/*-
* Copyright (c) 1998, 2002-2008 Kiyoshi Matsui <kmatsui@t3.rim.or.jp>
* All rights reserved.
*
* Some parts of this code are derived from the public domain software
* DECUS cpp (1984,1985) written by Martin Minow.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* S Y S T E M . C
* S y s t e m D e p e n d e n t R o u t i n e s
*
* Routines dependent on O.S., compiler or compiler-driver.
* To port MCPP for the systems not yet ported, you must
* 1. specify the constants in "configed.H" or "noconfig.H",
* 2. append the system-dependent routines in this file.
*/
#if PREPROCESSED
#include "mcpp.H"
#else
#include "system.H"
#include "internal.H"
#endif
#if HOST_SYS_FAMILY == SYS_UNIX
#include "unistd.h" /* For getcwd(), readlink() */
#elif HOST_COMPILER == MSC || HOST_COMPILER == LCC
#include "direct.h"
#define getcwd( buf, size) _getcwd( buf, size)
#elif HOST_COMPILER == BORLANDC
#include "dir.h"
#endif
#include "sys/types.h"
#include "sys/stat.h" /* For stat() */
#if ! defined( S_ISREG)
#define S_ISREG( mode) (mode & S_IFREG)
#define S_ISDIR( mode) (mode & S_IFDIR)
#endif
#if HOST_COMPILER == MSC
#define S_IFREG _S_IFREG
#define S_IFDIR _S_IFDIR
#define stat( path, stbuf) _stat( path, stbuf)
#endif
/* Function to compare path-list */
#if FNAME_FOLD
#if HOST_COMPILER == GNUC /* CYGWIN, MINGW, MAC */
#include <strings.h> /* POSIX 1, 2001 */
#define str_case_eq( str1, str2) (strcasecmp( str1, str2) == 0)
#else /* MSC, BORLANDC, LCC */
#if HOST_COMPILER == MSC
#define stricmp( str1, str2) _stricmp( str1, str2)
#endif
#define str_case_eq( str1, str2) (stricmp( str1, str2) == 0)
#endif
#else /* ! FNAME_FOLD */
#define str_case_eq( str1, str2) (strcmp( str1, str2) == 0)
#endif
/*
* PATH_DELIM is defined for the O.S. which has single byte path-delimiter.
* Note: '\\' or any other character identical to second byte of MBCHAR should
* not be used for PATH_DELIM for convenience of path-list parsing.
*/
#if SYS_FAMILY == SYS_UNIX || SYS_FAMILY == SYS_WIN || SYSTEM == SYS_UNKNOWN
#define PATH_DELIM '/'
#define SPECIAL_PATH_DELIM FALSE
#else /* Any other path-delimiter, define PATH_DELIM by yourself */
#define SPECIAL_PATH_DELIM TRUE /* Any path-delimiter other than '/' */
#endif
/*
* OBJEXT is the suffix to denote "object" file.
*/
#ifndef OBJEXT
#if SYS_FAMILY == SYS_UNIX || HOST_COMPILER == GNUC
#define OBJEXT "o"
#elif SYS_FAMILY == SYS_WIN
#define OBJEXT "obj"
#elif 1
/* Add here appropriate definitions for other systems. */
#endif
#endif
static void version( void);
/* Print version message */
static void usage( int opt);
/* Putout usage of MCPP */
static void set_opt_list( char * optlist);
/* Set list of legal option chars */
static int parse_warn_level( const char * mcpp_optarg, int opt);
/* Parse warning level option */
static void def_a_macro( int opt, char * def);
/* Do a -D option */
static void chk_opts( int sflag, int trad);
/* Check consistency of options */
#if COMPILER != GNUC
static void init_cpu_macro( int gval, int sse);
/* Predefine CPU-dependent macros */
#endif
static void init_predefines( void);
/* Set and unset predefined macros */
static void init_std_defines( void);
/* Predefine Standard macros */
static void set_limit( void);
/* Set minimum translation limits */
static void set_pragma_op( void);
/* Set the _Pragma() operator */
static void put_info( FILEINFO * sharp_file);
/* Print compiler-specific-inf */
static char * set_files( int argc, char ** argv, char ** in_pp
, char ** out_pp);
/* Set input, output, diagnostic */
static void set_sys_dirs( int set_cplus_dir);
/* Set system-specific include dirs */
static void set_env_dirs( void);
/* Set user-defined include dirs */
static void parse_env( const char * env);
/* Parse environment variables */
static void set_a_dir( const char * dirname);
/* Append an include directory */
static char * norm_dir( const char * dirname, int framework);
/* Normalize include directory path */
static char * norm_path( const char * dir, const char * fname, int inf
, int hmap); /* Normalize pathname to compare */
#if SYS_FAMILY == SYS_UNIX
static void deref_syml( char * slbuf1, char * slbuf2, char * chk_start);
/* Dereference symbolic linked directory and file */
#endif
#if COMPILER == GNUC
static void init_gcc_macro( void);
/* Predefine GCC-specific macros */
static void chk_env( void);
/* Check the environment variables */
#elif COMPILER == MSC
static void init_msc_macro( void);
/* Predefine Visual C-specific macros */
#endif
static void def_macros( void);
/* Define macros specified by -D */
static void undef_macros( void);
/* Undefine macros specified by -U */
static char * md_init( const char * filename, char * output);
/* Initialize makefile dependency */
static char * md_quote( char * output);
/* 'Quote' special characters */
static int open_include( char * filename, int searchlocal, int next);
/* Open the file to include */
static int has_directory( const char * source, char * directory);
/* Get directory part of fname */
static int is_full_path( const char * path);
/* The path is absolute path list ? */
static int search_dir( char * filename, int searchlocal, int next);
/* Search the include directories */
static int open_file( const char ** dirp, const char * src_dir
, const char * filename, int local, int include_opt, int sys_frame);
/* Open a source file */
static const char * set_fname( const char * filename);
/* Remember the source filename */
#if SYSTEM == SYS_MAC
#if COMPILER == GNUC
static char * search_header_map( const char * hmap_file
, const char * filename, char * pathlist);
/* Search header map file for a header */
static unsigned hmap_hash( const char * fname);
/* Get hash value for the fname */
#endif
static void init_framework( void);
/* Initialize framework[] */
static int search_framework( char * filename);
/* Search "Framework" directories */
static int search_subdir( char * fullname, char * cp, char * frame
, char * fname, int sys_frame);
/* Search "Headers" and other dirs */
#endif /* SYSTEM == SYS_MAC */
#if 0 /* This function is only for debugging use */
static int chk_dirp( const char ** dirp);
/* Check validity of dirp arg for open_file() */
#endif
static void cur_file( FILEINFO * file, FILEINFO * sharp_file, int marker);
/* Output current source file name */
#if SYS_FAMILY == SYS_WIN
static char * bsl2sl( char * filename);
/* Convert \ to / in path-list */
#endif
static int is_junk( void);
/* The directive has trailing junk? */
static void do_once( const char * fullname);
/* Process #pragma once */
static int included( const char * fullname);
/* The file has been once included? */
static void push_or_pop( int direction);
/* Push or pop a macro definition */
static int do_prestd_directive( void);
/* Process pre-Standard directives */
static void do_preprocessed( void);
/* Process preprocessed file */
static int do_debug( int set);
/* #pragma MCPP debug, #debug */
static void dump_path( void);
/* Print include search path */
static void do_asm( int asm_start);
/* Process #asm, #endasm */
static int mcpp_getopt( int argc, char * const * argv, const char * opts);
/* getopt() to prevent linking of glibc getopt */
/* for mcpp_getopt() */
static int mcpp_optind = 1;
static int mcpp_opterr = 1;
static int mcpp_optopt;
static char * mcpp_optarg;
static int mb_changed = FALSE; /* Flag of -e option */
static char cur_work_dir[ PATHMAX + 1]; /* Current working directory*/
/*
* incdir[] stores the -I directories (and the system-specific #include <...>
* directories). This is set by set_a_dir(). A trailing PATH_DELIM is
* appended if absent.
*/
static const char ** incdir; /* Include directories */
static const char ** incend; /* -> active end of incdir */
static int max_inc; /* Number of incdir[] */
typedef struct inc_list { /* List of directories or files */
char * name; /* Filename or directory-name */
size_t len; /* Length of 'name' */
} INC_LIST;
/*
* fnamelist[] stores the souce file names opened by #include directive for
* debugging information.
*/
static INC_LIST * fnamelist; /* Source file names */
static INC_LIST * fname_end; /* -> active end of fnamelist */
static int max_fnamelist; /* Number of fnamelist[] */
/* once_list[] stores the #pragma once file names. */
static INC_LIST * once_list; /* Once opened file */
static INC_LIST * once_end; /* -> active end of once_list */
static int max_once; /* Number of once_list[] */
#define INIT_NUM_INCLUDE 32 /* Initial number of incdir[] */
#define INIT_NUM_FNAMELIST 256 /* Initial number of fnamelist[] */
#define INIT_NUM_ONCE 64 /* Initial number of once_list[] */
/*
* 'search_rule' holds searching rule of #include "header.h" to search first
* before searching user specified or system-specific include directories.
* 'search_rule' is initialized to SEARCH_INIT. It can be changed by -I1, -I2
* or -I3 option. -I1 specifies CURRENT, -I2 SOURCE and -I3 both.
*/
static int search_rule = SEARCH_INIT; /* Rule to search include file */
static int nflag = FALSE; /* Flag of -N (-undef) option */
static long std_val = -1L; /* Value of __STDC_VERSION__ or __cplusplus */
#define MAX_DEF 256
#define MAX_UNDEF (MAX_DEF/4)
static char * def_list[ MAX_DEF]; /* Macros to be defined */
static char * undef_list[ MAX_UNDEF]; /* Macros to be undefined */
static int def_cnt; /* Count of def_list */
static int undef_cnt; /* Count of undef_list */
/* Values of mkdep. */
#define MD_MKDEP 1 /* Output source file dependency line */
#define MD_SYSHEADER 2 /* Print also system-header names */
#define MD_FILE 4 /* Output to the file named *.d */
#define MD_PHONY 8 /* Print also phony targets for each header */
#define MD_QUOTE 16 /* 'Quote' $ and space in target name */
static FILE * mkdep_fp; /* For -Mx option */
static char * mkdep_target;
/* For -MT TARGET option and for GCC's queer environment variables. */
static char * mkdep_mf; /* Argument of -MF option */
static char * mkdep_md; /* Argument of -MD option */
static char * mkdep_mq; /* Argument of -MQ option */
static char * mkdep_mt; /* Argument of -MT option */
/* sharp_filename is filename for #line line, used only in cur_file() */
static char * sharp_filename = NULL;
static char * argv0; /* argv[ 0] for usage() and version() */
static int ansi; /* __STRICT_ANSI__ flag for GNUC */
static int compat_mode;
/* "Compatible" mode of recursive macro expansion */
#define MAX_ARCH_LEN 16
static char arch[ MAX_ARCH_LEN]; /* -arch or -m64, -m32 options */
#if COMPILER == GNUC
#define N_QUOTE_DIR 8
/* quote_dir[]: Include directories for "header" specified by -iquote */
/* quote_dir_end: Active end of quote_dir */
static const char * quote_dir[ N_QUOTE_DIR];
static const char ** quote_dir_end = quote_dir;
/* sys_dirp indicates the first directory to search for system headers. */
static const char ** sys_dirp = NULL; /* System header directory */
static const char * sysroot = NULL; /* Logical root directory of header */
static int i_split = FALSE; /* For -I- option */
static int gcc_work_dir = FALSE; /* For -fworking-directory */
static int gcc_maj_ver; /* __GNUC__ */
static int gcc_min_ver; /* __GNUC_MINOR__ */
static int dDflag = FALSE; /* Flag of -dD option */
static int dMflag = FALSE; /* Flag of -dM option */
#endif
#if COMPILER == GNUC || COMPILER == MSC
/*
* preinclude points to the file specified by -include (-Fl for MSC) option,
* which is included prior to the main input file.
*/
#define NPREINCLUDE 8
static char * preinclude[ NPREINCLUDE]; /* File to pre-include */
static char ** preinc_end = preinclude; /* -> active end of preinclude */
#endif
#if COMPILER == MSC
static int wchar_t_modified = FALSE; /* -Zc:wchar_t flag */
#endif
#if COMPILER == LCC
static const char * optim_name = "__LCCOPTIMLEVEL";
#endif
#if SYSTEM == SYS_CYGWIN
static int no_cygwin = FALSE; /* -mno-cygwin */
#elif SYSTEM == SYS_MAC
#define MAX_FRAMEWORK 8
static char * framework[ MAX_FRAMEWORK]; /* Framework directories*/
static int num_framework; /* Current number of framework[] */
static int sys_framework; /* System framework dir */
static const char ** to_search_framework;
/* Search framework[] next to the directory */
static int in_import; /* #import rather than #include */
#endif
#define NO_DIR FALSE
#if NO_DIR
/* Unofficial feature to strip directory part of include file */
static int no_dir;
#endif
#if MCPP_LIB
void init_system( void)
/* Initialize static variables */
{
if (sharp_filename)
free( sharp_filename);
sharp_filename = NULL;
incend = incdir = NULL;
fnamelist = once_list = NULL;
search_rule = SEARCH_INIT;
mb_changed = nflag = ansi = compat_mode = FALSE;
mkdep_fp = NULL;
mkdep_target = mkdep_mf = mkdep_md = mkdep_mq = mkdep_mt = NULL;
std_val = -1L;
def_cnt = undef_cnt = 0;
mcpp_optind = mcpp_opterr = 1;
#if COMPILER == GNUC
sys_dirp = NULL;
sysroot = NULL;
gcc_work_dir = i_split = FALSE;
quote_dir_end = quote_dir;
dDflag = dMflag = FALSE;
#endif
#if COMPILER == MSC
wchar_t_modified = FALSE;
#endif
#if COMPILER == GNUC || COMPILER == MSC
preinc_end = preinclude;
#endif
#if SYSTEM == SYS_CYGWIN
no_cygwin = FALSE;
#elif SYSTEM == SYS_MAC
num_framework = sys_framework = 0;
to_search_framework = NULL;
#endif
#if NO_DIR
no_dir = FALSE;
#endif
}
#endif
#define OPTLISTLEN 80
void do_options(
int argc,
char ** argv,
char ** in_pp, /* Input file name */
char ** out_pp /* Output file name */
)
/*
* Process command line arguments, called only at MCPP startup.
