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authorKenneth Heafield <github@kheafield.com>2012-10-22 12:07:20 +0100
committerKenneth Heafield <github@kheafield.com>2012-10-22 12:07:20 +0100
commit5f98fe5c4f2a2090eeb9d30c030305a70a8347d1 (patch)
tree9b6002f850e6dea1e3400c6b19bb31a9cdf3067f /jam-files/engine/parse.c
parentcf9994131993b40be62e90e213b1e11e6b550143 (diff)
parent21825a09d97c2e0afd20512f306fb25fed55e529 (diff)
Merge remote branch 'upstream/master'
Conflicts: Jamroot bjam decoder/Jamfile decoder/cdec.cc dpmert/Jamfile jam-files/sanity.jam klm/lm/Jamfile klm/util/Jamfile mira/Jamfile
Diffstat (limited to 'jam-files/engine/parse.c')
-rw-r--r--jam-files/engine/parse.c132
1 files changed, 0 insertions, 132 deletions
diff --git a/jam-files/engine/parse.c b/jam-files/engine/parse.c
deleted file mode 100644
index 9114fa05..00000000
--- a/jam-files/engine/parse.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright 1993, 2000 Christopher Seiwald.
- *
- * This file is part of Jam - see jam.c for Copyright information.
- */
-
-/* This file is ALSO:
- * Copyright 2001-2004 David Abrahams.
- * Distributed under the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
- */
-
-#include "jam.h"
-#include "lists.h"
-#include "parse.h"
-#include "scan.h"
-#include "newstr.h"
-#include "modules.h"
-#include "frames.h"
-
-/*
- * parse.c - make and destroy parse trees as driven by the parser
- *
- * 09/07/00 (seiwald) - ref count on PARSE to avoid freeing when used,
- * as per Matt Armstrong.
- * 09/11/00 (seiwald) - structure reworked to reflect that (*func)()
- * returns a LIST *.
- */
-
-static PARSE * yypsave;
-
-void parse_file( char * f, FRAME * frame )
-{
- /* Suspend scan of current file and push this new file in the stream. */
- yyfparse( f );
-
- /* Now parse each block of rules and execute it. Execute it outside of the
- * parser so that recursive calls to yyrun() work (no recursive yyparse's).
- */
-
- for ( ; ; )
- {
- PARSE * p;
-
- /* Filled by yyparse() calling parse_save(). */
- yypsave = 0;
-
- /* If parse error or empty parse, outta here. */
- if ( yyparse() || !( p = yypsave ) )
- break;
-
- /* Run the parse tree. */
- parse_evaluate( p, frame );
- parse_free( p );
- }
-}
-
-
-void parse_save( PARSE * p )
-{
- yypsave = p;
-}
-
-
-PARSE * parse_make(
- LIST * (* func)( PARSE *, FRAME * ),
- PARSE * left,
- PARSE * right,
- PARSE * third,
- char * string,
- char * string1,
- int num )
-{
- PARSE * p = (PARSE *)BJAM_MALLOC( sizeof( PARSE ) );
-
- p->func = func;
- p->left = left;
- p->right = right;
- p->third = third;
- p->string = string;
- p->string1 = string1;
- p->num = num;
- p->refs = 1;
- p->rulename = 0;
-
- if ( left )
- {
- p->file = left->file;
- p->line = left->line;
- }
- else
- {
- yyinput_stream( &p->file, &p->line );
- }
-
- return p;
-}
-
-
-void parse_refer( PARSE * p )
-{
- ++p->refs;
-}
-
-
-void parse_free( PARSE * p )
-{
- if ( --p->refs )
- return;
-
- if ( p->string )
- freestr( p->string );
- if ( p->string1 )
- freestr( p->string1 );
- if ( p->left )
- parse_free( p->left );
- if ( p->right )
- parse_free( p->right );
- if ( p->third )
- parse_free( p->third );
- if ( p->rulename )
- freestr( p->rulename );
-
- BJAM_FREE( (char *)p );
-}
-
-
-LIST * parse_evaluate( PARSE * p, FRAME * frame )
-{
- frame->procedure = p;
- return (*p->func)( p, frame );
-}