X-Git-Url: http://git.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/parser/Parser.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/parser/Parser.java index 024bb56..08ba9c4 100644 --- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/parser/Parser.java +++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/parser/Parser.java @@ -1,3162 +1,5129 @@ -/********************************************************************** -Copyright (c) 2002 Klaus Hartlage - www.eclipseproject.de -All rights reserved. This program and the accompanying materials -are made available under the terms of the Common Public License v1.0 -which accompanies this distribution, and is available at -http://www.eclipse.org/legal/cpl-v10.html - -Contributors: - Klaus Hartlage - www.eclipseproject.de -**********************************************************************/ +/*********************************************************************************************************************************** + * Copyright (c) 2002 www.phpeclipse.de All rights reserved. This program and the accompanying material are made available under the + * terms of the Common Public License v1.0 which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/cpl-v10.html + * + * Contributors: www.phpeclipse.de + **********************************************************************************************************************************/ package net.sourceforge.phpdt.internal.compiler.parser; import java.util.ArrayList; +import java.util.HashMap; +import java.util.HashSet; import net.sourceforge.phpdt.core.compiler.CharOperation; import net.sourceforge.phpdt.core.compiler.ITerminalSymbols; import net.sourceforge.phpdt.core.compiler.InvalidInputException; +import net.sourceforge.phpdt.internal.compiler.ast.AND_AND_Expression; +import net.sourceforge.phpdt.internal.compiler.ast.ASTNode; +import net.sourceforge.phpdt.internal.compiler.ast.AbstractMethodDeclaration; +import net.sourceforge.phpdt.internal.compiler.ast.BinaryExpression; +import net.sourceforge.phpdt.internal.compiler.ast.Block; +import net.sourceforge.phpdt.internal.compiler.ast.BreakStatement; +import net.sourceforge.phpdt.internal.compiler.ast.CompilationUnitDeclaration; +import net.sourceforge.phpdt.internal.compiler.ast.ConditionalExpression; +import net.sourceforge.phpdt.internal.compiler.ast.ContinueStatement; +import net.sourceforge.phpdt.internal.compiler.ast.EqualExpression; +import net.sourceforge.phpdt.internal.compiler.ast.Expression; +import net.sourceforge.phpdt.internal.compiler.ast.FieldDeclaration; +import net.sourceforge.phpdt.internal.compiler.ast.FieldReference; +import net.sourceforge.phpdt.internal.compiler.ast.IfStatement; +import net.sourceforge.phpdt.internal.compiler.ast.ImportReference; +import net.sourceforge.phpdt.internal.compiler.ast.InstanceOfExpression; +import net.sourceforge.phpdt.internal.compiler.ast.MethodDeclaration; +import net.sourceforge.phpdt.internal.compiler.ast.OR_OR_Expression; +import net.sourceforge.phpdt.internal.compiler.ast.OperatorIds; +import net.sourceforge.phpdt.internal.compiler.ast.ReturnStatement; +import net.sourceforge.phpdt.internal.compiler.ast.SingleTypeReference; +import net.sourceforge.phpdt.internal.compiler.ast.Statement; +import net.sourceforge.phpdt.internal.compiler.ast.StringLiteral; +import net.sourceforge.phpdt.internal.compiler.ast.StringLiteralDQ; +import net.sourceforge.phpdt.internal.compiler.ast.StringLiteralSQ; +import net.sourceforge.phpdt.internal.compiler.ast.TypeDeclaration; +import net.sourceforge.phpdt.internal.compiler.ast.TypeReference; +import net.sourceforge.phpdt.internal.compiler.impl.CompilerOptions; import net.sourceforge.phpdt.internal.compiler.impl.ReferenceContext; +import net.sourceforge.phpdt.internal.compiler.lookup.CompilerModifiers; import net.sourceforge.phpdt.internal.compiler.lookup.TypeConstants; import net.sourceforge.phpdt.internal.compiler.problem.ProblemReporter; -import net.sourceforge.phpeclipse.PHPeclipsePlugin; -import net.sourceforge.phpeclipse.internal.compiler.ast.AbstractMethodDeclaration; -import net.sourceforge.phpeclipse.internal.compiler.ast.AstNode; -import net.sourceforge.phpeclipse.internal.compiler.ast.CompilationUnitDeclaration; -import net.sourceforge.phpeclipse.internal.compiler.ast.MethodDeclaration; -import net.sourceforge.phpeclipse.internal.compiler.ast.SingleTypeReference; -import net.sourceforge.phpeclipse.internal.compiler.ast.TypeDeclaration; -import net.sourceforge.phpeclipse.phpeditor.PHPString; +import net.sourceforge.phpdt.internal.compiler.problem.ProblemSeverities; +import net.sourceforge.phpdt.internal.compiler.util.Util; +import net.sourceforge.phpdt.internal.core.util.PHPFileUtil; +import net.sourceforge.phpeclipse.builder.IdentifierIndexManager; +//import net.sourceforge.phpeclipse.ui.overlaypages.ProjectPrefUtil; import org.eclipse.core.resources.IFile; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.jface.preference.IPreferenceStore; - -import test.PHPParserSuperclass; - -public class Parser extends PHPParserSuperclass implements ITerminalSymbols, ParserBasicInformation { - //internal data for the automat - protected final static int StackIncrement = 255; - protected int stateStackTop; - protected int[] stack = new int[StackIncrement]; - public int firstToken; // handle for multiple parsing goals - public int lastAct; //handle for multiple parsing goals - protected RecoveredElement currentElement; - - public static boolean VERBOSE_RECOVERY = false; - protected boolean diet = false; //tells the scanner to jump over some parts of the code/expressions like method bodies - - //scanner token - public Scanner scanner; - - private ArrayList phpList; - - private int currentPHPString; - private boolean phpEnd; - - // private static HashMap keywordMap = null; - private String str; - - // current character - // char ch; - // current token - int token; - - // row counter for syntax errors: - //int rowCount; - // column counter for syntax errors: - //int columnCount; - - //int chIndx; - // - // // current identifier - // String identifier; - - Long longNumber; - Double doubleNumber; - - private String stringValue; - - /** Contains the current expression. */ - // private StringBuffer expression; - - private boolean phpMode; - - // final static int TokenNameEOF = 0; - // final static int TokenNameERROR = 1; - // final static int TokenNameHTML = 2; - // - // final static int TokenNameREMAINDER = 30; - // final static int TokenNameNOT = 31; - // final static int TokenNameDOT = 32; - // final static int TokenNameXOR = 33; - // final static int TokenNameDIVIDE = 34; - // final static int TokenNameMULTIPLY = 35; - // final static int TokenNameMINUS = 36; - // final static int TokenNamePLUS = 37; - // final static int TokenNameEQUAL_EQUAL = 38; - // final static int TokenNameNOT_EQUAL = 39; - // final static int TokenNameGREATER = 40; - // final static int TokenNameGREATER_EQUAL = 41; - // final static int TokenNameLESS = 42; - // final static int TokenNameLESS_EQUAL = 43; - // final static int TokenNameAND_AND = 44; - // final static int TokenNameOR_OR = 45; - // // final static int TokenNameHASH = 46; - // final static int TokenNameCOLON = 47; - // final static int TokenNameDOT_EQUAL = 48; - // - // final static int TokenNameEQUAL = 49; - // final static int TokenNameMINUS_GREATER = 50; // -> - // final static int TokenNameFOREACH = 51; - // final static int TokenNameAND = 52; - // //final static int TokenNameDOLLARLISTOPEN = 53; - // final static int TokenNameTWIDDLE = 54; - // final static int TokenNameTWIDDLE_EQUAL = 55; - // final static int TokenNameREMAINDER_EQUAL = 56; - // final static int TokenNameXOR_EQUAL = 57; - // final static int TokenNameRIGHT_SHIFT_EQUAL = 58; - // final static int TokenNameLEFT_SHIFT_EQUAL = 59; - // final static int TokenNameAND_EQUAL = 60; - // final static int TokenNameOR_EQUAL = 61; - // final static int TokenNameQUESTION = 62; - // final static int TokenNameCOLON_COLON = 63; - // final static int TokenNameAT = 63; - // // final static int TokenNameHEREDOC = 64; - // - // final static int TokenNameDOLLAROPEN = 127; - // final static int TokenNameLPAREN = 128; - // final static int TokenNameRPAREN = 129; - // final static int TokenNameLBRACE = 130; - // final static int TokenNameRBRACE = 131; - // final static int TokenNameLBRACKET = 132; - // final static int TokenNameRBRACKET = 133; - // final static int TokenNameCOMMA = 134; - // - // final static int TokenNameStringLiteral = 136; - // final static int TokenNameIdentifier = 138; - // // final static int TokenNameDIGIT = 139; - // final static int TokenNameSEMICOLON = 140; - // // final static int TokenNameSLOT = 141; - // // final static int TokenNameSLOTSEQUENCE = 142; - // final static int TokenNameMINUS_MINUS = 144; - // final static int TokenNamePLUS_PLUS = 145; - // final static int TokenNamePLUS_EQUAL = 146; - // final static int TokenNameDIVIDE_EQUAL = 147; - // final static int TokenNameMINUS_EQUAL = 148; - // final static int TokenNameMULTIPLY_EQUAL = 149; - // final static int TokenNameVariable = 150; - // final static int TokenNameIntegerLiteral = 151; - // final static int TokenNameDoubleLiteral = 152; - // final static int TokenNameStringInterpolated = 153; - // final static int TokenNameStringConstant = 154; - // - // final static int TokenNameLEFT_SHIFT = 155; - // final static int TokenNameRIGHT_SHIFT = 156; - // final static int TokenNameEQUAL_EQUAL_EQUAL = 157; - // final static int TokenNameNOT_EQUAL_EQUAL = 158; - // final static int TokenNameOR = 159; - // final static int TokenNameAT = 153; // @ - - protected Parser() { - this.currentPHPString = 0; - // PHPParserSuperclass.fileToParse = fileToParse; - this.phpList = null; - this.str = ""; - this.token = TokenNameEOF; - // this.chIndx = 0; - // this.rowCount = 1; - // this.columnCount = 0; - this.phpEnd = false; - // getNextToken(); - - this.initializeScanner(); - } - - - public void setFileToParse(IFile fileToParse) { - this.currentPHPString = 0; - PHPParserSuperclass.fileToParse = fileToParse; - this.phpList = null; - this.str = ""; - this.token = TokenNameEOF; - this.phpEnd = false; - this.initializeScanner(); - } - /** - * ClassDeclaration Constructor. - * - *@param s - *@param sess Description of Parameter - *@see - */ - public Parser(IFile fileToParse) { - // if (keywordMap == null) { - // keywordMap = new HashMap(); - // for (int i = 0; i < PHP_KEYWORS.length; i++) { - // keywordMap.put(PHP_KEYWORS[i], new Integer(PHP_KEYWORD_TOKEN[i])); - // } - // } - this.currentPHPString = 0; - PHPParserSuperclass.fileToParse = fileToParse; - this.phpList = null; - this.str = ""; - this.token = TokenNameEOF; - // this.chIndx = 0; - // this.rowCount = 1; - // this.columnCount = 0; - this.phpEnd = false; - // getNextToken(); - - this.initializeScanner(); - } - - public void initializeScanner() { - this.scanner = new Scanner(false, false, false, false); - } - /** - * Create marker for the parse error - */ -// private void setMarker(String message, int charStart, int charEnd, int errorLevel) throws CoreException { -// setMarker(fileToParse, message, charStart, charEnd, errorLevel); -// } - - /** - * This method will throw the SyntaxError. - * It will add the good lines and columns to the Error - * @param error the error message - * @throws SyntaxError the error raised - */ - private void throwSyntaxError(String error) { - int problemStartPosition = scanner.getCurrentTokenStartPosition(); - int problemEndPosition = scanner.getCurrentTokenEndPosition(); - reportSyntaxError(error,problemStartPosition,problemEndPosition); - } - - /** - * This method will throw the SyntaxError. - * It will add the good lines and columns to the Error - * @param error the error message - * @throws SyntaxError the error raised - */ -// private void throwSyntaxError(String error, int startRow) { -// throw new SyntaxError(startRow, 0, " ", error); -// } - - private void reportSyntaxError(String error, int problemStartPosition, int problemEndPosition) { - problemReporter.phpParsingError(new String[] { error }, problemStartPosition, problemEndPosition, referenceContext, compilationUnit.compilationResult); - throw new SyntaxError(1, 0, " ", error); - } - /** - * Method Declaration. - * - *@see - */ - // private void getChar() { - // if (str.length() > chIndx) { - // ch = str.charAt(chIndx++); - // - // return; - // } - // - // chIndx = str.length() + 1; - // ch = ' '; - // // token = TokenNameEOF; - // phpEnd = true; - // } - - /** - * gets the next token from input - */ - private void getNextToken() throws CoreException { - try { - token = scanner.getNextToken(); - if (Scanner.DEBUG) { - int currentEndPosition = scanner.getCurrentTokenEndPosition(); - int currentStartPosition = scanner.getCurrentTokenStartPosition(); - - System.out.print(currentStartPosition + "," + currentEndPosition + ": "); - System.out.println(scanner.toStringAction(token)); - } - } catch (InvalidInputException e) { - token = TokenNameERROR; - } - return; - - } - - /** - * Get a number. - * if it's a double the number will be stored in doubleNumber and the token will have the - * value {@link Parser#TokenNameDOUBLE_NUMBER}
- * if it's a double the number will be stored in longNumber and the token will have the - * value {@link Parser#TokenNameINT_NUMBER} - */ - // private void getNumber() { - // StringBuffer inum = new StringBuffer(); - // char dFlag = ' '; - // int numFormat = 10; - // - // // save first digit - // char firstCh = ch; - // inum.append(ch); - // - // getChar(); - // // determine number conversions: - // if (firstCh == '0') { - // switch (ch) { - // case 'b' : - // numFormat = 2; - // getChar(); - // break; - // case 'B' : - // numFormat = 2; - // getChar(); - // break; - // case 'o' : - // numFormat = 8; - // getChar(); - // break; - // case 'O' : - // numFormat = 8; - // getChar(); - // break; - // case 'x' : - // numFormat = 16; - // getChar(); - // break; - // case 'X' : - // numFormat = 16; - // getChar(); - // break; - // } - // } - // - // if (numFormat == 16) { - // while ((ch >= '0' && ch <= '9') - // || (ch >= 'a' && ch <= 'f') - // || (ch >= 'A' && ch <= 'F')) { - // inum.append(ch); - // getChar(); - // } - // } else { - // while ((ch >= '0' && ch <= '9') - // || (ch == '.') - // || (ch == 'E') - // || (ch == 'e')) { - // if ((ch == '.') || (ch == 'E') || (ch == 'e')) { - // if (ch == '.' && dFlag != ' ') { - // break; - // } - // if ((dFlag == 'E') || (dFlag == 'e')) { - // break; - // } - // dFlag = ch; - // inum.append(ch); - // getChar(); - // if ((ch == '-') || (ch == '+')) { - // inum.append(ch); - // getChar(); - // } - // } else { - // inum.append(ch); - // getChar(); - // } - // } - // } - // chIndx--; - // - // try { - // if (dFlag != ' ') { - // doubleNumber = new Double(inum.toString()); - // token = TokenNameDoubleLiteral; - // return; - // } else { - // longNumber = Long.valueOf(inum.toString(), numFormat); - // token = TokenNameIntegerLiteral; - // return; - // } - // - // } catch (Throwable e) { - // throwSyntaxError("Number format error: " + inum.toString()); - // } - // } - // - // /** - // * Get a String. - // * @param openChar the opening char ('\'', '"', '`') - // * @param typeString the type of string {@link #TokenNameSTRING_CONSTANT},{@link #TokenNameINTERPOLATED_STRING} - // * @param errorMsg the error message in case of parse error in the string - // */ - // private void getString( - // final char openChar, - // final int typeString, - // final String errorMsg) { - // StringBuffer sBuffer = new StringBuffer(); - // boolean openString = true; - // int startRow = rowCount; - // while (str.length() > chIndx) { - // ch = str.charAt(chIndx++); - // if (ch == '\\') { - // sBuffer.append(ch); - // if (str.length() > chIndx) { - // ch = str.charAt(chIndx++); - // sBuffer.append(ch); - // } - // } else if (ch == openChar) { - // openString = false; - // break; - // } else if (ch == '\n') { - // rowCount++; - // columnCount = chIndx; - // } else { - // sBuffer.append(ch); - // } - // } - // if (openString) { - // if (typeString == TokenNameStringConstant) { - // throwSyntaxError(errorMsg, startRow); - // } else { - // throwSyntaxError(errorMsg); - // } - // } - // token = typeString; - // stringValue = sBuffer.toString(); - // } - - // public void htmlParserTester(String input) { - // int lineNumber = 1; - // int startLineNumber = 1; - // int startIndex = 0; - // char ch; - // char ch2; - // boolean phpMode = false; - // boolean phpFound = false; - // - // phpList = new ArrayList(); - // currentPHPString = 0; - // - // try { - // int i = 0; - // while (i < input.length()) { - // ch = input.charAt(i++); - // if (ch == '\n') { - // lineNumber++; - // } - // if ((!phpMode) && ch == '<') { - // ch2 = input.charAt(i++); - // if (ch2 == '?') { - // ch2 = input.charAt(i++); - // if (Character.isWhitespace(ch2)) { - // // php start - // phpMode = true; - // phpFound = true; - // startIndex = i; - // startLineNumber = lineNumber; - // continue; - // } else if (ch2 == 'p') { - // ch2 = input.charAt(i++); - // if (ch2 == 'h') { - // ch2 = input.charAt(i++); - // if (ch2 == 'p') { - // phpMode = true; - // phpFound = true; - // startIndex = i; - // startLineNumber = lineNumber; - // continue; - // } - // i--; - // } - // i--; - // } else if (ch2 == 'P') { - // ch2 = input.charAt(i++); - // if (ch2 == 'H') { - // ch2 = input.charAt(i++); - // if (ch2 == 'P') { - // phpMode = true; - // phpFound = true; - // startIndex = i; - // startLineNumber = lineNumber; - // continue; - // } - // i--; - // } - // i--; - // } - // i--; - // } - // i--; - // } - // - // if (phpMode) { - // if (ch == '/' && i < input.length()) { - // ch2 = input.charAt(i++); - // if (ch2 == '/') { - // while (i < input.length()) { - // ch = input.charAt(i++); - // if (ch == '?' && i < input.length()) { - // ch2 = input.charAt(i++); - // if (ch2 == '>') { - // // php end - // phpMode = false; - // phpList.add( - // new PHPString( - // input.substring( - // startIndex, - // i - 2), - // startLineNumber)); - // continue; - // } - // i--; - // } else if (ch == '\n') { - // lineNumber++; - // break; - // } - // } - // continue; - // } else if (ch2 == '*') { - // // multi-line comment - // while (i < input.length()) { - // ch = input.charAt(i++); - // if (ch == '\n') { - // lineNumber++; - // } else if (ch == '*' && i < input.length()) { - // ch2 = input.charAt(i++); - // if (ch2 == '/') { - // break; - // } - // i--; - // } - // } - // continue; - // } else { - // i--; - // } - // } else if (ch == '#') { - // while (i < input.length()) { - // ch = input.charAt(i++); - // if (ch == '?' && i < input.length()) { - // ch2 = input.charAt(i++); - // if (ch2 == '>') { - // // php end - // phpMode = false; - // phpList.add( - // new PHPString( - // input.substring(startIndex, i - 2), - // startLineNumber)); - // continue; - // } - // i--; - // } else if (ch == '\n') { - // lineNumber++; - // break; - // } - // } - // continue; - // } else if (ch == '"') { - // ch = ' '; - // while (i < input.length()) { - // ch = input.charAt(i++); - // if (ch == '\n') { - // lineNumber++; - // } else if ( - // ch == '\\' && i < input.length()) { // escape - // i++; - // } else if (ch == '"') { - // break; - // } - // } - // continue; - // } else if (ch == '\'') { - // ch = ' '; - // while (i < input.length()) { - // ch = input.charAt(i++); - // if (ch == '\n') { - // lineNumber++; - // } else if ( - // ch == '\\' && i < input.length()) { // escape - // i++; - // } else if (ch == '\'') { - // break; - // } - // } - // continue; - // } - // - // if (ch == '?' && i < input.length()) { - // ch2 = input.charAt(i++); - // if (ch2 == '>') { - // // php end - // phpMode = false; - // phpList.add( - // new PHPString( - // input.substring(startIndex, i - 2), - // startLineNumber)); - // continue; - // } - // i--; - // } - // } - // } - // - // if (!phpFound) { - // setMarker( - // "No PHP source code found.", - // lineNumber, - // PHPParser.INFO); - // } else { - // if (phpMode) { - // setMarker( - // "Open PHP tag at end of file.", - // lineNumber, - // PHPParser.INFO); - // phpList.add( - // new PHPString( - // input.substring(startIndex, i - 2), - // startLineNumber)); - // } - // // for (int j=0;j"); - // // } - // phpParserTester(null, 1); - // // PHPString temp; - // // for(int j=0;j TokenNameKEYWORD) { - current.add(new PHPVarDeclaration(current, variableName, - // chIndx - ident.length, - scanner.getCurrentTokenStartPosition(), new String(ident))); - } else { - switch (token) { - case TokenNameVariable : - case TokenNamethis : - current.add(new PHPVarDeclaration(current, variableName, - // chIndx - ident.length, - scanner.getCurrentTokenStartPosition(), new String(ident))); - break; - case TokenNameIdentifier : - current.add(new PHPVarDeclaration(current, variableName, - // chIndx - ident.length, - scanner.getCurrentTokenStartPosition(), new String(ident))); - break; - case TokenNameDoubleLiteral : - current.add(new PHPVarDeclaration(current, variableName + doubleNumber, - // chIndx - ident.length, - scanner.getCurrentTokenStartPosition(), new String(ident))); - break; - case TokenNameIntegerLiteral : - current.add(new PHPVarDeclaration(current, variableName, - // chIndx - ident.length, - scanner.getCurrentTokenStartPosition(), new String(ident))); - break; - case TokenNameStringInterpolated : - case TokenNameStringLiteral : - current.add(new PHPVarDeclaration(current, variableName, - // chIndx - ident.length, - scanner.getCurrentTokenStartPosition(), new String(ident))); - break; - case TokenNameStringConstant : - current.add(new PHPVarDeclaration(current, variableName, - // chIndx - ident.length, - scanner.getCurrentTokenStartPosition(), new String(ident))); - break; - default : - current.add(new PHPVarDeclaration(current, variableName, - // chIndx - ident.length - scanner.getCurrentTokenStartPosition())); - break; - } - } - - } else { - ident = scanner.getCurrentIdentifierSource(); - - current.add(new PHPVarDeclaration(current, variableName, - // chIndx - ident.length - scanner.getCurrentTokenStartPosition())); - } - } - } else if (token == TokenNamefunction) { - getNextToken(); - if (token == TokenNameAND) { - getNextToken(); - } - if (token == TokenNameIdentifier && store.getBoolean(PHPeclipsePlugin.PHP_OUTLINE_FUNC)) { - ident = scanner.getCurrentIdentifierSource(); - outlineInfo.addVariable(new String(ident)); - temp = new PHPFunctionDeclaration(current, new String(ident), - // chIndx - ident.length - scanner.getCurrentTokenStartPosition()); - current.add(temp); - getNextToken(); - parseDeclarations(outlineInfo, temp, true); - } - } else if (token == TokenNameclass) { - getNextToken(); - if (token == TokenNameIdentifier && store.getBoolean(PHPeclipsePlugin.PHP_OUTLINE_CLASS)) { - ident = scanner.getCurrentIdentifierSource(); - outlineInfo.addVariable(new String(ident)); - temp = new PHPClassDeclaration(current, new String(ident), - // chIndx - ident.len - scanner.getCurrentTokenStartPosition()); - current.add(temp); - // stack.push(temp); - getNextToken(); - - //skip tokens for classname, extends and others until we have the opening '{' - while (token != TokenNameLBRACE && token != TokenNameEOF && token != TokenNameERROR) { - getNextToken(); - } - parseDeclarations(outlineInfo, temp, true); - // stack.pop(); - } - } else if ((token == TokenNameLBRACE) || (token == TokenNameDOLLAR_LBRACE)) { - getNextToken(); - counter++; - } else if (token == TokenNameRBRACE) { - getNextToken(); - --counter; - if (counter == 0 && goBack) { - return; - } - } else if (token == TokenNamerequire || token == TokenNamerequire_once || token == TokenNameinclude || token == TokenNameinclude_once) { - ident = scanner.getCurrentTokenSource(); - - getNextToken(); - int startPosition = scanner.getCurrentTokenStartPosition(); - expression(); - char[] expr = scanner.getCurrentTokenSource(startPosition); - outlineInfo.addVariable(new String(ident)); - current.add(new PHPReqIncDeclaration(current, new String(ident), - // chIndx - ident.length, - startPosition, new String(expr))); - getNextToken(); - } else { - getNextToken(); - } - } - } catch (CoreException e) { - } catch (SyntaxError sytaxErr) { -// try { -// // setMarker(sytaxErr.getMessage(), sytaxErr.getLine(), ERROR); -// setMarker(sytaxErr.getMessage(), scanner.getCurrentTokenStartPosition(), scanner.getCurrentTokenEndPosition(), ERROR); -// } catch (CoreException e) { -// } - } - } - - private void statementList() throws CoreException { - do { - statement(TokenNameEOF); - if ((token == TokenNameRBRACE) - || (token == TokenNamecase) - || (token == TokenNamedefault) - || (token == TokenNameelse) - || (token == TokenNameelseif) - || (token == TokenNameendif) - || (token == TokenNameendfor) - || (token == TokenNameendforeach) - || (token == TokenNameendwhile) - || (token == TokenNameendswitch) - || (token == TokenNameEOF) - || (token == TokenNameERROR)) { - return; - } - } while (true); - } - - private void functionBody(MethodDeclaration methodDecl) throws CoreException { - // '{' [statement-list] '}' - if (token == TokenNameLBRACE) { - getNextToken(); - } else { - throwSyntaxError("'{' expected in compound-statement."); - } - if (token != TokenNameRBRACE) { - statementList(); - } - if (token == TokenNameRBRACE) { - methodDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition(); - getNextToken(); - } else { - throwSyntaxError("'}' expected in compound-statement."); - } - } - - private void statement(int previousToken) throws CoreException { - // if (token > TokenNameKEYWORD && token != TokenNamelist && token != TokenNamenew) { - // char[] ident = scanner.getCurrentIdentifierSource(); - // String keyword = new String(ident); - if (token == TokenNameAT) { - getNextToken(); - if (token != TokenNamerequire - && token != TokenNamerequire_once - && token != TokenNameinclude - && token != TokenNameinclude_once - && token != TokenNameIdentifier - && token != TokenNameVariable - && token != TokenNamethis - && token != TokenNameStringInterpolated) { - throwSyntaxError("identifier expected after '@'."); - } - } - if (token == TokenNameinclude || token == TokenNameinclude_once) { - getNextToken(); - if (token == TokenNameLPAREN) { - expression(); - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - if (previousToken != TokenNameAT && token != TokenNameStopPHP) { - throwSyntaxError("';' expected after 'include' or 'include_once'."); - } - // getNextToken(); - } - } else { - concatenationExpression(); - } - - return; - } else if (token == TokenNamerequire || token == TokenNamerequire_once) { - getNextToken(); - //constant(); - if (token == TokenNameLPAREN) { - expression(); - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - if (previousToken != TokenNameAT && token != TokenNameStopPHP) { - throwSyntaxError("';' expected after 'require' or 'require_once'."); - } - // getNextToken(); - } - } else { - concatenationExpression(); - } - return; - } else if (token == TokenNameif) { - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - } else { - throwSyntaxError("'(' expected after 'if' keyword."); - } - expression(); - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - throwSyntaxError("')' expected after 'if' condition."); - } - ifStatement(); - return; - - } else if (token == TokenNameswitch) { - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - } else { - throwSyntaxError("'(' expected