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07a0c7d5d9
* libguile/control.h: * libguile/control.c (scm_c_make_prompt, SCM_PROMPT_PRE_UNWIND_HANDLER): * libguile/vm-i-system.c (prompt) * module/language/tree-il.scm (<prompt> prompt-pre-unwind-handler): * module/language/tree-il/analyze.scm: * module/language/tree-il/compile-glil.scm: * module/language/tree-il/inline.scm: * module/language/tree-il/primitives.scm: Remove the "pre-unwind" handler from prompt; it turns out not to be necessary. Adapt all references.
54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
/* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef SCM_CONTROL_H
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#define SCM_CONTROL_H
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#define SCM_F_PROMPT_INLINE 0x1
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#define SCM_F_PROMPT_ESCAPE 0x2
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#define SCM_PROMPT_P(x) (!SCM_IMP (x) && SCM_TYP7(x) == scm_tc7_prompt)
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#define SCM_PROMPT_FLAGS(x) (SCM_CELL_WORD ((x), 0) >> 8)
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#define SCM_PROMPT_INLINE_P(x) (SCM_PROMPT_FLAGS (x) & SCM_F_PROMPT_INLINE)
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#define SCM_PROMPT_ESCAPE_P(x) (SCM_PROMPT_FLAGS (x) & SCM_F_PROMPT_ESCAPE)
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#define SCM_PROMPT_TAG(x) (SCM_CELL_OBJECT ((x), 1)
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#define SCM_PROMPT_REGISTERS(x) ((struct scm_prompt_registers*)SCM_CELL_WORD ((x), 2))
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#define SCM_PROMPT_DYNENV(x) (SCM_CELL_OBJECT ((x), 3))
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#define SCM_PROMPT_HANDLER(x) (SCM_CELL_OBJECT ((x), 4))
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#define SCM_PROMPT_SETJMP(p) (SCM_I_SETJMP (SCM_PROMPT_REGISTERS (p)->regs))
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struct scm_prompt_registers
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{
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scm_t_uint8 *ip;
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SCM *sp;
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SCM *fp;
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scm_i_jmp_buf regs;
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};
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SCM_INTERNAL SCM scm_c_make_prompt (SCM vm, SCM k, SCM handler,
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scm_t_uint8 inline_handler_p,
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scm_t_uint8 escape_only_p);
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SCM_INTERNAL void scm_register_control (void);
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#endif /* SCM_CONTROL_H */
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