X-Git-Url: http://git.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/test/PHPParser.jj b/net.sourceforge.phpeclipse/src/test/PHPParser.jj index 57e9eb8..915c49c 100644 --- a/net.sourceforge.phpeclipse/src/test/PHPParser.jj +++ b/net.sourceforge.phpeclipse/src/test/PHPParser.jj @@ -28,147 +28,173 @@ import org.eclipse.core.runtime.CoreException; import org.eclipse.ui.texteditor.MarkerUtilities; import org.eclipse.jface.preference.IPreferenceStore; -import java.io.CharArrayReader; import java.util.Hashtable; +import java.util.Enumeration; +import java.util.ArrayList; import java.io.StringReader; +import java.io.*; import java.text.MessageFormat; import net.sourceforge.phpeclipse.actions.PHPStartApacheAction; import net.sourceforge.phpeclipse.PHPeclipsePlugin; +import net.sourceforge.phpdt.internal.compiler.ast.*; +import net.sourceforge.phpdt.internal.compiler.parser.OutlineableWithChildren; import net.sourceforge.phpdt.internal.compiler.parser.PHPOutlineInfo; /** * A new php parser. - * This php parser is inspired by the Java 1.2 grammar example + * This php parser is inspired by the Java 1.2 grammar example * given with JavaCC. You can get JavaCC at http://www.webgain.com * You can test the parser with the PHPParserTestCase2.java * @author Matthieu Casanova */ -public class PHPParser extends PHPParserSuperclass { - - private static PHPParser me; +public final class PHPParser extends PHPParserSuperclass { + /** The file that is parsed. */ private static IFile fileToParse; + /** The current segment. */ + private static OutlineableWithChildren currentSegment; + private static final String PARSE_ERROR_STRING = "Parse error"; //$NON-NLS-1$ private static final String PARSE_WARNING_STRING = "Warning"; //$NON-NLS-1$ - public static final int ERROR = 2; - public static final int WARNING = 1; - public static final int INFO = 0; - PHPOutlineInfo outlineInfo; + static PHPOutlineInfo outlineInfo; + + private static boolean assigning; + + /** The error level of the current ParseException. */ private static int errorLevel = ERROR; + /** The message of the current ParseException. If it's null it's because the parse exception wasn't handled */ private static String errorMessage; - public PHPParser() { - } + private static int errorStart = -1; + private static int errorEnd = -1; + private static PHPDocument phpDocument; + /** + * The point where html starts. + * It will be used by the token manager to create HTMLCode objects + */ + public static int htmlStart; - public static PHPParser getInstance(IFile fileToParse) { - if (me == null) { - me = new PHPParser(fileToParse); - } else { - me.setFileToParse(fileToParse); - } - return me; - } + //ast stack + private final static int AstStackIncrement = 100; + /** The stack of node. */ + private static AstNode[] nodes; + /** The cursor in expression stack. */ + private static int nodePtr; - public void setFileToParse(IFile fileToParse) { + public final void setFileToParse(final IFile fileToParse) { this.fileToParse = fileToParse; } - public static PHPParser getInstance(java.io.Reader stream) { - if (me == null) { - me = new PHPParser(stream); - } else { - me.ReInit(stream); - } - return me; + public PHPParser() { } - public PHPParser(IFile fileToParse) { + public PHPParser(final IFile fileToParse) { this(new StringReader("")); this.fileToParse = fileToParse; } - public void phpParserTester(String strEval) throws CoreException, ParseException { - PHPParserTokenManager.SwitchTo(PHPParserTokenManager.PHPPARSING); - StringReader stream = new StringReader(strEval); - if (jj_input_stream == null) { - jj_input_stream = new SimpleCharStream(stream, 1, 1); - } - ReInit(new StringReader(strEval)); - phpTest(); + /** + * Reinitialize the parser. + */ + private static final void init() { + nodes = new AstNode[AstStackIncrement]; + nodePtr = -1; + htmlStart = 0; } - public void htmlParserTester(String strEval) throws CoreException, ParseException { - StringReader stream = new StringReader(strEval); - if (jj_input_stream == null) { - jj_input_stream = new SimpleCharStream(stream, 1, 1); + /** + * Add an php node on the stack. + * @param node the node that will be added to the stack + */ + private static final void pushOnAstNodes(AstNode node) { + try { + nodes[++nodePtr] = node; + } catch (IndexOutOfBoundsException e) { + int oldStackLength = nodes.length; + AstNode[] oldStack = nodes; + nodes = new AstNode[oldStackLength + AstStackIncrement]; + System.arraycopy(oldStack, 0, nodes, 0, oldStackLength); + nodePtr = oldStackLength; + nodes[nodePtr] = node; } - ReInit(stream); - phpTest(); } - public PHPOutlineInfo parseInfo(Object parent, String s) { - outlineInfo = new PHPOutlineInfo(parent); - StringReader stream = new StringReader(s); + public final PHPOutlineInfo parseInfo(final Object parent, final String s) { + phpDocument = new PHPDocument(parent,"_root".toCharArray()); + currentSegment = phpDocument; + outlineInfo = new PHPOutlineInfo(parent, currentSegment); + final StringReader stream = new StringReader(s); if (jj_input_stream == null) { jj_input_stream = new SimpleCharStream(stream, 1, 1); } ReInit(stream); + init(); try { parse(); + phpDocument.nodes = new AstNode[nodes.length]; + System.arraycopy(nodes,0,phpDocument.nodes,0,nodes.length); + PHPeclipsePlugin.log(1,phpDocument.toString()); } catch (ParseException e) { - if (errorMessage == null) { - PHPeclipsePlugin.log(e); - } else { - setMarker(errorMessage, e.currentToken.beginLine, errorLevel); - errorMessage = null; - } + processParseException(e); } return outlineInfo; } - /** - * Create marker for the parse error + * This method will process the parse exception. + * If the error message is null, the parse exception wasn't catched and a trace is written in the log + * @param e the ParseException */ - private static void setMarker(String message, int lineNumber, int errorLevel) { - try { - setMarker(fileToParse, message, lineNumber, errorLevel); - } catch (CoreException e) { + private static void processParseException(final ParseException e) { + if (errorMessage == null) { PHPeclipsePlugin.log(e); + errorMessage = "this exception wasn't handled by the parser please tell us how to reproduce it"; + errorStart = SimpleCharStream.getPosition(); + errorEnd = errorStart + 1; } + setMarker(e); + errorMessage = null; } - public static void setMarker(IFile file, String message, int lineNumber, int errorLevel) throws CoreException { - if (file != null) { - Hashtable attributes = new Hashtable(); - MarkerUtilities.setMessage(attributes, message); - switch (errorLevel) { - case ERROR : - attributes.put(IMarker.SEVERITY, new Integer(IMarker.SEVERITY_ERROR)); - break; - case WARNING : - attributes.put(IMarker.SEVERITY, new Integer(IMarker.SEVERITY_WARNING)); - break; - case INFO : - attributes.put(IMarker.SEVERITY, new Integer(IMarker.SEVERITY_INFO)); - break; + /** + * Create marker for the parse error + * @param e the ParseException + */ + private static void setMarker(final ParseException e) { + try { + if (errorStart == -1) { + setMarker(fileToParse, + errorMessage, + SimpleCharStream.tokenBegin, + SimpleCharStream.tokenBegin + e.currentToken.image.length(), + errorLevel, + "Line " + e.currentToken.beginLine); + } else { + setMarker(fileToParse, + errorMessage, + errorStart, + errorEnd, + errorLevel, + "Line " + e.currentToken.beginLine); + errorStart = -1; + errorEnd = -1; } - MarkerUtilities.setLineNumber(attributes, lineNumber); - MarkerUtilities.createMarker(file, attributes, IMarker.PROBLEM); + } catch (CoreException e2) { + PHPeclipsePlugin.log(e2); } } /** * Create markers according to the external parser output */ - private static void createMarkers(String output, IFile file) throws CoreException { + private static void createMarkers(final String output, final IFile file) throws CoreException { // delete all markers file.deleteMarkers(IMarker.PROBLEM, false, 0); int indx = 0; - int brIndx = 0; + int brIndx; boolean flag = true; while ((brIndx = output.indexOf("