*/
{
char optlist[ OPTLISTLEN]; /* List of option letter*/
const char * warning = "warning: -%c%s option is ignored\n";
int opt;
int unset_sys_dirs;
/* Unset system-specific and site-specific include directories ? */
int set_cplus_dir; /* Set C++ include directory ? (for GCC)*/
int show_path; /* Show include directory list */
DEFBUF * defp;
VAL_SIGN * valp;
int sflag; /* -S option or similar */
int trad; /* -traditional */
int old_mode; /* backup of 'mcpp_mode'*/
int gval, sse;
char * cp;
int i;
#if COMPILER == GNUC
#define NSYSDIR 8
/* System include directory specified by -isystem */
char * sysdir[ NSYSDIR] = { NULL, };
char ** sysdir_end = sysdir;
int integrated_cpp; /* Flag of cc1 which integrates cpp in it */
#elif COMPILER == LCC
const char * debug_name = "__LCCDEBUGLEVEL";
#endif
argv0 = argv[ 0];
nflag = unset_sys_dirs = show_path = sflag = trad = FALSE;
arch[ 0] = 0;
gval = sse = 0;
set_cplus_dir = TRUE;
/* Get current directory for -I option and #pragma once */
getcwd( cur_work_dir, PATHMAX);
#if SYS_FAMILY == SYS_WIN
bsl2sl( cur_work_dir);
#endif
sprintf( cur_work_dir + strlen( cur_work_dir), "%c%c", PATH_DELIM, EOS);
/* Append trailing path-delimiter */
#if COMPILER == GNUC
defp = look_id( "__GNUC__"); /* Already defined by init_defines() */
gcc_maj_ver = atoi( defp->repl);
defp = look_id( "__GNUC_MINOR__");
gcc_min_ver = atoi( defp->repl);
integrated_cpp = ((gcc_maj_ver == 3 && gcc_min_ver >= 3)
|| gcc_maj_ver == 4);
#endif
#if COMPILER == GNUC || COMPILER == MSC
option_flags.dollar_in_name = TRUE;
/* GCC and Visual C allows '$' in name by default */
#endif
set_opt_list( optlist);
opt_search: ;
while (mcpp_optind < argc
&& (opt = mcpp_getopt( argc, argv, optlist)) != EOF) {
switch (opt) { /* Command line option character */
#if COMPILER == GNUC
case '$': /* Forbid '$' in identifier */
option_flags.dollar_in_name = FALSE;
break;
#endif
case '+':
#if COMPILER == GNUC
plus:
#endif
if (cplus_val || sflag) {
mcpp_fputs( "warning: -+ option is ignored\n", ERR);
break;
}
cplus_val = CPLUS;
break;
#if COMPILER == GNUC
case '-':
if (memcmp( mcpp_optarg, "sysroot", 7) == 0) {
if (mcpp_optarg[ 7] == '=') /* --sysroot=DIR */
sysroot = mcpp_optarg + 8;
else if (mcpp_optarg[ 7] == EOS) /* --sysroot DIR */
sysroot = argv[ mcpp_optind++];
else
usage( opt);
break;
} else {
usage( opt);
}
#endif
case '2': /* Reverse digraphs recognition */
option_flags.dig = ! option_flags.dig;
break;
case '3': /* Reverse trigraph recogniion */
option_flags.trig = ! option_flags.trig;
break;
case '@': /* Special preprocessing mode */
old_mode = mcpp_mode;
if (str_eq( mcpp_optarg, "post")
|| str_eq( mcpp_optarg, "poststd"))
mcpp_mode = POST_STD; /* 'post-Standard' mode */
else if (str_eq( mcpp_optarg, "old")
|| str_eq( mcpp_optarg, "oldprep"))
mcpp_mode = OLD_PREP; /* 'old-Preprocessor' mode */
else if (str_eq( mcpp_optarg, "kr"))
mcpp_mode = KR; /* 'K&R 1st' mode */
else if (str_eq( mcpp_optarg, "std"))
mcpp_mode = STD; /* 'Standard' mode (default)*/
else if (str_eq( mcpp_optarg, "compat")) {
compat_mode = TRUE; /* 'compatible' mode */
mcpp_mode = STD;
}
else
usage( opt);
standard = (mcpp_mode == STD || mcpp_mode == POST_STD);
if (old_mode != STD && old_mode != mcpp_mode)
mcpp_fprintf( ERR, "Mode is redefined to: %s\n", mcpp_optarg);
break;
#if COMPILER == GNUC
case 'A': /* Ignore -A system(gnu), -A cpu(vax) or so */
break;
case 'a':
if (str_eq( mcpp_optarg, "nsi")) { /* -ansi */
look_and_install( "__STRICT_ANSI__", DEF_NOARGS_PREDEF, null
, "1");
ansi = TRUE;
break;
} else if (memcmp( mcpp_optarg, "uxbase", 6) == 0) {
mcpp_optind++;
break; /* Ignore '-auxbase some' or such nonsence */
#if SYSTEM == SYS_MAC
} else if (str_eq( mcpp_optarg, "rch")) { /* -arch */
strcpy( arch, argv[ mcpp_optind++]);
if (str_eq( arch, "ppc") || str_eq( arch, "ppc7400")
|| str_eq( arch, "ppc64")
|| str_eq( arch, "i386") || str_eq( arch, "i686")
|| str_eq( arch, "x86_64") || str_eq( arch, "amd64")) {
if (str_eq( arch, "i686"))
strcpy( arch, "i386");
else if (str_eq( arch, "amd64"))
strcpy( arch, "x86_64");
else if (str_eq( arch, "ppc7400"))
strcpy( arch, "ppc");
break;
} /* Else usage() */
#endif
}
usage( opt);
#elif COMPILER == MSC
case 'a':
if (memcmp( mcpp_optarg, "rch", 3) == 0) {
if (str_eq( mcpp_optarg + 3, ":SSE") /* -arch:SSE */
|| str_eq( mcpp_optarg + 3, ":sse"))
sse = 1;
else if (str_eq( mcpp_optarg + 3, ":SSE2") /* -arch:SSE2 */
|| str_eq( mcpp_optarg + 3, ":sse2"))
sse = 2;
/* Else ignore */
} else {
usage( opt);
}
break;
case 'A':
option_flags.lang_asm = TRUE; /* "assembler" source */
break;
#else
case 'a':
option_flags.lang_asm = TRUE; /* "assembler" source */
break;
#endif
#if ! STD_LINE_PREFIX
case 'b':
std_line_prefix = TRUE; /* Putout line and file infor- */
break; /* mation in C source style. */
#endif
case 'C': /* Keep comments */
option_flags.c = TRUE;
break;
#if COMPILER == GNUC
case 'c':
if (! integrated_cpp)
usage( opt);
break; /* Else ignore this option */
case 'd':
if (str_eq( mcpp_optarg, "M")) { /* -dM */
dMflag = TRUE;
no_output++;
} else if (str_eq( mcpp_optarg, "D")) { /* -dD */
dDflag = TRUE;
} else if (str_eq( mcpp_optarg, "igraphs")) { /* -digraphs */
option_flags.dig = TRUE;
} else if (str_eq( mcpp_optarg, "umpbase")) { /* -dumpbase */
; /* Ignore */
} else {
usage( opt);
}
break;
#endif /* COMPILER == GNUC */
case 'D': /* Define symbol */
if (def_cnt >= MAX_DEF) {
mcpp_fputs( "Too many -D options.\n", ERR);
longjmp( error_exit, -1);
}
def_list[ def_cnt++] = mcpp_optarg;
break;
case 'e':
/* Change the default MBCHAR encoding */
if (set_encoding( mcpp_optarg, FALSE, 0) == NULL)
usage( opt);
mb_changed = TRUE;
break;
#if COMPILER == GNUC
case 'E':
if (! integrated_cpp)
usage( opt);
break; /* Ignore this option */
case 'f':
if (memcmp( mcpp_optarg, "input-charset=", 14) == 0) {
/* Treat -finput-charset= as the same option as -e */
if (set_encoding( mcpp_optarg + 14, FALSE, 0) == NULL)
usage( opt);
mb_changed = TRUE;
} else if (str_eq( mcpp_optarg, "working-directory")) {
gcc_work_dir = TRUE;
} else if (str_eq( mcpp_optarg, "no-working-directory")) {
gcc_work_dir = FALSE;
} else if (str_eq( mcpp_optarg, "stack-protector")) {
look_and_install( "__SSP__", DEF_NOARGS_PREDEF, null, "1");
} else if (str_eq( mcpp_optarg, "stack-protector-all")) {
look_and_install( "__SSP_ALL__", DEF_NOARGS_PREDEF, null, "2");
} else if (str_eq( mcpp_optarg, "exceptions")) {
look_and_install( "__EXCEPTIONS", DEF_NOARGS_PREDEF, null
, "1");
} else if (str_eq( mcpp_optarg, "no-exceptions")) {
undef_list[ undef_cnt++] = "__EXCEPTIONS";
} else if (str_eq( mcpp_optarg, "PIC")
|| str_eq( mcpp_optarg, "pic")
|| str_eq( mcpp_optarg, "PIE")
|| str_eq( mcpp_optarg, "pie")) {
look_and_install( "__PIC__", DEF_NOARGS_PREDEF, null, "1");
look_and_install( "__pic__", DEF_NOARGS_PREDEF, null, "1");
} else if (str_eq( mcpp_optarg, "no-dollars-in-identifiers")) {
option_flags.dollar_in_name = FALSE;
} else if (str_eq( mcpp_optarg, "no-show-column")) {
; /* Ignore this option */
} else if (! integrated_cpp) {
usage( opt);
}
break;
case 'g':
if (!isdigit( *mcpp_optarg)
&& str_eq( argv[ mcpp_optind - 2], "-g"))
/* Neither '-g 0' nor '-ggdb' -- No argument */
mcpp_optind--;
break; /* Ignore the option */
#elif COMPILER == LCC
case 'g': /* Define __LCCDEBUGLEVEL as <n> */
if (*(mcpp_optarg + 1) == EOS && isdigit( *mcpp_optarg)) {
defp = look_id( debug_name);
strcpy( defp->repl, mcpp_optarg);
} else {
usage( opt);
}
break;
#elif COMPILER == MSC
case 'G':
if (*(mcpp_optarg + 1) == EOS) { /* -Gx */
switch (*mcpp_optarg) {
case '3': case '4': case '5': case '6':
gval = *mcpp_optarg;
break;
case 'B': /* -GB */
gval = '6';
break;
case 'R':
look_and_install( "_CPPRTTI", DEF_NOARGS_PREDEF, null
, "1");
break;
case 'X':
look_and_install( "_CPPUNWIND", DEF_NOARGS_PREDEF, null
, "1");
break;
case 'Z':
look_and_install( "__MSVC_RUNTIME_CHECKS"
, DEF_NOARGS_PREDEF, null, "1");
break;
default :
mcpp_fprintf( ERR, warning, opt, mcpp_optarg);
}
} else {
usage( opt);
}
break;
#endif
#if SYSTEM == SYS_MAC
case 'F':
framework[ num_framework++] = mcpp_optarg;
break;
#endif
case 'h':
if (*(mcpp_optarg + 1) == EOS && isdigit( *mcpp_optarg))
/* a digit */
look_and_install( "__STDC_HOSTED__", DEF_NOARGS_PREDEF, null
, mcpp_optarg);
else
usage( opt);
break;
#if COMPILER == MSC
case 'X':
unset_sys_dirs = TRUE;
break;
#endif
case 'I': /* Include directory */
if (str_eq( mcpp_optarg, "-")) { /* -I- */
#if COMPILER == GNUC
sys_dirp = incend; /* Split include directories */
i_split = TRUE;
#else
unset_sys_dirs = TRUE;
/* Unset pre-specified include directories */
#endif
} else if (*(mcpp_optarg + 1) == EOS && isdigit( *mcpp_optarg)
&& (i = *mcpp_optarg - '0') != 0
&& (i & ~(CURRENT | SOURCE)) == 0) {
search_rule = i; /* -I1, -I2 or -I3 */
} else { /* Not '-' nor a digit */
set_a_dir( mcpp_optarg); /* User-defined dir */
}
break;
#if COMPILER == MSC
case 'F':
if (str_eq( mcpp_optarg, "l")) { /* -Fl */
if (preinc_end >= &preinclude[ NPREINCLUDE]) {
mcpp_fputs( "Too many -Fl options.\n", ERR);
longjmp( error_exit, -1);
}
*preinc_end++ = argv[ mcpp_optind++];
} else {
usage( opt);
}
break;
#endif
#if COMPILER == GNUC
case 'i':
if (str_eq( mcpp_optarg, "nclude")) { /* -include */
if (preinc_end >= &preinclude[ NPREINCLUDE]) {
mcpp_fputs( "Too many -include options.\n", ERR);
longjmp( error_exit, -1);
}
*preinc_end++ = argv[ mcpp_optind++];
} else if (str_eq( mcpp_optarg, "system")) { /* -isystem */
if (sysdir_end >= &sysdir[ NSYSDIR]) {
mcpp_fputs( "Too many -isystem options.\n", ERR);
longjmp( error_exit, -1);
}
*sysdir_end++ = argv[ mcpp_optind++];
/* Add the directory before system include directory*/
} else if (str_eq( mcpp_optarg, "quote")) { /* -iquote */
if (quote_dir_end >= "e_dir[ N_QUOTE_DIR]) {
mcpp_fputs( "Too many -iquote options.\n", ERR);
longjmp( error_exit, -1);
}
*quote_dir_end++ = argv[ mcpp_optind++];
/* Add the directory for #include "header" */
} else if (memcmp( mcpp_optarg, "sysroot", 7) == 0) {
if (mcpp_optarg[ 7] == '=') /* -isysroot=DIR */
sysroot = mcpp_optarg + 8;
else if (mcpp_optarg[ 7] == EOS) /* -isysroot DIR */
sysroot = argv[ mcpp_optind++];
else
usage( opt);
} else if (str_eq( mcpp_optarg, "prefix") /* -iprefix */
|| str_eq( mcpp_optarg, "withprefix") /* -iwithprefix */
|| str_eq( mcpp_optarg, "withprefixbefore")
/* -iwithprefixbefore */
|| str_eq( mcpp_optarg, "dirafter") /* -idirafter */
|| str_eq( mcpp_optarg, "multilib")) { /* -imultilib */
mcpp_optind++; /* Skip the argument */
/* Ignore these options */
} else {
usage( opt);
}
break;
#endif
case 'j':
option_flags.no_source_line = TRUE;
break; /* Do not output the source line in diagnostics */
#if COMPILER == MSC
case 'J':
look_and_install( "_CHAR_UNSIGNED", DEF_NOARGS_PREDEF, null, "1");
break;
#endif
case 'K':
mcpp_debug |= MACRO_CALL;
/*
* Putout macro expansion informations embedded in comments.
