CHOICE_AMBIGUITY_CHECK = 2;
OTHER_AMBIGUITY_CHECK = 1;
STATIC = true;
- DEBUG_PARSER = false;
+ DEBUG_PARSER = true;
DEBUG_LOOKAHEAD = false;
DEBUG_TOKEN_MANAGER = false;
OPTIMIZE_TOKEN_MANAGER = false;
import org.eclipse.ui.texteditor.MarkerUtilities;
import org.eclipse.jface.preference.IPreferenceStore;
-import java.io.CharArrayReader;
import java.util.Hashtable;
+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.Outlineable;
import net.sourceforge.phpdt.internal.compiler.parser.PHPOutlineInfo;
+import net.sourceforge.phpdt.internal.corext.Assert;
/**
* 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 {
+public final class PHPParser extends PHPParserSuperclass {
- private static PHPParser me;
-
- 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;
+
+ /** 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;
- public static PHPParser getInstance(IFile fileToParse) {
- if (me == null) {
- me = new PHPParser(fileToParse);
- } else {
- me.setFileToParse(fileToParse);
- }
- return me;
- }
+ private static final char[] SYNTAX_ERROR_CHAR = {'s','y','n','t','a','x',' ','e','r','r','o','r'};
+ /**
+ * The point where html starts.
+ * It will be used by the token manager to create HTMLCode objects
+ */
+ public static int htmlStart;
+
+ //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;
+
+ private static final boolean PARSER_DEBUG = true;
- public void setFileToParse(IFile fileToParse) {
- this.fileToParse = fileToParse;
+ public final void setFileToParse(final IFile fileToParse) {
+ PHPParser.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;
+ PHPParser.fileToParse = fileToParse;
}
- public void phpParserTester(String strEval) throws CoreException, ParseException {
- PHPParserTokenManager.SwitchTo(PHPParserTokenManager.PHPPARSING);
- StringReader stream = new StringReader(strEval);
+ public static final void phpParserTester(final String strEval) throws ParseException {
+ final StringReader stream = new StringReader(strEval);
if (jj_input_stream == null) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
}
ReInit(new StringReader(strEval));
+ init();
+ phpDocument = new PHPDocument(null,"_root".toCharArray());
+ currentSegment = phpDocument;
+ outlineInfo = new PHPOutlineInfo(null, currentSegment);
+ PHPParserTokenManager.SwitchTo(PHPParserTokenManager.PHPPARSING);
phpTest();
}
- public void htmlParserTester(String strEval) throws CoreException, ParseException {
- StringReader stream = new StringReader(strEval);
+ public static final void htmlParserTester(final File fileName) throws FileNotFoundException, ParseException {
+ final Reader stream = new FileReader(fileName);
if (jj_input_stream == null) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
}
ReInit(stream);
- phpTest();
+ init();
+ phpDocument = new PHPDocument(null,"_root".toCharArray());
+ currentSegment = phpDocument;
+ outlineInfo = new PHPOutlineInfo(null, currentSegment);
+ phpFile();
}
- public PHPOutlineInfo parseInfo(Object parent, String s) {
- outlineInfo = new PHPOutlineInfo(parent);
- StringReader stream = new StringReader(s);
+ public static final void htmlParserTester(final String strEval) throws ParseException {
+ final StringReader stream = new StringReader(strEval);
if (jj_input_stream == null) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
}
ReInit(stream);
- try {
- parse();
- } catch (ParseException e) {
- if (errorMessage == null) {
- PHPeclipsePlugin.log(e);
- } else {
- setMarker(errorMessage, e.currentToken.beginLine, errorLevel);
- errorMessage = null;
- }
- }
- return outlineInfo;
+ init();
+ phpDocument = new PHPDocument(null,"_root".toCharArray());
+ currentSegment = phpDocument;
+ outlineInfo = new PHPOutlineInfo(null, currentSegment);
+ phpFile();
}
+ /**
+ * Reinitialize the parser.
+ */
+ private static final void init() {
+ nodes = new AstNode[AstStackIncrement];
+ nodePtr = -1;
+ htmlStart = 0;
+ }
/**
- * Create marker for the parse error
+ * Add an php node on the stack.
+ * @param node the node that will be added to the stack
*/
- private static void setMarker(String message, int lineNumber, int errorLevel) {
+ private static final void pushOnAstNodes(final AstNode node) {
try {
- setMarker(fileToParse, message, lineNumber, errorLevel);
- } catch (CoreException e) {
- PHPeclipsePlugin.log(e);
+ nodes[++nodePtr] = node;
+ } catch (IndexOutOfBoundsException e) {
+ final int oldStackLength = nodes.length;
+ final AstNode[] oldStack = nodes;
+ nodes = new AstNode[oldStackLength + AstStackIncrement];
+ System.arraycopy(oldStack, 0, nodes, 0, oldStackLength);
+ nodePtr = oldStackLength;
+ nodes[nodePtr] = node;
}
}
- 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;
+ 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);
+ if (PHPeclipsePlugin.DEBUG) {
+ PHPeclipsePlugin.log(1,phpDocument.toString());
}
- MarkerUtilities.setLineNumber(attributes, lineNumber);
- MarkerUtilities.createMarker(file, attributes, IMarker.PROBLEM);
+ } catch (ParseException e) {
+ processParseException(e);
}
+ return outlineInfo;
}
+ private static void processParseExceptionDebug(final ParseException e) throws ParseException {
+ if (PARSER_DEBUG) {
+ throw e;
+ }
+ processParseException(e);
+ }
/**
- * Create markers according to the external parser output
+ * 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 createMarkers(String output, IFile file) throws CoreException {
- // delete all markers
- file.deleteMarkers(IMarker.PROBLEM, false, 0);
-
- int indx = 0;
- int brIndx = 0;
- boolean flag = true;
- while ((brIndx = output.indexOf("<br />", indx)) != -1) {
- // newer php error output (tested with 4.2.3)
- scanLine(output, file, indx, brIndx);
- indx = brIndx + 6;
- flag = false;
+ 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;
}
- if (flag) {
- while ((brIndx = output.indexOf("<br>", indx)) != -1) {
- // older php error output (tested with 4.2.3)
- scanLine(output, file, indx, brIndx);
- indx = brIndx + 4;
+ setMarker(e);
+ errorMessage = null;
+ // if (PHPeclipsePlugin.DEBUG) PHPeclipsePlugin.log(e);
+ }
+
+ /**
+ * 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;
}
+ } catch (CoreException e2) {
+ PHPeclipsePlugin.log(e2);
}
}
- 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);
+ final StringBuffer lineNumberBuffer = new StringBuffer(10);
char ch;
current = output.substring(indx, brIndx);
if (current.indexOf(PARSE_WARNING_STRING) != -1 || current.indexOf(PARSE_ERROR_STRING) != -1) {
- int onLine = current.indexOf("on line <b>");
+ final int onLine = current.indexOf("on line <b>");
if (onLine != -1) {
lineNumberBuffer.delete(0, lineNumberBuffer.length());
for (int i = onLine; i < current.length(); i++) {
}
}
- int lineNumber = Integer.parseInt(lineNumberBuffer.toString());
+ final int lineNumber = Integer.parseInt(lineNumberBuffer.toString());
- Hashtable attributes = new Hashtable();
+ final Hashtable attributes = new Hashtable();
current = current.replaceAll("\n", "");
current = current.replaceAll("<b>", "");
}
}
- public void parse(String s) throws CoreException {
- ReInit(new StringReader(s));
+ public final void parse(final String s) {
+ 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);
}
}
* 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
}
}
- 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 || currentPosition > SimpleCharStream.currentBuffer.length()) {
