@Override
public void visitUnaryExpression(GrUnaryExpression expression) {
final GrExpression operand = expression.getOperand();
if (operand == null) return;
if (expression.getOperationTokenType() != mLNOT) {
operand.accept(this);
visitCall(expression);
return;
}
ConditionInstruction cond = new ConditionInstruction(expression);
addNodeAndCheckPending(cond);
registerCondition(cond);
operand.accept(this);
visitCall(expression);
myConditions.removeFirstOccurrence(cond);
List<GotoInstruction> negations = collectAndRemoveAllPendingNegations(expression);
InstructionImpl head = myHead;
addNodeAndCheckPending(new PositiveGotoInstruction(expression, cond));
handlePossibleReturn(expression);
addPendingEdge(expression, myHead);
if (negations.isEmpty()) {
myHead = head;
} else {
myHead = reduceAllNegationsIntoInstruction(expression, negations);
}
}
public void visitAssertStatement(GrAssertStatement assertStatement) {
final InstructionImpl assertInstruction = startNode(assertStatement);
final GrExpression assertion = assertStatement.getAssertion();
if (assertion != null) {
assertion.accept(this);
InstructionImpl positiveHead = myHead;
List<GotoInstruction> negations = collectAndRemoveAllPendingNegations(assertStatement);
if (!negations.isEmpty()) {
interruptFlow();
reduceAllNegationsIntoInstruction(assertStatement, negations);
}
GrExpression errorMessage = assertStatement.getErrorMessage();
if (errorMessage != null) {
errorMessage.accept(this);
}
addNode(new ThrowingInstruction(assertStatement));
final PsiType type =
TypesUtil.createTypeByFQClassName(
CommonClassNames.JAVA_LANG_ASSERTION_ERROR, assertStatement);
ExceptionInfo info = findCatch(type);
if (info != null) {
info.myThrowers.add(myHead);
} else {
addPendingEdge(null, myHead);
}
myHead = positiveHead;
}
finishNode(assertInstruction);
}
public void visitArgumentList(GrArgumentList list) {
List<TypeConstraint> constraints = new ArrayList<TypeConstraint>();
for (GroovyResolveResult variant : ResolveUtil.getCallVariants(list)) {
final Map<GrExpression, Pair<PsiParameter, PsiType>> map =
GrClosureSignatureUtil.mapArgumentsToParameters(
variant,
list,
true,
true,
list.getNamedArguments(),
list.getExpressionArguments(),
GrClosableBlock.EMPTY_ARRAY);
addConstraintsFromMap(constraints, map);
}
if (!constraints.isEmpty()) {
myResult = constraints.toArray(new TypeConstraint[constraints.size()]);
}
}
public void visitMethodCallExpression(GrMethodCallExpression methodCall) {
final GrExpression invokedExpression = methodCall.getInvokedExpression();
if (myExpression.equals(invokedExpression)) {
myResult =
new TypeConstraint[] {
SubtypeConstraint.create(GroovyCommonClassNames.GROOVY_LANG_CLOSURE, methodCall)
};
return;
}
final GrClosableBlock[] closureArgs = methodCall.getClosureArguments();
//noinspection SuspiciousMethodCalls
final int closureIndex = Arrays.asList(closureArgs).indexOf(myExpression);
if (closureIndex >= 0) {
List<TypeConstraint> constraints = new ArrayList<TypeConstraint>();
for (GroovyResolveResult variant : ResolveUtil.getCallVariants(myExpression)) {
final GrArgumentList argumentList = methodCall.getArgumentList();
final GrNamedArgument[] namedArgs =
argumentList == null ? GrNamedArgument.EMPTY_ARRAY : argumentList.getNamedArguments();
final GrExpression[] expressionArgs =
argumentList == null
? GrExpression.EMPTY_ARRAY
: argumentList.getExpressionArguments();
try {
final Map<GrExpression, Pair<PsiParameter, PsiType>> map =
GrClosureSignatureUtil.mapArgumentsToParameters(
variant, methodCall, true, true, namedArgs, expressionArgs, closureArgs);
addConstraintsFromMap(constraints, map);
} catch (RuntimeException e) {
LOG.error(
"call: " + methodCall.getText() + "\nsymbol: " + variant.getElement().getText(), e);
}
}
if (!constraints.isEmpty()) {
myResult = constraints.toArray(new TypeConstraint[constraints.size()]);
}
}
}
@Override
public void visitBinaryExpression(GrBinaryExpression expression) {
final GrExpression left = expression.getLeftOperand();
final GrExpression right = expression.getRightOperand();
final IElementType opType = expression.getOperationTokenType();
if (ControlFlowBuilderUtil.isInstanceOfBinary(expression)) {
expression.getLeftOperand().accept(this);
processInstanceOf(expression);
return;
}
if (opType != mLOR && opType != mLAND && opType != kIN) {
left.accept(this);
if (right != null) {
right.accept(this);
}
visitCall(expression);
return;
}
ConditionInstruction condition = new ConditionInstruction(expression);
addNodeAndCheckPending(condition);
registerCondition(condition);
left.accept(this);
if (right == null) return;
final List<GotoInstruction> negations = collectAndRemoveAllPendingNegations(expression);
visitCall(expression);
if (opType == mLAND) {
InstructionImpl head = myHead;
if (negations.isEmpty()) {
addNode(new NegatingGotoInstruction(expression, condition));
handlePossibleReturn(expression);
addPendingEdge(expression, myHead);
} else {
for (GotoInstruction negation : negations) {
myHead = negation;
handlePossibleReturn(expression);
addPendingEdge(expression, myHead);
}
}
myHead = head;
} else /*if (opType == mLOR)*/ {
final InstructionImpl instruction =
addNodeAndCheckPending(
new InstructionImpl(expression)); // collect all pending edges from left argument
handlePossibleReturn(expression);
addPendingEdge(expression, myHead);
myHead = instruction;
InstructionImpl head = reduceAllNegationsIntoInstruction(expression, negations);
if (head != null) myHead = head;
// addNode(new NegatingGotoInstruction(expression, myInstructionNumber++, condition));
}
myConditions.removeFirstOccurrence(condition);
right.accept(this);
}
