/*
* Copyright 2010-2017 JetBrains s.r.o.
*
* 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 org.jetbrains.kotlin.js.translate.operation;
import org.jetbrains.kotlin.js.backend.ast.
JsBinaryOperation;
import org.jetbrains.kotlin.js.backend.ast.
JsExpression;
import com.intellij.psi.tree.
IElementType;
import org.jetbrains.annotations.
NotNull;
import org.jetbrains.kotlin.descriptors.
FunctionDescriptor;
import org.jetbrains.kotlin.js.translate.callTranslator.
CallTranslator;
import org.jetbrains.kotlin.js.translate.context.
TranslationContext;
import org.jetbrains.kotlin.js.translate.utils.
JsAstUtils;
import org.jetbrains.kotlin.js.translate.utils.
TranslationUtils;
import org.jetbrains.kotlin.lexer.
KtTokens;
import org.jetbrains.kotlin.psi.
KtConstantExpression;
import org.jetbrains.kotlin.psi.
KtExpression;
import org.jetbrains.kotlin.psi.
KtUnaryExpression;
import org.jetbrains.kotlin.resolve.calls.callUtil.
CallUtilKt;
import org.jetbrains.kotlin.resolve.calls.model.
ResolvedCall;
import org.jetbrains.kotlin.resolve.constants.
CompileTimeConstant;
import org.jetbrains.kotlin.resolve.constants.evaluate.
ConstantExpressionEvaluator;
import static org.jetbrains.kotlin.js.translate.general.
Translation.translateAsExpression;
import static org.jetbrains.kotlin.js.translate.utils.
BindingUtils.getCompileTimeValue;
import static org.jetbrains.kotlin.js.translate.utils.
ErrorReportingUtils.message;
import static org.jetbrains.kotlin.js.translate.utils.
PsiUtils.getBaseExpression;
import static org.jetbrains.kotlin.js.translate.utils.
PsiUtils.getOperationToken;
import static org.jetbrains.kotlin.js.translate.utils.
TranslationUtils.*;
public final class
UnaryOperationTranslator {
private
UnaryOperationTranslator() {
}
@
NotNull
public static
JsExpression translate(
@
NotNull KtUnaryExpression expression,
@
NotNull TranslationContext context
) {
IElementType operationToken =
expression.
getOperationReference().
getReferencedNameElementType();
if (
operationToken ==
KtTokens.
EXCLEXCL) {
KtExpression baseExpression =
getBaseExpression(
expression);
JsExpression translatedExpression =
translateAsExpression(
baseExpression,
context);
return
sure(
baseExpression,
translatedExpression,
context);
}
if (
operationToken ==
KtTokens.
MINUS) {
KtExpression baseExpression =
getBaseExpression(
expression);
if (
baseExpression instanceof
KtConstantExpression) {
CompileTimeConstant<?>
compileTimeValue =
ConstantExpressionEvaluator.
getConstant(
expression,
context.
bindingContext());
assert
compileTimeValue != null :
message(
expression, "Expression is not compile time value: " +
expression.
getText() + " ");
Object value =
getCompileTimeValue(
context.
bindingContext(),
expression,
compileTimeValue);
if (
value instanceof
Long) {
return
JsAstUtils.
newLong((
Long)
value);
}
}
}
if (
IncrementTranslator.
isIncrement(
operationToken)) {
return
IncrementTranslator.
translate(
expression,
context);
}
JsExpression baseExpression =
TranslationUtils.
translateBaseExpression(
context,
expression);
if (
isExclForBinaryEqualLikeExpr(
expression,
baseExpression)) {
return
translateExclForBinaryEqualLikeExpr((
JsBinaryOperation)
baseExpression);
}
ResolvedCall<? extends
FunctionDescriptor>
resolvedCall =
CallUtilKt.
getFunctionResolvedCallWithAssert(
expression,
context.
bindingContext());
return
CallTranslator.
translate(
context,
resolvedCall,
baseExpression);
}
private static boolean
isExclForBinaryEqualLikeExpr(@
NotNull KtUnaryExpression expression, @
NotNull JsExpression baseExpression) {
if (
getOperationToken(
expression).
equals(
KtTokens.
EXCL)) {
if (
baseExpression instanceof
JsBinaryOperation) {
return
isEqualLikeOperator(((
JsBinaryOperation)
baseExpression).
getOperator());
}
}
return false;
}
}