+ return;
+ }
+ final char[] chars = SimpleCharStream.currentBuffer.substring(htmlStart,currentPosition+1).toCharArray();
+ pushOnAstNodes(new HTMLCode(chars, htmlStart,currentPosition));
+ }
+
+ /** Create a new task. */
+ public static final void createNewTask() {
+ final int currentPosition = SimpleCharStream.getPosition();
+ final String todo = SimpleCharStream.currentBuffer.substring(currentPosition-3,
+ SimpleCharStream.currentBuffer.indexOf("\n",
+ currentPosition)-1);
+ PHPeclipsePlugin.log(1,SimpleCharStream.currentBuffer.toString());
+ try {
+ setMarker(fileToParse,
+ todo,
+ SimpleCharStream.getBeginLine(),
+ TASK,
+ "Line "+SimpleCharStream.getBeginLine());
+ } catch (CoreException e) {
+ PHPeclipsePlugin.log(e);
+ }
+ }
+
+ private static final void parse() throws ParseException {
phpFile();
}
}
<DEFAULT> TOKEN :
{
- "<?php" : PHPPARSING
-| "<?" : PHPPARSING
+ <PHPSTARTSHORT : "<?"> {PHPParser.createNewHTMLCode();} : PHPPARSING
+| <PHPSTARTLONG : "<?php"> {PHPParser.createNewHTMLCode();} : PHPPARSING
+| <PHPECHOSTART : "<?="> {PHPParser.createNewHTMLCode();} : PHPPARSING
}
-<DEFAULT> SKIP :
+<PHPPARSING> TOKEN :
{
- < ~[] >
+ <PHPEND :"?>"> {PHPParser.htmlStart = SimpleCharStream.getPosition();} : DEFAULT
}
-<PHPPARSING> TOKEN :
+/* Skip any character if we are not in php mode */
+<DEFAULT> SKIP :
{
- "?>" : DEFAULT
+ < ~[] >
}
-/* WHITE SPACE */
+/* WHITE SPACE */
<PHPPARSING> SKIP :
{
" "
}
/* COMMENTS */
-
-<PHPPARSING> MORE :
+<PHPPARSING> SPECIAL_TOKEN :
{
"//" : IN_SINGLE_LINE_COMMENT
-|
- <"/**" ~["/"]> { input_stream.backup(1); } : IN_FORMAL_COMMENT
-|
- "/*" : IN_MULTI_LINE_COMMENT
+| "#" : IN_SINGLE_LINE_COMMENT
+| <"/**" ~["/"]> { input_stream.backup(1); } : IN_FORMAL_COMMENT
+| "/*" : IN_MULTI_LINE_COMMENT
+}
+
+<IN_SINGLE_LINE_COMMENT> SPECIAL_TOKEN :
+{
+ <SINGLE_LINE_COMMENT: "\n" | "\r" | "\r\n" > : PHPPARSING
+| "?>" : DEFAULT
}
-<IN_SINGLE_LINE_COMMENT>
-SPECIAL_TOKEN :
+<IN_SINGLE_LINE_COMMENT,IN_FORMAL_COMMENT,IN_MULTI_LINE_COMMENT> SPECIAL_TOKEN :
{
- <SINGLE_LINE_COMMENT: "\n" | "\r" | "\r\n" | "?>" > : PHPPARSING
+ "todo" {PHPParser.createNewTask();}
}
-<IN_FORMAL_COMMENT>
-SPECIAL_TOKEN :
+<IN_FORMAL_COMMENT> SPECIAL_TOKEN :
{
- <FORMAL_COMMENT: "*/" > : PHPPARSING
+ "*/" : PHPPARSING
}
-<IN_MULTI_LINE_COMMENT>
-SPECIAL_TOKEN :
+<IN_MULTI_LINE_COMMENT> SPECIAL_TOKEN :
{
- <MULTI_LINE_COMMENT: "*/" > : PHPPARSING
+ "*/" : PHPPARSING
}
<IN_SINGLE_LINE_COMMENT,IN_FORMAL_COMMENT,IN_MULTI_LINE_COMMENT>
| <ELSEIF : "elseif">
| <ELSE : "else">
| <ARRAY : "array">
+| <BREAK : "break">
+| <LIST : "list">
}
/* LANGUAGE CONSTRUCT */
<PHPPARSING> TOKEN :
{
- <PRINT : "print">
-| <ECHO : "echo">
-| <INCLUDE : "include">
-| <REQUIRE : "require">
-| <INCLUDE_ONCE : "include_once">
-| <REQUIRE_ONCE : "require_once">
-| <GLOBAL : "global">
-| <STATIC : "static">
-| <CLASSACCESS: "->">
-| <STATICCLASSACCESS: "::">
-| <ARRAYASSIGN: "=>">
+ <PRINT : "print">
+| <ECHO : "echo">
+| <INCLUDE : "include">
+| <REQUIRE : "require">
+| <INCLUDE_ONCE : "include_once">
+| <REQUIRE_ONCE : "require_once">
+| <GLOBAL : "global">
+| <DEFINE : "define">
+| <STATIC : "static">
+| <CLASSACCESS : "->">
+| <STATICCLASSACCESS : "::">
+| <ARRAYASSIGN : "=>">
}
/* RESERVED WORDS AND LITERALS */
<PHPPARSING> 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" >
+ <CASE : "case">
+| <CONST : "const">
+| <CONTINUE : "continue">
+| <_DEFAULT : "default">
+| <DO : "do">
+| <EXTENDS : "extends">
+| <FOR : "for">
+| <GOTO : "goto">
+| <NEW : "new">
+| <NULL : "null">
+| <RETURN : "return">
+| <SUPER : "super">
+| <SWITCH : "switch">
+| <THIS : "this">
+| <TRUE : "true">
+| <FALSE : "false">
+| <WHILE : "while">
+| <ENDWHILE : "endwhile">
+| <ENDSWITCH: "endswitch">
+| <ENDIF : "endif">
+| <ENDFOR : "endfor">
+| <FOREACH : "foreach">
+| <AS : "as" >
}
/* TYPES */
-
<PHPPARSING> TOKEN :
{
- <STRING : "string">
-| <OBJECT : "object">
-| <BOOL : "bool">
+ <STRING : "string">
+| <OBJECT : "object">
+| <BOOL : "bool">
| <BOOLEAN : "boolean">
-| <REAL : "real">
-| <DOUBLE : "double">
-| <FLOAT : "float">
-| <INT : "int">
+| <REAL : "real">
+| <DOUBLE : "double">
+| <FLOAT : "float">
+| <INT : "int">
| <INTEGER : "integer">
}
+//Misc token
<PHPPARSING> TOKEN :
{
- < _ORL : "OR" >
-| < _ANDL: "AND">
+ <AT : "@">
+| <DOLLAR : "$">
+| <BANG : "!">
+| <TILDE : "~">
+| <HOOK : "?">
+| <COLON : ":">
}
-/* LITERALS */
+/* OPERATORS */
+<PHPPARSING> TOKEN :
+{
+ <OR_OR : "||">
+| <AND_AND : "&&">
+| <PLUS_PLUS : "++">
+| <MINUS_MINUS : "--">
+| <PLUS : "+">
+| <MINUS : "-">
+| <STAR : "*">
+| <SLASH : "/">
+| <BIT_AND : "&">
+| <BIT_OR : "|">
+| <XOR : "^">
+| <REMAINDER : "%">
+| <LSHIFT : "<<">
+| <RSIGNEDSHIFT : ">>">
+| <RUNSIGNEDSHIFT : ">>>">
+| <_ORL : "OR">
+| <_ANDL : "AND">
+}
+/* LITERALS */
<PHPPARSING> TOKEN :
{
- < INTEGER_LITERAL:
+ <INTEGER_LITERAL:
<DECIMAL_LITERAL> (["l","L"])?
| <HEX_LITERAL> (["l","L"])?
| <OCTAL_LITERAL> (["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:
+ <FLOATING_POINT_LITERAL:
(["0"-"9"])+ "." (["0"-"9"])* (<EXPONENT>)? (["f","F","d","D"])?
| "." (["0"-"9"])+ (<EXPONENT>)? (["f","F","d","D"])?
| (["0"-"9"])+ <EXPONENT> (["f","F","d","D"])?
| (["0"-"9"])+ (<EXPONENT>)? ["f","F","d","D"]
>
|
- < #EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ >
+ <#EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ >
|
- < STRING_LITERAL: (<STRING_1> | <STRING_2> | <STRING_3>)>
-| < STRING_1:
- "\""
- ( (~["\""])
- | "\\\""
- )*
- "\""
- >
-| < STRING_2:
- "'"
- ( (~["'"]))*
-
- "'"
- >
-| < STRING_3:
- "`"
- ( (~["`"]))*
- "`"
- >
+ <STRING_LITERAL: (<STRING_1> | <STRING_2> | <STRING_3>)>
+| <STRING_1: "\"" ( ~["\"","\\"] | "\\" ~[] )* "\"">
+| <STRING_2: "'" ( ~["'","\\"] | "\\" ~[] )* "'">
+| <STRING_3: "`" ( ~["`","\\"] | "\\" ~[] )* "`">
}
/* IDENTIFIERS */
<PHPPARSING> TOKEN :
{
- < IDENTIFIER: (<LETTER>|<SPECIAL>) (<LETTER>|<DIGIT>|<SPECIAL>)* >
+ <IDENTIFIER: (<LETTER>|<SPECIAL>) (<LETTER>|<DIGIT>|<SPECIAL>)* >
|
< #LETTER:
["a"-"z"] | ["A"-"Z"]
>
|
< #SPECIAL:
- "_"
+ "_" | ["\u007f"-"\u00ff"]
>
}
<PHPPARSING> TOKEN :
{
- < LPAREN: "(" >
-| < RPAREN: ")" >
-| < LBRACE: "{" >
-| < RBRACE: "}" >
-| < LBRACKET: "[" >
-| < RBRACKET: "]" >
-| < SEMICOLON: ";" >
-| < COMMA: "," >
-| < DOT: "." >
+ <LPAREN : "(">
+| <RPAREN : ")">
+| <LBRACE : "{">
+| <RBRACE : "}">
+| <LBRACKET : "[">
+| <RBRACKET : "]">
+| <SEMICOLON : ";">
+| <COMMA : ",">
+| <DOT : ".">
}
-/* OPERATORS */
+/* COMPARATOR */
<PHPPARSING> TOKEN :
{
- <AT : "@">
-| <DOLLAR : "$">
-| < 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: ">>>=" >
+ <GT : ">">
+| <LT : "<">
+| <EQUAL_EQUAL : "==">
+| <LE : "<=">
+| <GE : ">=">
+| <NOT_EQUAL : "!=">
+| <DIF : "<>">
+| <BANGDOUBLEEQUAL : "!==">
+| <TRIPLEEQUAL : "===">
}
+/* ASSIGNATION */
<PHPPARSING> TOKEN :
{
- < DOLLAR_ID: <DOLLAR> <IDENTIFIER> >
+ <ASSIGN : "=">
+| <PLUSASSIGN : "+=">
+| <MINUSASSIGN : "-=">
+| <STARASSIGN : "*=">
+| <SLASHASSIGN : "/=">
+| <ANDASSIGN : "&=">
+| <ORASSIGN : "|=">
+| <XORASSIGN : "^=">
+| <DOTASSIGN : ".=">
+| <REMASSIGN : "%=">
+| <TILDEEQUAL : "~=">
+| <LSHIFTASSIGN : "<<=">
+| <RSIGNEDSHIFTASSIGN : ">>=">
}
-/*****************************************
- * THE JAVA LANGUAGE GRAMMAR STARTS HERE *
- *****************************************/
-
-/*
- * Program structuring syntax follows.
