+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v0.5
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v05.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- ******************************************************************************/
-package net.sourceforge.phpdt.internal.compiler;
-
-/**
- * A source element parser extracts structural and reference information
- * from a piece of source.
- *
- * also see @ISourceElementRequestor
- *
- * The structural investigation includes:
- * - the package statement
- * - import statements
- * - top-level types: package member, member types (member types of member types...)
- * - fields
- * - methods
- *
- * If reference information is requested, then all source constructs are
- * investigated and type, field & method references are provided as well.
- *
- * Any (parsing) problem encountered is also provided.
- */
-
-import net.sourceforge.phpdt.core.compiler.IProblem;
-import net.sourceforge.phpdt.internal.compiler.ast.AbstractMethodDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.AllocationExpression;
-import net.sourceforge.phpdt.internal.compiler.ast.AnonymousLocalTypeDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.Argument;
-import net.sourceforge.phpdt.internal.compiler.ast.ArrayQualifiedTypeReference;
-import net.sourceforge.phpdt.internal.compiler.ast.ArrayTypeReference;
-import net.sourceforge.phpdt.internal.compiler.ast.AstNode;
-import net.sourceforge.phpdt.internal.compiler.ast.CompilationUnitDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.ConstructorDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.ExplicitConstructorCall;
-import net.sourceforge.phpdt.internal.compiler.ast.Expression;
-import net.sourceforge.phpdt.internal.compiler.ast.FieldDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.FieldReference;
-import net.sourceforge.phpdt.internal.compiler.ast.ImportReference;
-import net.sourceforge.phpdt.internal.compiler.ast.Initializer;
-import net.sourceforge.phpdt.internal.compiler.ast.LocalTypeDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.MemberTypeDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.MessageSend;
-import net.sourceforge.phpdt.internal.compiler.ast.MethodDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.NameReference;
-import net.sourceforge.phpdt.internal.compiler.ast.QualifiedAllocationExpression;
-import net.sourceforge.phpdt.internal.compiler.ast.QualifiedNameReference;
-import net.sourceforge.phpdt.internal.compiler.ast.QualifiedTypeReference;
-import net.sourceforge.phpdt.internal.compiler.ast.SingleNameReference;
-import net.sourceforge.phpdt.internal.compiler.ast.SingleTypeReference;
-import net.sourceforge.phpdt.internal.compiler.ast.TypeDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.TypeReference;
-import net.sourceforge.phpdt.internal.compiler.env.ICompilationUnit;
-import net.sourceforge.phpdt.internal.compiler.env.ISourceType;
-import net.sourceforge.phpdt.internal.compiler.impl.CompilerOptions;
-import net.sourceforge.phpdt.internal.compiler.impl.ReferenceContext;
-import net.sourceforge.phpdt.internal.compiler.lookup.BindingIds;
-import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
-import net.sourceforge.phpdt.internal.compiler.lookup.ClassScope;
-import net.sourceforge.phpdt.internal.compiler.parser.Parser;
-import net.sourceforge.phpdt.internal.compiler.parser.RecoveredType;
-import net.sourceforge.phpdt.internal.compiler.parser.SourceConstructorDeclaration;
-import net.sourceforge.phpdt.internal.compiler.parser.SourceFieldDeclaration;
-import net.sourceforge.phpdt.internal.compiler.parser.SourceMethodDeclaration;
-import net.sourceforge.phpdt.internal.compiler.parser.SourceTypeConverter;
-import net.sourceforge.phpdt.internal.compiler.problem.AbortCompilation;
-import net.sourceforge.phpdt.internal.compiler.problem.ProblemReporter;
-import net.sourceforge.phpdt.internal.compiler.util.CharOperation;
-
-public class SourceElementParser extends Parser {
-
- ISourceElementRequestor requestor;
- private int fieldCount;
- private int localIntPtr;
- private int lastFieldEndPosition;
- private ISourceType sourceType;
- private boolean reportReferenceInfo;
- private char[][] typeNames;
- private char[][] superTypeNames;
- private int nestedTypeIndex;
- private static final char[] JAVA_LANG_OBJECT = "java.lang.Object".toCharArray(); //$NON-NLS-1$
- private NameReference[] unknownRefs;
- private int unknownRefsCounter;
- private LocalDeclarationVisitor localDeclarationVisitor = null;
- private CompilerOptions options;
-
-/**
- * An ast visitor that visits local type declarations.
- */
-public class LocalDeclarationVisitor extends AbstractSyntaxTreeVisitorAdapter {
- public boolean visit(
- AnonymousLocalTypeDeclaration anonymousTypeDeclaration,
- BlockScope scope) {
- notifySourceElementRequestor(anonymousTypeDeclaration, sourceType == null);
- return false; // don't visit members as this was done during notifySourceElementRequestor(...)
- }
- public boolean visit(LocalTypeDeclaration typeDeclaration, BlockScope scope) {
- notifySourceElementRequestor(typeDeclaration, sourceType == null);
- return false; // don't visit members as this was done during notifySourceElementRequestor(...)
- }
- public boolean visit(MemberTypeDeclaration typeDeclaration, ClassScope scope) {
- notifySourceElementRequestor(typeDeclaration, sourceType == null);
- return false; // don't visit members as this was done during notifySourceElementRequestor(...)