* Same with '#pragma MCPP debug macro_call'.
*/
/* Enable white spaces preservation, too */
/* Fall through */
case 'k':
option_flags.k = TRUE;
/* Keep white spaces of input lines as they are */
break;
#if COMPILER == GNUC
case 'l':
if (memcmp( mcpp_optarg, "ang-", 4) != 0) {
usage( opt);
} else if (str_eq( mcpp_optarg + 4, "c")) { /* -lang-c */
; /* Ignore this option */
} else if (str_eq( mcpp_optarg + 4, "c99") /* -lang-c99*/
|| str_eq( mcpp_optarg + 4, "c9x")) { /* -lang-c9x*/
if (! sflag) {
stdc_val = 1; /* Define __STDC__ to 1 */
std_val = 199901L;
sflag = TRUE;
}
} else if (str_eq( mcpp_optarg + 4, "c89")) { /* -lang-c89*/
if (! sflag) {
stdc_val = 1; /* Define __STDC__ to 1 */
sflag = TRUE;
}
} else if (str_eq( mcpp_optarg + 4, "c++")) { /* -lang-c++*/
goto plus;
} else if (str_eq( mcpp_optarg + 4, "asm")) { /* -lang-asm*/
option_flags.lang_asm = TRUE;
} else {
usage( opt);
}
break;
#endif /* COMPILER == GNUC */
case 'M': /* Output source file dependency line */
if (str_eq( mcpp_optarg, "M")) { /* -MM */
;
} else if (str_eq( mcpp_optarg, "D")) { /* -MD */
mkdep |= (MD_SYSHEADER | MD_FILE);
} else if (str_eq( mcpp_optarg, "MD")) { /* -MMD */
mkdep |= MD_FILE;
} else if (str_eq( mcpp_optarg, "P")) { /* -MP */
mkdep |= MD_PHONY;
} else if (str_eq( mcpp_optarg, "Q")) { /* -MQ target */
mkdep |= MD_QUOTE;
mkdep_mq = argv[ mcpp_optind++];
} else if (str_eq( mcpp_optarg, "T")) { /* -MT target */
mkdep_mt = argv[ mcpp_optind++];
} else if (str_eq( mcpp_optarg, "F")) { /* -MF file */
mkdep_mf = argv[ mcpp_optind++];
} else if (argv[ mcpp_optind - 1] == mcpp_optarg) { /* -M */
mkdep |= MD_SYSHEADER;
mcpp_optind--;
} else {
usage( opt);
}
if (str_eq( mcpp_optarg, "D") || str_eq( mcpp_optarg, "MD")) {
cp = argv[ mcpp_optind];
if (cp && *cp != '-') /* -MD (-MMD) file */
mkdep_md = argv[ mcpp_optind++];
}
mkdep |= MD_MKDEP;
break;
#if SYS_FAMILY == SYS_UNIX
case 'm':
if (str_eq( mcpp_optarg, "64")) { /* -m64 */
if (str_eq( CPU, "i386"))
strcpy( arch, "x86_64");
else if (str_eq( CPU, "ppc"))
strcpy( arch, "ppc64");
/* Else ignore */
break;
} else if (str_eq( mcpp_optarg, "32")) { /* -m32 */
if (str_eq( CPU, "x86_64"))
strcpy( arch, "i386");
else if (str_eq( CPU, "ppc64"))
strcpy( arch, "ppc");
/* Else ignore */
break;
} else if (str_eq( mcpp_optarg, "mmx")) { /* -mmmx */
look_and_install( "__MMX__", DEF_NOARGS_PREDEF, null, "1");
break;
} else if (str_eq( mcpp_optarg, "no-mmx")) { /* -mno-mmx */
undef_list[ undef_cnt++] = "__MMX__";
break;
}
#endif /* SYS_FAMILY == UNIX */
#if COMPILER == GNUC
#if SYSTEM == SYS_CYGWIN
if (str_eq( mcpp_optarg, "no-cygwin")) { /* -mno-cygwin */
no_cygwin = TRUE;
break;
}
#endif
if (! integrated_cpp)
usage( opt);
break;
case 'u':
if (! str_eq( mcpp_optarg, "ndef")) /* -undef */
usage( opt); /* Else fall through */
#endif /* COMPILER == GNUC */
#if COMPILER == MSC
case 'u':
#endif
case 'N':
/* No predefines: remove "unix", "__unix__" and friends. */
nflag = TRUE;
break;
#if COMPILER == GNUC || NO_DIR
case 'n':
#if NO_DIR
if (str_eq( mcpp_optarg, "odir")) { /* -nodir */
no_dir = TRUE;
}
#endif
#if COMPILER == GNUC
if (str_eq( mcpp_optarg, "ostdinc")) { /* -nostdinc */
unset_sys_dirs = TRUE; /* Unset pre-specified directories */
} else if (str_eq( mcpp_optarg, "ostdinc++")) { /* -nostdinc++ */
set_cplus_dir = FALSE; /* Unset C++-specific directories */
} else if (str_eq( mcpp_optarg, "oprecomp")) { /* -noprecomp */
mcpp_fprintf( ERR, warning, opt, mcpp_optarg);
break;
}
#endif
else {
usage( opt);
}
break;
#endif
#if COMPILER == GNUC
case 'O':
if (integrated_cpp) {
if (*mcpp_optarg == '-') /* No argument */
mcpp_optind--;
else if ((isdigit( *mcpp_optarg) && *mcpp_optarg != '0')
|| *mcpp_optarg == 's' || *mcpp_optarg == 'z')
/* -O1, -O2 -Os, -Oz */
look_and_install( "__OPTIMIZE__", DEF_NOARGS_PREDEF, null
, "1");
else if (! isdigit( *mcpp_optarg))
usage( opt);
/* Else -O0: ignore */
} else {
usage( opt);
}
break; /* Else ignore -Ox option */
#elif COMPILER == LCC
case 'O': /* Define __LCCOPTIMLEVEL as 1 */
defp = look_id( optim_name);
strcpy( defp->repl, "1");
break;
#endif
case 'o':
*out_pp = mcpp_optarg; /* Output file name */
break;
case 'P': /* No #line output */
option_flags.p = TRUE;
break;
#if COMPILER == GNUC
case 'p':
if (str_eq( mcpp_optarg, "edantic") /* -pedantic */
|| str_eq( mcpp_optarg, "edantic-errors")) {
/* -pedantic-errors */
/* This option does not imply -ansi */
if (warn_level == -1)
warn_level = 0;
warn_level |= (1 | 2 | 4);
if (! sflag && ! cplus_val) {
stdc_val = 1;
sflag = TRUE;
}
} else {
usage( opt);
}
break;
case 'q':
if (str_eq( mcpp_optarg, "uiet"))
/* -quiet: GCC's undocumented, yet frequently specified opt */
break; /* Ignore the option */
else
usage( opt);
break;
#endif /* COMPILER == GNUC */
case 'Q':
option_flags.q = TRUE;
break;
#if COMPILER == MSC
case 'R': /* -RTC1, -RTCc, -RTCs, -RTCu, etc. */
if (memcmp( mcpp_optarg, "TC", 2) == 0
&& *(mcpp_optarg + 2) != EOS)
look_and_install( "__MSVC_RUNTIME_CHECKS", DEF_NOARGS_PREDEF
, null, "1");
else
usage( opt);
break;
#endif
case 'S':
if (cplus_val || sflag) { /* C++ or the second time */
mcpp_fprintf( ERR, warning, opt, mcpp_optarg);
break;
}
i = *mcpp_optarg;
if (! isdigit( i) || *(mcpp_optarg + 1) != EOS)
usage( opt);
stdc_val = i - '0';
sflag = TRUE;
break;
#if COMPILER == GNUC
case 'r':
if (str_eq( mcpp_optarg, "emap"))
mcpp_fprintf( ERR, warning, opt, mcpp_optarg);
/* Ignore -remap option */
else
usage( opt);
break;
case 's':
if (memcmp( mcpp_optarg, "td=", 3) == 0
&& strlen( mcpp_optarg) > 3) { /* -std=STANDARD*/
cp = mcpp_optarg + 3;
if (str_eq( cp, "c89") /* std=c89 */
|| str_eq( cp, "c90") /* std=c90 */
|| str_eq( cp, "gnu89") /* std=gnu89 */
|| str_eq( cp, "iso9899:1990")) {
std_val = 0L; /* C90 + extensions */
} else if (str_eq( cp, "c99") /* std=c99 */
|| str_eq( cp, "c9x") /* std=c9x */
|| str_eq( cp, "gnu99") /* std=gnu99 */
|| str_eq( cp, "gnu9x") /* std=gnu9x */
|| str_eq( cp, "iso9899:1999")
|| str_eq( cp, "iso9899:199x")) {
std_val = 199901L;
} else if (str_eq( cp, "c++98")) { /* std=c++98 */
cplus_val = std_val = 199711L;
} else if (memcmp( cp, "iso9899:", 8) == 0
&& strlen( cp) >= 14) { /* std=iso9899:199409, etc. */
mcpp_optarg = cp + 8;
look_and_install( "__STRICT_ANSI__", DEF_NOARGS_PREDEF
, null, "1");
ansi = TRUE;
goto Version;
} else if (memcmp( cp, "iso14882", 8) == 0) {
cp += 8;
ansi = TRUE;
if (cp && *cp == ':' && strlen( cp) >= 7) {
/* std=iso14882:199711, etc. */
cplus_val = CPLUS;
mcpp_optarg = cp + 1;
goto Version;
} else {
goto plus;
}
} else {
usage( opt);
}
if (! cplus_val && memcmp( cp, "gnu", 3) != 0) {
/* 'std=gnu*' does not imply -ansi */
look_and_install( "__STRICT_ANSI__", DEF_NOARGS_PREDEF
, null, "1");
ansi = TRUE;
}
stdc_val = 1;
sflag = TRUE;
} else {
usage( opt);
}
break;
case 't':
if (str_eq( mcpp_optarg, "raditional")
|| str_eq( mcpp_optarg, "raditional-cpp")) {
/* -traditional, -traditional-cpp */
trad = TRUE;
mcpp_mode = OLD_PREP;
} else if (str_eq( mcpp_optarg, "rigraphs")) {
option_flags.trig = TRUE; /* -trigraphs */
} else {
usage( opt);
}
break;
#endif /* COMPILER == GNUC */
#if COMPILER == MSC
case 'T':
if (strlen( mcpp_optarg) > 1)
usage( opt);
i = tolower( *mcpp_optarg); /* Fold case */
if (i == 'c') {
; /* Ignore this option */
} else if (i == 'p') {
cplus_val = CPLUS;
} else {
usage( opt);
}
break;
#endif
case 'U': /* Undefine macro */
if (undef_cnt >= MAX_UNDEF) {
mcpp_fputs( "Too many -U options.\n", ERR);
longjmp( error_exit, -1);
}
undef_list[ undef_cnt++] = mcpp_optarg;
break;
case 'V':
#if COMPILER == GNUC
Version:
#endif
valp = eval_num( mcpp_optarg);
if (valp->sign == VAL_ERROR)
usage( opt);
std_val = (long) valp->val;
break;
case 'v':
option_flags.v = TRUE;
show_path = TRUE;
break;
case 'W': /* warning level */
if (warn_level == -1) /* Have to initialize */
warn_level = 0;
#if COMPILER == GNUC
if (argv[ mcpp_optind - 1] == mcpp_optarg) { /* No argument */
/*
* Note: -W without argument is not officially supported.
* It may cause an error.
