/*
* Copyright 2014 Alexey Andreev.
*
* Licensed 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.teavm.eclipse.debugger.ui;
import java.net.URL;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IStorage;
import org.eclipse.debug.core.model.ILineBreakpoint;
import org.eclipse.debug.core.model.IValue;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.debug.ui.IValueDetailListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.FileEditorInput;
import org.teavm.debugging.CallFrame;
import org.teavm.debugging.javascript.JavaScriptCallFrame;
import org.teavm.debugging.javascript.JavaScriptLocation;
import org.teavm.eclipse.debugger.*;
import org.teavm.model.MethodDescriptor;
import org.teavm.model.MethodReference;
import org.teavm.model.ValueType;
/**
*
* @author Alexey Andreev <konsoletyper@gmail.com>
*/
public class TeaVMDebugModelPresentation extends LabelProvider implements IDebugModelPresentation {
@Override
public String getEditorId(IEditorInput input, Object element) {
IEditorRegistry registry = PlatformUI.getWorkbench().getEditorRegistry();
if (element instanceof IFile) {
IFile file = (IFile)element;
return registry.getDefaultEditor(file.getName()).getId();
} else if (element instanceof ILineBreakpoint) {
String fileName = ((ILineBreakpoint)element).getMarker().getResource().getName();
return registry.getDefaultEditor(fileName).getId();
} else if (element instanceof IStorage) {
IStorage storage = (IStorage)element;
return registry.getDefaultEditor(storage.getName()).getId();
} else if (element instanceof URL) {
URL url = (URL)element;
return registry.getDefaultEditor(url.getFile()).getId();
}
return null;
}
@Override
public IEditorInput getEditorInput(Object element) {
if (element instanceof IFile) {
return new FileEditorInput((IFile)element);
}
if (element instanceof ILineBreakpoint) {
return new FileEditorInput((IFile)((ILineBreakpoint)element).getMarker().getResource());
}
if (element instanceof URL) {
return new URLEditorInput((URL)element);
}
if (element instanceof IStorage) {
return new StorageEditorInput((IStorage)element);
}
return null;
}
@Override
public void computeDetail(IValue value, IValueDetailListener listener) {
if (value instanceof TeaVMValue) {
String description = ((TeaVMValue)value).getDescription();
listener.detailComputed(value, description);
} else {
listener.detailComputed(value, "");
}
}
@Override
public void setAttribute(String attr, Object value) {
}
@Override
public String getText(Object element) {
if (element instanceof TeaVMJavaStackFrame) {
TeaVMJavaStackFrame stackFrame = (TeaVMJavaStackFrame)element;
return callFrameAsString(stackFrame.getCallFrame());
} else if (element instanceof TeaVMJSStackFrame) {
TeaVMJSStackFrame stackFrame = (TeaVMJSStackFrame)element;
return callFrameAsString(stackFrame.getCallFrame());
} else if (element instanceof TeaVMDebugTarget) {
return ((TeaVMDebugTarget)element).getName();
} else if (element instanceof TeaVMThread) {
return ((TeaVMThread)element).getName();
}
return super.getText(element);
}
private String callFrameAsString(CallFrame callFrame) {
MethodReference method = callFrame.getMethod();
if (method == null) {
return locationAsString(callFrame.getOriginalLocation());
}
StringBuilder sb = new StringBuilder();
sb.append(classAsString(method.getClassName())).append('.').append(method.getName()).append('(');
MethodDescriptor desc = method.getDescriptor();
for (int i = 0; i < desc.parameterCount(); ++i) {
if (i > 0) {
sb.append(',');
}
sb.append(typeAsString(desc.parameterType(i)));
}
sb.append(')');
if (callFrame.getLocation() != null && callFrame.getLocation().getLine() >= 0) {
sb.append(" line " + callFrame.getLocation().getLine());
} else {
sb.append(" unknown line");
}
return sb.toString();
}
private String typeAsString(ValueType type) {
int arrayDegree = 0;
StringBuilder sb = new StringBuilder();
while (type instanceof ValueType.Array) {
++arrayDegree;
type = ((ValueType.Array)type).getItemType();
}
if (type instanceof ValueType.Primitive) {
switch (((ValueType.Primitive)type).getKind()) {
case BOOLEAN:
sb.append("boolean");
break;
case BYTE:
sb.append("byte");
break;
case SHORT:
sb.append("short");
break;
case CHARACTER:
sb.append("char");
break;
case INTEGER:
sb.append("int");
break;
case LONG:
sb.append("long");
break;
case FLOAT:
sb.append("float");
break;
case DOUBLE:
sb.append("double");
break;
}
} else if (type instanceof ValueType.Object) {
String className = ((ValueType.Object)type).getClassName();
sb.append(classAsString(className));
}
while (arrayDegree-- > 0) {
sb.append("[]");
}
return sb.toString();
}
private String classAsString(String className) {
return className.substring(className.lastIndexOf('.') + 1);
}
private String callFrameAsString(JavaScriptCallFrame callFrame) {
return locationAsString(callFrame.getLocation());
}
private String locationAsString(JavaScriptLocation location) {
StringBuilder sb = new StringBuilder();
String script = location.getScript();
sb.append(script.substring(script.lastIndexOf('/') + 1));
sb.append(" at ").append(location.getLine() + 1).append(";").append(location.getColumn() + 1);
return sb.toString();
}
}