- }
-
-}
-
-public SourceElementParser(
- final ISourceElementRequestor requestor,
- IProblemFactory problemFactory,
- CompilerOptions options) {
- // we want to notify all syntax error with the acceptProblem API
- // To do so, we define the record method of the ProblemReporter
- super(new ProblemReporter(
- DefaultErrorHandlingPolicies.exitAfterAllProblems(),
- options,
- problemFactory) {
- public void record(IProblem problem, CompilationResult unitResult, ReferenceContext referenceContext) {
- unitResult.record(problem, referenceContext);
- requestor.acceptProblem(problem);
- }
- },
- true,
- options.assertMode);
- this.requestor = requestor;
- typeNames = new char[4][];
- superTypeNames = new char[4][];
- nestedTypeIndex = 0;
- this.options = options;
-}
-
-/** @deprecated use SourceElementParser(ISourceElementRequestor, IProblemFactory, CompilerOptions) */
-public SourceElementParser(
- final ISourceElementRequestor requestor,
- IProblemFactory problemFactory) {
- this(requestor, problemFactory, new CompilerOptions());
-}
-
-public SourceElementParser(
- final ISourceElementRequestor requestor,
- IProblemFactory problemFactory,
- CompilerOptions options,
- boolean reportLocalDeclarations) {
- this(requestor, problemFactory, options);
- if (reportLocalDeclarations) {
- this.localDeclarationVisitor = new LocalDeclarationVisitor();
- }
-}
-
-public void checkAnnotation() {
- int firstCommentIndex = scanner.commentPtr;
-
- super.checkAnnotation();
-
- // modify the modifier source start to point at the first comment
- if (firstCommentIndex >= 0) {
- modifiersSourceStart = scanner.commentStarts[0];
- }
-}
-
-protected void classInstanceCreation(boolean alwaysQualified) {
-
- boolean previousFlag = reportReferenceInfo;
- reportReferenceInfo = false; // not to see the type reference reported in super call to getTypeReference(...)
- super.classInstanceCreation(alwaysQualified);
- reportReferenceInfo = previousFlag;
- if (reportReferenceInfo){
- AllocationExpression alloc = (AllocationExpression)expressionStack[expressionPtr];
- TypeReference typeRef = alloc.type;
- requestor.acceptConstructorReference(
- typeRef instanceof SingleTypeReference
- ? ((SingleTypeReference) typeRef).token
- : CharOperation.concatWith(alloc.type.getTypeName(), '.'),
- alloc.arguments == null ? 0 : alloc.arguments.length,
- alloc.sourceStart);
- }
-}
-protected void consumeConstructorHeaderName() {
- // ConstructorHeaderName ::= Modifiersopt 'Identifier' '('
-
- /* recovering - might be an empty message send */
- if (currentElement != null){
- if (lastIgnoredToken == TokenNamenew){ // was an allocation expression
- lastCheckPoint = scanner.startPosition; // force to restart at this exact position
- restartRecovery = true;
- return;
- }
- }
- SourceConstructorDeclaration cd = new SourceConstructorDeclaration(this.compilationUnit.compilationResult);
-
- //name -- this is not really revelant but we do .....
- cd.selector = identifierStack[identifierPtr];
- long selectorSourcePositions = identifierPositionStack[identifierPtr--];
- identifierLengthPtr--;
-
- //modifiers
- cd.declarationSourceStart = intStack[intPtr--];
- cd.modifiers = intStack[intPtr--];
-
- //highlight starts at the selector starts
- cd.sourceStart = (int) (selectorSourcePositions >>> 32);
- cd.selectorSourceEnd = (int) selectorSourcePositions;
- pushOnAstStack(cd);
-
- cd.sourceEnd = lParenPos;
- cd.bodyStart = lParenPos+1;
- listLength = 0; // initialize listLength before reading parameters/throws
-
- // recovery
- if (currentElement != null){
- lastCheckPoint = cd.bodyStart;
- if ((currentElement instanceof RecoveredType && lastIgnoredToken != TokenNameDOT)
- || cd.modifiers != 0){
- currentElement = currentElement.add(cd, 0);
- lastIgnoredToken = -1;
- }
- }
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeExitVariableWithInitialization() {
- // ExitVariableWithInitialization ::= $empty
- // the scanner is located after the comma or the semi-colon.
- // we want to include the comma or the semi-colon
- super.consumeExitVariableWithInitialization();
- if (isLocalDeclaration() || ((currentToken != TokenNameCOMMA) && (currentToken != TokenNameSEMICOLON)))
- return;
- ((SourceFieldDeclaration) astStack[astPtr]).fieldEndPosition = scanner.currentPosition - 1;
-}
-protected void consumeExitVariableWithoutInitialization() {
- // ExitVariableWithoutInitialization ::= $empty
- // do nothing by default
- if (isLocalDeclaration() || ((currentToken != TokenNameCOMMA) && (currentToken != TokenNameSEMICOLON)))
- return;
- ((SourceFieldDeclaration) astStack[astPtr]).fieldEndPosition = scanner.currentPosition - 1;
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeFieldAccess(boolean isSuperAccess) {
- // FieldAccess ::= Primary '.' 'Identifier'
- // FieldAccess ::= 'super' '.' 'Identifier'
- super.consumeFieldAccess(isSuperAccess);
- FieldReference fr = (FieldReference) expressionStack[expressionPtr];
- if (reportReferenceInfo) {
- requestor.acceptFieldReference(fr.token, fr.sourceStart);
- }
-}
-protected void consumeMethodHeaderName() {
- // MethodHeaderName ::= Modifiersopt Type 'Identifier' '('
- SourceMethodDeclaration md = new SourceMethodDeclaration(this.compilationUnit.compilationResult);
-
- //name
- md.selector = identifierStack[identifierPtr];
- long selectorSourcePositions = identifierPositionStack[identifierPtr--];
- identifierLengthPtr--;
- //type
- md.returnType = getTypeReference(intStack[intPtr--]);
- //modifiers
- md.declarationSourceStart = intStack[intPtr--];
- md.modifiers = intStack[intPtr--];
-
- //highlight starts at selector start
- md.sourceStart = (int) (selectorSourcePositions >>> 32);
- md.selectorSourceEnd = (int) selectorSourcePositions;