- */
+<PHPPARSING> TOKEN :
+{
+ <DOLLAR_ID: <DOLLAR> <IDENTIFIER>>
+}
void phpTest() :
{}
void phpFile() :
{}
{
- ("<?php" Php() "?>")*
- <EOF>
+ try {
+ (PhpBlock())*
+ {PHPParser.createNewHTMLCode();}
+ } catch (TokenMgrError e) {
+ PHPeclipsePlugin.log(e);
+ errorStart = SimpleCharStream.getPosition();
+ errorEnd = errorStart + 1;
+ errorMessage = e.getMessage();
+ errorLevel = ERROR;
+ throw generateParseException();
+ }
+}
+
+/**
+ * A php block is a <?= expression [;]?>
+ * or <?php somephpcode ?>
+ * or <? somephpcode ?>
+ */
+void PhpBlock() :
+{
+ final int start = SimpleCharStream.getPosition();
+ final PHPEchoBlock phpEchoBlock;
+}
+{
+ phpEchoBlock = phpEchoBlock()
+ {pushOnAstNodes(phpEchoBlock);}
+|
+ [ <PHPSTARTLONG>
+ | <PHPSTARTSHORT>
+ {try {
+ setMarker(fileToParse,
+ "You should use '<?php' instead of '<?' it will avoid some problems with XML",
+ start,
+ SimpleCharStream.getPosition(),
+ INFO,
+ "Line " + token.beginLine);
+ } catch (CoreException e) {
+ PHPeclipsePlugin.log(e);
+ }}
+ ]
+ Php()
+ try {
+ <PHPEND>
+ } catch (ParseException e) {
+ errorMessage = "'?>' expected";
+ errorLevel = ERROR;
+ errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
+ errorEnd = SimpleCharStream.getPosition() + 1;
+ processParseExceptionDebug(e);
+ }
+}
+
+PHPEchoBlock phpEchoBlock() :
+{
+ final Expression expr;
+ final int pos = SimpleCharStream.getPosition();
+ final PHPEchoBlock echoBlock;
+}
+{
+ <PHPECHOSTART> expr = Expression() [ <SEMICOLON> ] <PHPEND>
+ {
+ echoBlock = new PHPEchoBlock(expr,pos,SimpleCharStream.getPosition());
+ pushOnAstNodes(echoBlock);
+ return echoBlock;}
}
void Php() :
(BlockStatement())*
}
-void ClassDeclaration() :
-{}
+ClassDeclaration ClassDeclaration() :
{
- <CLASS> <IDENTIFIER> [ <EXTENDS> <IDENTIFIER> ]
- ClassBody()
+ final ClassDeclaration classDeclaration;
+ final Token className,superclassName;
+ final int pos;
+ char[] classNameImage = SYNTAX_ERROR_CHAR;
+ char[] superclassNameImage = null;
+}
+{
+ <CLASS>
+ {pos = SimpleCharStream.getPosition();}
+ try {
+ className = <IDENTIFIER>
+ {classNameImage = className.image.toCharArray();}
+ } 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;
+ processParseExceptionDebug(e);
+ }
+ [
+ <EXTENDS>
+ try {
+ superclassName = <IDENTIFIER>
+ {superclassNameImage = superclassName.image.toCharArray();}
+ } 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;
+ processParseExceptionDebug(e);
+ superclassNameImage = SYNTAX_ERROR_CHAR;
+ }
+ ]
+ {
+ if (superclassNameImage == null) {
+ classDeclaration = new ClassDeclaration(currentSegment,
+ classNameImage,
+ pos,
+ 0);
+ } else {
+ classDeclaration = new ClassDeclaration(currentSegment,
+ classNameImage,
+ superclassNameImage,
+ pos,
+ 0);
+ }
+ currentSegment.add(classDeclaration);
+ currentSegment = classDeclaration;
+ }
+ ClassBody(classDeclaration)
+ {currentSegment = (OutlineableWithChildren) currentSegment.getParent();
+ classDeclaration.setSourceEnd(SimpleCharStream.getPosition());
+ pushOnAstNodes(classDeclaration);
+ return classDeclaration;}
}
-void ClassBody() :
+void ClassBody(final ClassDeclaration classDeclaration) :
{}
{
- <LBRACE> ( ClassBodyDeclaration() )* <RBRACE>
+ try {
+ <LBRACE>
+ } 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;
+ processParseExceptionDebug(e);
+ }
+ ( ClassBodyDeclaration(classDeclaration) )*
+ try {
+ <RBRACE>
+ } 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;
+ processParseExceptionDebug(e);
+ }
}
-void ClassBodyDeclaration() :
-{}
+/**
+ * A class can contain only methods and fields.
+ */
+void ClassBodyDeclaration(final ClassDeclaration classDeclaration) :
{
- MethodDeclaration()
-|
- FieldDeclaration()
+ final MethodDeclaration method;
+ final FieldDeclaration field;
+}
+{
+ method = MethodDeclaration() {method.analyzeCode();
+ classDeclaration.addMethod(method);}
+| field = FieldDeclaration() {classDeclaration.addField(field);}
}
-void FieldDeclaration() :
-{}
+/**
+ * A class field declaration : it's var VariableDeclarator() (, VariableDeclarator())*;.
+ * it is only used by ClassBodyDeclaration()
+ */
+FieldDeclaration FieldDeclaration() :
+{
+ VariableDeclaration variableDeclaration;
+ final VariableDeclaration[] list;
+ final ArrayList arrayList = new ArrayList();
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <VAR> variableDeclaration = VariableDeclaratorNoSuffix()
+ {arrayList.add(variableDeclaration);
+ outlineInfo.addVariable(new String(variableDeclaration.name()));}
+ (
+ <COMMA> variableDeclaration = VariableDeclaratorNoSuffix()
+ {arrayList.add(variableDeclaration);
+ outlineInfo.addVariable(new String(variableDeclaration.name()));}
+ )*
+ try {
+ <SEMICOLON>
+ } 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;
+ processParseExceptionDebug(e);
+ }
+
+ {list = new VariableDeclaration[arrayList.size()];
+ arrayList.toArray(list);
+ return new FieldDeclaration(list,
+ pos,
+ SimpleCharStream.getPosition(),
+ currentSegment);}
+}
+
+/**
+ * a strict variable declarator : there cannot be a suffix here.
+ * It will be used by fields and formal parameters
+ */
+VariableDeclaration VariableDeclaratorNoSuffix() :
{
- <VAR> VariableDeclarator() ( <COMMA> VariableDeclarator() )* <SEMICOLON>
+ final Token varName;
+ Expression initializer = null;
+}
+{
+ varName = <DOLLAR_ID>
+ {final int pos = SimpleCharStream.getPosition()-varName.image.length();}
+ [
+ <ASSIGN>
+ 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;
+ processParseExceptionDebug(e);
+ }
+ ]
+ {
+ if (initializer == null) {
+ return new VariableDeclaration(currentSegment,
+ new Variable(varName.image.substring(1),SimpleCharStream.getPosition()-varName.image.length()-1,SimpleCharStream.getPosition()),
+ pos,
+ SimpleCharStream.getPosition());
+ }
+ return new VariableDeclaration(currentSegment,
+ new Variable(varName.image.substring(1),SimpleCharStream.getPosition()-varName.image.length()-1,SimpleCharStream.getPosition()),
+ initializer,
+ VariableDeclaration.EQUAL,
+ pos);
+ }
}
-void VariableDeclarator() :
-{}
+/**
+ * this will be used by static statement
+ */
+VariableDeclaration VariableDeclarator() :
{
- VariableDeclaratorId() [ <ASSIGN> VariableInitializer() ]
+ final AbstractVariable variable;
+ Expression initializer = null;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ variable = VariableDeclaratorId()
+ [
+ <ASSIGN>
+ 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;
+ processParseExceptionDebug(e);
+ }
+ ]
+ {
+ if (initializer == null) {
+ return new VariableDeclaration(currentSegment,
+ variable,
+ pos,
+ SimpleCharStream.getPosition());
+ }
+ return new VariableDeclaration(currentSegment,
+ variable,
+ initializer,
+ VariableDeclaration.EQUAL,
+ pos);
+ }
}
-void VariableDeclaratorId() :
-{}
+/**
+ * A Variable name.
+ * @return the variable name (with suffix)
+ */
+AbstractVariable VariableDeclaratorId() :
{
- Variable() ( LOOKAHEAD(2) VariableSuffix() )*
+ final Variable var;
+ AbstractVariable expression = null;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ try {
+ var = Variable()
+ (
+ LOOKAHEAD(2)
+ expression = VariableSuffix(var)
+ )*
+ {
+ if (expression == null) {
+ return var;
+ }
+ return expression;
+ }
+ } 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():
-{}
+/**
+ * Return a variablename without the $.
