+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jdt.internal.compiler.ast;
-
-import org.eclipse.jdt.core.compiler.*;
-import org.eclipse.jdt.internal.compiler.*;
-import org.eclipse.jdt.internal.compiler.impl.*;
-import org.eclipse.jdt.internal.compiler.lookup.*;
-import org.eclipse.jdt.internal.compiler.problem.*;
-
-public class CompilationUnitDeclaration
- extends ASTNode
- implements ProblemSeverities, ReferenceContext {
-
- public ImportReference currentPackage;
- public ImportReference[] imports;
- public TypeDeclaration[] types;
- public int[][] comments;
-
- public boolean ignoreFurtherInvestigation = false; // once pointless to investigate due to errors
- public boolean ignoreMethodBodies = false;
- public CompilationUnitScope scope;
- public ProblemReporter problemReporter;
- public CompilationResult compilationResult;
-
- public LocalTypeBinding[] localTypes;
- public int localTypeCount = 0;
-
- public boolean isPropagatingInnerClassEmulation;
-
- public CompilationUnitDeclaration(
- ProblemReporter problemReporter,
- CompilationResult compilationResult,
- int sourceLength) {
-
- this.problemReporter = problemReporter;
- this.compilationResult = compilationResult;
-
- //by definition of a compilation unit....
- sourceStart = 0;
- sourceEnd = sourceLength - 1;
-
- }
-
- /*
- * We cause the compilation task to abort to a given extent.
- */
- public void abort(int abortLevel, IProblem problem) {
-
- switch (abortLevel) {
- case AbortType :
- throw new AbortType(this.compilationResult, problem);
- case AbortMethod :
- throw new AbortMethod(this.compilationResult, problem);
- default :
- throw new AbortCompilationUnit(this.compilationResult, problem);
- }
- }
-
- /*
- * Dispatch code analysis AND request saturation of inner emulation
- */
- public void analyseCode() {
-
- if (ignoreFurtherInvestigation)
- return;
- try {
- if (types != null) {
- for (int i = 0, count = types.length; i < count; i++) {
- types[i].analyseCode(scope);
- }
- }
- // request inner emulation propagation
- propagateInnerEmulationForAllLocalTypes();
- } catch (AbortCompilationUnit e) {
- this.ignoreFurtherInvestigation = true;
- return;
- }
- }
-
- /*
- * When unit result is about to be accepted, removed back pointers
- * to compiler structures.
- */
- public void cleanUp() {
- if (this.types != null) {
- for (int i = 0, max = this.types.length; i < max; i++) {
- cleanUp(this.types[i]);
- }
- for (int i = 0, max = this.localTypeCount; i < max; i++) {
- LocalTypeBinding localType = localTypes[i];
- // null out the type's scope backpointers
- localType.scope = null; // local members are already in the list
- }
- }
- ClassFile[] classFiles = compilationResult.getClassFiles();
- for (int i = 0, max = classFiles.length; i < max; i++) {
- // clear the classFile back pointer to the bindings
- ClassFile classFile = classFiles[i];
- // null out the classfile backpointer to a type binding
- classFile.referenceBinding = null;
- classFile.codeStream = null; // codeStream holds onto ast and scopes
- classFile.innerClassesBindings = null;
- }
- }
- private void cleanUp(TypeDeclaration type) {
- if (type.memberTypes != null) {
- for (int i = 0, max = type.memberTypes.length; i < max; i++){
- cleanUp(type.memberTypes[i]);
- }
- }
- if (type.binding != null) {
- // null out the type's scope backpointers
- type.binding.scope = null;
- }
- }
-
- public void checkUnusedImports(){
-
- if (this.scope.imports != null){
- for (int i = 0, max = this.scope.imports.length; i < max; i++){
- ImportBinding importBinding = this.scope.imports[i];
- ImportReference importReference = importBinding.reference;
- if (importReference != null && !importReference.used){
- scope.problemReporter().unusedImport(importReference);
- }
- }
- }
- }
-
- public CompilationResult compilationResult() {
- return compilationResult;
- }
-
- /*
- * Finds the matching type amoung this compilation unit types.
- * Returns null if no type with this name is found.
