/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.flex.compiler.internal.codegen.js.jx;
import org.apache.flex.compiler.clients.MXMLJSC;
import org.apache.flex.compiler.clients.MXMLJSC.JSOutputType;
import org.apache.flex.compiler.codegen.js.IJSEmitter;
import org.apache.flex.compiler.definitions.IClassDefinition;
import org.apache.flex.compiler.definitions.IDefinition;
import org.apache.flex.compiler.definitions.INamespaceDefinition;
import org.apache.flex.compiler.internal.codegen.as.ASEmitterTokens;
import org.apache.flex.compiler.internal.codegen.js.JSEmitterTokens;
import org.apache.flex.compiler.internal.codegen.js.JSSessionModel;
import org.apache.flex.compiler.internal.codegen.js.JSSubEmitter;
import org.apache.flex.compiler.internal.codegen.js.flexjs.JSFlexJSEmitter;
import org.apache.flex.compiler.internal.codegen.js.flexjs.JSFlexJSEmitterTokens;
import org.apache.flex.compiler.internal.codegen.js.goog.JSGoogEmitterTokens;
import org.apache.flex.compiler.internal.codegen.js.utils.EmitterUtils;
import org.apache.flex.compiler.internal.definitions.FunctionDefinition;
import org.apache.flex.compiler.internal.tree.as.BinaryOperatorAssignmentNode;
import org.apache.flex.compiler.internal.tree.as.FunctionCallNode;
import org.apache.flex.compiler.internal.tree.as.IdentifierNode;
import org.apache.flex.compiler.internal.tree.as.MemberAccessExpressionNode;
import org.apache.flex.compiler.tree.ASTNodeID;
import org.apache.flex.compiler.tree.as.IASNode;
import org.apache.flex.compiler.tree.as.IClassNode;
import org.apache.flex.compiler.tree.as.IExpressionNode;
import org.apache.flex.compiler.tree.as.IFunctionCallNode;
import org.apache.flex.compiler.tree.as.IFunctionNode;
public class SuperCallEmitter extends JSSubEmitter
{
public SuperCallEmitter(IJSEmitter emitter)
{
super(emitter);
}
public void emit(IASNode node, String type)
{
IFunctionNode fnode = (node instanceof IFunctionNode) ? (IFunctionNode) node
: null;
IFunctionCallNode fcnode = (node instanceof IFunctionCallNode) ? (FunctionCallNode) node
: null;
final IClassDefinition thisClass = getModel().getCurrentClass();
if (type == JSSessionModel.SUPER_FUNCTION_CALL)
{
if (fnode == null)
fnode = (IFunctionNode) fcnode
.getAncestorOfType(IFunctionNode.class);
if (fnode != null && fnode.isConstructor()
&& !EmitterUtils.hasSuperClass(getProject(), fnode))
return;
IClassNode cnode = (IClassNode) node
.getAncestorOfType(IClassNode.class);
if (fnode != null
&& (fnode.getNodeID() == ASTNodeID.GetterID || fnode
.getNodeID() == ASTNodeID.SetterID))
{
if (cnode == null && thisClass != null)
write(getEmitter().formatQualifiedName(
thisClass.getQualifiedName()));
else
write(getEmitter().formatQualifiedName(
cnode.getQualifiedName()));
write(ASEmitterTokens.MEMBER_ACCESS);
write(JSGoogEmitterTokens.SUPERCLASS);
write(ASEmitterTokens.MEMBER_ACCESS);
if (fnode.getNodeID() == ASTNodeID.GetterID)
write(JSFlexJSEmitterTokens.GETTER_PREFIX);
else
write(JSFlexJSEmitterTokens.SETTER_PREFIX);
write(fnode.getName());
write(ASEmitterTokens.MEMBER_ACCESS);
write(JSEmitterTokens.APPLY);
write(ASEmitterTokens.PAREN_OPEN);
write(ASEmitterTokens.THIS);
IASNode[] anodes = null;
boolean writeArguments = false;
if (fcnode != null)
{
anodes = fcnode.getArgumentNodes();
writeArguments = anodes.length > 0;
}
else if (fnode != null && fnode.isConstructor())
{
anodes = fnode.getParameterNodes();
writeArguments = (anodes != null && anodes.length > 0);
}
else if (node instanceof IFunctionNode
&& node instanceof BinaryOperatorAssignmentNode)
{
BinaryOperatorAssignmentNode bnode = (BinaryOperatorAssignmentNode) node;
IFunctionNode pnode = (IFunctionNode) bnode
.getAncestorOfType(IFunctionNode.class);
if (pnode.getNodeID() == ASTNodeID.SetterID)
{
writeToken(ASEmitterTokens.COMMA);
writeToken(ASEmitterTokens.SQUARE_OPEN);
getWalker().walk(bnode.getRightOperandNode());
writeToken(ASEmitterTokens.SQUARE_CLOSE);
}
}
if (writeArguments)
{
// I think len has to be 0 or 1
int len = anodes.length;
for (int i = 0; i < len; i++)
{
