Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / elaboration / expressions / ELambdaType.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/ELambdaType.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/ELambdaType.java
new file mode 100755 (executable)
index 0000000..a1505e0
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/ELambdaType.java
@@ -0,0 +1,129 @@
+package org.simantics.scl.compiler.elaboration.expressions;\r
+\r
+import gnu.trove.map.hash.TObjectIntHashMap;\r
+import gnu.trove.set.hash.THashSet;\r
+import gnu.trove.set.hash.TIntHashSet;\r
+\r
+import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;\r
+import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;\r
+import org.simantics.scl.compiler.elaboration.contexts.SimplificationContext;\r
+import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;\r
+import org.simantics.scl.compiler.elaboration.contexts.TypingContext;\r
+import org.simantics.scl.compiler.environment.Environment;\r
+import org.simantics.scl.compiler.errors.Locations;\r
+import org.simantics.scl.compiler.internal.codegen.references.IVal;\r
+import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;\r
+import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;\r
+import org.simantics.scl.compiler.internal.interpreted.IExpression;\r
+import org.simantics.scl.compiler.top.ExpressionInterpretationContext;\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
+\r
+public class ELambdaType extends Expression {\r
+    public TVar[] parameters;\r
+    public Expression value;\r
+    \r
+    public ELambdaType(TVar[] parameters, Expression value) {\r
+        super(value.getLocation());\r
+        this.parameters = parameters;\r
+        this.value = value;\r
+    }\r
+\r
+       public void collectRefs(TObjectIntHashMap<Object> allRefs, TIntHashSet refs) {\r
+        value.collectRefs(allRefs, refs);\r
+    }\r
+       \r
+       @Override\r
+       public void collectVars(TObjectIntHashMap<Variable> allVars,\r
+               TIntHashSet vars) {\r
+           value.collectVars(allVars, vars);\r
+       }\r
+       \r
+       @Override\r
+       protected void updateType() throws MatchException {\r
+           setType(Types.forAll(parameters, value.getType()));\r
+       }\r
+\r
+       @Override\r
+    public IVal toVal(Environment env, CodeWriter w) {\r
+        return lambdaToVal(env, w);\r
+    }\r
+\r
+    @Override\r
+    public void collectFreeVariables(THashSet<Variable> vars) {\r
+        value.collectFreeVariables(vars);\r
+    }\r
+\r
+    @Override\r
+    public Expression simplify(SimplificationContext context) {\r
+        value = value.simplify(context);\r
+        return this;\r
+    }\r
+\r
+    @Override\r
+    public Expression resolve(TranslationContext context) {\r
+        value = value.resolve(context);\r
+        return this;\r
+    }\r
+\r
+    @Override\r
+    public Expression replace(ReplaceContext context) {\r
+        TVar[] newParameters = new TVar[parameters.length];\r
+        for(int i=0;i<parameters.length;++i) {\r
+            TVar var = Types.var(parameters[i].getKind());\r
+            newParameters[i] = var;\r
+            context.tvarMap.put(parameters[i], var);\r
+        }\r
+            \r
+        ELambdaType result = new ELambdaType(newParameters, value.replace(context));\r
+        for(int i=0;i<parameters.length;++i)\r
+            context.tvarMap.remove(parameters[i]);\r
+        return result;\r
+    }\r
+    \r
+    @Override\r
+    public IExpression toIExpression(ExpressionInterpretationContext target) {\r
+        return value.toIExpression(target);\r
+    }\r
+    \r
+    @Override\r
+    public Expression inferType(TypingContext context) {\r
+        throw new InternalCompilerError("Should not type check " + getClass().getSimpleName() + ".");\r
+    }\r
+    \r
+    @Override\r
+    public Expression decorate(ExpressionDecorator decorator) {\r
+        value = value.decorate(decorator);\r
+        return decorator.decorate(this);\r
+    }\r
+\r
+    @Override\r
+    public void collectEffects(THashSet<Type> effects) {\r
+    }\r
+    \r
+    @Override\r
+    public void setLocationDeep(long loc) {\r
+        if(location == Locations.NO_LOCATION) {\r
+            location = loc;\r
+            value.setLocationDeep(loc);\r
+        }\r
+    }\r
+    \r
+    @Override\r
+    public void accept(ExpressionVisitor visitor) {\r
+        visitor.visit(this);\r
+    }\r
+\r
+    @Override\r
+    public void forVariables(VariableProcedure procedure) {\r
+        value.forVariables(procedure);\r
+    }\r
+    \r
+    @Override\r
+    public Expression accept(ExpressionTransformer transformer) {\r
+        return transformer.transform(this);\r
+    }\r
+\r
+}\r