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43 lines
1.0 KiB
C
43 lines
1.0 KiB
C
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/*
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* Copyright 2001-2004 David Abrahams.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef FRAMES_DWA20011021_H
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#define FRAMES_DWA20011021_H
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#include "lists.h"
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#include "modules.h"
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#include "object.h"
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typedef struct frame FRAME;
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struct frame
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{
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FRAME * prev;
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FRAME * prev_user; /* The nearest enclosing frame for which
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module->user_module is true. */
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LOL args[ 1 ];
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module_t * module;
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OBJECT * file;
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int line;
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char const * rulename;
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};
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/* When a call into Python is in progress, this variable points to the bjam
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* frame that was current at the moment of the call. When the call completes,
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* the variable is not defined. Furthermore, if Jam calls Python which calls Jam
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* and so on, this variable only keeps the most recent Jam frame.
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*/
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extern FRAME * frame_before_python_call;
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void frame_init( FRAME * );
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void frame_free( FRAME * );
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#endif
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