X-Git-Url: http://secure.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/test/PHPParser.jj b/net.sourceforge.phpeclipse/src/test/PHPParser.jj index 57e9eb8..9ad3eff 100644 --- a/net.sourceforge.phpeclipse/src/test/PHPParser.jj +++ b/net.sourceforge.phpeclipse/src/test/PHPParser.jj @@ -1,3 +1,4 @@ + options { LOOKAHEAD = 1; CHOICE_AMBIGUITY_CHECK = 2; @@ -17,6 +18,7 @@ options { BUILD_TOKEN_MANAGER = true; SANITY_CHECK = true; FORCE_LA_CHECK = false; + COMMON_TOKEN_ACTION = true; } PARSER_BEGIN(PHPParser) @@ -28,171 +30,235 @@ import org.eclipse.core.runtime.CoreException; import org.eclipse.ui.texteditor.MarkerUtilities; import org.eclipse.jface.preference.IPreferenceStore; -import java.io.CharArrayReader; import java.util.Hashtable; +import java.util.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 { + +//todo : fix the variables names bug +//todo : handle tilde operator - 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 String SYNTAX_ERROR_CHAR = "syntax error"; + /** + * 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; - public void setFileToParse(IFile fileToParse) { - this.fileToParse = fileToParse; + public static final boolean PARSER_DEBUG = true; + + 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; } /** - * Create markers according to the external parser output + * This function will throw the exception if we are in debug mode + * and process it if we are in production mode. + * this should be fast since the PARSER_DEBUG is static final so the difference will be at compile time + * @param e the exception + * @throws ParseException the thrown exception */ - 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("
", indx)) != -1) { - // newer php error output (tested with 4.2.3) - scanLine(output, file, indx, brIndx); - indx = brIndx + 6; - flag = false; + private static void processParseExceptionDebug(final ParseException e) throws ParseException { + if (PARSER_DEBUG) { + throw e; } - if (flag) { - while ((brIndx = output.indexOf("
", indx)) != -1) { - // older php error output (tested with 4.2.3) - scanLine(output, file, indx, brIndx); - indx = brIndx + 4; + processParseException(e); + } + /** + * 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 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 = e.currentToken.sourceStart; + errorEnd = e.currentToken.sourceEnd; + } + 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, + e.currentToken.sourceStart, + e.currentToken.sourceEnd, + errorLevel, + "Line " + e.currentToken.beginLine+", "+e.currentToken.sourceStart+":"+e.currentToken.sourceEnd); + } else { + setMarker(fileToParse, + errorMessage, + errorStart, + errorEnd, + errorLevel, + "Line " + e.currentToken.beginLine+", "+errorStart+":"+errorEnd); + 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 "); + final int onLine = current.indexOf("on line "); if (onLine != -1) { lineNumberBuffer.delete(0, lineNumberBuffer.length()); for (int i = onLine; i < current.length(); i++) { @@ -202,9 +268,9 @@ public class PHPParser extends PHPParserSuperclass { } } - 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("", ""); @@ -223,12 +289,17 @@ public class PHPParser extends PHPParserSuperclass { } } - 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); } } @@ -236,15 +307,15 @@ public class PHPParser extends PHPParserSuperclass { * Call the php parse command ( php -l -f <filename> ) * and create markers according to the external parser output */ - public static void phpExternalParse(IFile file) { - IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore(); - String filename = file.getLocation().toString(); + public static void phpExternalParse(final IFile file) { + final IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore(); + final String filename = file.getLocation().toString(); - String[] arguments = { filename }; - MessageFormat form = new MessageFormat(store.getString(PHPeclipsePlugin.EXTERNAL_PARSER_PREF)); - String command = form.format(arguments); + final String[] arguments = { filename }; + final MessageFormat form = new MessageFormat(store.getString(PHPeclipsePlugin.EXTERNAL_PARSER_PREF)); + final String command = form.format(arguments); - String parserResult = PHPStartApacheAction.getParserOutput(command, "External parser: "); + final String parserResult = PHPStartApacheAction.getParserOutput(command, "External parser: "); try { // parse the buffer to find the errors and warnings @@ -254,31 +325,78 @@ public class PHPParser extends PHPParserSuperclass { } } - public void parse() throws ParseException { + /** + * Put a new html block in the stack. + */ + public static final void createNewHTMLCode() { + final int currentPosition = token.sourceStart; + if (currentPosition == htmlStart || + currentPosition < htmlStart || + currentPosition > SimpleCharStream.currentBuffer.length()) { + return; + } + final char[] chars = SimpleCharStream.currentBuffer.substring(htmlStart, + currentPosition).toCharArray(); + pushOnAstNodes(new HTMLCode(chars, htmlStart,currentPosition)); + } + + /** Create a new task. */ + public static final void createNewTask(final int todoStart) { + final String todo = SimpleCharStream.currentBuffer.substring(todoStart, + SimpleCharStream.currentBuffer.indexOf("\n", + todoStart)-1); + if (!PARSER_DEBUG) { + try { + setMarker(fileToParse, + todo, + SimpleCharStream.getBeginLine(), + TASK, + "Line "+SimpleCharStream.getBeginLine()); + } catch (CoreException e) { + PHPeclipsePlugin.log(e); + } + } + } + + private static final void parse() throws ParseException { phpFile(); } } PARSER_END(PHPParser) +TOKEN_MGR_DECLS: +{ + // CommonTokenAction: use the begins/ends fields added to the Jack + // CharStream class to set corresponding fields in each Token (which was + // also extended with new fields). By default Jack doesn't supply absolute + // offsets, just line/column offsets + static void CommonTokenAction(Token t) { + t.sourceStart = input_stream.beginOffset; + t.sourceEnd = input_stream.endOffset; + } // CommonTokenAction +} // TOKEN_MGR_DECLS + TOKEN : { - " : PHPPARSING +| : PHPPARSING +| "> : DEFAULT } - TOKEN : +/* Skip any character if we are not in php mode */ + SKIP : { - "?>" : DEFAULT + < ~[] > } -/* WHITE SPACE */ +/* WHITE SPACE */ SKIP : { " " @@ -288,33 +406,47 @@ PARSER_END(PHPParser) | "\f" } + SPECIAL_TOKEN : +{ + " " : PHPPARSING +| "\t" : PHPPARSING +| "\n" : PHPPARSING +| "\r" : PHPPARSING +| "\f" : PHPPARSING +} /* COMMENTS */ - - MORE : + 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 } - -SPECIAL_TOKEN : + SPECIAL_TOKEN : { - " > : PHPPARSING + : PHPPARSING +| < ~[] > } - -SPECIAL_TOKEN : + SPECIAL_TOKEN : { - : PHPPARSING + "todo" } - -SPECIAL_TOKEN : +void todo() : +{Token todoToken;} { - : PHPPARSING + todoToken = "TODO" {createNewTask(todoToken.sourceStart);} +} + SPECIAL_TOKEN : +{ + "*/" : PHPPARSING +} + + SPECIAL_TOKEN : +{ + "*/" : PHPPARSING } @@ -333,121 +465,145 @@ MORE : | | | +| +| } /* LANGUAGE CONSTRUCT */ TOKEN : { - -| -| -| -| -| -| -| -| "> -| -| "> + +| +| +| +| +| +| +| +| +} + + TOKEN : +{ + "> : PHPPARSING +| : PHPPARSING +| "> : PHPPARSING } /* RESERVED WORDS AND LITERALS */ TOKEN : { - < BREAK: "break" > -| < CASE: "case" > -| < CONST: "const" > -| < CONTINUE: "continue" > -| < _DEFAULT: "default" > -| < DO: "do" > -| < EXTENDS: "extends" > -| < FALSE: "false" > -| < FOR: "for" > -| < GOTO: "goto" > -| < NEW: "new" > -| < NULL: "null" > -| < RETURN: "return" > -| < SUPER: "super" > -| < SWITCH: "switch" > -| < THIS: "this" > -| < TRUE: "true" > -| < WHILE: "while" > -| < ENDWHILE : "endwhile" > + +| +| +| <_DEFAULT : "default"> +| +| +| +| +| +| +| +| +| +| +| +| +| +| +| +| +| +| +| } /* TYPES */ - TOKEN : { - -| -| + +| +| | -| -| -| -| +| +| +| +| | } - TOKEN : +//Misc token + TOKEN : { - < _ORL : "OR" > -| < _ANDL: "AND"> + : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING } -/* LITERALS */ +/* OPERATORS */ + TOKEN : +{ + : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| >"> : PHPPARSING +| >>"> : PHPPARSING +| <_ORL : "OR"> : PHPPARSING +| <_ANDL : "AND"> : PHPPARSING +} +/* LITERALS */ TOKEN : { - < INTEGER_LITERAL: + (["l","L"])? | (["l","L"])? | (["l","L"])? > | - < #DECIMAL_LITERAL: ["1"-"9"] (["0"-"9"])* > + <#DECIMAL_LITERAL: ["1"-"9"] (["0"-"9"])* > | - < #HEX_LITERAL: "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])+ > + <#HEX_LITERAL: "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])+ > | - < #OCTAL_LITERAL: "0" (["0"-"7"])* > + <#OCTAL_LITERAL: "0" (["0"-"7"])* > | - < FLOATING_POINT_LITERAL: + )? (["f","F","d","D"])? | "." (["0"-"9"])+ ()? (["f","F","d","D"])? | (["0"-"9"])+ (["f","F","d","D"])? | (["0"-"9"])+ ()? ["f","F","d","D"] > | - < #EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ > + <#EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ > | - < STRING_LITERAL: ( | | )> -| < STRING_1: - "\"" - ( (~["\""]) - | "\\\"" - )* - "\"" - > -| < STRING_2: - "'" - ( (~["'"]))* - - "'" - > -| < STRING_3: - "`" - ( (~["`"]))* - "`" - > + | | )> +| +| +| } /* IDENTIFIERS */ - TOKEN : + + TOKEN : { : IN_VARIABLE} + + + TOKEN : { - < IDENTIFIER: (|) (||)* > + |) (||)* > | < #LETTER: ["a"-"z"] | ["A"-"Z"] @@ -458,83 +614,58 @@ MORE : > | < #SPECIAL: - "_" + "_" | ["\u007f"-"\u00ff"] > } /* SEPARATORS */ - TOKEN : + TOKEN : { - < LPAREN: "(" > -| < RPAREN: ")" > -| < LBRACE: "{" > -| < RBRACE: "}" > -| < LBRACKET: "[" > -| < RBRACKET: "]" > -| < SEMICOLON: ";" > -| < COMMA: "," > -| < DOT: "." > + : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| : PHPPARSING } -/* OPERATORS */ - TOKEN : +/* COMPARATOR */ + TOKEN : { - -| -| < ASSIGN: "=" > -| < GT: ">" > -| < LT: "<" > -| < BANG: "!" > -| < HOOK: "?" > -| < COLON: ":" > -| < EQ: "==" > -| < LE: "<=" > -| < GE: ">=" > -| < NE: "!