+ * @return a variable name
+ */
+Variable Variable():
+{
+ final StringBuffer buff;
+ Expression expression = null;
+ final Token token;
+ Variable expr;
+ final int pos;
+}
{
- <DOLLAR_ID> (<LBRACE> Expression() <RBRACE>) *
+ token = <DOLLAR_ID> {pos = SimpleCharStream.getPosition()-token.image.length();}
+ [<LBRACE> expression = Expression() <RBRACE>]
+ {
+ if (expression == null) {
+ return new Variable(token.image.substring(1),pos,SimpleCharStream.getPosition());
+ }
+ String s = expression.toStringExpression();
+ buff = new StringBuffer(token.image.length()+s.length()+2);
+ buff.append(token.image);
+ buff.append("{");
+ buff.append(s);
+ buff.append("}");
+ s = buff.toString();
+ return new Variable(s,pos,SimpleCharStream.getPosition());
+ }
|
- <DOLLAR> VariableName()
+ <DOLLAR> {pos = SimpleCharStream.getPosition()-1;}
+ expr = VariableName()
+ {return new Variable(expr,pos,SimpleCharStream.getPosition());}
}
-void VariableName():
-{}
-{
- <LBRACE> Expression() <RBRACE>
+/**
+ * A Variable name (without the $)
+ * @return a variable name String
+ */
+Variable VariableName():
+{
+ final StringBuffer buff;
+ String expr;
+ final Variable var;
+ Expression expression = null;
+ final Token token;
+ int pos;
+}
+{
+ <LBRACE>
+ {pos = SimpleCharStream.getPosition()-1;}
+ expression = Expression() <RBRACE>
+ {expr = expression.toStringExpression();
+ buff = new StringBuffer(expr.length()+2);
+ buff.append("{");
+ buff.append(expr);
+ buff.append("}");
+ pos = SimpleCharStream.getPosition();
+ expr = buff.toString();
+ return new Variable(expr,
+ pos,
+ SimpleCharStream.getPosition());
+
+ }
+|
+ token = <IDENTIFIER>
+ {pos = SimpleCharStream.getPosition() - token.image.length();}
+ [<LBRACE> expression = Expression() <RBRACE>]
+ {
+ if (expression == null) {
+ return new Variable(token.image,
+ pos,
+ SimpleCharStream.getPosition());
+ }
+ expr = expression.toStringExpression();
+ buff = new StringBuffer(token.image.length()+expr.length()+2);
+ buff.append(token.image);
+ buff.append("{");
+ buff.append(expr);
+ buff.append("}");
+ expr = buff.toString();
+ return new Variable(expr,
+ pos,
+ SimpleCharStream.getPosition());
+ }
|
- <IDENTIFIER> (<LBRACE> Expression() <RBRACE>) *
+ <DOLLAR> {pos = SimpleCharStream.getPosition() - 1;}
+ var = VariableName()
+ {
+ return new Variable(var,
+ pos,
+ SimpleCharStream.getPosition());
+ }
|
- <DOLLAR> VariableName()
+ token = <DOLLAR_ID>
+ {
+ pos = SimpleCharStream.getPosition();
+ return new Variable(token.image,
+ pos-token.image.length(),
+ pos);
+ }
}
-void VariableInitializer() :
-{}
+Expression VariableInitializer() :
{
- Expression()
+ final Expression expr;
+ final Token token;
+ final int pos = SimpleCharStream.getPosition();
}
-
-void ArrayVariable() :
-{}
{
- Expression() (<ARRAYASSIGN> Expression())*
+ expr = Literal()
+ {return expr;}
+|
+ <MINUS> (token = <INTEGER_LITERAL> | token = <FLOATING_POINT_LITERAL>)
+ {return new PrefixedUnaryExpression(new NumberLiteral(token.image.toCharArray(),
+ pos,
+ SimpleCharStream.getPosition()),
+ OperatorIds.MINUS,
+ pos);}
+|
+ <PLUS> (token = <INTEGER_LITERAL> | token = <FLOATING_POINT_LITERAL>)
+ {return new PrefixedUnaryExpression(new NumberLiteral(token.image.toCharArray(),
+ pos,
+ SimpleCharStream.getPosition()),
+ OperatorIds.PLUS,
+ pos);}
+|
+ expr = ArrayDeclarator()
+ {return expr;}
+|
+ token = <IDENTIFIER>
+ {return new ConstantIdentifier(token.image.toCharArray(),pos,SimpleCharStream.getPosition());}
}
-void ArrayInitializer() :
-{}
+ArrayVariableDeclaration ArrayVariable() :
{
- <LPAREN> [ ArrayVariable() ( LOOKAHEAD(2) <COMMA> ArrayVariable() )* ]<RPAREN>
+final Expression expr,expr2;
}
-
-void MethodDeclaration() :
-{}
{
- <FUNCTION> MethodDeclarator()
- ( Block() | <SEMICOLON> )
+ expr = Expression()
+ [
+ <ARRAYASSIGN> expr2 = Expression()
+ {return new ArrayVariableDeclaration(expr,expr2);}
+ ]
+ {return new ArrayVariableDeclaration(expr,SimpleCharStream.getPosition());}
}
-void MethodDeclarator() :
-{}
+ArrayVariableDeclaration[] ArrayInitializer() :
{
- [<BIT_AND>] <IDENTIFIER> FormalParameters()
+ ArrayVariableDeclaration expr;
+ final ArrayList list = new ArrayList();
}
-
-void FormalParameters() :
-{}
{
- <LPAREN> [ FormalParameter() ( <COMMA> FormalParameter() )* ] <RPAREN>
+ <LPAREN>
+ [
+ expr = ArrayVariable()
+ {list.add(expr);}
+ ( LOOKAHEAD(2) <COMMA> expr = ArrayVariable()
+ {list.add(expr);}
+ )*
+ ]
+ [
+ <COMMA> {list.add(null);}
+ ]
+ <RPAREN>
+ {
+ final ArrayVariableDeclaration[] vars = new ArrayVariableDeclaration[list.size()];
+ list.toArray(vars);
+ return vars;}
}
-void FormalParameter() :
-{}
+/**
+ * A Method Declaration.
+ * <b>function</b> MetodDeclarator() Block()
+ */
+MethodDeclaration MethodDeclaration() :
{
- [<BIT_AND>] VariableDeclarator()
+ final MethodDeclaration functionDeclaration;
+ final Block block;
+ final OutlineableWithChildren seg = currentSegment;
+}
+{
+ <FUNCTION>
+ 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;
+ }
+ {currentSegment = functionDeclaration;}
+ block = Block()
+ {functionDeclaration.statements = block.statements;
+ currentSegment = seg;
+ return functionDeclaration;}
}
-void Type() :
-{}
+/**
+ * A MethodDeclarator.
+ * [&] IDENTIFIER(parameters ...).
+ * @return a function description for the outline
+ */
+MethodDeclaration MethodDeclarator() :
{
- <STRING>
-|
- <BOOL>
-|
- <BOOLEAN>
-|
- <REAL>
-|
- <DOUBLE>
-|
- <FLOAT>
-|
- <INT>
-|
- <INTEGER>
+ final Token identifier;
+ Token reference = null;
+ final Hashtable formalParameters;
+ final int pos = SimpleCharStream.getPosition();
+ char[] identifierChar = SYNTAX_ERROR_CHAR;
+}
+{
+ [reference = <BIT_AND>]
+ try {
+ identifier = <IDENTIFIER>
+ {identifierChar = identifier.image.toCharArray();}
+ } catch (ParseException 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;
+ processParseExceptionDebug(e);
+ }
+ formalParameters = FormalParameters()
+ {MethodDeclaration method = new MethodDeclaration(currentSegment,
+ identifierChar,
+ formalParameters,
+ reference != null,
+ pos,
+ SimpleCharStream.getPosition());
+ return method;}
}
-/*
- * Expression syntax follows.
+/**
+ * FormalParameters follows method identifier.
+ * (FormalParameter())
*/
+Hashtable FormalParameters() :
+{
+ VariableDeclaration var;
+ final Hashtable parameters = new Hashtable();
+}
+{
+ try {
+ <LPAREN>
+ } 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;
+ processParseExceptionDebug(e);
+ }
+ [
+ var = FormalParameter()
+ {parameters.put(new String(var.name()),var);}
+ (
+ <COMMA> var = FormalParameter()
+ {parameters.put(new String(var.name()),var);}
+ )*
+ ]
+ try {
+ <RPAREN>
+ } catch (ParseException e) {
+ errorMessage = "')' expected";
+ errorLevel = ERROR;
+ errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
+ errorEnd = SimpleCharStream.getPosition() + 1;
+ processParseExceptionDebug(e);
+ }
+ {return parameters;}
+}
-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 formal parameter.
+ * $varname[=value] (,$varname[=value])
*/
-{}
+VariableDeclaration FormalParameter() :
{
- PrintExpression()
-|
- ConditionalExpression()
+ final VariableDeclaration variableDeclaration;
+ Token token = null;
+}
+{
+ [token = <BIT_AND>] variableDeclaration = VariableDeclaratorNoSuffix()
+ {
+ if (token != null) {
+ variableDeclaration.setReference(true);
+ }
+ return variableDeclaration;}
+}
+
+ConstantIdentifier Type() :
+{final int pos;}
+{
+ <STRING> {pos = SimpleCharStream.getPosition();
+ return new ConstantIdentifier(Types.STRING,pos,pos-6);}
+| <BOOL> {pos = SimpleCharStream.getPosition();
+ return new ConstantIdentifier(Types.BOOL,pos,pos-4);}
+| <BOOLEAN> {pos = SimpleCharStream.getPosition();
+ return new ConstantIdentifier(Types.BOOLEAN,pos,pos-7);}
+| <REAL> {pos = SimpleCharStream.getPosition();
+ return new ConstantIdentifier(Types.REAL,pos,pos-4);}
+| <DOUBLE> {pos = SimpleCharStream.getPosition();
+ return new ConstantIdentifier(Types.DOUBLE,pos,pos-5);}
+| <FLOAT> {pos = SimpleCharStream.getPosition();
+ return new ConstantIdentifier(Types.FLOAT,pos,pos-5);}
+| <INT> {pos = SimpleCharStream.getPosition();
+ return new ConstantIdentifier(Types.INT,pos,pos-3);}
+| <INTEGER> {pos = SimpleCharStream.getPosition();
+ return new ConstantIdentifier(Types.INTEGER,pos,pos-7);}
+| <OBJECT> {pos = SimpleCharStream.getPosition();
+ return new ConstantIdentifier(Types.OBJECT,pos,pos-6);}
+}
+
+Expression Expression() :
+{
+ final Expression expr;
+ Expression initializer = null;
+ final int pos = SimpleCharStream.getPosition();
+ int assignOperator = -1;
+}
+{
+ LOOKAHEAD(1)
+ expr = ConditionalExpression()
[
- AssignmentOperator() Expression()
+ assignOperator = AssignmentOperator()
+ try {
+ initializer = Expression()
+ } catch (ParseException e) {
+ if (errorMessage != null) {
+ throw e;
+ }
+ errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', expression expected";
+ errorLevel = ERROR;
+ errorEnd = SimpleCharStream.getPosition();
+ throw e;
+ }
]
+ {
+ if (assignOperator != -1) {// todo : change this, very very bad :(
+ if (expr instanceof AbstractVariable) {
+ return new VariableDeclaration(currentSegment,
+ (AbstractVariable) expr,
+ pos,
+ SimpleCharStream.getPosition());
+ }
+ String varName = expr.toStringExpression().substring(1);
+ return new VariableDeclaration(currentSegment,
+ new Variable(varName,SimpleCharStream.getPosition()-varName.length()-1,SimpleCharStream.getPosition()),
+ pos,
+ SimpleCharStream.getPosition());
+ }
+ return expr;
+ }
+| expr = ExpressionWBang() {return expr;}
}
-void AssignmentOperator() :
-{}
+Expression ExpressionWBang() :
{
- <ASSIGN> | <STARASSIGN> | <SLASHASSIGN> | <REMASSIGN> | <PLUSASSIGN> | <MINUSASSIGN> | <LSHIFTASSIGN> | <RSIGNEDSHIFTASSIGN> | <RUNSIGNEDSHIFTASSIGN> | <ANDASSIGN> | <XORASSIGN> | <ORASSIGN> | <DOTASSIGN>
+ final Expression expr;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <BANG> expr = ExpressionWBang() {return new PrefixedUnaryExpression(expr,OperatorIds.NOT,pos);}
+| expr = ExpressionNoBang() {return expr;}
}
-void ConditionalExpression() :
-{}
+Expression ExpressionNoBang() :
{
- ConditionalOrExpression() [ <HOOK> Expression() <COLON> ConditionalExpression() ]
+ Expression expr;
+}
+{
+ expr = ListExpression() {return expr;}
+|
+ expr = PrintExpression() {return expr;}
}
-void ConditionalOrExpression() :
+/**
+ * Any assignement operator.
