1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / AllocationExpression.java
index ca948ca..c164bcb 100644 (file)
 /*******************************************************************************
- * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials 
- * are made available under the terms of the Common Public License v0.5 
+ * 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-v05.html
+ * http://www.eclipse.org/legal/cpl-v10.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.CodeStream;
+import net.sourceforge.phpdt.internal.compiler.ASTVisitor;
 import net.sourceforge.phpdt.internal.compiler.flow.FlowContext;
 import net.sourceforge.phpdt.internal.compiler.flow.FlowInfo;
 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
 import net.sourceforge.phpdt.internal.compiler.lookup.InvocationSite;
 import net.sourceforge.phpdt.internal.compiler.lookup.LocalTypeBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.LocalVariableBinding;
 import net.sourceforge.phpdt.internal.compiler.lookup.MethodBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.NestedTypeBinding;
 import net.sourceforge.phpdt.internal.compiler.lookup.ReferenceBinding;
 import net.sourceforge.phpdt.internal.compiler.lookup.SourceTypeBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.SyntheticArgumentBinding;
 import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
 
-public class AllocationExpression
-       extends Expression
-       implements InvocationSite {
-               
+public class AllocationExpression extends Expression implements InvocationSite {
+
        public TypeReference type;
+
        public Expression[] arguments;
+
        public MethodBinding binding;
 
        MethodBinding syntheticAccessor;
 
        public AllocationExpression() {
-               super();
        }
 
-       public FlowInfo analyseCode(
-               BlockScope currentScope,
-               FlowContext flowContext,
-               FlowInfo flowInfo) {
+       public FlowInfo analyseCode(BlockScope currentScope,
+                       FlowContext flowContext, FlowInfo flowInfo) {
 
-               // must verify that exceptions potentially thrown by this expression are caught in the method
+               // check captured variables are initialized in current context (26134)
+               checkCapturedLocalInitializationIfNecessary(
+                               this.binding.declaringClass, currentScope, flowInfo);
 
                // process arguments
                if (arguments != null) {
                        for (int i = 0, count = arguments.length; i < count; i++) {
-                               flowInfo =
-                                       arguments[i]
-                                               .analyseCode(currentScope, flowContext, flowInfo)
-                                               .unconditionalInits();
+                               flowInfo = arguments[i].analyseCode(currentScope, flowContext,
+                                               flowInfo).unconditionalInits();
                        }
                }
                // record some dependency information for exception types
                ReferenceBinding[] thrownExceptions;
-               if (((thrownExceptions = binding.thrownExceptions).length) != 0) {
+               if (((thrownExceptions = this.binding.thrownExceptions).length) != 0) {
                        // check exception handling
-                       flowContext.checkExceptionHandlers(
-                               thrownExceptions,
-                               this,
-                               flowInfo,
-                               currentScope);
+                       flowContext.checkExceptionHandlers(thrownExceptions, this,
+                                       flowInfo, currentScope);
                }
                manageEnclosingInstanceAccessIfNecessary(currentScope);
                manageSyntheticAccessIfNecessary(currentScope);
+
                return flowInfo;
        }
 
+       public void checkCapturedLocalInitializationIfNecessary(
+                       ReferenceBinding checkedType, BlockScope currentScope,
+                       FlowInfo flowInfo) {
+
+               if (checkedType.isLocalType() && !checkedType.isAnonymousType()
+                               && !currentScope.isDefinedInType(checkedType)) { // only
+                                                                                                                                       // check
+                                                                                                                                       // external
+                                                                                                                                       // allocations
+                       NestedTypeBinding nestedType = (NestedTypeBinding) checkedType;
+                       SyntheticArgumentBinding[] syntheticArguments = nestedType
+                                       .syntheticOuterLocalVariables();
+                       if (syntheticArguments != null)
+                               for (int i = 0, count = syntheticArguments.length; i < count; i++) {
+                                       SyntheticArgumentBinding syntheticArgument = syntheticArguments[i];
+                                       LocalVariableBinding targetLocal;
+                                       if ((targetLocal = syntheticArgument.actualOuterLocalVariable) == null)
+                                               continue;
+                                       // if (targetLocal.declaration != null &&
+                                       // !flowInfo.isDefinitelyAssigned(targetLocal)){
+                                       // currentScope.problemReporter().uninitializedLocalVariable(targetLocal,
+                                       // this);
+                                       // }
+                               }
+
+               }
+       }
+
        public Expression enclosingInstance() {
                return null;
        }
 