- * The type name is a compound name
- * eg. if we're looking for X.A.B then a type name would be {X, A, B}
- */
- public TypeDeclaration declarationOfType(char[][] typeName) {
-
- for (int i = 0; i < this.types.length; i++) {
- TypeDeclaration typeDecl = this.types[i].declarationOfType(typeName);
- if (typeDecl != null) {
- return typeDecl;
- }
- }
- return null;
- }
-
- /**
- * Bytecode generation
- */
- public void generateCode() {
-
- if (ignoreFurtherInvestigation) {
- if (types != null) {
- for (int i = 0, count = types.length; i < count; i++) {
- types[i].ignoreFurtherInvestigation = true;
- // propagate the flag to request problem type creation
- types[i].generateCode(scope);
- }
- }
- return;
- }
- try {
- if (types != null) {
- for (int i = 0, count = types.length; i < count; i++)
- types[i].generateCode(scope);
- }
- } catch (AbortCompilationUnit e) {
- // ignore
- }
- }
-
- public char[] getFileName() {
-
- return compilationResult.getFileName();
- }
-
- public char[] getMainTypeName() {
-
- if (compilationResult.compilationUnit == null) {
- char[] fileName = compilationResult.getFileName();
-
- int start = CharOperation.lastIndexOf('/', fileName) + 1;
- if (start == 0 || start < CharOperation.lastIndexOf('\\', fileName))
- start = CharOperation.lastIndexOf('\\', fileName) + 1;
-
- int end = CharOperation.lastIndexOf('.', fileName);
- if (end == -1)
- end = fileName.length;
-
- return CharOperation.subarray(fileName, start, end);
- } else {
- return compilationResult.compilationUnit.getMainTypeName();
- }
- }
-
- public boolean isEmpty() {
-
- return (currentPackage == null) && (imports == null) && (types == null);
- }
-
- public boolean hasErrors() {
- return this.ignoreFurtherInvestigation;
- }
-
- public StringBuffer print(int indent, StringBuffer output) {
-
- if (currentPackage != null) {
- printIndent(indent, output).append("package "); //$NON-NLS-1$
- currentPackage.print(0, output, false).append(";\n"); //$NON-NLS-1$
- }
- if (imports != null)
- for (int i = 0; i < imports.length; i++) {
- printIndent(indent, output).append("import "); //$NON-NLS-1$
- imports[i].print(0, output).append(";\n"); //$NON-NLS-1$
- }
-
- if (types != null) {
- for (int i = 0; i < types.length; i++) {
- types[i].print(indent, output).append("\n"); //$NON-NLS-1$
- }
- }
- return output;
- }
-
- /*
- * Force inner local types to update their innerclass emulation
- */
- public void propagateInnerEmulationForAllLocalTypes() {
-
- isPropagatingInnerClassEmulation = true;
- for (int i = 0, max = this.localTypeCount; i < max; i++) {
-
- LocalTypeBinding localType = localTypes[i];
- // only propagate for reachable local types
- if ((localType.scope.referenceType().bits & IsReachableMASK) != 0) {
- localType.updateInnerEmulationDependents();
- }
- }
- }
-
- /*
- * Keep track of all local types, so as to update their innerclass
- * emulation later on.
- */
- public void record(LocalTypeBinding localType) {
-
- if (this.localTypeCount == 0) {
- this.localTypes = new LocalTypeBinding[5];
- } else if (this.localTypeCount == this.localTypes.length) {
- System.arraycopy(this.localTypes, 0, (this.localTypes = new LocalTypeBinding[this.localTypeCount * 2]), 0, this.localTypeCount);
- }
- this.localTypes[this.localTypeCount++] = localType;
- }
-
- public void resolve() {
-
- try {
- if (types != null) {
- for (int i = 0, count = types.length; i < count; i++) {
- types[i].resolve(scope);
- }
- }
- if (!this.compilationResult.hasSyntaxError()) checkUnusedImports();
- } catch (AbortCompilationUnit e) {
- this.ignoreFurtherInvestigation = true;
- return;
- }
- }
-
- public void tagAsHavingErrors() {
- ignoreFurtherInvestigation = true;
- }
-
- public void traverse(
- ASTVisitor visitor,
- CompilationUnitScope unitScope) {
-
- if (ignoreFurtherInvestigation)
- return;
- try {
- if (visitor.visit(this, this.scope)) {
- if (currentPackage != null) {
- currentPackage.traverse(visitor, this.scope);
- }
- if (imports != null) {
- int importLength = imports.length;
- for (int i = 0; i < importLength; i++) {
- imports[i].traverse(visitor, this.scope);
- }
- }
- if (types != null) {
- int typesLength = types.length;
- for (int i = 0; i < typesLength; i++) {
- types[i].traverse(visitor, this.scope);
- }
- }
- }
- visitor.endVisit(this, this.scope);
- } catch (AbortCompilationUnit e) {
- // ignore
- }
- }
-}
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