+ * @return the assignement operator id
+ */
+int AssignmentOperator() :
{}
{
- ConditionalAndExpression() ( (<SC_OR> | <_ORL>) ConditionalAndExpression() )*
+ <ASSIGN> {return VariableDeclaration.EQUAL;}
+| <STARASSIGN> {return VariableDeclaration.STAR_EQUAL;}
+| <SLASHASSIGN> {return VariableDeclaration.SLASH_EQUAL;}
+| <REMASSIGN> {return VariableDeclaration.REM_EQUAL;}
+| <PLUSASSIGN> {return VariableDeclaration.PLUS_EQUAL;}
+| <MINUSASSIGN> {return VariableDeclaration.MINUS_EQUAL;}
+| <LSHIFTASSIGN> {return VariableDeclaration.LSHIFT_EQUAL;}
+| <RSIGNEDSHIFTASSIGN> {return VariableDeclaration.RSIGNEDSHIFT_EQUAL;}
+| <ANDASSIGN> {return VariableDeclaration.AND_EQUAL;}
+| <XORASSIGN> {return VariableDeclaration.XOR_EQUAL;}
+| <ORASSIGN> {return VariableDeclaration.OR_EQUAL;}
+| <DOTASSIGN> {return VariableDeclaration.DOT_EQUAL;}
+| <TILDEEQUAL> {return VariableDeclaration.TILDE_EQUAL;}
}
-void ConditionalAndExpression() :
-{}
+Expression ConditionalExpression() :
{
- ConcatExpression() ( (<SC_AND> | <_ANDL>) ConcatExpression() )*
+ final Expression expr;
+ Expression expr2 = null;
+ Expression expr3 = null;
+}
+{
+ expr = ConditionalOrExpression() [ <HOOK> expr2 = Expression() <COLON> expr3 = ConditionalExpression() ]
+{
+ if (expr3 == null) {
+ return expr;
+ }
+ return new ConditionalExpression(expr,expr2,expr3);
+}
}
-void ConcatExpression() :
-{}
+Expression ConditionalOrExpression() :
{
- InclusiveOrExpression() ( <DOT> InclusiveOrExpression() )*
+ Expression expr,expr2;
+ int operator;
+}
+{
+ expr = ConditionalAndExpression()
+ (
+ (
+ <OR_OR> {operator = OperatorIds.OR_OR;}
+ | <_ORL> {operator = OperatorIds.ORL;}
+ )
+ expr2 = ConditionalAndExpression()
+ {
+ expr = new BinaryExpression(expr,expr2,operator);
+ }
+ )*
+ {return expr;}
}
-void InclusiveOrExpression() :
-{}
+Expression ConditionalAndExpression() :
{
- ExclusiveOrExpression() ( <BIT_OR> ExclusiveOrExpression() )*
+ Expression expr,expr2;
+ int operator;
+}
+{
+ expr = ConcatExpression()
+ (
+ ( <AND_AND> {operator = OperatorIds.AND_AND;}
+ | <_ANDL> {operator = OperatorIds.ANDL;})
+ expr2 = ConcatExpression() {expr = new BinaryExpression(expr,expr2,operator);}
+ )*
+ {return expr;}
}
-void ExclusiveOrExpression() :
-{}
+Expression ConcatExpression() :
{
- AndExpression() ( <XOR> AndExpression() )*
+ Expression expr,expr2;
+}
+{
+ expr = InclusiveOrExpression()
+ (
+ <DOT> expr2 = InclusiveOrExpression()
+ {expr = new BinaryExpression(expr,expr2,OperatorIds.DOT);}
+ )*
+ {return expr;}
}
-void AndExpression() :
-{}
+Expression InclusiveOrExpression() :
+{
+ Expression expr,expr2;
+}
{
- EqualityExpression() ( <BIT_AND> EqualityExpression() )*
+ expr = ExclusiveOrExpression()
+ (<BIT_OR> expr2 = ExclusiveOrExpression()
+ {expr = new BinaryExpression(expr,expr2,OperatorIds.OR);}
+ )*
+ {return expr;}
}
-void EqualityExpression() :
-{}
+Expression ExclusiveOrExpression() :
+{
+ Expression expr,expr2;
+}
{
- RelationalExpression() ( ( <EQ> | <NE> ) RelationalExpression() )*
+ expr = AndExpression()
+ (
+ <XOR> expr2 = AndExpression()
+ {expr = new BinaryExpression(expr,expr2,OperatorIds.XOR);}
+ )*
+ {return expr;}
}
-void RelationalExpression() :
-{}
+Expression AndExpression() :
+{
+ Expression expr,expr2;
+}
{
- ShiftExpression() ( ( <LT> | <GT> | <LE> | <GE> ) ShiftExpression() )*
+ expr = EqualityExpression()
+ (
+ LOOKAHEAD(1)
+ <BIT_AND> expr2 = EqualityExpression()
+ {expr = new BinaryExpression(expr,expr2,OperatorIds.AND);}
+ )*
+ {return expr;}
}
-void ShiftExpression() :
-{}
+Expression EqualityExpression() :
+{
+ Expression expr,expr2;
+ int operator;
+}
{
- AdditiveExpression() ( ( <LSHIFT> | <RSIGNEDSHIFT> | <RUNSIGNEDSHIFT> ) AdditiveExpression() )*
+ expr = RelationalExpression()
+ (
+ ( <EQUAL_EQUAL> {operator = OperatorIds.EQUAL_EQUAL;}
+ | <DIF> {operator = OperatorIds.DIF;}
+ | <NOT_EQUAL> {operator = OperatorIds.DIF;}
+ | <BANGDOUBLEEQUAL> {operator = OperatorIds.BANG_EQUAL_EQUAL;}
+ | <TRIPLEEQUAL> {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 AdditiveExpression() :
-{}
+Expression RelationalExpression() :
+{
+ Expression expr,expr2;
+ int operator;
+}
{
- MultiplicativeExpression() ( ( <PLUS> | <MINUS> ) MultiplicativeExpression() )*
+ expr = ShiftExpression()
+ (
+ ( <LT> {operator = OperatorIds.LESS;}
+ | <GT> {operator = OperatorIds.GREATER;}
+ | <LE> {operator = OperatorIds.LESS_EQUAL;}
+ | <GE> {operator = OperatorIds.GREATER_EQUAL;})
+ expr2 = ShiftExpression()
+ {expr = new BinaryExpression(expr,expr2,operator);}
+ )*
+ {return expr;}
}
-void MultiplicativeExpression() :
-{}
+Expression ShiftExpression() :
+{
+ Expression expr,expr2;
+ int operator;
+}
{
- UnaryExpression() ( ( <STAR> | <SLASH> | <REM> ) UnaryExpression() )*
+ expr = AdditiveExpression()
+ (
+ ( <LSHIFT> {operator = OperatorIds.LEFT_SHIFT;}
+ | <RSIGNEDSHIFT> {operator = OperatorIds.RIGHT_SHIFT;}
+ | <RUNSIGNEDSHIFT> {operator = OperatorIds.UNSIGNED_RIGHT_SHIFT;})
+ expr2 = AdditiveExpression()
+ {expr = new BinaryExpression(expr,expr2,operator);}
+ )*
+ {return expr;}
}
-void UnaryExpression() :
-{}
+Expression AdditiveExpression() :
{
- <AT> UnaryExpression()
-|
- ( <PLUS> | <MINUS> ) UnaryExpression()
-|
- PreIncrementExpression()
-|
- PreDecrementExpression()
-|
- UnaryExpressionNotPlusMinus()
+ Expression expr,expr2;
+ int operator;
+}
+{
+ expr = MultiplicativeExpression()
+ (
+ LOOKAHEAD(1)
+ ( <PLUS> {operator = OperatorIds.PLUS;}
+ | <MINUS> {operator = OperatorIds.MINUS;}
+ )
+ expr2 = MultiplicativeExpression()
+ {expr = new BinaryExpression(expr,expr2,operator);}
+ )*
+ {return expr;}
}
-void PreIncrementExpression() :
-{}
+Expression MultiplicativeExpression() :
{
- <INCR> PrimaryExpression()
+ Expression expr,expr2;
+ int operator;
+}
+{
+ 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;
+ }
+ (
+ ( <STAR> {operator = OperatorIds.MULTIPLY;}
+ | <SLASH> {operator = OperatorIds.DIVIDE;}
+ | <REMAINDER> {operator = OperatorIds.REMAINDER;})
+ expr2 = UnaryExpression()
+ {expr = new BinaryExpression(expr,expr2,operator);}
+ )*
+ {return expr;}
}
-void PreDecrementExpression() :
-{}
+/**
+ * An unary expression starting with @, & or nothing
+ */
+Expression UnaryExpression() :
+{
+ final Expression expr;
+ final int pos = SimpleCharStream.getPosition();
+}
{
- <DECR> PrimaryExpression()
+ /* <BIT_AND> expr = UnaryExpressionNoPrefix() //why did I had that ?