- pushOnAstStack(md);
- md.sourceEnd = lParenPos;
- md.bodyStart = lParenPos+1;
- listLength = 0; // initialize listLength before reading parameters/throws
-
- // recovery
- if (currentElement != null){
- if (currentElement instanceof RecoveredType
- //|| md.modifiers != 0
- || (scanner.getLineNumber(md.returnType.sourceStart)
- == scanner.getLineNumber(md.sourceStart))){
- lastCheckPoint = md.bodyStart;
- currentElement = currentElement.add(md, 0);
- lastIgnoredToken = -1;
- } else {
- lastCheckPoint = md.sourceStart;
- restartRecovery = true;
- }
- }
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeMethodInvocationName() {
- // MethodInvocation ::= Name '(' ArgumentListopt ')'
-
- // when the name is only an identifier...we have a message send to "this" (implicit)
- super.consumeMethodInvocationName();
- MessageSend messageSend = (MessageSend) expressionStack[expressionPtr];
- Expression[] args = messageSend.arguments;
- if (reportReferenceInfo) {
- requestor.acceptMethodReference(
- messageSend.selector,
- args == null ? 0 : args.length,
- (int)(messageSend.nameSourcePosition >>> 32));
- }
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeMethodInvocationPrimary() {
- super.consumeMethodInvocationPrimary();
- MessageSend messageSend = (MessageSend) expressionStack[expressionPtr];
- Expression[] args = messageSend.arguments;
- if (reportReferenceInfo) {
- requestor.acceptMethodReference(
- messageSend.selector,
- args == null ? 0 : args.length,
- (int)(messageSend.nameSourcePosition >>> 32));
- }
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeMethodInvocationSuper() {
- // MethodInvocation ::= 'super' '.' 'Identifier' '(' ArgumentListopt ')'
- super.consumeMethodInvocationSuper();
- MessageSend messageSend = (MessageSend) expressionStack[expressionPtr];
- Expression[] args = messageSend.arguments;
- if (reportReferenceInfo) {
- requestor.acceptMethodReference(
- messageSend.selector,
- args == null ? 0 : args.length,
- (int)(messageSend.nameSourcePosition >>> 32));
- }
-}
-protected void consumeSingleTypeImportDeclarationName() {
- // SingleTypeImportDeclarationName ::= 'import' Name
- /* push an ImportRef build from the last name
- stored in the identifier stack. */
-
- super.consumeSingleTypeImportDeclarationName();
- ImportReference impt = (ImportReference)astStack[astPtr];
- if (reportReferenceInfo) {
- requestor.acceptTypeReference(impt.tokens, impt.sourceStart, impt.sourceEnd);
- }
-}
-protected void consumeTypeImportOnDemandDeclarationName() {
- // TypeImportOnDemandDeclarationName ::= 'import' Name '.' '*'
- /* push an ImportRef build from the last name
- stored in the identifier stack. */
-
- super.consumeTypeImportOnDemandDeclarationName();
- ImportReference impt = (ImportReference)astStack[astPtr];
- if (reportReferenceInfo) {
- requestor.acceptUnknownReference(impt.tokens, impt.sourceStart, impt.sourceEnd);
- }
-}
-protected FieldDeclaration createFieldDeclaration(Expression initialization, char[] name, int sourceStart, int sourceEnd) {
- return new SourceFieldDeclaration(null, name, sourceStart, sourceEnd);
-}
-protected CompilationUnitDeclaration endParse(int act) {
- if (sourceType != null) {
- if (sourceType.isInterface()) {
- consumeInterfaceDeclaration();
- } else {
- consumeClassDeclaration();
- }
- }
- if (compilationUnit != null) {
- CompilationUnitDeclaration result = super.endParse(act);
- return result;
- } else {
- return null;
- }
-}
-/*
- * Flush annotations defined prior to a given positions.
- *
- * Note: annotations are stacked in syntactical order
- *
- * Either answer given <position>, or the end position of a comment line
- * immediately following the <position> (same line)
- *
- * e.g.
- * void foo(){
- * } // end of method foo
- */
-
-public int flushAnnotationsDefinedPriorTo(int position) {
-
- return lastFieldEndPosition = super.flushAnnotationsDefinedPriorTo(position);
-}
-public TypeReference getTypeReference(int dim) {
- /* build a Reference on a variable that may be qualified or not
- * This variable is a type reference and dim will be its dimensions
- */
- int length;
- if ((length = identifierLengthStack[identifierLengthPtr--]) == 1) {
- // single variable reference
- if (dim == 0) {
- SingleTypeReference ref =
- new SingleTypeReference(
- identifierStack[identifierPtr],
- identifierPositionStack[identifierPtr--]);
- if (reportReferenceInfo) {
- requestor.acceptTypeReference(ref.token, ref.sourceStart);
- }
- return ref;
- } else {
- ArrayTypeReference ref =
- new ArrayTypeReference(
- identifierStack[identifierPtr],
- dim,
- identifierPositionStack[identifierPtr--]);
- ref.sourceEnd = endPosition;
- if (reportReferenceInfo) {
- requestor.acceptTypeReference(ref.token, ref.sourceStart);
- }
- return ref;
- }
- } else {
- if (length < 0) { //flag for precompiled type reference on base types
- TypeReference ref = TypeReference.baseTypeReference(-length, dim);
- ref.sourceStart = intStack[intPtr--];
- if (dim == 0) {
- ref.sourceEnd = intStack[intPtr--];
- } else {
- intPtr--; // no need to use this position as it is an array
- ref.sourceEnd = endPosition;
- }
- if (reportReferenceInfo){
- requestor.acceptTypeReference(ref.getTypeName(), ref.sourceStart, ref.sourceEnd);
- }
- return ref;
- } else { //Qualified variable reference
- char[][] tokens = new char[length][];
- identifierPtr -= length;
- long[] positions = new long[length];
- System.arraycopy(identifierStack, identifierPtr + 1, tokens, 0, length);
- System.arraycopy(
- identifierPositionStack,
- identifierPtr + 1,
- positions,
- 0,
- length);
- if (dim == 0) {
- QualifiedTypeReference ref = new QualifiedTypeReference(tokens, positions);
