/*
* This file is part of the X10 project (http://x10-lang.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* This file was originally derived from the Polyglot extensible compiler framework.
*
* (C) Copyright 2000-2007 Polyglot project group, Cornell University
* (C) Copyright IBM Corporation 2007-2012.
*/
package polyglot.visit;
import polyglot.ast.Node;
import polyglot.ast.NodeFactory;
import polyglot.frontend.Job;
import polyglot.frontend.TargetFactory;
import polyglot.types.TypeSystem;
import polyglot.util.CodeWriter;
import polyglot.util.InternalCompilerError;
/**
* TypedTranslator extends Translator for type-directed code generation.
* The base Translator uses types only to generate more readable code.
* If an ambiguous or untyped AST node is encountered, code generation
* continues. In contrast, with TypedTranslator, encountering an
* ambiguous or untyped node is considered internal compiler error.
* TypedTranslator should be used when the output AST is expected to be
* (or required to be) type-checked before code generation.
*/
public class TypedTranslator extends Translator {
public TypedTranslator(Job job, TypeSystem ts, NodeFactory nf, TargetFactory tf) {
super(job, ts, nf, tf);
}
public void print(Node parent, Node child, CodeWriter w) {
if (context == null) {
throw new InternalCompilerError("Null context found during type-directed code generation.", child.position());
}
super.print(parent, child, w);
}
}