+ {return new PrefixedUnaryExpression(expr,OperatorIds.AND,pos);}
+| */
+ expr = AtNotUnaryExpression() {return expr;}
}
-void UnaryExpressionNotPlusMinus() :
-{}
+/**
+ * An expression prefixed (or not) by one or more @ and !.
+ * @return the expression
+ */
+Expression AtNotUnaryExpression() :
{
- <BANG> UnaryExpression()
+ final Expression expr;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <AT>
+ expr = AtNotUnaryExpression()
+ {return new PrefixedUnaryExpression(expr,OperatorIds.AT,pos);}
+|
+ <BANG>
+ expr = AtNotUnaryExpression()
+ {return new PrefixedUnaryExpression(expr,OperatorIds.NOT,pos);}
|
- LOOKAHEAD( <LPAREN> Type() <RPAREN> )
- CastExpression()
+ expr = UnaryExpressionNoPrefix()
+ {return expr;}
+}
+
+
+Expression UnaryExpressionNoPrefix() :
+{
+ final Expression expr;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <PLUS> expr = AtNotUnaryExpression() {return new PrefixedUnaryExpression(expr,OperatorIds.PLUS,pos);}
|
- PostfixExpression()
+ <MINUS> expr = AtNotUnaryExpression() {return new PrefixedUnaryExpression(expr,OperatorIds.MINUS,pos);}
|
- Literal()
+ expr = PreIncDecExpression()
+ {return expr;}
|
- <LPAREN>Expression()<RPAREN>
+ expr = UnaryExpressionNotPlusMinus()
+ {return expr;}
}
-void CastExpression() :
-{}
+
+Expression PreIncDecExpression() :
{
- <LPAREN> Type() <RPAREN> UnaryExpression()
+final Expression expr;
+final int operator;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ (
+ <PLUS_PLUS> {operator = OperatorIds.PLUS_PLUS;}
+ |
+ <MINUS_MINUS> {operator = OperatorIds.MINUS_MINUS;}
+ )
+ expr = PrimaryExpression()
+ {return new PrefixedUnaryExpression(expr,operator,pos);}
}
-void PostfixExpression() :
-{}
+Expression UnaryExpressionNotPlusMinus() :
{
- PrimaryExpression() [ <INCR> | <DECR> ]
+ final Expression expr;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ LOOKAHEAD( <LPAREN> (Type() | <ARRAY>) <RPAREN> )
+ expr = CastExpression() {return expr;}
+| expr = PostfixExpression() {return expr;}
+| expr = Literal() {return expr;}
+| <LPAREN> expr = Expression()
+ try {
+ <RPAREN>
+ } 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 PrimaryExpression() :
-{}
+CastExpression CastExpression() :
{
- LOOKAHEAD(2)
- <IDENTIFIER> <STATICCLASSACCESS> ClassIdentifier() (PrimarySuffix())*
-|
- PrimaryPrefix() ( PrimarySuffix() )*
-|
- <ARRAY> ArrayInitializer()
+final ConstantIdentifier type;
+final Expression expr;
+final int pos = SimpleCharStream.getPosition();
+}
+{
+ <LPAREN>
+ (
+ type = Type()
+ |
+ <ARRAY> {type = new ConstantIdentifier(Types.ARRAY,pos,SimpleCharStream.getPosition());}
+ )
+ <RPAREN> expr = UnaryExpression()
+ {return new CastExpression(type,expr,pos,SimpleCharStream.getPosition());}
}
-void PrimaryPrefix() :
-{}
+Expression PostfixExpression() :
{
- <IDENTIFIER>
-|
- <NEW> ClassIdentifier()
-|
- VariableDeclaratorId()
+ final Expression expr;
+ int operator = -1;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ expr = PrimaryExpression()
+ [
+ <PLUS_PLUS> {operator = OperatorIds.PLUS_PLUS;}
+ |
+ <MINUS_MINUS> {operator = OperatorIds.MINUS_MINUS;}
+ ]
+ {
+ if (operator == -1) {
+ return expr;
+ }
+ return new PostfixedUnaryExpression(expr,operator,pos);
+ }
}
-void ClassIdentifier():
-{}
+Expression PrimaryExpression() :
+{
+ Expression expr = null;
+ Expression expr2;
+ int assignOperator = -1;
+ final Token identifier;
+ final String var;
+ final int pos;
+}
{
- <IDENTIFIER>
+ token = <IDENTIFIER>
+ {
+ pos = SimpleCharStream.getPosition();
+ expr = new ConstantIdentifier(token.image.toCharArray(),
+ pos-token.image.length(),
+ pos);
+ }
+ (
+ <STATICCLASSACCESS> expr2 = ClassIdentifier()
+ {expr = new ClassAccess(expr,
+ expr2,
+ ClassAccess.STATIC);}
+ )*
+ [ expr = Arguments(expr) ]
+ {return expr;}
+|
+ expr = VariableDeclaratorId()
+ [ expr = Arguments(expr) ]
+ {return expr;}
+|
+ <NEW>
+ {pos = SimpleCharStream.getPosition();}
+ expr = ClassIdentifier()
+ {expr = new PrefixedUnaryExpression(expr,
+ OperatorIds.NEW,
+ pos-3);
+ }
+ [ expr = Arguments(expr) ]
+ {return expr;}
|
- VariableDeclaratorId()
+ expr = ArrayDeclarator()
+ {return expr;}
}
-void PrimarySuffix() :
-{}
+/**
+ * An array declarator.
+ * array(vars)
+ * @return an array
+ */
+ArrayInitializer ArrayDeclarator() :
{
- Arguments()
-|
- VariableSuffix()
+ final ArrayVariableDeclaration[] vars;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <ARRAY> vars = ArrayInitializer()
+ {return new ArrayInitializer(vars,pos,SimpleCharStream.getPosition());}
}
-void VariableSuffix() :
-{}
+PrefixedUnaryExpression classInstantiation() :
+{
+ Expression expr;
+ final StringBuffer buff;
+ final int pos = SimpleCharStream.getPosition();
+}
{
- <CLASSACCESS> VariableName()
-|
- <LBRACKET> [ Expression() ] <RBRACKET>
+ <NEW> 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 Literal() :
-{}
+Expression ClassIdentifier():
{
- <INTEGER_LITERAL>
-|
- <FLOATING_POINT_LITERAL>
-|
- <STRING_LITERAL>
-|
- BooleanLiteral()
-|
- NullLiteral()
+ final Expression expr;
+ final Token token;
+ final ConstantIdentifier type;
+}
+{
+ token = <IDENTIFIER>
+ {final int pos = SimpleCharStream.getPosition();
+ return new ConstantIdentifier(token.image.toCharArray(),
+ pos-token.image.length(),
+ pos);}
+| expr = Type() {return expr;}
+| expr = VariableDeclaratorId() {return expr;}
}
-void BooleanLiteral() :
-{}
+/**
+ * Used by Variabledeclaratorid and primarysuffix
+ */
+AbstractVariable VariableSuffix(final AbstractVariable prefix) :
{
- <TRUE>
+ Variable expr = null;
+ final int pos = SimpleCharStream.getPosition();
+ Expression expression = null;
+}
+{
+ <CLASSACCESS>
+ 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,
+ expr,
+ ClassAccess.NORMAL);}
|
- <FALSE>
+ <LBRACKET> [ expression = Expression() | expression = Type() ] //Not good
+ try {
+ <RBRACKET>
+ } 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() :
{
- <NULL>
+ final Token token;
+ final int pos;
}
-
-void Arguments() :
-{}
{
- <LPAREN> [ ArgumentList() ] <RPAREN>
+ token = <INTEGER_LITERAL> {pos = SimpleCharStream.getPosition();
+ return new NumberLiteral(token.image.toCharArray(),pos-token.image.length(),pos);}
+| token = <FLOATING_POINT_LITERAL> {pos = SimpleCharStream.getPosition();
+ return new NumberLiteral(token.image.toCharArray(),pos-token.image.length(),pos);}
+| token = <STRING_LITERAL> {pos = SimpleCharStream.getPosition();
+ return new StringLiteral(token.image.toCharArray(),pos-token.image.length());}
+| <TRUE> {pos = SimpleCharStream.getPosition();
+ return new TrueLiteral(pos-4,pos);}
+| <FALSE> {pos = SimpleCharStream.getPosition();
+ return new FalseLiteral(pos-4,pos);}
+| <NULL> {pos = SimpleCharStream.getPosition();
+ return new NullLiteral(pos-4,pos);}
}
-void ArgumentList() :
-{}
+FunctionCall Arguments(final Expression func) :
{
- Expression() ( <COMMA> Expression() )*
+Expression[] args = null;
+}
+{
+ <LPAREN> [ args = ArgumentList() ]
+ try {
+ <RPAREN>
+ } 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);}
+ ( <COMMA>
+ 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;
+ }
+ )*
+ {
+ final Expression[] arguments = new Expression[list.size()];
+ list.toArray(arguments);
+ return arguments;}
+}
-void Statement() :
-{}
+/**
+ * A Statement without break.
+ * @return a statement
+ */
+Statement StatementNoBreak() :
+{
+ final Statement statement;
+ Token token = null;
+}
{
LOOKAHEAD(2)
- Expression() (<SEMICOLON> | "?>")
-|
- LOOKAHEAD(2)
- LabeledStatement()
-|
- Block()
-|
- EmptyStatement()
-|
- StatementExpression()
+ statement = expressionStatement() {return statement;}
+| LOOKAHEAD(1)
+ statement = LabeledStatement() {return statement;}
+| statement = Block() {return statement;}
+| statement = EmptyStatement() {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=<AT>] statement = IncludeStatement()
+ {if (token != null) {
+ ((InclusionStatement)statement).silent = true;
+ }
+ return statement;}
+| statement = StaticStatement() {return statement;}
+| statement = GlobalStatement() {return statement;}
+| statement = defineStatement() {currentSegment.add((Outlineable)statement);return statement;}
+}
+
+/**
+ * A statement expression.
