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diff graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/DSLExpressionGenerator.java @ 20939:f83fd99b2962

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Truffle-DSL: add support for null literals.
author Christian Humer <christian.humer@gmail.com>
date Tue, 14 Apr 2015 15:12:48 +0200
parents 62c43fcf5be2
children
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line diff
--- a/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/DSLExpressionGenerator.java	Tue Apr 14 15:12:48 2015 +0200
+++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/DSLExpressionGenerator.java	Tue Apr 14 15:12:48 2015 +0200
@@ -25,6 +25,7 @@
 import java.util.*;
 
 import javax.lang.model.element.*;
+import javax.lang.model.type.*;
 
 import com.oracle.truffle.dsl.processor.expression.*;
 import com.oracle.truffle.dsl.processor.expression.DSLExpression.Binary;
@@ -97,7 +98,9 @@
     public void visitVariable(Variable variable) {
         VariableElement resolvedVariable = variable.getResolvedVariable();
         CodeTree tree;
-        if (variable.getReceiver() == null) {
+        if (variable.getResolvedType().getKind() == TypeKind.NULL) {
+            tree = CodeTreeBuilder.singleString("null");
+        } else if (variable.getReceiver() == null) {
 
             if (isStatic(resolvedVariable)) {
                 tree = staticReference(resolvedVariable);