private void selectOnColonExpression(ModuleDeclaration parsedUnit, RubyColonExpression node) {
BasicContext basicContext = new BasicContext(sourceModule, parsedUnit);
ColonExpressionEvaluator evaluator =
new ColonExpressionEvaluator(new ExpressionTypeGoal(basicContext, node));
IGoal[] init = evaluator.init();
if (init == null || init.length == 0) {
// should never be here
// System.err.println("Why did ColonExpressionEvaluator evaluated so
// fast?");
} else {
IEvaluatedType leftType = inferencer.evaluateType((AbstractTypeGoal) init[0], -1);
IGoal[] goals = evaluator.subGoalDone(init[0], leftType, GoalState.DONE);
if (goals == null || goals.length == 0) { // good, we have
// type-constant
Object evaluatedType = evaluator.produceResult();
if (evaluatedType instanceof RubyClassType) {
RubyMixinClass mixinClass = mixinModel.createRubyClass((RubyClassType) evaluatedType);
if (mixinClass != null)
addArrayToCollection(mixinClass.getSourceTypes(), selectionElements);
}
} else {
if (goals[0] instanceof NonTypeConstantTypeGoal) {
processNonTypeConstant((NonTypeConstantTypeGoal) (goals[0]));
}
}
}
}
private IType[] getSourceTypesForClass(ModuleDeclaration parsedUnit, ASTNode statement) {
ExpressionTypeGoal typeGoal =
new ExpressionTypeGoal(new BasicContext(sourceModule, parsedUnit), statement);
IEvaluatedType evaluatedType = this.inferencer.evaluateType(typeGoal, 5000);
if (evaluatedType instanceof RubyClassType) {
RubyMixinClass mixinClass = mixinModel.createRubyClass((RubyClassType) evaluatedType);
if (mixinClass != null) return mixinClass.getSourceTypes();
}
return new IType[0];
}
private void selectOnSuper(ModuleDeclaration parsedUnit, RubySuperExpression superExpr) {
RubyClassType selfClass =
RubyTypeInferencingUtils.determineSelfClass(
mixinModel, sourceModule, parsedUnit, superExpr.sourceStart());
MethodDeclaration enclosingMethod = ASTUtils.getEnclosingMethod(wayToNode, superExpr, false);
if (enclosingMethod != null) {
String name = enclosingMethod.getName();
RubyMixinClass rubyClass = mixinModel.createRubyClass(selfClass);
RubyMixinClass superclass = rubyClass.getSuperclass();
RubyMixinMethod method = superclass.getMethod(name);
if (method != null) {
IMethod[] sourceMethods = method.getSourceMethods();
addArrayToCollection(sourceMethods, selectionElements);
}
}
}
private void selectOnConstant(ModuleDeclaration parsedUnit, ConstantReference node) {
BasicContext basicContext = new BasicContext(sourceModule, parsedUnit);
ConstantReferenceEvaluator evaluator =
new ConstantReferenceEvaluator(new ExpressionTypeGoal(basicContext, node));
IGoal[] init = evaluator.init();
if (init == null || init.length == 0) {
Object evaluatedType = evaluator.produceResult();
if (evaluatedType instanceof RubyClassType) {
RubyMixinClass mixinClass = mixinModel.createRubyClass((RubyClassType) evaluatedType);
if (mixinClass != null)
addArrayToCollection(mixinClass.getSourceTypes(), selectionElements);
}
} else if (init[0] instanceof NonTypeConstantTypeGoal) {
// it'a non-type constant
processNonTypeConstant((NonTypeConstantTypeGoal) init[0]);
}
}
@Override
public IModelElement[] select(
IModuleSource sourceUnit, int selectionSourceStart, int selectionSourceEnd) {
sourceModule = (ISourceModule) sourceUnit.getModelElement();
mixinModel = RubyMixinModel.getInstance(sourceModule.getScriptProject());
String source = sourceUnit.getSourceContents();
if (DEBUG) {
System.out.print("SELECTION IN "); // $NON-NLS-1$
System.out.print(sourceUnit.getFileName());
System.out.print(" FROM "); // $NON-NLS-1$
System.out.print(selectionSourceStart);
System.out.print(" TO "); // $NON-NLS-1$
System.out.println(selectionSourceEnd);
System.out.println("SELECTION - Source :"); // $NON-NLS-1$
System.out.println(source);
}
if (!checkSelection(source, selectionSourceStart, selectionSourceEnd)) {
return new IModelElement[0];
}
actualSelectionEnd--; // inclusion fix
if (DEBUG) {
System.out.print("SELECTION - Checked : \""); // $NON-NLS-1$
System.out.print(source.substring(actualSelectionStart, actualSelectionEnd + 1));
System.out.println('"');
}
try {
ModuleDeclaration parsedUnit = this.parser.parse(sourceUnit);
if (parsedUnit != null) {
if (DEBUG) {
System.out.println("SELECTION - AST :"); // $NON-NLS-1$
System.out.println(parsedUnit.toString());
}
ASTNode node =
ASTUtils.findMinimalNode(parsedUnit, actualSelectionStart, actualSelectionEnd);
if (node == null) return new IModelElement[0];
this.wayToNode = ASTUtils.restoreWayToNode(parsedUnit, node);
if (node instanceof TypeDeclaration) {
selectionOnTypeDeclaration(parsedUnit, (TypeDeclaration) node);
} else if (node instanceof MethodDeclaration) {
selectionOnMethodDeclaration(parsedUnit, (MethodDeclaration) node);
} else if (node instanceof ConstantReference || node instanceof RubyColonExpression) {
selectTypes(parsedUnit, node);
} else if (node instanceof VariableReference) {
selectionOnVariable(parsedUnit, (VariableReference) node);
} else if (node instanceof RubyMethodArgument) {
selectOnMethodArgument(parsedUnit, (RubyMethodArgument) node);
} else if (node instanceof RubySuperExpression) {
selectOnSuper(parsedUnit, (RubySuperExpression) node);
} else {
CallExpression parentCall = this.getEnclosingCallNode(node);
if (parentCall != null) {
selectOnMethod(parsedUnit, parentCall);
} else { // parentCall == null
}
}
}
} catch (IndexOutOfBoundsException e) { // work-around internal failure
RubyPlugin.log(e);
}
return selectionElements.toArray(new IModelElement[selectionElements.size()]);
}