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/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-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.flow.FlowInfo;
import org.eclipse.jdt.internal.compiler.flow.InitializationFlowContext;
import org.eclipse.jdt.internal.compiler.impl.*;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.jdt.internal.compiler.codegen.*;
import org.eclipse.jdt.internal.compiler.lookup.*;
import org.eclipse.jdt.internal.compiler.problem.*;
import org.eclipse.jdt.internal.compiler.parser.*;
import org.eclipse.jdt.internal.compiler.util.Util;
public abstract class AbstractMethodDeclaration
extends ASTNode
implements ProblemSeverities, ReferenceContext {
public MethodScope scope;
//it is not relevent for constructor but it helps to have the name of the constructor here
//which is always the name of the class.....parsing do extra work to fill it up while it do not have to....
public char[] selector;
public int declarationSourceStart;
public int declarationSourceEnd;
public int modifiers;
public int modifiersSourceStart;
public Annotation[] annotations;
public Argument[] arguments;
public TypeReference[] thrownExceptions;
public Statement[] statements;
public int explicitDeclarations;
public MethodBinding binding;
public boolean ignoreFurtherInvestigation = false;
public Javadoc javadoc;
public int bodyStart;
public int bodyEnd = -1;
public CompilationResult compilationResult;
AbstractMethodDeclaration(CompilationResult compilationResult){
this.compilationResult = compilationResult;
}
/*
* We cause the compilation task to abort to a given extent.
*/
public void abort(int abortLevel, CategorizedProblem problem) {
switch (abortLevel) {
case AbortCompilation :
throw new AbortCompilation(this.compilationResult, problem);
case AbortCompilationUnit :
throw new AbortCompilationUnit(this.compilationResult, problem);
case AbortType :
throw new AbortType(this.compilationResult, problem);
default :
throw new AbortMethod(this.compilationResult, problem);
}
}
public abstract void analyseCode(ClassScope classScope, InitializationFlowContext initializationContext, FlowInfo info);
/**
* Bind and add argument's binding into the scope of the method
*/
public void bindArguments() {
if (this.arguments != null) {
// by default arguments in abstract/native methods are considered to be used (no complaint is expected)
if (this.binding == null) {
for (int i = 0, length = this.arguments.length; i < length; i++) {
this.arguments[i].bind(this.scope, null, true);
}
return;
}
boolean used = this.binding.isAbstract() || this.binding.isNative();
AnnotationBinding[][] paramAnnotations = null;
for (int i = 0, length = this.arguments.length; i < length; i++) {
Argument argument = this.arguments[i];
argument.bind(this.scope, this.binding.parameters[i], used);
if (argument.annotations != null) {
if (paramAnnotations == null) {
paramAnnotations = new AnnotationBinding[length][];
for (int j=0; j 0xFF) {
this.scope.problemReporter().noMoreAvailableSpaceForArgument(this.scope.locals[i], this.scope.locals[i].declaration);
}
}
}
public boolean hasErrors() {
return this.ignoreFurtherInvestigation;
}
public boolean isAbstract() {
if (this.binding != null)
return this.binding.isAbstract();
return (this.modifiers & ClassFileConstants.AccAbstract) != 0;
}
public boolean isAnnotationMethod() {
return false;
}
public boolean isClinit() {
return false;
}
public boolean isConstructor() {
return false;
}
public boolean isDefaultConstructor() {
return false;
}
public boolean isInitializationMethod() {
return false;
}
public boolean isMethod() {
return false;
}
public boolean isNative() {
if (this.binding != null)
return this.binding.isNative();
return (this.modifiers & ClassFileConstants.AccNative) != 0;
}
public boolean isStatic() {
if (this.binding != null)
return this.binding.isStatic();
return (this.modifiers & ClassFileConstants.AccStatic) != 0;
}
/**
* Fill up the method body with statement
