projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 6821892e | 1 | /* Interface to functions for deciding which macros are currently in scope. |
| 61baf725 | 2 | Copyright (C) 2002-2017 Free Software Foundation, Inc. |
| 6821892e JB |
3 | Contributed by Red Hat, Inc. |
| 4 | ||
| 5 | This file is part of GDB. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
| 6821892e JB |
10 | (at your option) any later version. |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 6821892e JB |
19 | |
| 20 | #ifndef MACROSCOPE_H | |
| 21 | #define MACROSCOPE_H | |
| 22 | ||
| 23 | #include "macrotab.h" | |
| 24 | #include "symtab.h" | |
| 25 | ||
| 26 | ||
| d7d9f01e TT |
27 | /* The table of macros defined by the user. */ |
| 28 | extern struct macro_table *macro_user_macros; | |
| 29 | ||
| 6821892e JB |
30 | /* All the information we need to decide which macro definitions are |
| 31 | in scope: a source file (either a main source file or an | |
| 32 | #inclusion), and a line number in that file. */ | |
| 33 | struct macro_scope { | |
| 34 | struct macro_source_file *file; | |
| 35 | int line; | |
| 36 | }; | |
| 37 | ||
| 38 | ||
| 39 | /* Return a `struct macro_scope' object corresponding to the symtab | |
| 40 | and line given in SAL. If we have no macro information for that | |
| 41 | location, or if SAL's pc is zero, return zero. */ | |
| 42 | struct macro_scope *sal_macro_scope (struct symtab_and_line sal); | |
| 43 | ||
| 44 | ||
| d7d9f01e TT |
45 | /* Return a `struct macro_scope' object representing just the |
| 46 | user-defined macros. The result is allocated using xmalloc; the | |
| 47 | caller is responsible for freeing it. */ | |
| 48 | struct macro_scope *user_macro_scope (void); | |
| 49 | ||
| 6821892e JB |
50 | /* Return a `struct macro_scope' object describing the scope the `macro |
| 51 | expand' and `macro expand-once' commands should use for looking up | |
| 52 | macros. If we have a selected frame, this is the source location of | |
| 53 | its PC; otherwise, this is the last listing position. | |
| 54 | ||
| d7d9f01e TT |
55 | If we have no macro information for the current location, return |
| 56 | the user macro scope. | |
| 6821892e JB |
57 | |
| 58 | The object returned is allocated using xmalloc; the caller is | |
| 59 | responsible for freeing it. */ | |
| 60 | struct macro_scope *default_macro_scope (void); | |
| 61 | ||
| 62 | ||
| 63 | /* Look up the definition of the macro named NAME in scope at the source | |
| 64 | location given by BATON, which must be a pointer to a `struct | |
| 65 | macro_scope' structure. This function is suitable for use as | |
| 66 | a macro_lookup_ftype function. */ | |
| 67 | struct macro_definition *standard_macro_lookup (const char *name, void *baton); | |
| 68 | ||
| 69 | ||
| 70 | #endif /* MACROSCOPE_H */ |