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572eef50 | 1 | /* Copyright (C) 2010, 2011 Free Software Foundation, Inc. |
b9c100d0 AW |
2 | * |
3 | * This library is free software; you can redistribute it and/or | |
4 | * modify it under the terms of the GNU Lesser General Public License | |
5 | * as published by the Free Software Foundation; either version 3 of | |
6 | * the License, or (at your option) any later version. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, but | |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public | |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
16 | * 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #ifndef SCM_CONTROL_H | |
20 | #define SCM_CONTROL_H | |
21 | ||
22 | ||
ea6b18e8 | 23 | #define SCM_F_PROMPT_ESCAPE 0x1 |
adaf86ec | 24 | |
dc7da0be | 25 | #define SCM_PROMPT_P(x) (SCM_HAS_TYP7 (x, scm_tc7_prompt)) |
adaf86ec | 26 | #define SCM_PROMPT_FLAGS(x) (SCM_CELL_WORD ((x), 0) >> 8) |
adaf86ec | 27 | #define SCM_PROMPT_ESCAPE_P(x) (SCM_PROMPT_FLAGS (x) & SCM_F_PROMPT_ESCAPE) |
ea6b18e8 | 28 | #define SCM_PROMPT_TAG(x) (SCM_CELL_OBJECT ((x), 1)) |
adaf86ec | 29 | #define SCM_PROMPT_REGISTERS(x) ((struct scm_prompt_registers*)SCM_CELL_WORD ((x), 2)) |
adbdfd6d | 30 | #define SCM_PROMPT_DYNWINDS(x) (SCM_CELL_OBJECT ((x), 3)) |
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31 | |
32 | #define SCM_PROMPT_SETJMP(p) (SCM_I_SETJMP (SCM_PROMPT_REGISTERS (p)->regs)) | |
33 | ||
34 | struct scm_prompt_registers | |
35 | { | |
36 | scm_t_uint8 *ip; | |
37 | SCM *sp; | |
38 | SCM *fp; | |
2d026f04 | 39 | scm_t_int64 cookie; |
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40 | scm_i_jmp_buf regs; |
41 | }; | |
42 | ||
43 | ||
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44 | SCM_INTERNAL SCM scm_c_make_prompt (SCM k, SCM *fp, SCM *sp, |
45 | scm_t_uint8 *abort_ip, | |
46 | scm_t_uint8 escape_only_p, | |
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47 | scm_t_int64 vm_cookie, |
48 | SCM winds); | |
572eef50 | 49 | SCM_INTERNAL SCM scm_i_prompt_pop_abort_args_x (SCM vm); |
b8af64db | 50 | |
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51 | SCM_INTERNAL void scm_c_abort (SCM vm, SCM tag, size_t n, SCM *argv, |
52 | scm_t_int64 cookie) SCM_NORETURN; | |
2d026f04 | 53 | SCM_INTERNAL SCM scm_at_abort (SCM tag, SCM args) SCM_NORETURN; |
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54 | |
55 | ||
bbb2ecd1 | 56 | SCM_INTERNAL void scm_i_prompt_print (SCM exp, SCM port, scm_print_state *pstate); |
747022e4 | 57 | SCM_INTERNAL void scm_init_control (void); |
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58 | |
59 | ||
60 | #endif /* SCM_CONTROL_H */ |