", indx)) != -1) { // newer php error output (tested with 4.2.3) @@ -185,7 +211,10 @@ public class PHPParser extends PHPParserSuperclass { } } - private static void scanLine(String output, IFile file, int indx, int brIndx) throws CoreException { + private static void scanLine(final String output, + final IFile file, + final int indx, + final int brIndx) throws CoreException { String current; StringBuffer lineNumberBuffer = new StringBuffer(10); char ch; @@ -223,12 +252,17 @@ public class PHPParser extends PHPParserSuperclass { } } - public void parse(String s) throws CoreException { - ReInit(new StringReader(s)); + public final void parse(final String s) throws CoreException { + final StringReader stream = new StringReader(s); + if (jj_input_stream == null) { + jj_input_stream = new SimpleCharStream(stream, 1, 1); + } + ReInit(stream); + init(); try { parse(); } catch (ParseException e) { - PHPeclipsePlugin.log(e); + processParseException(e); } } @@ -236,15 +270,15 @@ public class PHPParser extends PHPParserSuperclass { * Call the php parse command ( php -l -f <filename> ) * and create markers according to the external parser output */ - public static void phpExternalParse(IFile file) { - IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore(); - String filename = file.getLocation().toString(); + public static void phpExternalParse(final IFile file) { + final IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore(); + final String filename = file.getLocation().toString(); - String[] arguments = { filename }; - MessageFormat form = new MessageFormat(store.getString(PHPeclipsePlugin.EXTERNAL_PARSER_PREF)); - String command = form.format(arguments); + final String[] arguments = { filename }; + final MessageFormat form = new MessageFormat(store.getString(PHPeclipsePlugin.EXTERNAL_PARSER_PREF)); + final String command = form.format(arguments); - String parserResult = PHPStartApacheAction.getParserOutput(command, "External parser: "); + final String parserResult = PHPStartApacheAction.getParserOutput(command, "External parser: "); try { // parse the buffer to find the errors and warnings @@ -254,7 +288,19 @@ public class PHPParser extends PHPParserSuperclass { } } - public void parse() throws ParseException { + /** + * Put a new html block in the stack. + */ + public static final void createNewHTMLCode() { + final int currentPosition = SimpleCharStream.getPosition(); + if (currentPosition == htmlStart) { + return; + } + final char[] chars = SimpleCharStream.currentBuffer.substring(htmlStart,currentPosition+1).toCharArray(); + pushOnAstNodes(new HTMLCode(chars, htmlStart,currentPosition)); + } + + private static final void parse() throws ParseException { phpFile(); } } @@ -263,22 +309,24 @@ PARSER_END(PHPParser) TOKEN : { - " {PHPParser.createNewHTMLCode();} : PHPPARSING +| {PHPParser.createNewHTMLCode();} : PHPPARSING +| "> {PHPParser.htmlStart = SimpleCharStream.getPosition();} : DEFAULT } - TOKEN : +/* Skip any character if we are not in php mode */ + SKIP : { - "?>" : DEFAULT + < ~[] > } -/* WHITE SPACE */ +/* WHITE SPACE */ SKIP : { " " @@ -289,20 +337,25 @@ PARSER_END(PHPParser) } /* COMMENTS */ - - MORE : + SPECIAL_TOKEN : { "//" : IN_SINGLE_LINE_COMMENT | + "#" : IN_SINGLE_LINE_COMMENT +| <"/**" ~["/"]> { input_stream.backup(1); } : IN_FORMAL_COMMENT | "/*" : IN_MULTI_LINE_COMMENT } - -SPECIAL_TOKEN : + SPECIAL_TOKEN : +{ + : PHPPARSING +} + + SPECIAL_TOKEN : { - " > : PHPPARSING + " > : DEFAULT } @@ -333,112 +386,151 @@ MORE : | | | +| +| } /* LANGUAGE CONSTRUCT */ TOKEN : { - -| -| -| -| -| -| -| -| "> -| -| "> + +| +| +| +| +| +| +| +| "> +| +| "> } /* RESERVED WORDS AND LITERALS */ TOKEN : { - < BREAK: "break" > -| < CASE: "case" > -| < CONST: "const" > -| < CONTINUE: "continue" > -| < _DEFAULT: "default" > -| < DO: "do" > -| < EXTENDS: "extends" > -| < FALSE: "false" > -| < FOR: "for" > -| < GOTO: "goto" > -| < NEW: "new" > -| < NULL: "null" > -| < RETURN: "return" > -| < SUPER: "super" > -| < SWITCH: "switch" > -| < THIS: "this" > -| < TRUE: "true" > -| < WHILE: "while" > -| < ENDWHILE : "endwhile" > + +| +| +| <_DEFAULT : "default"> +| +| +| +| +| +| +| +| +| +| +| +| +| +| +| +| +| +| +| } /* TYPES */ - TOKEN : { - -| -| + +| +| | -| -| -| -| +| +| +| +| | } +//Misc token TOKEN : { - < _ORL : "OR" > -| < _ANDL: "AND"> + +| +| +| +| +| } -/* LITERALS */ +/* OPERATORS */ + TOKEN : +{ + +| +| +| +| +| +| +| +| +| +| +| +| +| >"> +| >>"> +| <_ORL : "OR"> +| <_ANDL : "AND"> +} +/* LITERALS */ TOKEN : { - < INTEGER_LITERAL: + (["l","L"])? | (["l","L"])? | (["l","L"])? > | - < #DECIMAL_LITERAL: ["1"-"9"] (["0"-"9"])* > + <#DECIMAL_LITERAL: ["1"-"9"] (["0"-"9"])* > | - < #HEX_LITERAL: "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])+ > + <#HEX_LITERAL: "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])+ > | - < #OCTAL_LITERAL: "0" (["0"-"7"])* > + <#OCTAL_LITERAL: "0" (["0"-"7"])* > | - < FLOATING_POINT_LITERAL: + )? (["f","F","d","D"])? | "." (["0"-"9"])+ ()? (["f","F","d","D"])? | (["0"-"9"])+ (["f","F","d","D"])? | (["0"-"9"])+ ()? ["f","F","d","D"] > | - < #EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ > + <#EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ > | - < STRING_LITERAL: ( | | )> -| < STRING_1: + | | )> +| -| < STRING_2: +| -| < STRING_3: +| } @@ -458,7 +550,7 @@ MORE : > | < #SPECIAL: - "_" + "_" | ["\u007f"-"\u00ff"] > } @@ -466,60 +558,48 @@ MORE : TOKEN : { - < LPAREN: "(" > -| < RPAREN: ")" > -| < LBRACE: "{" > -| < RBRACE: "}" > -| < LBRACKET: "[" > -| < RBRACKET: "]" > -| < SEMICOLON: ";" > -| < COMMA: "," > -| < DOT: "." > + +| +| +| +| +| +| +| +| } -/* OPERATORS */ +/* COMPARATOR */ TOKEN : { - -| -| < ASSIGN: "=" > -| < GT: ">" > -| < LT: "<" > -| < BANG: "!" > -| < HOOK: "?" > -| < COLON: ":" > -| < EQ: "==" > -| < LE: "<=" > -| < GE: ">=" > -| < NE: "!=" > -| < SC_OR: "||" > -| < SC_AND: "&&" > -| < INCR: "++" > -| < DECR: "--" > -| < PLUS: "+" > -| < MINUS: "-" > -| < STAR: "*" > -| < SLASH: "/" > -| < BIT_AND: "&" > -| < BIT_OR: "|" > -| < XOR: "^" > -| < REM: "%" > -| < LSHIFT: "<<" > -| < RSIGNEDSHIFT: ">>" > -| < RUNSIGNEDSHIFT: ">>>" > -| < PLUSASSIGN: "+=" > -| < MINUSASSIGN: "-=" > -| < STARASSIGN: "*=" > -| < SLASHASSIGN: "/=" > -| < ANDASSIGN: "&=" > -| < ORASSIGN: "|=" > -| < XORASSIGN: "^=" > -| < DOTASSIGN: ".=" > -| < REMASSIGN: "%=" > -| < LSHIFTASSIGN: "<<=" > -| < RSIGNEDSHIFTASSIGN: ">>=" > -| < RUNSIGNEDSHIFTASSIGN: ">>>=" > + "> +| +| +| ="> +| "> +| +| +} + +/* ASSIGNATION */ + TOKEN : +{ + +| >="> } TOKEN : @@ -527,26 +607,71 @@ MORE : < DOLLAR_ID: > } -/***************************************** - * THE JAVA LANGUAGE GRAMMAR STARTS HERE * - *****************************************/ +void phpFile() : +{} +{ + try { + (PhpBlock())* + + } catch (TokenMgrError e) { + PHPeclipsePlugin.log(e); + errorStart = SimpleCharStream.getPosition(); + errorEnd = errorStart + 1; + errorMessage = e.getMessage(); + errorLevel = ERROR; + throw generateParseException(); + } +} -/* - * Program structuring syntax follows. +/** + * A php block is a + * or + * or */ - -void phpTest() : -{} +void PhpBlock() : { + final int start = SimpleCharStream.getPosition(); +} +{ + phpEchoBlock() +| + [ + | + {try { + setMarker(fileToParse, + "You should use ' + try { + + } catch (ParseException e) { + errorMessage = "'?>' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } } -void phpFile() : -{} +PHPEchoBlock phpEchoBlock() : +{ + final Expression expr; + final int pos = SimpleCharStream.getPosition(); + PHPEchoBlock echoBlock; +} { - ("")* - + expr = Expression() [ ] + { + echoBlock = new PHPEchoBlock(expr,pos,SimpleCharStream.getPosition()); + pushOnAstNodes(echoBlock); + return echoBlock;} } void Php() : @@ -555,630 +680,2181 @@ void Php() : (BlockStatement())* } -void ClassDeclaration() : -{} +ClassDeclaration ClassDeclaration() : { - [ ] - ClassBody() + final ClassDeclaration classDeclaration; + final Token className; + Token superclassName = null; + final int pos; } - -void ClassBody() : -{} { - ( ClassBodyDeclaration() )* + + try { + {pos = SimpleCharStream.getPosition();} + className = + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', identifier expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + [ + + try { + superclassName = + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', identifier expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + ] + { + if (superclassName == null) { + classDeclaration = new ClassDeclaration(currentSegment, + className.image.toCharArray(), + pos, + 0); + } else { + classDeclaration = new ClassDeclaration(currentSegment, + className.image.toCharArray(), + superclassName.image.toCharArray(), + pos, + 0); + } + currentSegment.add(classDeclaration); + currentSegment = classDeclaration; + } + ClassBody(classDeclaration) + {currentSegment = (OutlineableWithChildren) currentSegment.getParent(); + classDeclaration.sourceEnd = SimpleCharStream.getPosition(); + pushOnAstNodes(classDeclaration); + return classDeclaration;} } -void ClassBodyDeclaration() : +void ClassBody(ClassDeclaration