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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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 com.intellij.debugger.impl;
import com.intellij.codeInsight.daemon.impl.IdentifierHighlighterPass;
import com.intellij.debugger.SourcePosition;
import com.intellij.debugger.engine.SuspendContextImpl;
import com.intellij.debugger.engine.SuspendManagerUtil;
import com.intellij.debugger.jdi.StackFrameProxyImpl;
import com.intellij.debugger.ui.impl.watch.ThreadDescriptorImpl;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.fileEditor.FileEditorManager;
import com.intellij.openapi.fileEditor.impl.FileEditorManagerImpl;
import com.intellij.openapi.util.Couple;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.xdebugger.XDebugSession;
import com.intellij.xdebugger.XSourcePosition;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
public class DebuggerContextUtil {
public static void setStackFrame(DebuggerStateManager manager, final StackFrameProxyImpl stackFrame) {
ApplicationManager.getApplication().assertIsDispatchThread();
final DebuggerContextImpl context = manager.getContext();
if(context == null) {
return;
}
final DebuggerSession session = context.getDebuggerSession();
SuspendContextImpl threadSuspendContext = SuspendManagerUtil.getSuspendContextForThread(context.getSuspendContext(), stackFrame.threadProxy());
final DebuggerContextImpl newContext = DebuggerContextImpl.createDebuggerContext(session, threadSuspendContext, stackFrame.threadProxy(), stackFrame);
manager.setState(newContext, session != null? session.getState() : DebuggerSession.STATE_DISPOSED, DebuggerSession.EVENT_REFRESH, null);
}
public static void setThread(DebuggerStateManager contextManager, ThreadDescriptorImpl item) {
ApplicationManager.getApplication().assertIsDispatchThread();
final DebuggerContextImpl context = contextManager.getContext();
if(context == null) {
return;
}
final DebuggerSession session = context.getDebuggerSession();
final DebuggerContextImpl newContext = DebuggerContextImpl.createDebuggerContext(session, item.getSuspendContext(), item.getThreadReference(), null);
contextManager.setState(newContext, session != null? session.getState() : DebuggerSession.STATE_DISPOSED, DebuggerSession.EVENT_CONTEXT, null);
}
public static DebuggerContextImpl createDebuggerContext(@NotNull DebuggerSession session, SuspendContextImpl suspendContext){
return DebuggerContextImpl.createDebuggerContext(session, suspendContext, suspendContext != null ? suspendContext.getThread() : null, null);
}
public static SourcePosition findNearest(@NotNull DebuggerContextImpl context, @NotNull PsiElement psi, @NotNull PsiFile file) {
final DebuggerSession session = context.getDebuggerSession();
if (session != null) {
try {
final XDebugSession debugSession = session.getXDebugSession();
if (debugSession != null) {
final XSourcePosition position = debugSession.getCurrentPosition();
Editor editor = ((FileEditorManagerImpl)FileEditorManager.getInstance(file.getProject())).getSelectedTextEditor(true);
//final Editor editor = fileEditor instanceof TextEditorImpl ? ((TextEditorImpl)fileEditor).getEditor() : null;
if (editor != null && position != null && file.getVirtualFile().equals(position.getFile())) {
final Couple<Collection<TextRange>> usages = IdentifierHighlighterPass.getHighlightUsages(psi, file);
final List<TextRange> ranges = new ArrayList<TextRange>();
ranges.addAll(usages.first);
ranges.addAll(usages.second);
final int breakPointLine = position.getLine();
int bestLine = -1;
boolean hasSameLine = false;
for (TextRange range : ranges) {
final int line = editor.offsetToLogicalPosition(range.getStartOffset()).line;
if (line > bestLine && line < breakPointLine) {
bestLine = line;
} else if (line == breakPointLine) {
hasSameLine = true;
}
}
if (bestLine > 0) {
if (hasSameLine && breakPointLine - bestLine > 4) {
return SourcePosition.createFromLine(file, breakPointLine);
}
return SourcePosition.createFromLine(file, bestLine);
}
}
}
}
catch (Exception ignore) {
}
}
return SourcePosition.createFromOffset(file, psi.getTextOffset());
}
}
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