*/
warn_level |= (1 | 2 | 4 | 16);
mcpp_optind--;
} else if (str_eq( mcpp_optarg, "comment")
|| str_eq( mcpp_optarg, "comments")
|| str_eq( mcpp_optarg, "sign-compare")) {
warn_level |= 1;
} else if (str_eq( mcpp_optarg, "undef")) {
warn_level |= 4;
} else if (str_eq( mcpp_optarg, "all")) {
warn_level |= (1 | 16); /* Convert -Wall to -W17*/
} else if (str_eq( mcpp_optarg, "trigraphs")) {
warn_level |= 16;
}
#endif /* COMPILER == GNUC */
#if COMPILER == MSC
if (str_eq( mcpp_optarg, "all")) {
warn_level |= (1 | 16); /* Convert -Wall to -W17*/
} else if (str_eq( mcpp_optarg, "L")) {
option_flags.no_source_line = TRUE;
/* Single-line diagnostic */
}
#endif
if (isdigit( *mcpp_optarg)) {
warn_level |= parse_warn_level( mcpp_optarg, opt);
if (warn_level > 31 || warn_level < 0)
usage( opt);
}
if (warn_level == 0)
warn_level = 0xFF; /* Remember this option */
/* Else ignore the option */
break;
#if COMPILER == GNUC || COMPILER == MSC
case 'w': /* Same as -W0 */
warn_level = 0xFF; /* Remenber this option */
break;
#endif
#if COMPILER == GNUC
case 'x':
if (str_eq( mcpp_optarg, "c")) {
break; /* -x c -- ignore this */
} else if (str_eq( mcpp_optarg, "c++")) {
goto plus;
} else if (str_eq( mcpp_optarg, "assembler-with-cpp")) {
option_flags.lang_asm = TRUE;
break;
} else {
usage( opt);
}
break;
#endif
#if COMPILER == MSC
case 'Z':
if (str_eq( mcpp_optarg, "c:wchar_t")) { /* -Zc:wchar_t */
look_and_install( "_NATIVE_WCHAR_T_DEFINED", DEF_NOARGS_PREDEF
, null, "1");
look_and_install( "_WCHAR_T_DEFINED", DEF_NOARGS_PREDEF, null
, "1");
wchar_t_modified = TRUE;
} else if (str_eq( mcpp_optarg, "c:wchar_t-")) {/* -Zc:wchar_t- */
wchar_t_modified = TRUE; /* Do not define the macros */
} else if (str_eq( mcpp_optarg, "l")) {
look_and_install( "_VC_NODEFAULTLIB", DEF_NOARGS_PREDEF, null
, "1");
} else if (str_eq( mcpp_optarg, "a")) { /* -Za */
undefine( "_MSC_EXTENSIONS");
option_flags.dollar_in_name = FALSE;
} else if (str_eq( mcpp_optarg, "e")) {
/* Ignore -Ze silently */
break;
} else if (*(mcpp_optarg + 1) == EOS) {
/* -Z followed by one char */
mcpp_fprintf( ERR, warning, opt, mcpp_optarg);
/* Ignore the option with warning */
} else {
usage( opt);
}
break;
#endif
case 'z':
option_flags.z = TRUE; /* No output of included file */
break;
default: /* What is this one? */
usage( opt);
break;
} /* Switch on all options */
} /* For all arguments */
if (mcpp_optind < argc && set_files( argc, argv, in_pp, out_pp) != NULL)
goto opt_search; /* More options after the filename */
/* Check consistency of specified options, set some variables */
chk_opts( sflag, trad);
if (warn_level == -1) /* No -W option */
warn_level = 1; /* Default warning level */
else if (warn_level == 0xFF)
warn_level = 0; /* -W0 has high precedence */
#if SYSTEM == SYS_MAC
set_a_dir( NULL); /* Initialize incdir[] */
to_search_framework = incend;
/* Search framework[] next to the directory */
#endif
#if COMPILER == GNUC && SYSTEM == SYS_MAC
if (arch[ 0]) { /* -arch option has been specified */
if (((str_eq( CPU, "i386") || str_eq( CPU, "x86_64"))
&& (! str_eq( arch, "i386") && ! str_eq( arch, "x86_64")))
|| ((str_eq( CPU, "ppc") || str_eq( CPU, "ppc64"))
&& (! str_eq( arch, "ppc") && ! str_eq( arch, "ppc64")))) {
mcpp_fprintf( ERR, "Wrong argument of -arch option: %s\n", arch);
longjmp( error_exit, -1);
}
}
#endif
if (! arch[ 0]) {
/* None of -arch, -m32 or -m64 options has been specified. */
/* The CPU-specific-macros will be defined in init_cpu_macro(). */
strcpy( arch, CPU);
}
#if COMPILER != GNUC
init_cpu_macro( gval, sse);
#endif
#if COMPILER == GNUC
if (sysdir < sysdir_end) {
char ** dp = sysdir;
if (! sys_dirp || sys_dirp == incdir)
sys_dirp = dp;
while (dp < sysdir_end)
set_a_dir( *dp++);
}
if (*in_pp && str_eq( (*in_pp) + strlen( *in_pp) - 2, ".S"))
option_flags.lang_asm = TRUE; /* Input file name is *.S */
if (option_flags.lang_asm) {
look_and_install( "__ASSEMBLER__", DEF_NOARGS_PREDEF, null, "1");
option_flags.dollar_in_name = FALSE; /* Disable '$' in name */
}
if (! sys_dirp || sys_dirp == incdir)
sys_dirp = incend;
#endif
#if SYSTEM == SYS_MAC
init_framework(); /* After setting sys_dirp */
#endif
set_env_dirs();
if (! unset_sys_dirs)
set_sys_dirs( set_cplus_dir);
if (mkdep_mf) { /* -MF overrides -MD */
mkdep_fp = fopen( mkdep_mf, "w");
} else if (mkdep_md) {
mkdep_fp = fopen( mkdep_md, "w");
}
if (mkdep_mq) /* -MQ overrides -MT */
mkdep_target = mkdep_mq;
else if (mkdep_mt)
mkdep_target = mkdep_mt;
/* Normalize the path-list */
if (*in_pp && ! str_eq( *in_pp, "-")) {
char * tmp = norm_path( null, *in_pp, FALSE, FALSE);
if (tmp) /* The file exists */
*in_pp = tmp;
/* Else mcpp_main() will diagnose *in_pp and exit */
}
if (! (mcpp_debug & MACRO_CALL)) {
/* -K option alters behavior of -v option */
if (option_flags.v)
version();
if (show_path) {
fp_debug = stderr;
dump_path();
fp_debug = stdout;
}
}
}
static void version( void)
/*
* Print version message.
*/
{
const char * mes[] = {
#if MCPP_LIB
/* Write messages here, for example, "MySomeTool with ". */
#endif
#ifdef VERSION_MSG
"MCPP V.2.7.2 (2008/11) "
#else
"MCPP V.", VERSION, " (", DATE, ") "
#endif
#if COMPILER == INDEPENDENT
, "compiler-independent-build "
#else
#ifdef CMP_NAME
, "for ", CMP_NAME, " "
#endif
#endif
, "compiled by "
#ifdef VERSION_MSG
, VERSION_MSG
#else
#ifdef HOST_CMP_NAME
, HOST_CMP_NAME
#if HOST_COMPILER == GNUC
, " V.", GCC_MAJOR_VERSION, ".", GCC_MINOR_VERSION
#endif
#endif
#endif
, "\n",
NULL
};
const char ** mpp = mes;
while (*mpp)
mcpp_fputs( *mpp++, ERR);
}
static void usage(
int opt
)
/*
* Print usage.
*/
{
const char * mes[] = {
"Usage: ",
"mcpp",
" [-<opts> [-<opts>]] [<infile> [-<opts>] [<outfile>] [-<opts>]]\n",
" <infile> defaults to stdin and <outfile> defaults to stdout.\n",
"\nCommonly used options:\n",
#if COMPILER == GNUC
"-$ Forbid '$' in identifier.\n",
"-fno-dollars-in-identifiers Likewise.\n",
#endif
"-@MODE Specify preprocessing mode. MODE should be one of these 4:\n",
" -@std Standard conforming mode. (default)\n",
" -@poststd, -@post special 'post-Standard' mode.\n",
" -@kr K&R 1st mode.\n",
" -@oldprep, -@old 'old_preprocessor' mode (i.e. 'Reiser model' cpp).\n",
" -@compat Standard 'compatible' mode.\n",
#if COMPILER == MSC
"-arch:SSE, -arch:SSE2 Define the macro _M_IX86_FP as 1, 2 respectively.\n",
#endif
#if SYSTEM == SYS_MAC && COMPILER == GNUC
"-arch <arch> Change the target to <arch> (i386, x86_64, ppc, ppc64).\n",
#endif
#if ! STD_LINE_PREFIX
"-b Output #line lines in C source style.\n",
#endif
"-C Output also comments.\n",
"-D <macro>[=<value>] Define <macro> as <value> (default:1).\n",
"-D <macro(args)>[=<replace>] Define <macro(args)> as <replace>.\n",
#if COMPILER == GNUC
"-dM,-dD Dump all current macro definitions to output stream.\n",
#endif
"-e <encoding> Change the default multi-byte character encoding to one of:\n",
" euc_jp, gb2312, ksc5601, big5, sjis, iso2022_jp, utf8.\n",
#if SYSTEM == SYS_MAC
"-F <framework> Add <framework> to top of framework directory list.\n",
#endif
#if COMPILER == GNUC
"-finput-charset=<encoding> Same as -e <encoding>.\n",
" (Don't insert spaces around '=').\n",
"-f[no-]working-directory (Don't) emit #line marks with current\n",
" working directory.\n",
"-fstack-protector[-all] Add defines for GCC stack protector.\n",
"-f[no-]exceptions (Don't) add define for exception support.\n",
"-fpic,-fPIC,-fpie,-fPIE Add defines for PIC/PIE code.\n"
#endif
#if COMPILER == MSC
"-Fl <file> Include the <file> prior to the main input file.\n",
"-G<n> Define the macro _M_IX86 according to <n>.\n",
#endif
#if COMPILER == LCC
"-g <n> Define the macro __LCCDEBUGLEVEL as <n>.\n",
#endif
"-I <directory> Add <directory> to the #include search list.\n",
#if COMPILER == GNUC
"-isysroot <dir> Change root of system header directory to <dir>.\n",
"-include <file> Include the <file> prior to the main input file.\n",
"-isystem <dir> Look for include files in DIR, if not found in -I's.\n",
"-iquote <dir> Look for #include \"file\" (with quotes) in DIR.\n",
#else
"-I- Unset system or site specific include directories.\n",
#endif
#if COMPILER == MSC
"-J Define the macro _CHAR_UNSIGNED as 1.\n",
#endif
"-j Don't output the source line in diagnostics.\n",
"-M, -MM, -MD, -MMD, -MP, -MQ target, -MT target, -MF file\n",
" Output source file dependency line for makefile.\n",
#if SYS_FAMILY == SYS_UNIX
"-m32 Change target CPU from x86_64, ppc64 to i386, ppc, respectively.\n",
"-m64 Change target CPU from i386, ppc to x86_64, ppc64, respectively.\n",
"-[no-]mmx (Un-)define __MMX__.\n",
#endif
"-N Don't predefine any non-standard macros.\n",
#if COMPILER == GNUC
"-nostdinc Unset system or site specific include directories.\n",
#endif
#if COMPILER == LCC
"-O Define the macro __LCCOPTIMLEVEL as 1.\n",
#endif
"-o <file> Output to <file>.\n",
"-P Don't output #line lines.\n",
"-Q Output diagnostics to \"mcpp.err\" (default:stderr).\n",
#if COMPILER == MSC
"-RTC* Define the macro __MSVC_RUNTIME_CHECKS as 1.\n",
#endif
#if COMPILER == GNUC
"-traditional, -traditional-cpp Same as -@oldprep.\n",
#endif
"-U <macro> Undefine <macro>.\n",
#if COMPILER == GNUC
"-undef Same as -N.\n",
#endif
#if COMPILER == MSC
"-u Same as -N.\n",
#endif
"-v Show version and include directories of mcpp.\n",
"-W <level> Set warning level to <level> (OR of {0,1,2,4,8,16}, default:1).\n",
#if COMPILER == MSC
"-WL Same as -j.\n",
#endif
#if COMPILER == MSC || COMPILER == GNUC
"-w Same as -W0.\n",
#endif
#if COMPILER == MSC
"-X Same as -I-.\n",
"-Zc:wchar_t Define _NATIVE_WCHAR_T_DEFINED and _WCHAR_T_DEFINED as 1.\n",
"-Zl Define the macro _VC_NODEFAULTLIB as 1.\n",
#endif
"-z Don't output the included file, only defining macros.\n",
"\nOptions available with -@std (default) or -@poststd options:\n",
"-+ Process C++ source.\n",
#if DIGRAPHS_INIT
"-2 Disable digraphs.\n",
#else
"-2 Enable digraphs.\n",
#endif
#if COMPILER == GNUC
"-digraphs Enable digraphs.\n",
#endif
"-h <n> Re-define the pre-defined macro __STDC_HOSTED__ as <n>.\n",
#if COMPILER == GNUC
"-lang-c89 Same as -S1.\n",
"-lang-c99 Same as -S199901L.\n",
"-lang-c9x Likewise.\n",
"-lang-c++ Same as -+.\n",
"-lang-asm Same as -a.\n",
"-pedantic, -pedantic-errors Same as -W7.\n",
"-S <n> Redefine __STDC__ to <n>.\n",
#else
"-S <n> Redefine __STDC__ to <n>, undefine old style macros.\n",
#endif
#if COMPILER == GNUC
"-std=<STANDARD> Specify the standard to which the code should conform.\n",
" <STANDARD> may be one of: c90, c99, iso9899:1990, iso14882, etc.\n",
" iso9899:<n>, iso14882:<n> : Same as -V <n> (long in decimals).\n",
#endif
#if COMPILER == MSC
"-Tp Same as -+.\n",
#endif
"-V <n> Redefine __STDC_VERSION__ or __cplusplus to <n>.\n",
" C with -V199901L specifies C99 specs.\n",
" C++ with -V199901L specifies C99 compatible specs.\n",
#if COMPILER == GNUC
"-x c++ Same as -+.\n",
#endif
"\nOptions available with only -@std (default) option:\n",
"-@compat Expand recursive macro more than Standard.\n",
#if TRIGRAPHS_INIT
"-3 Disable trigraphs.\n",
#else
"-3 Enable trigraphs.\n",
#endif
"-K Output macro annotations embedding in comments.\n",
#if COMPILER == GNUC
"-trigraphs Enable trigraphs.\n",
#endif
"\nOptions available with -@std (default), -@kr or -@oldprep options:\n",
#if COMPILER == GNUC
"-lang-asm Same as -x assembler-with-cpp.\n",
"-x assembler-with-cpp Process \"assembler\" source.\n",
#elif COMPILER == MSC
"-A Process \"assembler\" source.\n",
#else
"-a Process \"assembler\" source.\n",
#endif
"-k Keep white spaces of input lines as they are.\n",
"\nFor further details see mcpp-manual.html.\n",
NULL,
};
const char * illegopt = "Incorrect option -%c%s\n";
const char * const * mpp = mes;
if (opt != '?')
mcpp_fprintf( ERR, illegopt, opt, mcpp_optarg ? mcpp_optarg : null);
version();
#if MCPP_LIB
mes[ 1] = argv0;
#endif
while (*mpp)
mcpp_fputs( *mpp++, ERR);
longjmp( error_exit, -1);
}
static void set_opt_list(
char * optlist
)
/*
* Set list of legal option characters.
*/
{
const char * list[] = {
#if ! STD_LINE_PREFIX
"b",
#endif
#if SYS_FAMILY == SYS_UNIX
"m:",
#endif
#if COMPILER == GNUC
"$A:a:cd:Ef:g:i:l:r:s:t:u:O:p:q:wx:",
#elif COMPILER == MSC
"Aa:F:G:JR:T:XZ:uw",
#elif COMPILER == LCC
"g:O",
#endif
#if COMPILER != GNUC && COMPILER != MSC
"a",
#endif
#if SYSTEM == SYS_MAC
"F:-:",
#endif
NULL
};
const char * const * lp = & list[ 0];
strcpy( optlist, "23+@:e:h:jkn:o:vzCD:I:KM:NPQS:U:V:W:");
/* Default options */
while (*lp)
strcat( optlist, *lp++);
if (strlen( optlist) >= OPTLISTLEN)
cfatal( "Bug: Too long option list", NULL, 0L, NULL); /* _F_ */
}
static int parse_warn_level(
const char * mcpp_optarg,
int opt
)
/*
* Parse warn level option.
* Warning level option is specified as '19' or '1|2|16' or even '3|16'.
* Even spaces are allowed as ' 1 | 2|16 '.
