+// Copyright 2006 all rights reserved; see LICENSE file for BSD-style license
+
package edu.berkeley.sbp;
import edu.berkeley.sbp.*;
import edu.berkeley.sbp.util.*;
int resets = 0;
int waits = 0;
- public GSS() { }
+ Input input;
+
+ public GSS(Input input) { this.input = input; }
private Phase.Node[] reducing_list = null;
private Phase prev;
private Input.Location location;
private Input.Location nextLocation;
+ private Input.Location prevLocation;
+
public final Parser parser;
private Forest forest;
- public Phase(Phase prev, Parser parser, Phase previous, Tok token, Input.Location location, Input.Location nextLocation, Forest forest) throws ParseFailed {
+ public Phase(Phase prev, Parser parser, Phase previous, Tok token, Input.Location location,
+ Input.Location nextLocation, Forest forest) throws ParseFailed {
+ this.prevLocation = prev==null ? location : prev.getLocation();
this.prev = prev;
this.forest = forest;
this.parser = parser;
public boolean isDone() throws ParseFailed {
if (token != null) return false;
if (token==null && finalResult==null)
- throw new ParseFailed(ParseFailed.error(ANSI.red("unexpected end of file\n"), token, hash.values()), getLocation());
+ throw new ParseFailed(ParseFailed.error(("unexpected end of file\n"),
+ token, hash.values()),
+ getLocation().createRegion(getLocation()), input);
return true;
}
+ public Input.Location getPrevLocation() { return prevLocation; }
public Input.Location getLocation() { return location; }
+ public Input.Region getRegion() { return getPrevLocation().createRegion(getLocation()); }
public Input.Location getNextLocation() { return nextLocation; }
/** add a new node (merging with existing nodes if possible)
}
if (!good && token!=null)
- throw new ParseFailed(ParseFailed.error(ANSI.red("unexpected character ")+" \'"+
+ throw new ParseFailed(ParseFailed.error(("unexpected character ")+" \'"+
ANSI.purple(StringUtil.escapify(token+"", "\\\'\r\n"))+
"\' encountered at "+
- ANSI.green(getLocation())+"\n", token, hash.values()),
- getLocation());
+ ANSI.green(next.getRegion())+"\n", token, hash.values()),
+ next.getRegion(), input);
if (token==null && finalResult==null)
- throw new ParseFailed(ParseFailed.error(ANSI.red("unexpected end of file\n"), token, hash.values()),
- getLocation());
+ throw new ParseFailed(ParseFailed.error(("unexpected end of file at "+getLocation()+"\n"), token, hash.values()),
+ getLocation().createRegion(getLocation()), input);
}
for(Node child : ((Forest.Many<?>)result).parents) {
if (only != null && child!=only) continue;
holder[pos] = result;
- if (pos==0) child.finish(r, r.rewrite(child.phase().getNextLocation().createRegion(target.getLocation())), target);
+ if (pos==0) child.finish(r, r.rewrite(child.phase().getLocation().createRegion(target.getLocation())), target);
else child.reduce(r, pos-1, target, null);
}