+ * expression ;
+ * @return an expression
+ */
+Statement expressionStatement() :
+{
+ final Statement statement;
+}
+{
+ statement = Expression()
try {
<SEMICOLON>
} catch (ParseException e) {
- errorMessage = "';' expected after expression";
+ if (e.currentToken.next.kind != PHPParserConstants.PHPEND) {
+ 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;}
+}
+
+Define defineStatement() :
+{
+ final int start = SimpleCharStream.getPosition();
+ Expression defineName,defineValue;
+}
+{
+ <DEFINE>
+ try {
+ <LPAREN>
+ } 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;
+ processParseExceptionDebug(e);
+ }
+ try {
+ defineName = Expression()
+ } catch (ParseException 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;
}
-|
- SwitchStatement()
-|
- IfStatement()
-|
- WhileStatement()
-|
- DoStatement()
-|
- ForStatement()
-|
- BreakStatement()
-|
- ContinueStatement()
-|
- ReturnStatement()
-|
- EchoStatement()
-|
- IncludeStatement()
-|
- StaticStatement()
-|
- GlobalStatement()
+ try {
+ <COMMA>
+ } 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;
+ processParseExceptionDebug(e);
+ }
+ try {
+ defineValue = Expression()
+ } catch (ParseException 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;
+ }
+ try {
+ <RPAREN>
+ } 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;
+ processParseExceptionDebug(e);
+ }
+ {return new Define(currentSegment,
+ defineName,
+ defineValue,
+ start,
+ SimpleCharStream.getPosition());}
}
-void IncludeStatement() :
-{}
+/**
+ * A Normal statement.
+ */
+Statement Statement() :
{
- <REQUIRE> Expression() (<SEMICOLON> | "?>")
-|
- <REQUIRE_ONCE> Expression() (<SEMICOLON> | "?>")
-|
- <INCLUDE> Expression() (<SEMICOLON> | "?>")
-|
- <INCLUDE_ONCE> Expression() (<SEMICOLON> | "?>")
+ final Statement statement;
+}
+{
+ statement = StatementNoBreak() {return statement;}
+| statement = BreakStatement() {return statement;}
}
-void PrintExpression() :
-{}
+/**
+ * An html block inside a php syntax.
+ */
+HTMLBlock htmlBlock() :
{
- <PRINT> Expression()
+ final int startIndex = nodePtr;
+ final AstNode[] blockNodes;
+ final int nbNodes;
+}
+{
+ <PHPEND> (phpEchoBlock())*
+ try {
+ (<PHPSTARTLONG> | <PHPSTARTSHORT>)
+ } catch (ParseException e) {
+ errorMessage = "unexpected end of file , '<?php' expected";
+ errorLevel = ERROR;
+ errorStart = SimpleCharStream.getPosition();
+ errorEnd = SimpleCharStream.getPosition();
+ throw e;
+ }
+ {
+ nbNodes = nodePtr - startIndex;
+ blockNodes = new AstNode[nbNodes];
+ System.arraycopy(nodes,startIndex,blockNodes,0,nbNodes);
+ nodePtr = startIndex;
+ return new HTMLBlock(blockNodes);}
}
-void EchoStatement() :
-{}
+/**
+ * An include statement. It's "include" an expression;
+ */
+InclusionStatement IncludeStatement() :
{
- <ECHO> Expression() (<COMMA> Expression())*
+ final Expression expr;
+ final int keyword;
+ final int pos = SimpleCharStream.getPosition();
+ final InclusionStatement inclusionStatement;
+}
+{
+ ( <REQUIRE> {keyword = InclusionStatement.REQUIRE;}
+ | <REQUIRE_ONCE> {keyword = InclusionStatement.REQUIRE_ONCE;}
+ | <INCLUDE> {keyword = InclusionStatement.INCLUDE;}
+ | <INCLUDE_ONCE> {keyword = InclusionStatement.INCLUDE_ONCE;})
+ try {
+ expr = Expression()
+ } 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;
+ }
+ {inclusionStatement = new InclusionStatement(currentSegment,
+ keyword,
+ expr,
+ pos);
+ currentSegment.add(inclusionStatement);
+ }
try {
- (<SEMICOLON> | "?>")
+ <SEMICOLON>
} catch (ParseException e) {
- errorMessage = "';' expected after 'echo' statement";
+ 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() :
+{
+ final Expression expr;
+ final int pos = SimpleCharStream.getPosition();
+}
{
- <GLOBAL> VariableDeclaratorId() (<COMMA> VariableDeclaratorId())* (<SEMICOLON> | "?>")
+ <PRINT> expr = Expression() {return new PrintExpression(expr,pos,SimpleCharStream.getPosition());}
}
-void StaticStatement() :
-{}
+ListExpression ListExpression() :
+{
+ Expression expr = null;
+ final Expression expression;
+ final ArrayList list = new ArrayList();
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <LIST>
+ try {
+ <LPAREN>
+ } 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 {
+ <COMMA>
+ } 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 {
+ <RPAREN>
+ } 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;
+ }
+ [ <ASSIGN> expression = Expression()
+ {
+ final Variable[] vars = new Variable[list.size()];
+ list.toArray(vars);
+ return new ListExpression(vars,
+ expression,
+ pos,
+ SimpleCharStream.getPosition());}
+ ]
+ {
+ final Variable[] vars = new Variable[list.size()];
+ list.toArray(vars);
+ return new ListExpression(vars,pos,SimpleCharStream.getPosition());}
+}
+
+/**
+ * An echo statement.
+ * echo anyexpression (, otherexpression)*
+ */
+EchoStatement EchoStatement() :
{
- <STATIC> VariableDeclarator() (<COMMA> VariableDeclarator())* (<SEMICOLON> | "?>")
+ final ArrayList expressions = new ArrayList();
+ Expression expr;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <ECHO> expr = Expression()
+ {expressions.add(expr);}
+ (
+ <COMMA> expr = Expression()
+ {expressions.add(expr);}
+ )*
+ try {
+ <SEMICOLON>
+ } 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;
+ }
+ }
+ {final Expression[] exprs = new Expression[expressions.size()];
+ expressions.toArray(exprs);
+ return new EchoStatement(exprs,pos);}
}
-void LabeledStatement() :
-{}
+GlobalStatement GlobalStatement() :
{
- <IDENTIFIER> <COLON> Statement()
+ final int pos = SimpleCharStream.getPosition();
+ Variable expr;
+ final ArrayList vars = new ArrayList();
+ final GlobalStatement global;
+}
+{
+ <GLOBAL>
+ expr = Variable()
+ {vars.add(expr);}
+ (<COMMA>
+ expr = Variable()
+ {vars.add(expr);}
+ )*
+ try {
+ <SEMICOLON>
+ {
+ final Variable[] variables = new Variable[vars.size()];
+ vars.toArray(variables);
+ global = new GlobalStatement(currentSegment,
+ variables,
+ 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;
+ }
}
-void Block() :
-{}
+StaticStatement StaticStatement() :
{
- <LBRACE> ( BlockStatement() )* <RBRACE>
+ final int pos = SimpleCharStream.getPosition();
+ final ArrayList vars = new ArrayList();
+ VariableDeclaration expr;
+}
+{
+ <STATIC> expr = VariableDeclarator() {vars.add(expr);}
+ (
+ <COMMA> expr = VariableDeclarator() {vars.add(expr);}
+ )*
+ try {
+ <SEMICOLON>
+ {
+ final VariableDeclaration[] variables = new VariableDeclaration[vars.size()];
+ vars.toArray(variables);
+ return new StaticStatement(variables,
+ 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 = <IDENTIFIER> <COLON> statement = Statement()
+ {return new LabeledStatement(label.image.toCharArray(),statement,pos,SimpleCharStream.getPosition());}
}
-void LocalVariableDeclaration() :
-{}
+/**
+ * A Block is
+ * {
+ * statements
+ * }.
+ * @return a block
+ */
+Block Block() :
{
- VariableDeclarator() ( <COMMA> VariableDeclarator() )*
+ final int pos = SimpleCharStream.getPosition();
+ final ArrayList list = new ArrayList();
+ Statement statement;
+}
+{
+ try {
+ <LBRACE>
+ } 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 {
+ <RBRACE>
+ } 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;
+ }
+ {
+ final 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() {if (phpDocument == currentSegment) pushOnAstNodes(statement);
+ return statement;}
+| statement = ClassDeclaration() {return statement;}
+| statement = MethodDeclaration() {if (phpDocument == currentSegment) pushOnAstNodes(statement);
+ currentSegment.add((MethodDeclaration) statement);
+ ((MethodDeclaration) statement).analyzeCode();
+ return statement;}
+}
+
+/**
+ * A Block statement that will not contain any 'break'
+ */
+Statement BlockStatementNoBreak() :
+{
+ final Statement statement;
+}
+{
+ statement = StatementNoBreak() {return statement;}
+| statement = ClassDeclaration() {return statement;}
+| statement = MethodDeclaration() {currentSegment.add((MethodDeclaration) statement);
+ ((MethodDeclaration) statement).analyzeCode();
+ return statement;}
+}
+
+/**
+ * used only by ForInit()
+ */
+VariableDeclaration[] LocalVariableDeclaration() :
+{
+ final ArrayList list = new ArrayList();
+ VariableDeclaration var;
+}
+{
+ var = LocalVariableDeclarator()
+ {list.add(var);}
+ ( <COMMA> var = LocalVariableDeclarator() {list.add(var);})*
+ {
+ final VariableDeclaration[] vars = new VariableDeclaration[list.size()];
+ list.toArray(vars);
+ return vars;}
+}
+
+/**
+ * used only by LocalVariableDeclaration().
+ */
+VariableDeclaration LocalVariableDeclarator() :
+{
+ final Variable varName;
+ Expression initializer = null;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ varName = Variable() [ <ASSIGN> initializer = Expression() ]
+ {
+ if (initializer == null) {
+ return new VariableDeclaration(currentSegment,
+ varName,
+ pos,
+ SimpleCharStream.getPosition());
+ }
+ return new VariableDeclaration(currentSegment,
+ varName,
+ initializer,
+ VariableDeclaration.EQUAL,
+ pos);
+ }
+}
+
+EmptyStatement EmptyStatement() :
+{
+ final int pos;
+}
{
<SEMICOLON>
+ {pos = SimpleCharStream.getPosition();
+ return new EmptyStatement(pos-1,pos);}
}
-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.