- if (reportReferenceInfo) {
- requestor.acceptTypeReference(ref.tokens, ref.sourceStart, ref.sourceEnd);
- }
- return ref;
- } else {
- ArrayQualifiedTypeReference ref =
- new ArrayQualifiedTypeReference(tokens, dim, positions);
- ref.sourceEnd = endPosition;
- if (reportReferenceInfo) {
- requestor.acceptTypeReference(ref.tokens, ref.sourceStart, ref.sourceEnd);
- }
- return ref;
- }
- }
- }
-}
-public NameReference getUnspecifiedReference() {
- /* build a (unspecified) NameReference which may be qualified*/
-
- int length;
- if ((length = identifierLengthStack[identifierLengthPtr--]) == 1) {
- // single variable reference
- SingleNameReference ref =
- new SingleNameReference(
- identifierStack[identifierPtr],
- identifierPositionStack[identifierPtr--]);
- if (reportReferenceInfo) {
- this.addUnknownRef(ref);
- }
- return ref;
- } else {
- //Qualified variable reference
- char[][] tokens = new char[length][];
- identifierPtr -= length;
- System.arraycopy(identifierStack, identifierPtr + 1, tokens, 0, length);
- QualifiedNameReference ref =
- new QualifiedNameReference(
- tokens,
- (int) (identifierPositionStack[identifierPtr + 1] >> 32), // sourceStart
- (int) identifierPositionStack[identifierPtr + length]); // sourceEnd
- if (reportReferenceInfo) {
- this.addUnknownRef(ref);
- }
- return ref;
- }
-}
-public NameReference getUnspecifiedReferenceOptimized() {
- /* build a (unspecified) NameReference which may be qualified
- The optimization occurs for qualified reference while we are
- certain in this case the last item of the qualified name is
- a field access. This optimization is IMPORTANT while it results
- that when a NameReference is build, the type checker should always
- look for that it is not a type reference */
-
- int length;
- if ((length = identifierLengthStack[identifierLengthPtr--]) == 1) {
- // single variable reference
- SingleNameReference ref =
- new SingleNameReference(
- identifierStack[identifierPtr],
- identifierPositionStack[identifierPtr--]);
- ref.bits &= ~AstNode.RestrictiveFlagMASK;
- ref.bits |= LOCAL | FIELD;
- if (reportReferenceInfo) {
- this.addUnknownRef(ref);
- }
- return ref;
- }
-
- //Qualified-variable-reference
- //In fact it is variable-reference DOT field-ref , but it would result in a type
- //conflict tha can be only reduce by making a superclass (or inetrface ) between
- //nameReference and FiledReference or putting FieldReference under NameReference
- //or else..........This optimisation is not really relevant so just leave as it is
-
- char[][] tokens = new char[length][];
- identifierPtr -= length;
- System.arraycopy(identifierStack, identifierPtr + 1, tokens, 0, length);
- QualifiedNameReference ref =
- new QualifiedNameReference(
- tokens,
- (int) (identifierPositionStack[identifierPtr + 1] >> 32),
- // sourceStart
- (int) identifierPositionStack[identifierPtr + length]); // sourceEnd
- ref.bits &= ~AstNode.RestrictiveFlagMASK;
- ref.bits |= LOCAL | FIELD;
- if (reportReferenceInfo) {
- this.addUnknownRef(ref);
- }
- return ref;
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-private boolean isLocalDeclaration() {
- int nestedDepth = nestedType;
- while (nestedDepth >= 0) {
- if (nestedMethod[nestedDepth] != 0) {
- return true;
- }
- nestedDepth--;
- }
- return false;
-}
-/*
- * Update the bodyStart of the corresponding parse node
- */
-public void notifySourceElementRequestor(CompilationUnitDeclaration parsedUnit) {
- if (parsedUnit == null) {
- // when we parse a single type member declaration the compilation unit is null, but we still
- // want to be able to notify the requestor on the created ast node
- if (astStack[0] instanceof AbstractMethodDeclaration) {
- notifySourceElementRequestor((AbstractMethodDeclaration) astStack[0]);
- return;
- }
- return;
- }
- // range check
- boolean isInRange =
- scanner.initialPosition <= parsedUnit.sourceStart
- && scanner.eofPosition >= parsedUnit.sourceEnd;
-
- if (reportReferenceInfo) {
- notifyAllUnknownReferences();
- }
- // collect the top level ast nodes
- int length = 0;
- AstNode[] nodes = null;
- if (sourceType == null){
- if (isInRange) {
- requestor.enterCompilationUnit();
- }
- ImportReference currentPackage = parsedUnit.currentPackage;
- ImportReference[] imports = parsedUnit.imports;
- TypeDeclaration[] types = parsedUnit.types;
- length =
- (currentPackage == null ? 0 : 1)
- + (imports == null ? 0 : imports.length)
- + (types == null ? 0 : types.length);
- nodes = new AstNode[length];
- int index = 0;
- if (currentPackage != null) {
- nodes[index++] = currentPackage;
- }
- if (imports != null) {
- for (int i = 0, max = imports.length; i < max; i++) {
- nodes[index++] = imports[i];
- }
- }
- if (types != null) {
- for (int i = 0, max = types.length; i < max; i++) {
- nodes[index++] = types[i];
- }
- }
- } else {
- TypeDeclaration[] types = parsedUnit.types;
- if (types != null) {
- length = types.length;
- nodes = new AstNode[length];
- for (int i = 0, max = types.length; i < max; i++) {
- nodes[i] = types[i];
- }
- }
- }
-
- // notify the nodes in the syntactical order
- if (nodes != null && length > 0) {
- quickSort(nodes, 0, length-1);
- for (int i=0;i<length;i++) {
- AstNode node = nodes[i];
- if (node instanceof ImportReference) {
- ImportReference importRef = (ImportReference)node;
- if (node == parsedUnit.currentPackage) {
- notifySourceElementRequestor(importRef, true);
- } else {
- notifySourceElementRequestor(importRef, false);
- }
- } else { // instanceof TypeDeclaration
- notifySourceElementRequestor((TypeDeclaration)node, sourceType == null);
- }
- }
- }
-
- if (sourceType == null){
- if (isInRange) {
- requestor.exitCompilationUnit(parsedUnit.sourceEnd);
- }
- }
-}