* @param parser
* @param unit
*/
public abstract void parseStatements(Parser parser, CompilationUnitDeclaration unit);
public StringBuffer print(int tab, StringBuffer output) {
if (this.javadoc != null) {
this.javadoc.print(tab, output);
}
printIndent(tab, output);
printModifiers(this.modifiers, output);
if (this.annotations != null) printAnnotations(this.annotations, output);
TypeParameter[] typeParams = typeParameters();
if (typeParams != null) {
output.append('<');
int max = typeParams.length - 1;
for (int j = 0; j < max; j++) {
typeParams[j].print(0, output);
output.append(", ");//$NON-NLS-1$
}
typeParams[max].print(0, output);
output.append('>');
}
printReturnType(0, output).append(this.selector).append('(');
if (this.arguments != null) {
for (int i = 0; i < this.arguments.length; i++) {
if (i > 0) output.append(", "); //$NON-NLS-1$
this.arguments[i].print(0, output);
}
}
output.append(')');
if (this.thrownExceptions != null) {
output.append(" throws "); //$NON-NLS-1$
for (int i = 0; i < this.thrownExceptions.length; i++) {
if (i > 0) output.append(", "); //$NON-NLS-1$
this.thrownExceptions[i].print(0, output);
}
}
printBody(tab + 1, output);
return output;
}
public StringBuffer printBody(int indent, StringBuffer output) {
if (isAbstract() || (this.modifiers & ExtraCompilerModifiers.AccSemicolonBody) != 0)
return output.append(';');
output.append(" {"); //$NON-NLS-1$
if (this.statements != null) {
for (int i = 0; i < this.statements.length; i++) {
output.append('\n');
this.statements[i].printStatement(indent, output);
}
}
output.append('\n');
printIndent(indent == 0 ? 0 : indent - 1, output).append('}');
return output;
}
public StringBuffer printReturnType(int indent, StringBuffer output) {
return output;
}
public void resolve(ClassScope upperScope) {
if (this.binding == null) {
this.ignoreFurtherInvestigation = true;
}
try {
bindArguments();
bindThrownExceptions();
resolveJavadoc();
resolveAnnotations(this.scope, this.annotations, this.binding);
resolveStatements();
// check @Deprecated annotation presence
if (this.binding != null
&& (this.binding.getAnnotationTagBits() & TagBits.AnnotationDeprecated) == 0
&& (this.binding.modifiers & ClassFileConstants.AccDeprecated) != 0
&& this.scope.compilerOptions().sourceLevel >= ClassFileConstants.JDK1_5) {
this.scope.problemReporter().missingDeprecatedAnnotationForMethod(this);
}
} catch (AbortMethod e) {
// ========= abort on fatal error =============
this.ignoreFurtherInvestigation = true;
}
}
public void resolveJavadoc() {
if (this.binding == null) return;
if (this.javadoc != null) {
this.javadoc.resolve(this.scope);
return;
}
if (this.binding.declaringClass != null && !this.binding.declaringClass.isLocalType()) {
// Set javadoc visibility
int javadocVisibility = this.binding.modifiers & ExtraCompilerModifiers.AccVisibilityMASK;
ClassScope classScope = this.scope.classScope();
ProblemReporter reporter = this.scope.problemReporter();
int severity = reporter.computeSeverity(IProblem.JavadocMissing);
if (severity != ProblemSeverities.Ignore) {
if (classScope != null) {
javadocVisibility = Util.computeOuterMostVisibility(classScope.referenceType(), javadocVisibility);
}
int javadocModifiers = (this.binding.modifiers & ~ExtraCompilerModifiers.AccVisibilityMASK) | javadocVisibility;
reporter.javadocMissing(this.sourceStart, this.sourceEnd, severity, javadocModifiers);
}
}
}
public void resolveStatements() {
if (this.statements != null) {
for (int i = 0, length = this.statements.length; i < length; i++) {
this.statements[i].resolve(this.scope);
}
} else if ((this.bits & UndocumentedEmptyBlock) != 0) {
this.scope.problemReporter().undocumentedEmptyBlock(this.bodyStart-1, this.bodyEnd+1);
}
}
public void tagAsHavingErrors() {
this.ignoreFurtherInvestigation = true;
}
public void traverse(
ASTVisitor visitor,
ClassScope classScope) {
// default implementation: subclass will define it
}
public TypeParameter[] typeParameters() {
return null;
}
}
