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| author | Hui Zhu <teawater@gmail.com> | 2012-07-25 12:26:27 +0000 |
|---|---|---|
| committer | Hui Zhu <teawater@gmail.com> | 2012-07-25 12:26:27 +0000 |
| commit | d7cbec71c938cb53924b6d30ae28644e3a344a47 (patch) | |
| tree | 9da52ed4ef4e88486d1b4b5ec699cc9d5410f366 /gdb/linespec.c | |
| parent | 9e2934f7999c248f7e8452d0726541ce9ad9edce (diff) | |
| download | gdb-d7cbec71c938cb53924b6d30ae28644e3a344a47.zip gdb-d7cbec71c938cb53924b6d30ae28644e3a344a47.tar.gz gdb-d7cbec71c938cb53924b6d30ae28644e3a344a47.tar.bz2 | |
2012-07-25 Hui Zhu <hui_zhu@mentor.com>
* linespec.c (linespec_lexer_lex_number): Update comments,
change the return and add check to make sure the input is
the decimal numbers.
(linespec_lexer_lex_one): If linespec_lexer_lex_number return
false, call linespec_lexer_lex_string.
Diffstat (limited to 'gdb/linespec.c')
| -rw-r--r-- | gdb/linespec.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/gdb/linespec.c b/gdb/linespec.c index e85be68..c72bb4b 100644 --- a/gdb/linespec.c +++ b/gdb/linespec.c @@ -366,31 +366,36 @@ static const char *const linespec_quote_characters = "\"\'"; /* Lexer functions. */ /* Lex a number from the input in PARSER. This only supports - decimal numbers. */ + decimal numbers.\ + Return true if input is decimal numbers. Return false if not. */ -static linespec_token -linespec_lexer_lex_number (linespec_parser *parser) +static int +linespec_lexer_lex_number (linespec_parser *parser, linespec_token *tokenp) { - linespec_token token; - - token.type = LSTOKEN_NUMBER; - LS_TOKEN_STOKEN (token).length = 0; - LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); + tokenp->type = LSTOKEN_NUMBER; + LS_TOKEN_STOKEN (*tokenp).length = 0; + LS_TOKEN_STOKEN (*tokenp).ptr = PARSER_STREAM (parser); /* Keep any sign at the start of the stream. */ if (*PARSER_STREAM (parser) == '+' || *PARSER_STREAM (parser) == '-') { - ++LS_TOKEN_STOKEN (token).length; + ++LS_TOKEN_STOKEN (*tokenp).length; ++(PARSER_STREAM (parser)); } while (isdigit (*PARSER_STREAM (parser))) { - ++LS_TOKEN_STOKEN (token).length; + ++LS_TOKEN_STOKEN (*tokenp).length; ++(PARSER_STREAM (parser)); } - return token; + if (*PARSER_STREAM (parser) != '\0' && !isspace(*PARSER_STREAM (parser))) + { + PARSER_STREAM (parser) = LS_TOKEN_STOKEN (*tokenp).ptr; + return 0; + } + + return 1; } /* Does P represent one of the keywords? If so, return @@ -724,7 +729,8 @@ linespec_lexer_lex_one (linespec_parser *parser) case '+': case '-': case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': - parser->lexer.current = linespec_lexer_lex_number (parser); + if (!linespec_lexer_lex_number (parser, &(parser->lexer.current))) + parser->lexer.current = linespec_lexer_lex_string (parser); break; case ':': |