classDeclaration) : {} { - MethodDeclaration() -| - FieldDeclaration() + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image + "', '{' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + ( ClassBodyDeclaration(classDeclaration) )* + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', 'var', 'function' or '}' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } } -void FieldDeclaration() : -{} +/** + * A class can contain only methods and fields. + */ +void ClassBodyDeclaration(ClassDeclaration classDeclaration) : +{ + MethodDeclaration method; + FieldDeclaration field; +} { - VariableDeclarator() ( VariableDeclarator() )* + method = MethodDeclaration() {method.setParent(classDeclaration);} +| field = FieldDeclaration() } -void VariableDeclarator() : -{} +/** + * A class field declaration : it's var VariableDeclarator() (, VariableDeclarator())*;. + */ +FieldDeclaration FieldDeclaration() : +{ + VariableDeclaration variableDeclaration; + VariableDeclaration[] list; + final ArrayList arrayList = new ArrayList(); + final int pos = SimpleCharStream.getPosition(); +} +{ + variableDeclaration = VariableDeclarator() + {arrayList.add(variableDeclaration); + outlineInfo.addVariable(new String(variableDeclaration.name)); + currentSegment.add(variableDeclaration);} + ( variableDeclaration = VariableDeclarator() + {arrayList.add(variableDeclaration); + outlineInfo.addVariable(new String(variableDeclaration.name)); + currentSegment.add(variableDeclaration);} + )* + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected after variable declaration"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + + {list = new VariableDeclaration[arrayList.size()]; + arrayList.toArray(list); + return new FieldDeclaration(list, + pos, + SimpleCharStream.getPosition(), + currentSegment);} +} + +VariableDeclaration VariableDeclarator() : +{ + final String varName; + Expression initializer = null; + final int pos = SimpleCharStream.getPosition(); +} { - VariableDeclaratorId() [ VariableInitializer() ] + varName = VariableDeclaratorId() + [ + + try { + initializer = VariableInitializer() + } catch (ParseException e) { + errorMessage = "Literal expression expected in variable initializer"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + ] + { + if (initializer == null) { + return new VariableDeclaration(currentSegment, + varName.toCharArray(), + pos, + SimpleCharStream.getPosition()); + } + return new VariableDeclaration(currentSegment, + varName.toCharArray(), + initializer, + pos); + } } -void VariableDeclaratorId() : -{} +/** + * A Variable name. + * @return the variable name (with suffix) + */ +String VariableDeclaratorId() : { - Variable() ( LOOKAHEAD(2) VariableSuffix() )* + String expr; + Expression expression; + final StringBuffer buff = new StringBuffer(); + final int pos = SimpleCharStream.getPosition(); + ConstantIdentifier ex; +} +{ + try { + expr = Variable() {buff.append(expr);} + ( LOOKAHEAD(2) + {ex = new ConstantIdentifier(expr.toCharArray(), + pos, + SimpleCharStream.getPosition());} + expression = VariableSuffix(ex) + {buff.append(expression.toStringExpression());} + )* + {return buff.toString();} + } catch (ParseException e) { + errorMessage = "'$' expected for variable identifier"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } } -void Variable(): -{} +String Variable(): +{ + final StringBuffer buff; + Expression expression = null; + final Token token; + final String expr; +} { - ( Expression() ) * + token = [ expression = Expression() ] + { + if (expression == null && !assigning) { + return token.image.substring(1); + } + buff = new StringBuffer(token.image); + buff.append("{"); + buff.append(expression.toStringExpression()); + buff.append("}"); + return buff.toString(); + } | - VariableName() + expr = VariableName() + {return "$" + expr;} } -void VariableName(): -{} +String VariableName(): +{ + final StringBuffer buff; + String expr = null; + Expression expression = null; + final Token token; +} { - Expression() + expression = Expression() + {buff = new StringBuffer("{"); + buff.append(expression.toStringExpression()); + buff.append("}"); + return buff.toString();} | - ( Expression() ) * + token = [ expression = Expression() ] + { + if (expression == null) { + return token.image; + } + buff = new StringBuffer(token.image); + buff.append("{"); + buff.append(expression.toStringExpression()); + buff.append("}"); + return buff.toString(); + } +| + expr = VariableName() + { + buff = new StringBuffer("$"); + buff.append(expr); + return buff.toString(); + } | - VariableName() + token = {return token.image;} } -void VariableInitializer() : -{} +Expression VariableInitializer() : { - Expression() + final Expression expr; + final Token token; + final int pos = SimpleCharStream.getPosition(); } - -void ArrayVariable() : -{} { - Expression() ( Expression())* + expr = Literal() + {return expr;} +| + (token = | token = ) + {return new PrefixedUnaryExpression(new NumberLiteral(token.image.toCharArray(), + pos, + SimpleCharStream.getPosition()), + OperatorIds.MINUS, + pos);} +| + (token = | token = ) + {return new PrefixedUnaryExpression(new NumberLiteral(token.image.toCharArray(), + pos, + SimpleCharStream.getPosition()), + OperatorIds.PLUS, + pos);} +| + expr = ArrayDeclarator() + {return expr;} +| + token = + {return new ConstantIdentifier(token.image.toCharArray(),pos,SimpleCharStream.getPosition());} } -void ArrayInitializer() : -{} +ArrayVariableDeclaration ArrayVariable() : { - [ ArrayVariable() ( LOOKAHEAD(2) ArrayVariable() )* ] +Expression expr,expr2; } - -void MethodDeclaration() : -{} { - MethodDeclarator() - ( Block() | ) + expr = Expression() + [ expr2 = Expression() + {return new ArrayVariableDeclaration(expr,expr2);} + ] + {return new ArrayVariableDeclaration(expr,SimpleCharStream.getPosition());} } -void MethodDeclarator() : -{} +ArrayVariableDeclaration[] ArrayInitializer() : +{ + ArrayVariableDeclaration expr; + final ArrayList list = new ArrayList(); +} { - [] FormalParameters() + [ expr = ArrayVariable() + {list.add(expr);} + ( LOOKAHEAD(2) expr = ArrayVariable() + {list.add(expr);} + )* + ] + [ {list.add(null);}] + + { + ArrayVariableDeclaration[] vars = new ArrayVariableDeclaration[list.size()]; + list.toArray(vars); + return vars;} } -void FormalParameters() : -{} +/** + * A Method Declaration. + * function MetodDeclarator() Block() + */ +MethodDeclaration MethodDeclaration() : { - [ FormalParameter() ( FormalParameter() )* ] + final MethodDeclaration functionDeclaration; + final Block block; +} +{ + + try { + functionDeclaration = MethodDeclarator() + {outlineInfo.addVariable(new String(functionDeclaration.name));} + } catch (ParseException e) { + if (errorMessage != null) throw e; + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', function identifier expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + { + if (currentSegment != null) { + currentSegment.add(functionDeclaration); + currentSegment = functionDeclaration; + } + } + block = Block() + { + functionDeclaration.statements = block.statements; + if (currentSegment != null) { + currentSegment = (OutlineableWithChildren) currentSegment.getParent(); + } + return functionDeclaration; + } } -void FormalParameter() : -{} +/** + * A MethodDeclarator. + * [&] IDENTIFIER(parameters ...). + * @return a function description for the outline + */ +MethodDeclaration MethodDeclarator() : +{ + final Token identifier; + Token reference = null; + final Hashtable formalParameters; + final int pos = SimpleCharStream.getPosition(); +} { - [] VariableDeclarator() + [reference = ] identifier = + formalParameters = FormalParameters() + {return new MethodDeclaration(currentSegment, + identifier.image.toCharArray(), + formalParameters, + reference != null, + pos, + SimpleCharStream.getPosition());} } -void Type() : -{} +/** + * FormalParameters follows method identifier. + * (FormalParameter()) + */ +Hashtable FormalParameters() : { - -| - -| - -| - -| - -| - -| - -| - + VariableDeclaration var; + final Hashtable parameters = new Hashtable(); +} +{ + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', '(' expected after function identifier"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + [ var = FormalParameter() + {parameters.put(new String(var.name),var);} + ( + var = FormalParameter() + {parameters.put(new String(var.name),var);} + )* + ] + try { + + } catch (ParseException e) { + errorMessage = "')' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + {return parameters;} } -/* - * Expression syntax follows. +/** + * A formal parameter. + * $varname[=value] (,$varname[=value]) */ +VariableDeclaration FormalParameter() : +{ + final VariableDeclaration variableDeclaration; + Token token = null; +} +{ + [token = ] variableDeclaration = VariableDeclarator() + { + if (token != null) { + variableDeclaration.setReference(true); + } + return variableDeclaration;} +} + +ConstantIdentifier Type() : +{final int pos;} +{ + {pos = SimpleCharStream.getPosition(); + return new ConstantIdentifier(Types.STRING, + pos,pos-6);} +| {pos = SimpleCharStream.getPosition(); + return new ConstantIdentifier(Types.BOOL, + pos,pos-4);} +| {pos = SimpleCharStream.getPosition(); + return new ConstantIdentifier(Types.BOOLEAN, + pos,pos-7);} +| {pos = SimpleCharStream.getPosition(); + return new ConstantIdentifier(Types.REAL, + pos,pos-4);} +| {pos = SimpleCharStream.getPosition(); + return new ConstantIdentifier(Types.DOUBLE, + pos,pos-5);} +| {pos = SimpleCharStream.getPosition(); + return new ConstantIdentifier(Types.FLOAT, + pos,pos-5);} +| {pos = SimpleCharStream.getPosition(); + return new ConstantIdentifier(Types.INT, + pos,pos-3);} +| {pos = SimpleCharStream.getPosition(); + return new ConstantIdentifier(Types.INTEGER, + pos,pos-7);} +| {pos = SimpleCharStream.getPosition(); + return new ConstantIdentifier(Types.OBJECT, + pos,pos-6);} +} + +Expression Expression() : +{ + final Expression expr; +} +{ + expr = PrintExpression() {return expr;} +| expr = ListExpression() {return expr;} +| LOOKAHEAD(varAssignation()) + expr = varAssignation() {return expr;} +| expr = ConditionalExpression() {return expr;} +} -void Expression() : -/* - * This expansion has been written this way instead of: - * Assignment() | ConditionalExpression() - * for performance reasons. - * However, it is a weakening of the grammar for it allows the LHS of - * assignments to be any conditional expression whereas it can only be - * a primary expression. Consider adding a semantic predicate to work - * around this. +/** + * A Variable assignation. + * varName (an assign operator) any expression */ -{} +VarAssignation varAssignation() : { - PrintExpression() -| - ConditionalExpression() - [ - AssignmentOperator() Expression() - ] + String varName; + final Expression expression; + final int assignOperator; + final int pos = SimpleCharStream.getPosition(); +} +{ + varName = VariableDeclaratorId() + assignOperator = AssignmentOperator() + try { + expression = Expression() + } catch (ParseException e) { + if (errorMessage != null) { + throw e; + } + errorMessage = "expression expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + {return new VarAssignation(varName.toCharArray(), + expression, + assignOperator, + pos, + SimpleCharStream.getPosition());} } -void AssignmentOperator() : +int AssignmentOperator() : {} { - | | | | | | | | | | | | + {return VarAssignation.EQUAL;} +| {return VarAssignation.STAR_EQUAL;} +| {return VarAssignation.SLASH_EQUAL;} +| {return VarAssignation.REM_EQUAL;} +| {return VarAssignation.PLUS_EQUAL;} +| {return VarAssignation.MINUS_EQUAL;} +| {return VarAssignation.LSHIFT_EQUAL;} +| {return VarAssignation.RSIGNEDSHIFT_EQUAL;} +| {return VarAssignation.AND_EQUAL;} +| {return VarAssignation.XOR_EQUAL;} +| {return VarAssignation.OR_EQUAL;} +| {return VarAssignation.DOT_EQUAL;} +| {return VarAssignation.TILDE_EQUAL;} } -void ConditionalExpression() : -{} +Expression ConditionalExpression() : { - ConditionalOrExpression() [ Expression() ConditionalExpression() ] + final Expression expr; + Expression expr2 = null; + Expression expr3 = null; +} +{ + expr = ConditionalOrExpression() [ expr2 = Expression() expr3 = ConditionalExpression() ] +{ + if (expr3 == null) { + return expr; + } + return new ConditionalExpression(expr,expr2,expr3); +} } -void ConditionalOrExpression() : -{} +Expression ConditionalOrExpression() : { - ConditionalAndExpression() ( ( | <_ORL>) ConditionalAndExpression() )* + Expression expr,expr2; + int operator; +} +{ + expr = ConditionalAndExpression() + ( + ( + {operator = OperatorIds.OR_OR;} + | <_ORL> {operator = OperatorIds.ORL;} + ) expr2 = ConditionalAndExpression() + { + expr = new BinaryExpression(expr,expr2,operator); + } + )* + {return expr;} } -void ConditionalAndExpression() : -{} +Expression ConditionalAndExpression() : +{ + Expression expr,expr2; + int operator; +} { - ConcatExpression() ( ( | <_ANDL>) ConcatExpression() )* + expr = ConcatExpression() + ( + ( {operator = OperatorIds.AND_AND;} + | <_ANDL> {operator = OperatorIds.ANDL;}) + expr2 = ConcatExpression() {expr = new BinaryExpression(expr,expr2,operator);} + )* + {return expr;} } -void ConcatExpression() : -{} +Expression ConcatExpression() : +{ + Expression expr,expr2; +} { - InclusiveOrExpression() ( InclusiveOrExpression() )* + expr = InclusiveOrExpression() + ( + expr2 = InclusiveOrExpression() + {expr = new BinaryExpression(expr,expr2,OperatorIds.DOT);} + )* + {return expr;} } -void InclusiveOrExpression() : -{} +Expression InclusiveOrExpression() : +{ + Expression expr,expr2; +} { - ExclusiveOrExpression() ( ExclusiveOrExpression() )* + expr = ExclusiveOrExpression() + ( expr2 = ExclusiveOrExpression() + {expr = new BinaryExpression(expr,expr2,OperatorIds.OR);} + )* + {return expr;} } -void ExclusiveOrExpression() : -{} +Expression ExclusiveOrExpression() : +{ + Expression expr,expr2; +} { - AndExpression() ( AndExpression() )* + expr = AndExpression() + ( + expr2 = AndExpression() + {expr = new BinaryExpression(expr,expr2,OperatorIds.XOR);} + )* + {return expr;} } -void AndExpression() : -{} +Expression AndExpression() : +{ + Expression expr,expr2; +} { - EqualityExpression() ( EqualityExpression() )* + expr = EqualityExpression() + ( + expr2 = EqualityExpression() + {expr = new BinaryExpression(expr,expr2,OperatorIds.AND);} + )* + {return expr;} } -void EqualityExpression() : -{} +Expression EqualityExpression() : +{ + Expression expr,expr2; + int operator; +} { - RelationalExpression() ( ( | ) RelationalExpression() )* + expr = RelationalExpression() + ( + ( {operator = OperatorIds.EQUAL_EQUAL;} + | {operator = OperatorIds.DIF;} + | {operator = OperatorIds.DIF;} + | {operator = OperatorIds.BANG_EQUAL_EQUAL;} + | {operator = OperatorIds.EQUAL_EQUAL_EQUAL;} + ) + try { + expr2 = RelationalExpression() + } catch (ParseException e) { + if (errorMessage != null) { + throw e; + } + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', expression expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + { + expr = new BinaryExpression(expr,expr2,operator); + } + )* + {return expr;} } -void RelationalExpression() : -{} +Expression RelationalExpression() : +{ + Expression expr,expr2; + int operator; +} { - ShiftExpression() ( ( | | | ) ShiftExpression() )* + expr = ShiftExpression() + ( + ( {operator = OperatorIds.LESS;} + | {operator = OperatorIds.GREATER;} + | {operator = OperatorIds.LESS_EQUAL;} + | {operator = OperatorIds.GREATER_EQUAL;}) + expr2 = ShiftExpression() + {expr = new BinaryExpression(expr,expr2,operator);} + )* + {return expr;} } -void ShiftExpression() : -{} +Expression ShiftExpression() : +{ + Expression expr,expr2; + int operator; +} { - AdditiveExpression() ( ( | | ) AdditiveExpression() )* + expr = AdditiveExpression() + ( + ( {operator = OperatorIds.LEFT_SHIFT;} + | {operator = OperatorIds.RIGHT_SHIFT;} + | {operator = OperatorIds.UNSIGNED_RIGHT_SHIFT;}) + expr2 = AdditiveExpression() + {expr = new BinaryExpression(expr,expr2,operator);} + )* + {return expr;} } -void AdditiveExpression() : -{} +Expression AdditiveExpression() : +{ + Expression expr,expr2; + int operator; +} { - MultiplicativeExpression() ( ( | ) MultiplicativeExpression() )* + expr = MultiplicativeExpression() + ( + ( {operator = OperatorIds.PLUS;} + | {operator = OperatorIds.MINUS;} ) + expr2 = MultiplicativeExpression() + {expr = new BinaryExpression(expr,expr2,operator);} + )* + {return expr;} } -void MultiplicativeExpression() : -{} +Expression MultiplicativeExpression() : +{ + Expression expr,expr2; + int operator; +} { - UnaryExpression() ( ( | | ) UnaryExpression() )* + try { + expr = UnaryExpression() + } catch (ParseException e) { + if (errorMessage != null) throw e; + errorMessage = "unexpected token '"+e.currentToken.next.image+"'"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + ( + ( {operator = OperatorIds.MULTIPLY;} + | {operator = OperatorIds.DIVIDE;} + | {operator = OperatorIds.REMAINDER;}) + expr2 = UnaryExpression() + {expr = new BinaryExpression(expr,expr2,operator);} + )* + {return