-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.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.errors.Locations;\r
-import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;\r
-import org.simantics.scl.compiler.types.TPred;\r
-import org.simantics.scl.compiler.types.Type;\r
-import org.simantics.scl.compiler.types.exceptions.MatchException;\r
-\r
-public class EGetConstraint extends SimplifiableExpression {\r
- TPred constraint;\r
- EVariable evidence;\r
- \r
- public EGetConstraint(long loc, TPred constraint) {\r
- super(loc);\r
- this.constraint = constraint;\r
- }\r
-\r
- @Override\r
- public void collectRefs(TObjectIntHashMap<Object> allRefs,\r
- TIntHashSet refs) {\r
- }\r
- \r
- @Override\r
- public void collectVars(TObjectIntHashMap<Variable> allVars,\r
- TIntHashSet vars) {\r
- if(evidence != null)\r
- evidence.collectVars(allVars, vars); \r
- }\r
- \r
- @Override\r
- public Expression inferType(TypingContext context) {\r
- Variable variable = new Variable("evidence");\r
- variable.setType(constraint);\r
- evidence = new EVariable(getLocation(), variable);\r
- evidence.setType(variable.getType());\r
- context.addConstraintDemand(evidence);\r
- return this;\r
- }\r
- \r
- @Override\r
- protected void updateType() throws MatchException {\r
- setType(constraint);\r
- }\r
- \r
- @Override\r
- public void collectFreeVariables(THashSet<Variable> vars) {\r
- if(evidence != null)\r
- evidence.collectFreeVariables(vars);\r
- }\r
- \r
- @Override\r
- public Expression simplify(SimplificationContext context) {\r
- return evidence.simplify(context);\r
- }\r
- \r
- @Override\r
- public Expression resolve(TranslationContext context) {\r
- return this;\r
- }\r
- \r
- @Override\r
- public Expression decorate(ExpressionDecorator 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
- if(evidence != null)\r
- evidence.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
- evidence.forVariables(procedure);\r
- }\r
- \r
- @Override\r
- public Expression accept(ExpressionTransformer transformer) {\r
- return transformer.transform(this);\r
- }\r
-\r
-}\r
+package org.simantics.scl.compiler.elaboration.expressions;
+
+import org.simantics.scl.compiler.elaboration.contexts.SimplificationContext;
+import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;
+import org.simantics.scl.compiler.elaboration.contexts.TypingContext;
+import org.simantics.scl.compiler.errors.Locations;
+import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;
+import org.simantics.scl.compiler.types.TPred;
+import org.simantics.scl.compiler.types.Type;
+import org.simantics.scl.compiler.types.exceptions.MatchException;
+
+import gnu.trove.map.hash.TObjectIntHashMap;
+import gnu.trove.set.hash.THashSet;
+import gnu.trove.set.hash.TIntHashSet;
+
+public class EGetConstraint extends SimplifiableExpression {
+ TPred constraint;
+ EVariable evidence;
+
+ public EGetConstraint(long loc, TPred constraint) {
+ super(loc);
+ this.constraint = constraint;
+ }
+
+ @Override
+ public void collectRefs(TObjectIntHashMap<Object> allRefs,
+ TIntHashSet refs) {
+ }
+
+ @Override
+ public void collectVars(TObjectIntHashMap<Variable> allVars,
+ TIntHashSet vars) {
+ if(evidence != null)
+ evidence.collectVars(allVars, vars);
+ }
+
+ @Override
+ public Expression inferType(TypingContext context) {
+ Variable variable = new Variable("evidence");
+ variable.setType(constraint);
+ evidence = new EVariable(getLocation(), variable);
+ evidence.setType(variable.getType());
+ context.addConstraintDemand(evidence);
+ return this;
+ }
+
+ @Override
+ protected void updateType() throws MatchException {
+ setType(constraint);
+ }
+
+ @Override
+ public void collectFreeVariables(THashSet<Variable> vars) {
+ if(evidence != null)
+ evidence.collectFreeVariables(vars);
+ }
+
+ @Override
+ public Expression simplify(SimplificationContext context) {
+ return evidence.simplify(context);
+ }
+
+ @Override
+ public Expression resolve(TranslationContext context) {
+ return this;
+ }
+
+ @Override
+ public Expression decorate(ExpressionDecorator decorator) {
+ return decorator.decorate(this);
+ }
+
+ @Override
+ public void collectEffects(THashSet<Type> effects) {
+ }
+
+ @Override
+ public void setLocationDeep(long loc) {
+ if(location == Locations.NO_LOCATION) {
+ location = loc;
+ if(evidence != null)
+ evidence.setLocationDeep(loc);
+ }
+ }
+
+ @Override
+ public void accept(ExpressionVisitor visitor) {
+ visitor.visit(this);
+ }
+
+ @Override
+ public void forVariables(VariableProcedure procedure) {
+ evidence.forVariables(procedure);
+ }
+
+ @Override
+ public Expression accept(ExpressionTransformer transformer) {
+ return transformer.transform(this);
+ }
+
+}