*/
{
const char * cp = mcpp_optarg;
int w, i;
w = i = 0;
while( *cp != EOS) {
while( *cp == ' ')
cp++; /* Skip spaces */
if (! isdigit( *cp))
break; /* Error */
while (isdigit( *cp)) {
i *= 10;
i += (*cp++ - '0');
}
while (*cp == ' ')
cp++;
if (*cp == '|') { /* Only digits or '|' are allowed */
w |= i; /* Take OR of the args */
i = 0;
cp++;
}
}
if (*cp != EOS) { /* Not ending with digit */
mcpp_fprintf( ERR, "Illegal warning level option \"%s\"\n"
, mcpp_optarg);
usage( opt);
}
w |= i; /* Take the last arg */
return w;
}
static void def_a_macro(
int opt, /* 'D' */
char * def /* Argument of -D option */
)
/*
* Define a macro specified by -D option.
* The macro maybe either object-like or function-like (with parameter).
*/
{
DEFBUF * defp;
char * definition; /* Argument of -D option */
char * cp;
int i;
/* Convert trigraphs for the environment which need trigraphs */
if (mcpp_mode == STD && option_flags.trig)
cnv_trigraph( def);
if (mcpp_mode == POST_STD && option_flags.dig)
cnv_digraph( def); /* Convert prior to installing macro */
definition = xmalloc( strlen( def) + 4);
strcpy( definition, def);
if ((cp = strchr( definition, '=')) != NULL) {
*cp = ' '; /* Remove the '=' */
cp = "\n"; /* Append <newline> */
} else {
cp = " 1\n"; /* With definition "1" */
}
strcat( definition, cp);
cp = definition;
while ((char_type[ *cp & UCHARMAX] & SPA) == 0)
cp++;
i = *cp;
*cp = EOS;
if ((defp = look_id( definition)) != NULL) /* Pre-defined */
undefine( definition);
*cp = i;
/* Now, save the definition. */
unget_string( definition, NULL);
if (do_define( FALSE, 0) == NULL) /* Define a macro */
usage( opt);
*cp = EOS;
if (str_eq( definition, "__STDC__")) {
defp = look_id( definition);
defp->nargs = DEF_NOARGS_STANDARD;
/* Restore Standard-predefinedness */
}
free( definition);
skip_nl(); /* Clear the appended <newline> */
}
static void chk_opts(
int sflag, /* Flag of Standard or post-Standard mode */
int trad /* -traditional (GCC only) */
)
/*
* Check consistency between the specified options.
* Set default value of some variables for each 'mcpp_mode'.
*/
{
int incompat = FALSE;
switch (mcpp_mode) {
case STD :
case POST_STD :
if (trad)
incompat = TRUE;
if (! stdc_val)
stdc_val = STDC;
break;
case KR :
case OLD_PREP :
#if COMPILER == GNUC
if (sflag || cplus_val || ansi || std_val != -1L)
#else
if (sflag || cplus_val || std_val != -1L)
#endif
incompat = TRUE;
if (option_flags.dig) {
if (option_flags.dig != DIGRAPHS_INIT)
incompat = TRUE;
else
option_flags.dig = 0;
}
break;
}
if (mcpp_mode == POST_STD
&& (option_flags.lang_asm || compat_mode || option_flags.k))
incompat = TRUE;
if (mcpp_mode != STD && option_flags.trig) {
if (option_flags.trig != TRIGRAPHS_INIT)
incompat = TRUE;
else
option_flags.trig = FALSE;
}
if (mcpp_mode != STD && (mcpp_debug & MACRO_CALL))
incompat = TRUE;
if ((mcpp_debug & MACRO_CALL)
&& (option_flags.lang_asm || option_flags.c)) {
mcpp_fputs( "Disabled -K option.\n", ERR);
mcpp_debug &= ~MACRO_CALL;
/* -a and -C options do not co-exist with -K */
}
if (incompat) {
mcpp_fputs( "Incompatible options are specified.\n", ERR);
usage( '?');
}
standard = (mcpp_mode == STD || mcpp_mode == POST_STD);
/* Modify magic characters in character type table. */
if (! standard)
char_type[ DEF_MAGIC] = 0;
if (mcpp_mode != STD)
char_type[ IN_SRC] = 0;
if (mcpp_mode == POST_STD || mcpp_mode == KR)
char_type[ TOK_SEP] = 0; /* TOK_SEP equals to COM_SEP */
if (mcpp_mode != STD)
char_type[ MAC_INF] = 0;
expand_init( compat_mode, ansi);
/* Set function pointer to macro expansion routine */
}
#if COMPILER != GNUC
static void init_cpu_macro (
int gval, /* Argument of -G option for MSC */
int sse /* Argument of -sse: option for MSC */
)
/*
* Set predefined macros for CPU.
* This routine is called from do_options() only once.
* GCC-specific-build defines these macro by init_gcc_macro().
*/
{
const char * cpu_macro[][ 7] = {
#if SYS_FAMILY == SYS_UNIX
{ "__i386__"
#if SYSTEM == SYS_CYGWIN
, "_X86_"
#endif
, NULL,},
{ "__x86_64__", "__amd64__", NULL,},
{ "__ppc__", "__powerpc__", NULL,},
{ "__ppc64__", "__powerpc64__", NULL,}
#elif SYS_FAMILY == SYS_WIN
{ "_WIN32", "__WIN32__", "_X86_"
#if SYSTEM == SYS_MINGW
, "__i386__"
#endif
, NULL,},
{ "_WIN32", "_WIN64", "__WIN64__", "_M_AMD64", "_AMD64_", "_X64_"
, NULL,}, /* "_WIN32" is defined even on Windows 64 */
{ NULL,}, /* Not supported */
{ NULL,} /* Not supported */
#endif
};
const char ** macro;
int index;
if (str_eq( arch, "i386"))
index = 0;
else if (str_eq( arch, "x86_64"))
index = 1;
else if (str_eq( arch, "ppc"))
index = 2;
else if (str_eq( arch, "ppc64"))
index = 3;
else
index = 9;
if (index == 9) { /* Unknown CPU */
look_and_install( "__" CPU "__", DEF_NOARGS_PREDEF, null, "1");
return;
}
macro = cpu_macro[ index];
while (*macro)
look_and_install( *macro++, DEF_NOARGS_PREDEF, null, "1");
#if SYS_FAMILY == SYS_WIN
if (index == 0) {
char val[] = "600";
if (gval)
val[ 0] = gval;
look_and_install( "_M_IX86", DEF_NOARGS_PREDEF, null, val);
val[ 0] = '0' + sse;
val[ 1] = '\0';
look_and_install( "_M_IX86_FP", DEF_NOARGS_PREDEF, null, val);
}
#endif
}
#endif /* COMPILER != GNUC */
static void init_predefines( void)
/*
* Set or unset predefined macros.
*/
{
char tmp[ 16];
if (std_val != -1L) { /* Version is specified */
if (cplus_val)
cplus_val = std_val; /* Value of __cplusplus */
else
stdc_ver = std_val; /* Value of __STDC_VERSION__ */
} else {
if (! cplus_val)
stdc_ver = stdc_val ? STDC_VERSION : 0L;
}
if (nflag) {
un_predefine( TRUE);
} else if (stdc_val || cplus_val) {
#if COMPILER != GNUC
un_predefine( FALSE); /* Undefine "unix" or so */
#endif
}
sprintf( tmp, "%ldL", cplus_val ? cplus_val : stdc_ver);
if (cplus_val) {
look_and_install( "__cplusplus", DEF_NOARGS_STANDARD, null, tmp);
} else {
if (stdc_ver)
look_and_install( "__STDC_VERSION__", DEF_NOARGS_STANDARD, null
, tmp);
#ifdef COMPILER_CPLUS
if (! nflag) /* Undefine pre-defined macro for C++ */
undefine( COMPILER_CPLUS);
#endif
}
set_limit();
stdc2 = cplus_val || stdc_ver >= 199901L;
stdc3 = (cplus_val >= 199901L) || (stdc_ver >= 199901L);
/* (cplus_val >= 199901L) makes C++ C99-compatible specs */
if (standard)
init_std_defines();
if (stdc3)
set_pragma_op();
}
static void init_std_defines( void)
/*
* For STD and POST_STD modes.
* The magic pre-defines are initialized with magic argument counts.
* expand_macro() notices this and calls the appropriate routine.
* DEF_NOARGS is one greater than the first "magic" definition.
* 'DEF_NOARGS - n' are reserved for pre-defined macros.
* __STDC_VERSION__ and __cplusplus are defined by chk_opts() and set_cplus().
*/
{
char tmp[ 16];
char timestr[ 14];
time_t tvec;
char * tstring;
look_and_install( "__LINE__", DEF_NOARGS_DYNAMIC - 1, null, "-1234567890");
/* Room for 11 chars (10 for long and 1 for '-' in case of wrap round. */
look_and_install( "__FILE__", DEF_NOARGS_DYNAMIC - 2, null, null);
/* Should be stuffed */
/* Define __DATE__, __TIME__ as present date and time. */
time( &tvec);
tstring = ctime( &tvec);
sprintf( timestr, "\"%.3s %c%c %.4s\"",
tstring + 4,
*(tstring + 8) == '0' ? ' ' : *(tstring + 8),
*(tstring + 9),
tstring + 20);
look_and_install( "__DATE__", DEF_NOARGS_DYNAMIC, null, timestr);
sprintf( timestr, "\"%.8s\"", tstring + 11);
look_and_install( "__TIME__", DEF_NOARGS_DYNAMIC, null, timestr);
if (! look_id( "__STDC_HOSTED__")) {
/*
* Some compilers, e.g. GCC older than 3.3, define this macro by
* -D option.
*/
sprintf( tmp, "%d", STDC_HOSTED);
look_and_install( "__STDC_HOSTED__", DEF_NOARGS_PREDEF, null, tmp);
}
#if COMPILER != GNUC /* GCC do not undefine __STDC__ on C++ */
if (cplus_val)
return;
#endif
/* Define __STDC__ as 1 or such for Standard conforming compiler. */
if (! look_id( "__STDC__")) {
sprintf( tmp, "%d", stdc_val);
look_and_install( "__STDC__", DEF_NOARGS_STANDARD, null, tmp);
}
}
#define LINE90LIMIT 32767
#define LINE_CPLUS_LIMIT 32767
static void set_limit( void)
/*
* Set the minimum translation limits specified by the Standards.
*/
{
if (cplus_val) { /* Specified by C++ 1998 Standard */
std_limits.str_len = SLEN_CPLUS_MIN;
std_limits.id_len = IDLEN_CPLUS_MIN;
std_limits.n_mac_pars = NMACPARS_CPLUS_MIN;
std_limits.exp_nest = EXP_NEST_CPLUS_MIN;
std_limits.blk_nest = BLK_NEST_CPLUS_MIN;
std_limits.inc_nest = INCLUDE_NEST_CPLUS_MIN;
std_limits.n_macro = NMACRO_CPLUS_MIN;
std_limits.line_num = LINE_CPLUS_LIMIT;
} else if (stdc_ver >= 199901L) { /* Specified by C 1999 Standard */
std_limits.str_len = SLEN99MIN;
std_limits.id_len = IDLEN99MIN;
std_limits.n_mac_pars = NMACPARS99MIN;
std_limits.exp_nest = EXP_NEST99MIN;
std_limits.blk_nest = BLK_NEST99MIN;
std_limits.inc_nest = INCLUDE_NEST99MIN;
std_limits.n_macro = NMACRO99MIN;
std_limits.line_num = LINE99LIMIT;
} else if (standard) { /* Specified by C 1990 Standard */
std_limits.str_len = SLEN90MIN;
std_limits.id_len = IDLEN90MIN;
std_limits.n_mac_pars = NMACPARS90MIN;
std_limits.exp_nest = EXP_NEST90MIN;
std_limits.blk_nest = BLK_NEST90MIN;
std_limits.inc_nest = INCLUDE_NEST90MIN;
std_limits.n_macro = NMACRO90MIN;
std_limits.line_num = LINE90LIMIT;
}
/* Else pre-Standard mode */
}
static void set_pragma_op( void)
/*
* #define _Pragma(a) _Pragma ( a )
* Define _Pragma() operator as a special macro so as to be searched
* easily. The unusual 'DEF_PRAGMA' is a marker of this psuedo
* macro.
*/
{
char * name = "_Pragma";
char tmp[ 16];
sprintf( tmp, "%c%s ( %c%c )", DEF_MAGIC, name, MAC_PARM, 1);
/* Replacement text */
look_and_install( name, DEF_PRAGMA, "a", tmp);
}
void init_sys_macro( void)
/*
* Define system-specific macros and some Standard required macros
* and undefine macros specified by -U options.
*/
{
/* This order is important. */
def_macros(); /* Define macros specified by -D */
#if COMPILER == GNUC
chk_env();
#endif
init_predefines(); /* Define predefined macros */
#if COMPILER == GNUC
init_gcc_macro();
#elif COMPILER == MSC
init_msc_macro();
#endif
undef_macros(); /* Undefine macros specified by -U */
if (mcpp_debug & MACRO_CALL)
dump_def( FALSE, TRUE); /* Finally putout current macro names */
}
void at_start( void)
/*
* Do the commands prior to processing main source file after do_options().
*/
{
char * env;
FILEINFO * file_saved = infile;
/*
* Set multi-byte character encoding according to environment variables
* LC_ALL, LC_CTYPE and LANG -- with preference in this order.
*/
if (! mb_changed) { /* -m option precedes */
if ((env = getenv( "LC_ALL")) != NULL)
set_encoding( env, "LC_ALL", 0);
else if ((env = getenv( "LC_CTYPE")) != NULL)
set_encoding( env, "LC_CTYPE", 0);
else if ((env = getenv( "LANG")) != NULL)
set_encoding( env, "LANG", 0);
}
#if COMPILER == GNUC || COMPILER == MSC
if (option_flags.dollar_in_name)
char_type[ 0x24] |= LET; /* Enable '$' in identifiers */
/*
* Do the -include (-Fl for MSC) options in the specified order.
* Note: This functionality is implemented as nested #includes
* which results the same effect as sequential #includes.
*/
{
char ** preinc;
/*
* Note: Here, 'infile' is the main input file, which is pseudo-
* parent file of the files to pre-include. So, we must
* temporarily set the infile's directory to the current directory
* in order to preinclude the files relative to it.
*/
preinc = preinc_end;
while (preinclude <= --preinc && *preinc != NULL)
open_file( &null, NULL, *preinc, TRUE, TRUE, FALSE);
}
#endif
put_info( file_saved);
}
static void put_info(
FILEINFO * sharp_file
)
/*
* Putout compiler-specific information.