expr;} } -void UnaryExpression() : -{} +/** + * An unary expression starting with @, & or nothing + */ +Expression UnaryExpression() : +{ + Expression expr; + final int pos = SimpleCharStream.getPosition(); +} { - UnaryExpression() + expr = UnaryExpressionNoPrefix() + {return new PrefixedUnaryExpression(expr,OperatorIds.AND,pos);} | - ( | ) UnaryExpression() + expr = AtUnaryExpression() {return expr;} +} + +Expression AtUnaryExpression() : +{ + Expression expr; + final int pos = SimpleCharStream.getPosition(); +} +{ + + expr = AtUnaryExpression() + {return new PrefixedUnaryExpression(expr,OperatorIds.AT,pos);} | - PreIncrementExpression() + expr = UnaryExpressionNoPrefix() + {return expr;} +} + + +Expression UnaryExpressionNoPrefix() : +{ + Expression expr; + int operator; + final int pos = SimpleCharStream.getPosition(); +} +{ + ( {operator = OperatorIds.PLUS;} + | {operator = OperatorIds.MINUS;}) + expr = UnaryExpression() + {return new PrefixedUnaryExpression(expr,operator,pos);} | - PreDecrementExpression() + expr = PreIncDecExpression() + {return expr;} | - UnaryExpressionNotPlusMinus() + expr = UnaryExpressionNotPlusMinus() + {return expr;} } -void PreIncrementExpression() : -{} + +Expression PreIncDecExpression() : { - PrimaryExpression() +final Expression expr; +final int operator; + final int pos = SimpleCharStream.getPosition(); } - -void PreDecrementExpression() : -{} { - PrimaryExpression() + ( {operator = OperatorIds.PLUS_PLUS;} + | {operator = OperatorIds.MINUS_MINUS;}) + expr = PrimaryExpression() + {return new PrefixedUnaryExpression(expr,operator,pos);} } -void UnaryExpressionNotPlusMinus() : -{} +Expression UnaryExpressionNotPlusMinus() : { - UnaryExpression() -| - LOOKAHEAD( Type() ) - CastExpression() -| - PostfixExpression() -| - Literal() -| - Expression() + Expression expr; + final int pos = SimpleCharStream.getPosition(); +} +{ + expr = UnaryExpression() {return new PrefixedUnaryExpression(expr,OperatorIds.NOT,pos);} +| LOOKAHEAD( (Type() | ) ) + expr = CastExpression() {return expr;} +| expr = PostfixExpression() {return expr;} +| expr = Literal() {return expr;} +| expr = Expression() + try { + + } catch (ParseException e) { + errorMessage = "')' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + {return expr;} } -void CastExpression() : -{} +CastExpression CastExpression() : +{ +final ConstantIdentifier type; +final Expression expr; +final int pos = SimpleCharStream.getPosition(); +} { - Type() UnaryExpression() + + (type = Type() + | {type = new ConstantIdentifier(Types.ARRAY,pos,SimpleCharStream.getPosition());}) + expr = UnaryExpression() + {return new CastExpression(type,expr,pos,SimpleCharStream.getPosition());} } -void PostfixExpression() : -{} +Expression PostfixExpression() : +{ + Expression expr; + int operator = -1; + final int pos = SimpleCharStream.getPosition(); +} { - PrimaryExpression() [ | ] + expr = PrimaryExpression() + [ {operator = OperatorIds.PLUS_PLUS;} + | {operator = OperatorIds.MINUS_MINUS;}] + { + if (operator == -1) { + return expr; + } + return new PostfixedUnaryExpression(expr,operator,pos); + } } -void PrimaryExpression() : -{} +Expression PrimaryExpression() : +{ + final Token identifier; + Expression expr; + final int pos = SimpleCharStream.getPosition(); +} { LOOKAHEAD(2) - ClassIdentifier() (PrimarySuffix())* + identifier = expr = ClassIdentifier() + {expr = new ClassAccess(new ConstantIdentifier(identifier.image.toCharArray(), + pos, + SimpleCharStream.getPosition()), + expr, + ClassAccess.STATIC);} + (expr = PrimarySuffix(expr))* + {return expr;} | - PrimaryPrefix() ( PrimarySuffix() )* + expr = PrimaryPrefix() + (expr = PrimarySuffix(expr))* + {return expr;} | - ArrayInitializer() + expr = ArrayDeclarator() + {return expr;} } -void PrimaryPrefix() : -{} +ArrayInitializer ArrayDeclarator() : { - -| - ClassIdentifier() -| - VariableDeclaratorId() + final ArrayVariableDeclaration[] vars; + final int pos = SimpleCharStream.getPosition(); +} +{ + vars = ArrayInitializer() + {return new ArrayInitializer(vars,pos,SimpleCharStream.getPosition());} } -void ClassIdentifier(): -{} +Expression PrimaryPrefix() : { - -| - VariableDeclaratorId() + final Expression expr; + final Token token; + final String var; + final int pos = SimpleCharStream.getPosition(); +} +{ + token = {return new ConstantIdentifier(token.image.toCharArray(), + pos, + SimpleCharStream.getPosition());} +| expr = ClassIdentifier() {return new PrefixedUnaryExpression(expr, + OperatorIds.NEW, + pos);} +| var = VariableDeclaratorId() {return new ConstantIdentifier(var.toCharArray(), + pos, + SimpleCharStream.getPosition());} } -void PrimarySuffix() : -{} +PrefixedUnaryExpression classInstantiation() : { - Arguments() -| - VariableSuffix() + Expression expr; + final StringBuffer buff; + final int pos = SimpleCharStream.getPosition(); +} +{ + expr = ClassIdentifier() + [ + {buff = new StringBuffer(expr.toStringExpression());} + expr = PrimaryExpression() + {buff.append(expr.toStringExpression()); + expr = new ConstantIdentifier(buff.toString().toCharArray(), + pos, + SimpleCharStream.getPosition());} + ] + {return new PrefixedUnaryExpression(expr, + OperatorIds.NEW, + pos);} } -void VariableSuffix() : -{} +ConstantIdentifier ClassIdentifier(): +{ + final String expr; + final Token token; + final int pos = SimpleCharStream.getPosition(); +} { - VariableName() -| - [ Expression() ] + token = {return new ConstantIdentifier(token.image.toCharArray(), + pos, + SimpleCharStream.getPosition());} +| expr = VariableDeclaratorId() {return new ConstantIdentifier(expr.toCharArray(), + pos, + SimpleCharStream.getPosition());} } -void Literal() : -{} +AbstractSuffixExpression PrimarySuffix(Expression prefix) : { - -| - -| - -| - BooleanLiteral() -| - NullLiteral() + final AbstractSuffixExpression expr; +} +{ + expr = Arguments(prefix) {return expr;} +| expr = VariableSuffix(prefix) {return expr;} } -void BooleanLiteral() : -{} +AbstractSuffixExpression VariableSuffix(Expression prefix) : { - + String expr = null; + final int pos = SimpleCharStream.getPosition(); + Expression expression = null; +} +{ + + try { + expr = VariableName() + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', function call or field access expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + {return new ClassAccess(prefix, + new ConstantIdentifier(expr.toCharArray(),pos,SimpleCharStream.getPosition()), + ClassAccess.NORMAL);} | - + [ expression = Expression() | expression = Type() ] //Not good + try { + + } catch (ParseException e) { + errorMessage = "']' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + {return new ArrayDeclarator(prefix,expression,SimpleCharStream.getPosition());} } -void NullLiteral() : -{} +Literal Literal() : { - + final Token token; + final int pos; } - -void Arguments() : -{} { - [ ArgumentList() ] + token = {pos = SimpleCharStream.getPosition(); + return new NumberLiteral(token.image.toCharArray(),pos-token.image.length(),pos);} +| token = {pos = SimpleCharStream.getPosition(); + return new NumberLiteral(token.image.toCharArray(),pos-token.image.length(),pos);} +| token = {pos = SimpleCharStream.getPosition(); + return new StringLiteral(token.image.toCharArray(),pos-token.image.length());} +| {pos = SimpleCharStream.getPosition(); + return new TrueLiteral(pos-4,pos);} +| {pos = SimpleCharStream.getPosition(); + return new FalseLiteral(pos-4,pos);} +| {pos = SimpleCharStream.getPosition(); + return new NullLiteral(pos-4,pos);} } -void ArgumentList() : -{} +FunctionCall Arguments(Expression func) : +{ +Expression[] args = null; +} { - Expression() ( Expression() )* + [ args = ArgumentList() ] + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', ')' expected to close the argument list"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + {return new FunctionCall(func,args,SimpleCharStream.getPosition());} } -/* - * Statement syntax follows. +/** + * An argument list is a list of arguments separated by comma : + * argumentDeclaration() (, argumentDeclaration)* + * @return an array of arguments */ +Expression[] ArgumentList() : +{ +Expression arg; +final ArrayList list = new ArrayList(); +} +{ + arg = Expression() + {list.add(arg);} + ( + try { + arg = Expression() + {list.add(arg);} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. An expression expected after a comma in argument list"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + )* + { + Expression[] arguments = new Expression[list.size()]; + list.toArray(arguments); + return arguments;} +} -void Statement() : -{} +/** + * A Statement without break. + */ +Statement StatementNoBreak() : +{ + final Statement statement; + Token token = null; +} { LOOKAHEAD(2) - Expression() ( | "?