first scanner /parser copied from the jdt java version

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / Initializer.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Initializer.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Initializer.java
new file mode 100644 (file)
index 0000000..858198c
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Initializer.java
@@ -0,0 +1,116 @@
+/*******************************************************************************
+ * 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.ast;
+
+import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
+import net.sourceforge.phpdt.internal.compiler.codegen.*;
+import net.sourceforge.phpdt.internal.compiler.flow.*;
+import net.sourceforge.phpdt.internal.compiler.lookup.*;
+import net.sourceforge.phpdt.internal.compiler.parser.*;
+
+public class Initializer extends FieldDeclaration {
+       
+       public Block block;
+       public int lastFieldID;
+       public int bodyStart;
+       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.
+        *      i.e. normal block code gen
+        *
+        * @param currentScope org.eclipse.jdt.internal.compiler.lookup.BlockScope
+        * @param codeStream org.eclipse.jdt.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 type,
+               CompilationUnitDeclaration unit) {
+
+               //fill up the method body with statement
+               parser.parse(this, type, unit);
+       }
+
+       public void resolve(MethodScope scope) {
+
+               int previous = scope.fieldDeclarationIndex;
+               try {
+                       scope.fieldDeclarationIndex = lastFieldID;
+                       if (isStatic()) {
+                               ReferenceBinding declaringType = scope.enclosingSourceType();
+                               if (declaringType.isNestedType() && !declaringType.isStatic())
+                                       scope.problemReporter().innerTypesCannotDeclareStaticInitializers(
+                                               declaringType,
+                                               this);
+                       }
+                       block.resolve(scope);
+               } finally {
+                       scope.fieldDeclarationIndex = previous;
+               }
+       }
+
+       public String toString(int tab) {
+
+               if (modifiers != 0) {
+                       StringBuffer buffer = new StringBuffer();
+                       buffer.append(tabString(tab));
+                       buffer.append(modifiersString(modifiers));
+                       buffer.append("{\n"); //$NON-NLS-1$
+                       buffer.append(block.toStringStatements(tab));
+                       buffer.append(tabString(tab));
+                       buffer.append("}"); //$NON-NLS-1$
+                       return buffer.toString();
+               } else {
+                       return block.toString(tab);
+               }
+       }
+
+       public void traverse(IAbstractSyntaxTreeVisitor visitor, MethodScope scope) {
+
+               if (visitor.visit(this, scope)) {
+                       block.traverse(visitor, scope);
+               }
+               visitor.visit(this, scope);
+       }
+}
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