/******************************************************************************* | |
* 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.wst.jsdt.internal.compiler.ast; | |
import org.eclipse.wst.jsdt.internal.compiler.ASTVisitor; | |
import org.eclipse.wst.jsdt.internal.compiler.codegen.*; | |
import org.eclipse.wst.jsdt.internal.compiler.flow.*; | |
import org.eclipse.wst.jsdt.internal.compiler.lookup.*; | |
import org.eclipse.wst.jsdt.internal.compiler.parser.*; | |
public class Initializer extends FieldDeclaration { | |
public Block block; | |
public int lastVisibleFieldID; | |
public int bodyStart; | |
public int bodyEnd; | |
public boolean errorInSignature = false; | |
public Initializer(Block block, int modifiers) { | |
this.block = block; | |
this.modifiers = modifiers; | |
declarationSourceStart = sourceStart = block.sourceStart; | |
} | |
public FlowInfo analyseCode( | |
MethodScope currentScope, | |
FlowContext flowContext, | |
FlowInfo flowInfo) { | |
return block.analyseCode(currentScope, flowContext, flowInfo); | |
} | |
/** | |
* Code generation for a non-static initializer: | |
* standard block code gen | |
* | |
* @param currentScope org.eclipse.wst.jsdt.internal.compiler.lookup.BlockScope | |
* @param codeStream org.eclipse.wst.jsdt.internal.compiler.codegen.CodeStream | |
*/ | |
public void generateCode(BlockScope currentScope, CodeStream codeStream) { | |
if ((bits & IsReachableMASK) == 0) { | |
return; | |
} | |
int pc = codeStream.position; | |
block.generateCode(currentScope, codeStream); | |
codeStream.recordPositionsFrom(pc, this.sourceStart); | |
} | |
public boolean isField() { | |
return false; | |
} | |
public boolean isStatic() { | |
return (modifiers & AccStatic) != 0; | |
} | |
public void parseStatements( | |
Parser parser, | |
TypeDeclaration typeDeclaration, | |
CompilationUnitDeclaration unit) { | |
//fill up the method body with statement | |
parser.parse(this, typeDeclaration, unit); | |
} | |
public StringBuffer printStatement(int indent, StringBuffer output) { | |
if (modifiers != 0) { | |
printIndent(indent, output); | |
printModifiers(modifiers, output).append("{\n"); //$NON-NLS-1$ | |
block.printBody(indent, output); | |
printIndent(indent, output).append('}'); | |
return output; | |
} else { | |
return block.printStatement(indent, output); | |
} | |
} | |
public void resolve(MethodScope scope) { | |
FieldBinding previousField = scope.initializedField; | |
int previousFieldID = scope.lastVisibleFieldID; | |
try { | |
scope.initializedField = null; | |
scope.lastVisibleFieldID = lastVisibleFieldID; | |
if (isStatic()) { | |
ReferenceBinding declaringType = scope.enclosingSourceType(); | |
if (declaringType.isNestedType() && !declaringType.isStatic()) | |
scope.problemReporter().innerTypesCannotDeclareStaticInitializers( | |
declaringType, | |
this); | |
} | |
block.resolve(scope); | |
} finally { | |
scope.initializedField = previousField; | |
scope.lastVisibleFieldID = previousFieldID; | |
} | |
} | |
public void traverse(ASTVisitor visitor, MethodScope scope) { | |
if (visitor.visit(this, scope)) { | |
block.traverse(visitor, scope); | |
} | |
visitor.endVisit(this, scope); | |
} | |
} |