-package org.simantics.scl.compiler.elaboration.expressions;\r
-\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.elaboration.java.Builtins;\r
-import org.simantics.scl.compiler.elaboration.java.ListConstructor;\r
-import org.simantics.scl.compiler.errors.Locations;\r
-import org.simantics.scl.compiler.internal.codegen.utils.Constants;\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.internal.interpreted.IListLiteral;\r
-import org.simantics.scl.compiler.top.ExpressionInterpretationContext;\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
-import gnu.trove.map.hash.TObjectIntHashMap;\r
-import gnu.trove.set.hash.THashSet;\r
-import gnu.trove.set.hash.TIntHashSet;\r
-\r
-public class EListLiteral extends SimplifiableExpression {\r
-\r
- Expression[] components;\r
- Type componentType;\r
-\r
- public EListLiteral(Expression[] components) {\r
- this.components = components;\r
- }\r
-\r
- private EListLiteral(Expression[] components, Type componentType) {\r
- this.components = components;\r
- this.componentType = componentType;\r
- }\r
-\r
- public Expression[] getComponents() {\r
- return components;\r
- }\r
- \r
- @Override\r
- public void collectRefs(TObjectIntHashMap<Object> allRefs,\r
- TIntHashSet refs) {\r
- for(Expression component : components)\r
- component.collectRefs(allRefs, refs);\r
- }\r
-\r
- @Override\r
- public void collectVars(TObjectIntHashMap<Variable> allVars,\r
- TIntHashSet vars) {\r
- for(Expression component : components)\r
- component.collectVars(allVars, vars);\r
- }\r
- \r
- @Override\r
- public void collectFreeVariables(THashSet<Variable> vars) {\r
- for(Expression component : components)\r
- component.collectFreeVariables(vars);\r
- }\r
- \r
- @Override\r
- public Expression simplify(SimplificationContext context) {\r
- context.pushLocation(location);\r
- try {\r
- for(int i=0;i<components.length;++i)\r
- components[i] = components[i].simplify(context);\r
- \r
- if(components.length <= Constants.MAX_LIST_LITERAL_LENGTH) {\r
- Expression result = new EConstant(location, Builtins.LIST_CONSTRUCTORS[components.length], \r
- componentType);\r
- if(components.length > 0)\r
- result = new EApply(location, result, components);\r
- return result;\r
- }\r
- else {\r
- Expression result = new EApplyType(new ELiteral(location, new ListConstructor(components.length)), componentType);\r
- result = new EApply(location, result, components);\r
- return result;\r
- }\r
- } finally {\r
- context.popLocation();\r
- }\r
- }\r
-\r
- @Override\r
- public Expression resolve(TranslationContext context) {\r
- for(int i=0;i<components.length;++i)\r
- components[i] = components[i].resolve(context);\r
- return this;\r
- }\r
- \r
- @Override\r
- public Expression resolveAsPattern(TranslationContext context) {\r
- for(int i=0;i<components.length;++i)\r
- components[i] = components[i].resolveAsPattern(context);\r
- return this;\r
- }\r
- \r
- @Override\r
- protected void updateType() throws MatchException {\r
- setType(Types.list(componentType));\r
- }\r
- \r
- @Override\r
- public Expression checkBasicType(TypingContext context, Type requiredType) {\r
- try {\r
- componentType = Types.unifyApply(Types.LIST, requiredType);\r
- } catch (MatchException e) {\r
- context.getErrorLog().log(location, "Expected a value with type " + requiredType + " but got a list.");\r
- return new EError(location);\r
- }\r
- for(int i=0;i<components.length;++i)\r
- components[i] = components[i].checkType(context, componentType);\r
- return this;\r
- }\r
-\r
- @Override\r
- public Expression decorate(ExpressionDecorator decorator) {\r
- for(int i=0;i<components.length;++i)\r
- components[i] = components[i].decorate(decorator);\r
- return decorator.decorate(this);\r
- }\r
-\r
- @Override\r
- public void collectEffects(THashSet<Type> effects) {\r
- for(Expression component : components)\r
- component.collectEffects(effects);\r
- }\r
-\r
- @Override\r
- public void setLocationDeep(long loc) {\r
- if(location == Locations.NO_LOCATION) {\r
- location = loc;\r
- for(Expression component : components)\r
- component.setLocationDeep(loc);\r
- }\r
- }\r
- \r
- @Override\r
- public void accept(ExpressionVisitor visitor) {\r
- visitor.visit(this);\r
- }\r
- \r
- @Override\r
- public IExpression toIExpression(ExpressionInterpretationContext target) {\r
- IExpression[] componentExpressions = new IExpression[components.length];\r
- for(int i=0;i<components.length;++i)\r
- componentExpressions[i] = components[i].toIExpression(target);\r
- return new IListLiteral(componentExpressions);\r
- }\r
-\r
- @Override\r
- public void forVariables(VariableProcedure procedure) {\r
- for(Expression component : components)\r
- component.forVariables(procedure);\r
- }\r
- \r
- @Override\r
- public Expression replace(ReplaceContext context) {\r
- Expression[] newComponents = new Expression[components.length];\r
- for(int i=0;i<components.length;++i)\r
- newComponents[i] = components[i].replace(context);\r
- return new EListLiteral(newComponents, componentType.replace(context.tvarMap));\r
- }\r
- \r
- @Override\r
- public boolean isPattern(int arity) {\r
- if(arity != 0)\r
- return false;\r
- for(Expression component : components)\r
