1 package org.simantics.scl.compiler.elaboration.expressions;
3 import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;
4 import org.simantics.scl.compiler.compilation.CompilationContext;
5 import org.simantics.scl.compiler.elaboration.chr.CHRRuleset;
6 import org.simantics.scl.compiler.elaboration.contexts.SimplificationContext;
7 import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;
8 import org.simantics.scl.compiler.elaboration.contexts.TypingContext;
9 import org.simantics.scl.compiler.errors.Locations;
10 import org.simantics.scl.compiler.internal.codegen.references.IVal;
11 import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;
12 import org.simantics.scl.compiler.internal.interpreted.IExpression;
13 import org.simantics.scl.compiler.top.ExpressionInterpretationContext;
14 import org.simantics.scl.compiler.types.Type;
15 import org.simantics.scl.compiler.types.exceptions.MatchException;
17 import gnu.trove.map.hash.TObjectIntHashMap;
18 import gnu.trove.set.hash.THashSet;
19 import gnu.trove.set.hash.TIntHashSet;
21 public class ECHRRulesetConstructor extends Expression {
24 public ECHRRulesetConstructor(CHRRuleset ruleset) {
25 this.ruleset = ruleset;
29 public void collectRefs(TObjectIntHashMap<Object> allRefs, TIntHashSet refs) {
30 ruleset.collectRefs(allRefs, refs);
33 public void collectVars(TObjectIntHashMap<Variable> allVars, TIntHashSet vars) {
34 ruleset.collectVars(allVars, vars);
37 public void forVariables(VariableProcedure procedure) {
38 ruleset.forVariables(procedure);
41 protected void updateType() throws MatchException {
42 throw new InternalCompilerError("Type of ECHRRulesetConstructor should be already given.");
45 public IVal toVal(CompilationContext context, CodeWriter w) {
46 return ruleset.generateCode(w);
49 public void collectFreeVariables(THashSet<Variable> vars) {
50 ruleset.collectFreeVariables(vars);
53 public Expression resolve(TranslationContext context) {
55 context.pushCHRConstraintFrame();
56 ruleset.resolve(context);
57 context.popCHRConstraintFrame(ruleset.constraints);
62 public void setLocationDeep(long loc) {
63 if(location == Locations.NO_LOCATION) {
65 ruleset.setLocationDeep(loc);
69 public void collectEffects(THashSet<Type> effects) {
70 ruleset.collectEffects(effects);
73 public void accept(ExpressionVisitor visitor) {
78 public Expression inferType(TypingContext context) {
79 ruleset.checkType(context);
84 public Expression simplify(SimplificationContext context) {
85 ruleset.simplify(context);
86 ruleset.compile(context);
91 public Expression accept(ExpressionTransformer transformer) {
92 return transformer.transform(this);
96 public IExpression toIExpression(ExpressionInterpretationContext context) {
97 throw new UnsupportedOperationException();