diff options
Diffstat (limited to 'gdb/linespec.c')
| -rw-r--r-- | gdb/linespec.c | 49 |
1 files changed, 39 insertions, 10 deletions
diff --git a/gdb/linespec.c b/gdb/linespec.c index b3eb05f..741ac88 100644 --- a/gdb/linespec.c +++ b/gdb/linespec.c @@ -100,7 +100,8 @@ static struct symtabs_and_lines decode_line_2 (struct symbol *[], int, int, char ***); static struct symtab *symtab_from_filename (char **argptr, - char *p, int is_quote_enclosed); + char *p, int is_quote_enclosed, + int *not_found_ptr); static struct symtabs_and_lines decode_all_digits (char **argptr, @@ -119,7 +120,8 @@ static struct symtabs_and_lines decode_dollar (char *copy, static struct symtabs_and_lines decode_variable (char *copy, int funfirstline, char ***canonical, - struct symtab *file_symtab); + struct symtab *file_symtab, + int *not_found_ptr); static struct symtabs_and_lines symbol_found (int funfirstline, @@ -637,7 +639,12 @@ decode_line_2 (struct symbol *sym_arr[], int nelts, int funfirstline, Note that it is possible to return zero for the symtab if no file is validly specified. Callers must check that. - Also, the line number returned may be invalid. */ + Also, the line number returned may be invalid. + + If NOT_FOUND_PTR is not null, store a boolean true/false value at the location, based + on whether or not failure occurs due to an unknown function or file. In the case + where failure does occur due to an unknown function or file, do not issue an error + message. */ /* We allow single quotes in various places. This is a hideous kludge, which exists because the completer can't yet deal with the @@ -646,7 +653,7 @@ decode_line_2 (struct symbol *sym_arr[], int nelts, int funfirstline, struct symtabs_and_lines decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab, - int default_line, char ***canonical) + int default_line, char ***canonical, int *not_found_ptr) { char *p; char *q; @@ -665,6 +672,9 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab, int is_objc_method = 0; char *saved_arg = *argptr; + if (not_found_ptr) + *not_found_ptr = 0; + /* Defaults have defaults. */ initialize_defaults (&default_symtab, &default_line); @@ -722,7 +732,8 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab, /* No, the first part is a filename; set s to be that file's symtab. Also, move argptr past the filename. */ - file_symtab = symtab_from_filename (argptr, p, is_quote_enclosed); + file_symtab = symtab_from_filename (argptr, p, is_quote_enclosed, + not_found_ptr); } #if 0 /* No one really seems to know why this was added. It certainly @@ -827,7 +838,8 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab, /* Look up that token as a variable. If file specified, use that file's per-file block to start with. */ - return decode_variable (copy, funfirstline, canonical, file_symtab); + return decode_variable (copy, funfirstline, canonical, + file_symtab, not_found_ptr); } @@ -1422,10 +1434,14 @@ collect_methods (char *copy, struct type *t, /* Return the symtab associated to the filename given by the substring - of *ARGPTR ending at P, and advance ARGPTR past that filename. */ + of *ARGPTR ending at P, and advance ARGPTR past that filename. If + NOT_FOUND_PTR is not null and the source file is not found, store + boolean true at the location pointed to and do not issue an + error message. */ static struct symtab * -symtab_from_filename (char **argptr, char *p, int is_quote_enclosed) +symtab_from_filename (char **argptr, char *p, int is_quote_enclosed, + int *not_found_ptr) { char *p1; char *copy; @@ -1450,6 +1466,11 @@ symtab_from_filename (char **argptr, char *p, int is_quote_enclosed) { if (!have_full_symbols () && !have_partial_symbols ()) error ("No symbol table is loaded. Use the \"file\" command."); + if (not_found_ptr) + { + *not_found_ptr = 1; + throw_exception (RETURN_ERROR); + } error ("No source file named %s.", copy); } @@ -1626,11 +1647,13 @@ decode_dollar (char *copy, int funfirstline, struct symtab *default_symtab, /* Decode a linespec that's a variable. If FILE_SYMTAB is non-NULL, - look in that symtab's static variables first. */ + look in that symtab's static variables first. If NOT_FOUND_PTR is not NULL and + the function cannot be found, store boolean true in the location pointed to + and do not issue an error message. */ static struct symtabs_and_lines decode_variable (char *copy, int funfirstline, char ***canonical, - struct symtab *file_symtab) + struct symtab *file_symtab, int *not_found_ptr) { struct symbol *sym; /* The symtab that SYM was found in. */ @@ -1658,6 +1681,12 @@ decode_variable (char *copy, int funfirstline, char ***canonical, !have_partial_symbols () && !have_minimal_symbols ()) error ("No symbol table is loaded. Use the \"file\" command."); + if (not_found_ptr) + { + *not_found_ptr = 1; + throw_exception (RETURN_ERROR); + } + error ("Function \"%s\" not defined.", copy); } |