writeToken(ASEmitterTokens.COMMA);
writeToken(ASEmitterTokens.SQUARE_OPEN);
getWalker().walk(anodes[i]);
writeToken(ASEmitterTokens.SQUARE_CLOSE);
}
}
write(ASEmitterTokens.PAREN_CLOSE);
return;
}
}
super_emitSuperCall(node, type);
}
protected void super_emitSuperCall(IASNode node, String type)
{
// TODO (mschmalle) will remove this cast as more things get abstracted
JSFlexJSEmitter fjs = (JSFlexJSEmitter) getEmitter();
IFunctionNode fnode = (node instanceof IFunctionNode) ? (IFunctionNode) node
: null;
IFunctionCallNode fcnode = (node instanceof IFunctionCallNode) ? (FunctionCallNode) node
: null;
if (type == JSSessionModel.CONSTRUCTOR_EMPTY)
{
indentPush();
writeNewline();
indentPop();
}
else if (type == JSSessionModel.SUPER_FUNCTION_CALL)
{
if (fnode == null)
fnode = (IFunctionNode) fcnode
.getAncestorOfType(IFunctionNode.class);
}
if (fnode.isConstructor()
&& !EmitterUtils.hasSuperClass(getProject(), fnode))
return;
IClassNode cnode = (IClassNode) node
.getAncestorOfType(IClassNode.class);
if (cnode == null)
{
IDefinition cdef = getModel().getCurrentClass();
write(fjs.formatQualifiedName(cdef.getQualifiedName()));
}
else
write(fjs.formatQualifiedName(cnode.getQualifiedName()));
if (fnode.isConstructor())
{
write(ASEmitterTokens.MEMBER_ACCESS);
write(JSGoogEmitterTokens.GOOG_BASE);
write(ASEmitterTokens.PAREN_OPEN);
write(ASEmitterTokens.THIS);
writeToken(ASEmitterTokens.COMMA);
write(ASEmitterTokens.SINGLE_QUOTE);
write(JSGoogEmitterTokens.GOOG_CONSTRUCTOR);
write(ASEmitterTokens.SINGLE_QUOTE);
}
boolean usingApply = false;
boolean isCustomNamespace = false;
if (fnode != null && !fnode.isConstructor())
{
write(ASEmitterTokens.MEMBER_ACCESS);
write(JSGoogEmitterTokens.SUPERCLASS);
IExpressionNode namenode = fcnode.getNameNode();
IDefinition def = namenode.resolve(getWalker().getProject());
String superName = fnode.getName();
if (namenode instanceof MemberAccessExpressionNode)
{
namenode = ((MemberAccessExpressionNode)namenode).getRightOperandNode();
if (namenode instanceof IdentifierNode)
{
superName = ((IdentifierNode)namenode).getName();
}
}
if (def instanceof FunctionDefinition && fjs.isCustomNamespace((FunctionDefinition)def))
{
INamespaceDefinition nsDef = ((FunctionDefinition)def).getNamespaceReference().resolveNamespaceReference(getProject());
if (nsDef.getContainingScope() != null) // was null for flash_proxy in unit test
fjs.formatQualifiedName(nsDef.getQualifiedName()); // register with used names
String s = nsDef.getURI();
superName = s + "::" + superName;
isCustomNamespace = true;
}
if (isCustomNamespace)
{
write(ASEmitterTokens.SQUARE_OPEN);
write(ASEmitterTokens.SINGLE_QUOTE);
}
else
write(ASEmitterTokens.MEMBER_ACCESS);
write(superName);
if (isCustomNamespace)
{
write(ASEmitterTokens.SINGLE_QUOTE);
write(ASEmitterTokens.SQUARE_CLOSE);
}
write(ASEmitterTokens.MEMBER_ACCESS);
write(JSEmitterTokens.APPLY);
write(ASEmitterTokens.PAREN_OPEN);
write(ASEmitterTokens.THIS);
usingApply = true;
}
IASNode[] anodes = null;
boolean writeArguments = false;
if (fcnode != null)
{
anodes = fcnode.getArgumentNodes();
writeArguments = anodes.length > 0;
}
else if (fnode.isConstructor())
{
// I think we only get here for implicit super calls
// (when there is no mention of super() in the constructor
// code and the compiler autogenerates the super() call)
// and implicit super calls do not have parameters passed
// to them.
/*
anodes = fnode.getParameterNodes();
writeArguments = (anodes != null && anodes.length > 0);
*/
}
if (writeArguments)
{
if (usingApply)
{
writeToken(ASEmitterTokens.COMMA);
writeToken(ASEmitterTokens.SQUARE_OPEN);
}
int len = anodes.length;
for (int i = 0; i < len; i++)
{
if (!usingApply || i > 0)
writeToken(ASEmitterTokens.COMMA);
getWalker().walk(anodes[i]);
}
if (usingApply)
writeToken(ASEmitterTokens.SQUARE_CLOSE);
}
write(ASEmitterTokens.PAREN_CLOSE);
if (type == JSSessionModel.CONSTRUCTOR_FULL)
{
write(ASEmitterTokens.SEMICOLON);
writeNewline();
}
else if (type == JSSessionModel.CONSTRUCTOR_EMPTY)
{
write(ASEmitterTokens.SEMICOLON);
}
}
}