=" > -| < SC_OR: "||" > -| < SC_AND: "&&" > -| < INCR: "++" > -| < DECR: "--" > -| < PLUS: "+" > -| < MINUS: "-" > -| < STAR: "*" > -| < SLASH: "/" > -| < BIT_AND: "&" > -| < BIT_OR: "|" > -| < XOR: "^" > -| < REM: "%" > -| < LSHIFT: "<<" > -| < RSIGNEDSHIFT: ">>" > -| < RUNSIGNEDSHIFT: ">>>" > -| < PLUSASSIGN: "+=" > -| < MINUSASSIGN: "-=" > -| < STARASSIGN: "*=" > -| < SLASHASSIGN: "/=" > -| < ANDASSIGN: "&=" > -| < ORASSIGN: "|=" > -| < XORASSIGN: "^=" > -| < DOTASSIGN: ".=" > -| < REMASSIGN: "%=" > -| < LSHIFTASSIGN: "<<=" > -| < RSIGNEDSHIFTASSIGN: ">>=" > -| < RUNSIGNEDSHIFTASSIGN: ">>>=" > + "> : PHPPARSING +| : PHPPARSING +| : PHPPARSING +| ="> : PHPPARSING +| "> : PHPPARSING +| : PHPPARSING +| : PHPPARSING } - TOKEN : +/* ASSIGNATION */ + TOKEN : { - < DOLLAR_ID: > + : PHPPARSING +| >="> : PHPPARSING } -/***************************************** - * THE JAVA LANGUAGE GRAMMAR STARTS HERE * - *****************************************/ - -/* - * Program structuring syntax follows. - */ - void phpTest() : {} { @@ -545,8 +676,75 @@ void phpTest() : void phpFile() : {} { - ("")* - + try { + (PhpBlock())* + {PHPParser.createNewHTMLCode();} + } catch (TokenMgrError e) { + PHPeclipsePlugin.log(e); + errorStart = SimpleCharStream.beginOffset; + errorEnd = SimpleCharStream.endOffset; + errorMessage = e.getMessage(); + errorLevel = ERROR; + throw generateParseException(); + } +} + +/** + * A php block is a + * or + * or + */ +void PhpBlock() : +{ + final PHPEchoBlock phpEchoBlock; + final Token token,phpEnd; +} +{ + phpEchoBlock = phpEchoBlock() + {pushOnAstNodes(phpEchoBlock);} +| + [ + | token = + {try { + setMarker(fileToParse, + "You should use ' + {htmlStart = phpEnd.sourceEnd;} + } 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 PHPEchoBlock echoBlock; + final Token token, token2; +} +{ + token = {PHPParser.createNewHTMLCode();} + expr = Expression() [ ] token2 = + { + htmlStart = token2.sourceEnd; + + echoBlock = new PHPEchoBlock(expr,token.sourceStart,token2.sourceEnd); + pushOnAstNodes(echoBlock); + return echoBlock;} } void Php() : @@ -555,630 +753,2570 @@ void Php() : (BlockStatement())* } -void ClassDeclaration() : -{} +ClassDeclaration ClassDeclaration() : { - [ ] - ClassBody() + final ClassDeclaration classDeclaration; + Token className = null; + final Token superclassName, token, extendsToken; + String classNameImage = SYNTAX_ERROR_CHAR; + String superclassNameImage = null; + final int classEnd; } +{ + token = + try { + className = + {classNameImage = className.image;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', identifier expected"; + errorLevel = ERROR; + errorStart = token.sourceEnd+1; + errorEnd = token.sourceEnd+1; + processParseExceptionDebug(e); + } + [ + extendsToken = + try { + superclassName = + {superclassNameImage = superclassName.image;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', identifier expected"; + errorLevel = ERROR; + errorStart = extendsToken.sourceEnd+1; + errorEnd = extendsToken.sourceEnd+1; + processParseExceptionDebug(e); + superclassNameImage = SYNTAX_ERROR_CHAR; + } + ] + { + int start, end; + if (className == null) { + start = token.sourceStart; + end = token.sourceEnd; + } else { + start = className.sourceStart; + end = className.sourceEnd; + } + if (superclassNameImage == null) { -void ClassBody() : -{} + classDeclaration = new ClassDeclaration(currentSegment, + classNameImage, + start, + end); + } else { + classDeclaration = new ClassDeclaration(currentSegment, + classNameImage, + superclassNameImage, + start, + end); + } + currentSegment.add(classDeclaration); + currentSegment = classDeclaration; + } + classEnd = ClassBody(classDeclaration) + {currentSegment = (OutlineableWithChildren) currentSegment.getParent(); + classDeclaration.sourceEnd = classEnd; + pushOnAstNodes(classDeclaration); + return classDeclaration;} +} + +int ClassBody(final ClassDeclaration classDeclaration) : { - ( ClassBodyDeclaration() )* +Token token; +} +{ + try { + + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image + "'. '{' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + processParseExceptionDebug(e); + } + ( ClassBodyDeclaration(classDeclaration) )* + try { + token = + {return token.sourceEnd;} + } 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); + return PHPParser.token.sourceEnd; + } } -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() : { - VariableDeclarator() ( VariableDeclarator() )* + VariableDeclaration variableDeclaration; + final VariableDeclaration[] list; + final ArrayList arrayList = new ArrayList(); + final Token token; + Token token2 = null; + int pos; } +{ + token = variableDeclaration = VariableDeclaratorNoSuffix() + { + arrayList.add(variableDeclaration); + outlineInfo.addVariable(variableDeclaration.name()); + pos = variableDeclaration.sourceEnd; + } + ( + variableDeclaration = VariableDeclaratorNoSuffix() + { + arrayList.add(variableDeclaration); + outlineInfo.addVariable(variableDeclaration.name()); + pos = variableDeclaration.sourceEnd; + } + )* + try { + token2 = + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected after variable declaration"; + errorLevel = ERROR; + errorStart = pos+1; + errorEnd = pos+1; + processParseExceptionDebug(e); + } -void VariableDeclarator() : -{} + {list = new VariableDeclaration[arrayList.size()]; + arrayList.toArray(list); + int end; + if (token2 == null) { + end = list[list.length-1].sourceEnd; + } else { + end = token2.sourceEnd; + } + return new FieldDeclaration(list, + token.sourceStart, + end, + currentSegment);} +} + +/** + * a strict variable declarator : there cannot be a suffix here. + * It will be used by fields and formal parameters + */ +VariableDeclaration VariableDeclaratorNoSuffix() : +{ + final Token dollar, token, lbrace,rbrace; + Expression expr, initializer = null; + Token assignToken; + Variable variable; +} +{ + dollar = + ( + token = + {variable = new Variable(token.image,dollar.sourceStart,token.sourceEnd);} + | + lbrace = expr = Expression() rbrace = + {variable = new Variable(expr,dollar.sourceStart,rbrace.sourceEnd);} + ) + [ + assignToken = + try { + initializer = VariableInitializer() + } catch (ParseException e) { + errorMessage = "Literal expression expected in variable initializer"; + errorLevel = ERROR; + errorStart = assignToken.sourceEnd +1; + errorEnd = assignToken.sourceEnd +1; + processParseExceptionDebug(e); + } + ] + { + if (initializer == null) { + return new VariableDeclaration(currentSegment, + variable, + variable.sourceStart, + variable.sourceEnd); + } + return new VariableDeclaration(currentSegment, + variable, + initializer, + VariableDeclaration.EQUAL, + variable.sourceStart); + } +} + +/** + * this will be used by static statement + */ +VariableDeclaration VariableDeclarator() : { - VariableDeclaratorId() [ VariableInitializer() ] + final AbstractVariable variable; + Expression initializer = null; + final Token token; +} +{ + variable = VariableDeclaratorId() + [ + token = + try { + initializer = VariableInitializer() + } catch (ParseException e) { + errorMessage = "Literal expression expected in variable initializer"; + errorLevel = ERROR; + errorStart = token.sourceEnd+1; + errorEnd = token.sourceEnd+1; + processParseExceptionDebug(e); + } + ] + { + if (initializer == null) { + return new VariableDeclaration(currentSegment, + variable, + variable.sourceStart, + variable.sourceEnd); + } + return new VariableDeclaration(currentSegment, + variable, + initializer, + VariableDeclaration.EQUAL, + variable.sourceStart); + } } -void VariableDeclaratorId() : -{} +/** + * A Variable name. + * @return the variable name (with suffix) + */ +AbstractVariable VariableDeclaratorId() : { - Variable() ( LOOKAHEAD(2) VariableSuffix() )* + final Variable var; + AbstractVariable expression = null; +} +{ + 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(): -{} +Variable Variable() : +{ + Variable variable = null; + final Token token; +} { - ( Expression() ) * + token = variable = Var(token) + { + return new Variable(variable,token.sourceStart,variable.sourceEnd); + } +} + +Variable Var(final