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Diffstat (limited to 'jam-files/engine/headers.c')
| -rw-r--r-- | jam-files/engine/headers.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/jam-files/engine/headers.c b/jam-files/engine/headers.c deleted file mode 100644 index b9d8f637..00000000 --- a/jam-files/engine/headers.c +++ /dev/null @@ -1,203 +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 "compile.h" -# include "rules.h" -# include "variable.h" -# include "regexp.h" -# include "headers.h" -# include "hdrmacro.h" -# include "newstr.h" - -#ifdef OPT_HEADER_CACHE_EXT -# include "hcache.h" -#endif - -/* - * headers.c - handle #includes in source files - * - * Using regular expressions provided as the variable $(HDRSCAN), - * headers() searches a file for #include files and phonies up a - * rule invocation: - * - * $(HDRRULE) <target> : <include files> ; - * - * External routines: - * headers() - scan a target for include files and call HDRRULE - * - * Internal routines: - * headers1() - using regexp, scan a file and build include LIST - * - * 04/13/94 (seiwald) - added shorthand L0 for null list pointer - * 09/10/00 (seiwald) - replaced call to compile_rule with evaluate_rule, - * so that headers() doesn't have to mock up a parse structure - * just to invoke a rule. - */ - -#ifndef OPT_HEADER_CACHE_EXT -static LIST *headers1( LIST *l, char *file, int rec, regexp *re[]); -#endif - -/* - * headers() - scan a target for include files and call HDRRULE - */ - -# define MAXINC 10 - -void -headers( TARGET *t ) -{ - LIST * hdrscan; - LIST * hdrrule; - #ifndef OPT_HEADER_CACHE_EXT - LIST * headlist = 0; - #endif - regexp * re[ MAXINC ]; - int rec = 0; - - if ( !( hdrscan = var_get( "HDRSCAN" ) ) || - !( hdrrule = var_get( "HDRRULE" ) ) ) - return; - - if ( DEBUG_HEADER ) - printf( "header scan %s\n", t->name ); - - /* Compile all regular expressions in HDRSCAN */ - while ( ( rec < MAXINC ) && hdrscan ) - { - re[ rec++ ] = regex_compile( hdrscan->string ); - hdrscan = list_next( hdrscan ); - } - - /* Doctor up call to HDRRULE rule */ - /* Call headers1() to get LIST of included files. */ - { - FRAME frame[1]; - frame_init( frame ); - lol_add( frame->args, list_new( L0, t->name ) ); -#ifdef OPT_HEADER_CACHE_EXT - lol_add( frame->args, hcache( t, rec, re, hdrscan ) ); -#else - lol_add( frame->args, headers1( headlist, t->boundname, rec, re ) ); -#endif - - if ( lol_get( frame->args, 1 ) ) - { - /* The third argument to HDRRULE is the bound name of - * $(<) */ - lol_add( frame->args, list_new( L0, t->boundname ) ); - - list_free( evaluate_rule( hdrrule->string, frame ) ); - } - - /* Clean up. */ - frame_free( frame ); - } -} - - -/* - * headers1() - using regexp, scan a file and build include LIST. - */ - -#ifdef OPT_HEADER_CACHE_EXT -LIST * -#else -static LIST * -#endif -headers1( - LIST * l, - char * file, - int rec, - regexp * re[] ) -{ - FILE * f; - char buf[ 1024 ]; - int i; - static regexp * re_macros = 0; - -#ifdef OPT_IMPROVED_PATIENCE_EXT - static int count = 0; - ++count; - if ( ((count == 100) || !( count % 1000 )) && DEBUG_MAKE ) - printf("...patience...\n"); -#endif - - /* the following regexp is used to detect cases where a */ - /* file is included through a line line "#include MACRO" */ - if ( re_macros == 0 ) - re_macros = regex_compile( - "^[ ]*#[ ]*include[ ]*([A-Za-z][A-Za-z0-9_]*).*$" ); - - if ( !( f = fopen( file, "r" ) ) ) - return l; - - while ( fgets( buf, sizeof( buf ), f ) ) - { - int size = strlen( buf ); - /* Remove trailing \r and \n, if any. */ - while ( ( size > 0 ) && - ( buf[ size - 1 ] == '\n' ) && - ( buf[ size - 1 ] == '\r' ) ) - { - buf[ size - 1 ] = '\0'; - --size; - } - - for ( i = 0; i < rec; ++i ) - if ( regexec( re[i], buf ) && re[i]->startp[1] ) - { - re[i]->endp[1][0] = '\0'; - - if ( DEBUG_HEADER ) - printf( "header found: %s\n", re[i]->startp[1] ); - - l = list_new( l, newstr( re[i]->startp[1] ) ); - } - - /* special treatment for #include MACRO */ - if ( regexec( re_macros, buf ) && re_macros->startp[1] ) - { - char* header_filename; - - re_macros->endp[1][0] = '\0'; - - if ( DEBUG_HEADER ) - printf( "macro header found: %s", re_macros->startp[1] ); - - header_filename = macro_header_get( re_macros->startp[1] ); - if ( header_filename ) - { - if ( DEBUG_HEADER ) - printf( " resolved to '%s'\n", header_filename ); - l = list_new( l, newstr( header_filename ) ); - } - else - { - if ( DEBUG_HEADER ) - printf( " ignored !!\n" ); - } - } - } - - fclose( f ); - - return l; -} - - -void regerror( char * s ) -{ - printf( "re error %s\n", s ); -} |