Merged changes from feature/scl to master.

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

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/ECHRRuleset.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/ECHRRuleset.java
new file mode 100644 (file)
index 0000000..b2d3b22
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/ECHRRuleset.java
@@ -0,0 +1,117 @@
+package org.simantics.scl.compiler.elaboration.expressions;\r
+\r
+import org.simantics.scl.compiler.elaboration.chr.CHRRuleset;\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.Type;\r
+import org.simantics.scl.compiler.types.exceptions.MatchException;\r
+\r
+import gnu.trove.map.hash.TObjectIntHashMap;\r
+import gnu.trove.set.hash.THashSet;\r
+import gnu.trove.set.hash.TIntHashSet;\r
+\r
+public class ECHRRuleset extends Expression {\r
+    CHRRuleset ruleset;\r
+    Expression in;\r
+    \r
+    public ECHRRuleset(CHRRuleset ruleset, Expression in) {\r
+        this.ruleset = ruleset;\r
+        this.in = in;\r
+    }\r
+    \r
+    @Override\r
+    public void collectRefs(TObjectIntHashMap<Object> allRefs, TIntHashSet refs) {\r
+        ruleset.collectRefs(allRefs, refs);\r
+        in.collectRefs(allRefs, refs);\r
+    }\r
+    @Override\r
+    public void collectVars(TObjectIntHashMap<Variable> allVars, TIntHashSet vars) {\r
+        ruleset.collectVars(allVars, vars);\r
+        in.collectVars(allVars, vars);\r
+    }\r
+    @Override\r
+    public void forVariables(VariableProcedure procedure) {\r
+        ruleset.forVariables(procedure);\r
+        in.forVariables(procedure);\r
+    }\r
+    @Override\r
+    protected void updateType() throws MatchException {\r
+        setType(in.getType());\r
+    }\r
+    @Override\r
+    public IVal toVal(Environment env, CodeWriter w) {\r
+        ruleset.generateCode(w);\r
+        return in.toVal(env, w);\r
+    }\r
+    @Override\r
+    public void collectFreeVariables(THashSet<Variable> vars) {\r
+        ruleset.collectFreeVariables(vars);\r
+        in.collectFreeVariables(vars);\r
+    }\r
+    @Override\r
+    public Expression resolve(TranslationContext context) {\r
+        context.pushFrame();\r
+        context.pushCHRConstraintFrame();\r
+        ruleset.resolve(context);\r
+        in = in.resolve(context);\r
+        context.popCHRConstraintFrame(ruleset.constraints);\r
+        context.popFrame();\r
+        return this;\r
+    }\r
+    @Override\r
+    public void setLocationDeep(long loc) {\r
+        if(location == Locations.NO_LOCATION) {\r
+            this.location = loc;\r
+            ruleset.setLocationDeep(loc);\r
+            in.setLocationDeep(loc);\r
+        }\r
+    }\r
+    @Override\r
+    public Expression decorate(ExpressionDecorator decorator) {\r
+        in = in.decorate(decorator);\r
+        return this;\r
+    }\r
+    @Override\r
+    public void collectEffects(THashSet<Type> effects) {\r
+        ruleset.collectEffects(effects);\r
+        in.collectEffects(effects);\r
+    }\r
+    @Override\r
+    public void accept(ExpressionVisitor visitor) {\r
+        visitor.visit(this);\r
+    }\r
+    \r
+    @Override\r
+    public Expression inferType(TypingContext context) {\r
+        ruleset.checkType(context);\r
+        in = in.inferType(context);\r
+        return this;\r
+    }\r
+    \r
+    @Override\r
+    public Expression simplify(SimplificationContext context) {\r
+        ruleset.simplify(context);\r
+        ruleset.compile(context);\r
+        in = in.simplify(context);\r
+        return this;\r
+    }\r
+    \r
+    @Override\r
+    public Expression accept(ExpressionTransformer transformer) {\r
+        return transformer.transform(this);\r
+    }\r
+    \r
+    @Override\r
+    public IExpression toIExpression(ExpressionInterpretationContext context) {\r
+        throw new UnsupportedOperationException();\r
+    }\r
+\r
+}\r