From d7561cbbf27a8ff771f85baf6696aa7645250484 Mon Sep 17 00:00:00 2001 From: Keith Seitz Date: Wed, 2 Oct 2013 00:46:07 +0000 Subject: Constification of parse_linespec and fallout: https://sourceware.org/ml/gdb-patches/2013-09/msg01017.html https://sourceware.org/ml/gdb-patches/2013-09/msg01018.html https://sourceware.org/ml/gdb-patches/2013-09/msg01019.html https://sourceware.org/ml/gdb-patches/2013-09/msg01020.html --- gdb/linespec.c | 42 ++++++++++++++++++++++++------------------ 1 file changed, 24 insertions(+), 18 deletions(-) (limited to 'gdb/linespec.c') diff --git a/gdb/linespec.c b/gdb/linespec.c index 8b7f3bd..9468f26 100644 --- a/gdb/linespec.c +++ b/gdb/linespec.c @@ -278,10 +278,10 @@ struct ls_parser struct { /* Save head of input stream. */ - char *saved_arg; + const char *saved_arg; /* Head of the input stream. */ - char **stream; + const char **stream; #define PARSER_STREAM(P) (*(P)->lexer.stream) /* The current token. */ @@ -320,7 +320,7 @@ static CORE_ADDR linespec_expression_to_pc (const char **exp_ptr); static struct symtabs_and_lines decode_objc (struct linespec_state *self, linespec_p ls, - char **argptr); + const char **argptr); static VEC (symtab_ptr) *symtabs_from_filename (const char *); @@ -515,12 +515,12 @@ is_closing_quote_enclosed (const char *p) This helper function assists with lexing string segments which might contain valid (non-terminating) commas. */ -static char * -find_parameter_list_end (char *input) +static const char * +find_parameter_list_end (const char *input) { char end_char, start_char; int depth; - char *p; + const char *p; start_char = *input; if (start_char == '(') @@ -557,7 +557,7 @@ static linespec_token linespec_lexer_lex_string (linespec_parser *parser) { linespec_token token; - char *start = PARSER_STREAM (parser); + const char *start = PARSER_STREAM (parser); token.type = LSTOKEN_STRING; @@ -607,7 +607,7 @@ linespec_lexer_lex_string (linespec_parser *parser) } else { - char *p; + const char *p; /* Otherwise, only identifier characters are permitted. Spaces are the exception. In general, we keep spaces, @@ -621,7 +621,7 @@ linespec_lexer_lex_string (linespec_parser *parser) { if (isspace (*PARSER_STREAM (parser))) { - p = skip_spaces (PARSER_STREAM (parser)); + p = skip_spaces_const (PARSER_STREAM (parser)); /* When we get here we know we've found something followed by a space (we skip over parens and templates below). So if we find a keyword now, we know it is a keyword and not, @@ -681,7 +681,7 @@ linespec_lexer_lex_string (linespec_parser *parser) else if (*PARSER_STREAM (parser) == '<' || *PARSER_STREAM (parser) == '(') { - char *p; + const char *p; p = find_parameter_list_end (PARSER_STREAM (parser)); if (p != NULL) @@ -733,7 +733,7 @@ linespec_lexer_lex_one (linespec_parser *parser) if (parser->lexer.current.type == LSTOKEN_CONSUMED) { /* Skip any whitespace. */ - PARSER_STREAM (parser) = skip_spaces (PARSER_STREAM (parser)); + PARSER_STREAM (parser) = skip_spaces_const (PARSER_STREAM (parser)); /* Check for a keyword, they end the linespec. */ keyword = NULL; @@ -819,7 +819,7 @@ static linespec_token linespec_lexer_peek_token (linespec_parser *parser) { linespec_token next; - char *saved_stream = PARSER_STREAM (parser); + const char *saved_stream = PARSER_STREAM (parser); linespec_token saved_token = parser->lexer.current; next = linespec_lexer_consume_token (parser); @@ -2144,7 +2144,7 @@ convert_linespec_to_sals (struct linespec_state *state, linespec_p ls) /* Parse the linespec in ARGPTR. */ static struct symtabs_and_lines -parse_linespec (linespec_parser *parser, char **argptr) +parse_linespec (linespec_parser *parser, const char **argptr) { linespec_token token; struct symtabs_and_lines values; @@ -2426,6 +2426,7 @@ decode_line_full (char **argptr, int flags, VEC (const_char_ptr) *filters = NULL; linespec_parser parser; struct linespec_state *state; + const char *copy, *orig; gdb_assert (canonical != NULL); /* The filter only makes sense for 'all'. */ @@ -2441,7 +2442,9 @@ decode_line_full (char **argptr, int flags, cleanups = make_cleanup (linespec_parser_delete, &parser); save_current_program_space (); - result = parse_linespec (&parser, argptr); + orig = copy = *argptr; + result = parse_linespec (&parser, ©); + *argptr += copy - orig; state = PARSER_STATE (&parser); gdb_assert (result.nelts == 1 || canonical->pre_expanded); @@ -2496,13 +2499,16 @@ decode_line_1 (char **argptr, int flags, struct symtabs_and_lines result; linespec_parser parser; struct cleanup *cleanups; + const char *copy, *orig; linespec_parser_new (&parser, flags, current_language, default_symtab, default_line, NULL); cleanups = make_cleanup (linespec_parser_delete, &parser); save_current_program_space (); - result = parse_linespec (&parser, argptr); + orig = copy = *argptr; + result = parse_linespec (&parser, ©); + *argptr += copy - orig; do_cleanups (cleanups); return result; @@ -2602,12 +2608,12 @@ linespec_expression_to_pc (const char **exp_ptr) the existing C++ code to let the user choose one. */ static struct symtabs_and_lines -decode_objc (struct linespec_state *self, linespec_p ls, char **argptr) +decode_objc (struct linespec_state *self, linespec_p ls, const char **argptr) { struct collect_info info; VEC (const_char_ptr) *symbol_names = NULL; struct symtabs_and_lines values; - char *new_argptr; + const char *new_argptr; struct cleanup *cleanup = make_cleanup (VEC_cleanup (const_char_ptr), &symbol_names); @@ -3053,7 +3059,7 @@ find_function_symbols (struct linespec_state *state, info.file_symtabs = file_symtabs; /* Try NAME as an Objective-C selector. */ - find_imps ((char *) name, &symbol_names); + find_imps (name, &symbol_names); if (!VEC_empty (const_char_ptr, symbol_names)) add_all_symbol_names_from_pspace (&info, NULL, symbol_names); else -- cgit v1.1