>") -| - LOOKAHEAD(2) - LabeledStatement() -| - Block() -| - EmptyStatement() -| - StatementExpression() + statement = Expression() try { } catch (ParseException e) { - errorMessage = "';' expected after expression"; + if (e.currentToken.next.kind != 4) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + } + {return statement;} +| LOOKAHEAD(2) + statement = LabeledStatement() {return statement;} +| statement = Block() {return statement;} +| statement = EmptyStatement() {return statement;} +| statement = StatementExpression() + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected"; errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; throw e; } -| - SwitchStatement() -| - IfStatement() -| - WhileStatement() -| - DoStatement() -| - ForStatement() -| - BreakStatement() -| - ContinueStatement() -| - ReturnStatement() -| - EchoStatement() -| - IncludeStatement() -| - StaticStatement() -| - GlobalStatement() + {return statement;} +| statement = SwitchStatement() {return statement;} +| statement = IfStatement() {return statement;} +| statement = WhileStatement() {return statement;} +| statement = DoStatement() {return statement;} +| statement = ForStatement() {return statement;} +| statement = ForeachStatement() {return statement;} +| statement = ContinueStatement() {return statement;} +| statement = ReturnStatement() {return statement;} +| statement = EchoStatement() {return statement;} +| [token=] statement = IncludeStatement() + {if (token != null) { + ((InclusionStatement)statement).silent = true; + } + return statement;} +| statement = StaticStatement() {return statement;} +| statement = GlobalStatement() {return statement;} } -void IncludeStatement() : -{} +/** + * A Normal statement. + */ +Statement Statement() : { - Expression() ( | "?>") -| - Expression() ( | "?>") -| - Expression() ( | "?>") -| - Expression() ( | "?>") + final Statement statement; +} +{ + statement = StatementNoBreak() {return statement;} +| statement = BreakStatement() {return statement;} } -void PrintExpression() : -{} +/** + * An html block inside a php syntax. + */ +HTMLBlock htmlBlock() : +{ + final int startIndex = nodePtr; + AstNode[] blockNodes; + int nbNodes; +} { - Expression() + (phpEchoBlock())* + try { + ( | ) + } catch (ParseException e) { + errorMessage = "End of file unexpected, ' Expression() ( Expression())* + ( {keyword = InclusionStatement.REQUIRE;} + | {keyword = InclusionStatement.REQUIRE_ONCE;} + | {keyword = InclusionStatement.INCLUDE;} + | {keyword = InclusionStatement.INCLUDE_ONCE;}) try { - ( | "?>") + expr = Expression() } catch (ParseException e) { - errorMessage = "';' expected after 'echo' statement"; + if (errorMessage != null) { + throw e; + } + errorMessage = "unexpected token '"+ e.currentToken.next.image+"', expression expected"; errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; throw e; } + {inclusionStatement = new InclusionStatement(currentSegment, + keyword, + expr, + pos); + currentSegment.add(inclusionStatement); + } + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + {return inclusionStatement;} } -void GlobalStatement() : -{} +PrintExpression PrintExpression() : { - VariableDeclaratorId() ( VariableDeclaratorId())* ( | "?>") + final Expression expr; + final int pos = SimpleCharStream.getPosition(); +} +{ + expr = Expression() {return new PrintExpression(expr,pos,SimpleCharStream.getPosition());} } -void StaticStatement() : -{} +ListExpression ListExpression() : { - VariableDeclarator() ( VariableDeclarator())* ( | "?>") + String expr = null; + Expression expression = null; + ArrayList list = new ArrayList(); + final int pos = SimpleCharStream.getPosition(); +} +{ + + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', '(' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + [ + expr = VariableDeclaratorId() + {list.add(expr);} + ] + {if (expr == null) list.add(null);} + ( + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', ',' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + expr = VariableDeclaratorId() + {list.add(expr);} + )* + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', ')' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + [ expression = Expression() + { + String[] strings = new String[list.size()]; + list.toArray(strings); + return new ListExpression(strings, + expression, + pos, + SimpleCharStream.getPosition());} + ] + { + String[] strings = new String[list.size()]; + list.toArray(strings); + return new ListExpression(strings,pos,SimpleCharStream.getPosition());} } -void LabeledStatement() : -{} +/** + * An echo statement. + * echo anyexpression (, otherexpression)* + */ +EchoStatement EchoStatement() : +{ + final ArrayList expressions = new ArrayList(); + Expression expr; + final int pos = SimpleCharStream.getPosition(); +} { - Statement() + expr = Expression() + {expressions.add(expr);} + ( + expr = Expression() + {expressions.add(expr);} + )* + try { + + { + Expression[] exprs = new Expression[expressions.size()]; + expressions.toArray(exprs); + return new EchoStatement(exprs,pos);} + } catch (ParseException e) { + if (e.currentToken.next.kind != 4) { + errorMessage = "';' expected after 'echo' statement"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + } } -void Block() : -{} +GlobalStatement GlobalStatement() : +{ + final int pos = SimpleCharStream.getPosition(); + String expr; + ArrayList vars = new ArrayList(); + GlobalStatement global; +} +{ + + expr = VariableDeclaratorId() + {vars.add(expr);} + ( + expr = VariableDeclaratorId() + {vars.add(expr);} + )* + try { + + { + String[] strings = new String[vars.size()]; + vars.toArray(strings); + global = new GlobalStatement(currentSegment, + strings, + pos, + SimpleCharStream.getPosition()); + currentSegment.add(global); + return global;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. a ';' was expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } +} + +StaticStatement StaticStatement() : { - ( BlockStatement() )* + final int pos = SimpleCharStream.getPosition(); + final ArrayList vars = new ArrayList(); + VariableDeclaration expr; +} +{ + expr = VariableDeclarator() {vars.add(new String(expr.name));} + ( expr = VariableDeclarator() {vars.add(new String(expr.name));})* + try { + + { + String[] strings = new String[vars.size()]; + vars.toArray(strings); + return new StaticStatement(strings, + pos, + SimpleCharStream.getPosition());} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. a ';' was expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } } -void BlockStatement() : -{} +LabeledStatement LabeledStatement() : { - Statement() -| - ClassDeclaration() -| - MethodDeclaration() + final int pos = SimpleCharStream.getPosition(); + final Token label; + final Statement statement; +} +{ + label = statement = Statement() + {return new LabeledStatement(label.image.toCharArray(),statement,pos,SimpleCharStream.getPosition());} } -void LocalVariableDeclaration() : -{} +/** + * A Block is + * { + * statements + * }. + * @return a block + */ +Block Block() : { - VariableDeclarator() ( VariableDeclarator() )* + final int pos = SimpleCharStream.getPosition(); + final ArrayList list = new ArrayList(); + Statement statement; +} +{ + try { + + } catch (ParseException e) { + errorMessage = "'{' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + ( statement = BlockStatement() {list.add(statement);} + | statement = htmlBlock() {list.add(statement);})* + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.image +"', '}' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + { + Statement[] statements = new Statement[list.size()]; + list.toArray(statements); + return new Block(statements,pos,SimpleCharStream.getPosition());} } -void EmptyStatement() : -{} +Statement BlockStatement() : { - + final Statement statement; +} +{ + statement = Statement() {return statement;} +| statement = ClassDeclaration() {return statement;} +| statement = MethodDeclaration() {return statement;} } -void StatementExpression() : -/* - * The last expansion of this production accepts more than the legal - * Java expansions for StatementExpression. This expansion does not - * use PostfixExpression for performance reasons. +/** + * A Block statement that will not contain any 'break' */ -{} +Statement BlockStatementNoBreak() : { - PreIncrementExpression() -| - PreDecrementExpression() + final