@Override
public void visitConditionalExpression(GrConditionalExpression expression) {
GrExpression condition = expression.getCondition();
GrExpression thenBranch = expression.getThenBranch();
GrExpression elseBranch = expression.getElseBranch();
condition.accept(this);
InstructionImpl conditionEnd = myHead;
List<GotoInstruction> negations = collectAndRemoveAllPendingNegations(expression);
if (thenBranch != null) {
thenBranch.accept(this);
handlePossibleReturn(thenBranch);
addPendingEdge(expression, myHead);
}
if (elseBranch != null) {
InstructionImpl head = reduceAllNegationsIntoInstruction(expression, negations);
myHead = head != null ? head : conditionEnd;
elseBranch.accept(this);
handlePossibleReturn(elseBranch);
}
}
private static boolean conditionalExpressionsAreEquivalent(
@NotNull GrConditionalExpression condExp1, @NotNull GrConditionalExpression condExp2) {
final GrExpression condition1 = condExp1.getCondition();
final GrExpression condition2 = condExp2.getCondition();
final GrExpression thenExpression1 = condExp1.getThenBranch();
final GrExpression thenExpression2 = condExp2.getThenBranch();
final GrExpression elseExpression1 = condExp1.getElseBranch();
final GrExpression elseExpression2 = condExp2.getElseBranch();
return expressionsAreEquivalent(condition1, condition2)
&& expressionsAreEquivalent(thenExpression1, thenExpression2)
&& expressionsAreEquivalent(elseExpression1, elseExpression2);
}