Token dollar) : +{ + Variable variable = null; + final Token token,token2; + ConstantIdentifier constant; + Expression expression; +} +{ + token = variable = Var(token) + {return new Variable(variable,dollar.sourceStart,variable.sourceEnd);} +| + token = expression = Expression() token2 = + { + return new Variable(expression, + dollar.sourceStart, + token2.sourceEnd); + } | - VariableName() + token = + {return new Variable(token.image,dollar.sourceStart,token.sourceEnd);} } -void VariableName(): -{} +Expression VariableInitializer() : +{ + final Expression expr; + final Token token, token2; +} { - Expression() + expr = Literal() + {return expr;} | - ( Expression() ) * + token2 = (token = | token = ) + {return new PrefixedUnaryExpression(new NumberLiteral(token), + OperatorIds.MINUS, + token2.sourceStart);} | - VariableName() + token2 = (token = | token = ) + {return new PrefixedUnaryExpression(new NumberLiteral(token), + OperatorIds.PLUS, + token2.sourceStart);} +| + expr = ArrayDeclarator() + {return expr;} +| + token = + {return new ConstantIdentifier(token);} } -void VariableInitializer() : -{} +ArrayVariableDeclaration ArrayVariable() : { - Expression() +final Expression expr,expr2; +} +{ + expr = Expression() + [ + expr2 = Expression() + {return new ArrayVariableDeclaration(expr,expr2);} + ] + {return new ArrayVariableDeclaration(expr,SimpleCharStream.getPosition());} } -void ArrayVariable() : -{} +ArrayVariableDeclaration[] ArrayInitializer() : +{ + ArrayVariableDeclaration expr; + final ArrayList list = new ArrayList(); +} { - Expression() ( Expression())* + + [ + expr = ArrayVariable() + {list.add(expr);} + ( LOOKAHEAD(2) expr = ArrayVariable() + {list.add(expr);} + )* + ] + [ + {list.add(null);} + ] + + { + final ArrayVariableDeclaration[] vars = new ArrayVariableDeclaration[list.size()]; + list.toArray(vars); + return vars;} } -void ArrayInitializer() : -{} +/** + * A Method Declaration. + * function MetodDeclarator() Block() + */ +MethodDeclaration MethodDeclaration() : { - [ ArrayVariable() ( LOOKAHEAD(2) ArrayVariable() )* ] + final MethodDeclaration functionDeclaration; + final Block block; + final OutlineableWithChildren seg = currentSegment; + final Token token; +} +{ + token = + try { + functionDeclaration = MethodDeclarator(token.sourceStart) + {outlineInfo.addVariable(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 MethodDeclaration() : -{} +/** + * A MethodDeclarator. + * [&] IDENTIFIER(parameters ...). + * @return a function description for the outline + */ +MethodDeclaration MethodDeclarator(final int start) : { - MethodDeclarator() - ( Block() | ) + Token identifier = null; + Token reference = null; + final Hashtable formalParameters = new Hashtable(); + String identifierChar = SYNTAX_ERROR_CHAR; + int end = start; +} +{ + [reference = {end = reference.sourceEnd;}] + try { + identifier = + { + identifierChar = identifier.image; + end = identifier.sourceEnd; + } + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', function identifier expected"; + errorLevel = ERROR; + errorStart = e.currentToken.sourceEnd; + errorEnd = e.currentToken.next.sourceStart; + processParseExceptionDebug(e); + } + end = FormalParameters(formalParameters) + { + int nameStart, nameEnd; + if (identifier == null) { + if (reference == null) { + nameStart = start + 9; + nameEnd = start + 10; + } else { + nameStart = reference.sourceEnd + 1; + nameEnd = reference.sourceEnd + 2; + } + } else { + nameStart = identifier.sourceStart; + nameEnd = identifier.sourceEnd; + } + return new MethodDeclaration(currentSegment, + identifierChar, + formalParameters, + reference != null, + nameStart, + nameEnd, + start, + end); + } } -void MethodDeclarator() : -{} +/** + * FormalParameters follows method identifier. + * (FormalParameter()) + */ +int FormalParameters(final Hashtable parameters) : { - [] FormalParameters() + VariableDeclaration var; + final Token token; + Token tok = PHPParser.token; + int end = tok.sourceEnd; +} +{ + try { + tok = + {end = tok.sourceEnd;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', '(' expected after function identifier"; + errorLevel = ERROR; + errorStart = e.currentToken.next.sourceStart; + errorEnd = e.currentToken.next.sourceEnd; + processParseExceptionDebug(e); + } + [ + var = FormalParameter() + {parameters.put(var.name(),var);end = var.sourceEnd;} + ( + var = FormalParameter() + {parameters.put(var.name(),var);end = var.sourceEnd;} + )* + ] + try { + token = + {end = token.sourceEnd;} + } catch (ParseException e) { + errorMessage = "')' expected"; + errorLevel = ERROR; + errorStart = e.currentToken.next.sourceStart; + errorEnd = e.currentToken.next.sourceEnd; + processParseExceptionDebug(e); + } + {return end;} } -void FormalParameters() : -{} +/** + * A formal parameter. + * $varname[=value] (,$varname[=value]) + */ +VariableDeclaration FormalParameter() : { - [ FormalParameter() ( FormalParameter() )* ] + final VariableDeclaration variableDeclaration; + Token token = null; +} +{ + [token = ] variableDeclaration = VariableDeclaratorNoSuffix() + { + if (token != null) { + variableDeclaration.setReference(true); + } + return variableDeclaration;} } -void FormalParameter() : -{} +ConstantIdentifier Type() : +{final Token token;} { - [] VariableDeclarator() + token = {return new ConstantIdentifier(token);} +| token = {return new ConstantIdentifier(token);} +| token = {return new ConstantIdentifier(token);} +| token = {return new ConstantIdentifier(token);} +| token = {return new ConstantIdentifier(token);} +| token = {return new ConstantIdentifier(token);} +| token = {return new ConstantIdentifier(token);} +| token = {return new ConstantIdentifier(token);} +| token = {return new ConstantIdentifier(token);} } -void Type() : -{} +Expression Expression() : { - -| - -| - -| - -| - -| - -| - -| - + final Expression expr; + Expression initializer = null; + int assignOperator = -1; +} +{ + LOOKAHEAD(1) + expr = ConditionalExpression() + [ + 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, + initializer, + expr.sourceStart, + initializer.sourceEnd); + } + String varName = expr.toStringExpression().substring(1); + return new VariableDeclaration(currentSegment, + new Variable(varName, + expr.sourceStart, + expr.sourceEnd), + expr.sourceStart, + initializer.sourceEnd); + } + return expr; + } +| expr = ExpressionWBang() {return expr;} } -/* - * Expression syntax follows. - */ +Expression ExpressionWBang() : +{ + final Expression expr; + final Token token; +} +{ + token = expr = ExpressionWBang() + {return new PrefixedUnaryExpression(expr,OperatorIds.NOT,token.sourceStart);} +| expr = ExpressionNoBang() {return expr;} +} -void Expression() : -/* - * This expansion has been written this way instead of: - * Assignment() | ConditionalExpression() - * for performance reasons. - * However, it is a weakening of the grammar for it allows the LHS of - * assignments to be any conditional expression whereas it can only be - * a primary expression. Consider adding a semantic predicate to work - * around this. - */ -{} +Expression ExpressionNoBang() : { - PrintExpression() + Expression expr; +} +{ + expr = ListExpression() {return expr;} | - ConditionalExpression() - [ - AssignmentOperator() Expression() - ] + expr = PrintExpression() {return expr;} } -void AssignmentOperator() : +/** + * Any assignement operator. + * @return the assignement operator id + */ +int AssignmentOperator() : {} { - | | | | | | | | | | | | + {return VariableDeclaration.EQUAL;} +| {return VariableDeclaration.STAR_EQUAL;} +| {return VariableDeclaration.SLASH_EQUAL;} +| {return VariableDeclaration.REM_EQUAL;} +| {return VariableDeclaration.PLUS_EQUAL;} +| {return VariableDeclaration.MINUS_EQUAL;} +| {return VariableDeclaration.LSHIFT_EQUAL;} +| {return VariableDeclaration.RSIGNEDSHIFT_EQUAL;} +| {return VariableDeclaration.AND_EQUAL;} +| {return VariableDeclaration.XOR_EQUAL;} +| {return VariableDeclaration.OR_EQUAL;} +| {return VariableDeclaration.DOT_EQUAL;} +| {return VariableDeclaration.TILDE_EQUAL;} } -void ConditionalExpression() : -{} +Expression ConditionalExpression() : { - ConditionalOrExpression() [ Expression() ConditionalExpression() ] + final Expression expr; + Expression expr2 = null; + Expression expr3 = null; +} +{ + expr = ConditionalOrExpression() [ expr2 = Expression() expr3 = ConditionalExpression() ] +{ + if (expr3 == null) { + return expr; + } + return new ConditionalExpression(expr,expr2,expr3); +} } -void ConditionalOrExpression() : -{} +Expression ConditionalOrExpression() : { - ConditionalAndExpression() ( ( | <_ORL>) ConditionalAndExpression() )* + Expression expr,expr2; + int operator; +} +{ + expr = ConditionalAndExpression() + ( + ( + {operator = OperatorIds.OR_OR;} + | <_ORL> {operator = OperatorIds.ORL;} + ) + expr2 = ConditionalAndExpression() + { + expr = new BinaryExpression(expr,expr2,operator); + } + )* + {return expr;} } -void