Statement statement; +} +{ + statement = StatementNoBreak() {return statement;} +| statement = ClassDeclaration() {return statement;} +| statement = MethodDeclaration() {return statement;} +} + +VariableDeclaration[] LocalVariableDeclaration() : +{ + final ArrayList list = new ArrayList(); + VariableDeclaration var; +} +{ + var = LocalVariableDeclarator() + {list.add(var);} + ( var = LocalVariableDeclarator() {list.add(var);})* + { + VariableDeclaration[] vars = new VariableDeclaration[list.size()]; + list.toArray(vars); + return vars;} +} + +VariableDeclaration LocalVariableDeclarator() : +{ + final String varName; + Expression initializer = null; + final int pos = SimpleCharStream.getPosition(); +} +{ + varName = VariableDeclaratorId() [ initializer = Expression() ] + { + if (initializer == null) { + return new VariableDeclaration(currentSegment, + varName.toCharArray(), + pos, + SimpleCharStream.getPosition()); + } + return new VariableDeclaration(currentSegment, + varName.toCharArray(), + initializer, + pos); + } +} + +EmptyStatement EmptyStatement() : +{ + final int pos; +} +{ + + {pos = SimpleCharStream.getPosition(); + return new EmptyStatement(pos-1,pos);} +} + +Statement StatementExpression() : +{ + Expression expr,expr2; + int operator; +} +{ + expr = PreIncDecExpression() {return expr;} | - PrimaryExpression() - [ - - | - - | - AssignmentOperator() Expression() + expr = PrimaryExpression() + [ {return new PostfixedUnaryExpression(expr, + OperatorIds.PLUS_PLUS, + SimpleCharStream.getPosition());} + | {return new PostfixedUnaryExpression(expr, + OperatorIds.MINUS_MINUS, + SimpleCharStream.getPosition());} + | operator = AssignmentOperator() expr2 = Expression() + {return new BinaryExpression(expr,expr2,operator);} ] + {return expr;} } -void SwitchStatement() : -{} +SwitchStatement SwitchStatement() : { - Expression() - ( SwitchLabel() ( BlockStatement() )* )* - + final Expression variable; + final AbstractCase[] cases; + final int pos = SimpleCharStream.getPosition(); +} +{ + + try { + + } catch (ParseException e) { + errorMessage = "'(' expected after 'switch'"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + variable = Expression() + } catch (ParseException e) { + if (errorMessage != null) { + throw e; + } + errorMessage = "expression expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + + } catch (ParseException e) { + errorMessage = "')' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + (cases = switchStatementBrace() | cases = switchStatementColon(pos, pos + 6)) + {return new SwitchStatement(variable,cases,pos,SimpleCharStream.getPosition());} } -void SwitchLabel() : -{} +AbstractCase[] switchStatementBrace() : { - Expression() -| - <_DEFAULT> + AbstractCase cas; + final ArrayList cases = new ArrayList(); +} +{ + + ( cas = switchLabel0() {cases.add(cas);})* + try { + + { + AbstractCase[] abcase = new AbstractCase[cases.size()]; + cases.toArray(abcase); + return abcase;} + } catch (ParseException e) { + errorMessage = "'}' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } +} +/** + * A Switch statement with : ... endswitch; + * @param start the begin offset of the switch + * @param end the end offset of the switch + */ +AbstractCase[] switchStatementColon(final int start, final int end) : +{ + AbstractCase cas; + final ArrayList cases = new ArrayList(); +} +{ + + {try { + setMarker(fileToParse, + "Ugly syntax detected, you should switch () {...} instead of switch (): ... enswitch;", + start, + end, + INFO, + "Line " + token.beginLine); + } catch (CoreException e) { + PHPeclipsePlugin.log(e); + }} + ( cas = switchLabel0() {cases.add(cas);})* + try { + + } catch (ParseException e) { + errorMessage = "'endswitch' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + + { + AbstractCase[] abcase = new AbstractCase[cases.size()]; + cases.toArray(abcase); + return abcase;} + } catch (ParseException e) { + errorMessage = "';' expected after 'endswitch' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } } -void IfStatement() : -/* - * The disambiguating algorithm of JavaCC automatically binds dangling - * else's to the innermost if statement. The LOOKAHEAD specification - * is to tell JavaCC that we know what we are doing. +AbstractCase switchLabel0() : +{ + final Expression expr; + Statement statement; + final ArrayList stmts = new ArrayList(); + final int pos = SimpleCharStream.getPosition(); +} +{ + expr = SwitchLabel() + ( statement = BlockStatementNoBreak() {stmts.add(statement);} + | statement = htmlBlock() {stmts.add(statement);})* + [ statement = BreakStatement() {stmts.add(statement);}] + { + Statement[] stmtsArray = new Statement[stmts.size()]; + stmts.toArray(stmtsArray); + if (expr == null) {//it's a default + return new DefaultCase(stmtsArray,pos,SimpleCharStream.getPosition()); + } + return new Case(expr,stmtsArray,pos,SimpleCharStream.getPosition());} +} + +/** + * A SwitchLabel. + * case Expression() : + * default : + * @return the if it was a case and null if not */ -{} +Expression SwitchLabel() : { - Condition("if") Statement() [ LOOKAHEAD(1) ElseIfStatement() ] [ LOOKAHEAD(1) Statement() ] + final Expression expr; +} +{ + token = + try { + expr = Expression() + } catch (ParseException e) { + if (errorMessage != null) throw e; + errorMessage = "expression expected after 'case' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + + {return expr;} + } catch (ParseException e) { + errorMessage = "':' expected after case expression"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } +| + token = <_DEFAULT> + try { + + {return null;} + } catch (ParseException e) { + errorMessage = "':' expected after 'default' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } } -void Condition(String keyword) : -{} +Break BreakStatement() : +{ + Expression expression = null; + final int start = SimpleCharStream.getPosition(); +} +{ + [ expression = Expression() ] + try { + + } catch (ParseException e) { + errorMessage = "';' expected after 'break' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + {return new Break(expression, start, SimpleCharStream.getPosition());} +} + +IfStatement IfStatement() : +{ + final int pos = SimpleCharStream.getPosition(); + Expression condition; + IfStatement ifStatement; +} +{ + condition = Condition("if") ifStatement = IfStatement0(condition, pos,pos+2) + {return ifStatement;} +} + + +Expression Condition(final String keyword) : +{ + final Expression condition; +} { try { } catch (ParseException e) { errorMessage = "'(' expected after " + keyword + " keyword"; errorLevel = ERROR; - throw e; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length(); + errorEnd = errorStart +1; + processParseException(e); } - Expression() + condition = Expression() try { + {return condition;} } catch (ParseException e) { errorMessage = "')' expected after " + keyword + " keyword"; errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; throw e; } } -void ElseIfStatement() : -{} +IfStatement IfStatement0(Expression condition, final int start,final int end) : +{ + Statement statement; + Statement stmt; + final Statement[] statementsArray; + ElseIf elseifStatement; + Else elseStatement = null; + ArrayList stmts; + final ArrayList elseIfList = new ArrayList(); + ElseIf[] elseIfs; + int pos = SimpleCharStream.getPosition(); + int endStatements; +} +{ + + {stmts = new ArrayList();} + ( statement = Statement() {stmts.add(statement);} + | statement = htmlBlock() {stmts.add(statement);})* + {endStatements = SimpleCharStream.getPosition();} + (elseifStatement = ElseIfStatementColon() {elseIfList.add(elseifStatement);})* + [elseStatement = ElseStatementColon()] + + {try { + setMarker(fileToParse, + "Ugly syntax detected, you should if () {...