/*
*
* 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.goog;
import org.apache.flex.compiler.codegen.IASGlobalFunctionConstants;
import org.apache.flex.compiler.codegen.IEmitterTokens;
import org.apache.flex.compiler.codegen.js.IJSEmitter;
import org.apache.flex.compiler.codegen.js.goog.IJSGoogDocEmitter;
import org.apache.flex.compiler.common.ASModifier;
import org.apache.flex.compiler.common.DependencyType;
import org.apache.flex.compiler.constants.IASKeywordConstants;
import org.apache.flex.compiler.constants.IASLanguageConstants;
import org.apache.flex.compiler.definitions.IClassDefinition;
import org.apache.flex.compiler.definitions.IDefinition;
import org.apache.flex.compiler.definitions.ITypeDefinition;
import org.apache.flex.compiler.definitions.references.IReference;
import org.apache.flex.compiler.internal.codegen.as.ASEmitterTokens;
import org.apache.flex.compiler.internal.codegen.js.JSDocEmitter;
import org.apache.flex.compiler.internal.codegen.js.JSDocEmitterTokens;
import org.apache.flex.compiler.internal.codegen.js.JSEmitterTokens;
import org.apache.flex.compiler.internal.codegen.js.JSSharedData;
import org.apache.flex.compiler.internal.codegen.js.flexjs.JSFlexJSEmitter;
import org.apache.flex.compiler.internal.scopes.ASScope;
import org.apache.flex.compiler.internal.semantics.SemanticUtils;
import org.apache.flex.compiler.projects.ICompilerProject;
import org.apache.flex.compiler.tree.as.IASNode;
import org.apache.flex.compiler.tree.as.IClassNode;
import org.apache.flex.compiler.tree.as.IDefinitionNode;
import org.apache.flex.compiler.tree.as.IExpressionNode;
import org.apache.flex.compiler.tree.as.IFunctionNode;
import org.apache.flex.compiler.tree.as.IInterfaceNode;
import org.apache.flex.compiler.tree.as.IPackageNode;
import org.apache.flex.compiler.tree.as.IParameterNode;
import org.apache.flex.compiler.tree.as.IScopedNode;
import org.apache.flex.compiler.tree.as.IVariableNode;
import org.apache.flex.compiler.tree.mxml.IMXMLDocumentNode;
import java.text.SimpleDateFormat;
import java.util.Calendar;
public class JSGoogDocEmitter extends JSDocEmitter implements IJSGoogDocEmitter
{
public JSGoogDocEmitter(IJSEmitter emitter)
{
super(emitter);
}
@Override
public void emitInterfaceDoc(IInterfaceNode node, ICompilerProject project)
{
begin();
emitJSDocLine(JSEmitterTokens.INTERFACE.getToken());
boolean hasQualifiedNames = true;
IExpressionNode[] inodes = node.getExtendedInterfaceNodes();
for (IExpressionNode inode : inodes)
{
IDefinition dnode = inode.resolve(project);
if (dnode != null)
{
emitJSDocLine(ASEmitterTokens.EXTENDS,
formatQualifiedName(dnode.getQualifiedName()));
}
else
{
hasQualifiedNames = false;
break;
}
}
if (!hasQualifiedNames)
{
String[] inames = node.getExtendedInterfaces();
for (String iname : inames)
{
emitJSDocLine(ASEmitterTokens.EXTENDS, iname);
}
}
end();
}
public void emitInterfaceMemberDoc(IDefinitionNode node,
ICompilerProject project)
{
// (erikdebruin) placeholder method, so we don't have to further complicate
// the interface structure
}
@Override
public void emitFieldDoc(IVariableNode node, IDefinition def, ICompilerProject project)
{
begin();
String ns = node.getNamespace();
if (ns == IASKeywordConstants.PRIVATE)
{
emitPrivate(node);
}
else if (ns == IASKeywordConstants.PROTECTED)
{
emitProtected(node);
}
if (node.isConst())
emitConst(node);
String packageName = "";
if (def != null)
packageName = def.getPackageName();
emitType(node, packageName);
end();
}
@Override
public void emitMethodDoc(IFunctionNode node, ICompilerProject project)
{
IClassDefinition classDefinition = resolveClassDefinition(node);
if (node instanceof IFunctionNode)
{
boolean hasDoc = false;
if (node.isConstructor())
{
begin();
hasDoc = true;
emitJSDocLine(JSEmitterTokens.CONSTRUCTOR);
IClassDefinition parent = (IClassDefinition) node
.getDefinition().getParent();
IClassDefinition superClass = parent.resolveBaseClass(project);
String qname = superClass.getQualifiedName();
if (superClass != null
&& !qname.equals(IASLanguageConstants.Object))
emitExtends(superClass, superClass.getPackageName());