ConditionalAndExpression() : -{} +Expression ConditionalAndExpression() : +{ + Expression expr,expr2; + int operator; +} { - ConcatExpression() ( ( | <_ANDL>) ConcatExpression() )* + expr = ConcatExpression() + ( + ( {operator = OperatorIds.AND_AND;} + | <_ANDL> {operator = OperatorIds.ANDL;}) + expr2 = ConcatExpression() {expr = new BinaryExpression(expr,expr2,operator);} + )* + {return expr;} } -void ConcatExpression() : -{} +Expression ConcatExpression() : { - InclusiveOrExpression() ( InclusiveOrExpression() )* + Expression expr,expr2; +} +{ + expr = InclusiveOrExpression() + ( + expr2 = InclusiveOrExpression() + {expr = new BinaryExpression(expr,expr2,OperatorIds.DOT);} + )* + {return expr;} } -void InclusiveOrExpression() : -{} +Expression InclusiveOrExpression() : { - ExclusiveOrExpression() ( ExclusiveOrExpression() )* + Expression expr,expr2; +} +{ + expr = ExclusiveOrExpression() + ( expr2 = ExclusiveOrExpression() + {expr = new BinaryExpression(expr,expr2,OperatorIds.OR);} + )* + {return expr;} } -void ExclusiveOrExpression() : -{} +Expression ExclusiveOrExpression() : { - AndExpression() ( AndExpression() )* + Expression expr,expr2; +} +{ + expr = AndExpression() + ( + expr2 = AndExpression() + {expr = new BinaryExpression(expr,expr2,OperatorIds.XOR);} + )* + {return expr;} } -void AndExpression() : -{} +Expression AndExpression() : +{ + Expression expr,expr2; +} { - EqualityExpression() ( EqualityExpression() )* + expr = EqualityExpression() + ( + LOOKAHEAD(1) + expr2 = EqualityExpression() + {expr = new BinaryExpression(expr,expr2,OperatorIds.AND);} + )* + {return expr;} } -void EqualityExpression() : -{} +Expression EqualityExpression() : +{ + Expression expr,expr2; + int operator; + Token token; +} { - RelationalExpression() ( ( | ) RelationalExpression() )* + expr = RelationalExpression() + ( + ( token = {operator = OperatorIds.EQUAL_EQUAL;} + | token = {operator = OperatorIds.DIF;} + | token = {operator = OperatorIds.DIF;} + | token = {operator = OperatorIds.BANG_EQUAL_EQUAL;} + | token = {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 = token.sourceEnd +1; + errorEnd = token.sourceEnd +1; + expr2 = new ConstantIdentifier(SYNTAX_ERROR_CHAR,token.sourceEnd +1,token.sourceEnd +1); + processParseExceptionDebug(e); + } + { + expr = new BinaryExpression(expr,expr2,operator); + } + )* + {return expr;} } -void RelationalExpression() : -{} +Expression RelationalExpression() : { - ShiftExpression() ( ( | | | ) ShiftExpression() )* + Expression expr,expr2; + int operator; +} +{ + expr = ShiftExpression() + ( + ( {operator = OperatorIds.LESS;} + | {operator = OperatorIds.GREATER;} + | {operator = OperatorIds.LESS_EQUAL;} + | {operator = OperatorIds.GREATER_EQUAL;}) + expr2 = ShiftExpression() + {expr = new BinaryExpression(expr,expr2,operator);} + )* + {return expr;} } -void ShiftExpression() : -{} +Expression ShiftExpression() : { - AdditiveExpression() ( ( | | ) AdditiveExpression() )* + Expression expr,expr2; + int operator; +} +{ + expr = AdditiveExpression() + ( + ( {operator = OperatorIds.LEFT_SHIFT;} + | {operator = OperatorIds.RIGHT_SHIFT;} + | {operator = OperatorIds.UNSIGNED_RIGHT_SHIFT;}) + expr2 = AdditiveExpression() + {expr = new BinaryExpression(expr,expr2,operator);} + )* + {return expr;} } -void AdditiveExpression() : -{} +Expression AdditiveExpression() : { - MultiplicativeExpression() ( ( | ) MultiplicativeExpression() )* + Expression expr,expr2; + int operator; +} +{ + expr = MultiplicativeExpression() + ( + LOOKAHEAD(1) + ( {operator = OperatorIds.PLUS;} + | {operator = OperatorIds.MINUS;} + ) + expr2 = MultiplicativeExpression() + {expr = new BinaryExpression(expr,expr2,operator);} + )* + {return expr;} } -void MultiplicativeExpression() : -{} +Expression MultiplicativeExpression() : +{ + Expression expr,expr2; + int operator; +} { - UnaryExpression() ( ( | | ) UnaryExpression() )* + try { + expr = UnaryExpression() + } catch (ParseException e) { + if (errorMessage != null) throw e; + errorMessage = "unexpected token '"+e.currentToken.next.image+"'"; + errorLevel = ERROR; + errorStart = PHPParser.token.sourceStart; + errorEnd = PHPParser.token.sourceEnd; + throw e; + } + ( + ( {operator = OperatorIds.MULTIPLY;} + | {operator = OperatorIds.DIVIDE;} + | {operator = OperatorIds.REMAINDER;}) + expr2 = UnaryExpression() + {expr = new BinaryExpression(expr,expr2,operator);} + )* + {return expr;} } -void UnaryExpression() : -{} +/** + * An unary expression starting with @, & or nothing + */ +Expression UnaryExpression() : { - UnaryExpression() -| - ( | ) UnaryExpression() + final Expression expr; +} +{ + /* expr = UnaryExpressionNoPrefix() //why did I had that ? + {return new PrefixedUnaryExpression(expr,OperatorIds.AND,pos);} +| */ + expr = AtNotTildeUnaryExpression() {return expr;} +} + +Expression AtNotTildeUnaryExpression() : +{ + final Expression expr; + final Token token; +} +{ + token = + expr = AtNotTildeUnaryExpression() + {return new PrefixedUnaryExpression(expr,OperatorIds.AT,token.sourceStart);} | - PreIncrementExpression() + token = + expr = AtNotTildeUnaryExpression() + {return new PrefixedUnaryExpression(expr,OperatorIds.TWIDDLE,token.sourceStart);} | - PreDecrementExpression() + token = + expr = AtNotUnaryExpression() + {return new PrefixedUnaryExpression(expr,OperatorIds.NOT,token.sourceStart);} | - UnaryExpressionNotPlusMinus() + expr = UnaryExpressionNoPrefix() + {return expr;} } -void PreIncrementExpression() : -{} +/** + * An expression prefixed (or not) by one or more @ and !. + * @return the expression + */ +Expression AtNotUnaryExpression() : { - PrimaryExpression() + final Expression expr; + final Token token; } - -void PreDecrementExpression() : -{} { - PrimaryExpression() + token = + expr = AtNotUnaryExpression() + {return new PrefixedUnaryExpression(expr,OperatorIds.AT,token.sourceStart);} +| + token = + expr = AtNotUnaryExpression() + {return new PrefixedUnaryExpression(expr,OperatorIds.NOT,token.sourceStart);} +| + expr = UnaryExpressionNoPrefix() + {return expr;} } -void UnaryExpressionNotPlusMinus() : -{} +Expression UnaryExpressionNoPrefix() : { - UnaryExpression() -| - LOOKAHEAD( Type() ) - CastExpression() + final Expression expr; + final Token token; +} +{ + token = expr = AtNotTildeUnaryExpression() {return new PrefixedUnaryExpression(expr, + OperatorIds.PLUS, + token.sourceStart);} | - PostfixExpression() + token = expr = AtNotTildeUnaryExpression() {return new PrefixedUnaryExpression(expr, + OperatorIds.MINUS, + token.sourceStart);} | - Literal() + expr = PreIncDecExpression() + {return expr;} | - Expression() + expr = UnaryExpressionNotPlusMinus() + {return expr;} } -void CastExpression() : -{} + +Expression PreIncDecExpression() : { - Type() UnaryExpression() +final Expression expr; +final int operator; +final Token token; +} +{ + ( + token = {operator = OperatorIds.PLUS_PLUS;} + | + token = {operator = OperatorIds.MINUS_MINUS;} + ) + expr = PrimaryExpression() + {return new PrefixedUnaryExpression(expr,operator,token.sourceStart);} } -void PostfixExpression() : -{} +Expression UnaryExpressionNotPlusMinus() : { - PrimaryExpression() [ | ] + final Expression expr; +} +{ + LOOKAHEAD( (Type() | ) ) + expr = CastExpression() {return expr;} +| expr = PostfixExpression() {return expr;} +| expr = Literal() {return expr;} +| expr = Expression() + try { + + } catch (ParseException e) { + errorMessage = "')' expected"; + errorLevel = ERROR; + errorStart = expr.sourceEnd +1; + errorEnd = expr.sourceEnd +1; + processParseExceptionDebug(e); + } + {return expr;} } -void PrimaryExpression() : -{} +CastExpression CastExpression() : { - LOOKAHEAD(2) - ClassIdentifier() (PrimarySuffix())* -| - PrimaryPrefix() ( PrimarySuffix() )* -| - ArrayInitializer() +final ConstantIdentifier type; +final Expression expr; +final Token token,token1; +} +{ + token1 = + ( + type = Type() + | + token = {type = new ConstantIdentifier(token);} + ) + expr = UnaryExpression() + {return new CastExpression(type,expr,token1.sourceStart,expr.sourceEnd);} } -void PrimaryPrefix() : -{} +Expression PostfixExpression() : { - -| - ClassIdentifier() -| - VariableDeclaratorId() + final Expression expr; + int operator = -1; + Token token = null; +} +{ + expr = PrimaryExpression() + [ + token = {operator = OperatorIds.PLUS_PLUS;} + | + token = {operator = OperatorIds.MINUS_MINUS;} + ] + { + if (operator == -1) { + return expr; + } + return new PostfixedUnaryExpression(expr,operator,token.sourceEnd); + } } -void ClassIdentifier(): -{} +Expression PrimaryExpression() : { - + Expression expr; + Token token = null; +} +{ + [token = ] expr = refPrimaryExpression(token) + {return expr;} | - VariableDeclaratorId() + expr = ArrayDeclarator() + {return expr;} } -void PrimarySuffix() : -{} +Expression refPrimaryExpression(final Token reference) : { - Arguments() + Expression expr; + Expression expr2 = null; + final Token identifier; +} +{ + identifier = + { + expr = new ConstantIdentifier(identifier); + } + ( + expr2 = ClassIdentifier() + {expr = new ClassAccess(expr, + expr2, + ClassAccess.STATIC);} + )* + [ expr2 = Arguments(expr) ] + { + if (expr2 == null) { + if (reference != null) { + ParseException e = generateParseException(); + errorMessage = "you cannot use a constant by reference"; + errorLevel = ERROR; + errorStart = reference.sourceStart; + errorEnd = reference.sourceEnd; + processParseExceptionDebug(e); + } + return expr; + } + return expr2; + } | - VariableSuffix() + expr = VariableDeclaratorId() //todo use the reference parameter ... + [ expr = Arguments(expr) ] + {return expr;} +| + token = + expr = ClassIdentifier() + { + int start; + if (reference == null) { + start = token.sourceStart; + } else { + start = reference.sourceStart; + } + expr = new ClassInstantiation(expr, + reference != null, + start); + } + [ expr = Arguments(expr) ] + {return expr;} } -void VariableSuffix() : -{} +/** + * An array declarator. + * array(vars) + * @return an array + */ +ArrayInitializer ArrayDeclarator() : +{ + final ArrayVariableDeclaration[] vars; + final Token token; +} { - VariableName() -| - [ Expression() ] + token = vars = ArrayInitializer() + {return new ArrayInitializer(vars, + token.sourceStart, + PHPParser.token.sourceEnd);} } -void Literal() : -{} +Expression ClassIdentifier(): { - -| - -| - + final Expression expr; + final Token token; +} +{ + token = {return new ConstantIdentifier(token);} +| expr = Type() {return expr;} +| expr = VariableDeclaratorId() {return expr;} +} + +/** + * Used by Variabledeclaratorid and primarysuffix + */ +AbstractVariable VariableSuffix(final AbstractVariable prefix) : +{ + Expression expression = null; + final Token classAccessToken,lbrace,rbrace; + Token token; + int pos; +} +{ + classAccessToken = + try { + ( + lbrace = expression = Expression() rbrace = + { + expression = new Variable(expression, + lbrace.sourceStart, + rbrace.sourceEnd); + } + | + token = + {expression = new Variable(token.image,token.sourceStart,token.sourceEnd);} + | + expression = Variable() + ) + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', function call or field access expected"; + errorLevel = ERROR; + errorStart = classAccessToken.sourceEnd +1; + errorEnd = classAccessToken.sourceEnd +1; + processParseExceptionDebug(e); + } + {return new ClassAccess(prefix, + expression, + ClassAccess.NORMAL);} | - BooleanLiteral() + token = {pos = token.sourceEnd+1;} + [ expression = Expression() {pos = expression.sourceEnd+1;} + | expression = Type() {pos = expression.sourceEnd+1;}] //Not good + try { + token = + {pos = token.sourceEnd;} + } catch (ParseException e) { + errorMessage = "']' expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + {return new ArrayDeclarator(prefix,expression,pos);} | - NullLiteral() + token = {pos = token.sourceEnd+1;} + [ expression = Expression() {pos = expression.sourceEnd+1;} + | expression = Type() {pos = expression.sourceEnd+1;}] //Not good + try { + token = + {pos = token.sourceEnd;} + } catch (ParseException e) { + errorMessage = "']' expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + {return new ArrayDeclarator(prefix,expression,pos);}//todo : check braces here } -void BooleanLiteral() : -{} +Literal Literal() : { - -| - + final Token token; +} +{ + token = {return new NumberLiteral(token);} +| token = {return new NumberLiteral(token);} +| token = {return new StringLiteral(token);} +| token = {return new TrueLiteral(token);} +| token = {return new FalseLiteral(token);} +| token = {return new NullLiteral(token);} } -void NullLiteral() : -{} +FunctionCall Arguments(final Expression func) : { - +Expression[] args = null; +final Token token; +} +{ + [ args = ArgumentList() ] + try { + token = + {return new FunctionCall(func,args,token.sourceEnd);} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', ')' expected to close the argument list"; + errorLevel = ERROR; + errorStart = args[args.length-1].sourceEnd+1; + errorEnd = args[args.length-1].sourceEnd+1; + processParseExceptionDebug(e); + } + {return new FunctionCall(func,args,args[args.length-1].sourceEnd);} } -void Arguments() : -{} +/** + * 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(); +int pos; +Token token; +} +{ + arg = Expression() + {list.add(arg);pos = arg.sourceEnd;} + ( token = {pos = token.sourceEnd;} + try { + arg = Expression() + {list.add(arg); + pos = arg.sourceEnd;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. An expression expected after a comma in argument list"; + errorLevel = ERROR; + errorStart = pos+1; + errorEnd = pos+1; + processParseException(e); + } + )* + { + final Expression[] arguments = new Expression[list.size()]; + list.toArray(arguments); + return arguments;} +} + +/** + * A Statement without break. + * @return a statement + */ +Statement StatementNoBreak() : { - [ ArgumentList() ] + final Statement statement; + Token token = null; +} +{ + LOOKAHEAD(2) + 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=] statement = IncludeStatement() + {if (token != null) { + ((InclusionStatement)statement).silent = true; + statement.sourceStart = token.sourceStart; + } + return statement;} +| statement = StaticStatement() {return statement;} +| statement = GlobalStatement() {return statement;} +| statement = defineStatement() {currentSegment.add((Outlineable)statement);return statement;} } -void ArgumentList() : -{} +/** + * A statement expression. + * expression ; + * @return an expression + */ +Statement expressionStatement() : +{ + final Statement statement; + final Token token; +} +{ + statement = Expression() + try { + token = + {statement.sourceEnd = token.sourceEnd;} + } catch (ParseException e) { + if (e.currentToken.next.kind != PHPParserConstants.PHPEND) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected"; + errorLevel = ERROR; + errorStart = statement.sourceEnd+1; + errorEnd = statement.sourceEnd+1; + processParseExceptionDebug(e); + } + } + {return statement;} +} + +Define defineStatement() : +{ + Expression defineName,defineValue; + final Token defineToken; + Token token; + int pos; +} { - Expression() ( Expression() )* + defineToken = {pos = defineToken.sourceEnd+1;} + try { + token = + {pos = token.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', '(' expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + try { + defineName = Expression() + {pos = defineName.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', expression expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + defineName = new StringLiteral(SYNTAX_ERROR_CHAR,pos,pos); + } + try { + token = + {pos = defineName.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', ',' expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + try { + defineValue = Expression() + {pos = defineValue.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', expression expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + defineValue = new StringLiteral(SYNTAX_ERROR_CHAR,pos,pos); + } + try { + token = + {pos = token.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', ')' expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + {return new Define(currentSegment, + defineName, + defineValue, + defineToken.sourceStart, + pos);} } -/* - * Statement syntax follows. +/** + * A Normal statement. */ +Statement Statement() : +{ + final Statement statement; +} +{ + statement = StatementNoBreak() {return statement;} +| statement = BreakStatement() {return statement;} +} -void Statement() : -{} +/** + * An html block inside a php syntax. + */ +HTMLBlock htmlBlock() : { - LOOKAHEAD(2) - Expression() ( | "?>") -| - LOOKAHEAD(2) - LabeledStatement() -| - Block() -| - EmptyStatement() -| - StatementExpression() + final int startIndex = nodePtr; + final AstNode[] blockNodes; + final int nbNodes; + final Token phpEnd; +} +{ + phpEnd = + {htmlStart = phpEnd.sourceEnd;} + (phpEchoBlock())* try { - + ( | ) + {PHPParser.createNewHTMLCode();} } catch (ParseException e) { - errorMessage = "';' expected after expression"; + errorMessage = "unexpected end of file , ' Expression() ( | "?>") -| - Expression() ( | "?>") -| - Expression() ( | "?>") -| - Expression() ( | "?