Examples with MaybeReturnInstruction org.jetbrains.plugins.groovy.lang.psi.controlFlow.impl.MaybeReturnInstruction used on opensource projects

Example 1 with MaybeReturnInstruction

use of org.jetbrains.plugins.groovy.lang.psi.controlFlow.impl.MaybeReturnInstruction in project intellij-community by JetBrains.

the class ControlFlowUtils method visitAllExitPointsInner.

private static boolean visitAllExitPointsInner(Instruction last, Instruction first, boolean[] visited, ExitPointVisitor visitor) {
    if (first == last)
        return true;
    if (last instanceof AfterCallInstruction) {
        visited[last.num()] = true;
        return visitAllExitPointsInner(((AfterCallInstruction) last).myCall, first, visited, visitor);
    }
    if (last instanceof MaybeReturnInstruction) {
        return visitor.visitExitPoint(last, (GrExpression) last.getElement());
    } else if (last instanceof IfEndInstruction) {
        visited[last.num()] = true;
        for (Instruction instruction : last.allPredecessors()) {
            if (!visitAllExitPointsInner(instruction, first, visited, visitor))
                return false;
        }
        return true;
    } else if (last instanceof ThrowingInstruction) {
        PsiElement element = last.getElement();
        if (!(element instanceof GrThrowStatement || element instanceof GrAssertStatement))
            return true;
    }
    PsiElement element = last.getElement();
    if (element != null) {
        final GrExpression returnValue;
        if (element instanceof GrReturnStatement) {
            returnValue = ((GrReturnStatement) element).getReturnValue();
        } else if (element instanceof GrExpression && PsiUtil.isExpressionStatement(element)) {
            returnValue = (GrExpression) element;
        } else {
            returnValue = null;
        }
        return visitor.visitExitPoint(last, returnValue);
    }
    visited[last.num()] = true;
    for (Instruction pred : last.allPredecessors()) {
        if (!visited[pred.num()]) {
            if (!visitAllExitPointsInner(pred, first, visited, visitor))
                return false;
        }
    }
    return true;
}