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NExceptHandler.java
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72 lines (61 loc) · 1.87 KB
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/**
* Copyright 2009, Google Inc. All rights reserved.
* Licensed to PSF under a Contributor Agreement.
*/
package org.python.indexer.ast;
import org.python.indexer.Scope;
import org.python.indexer.types.NType;
import org.python.indexer.types.NUnknownType;
public class NExceptHandler extends NNode {
static final long serialVersionUID = 6215262228266158119L;
public NNode name;
public NNode exceptionType;
public NBlock body;
public NExceptHandler(NNode name, NNode exceptionType, NBlock body) {
this(name, exceptionType, body, 0, 1);
}
public NExceptHandler(NNode name, NNode exceptionType, NBlock body, int start, int end) {
super(start, end);
this.name = name;
this.exceptionType = exceptionType;
this.body = body;
addChildren(name, exceptionType, body);
}
@Override
public boolean bindsName() {
return true;
}
@Override
protected void bindNames(Scope s) throws Exception {
if (name != null) {
NameBinder.make().bind(s, name, new NUnknownType());
}
}
@Override
public NType resolve(Scope s) throws Exception {
NType typeval = new NUnknownType();
if (exceptionType != null) {
typeval = resolveExpr(exceptionType, s);
}
if (name != null) {
NameBinder.make().bind(s, name, typeval);
}
if (body != null) {
return setType(resolveExpr(body, s));
} else {
return setType(new NUnknownType());
}
}
@Override
public String toString() {
return "<ExceptHandler:" + start() + ":" + name + ":" + exceptionType + ">";
}
@Override
public void visit(NNodeVisitor v) {
if (v.visit(this)) {
visitNode(name, v);
visitNode(exceptionType, v);
visitNode(body, v);
}
}
}