>") + Expression expr; + final int keyword; + final InclusionStatement inclusionStatement; + final Token token, token2; + int pos; +} +{ + ( token = {keyword = InclusionStatement.REQUIRE;pos=token.sourceEnd;} + | token = {keyword = InclusionStatement.REQUIRE_ONCE;pos=token.sourceEnd;} + | token = {keyword = InclusionStatement.INCLUDE;pos=token.sourceEnd;} + | token = {keyword = InclusionStatement.INCLUDE_ONCE;pos=token.sourceEnd;}) + try { + expr = Expression() + {pos = expr.sourceEnd;} + } catch (ParseException e) { + if (errorMessage != null) { + throw e; + } + errorMessage = "unexpected token '"+ e.currentToken.next.image+"', expression expected"; + errorLevel = ERROR; + errorStart = e.currentToken.next.sourceStart; + errorEnd = e.currentToken.next.sourceEnd; + expr = new ConstantIdentifier(SYNTAX_ERROR_CHAR,pos,pos); + processParseExceptionDebug(e); + } + try { + token2 = + {pos=token2.sourceEnd;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected"; + errorLevel = ERROR; + errorStart = e.currentToken.next.sourceStart; + errorEnd = e.currentToken.next.sourceEnd; + processParseExceptionDebug(e); + } + { + inclusionStatement = new InclusionStatement(currentSegment, + keyword, + expr, + token.sourceStart, + pos); + currentSegment.add(inclusionStatement); + return inclusionStatement; + } } -void PrintExpression() : -{} +PrintExpression PrintExpression() : { - Expression() + final Expression expr; + final Token printToken; +} +{ + token = expr = Expression() + {return new PrintExpression(expr,token.sourceStart,expr.sourceEnd);} } -void EchoStatement() : -{} +ListExpression ListExpression() : { - Expression() ( Expression())* + Expression expr = null; + final Expression expression; + final ArrayList list = new ArrayList(); + int pos; + final Token listToken, rParen; + Token token; +} +{ + listToken = {pos = listToken.sourceEnd;} try { - ( | "?>") + token = {pos = token.sourceEnd;} } catch (ParseException e) { - errorMessage = "';' expected after 'echo' statement"; + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', '(' expected"; errorLevel = ERROR; - throw e; + errorStart = listToken.sourceEnd+1; + errorEnd = listToken.sourceEnd+1; + processParseExceptionDebug(e); } + [ + expr = VariableDeclaratorId() + {list.add(expr);pos = expr.sourceEnd;} + ] + {if (expr == null) list.add(null);} + ( + try { + token = + {pos = token.sourceEnd;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', ',' expected"; + errorLevel = ERROR; + errorStart = pos+1; + errorEnd = pos+1; + processParseExceptionDebug(e); + } + [expr = VariableDeclaratorId() {list.add(expr);pos = expr.sourceEnd;}] + )* + try { + rParen = + {pos = rParen.sourceEnd;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"', ')' expected"; + errorLevel = ERROR; + errorStart = pos+1; + errorEnd = pos+1; + processParseExceptionDebug(e); + } + [ expression = Expression() + { + final AbstractVariable[] vars = new AbstractVariable[list.size()]; + list.toArray(vars); + return new ListExpression(vars, + expression, + listToken.sourceStart, + expression.sourceEnd);} + ] + { + final AbstractVariable[] vars = new AbstractVariable[list.size()]; + list.toArray(vars); + return new ListExpression(vars,listToken.sourceStart,pos);} } -void GlobalStatement() : -{} +/** + * An echo statement. + * echo anyexpression (, otherexpression)* + */ +EchoStatement EchoStatement() : { - VariableDeclaratorId() ( VariableDeclaratorId())* ( | "?>") + final ArrayList expressions = new ArrayList(); + Expression expr; + Token token; + Token token2 = null; +} +{ + token = expr = Expression() + {expressions.add(expr);} + ( + expr = Expression() + {expressions.add(expr);} + )* + try { + token2 = + } catch (ParseException e) { + if (e.currentToken.next.kind != 4) { + errorMessage = "';' expected after 'echo' statement"; + errorLevel = ERROR; + errorStart = e.currentToken.sourceEnd; + errorEnd = e.currentToken.sourceEnd; + processParseExceptionDebug(e); + } + } + { + final Expression[] exprs = new Expression[expressions.size()]; + expressions.toArray(exprs); + if (token2 == null) { + return new EchoStatement(exprs,token.sourceStart, exprs[exprs.length-1].sourceEnd); + } + return new EchoStatement(exprs,token.sourceStart, token2.sourceEnd); + } +} + +GlobalStatement GlobalStatement() : +{ + Variable expr; + final ArrayList vars = new ArrayList(); + final GlobalStatement global; + final Token token, token2; + int pos; +} +{ + token = + expr = Variable() + {vars.add(expr);pos = expr.sourceEnd+1;} + ( + expr = Variable() + {vars.add(expr);pos = expr.sourceEnd+1;} + )* + try { + token2 = + {pos = token2.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. a ';' was expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + { + final Variable[] variables = new Variable[vars.size()]; + vars.toArray(variables); + global = new GlobalStatement(currentSegment, + variables, + token.sourceStart, + pos); + currentSegment.add(global); + return global;} } -void StaticStatement() : -{} +StaticStatement StaticStatement() : { - VariableDeclarator() ( VariableDeclarator())* ( | "?>") + final ArrayList vars = new ArrayList(); + VariableDeclaration expr; + final Token token, token2; + int pos; +} +{ + token = expr = VariableDeclarator() {vars.add(expr);pos = expr.sourceEnd+1;} + ( + expr = VariableDeclarator() {vars.add(expr);pos = expr.sourceEnd+1;} + )* + try { + token2 = + {pos = token2.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. a ';' was expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseException(e); + } + { + final VariableDeclaration[] variables = new VariableDeclaration[vars.size()]; + vars.toArray(variables); + return new StaticStatement(variables, + token.sourceStart, + pos);} } -void LabeledStatement() : -{} +LabeledStatement LabeledStatement() : { - Statement() + final Token label; + final Statement statement; +} +{ + label = statement = Statement() + {return new LabeledStatement(label.image,statement,label.sourceStart,statement.sourceEnd);} } -void Block() : -{} +/** + * A Block is + * { + * statements + * }. + * @return a block + */ +Block Block() : { - ( BlockStatement() )* + final ArrayList list = new ArrayList(); + Statement statement; + final Token token, token2; + int pos,start; +} +{ + try { + token = + {pos = token.sourceEnd+1;start=token.sourceStart;} + } catch (ParseException e) { + errorMessage = "'{' expected"; + errorLevel = ERROR; + pos = PHPParser.token.sourceEnd+1; + start=pos; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + ( statement = BlockStatement() {list.add(statement);pos = statement.sourceEnd+1;} + | statement = htmlBlock() {if (statement != null) { + list.add(statement); + pos = statement.sourceEnd+1; + } + pos = PHPParser.token.sourceEnd+1; + } + )* + try { + token2 = + {pos = token2.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.image +"', '}' expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + { + final Statement[] statements = new Statement[list.size()]; + list.toArray(statements); + return new Block(statements,start,pos);} } -void BlockStatement() : -{} +Statement BlockStatement() : { - Statement() -| - ClassDeclaration() -| - MethodDeclaration() + final Statement statement; +} +{ + try { + statement = Statement() {if (phpDocument == currentSegment) pushOnAstNodes(statement); + return statement;} + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.image +"', a statement was expected"; + errorLevel = ERROR; + errorStart = e.currentToken.sourceStart; + errorEnd = e.currentToken.sourceEnd; + throw e; + } +| statement = ClassDeclaration() {return statement;} +| statement = MethodDeclaration() {if (phpDocument == currentSegment) pushOnAstNodes(statement); + currentSegment.add((MethodDeclaration) statement); + ((MethodDeclaration) statement).analyzeCode(); + return statement;} } -void LocalVariableDeclaration() : -{} +/** + * A Block statement that will not contain any 'break' + */ +Statement BlockStatementNoBreak() : +{ + final Statement statement; +} { - VariableDeclarator() ( VariableDeclarator() )* + statement = StatementNoBreak() {return statement;} +| statement = ClassDeclaration() {return statement;} +| statement = MethodDeclaration() {currentSegment.add((MethodDeclaration) statement); + ((MethodDeclaration) statement).analyzeCode(); + return statement;} } -void EmptyStatement() : -{} +/** + * used only by ForInit() + */ +Expression[] LocalVariableDeclaration() : +{ + final ArrayList list = new ArrayList(); + Expression var; +} { - + var = Expression() + {list.add(var);} + ( var = Expression() {list.add(var);})* + { + final Expression[] vars = new Expression[list.size()]; + list.toArray(vars); + return vars; + } } -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 LocalVariableDeclaration(). */ -{} +VariableDeclaration LocalVariableDeclarator() : +{ + final Variable varName; + Expression initializer = null; +} +{ + varName = Variable() [ initializer = Expression() ] + { + if (initializer == null) { + return new VariableDeclaration(currentSegment, + varName, + varName.sourceStart, + varName.sourceEnd); + } + return new VariableDeclaration(currentSegment, + varName, + initializer, + VariableDeclaration.EQUAL, + varName.sourceStart); + } +} + +EmptyStatement EmptyStatement() : { - PreIncrementExpression() -| - PreDecrementExpression() + final Token token; +} +{ + token = + {return new EmptyStatement(token.sourceStart,token.sourceEnd);} +} + +/** + * used only by StatementExpressionList() which is used only by ForInit() and ForStatement() + */ +Expression StatementExpression() : +{ + final Expression expr; + final Token operator; +} +{ + expr = PreIncDecExpression() {return expr;} | - PrimaryExpression() - [ - - | - - | - AssignmentOperator() Expression() + expr = PrimaryExpression() + [ operator = {return new PostfixedUnaryExpression(expr, + OperatorIds.PLUS_PLUS, + operator.sourceEnd);} + | operator = {return new PostfixedUnaryExpression(expr, + OperatorIds.MINUS_MINUS, + operator.sourceEnd);} ] + {return expr;} } -void SwitchStatement() : -{} +SwitchStatement SwitchStatement() : { - Expression() - ( SwitchLabel() ( BlockStatement() )* )* - + Expression variable; + final AbstractCase[] cases; + final Token switchToken,lparenToken,rparenToken; + int pos; +} +{ + switchToken = {pos = switchToken.sourceEnd+1;} + try { + lparenToken = + {pos = lparenToken.