-       public void generateCode(
-               BlockScope currentScope,
-               CodeStream codeStream,
-               boolean valueRequired) {
-
-               int pc = codeStream.position;
-               ReferenceBinding allocatedType = binding.declaringClass;
-
-               codeStream.new_(allocatedType);
-               if (valueRequired) {
-                       codeStream.dup();
-               }
-               // better highlight for allocation: display the type individually
-               codeStream.recordPositionsFrom(pc, type.sourceStart);
-
-               // handling innerclass instance allocation
-               if (allocatedType.isNestedType()) {
-                       codeStream.generateSyntheticArgumentValues(
-                               currentScope,
-                               allocatedType,
-                               enclosingInstance(),
-                               this);
-               }
-               // generate the arguments for constructor
-               if (arguments != null) {
-                       for (int i = 0, count = arguments.length; i < count; i++) {
-                               arguments[i].generateCode(currentScope, codeStream, true);
-                       }
-               }
-               // invoke constructor
-               if (syntheticAccessor == null) {
-                       codeStream.invokespecial(binding);
-               } else {
-                       // synthetic accessor got some extra arguments appended to its signature, which need values
-                       for (int i = 0,
-                               max = syntheticAccessor.parameters.length - binding.parameters.length;
-                               i < max;
-                               i++) {
-                               codeStream.aconst_null();
-                       }
-                       codeStream.invokespecial(syntheticAccessor);
-               }
-               codeStream.recordPositionsFrom(pc, this.sourceStart);
-       }
+       // public void generateCode(
+       // BlockScope currentScope,
+       // CodeStream codeStream,
+       // boolean valueRequired) {
+       //
+       // int pc = codeStream.position;
+       // ReferenceBinding allocatedType = binding.declaringClass;
+       //
+       // codeStream.new_(allocatedType);
+       // if (valueRequired) {
+       // codeStream.dup();
+       // }
+       // // better highlight for allocation: display the type individually
+       // codeStream.recordPositionsFrom(pc, type.sourceStart);
+       //
+       // // handling innerclass instance allocation - enclosing instance arguments
+       // if (allocatedType.isNestedType()) {
+       // codeStream.generateSyntheticEnclosingInstanceValues(
+       // currentScope,
+       // allocatedType,
+       // enclosingInstance(),
+       // this);
+       // }
+       // // generate the arguments for constructor
+       // if (arguments != null) {
+       // for (int i = 0, count = arguments.length; i < count; i++) {
+       // arguments[i].generateCode(currentScope, codeStream, true);
+       // }
+       // }
+       // // handling innerclass instance allocation - outer local arguments
+       // if (allocatedType.isNestedType()) {
+       // codeStream.generateSyntheticOuterArgumentValues(
+       // currentScope,
+       // allocatedType,
+       // this);
+       // }
+       // // invoke constructor
+       // if (syntheticAccessor == null) {
+       // codeStream.invokespecial(binding);
+       // } else {
+       // // synthetic accessor got some extra arguments appended to its signature,
+       // which need values
+       // for (int i = 0,
+       // max = syntheticAccessor.parameters.length - binding.parameters.length;
+       // i < max;
+       // i++) {
+       // codeStream.aconst_null();
+       // }
+       // codeStream.invokespecial(syntheticAccessor);
+       // }
+       // codeStream.recordPositionsFrom(pc, this.sourceStart);
+       // }
 
        public boolean isSuperAccess() {
 
@@ -126,30 +159,30 @@ public class AllocationExpression
                return true;
        }
 
-       /* Inner emulation consists in either recording a dependency 
-        * link only, or performing one level of propagation.
-        *
-        * Dependency mechanism is used whenever dealing with source target
-        * types, since by the time we reach them, we might not yet know their
-        * exact need.
+       /*
+        * Inner emulation consists in either recording a dependency link only, or
+        * performing one level of propagation.
+        * 
+        * Dependency mechanism is used whenever dealing with source target types,
+        * since by the time we reach them, we might not yet know their exact need.
         */
        public void manageEnclosingInstanceAccessIfNecessary(BlockScope currentScope) {
 
                ReferenceBinding allocatedType;
 
-               // perform some emulation work in case there is some and we are inside a local type only
+               // perform some emulation work in case there is some and we are inside a
+               // local type only
                if ((allocatedType = binding.declaringClass).isNestedType()
-                       && currentScope.enclosingSourceType().isLocalType()) {
+                               && currentScope.enclosingSourceType().isLocalType()) {
 