+/**
+ * used only by StatementExpressionList() which is used only by ForInit() and ForStatement()
*/
-{}
+Expression StatementExpression() :
{
- PreIncrementExpression()
-|
- PreDecrementExpression()
+ final Expression expr,expr2;
+ final int operator;
+}
+{
+ expr = PreIncDecExpression() {return expr;}
|
- PrimaryExpression()
- [
- <INCR>
- |
- <DECR>
- |
- AssignmentOperator() Expression()
+ expr = PrimaryExpression()
+ [ <PLUS_PLUS> {return new PostfixedUnaryExpression(expr,
+ OperatorIds.PLUS_PLUS,
+ SimpleCharStream.getPosition());}
+ | <MINUS_MINUS> {return new PostfixedUnaryExpression(expr,
+ OperatorIds.MINUS_MINUS,
+ SimpleCharStream.getPosition());}
]
+ {return expr;}
}
-void SwitchStatement() :
-{}
+SwitchStatement SwitchStatement() :
{
- <SWITCH> <LPAREN> Expression() <RPAREN> <LBRACE>
- ( SwitchLabel() ( BlockStatement() )* )*
- <RBRACE>
+ final Expression variable;
+ final AbstractCase[] cases;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <SWITCH>
+ try {
+ <LPAREN>
+ } 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 {
+ <RPAREN>
+ } 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() :
{
- <CASE> Expression() <COLON>
-|
- <_DEFAULT> <COLON>
+ AbstractCase cas;
+ final ArrayList cases = new ArrayList();
+}
+{
+ <LBRACE>
+ ( cas = switchLabel0() {cases.add(cas);})*
+ try {
+ <RBRACE>
+ {
+ final 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();
+}
+{
+ <COLON>
+ {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 {
+ <ENDSWITCH>
+ } catch (ParseException e) {
+ errorMessage = "'endswitch' expected";
+ errorLevel = ERROR;
+ errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
+ errorEnd = SimpleCharStream.getPosition() + 1;
+ throw e;
+ }
+ try {
+ <SEMICOLON>
+ {
+ final 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;
+ }
+}
+
+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);}]
+ {
+ final 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());}
}
-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.
+/**
+ * A SwitchLabel.
+ * case Expression() :
+ * default :
+ * @return the if it was a case and null if not
*/
-{}
+Expression SwitchLabel() :
{
- <IF> Condition("if") Statement() [ LOOKAHEAD(1) ElseIfStatement() ] [ LOOKAHEAD(1) <ELSE> Statement() ]
+ final Expression expr;
+}
+{
+ token = <CASE>
+ 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 {
+ <COLON>
+ {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 {
+ <COLON>
+ {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();
+}
+{
+ <BREAK> [ expression = Expression() ]
+ try {
+ <SEMICOLON>
+ } 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();
+ final Expression condition;
+ final IfStatement ifStatement;
+}
+{
+ <IF> condition = Condition("if") ifStatement = IfStatement0(condition, pos,pos+2)
+ {return ifStatement;}
+}
+
+
+Expression Condition(final String keyword) :
+{
+ final Expression condition;
+}
{
try {
<LPAREN>
} catch (ParseException e) {
errorMessage = "'(' expected after " + keyword + " keyword";
errorLevel = ERROR;
- throw e;
+ errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length();
+ errorEnd = errorStart +1;
+ processParseExceptionDebug(e);
}
- Expression()
+ condition = Expression()
try {
<RPAREN>
} catch (ParseException e) {
errorMessage = "')' expected after " + keyword + " keyword";
errorLevel = ERROR;
+ errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
+ errorEnd = SimpleCharStream.getPosition() + 1;
+ processParseExceptionDebug(e);
+ }
+ {return condition;}
+}
+
+IfStatement IfStatement0(final Expression condition, final int start,final int end) :
+{
+ Statement statement;
+ final Statement stmt;
+ final Statement[] statementsArray;
+ ElseIf elseifStatement;
+ Else elseStatement = null;
+ final ArrayList stmts;
+ final ArrayList elseIfList = new ArrayList();
+ final ElseIf[] elseIfs;
+ int pos = SimpleCharStream.getPosition();
+ final int endStatements;
+}
+{
+ <COLON>
+ {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 {
+ <ENDIF>
+ } catch (ParseException e) {
+ errorMessage = "'endif' expected";
+ errorLevel = ERROR;
+ errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
+ errorEnd = SimpleCharStream.getPosition() + 1;
throw e;
}
+ try {
+ <SEMICOLON>
+ } 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)
+ <ELSE>
+ 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());}
}
-void ElseIfStatement() :
-{}
+ElseIf ElseIfStatementColon() :
{
- <ELSEIF> Condition("elseif") Statement()
+ final Expression condition;
+ Statement statement;
+ final ArrayList list = new ArrayList();
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <ELSEIF> condition = Condition("elseif")
+ <COLON> ( statement = Statement() {list.add(statement);}
+ | statement = htmlBlock() {list.add(statement);})*
+ {
+ final Statement[] stmtsArray = new Statement[list.size()];
+ list.toArray(stmtsArray);
+ return new ElseIf(condition,stmtsArray ,pos,SimpleCharStream.getPosition());}
}
-void WhileStatement() :
-{}
+Else ElseStatementColon() :
{
- <WHILE> Condition("while") WhileStatement0()
+ Statement statement;
+ final ArrayList list = new ArrayList();
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <ELSE> <COLON> ( statement = Statement() {list.add(statement);}
+ | statement = htmlBlock() {list.add(statement);})*
+ {
+ final Statement[] stmtsArray = new Statement[list.size()];
+ list.toArray(stmtsArray);
+ return new Else(stmtsArray,pos,SimpleCharStream.getPosition());}
}
-void WhileStatement0() :
-{}
+ElseIf ElseIfStatement() :
{
- <COLON> (Statement())* <ENDWHILE> (<SEMICOLON> | "?>")
+ final Expression condition;
+ final Statement statement;
+ final ArrayList list = new ArrayList();
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <ELSEIF> condition = Condition("elseif") statement = Statement() {list.add(statement);/*todo:do better*/}
+ {
+ final 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();
+}
+{
+ <WHILE>
+ 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();
+}
+{
+ <COLON> (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 {
+ <ENDWHILE>
+ } catch (ParseException e) {
+ errorMessage = "'endwhile' expected";
+ errorLevel = ERROR;
+ errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
+ errorEnd = SimpleCharStream.getPosition() + 1;
+ throw e;
+ }
+ try {
+ <SEMICOLON>
+ {
+ final 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() :
{
- <DO> Statement() <WHILE> Condition("while") (<SEMICOLON> | "?>")
+ final Statement action;
+ final Expression condition;
+ final int pos = SimpleCharStream.getPosition();
+}
+{
+ <DO> action = Statement() <WHILE> condition = Condition("while")
+ try {
+ <SEMICOLON>
+ {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;
+}
+{
+ <FOREACH>
+ try {
+ <LPAREN>
+ } 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 {
+ <AS>
+ } 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 {
+ <RPAREN>
+ } 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() :
{
- <FOR> <LPAREN> [ ForInit() ] <SEMICOLON> [ Expression() ] <SEMICOLON> [ ForUpdate() ] <RPAREN> Statement()
+final Token token;
+final int pos = SimpleCharStream.getPosition();
+Expression[] initializations = null;
+Expression condition = null;
+Expression[] increments = null;
+Statement action;
+final ArrayList list = new ArrayList();
+final int startBlock, endBlock;
+}
+{
+ token = <FOR>
+ try {
+ <LPAREN>
+ } 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() ] <SEMICOLON>
+ [ condition = Expression() ] <SEMICOLON>
+ [ increments = StatementExpressionList() ] <RPAREN>
+ (
+ action = Statement()
+ {return new ForStatement(initializations,condition,increments,action,pos,SimpleCharStream.getPosition());}
+ |
+ <COLON>
+ {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 {
+ <ENDFOR>
+ } catch (ParseException e) {
+ errorMessage = "'endfor' expected";
+ errorLevel = ERROR;
+ errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1;
+ errorEnd = SimpleCharStream.getPosition() + 1;
+ throw e;
+ }
+ try {
+ <SEMICOLON>
+ {
+ final 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() :
-{}
+Expression[] ForInit() :
+{
+ final Expression[] exprs;
+}
{
LOOKAHEAD(LocalVariableDeclaration())
- LocalVariableDeclaration()
+ exprs = LocalVariableDeclaration()
+ {return exprs;}
|
- StatementExpressionList()
+ exprs = StatementExpressionList()
+ {return exprs;}
}
-void StatementExpressionList() :
-{}
+Expression[] StatementExpressionList() :
{
- StatementExpression() ( <COMMA> StatementExpression() )*
+ final ArrayList list = new ArrayList();
+ final Expression expr;
}
-
-void ForUpdate() :
-{}
{
- StatementExpressionList()
+ expr = StatementExpression() {list.add(expr);}
+ (<COMMA> StatementExpression() {list.add(expr);})*
+ {
+ final Expression[] exprsArray = new Expression[list.size()];
+ list.toArray(exprsArray);
+ return exprsArray;}
}
-void BreakStatement() :
-{}
+Continue ContinueStatement() :
{
- <BREAK> [ <IDENTIFIER> ] <SEMICOLON>
+ Expression expr = null;
+ final int pos = SimpleCharStream.getPosition();
}
-
-void ContinueStatement() :
-{}
{
- <CONTINUE> [ <IDENTIFIER> ] <SEMICOLON>
+ <CONTINUE> [ expr = Expression() ]
+ try {
+ <SEMICOLON>
+ {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();
+}
{
- <RETURN> [ Expression() ] <SEMICOLON>
+ <RETURN> [ expr = Expression() ]
+ try {
+ <SEMICOLON>
+ {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
git://git.phpeclipse.com / phpeclipse.git / blobdiff