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "'(' expected after 'switch'"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + try { + variable = Expression() {pos = variable.sourceEnd+1;} + } catch (ParseException e) { + if (errorMessage != null) { + throw e; + } + errorMessage = "expression expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + variable = new ConstantIdentifier(SYNTAX_ERROR_CHAR,pos,pos); + } + try { + rparenToken = {pos = rparenToken.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "')' expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + ( cases = switchStatementBrace() + | cases = switchStatementColon(switchToken.sourceStart, switchToken.sourceEnd)) + {return new SwitchStatement(variable, + cases, + switchToken.sourceStart, + PHPParser.token.sourceEnd);} } -void SwitchLabel() : -{} +AbstractCase[] switchStatementBrace() : { - Expression() -| - <_DEFAULT> + AbstractCase cas; + final ArrayList cases = new ArrayList(); + Token token; + int pos; +} +{ + token = {pos = token.sourceEnd;} + ( cas = switchLabel0() {cases.add(cas);pos = cas.sourceEnd;})* + try { + token = + {pos = token.sourceEnd;} + } catch (ParseException e) { + errorMessage = "'}' expected"; + errorLevel = ERROR; + errorStart = pos+1; + errorEnd = pos+1; + processParseExceptionDebug(e); + } + { + final AbstractCase[] abcase = new AbstractCase[cases.size()]; + cases.toArray(abcase); + return abcase; + } } -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 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(); + Token token; + int pos; +} +{ + token = {pos = token.sourceEnd;} + {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);pos = cas.sourceEnd;})* + try { + token = {pos = token.sourceEnd;} + } catch (ParseException e) { + errorMessage = "'endswitch' expected"; + errorLevel = ERROR; + errorStart = pos+1; + errorEnd = pos+1; + processParseExceptionDebug(e); + } + try { + token = {pos = token.sourceEnd;} + } catch (ParseException e) { + errorMessage = "';' expected after 'endswitch' keyword"; + errorLevel = ERROR; + errorStart = pos+1; + errorEnd = pos+1; + processParseExceptionDebug(e); + } + { + final AbstractCase[] abcase = new AbstractCase[cases.size()]; + cases.toArray(abcase); + return abcase; + } +} + +AbstractCase switchLabel0() : +{ + final Expression expr; + Statement statement; + final ArrayList stmts = new ArrayList(); + final Token token = PHPParser.token; +} { - Condition("if") Statement() [ LOOKAHEAD(1) ElseIfStatement() ] [ LOOKAHEAD(1) Statement() ] + expr = SwitchLabel() + ( statement = BlockStatementNoBreak() {stmts.add(statement);} + | statement = htmlBlock() {if (statement != null) {stmts.add(statement);}} + | statement = BreakStatement() {stmts.add(statement);})* + //[ statement = BreakStatement() {stmts.add(statement);}] + { + final int listSize = stmts.size(); + final Statement[] stmtsArray = new Statement[listSize]; + stmts.toArray(stmtsArray); + if (expr == null) {//it's a default + return new DefaultCase(stmtsArray,token.sourceStart,stmtsArray[listSize-1].sourceEnd); + } + if (listSize != 0) { + return new Case(expr,stmtsArray,expr.sourceStart,stmtsArray[listSize-1].sourceEnd); + } else { + return new Case(expr,stmtsArray,expr.sourceStart,expr.sourceEnd); + } + } } -void Condition(String keyword) : -{} +/** + * A SwitchLabel. + * case Expression() : + * default : + * @return the if it was a case and null if not + */ +Expression SwitchLabel() : +{ + final Expression expr; +} +{ + token = + try { + expr = Expression() + } catch (ParseException e) { + if (errorMessage != null) throw e; + errorMessage = "expression expected after 'case' keyword"; + errorLevel = ERROR; + errorStart = token.sourceEnd +1; + errorEnd = token.sourceEnd +1; + throw e; + } + try { + token = + {return expr;} + } catch (ParseException e) { + errorMessage = "':' expected after case expression"; + errorLevel = ERROR; + errorStart = expr.sourceEnd+1; + errorEnd = expr.sourceEnd+1; + processParseExceptionDebug(e); + } +| + token = <_DEFAULT> + try { + + {return null;} + } catch (ParseException e) { + errorMessage = "':' expected after 'default' keyword"; + errorLevel = ERROR; + errorStart = token.sourceEnd+1; + errorEnd = token.sourceEnd+1; + processParseExceptionDebug(e); + } +} + +Break BreakStatement() : +{ + Expression expression = null; + final Token token, token2; + int pos; +} +{ + token = {pos = token.sourceEnd+1;} + [ expression = Expression() {pos = expression.sourceEnd+1;}] + try { + token2 = + {pos = token2.sourceEnd;} + } catch (ParseException e) { + errorMessage = "';' expected after 'break' keyword"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + {return new Break(expression, token.sourceStart, pos);} +} + +IfStatement IfStatement() : +{ + final Expression condition; + final IfStatement ifStatement; + Token token; +} +{ + token = condition = Condition("if") + ifStatement = IfStatement0(condition,token.sourceStart,token.sourceEnd) + {return ifStatement;} +} + + +Expression Condition(final String keyword) : +{ + final Expression condition; +} { try { } catch (ParseException e) { errorMessage = "'(' expected after " + keyword + " keyword"; errorLevel = ERROR; - throw e; + errorStart = PHPParser.token.sourceEnd + 1; + errorEnd = PHPParser.token.sourceEnd + 1; + processParseExceptionDebug(e); } - Expression() + condition = Expression() try { } catch (ParseException e) { errorMessage = "')' expected after " + keyword + " keyword"; errorLevel = ERROR; + errorStart = condition.sourceEnd+1; + errorEnd = condition.sourceEnd+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; +} +{ + + {stmts = new ArrayList();} + ( statement = Statement() {stmts.add(statement);} + | statement = htmlBlock() {if (statement != null) {stmts.add(statement);}})* + {endStatements = SimpleCharStream.getPosition();} + (elseifStatement = ElseIfStatementColon() {elseIfList.add(elseifStatement);})* + [elseStatement = ElseStatementColon()] + + {try { + setMarker(fileToParse, + "Ugly syntax detected, you should if () {...} instead of if (): ... endif;", + start, + end, + INFO, + "Line " + token.beginLine); + } catch (CoreException e) { + PHPeclipsePlugin.log(e); + }} + try { + + } catch (ParseException e) { + errorMessage = "'endif' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + + } catch (ParseException e) { + errorMessage = "';' expected after 'endif' keyword"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; throw e; } + { + elseIfs = new ElseIf[elseIfList.size()]; + elseIfList.toArray(elseIfs); + if (stmts.size() == 1) { + return new IfStatement(condition, + (Statement) stmts.get(0), + elseIfs, + elseStatement, + pos, + SimpleCharStream.getPosition()); + } else { + statementsArray = new Statement[stmts.size()]; + stmts.toArray(statementsArray); + return new IfStatement(condition, + new Block(statementsArray,pos,endStatements), + elseIfs, + elseStatement, + pos, + SimpleCharStream.getPosition()); + } + } + +| + (stmt = Statement() | stmt = htmlBlock()) + ( LOOKAHEAD(1) elseifStatement = ElseIfStatement() {elseIfList.add(elseifStatement);})* + [ LOOKAHEAD(1) + + try { + {pos = SimpleCharStream.getPosition();} + statement = Statement() + {elseStatement = new Else(statement,pos,SimpleCharStream.getPosition());} + } catch (ParseException e) { + if (errorMessage != null) { + throw e; + } + errorMessage = "unexpected token '"+e.currentToken.next.image+"', a statement was expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + ] + { + elseIfs = new ElseIf[elseIfList.size()]; + elseIfList.toArray(elseIfs); + return new IfStatement(condition, + stmt, + elseIfs, + elseStatement, + pos, + SimpleCharStream.getPosition());} } -void ElseIfStatement() : -{} +ElseIf ElseIfStatementColon() : { - Condition("elseif") Statement() + final Expression condition; + Statement statement; + final ArrayList list = new ArrayList(); + final Token elseifToken; +} +{ + elseifToken = condition = Condition("elseif") + ( statement = Statement() {list.add(statement);} + | statement = htmlBlock() {if (statement != null) {list.add(statement);}})* + { + final int sizeList = list.size(); + final Statement[] stmtsArray = new Statement[sizeList]; + list.toArray(stmtsArray); + return new ElseIf(condition,stmtsArray , + elseifToken.sourceStart, + stmtsArray[sizeList-1].sourceEnd);} } -void WhileStatement() : -{} +Else ElseStatementColon() : { - Condition("while") WhileStatement0() + Statement statement; + final ArrayList list = new ArrayList(); + final Token elseToken; +} +{ + elseToken = ( statement = Statement() {list.add(statement);} + | statement = htmlBlock() {if (statement != null) {list.add(statement);}})* + { + final int sizeList = list.size(); + final Statement[] stmtsArray = new Statement[sizeList]; + list.toArray(stmtsArray); + return new Else(stmtsArray,elseToken.sourceStart,stmtsArray[sizeList-1].sourceEnd);} } -void WhileStatement0() : -{} +ElseIf ElseIfStatement() : { - (Statement())* ( | "?