- if(!component.isPattern(0))\r
- return false;\r
- return true;\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.ReplaceContext;
+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.elaboration.java.Builtins;
+import org.simantics.scl.compiler.elaboration.java.ListConstructor;
+import org.simantics.scl.compiler.errors.Locations;
+import org.simantics.scl.compiler.internal.codegen.utils.Constants;
+import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;
+import org.simantics.scl.compiler.internal.interpreted.IExpression;
+import org.simantics.scl.compiler.internal.interpreted.IListLiteral;
+import org.simantics.scl.compiler.top.ExpressionInterpretationContext;
+import org.simantics.scl.compiler.types.Type;
+import org.simantics.scl.compiler.types.Types;
+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 EListLiteral extends SimplifiableExpression {
+
+ Expression[] components;
+ Type componentType;
+
+ public EListLiteral(Expression[] components) {
+ this.components = components;
+ }
+
+ private EListLiteral(Expression[] components, Type componentType) {
+ this.components = components;
+ this.componentType = componentType;
+ }
+
+ public Expression[] getComponents() {
+ return components;
+ }
+
+ @Override
+ public void collectRefs(TObjectIntHashMap<Object> allRefs,
+ TIntHashSet refs) {
+ for(Expression component : components)
+ component.collectRefs(allRefs, refs);
+ }
+
+ @Override
+ public void collectVars(TObjectIntHashMap<Variable> allVars,
+ TIntHashSet vars) {
+ for(Expression component : components)
+ component.collectVars(allVars, vars);
+ }
+
+ @Override
+ public void collectFreeVariables(THashSet<Variable> vars) {
+ for(Expression component : components)
+ component.collectFreeVariables(vars);
+ }
+
+ @Override
+ public Expression simplify(SimplificationContext context) {
+ context.pushLocation(location);
+ try {
+ for(int i=0;i<components.length;++i)
+ components[i] = components[i].simplify(context);
+
+ if(components.length <= Constants.MAX_LIST_LITERAL_LENGTH) {
+ Expression result = new EConstant(location, Builtins.LIST_CONSTRUCTORS[components.length],
+ componentType);
+ if(components.length > 0)
+ result = new EApply(location, result, components);
+ return result;
+ }
+ else {
+ Expression result = new EApplyType(new ELiteral(location, new ListConstructor(components.length)), componentType);
+ result = new EApply(location, result, components);
+ return result;
+ }
+ } finally {
+ context.popLocation();
+ }
+ }
+
+ @Override
+ public Expression resolve(TranslationContext context) {
+ for(int i=0;i<components.length;++i)
+ components[i] = components[i].resolve(context);
+ return this;
+ }
+
+ @Override
+ public Expression resolveAsPattern(TranslationContext context) {
+ for(int i=0;i<components.length;++i)
+ components[i] = components[i].resolveAsPattern(context);
+ return this;
+ }
+
+ @Override
+ protected void updateType() throws MatchException {
+ setType(Types.list(componentType));
+ }
+
+ @Override
+ public Expression checkBasicType(TypingContext context, Type requiredType) {
+ try {
+ componentType = Types.unifyApply(Types.LIST, requiredType);
+ } catch (MatchException e) {
+ context.getErrorLog().log(location, "Expected a value with type " + requiredType + " but got a list.");
+ return new EError(location);
+ }
+ for(int i=0;i<components.length;++i)
+ components[i] = components[i].checkType(context, componentType);
+ return this;
+ }
+
+ @Override
+ public Expression decorate(ExpressionDecorator decorator) {
+ for(int i=0;i<components.length;++i)
+ components[i] = components[i].decorate(decorator);
+ return decorator.decorate(this);
+ }
+
+ @Override
+ public void collectEffects(THashSet<Type> effects) {
+ for(Expression component : components)
+ component.collectEffects(effects);
+ }
+
+ @Override
+ public void setLocationDeep(long loc) {
+ if(location == Locations.NO_LOCATION) {
+ location = loc;
+ for(Expression component : components)
+ component.setLocationDeep(loc);
+ }
+ }
+
+ @Override
+ public void accept(ExpressionVisitor visitor) {
+ visitor.visit(this);
+ }
+
+ @Override
+ public IExpression toIExpression(ExpressionInterpretationContext target) {
+ IExpression[] componentExpressions = new IExpression[components.length];
+ for(int i=0;i<components.length;++i)
+ componentExpressions[i] = components[i].toIExpression(target);
+ return new IListLiteral(componentExpressions);
+ }
+
+ @Override
+ public void forVariables(VariableProcedure procedure) {
+ for(Expression component : components)
+ component.forVariables(procedure);
+ }
+
+ @Override
+ public Expression replace(ReplaceContext context) {
+ Expression[] newComponents = new Expression[components.length];
+ for(int i=0;i<components.length;++i)
+ newComponents[i] = components[i].replace(context);
+ return new EListLiteral(newComponents, componentType.replace(context.tvarMap));
+ }
+
+ @Override
+ public boolean isPattern(int arity) {
+ if(arity != 0)
+ return false;
+ for(Expression component : components)
+ if(!component.isPattern(0))
+ return false;
+ return true;
+ }
+
+ @Override
+ public Expression accept(ExpressionTransformer transformer) {
+ return transformer.transform(this);
+ }
+
+}