*/
{
if (no_output || option_flags.p)
return;
sharp_file->line++;
sharp( sharp_file, 0);
sharp_file->line--;
#if COMPILER == GNUC
if (gcc_work_dir)
mcpp_fprintf( OUT, "%s%ld \"%s%c\"\n"
, std_line_prefix ? "#line " : LINE_PREFIX
, 1, cur_work_dir, '/');
/* Putout the current directory as a #line line as: */
/* '# 1 "/abs-path/cur_dir//"'. */
mcpp_fprintf( OUT, "%s%ld \"<built-in>\"\n"
, std_line_prefix ? "#line " : LINE_PREFIX , 1);
mcpp_fprintf( OUT, "%s%ld \"<command line>\"\n"
, std_line_prefix ? "#line " : LINE_PREFIX , 1);
mcpp_fprintf( OUT, "%s%ld \"%s\"%s\n"
, std_line_prefix ? "#line " : LINE_PREFIX, 1, cur_fullname
, ! str_eq( cur_fullname, sharp_file->full_fname) ? " 1" : null);
/* Suffix " 1" for the file specified by -include */
#endif
}
static char * set_files(
int argc,
char ** argv,
char ** in_pp,
char ** out_pp
)
/*
* Set input and/or output files.
*/
{
char * cp;
if (*in_pp == NULL) { /* Input file */
cp = argv[ mcpp_optind++];
#if SYS_FAMILY == SYS_WIN
cp = bsl2sl( cp);
#endif
*in_pp = cp;
}
if (mcpp_optind < argc && argv[ mcpp_optind][ 0] != '-'
&& *out_pp == NULL) {
cp = argv[ mcpp_optind++];
#if SYS_FAMILY == SYS_WIN
cp = bsl2sl( cp);
#endif
*out_pp = cp; /* Output file */
}
if (mcpp_optind >= argc)
return NULL; /* Exhausted command line arguments */
if (argv[ mcpp_optind][ 0] == '-')
return argv[ mcpp_optind]; /* More options */
cfatal( "Excessive file argument \"%s\"", argv[ mcpp_optind], 0L , NULL);
return NULL;
}
static void set_env_dirs( void)
/*
* Add to include path those specified by environment variables.
*/
{
const char * env;
if (cplus_val) {
if ((env = getenv( ENV_CPLUS_INCLUDE_DIR)) != NULL)
parse_env( env);
}
if ((env = getenv( ENV_C_INCLUDE_DIR)) != NULL)
parse_env( env);
}
static void parse_env(
const char * env
)
/*
* Parse environmental variable and append the path to include-dir-list.
*/
{
char * save;
char * save_start;
char * p;
int sep;
save = save_start = save_string( env);
while (*save) {
p = save;
while (*p && *p != ENV_SEP)
p++;
if (p != save) { /* Variable separator */
sep = *p;
*p = EOS;
set_a_dir( save);
if (sep == EOS)
break;
save = ++p;
}
while (*save == ENV_SEP)
++save;
}
free( save_start);
}
static void set_sys_dirs(
int set_cplus_dir /* Set C++ include-directory too */
)
/*
* Set site-specific and system-specific directories to the include directory
* list.
*/
{
if (cplus_val && set_cplus_dir) {
#ifdef CPLUS_INCLUDE_DIR1
set_a_dir( CPLUS_INCLUDE_DIR1);
#endif
#ifdef CPLUS_INCLUDE_DIR2
set_a_dir( CPLUS_INCLUDE_DIR2);
#endif
#ifdef CPLUS_INCLUDE_DIR3
set_a_dir( CPLUS_INCLUDE_DIR3);
#endif
#ifdef CPLUS_INCLUDE_DIR4
set_a_dir( CPLUS_INCLUDE_DIR4);
#endif
}
#if SYS_FAMILY == SYS_UNIX
set_a_dir( "/usr/local/include");
#endif
#ifdef C_INCLUDE_DIR1
set_a_dir( C_INCLUDE_DIR1);
#endif
#ifdef C_INCLUDE_DIR2
set_a_dir( C_INCLUDE_DIR2);
#endif
#if SYS_FAMILY == SYS_UNIX
#if SYSTEM == SYS_CYGWIN
if (no_cygwin) /* -mno-cygwin */
set_a_dir( "/usr/include/mingw");
else
set_a_dir( "/usr/include");
#else
set_a_dir( "/usr/include"); /* Should be placed after C_INCLUDE_DIR? */
#endif
#endif
}
static void set_a_dir(
const char * dirname /* The path-name */
)
/*
* Append an include directory.
* This routine is called from the following routines (in this order).
* 1. do_options() by -I option.
* 2. do_options() by -isystem option (for GNUC).
* 3. set_env_dirs() by environment variables.
* 4. set_sys_dirs() by CPLUS_INCLUDE_DIR?, C_INCLUDE_DIR? and system-
* specifics (unless -I- or -nostdinc option is specified).
* Ignore non-existent directory.
* Note that this routine should be called only in initializing steps,
* because increase of include dirs causes reallocation of incdir[].
* Note: a trailing PATH-DELIM is appended by norm_path().
*/
{
char * norm_name;
const char ** ip;
if (incdir == NULL) { /* Should be initialized */
max_inc = INIT_NUM_INCLUDE;
incdir = (const char **) xmalloc( sizeof (char *) * max_inc);
incend = &incdir[ 0];
} else if (incend - incdir >= max_inc) { /* Buffer full */
#if SYSTEM == SYS_MAC
size_t framework_pos = to_search_framework - incdir;
#endif
#if COMPILER == GNUC
size_t sys_pos = 0;
if (sys_dirp)
sys_pos = sys_dirp - incdir;
#endif
incdir = (const char **) xrealloc( (void *) incdir
, sizeof (char *) * max_inc * 2);
incend = &incdir[ max_inc];
#if COMPILER == GNUC
if (sys_pos)
sys_dirp = &incdir[ sys_pos];
#endif
#if SYSTEM == SYS_MAC
to_search_framework = &incdir[ framework_pos];
#endif
max_inc *= 2;
}
if (dirname == NULL)
return; /* Only to initialize incdir[] */
norm_name = norm_dir( dirname, FALSE);
if (! norm_name) /* Non-existent */
return;
for (ip = incdir; ip < incend; ip++) {
if (str_case_eq( *ip, norm_name)) {
if (option_flags.v && ! (mcpp_debug & MACRO_CALL))
mcpp_fprintf( ERR, "Duplicate directory \"%s\" is ignored\n"
, norm_name);
free( norm_name); /* Already registered */
return;
}
}
/* Register new directory */
*incend++ = norm_name;
}
#if SYSTEM == SYS_MAC && COMPILER == GNUC
/* Definitions for "header map" file of Xcode / Apple-GCC. */
/* These definitions were taken from cpplib.h of Apple-GCC-4.0.1 */
#define HMAP_SAME_ENDIANNESS_MAGIC \
(((((('h' << 8) | 'm') << 8) | 'a') << 8) | 'p')
typedef unsigned short uint16;
typedef unsigned int uint32;
struct hmap_bucket
{
uint32 key; /* Offset (into strings) of key */
struct {
uint32 prefix; /* Offset (into strings) of value prefix */
uint32 suffix; /* Offset (into strings) of value suffix */
} value; /* Value (prefix- and suffix-strings) */
};
struct hmap_header_map
{
uint32 magic; /* Magic word, also indicates byte order */
uint16 version; /* Version number -- currently 1 */
uint16 _reserved; /* Reserved for future use -- zero for now */
uint32 strings_offset; /* Offset to start of string pool */
uint32 count; /* Number of entries in the string table */
uint32 capacity; /* Number of buckets (always a power of 2) */
uint32 max_value_length;
/* Length of longest result path (excl. '\0') */
struct hmap_bucket buckets[1];
/* Inline array of 'capacity' maptable buckets */
/* Strings follow the buckets, at strings_offset. */
};
#endif
static char * norm_dir(
const char * dirname, /* Directory path to normalize */
int framework /* Setting a framework directory*/
)
/*
* Normalize include directory path.
* Handle -isysroot option for GCC, including framework directory for SYS_MAC.
*/
{
char * norm_name;
#if COMPILER == GNUC
if (sysroot && sys_dirp) {
/* Logical system root specified and dirname is system header dir */
char delim[ 2] = { EOS, EOS};
char * dir;
#if SYSTEM == SYS_MAC
if (! framework && memcmp( dirname, "/usr/", 5) != 0)
return NULL; /* /Developer/usr/lib/gcc/ */
#endif
if (dirname[ 0] != PATH_DELIM)
delim[ 0] = PATH_DELIM;
dir = xmalloc( strlen( sysroot) + strlen( dirname) + 2);
sprintf( dir, "%s%s%s", sysroot, delim, dirname);
dirname = dir;
}
#endif
#if SYSTEM == SYS_MAC && COMPILER == GNUC
if (strlen( dirname) > 5
&& str_case_eq( dirname + strlen( dirname) - 5, ".hmap")) {
/* "header map" file (not an include directory) */
norm_name = norm_path( null, dirname, FALSE, TRUE);
if (! norm_name && option_flags.v)
mcpp_fprintf( ERR, "Invalid header map file \"%s\" is ignored\n"
, dirname);
} else
#endif
{
norm_name = norm_path( dirname, NULL, FALSE, FALSE);
/* Normalize the pathname to compare */
if (! norm_name && option_flags.v && ! (mcpp_debug & MACRO_CALL))
mcpp_fprintf( ERR, "Non-existent directory \"%s\" is ignored\n"
, dirname);
}
#if COMPILER == GNUC
if (sysroot && sys_dirp)
free( dirname);
#endif
return norm_name;
}
static char * norm_path(
const char * dir, /* Include directory (maybe "", never NULL) */
const char * fname,
/* Filename (possibly has directory part, or maybe NULL) */
int inf, /* If TRUE, output some infs when (mcpp_debug & PATH) */
int hmap /* "header map" file of Apple-GCC */
)
/*
* Normalize the pathname removing redundant components such as
* "foo/../", "./" and trailing "/.".
* Append trailing "/" if 'fname' is NULL.
* Change relative path to absolute path.
* Dereference a symbolic linked file (or directory) to a real directory/file.
* Return a malloc'ed buffer, if the directory/file exists.
* Return NULL, if the specified directory/file does not exist or 'dir' is
* not a directory or 'fname' is not a regular file.
* This routine is called from set_a_dir(), init_gcc_macro(), do_once() and
* open_file().
*/
{
char * norm_name; /* The path-list converted */
char * start;
char * cp1;
char * cp2;
char * abs_path;
int len; /* Should not be size_t */
size_t start_pos = 0;
char slbuf1[ PATHMAX+1]; /* Working buffer */
#if SYS_FAMILY == SYS_UNIX
char slbuf2[ PATHMAX+1]; /* Working buffer for dereferencing */
#endif
#if SYSTEM == SYS_CYGWIN || SYSTEM == SYS_MINGW
static char * root_dir;
/* System's root directory in Windows file system */
static size_t root_dir_len;
#if SYSTEM == SYS_CYGWIN
static char * cygdrive = "/cygdrive/"; /* Prefix for drive letter */
#else
static char * mingw_dir; /* "/mingw" dir in Windows */
static size_t mingw_dir_len;
#endif
#endif
#if HOST_COMPILER == MSC
struct _stat st_buf;
#else
struct stat st_buf;
#endif
if (! dir || (*dir && is_full_path( fname)))
cfatal( "Bug: Wrong argument to norm_path()" /* _F_ */
, NULL, 0L, NULL);
inf = inf && (mcpp_debug & PATH); /* Output information */
strcpy( slbuf1, dir); /* Include directory */
len = strlen( slbuf1);
if (fname && len && slbuf1[ len - 1] != PATH_DELIM) {
slbuf1[ len] = PATH_DELIM; /* Append PATH_DELIM */
slbuf1[ ++len] = EOS;
} else if (! fname && len && slbuf1[ len - 1] == PATH_DELIM) {
/* stat() of some systems do not like trailing '/' */
slbuf1[ --len] = EOS;
}
if (fname)
strcat( slbuf1, fname);
if (stat( slbuf1, & st_buf) != 0 /* Non-existent */
|| (! fname && ! S_ISDIR( st_buf.st_mode))
/* Not a directory though 'fname' is not specified */
|| (fname && ! S_ISREG( st_buf.st_mode)))
/* Not a regular file though 'fname' is specified */
return NULL;
#if SYSTEM == SYS_MAC && COMPILER == GNUC
if (hmap) { /* Dirty "header map" file */
struct hmap_header_map hmap;
size_t cnt;
FILE * fp;
fp = fopen( fname, "r");
cnt = fread( & hmap, sizeof (struct hmap_header_map), 1, fp);
fclose( fp);
if (cnt == 0 || hmap.magic != HMAP_SAME_ENDIANNESS_MAGIC)
return NULL;
}
#endif
if (! fname) {
slbuf1[ len] = PATH_DELIM; /* Append PATH_DELIM */
slbuf1[ ++len] = EOS;
}
#if SYS_FAMILY == SYS_UNIX
/* Dereference symbolic linked directory or file, if any */
slbuf1[ len] = EOS; /* Truncate PATH_DELIM and 'fname' part, if any */
slbuf2[ 0] = EOS;
if (*dir && ! fname) { /* Registering include directory */
/* Symbolic link check of directories are required */
deref_syml( slbuf1, slbuf2, slbuf1);
} else if (fname) { /* Regular file */
len = strlen( slbuf1);
strcat( slbuf1, fname);
deref_syml( slbuf1, slbuf2, slbuf1 + len);
/* Symbolic link check of directory */
if ((len = readlink( slbuf1, slbuf2, PATHMAX)) > 0) {
/* Dereference symbolic linked file (not directory) */
*(slbuf2 + len) = EOS;
cp1 = slbuf1;
if (slbuf2[ 0] != PATH_DELIM) { /* Relative path */
cp2 = strrchr( slbuf1, PATH_DELIM);
if (cp2) /* Append to the source directory */
cp1 = cp2 + 1;
}
strcpy( cp1, slbuf2);
}
}
if (inf) {
if (slbuf2[ 0])
mcpp_fprintf( DBG, "Dereferenced \"%s%s\" to \"%s\"\n"
, dir, fname ? fname : null, slbuf1);
}
#endif
len = strlen( slbuf1);
start = norm_name = xmalloc( len + 1); /* Need a new buffer */
strcpy( norm_name, slbuf1);
#if SYS_FAMILY == SYS_WIN
bsl2sl( norm_name);
#endif
#if SPECIAL_PATH_DELIM /* ':' ? */
for (cp1 = norm_name; *cp1 != EOS; cp1++) {
if (*cp1 == PATH_DELIM)
*cp1 = '/';
}
#endif
cp1 = norm_name;
#if SYSTEM == SYS_CYGWIN
/* Convert to "/cygdirve/x/dir" style of absolute path-list */