after 'switch' keyword."); - } - expression(); - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - throwSyntaxError("')' expected after 'switch' condition."); - } - switchStatement(); - return; - } else if (token == TokenNamefor) { - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - } else { - throwSyntaxError("'(' expected after 'for' keyword."); - } - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - expressionList(); - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - throwSyntaxError("';' expected after 'for'."); - } - } - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - expressionList(); - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - throwSyntaxError("';' expected after 'for'."); - } - } - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - expressionList(); - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - throwSyntaxError("')' expected after 'for'."); - } - } - forStatement(); - return; - } else if (token == TokenNamewhile) { - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - } else { - throwSyntaxError("'(' expected after 'while' keyword."); - } - expression(); - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - throwSyntaxError("')' expected after 'while' condition."); - } - whileStatement(); - return; - } else if (token == TokenNamedo) { - getNextToken(); - if (token == TokenNameLBRACE) { - getNextToken(); - } else { - throwSyntaxError("'{' expected after 'do' keyword."); - } - if (token != TokenNameRBRACE) { - statementList(); - } - if (token == TokenNameRBRACE) { - getNextToken(); - } else { - throwSyntaxError("'}' expected after 'do' keyword."); - } - if (token == TokenNamewhile) { - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - } else { - throwSyntaxError("'(' expected after 'while' keyword."); - } - expression(); - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - throwSyntaxError("')' expected after 'while' condition."); - } - } else { - throwSyntaxError("'while' expected after 'do' keyword."); - } - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - if (token != TokenNameStopPHP) { - throwSyntaxError("';' expected after do-while statement."); - } - getNextToken(); - } - return; - } else if (token == TokenNameforeach) { - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - } else { - throwSyntaxError("'(' expected after 'foreach' keyword."); - } - expression(); - if (token == TokenNameas) { - getNextToken(); - } else { - throwSyntaxError("'as' expected after 'foreach' exxpression."); - } - variable(); - if (token == TokenNameEQUAL_GREATER) { - getNextToken(); - variable(); - } - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - throwSyntaxError("')' expected after 'foreach' expression."); - } - foreachStatement(); - return; - - } else if (token == TokenNamecontinue || token == TokenNamebreak || token == TokenNamereturn) { - getNextToken(); - if (token != TokenNameSEMICOLON) { - expression(); - } - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - if (token != TokenNameStopPHP) { - throwSyntaxError("';' expected after 'continue', 'break' or 'return'."); - } - getNextToken(); - } - return; - - } else if (token == TokenNameecho) { - getNextToken(); - expressionList(); - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - if (token != TokenNameStopPHP) { - throwSyntaxError("';' expected after 'echo' statement."); - } - getNextToken(); - } - return; - // } else if (token == TokenNameprint) { - // getNextToken(); - // expression(); - // if (token == TokenNameSEMICOLON) { - // getNextToken(); - // } else { - // if (token != TokenNameStopPHP) { - // throwSyntaxError("';' expected after 'print' statement."); - // } - // getNextToken(); - // } - // return; - - } else if (token == TokenNameglobal || token == TokenNamestatic) { - getNextToken(); - variableList(); - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - if (token != TokenNameStopPHP) { - throwSyntaxError("';' expected after 'global' or 'static' statement."); - } - getNextToken(); - } - return; - - // } else if (token == TokenNameunset) { - // getNextToken(); - // if (token == TokenNameARGOPEN) { - // getNextToken(); - // } else { - // throwSyntaxError("'(' expected after 'unset' keyword."); - // } - // variableList(); - // if (token == TokenNameARGCLOSE) { - // getNextToken(); - // } else { - // throwSyntaxError("')' expected after 'unset' statement."); - // } - // if (token == TokenNameSEMICOLON) { - // getNextToken(); - // } else { - // if (token != TokenNameStopPHP) { - // throwSyntaxError("';' expected after 'unset' statement."); - // } - // getNextToken(); - // } - // return; - - // } else if (token == TokenNameexit || token == TokenNamedie) { - // getNextToken(); - // if (token != TokenNameSEMICOLON) { - // exitStatus(); - // } - // if (token == TokenNameSEMICOLON) { - // getNextToken(); - // } else { - // if (token != TokenNameStopPHP) { - // throwSyntaxError("';' expected after 'exit' or 'die' statement."); - // } - // getNextToken(); - // } - // return; - - } else if (token == TokenNamedefine) { - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - } else { - throwSyntaxError("'(' expected after 'define' keyword."); - } - expression(); - if (token == TokenNameCOMMA) { - getNextToken(); - } else { - throwSyntaxError("',' expected after first 'define' constant."); - } - expression(); - if (token == TokenNameCOMMA) { - getNextToken(); - expression(); - } - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - throwSyntaxError("')' expected after 'define' statement."); - } - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - if (token != TokenNameStopPHP) { - throwSyntaxError("';' expected after 'define' statement."); - } - getNextToken(); - } - return; - } else if (token == TokenNamefunction) { - MethodDeclaration methodDecl = new MethodDeclaration(this.compilationUnit.compilationResult); - methodDecl.declarationSourceStart = scanner.getCurrentTokenStartPosition(); - getNextToken(); - functionDefinition(methodDecl); - return; - } else if (token == TokenNameclass) { - TypeDeclaration typeDecl = new TypeDeclaration(this.compilationUnit.compilationResult); - typeDecl.declarationSourceStart = scanner.getCurrentTokenStartPosition(); - // default super class - typeDecl.superclass = new SingleTypeReference(TypeConstants.OBJECT, 0); - compilationUnit.types.add(typeDecl); - try { - pushOnAstStack(typeDecl); - getNextToken(); - classDeclarator(typeDecl); - classBody(typeDecl); - } finally { - astPtr--; - astLengthPtr--; - } - return; - // } else { - // throwSyntaxError("Unexpected keyword '" + keyword + "'"); - } else if (token == TokenNameLBRACE) { - getNextToken(); - if (token != TokenNameRBRACE) { - statementList(); - } - if (token == TokenNameRBRACE) { - getNextToken(); - return; - } else { - throwSyntaxError("'}' expected."); - } - } else { - if (token != TokenNameSEMICOLON) { - expression(); - } - if (token == TokenNameSEMICOLON) { - getNextToken(); - return; - } else { - if (token != TokenNameStopPHP && token != TokenNameEOF) { - throwSyntaxError("';' expected after expression (Found token: " + scanner.toStringAction(token) + ")"); - } - getNextToken(); - } - } - } - - private void classDeclarator(TypeDeclaration typeDecl) throws CoreException { - //identifier - //identifier 'extends' identifier - - - if (token == TokenNameIdentifier || token > TokenNameKEYWORD) { - typeDecl.sourceStart = scanner.getCurrentTokenStartPosition(); - typeDecl.sourceEnd = scanner.getCurrentTokenEndPosition(); - typeDecl.name = scanner.getCurrentIdentifierSource(); - if (token > TokenNameKEYWORD) { - reportSyntaxError( - "Don't use keyword for class declaration [" + scanner.toStringAction(token) + "].", - typeDecl.sourceStart, - typeDecl.sourceEnd); - } - getNextToken(); - if (token == TokenNameextends) { - do { - getNextToken(); - if (token == TokenNameIdentifier) { - getNextToken(); - } else { - reportSyntaxError("Class name expected after keyword 'extends'.", scanner.getCurrentTokenStartPosition(), scanner.getCurrentTokenEndPosition()); - } - } while (token == TokenNameCOMMA); - } - } else { - typeDecl.sourceStart = scanner.getCurrentTokenStartPosition(); - typeDecl.sourceEnd = scanner.getCurrentTokenEndPosition(); - - typeDecl.name = new char[] { ' ' }; - reportSyntaxError("Class name expected after keyword 'class'.", typeDecl.sourceStart, typeDecl.sourceEnd); - // throwSyntaxError("ClassDeclaration name expected after keyword 'class'."); - } - } - - private void classBody(TypeDeclaration typeDecl) throws CoreException { - //'{' [class-element-list] '}' - if (token == TokenNameLBRACE) { - getNextToken(); - if (token != TokenNameRBRACE) { - classElementList(); - } - if (token == TokenNameRBRACE) { - typeDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition(); - getNextToken(); - } else { - throwSyntaxError("'}' expected at end of class body."); - } - } else { - throwSyntaxError("'{' expected at start of class body."); - } - } - - private void classElementList() throws CoreException { - do { - classElement(); - } while (token == TokenNamefunction || token == TokenNamevar); - } - - private void classElement() throws CoreException { - //class-property - //function-definition - if (token == TokenNamefunction) { - MethodDeclaration methodDecl = new MethodDeclaration(this.compilationUnit.compilationResult); - methodDecl.declarationSourceStart = scanner.getCurrentTokenStartPosition(); - getNextToken(); - functionDefinition(methodDecl); - } else if (token == TokenNamevar) { - getNextToken(); - classProperty(); - } else { - throwSyntaxError("'function' or 'var' expected."); - } - } - - private void classProperty() throws CoreException { - //'var' variable ';' - //'var' variable '=' constant ';' - do { - if (token == TokenNameVariable) { - getNextToken(); - if (token == TokenNameEQUAL) { - getNextToken(); - constant(); - } - } else { - if (token == TokenNamethis) { - throwSyntaxError("Reserved word '$this' not allowed after keyword 'var'."); - } - throwSyntaxError("Variable expected after keyword 'var'."); - } - if (token != TokenNameCOMMA) { - break; - } - getNextToken(); - } while (true); - if (token == TokenNameSEMICOLON) { - getNextToken(); - } else { - throwSyntaxError("';' expected after variable declaration."); - } - } - - private void functionDefinition(MethodDeclaration methodDecl) throws CoreException { - if (astPtr == 0) { - compilationUnit.types.add(methodDecl); - } else { - AstNode node = astStack[astPtr]; - if (node instanceof TypeDeclaration) { - TypeDeclaration typeDecl = ((TypeDeclaration) node); - if (typeDecl.methods == null) { - typeDecl.methods = new AbstractMethodDeclaration[] { methodDecl }; - } else { - AbstractMethodDeclaration[] newMethods; - System.arraycopy(typeDecl.methods, 0, newMethods = new AbstractMethodDeclaration[typeDecl.methods.length + 1], 1, typeDecl.methods.length); - newMethods[0] = methodDecl; - typeDecl.methods = newMethods; - } - } - } - functionDeclarator(methodDecl); - functionBody(methodDecl); - } - - private void functionDeclarator(MethodDeclaration methodDecl) throws CoreException { - //identifier '(' [parameter-list] ')' - if (token == TokenNameAND) { - getNextToken(); - } - if (token == TokenNameIdentifier) { - methodDecl.sourceStart = scanner.getCurrentTokenStartPosition(); - methodDecl.sourceEnd = scanner.getCurrentTokenEndPosition(); - methodDecl.selector = scanner.getCurrentIdentifierSource(); - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - } else { - throwSyntaxError("'(' expected in function declaration."); - } - if (token != TokenNameRPAREN) { - parameterList(); - } - if (token != TokenNameRPAREN) { - throwSyntaxError("')' expected in function declaration."); - } else { - methodDecl.bodyStart = scanner.getCurrentTokenEndPosition() + 1; - getNextToken(); - } - } else { - if (token > TokenNameKEYWORD) { - throwSyntaxError("Don't use keyword for function declaration [" + token + "]."); - } - throwSyntaxError("Function name expected after keyword 'function'."); - } - } - // - private void parameterList() throws CoreException { - //parameter-declaration - //parameter-list ',' parameter-declaration - do { - parameterDeclaration(); - if (token != TokenNameCOMMA) { - break; - } - getNextToken(); - } while (true); - } - - private void parameterDeclaration() throws CoreException { - //variable - //variable-reference - if (token == TokenNameAND) { - getNextToken(); - if (isVariable()) { - getNextToken(); - } else { - throwSyntaxError("Variable expected after reference operator '&'."); - } - } - //variable '=' constant - if (token == TokenNameVariable) { - getNextToken(); - if (token == TokenNameEQUAL) { - getNextToken(); - constant(); - } - return; - } - if (token == TokenNamethis) { - throwSyntaxError("Reserved word '$this' not allowed in parameter declaration."); - } - } - - private void labeledStatementList() throws CoreException { - if (token != TokenNamecase && token != TokenNamedefault) { - throwSyntaxError("'case' or 'default' expected."); - } - do { - if (token == TokenNamecase) { - getNextToken(); - expression(); //constant(); - if (token == TokenNameCOLON || token == TokenNameSEMICOLON) { - getNextToken(); - if (token == TokenNamecase || token == TokenNamedefault) { // empty case statement ? - continue; - } - statementList(); - } -// else if (token == TokenNameSEMICOLON) { -// setMarker( -// "':' expected after 'case' keyword (Found token: " + scanner.toStringAction(token) + ")", -// scanner.getCurrentTokenStartPosition(), -// scanner.getCurrentTokenEndPosition(), -// INFO); -// getNextToken(); -// if (token == TokenNamecase) { // empty case statement ? -// continue; -// } -// statementList(); -// } - else { - throwSyntaxError("':' character after 'case' constant expected (Found token: " + scanner.toStringAction(token) + ")"); - } - } else { // TokenNamedefault - getNextToken(); - if (token == TokenNameCOLON) { - getNextToken(); - statementList(); - } else { - throwSyntaxError("':' character after 'default' expected."); - } - } - } while (token == TokenNamecase || token == TokenNamedefault); - } - - // public void labeledStatement() { - // if (token == TokenNamecase) { - // getNextToken(); - // constant(); - // if (token == TokenNameDDOT) { - // getNextToken(); - // statement(); - // } else { - // throwSyntaxError("':' character after 'case' constant expected."); - // } - // return; - // } else if (token == TokenNamedefault) { - // getNextToken(); - // if (token == TokenNameDDOT) { - // getNextToken(); - // statement(); - // } else { - // throwSyntaxError("':' character after 'default' expected."); - // } - // return; - // } - // } - - // public void expressionStatement() { - // } - - // private void inclusionStatement() { - // } - - // public void compoundStatement() { - // } - - // public void selectionStatement() { - // } - // - // public void iterationStatement() { - // } - // - // public void jumpStatement() { - // } - // - // public void outputStatement() { - // } - // - // public void scopeStatement() { - // } - // - // public void flowStatement() { - // } - // - // public void definitionStatement() { - // } - - private void ifStatement() throws CoreException { - // ':' statement-list [elseif-list] [else-colon-statement] 'endif' ';' - if (token == TokenNameCOLON) { - getNextToken(); - if (token != TokenNameendif) { - statementList(); - switch (token) { - case TokenNameelse : - getNextToken(); - if (token == TokenNameCOLON) { - getNextToken(); - if (token != TokenNameendif) { - statementList(); - } - } else { - if (token == TokenNameif) { //'else if' - getNextToken(); - elseifStatementList(); - } else { - throwSyntaxError("':' expected after 'else'."); - } - } - break; - case TokenNameelseif : - getNextToken(); - elseifStatementList(); - break; - } - } - - if (token != TokenNameendif) { - throwSyntaxError("'endif' expected."); - } - getNextToken(); - if (token != TokenNameSEMICOLON) { - throwSyntaxError("';' expected after if-statement."); - } - getNextToken(); - } else { - // statement [else-statement] - statement(TokenNameEOF); - if (token == TokenNameelseif) { - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - } else { - throwSyntaxError("'(' expected after 'elseif' keyword."); - } - expression(); - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - throwSyntaxError("')' expected after 'elseif' condition."); - } - ifStatement(); - } else if (token == TokenNameelse) { - getNextToken(); - statement(TokenNameEOF); - } - } - } - - private void elseifStatementList() throws CoreException { - do { - elseifStatement(); - switch (token) { - case TokenNameelse : - getNextToken(); - if (token == TokenNameCOLON) { - getNextToken(); - if (token != TokenNameendif) { - statementList(); - } - return; - } else { - if (token == TokenNameif) { //'else if' - getNextToken(); - } else { - throwSyntaxError("':' expected after 'else'."); - } - } - break; - case TokenNameelseif : - getNextToken(); - break; - default : - return; - } - } while (true); - } - - private void elseifStatement() throws CoreException { - if (token == TokenNameLPAREN) { - getNextToken(); - expression(); - if (token != TokenNameRPAREN) { - throwSyntaxError("')' expected in else-if-statement."); - } - getNextToken(); - if (token != TokenNameCOLON) { - throwSyntaxError("':' expected in else-if-statement."); - } - getNextToken(); - if (token != TokenNameendif) { - statementList(); - } - } - } - - private void switchStatement() throws CoreException { - if (token == TokenNameCOLON) { - // ':' [labeled-statement-list] 'endswitch' ';' - getNextToken(); - labeledStatementList(); - if (token != TokenNameendswitch) { - throwSyntaxError("'endswitch' expected."); - } - getNextToken(); - if (token != TokenNameSEMICOLON) { - throwSyntaxError("';' expected after switch-statement."); - } - getNextToken(); - } else { - // '{' [labeled-statement-list] '}' - if (token != TokenNameLBRACE) { - throwSyntaxError("'{' expected in switch statement."); - } - getNextToken(); - if (token != TokenNameRBRACE) { - labeledStatementList(); - } - if (token != TokenNameRBRACE) { - throwSyntaxError("'}' expected in switch statement."); - } - getNextToken(); - - } - } - - private void forStatement() throws CoreException { - if (token == TokenNameCOLON) { - getNextToken(); - statementList(); - if (token != TokenNameendfor) { - throwSyntaxError("'endfor' expected."); - } - getNextToken(); - if (token != TokenNameSEMICOLON) { - throwSyntaxError("';' expected after for-statement."); - } - getNextToken(); - } else { - statement(TokenNameEOF); - } - } - - private void whileStatement() throws CoreException { - // ':' statement-list 'endwhile' ';' - if (token == TokenNameCOLON) { - getNextToken(); - statementList(); - if (token != TokenNameendwhile) { - throwSyntaxError("'endwhile' expected."); - } - getNextToken(); - if (token != TokenNameSEMICOLON) { - throwSyntaxError("';' expected after while-statement."); - } - getNextToken(); - } else { - statement(TokenNameEOF); - } - } - - private void foreachStatement() throws CoreException { - if (token == TokenNameCOLON) { - getNextToken(); - statementList(); - if (token != TokenNameendforeach) { - throwSyntaxError("'endforeach' expected."); - } - getNextToken(); - if (token != TokenNameSEMICOLON) { - throwSyntaxError("';' expected after foreach-statement."); - } - getNextToken(); - } else { - statement(TokenNameEOF); - } - } - - private void exitStatus() throws CoreException { - if (token == TokenNameLPAREN) { - getNextToken(); - } else { - throwSyntaxError("'(' expected in 'exit-status'."); - } - if (token != TokenNameRPAREN) { - expression(); - } - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - throwSyntaxError("')' expected after 'exit-status'."); - } - } - - private void expressionList() throws CoreException { - do { - expression(); - if (token == TokenNameCOMMA) { - getNextToken(); - } else { - break; - } - } while (true); - } - - private void expression() throws CoreException { - //todo: find a better way to get the expression - // expression = new StringBuffer(); - // for (int i = chIndx; i < str.length(); i++) { - // if (str.charAt(i) == ';') { - // break; - // } - // expression.append(str.charAt(i)); - // } - - // if (token == TokenNameSTRING_CONSTANT || token == TokenNameINTERPOLATED_STRING) { - // getNextToken(); - // } else { - logicalinclusiveorExpression(); - // while (token != TokenNameSEMICOLON) { - // getNextToken(); - // // } - // } - } - - private void postfixExpression() throws CoreException { - // String ident; - char[] ident; - boolean castFlag = false; - boolean arrayFlag = false; - switch (token) { - case TokenNamenew : - getNextToken(); - expression(); - break; - case TokenNamenull : - getNextToken(); - break; - case TokenNamefalse : - getNextToken(); - break; - case TokenNametrue : - getNextToken(); - break; - case TokenNameStringConstant : - getNextToken(); - break; - case TokenNameHEREDOC : - case TokenNameStringInterpolated : - case TokenNameStringLiteral : - getNextToken(); - break; - case TokenNameLPAREN : - getNextToken(); - - if (token == TokenNameIdentifier) { - // check if identifier is a type: - // ident = identifier; - ident = scanner.getCurrentIdentifierSource(); - String str = new String(ident).toLowerCase(); - for (int i = 0; i < PHP_TYPES.length; i++) { - if (PHP_TYPES[i].equals(str)) { - castFlag = true; - if (PHP_TYPES[i].equals("array")) { - arrayFlag = true; - } - break; - } - } - } - - if (castFlag) { - getNextToken(); - if (arrayFlag && token == TokenNameLPAREN) { - getNextToken(); - if (token == TokenNameRPAREN) { - getNextToken(); - } else { - expression(); - if (token != TokenNameRPAREN) { - throwSyntaxError(") expected after 'array('."); - } - } - } - if (token != TokenNameRPAREN) { - throwSyntaxError(") expected after cast-type '" + str + "'."); - } - getNextToken(); - expression(); - break; - } else { - expression(); - } - if (token != TokenNameRPAREN) { - throwSyntaxError(") expected in postfix-expression."); - } - getNextToken(); - break; - case TokenNameDoubleLiteral : - getNextToken(); - break; - case TokenNameIntegerLiteral : - getNextToken(); - break; - case TokenNameDOLLAR_LBRACE : - getNextToken(); - expression(); - if (token != TokenNameRBRACE) { - throwSyntaxError("'}' expected after indirect variable token '${'."); - } - getNextToken(); - break; - case TokenNameVariable : - case TokenNamethis : - ident = scanner.getCurrentIdentifierSource(); - getNextToken(); - if (token == TokenNameLBRACE) { - getNextToken(); - expression(); - if (token != TokenNameRBRACE) { - throwSyntaxError("'}' expected after variable '" + new String(ident) + "' in variable-expression."); - } - getNextToken(); - } else if (token == TokenNameLPAREN) { - getNextToken(); - if (token != TokenNameRPAREN) { - expressionList(); - if (token != TokenNameRPAREN) { - throwSyntaxError("')' expected after variable '" + new String(ident) + "' in postfix-expression."); - } - } - getNextToken(); - } - break; - case TokenNameIdentifier : - ident = scanner.getCurrentIdentifierSource(); - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - if (token != TokenNameRPAREN) { - expressionList(); - if (token != TokenNameRPAREN) { - throwSyntaxError( - "')' expected after identifier '" + new String(ident) + "' in postfix-expression." + "(Found token: " + scanner.toStringAction(token) + ")"); - } - } - getNextToken(); - } - break; - case TokenNameprint : - getNextToken(); - expression(); - // if (token == TokenNameSEMICOLON) { - // getNextToken(); - // } else { - // if (token != TokenNameStopPHP) { - // throwSyntaxError("';' expected after 'print' statement."); - // } - // getNextToken(); - // } - break; - case TokenNamelist : - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - if (token == TokenNameCOMMA) { - getNextToken(); - } - expressionList(); - if (token != TokenNameRPAREN) { - throwSyntaxError("')' expected after 'list' keyword."); - } - getNextToken(); - // if (token == TokenNameSET) { - // getNextToken(); - // logicalinclusiveorExpression(); - // } - } else { - throwSyntaxError("'(' expected after 'list' keyword."); - } - break; - // case TokenNameexit : - // getNextToken(); - // if (token != TokenNameSEMICOLON) { - // exitStatus(); - // } - // if (token == TokenNameSEMICOLON) { - // getNextToken(); - // } else { - // if (token != TokenNameStopPHP) { - // throwSyntaxError("';' expected after 'exit' expression."); - // } - // getNextToken(); - // } - // break; - // case TokenNamedie : - // getNextToken(); - // if (token != TokenNameSEMICOLON) { - // exitStatus(); - // } - // if (token == TokenNameSEMICOLON) { - // getNextToken(); - // } else { - // if (token != TokenNameStopPHP) { - // throwSyntaxError("';' expected after 'die' expression."); - // } - // } - // break; - - // case TokenNamearray : - // getNextToken(); - // if (token == TokenNameARGOPEN) { - // getNextToken(); - // if (token == TokenNameCOMMA) { - // getNextToken(); - // } - // expressionList(); - // if (token != TokenNameARGCLOSE) { - // throwSyntaxError("')' expected after 'list' keyword."); - // } - // getNextToken(); - // if (token == TokenNameSET) { - // getNextToken(); - // logicalinclusiveorExpression(); - // } - // } else { - // throwSyntaxError("'(' expected after 'list' keyword."); - // } - // break; - } - boolean while_flag = true; - do { - switch (token) { - case TokenNameLBRACKET : - getNextToken(); - expression(); - if (token != TokenNameRBRACKET) { - throwSyntaxError("] expected in postfix-expression."); - } - getNextToken(); - break; - case TokenNameCOLON_COLON : // :: - case TokenNameMINUS_GREATER : // -> - getNextToken(); - if (token > TokenNameKEYWORD) { - ident = scanner.getCurrentIdentifierSource(); - // setMarker( - // "Avoid using keyword '" - // + new String(ident) - // + "' as variable name.", - // rowCount, - // PHPParser.INFO); -// setMarker( -// "Avoid using keyword '" + new String(ident) + "' as variable name.", -// scanner.getCurrentTokenStartPosition(), -// scanner.getCurrentTokenEndPosition(), -// INFO); - } - switch (token) { - case TokenNameVariable : - ident = scanner.getCurrentIdentifierSource(); - getNextToken(); - // if (token == TokenNameARGOPEN) { - // getNextToken(); - // expressionList(); - // if (token != TokenNameARGCLOSE) { - // throwSyntaxError(") expected after variable '" + ident + "'."); - // } - // getNextToken(); - // } - break; - case TokenNameIdentifier : - //ident = scanner.getCurrentIdentifierSource(); - getNextToken(); - break; - case TokenNameLBRACE : - getNextToken(); - expression(); - if (token != TokenNameRBRACE) { - throwSyntaxError("} expected in postfix-expression."); - } - getNextToken(); - break; - default : - throwSyntaxError("Syntax error after '->' token."); - } while (token == TokenNameLBRACKET || token == TokenNameLPAREN || token == TokenNameLBRACE) { - if (token == TokenNameLBRACKET) { - getNextToken(); - expressionList(); - if (token != TokenNameRBRACKET) { - throwSyntaxError("] expected after '->'."); - } - getNextToken(); - } else if (token == TokenNameLPAREN) { - getNextToken(); - expressionList(); - if (token != TokenNameRPAREN) { - throwSyntaxError(") expected after '->'."); - } - getNextToken(); - } else if (token == TokenNameLBRACE) { - getNextToken(); - expression(); - if (token != TokenNameRBRACE) { - throwSyntaxError("} expected after '->'."); - } - getNextToken(); - } - } - break; - case TokenNamePLUS_PLUS : - getNextToken(); - break; - case TokenNameMINUS_MINUS : - getNextToken(); - break; - default : - while_flag = false; - } - - } - while (while_flag); - } - - private void unaryExpression() throws CoreException { - switch (token) { - case TokenNamePLUS_PLUS : - getNextToken(); - unaryExpression(); - break; - case TokenNameMINUS_MINUS : - getNextToken(); - unaryExpression(); - break; - // '@' '&' '*' '+' '-' '~' '!' - case TokenNameAT : - getNextToken(); - if (token == TokenNameinclude || token == TokenNameinclude_once || token == TokenNamerequire || token == TokenNamerequire_once) { - statement(TokenNameAT); - } else { - postfixExpression(); // castExpression(); - } - break; - case TokenNameAND : - getNextToken(); - castExpression(); - break; - case TokenNameMULTIPLY : - getNextToken(); - castExpression(); - break; - case TokenNamePLUS : - getNextToken(); - castExpression(); - break; - case TokenNameMINUS : - getNextToken(); - castExpression(); - break; - case TokenNameTWIDDLE : - getNextToken(); - castExpression(); - break; - case TokenNameNOT : - getNextToken(); - castExpression(); - break; - default : - postfixExpression(); - } - } - - private void castExpression() throws CoreException { - // if (token == TokenNameARGOPEN) { - // getNextToken(); - // typeName(); - // if (token != TokenNameARGCLOSE) { - // throwSyntaxError(") expected after cast-expression."); - // } - // getNextToken(); - // } - unaryExpression(); - } - - private void assignExpression() throws CoreException { - castExpression(); - if (token == TokenNameEQUAL) { // = - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameDOT_EQUAL) { // .= - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameEQUAL_GREATER) { // => - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNamePLUS_EQUAL) { // += - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameMINUS_EQUAL) { // -= - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameMULTIPLY_EQUAL) { // *= - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameDIVIDE_EQUAL) { // *= - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameREMAINDER_EQUAL) { // %= - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameAND_EQUAL) { // &= - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameOR_EQUAL) { // |= - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameXOR_EQUAL) { // ^= - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameLEFT_SHIFT_EQUAL) { // <<= - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameRIGHT_SHIFT_EQUAL) { // >>= - getNextToken(); - logicalinclusiveorExpression(); - } else if (token == TokenNameTWIDDLE_EQUAL) { // ~= - getNextToken(); - logicalinclusiveorExpression(); - } - } - - private void multiplicativeExpression() throws CoreException { - do { - assignExpression(); - if (token != TokenNameMULTIPLY && token != TokenNameDIVIDE && token != TokenNameREMAINDER) { - return; - } - getNextToken(); - } while (true); - } - - private void concatenationExpression() throws CoreException { - do { - multiplicativeExpression(); - if (token != TokenNameDOT) { - return; - } - getNextToken(); - } while (true); - } - - private void additiveExpression() throws CoreException { - do { - concatenationExpression(); - if (token != TokenNamePLUS && token != TokenNameMINUS) { - return; - } - getNextToken(); - } while (true); - } - - private void shiftExpression() throws CoreException { - do { - additiveExpression(); - if (token != TokenNameLEFT_SHIFT && token != TokenNameRIGHT_SHIFT) { - return; - } - getNextToken(); - } while (true); - } - - private void relationalExpression() throws CoreException { - do { - shiftExpression(); - if (token != TokenNameLESS && token != TokenNameGREATER && token != TokenNameLESS_EQUAL && token != TokenNameGREATER_EQUAL) { - return; - } - getNextToken(); - } while (true); - } - - private void identicalExpression() throws CoreException { - do { - relationalExpression(); - if (token != TokenNameEQUAL_EQUAL_EQUAL && token != TokenNameNOT_EQUAL_EQUAL) { - return; - } - getNextToken(); - } while (true); - } - - private void equalityExpression() throws CoreException { - do { - identicalExpression(); - if (token != TokenNameEQUAL_EQUAL && token != TokenNameNOT_EQUAL) { - return; - } - getNextToken(); - } while (true); - } - - private void ternaryExpression() throws CoreException { - equalityExpression(); - if (token == TokenNameQUESTION) { - getNextToken(); - expression(); - if (token == TokenNameCOLON) { - getNextToken(); - expression(); - } else { - throwSyntaxError("':' expected in ternary operator '? :'."); - } - } - } - - private void andExpression() throws CoreException { - do { - ternaryExpression(); - if (token != TokenNameAND) { - return; - } - getNextToken(); - } while (true); - } - - private void exclusiveorExpression() throws CoreException { - do { - andExpression(); - if (token != TokenNameXOR) { - return; - } - getNextToken(); - } while (true); - } - - private void inclusiveorExpression() throws CoreException { - do { - exclusiveorExpression(); - if (token != TokenNameOR) { - return; - } - getNextToken(); - } while (true); - } - - private void booleanandExpression() throws CoreException { - do { - inclusiveorExpression(); - if (token != TokenNameAND_AND) { - return; - } - getNextToken(); - } while (true); - } - - private void booleanorExpression() throws CoreException { - do { - booleanandExpression(); - if (token != TokenNameOR_OR) { - return; - } - getNextToken(); - } while (true); - } - - private void logicalandExpression() throws CoreException { - do { - booleanorExpression(); - if (token != TokenNameAND) { - return; - } - getNextToken(); - } while (true); - } - - private void logicalexclusiveorExpression() throws CoreException { - do { - logicalandExpression(); - if (token != TokenNameXOR) { - return; - } - getNextToken(); - } while (true); - } - - private void logicalinclusiveorExpression() throws CoreException { - do { - logicalexclusiveorExpression(); - if (token != TokenNameOR) { - return; - } - getNextToken(); - } while (true); - } - - // public void assignmentExpression() { - // if (token == TokenNameVARIABLE) { - // getNextToken(); - // if (token == TokenNameSET) { - // getNextToken(); - // logicalinclusiveorExpression(); - // } - // } else { - // logicalinclusiveorExpression(); - // } - // } - - private void variableList() throws CoreException { - do { - variable(); - if (token == TokenNameCOMMA) { - getNextToken(); - } else { - break; - } - } while (true); - } - - private void variable() throws CoreException { - if (token == TokenNameDOLLAR_LBRACE) { - getNextToken(); - expression(); - ; - if (token != TokenNameRBRACE) { - throwSyntaxError("'}' expected after indirect variable token '${'."); - } - getNextToken(); - } else { - if (token == TokenNameVariable) { - getNextToken(); - if (token == TokenNameLBRACKET) { - getNextToken(); - expression(); - if (token != TokenNameRBRACKET) { - throwSyntaxError("']' expected in variable-list."); - } - getNextToken(); - } else if (token == TokenNameEQUAL) { - getNextToken(); - constant(); - } - } else { - throwSyntaxError("$-variable expected in variable-list."); - } - } - } - - /** - * It will look for a value (after a '=' for example) - * @throws CoreException - */ - private void constant() throws CoreException { - // String ident; - switch (token) { - case TokenNamePLUS : - getNextToken(); - switch (token) { - case TokenNameDoubleLiteral : - getNextToken(); - break; - case TokenNameIntegerLiteral : - getNextToken(); - break; - default : - throwSyntaxError("Constant expected after '+' presign."); - } - break; - case TokenNameMINUS : - getNextToken(); - switch (token) { - case TokenNameDoubleLiteral : - getNextToken(); - break; - case TokenNameIntegerLiteral : - getNextToken(); - break; - default : - throwSyntaxError("Constant expected after '-' presign."); - } - break; - case TokenNamenull : - getNextToken(); - break; - case TokenNamefalse : - getNextToken(); - break; - case TokenNametrue : - getNextToken(); - break; - case TokenNameIdentifier : - // ident = identifier; - char[] ident = scanner.getCurrentIdentifierSource(); - getNextToken(); - if (token == TokenNameLPAREN) { - getNextToken(); - if (token != TokenNameRPAREN) { - expressionList(); - if (token != TokenNameRPAREN) { - throwSyntaxError("')' expected after identifier '" + new String(ident) + "' in postfix-expression."); - } - } - getNextToken(); - } - break; - case TokenNameStringLiteral : - getNextToken(); - break; - case TokenNameStringConstant : - getNextToken(); - break; - case TokenNameStringInterpolated : - getNextToken(); - break; - case TokenNameDoubleLiteral : - getNextToken(); - break; - case TokenNameIntegerLiteral : - getNextToken(); - break; - default : - throwSyntaxError("Constant expected."); - } - } - - public void reportSyntaxError() { //int act, int currentKind, int stateStackTop) { - - /* remember current scanner position */ - int startPos = scanner.startPosition; - int currentPos = scanner.currentPosition; - - // String[] expectings; - // String tokenName = name[symbol_index[currentKind]]; - - //fetch all "accurate" possible terminals that could recover the error - // int start, end = start = asi(stack[stateStackTop]); - // while (asr[end] != 0) - // end++; - // int length = end - start; - // expectings = new String[length]; - // if (length != 0) { - // char[] indexes = new char[length]; - // System.arraycopy(asr, start, indexes, 0, length); - // for (int i = 0; i < length; i++) { - // expectings[i] = name[symbol_index[indexes[i]]]; - // } - // } - - //if the pb is an EOF, try to tell the user that they are some - // if (tokenName.equals(UNEXPECTED_EOF)) { - // if (!this.checkAndReportBracketAnomalies(problemReporter())) { - // char[] tokenSource; - // try { - // tokenSource = this.scanner.getCurrentTokenSource(); - // } catch (Exception e) { - // tokenSource = new char[] {}; - // } - // problemReporter().parseError( - // this.scanner.startPosition, - // this.scanner.currentPosition - 1, - // tokenSource, - // tokenName, - // expectings); - // } - // } else { //the next test is HEAVILY grammar DEPENDENT. - // if ((length == 14) - // && (expectings[0] == "=") //$NON-NLS-1$ - // && (expectings[1] == "*=") //$NON-NLS-1$ - // && (expressionPtr > -1)) { - // switch(currentKind) { - // case TokenNameSEMICOLON: - // case TokenNamePLUS: - // case TokenNameMINUS: - // case TokenNameDIVIDE: - // case TokenNameREMAINDER: - // case TokenNameMULTIPLY: - // case TokenNameLEFT_SHIFT: - // case TokenNameRIGHT_SHIFT: - //// case TokenNameUNSIGNED_RIGHT_SHIFT: - // case TokenNameLESS: - // case TokenNameGREATER: - // case TokenNameLESS_EQUAL: - // case TokenNameGREATER_EQUAL: - // case TokenNameEQUAL_EQUAL: - // case TokenNameNOT_EQUAL: - // case TokenNameXOR: - // case TokenNameAND: - // case TokenNameOR: - // case TokenNameOR_OR: - // case TokenNameAND_AND: - // // the ; is not the expected token ==> it ends a statement when an expression is not ended - // problemReporter().invalidExpressionAsStatement(expressionStack[expressionPtr]); - // break; - // case TokenNameRBRACE : - // problemReporter().missingSemiColon(expressionStack[expressionPtr]); - // break; - // default: - // char[] tokenSource; - // try { - // tokenSource = this.scanner.getCurrentTokenSource(); - // } catch (Exception e) { - // tokenSource = new char[] {}; - // } - // problemReporter().parseError( - // this.scanner.startPosition, - // this.scanner.currentPosition - 1, - // tokenSource, - // tokenName, - // expectings); - // this.checkAndReportBracketAnomalies(problemReporter()); - // } - // } else { - char[] tokenSource; - try { - tokenSource = this.scanner.getCurrentTokenSource(); - } catch (Exception e) { - tokenSource = new char[] { - }; - } - // problemReporter().parseError( - // this.scanner.startPosition, - // this.scanner.currentPosition - 1, - // tokenSource, - // tokenName, - // expectings); - this.checkAndReportBracketAnomalies(problemReporter()); - // } - // } - /* reset scanner where it was */ - scanner.startPosition = startPos; - scanner.currentPosition = currentPos; - } - public static final int RoundBracket = 0; - public static final int SquareBracket = 1; - public static final int CurlyBracket = 2; - public static final int BracketKinds = 3; - - protected int[] nestedMethod; //the ptr is nestedType - protected int nestedType, dimensions; - //ast stack - final static int AstStackIncrement = 100; - protected int astPtr; - protected AstNode[] astStack = new AstNode[AstStackIncrement]; - protected int astLengthPtr; - protected int[] astLengthStack; - AstNode[] noAstNodes = new AstNode[AstStackIncrement]; - - public CompilationUnitDeclaration compilationUnit; /*the result from parse()*/ - protected ReferenceContext referenceContext; - protected ProblemReporter problemReporter; - // protected CompilationResult compilationResult; - - /** - * Returns this parser's problem reporter initialized with its reference context. - * Also it is assumed that a problem is going to be reported, so initializes - * the compilation result's line positions. - */ - public ProblemReporter problemReporter() { - if (scanner.recordLineSeparator) { - compilationUnit.compilationResult.lineSeparatorPositions = scanner.getLineEnds(); - } - problemReporter.referenceContext = referenceContext; - return problemReporter; - } - /* - * Reconsider the entire source looking for inconsistencies in {} () [] - */ - public boolean checkAndReportBracketAnomalies(ProblemReporter problemReporter) { - - scanner.wasAcr = false; - boolean anomaliesDetected = false; - try { - char[] source = scanner.source; - int[] leftCount = { 0, 0, 0 }; - int[] rightCount = { 0, 0, 0 }; - int[] depths = { 0, 0, 0 }; - int[][] leftPositions = new int[][] { new int[10], new int[10], new int[10] }; - int[][] leftDepths = new int[][] { new int[10], new int[10], new int[10] }; - int[][] rightPositions = new int[][] { new int[10], new int[10], new int[10] }; - int[][] rightDepths = new int[][] { new int[10], new int[10], new int[10] }; - scanner.currentPosition = scanner.initialPosition; //starting point (first-zero-based char) - while (scanner.currentPosition < scanner.eofPosition) { //loop for jumping over comments - try { - // ---------Consume white space and handles startPosition--------- - boolean isWhiteSpace; - do { - scanner.startPosition = scanner.currentPosition; - // if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\') && (source[scanner.currentPosition] == 'u')) { - // isWhiteSpace = scanner.jumpOverUnicodeWhiteSpace(); - // } else { - if (scanner.recordLineSeparator && ((scanner.currentCharacter == '\r') || (scanner.currentCharacter == '\n'))) { - if (scanner.lineEnds[scanner.linePtr] < scanner.startPosition) { - // only record line positions we have not recorded yet - scanner.pushLineSeparator(); - } - } - isWhiteSpace = CharOperation.isWhitespace(scanner.currentCharacter); - // } - } while (isWhiteSpace && (scanner.currentPosition < scanner.eofPosition)); - - // -------consume token until } is found--------- - - switch (scanner.currentCharacter) { - case '{' : - { - int index = leftCount[CurlyBracket]++; - if (index == leftPositions[CurlyBracket].length) { - System.arraycopy(leftPositions[CurlyBracket], 0, (leftPositions[CurlyBracket] = new int[index * 2]), 0, index); - System.arraycopy(leftDepths[CurlyBracket], 0, (leftDepths[CurlyBracket] = new int[index * 2]), 0, index); - } - leftPositions[CurlyBracket][index] = scanner.startPosition; - leftDepths[CurlyBracket][index] = depths[CurlyBracket]++; - } - break; - case '}' : - { - int index = rightCount[CurlyBracket]++; - if (index == rightPositions[CurlyBracket].length) { - System.arraycopy(rightPositions[CurlyBracket], 0, (rightPositions[CurlyBracket] = new int[index * 2]), 0, index); - System.arraycopy(rightDepths[CurlyBracket], 0, (rightDepths[CurlyBracket] = new int[index * 2]), 0, index); - } - rightPositions[CurlyBracket][index] = scanner.startPosition; - rightDepths[CurlyBracket][index] = --depths[CurlyBracket]; - } - break; - case '(' : - { - int index = leftCount[RoundBracket]++; - if (index == leftPositions[RoundBracket].length) { - System.arraycopy(leftPositions[RoundBracket], 0, (leftPositions[RoundBracket] = new int[index * 2]), 0, index); - System.arraycopy(leftDepths[RoundBracket], 0, (leftDepths[RoundBracket] = new int[index * 2]), 0, index); - } - leftPositions[RoundBracket][index] = scanner.startPosition; - leftDepths[RoundBracket][index] = depths[RoundBracket]++; - } - break; - case ')' : - { - int index = rightCount[RoundBracket]++; - if (index == rightPositions[RoundBracket].length) { - System.arraycopy(rightPositions[RoundBracket], 0, (rightPositions[RoundBracket] = new int[index * 2]), 0, index); - System.arraycopy(rightDepths[RoundBracket], 0, (rightDepths[RoundBracket] = new int[index * 2]), 0, index); - } - rightPositions[RoundBracket][index] = scanner.startPosition; - rightDepths[RoundBracket][index] = --depths[RoundBracket]; - } - break; - case '[' : - { - int index = leftCount[SquareBracket]++; - if (index == leftPositions[SquareBracket].length) { - System.arraycopy(leftPositions[SquareBracket], 0, (leftPositions[SquareBracket] = new int[index * 2]), 0, index); - System.arraycopy(leftDepths[SquareBracket], 0, (leftDepths[SquareBracket] = new int[index * 2]), 0, index); - } - leftPositions[SquareBracket][index] = scanner.startPosition; - leftDepths[SquareBracket][index] = depths[SquareBracket]++; - } - break; - case ']' : - { - int index = rightCount[SquareBracket]++; - if (index == rightPositions[SquareBracket].length) { - System.arraycopy(rightPositions[SquareBracket], 0, (rightPositions[SquareBracket] = new int[index * 2]), 0, index); - System.arraycopy(rightDepths[SquareBracket], 0, (rightDepths[SquareBracket] = new int[index * 2]), 0, index); - } - rightPositions[SquareBracket][index] = scanner.startPosition; - rightDepths[SquareBracket][index] = --depths[SquareBracket]; - } - break; - case '\'' : - { - if (scanner.getNextChar('\\')) { - scanner.scanEscapeCharacter(); - } else { // consume next character - scanner.unicodeAsBackSlash = false; - // if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\') && (source[scanner.currentPosition] == 'u')) { - // scanner.getNextUnicodeChar(); - // } else { - if (scanner.withoutUnicodePtr != 0) { - scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = scanner.currentCharacter; - } - // } - } - scanner.getNextChar('\''); - break; - } - case '"' : // consume next character - scanner.unicodeAsBackSlash = false; - // if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\') && (source[scanner.currentPosition] == 'u')) { - // scanner.getNextUnicodeChar(); - // } else { - if (scanner.withoutUnicodePtr != 0) { - scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = scanner.currentCharacter; - } - // } - while (scanner.currentCharacter != '"') { - if (scanner.currentCharacter == '\r') { - if (source[scanner.currentPosition] == '\n') - scanner.currentPosition++; - break; // the string cannot go further that the line - } - if (scanner.currentCharacter == '\n') { - break; // the string cannot go further that the line - } - if (scanner.currentCharacter == '\\') { - scanner.scanEscapeCharacter(); - } - // consume next character - scanner.unicodeAsBackSlash = false; - // if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\') && (source[scanner.currentPosition] == 'u')) { - // scanner.getNextUnicodeChar(); - // } else { - if (scanner.withoutUnicodePtr != 0) { - scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = scanner.currentCharacter; - } - // } - } - break; - case '/' : - { - int test; - if ((test = scanner.getNextChar('/', '*')) == 0) { //line comment - //get the next char - if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\') && (source[scanner.currentPosition] == 'u')) { - //-------------unicode traitement ------------ - int c1 = 0, c2 = 0, c3 = 0, c4 = 0; - scanner.currentPosition++; - while (source[scanner.currentPosition] == 'u') { - scanner.currentPosition++; - } - if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c1 < 0 - || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c2 < 0 - || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c3 < 0 - || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c4 < 0) { //error don't care of the value - scanner.currentCharacter = 'A'; - } //something different from \n and \r - else { - scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4); - } - } - while (scanner.currentCharacter != '\r' && scanner.currentCharacter != '\n') { - //get the next char - scanner.startPosition = scanner.currentPosition; - if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\') && (source[scanner.currentPosition] == 'u')) { - //-------------unicode traitement ------------ - int c1 = 0, c2 = 0, c3 = 0, c4 = 0; - scanner.currentPosition++; - while (source[scanner.currentPosition] == 'u') { - scanner.currentPosition++; - } - if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c1 < 0 - || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c2 < 0 - || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c3 < 0 - || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c4 < 0) { //error don't care of the value - scanner.currentCharacter = 'A'; - } //something different from \n and \r - else { - scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4); - } - } - } - if (scanner.recordLineSeparator && ((scanner.currentCharacter == '\r') || (scanner.currentCharacter == '\n'))) { - if (scanner.lineEnds[scanner.linePtr] < scanner.startPosition) { - // only record line positions we have not recorded yet - scanner.pushLineSeparator(); - if (this.scanner.taskTags != null) { - this.scanner.checkTaskTag(this.scanner.getCurrentTokenStartPosition(), this.scanner.getCurrentTokenEndPosition()); - } - } - } - break; - } - if (test > 0) { //traditional and annotation comment - boolean star = false; - // consume next character - scanner.unicodeAsBackSlash = false; - // if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\') && (source[scanner.currentPosition] == 'u')) { - // scanner.getNextUnicodeChar(); - // } else { - if (scanner.withoutUnicodePtr != 0) { - scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = scanner.currentCharacter; - } - // } - if (scanner.currentCharacter == '*') { - star = true; - } - //get the next char - if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\') && (source[scanner.currentPosition] == 'u')) { - //-------------unicode traitement ------------ - int c1 = 0, c2 = 0, c3 = 0, c4 = 0; - scanner.currentPosition++; - while (source[scanner.currentPosition] == 'u') { - scanner.currentPosition++; - } - if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c1 < 0 - || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c2 < 0 - || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c3 < 0 - || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c4 < 0) { //error don't care of the value - scanner.currentCharacter = 'A'; - } //something different from * and / - else { - scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4); - } - } - //loop until end of comment */ - while ((scanner.currentCharacter != '/') || (!star)) { - star = scanner.currentCharacter == '*'; - //get next char - if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\') && (source[scanner.currentPosition] == 'u')) { - //-------------unicode traitement ------------ - int c1 = 0, c2 = 0, c3 = 0, c4 = 0; - scanner.currentPosition++; - while (source[scanner.currentPosition] == 'u') { - scanner.currentPosition++; - } - if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c1 < 0 - || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c2 < 0 - || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c3 < 0 - || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > 15 - || c4 < 0) { //error don't care of the value - scanner.currentCharacter = 'A'; - } //something different from * and / - else { - scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4); - } - } - } - if (this.scanner.taskTags != null) { - this.scanner.checkTaskTag(this.scanner.getCurrentTokenStartPosition(), this.scanner.getCurrentTokenEndPosition()); - } - break; - } - break; - } - default : - if (Scanner.isPHPIdentifierStart(scanner.currentCharacter)) { - scanner.scanIdentifierOrKeyword(false); - break; - } - if (Character.isDigit(scanner.currentCharacter)) { - scanner.scanNumber(false); - break; - } - } - //-----------------end switch while try-------------------- - } catch (IndexOutOfBoundsException e) { - break; // read until EOF - } catch (InvalidInputException e) { - return false; // no clue - } - } - if (scanner.recordLineSeparator) { - // compilationUnit.compilationResult.lineSeparatorPositions = scanner.getLineEnds(); - } - - // check placement anomalies against other kinds of brackets - for (int kind = 0; kind < BracketKinds; kind++) { - for (int leftIndex = leftCount[kind] - 1; leftIndex >= 0; leftIndex--) { - int start = leftPositions[kind][leftIndex]; // deepest first - // find matching closing bracket - int depth = leftDepths[kind][leftIndex]; - int end = -1; - for (int i = 0; i < rightCount[kind]; i++) { - int pos = rightPositions[kind][i]; - // want matching bracket further in source with same depth - if ((pos > start) && (depth == rightDepths[kind][i])) { - end = pos; - break; - } - } - if (end < 0) { // did not find a good closing match - problemReporter.unmatchedBracket(start, referenceContext, compilationUnit.compilationResult); - return true; - } - // check if even number of opening/closing other brackets in between this pair of brackets - int balance = 0; - for (int otherKind = 0;(balance == 0) && (otherKind < BracketKinds); otherKind++) { - for (int i = 0; i < leftCount[otherKind]; i++) { - int pos = leftPositions[otherKind][i]; - if ((pos > start) && (pos < end)) - balance++; - } - for (int i = 0; i < rightCount[otherKind]; i++) { - int pos = rightPositions[otherKind][i]; - if ((pos > start) && (pos < end)) - balance--; - } - if (balance != 0) { - problemReporter.unmatchedBracket(start, referenceContext, compilationUnit.compilationResult); //bracket anomaly - return true; - } - } - } - // too many opening brackets ? - for (int i = rightCount[kind]; i < leftCount[kind]; i++) { - anomaliesDetected = true; - problemReporter.unmatchedBracket(leftPositions[kind][leftCount[kind] - i - 1], referenceContext, compilationUnit.compilationResult); - } - // too many closing brackets ? - for (int i = leftCount[kind]; i < rightCount[kind]; i++) { - anomaliesDetected = true; - problemReporter.unmatchedBracket(rightPositions[kind][i], referenceContext, compilationUnit.compilationResult); - } - if (anomaliesDetected) - return true; - } - - return anomaliesDetected; - } catch (ArrayStoreException e) { // jdk1.2.2 jit bug - return anomaliesDetected; - } catch (NullPointerException e) { // jdk1.2.2 jit bug - return anomaliesDetected; - } - } - - protected void pushOnAstLengthStack(int pos) { - try { - astLengthStack[++astLengthPtr] = pos; - } catch (IndexOutOfBoundsException e) { - int oldStackLength = astLengthStack.length; - int[] oldPos = astLengthStack; - astLengthStack = new int[oldStackLength + StackIncrement]; - System.arraycopy(oldPos, 0, astLengthStack, 0, oldStackLength); - astLengthStack[astLengthPtr] = pos; - } - } - - protected void pushOnAstStack(AstNode node) { - /*add a new obj on top of the ast stack - astPtr points on the top*/ - - try { - astStack[++astPtr] = node; - } catch (IndexOutOfBoundsException e) { - int oldStackLength = astStack.length; - AstNode[] oldStack = astStack; - astStack = new AstNode[oldStackLength + AstStackIncrement]; - System.arraycopy(oldStack, 0, astStack, 0, oldStackLength); - astPtr = oldStackLength; - astStack[astPtr] = node; - } - - try { - astLengthStack[++astLengthPtr] = 1; - } catch (IndexOutOfBoundsException e) { - int oldStackLength = astLengthStack.length; - int[] oldPos = astLengthStack; - astLengthStack = new int[oldStackLength + AstStackIncrement]; - System.arraycopy(oldPos, 0, astLengthStack, 0, oldStackLength); - astLengthStack[astLengthPtr] = 1; - } - } +import org.eclipse.core.resources.IProject; +import org.eclipse.core.resources.IResource; +import org.eclipse.core.runtime.IPath; + +public class Parser implements ITerminalSymbols, CompilerModifiers, + ParserBasicInformation { + protected final static int StackIncrement = 255; + + protected int stateStackTop; + + // protected int[] stack = new int[StackIncrement]; + + public int firstToken; // handle for multiple parsing goals + + public int lastAct; // handle for multiple parsing goals + + // protected RecoveredElement currentElement; + + public static boolean VERBOSE_RECOVERY = false; + + protected boolean diet = false; // tells the scanner to jump over some + + /** + * the PHP token scanner + */ + public Scanner scanner; + + int token; + + protected int modifiers; + + protected int modifiersSourceStart; + + protected Parser(ProblemReporter problemReporter) { + this.problemReporter = problemReporter; + this.options = problemReporter.options; + this.token = TokenNameEOF; + this.initializeScanner(); + } + +// public void setFileToParse(IFile fileToParse) { +// this.token = TokenNameEOF; +// this.initializeScanner(); +// } + + /** + * ClassDeclaration Constructor. + * + * @param s + * @param sess + * Description of Parameter + * @see + */ +// public Parser(IFile fileToParse) { +// // if (keywordMap == null) { +// // keywordMap = new HashMap(); +// // for (int i = 0; i < PHP_KEYWORS.length; i++) { +// // keywordMap.put(PHP_KEYWORS[i], new Integer(PHP_KEYWORD_TOKEN[i])); +// // } +// // } +// // this.currentPHPString = 0; +// // PHPParserSuperclass.fileToParse = fileToParse; +// // this.phpList = null; +// this.includesList = null; +// // this.str = ""; +// this.token = TokenNameEOF; +// // this.chIndx = 0; +// // this.rowCount = 1; +// // this.columnCount = 0; +// // this.phpEnd = false; +// // getNextToken(); +// this.initializeScanner(); +// } + + public void initializeScanner() { + this.scanner = new Scanner( + false /* comment */, + false /* whitespace */, + this.options.getSeverity(CompilerOptions.NonExternalizedString) != ProblemSeverities.Ignore /* nls */, + false, false, this.options.taskTags/* taskTags */, + this.options.taskPriorites/* taskPriorities */, true/* isTaskCaseSensitive */); + } + + /** + * Create marker for the parse error + */ + // private void setMarker(String message, int charStart, int charEnd, int + // errorLevel) { + // setMarker(fileToParse, message, charStart, charEnd, errorLevel); + // } + /** + * This method will throw the SyntaxError. It will add the good lines and + * columns to the Error + * + * @param error + * the error message + * @throws SyntaxError + * the error raised + */ + private void throwSyntaxError(String error) { + int problemStartPosition = scanner.getCurrentTokenStartPosition(); + int problemEndPosition = scanner.getCurrentTokenEndPosition() + 1; + if (scanner.source.length <= problemEndPosition + && problemEndPosition > 0) { + problemEndPosition = scanner.source.length - 1; + if (problemStartPosition > 0 + && problemStartPosition >= problemEndPosition + && problemEndPosition > 0) { + problemStartPosition = problemEndPosition - 1; + } + } + throwSyntaxError(error, problemStartPosition, problemEndPosition); + } + + /** + * This method will throw the SyntaxError. It will add the good lines and + * columns to the Error + * + * @param error + * the error message + * @throws SyntaxError + * the error raised + */ + // private void throwSyntaxError(String error, int startRow) { + // throw new SyntaxError(startRow, 0, " ", error); + // } + private void throwSyntaxError(String error, int problemStartPosition, + int problemEndPosition) { + if (referenceContext != null) { + problemReporter.phpParsingError(new String[] { error }, + problemStartPosition, problemEndPosition, referenceContext, + compilationUnit.compilationResult); + } + throw new SyntaxError(1, 0, " ", error); + } + + private void reportSyntaxError(String error) { + int problemStartPosition = scanner.getCurrentTokenStartPosition(); + int problemEndPosition = scanner.getCurrentTokenEndPosition(); + reportSyntaxError(error, problemStartPosition, problemEndPosition + 1); + } + + private void reportSyntaxError(String error, int problemStartPosition, + int problemEndPosition) { + if (referenceContext != null) { + problemReporter.phpParsingError(new String[] { error }, + problemStartPosition, problemEndPosition, referenceContext, + compilationUnit.compilationResult); + } + } + + // private void reportSyntaxWarning(String error, int problemStartPosition, + // int problemEndPosition) { + // if (referenceContext != null) { + // problemReporter.phpParsingWarning(new String[] { error }, + // problemStartPosition, problemEndPosition, referenceContext, + // compilationUnit.compilationResult); + // } + // } + + /** + * gets the next token from input + */ + private void getNextToken() { + try { + token = scanner.getNextToken(); + if (Scanner.DEBUG) { + int currentEndPosition = scanner.getCurrentTokenEndPosition(); + int currentStartPosition = scanner + .getCurrentTokenStartPosition(); + System.out.print(currentStartPosition + "," + + currentEndPosition + ": "); + System.out.println(scanner.toStringAction(token)); + } + } catch (InvalidInputException e) { + token = TokenNameERROR; + String detailedMessage = e.getMessage(); + + if (detailedMessage == Scanner.UNTERMINATED_STRING) { + throwSyntaxError("Unterminated string."); + } else if (detailedMessage == Scanner.UNTERMINATED_COMMENT) { + throwSyntaxError("Unterminated commment."); + } + } + return; + } + + public void init(String s) { + // this.str = s; + this.token = TokenNameEOF; + this.includesList = new ArrayList(); + // this.chIndx = 0; + // this.rowCount = 1; + // this.columnCount = 0; + // this.phpEnd = false; + // this.phpMode = false; + /* scanner initialization */ + scanner.setSource(s.toCharArray()); + scanner.setPHPMode(false); + astPtr = 0; + } + + protected void initialize(boolean phpMode) { + initialize(phpMode, null); + } + + protected void initialize(boolean phpMode, + IdentifierIndexManager indexManager) { + compilationUnit = null; + referenceContext = null; + this.includesList = new ArrayList(); + // this.indexManager = indexManager; + // this.str = ""; + this.token = TokenNameEOF; + // this.chIndx = 0; + // this.rowCount = 1; + // this.columnCount = 0; + // this.phpEnd = false; + // this.phpMode = phpMode; + scanner.setPHPMode(phpMode); + astPtr = 0; + } + + /** + * Parses a string with php tags i.e. '<body> <?php phpinfo() ?> + * </body>' + */ + public void parse(String s) { + parse(s, null); + } + + /** + * Parses a string with php tags i.e. '<body> <?php phpinfo() ?> + * </body>' + */ + public void parse(String s, HashMap variables) { + fMethodVariables = variables; + fStackUnassigned = new ArrayList(); + init(s); + parse(); + } + + /** + * Parses a string with php tags i.e. '<body> <?php phpinfo() ?> + * </body>' + */ + protected void parse() { + if (scanner.compilationUnit != null) { + IResource resource = scanner.compilationUnit.getResource(); + if (resource != null && resource instanceof IFile) { + // set the package name + consumePackageDeclarationName((IFile) resource); + } + } + getNextToken(); + do { + try { + if (token != TokenNameEOF && token != TokenNameERROR) { + statementList(); + } + if (token != TokenNameEOF) { + if (token == TokenNameERROR) { + throwSyntaxError("Scanner error (Found unknown token: " + + scanner.toStringAction(token) + ")"); + } + if (token == TokenNameRPAREN) { + throwSyntaxError("Too many closing ')'; end-of-file not reached."); + } + if (token == TokenNameRBRACE) { + throwSyntaxError("Too many closing '}'; end-of-file not reached."); + } + if (token == TokenNameRBRACKET) { + throwSyntaxError("Too many closing ']'; end-of-file not reached."); + } + if (token == TokenNameLPAREN) { + throwSyntaxError("Read character '('; end-of-file not reached."); + } + if (token == TokenNameLBRACE) { + throwSyntaxError("Read character '{'; end-of-file not reached."); + } + if (token == TokenNameLBRACKET) { + throwSyntaxError("Read character '['; end-of-file not reached."); + } + throwSyntaxError("End-of-file not reached."); + } + break; + } catch (SyntaxError syntaxError) { + // syntaxError.printStackTrace(); + break; + } + } while (true); + + endParse(0); + } + + /** + * Parses a string with php tags i.e. '<body> <?php phpinfo() ?> + * </body>' + */ + public void parseFunction(String s, HashMap variables) { + init(s); + scanner.phpMode = true; + parseFunction(variables); + } + + /** + * Parses a string with php tags i.e. '<body> <?php phpinfo() ?> + * </body>' + */ + protected void parseFunction(HashMap variables) { + getNextToken(); + boolean hasModifiers = member_modifiers(); + if (token == TokenNamefunction) { + if (!hasModifiers) { + checkAndSetModifiers(AccPublic); + } + this.fMethodVariables = variables; + + MethodDeclaration methodDecl = new MethodDeclaration(null); + methodDecl.declarationSourceStart = scanner + .getCurrentTokenStartPosition(); + methodDecl.modifiers = this.modifiers; + methodDecl.type = MethodDeclaration.METHOD_DEFINITION; + try { + getNextToken(); + functionDefinition(methodDecl); + } catch (SyntaxError sytaxErr1) { + return; + } finally { + int sourceEnd = methodDecl.sourceEnd; + if (sourceEnd <= 0 + || methodDecl.declarationSourceStart > sourceEnd) { + sourceEnd = methodDecl.declarationSourceStart + 1; + } + methodDecl.sourceEnd = sourceEnd; + methodDecl.declarationSourceEnd = sourceEnd; + } + } + } + + protected CompilationUnitDeclaration endParse(int act) { + + this.lastAct = act; + + // if (currentElement != null) { + // currentElement.topElement().updateParseTree(); + // if (VERBOSE_RECOVERY) { + // System.out.print(Util.bind("parser.syntaxRecovery")); //$NON-NLS-1$ + // System.out.println("--------------------------"); //$NON-NLS-1$ + // System.out.println(compilationUnit); + // System.out.println("----------------------------------"); + // //$NON-NLS-1$ + // } + // } else { + if (diet & VERBOSE_RECOVERY) { + System.out.print(Util.bind("parser.regularParse")); //$NON-NLS-1$ + System.out.println("--------------------------"); //$NON-NLS-1$ + System.out.println(compilationUnit); + System.out.println("----------------------------------"); //$NON-NLS-1$ + } + // } + if (scanner.recordLineSeparator) { + compilationUnit.compilationResult.lineSeparatorPositions = scanner + .getLineEnds(); + } + if (scanner.taskTags != null) { + for (int i = 0; i < scanner.foundTaskCount; i++) { + problemReporter().task( + new String(scanner.foundTaskTags[i]), + new String(scanner.foundTaskMessages[i]), + scanner.foundTaskPriorities[i] == null ? null + : new String(scanner.foundTaskPriorities[i]), + scanner.foundTaskPositions[i][0], + scanner.foundTaskPositions[i][1]); + } + } + compilationUnit.imports = new ImportReference[includesList.size()]; + for (int i = 0; i < includesList.size(); i++) { + compilationUnit.imports[i] = (ImportReference) includesList.get(i); + } + return compilationUnit; + } + + private Block statementList() { + boolean branchStatement = false; + Statement statement; + int blockStart = scanner.getCurrentTokenStartPosition(); + ArrayList blockStatements = new ArrayList(); + do { + try { + statement = statement(); + blockStatements.add(statement); + if (token == TokenNameEOF) { + return null; + } + if (branchStatement && statement != null) { + // reportSyntaxError("Unreachable code", + // statement.sourceStart, + // statement.sourceEnd); + if (!(statement instanceof BreakStatement)) { + /* + * don't give an error for break statement following + * return statement Technically it's unreachable code, + * but in switch-case it's recommended to avoid + * accidental fall-through later when editing the code + */ + problemReporter.unreachableCode(new String(scanner + .getCurrentIdentifierSource()), + statement.sourceStart, statement.sourceEnd, + referenceContext, + compilationUnit.compilationResult); + } + } + if ((token == TokenNameRBRACE) || (token == TokenNamecase) + || (token == TokenNamedefault) + || (token == TokenNameelse) + || (token == TokenNameelseif) + || (token == TokenNameendif) + || (token == TokenNameendfor) + || (token == TokenNameendforeach) + || (token == TokenNameendwhile) + || (token == TokenNameendswitch) + || (token == TokenNameenddeclare) + || (token == TokenNameEOF) || (token == TokenNameERROR)) { + return createBlock(blockStart, blockStatements); + } + branchStatement = checkUnreachableStatements(statement); + } catch (SyntaxError sytaxErr1) { + // if an error occured, + // try to find keywords + // to parse the rest of the string + boolean tokenize = scanner.tokenizeStrings; + if (!tokenize) { + scanner.tokenizeStrings = true; + } + try { + while (token != TokenNameEOF) { + if ((token == TokenNameRBRACE) + || (token == TokenNamecase) + || (token == TokenNamedefault) + || (token == TokenNameelse) + || (token == TokenNameelseif) + || (token == TokenNameendif) + || (token == TokenNameendfor) + || (token == TokenNameendforeach) + || (token == TokenNameendwhile) + || (token == TokenNameendswitch) + || (token == TokenNameenddeclare) + || (token == TokenNameEOF) + || (token == TokenNameERROR)) { + return createBlock(blockStart, blockStatements); + } + if (token == TokenNameif || token == TokenNameswitch + || token == TokenNamefor + || token == TokenNamewhile + || token == TokenNamedo + || token == TokenNameforeach + || token == TokenNamecontinue + || token == TokenNamebreak + || token == TokenNamereturn + || token == TokenNameexit + || token == TokenNameecho + || token == TokenNameECHO_INVISIBLE + || token == TokenNameglobal + || token == TokenNamestatic + || token == TokenNameunset + || token == TokenNamefunction + || token == TokenNamedeclare + || token == TokenNametry + || token == TokenNamecatch + || token == TokenNamethrow + || token == TokenNamefinal + || token == TokenNameabstract + || token == TokenNameclass + || token == TokenNameinterface) { + break; + } + // System.out.println(scanner.toStringAction(token)); + getNextToken(); + // System.out.println(scanner.toStringAction(token)); + } + if (token == TokenNameEOF) { + throw sytaxErr1; + } + } finally { + scanner.tokenizeStrings = tokenize; + } + } + } while (true); + } + + /** + * @param statement + * @return + */ + private boolean checkUnreachableStatements(Statement statement) { + if (statement instanceof ReturnStatement + || statement instanceof ContinueStatement + || statement instanceof BreakStatement) { + return true; + } else if (statement instanceof IfStatement + && ((IfStatement) statement).checkUnreachable) { + return true; + } + return false; + } + + /** + * @param blockStart + * @param blockStatements + * @return + */ + private Block createBlock(int blockStart, ArrayList blockStatements) { + int blockEnd = scanner.getCurrentTokenEndPosition(); + Block b = Block.EmptyWith(blockStart, blockEnd); + b.statements = new Statement[blockStatements.size()]; + blockStatements.toArray(b.statements); + return b; + } + + private void functionBody(MethodDeclaration methodDecl) { + // '{' [statement-list] '}' + if (token == TokenNameLBRACE) { + getNextToken(); + } else { + methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1; + throwSyntaxError("'{' expected in compound-statement."); + } + if (token != TokenNameRBRACE) { + statementList(); + } + if (token == TokenNameRBRACE) { + methodDecl.sourceEnd = scanner.getCurrentTokenEndPosition(); + getNextToken(); + } else { + methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1; + throwSyntaxError("'}' expected in compound-statement."); + } + } + + private Statement statement() { + Statement statement = null; + Expression expression; + int sourceStart = scanner.getCurrentTokenStartPosition(); + int sourceEnd; + if (token == TokenNameif) { + // T_IF '(' expr ')' statement elseif_list else_single + // T_IF '(' expr ')' ':' inner_statement_list new_elseif_list + // new_else_single T_ENDIF ';' + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + } else { + throwSyntaxError("'(' expected after 'if' keyword."); + } + expression = expr(); + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + throwSyntaxError("')' expected after 'if' condition."); + } + // create basic IfStatement + IfStatement ifStatement = new IfStatement(expression, null, null, + sourceStart, -1); + if (token == TokenNameCOLON) { + getNextToken(); + ifStatementColon(ifStatement); + } else { + ifStatement(ifStatement); + } + return ifStatement; + } else if (token == TokenNameswitch) { + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + } else { + throwSyntaxError("'(' expected after 'switch' keyword."); + } + expr(); + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + throwSyntaxError("')' expected after 'switch' condition."); + } + switchStatement(); + return statement; + } else if (token == TokenNamefor) { + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + } else { + throwSyntaxError("'(' expected after 'for' keyword."); + } + if (token == TokenNameSEMICOLON) { + getNextToken(); + } else { + expressionList(); + if (token == TokenNameSEMICOLON) { + getNextToken(); + } else { + throwSyntaxError("';' expected after 'for'."); + } + } + if (token == TokenNameSEMICOLON) { + getNextToken(); + } else { + expressionList(); + if (token == TokenNameSEMICOLON) { + getNextToken(); + } else { + throwSyntaxError("';' expected after 'for'."); + } + } + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + expressionList(); + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + throwSyntaxError("')' expected after 'for'."); + } + } + forStatement(); + return statement; + } else if (token == TokenNamewhile) { + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + } else { + throwSyntaxError("'(' expected after 'while' keyword."); + } + expr(); + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + throwSyntaxError("')' expected after 'while' condition."); + } + whileStatement(); + return statement; + } else if (token == TokenNamedo) { + getNextToken(); + if (token == TokenNameLBRACE) { + getNextToken(); + if (token != TokenNameRBRACE) { + statementList(); + } + if (token == TokenNameRBRACE) { + getNextToken(); + } else { + throwSyntaxError("'}' expected after 'do' keyword."); + } + } else { + statement(); + } + if (token == TokenNamewhile) { + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + } else { + throwSyntaxError("'(' expected after 'while' keyword."); + } + expr(); + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + throwSyntaxError("')' expected after 'while' condition."); + } + } else { + throwSyntaxError("'while' expected after 'do' keyword."); + } + if (token == TokenNameSEMICOLON) { + getNextToken(); + } else { + if (token != TokenNameINLINE_HTML) { + throwSyntaxError("';' expected after do-while statement."); + } + getNextToken(); + } + return statement; + } else if (token == TokenNameforeach) { + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + } else { + throwSyntaxError("'(' expected after 'foreach' keyword."); + } + expr(); + if (token == TokenNameas) { + getNextToken(); + } else { + throwSyntaxError("'as' expected after 'foreach' exxpression."); + } + // variable(); + foreach_variable(); + foreach_optional_arg(); + if (token == TokenNameEQUAL_GREATER) { + getNextToken(); + variable(false, false); + } + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + throwSyntaxError("')' expected after 'foreach' expression."); + } + foreachStatement(); + return statement; + } else if (token == TokenNamebreak) { + expression = null; + getNextToken(); + if (token != TokenNameSEMICOLON) { + expression = expr(); + } + if (token == TokenNameSEMICOLON) { + sourceEnd = scanner.getCurrentTokenEndPosition(); + getNextToken(); + } else { + if (token != TokenNameINLINE_HTML) { + throwSyntaxError("';' expected after 'break'."); + } + sourceEnd = scanner.getCurrentTokenEndPosition(); + getNextToken(); + } + return new BreakStatement(null, sourceStart, sourceEnd); + } else if (token == TokenNamecontinue) { + expression = null; + getNextToken(); + if (token != TokenNameSEMICOLON) { + expression = expr(); + } + if (token == TokenNameSEMICOLON) { + sourceEnd = scanner.getCurrentTokenEndPosition(); + getNextToken(); + } else { + if (token != TokenNameINLINE_HTML) { + throwSyntaxError("';' expected after 'continue'."); + } + sourceEnd = scanner.getCurrentTokenEndPosition(); + getNextToken(); + } + return new ContinueStatement(null, sourceStart, sourceEnd); + } else if (token == TokenNamereturn) { + expression = null; + getNextToken(); + if (token != TokenNameSEMICOLON) { + expression = expr(); + } + if (token == TokenNameSEMICOLON) { + sourceEnd = scanner.getCurrentTokenEndPosition(); + getNextToken(); + } else { + if (token != TokenNameINLINE_HTML) { + throwSyntaxError("';' expected after 'return'."); + } + sourceEnd = scanner.getCurrentTokenEndPosition(); + getNextToken(); + } + return new ReturnStatement(expression, sourceStart, sourceEnd); + } else if (token == TokenNameecho) { + getNextToken(); + expressionList(); + if (token == TokenNameSEMICOLON) { + getNextToken(); + } else { + if (token != TokenNameINLINE_HTML) { + throwSyntaxError("';' expected after 'echo' statement."); + } + getNextToken(); + } + return statement; + } else if (token == TokenNameECHO_INVISIBLE) { + // 0-length token directly after PHP short tag <?= + getNextToken(); + expressionList(); + if (token == TokenNameSEMICOLON) { + getNextToken(); + // if (token != TokenNameINLINE_HTML) { + // // TODO should this become a configurable warning? + // reportSyntaxError("Probably '?>' expected after PHP short tag + // expression (only the first expression will be echoed)."); + // } + } else { + if (token != TokenNameINLINE_HTML) { + throwSyntaxError("';' expected after PHP short tag ' sourceEnd) { + sourceEnd = methodDecl.declarationSourceStart + 1; + } + methodDecl.declarationSourceEnd = sourceEnd; + methodDecl.sourceEnd = sourceEnd; + } + return statement; + } else if (token == TokenNamedeclare) { + // T_DECLARE '(' declare_list ')' declare_statement + getNextToken(); + if (token != TokenNameLPAREN) { + throwSyntaxError("'(' expected in 'declare' statement."); + } + getNextToken(); + declare_list(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected in 'declare' statement."); + } + getNextToken(); + declare_statement(); + return statement; + } else if (token == TokenNametry) { + getNextToken(); + if (token != TokenNameLBRACE) { + throwSyntaxError("'{' expected in 'try' statement."); + } + getNextToken(); + statementList(); + if (token != TokenNameRBRACE) { + throwSyntaxError("'}' expected in 'try' statement."); + } + getNextToken(); + return statement; + } else if (token == TokenNamecatch) { + getNextToken(); + if (token != TokenNameLPAREN) { + throwSyntaxError("'(' expected in 'catch' statement."); + } + getNextToken(); + fully_qualified_class_name(); + if (token != TokenNameVariable) { + throwSyntaxError("Variable expected in 'catch' statement."); + } + addVariableSet(); + getNextToken(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected in 'catch' statement."); + } + getNextToken(); + if (token != TokenNameLBRACE) { + throwSyntaxError("'{' expected in 'catch' statement."); + } + getNextToken(); + if (token != TokenNameRBRACE) { + statementList(); + if (token != TokenNameRBRACE) { + throwSyntaxError("'}' expected in 'catch' statement."); + } + } + getNextToken(); + additional_catches(); + return statement; + } else if (token == TokenNamethrow) { + getNextToken(); + expr(); + if (token == TokenNameSEMICOLON) { + getNextToken(); + } else { + throwSyntaxError("';' expected after 'throw' exxpression."); + } + return statement; + } else if (token == TokenNamefinal || token == TokenNameabstract + || token == TokenNameclass || token == TokenNameinterface) { + try { + TypeDeclaration typeDecl = new TypeDeclaration( + this.compilationUnit.compilationResult); + typeDecl.declarationSourceStart = scanner + .getCurrentTokenStartPosition(); + typeDecl.declarationSourceEnd = scanner + .getCurrentTokenEndPosition(); + typeDecl.name = new char[] { ' ' }; + // default super class + typeDecl.superclass = new SingleTypeReference( + TypeConstants.OBJECT, 0); + compilationUnit.types.add(typeDecl); + pushOnAstStack(typeDecl); + unticked_class_declaration_statement(typeDecl); + } finally { + // reduce stack: + astPtr--; + astLengthPtr--; + } + return statement; + // } else { + // throwSyntaxError("Unexpected keyword '" + keyword + "'"); + } else if (token == TokenNameLBRACE) { + getNextToken(); + if (token != TokenNameRBRACE) { + statement = statementList(); + } + if (token == TokenNameRBRACE) { + getNextToken(); + return statement; + } else { + throwSyntaxError("'}' expected."); + } + } else { + if (token != TokenNameSEMICOLON) { + expr(); + } + if (token == TokenNameSEMICOLON) { + getNextToken(); + return statement; + } else { + if (token == TokenNameRBRACE) { + reportSyntaxError("';' expected after expression (Found token: " + + scanner.toStringAction(token) + ")"); + } else { + if (token != TokenNameINLINE_HTML && token != TokenNameEOF) { + throwSyntaxError("';' expected after expression (Found token: " + + scanner.toStringAction(token) + ")"); + } + getNextToken(); + } + } + } + // may be null + return statement; + } + + private void declare_statement() { + // statement + // | ':' inner_statement_list T_ENDDECLARE ';' + // ; + if (token == TokenNameCOLON) { + getNextToken(); + // TODO: implement inner_statement_list(); + statementList(); + if (token != TokenNameenddeclare) { + throwSyntaxError("'enddeclare' expected in 'declare' statement."); + } + getNextToken(); + if (token != TokenNameSEMICOLON) { + throwSyntaxError("';' expected after 'enddeclare' keyword."); + } + getNextToken(); + } else { + statement(); + } + } + + private void declare_list() { + // T_STRING '=' static_scalar + // | declare_list ',' T_STRING '=' static_scalar + while (true) { + if (token != TokenNameIdentifier) { + throwSyntaxError("Identifier expected in 'declare' list."); + } + getNextToken(); + if (token != TokenNameEQUAL) { + throwSyntaxError("'=' expected in 'declare' list."); + } + getNextToken(); + static_scalar(); + if (token != TokenNameCOMMA) { + break; + } + getNextToken(); + } + } + + private void additional_catches() { + while (token == TokenNamecatch) { + getNextToken(); + if (token != TokenNameLPAREN) { + throwSyntaxError("'(' expected in 'catch' statement."); + } + getNextToken(); + fully_qualified_class_name(); + if (token != TokenNameVariable) { + throwSyntaxError("Variable expected in 'catch' statement."); + } + addVariableSet(); + getNextToken(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected in 'catch' statement."); + } + getNextToken(); + if (token != TokenNameLBRACE) { + throwSyntaxError("'{' expected in 'catch' statement."); + } + getNextToken(); + if (token != TokenNameRBRACE) { + statementList(); + } + if (token != TokenNameRBRACE) { + throwSyntaxError("'}' expected in 'catch' statement."); + } + getNextToken(); + } + } + + private void foreach_variable() { + // w_variable + // | '&' w_variable + if (token == TokenNameAND) { + getNextToken(); + } + w_variable(true); + } + + private void foreach_optional_arg() { + // /* empty */ + // | T_DOUBLE_ARROW foreach_variable + if (token == TokenNameEQUAL_GREATER) { + getNextToken(); + foreach_variable(); + } + } + + private void global_var_list() { + // global_var_list: + // global_var_list ',' global_var + // | global_var + HashSet set = peekVariableSet(); + while (true) { + global_var(set); + if (token != TokenNameCOMMA) { + break; + } + getNextToken(); + } + } + + private void global_var(HashSet set) { + // global_var: + // T_VARIABLE + // | '$' r_variable + // | '$' '{' expr '}' + if (token == TokenNameVariable) { + if (fMethodVariables != null) { + VariableInfo info = new VariableInfo(scanner + .getCurrentTokenStartPosition(), + VariableInfo.LEVEL_GLOBAL_VAR); + fMethodVariables.put(new String(scanner + .getCurrentIdentifierSource()), info); + } + addVariableSet(set); + getNextToken(); + } else if (token == TokenNameDOLLAR) { + getNextToken(); + if (token == TokenNameLBRACE) { + getNextToken(); + expr(); + if (token != TokenNameRBRACE) { + throwSyntaxError("'}' expected in global variable."); + } + getNextToken(); + } else { + r_variable(); + } + } + } + + private void static_var_list() { + // static_var_list: + // static_var_list ',' T_VARIABLE + // | static_var_list ',' T_VARIABLE '=' static_scalar + // | T_VARIABLE + // | T_VARIABLE '=' static_scalar, + HashSet set = peekVariableSet(); + while (true) { + if (token == TokenNameVariable) { + if (fMethodVariables != null) { + VariableInfo info = new VariableInfo(scanner + .getCurrentTokenStartPosition(), + VariableInfo.LEVEL_STATIC_VAR); + fMethodVariables.put(new String(scanner + .getCurrentIdentifierSource()), info); + } + addVariableSet(set); + getNextToken(); + if (token == TokenNameEQUAL) { + getNextToken(); + static_scalar(); + } + if (token != TokenNameCOMMA) { + break; + } + getNextToken(); + } else { + break; + } + } + } + + private void unset_variables() { + // unset_variables: + // unset_variable + // | unset_variables ',' unset_variable + // unset_variable: + // variable + while (true) { + variable(false, false); + if (token != TokenNameCOMMA) { + break; + } + getNextToken(); + } + } + + private final void initializeModifiers() { + this.modifiers = 0; + this.modifiersSourceStart = -1; + } + + private final void checkAndSetModifiers(int flag) { + this.modifiers |= flag; + if (this.modifiersSourceStart < 0) + this.modifiersSourceStart = this.scanner.startPosition; + } + + private void unticked_class_declaration_statement(TypeDeclaration typeDecl) { + initializeModifiers(); + if (token == TokenNameinterface) { + // interface_entry T_STRING + // interface_extends_list + // '{' class_statement_list '}' + checkAndSetModifiers(AccInterface); + getNextToken(); + typeDecl.modifiers = this.modifiers; + typeDecl.sourceStart = scanner.getCurrentTokenStartPosition(); + typeDecl.sourceEnd = scanner.getCurrentTokenEndPosition(); + if (token == TokenNameIdentifier || token > TokenNameKEYWORD) { + typeDecl.name = scanner.getCurrentIdentifierSource(); + if (token > TokenNameKEYWORD) { + problemReporter.phpKeywordWarning(new String[] { scanner + .toStringAction(token) }, scanner + .getCurrentTokenStartPosition(), scanner + .getCurrentTokenEndPosition(), referenceContext, + compilationUnit.compilationResult); + // throwSyntaxError("Don't use a keyword for interface + // declaration [" + // + scanner.toStringAction(token) + "].", + // typeDecl.sourceStart, typeDecl.sourceEnd); + } + getNextToken(); + interface_extends_list(typeDecl); + } else { + typeDecl.name = new char[] { ' ' }; + throwSyntaxError( + "Interface name expected after keyword 'interface'.", + typeDecl.sourceStart, typeDecl.sourceEnd); + return; + } + } else { + // class_entry_type T_STRING extends_from + // implements_list + // '{' class_statement_list'}' + class_entry_type(); + typeDecl.modifiers = this.modifiers; + typeDecl.sourceStart = scanner.getCurrentTokenStartPosition(); + typeDecl.sourceEnd = scanner.getCurrentTokenEndPosition(); + // identifier + // identifier 'extends' identifier + if (token == TokenNameIdentifier || token > TokenNameKEYWORD) { + typeDecl.name = scanner.getCurrentIdentifierSource(); + if (token > TokenNameKEYWORD) { + problemReporter.phpKeywordWarning(new String[] { scanner + .toStringAction(token) }, scanner + .getCurrentTokenStartPosition(), scanner + .getCurrentTokenEndPosition(), referenceContext, + compilationUnit.compilationResult); + // throwSyntaxError("Don't use a keyword for class + // declaration [" + + // scanner.toStringAction(token) + "].", + // typeDecl.sourceStart, typeDecl.sourceEnd); + } + getNextToken(); + // extends_from: + // /* empty */ + // | T_EXTENDS fully_qualified_class_name + if (token == TokenNameextends) { + class_extends_list(typeDecl); + // getNextToken(); + // if (token != TokenNameIdentifier) { + // throwSyntaxError("Class name expected after keyword + // 'extends'.", + // scanner.getCurrentTokenStartPosition(), scanner + // .getCurrentTokenEndPosition()); + // } + } + implements_list(typeDecl); + } else { + typeDecl.name = new char[] { ' ' }; + throwSyntaxError("Class name expected after keyword 'class'.", + typeDecl.sourceStart, typeDecl.sourceEnd); + return; + } + } + // '{' class_statement_list '}' + if (token == TokenNameLBRACE) { + getNextToken(); + if (token != TokenNameRBRACE) { + ArrayList list = new ArrayList(); + class_statement_list(list); + typeDecl.fields = new FieldDeclaration[list.size()]; + for (int i = 0; i < list.size(); i++) { + typeDecl.fields[i] = (FieldDeclaration) list.get(i); + } + } + if (token == TokenNameRBRACE) { + typeDecl.declarationSourceEnd = scanner + .getCurrentTokenEndPosition(); + getNextToken(); + } else { + throwSyntaxError("'}' expected at end of class body."); + } + } else { + throwSyntaxError("'{' expected at start of class body."); + } + } + + private void class_entry_type() { + // T_CLASS + // | T_ABSTRACT T_CLASS + // | T_FINAL T_CLASS + if (token == TokenNameclass) { + getNextToken(); + } else if (token == TokenNameabstract) { + checkAndSetModifiers(AccAbstract); + getNextToken(); + if (token != TokenNameclass) { + throwSyntaxError("Keyword 'class' expected after keyword 'abstract'."); + } + getNextToken(); + } else if (token == TokenNamefinal) { + checkAndSetModifiers(AccFinal); + getNextToken(); + if (token != TokenNameclass) { + throwSyntaxError("Keyword 'class' expected after keyword 'final'."); + } + getNextToken(); + } else { + throwSyntaxError("Keyword 'class' 'final' or 'abstract' expected"); + } + } + + // private void class_extends(TypeDeclaration typeDecl) { + // // /* empty */ + // // | T_EXTENDS interface_list + // if (token == TokenNameextends) { + // getNextToken(); + // + // if (token == TokenNameIdentifier) { + // getNextToken(); + // } else { + // throwSyntaxError("Class name expected after keyword 'extends'."); + // } + // } + // } + + private void interface_extends_list(TypeDeclaration typeDecl) { + // /* empty */ + // | T_EXTENDS interface_list + if (token == TokenNameextends) { + getNextToken(); + interface_list(typeDecl); + } + } + + private void class_extends_list(TypeDeclaration typeDecl) { + // /* empty */ + // | T_EXTENDS interface_list + if (token == TokenNameextends) { + getNextToken(); + class_list(typeDecl); + } + } + + private void implements_list(TypeDeclaration typeDecl) { + // /* empty */ + // | T_IMPLEMENTS interface_list + if (token == TokenNameimplements) { + getNextToken(); + interface_list(typeDecl); + } + } + + private void class_list(TypeDeclaration typeDecl) { + // class_list: + // fully_qualified_class_name + do { + if (token == TokenNameIdentifier) { + //char[] ident = scanner.getCurrentIdentifierSource(); + // TODO make this code working better: + // SingleTypeReference ref = + // ParserUtil.getTypeReference(scanner, + // includesList, ident); + // if (ref != null) { + // typeDecl.superclass = ref; + // } + getNextToken(); + } else { + throwSyntaxError("Classname expected after keyword 'extends'."); + } + if (token == TokenNameCOMMA) { + reportSyntaxError("No multiple inheritance allowed. Expected token 'implements' or '{'."); + getNextToken(); + continue; + } else { + break; + } + } while (true); + } + + private void interface_list(TypeDeclaration typeDecl) { + // interface_list: + // fully_qualified_class_name + // | interface_list ',' fully_qualified_class_name + do { + if (token == TokenNameIdentifier) { + getNextToken(); + } else { + throwSyntaxError("Interfacename expected after keyword 'implements'."); + } + if (token != TokenNameCOMMA) { + return; + } + getNextToken(); + } while (true); + } + + // private void classBody(TypeDeclaration typeDecl) { + // //'{' [class-element-list] '}' + // if (token == TokenNameLBRACE) { + // getNextToken(); + // if (token != TokenNameRBRACE) { + // class_statement_list(); + // } + // if (token == TokenNameRBRACE) { + // typeDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition(); + // getNextToken(); + // } else { + // throwSyntaxError("'}' expected at end of class body."); + // } + // } else { + // throwSyntaxError("'{' expected at start of class body."); + // } + // } + private void class_statement_list(ArrayList list) { + do { + try { + class_statement(list); + if (token == TokenNamepublic || token == TokenNameprotected + || token == TokenNameprivate + || token == TokenNamestatic + || token == TokenNameabstract + || token == TokenNamefinal + || token == TokenNamefunction || token == TokenNamevar + || token == TokenNameconst) { + continue; + } + if (token == TokenNameRBRACE) { + break; + } + throwSyntaxError("'}' at end of class statement."); + } catch (SyntaxError sytaxErr1) { + boolean tokenize = scanner.tokenizeStrings; + if (!tokenize) { + scanner.tokenizeStrings = true; + } + try { + // if an error occured, + // try to find keywords + // to parse the rest of the string + while (token != TokenNameEOF) { + if (token == TokenNamepublic + || token == TokenNameprotected + || token == TokenNameprivate + || token == TokenNamestatic + || token == TokenNameabstract + || token == TokenNamefinal + || token == TokenNamefunction + || token == TokenNamevar + || token == TokenNameconst) { + break; + } + // System.out.println(scanner.toStringAction(token)); + getNextToken(); + } + if (token == TokenNameEOF) { + throw sytaxErr1; + } + } finally { + scanner.tokenizeStrings = tokenize; + } + } + } while (true); + } + + private void class_statement(ArrayList list) { + // class_statement: + // variable_modifiers class_variable_declaration ';' + // | class_constant_declaration ';' + // | method_modifiers T_FUNCTION is_reference T_STRING + // '(' parameter_list ')' method_body + initializeModifiers(); + int declarationSourceStart = scanner.getCurrentTokenStartPosition(); + + if (token == TokenNamevar) { + checkAndSetModifiers(AccPublic); + problemReporter.phpVarDeprecatedWarning(scanner + .getCurrentTokenStartPosition(), scanner + .getCurrentTokenEndPosition(), referenceContext, + compilationUnit.compilationResult); + getNextToken(); + class_variable_declaration(declarationSourceStart, list); + } else if (token == TokenNameconst) { + checkAndSetModifiers(AccFinal | AccPublic); + class_constant_declaration(declarationSourceStart, list); + if (token != TokenNameSEMICOLON) { + throwSyntaxError("';' expected after class const declaration."); + } + getNextToken(); + } else { + boolean hasModifiers = member_modifiers(); + if (token == TokenNamefunction) { + if (!hasModifiers) { + checkAndSetModifiers(AccPublic); + } + MethodDeclaration methodDecl = new MethodDeclaration( + this.compilationUnit.compilationResult); + methodDecl.declarationSourceStart = scanner + .getCurrentTokenStartPosition(); + methodDecl.modifiers = this.modifiers; + methodDecl.type = MethodDeclaration.METHOD_DEFINITION; + try { + getNextToken(); + functionDefinition(methodDecl); + } finally { + int sourceEnd = methodDecl.sourceEnd; + if (sourceEnd <= 0 + || methodDecl.declarationSourceStart > sourceEnd) { + sourceEnd = methodDecl.declarationSourceStart + 1; + } + methodDecl.declarationSourceEnd = sourceEnd; + methodDecl.sourceEnd = sourceEnd; + } + } else { + if (!hasModifiers) { + throwSyntaxError("'public' 'private' or 'protected' modifier expected for field declarations."); + } + class_variable_declaration(declarationSourceStart, list); + } + } + } + + private void class_constant_declaration(int declarationSourceStart, + ArrayList list) { + // class_constant_declaration ',' T_STRING '=' static_scalar + // | T_CONST T_STRING '=' static_scalar + if (token != TokenNameconst) { + throwSyntaxError("'const' keyword expected in class declaration."); + } else { + getNextToken(); + } + while (true) { + if (token != TokenNameIdentifier) { + throwSyntaxError("Identifier expected in class const declaration."); + } + FieldDeclaration fieldDeclaration = new FieldDeclaration(scanner + .getCurrentIdentifierSource(), scanner + .getCurrentTokenStartPosition(), scanner + .getCurrentTokenEndPosition()); + fieldDeclaration.modifiers = this.modifiers; + fieldDeclaration.declarationSourceStart = declarationSourceStart; + fieldDeclaration.declarationSourceEnd = scanner + .getCurrentTokenEndPosition(); + fieldDeclaration.modifiersSourceStart = declarationSourceStart; + // fieldDeclaration.type + list.add(fieldDeclaration); + getNextToken(); + if (token != TokenNameEQUAL) { + throwSyntaxError("'=' expected in class const declaration."); + } + getNextToken(); + static_scalar(); + if (token != TokenNameCOMMA) { + break; // while(true)-loop + } + getNextToken(); + } + } + + // private void variable_modifiers() { + // // variable_modifiers: + // // non_empty_member_modifiers + // //| T_VAR + // initializeModifiers(); + // if (token == TokenNamevar) { + // checkAndSetModifiers(AccPublic); + // reportSyntaxError( + // "Keyword 'var' is deprecated. Please use 'public' 'private' or + // 'protected' + // modifier for field declarations.", + // scanner.getCurrentTokenStartPosition(), scanner + // .getCurrentTokenEndPosition()); + // getNextToken(); + // } else { + // if (!member_modifiers()) { + // throwSyntaxError("'public' 'private' or 'protected' modifier expected for + // field declarations."); + // } + // } + // } + // private void method_modifiers() { + // //method_modifiers: + // // /* empty */ + // //| non_empty_member_modifiers + // initializeModifiers(); + // if (!member_modifiers()) { + // checkAndSetModifiers(AccPublic); + // } + // } + private boolean member_modifiers() { + // T_PUBLIC + // | T_PROTECTED + // | T_PRIVATE + // | T_STATIC + // | T_ABSTRACT + // | T_FINAL + boolean foundToken = false; + while (true) { + if (token == TokenNamepublic) { + checkAndSetModifiers(AccPublic); + getNextToken(); + foundToken = true; + } else if (token == TokenNameprotected) { + checkAndSetModifiers(AccProtected); + getNextToken(); + foundToken = true; + } else if (token == TokenNameprivate) { + checkAndSetModifiers(AccPrivate); + getNextToken(); + foundToken = true; + } else if (token == TokenNamestatic) { + checkAndSetModifiers(AccStatic); + getNextToken(); + foundToken = true; + } else if (token == TokenNameabstract) { + checkAndSetModifiers(AccAbstract); + getNextToken(); + foundToken = true; + } else if (token == TokenNamefinal) { + checkAndSetModifiers(AccFinal); + getNextToken(); + foundToken = true; + } else { + break; + } + } + return foundToken; + } + + private void class_variable_declaration(int declarationSourceStart, + ArrayList list) { + // class_variable_declaration: + // class_variable_declaration ',' T_VARIABLE + // | class_variable_declaration ',' T_VARIABLE '=' static_scalar + // | T_VARIABLE + // | T_VARIABLE '=' static_scalar + char[] classVariable; + do { + if (token == TokenNameVariable) { + classVariable = scanner.getCurrentIdentifierSource(); + // indexManager.addIdentifierInformation('v', classVariable, + // buf, -1, + // -1); + FieldDeclaration fieldDeclaration = new FieldDeclaration( + classVariable, scanner.getCurrentTokenStartPosition(), + scanner.getCurrentTokenEndPosition()); + fieldDeclaration.modifiers = this.modifiers; + fieldDeclaration.declarationSourceStart = declarationSourceStart; + fieldDeclaration.declarationSourceEnd = scanner + .getCurrentTokenEndPosition(); + fieldDeclaration.modifiersSourceStart = declarationSourceStart; + list.add(fieldDeclaration); + if (fTypeVariables != null) { + VariableInfo info = new VariableInfo(scanner + .getCurrentTokenStartPosition(), + VariableInfo.LEVEL_CLASS_UNIT); + fTypeVariables.put(new String(scanner + .getCurrentIdentifierSource()), info); + } + getNextToken(); + if (token == TokenNameEQUAL) { + getNextToken(); + static_scalar(); + } + } else { + // if (token == TokenNamethis) { + // throwSyntaxError("'$this' not allowed after keyword 'public' + // 'protected' 'private' 'var'."); + // } + throwSyntaxError("Variable expected after keyword 'public' 'protected' 'private' 'var'."); + } + if (token != TokenNameCOMMA) { + break; + } + getNextToken(); + } while (true); + if (token != TokenNameSEMICOLON) { + throwSyntaxError("';' expected after field declaration."); + } + getNextToken(); + } + + private void functionDefinition(MethodDeclaration methodDecl) { + boolean isAbstract = false; + if (astPtr == 0) { + if (compilationUnit != null) { + compilationUnit.types.add(methodDecl); + } + } else { + ASTNode node = astStack[astPtr]; + if (node instanceof TypeDeclaration) { + TypeDeclaration typeDecl = ((TypeDeclaration) node); + if (typeDecl.methods == null) { + typeDecl.methods = new AbstractMethodDeclaration[] { methodDecl }; + } else { + AbstractMethodDeclaration[] newMethods; + System + .arraycopy( + typeDecl.methods, + 0, + newMethods = new AbstractMethodDeclaration[typeDecl.methods.length + 1], + 0, typeDecl.methods.length); + newMethods[typeDecl.methods.length] = methodDecl; + typeDecl.methods = newMethods; + } + if ((typeDecl.modifiers & AccAbstract) == AccAbstract) { + isAbstract = true; + } else if ((typeDecl.modifiers & AccInterface) == AccInterface) { + isAbstract = true; + } + } + } + try { + pushFunctionVariableSet(); + functionDeclarator(methodDecl); + if (token == TokenNameSEMICOLON) { + if (!isAbstract) { + methodDecl.sourceEnd = scanner + .getCurrentTokenStartPosition() - 1; + throwSyntaxError("Body declaration expected for method: " + + new String(methodDecl.selector)); + } + getNextToken(); + return; + } + functionBody(methodDecl); + } finally { + if (!fStackUnassigned.isEmpty()) { + fStackUnassigned.remove(fStackUnassigned.size() - 1); + } + } + } + + private void functionDeclarator(MethodDeclaration methodDecl) { + // identifier '(' [parameter-list] ')' + if (token == TokenNameAND) { + getNextToken(); + } + methodDecl.sourceStart = scanner.getCurrentTokenStartPosition(); + methodDecl.sourceEnd = scanner.getCurrentTokenEndPosition(); + if (Scanner.isIdentifierOrKeyword(token)) { + methodDecl.selector = scanner.getCurrentIdentifierSource(); + if (token > TokenNameKEYWORD) { + problemReporter.phpKeywordWarning(new String[] { scanner + .toStringAction(token) }, scanner + .getCurrentTokenStartPosition(), scanner + .getCurrentTokenEndPosition(), referenceContext, + compilationUnit.compilationResult); + } + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + } else { + methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1; + throwSyntaxError("'(' expected in function declaration."); + } + if (token != TokenNameRPAREN) { + parameter_list(methodDecl); + } + if (token != TokenNameRPAREN) { + methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1; + throwSyntaxError("')' expected in function declaration."); + } else { + methodDecl.bodyStart = scanner.getCurrentTokenEndPosition() + 1; + getNextToken(); + } + } else { + methodDecl.selector = "".toCharArray(); + methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1; + throwSyntaxError("Function name expected after keyword 'function'."); + } + } + + // + private void parameter_list(MethodDeclaration methodDecl) { + // non_empty_parameter_list + // | /* empty */ + non_empty_parameter_list(methodDecl, true); + } + + private void non_empty_parameter_list(MethodDeclaration methodDecl, + boolean empty_allowed) { + // optional_class_type T_VARIABLE + // | optional_class_type '&' T_VARIABLE + // | optional_class_type '&' T_VARIABLE '=' static_scalar + // | optional_class_type T_VARIABLE '=' static_scalar + // | non_empty_parameter_list ',' optional_class_type T_VARIABLE + // | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE + // | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE '=' + // static_scalar + // | non_empty_parameter_list ',' optional_class_type T_VARIABLE '=' + // static_scalar + char[] typeIdentifier = null; + if (token == TokenNameIdentifier || token == TokenNamearray + || token == TokenNameVariable || token == TokenNameAND) { + HashSet set = peekVariableSet(); + while (true) { + if (token == TokenNameIdentifier || token == TokenNamearray) {// feature + // req. + // #1254275 + typeIdentifier = scanner.getCurrentIdentifierSource(); + getNextToken(); + } + if (token == TokenNameAND) { + getNextToken(); + } + if (token == TokenNameVariable) { + if (fMethodVariables != null) { + VariableInfo info; + if (methodDecl.type == MethodDeclaration.FUNCTION_DEFINITION) { + info = new VariableInfo(scanner + .getCurrentTokenStartPosition(), + VariableInfo.LEVEL_FUNCTION_DEFINITION); + } else { + info = new VariableInfo(scanner + .getCurrentTokenStartPosition(), + VariableInfo.LEVEL_METHOD_DEFINITION); + } + info.typeIdentifier = typeIdentifier; + fMethodVariables.put(new String(scanner + .getCurrentIdentifierSource()), info); + } + addVariableSet(set); + getNextToken(); + if (token == TokenNameEQUAL) { + getNextToken(); + static_scalar(); + } + } else { + throwSyntaxError("Variable expected in parameter list."); + } + if (token != TokenNameCOMMA) { + break; + } + getNextToken(); + } + return; + } + if (!empty_allowed) { + throwSyntaxError("Identifier expected in parameter list."); + } + } + +// private void optional_class_type() { +// // /* empty */ +// // | T_STRING +// } + + // private void parameterDeclaration() { + // //variable + // //variable-reference + // if (token == TokenNameAND) { + // getNextToken(); + // if (isVariable()) { + // getNextToken(); + // } else { + // throwSyntaxError("Variable expected after reference operator '&'."); + // } + // } + // //variable '=' constant + // if (token == TokenNameVariable) { + // getNextToken(); + // if (token == TokenNameEQUAL) { + // getNextToken(); + // static_scalar(); + // } + // return; + // } + // // if (token == TokenNamethis) { + // // throwSyntaxError("Reserved word '$this' not allowed in parameter + // // declaration."); + // // } + // } + + private void labeledStatementList() { + if (token != TokenNamecase && token != TokenNamedefault) { + throwSyntaxError("'case' or 'default' expected."); + } + do { + if (token == TokenNamecase) { + getNextToken(); + expr(); // constant(); + if (token == TokenNameCOLON || token == TokenNameSEMICOLON) { + getNextToken(); + if (token == TokenNameRBRACE) { + // empty case; assumes that the '}' token belongs to the + // wrapping + // switch statement - #1371992 + break; + } + if (token == TokenNamecase || token == TokenNamedefault) { + // empty case statement ? + continue; + } + statementList(); + } + // else if (token == TokenNameSEMICOLON) { + // setMarker( + // "':' expected after 'case' keyword (Found token: " + + // scanner.toStringAction(token) + ")", + // scanner.getCurrentTokenStartPosition(), + // scanner.getCurrentTokenEndPosition(), + // INFO); + // getNextToken(); + // if (token == TokenNamecase) { // empty case statement ? + // continue; + // } + // statementList(); + // } + else { + throwSyntaxError("':' character expected after 'case' constant (Found token: " + + scanner.toStringAction(token) + ")"); + } + } else { // TokenNamedefault + getNextToken(); + if (token == TokenNameCOLON || token == TokenNameSEMICOLON) { + getNextToken(); + if (token == TokenNameRBRACE) { + // empty default case; ; assumes that the '}' token + // belongs to the + // wrapping switch statement - #1371992 + break; + } + if (token != TokenNamecase) { + statementList(); + } + } else { + throwSyntaxError("':' character expected after 'default'."); + } + } + } while (token == TokenNamecase || token == TokenNamedefault); + } + + private void ifStatementColon(IfStatement iState) { + // T_IF '(' expr ')' ':' inner_statement_list new_elseif_list + // new_else_single T_ENDIF ';' + HashSet assignedVariableSet = null; + try { + Block b = inner_statement_list(); + iState.thenStatement = b; + checkUnreachable(iState, b); + } finally { + assignedVariableSet = removeIfVariableSet(); + } + if (token == TokenNameelseif) { + try { + pushIfVariableSet(); + new_elseif_list(iState); + } finally { + HashSet set = removeIfVariableSet(); + if (assignedVariableSet != null && set != null) { + assignedVariableSet.addAll(set); + } + } + } + try { + pushIfVariableSet(); + new_else_single(iState); + } finally { + HashSet set = removeIfVariableSet(); + if (assignedVariableSet != null) { + HashSet topSet = peekVariableSet(); + if (topSet != null) { + if (set != null) { + topSet.addAll(set); + } + topSet.addAll(assignedVariableSet); + } + } + } + if (token != TokenNameendif) { + throwSyntaxError("'endif' expected."); + } + getNextToken(); + if (token != TokenNameSEMICOLON && token != TokenNameINLINE_HTML) { + reportSyntaxError("';' expected after if-statement."); + iState.sourceEnd = scanner.getCurrentTokenStartPosition(); + } else { + iState.sourceEnd = scanner.getCurrentTokenEndPosition(); + getNextToken(); + } + } + + private void ifStatement(IfStatement iState) { + // T_IF '(' expr ')' statement elseif_list else_single + HashSet assignedVariableSet = null; + try { + pushIfVariableSet(); + Statement s = statement(); + iState.thenStatement = s; + checkUnreachable(iState, s); + } finally { + assignedVariableSet = removeIfVariableSet(); + } + + if (token == TokenNameelseif) { + try { + pushIfVariableSet(); + elseif_list(iState); + } finally { + HashSet set = removeIfVariableSet(); + if (assignedVariableSet != null && set != null) { + assignedVariableSet.addAll(set); + } + } + } + try { + pushIfVariableSet(); + else_single(iState); + } finally { + HashSet set = removeIfVariableSet(); + if (assignedVariableSet != null) { + HashSet topSet = peekVariableSet(); + if (topSet != null) { + if (set != null) { + topSet.addAll(set); + } + topSet.addAll(assignedVariableSet); + } + } + } + } + + private void elseif_list(IfStatement iState) { + // /* empty */ + // | elseif_list T_ELSEIF '(' expr ')' statement + ArrayList conditionList = new ArrayList(); + ArrayList statementList = new ArrayList(); + Expression e; + Statement s; + while (token == TokenNameelseif) { + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + } else { + throwSyntaxError("'(' expected after 'elseif' keyword."); + } + e = expr(); + conditionList.add(e); + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + throwSyntaxError("')' expected after 'elseif' condition."); + } + s = statement(); + statementList.add(s); + checkUnreachable(iState, s); + } + iState.elseifConditions = new Expression[conditionList.size()]; + iState.elseifStatements = new Statement[statementList.size()]; + conditionList.toArray(iState.elseifConditions); + statementList.toArray(iState.elseifStatements); + } + + private void new_elseif_list(IfStatement iState) { + // /* empty */ + // | new_elseif_list T_ELSEIF '(' expr ')' ':' inner_statement_list + ArrayList conditionList = new ArrayList(); + ArrayList statementList = new ArrayList(); + Expression e; + Block b; + while (token == TokenNameelseif) { + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + } else { + throwSyntaxError("'(' expected after 'elseif' keyword."); + } + e = expr(); + conditionList.add(e); + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + throwSyntaxError("')' expected after 'elseif' condition."); + } + if (token == TokenNameCOLON) { + getNextToken(); + } else { + throwSyntaxError("':' expected after 'elseif' keyword."); + } + b = inner_statement_list(); + statementList.add(b); + checkUnreachable(iState, b); + } + iState.elseifConditions = new Expression[conditionList.size()]; + iState.elseifStatements = new Statement[statementList.size()]; + conditionList.toArray(iState.elseifConditions); + statementList.toArray(iState.elseifStatements); + } + + private void else_single(IfStatement iState) { + // /* empty */ + // T_ELSE statement + if (token == TokenNameelse) { + getNextToken(); + Statement s = statement(); + iState.elseStatement = s; + checkUnreachable(iState, s); + } else { + iState.checkUnreachable = false; + } + iState.sourceEnd = scanner.getCurrentTokenStartPosition(); + } + + private void new_else_single(IfStatement iState) { + // /* empty */ + // | T_ELSE ':' inner_statement_list + if (token == TokenNameelse) { + getNextToken(); + if (token == TokenNameCOLON) { + getNextToken(); + } else { + throwSyntaxError("':' expected after 'else' keyword."); + } + Block b = inner_statement_list(); + iState.elseStatement = b; + checkUnreachable(iState, b); + } else { + iState.checkUnreachable = false; + } + } + + private Block inner_statement_list() { + // inner_statement_list inner_statement + // /* empty */ + return statementList(); + } + + /** + * @param iState + * @param b + */ + private void checkUnreachable(IfStatement iState, Statement s) { + if (s instanceof Block) { + Block b = (Block) s; + if (b.statements == null || b.statements.length == 0) { + iState.checkUnreachable = false; + } else { + int off = b.statements.length - 1; + if (!