>") + final Expression condition; + //final Statement statement; + final Token elseifToken; + final Statement[] statement = new Statement[1]; +} +{ + elseifToken = condition = Condition("elseif") statement[0] = Statement() + { + return new ElseIf(condition,statement,elseifToken.sourceStart,statement[0].sourceEnd);} +} + +WhileStatement WhileStatement() : +{ + final Expression condition; + final Statement action; + final Token whileToken; +} +{ + whileToken = + condition = Condition("while") + action = WhileStatement0(whileToken.sourceStart,whileToken.sourceEnd) + {return new WhileStatement(condition,action,whileToken.sourceStart,action.sourceEnd);} +} + +Statement WhileStatement0(final int start, final int end) : +{ + Statement statement; + final ArrayList stmts = new ArrayList(); + final int pos = SimpleCharStream.getPosition(); +} +{ + (statement = Statement() {stmts.add(statement);})* + {try { + setMarker(fileToParse, + "Ugly syntax detected, you should while () {...} instead of while (): ... endwhile;", + start, + end, + INFO, + "Line " + token.beginLine); + } catch (CoreException e) { + PHPeclipsePlugin.log(e); + }} + try { + + } catch (ParseException e) { + errorMessage = "'endwhile' expected"; + errorLevel = ERROR; + errorStart = SimpleCharStream.getPosition() - e.currentToken.next.image.length() + 1; + errorEnd = SimpleCharStream.getPosition() + 1; + throw e; + } + try { + + { + 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() : { - Statement() Condition("while") ( | "?>") + final Statement action; + final Expression condition; + final Token token; + Token token2 = null; +} +{ + token = action = Statement() condition = Condition("while") + try { + token2 = + } catch (ParseException e) { + errorMessage = "unexpected token : '"+ e.currentToken.next.image +"'. A ';' was expected"; + errorLevel = ERROR; + errorStart = condition.sourceEnd+1; + errorEnd = condition.sourceEnd+1; + processParseExceptionDebug(e); + } + { + if (token2 == null) { + return new DoStatement(condition,action,token.sourceStart,condition.sourceEnd); + } + return new DoStatement(condition,action,token.sourceStart,token2.sourceEnd); + } } -void ForStatement() : -{} +ForeachStatement ForeachStatement() : { - [ ForInit() ] [ Expression() ] [ ForUpdate() ] Statement() + Statement statement = null; + Expression expression = null; + ArrayVariableDeclaration variable = null; + Token foreachToken; + Token lparenToken = null; + Token asToken = null; + Token rparenToken = null; + int pos; } +{ + foreachToken = + try { + lparenToken = + {pos = lparenToken.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "'(' expected after 'foreach' keyword"; + errorLevel = ERROR; + errorStart = foreachToken.sourceEnd+1; + errorEnd = foreachToken.sourceEnd+1; + processParseExceptionDebug(e); + {pos = foreachToken.sourceEnd+1;} + } + try { + expression = Expression() + {pos = expression.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "variable expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + try { + asToken = + {pos = asToken.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "'as' expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + try { + variable = ArrayVariable() + {pos = variable.sourceEnd+1;} + } catch (ParseException e) { + if (errorMessage != null) throw e; + errorMessage = "variable expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + try { + rparenToken = + {pos = rparenToken.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "')' expected after 'foreach' keyword"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + try { + statement = Statement() + {pos = rparenToken.sourceEnd+1;} + } catch (ParseException e) { + if (errorMessage != null) throw e; + errorMessage = "statement expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + {return new ForeachStatement(expression, + variable, + statement, + foreachToken.sourceStart, + statement.sourceEnd);} -void ForInit() : -{} +} + +/** + * a for declaration. + * @return a node representing the for statement + */ +ForStatement ForStatement() : +{ +final Token token,tokenEndFor,token2,tokenColon; +int pos; +Expression[] initializations = null; +Expression condition = null; +Expression[] increments = null; +Statement action; +final ArrayList list = new ArrayList(); +} +{ + token = + try { + + } catch (ParseException e) { + errorMessage = "'(' expected after 'for' keyword"; + errorLevel = ERROR; + errorStart = token.sourceEnd; + errorEnd = token.sourceEnd +1; + processParseExceptionDebug(e); + } + [ initializations = ForInit() ] + [ condition = Expression() ] + [ increments = StatementExpressionList() ] + ( + action = Statement() + {return new ForStatement(initializations, + condition, + increments, + action, + token.sourceStart, + action.sourceEnd);} + | + tokenColon = {pos = tokenColon.sourceEnd+1;} + (action = Statement() {list.add(action);pos = action.sourceEnd+1;})* + { + try { + setMarker(fileToParse, + "Ugly syntax detected, you should for () {...} instead of for (): ... endfor;", + token.sourceStart, + token.sourceEnd, + INFO, + "Line " + token.beginLine); + } catch (CoreException e) { + PHPeclipsePlugin.log(e); + } + } + try { + tokenEndFor = + {pos = tokenEndFor.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "'endfor' expected"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + try { + token2 = + {pos = token2.sourceEnd+1;} + } catch (ParseException e) { + errorMessage = "';' expected after 'endfor' keyword"; + errorLevel = ERROR; + errorStart = pos; + errorEnd = pos; + processParseExceptionDebug(e); + } + { + final Statement[] stmtsArray = new Statement[list.size()]; + list.toArray(stmtsArray); + return new ForStatement(initializations, + condition, + increments, + new Block(stmtsArray, + stmtsArray[0].sourceStart, + stmtsArray[stmtsArray.length-1].sourceEnd), + token.sourceStart, + pos);} + ) +} + +Expression[] ForInit() : +{ + final Expression[] exprs; +} { LOOKAHEAD(LocalVariableDeclaration()) - LocalVariableDeclaration() + exprs = LocalVariableDeclaration() + {return exprs;} | - StatementExpressionList() + exprs = StatementExpressionList() + {return exprs;} } -void StatementExpressionList() : -{} +Expression[] StatementExpressionList() : { - StatementExpression() ( StatementExpression() )* + final ArrayList list = new ArrayList(); + final Expression expr; } - -void ForUpdate() : -{} { - StatementExpressionList() + expr = Expression() {list.add(expr);} + ( Expression() {list.add(expr);})* + { + final Expression[] exprsArray = new Expression[list.size()]; + list.toArray(exprsArray); + return exprsArray; + } } -void BreakStatement() : -{} +Continue ContinueStatement() : { - [ ] + Expression expr = null; + final Token token; + Token token2 = null; } - -void ContinueStatement() : -{} { - [ ] + token = [ expr = Expression() ] + try { + token2 = + } catch (ParseException e) { + errorMessage = "';' expected after 'continue' statement"; + errorLevel = ERROR; + if (expr == null) { + errorStart = token.sourceEnd+1; + errorEnd = token.sourceEnd+1; + } else { + errorStart = expr.sourceEnd+1; + errorEnd = expr.sourceEnd+1; + } + processParseExceptionDebug(e); + } + { + if (token2 == null) { + if (expr == null) { + return new Continue(expr,token.sourceStart,token.sourceEnd); + } + return new Continue(expr,token.sourceStart,expr.sourceEnd); + } + return new Continue(expr,token.sourceStart,token2.sourceEnd); + } } -void ReturnStatement() : -{} +ReturnStatement ReturnStatement() : { - [ Expression() ] -} \ No newline at end of file + Expression expr = null; + final Token token; + Token token2 = null; +} +{ + token = [ expr = Expression() ] + try { + token2 = + } catch (ParseException e) { + errorMessage = "';' expected after 'return' statement"; + errorLevel = ERROR; + if (expr == null) { + errorStart = token.sourceEnd+1; + errorEnd = token.sourceEnd+1; + } else { + errorStart = expr.sourceEnd+1; + errorEnd = expr.sourceEnd+1; + } + processParseExceptionDebug(e); + } + { + if (token2 == null) { + if (expr == null) { + return new ReturnStatement(expr,token.sourceStart,token.sourceEnd); + } + return new ReturnStatement(expr,token.sourceStart,expr.sourceEnd); + } + return new ReturnStatement(expr,token.sourceStart,token2.sourceEnd); + } +} +