                        if (allocatedType.isLocalType()) {
                                ((LocalTypeBinding) allocatedType).addInnerEmulationDependent(
-                                       currentScope,
-                                       false,
-                                       false);
+                                               currentScope, false);
                                // request cascade of accesses
                        } else {
-                               // locally propagate, since we already now the desired shape for sure
-                               currentScope.propagateInnerEmulation(allocatedType, false, false);
+                               // locally propagate, since we already now the desired shape for
+                               // sure
+                               currentScope.propagateInnerEmulation(allocatedType, false);
                                // request cascade of accesses
                        }
                }
@@ -158,27 +191,45 @@ public class AllocationExpression
        public void manageSyntheticAccessIfNecessary(BlockScope currentScope) {
 
                if (binding.isPrivate()
-                       && (currentScope.enclosingSourceType() != binding.declaringClass)) {
-
-                       if (currentScope
-                               .environment()
-                               .options
-                               .isPrivateConstructorAccessChangingVisibility) {
-                               binding.tagForClearingPrivateModifier();
-                               // constructor will not be dumped as private, no emulation required thus
-                       } else {
-                               syntheticAccessor =
-                                       ((SourceTypeBinding) binding.declaringClass).addSyntheticMethod(binding);
-                               currentScope.problemReporter().needToEmulateMethodAccess(binding, this);
+                               && (currentScope.enclosingSourceType() != binding.declaringClass)) {
+
+                       // if (currentScope
+                       // .environment()
+                       // .options
+                       // .isPrivateConstructorAccessChangingVisibility) {
+                       // binding.tagForClearingPrivateModifier();
+                       // // constructor will not be dumped as private, no emulation
+                       // required thus
+                       // } else {
+                       syntheticAccessor = ((SourceTypeBinding) binding.declaringClass)
+                                       .addSyntheticMethod(binding, isSuperAccess());
+                       currentScope.problemReporter().needToEmulateMethodAccess(binding,
+                                       this);
+                       // }
+               }
+       }
+
+       public StringBuffer printExpression(int indent, StringBuffer output) {
+
+               output.append("new "); //$NON-NLS-1$
+               type.printExpression(0, output);
+               output.append('(');
+               if (arguments != null) {
+                       for (int i = 0; i < arguments.length; i++) {
+                               if (i > 0)
+                                       output.append(", "); //$NON-NLS-1$
+                               arguments[i].printExpression(0, output);
                        }
                }
+               return output.append(')');
        }
 
        public TypeBinding resolveType(BlockScope scope) {
 
-               // Propagate the type checking to the arguments, and check if the constructor is defined.
+               // Propagate the type checking to the arguments, and check if the
+               // constructor is defined.
                constant = NotAConstant;
-               TypeBinding typeBinding = type.resolveType(scope);
+               this.resolvedType = type.resolveType(scope);
                // will check for null after args are resolved
 
                // buffering the arguments' types
@@ -191,29 +242,31 @@ public class AllocationExpression
                                if ((argumentTypes[i] = arguments[i].resolveType(scope)) == null)
                                        argHasError = true;
                        if (argHasError)
-                               return typeBinding;
+                               return this.resolvedType;
                }
-               if (typeBinding == null)
+               if (this.resolvedType == null)
                        return null;
 
-               if (!typeBinding.canBeInstantiated()) {
-                       scope.problemReporter().cannotInstantiate(type, typeBinding);
-                       return typeBinding;
+               if (!this.resolvedType.canBeInstantiated()) {
+                       scope.problemReporter().cannotInstantiate(type, this.resolvedType);
+                       return this.resolvedType;
                }
-               ReferenceBinding allocatedType = (ReferenceBinding) typeBinding;
-               if (!(binding = scope.getConstructor(allocatedType, argumentTypes, this))
-                       .isValidBinding()) {
+               ReferenceBinding allocatedType = (ReferenceBinding) this.resolvedType;
+               if (!(binding = scope
+                               .getConstructor(allocatedType, argumentTypes, this))
+                               .isValidBinding()) {
                        if (binding.declaringClass == null)
                                binding.declaringClass = allocatedType;
                        scope.problemReporter().invalidConstructor(this, binding);
-                       return typeBinding;
+                       return this.resolvedType;
                }
                if (isMethodUseDeprecated(binding, scope))
                        scope.problemReporter().deprecatedMethod(binding, this);
 
                if (arguments != null)
                        for (int i = 0; i < arguments.length; i++)
-                               arguments[i].implicitWidening(binding.parameters[i], argumentTypes[i]);
+                               arguments[i].implicitWidening(binding.parameters[i],
+                                               argumentTypes[i]);
                return allocatedType;
        }
 
@@ -247,7 +300,7 @@ public class AllocationExpression
                return s;
        }
 
-       public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope scope) {
+       public void traverse(ASTVisitor visitor, BlockScope scope) {
 
                if (visitor.visit(this, scope)) {
                        int argumentsLength;
@@ -260,4 +313,4 @@ public class AllocationExpression
                }
                visitor.endVisit(this, scope);
        }
-}
\ No newline at end of file
+}