(b.statements[off] instanceof ReturnStatement) + && !(b.statements[off] instanceof ContinueStatement) + && !(b.statements[off] instanceof BreakStatement)) { + if (!(b.statements[off] instanceof IfStatement) + || !((IfStatement) b.statements[off]).checkUnreachable) { + iState.checkUnreachable = false; + } + } + } + } else { + if (!(s instanceof ReturnStatement) + && !(s instanceof ContinueStatement) + && !(s instanceof BreakStatement)) { + if (!(s instanceof IfStatement) + || !((IfStatement) s).checkUnreachable) { + iState.checkUnreachable = false; + } + } + } + } + + // private void elseifStatementList() { + // do { + // elseifStatement(); + // switch (token) { + // case TokenNameelse: + // getNextToken(); + // if (token == TokenNameCOLON) { + // getNextToken(); + // if (token != TokenNameendif) { + // statementList(); + // } + // return; + // } else { + // if (token == TokenNameif) { //'else if' + // getNextToken(); + // } else { + // throwSyntaxError("':' expected after 'else'."); + // } + // } + // break; + // case TokenNameelseif: + // getNextToken(); + // break; + // default: + // return; + // } + // } while (true); + // } + + // private void elseifStatement() { + // if (token == TokenNameLPAREN) { + // getNextToken(); + // expr(); + // if (token != TokenNameRPAREN) { + // throwSyntaxError("')' expected in else-if-statement."); + // } + // getNextToken(); + // if (token != TokenNameCOLON) { + // throwSyntaxError("':' expected in else-if-statement."); + // } + // getNextToken(); + // if (token != TokenNameendif) { + // statementList(); + // } + // } + // } + + private void switchStatement() { + if (token == TokenNameCOLON) { + // ':' [labeled-statement-list] 'endswitch' ';' + getNextToken(); + labeledStatementList(); + if (token != TokenNameendswitch) { + throwSyntaxError("'endswitch' expected."); + } + getNextToken(); + if (token != TokenNameSEMICOLON && token != TokenNameINLINE_HTML) { + throwSyntaxError("';' expected after switch-statement."); + } + getNextToken(); + } else { + // '{' [labeled-statement-list] '}' + if (token != TokenNameLBRACE) { + throwSyntaxError("'{' expected in switch statement."); + } + getNextToken(); + if (token != TokenNameRBRACE) { + labeledStatementList(); + } + if (token != TokenNameRBRACE) { + throwSyntaxError("'}' expected in switch statement."); + } + getNextToken(); + } + } + + private void forStatement() { + if (token == TokenNameCOLON) { + getNextToken(); + statementList(); + if (token != TokenNameendfor) { + throwSyntaxError("'endfor' expected."); + } + getNextToken(); + if (token != TokenNameSEMICOLON && token != TokenNameINLINE_HTML) { + throwSyntaxError("';' expected after for-statement."); + } + getNextToken(); + } else { + statement(); + } + } + + private void whileStatement() { + // ':' statement-list 'endwhile' ';' + if (token == TokenNameCOLON) { + getNextToken(); + statementList(); + if (token != TokenNameendwhile) { + throwSyntaxError("'endwhile' expected."); + } + getNextToken(); + if (token != TokenNameSEMICOLON && token != TokenNameINLINE_HTML) { + throwSyntaxError("';' expected after while-statement."); + } + getNextToken(); + } else { + statement(); + } + } + + private void foreachStatement() { + if (token == TokenNameCOLON) { + getNextToken(); + statementList(); + if (token != TokenNameendforeach) { + throwSyntaxError("'endforeach' expected."); + } + getNextToken(); + if (token != TokenNameSEMICOLON && token != TokenNameINLINE_HTML) { + throwSyntaxError("';' expected after foreach-statement."); + } + getNextToken(); + } else { + statement(); + } + } + + // private void exitStatus() { + // if (token == TokenNameLPAREN) { + // getNextToken(); + // } else { + // throwSyntaxError("'(' expected in 'exit-status'."); + // } + // if (token != TokenNameRPAREN) { + // expression(); + // } + // if (token == TokenNameRPAREN) { + // getNextToken(); + // } else { + // throwSyntaxError("')' expected after 'exit-status'."); + // } + // } + private void expressionList() { + do { + expr(); + if (token == TokenNameCOMMA) { + getNextToken(); + } else { + break; + } + } while (true); + } + + private Expression expr() { + // r_variable + // | expr_without_variable + // if (token!=TokenNameEOF) { + if (Scanner.TRACE) { + System.out.println("TRACE: expr()"); + } + return expr_without_variable(true, null); + // } + } + + private Expression expr_without_variable(boolean only_variable, + UninitializedVariableHandler initHandler) { + int exprSourceStart = scanner.getCurrentTokenStartPosition(); + int exprSourceEnd = scanner.getCurrentTokenEndPosition(); + Expression expression = new Expression(); + expression.sourceStart = exprSourceStart; + // default, may be overwritten + expression.sourceEnd = exprSourceEnd; + try { + // internal_functions_in_yacc + // | T_CLONE expr + // | T_PRINT expr + // | '(' expr ')' + // | '@' expr + // | '+' expr + // | '-' expr + // | '!' expr + // | '~' expr + // | T_INC rw_variable + // | T_DEC rw_variable + // | T_INT_CAST expr + // | T_DOUBLE_CAST expr + // | T_STRING_CAST expr + // | T_ARRAY_CAST expr + // | T_OBJECT_CAST expr + // | T_BOOL_CAST expr + // | T_UNSET_CAST expr + // | T_EXIT exit_expr + // | scalar + // | T_ARRAY '(' array_pair_list ')' + // | '`' encaps_list '`' + // | T_LIST '(' assignment_list ')' '=' expr + // | T_NEW class_name_reference ctor_arguments + // | variable '=' expr + // | variable '=' '&' variable + // | variable '=' '&' T_NEW class_name_reference ctor_arguments + // | variable T_PLUS_EQUAL expr + // | variable T_MINUS_EQUAL expr + // | variable T_MUL_EQUAL expr + // | variable T_DIV_EQUAL expr + // | variable T_CONCAT_EQUAL expr + // | variable T_MOD_EQUAL expr + // | variable T_AND_EQUAL expr + // | variable T_OR_EQUAL expr + // | variable T_XOR_EQUAL expr + // | variable T_SL_EQUAL expr + // | variable T_SR_EQUAL expr + // | rw_variable T_INC + // | rw_variable T_DEC + // | expr T_BOOLEAN_OR expr + // | expr T_BOOLEAN_AND expr + // | expr T_LOGICAL_OR expr + // | expr T_LOGICAL_AND expr + // | expr T_LOGICAL_XOR expr + // | expr '|' expr + // | expr '&' expr + // | expr '^' expr + // | expr '.' expr + // | expr '+' expr + // | expr '-' expr + // | expr '*' expr + // | expr '/' expr + // | expr '%' expr + // | expr T_SL expr + // | expr T_SR expr + // | expr T_IS_IDENTICAL expr + // | expr T_IS_NOT_IDENTICAL expr + // | expr T_IS_EQUAL expr + // | expr T_IS_NOT_EQUAL expr + // | expr '<' expr + // | expr T_IS_SMALLER_OR_EQUAL expr + // | expr '>' expr + // | expr T_IS_GREATER_OR_EQUAL expr + // | expr T_INSTANCEOF class_name_reference + // | expr '?' expr ':' expr + if (Scanner.TRACE) { + System.out.println("TRACE: expr_without_variable() PART 1"); + } + switch (token) { + case TokenNameisset: + // T_ISSET '(' isset_variables ')' + getNextToken(); + if (token != TokenNameLPAREN) { + throwSyntaxError("'(' expected after keyword 'isset'"); + } + getNextToken(); + isset_variables(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected after keyword 'isset'"); + } + getNextToken(); + break; + case TokenNameempty: + getNextToken(); + if (token != TokenNameLPAREN) { + throwSyntaxError("'(' expected after keyword 'empty'"); + } + getNextToken(); + variable(true, false); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected after keyword 'empty'"); + } + getNextToken(); + break; + case TokenNameeval: + case TokenNameinclude: + case TokenNameinclude_once: + case TokenNamerequire: + case TokenNamerequire_once: + internal_functions_in_yacc(); + break; + // | '(' expr ')' + case TokenNameLPAREN: + getNextToken(); + expr(); + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + throwSyntaxError("')' expected in expression."); + } + break; + // | T_CLONE expr + // | T_PRINT expr + // | '@' expr + // | '+' expr + // | '-' expr + // | '!' expr + // | '~' expr + // | T_INT_CAST expr + // | T_DOUBLE_CAST expr + // | T_STRING_CAST expr + // | T_ARRAY_CAST expr + // | T_OBJECT_CAST expr + // | T_BOOL_CAST expr + // | T_UNSET_CAST expr + case TokenNameclone: + case TokenNameprint: + case TokenNameAT: + case TokenNamePLUS: + case TokenNameMINUS: + case TokenNameNOT: + case TokenNameTWIDDLE: + case TokenNameintCAST: + case TokenNamedoubleCAST: + case TokenNamestringCAST: + case TokenNamearrayCAST: + case TokenNameobjectCAST: + case TokenNameboolCAST: + case TokenNameunsetCAST: + getNextToken(); + expr(); + break; + case TokenNameexit: + getNextToken(); + exit_expr(); + break; + // scalar: + // T_STRING + // | T_STRING_VARNAME + // | class_constant + // | T_START_HEREDOC encaps_list T_END_HEREDOC + // | '`' encaps_list '`' + // | common_scalar + // | '`' encaps_list '`' + // case TokenNameEncapsedString0: + // scanner.encapsedStringStack.push(new Character('`')); + // getNextToken(); + // try { + // if (token == TokenNameEncapsedString0) { + // } else { + // encaps_list(); + // if (token != TokenNameEncapsedString0) { + // throwSyntaxError("\'`\' expected at end of string" + "(Found + // token: " + + // scanner.toStringAction(token) + " )"); + // } + // } + // } finally { + // scanner.encapsedStringStack.pop(); + // getNextToken(); + // } + // break; + // // | '\'' encaps_list '\'' + // case TokenNameEncapsedString1: + // scanner.encapsedStringStack.push(new Character('\'')); + // getNextToken(); + // try { + // exprSourceStart = scanner.getCurrentTokenStartPosition(); + // if (token == TokenNameEncapsedString1) { + // expression = new + // StringLiteralSQ(scanner.getCurrentStringLiteralSource(exprSourceStart), + // exprSourceStart, scanner + // .getCurrentTokenEndPosition()); + // } else { + // encaps_list(); + // if (token != TokenNameEncapsedString1) { + // throwSyntaxError("\'\'\' expected at end of string" + "(Found + // token: " + // + scanner.toStringAction(token) + " )"); + // } else { + // expression = new + // StringLiteralSQ(scanner.getCurrentStringLiteralSource(exprSourceStart), + // exprSourceStart, scanner + // .getCurrentTokenEndPosition()); + // } + // } + // } finally { + // scanner.encapsedStringStack.pop(); + // getNextToken(); + // } + // break; + // //| '"' encaps_list '"' + // case TokenNameEncapsedString2: + // scanner.encapsedStringStack.push(new Character('"')); + // getNextToken(); + // try { + // exprSourceStart = scanner.getCurrentTokenStartPosition(); + // if (token == TokenNameEncapsedString2) { + // expression = new + // StringLiteralDQ(scanner.getCurrentStringLiteralSource(exprSourceStart), + // exprSourceStart, scanner + // .getCurrentTokenEndPosition()); + // } else { + // encaps_list(); + // if (token != TokenNameEncapsedString2) { + // throwSyntaxError("'\"' expected at end of string" + "(Found + // token: " + + // scanner.toStringAction(token) + " )"); + // } else { + // expression = new + // StringLiteralDQ(scanner.getCurrentStringLiteralSource(exprSourceStart), + // exprSourceStart, scanner + // .getCurrentTokenEndPosition()); + // } + // } + // } finally { + // scanner.encapsedStringStack.pop(); + // getNextToken(); + // } + // break; + case TokenNameStringDoubleQuote: + expression = new StringLiteralDQ(scanner + .getCurrentStringLiteralSource(), scanner + .getCurrentTokenStartPosition(), scanner + .getCurrentTokenEndPosition()); + common_scalar(); + break; + case TokenNameStringSingleQuote: + expression = new StringLiteralSQ(scanner + .getCurrentStringLiteralSource(), scanner + .getCurrentTokenStartPosition(), scanner + .getCurrentTokenEndPosition()); + common_scalar(); + break; + case TokenNameIntegerLiteral: + case TokenNameDoubleLiteral: + case TokenNameStringInterpolated: + case TokenNameFILE: + case TokenNameLINE: + case TokenNameCLASS_C: + case TokenNameMETHOD_C: + case TokenNameFUNC_C: + common_scalar(); + break; + case TokenNameHEREDOC: + getNextToken(); + break; + case TokenNamearray: + // T_ARRAY '(' array_pair_list ')' + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + if (token == TokenNameRPAREN) { + getNextToken(); + break; + } + array_pair_list(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' or ',' expected after keyword 'array'" + + "(Found token: " + + scanner.toStringAction(token) + ")"); + } + getNextToken(); + } else { + throwSyntaxError("'(' expected after keyword 'array'" + + "(Found token: " + scanner.toStringAction(token) + + ")"); + } + break; + case TokenNamelist: + // | T_LIST '(' assignment_list ')' '=' expr + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + assignment_list(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected after 'list' keyword."); + } + getNextToken(); + if (token != TokenNameEQUAL) { + throwSyntaxError("'=' expected after 'list' keyword."); + } + getNextToken(); + expr(); + } else { + throwSyntaxError("'(' expected after 'list' keyword."); + } + break; + case TokenNamenew: + // | T_NEW class_name_reference ctor_arguments + getNextToken(); + Expression typeRef = class_name_reference(); + ctor_arguments(); + if (typeRef != null) { + expression = typeRef; + } + break; + // | T_INC rw_variable + // | T_DEC rw_variable + case TokenNamePLUS_PLUS: + case TokenNameMINUS_MINUS: + getNextToken(); + rw_variable(); + break; + // | variable '=' expr + // | variable '=' '&' variable + // | variable '=' '&' T_NEW class_name_reference ctor_arguments + // | variable T_PLUS_EQUAL expr + // | variable T_MINUS_EQUAL expr + // | variable T_MUL_EQUAL expr + // | variable T_DIV_EQUAL expr + // | variable T_CONCAT_EQUAL expr + // | variable T_MOD_EQUAL expr + // | variable T_AND_EQUAL expr + // | variable T_OR_EQUAL expr + // | variable T_XOR_EQUAL expr + // | variable T_SL_EQUAL expr + // | variable T_SR_EQUAL expr + // | rw_variable T_INC + // | rw_variable T_DEC + case TokenNameIdentifier: + case TokenNameVariable: + case TokenNameDOLLAR: + Expression lhs = null; + boolean rememberedVar = false; + if (token == TokenNameIdentifier) { + lhs = identifier(true, true); + if (lhs != null) { + expression = lhs; + } + } else { + lhs = variable(true, true); + if (lhs != null) { + expression = lhs; + } + if (lhs != null && lhs instanceof FieldReference + && token != TokenNameEQUAL + && token != TokenNamePLUS_EQUAL + && token != TokenNameMINUS_EQUAL + && token != TokenNameMULTIPLY_EQUAL + && token != TokenNameDIVIDE_EQUAL + && token != TokenNameDOT_EQUAL + && token != TokenNameREMAINDER_EQUAL + && token != TokenNameAND_EQUAL + && token != TokenNameOR_EQUAL + && token != TokenNameXOR_EQUAL + && token != TokenNameRIGHT_SHIFT_EQUAL + && token != TokenNameLEFT_SHIFT_EQUAL) { + FieldReference ref = (FieldReference) lhs; + if (!containsVariableSet(ref.token)) { + if (null == initHandler + || initHandler.reportError()) { + problemReporter.uninitializedLocalVariable( + new String(ref.token), ref.sourceStart, + ref.sourceEnd, referenceContext, + compilationUnit.compilationResult); + } + addVariableSet(ref.token); + } + } + } + switch (token) { + case TokenNameEQUAL: + if (lhs != null && lhs instanceof FieldReference) { + addVariableSet(((FieldReference) lhs).token); + } + getNextToken(); + if (token == TokenNameAND) { + getNextToken(); + if (token == TokenNamenew) { + // | variable '=' '&' T_NEW class_name_reference + // ctor_arguments + getNextToken(); + SingleTypeReference classRef = class_name_reference(); + ctor_arguments(); + if (classRef != null) { + if (lhs != null + && lhs instanceof FieldReference) { + // example: + // $var = & new Object(); + if (fMethodVariables != null) { + VariableInfo lhsInfo = new VariableInfo( + ((FieldReference) lhs).sourceStart); + lhsInfo.reference = classRef; + lhsInfo.typeIdentifier = classRef.token; + fMethodVariables.put(new String( + ((FieldReference) lhs).token), + lhsInfo); + rememberedVar = true; + } + } + } + } else { + Expression rhs = variable(false, false); + if (rhs != null && rhs instanceof FieldReference + && lhs != null + && lhs instanceof FieldReference) { + // example: + // $var = &$ref; + if (fMethodVariables != null) { + VariableInfo rhsInfo = (VariableInfo) fMethodVariables + .get(((FieldReference) rhs).token); + if (rhsInfo != null + && rhsInfo.reference != null) { + VariableInfo lhsInfo = new VariableInfo( + ((FieldReference) lhs).sourceStart); + lhsInfo.reference = rhsInfo.reference; + lhsInfo.typeIdentifier = rhsInfo.typeIdentifier; + fMethodVariables.put(new String( + ((FieldReference) lhs).token), + lhsInfo); + rememberedVar = true; + } + } + } + } + } else { + Expression rhs = expr(); + if (lhs != null && lhs instanceof FieldReference) { + if (rhs != null && rhs instanceof FieldReference) { + // example: + // $var = $ref; + if (fMethodVariables != null) { + VariableInfo rhsInfo = (VariableInfo) fMethodVariables + .get(((FieldReference) rhs).token); + if (rhsInfo != null + && rhsInfo.reference != null) { + VariableInfo lhsInfo = new VariableInfo( + ((FieldReference) lhs).sourceStart); + lhsInfo.reference = rhsInfo.reference; + lhsInfo.typeIdentifier = rhsInfo.typeIdentifier; + fMethodVariables.put(new String( + ((FieldReference) lhs).token), + lhsInfo); + rememberedVar = true; + } + } + } else if (rhs != null + && rhs instanceof SingleTypeReference) { + // example: + // $var = new Object(); + if (fMethodVariables != null) { + VariableInfo lhsInfo = new VariableInfo( + ((FieldReference) lhs).sourceStart); + lhsInfo.reference = (SingleTypeReference) rhs; + lhsInfo.typeIdentifier = ((SingleTypeReference) rhs).token; + fMethodVariables.put(new String( + ((FieldReference) lhs).token), + lhsInfo); + rememberedVar = true; + } + } + } + } + if (rememberedVar == false && lhs != null + && lhs instanceof FieldReference) { + if (fMethodVariables != null) { + VariableInfo lhsInfo = new VariableInfo( + ((FieldReference) lhs).sourceStart); + fMethodVariables.put(new String( + ((FieldReference) lhs).token), lhsInfo); + } + } + break; + case TokenNamePLUS_EQUAL: + case TokenNameMINUS_EQUAL: + case TokenNameMULTIPLY_EQUAL: + case TokenNameDIVIDE_EQUAL: + case TokenNameDOT_EQUAL: + case TokenNameREMAINDER_EQUAL: + case TokenNameAND_EQUAL: + case TokenNameOR_EQUAL: + case TokenNameXOR_EQUAL: + case TokenNameRIGHT_SHIFT_EQUAL: + case TokenNameLEFT_SHIFT_EQUAL: + if (lhs != null && lhs instanceof FieldReference) { + addVariableSet(((FieldReference) lhs).token); + } + getNextToken(); + expr(); + break; + case TokenNamePLUS_PLUS: + case TokenNameMINUS_MINUS: + getNextToken(); + break; + default: + if (!only_variable) { + throwSyntaxError("Variable expression not allowed (found token '" + + scanner.toStringAction(token) + "')."); + } + if (lhs != null) { + expression = lhs; + } + } + break; + default: + if (token != TokenNameINLINE_HTML) { + if (token > TokenNameKEYWORD) { + getNextToken(); + break; + } else { + // System.out.println(scanner.getCurrentTokenStartPosition()); + // System.out.println(scanner.getCurrentTokenEndPosition()); + + throwSyntaxError("Error in expression (found token '" + + scanner.toStringAction(token) + "')."); + } + } + return expression; + } + if (Scanner.TRACE) { + System.out.println("TRACE: expr_without_variable() PART 2"); + } + // | expr T_BOOLEAN_OR expr + // | expr T_BOOLEAN_AND expr + // | expr T_LOGICAL_OR expr + // | expr T_LOGICAL_AND expr + // | expr T_LOGICAL_XOR expr + // | expr '|' expr + // | expr '&' expr + // | expr '^' expr + // | expr '.' expr + // | expr '+' expr + // | expr '-' expr + // | expr '*' expr + // | expr '/' expr + // | expr '%' expr + // | expr T_SL expr + // | expr T_SR expr + // | expr T_IS_IDENTICAL expr + // | expr T_IS_NOT_IDENTICAL expr + // | expr T_IS_EQUAL expr + // | expr T_IS_NOT_EQUAL expr + // | expr '<' expr + // | expr T_IS_SMALLER_OR_EQUAL expr + // | expr '>' expr + // | expr T_IS_GREATER_OR_EQUAL expr + while (true) { + switch (token) { + case TokenNameOR_OR: + getNextToken(); + expression = new OR_OR_Expression(expression, expr(), token); + break; + case TokenNameAND_AND: + getNextToken(); + expression = new AND_AND_Expression(expression, expr(), + token); + break; + case TokenNameEQUAL_EQUAL: + getNextToken(); + expression = new EqualExpression(expression, expr(), token); + break; + case TokenNameand: + case TokenNameor: + case TokenNamexor: + case TokenNameAND: + case TokenNameOR: + case TokenNameXOR: + case TokenNameDOT: + case TokenNamePLUS: + case TokenNameMINUS: + case TokenNameMULTIPLY: + case TokenNameDIVIDE: + case TokenNameREMAINDER: + case TokenNameLEFT_SHIFT: + case TokenNameRIGHT_SHIFT: + case TokenNameEQUAL_EQUAL_EQUAL: + case TokenNameNOT_EQUAL_EQUAL: + case TokenNameNOT_EQUAL: + case TokenNameLESS: + case TokenNameLESS_EQUAL: + case TokenNameGREATER: + case TokenNameGREATER_EQUAL: + getNextToken(); + expression = new BinaryExpression(expression, expr(), token); + break; + // | expr T_INSTANCEOF class_name_reference + // | expr '?' expr ':' expr + case TokenNameinstanceof: + getNextToken(); + TypeReference classRef = class_name_reference(); + if (classRef != null) { + expression = new InstanceOfExpression(expression, + classRef, OperatorIds.INSTANCEOF); + expression.sourceStart = exprSourceStart; + expression.sourceEnd = scanner + .getCurrentTokenEndPosition(); + } + break; + case TokenNameQUESTION: + getNextToken(); + Expression valueIfTrue = expr(); + if (token != TokenNameCOLON) { + throwSyntaxError("':' expected in conditional expression."); + } + getNextToken(); + Expression valueIfFalse = expr(); + + expression = new ConditionalExpression(expression, + valueIfTrue, valueIfFalse); + break; + default: + return expression; + } + } + } catch (SyntaxError e) { + // try to find next token after expression with errors: + if (token == TokenNameSEMICOLON) { + getNextToken(); + return expression; + } + if (token == TokenNameRBRACE || token == TokenNameRPAREN + || token == TokenNameRBRACKET) { + getNextToken(); + return expression; + } + throw e; + } + } + + private SingleTypeReference class_name_reference() { + // class_name_reference: + // T_STRING + // | dynamic_class_name_reference + SingleTypeReference ref = null; + if (Scanner.TRACE) { + System.out.println("TRACE: class_name_reference()"); + } + if (token == TokenNameIdentifier) { + ref = new SingleTypeReference(scanner.getCurrentIdentifierSource(), + scanner.getCurrentTokenStartPosition()); + int pos = scanner.currentPosition; + getNextToken(); + if (token == TokenNamePAAMAYIM_NEKUDOTAYIM) { + // Not terminated by T_STRING, reduce to dynamic_class_name_reference + scanner.currentPosition = pos; + token = TokenNameIdentifier; + ref = null; + dynamic_class_name_reference(); + } + } else { + ref = null; + dynamic_class_name_reference(); + } + return ref; + } + + private void dynamic_class_name_reference() { + // dynamic_class_name_reference: + // base_variable T_OBJECT_OPERATOR object_property + // dynamic_class_name_variable_properties + // | base_variable + if (Scanner.TRACE) { + System.out.println("TRACE: dynamic_class_name_reference()"); + } + base_variable(true); + if (token == TokenNameMINUS_GREATER) { + getNextToken(); + object_property(); + dynamic_class_name_variable_properties(); + } + } + + private void dynamic_class_name_variable_properties() { + // dynamic_class_name_variable_properties: + // dynamic_class_name_variable_properties + // dynamic_class_name_variable_property + // | /* empty */ + if (Scanner.TRACE) { + System.out + .println("TRACE: dynamic_class_name_variable_properties()"); + } + while (token == TokenNameMINUS_GREATER) { + dynamic_class_name_variable_property(); + } + } + + private void dynamic_class_name_variable_property() { + // dynamic_class_name_variable_property: + // T_OBJECT_OPERATOR object_property + if (Scanner.TRACE) { + System.out.println("TRACE: dynamic_class_name_variable_property()"); + } + if (token == TokenNameMINUS_GREATER) { + getNextToken(); + object_property(); + } + } + + private void ctor_arguments() { + // ctor_arguments: + // /* empty */ + // | '(' function_call_parameter_list ')' + if (token == TokenNameLPAREN) { + getNextToken(); + if (token == TokenNameRPAREN) { + getNextToken(); + return; + } + non_empty_function_call_parameter_list(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected in ctor_arguments."); + } + getNextToken(); + } + } + + private void assignment_list() { + // assignment_list: + // assignment_list ',' assignment_list_element + // | assignment_list_element + while (true) { + assignment_list_element(); + if (token != TokenNameCOMMA) { + break; + } + getNextToken(); + } + } + + private void assignment_list_element() { + // assignment_list_element: + // variable + // | T_LIST '(' assignment_list ')' + // | /* empty */ + if (token == TokenNameVariable) { + variable(true, false); + } else if (token == TokenNameDOLLAR) { + variable(false, false); + } else if (token == TokenNameIdentifier) { + identifier(true, true); + } else { + if (token == TokenNamelist) { + getNextToken(); + if (token == TokenNameLPAREN) { + getNextToken(); + assignment_list(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected after 'list' keyword."); + } + getNextToken(); + } else { + throwSyntaxError("'(' expected after 'list' keyword."); + } + } + } + } + + private void array_pair_list() { + // array_pair_list: + // /* empty */ + // | non_empty_array_pair_list