-
-private void notifyAllUnknownReferences() {
- for (int i = 0, max = this.unknownRefsCounter; i < max; i++) {
- NameReference nameRef = this.unknownRefs[i];
- if ((nameRef.bits & BindingIds.VARIABLE) != 0) {
- if ((nameRef.bits & BindingIds.TYPE) == 0) {
- // variable but not type
- if (nameRef instanceof SingleNameReference) {
- // local var or field
- requestor.acceptUnknownReference(((SingleNameReference) nameRef).token, nameRef.sourceStart);
- } else {
- // QualifiedNameReference
- // The last token is a field reference and the previous tokens are a type/variable references
- char[][] tokens = ((QualifiedNameReference) nameRef).tokens;
- int tokensLength = tokens.length;
- requestor.acceptFieldReference(tokens[tokensLength - 1], nameRef.sourceEnd - tokens[tokensLength - 1].length + 1);
- char[][] typeRef = new char[tokensLength - 1][];
- System.arraycopy(tokens, 0, typeRef, 0, tokensLength - 1);
- requestor.acceptUnknownReference(typeRef, nameRef.sourceStart, nameRef.sourceEnd - tokens[tokensLength - 1].length);
- }
- } else {
- // variable or type
- if (nameRef instanceof SingleNameReference) {
- requestor.acceptUnknownReference(((SingleNameReference) nameRef).token, nameRef.sourceStart);
- } else {
- //QualifiedNameReference
- requestor.acceptUnknownReference(((QualifiedNameReference) nameRef).tokens, nameRef.sourceStart, nameRef.sourceEnd);
- }
- }
- } else if ((nameRef.bits & BindingIds.TYPE) != 0) {
- if (nameRef instanceof SingleNameReference) {
- requestor.acceptTypeReference(((SingleNameReference) nameRef).token, nameRef.sourceStart);
- } else {
- // it is a QualifiedNameReference
- requestor.acceptTypeReference(((QualifiedNameReference) nameRef).tokens, nameRef.sourceStart, nameRef.sourceEnd);
- }
- }
- }
-}
-/*
- * Update the bodyStart of the corresponding parse node
- */
-public void notifySourceElementRequestor(AbstractMethodDeclaration methodDeclaration) {
-
- // range check
- boolean isInRange =
- scanner.initialPosition <= methodDeclaration.declarationSourceStart
- && scanner.eofPosition >= methodDeclaration.declarationSourceEnd;
-
- if (methodDeclaration.isClinit()) {
- this.visitIfNeeded(methodDeclaration);
- return;
- }
-
- if (methodDeclaration.isDefaultConstructor()) {
- if (reportReferenceInfo) {
- ConstructorDeclaration constructorDeclaration = (ConstructorDeclaration) methodDeclaration;
- ExplicitConstructorCall constructorCall = constructorDeclaration.constructorCall;
- if (constructorCall != null) {
- switch(constructorCall.accessMode) {
- case ExplicitConstructorCall.This :
- requestor.acceptConstructorReference(
- typeNames[nestedTypeIndex-1],
- constructorCall.arguments == null ? 0 : constructorCall.arguments.length,
- constructorCall.sourceStart);
- break;
- case ExplicitConstructorCall.Super :
- case ExplicitConstructorCall.ImplicitSuper :
- requestor.acceptConstructorReference(
- superTypeNames[nestedTypeIndex-1],
- constructorCall.arguments == null ? 0 : constructorCall.arguments.length,
- constructorCall.sourceStart);
- break;
- }
- }
- }
- return;
- }
- char[][] argumentTypes = null;
- char[][] argumentNames = null;
- Argument[] arguments = methodDeclaration.arguments;
- if (arguments != null) {
- int argumentLength = arguments.length;
- argumentTypes = new char[argumentLength][];
- argumentNames = new char[argumentLength][];
- for (int i = 0; i < argumentLength; i++) {
- argumentTypes[i] = returnTypeName(arguments[i].type);
- argumentNames[i] = arguments[i].name;
- }
- }
- char[][] thrownExceptionTypes = null;
- TypeReference[] thrownExceptions = methodDeclaration.thrownExceptions;
- if (thrownExceptions != null) {
- int thrownExceptionLength = thrownExceptions.length;
- thrownExceptionTypes = new char[thrownExceptionLength][];
- for (int i = 0; i < thrownExceptionLength; i++) {
- thrownExceptionTypes[i] =
- CharOperation.concatWith(thrownExceptions[i].getTypeName(), '.');
- }
- }
- // by default no selector end position
- int selectorSourceEnd = -1;
- if (methodDeclaration.isConstructor()) {
- if (methodDeclaration instanceof SourceConstructorDeclaration) {
- selectorSourceEnd =
- ((SourceConstructorDeclaration) methodDeclaration).selectorSourceEnd;
- }
- if (isInRange){
- requestor.enterConstructor(
- methodDeclaration.declarationSourceStart,
- methodDeclaration.modifiers,
- methodDeclaration.selector,
- methodDeclaration.sourceStart,
- selectorSourceEnd,
- argumentTypes,
- argumentNames,
- thrownExceptionTypes);
- }
- if (reportReferenceInfo) {
- ConstructorDeclaration constructorDeclaration = (ConstructorDeclaration) methodDeclaration;
- ExplicitConstructorCall constructorCall = constructorDeclaration.constructorCall;
- if (constructorCall != null) {
- switch(constructorCall.accessMode) {
- case ExplicitConstructorCall.This :
- requestor.acceptConstructorReference(
- typeNames[nestedTypeIndex-1],
- constructorCall.arguments == null ? 0 : constructorCall.arguments.length,
- constructorCall.sourceStart);
- break;
- case ExplicitConstructorCall.Super :
- case ExplicitConstructorCall.ImplicitSuper :
- requestor.acceptConstructorReference(
- superTypeNames[nestedTypeIndex-1],
- constructorCall.arguments == null ? 0 : constructorCall.arguments.length,
- constructorCall.sourceStart);
- break;
- }
- }
- }
- this.visitIfNeeded(methodDeclaration);
- if (isInRange){
- requestor.exitConstructor(methodDeclaration.declarationSourceEnd);
- }
- return;
- }
- if (methodDeclaration instanceof SourceMethodDeclaration) {
- selectorSourceEnd =
- ((SourceMethodDeclaration) methodDeclaration).selectorSourceEnd;
- }
- if (isInRange){
- requestor.enterMethod(
- methodDeclaration.declarationSourceStart,
- methodDeclaration.modifiers & AccJustFlag,
