| #ifndef SCOPE_H |
| #define SCOPE_H |
| /* |
| * Symbol scoping is pretty simple. |
| * |
| * Copyright (C) 2003 Transmeta Corp. |
| * 2003 Linus Torvalds |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| |
| struct symbol; |
| |
| struct scope { |
| struct symbol_list *symbols; /* List of symbols in this scope */ |
| struct scope *next; |
| }; |
| |
| extern struct scope |
| *block_scope, |
| *function_scope, |
| *file_scope, |
| *global_scope; |
| |
| static inline int toplevel(struct scope *scope) |
| { |
| return scope == file_scope || scope == global_scope; |
| } |
| |
| extern void start_file_scope(void); |
| extern void end_file_scope(void); |
| extern void new_file_scope(void); |
| |
| extern void start_symbol_scope(void); |
| extern void end_symbol_scope(void); |
| |
| extern void start_function_scope(void); |
| extern void end_function_scope(void); |
| |
| extern void bind_scope(struct symbol *, struct scope *); |
| extern void rebind_scope(struct symbol *, struct scope *); |
| |
| extern int is_outer_scope(struct scope *); |
| #endif |