possible_comma + non_empty_array_pair_list(); + if (token == TokenNameCOMMA) { + getNextToken(); + } + } + + private void non_empty_array_pair_list() { + // non_empty_array_pair_list: + // non_empty_array_pair_list ',' expr T_DOUBLE_ARROW expr + // | non_empty_array_pair_list ',' expr + // | expr T_DOUBLE_ARROW expr + // | expr + // | non_empty_array_pair_list ',' expr T_DOUBLE_ARROW '&' w_variable + // | non_empty_array_pair_list ',' '&' w_variable + // | expr T_DOUBLE_ARROW '&' w_variable + // | '&' w_variable + while (true) { + if (token == TokenNameAND) { + getNextToken(); + variable(true, false); + } else { + expr(); + if (token == TokenNameAND) { + getNextToken(); + variable(true, false); + } else if (token == TokenNameEQUAL_GREATER) { + getNextToken(); + if (token == TokenNameAND) { + getNextToken(); + variable(true, false); + } else { + expr(); + } + } + } + if (token != TokenNameCOMMA) { + return; + } + getNextToken(); + if (token == TokenNameRPAREN) { + return; + } + } + } + + // private void variableList() { + // do { + // variable(); + // if (token == TokenNameCOMMA) { + // getNextToken(); + // } else { + // break; + // } + // } while (true); + // } + private Expression variable_without_objects(boolean lefthandside, + boolean ignoreVar) { + // variable_without_objects: + // reference_variable + // | simple_indirect_reference reference_variable + if (Scanner.TRACE) { + System.out.println("TRACE: variable_without_objects()"); + } + while (token == TokenNameDOLLAR) { + getNextToken(); + } + return reference_variable(lefthandside, ignoreVar); + } + + private Expression function_call(boolean lefthandside, boolean ignoreVar) { + // function_call: + // T_STRING '(' function_call_parameter_list ')' + // | class_constant '(' function_call_parameter_list ')' + // | static_member '(' function_call_parameter_list ')' + // | variable_without_objects '(' function_call_parameter_list ')' + char[] defineName = null; + char[] ident = null; + int startPos = 0; + int endPos = 0; + Expression ref = null; + if (Scanner.TRACE) { + System.out.println("TRACE: function_call()"); + } + if (token == TokenNameIdentifier) { + ident = scanner.getCurrentIdentifierSource(); + defineName = ident; + startPos = scanner.getCurrentTokenStartPosition(); + endPos = scanner.getCurrentTokenEndPosition(); + getNextToken(); + switch (token) { + case TokenNamePAAMAYIM_NEKUDOTAYIM: + // static member: + defineName = null; + getNextToken(); + if (token == TokenNameIdentifier) { + // class _constant + getNextToken(); + } else { + // static member: + variable_without_objects(true, false); + } + break; + } + } else { + ref = variable_without_objects(lefthandside, ignoreVar); + } + if (token != TokenNameLPAREN) { + if (defineName != null) { + // does this identifier contain only uppercase characters? + if (defineName.length == 3) { + if (defineName[0] == 'd' && defineName[1] == 'i' + && defineName[2] == 'e') { + defineName = null; + } + } else if (defineName.length == 4) { + if (defineName[0] == 't' && defineName[1] == 'r' + && defineName[2] == 'u' && defineName[3] == 'e') { + defineName = null; + } else if (defineName[0] == 'n' && defineName[1] == 'u' + && defineName[2] == 'l' && defineName[3] == 'l') { + defineName = null; + } + } else if (defineName.length == 5) { + if (defineName[0] == 'f' && defineName[1] == 'a' + && defineName[2] == 'l' && defineName[3] == 's' + && defineName[4] == 'e') { + defineName = null; + } + } + if (defineName != null) { + for (int i = 0; i < defineName.length; i++) { + if (Character.isLowerCase(defineName[i])) { + problemReporter.phpUppercaseIdentifierWarning( + startPos, endPos, referenceContext, + compilationUnit.compilationResult); + break; + } + } + } + } + } else { + getNextToken(); + if (token == TokenNameRPAREN) { + getNextToken(); + return ref; + } + non_empty_function_call_parameter_list(); + if (token != TokenNameRPAREN) { + String functionName; + if (ident == null) { + functionName = new String(" "); + } else { + functionName = new String(ident); + } + throwSyntaxError("')' expected in function call (" + + functionName + ")."); + } + getNextToken(); + } + return ref; + } + + private void non_empty_function_call_parameter_list() { + this.non_empty_function_call_parameter_list(null); + } + + // private void function_call_parameter_list() { + // function_call_parameter_list: + // non_empty_function_call_parameter_list { $$ = $1; } + // | /* empty */ + // } + private void non_empty_function_call_parameter_list(String functionName) { + // non_empty_function_call_parameter_list: + // expr_without_variable + // | variable + // | '&' w_variable + // | non_empty_function_call_parameter_list ',' expr_without_variable + // | non_empty_function_call_parameter_list ',' variable + // | non_empty_function_call_parameter_list ',' '&' w_variable + if (Scanner.TRACE) { + System.out + .println("TRACE: non_empty_function_call_parameter_list()"); + } + UninitializedVariableHandler initHandler = new UninitializedVariableHandler(); + initHandler.setFunctionName(functionName); + while (true) { + initHandler.incrementArgumentCount(); + if (token == TokenNameAND) { + getNextToken(); + w_variable(true); + } else { + // if (token == TokenNameIdentifier || token == + // TokenNameVariable + // || token == TokenNameDOLLAR) { + // variable(); + // } else { + expr_without_variable(true, initHandler); + // } + } + if (token != TokenNameCOMMA) { + break; + } + getNextToken(); + } + } + + private void fully_qualified_class_name() { + if (token == TokenNameIdentifier) { + getNextToken(); + } else { + throwSyntaxError("Class name expected."); + } + } + + private void static_member() { + // static_member: + // fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM + // variable_without_objects + if (Scanner.TRACE) { + System.out.println("TRACE: static_member()"); + } + fully_qualified_class_name(); + if (token != TokenNamePAAMAYIM_NEKUDOTAYIM) { + throwSyntaxError("'::' expected after class name (static_member)."); + } + getNextToken(); + variable_without_objects(false, false); + } + + private Expression base_variable_with_function_calls(boolean lefthandside, + boolean ignoreVar) { + // base_variable_with_function_calls: + // base_variable + // | function_call + if (Scanner.TRACE) { + System.out.println("TRACE: base_variable_with_function_calls()"); + } + return function_call(lefthandside, ignoreVar); + } + + private Expression base_variable(boolean lefthandside) { + // base_variable: + // reference_variable + // | simple_indirect_reference reference_variable + // | static_member + Expression ref = null; + if (Scanner.TRACE) { + System.out.println("TRACE: base_variable()"); + } + if (token == TokenNameIdentifier) { + static_member(); + } else { + while (token == TokenNameDOLLAR) { + getNextToken(); + } + reference_variable(lefthandside, false); + } + return ref; + } + + // private void simple_indirect_reference() { + // // simple_indirect_reference: + // // '$' + // //| simple_indirect_reference '$' + // } + private Expression reference_variable(boolean lefthandside, + boolean ignoreVar) { + // reference_variable: + // reference_variable '[' dim_offset ']' + // | reference_variable '{' expr '}' + // | compound_variable + Expression ref = null; + if (Scanner.TRACE) { + System.out.println("TRACE: reference_variable()"); + } + ref = compound_variable(lefthandside, ignoreVar); + while (true) { + if (token == TokenNameLBRACE) { + ref = null; + getNextToken(); + expr(); + if (token != TokenNameRBRACE) { + throwSyntaxError("'}' expected in reference variable."); + } + getNextToken(); + } else if (token == TokenNameLBRACKET) { + // To remove "ref = null;" here, is probably better than the + // patch + // commented in #1368081 - axelcl + getNextToken(); + if (token != TokenNameRBRACKET) { + expr(); + // dim_offset(); + if (token != TokenNameRBRACKET) { + throwSyntaxError("']' expected in reference variable."); + } + } + getNextToken(); + } else { + break; + } + } + return ref; + } + + private Expression compound_variable(boolean lefthandside, boolean ignoreVar) { + // compound_variable: + // T_VARIABLE + // | '$' '{' expr '}' + if (Scanner.TRACE) { + System.out.println("TRACE: compound_variable()"); + } + if (token == TokenNameVariable) { + if (!lefthandside) { + if (!containsVariableSet()) { + // reportSyntaxError("The local variable " + new + // String(scanner.getCurrentIdentifierSource()) + // + " may not have been initialized"); + problemReporter.uninitializedLocalVariable(new String( + scanner.getCurrentIdentifierSource()), scanner + .getCurrentTokenStartPosition(), scanner + .getCurrentTokenEndPosition(), referenceContext, + compilationUnit.compilationResult); + } + } else { + if (!ignoreVar) { + addVariableSet(); + } + } + FieldReference ref = new FieldReference(scanner + .getCurrentIdentifierSource(), scanner + .getCurrentTokenStartPosition()); + getNextToken(); + return ref; + } else { + // because of simple_indirect_reference + while (token == TokenNameDOLLAR) { + getNextToken(); + } + if (token != TokenNameLBRACE) { + reportSyntaxError("'{' expected after compound variable token '$'."); + return null; + } + getNextToken(); + expr(); + if (token != TokenNameRBRACE) { + throwSyntaxError("'}' expected after compound variable token '$'."); + } + getNextToken(); + } + return null; + } // private void dim_offset() { // // dim_offset: // // /* empty */ + + // // | expr + // expr(); + // } + private void object_property() { + // object_property: + // object_dim_list + // | variable_without_objects + if (Scanner.TRACE) { + System.out.println("TRACE: object_property()"); + } + if (token == TokenNameVariable || token == TokenNameDOLLAR) { + variable_without_objects(false, false); + } else { + object_dim_list(); + } + } + + private void object_dim_list() { + // object_dim_list: + // object_dim_list '[' dim_offset ']' + // | object_dim_list '{' expr '}' + // | variable_name + if (Scanner.TRACE) { + System.out.println("TRACE: object_dim_list()"); + } + variable_name(); + while (true) { + if (token == TokenNameLBRACE) { + getNextToken(); + expr(); + if (token != TokenNameRBRACE) { + throwSyntaxError("'}' expected in object_dim_list."); + } + getNextToken(); + } else if (token == TokenNameLBRACKET) { + getNextToken(); + if (token == TokenNameRBRACKET) { + getNextToken(); + continue; + } + expr(); + if (token != TokenNameRBRACKET) { + throwSyntaxError("']' expected in object_dim_list."); + } + getNextToken(); + } else { + break; + } + } + } + + private void variable_name() { + // variable_name: + // T_STRING + // | '{' expr '}' + if (Scanner.TRACE) { + System.out.println("TRACE: variable_name()"); + } + if (token == TokenNameIdentifier || token > TokenNameKEYWORD) { + if (token > TokenNameKEYWORD) { + // TODO show a warning "Keyword used as variable" ? + } + getNextToken(); + } else { + if (token != TokenNameLBRACE) { + throwSyntaxError("'{' expected in variable name."); + } + getNextToken(); + expr(); + if (token != TokenNameRBRACE) { + throwSyntaxError("'}' expected in variable name."); + } + getNextToken(); + } + } + + private void r_variable() { + variable(false, false); + } + + private void w_variable(boolean lefthandside) { + variable(lefthandside, false); + } + + private void rw_variable() { + variable(false, false); + } + + private Expression variable(boolean lefthandside, boolean ignoreVar) { + // variable: + // base_variable_with_function_calls T_OBJECT_OPERATOR + // object_property method_or_not variable_properties + // | base_variable_with_function_calls + Expression ref = base_variable_with_function_calls(lefthandside, + ignoreVar); + if (token == TokenNameMINUS_GREATER) { + ref = null; + getNextToken(); + object_property(); + method_or_not(); + variable_properties(); + } + return ref; + } + + private void variable_properties() { + // variable_properties: + // variable_properties variable_property + // | /* empty */ + while (token == TokenNameMINUS_GREATER) { + variable_property(); + } + } + + private void variable_property() { + // variable_property: + // T_OBJECT_OPERATOR object_property method_or_not + if (Scanner.TRACE) { + System.out.println("TRACE: variable_property()"); + } + if (token == TokenNameMINUS_GREATER) { + getNextToken(); + object_property(); + method_or_not(); + } else { + throwSyntaxError("'->' expected in variable_property."); + } + } + + private Expression identifier(boolean lefthandside, boolean ignoreVar) { + // variable: + // base_variable_with_function_calls T_OBJECT_OPERATOR + // object_property method_or_not variable_properties + // | base_variable_with_function_calls + + // Expression ref = function_call(lefthandside, ignoreVar); + + // function_call: + // T_STRING '(' function_call_parameter_list ')' + // | class_constant '(' function_call_parameter_list ')' + // | static_member '(' function_call_parameter_list ')' + // | variable_without_objects '(' function_call_parameter_list ')' + char[] defineName = null; + char[] ident = null; + int startPos = 0; + int endPos = 0; + Expression ref = null; + if (Scanner.TRACE) { + System.out.println("TRACE: function_call()"); + } + if (token == TokenNameIdentifier) { + ident = scanner.getCurrentIdentifierSource(); + defineName = ident; + startPos = scanner.getCurrentTokenStartPosition(); + endPos = scanner.getCurrentTokenEndPosition(); + getNextToken(); + + if (token == TokenNameEQUAL || token == TokenNamePLUS_EQUAL + || token == TokenNameMINUS_EQUAL + || token == TokenNameMULTIPLY_EQUAL + || token == TokenNameDIVIDE_EQUAL + || token == TokenNameDOT_EQUAL + || token == TokenNameREMAINDER_EQUAL + || token == TokenNameAND_EQUAL + || token == TokenNameOR_EQUAL + || token == TokenNameXOR_EQUAL + || token == TokenNameRIGHT_SHIFT_EQUAL + || token == TokenNameLEFT_SHIFT_EQUAL) { + String error = "Assignment operator '" + + scanner.toStringAction(token) + + "' not allowed after identifier '" + + new String(ident) + + "' (use 'define(...)' to define constants)."; + reportSyntaxError(error); + } + + switch (token) { + case TokenNamePAAMAYIM_NEKUDOTAYIM: + // static member: + defineName = null; + getNextToken(); + if (token == TokenNameIdentifier) { + // class _constant + getNextToken(); + } else { + // static member: + variable_without_objects(true, false); + } + break; + } + } else { + ref = variable_without_objects(lefthandside, ignoreVar); + } + if (token != TokenNameLPAREN) { + if (defineName != null) { + // does this identifier contain only uppercase characters? + if (defineName.length == 3) { + if (defineName[0] == 'd' && defineName[1] == 'i' + && defineName[2] == 'e') { + defineName = null; + } + } else if (defineName.length == 4) { + if (defineName[0] == 't' && defineName[1] == 'r' + && defineName[2] == 'u' && defineName[3] == 'e') { + defineName = null; + } else if (defineName[0] == 'n' && defineName[1] == 'u' + && defineName[2] == 'l' && defineName[3] == 'l') { + defineName = null; + } + } else if (defineName.length == 5) { + if (defineName[0] == 'f' && defineName[1] == 'a' + && defineName[2] == 'l' && defineName[3] == 's' + && defineName[4] == 'e') { + defineName = null; + } + } + if (defineName != null) { + for (int i = 0; i < defineName.length; i++) { + if (Character.isLowerCase(defineName[i])) { + problemReporter.phpUppercaseIdentifierWarning( + startPos, endPos, referenceContext, + compilationUnit.compilationResult); + break; + } + } + } + } + // TODO is this ok ? + // return ref; + // throwSyntaxError("'(' expected in function call."); + } else { + getNextToken(); + + if (token == TokenNameRPAREN) { + getNextToken(); + ref = null; + } else { + String functionName; + if (ident == null) { + functionName = new String(" "); + } else { + functionName = new String(ident); + } + non_empty_function_call_parameter_list(functionName); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected in function call (" + + functionName + ")."); + } + getNextToken(); + } + } + if (token == TokenNameMINUS_GREATER) { + ref = null; + getNextToken(); + object_property(); + method_or_not(); + variable_properties(); + } + return ref; + } + + private void method_or_not() { + // method_or_not: + // '(' function_call_parameter_list ')' + // | /* empty */ + if (Scanner.TRACE) { + System.out.println("TRACE: method_or_not()"); + } + if (token == TokenNameLPAREN) { + getNextToken(); + if (token == TokenNameRPAREN) { + getNextToken(); + return; + } + non_empty_function_call_parameter_list(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected in method_or_not."); + } + getNextToken(); + } + } + + private void exit_expr() { + // /* empty */ + // | '(' ')' + // | '(' expr ')' + if (token != TokenNameLPAREN) { + return; + } + getNextToken(); + if (token == TokenNameRPAREN) { + getNextToken(); + return; + } + expr(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected after keyword 'exit'"); + } + getNextToken(); + } + + // private void encaps_list() { + // // encaps_list encaps_var + // // | encaps_list T_STRING + // // | encaps_list T_NUM_STRING + // // | encaps_list T_ENCAPSED_AND_WHITESPACE + // // | encaps_list T_CHARACTER + // // | encaps_list T_BAD_CHARACTER + // // | encaps_list '[' + // // | encaps_list ']' + // // | encaps_list '{' + // // | encaps_list '}' + // // | encaps_list T_OBJECT_OPERATOR + // // | /* empty */ + // while (true) { + // switch (token) { + // case TokenNameSTRING: + // getNextToken(); + // break; + // case TokenNameLBRACE: + // // scanner.encapsedStringStack.pop(); + // getNextToken(); + // break; + // case TokenNameRBRACE: + // // scanner.encapsedStringStack.pop(); + // getNextToken(); + // break; + // case TokenNameLBRACKET: + // // scanner.encapsedStringStack.pop(); + // getNextToken(); + // break; + // case TokenNameRBRACKET: + // // scanner.encapsedStringStack.pop(); + // getNextToken(); + // break; + // case TokenNameMINUS_GREATER: + // // scanner.encapsedStringStack.pop(); + // getNextToken(); + // break; + // case TokenNameVariable: + // case TokenNameDOLLAR_LBRACE: + // case TokenNameLBRACE_DOLLAR: + // encaps_var(); + // break; + // default: + // char encapsedChar = ((Character) + // scanner.encapsedStringStack.peek()).charValue(); + // if (encapsedChar == '$') { + // scanner.encapsedStringStack.pop(); + // encapsedChar = ((Character) + // scanner.encapsedStringStack.peek()).charValue(); + // switch (encapsedChar) { + // case '`': + // if (token == TokenNameEncapsedString0) { + // return; + // } + // token = TokenNameSTRING; + // continue; + // case '\'': + // if (token == TokenNameEncapsedString1) { + // return; + // } + // token = TokenNameSTRING; + // continue; + // case '"': + // if (token == TokenNameEncapsedString2) { + // return; + // } + // token = TokenNameSTRING; + // continue; + // } + // } + // return; + // } + // } + // } + + // private void encaps_var() { + // // T_VARIABLE + // // | T_VARIABLE '[' encaps_var_offset ']' + // // | T_VARIABLE T_OBJECT_OPERATOR T_STRING + // // | T_DOLLAR_OPEN_CURLY_BRACES expr '}' + // // | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}' + // // | T_CURLY_OPEN variable '}' + // switch (token) { + // case TokenNameVariable: + // getNextToken(); + // if (token == TokenNameLBRACKET) { + // getNextToken(); + // expr(); //encaps_var_offset(); + // if (token != TokenNameRBRACKET) { + // throwSyntaxError("']' expected after variable."); + // } + // // scanner.encapsedStringStack.pop(); + // getNextToken(); + // // } + // } else if (token == TokenNameMINUS_GREATER) { + // getNextToken(); + // if (token != TokenNameIdentifier) { + // throwSyntaxError("Identifier expected after '->'."); + // } + // // scanner.encapsedStringStack.pop(); + // getNextToken(); + // } + // // else { + // // // scanner.encapsedStringStack.pop(); + // // int tempToken = TokenNameSTRING; + // // if (!scanner.encapsedStringStack.isEmpty() + // // && (token == TokenNameEncapsedString0 + // // || token == TokenNameEncapsedString1 + // // || token == TokenNameEncapsedString2 || token == + // // TokenNameERROR)) { + // // char encapsedChar = ((Character) + // // scanner.encapsedStringStack.peek()) + // // .charValue(); + // // switch (token) { + // // case TokenNameEncapsedString0 : + // // if (encapsedChar == '`') { + // // tempToken = TokenNameEncapsedString0; + // // } + // // break; + // // case TokenNameEncapsedString1 : + // // if (encapsedChar == '\'') { + // // tempToken = TokenNameEncapsedString1; + // // } + // // break; + // // case TokenNameEncapsedString2 : + // // if (encapsedChar == '"') { + // // tempToken = TokenNameEncapsedString2; + // // } + // // break; + // // case TokenNameERROR : + // // if (scanner.source[scanner.currentPosition - 1] == '\\') { + // // scanner.currentPosition--; + // // getNextToken(); + // // } + // // break; + // // } + // // } + // // token = tempToken; + // // } + // break; + // case TokenNameDOLLAR_LBRACE: + // getNextToken(); + // if (token == TokenNameDOLLAR_LBRACE) { + // encaps_var(); + // } else if (token == TokenNameIdentifier) { + // getNextToken(); + // if (token == TokenNameLBRACKET) { + // getNextToken(); + // // if (token == TokenNameRBRACKET) { + // // getNextToken(); + // // } else { + // expr(); + // if (token != TokenNameRBRACKET) { + // throwSyntaxError("']' expected after '${'."); + // } + // getNextToken(); + // // } + // } + // } else { + // expr(); + // } + // if (token != TokenNameRBRACE) { + // throwSyntaxError("'}' expected."); + // } + // getNextToken(); + // break; + // case TokenNameLBRACE_DOLLAR: + // getNextToken(); + // if (token == TokenNameLBRACE_DOLLAR) { + // encaps_var(); + // } else if (token == TokenNameIdentifier || token > TokenNameKEYWORD) { + // getNextToken(); + // if (token == TokenNameLBRACKET) { + // getNextToken(); + // // if (token == TokenNameRBRACKET) { + // // getNextToken(); + // // } else { + // expr(); + // if (token != TokenNameRBRACKET) { + // throwSyntaxError("']' expected."); + // } + // getNextToken(); + // // } + // } else if (token == TokenNameMINUS_GREATER) { + // getNextToken(); + // if (token != TokenNameIdentifier && token != TokenNameVariable) { + // throwSyntaxError("String or Variable token expected."); + // } + // getNextToken(); + // if (token == TokenNameLBRACKET) { + // getNextToken(); + // // if (token == TokenNameRBRACKET) { + // // getNextToken(); + // // } else { + // expr(); + // if (token != TokenNameRBRACKET) { + // throwSyntaxError("']' expected after '${'."); + // } + // getNextToken(); + // // } + // } + // } + // // if (token != TokenNameRBRACE) { + // // throwSyntaxError("'}' expected after '{$'."); + // // } + // // // scanner.encapsedStringStack.pop(); + // // getNextToken(); + // } else { + // expr(); + // if (token != TokenNameRBRACE) { + // throwSyntaxError("'}' expected."); + // } + // // scanner.encapsedStringStack.pop(); + // getNextToken(); + // } + // break; + // } + // } + + // private void encaps_var_offset() { + // // T_STRING + // // | T_NUM_STRING + // // | T_VARIABLE + // switch (token) { + // case TokenNameSTRING: + // getNextToken(); + // break; + // case TokenNameIntegerLiteral: + // getNextToken(); + // break; + // case TokenNameVariable: + // getNextToken(); + // break; + // case TokenNameIdentifier: + // getNextToken(); + // break; + // default: + // throwSyntaxError("Variable or String token expected."); + // break; + // } + // } + + private void internal_functions_in_yacc() { + // int start = 0; + switch (token) { + // case TokenNameisset: + // // T_ISSET '(' isset_variables ')' + // getNextToken(); + // if (token != TokenNameLPAREN) { + // throwSyntaxError("'(' expected after keyword 'isset'"); + // } + // getNextToken(); + // isset_variables(); + // if (token != TokenNameRPAREN) { + // throwSyntaxError("')' expected after keyword 'isset'"); + // } + // getNextToken(); + // break; + // case TokenNameempty: + // // T_EMPTY '(' variable ')' + // getNextToken(); + // if (token != TokenNameLPAREN) { + // throwSyntaxError("'(' expected after keyword 'empty'"); + // } + // getNextToken(); + // variable(false); + // if (token != TokenNameRPAREN) { + // throwSyntaxError("')' expected after keyword 'empty'"); + // } + // getNextToken(); + // break; + case TokenNameinclude: + // T_INCLUDE expr + checkFileName(token); + break; + case TokenNameinclude_once: + // T_INCLUDE_ONCE expr + checkFileName(token); + break; + case TokenNameeval: + // T_EVAL '(' expr ')' + getNextToken(); + if (token != TokenNameLPAREN) { + throwSyntaxError("'(' expected after keyword 'eval'"); + } + getNextToken(); + expr(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' expected after keyword 'eval'"); + } + getNextToken(); + break; + case TokenNamerequire: + // T_REQUIRE expr + checkFileName(token); + break; + case TokenNamerequire_once: + // T_REQUIRE_ONCE expr + checkFileName(token); + break; + } + } + + /** + * Parse and check the include file name + * + * @param includeToken + */ + private void checkFileName(int includeToken) { + // expr + int start = scanner.getCurrentTokenStartPosition(); + boolean hasLPAREN = false; + getNextToken(); + if (token == TokenNameLPAREN) { + hasLPAREN = true; + getNextToken(); + } + Expression expression = expr(); + if (hasLPAREN) { + if (token == TokenNameRPAREN) { + getNextToken(); + } else { + throwSyntaxError("')' expected for keyword '" + + scanner.toStringAction(includeToken) + "'"); + } + } + char[] currTokenSource = scanner.getCurrentTokenSource(start); + IFile file = null; + if (scanner.compilationUnit != null) { + IResource resource = scanner.compilationUnit.getResource(); + if (resource != null && resource instanceof IFile) { + file = (IFile) resource; + } + } + char[][] tokens; + tokens = new char[1][]; + tokens[0] = currTokenSource; + + ImportReference impt = new ImportReference(tokens, currTokenSource, + start, scanner.getCurrentTokenEndPosition(), false); + impt.declarationSourceEnd = impt.sourceEnd; + impt.declarationEnd = impt.declarationSourceEnd; + // endPosition is just before the ; + impt.declarationSourceStart = start; + includesList.add(impt); + + if (expression instanceof StringLiteral) { + StringLiteral literal = (StringLiteral) expression; + char[] includeName = literal.source(); + if (includeName.length == 0) { + reportSyntaxError("Empty filename after keyword '" + + scanner.toStringAction(includeToken) + "'", + literal.sourceStart, literal.sourceStart + 1); + } + String includeNameString = new String(includeName); + if (literal instanceof StringLiteralDQ) { + if (includeNameString.indexOf('$') >= 0) { + // assuming that the filename contains a variable => no + // filename check + return; + } + } + if (includeNameString.startsWith("http://")) { + // assuming external include location + return; + } + if (file != null) { + // check the filename: + // System.out.println(new + // String(compilationUnit.getFileName())+" - "+ + // expression.toStringExpression()); + IProject project = file.getProject(); + if (project != null) { + IPath path = PHPFileUtil.determineFilePath( + includeNameString, file, project); + + if (path == null) { + // SyntaxError: "File: << >> doesn't exist in project." + String[] args = { expression.toStringExpression(), + project.getFullPath().toString() }; + problemReporter.phpIncludeNotExistWarning(args, + literal.sourceStart, literal.sourceEnd, + referenceContext, + compilationUnit.compilationResult); + } else { + try { + String filePath = path.toString(); + String ext = file.getRawLocation() + .getFileExtension(); + int fileExtensionLength = ext == null ? 