- returnTypeName(((MethodDeclaration) methodDeclaration).returnType),
- methodDeclaration.selector,
- methodDeclaration.sourceStart,
- selectorSourceEnd,
- argumentTypes,
- argumentNames,
- thrownExceptionTypes);
- }
- this.visitIfNeeded(methodDeclaration);
-
- if (isInRange){
- requestor.exitMethod(methodDeclaration.declarationSourceEnd);
- }
-}
-/*
-* Update the bodyStart of the corresponding parse node
-*/
-public void notifySourceElementRequestor(FieldDeclaration fieldDeclaration) {
-
- // range check
- boolean isInRange =
- scanner.initialPosition <= fieldDeclaration.declarationSourceStart
- && scanner.eofPosition >= fieldDeclaration.declarationSourceEnd;
-
- if (fieldDeclaration.isField()) {
- int fieldEndPosition = fieldDeclaration.declarationSourceEnd;
- if (fieldDeclaration instanceof SourceFieldDeclaration) {
- fieldEndPosition = ((SourceFieldDeclaration) fieldDeclaration).fieldEndPosition;
- if (fieldEndPosition == 0) {
- // use the declaration source end by default
- fieldEndPosition = fieldDeclaration.declarationSourceEnd;
- }
- }
- if (isInRange) {
- requestor.enterField(
- fieldDeclaration.declarationSourceStart,
- fieldDeclaration.modifiers & AccJustFlag,
- returnTypeName(fieldDeclaration.type),
- fieldDeclaration.name,
- fieldDeclaration.sourceStart,
- fieldDeclaration.sourceEnd);
- }
- this.visitIfNeeded(fieldDeclaration);
- if (isInRange){
- requestor.exitField(fieldEndPosition);
- }
-
- } else {
- if (isInRange){
- requestor.enterInitializer(
- fieldDeclaration.declarationSourceStart,
- fieldDeclaration.modifiers);
- }
- this.visitIfNeeded((Initializer)fieldDeclaration);
- if (isInRange){
- requestor.exitInitializer(fieldDeclaration.declarationSourceEnd);
- }
- }
-}
-public void notifySourceElementRequestor(
- ImportReference importReference,
- boolean isPackage) {
- if (isPackage) {
- requestor.acceptPackage(
- importReference.declarationSourceStart,
- importReference.declarationSourceEnd,
- CharOperation.concatWith(importReference.getImportName(), '.'));
- } else {
- requestor.acceptImport(
- importReference.declarationSourceStart,
- importReference.declarationSourceEnd,
- CharOperation.concatWith(importReference.getImportName(), '.'),
- importReference.onDemand);
- }
-}
-public void notifySourceElementRequestor(TypeDeclaration typeDeclaration, boolean notifyTypePresence) {
-
- // range check
- boolean isInRange =
- scanner.initialPosition <= typeDeclaration.declarationSourceStart
- && scanner.eofPosition >= typeDeclaration.declarationSourceEnd;
-
- FieldDeclaration[] fields = typeDeclaration.fields;
- AbstractMethodDeclaration[] methods = typeDeclaration.methods;
- MemberTypeDeclaration[] memberTypes = typeDeclaration.memberTypes;
- int fieldCount = fields == null ? 0 : fields.length;
- int methodCount = methods == null ? 0 : methods.length;
- int memberTypeCount = memberTypes == null ? 0 : memberTypes.length;
- int fieldIndex = 0;
- int methodIndex = 0;
- int memberTypeIndex = 0;
- boolean isInterface = typeDeclaration.isInterface();
-
- if (notifyTypePresence){
- char[][] interfaceNames = null;
- int superInterfacesLength = 0;
- TypeReference[] superInterfaces = typeDeclaration.superInterfaces;
- if (superInterfaces != null) {
- superInterfacesLength = superInterfaces.length;
- interfaceNames = new char[superInterfacesLength][];
- } else {
- if (typeDeclaration instanceof AnonymousLocalTypeDeclaration) {
- // see PR 3442
- QualifiedAllocationExpression alloc = ((AnonymousLocalTypeDeclaration)typeDeclaration).allocation;
- if (alloc != null && alloc.type != null) {
- superInterfaces = new TypeReference[] { ((AnonymousLocalTypeDeclaration)typeDeclaration).allocation.type};
- superInterfacesLength = 1;
- interfaceNames = new char[1][];
- }
- }
- }
- if (superInterfaces != null) {
- for (int i = 0; i < superInterfacesLength; i++) {
- interfaceNames[i] =
- CharOperation.concatWith(superInterfaces[i].getTypeName(), '.');
- }
- }
- if (isInterface) {
- if (isInRange){
- requestor.enterInterface(
- typeDeclaration.declarationSourceStart,
- typeDeclaration.modifiers & AccJustFlag,
- typeDeclaration.name,
- typeDeclaration.sourceStart,
- typeDeclaration.sourceEnd,
- interfaceNames);
- }
- if (nestedTypeIndex == typeNames.length) {
- // need a resize
- System.arraycopy(typeNames, 0, (typeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
- System.arraycopy(superTypeNames, 0, (superTypeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
- }
- typeNames[nestedTypeIndex] = typeDeclaration.name;
- superTypeNames[nestedTypeIndex++] = JAVA_LANG_OBJECT;
- } else {
- TypeReference superclass = typeDeclaration.superclass;
- if (superclass == null) {
- if (isInRange){
- requestor.enterClass(
- typeDeclaration.declarationSourceStart,
- typeDeclaration.modifiers,
- typeDeclaration.name,
- typeDeclaration.sourceStart,
- typeDeclaration.sourceEnd,
- null,
- interfaceNames);
- }
- } else {
- if (isInRange){
- requestor.enterClass(
- typeDeclaration.declarationSourceStart,
- typeDeclaration.modifiers,
- typeDeclaration.name,
- typeDeclaration.sourceStart,
- typeDeclaration.sourceEnd,
- CharOperation.concatWith(superclass.getTypeName(), '.'),
- interfaceNames);
- }
- }
- if (nestedTypeIndex == typeNames.length) {
- // need a resize
- System.arraycopy(typeNames, 0, (typeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
- System.arraycopy(superTypeNames, 0, (superTypeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
- }
- typeNames[nestedTypeIndex] = typeDeclaration.name;
- superTypeNames[nestedTypeIndex++] = superclass == null ? JAVA_LANG_OBJECT : CharOperation.concatWith(superclass.getTypeName(), '.');
- }
- }
- while ((fieldIndex < fieldCount)
- || (memberTypeIndex < memberTypeCount)
