File: useterminal.cc

package info (click to toggle)
bisonc%2B%2B 6.09.02-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 5,984 kB
  • sloc: cpp: 9,375; ansic: 1,505; fortran: 1,134; makefile: 1,062; sh: 526; yacc: 84; lex: 60
file content (37 lines) | stat: -rw-r--r-- 578 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
#include "parser.ih"

Terminal *Parser::useTerminal() 
{
    string const &name = d_scanner.canonicalQuote();

    if (Symbol *sp = d_symtab.lookup(name))
    {
        if (sp->isTerminal())
            return Terminal::downcast(sp);

        multiplyDefined(sp);
        return 0;
    }

    Terminal *tp = new Terminal(name, Symbol::CHAR_TERMINAL, 
                                      d_scanner.number());
    d_symtab.insert
    (
        Symtab::value_type
        (
            name, 
            d_rules.insert(tp, d_matched)
        )
    );

    return tp;
}