IReference[] references = classDefinition
.getImplementedInterfaceReferences();
for (IReference iReference : references)
{
ITypeDefinition type = (ITypeDefinition) iReference
.resolve(project, (ASScope) classDefinition
.getContainingScope(),
DependencyType.INHERITANCE, true);
emitImplements(type, type.getPackageName());
}
}
else
{
// @this
if (containsThisReference(node))
{
begin();
emitMethodAccess(node);
hasDoc = true;
emitThis(classDefinition, classDefinition.getPackageName());
}
}
// @param
IParameterNode[] parameters = node.getParameterNodes();
for (IParameterNode pnode : parameters)
{
if (!hasDoc)
{
begin();
emitMethodAccess(node);
hasDoc = true;
}
IExpressionNode enode = pnode.getNameExpressionNode();
emitParam(pnode, enode.resolveType(project).getPackageName());
}
if (!node.isConstructor())
{
// @return
String returnType = node.getReturnType();
if (returnType != ""
&& returnType != ASEmitterTokens.VOID.getToken())
{
if (!hasDoc)
{
begin();
emitMethodAccess(node);
hasDoc = true;
}
emitReturn(node, node.getPackageName());
}
// @override
Boolean override = node.hasModifier(ASModifier.OVERRIDE);
if (override)
{
if (!hasDoc)
{
begin();
emitMethodAccess(node);
hasDoc = true;
}
emitOverride(node);
}
}
if (hasDoc)
end();
}
}
public void emitMethodAccess(IFunctionNode node)
{
// do nothing
}
@Override
public void emitVarDoc(IVariableNode node, IDefinition def, ICompilerProject project)
{
String packageName = "";
if (def != null)
packageName = def.getPackageName();
if (!node.isConst())
{
IDefinition ndef = node.getDefinition();
if (emitter != null && emitter instanceof JSFlexJSEmitter)
{
ITypeDefinition type = ndef.resolveType(project);
if (type != null)
{
packageName = ((ITypeDefinition) type).getPackageName();
}
}
emitTypeShort(node, project.getActualPackageName(packageName));
}
else
{
writeNewline();
begin();
emitConst(node);
emitType(node, project.getActualPackageName(packageName));
end();
}
}
@Override
public void emitConst(IVariableNode node)
{
emitJSDocLine(ASEmitterTokens.CONST);
}
@Override
public void emitExtends(IClassDefinition superDefinition, String packageName)
{
emitJSDocLine(ASEmitterTokens.EXTENDS,
formatQualifiedName(superDefinition.getQualifiedName()));
}
@Override
public void emitImplements(ITypeDefinition definition, String packageName)
{
emitJSDocLine(ASEmitterTokens.IMPLEMENTS,
formatQualifiedName(definition.getQualifiedName()));
}
@Override
public void emitOverride(IFunctionNode node)
{
emitJSDocLine(ASEmitterTokens.OVERRIDE);
}
@Override
public void emitParam(IParameterNode node, String packageName)
{
String postfix = (node.getDefaultValue() == null) ? ""
: ASEmitterTokens.EQUAL.getToken();
String paramType = "";
if (node.isRest())
{
paramType = ASEmitterTokens.ELLIPSIS.getToken();
}
else
{
String typeName = node.getVariableType();
if (typeName.indexOf(packageName) > -1)
{
String[] parts = typeName.split("\\.");
if (parts.length > 0)
{
typeName = parts[parts.length - 1];
}
}
paramType = convertASTypeToJS(typeName, packageName);
}
emitJSDocLine(JSGoogDocEmitterTokens.PARAM, paramType + postfix,
node.getName());
}
@Override
public void emitPrivate(IASNode node)
{
emitJSDocLine(ASEmitterTokens.PRIVATE);
}
@Override
public void emitProtected(IASNode node)
{
emitJSDocLine(ASEmitterTokens.PROTECTED);
}
@Override
public void emitPublic(IASNode node)
{
emitJSDocLine(JSGoogDocEmitterTokens.EXPORT);
}
@Override
public void emitReturn(IFunctionNode node, String packageName)
{
String rtype = node.getReturnType();
if (rtype != null)
{
emitJSDocLine(ASEmitterTokens.RETURN,
convertASTypeToJS(rtype, packageName));
}
}
@Override
public void emitThis(ITypeDefinition type, String packageName)
{
emitJSDocLine(ASEmitterTokens.THIS.getToken(), type.getQualifiedName());
}
@Override
public void emitType(IASNode node, String packageName)
{
String type = ((IVariableNode) node).getVariableType();
emitJSDocLine(JSGoogDocEmitterTokens.TYPE.getToken(),
convertASTypeToJS(type, packageName));
}
@Override
public void emitType(String type, String packageName)
{
emitJSDocLine(JSGoogDocEmitterTokens.TYPE.getToken(),