- || (methodIndex < methodCount)) {
- FieldDeclaration nextFieldDeclaration = null;
- AbstractMethodDeclaration nextMethodDeclaration = null;
- TypeDeclaration nextMemberDeclaration = null;
-
- int position = Integer.MAX_VALUE;
- int nextDeclarationType = -1;
- if (fieldIndex < fieldCount) {
- nextFieldDeclaration = fields[fieldIndex];
- if (nextFieldDeclaration.declarationSourceStart < position) {
- position = nextFieldDeclaration.declarationSourceStart;
- nextDeclarationType = 0; // FIELD
- }
- }
- if (methodIndex < methodCount) {
- nextMethodDeclaration = methods[methodIndex];
- if (nextMethodDeclaration.declarationSourceStart < position) {
- position = nextMethodDeclaration.declarationSourceStart;
- nextDeclarationType = 1; // METHOD
- }
- }
- if (memberTypeIndex < memberTypeCount) {
- nextMemberDeclaration = memberTypes[memberTypeIndex];
- if (nextMemberDeclaration.declarationSourceStart < position) {
- position = nextMemberDeclaration.declarationSourceStart;
- nextDeclarationType = 2; // MEMBER
- }
- }
- switch (nextDeclarationType) {
- case 0 :
- fieldIndex++;
- notifySourceElementRequestor(nextFieldDeclaration);
- break;
- case 1 :
- methodIndex++;
- notifySourceElementRequestor(nextMethodDeclaration);
- break;
- case 2 :
- memberTypeIndex++;
- notifySourceElementRequestor(nextMemberDeclaration, true);
- }
- }
- if (notifyTypePresence){
- if (isInRange){
- if (isInterface) {
- requestor.exitInterface(typeDeclaration.declarationSourceEnd);
- } else {
- requestor.exitClass(typeDeclaration.declarationSourceEnd);
- }
- }
- nestedTypeIndex--;
- }
-}
-public void parseCompilationUnit(
- ICompilationUnit unit,
- int start,
- int end,
- boolean needReferenceInfo) {
-
- reportReferenceInfo = needReferenceInfo;
- boolean old = diet;
- if (needReferenceInfo) {
- unknownRefs = new NameReference[10];
- unknownRefsCounter = 0;
- }
- try {
- diet = true;
- CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0, this.options.maxProblemsPerUnit);
- CompilationUnitDeclaration parsedUnit = parse(unit, compilationUnitResult, start, end);
- if (needReferenceInfo){
- diet = false;
- this.getMethodBodies(parsedUnit);
- }
- this.scanner.resetTo(start, end);
- notifySourceElementRequestor(parsedUnit);
- } catch (AbortCompilation e) {
- } finally {
- if (scanner.recordLineSeparator) {
- requestor.acceptLineSeparatorPositions(scanner.getLineEnds());
- }
- diet = old;
- }
-}
-public void parseCompilationUnit(
- ICompilationUnit unit,
- boolean needReferenceInfo) {
- boolean old = diet;
- if (needReferenceInfo) {
- unknownRefs = new NameReference[10];
- unknownRefsCounter = 0;
- }
-
- try {
-/* diet = !needReferenceInfo;
- reportReferenceInfo = needReferenceInfo;
- CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0);
- parse(unit, compilationUnitResult);
-*/ diet = true;
- reportReferenceInfo = needReferenceInfo;
- CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0, this.options.maxProblemsPerUnit);
- CompilationUnitDeclaration parsedUnit = parse(unit, compilationUnitResult);
- int initialStart = this.scanner.initialPosition;
- int initialEnd = this.scanner.eofPosition;
- if (needReferenceInfo){
- diet = false;
- this.getMethodBodies(parsedUnit);
- }
- this.scanner.resetTo(initialStart, initialEnd);
- notifySourceElementRequestor(parsedUnit);
- } catch (AbortCompilation e) {
- } finally {
- if (scanner.recordLineSeparator) {
- requestor.acceptLineSeparatorPositions(scanner.getLineEnds());
- }
- diet = old;
- }
-}
-public void parseTypeMemberDeclarations(
- ISourceType sourceType,
- ICompilationUnit sourceUnit,
- int start,
- int end,
- boolean needReferenceInfo) {
- boolean old = diet;
- if (needReferenceInfo) {
- unknownRefs = new NameReference[10];
- unknownRefsCounter = 0;
- }
-
- try {
- diet = !needReferenceInfo;
- reportReferenceInfo = needReferenceInfo;
- CompilationResult compilationUnitResult =
- new CompilationResult(sourceUnit, 0, 0, this.options.maxProblemsPerUnit);
- CompilationUnitDeclaration unit =
- SourceTypeConverter.buildCompilationUnit(
- new ISourceType[]{sourceType},
- false,
- false,
- problemReporter(),
- compilationUnitResult);
- if ((unit == null) || (unit.types == null) || (unit.types.length != 1))
- return;
- this.sourceType = sourceType;
- try {
- /* automaton initialization */
- initialize();
- goForClassBodyDeclarations();
- /* scanner initialization */
- scanner.setSource(sourceUnit.getContents());
- scanner.resetTo(start, end);
- /* unit creation */
- referenceContext = compilationUnit = unit;
- /* initialize the astStacl */
- // the compilationUnitDeclaration should contain exactly one type
- pushOnAstStack(unit.types[0]);
- /* run automaton */
- parse();
- notifySourceElementRequestor(unit);
- } finally {
- unit = compilationUnit;
- compilationUnit = null; // reset parser
- }
- } catch (AbortCompilation e) {
- } finally {
- if (scanner.recordLineSeparator) {
- requestor.acceptLineSeparatorPositions(scanner.getLineEnds());
- }
- diet = old;
- }
-}
-
-public void parseTypeMemberDeclarations(
- char[] contents,
- int start,
- int end) {
-
- boolean old = diet;
-
- try {
- diet = true;
-
- /* automaton initialization */
- initialize();
- goForClassBodyDeclarations();
- /* scanner initialization */
- scanner.setSource(contents);
- scanner.recordLineSeparator = false;
- scanner.resetTo(start, end);
-
- /* unit creation */
- referenceContext = null;
-
- /* initialize the astStacl */
- // the compilationUnitDeclaration should contain exactly one type
- /* run automaton */
- parse();
- notifySourceElementRequestor((CompilationUnitDeclaration)null);
- } catch (AbortCompilation e) {
- } finally {
- diet = old;
- }
-}
-/**
- * Sort the given ast nodes by their positions.
