JS backend: simplify conversion to int

js/js.translator/src/org/jetbrains/k2js/translate/intrinsic/functions/factories/NumberConversionFIF.java

@@ -17,24 +17,20 @@
 package org.jetbrains.k2js.translate.intrinsic.functions.factories;
 
 import com.google.common.collect.Sets;
-import com.google.dart.compiler.backend.js.ast.JsBinaryOperation;
-import com.google.dart.compiler.backend.js.ast.JsBinaryOperator;
 import com.google.dart.compiler.backend.js.ast.JsExpression;
-import com.google.dart.compiler.backend.js.ast.JsNameRef;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.k2js.translate.context.TranslationContext;
 import org.jetbrains.k2js.translate.intrinsic.functions.basic.FunctionIntrinsic;
 import org.jetbrains.k2js.translate.intrinsic.functions.patterns.NamePredicate;
+import org.jetbrains.k2js.translate.utils.JsAstUtils;
 
 import java.util.List;
 import java.util.Set;
 
 import static org.jetbrains.jet.lang.types.expressions.OperatorConventions.*;
 import static org.jetbrains.k2js.translate.intrinsic.functions.patterns.PatternBuilder.pattern;
-import static org.jetbrains.k2js.translate.utils.JsAstUtils.assignment;
-import static org.jetbrains.k2js.translate.utils.JsAstUtils.subtract;
 
 public final class NumberConversionFIF extends CompositeFIF {
     @NotNull
@@ -81,10 +77,7 @@ public final class NumberConversionFIF extends CompositeFIF {
                 @NotNull TranslationContext context) {
             assert receiver != null;
             assert arguments.isEmpty();
-            JsNameRef toConvertReference = context.declareTemporary(null).reference();
-            JsBinaryOperation fractional =
-                    new JsBinaryOperation(JsBinaryOperator.MOD, toConvertReference, context.program().getNumberLiteral(1));
-            return subtract(assignment(toConvertReference, receiver), fractional);
+            return JsAstUtils.toInt32(receiver, context);
         }
     };
     @NotNull

js/js.translator/src/org/jetbrains/k2js/translate/intrinsic/functions/factories/PrimitiveBinaryOperationFIF.java

@@ -33,6 +33,7 @@ import org.jetbrains.k2js.translate.intrinsic.functions.basic.FunctionIntrinsic;
 import org.jetbrains.k2js.translate.intrinsic.functions.patterns.DescriptorPredicate;
 import org.jetbrains.k2js.translate.intrinsic.functions.patterns.NamePredicate;
 import org.jetbrains.k2js.translate.operation.OperatorTable;
+import org.jetbrains.k2js.translate.utils.JsAstUtils;
 
 import java.util.List;
 
@@ -71,8 +72,7 @@ public enum PrimitiveBinaryOperationFIF implements FunctionIntrinsicFactory {
             assert receiver != null;
             assert arguments.size() == 1;
             JsBinaryOperation div = new JsBinaryOperation(JsBinaryOperator.DIV, receiver, arguments.get(0));
-            JsBinaryOperation toInt32 = new JsBinaryOperation(JsBinaryOperator.BIT_OR, div, context.program().getNumberLiteral(0));
-            return toInt32;
+            return JsAstUtils.toInt32(div, context);
         }
     };
 

js/js.translator/src/org/jetbrains/k2js/translate/utils/JsAstUtils.java

@@ -117,6 +117,11 @@ public final class JsAstUtils {
         return expression instanceof JsEmptyExpression;
     }
 
+    @NotNull
+    public static JsExpression toInt32(@NotNull JsExpression expression, @NotNull TranslationContext context) {
+        return new JsBinaryOperation(JsBinaryOperator.BIT_OR, expression, context.program().getNumberLiteral(0));
+    }
+
     @NotNull
     public static JsPrefixOperation negated(@NotNull JsExpression expression) {
         return new JsPrefixOperation(JsUnaryOperator.NOT, expression);