convertASTypeToJS(type, packageName));
}
public void emitTypeShort(IASNode node, String packageName)
{
String type = ((IVariableNode) node).getVariableType();
writeToken(JSDocEmitterTokens.JSDOC_OPEN);
write(ASEmitterTokens.ATSIGN);
writeToken(JSGoogDocEmitterTokens.TYPE);
writeBlockOpen();
write(convertASTypeToJS(type, packageName));
writeBlockClose();
write(ASEmitterTokens.SPACE);
writeToken(JSDocEmitterTokens.JSDOC_CLOSE);
}
//--------------------------------------------------------------------------
public void emmitPackageHeader(IPackageNode node)
{
begin();
write(ASEmitterTokens.SPACE);
writeToken(JSGoogDocEmitterTokens.STAR);
write(getTimeStampString());
end();
}
//--------------------------------------------------------------------------
protected void emitJSDocLine(IEmitterTokens name)
{
emitJSDocLine(name.getToken(), "");
}
private void emitJSDocLine(String name)
{
emitJSDocLine(name, "");
}
protected void emitJSDocLine(IEmitterTokens name, String type)
{
emitJSDocLine(name.getToken(), type, "");
}
private void emitJSDocLine(String name, String type)
{
emitJSDocLine(name, type, "");
}
private void emitJSDocLine(IEmitterTokens name, String type, String param)
{
emitJSDocLine(name.getToken(), type, param);
}
private void emitJSDocLine(String name, String type, String param)
{
write(ASEmitterTokens.SPACE);
writeToken(JSGoogDocEmitterTokens.STAR);
write(ASEmitterTokens.ATSIGN);
write(name);
if (type != "")
{
write(ASEmitterTokens.SPACE);
writeBlockOpen();
write(type);
writeBlockClose();
}
if (param != "")
{
write(ASEmitterTokens.SPACE);
write(param);
}
writeNewline();
}
protected boolean containsThisReference(IASNode node)
{
final int len = node.getChildCount();
for (int i = 0; i < len; i++)
{
final IASNode child = node.getChild(i);
if (child.getChildCount() > 0)
{
return containsThisReference(child);
}
else
{
if (SemanticUtils.isThisKeyword(child))
return true;
}
}
return false;
}
protected String convertASTypeToJS(String name, String pname)
{
String result = "";
if (name.equals(""))
result = ASEmitterTokens.ANY_TYPE.getToken();
else if (name.equals(IASLanguageConstants.Class))
result = IASLanguageConstants.Object;
else if (name.equals(IASLanguageConstants.Boolean)
|| name.equals(IASLanguageConstants.String)
|| name.equals(IASLanguageConstants.Number))
result = name.toLowerCase();
else if (name.equals(IASLanguageConstants._int)
|| name.equals(IASLanguageConstants.uint))
result = IASLanguageConstants.Number.toLowerCase();
boolean isBuiltinFunction = name.matches("Vector\\.<.*>");
if (isBuiltinFunction)
{
// is a vector so convert the element type
String elementType = name.substring(8, name.length() - 1);
elementType = convertASTypeToJS(elementType, pname);
name = "Vector.<" + elementType + ">";
}
IASGlobalFunctionConstants.BuiltinType[] builtinTypes = IASGlobalFunctionConstants.BuiltinType
.values();
for (IASGlobalFunctionConstants.BuiltinType builtinType : builtinTypes)
{
if (name.equalsIgnoreCase(builtinType.getName()))
{
isBuiltinFunction = true;
break;
}
}
if (result == "")
result = (pname != "" && !isBuiltinFunction && name.indexOf(".") < 0) ? pname
+ ASEmitterTokens.MEMBER_ACCESS.getToken() + name
: name;
return result;
}
protected IClassDefinition resolveClassDefinition(IFunctionNode node)
{
IScopedNode scope = node.getContainingScope();
if (scope instanceof IMXMLDocumentNode)
return ((IMXMLDocumentNode) scope).getClassDefinition();
IClassNode cnode = (IClassNode) node
.getAncestorOfType(IClassNode.class);
if (cnode == null)
return null;
return cnode.getDefinition();
}
protected String formatQualifiedName(String name)
{
return name;
}
public static String now() {
final String DATE_FORMAT_NOW = "yyyy-MM-dd HH:mm:ss";
Calendar cal = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT_NOW);
return sdf.format(cal.getTime());
}
public static String getTimeStampString() {
if (JSSharedData.OUTPUT_TIMESTAMPS) {
return "CROSS-COMPILED BY " + JSSharedData.COMPILER_NAME + " ("
+ JSSharedData.COMPILER_VERSION + ") ON "
+ now() + "\n";
} else {
return "CROSS-COMPILED BY " + JSSharedData.COMPILER_NAME + "\n";
}
}
}