/*
* Copyright 2000-2013 JetBrains s.r.o.
* Copyright 2014-2015 AS3Boyan
* Copyright 2014-2014 Elias Ku
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.plugins.haxe.model.type;
import com.intellij.lang.ASTNode;
import com.intellij.psi.PsiElement;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.tree.TokenSet;
public class HaxeOperatorResolver {
static public SpecificTypeReference getBinaryOperatorResult(
PsiElement elementContext,
SpecificTypeReference left,
SpecificTypeReference right,
String operator,
HaxeExpressionEvaluatorContext context
) {
if (!HaxeTypeCompatible.canApplyBinaryOperator(left, right, operator)) {
context.addError(
elementContext,
"Can't apply operator " + operator + " for types " + left + " and " + right
);
}
SpecificTypeReference result = result = HaxeTypeUnifier.unify(left, right, context.root);
if (operator.equals("/")) result = SpecificHaxeClassReference.primitive("Float", elementContext, null);
if (operator.equals("+")) {
if (left.toStringWithoutConstant().equals("String") || right.toStringWithoutConstant().equals("String")) {
return SpecificHaxeClassReference.primitive("String", elementContext);
}
}
if (
operator.equals("==") || operator.equals("!=") ||
operator.equals("<") || operator.equals("<=") ||
operator.equals(">") || operator.equals(">=")
) {
result = SpecificHaxeClassReference.primitive("Bool", elementContext, null);
}
// @TODO: Check operator overloading
if (left.getConstant() != null && right.getConstant() != null) {
result = result.withConstantValue(HaxeTypeUtils.applyBinOperator(left.getConstant(), right.getConstant(), operator));
}
return result;
}
}