-package org.simantics.scl.compiler.constants.singletons;\r
-\r
-import org.cojen.classfile.TypeDesc;\r
-import org.objectweb.asm.Label;\r
-import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;\r
-import org.simantics.scl.compiler.constants.FunctionValue;\r
-import org.simantics.scl.compiler.constants.GetPrimitiveConstant;\r
-import org.simantics.scl.compiler.constants.LocalVariableConstant;\r
-import org.simantics.scl.compiler.constants.NoRepConstant;\r
-import org.simantics.scl.compiler.internal.codegen.continuations.Cont;\r
-import org.simantics.scl.compiler.internal.codegen.references.IVal;\r
-import org.simantics.scl.compiler.internal.codegen.references.Val;\r
-import org.simantics.scl.compiler.internal.codegen.types.JavaTypeTranslator;\r
-import org.simantics.scl.compiler.internal.codegen.utils.LocalVariable;\r
-import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilder;\r
-import org.simantics.scl.compiler.types.TVar;\r
-import org.simantics.scl.compiler.types.Type;\r
-import org.simantics.scl.compiler.types.Types;\r
-import org.simantics.scl.compiler.types.exceptions.MatchException;\r
-import org.simantics.scl.compiler.types.kinds.Kinds;\r
-\r
-public class JustConstant extends FunctionValue {\r
- \r
- private static final TVar A = Types.var(Kinds.STAR);\r
- public static final JustConstant INSTANCE = new JustConstant();\r
- \r
- private JustConstant() {\r
- super(new TVar[] {A}, Types.NO_EFFECTS, Types.apply(Types.MAYBE, A), A);\r
- }\r
- \r
- @Override\r
- public Type applyExact(MethodBuilder mb, Val[] parameters) { \r
- parameters[0].push(mb);\r
- mb.box(parameters[0].getType());\r
- return getReturnType();\r
- }\r
- \r
- @Override\r
- public void deconstruct(MethodBuilder mb, IVal parameter,\r
- Cont success, Label failure) {\r
- Type componentType;\r
- try {\r
- componentType = Types.matchApply(Types.MAYBE, parameter.getType());\r
- } catch (MatchException e) {\r
- throw new InternalCompilerError();\r
- }\r
- TypeDesc componentTypeDesc =\r
- mb.getJavaTypeTranslator().toTypeDesc(componentType);\r
- \r
- if(failure == null) {\r
- IVal val = componentTypeDesc.isPrimitive() \r
- ? new GetPrimitiveConstant(componentType, parameter, componentTypeDesc)\r
- : parameter;\r
- mb.jump(success, val);\r
- }\r
- else {\r
- Label failureLabel = mb.createLabel();\r
- \r
- parameter.push(mb);\r
- mb.dup();\r
- mb.ifNullBranch(failureLabel, true);\r
- \r
- if(componentTypeDesc.equals(TypeDesc.VOID)) {\r
- mb.pop();\r
- mb.jump(success, new NoRepConstant(componentType));\r
- }\r
- else {\r
- if(componentTypeDesc.isPrimitive())\r
- mb.convert(JavaTypeTranslator.toObjectType(componentTypeDesc), componentTypeDesc);\r
- \r
- LocalVariable lv = mb.createLocalVariable("temp", componentTypeDesc);\r
- mb.storeLocal(lv);\r
- \r
- mb.jump(success, new LocalVariableConstant(componentType, lv));\r
- }\r
- \r
- //\r
- mb.setLocation(failureLabel);\r
- mb.pop();\r
- mb.branch(failure);\r
- }\r
- }\r
- public int constructorTag() {\r
- return 1;\r
- }\r
- @Override\r
- public String toString() {\r
- return "Just";\r
- }\r
+package org.simantics.scl.compiler.constants.singletons;
+
+import org.cojen.classfile.TypeDesc;
+import org.objectweb.asm.Label;
+import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;
+import org.simantics.scl.compiler.constants.FunctionValue;
+import org.simantics.scl.compiler.constants.GetPrimitiveConstant;
+import org.simantics.scl.compiler.constants.LocalVariableConstant;
+import org.simantics.scl.compiler.constants.NoRepConstant;
+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.references.Val;
+import org.simantics.scl.compiler.internal.codegen.types.JavaTypeTranslator;
+import org.simantics.scl.compiler.internal.codegen.utils.LocalVariable;
+import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilder;
+import org.simantics.scl.compiler.types.TVar;
+import org.simantics.scl.compiler.types.Type;
+import org.simantics.scl.compiler.types.Types;
+import org.simantics.scl.compiler.types.exceptions.MatchException;
+import org.simantics.scl.compiler.types.kinds.Kinds;
+
+public class JustConstant extends FunctionValue {
+
+ private static final TVar A = Types.var(Kinds.STAR);
+ public static final JustConstant INSTANCE = new JustConstant();
+
+ private JustConstant() {
+ super(new TVar[] {A}, Types.NO_EFFECTS, Types.apply(Types.MAYBE, A), A);
+ }
+
+ @Override
+ public Type applyExact(MethodBuilder mb, Val[] parameters) {
+ parameters[0].push(mb);
+ mb.box(parameters[0].getType());
+ return getReturnType();
+ }
+
+ @Override
+ public void deconstruct(MethodBuilder mb, IVal parameter,
+ Cont success, Label failure) {
+ Type componentType;
+ try {
+ componentType = Types.matchApply(Types.MAYBE, parameter.getType());
+ } catch (MatchException e) {
+ throw new InternalCompilerError();
+ }
+ TypeDesc componentTypeDesc =
+ mb.getJavaTypeTranslator().toTypeDesc(componentType);
+
+ if(failure == null) {
+ IVal val = componentTypeDesc.isPrimitive()
+ ? new GetPrimitiveConstant(componentType, parameter, componentTypeDesc)
+ : parameter;
+ mb.jump(success, val);
+ }
+ else {
+ Label failureLabel = mb.createLabel();
+
+ parameter.push(mb);
+ mb.dup();
+ mb.ifNullBranch(failureLabel, true);
+
+ if(componentTypeDesc.equals(TypeDesc.VOID)) {
+ mb.pop();
+ mb.jump(success, new NoRepConstant(componentType));
+ }
+ else {
+ if(componentTypeDesc.isPrimitive())
+ mb.convert(JavaTypeTranslator.toObjectType(componentTypeDesc), componentTypeDesc);
+
+ LocalVariable lv = mb.createLocalVariable("temp", componentTypeDesc);
+ mb.storeLocal(lv);
+
+ mb.jump(success, new LocalVariableConstant(componentType, lv));
+ }
+
+ //
+ mb.setLocation(failureLabel);
+ mb.pop();
+ mb.branch(failure);
+ }
+ }
+ public int constructorTag() {
+ return 1;
+ }
+ @Override
+ public String toString() {
+ return "Just";
+ }
}
\ No newline at end of file
Code Review / simantics / platform.git / blobdiff