if (len >= 8 && (memcmp( cp1, "/usr/bin", 8) == 0
|| memcmp( cp1, "/usr/lib", 8) == 0)) {
memmove( cp1, cp1 + 4, len - 4 + 1); /* Remove "/usr" */
len -= 4;
}
if (*cp1 == '/' && (len < 10 || memcmp( cp1, cygdrive, 10) != 0)) {
/* /dir, not /cygdrive/ */
if (! root_dir_len) { /* Should be initialized */
/* Convert "X:\DIR-list" to "/cygdrive/x/dir-list" */
root_dir = xmalloc( strlen( CYGWIN_ROOT_DIRECTORY) + 1);
strcpy( root_dir, CYGWIN_ROOT_DIRECTORY);
*(root_dir + 1) = *root_dir; /* "x:/" to " x/" */
cp1 = xmalloc( strlen( cygdrive) + strlen( root_dir));
strcpy( cp1, cygdrive);
strcat( cp1, root_dir + 1);
free( root_dir);
root_dir = cp1;
root_dir_len = strlen( root_dir);
}
cp1 = xmalloc( root_dir_len + len + 1);
strcpy( cp1, root_dir);
strcat( cp1, norm_name); /* Convert to absolute path */
free( norm_name);
norm_name = start = cp1;
len += root_dir_len;
}
#endif
#if SYSTEM == SYS_MINGW
/* Handle the mess of MinGW's path-list */
/* Convert to "x:/dir" style of absolute path-list */
if (*cp1 == PATH_DELIM && isalpha( *(cp1 + 1))
&& *(cp1 + 2) == PATH_DELIM) { /* /c/, /d/, etc*/
*cp1 = *(cp1 + 1);
*(cp1 + 1) = ':'; /* Convert to c:/, d:/, etc */
} else if (memcmp( cp1, "/mingw", 6) == 0) {
if (! mingw_dir_len) { /* Should be initialized */
mingw_dir_len = strlen( MINGW_DIRECTORY);
mingw_dir = xmalloc( mingw_dir_len + 1);
strcpy( mingw_dir, MINGW_DIRECTORY);
}
cp1 = xmalloc( mingw_dir_len + len + 1);
strcpy( cp1, mingw_dir);
strcat( cp1, norm_name + 6); /* Convert to absolute path */
free( norm_name);
norm_name = start = cp1;
len += mingw_dir_len;
} else if (memcmp( cp1, "/usr", 4) == 0) {
memmove( cp1, cp1 + 4, len - 4 + 1); /* Remove "/usr" */
len -= 4;
}
if (*cp1 == '/') { /* /dir or / */
if (! root_dir_len) { /* Should be initialized */
root_dir_len = strlen( MSYS_ROOT_DIRECTORY);
root_dir = xmalloc( root_dir_len + 1);
strcpy( root_dir, MSYS_ROOT_DIRECTORY);
}
cp1 = xmalloc( root_dir_len + len + 1);
strcpy( cp1, root_dir);
strcat( cp1, norm_name); /* Convert to absolute path */
free( norm_name);
norm_name = start = cp1;
len += root_dir_len;
}
#endif
#if SYS_FAMILY == SYS_WIN
if (*(cp1 + 1) == ':')
start = cp1 += 2; /* Next to the drive letter */
start_pos = 2;
#endif
if (len == 1 && *norm_name == '/') /* Only "/" */
return norm_name;
if (strncmp( cp1, "./", 2) == 0) /* Remove beginning "./" */
memmove( cp1, cp1 + 2, strlen( cp1 + 2) + 1); /* +1 for EOS */
if (*start != '/') { /* Relative path to current directory */
/* Make absolute path */
abs_path = xmalloc( len + strlen( cur_work_dir) + 1);
cp1 = stpcpy( abs_path, cur_work_dir);
strcpy( cp1, start);
free( norm_name);
norm_name = abs_path;
start = cp1 = norm_name + start_pos;
}
while ((cp1 = strstr( cp1, "/./")) != NULL)
memmove( cp1, cp1 + 2, strlen( cp1 + 2) + 1);
/* Remove "/." of "/./" */
cp1 = start;
/* Remove redundant "foo/../" */
while ((cp1 = strstr( cp1, "/../")) != NULL) {
*cp1 = EOS;
if ((cp2 = strrchr( start, '/')) != NULL) {
if (*(cp1 - 1) != '.') {
memmove( cp2 + 1, cp1 + 4, strlen( cp1 + 4) + 1);
/* Remove "foo/../" */
cp1 = cp2;
} else { /* Impossible */
break;
}
} else { /* Impossible */
break;
}
}
#if SPECIAL_PATH_DELIM
for (cp1 = start; *cp1 != EOS; cp1++) {
if (*cp1 == '/')
*cp1 = PATH_DELIM;
}
#endif
if (inf) {
char debug_buf[ PATHMAX+1];
strcpy( debug_buf, dir);
strcat( debug_buf, fname ? fname : null);
#if SYS_FAMILY == SYS_WIN
bsl2sl( debug_buf);
#endif
if (! str_eq( debug_buf, norm_name))
mcpp_fprintf( DBG, "Normalized the path \"%s\" to \"%s\"\n"
, debug_buf, norm_name);
}
return norm_name;
}
#if SYS_FAMILY == SYS_UNIX
static void deref_syml(
char * slbuf1, /* Original path-list */
char * slbuf2, /* Working buffer */
char * chk_start /* Pointer into slbuf1 */
)
/* Dereference symbolic linked directory */
{
char * cp2;
int len; /* Should be int, not size_t */
while ((chk_start = strchr( chk_start, PATH_DELIM)) != NULL) {
*chk_start = EOS;
if ((len = readlink( slbuf1, slbuf2, PATHMAX)) > 0) {
/* Dereference symbolic linked directory */
cp2 = strrchr( slbuf1, PATH_DELIM); /* Previous delimiter */
*chk_start = PATH_DELIM;
strcpy( slbuf2 + len, chk_start);
if (slbuf2[ 0] == PATH_DELIM) { /* Absolute path */
strcpy( slbuf1, slbuf2);
chk_start = slbuf1 + len + 1;
} else {
if (cp2)
chk_start = cp2 + 1;
else
chk_start = slbuf1;
strcpy( chk_start, slbuf2); /* Rewrite the path */
chk_start += len;
}
} else {
*chk_start++ = PATH_DELIM;
}
}
}
#endif
#if COMPILER == GNUC
static void init_gcc_macro( void)
/*
* Predefine GCC macros.
* This routine should be called after opening output file in order to putout
* macro informations by -K option into the file.
* Also this routine should be called before undef_macros() in order to
* permit undefining a macro by -U option.
*/
{
char fname[ BUFSIZ];
char lbuf[ BUFSIZ];
char * include_dir; /* The version-specific include directory */
char * tmp;
FILE * fp;
DEFBUF * defp;
const char * cp;
char * tp;
int i;
if (nflag) /* -undef option */
goto undef_special;
tmp = xmalloc( strlen( INC_DIR) + strlen( "/mingw/mcpp-gcc-")
+ strlen( arch) + 1);
#if SYSTEM == SYS_CYGWIN
if (no_cygwin) {
sprintf( tmp, "%s/mingw/mcpp-gcc-%s", INC_DIR, arch);
} else {
sprintf( tmp, "%s/mcpp-gcc-%s", INC_DIR, arch);
}
#else
sprintf( tmp, "%s/mcpp-gcc-%s", INC_DIR, arch);
#endif
include_dir = norm_path( tmp, NULL, TRUE, FALSE);
free( tmp);
for (i = 0; i <= 1; i++) {
int nargs;
if ((mcpp_mode == POST_STD || ansi) && i == 0)
continue; /* POST_STD or __STRICT_ANSI__ does not */
/* predefine non-conforming macros */
/* The predefined macro file */
cp = i ? "std" : "old";
sprintf( fname, "%sg%s%d%d_predef_%s.h"
, include_dir, cplus_val ? "xx" : "cc"
, gcc_maj_ver, gcc_min_ver, cp);
/* Note that norm_path() append a PATH_DELIM. */
if ((fp = fopen( fname, "r")) == NULL) {
mcpp_fprintf( ERR, "The mode for %s has not been installed.\n"
, arch);
longjmp( error_exit, -1);
}
nargs = i ? 0 : DEF_NOARGS_PREDEF_OLD;
/* g*_predef_std.h has DEF_NOARGS_PREDEF or non-negative args */
/* while g*_predef_old.h has only DEF_NOARGS_PREDEF_OLD args */
while (fgets( lbuf, BUFSIZ, fp) != NULL) {
unget_string( lbuf, "gcc_predefine");
if (skip_ws() == '#'
&& scan_token( skip_ws(), (tp = work_buf, &tp), work_end)
== NAM
&& str_eq( work_buf, "define")) {
defp = do_define( TRUE, nargs); /* Ignore re-definition */
}
skip_nl();
}
}
free( include_dir);
undef_special:
if (look_id( "__OPTIMIZE__")) /* -O option is specified */
undefine( "__NO_INLINE__");
}
static void chk_env( void)
/*
* Check the environment variables to specify output of dependency lines.
*/
{
char * env;
char * cp;
/* Output of dependency lines */
if ((env = getenv( "DEPENDENCIES_OUTPUT")) == NULL) {
if ((env = getenv( "SUNPRO_DEPENDENCIES")) == NULL)
return;
else
mkdep |= MD_SYSHEADER;
}
mkdep |= MD_MKDEP;
if ((cp = strchr( env, ' ')) != NULL) {
*cp++ = EOS;
while (*cp == ' ')
cp++;
}
if (! mkdep_fp) /* Command line option precedes */
mkdep_fp = fopen( env, "a");
if (! mkdep_target)
mkdep_target = cp;
}
#elif COMPILER == MSC
static void init_msc_macro( void)
/*
* Define a few MSC-specific predefined macros.
*/
{
DEFBUF * defp;
int i;
defp = look_id( "_MSC_VER");
i = atoi( defp->repl);
if (i >= 1400) { /* _MSC_VER >= 1400 */
look_and_install( "_MT", DEF_NOARGS_PREDEF, null, "1");
if (cplus_val && ! wchar_t_modified) {
/* -Zc:wchar_t- was not specified */
look_and_install( "_NATIVE_WCHAR_T_DEFINED", DEF_NOARGS_PREDEF
, null, "1");
look_and_install( "_WCHAR_T_DEFINED", DEF_NOARGS_PREDEF, null
, "1");
}
}
}
#endif
static void def_macros( void)
/*
* Define macros specified by -D option.
* This routine should be called before undef_macros().
*/
{
int i;
for (i = 0; i < def_cnt; i++)
def_a_macro( 'D', def_list[ i]);
}
static void undef_macros( void)
/*
* Undefine macros specified by -U option.
* This routine should be called after init_predefine().
*/
{
char * name;
int i;
for (i = 0; i < undef_cnt; i++) {
name = undef_list[ i];
if (look_id( name) != NULL)
undefine( name);
else if (warn_level & 8)
mcpp_fprintf( ERR, "\"%s\" wasn't defined\n", name);
}
}
void put_depend(
const char * filename
)
/*
* Append a header name to the source file dependency line.
*/
{
#define MAX_OUT_LEN 76 /* Maximum length of output line */
#define MKDEP_INITLEN (MKDEP_INIT * 0x100)
#define MKDEP_MAX (MKDEP_INIT * 0x10)
#define MKDEP_MAXLEN (MKDEP_INITLEN * 0x10)
static char * output = NULL; /* File names */
static size_t * pos = NULL; /* Offset to filenames */
static int pos_num; /* Index of pos[] */
static char * out_p; /* Pointer to output[] */
static size_t mkdep_len; /* Size of output[] */
static size_t pos_max; /* Size of pos[] */
static FILE * fp; /* Path to output dependency line */
static size_t llen; /* Length of current physical output line */
size_t * pos_p; /* Index into pos[] */
size_t fnamlen; /* Length of filename */
if (fp == NULL) { /* Main source file. Have to initialize. */
#if MCPP_LIB
if (output != NULL) {
free( output);
free( pos);
}
#endif
output = xmalloc( mkdep_len = MKDEP_INITLEN);
pos = (size_t *) xmalloc( (pos_max = MKDEP_INIT) * sizeof (size_t));
out_p = md_init( filename, output);
fp = mkdep_fp;
llen = strlen( output);
pos_num = 0; /* Initialize for MCPP_LIB build */
} else if (filename == NULL) { /* End of input */
out_p = stpcpy( out_p, "\n\n");
if (mkdep & MD_PHONY) {
/* Output the phony target line for each recorded header files. */
char * cp;
int c;
if (strlen( output) * 2 + (pos_num * 2) >= MKDEP_MAXLEN) {
cerror( "Too long dependency line" /* _E_ */
, NULL, 0L, NULL);
if (fp == fp_out)
mcpp_fputs( output, OUT);
else
fputs( output, fp);
return;
} else if (strlen( output) * 2 + (pos_num * 2) >= mkdep_len) {
/* Enlarge the buffer */
size_t len = out_p - output;
output = xrealloc( output, mkdep_len *= 2);
out_p = output + len;
}
pos_num--;
for (pos_p = &pos[ 0]; pos_p <= &pos[ pos_num]; pos_p++) {
if (pos_p == &pos[ pos_num]) { /* End of output */
for (cp = output + *pos_p; *cp != '\n'; cp++)
;
c = '\n'; /* Append newline */
} else {
cp = output + *(pos_p + 1) - 1;
while( *cp == ' ' || *cp == '\\' || *cp == '\n')
cp--; /* Remove trailing spaces */
c = *(++cp);
}
*cp = EOS;
out_p = stpcpy( out_p, output + *pos_p);
out_p = stpcpy( out_p, ":\n\n");
*cp = c;
}
}
if (fp == fp_out) { /* To the same path with normal preprocessing */
mcpp_fputs( output, OUT);
} else { /* To the file specified by -MF, -MD, -MMD options */
fputs( output, fp);
fclose( fp);
}
fp = NULL; /* Clear for the next call in MCPP_LIB build */
return;
}
fnamlen = strlen( filename);
/* Check the recorded filename */
for (pos_p = pos; pos_p < &pos[ pos_num]; pos_p++) {
if (memcmp( output + *pos_p, filename, fnamlen) == 0)
return; /* Already recorded filename */
}
/* Any new header. Append its name to output. */
if (llen + fnamlen > MAX_OUT_LEN) { /* Line is long */
out_p = stpcpy( out_p, " \\\n "); /* Fold it */
llen = 1;
}
llen += fnamlen + 1;
if (pos_num >= MKDEP_MAX
|| out_p + fnamlen + 1 >= output + MKDEP_MAXLEN)
cfatal( "Too long dependency line: %s", output, 0L, NULL);
/* Need to enlarge the buffer */
if (pos_num >= pos_max) {
pos = (size_t *) xrealloc( (char *) pos
, (pos_max *= 2) * sizeof (size_t *));
}
if (output + mkdep_len <= out_p + fnamlen + 1) {
size_t len = out_p - output;
output = xrealloc( output, mkdep_len *= 2);
out_p = output + len;
}
*out_p++ = ' ';
pos[ pos_num++] = out_p - output; /* Remember the offset */
/* Don't use pointer, since 'output' may be reallocated later. */
out_p = stpcpy( out_p, filename);
}
static char * md_init(
const char * filename, /* The source file name */
char * output /* Output to dependency file */
)
/*
* Initialize output file and target.