- */
-private static void quickSort(AstNode[] sortedCollection, int left, int right) {
- int original_left = left;
- int original_right = right;
- AstNode mid = sortedCollection[ (left + right) / 2];
- do {
- while (sortedCollection[left].sourceStart < mid.sourceStart) {
- left++;
- }
- while (mid.sourceStart < sortedCollection[right].sourceStart) {
- right--;
- }
- if (left <= right) {
- AstNode tmp = sortedCollection[left];
- sortedCollection[left] = sortedCollection[right];
- sortedCollection[right] = tmp;
- left++;
- right--;
- }
- } while (left <= right);
- if (original_left < right) {
- quickSort(sortedCollection, original_left, right);
- }
- if (left < original_right) {
- quickSort(sortedCollection, left, original_right);
- }
-}
-/*
- * Answer a char array representation of the type name formatted like:
- * - type name + dimensions
- * Example:
- * "A[][]".toCharArray()
- * "java.lang.String".toCharArray()
- */
-private char[] returnTypeName(TypeReference type) {
- if (type == null)
- return null;
- int dimension = type.dimensions();
- if (dimension != 0) {
- char[] dimensionsArray = new char[dimension * 2];
- for (int i = 0; i < dimension; i++) {
- dimensionsArray[i * 2] = '[';
- dimensionsArray[(i * 2) + 1] = ']';
- }
- return CharOperation.concat(
- CharOperation.concatWith(type.getTypeName(), '.'),
- dimensionsArray);
- }
- return CharOperation.concatWith(type.getTypeName(), '.');
-}
-
-public void addUnknownRef(NameReference nameRef) {
- if (this.unknownRefs.length == this.unknownRefsCounter) {
- // resize
- System.arraycopy(
- this.unknownRefs,
- 0,
- (this.unknownRefs = new NameReference[this.unknownRefsCounter * 2]),
- 0,
- this.unknownRefsCounter);
- }
- this.unknownRefs[this.unknownRefsCounter++] = nameRef;
-}
-private TypeReference typeReference(
- int dim,
- int localIdentifierPtr,
- int localIdentifierLengthPtr) {
- /* build a Reference on a variable that may be qualified or not
- * This variable is a type reference and dim will be its dimensions.
- * We don't have any side effect on the stacks' pointers.
- */
-
- int length;
- TypeReference ref;
- if ((length = identifierLengthStack[localIdentifierLengthPtr]) == 1) {
- // single variable reference
- if (dim == 0) {
- ref =
- new SingleTypeReference(
- identifierStack[localIdentifierPtr],
- identifierPositionStack[localIdentifierPtr--]);
- } else {
- ref =
- new ArrayTypeReference(
- identifierStack[localIdentifierPtr],
- dim,
- identifierPositionStack[localIdentifierPtr--]);
- ref.sourceEnd = endPosition;
- }
- } else {
- if (length < 0) { //flag for precompiled type reference on base types
- ref = TypeReference.baseTypeReference(-length, dim);
- ref.sourceStart = intStack[localIntPtr--];
- if (dim == 0) {
- ref.sourceEnd = intStack[localIntPtr--];
- } else {
- localIntPtr--;
- ref.sourceEnd = endPosition;
- }
- } else { //Qualified variable reference
- char[][] tokens = new char[length][];
- localIdentifierPtr -= length;
- long[] positions = new long[length];
- System.arraycopy(identifierStack, localIdentifierPtr + 1, tokens, 0, length);
- System.arraycopy(
- identifierPositionStack,
- localIdentifierPtr + 1,
- positions,
- 0,
- length);
- if (dim == 0) {
- ref = new QualifiedTypeReference(tokens, positions);
- } else {
- ref = new ArrayQualifiedTypeReference(tokens, dim, positions);
- ref.sourceEnd = endPosition;
- }
- }
- };
- return ref;
-}
-
-private void visitIfNeeded(AbstractMethodDeclaration method) {
- if (this.localDeclarationVisitor != null
- && (method.bits & AstNode.HasLocalTypeMASK) != 0) {
- if (method.statements != null) {
- int statementsLength = method.statements.length;
- for (int i = 0; i < statementsLength; i++)
- method.statements[i].traverse(this.localDeclarationVisitor, method.scope);
- }
- }
-}
-
-private void visitIfNeeded(FieldDeclaration field) {
- if (this.localDeclarationVisitor != null
- && (field.bits & AstNode.HasLocalTypeMASK) != 0) {
- if (field.initialization != null) {
- field.initialization.traverse(this.localDeclarationVisitor, null);
- }
- }
-}
-
-private void visitIfNeeded(Initializer initializer) {
- if (this.localDeclarationVisitor != null
- && (initializer.bits & AstNode.HasLocalTypeMASK) != 0) {
- if (initializer.block != null) {
- initializer.block.traverse(this.localDeclarationVisitor, null);
- }
- }
-}
-
-protected void reportSyntaxError(int act, int currentKind, int stateStackTop) {
- if (compilationUnit == null) return;
- super.reportSyntaxError(act, currentKind,stateStackTop);
-}
-
-}