git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7817 75d07b2b-3a1a-0410-a2c5-0572b91ccdca3.0
rem..om
14 years ago
parent
cdd882ae23
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package com.jme3.gde.codecheck.hints; |
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import com.sun.source.tree.MethodTree; |
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import com.sun.source.tree.StatementTree; |
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import com.sun.source.tree.Tree; |
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import com.sun.source.tree.Tree.Kind; |
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import com.sun.source.util.SourcePositions; |
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import com.sun.source.util.TreePath; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.EnumSet; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Set; |
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import javax.lang.model.element.Element; |
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import javax.swing.text.Document; |
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import javax.swing.text.JTextComponent; |
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import org.netbeans.api.editor.EditorRegistry; |
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import org.netbeans.api.java.source.CompilationInfo; |
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import org.netbeans.modules.java.hints.spi.AbstractHint; |
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import org.netbeans.spi.editor.hints.ChangeInfo; |
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import org.netbeans.spi.editor.hints.EnhancedFix; |
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import org.netbeans.spi.editor.hints.ErrorDescription; |
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import org.netbeans.spi.editor.hints.ErrorDescriptionFactory; |
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import org.netbeans.spi.editor.hints.Fix; |
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import org.openide.awt.StatusDisplayer; |
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public class TempVarsHint extends AbstractHint { |
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//This hint does not enable the IDE to fix the problem:
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private static final List<Fix> NO_FIXES = Collections.<Fix>emptyList(); |
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//This hint applies to method invocations:
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private static final Set<Tree.Kind> TREE_KINDS = |
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EnumSet.<Tree.Kind>of(Tree.Kind.METHOD); |
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private List<varsPosition> vars = new ArrayList<varsPosition>(); |
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public TempVarsHint() { |
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super(true, true, AbstractHint.HintSeverity.WARNING); |
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} |
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//Specify the kind of code that the hint applies to, in this case,
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//the hint applies to method invocations:
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@Override |
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public Set<Kind> getTreeKinds() { |
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return TREE_KINDS; |
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} |
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@Override |
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public List<ErrorDescription> run(CompilationInfo info, TreePath treePath) { |
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MethodTree mt = (MethodTree) treePath.getLeaf(); |
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vars.clear(); |
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if (mt.getBody() != null) { |
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for (StatementTree t : mt.getBody().getStatements()) { |
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if (t.getKind().equals(Tree.Kind.VARIABLE)) { |
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Element el = info.getTrees().getElement(info.getTrees().getPath(info.getCompilationUnit(), t)); |
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String name = t.toString(); |
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//This is where it all happens: if the method invocation is 'showMessageDialog',
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//then the hint infrastructure kicks into action:
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if (name.indexOf("TempVars.get()") >= 0) { |
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SourcePositions sp = info.getTrees().getSourcePositions(); |
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int start = (int) sp.getStartPosition(info.getCompilationUnit(), t); |
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int end = (int) sp.getEndPosition(info.getCompilationUnit(), t); |
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vars.add(new varsPosition(el.getSimpleName().toString(), start, end)); |
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// System.err.println("TempVars.get() at " + start + " " + end+" for variable "+el.getSimpleName().toString());
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} |
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} |
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if (t.getKind().equals(Tree.Kind.EXPRESSION_STATEMENT) && !vars.isEmpty()) { |
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Element el = info.getTrees().getElement(treePath); |
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String name = t.toString(); |
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if (name.indexOf(".release()") >= 0) { |
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for (Iterator<varsPosition> it = vars.iterator(); it.hasNext();) { |
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varsPosition curVar = it.next(); |
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//This is where it all happens: if the method invocation is 'showMessageDialog',
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//then the hint infrastructure kicks into action:
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if (name.indexOf(curVar.varName + ".release()") >= 0) { |
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//prepare selection for removing
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it.remove(); |
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// SourcePositions sp = info.getTrees().getSourcePositions();
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// int start = (int) sp.getStartPosition(info.getCompilationUnit(), t);
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// int end = (int) sp.getEndPosition(info.getCompilationUnit(), t);
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// System.err.println(curVar.varName + ".release() at " + start + " " + end);
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} |
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} |
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} |
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} |
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} |
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} |
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if (!vars.isEmpty()) { |
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List<ErrorDescription> list = new ArrayList<ErrorDescription>(); |
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JTextComponent editor = EditorRegistry.lastFocusedComponent(); |
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Document doc = editor.getDocument(); |
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List<Fix> fixes = new ArrayList<Fix>(); |
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SourcePositions sp = info.getTrees().getSourcePositions(); |
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int methodEnd = (int) (sp.getEndPosition(info.getCompilationUnit(), mt) - 1); |
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for (varsPosition curVar : vars) { |
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String bodyText = " "+curVar.varName + ".release();\n "; |
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fixes.clear(); |
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fixes.add(new MessagesFix(doc, methodEnd, bodyText)); |
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list.add(ErrorDescriptionFactory.createErrorDescription( |
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getSeverity().toEditorSeverity(), |
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getDisplayName(), |
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fixes, |
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info.getFileObject(), |
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curVar.start, curVar.end)); |
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} |
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return list; |
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} |
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return null; |
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} |
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//This is called if/when the hint processing is cancelled:
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@Override |
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public void cancel() { |
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} |
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//Message that the user sees in the left sidebar:
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@Override |
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public String getDisplayName() { |
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return "TempVars might not be released"; |
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} |
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//Name of the hint in the Options window:
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@Override |
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public String getId() { |
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return "TempVars release check"; |
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} |
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//Description of the hint in the Options window:
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@Override |
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public String getDescription() { |
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return "Checks for calls TempVars.get() and search for correspondinng release() call"; |
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} |
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class MessagesFix implements EnhancedFix { |
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Document doc = null; |
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int start = 0; |
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String bodyText = null; |
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public MessagesFix(Document doc, int start, String bodyText) { |
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this.doc = doc; |
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this.start = start; |
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this.bodyText = bodyText; |
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} |
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@Override |
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public CharSequence getSortText() { |
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return "charsequence"; |
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} |
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@Override |
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public String getText() { |
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return "Add a release() call at the end of the method"; |
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} |
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@Override |
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public ChangeInfo implement() throws Exception { |
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//Adding the release call
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doc.insertString(start, bodyText, null); |
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//Display message to user in status bar:
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StatusDisplayer.getDefault().setStatusText("Added: " + bodyText); |
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return null; |
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} |
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} |
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class varsPosition { |
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String varName; |
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int start; |
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int end; |
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public varsPosition(String varName, int start, int end) { |
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this.varName = varName; |
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this.end = end; |
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this.start = start; |
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} |
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} |
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} |
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