--- /dev/null
+package org.simantics.scl.compiler.constants;
+
+import org.cojen.classfile.TypeDesc;
+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 IntegerConstant extends Constant {
+ public static final IntegerConstant ZERO = new IntegerConstant(0);
+ public static final IntegerConstant ONE = new IntegerConstant(1);
+ public static final IntegerConstant MINUS_ONE = new IntegerConstant(-1);
+
+ int value;
+
+ public IntegerConstant(int value) {
+ super(Types.INTEGER);
+ this.value = value;
+ }
+
+ @Override
+ public void push(MethodBuilder mb) {
+ mb.loadConstant(value);
+ }
+
+ @Override
+ public String toString() {
+ return String.valueOf(value);
+ }
+
+ public int getValue() {
+ return value;
+ }
+
+ @Override
+ public int hashCode() {
+ return value;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ IntegerConstant other = (IntegerConstant) obj;
+ if (value != other.value)
+ return false;
+ return true;
+ }
+
+ @Override
+ public void deconstruct(MethodBuilder mb, IVal parameter, Cont success,
+ Label failure) {
+ mb.push(parameter, Types.INTEGER);
+ mb.loadConstant(value);
+ mb.ifComparisonBranch(failure, "!=", TypeDesc.INT);
+ mb.jump(success);
+ }
+
+ @Override
+ public int constructorTag() {
+ return 0;
+ }
+
+ @Override
+ public Object realizeValue(TransientClassBuilder classBuilder) {
+ return value;
+ }
+}