0 : ext + .length() + 1; + + IFile f = PHPFileUtil.createFile(path, project); + + impt.tokens = CharOperation.splitOn('/', filePath + .toCharArray(), 0, filePath.length() + - fileExtensionLength); + impt.setFile(f); + } catch (Exception e) { + // the file is outside of the workspace + } + } + } + } + } + } + + private void isset_variables() { + // variable + // | isset_variables ',' + if (token == TokenNameRPAREN) { + throwSyntaxError("Variable expected after keyword 'isset'"); + } + while (true) { + variable(true, false); + if (token == TokenNameCOMMA) { + getNextToken(); + } else { + break; + } + } + } + + private boolean common_scalar() { + // common_scalar: + // T_LNUMBER + // | T_DNUMBER + // | T_CONSTANT_ENCAPSED_STRING + // | T_LINE + // | T_FILE + // | T_CLASS_C + // | T_METHOD_C + // | T_FUNC_C + switch (token) { + case TokenNameIntegerLiteral: + getNextToken(); + return true; + case TokenNameDoubleLiteral: + getNextToken(); + return true; + case TokenNameStringDoubleQuote: + getNextToken(); + return true; + case TokenNameStringSingleQuote: + getNextToken(); + return true; + case TokenNameStringInterpolated: + getNextToken(); + return true; + case TokenNameFILE: + getNextToken(); + return true; + case TokenNameLINE: + getNextToken(); + return true; + case TokenNameCLASS_C: + getNextToken(); + return true; + case TokenNameMETHOD_C: + getNextToken(); + return true; + case TokenNameFUNC_C: + getNextToken(); + return true; + } + return false; + } + +// private void scalar() { +// // scalar: +// // T_STRING +// // | T_STRING_VARNAME +// // | class_constant +// // | common_scalar +// // | '"' encaps_list '"' +// // | '\'' encaps_list '\'' +// // | T_START_HEREDOC encaps_list T_END_HEREDOC +// throwSyntaxError("Not yet implemented (scalar)."); +// } + + private void static_scalar() { + // static_scalar: /* compile-time evaluated scalars */ + // common_scalar + // | T_STRING + // | '+' static_scalar + // | '-' static_scalar + // | T_ARRAY '(' static_array_pair_list ')' + // | static_class_constant + if (common_scalar()) { + return; + } + switch (token) { + case TokenNameIdentifier: + getNextToken(); + // static_class_constant: + // T_STRING T_PAAMAYIM_NEKUDOTAYIM T_STRING + if (token == TokenNamePAAMAYIM_NEKUDOTAYIM) { + getNextToken(); + if (token == TokenNameIdentifier) { + getNextToken(); + } else { + throwSyntaxError("Identifier expected after '::' operator."); + } + } + break; + case TokenNameEncapsedString0: + try { + scanner.currentCharacter = scanner.source[scanner.currentPosition++]; + while (scanner.currentCharacter != '`') { + if (scanner.currentCharacter == '\\') { + scanner.currentPosition++; + } + scanner.currentCharacter = scanner.source[scanner.currentPosition++]; + } + getNextToken(); + } catch (IndexOutOfBoundsException e) { + throwSyntaxError("'`' expected at end of static string."); + } + break; + // case TokenNameEncapsedString1: + // try { + // scanner.currentCharacter = scanner.source[scanner.currentPosition++]; + // while (scanner.currentCharacter != '\'') { + // if (scanner.currentCharacter == '\\') { + // scanner.currentPosition++; + // } + // scanner.currentCharacter = scanner.source[scanner.currentPosition++]; + // } + // getNextToken(); + // } catch (IndexOutOfBoundsException e) { + // throwSyntaxError("'\'' expected at end of static string."); + // } + // break; + // case TokenNameEncapsedString2: + // try { + // scanner.currentCharacter = scanner.source[scanner.currentPosition++]; + // while (scanner.currentCharacter != '"') { + // if (scanner.currentCharacter == '\\') { + // scanner.currentPosition++; + // } + // scanner.currentCharacter = scanner.source[scanner.currentPosition++]; + // } + // getNextToken(); + // } catch (IndexOutOfBoundsException e) { + // throwSyntaxError("'\"' expected at end of static string."); + // } + // break; + case TokenNameStringSingleQuote: + getNextToken(); + break; + case TokenNameStringDoubleQuote: + getNextToken(); + break; + case TokenNamePLUS: + getNextToken(); + static_scalar(); + break; + case TokenNameMINUS: + getNextToken(); + static_scalar(); + break; + case TokenNamearray: + getNextToken(); + if (token != TokenNameLPAREN) { + throwSyntaxError("'(' expected after keyword 'array'"); + } + getNextToken(); + if (token == TokenNameRPAREN) { + getNextToken(); + break; + } + non_empty_static_array_pair_list(); + if (token != TokenNameRPAREN) { + throwSyntaxError("')' or ',' expected after keyword 'array'"); + } + getNextToken(); + break; + // case TokenNamenull : + // getNextToken(); + // break; + // case TokenNamefalse : + // getNextToken(); + // break; + // case TokenNametrue : + // getNextToken(); + // break; + default: + throwSyntaxError("Static scalar/constant expected."); + } + } + + private void non_empty_static_array_pair_list() { + // non_empty_static_array_pair_list: + // non_empty_static_array_pair_list ',' static_scalar T_DOUBLE_ARROW + // static_scalar + // | non_empty_static_array_pair_list ',' static_scalar + // | static_scalar T_DOUBLE_ARROW static_scalar + // | static_scalar + while (true) { + static_scalar(); + if (token == TokenNameEQUAL_GREATER) { + getNextToken(); + static_scalar(); + } + if (token != TokenNameCOMMA) { + break; + } + getNextToken(); + if (token == TokenNameRPAREN) { + break; + } + } + } + + // public void reportSyntaxError() { //int act, int currentKind, int + // // stateStackTop) { + // /* remember current scanner position */ + // int startPos = scanner.startPosition; + // int currentPos = scanner.currentPosition; + // + // this.checkAndReportBracketAnomalies(problemReporter()); + // /* reset scanner where it was */ + // scanner.startPosition = startPos; + // scanner.currentPosition = currentPos; + // } + + public static final int RoundBracket = 0; + + public static final int SquareBracket = 1; + + public static final int CurlyBracket = 2; + + public static final int BracketKinds = 3; + + protected int[] nestedMethod; // the ptr is nestedType + + protected int nestedType, dimensions; + + // variable set stack + final static int VariableStackIncrement = 10; + + HashMap fTypeVariables = null; + + HashMap fMethodVariables = null; + + ArrayList fStackUnassigned = new ArrayList(); + + // ast stack + final static int AstStackIncrement = 100; + + protected int astPtr; + + protected ASTNode[] astStack = new ASTNode[AstStackIncrement]; + + protected int astLengthPtr; + + protected int[] astLengthStack; + + ASTNode[] noAstNodes = new ASTNode[AstStackIncrement]; + + public CompilationUnitDeclaration compilationUnit; /* + * the result from + * parse() + */ + + protected ReferenceContext referenceContext; + + protected ProblemReporter problemReporter; + + protected CompilerOptions options; + + private ArrayList includesList; + + // protected CompilationResult compilationResult; + /** + * Returns this parser's problem reporter initialized with its reference + * context. Also it is assumed that a problem is going to be reported, so + * initializes the compilation result's line positions. + */ + public ProblemReporter problemReporter() { + if (scanner.recordLineSeparator) { + compilationUnit.compilationResult.lineSeparatorPositions = scanner + .getLineEnds(); + } + problemReporter.referenceContext = referenceContext; + return problemReporter; + } + + /* + * Reconsider the entire source looking for inconsistencies in {} () [] + */ + // public boolean checkAndReportBracketAnomalies(ProblemReporter + // problemReporter) { + // scanner.wasAcr = false; + // boolean anomaliesDetected = false; + // try { + // char[] source = scanner.source; + // int[] leftCount = { 0, 0, 0 }; + // int[] rightCount = { 0, 0, 0 }; + // int[] depths = { 0, 0, 0 }; + // int[][] leftPositions = new int[][] { new int[10], new int[10], new + // int[10] + // }; + // int[][] leftDepths = new int[][] { new int[10], new int[10], new int[10] + // }; + // int[][] rightPositions = new int[][] { new int[10], new int[10], new + // int[10] }; + // int[][] rightDepths = new int[][] { new int[10], new int[10], new int[10] + // }; + // scanner.currentPosition = scanner.initialPosition; //starting + // // point + // // (first-zero-based + // // char) + // while (scanner.currentPosition < scanner.eofPosition) { //loop for + // // jumping + // // over + // // comments + // try { + // // ---------Consume white space and handles + // // startPosition--------- + // boolean isWhiteSpace; + // do { + // scanner.startPosition = scanner.currentPosition; + // // if (((scanner.currentCharacter = + // // source[scanner.currentPosition++]) == '\\') && + // // (source[scanner.currentPosition] == 'u')) { + // // isWhiteSpace = scanner.jumpOverUnicodeWhiteSpace(); + // // } else { + // if (scanner.recordLineSeparator && ((scanner.currentCharacter == '\r') || + // (scanner.currentCharacter == '\n'))) { + // if (scanner.lineEnds[scanner.linePtr] < scanner.startPosition) { + // // only record line positions we have not + // // recorded yet + // scanner.pushLineSeparator(); + // } + // } + // isWhiteSpace = CharOperation.isWhitespace(scanner.currentCharacter); + // // } + // } while (isWhiteSpace && (scanner.currentPosition < + // scanner.eofPosition)); + // // -------consume token until } is found--------- + // switch (scanner.currentCharacter) { + // case '{': { + // int index = leftCount[CurlyBracket]++; + // if (index == leftPositions[CurlyBracket].length) { + // System.arraycopy(leftPositions[CurlyBracket], 0, + // (leftPositions[CurlyBracket] = new int[index * 2]), 0, index); + // System.arraycopy(leftDepths[CurlyBracket], 0, (leftDepths[CurlyBracket] = + // new int[index * 2]), 0, index); + // } + // leftPositions[CurlyBracket][index] = scanner.startPosition; + // leftDepths[CurlyBracket][index] = depths[CurlyBracket]++; + // } + // break; + // case '}': { + // int index = rightCount[CurlyBracket]++; + // if (index == rightPositions[CurlyBracket].length) { + // System.arraycopy(rightPositions[CurlyBracket], 0, + // (rightPositions[CurlyBracket] = new int[index * 2]), 0, index); + // System.arraycopy(rightDepths[CurlyBracket], 0, (rightDepths[CurlyBracket] + // = + // new int[index * 2]), 0, index); + // } + // rightPositions[CurlyBracket][index] = scanner.startPosition; + // rightDepths[CurlyBracket][index] = --depths[CurlyBracket]; + // } + // break; + // case '(': { + // int index = leftCount[RoundBracket]++; + // if (index == leftPositions[RoundBracket].length) { + // System.arraycopy(leftPositions[RoundBracket], 0, + // (leftPositions[RoundBracket] = new int[index * 2]), 0, index); + // System.arraycopy(leftDepths[RoundBracket], 0, (leftDepths[RoundBracket] = + // new int[index * 2]), 0, index); + // } + // leftPositions[RoundBracket][index] = scanner.startPosition; + // leftDepths[RoundBracket][index] = depths[RoundBracket]++; + // } + // break; + // case ')': { + // int index = rightCount[RoundBracket]++; + // if (index == rightPositions[RoundBracket].length) { + // System.arraycopy(rightPositions[RoundBracket], 0, + // (rightPositions[RoundBracket] = new int[index * 2]), 0, index); + // System.arraycopy(rightDepths[RoundBracket], 0, (rightDepths[RoundBracket] + // = + // new int[index * 2]), 0, index); + // } + // rightPositions[RoundBracket][index] = scanner.startPosition; + // rightDepths[RoundBracket][index] = --depths[RoundBracket]; + // } + // break; + // case '[': { + // int index = leftCount[SquareBracket]++; + // if (index == leftPositions[SquareBracket].length) { + // System.arraycopy(leftPositions[SquareBracket], 0, + // (leftPositions[SquareBracket] = new int[index * 2]), 0, index); + // System.arraycopy(leftDepths[SquareBracket], 0, (leftDepths[SquareBracket] + // = + // new int[index * 2]), 0, index); + // } + // leftPositions[SquareBracket][index] = scanner.startPosition; + // leftDepths[SquareBracket][index] = depths[SquareBracket]++; + // } + // break; + // case ']': { + // int index = rightCount[SquareBracket]++; + // if (index == rightPositions[SquareBracket].length) { + // System.arraycopy(rightPositions[SquareBracket], 0, + // (rightPositions[SquareBracket] = new int[index * 2]), 0, index); + // System.arraycopy(rightDepths[SquareBracket], 0, + // (rightDepths[SquareBracket] + // = new int[index * 2]), 0, index); + // } + // rightPositions[SquareBracket][index] = scanner.startPosition; + // rightDepths[SquareBracket][index] = --depths[SquareBracket]; + // } + // break; + // case '\'': { + // if (scanner.getNextChar('\\')) { + // scanner.scanEscapeCharacter(); + // } else { // consume next character + // scanner.unicodeAsBackSlash = false; + // // if (((scanner.currentCharacter = + // // source[scanner.currentPosition++]) == + // // '\\') && + // // (source[scanner.currentPosition] == + // // 'u')) { + // // scanner.getNextUnicodeChar(); + // // } else { + // if (scanner.withoutUnicodePtr != 0) { + // scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = + // scanner.currentCharacter; + // } + // // } + // } + // scanner.getNextChar('\''); + // break; + // } + // case '"': + // // consume next character + // scanner.unicodeAsBackSlash = false; + // // if (((scanner.currentCharacter = + // // source[scanner.currentPosition++]) == '\\') && + // // (source[scanner.currentPosition] == 'u')) { + // // scanner.getNextUnicodeChar(); + // // } else { + // if (scanner.withoutUnicodePtr != 0) { + // scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = + // scanner.currentCharacter; + // } + // // } + // while (scanner.currentCharacter != '"') { + // if (scanner.currentCharacter == '\r') { + // if (source[scanner.currentPosition] == '\n') + // scanner.currentPosition++; + // break; // the string cannot go further that + // // the line + // } + // if (scanner.currentCharacter == '\n') { + // break; // the string cannot go further that + // // the line + // } + // if (scanner.currentCharacter == '\\') { + // scanner.scanEscapeCharacter(); + // } + // // consume next character + // scanner.unicodeAsBackSlash = false; + // // if (((scanner.currentCharacter = + // // source[scanner.currentPosition++]) == '\\') + // // && (source[scanner.currentPosition] == 'u')) + // // { + // // scanner.getNextUnicodeChar(); + // // } else { + // if (scanner.withoutUnicodePtr != 0) { + // scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = + // scanner.currentCharacter; + // } + // // } + // } + // break; + // case '/': { + // int test; + // if ((test = scanner.getNextChar('/', '*')) == 0) { //line + // // comment + // //get the next char + // if (((scanner.currentCharacter = source[scanner.currentPosition++]) == + // '\\') + // && (source[scanner.currentPosition] == 'u')) { + // //-------------unicode traitement + // // ------------ + // int c1 = 0, c2 = 0, c3 = 0, c4 = 0; + // scanner.currentPosition++; + // while (source[scanner.currentPosition] == 'u') { + // scanner.currentPosition++; + // } + // if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 || c1 < 0 + // || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c2 < 0 + // || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c3 < 0 + // || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c4 < 0) { //error + // // don't + // // care of the + // // value + // scanner.currentCharacter = 'A'; + // } //something different from \n and \r + // else { + // scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4); + // } + // } + // while (scanner.currentCharacter != '\r' && scanner.currentCharacter != + // '\n') { + // //get the next char + // scanner.startPosition = scanner.currentPosition; + // if (((scanner.currentCharacter = source[scanner.currentPosition++]) == + // '\\') + // && (source[scanner.currentPosition] == 'u')) { + // //-------------unicode traitement + // // ------------ + // int c1 = 0, c2 = 0, c3 = 0, c4 = 0; + // scanner.currentPosition++; + // while (source[scanner.currentPosition] == 'u') { + // scanner.currentPosition++; + // } + // if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 || c1 < 0 + // || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c2 < 0 + // || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c3 < 0 + // || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c4 < 0) { //error + // // don't + // // care of the + // // value + // scanner.currentCharacter = 'A'; + // } //something different from \n + // // and \r + // else { + // scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4); + // } + // } + // } + // if (scanner.recordLineSeparator && ((scanner.currentCharacter == '\r') || + // (scanner.currentCharacter == '\n'))) { + // if (scanner.lineEnds[scanner.linePtr] < scanner.startPosition) { + // // only record line positions we + // // have not recorded yet + // scanner.pushLineSeparator(); + // if (this.scanner.taskTags != null) { + // this.scanner.checkTaskTag(this.scanner.getCurrentTokenStartPosition(), + // this.scanner + // .getCurrentTokenEndPosition()); + // } + // } + // } + // break; + // } + // if (test > 0) { //traditional and annotation + // // comment + // boolean star = false; + // // consume next character + // scanner.unicodeAsBackSlash = false; + // // if (((scanner.currentCharacter = + // // source[scanner.currentPosition++]) == + // // '\\') && + // // (source[scanner.currentPosition] == + // // 'u')) { + // // scanner.getNextUnicodeChar(); + // // } else { + // if (scanner.withoutUnicodePtr != 0) { + // scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = + // scanner.currentCharacter; + // } + // // } + // if (scanner.currentCharacter == '*') { + // star = true; + // } + // //get the next char + // if (((scanner.currentCharacter = source[scanner.currentPosition++]) == + // '\\') + // && (source[scanner.currentPosition] == 'u')) { + // //-------------unicode traitement + // // ------------ + // int c1 = 0, c2 = 0, c3 = 0, c4 = 0; + // scanner.currentPosition++; + // while (source[scanner.currentPosition] == 'u') { + // scanner.currentPosition++; + // } + // if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 || c1 < 0 + // || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c2 < 0 + // || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c3 < 0 + // || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c4 < 0) { //error + // // don't + // // care of the + // // value + // scanner.currentCharacter = 'A'; + // } //something different from * and / + // else { + // scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4); + // } + // } + // //loop until end of comment */ + // while ((scanner.currentCharacter != '/') || (!star)) { + // star = scanner.currentCharacter == '*'; + // //get next char + // if (((scanner.currentCharacter = source[scanner.currentPosition++]) == + // '\\') + // && (source[scanner.currentPosition] == 'u')) { + // //-------------unicode traitement + // // ------------ + // int c1 = 0, c2 = 0, c3 = 0, c4 = 0; + // scanner.currentPosition++; + // while (source[scanner.currentPosition] == 'u') { + // scanner.currentPosition++; + // } + // if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 || c1 < 0 + // || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c2 < 0 + // || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c3 < 0 + // || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > + // 15 + // || c4 < 0) { //error + // // don't + // // care of the + // // value + // scanner.currentCharacter = 'A'; + // } //something different from * and + // // / + // else { + // scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4); + // } + // } + // } + // if (this.scanner.taskTags != null) { + // this.scanner.checkTaskTag(this.scanner.getCurrentTokenStartPosition(), + // this.scanner.getCurrentTokenEndPosition()); + // } + // break; + // } + // break; + // } + // default: + // if (Scanner.isPHPIdentifierStart(scanner.currentCharacter)) { + // scanner.scanIdentifierOrKeyword(false); + // break; + // } + // if (Character.isDigit(scanner.currentCharacter)) { + // scanner.scanNumber(false); + // break; + // } + // } + // //-----------------end switch while + // // try-------------------- + // } catch (IndexOutOfBoundsException e) { + // break; // read until EOF + // } catch (InvalidInputException e) { + // return false; // no clue + // } + // } + // if (scanner.recordLineSeparator) { + // compilationUnit.compilationResult.lineSeparatorPositions = + // scanner.getLineEnds(); + // } + // // check placement anomalies against other kinds of brackets + // for (int kind = 0; kind < BracketKinds; kind++) { + // for (int leftIndex = leftCount[kind] - 1; leftIndex >= 0; leftIndex--) { + // int start = leftPositions[kind][leftIndex]; // deepest + // // first + // // find matching closing bracket + // int depth = leftDepths[kind][leftIndex]; + // int end = -1; + // for (int i = 0; i < rightCount[kind]; i++) { + // int pos = rightPositions[kind][i]; + // // want matching bracket further in source with same + // // depth + // if ((pos > start) && (depth == rightDepths[kind][i])) { + // end = pos; + // break; + // } + // } + // if (end < 0) { // did not find a good closing match + // problemReporter.unmatchedBracket(start, referenceContext, + // compilationUnit.compilationResult); + // return true; + // } + // // check if even number of opening/closing other brackets + // // in between this pair of brackets + // int balance = 0; + // for (int otherKind = 0; (balance == 0) && (otherKind < BracketKinds); + // otherKind++) { + // for (int i = 0; i < leftCount[otherKind]; i++) { + // int pos = leftPositions[otherKind][i]; + // if ((pos > start) && (pos < end)) + // balance++; + // } + // for (int i = 0; i < rightCount[otherKind]; i++) { + // int pos = rightPositions[otherKind][i]; + // if ((pos > start) && (pos < end)) + // balance--; + // } + // if (balance != 0) { + // problemReporter.unmatchedBracket(start, referenceContext, + // compilationUnit.compilationResult); //bracket + // // anomaly + // return true; + // } + // } + // } + // // too many opening brackets ? + // for (int i = rightCount[kind]; i < leftCount[kind]; i++) { + // anomaliesDetected = true; + // problemReporter.unmatchedBracket(leftPositions[kind][leftCount[kind] - i + // - + // 1], referenceContext, + // compilationUnit.compilationResult); + // } + // // too many closing brackets ? + // for (int i = leftCount[kind]; i < rightCount[kind]; i++) { + // anomaliesDetected = true; + // problemReporter.unmatchedBracket(rightPositions[kind][i], + // referenceContext, + // compilationUnit.compilationResult); + // } + // if (anomaliesDetected) + // return true; + // } + // return anomaliesDetected; + // } catch (ArrayStoreException e) { // jdk1.2.2 jit bug + // return anomaliesDetected; + // } catch (NullPointerException e) { // jdk1.2.2 jit bug + // return anomaliesDetected; + // } + // } +// protected void pushOnAstLengthStack(int pos) { +// try { +// astLengthStack[++astLengthPtr] = pos; +// } catch (IndexOutOfBoundsException e) { +// int oldStackLength = astLengthStack.length; +// int[] oldPos = astLengthStack; +// astLengthStack = new int[oldStackLength + StackIncrement]; +// System.arraycopy(oldPos, 0, astLengthStack, 0, oldStackLength); +// astLengthStack[astLengthPtr] = pos; +// } +// } + + protected void pushOnAstStack(ASTNode node) { + /* + * add a new obj on top of the ast stack + */ + try { + astStack[++astPtr] = node; + } catch (IndexOutOfBoundsException e) { + int oldStackLength = astStack.length; + ASTNode[] oldStack = astStack; + astStack = new ASTNode[oldStackLength + AstStackIncrement]; + System.arraycopy(oldStack, 0, astStack, 0, oldStackLength); + astPtr = oldStackLength; + astStack[astPtr] = node; + } + try { + astLengthStack[++astLengthPtr] = 1; + } catch (IndexOutOfBoundsException e) { + int oldStackLength = astLengthStack.length; + int[] oldPos = astLengthStack; + astLengthStack = new int[oldStackLength + AstStackIncrement]; + System.arraycopy(oldPos, 0, astLengthStack, 0, oldStackLength); + astLengthStack[astLengthPtr] = 1; + } + } + + protected void resetModifiers() { + this.modifiers = AccDefault; + this.modifiersSourceStart = -1; // <-- see comment into + // modifiersFlag(int) + this.scanner.commentPtr = -1; + } + + protected void consumePackageDeclarationName(IFile file) { + // create a package name similar to java package names + // incastrix + //String projectPath = ProjectPrefUtil.getDocumentRoot(file.getProject()) + // .toString(); + //String filePath = file.getFullPath().toString(); + + String ext = file.getFileExtension(); + int fileExtensionLength = ext == null ? 0 : ext.length() + 1; + ImportReference impt; + char[][] tokens; + + /*if (filePath.startsWith(projectPath)) { + tokens = CharOperation.splitOn('/', filePath.toCharArray(), + projectPath.length() + 1, filePath.length() + - fileExtensionLength); + } else {*/ + String name = file.getName(); + tokens = new char[1][]; + tokens[0] = name.substring(0, name.length() - fileExtensionLength) + .toCharArray(); + //} + + this.compilationUnit.currentPackage = impt = new ImportReference( + tokens, new char[0], 0, 0, true); + + impt.declarationSourceStart = 0; + impt.declarationSourceEnd = 0; + impt.declarationEnd = 0; + // endPosition is just before the ; + + } + + public final static String[] GLOBALS = { "$this", "$_COOKIE", "$_ENV", + "$_FILES", "$_GET", "$GLOBALS", "$_POST", "$_REQUEST", "$_SESSION", + "$_SERVER" }; + + /** + * + */ + private void pushFunctionVariableSet() { + HashSet set = new HashSet(); + if (fStackUnassigned.isEmpty()) { + for (int i = 0; i < GLOBALS.length; i++) { + set.add(GLOBALS[i]); + } + } + fStackUnassigned.add(set); + } + + private void pushIfVariableSet() { + if (!fStackUnassigned.isEmpty()) { + HashSet set = new HashSet(); + fStackUnassigned.add(set); + } + } + + private HashSet removeIfVariableSet() { + if (!fStackUnassigned.isEmpty()) { + return (HashSet) fStackUnassigned + .remove(fStackUnassigned.size() - 1); + } + return null; + } + + /** + * Returns the set of assigned variables returns null if no Set is + * defined at the current scanner position + */ + private HashSet peekVariableSet() { + if (!fStackUnassigned.isEmpty()) { + return (HashSet) fStackUnassigned.get(fStackUnassigned.size() - 1); + } + return null; + } + + /** + * add the current identifier source to the set of assigned variables + * + * + * @param set + */ + private void addVariableSet(HashSet set) { + if (set != null) { + set.add(new String(scanner.getCurrentTokenSource())); + } + } + + /** + * add the current identifier source to the set of assigned variables + * + * + */ + private void addVariableSet() { + HashSet set = peekVariableSet(); + if (set != null) { + set.add(new String(scanner.getCurrentTokenSource())); + } + } + + /** + * add the current identifier source to the set of assigned variables + * + * + */ + private void addVariableSet(char[] token) { + HashSet set = peekVariableSet(); + if (set != null) { + set.add(new String(token)); + } + } + + /** + * check if the current identifier source is in the set of assigned + * variables Returns true, if no set is defined for the current scanner + * position + * + */ + private boolean containsVariableSet() { + return containsVariableSet(scanner.getCurrentTokenSource()); + } + + private boolean containsVariableSet(char[] token) { + + if (!fStackUnassigned.isEmpty()) { + HashSet set; + String str = new String(token); + for (int i = 0; i < fStackUnassigned.size(); i++) { + set = (HashSet) fStackUnassigned.get(i); + if (set.contains(str)) { + return true; + } + } + return false; + } + return true; + } } \ No newline at end of file