Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / constants / BooleanConstant.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/BooleanConstant.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/BooleanConstant.java
new file mode 100644 (file)
index 0000000..89a902e
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/BooleanConstant.java
@@ -0,0 +1,50 @@
+package org.simantics.scl.compiler.constants;
+
+
+import org.objectweb.asm.Label;
+import org.simantics.scl.compiler.internal.codegen.continuations.Cont;
+import org.simantics.scl.compiler.internal.codegen.references.IVal;
+import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilder;
+import org.simantics.scl.compiler.internal.codegen.utils.TransientClassBuilder;
+import org.simantics.scl.compiler.types.Types;
+
+public class BooleanConstant extends Constant {
+    boolean value;
+
+    public BooleanConstant(boolean value) {
+        super(Types.BOOLEAN);
+        this.value = value;
+    }
+    
+    public boolean getValue() {
+        return value;
+    }
+    
+    @Override
+    public void push(MethodBuilder mb) {
+        mb.loadConstant(value);
+    }
+    
+    @Override
+    public String toString() {
+        return String.valueOf(value);
+    }
+    
+    @Override
+    public void deconstruct(MethodBuilder mb, IVal parameter, Cont success,
+            Label failure) {
+        mb.push(parameter, Types.BOOLEAN);
+        mb.ifZeroComparisonBranch(failure, value ? "==" : "!=");
+        mb.jump(success);
+    }
+    
+    @Override
+    public int constructorTag() {
+        return 0;
+    }
+
+    @Override
+    public Object realizeValue(TransientClassBuilder classBuilder) {
+        return value;
+    }
+}