Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EApplyType.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EApplyType.java
new file mode 100755 (executable)
index 0000000..3cdbabf
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EApplyType.java
@@ -0,0 +1,154 @@
+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.Type;\r
+import org.simantics.scl.compiler.types.Types;\r
+import org.simantics.scl.compiler.types.exceptions.MatchException;\r
+\r
+public class EApplyType extends Expression {    \r
+    Expression expression;\r
+    Type parameter;\r
+    \r
+    public EApplyType(Expression expression, Type parameter) {\r
+        this.expression = expression;\r
+        this.parameter = parameter;\r
+    }\r
+    \r
+    public static Expression create(Expression expression, Type ... parameters) {\r
+        for(Type parameter : parameters)\r
+            expression = new EApplyType(expression, parameter);\r
+        return expression;\r
+    }\r
+\r
+    public EApplyType(long loc, Expression expression, Type parameter) {\r
+        super(loc);\r
+        if(parameter == null)\r
+            throw new NullPointerException();\r
+        this.expression = expression;\r
+        this.parameter = parameter;\r
+    }\r
+    \r
+    public Expression getExpression() {\r
+        return expression;\r
+    }\r
+    \r
+    public Type getParameter() {\r
+        return parameter;\r
+    }\r
+\r
+       public void collectRefs(TObjectIntHashMap<Object> allRefs, TIntHashSet refs) {\r
+        expression.collectRefs(allRefs, refs);\r
+    }\r
+       \r
+       public void collectVars(TObjectIntHashMap<Variable> allVars, TIntHashSet vars) {\r
+           expression.collectVars(allVars, vars);\r
+       }\r
+\r
+       @Override\r
+       protected void updateType() throws MatchException {\r
+           setType(Types.instantiate(expression.getType(), parameter));\r
+       }\r
+       \r
+       @Override\r
+       public IVal toVal(Environment env, CodeWriter w) {\r
+        IVal val = expression.toVal(env, w);\r
+        return val.createSpecialization(parameter);\r
+    }\r
+\r
+    @Override\r
+    public void collectFreeVariables(THashSet<Variable> vars) {\r
+        expression.collectFreeVariables(vars);\r
+    }\r
+\r
+    @Override\r
+    public Expression simplify(SimplificationContext context) {\r
+        expression = expression.simplify(context);\r
+        if(expression instanceof EConstant) {\r
+            ((EConstant)expression).addTypeParameters(parameter);\r
+            return expression;\r
+        }\r
+        return this;\r
+    }\r
+\r
+    @Override\r
+    public Expression resolve(TranslationContext context) {\r
+        expression = expression.resolve(context);\r
+        return this;\r
+    }\r
+    \r
+    @Override\r
+    public void removeFreeVariables(THashSet<Variable> vars) {\r
+        expression.removeFreeVariables(vars);\r
+    }\r
+\r
+    @Override\r
+    public Expression replace(ReplaceContext context) {\r
+        return new EApplyType(expression.replace(context), \r
+                parameter.replace(context.tvarMap));\r
+    }\r
+    \r
+    @Override\r
+    public IExpression toIExpression(ExpressionInterpretationContext target) {\r
+        return expression.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
+        expression = expression.decorate(decorator);\r
+        return decorator.decorate(this);\r
+    }\r
+    \r
+    @Override\r
+    public boolean isEffectful() {\r
+       return expression.isEffectful();\r
+    }\r
+\r
+    @Override\r
+    public void collectEffects(THashSet<Type> effects) {\r
+        expression.collectEffects(effects);\r
+    }\r
+    \r
+    @Override\r
+    public void setLocationDeep(long loc) {\r
+        if(location == Locations.NO_LOCATION) {\r
+            location = loc;\r
+            expression.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
+        expression.forVariables(procedure);\r
+    }\r
+    \r
+    @Override\r
+    public Expression accept(ExpressionTransformer transformer) {\r
+        return transformer.transform(this);\r
+    }\r
+\r
+}\r