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parser code {:
public boolean parsing_failed = false;
public String source_filename;
public parser(Lexer mylexer, String fname)
{
super(mylexer);
source_filename = fname;
}
public SrcLoc sLoc(java_cup.runtime.Symbol token) {return new SrcLoc(token.left, token.right, source_filename);}
public void syntax_error(java_cup.runtime.Symbol cur_token) {
parsing_failed = true;
System.err.println("Syntax error " + sLoc(cur_token).toString() + " Got: " + cur_token.toString());
}
public boolean hasFailed() { return parsing_failed;}
:} |