} instead of if (): ... endif;", + start, + end, + INFO, + "Line " + token.beginLine); + } catch (CoreException e) { + PHPeclipsePlugin.log(e); + }} + try { + + } catch (ParseException e) { + errorMessage = "'endif' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + + } catch (ParseException e) { + errorMessage = "';' expected after 'endif' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + { + elseIfs = new ElseIf[elseIfList.size()]; + elseIfList.toArray(elseIfs); + if (stmts.size() == 1) { + return new IfStatement(condition, + (Statement) stmts.get(0), + elseIfs, + elseStatement, + pos, + SimpleCharStream.getPosition()); + } else { + statementsArray = new Statement[stmts.size()]; + stmts.toArray(statementsArray); + return new IfStatement(condition, + new Block(statementsArray,pos,endStatements), + elseIfs, + elseStatement, + pos, + SimpleCharStream.getPosition()); + } + } + +| + (stmt = Statement() | stmt = htmlBlock()) + ( LOOKAHEAD(1) elseifStatement = ElseIfStatement() {elseIfList.add(elseifStatement);})* + [ LOOKAHEAD(1) + + try { + {pos = SimpleCharStream.getPosition();} + statement = Statement() + {elseStatement = new Else(statement,pos,SimpleCharStream.getPosition());} + } catch (ParseException e) { + if (errorMessage != null) { + throw e; + } + errorMessage = "unexpected token '"+e.currentToken.next.image+"', a statement was expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + ] + { + elseIfs = new ElseIf[elseIfList.size()]; + elseIfList.toArray(elseIfs); + return new IfStatement(condition, + stmt, + elseIfs, + elseStatement, + pos, + SimpleCharStream.getPosition());} +} + +ElseIf ElseIfStatementColon() : +{ + Expression condition; + Statement statement; + final ArrayList list = new ArrayList(); + final int pos = SimpleCharStream.getPosition(); +} { - Condition("elseif") Statement() + condition = Condition("elseif") + ( statement = Statement() {list.add(statement);} + | statement = htmlBlock() {list.add(statement);})* + { + Statement[] stmtsArray = new Statement[list.size()]; + list.toArray(stmtsArray); + return new ElseIf(condition,stmtsArray ,pos,SimpleCharStream.getPosition());} } -void WhileStatement() : -{} +Else ElseStatementColon() : +{ + Statement statement; + final ArrayList list = new ArrayList(); + final int pos = SimpleCharStream.getPosition(); +} { - Condition("while") WhileStatement0() + ( statement = Statement() {list.add(statement);} + | statement = htmlBlock() {list.add(statement);})* + { + Statement[] stmtsArray = new Statement[list.size()]; + list.toArray(stmtsArray); + return new Else(stmtsArray,pos,SimpleCharStream.getPosition());} } -void WhileStatement0() : -{} +ElseIf ElseIfStatement() : +{ + Expression condition; + Statement statement; + final ArrayList list = new ArrayList(); + final int pos = SimpleCharStream.getPosition(); +} +{ + condition = Condition("elseif") statement = Statement() {list.add(statement);/*todo:do better*/} + { + Statement[] stmtsArray = new Statement[list.size()]; + list.toArray(stmtsArray); + return new ElseIf(condition,stmtsArray,pos,SimpleCharStream.getPosition());} +} + +WhileStatement WhileStatement() : +{ + final Expression condition; + final Statement action; + final int pos = SimpleCharStream.getPosition(); +} +{ + + condition = Condition("while") + action = WhileStatement0(pos,pos + 5) + {return new WhileStatement(condition,action,pos,SimpleCharStream.getPosition());} +} + +Statement WhileStatement0(final int start, final int end) : +{ + Statement statement; + final ArrayList stmts = new ArrayList(); + final int pos = SimpleCharStream.getPosition(); +} { - (Statement())* ( | "?>") + (statement = Statement() {stmts.add(statement);})* + {try { + setMarker(fileToParse, + "Ugly syntax detected, you should while () {...} instead of while (): ... endwhile;", + start, + end, + INFO, + "Line " + token.beginLine); + } catch (CoreException e) { + PHPeclipsePlugin.log(e); + }} + try { + + } catch (ParseException e) { + errorMessage = "'endwhile' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + + { + Statement[] stmtsArray = new Statement[stmts.size()]; + stmts.toArray(stmtsArray); + return new Block(stmtsArray,pos,SimpleCharStream.getPosition());} + } catch (ParseException e) { + errorMessage = "';' expected after 'endwhile' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } | - Statement() + statement = Statement() + {return statement;} } -void DoStatement() : -{} +DoStatement DoStatement() : { - Statement() Condition("while") ( | "?>") + final Statement action; + final Expression condition; + final int pos = SimpleCharStream.getPosition(); +} +{ + action = Statement() condition = Condition("while") + try { + + {return new DoStatement(condition,action,pos,SimpleCharStream.getPosition());} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } } -void ForStatement() : -{} +ForeachStatement ForeachStatement() : +{ + Statement statement; + Expression expression; + final int pos = SimpleCharStream.getPosition(); + ArrayVariableDeclaration variable; +} +{ + + try { + + } catch (ParseException e) { + errorMessage = "'(' expected after 'foreach' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + expression = Expression() + } catch (ParseException e) { + errorMessage = "variable expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + + } catch (ParseException e) { + errorMessage = "'as' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + variable = ArrayVariable() + } catch (ParseException e) { + errorMessage = "variable expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + + } catch (ParseException e) { + errorMessage = "')' expected after 'foreach' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + statement = Statement() + } catch (ParseException e) { + if (errorMessage != null) throw e; + errorMessage = "statement expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + {return new ForeachStatement(expression, + variable, + statement, + pos, + SimpleCharStream.getPosition());} + +} + +ForStatement ForStatement() : { - [ ForInit() ] [ Expression() ] [ ForUpdate() ] Statement() +final Token token; +final int pos = SimpleCharStream.getPosition(); +Statement[] initializations = null; +Expression condition = null; +Statement[] increments = null; +Statement action; +final ArrayList list = new ArrayList(); +final int startBlock, endBlock; +} +{ + token = + try { + + } catch (ParseException e) { + errorMessage = "'(' expected after 'for' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + [ initializations = ForInit() ] + [ condition = Expression() ] + [ increments = StatementExpressionList() ] + ( + action = Statement() + {return new ForStatement(initializations,condition,increments,action,pos,SimpleCharStream.getPosition());} + | + + {startBlock = SimpleCharStream.getPosition();} + (action = Statement() {list.add(action);})* + { + try { + setMarker(fileToParse, + "Ugly syntax detected, you should for () {...} instead of for (): ... endfor;", + pos, + pos+token.image.length(), + INFO, + "Line " + token.beginLine); + } catch (CoreException e) { + PHPeclipsePlugin.log(e); + } + } + {endBlock = SimpleCharStream.getPosition();} + try { + + } catch (ParseException e) { + errorMessage = "'endfor' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + + { + Statement[] stmtsArray = new Statement[list.size()]; + list.toArray(stmtsArray); + return new ForStatement(initializations,condition,increments,new Block(stmtsArray,startBlock,endBlock),pos,SimpleCharStream.getPosition());} + } catch (ParseException e) { + errorMessage = "';' expected after 'endfor' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + ) } -void ForInit() : -{} +Statement[] ForInit() : +{ + Statement[] statements; +} { LOOKAHEAD(LocalVariableDeclaration()) - LocalVariableDeclaration() + statements = LocalVariableDeclaration() + {return statements;} | - StatementExpressionList() + statements = StatementExpressionList() + {return statements;} } -void StatementExpressionList() : -{} +Statement[] StatementExpressionList() : { - StatementExpression() ( StatementExpression() )* + final ArrayList list = new ArrayList(); + Statement expr; } - -void ForUpdate() : -{} { - StatementExpressionList() + expr = StatementExpression() {list.add(expr);} + ( StatementExpression() {list.add(expr);})* + { + Statement[] stmtsArray = new Statement[list.size()]; + list.toArray(stmtsArray); + return stmtsArray;} } -void BreakStatement() : -{} +Continue ContinueStatement() : { - [ ] + Expression expr = null; + final int pos = SimpleCharStream.getPosition(); } - -void ContinueStatement() : -{} { - [ ] + [ expr = Expression() ] + try { + + {return new Continue(expr,pos,SimpleCharStream.getPosition());} + } catch (ParseException e) { + errorMessage = "';' expected after 'continue' statement"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } } -void ReturnStatement() : -{} +ReturnStatement ReturnStatement() : +{ + Expression expr = null; + final int pos = SimpleCharStream.getPosition(); +} { - [ Expression() ] + [ expr = Expression() ] + try { + + {return new ReturnStatement(expr,pos,SimpleCharStream.getPosition());} + } catch (ParseException e) { + errorMessage = "';' expected after 'return' statement"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } } \ No newline at end of file