*/
{
char prefix[ PATHMAX];
char * cp = NULL;
size_t len;
char * out_p;
const char * target = filename;
const char * cp0;
if (! mkdep_target || ! mkdep_fp) { /* Make target name */
#ifdef PATH_DELIM
if ((cp0 = strrchr( target, PATH_DELIM)) != NULL)
target = cp0 + 1;
#endif
if ((cp0 = strrchr( target, '.')) == NULL)
len = strlen( target);
else
len = (size_t) (cp0 - target);
memcpy( prefix, target, len);
cp = prefix + len;
*cp++ = '.';
}
if (! mkdep_fp) { /* Unless already opened by -MF, -MD, -MMD options */
if (mkdep & MD_FILE) {
strcpy( cp, "d");
mkdep_fp = fopen( prefix, "w");
} else {
mkdep_fp = fp_out; /* Output dependency line to normal output */
no_output++; /* Without normal output */
}
}
if (mkdep_target) { /* -MT or -MQ option is specified */
if (mkdep & MD_QUOTE) { /* 'Quote' $, \t and space */
out_p = md_quote( output);
} else {
out_p = stpcpy( output, mkdep_target);
}
} else {
strcpy( cp, OBJEXT);
out_p = stpcpy( output, prefix);
}
*out_p++ = ':';
*out_p = EOS;
return out_p;
}
static char * md_quote(
char * output
)
/*
* 'Quote' $, tab and space.
* This function was written referring to GCC V.3.2 source.
*/
{
char * p;
char * q;
for (p = mkdep_target; *p; p++, output++) {
switch (*p) {
case ' ':
case '\t':
/* GNU-make treats backslash-space sequence peculiarly */
for (q = p - 1; mkdep_target <= q && *q == '\\'; q--)
*output++ = '\\';
*output++ = '\\';
break;
case '$':
*output++ = '$';
break;
default:
break;
}
*output = *p;
}
*output = EOS;
return output;
}
static const char * toolong_fname =
"Too long header name \"%s%.0ld%s\""; /* _F_ */
static const char * excess_token =
"Excessive token sequence \"%s\""; /* _E_, _W1_ */
int do_include(
int next /* TRUE if the directive is #include_next */
)
/*
* Process the #include line.
* There are three variations:
* #include "file" search somewhere relative to the
* current (or source) directory, if not
* found, treat as #include <file>.
* #include <file> Search in an implementation-dependent
* list of places.
* #include macro-call Expand the macro call, it must be one of
* "file" or <file>, process as such.
* On success : return TRUE;
* On failure of syntax : return FALSE;
* On failure of file opening : return FALSE.
* do_include() always absorbs the line (including the <newline>).
*/
{
const char * const no_name = "No header name"; /* _E_ */
char header[ PATHMAX + 16];
int token_type;
char * fname;
char * filename;
int delim; /* " or <, > */
if ((delim = skip_ws()) == '\n') { /* No argument */
cerror( no_name, NULL, 0L, NULL);
return FALSE;
}
fname = infile->bptr - 1; /* Current token for diagnosis */
if (standard && (char_type[ delim] & LET)) { /* Maybe macro */
int c;
char *hp;
hp = header;
*hp = EOS;
c = delim;
while (get_unexpandable( c, FALSE) != NO_TOKEN) {
/* Expand any macros in the line */
if (header + PATHMAX < hp + (int) (workp - work_buf))
cfatal( toolong_fname, header, 0L, work_buf);
hp = stpcpy( hp, work_buf);
while (char_type[ c = get_ch()] & HSP)
*hp++ = c;
}
*hp = EOS; /* Ensure to terminate */
if (macro_line == MACRO_ERROR) /* Unterminated macro */
return FALSE; /* already diagnosed. */
unget_string( header, NULL); /* To re-read */
delim = skip_ws();
if (delim == '\n') {
cerror( no_name, NULL, 0L, NULL); /* Expanded to */
return FALSE; /* 0 token. */
}
}
token_type = scan_token( delim, (workp = work_buf, &workp)
, work_buf + PATHMAX);
if (token_type == STR) /* String literal form */
goto found_name;
else if (token_type == OPE && openum == OP_LT) /* '<' */
workp = scan_quote( delim, work_buf, work_buf + PATHMAX, TRUE);
/* Re-construct or diagnose */
else /* Any other token in- */
goto not_header; /* cluding <=, <<, <% */
if (workp == NULL) /* Missing closing '>' */
goto syntax_error;
found_name:
*--workp = EOS; /* Remove the closing and */
fname = save_string( &work_buf[ 1]); /* the starting delimiter. */
if (skip_ws() != '\n') {
if (standard) {
cerror( excess_token, infile->bptr-1, 0L, NULL);
skip_nl();
goto error;
} else if (mcpp_mode == OLD_PREP) {
skip_nl();
} else {
if (warn_level & 1)
cwarn( excess_token, infile->bptr-1, 0L, NULL);
skip_nl();
}
}
#if SYS_FAMILY == SYS_WIN
bsl2sl( fname);
#endif
filename = fname;
#if NO_DIR /* Unofficial feature */
if (no_dir) { /* Strip directory components */
char src_dir[ PATHMAX] = { EOS, };
if (has_directory( fname, src_dir))
filename = fname + strlen( src_dir);
delim = '"'; /* Even a system header is handled as a local one */
}
#endif
if (open_include( filename, (delim == '"'), next)) {
/* 'fname' should not be free()ed, it is used as file-> */
/* real_fname and has been registered into fnamelist[] */
return TRUE;
}
cerror( "Can't open include file \"%s\"", filename, 0L, NULL); /* _E_ */
error:
free( fname);
return FALSE;
not_header:
cerror( "Not a header name \"%s\"", fname, 0L, NULL); /* _E_ */
syntax_error:
skip_nl();
return FALSE;
}
static int open_include(
char * filename, /* File name to include */
int searchlocal, /* TRUE if #include "file" */
int next /* TRUE if #include_next */
)
/*
* Open an include file. This routine is only called from do_include() above.
* It searches the list of directories via search_dir() and opens the file
* via open_file(), linking it into the list of active files.
* Returns TRUE if the file was opened, FALSE if it fails.
*/
{
char src_dir[ PATHMAX] = { EOS, }; /* Directory part of includer */
int full_path; /* Filename is full-path-list */
int has_dir = FALSE; /* Includer has directory part */
int has_dir_src = FALSE;
int has_dir_fname = FALSE;
full_path = is_full_path( filename);
if (!full_path && searchlocal && (search_rule & SOURCE)) {
has_dir_src = has_directory( infile->src_dir, src_dir);
has_dir_fname = has_directory( infile->real_fname
, src_dir + strlen( src_dir));
/* Get directory part of the parent file of the file to include.*/
/* Note that infile->dirp of main input file is set to "" and */
/* remains the same even if -include options are processed. */
has_dir = has_dir_src || has_dir_fname
|| (**(infile->dirp) != EOS);
}
if (mcpp_debug & PATH)
mcpp_fprintf( DBG, "filename: %s\n", filename);
#if COMPILER == GNUC
if (! full_path) {
if (i_split /* -I- option is specified */
|| next) /* or #include_next */
goto search_dirs;
}
#endif
if ((searchlocal && ((search_rule & CURRENT) || !has_dir)) || full_path) {
/*
* Look in local directory first.
* Try to open filename relative to the "current directory".
*/
if (open_file( &null, NULL, filename, searchlocal && !full_path
, FALSE, FALSE))
return TRUE;
if (full_path)
return FALSE;
}
if (searchlocal && (search_rule & SOURCE) && has_dir) {
/*
* Look in local directory of source file.
* Try to open filename relative to the "source directory".
*/
if (open_file( infile->dirp, src_dir, filename, TRUE, FALSE, FALSE))
return TRUE;
}
#if COMPILER == MSC
if (searchlocal) {
/* Visual C searches ancestor source's directory, too. */
FILEINFO * file = infile;
while ((file = file->parent) != NULL) {
/* Search each parent includer's directory */
if (open_file( file->dirp, src_dir, filename, TRUE, FALSE, FALSE))
return TRUE;
}
}
#endif
#if COMPILER == GNUC
search_dirs:
if (searchlocal) {
/* Search the directories specified by -iquote option, if any. */
const char ** qdir;
for (qdir = quote_dir; qdir < quote_dir_end; qdir++) {
if (open_file( qdir, NULL, filename, FALSE, FALSE, FALSE))
return TRUE;
}
}
#endif
/* Search the include directories */
if (search_dir( filename, searchlocal, next))
return TRUE;
return FALSE;
}
static int has_directory(
const char * source, /* Filename to examine */
char * directory /* Put directory stuff here */
)
/*
* If a directory is found in the 'source' filename string (i.e. "includer"),
* the directory part of the string is copied to 'directory' and
* has_directory() returns TRUE.
* Else, nothing is copied and it returns FALSE.
*/
{
const char * sp;
size_t len;
if (! source)
return FALSE;
if ((sp = strrchr( source, PATH_DELIM)) == NULL) {
return FALSE;
} else {
len = (size_t)(sp - source) + 1; /* With path-delimiter */
memcpy( directory, source, len);
directory[ len] = EOS;
return TRUE;
}
}
static int is_full_path(
const char * path
)
/*
* Check whether the path is a full (absolute) path list or not.
*/
{
if (! path)
return FALSE;
#if SYS_FAMILY == SYS_UNIX
if (path[0] == PATH_DELIM)
#elif SYS_FAMILY == SYS_WIN
if ((path[1] == ':' && path[2] == PATH_DELIM) /* "C:/path" */
|| path[0] == PATH_DELIM) /* Root dir of current drive */
#elif 1
/* For other systems you should write code here. */
if (path[0] == PATH_DELIM)
#endif
return TRUE;
else
return FALSE;
}
static int search_dir(
char * filename, /* File name to include */
int searchlocal, /* #include "header.h" */
int next /* TRUE if #include_next */
)
/*
* Look in any directories specified by -I command line arguments,
* specified by environment variable, then in the builtin search list.
*/
{
const char ** incptr; /* -> inlcude directory */
incptr = incdir;
#if COMPILER == GNUC
if (next && **inc_dirp != EOS)
incptr = inc_dirp + 1;
/* In case of include_next search after the includer's directory */
#endif
for ( ; incptr < incend; incptr++) {
if (strlen( *incptr) + strlen( filename) >= PATHMAX)
cfatal( toolong_fname, *incptr, 0L, filename); /* _F_ */
#if SYSTEM == SYS_MAC
if (incptr == to_search_framework && ! searchlocal) {
/* Now search the framework dirs */
if (search_framework( filename)) { /* Found */
if (in_import) /* "#import"ed file is once only */
do_once( infile->full_fname);
return TRUE;
}
/* Else continue to search incptr */
}
#endif
if (open_file( incptr, NULL, filename, FALSE, FALSE, FALSE))
/* Now infile has been renewed */
return TRUE;
}
return FALSE;
}
static int open_file(
const char ** dirp, /* Pointer to include directory */
const char * src_dir, /* Source directory of includer */
const char * filename, /* Filename (possibly has directory) */
int local, /* #include "file" */
int include_opt, /* Specified by -include option */
int sys_frame /* System framework header (for SYS_MAC)*/
)
/*
* Open a file, add it to the linked list of open files, close the includer
* if nessesary and truncate the includer's buffer.
* This is called from open_include() and at_start().
*/
{
char dir_fname[ PATHMAX] = { EOS, };
#if HOST_COMPILER == BORLANDC
/* Borland's fopen() does not set errno. */
static int max_open = FOPEN_MAX - 5;
#else
static int max_open;
#endif
int len;
FILEINFO * file = infile;
FILE * fp;
char * fullname;
const char * fname;
errno = 0; /* Clear errno possibly set by path searching */
#if SYSTEM == SYS_MAC && COMPILER == GNUC
if (strlen( *dirp) > 5
&& str_case_eq( *dirp + strlen( *dirp) - 5, ".hmap")) {
/* Search header map file for a header */
if (! search_header_map( *dirp, filename, dir_fname))
return NULL;
fname = dir_fname; /* Found a path-list */
dirp = &null;
goto search;
} else
#endif
{
if (mcpp_debug & PATH)
mcpp_fprintf( DBG, "Searching %s%s%s\n", *dirp
, src_dir ? src_dir : null, filename);
}
/* src_dir is usually NULL. This is specified to */
/* search the source directory of the includer. */
if (src_dir && *src_dir != EOS) {
strcpy( dir_fname, src_dir);
strcat( dir_fname, filename);
fname = dir_fname;
} else {
fname = filename;
}
search:
fullname = norm_path( *dirp, fname, TRUE, FALSE);
/* Convert to absolute path */
if (! fullname) /* Non-existent or directory */
return FALSE;
if (standard && included( fullname)) /* Once included */
goto true;
if ((max_open != 0 && max_open <= include_nest)
/* Exceed the known limit of open files */
|| ((fp = fopen( fullname, "r")) == NULL && errno == EMFILE)) {
/* Reached the limit for the first time */
if (mcpp_debug & PATH) {
#if HOST_COMPILER == BORLANDC
if (include_nest == FOPEN_MAX - 5)
#else
if (max_open == 0)
#endif
mcpp_fprintf( DBG,
"#include nest reached at the maximum of system: %d, returned errno: %d\n"
, include_nest, errno);
}
/*
* Table of open files is full.
* Remember the file position and close the includer.
* The state will be restored by get_line() on end of the included.
*/
file->pos = ftell( file->fp);
fclose( file->fp);
/* In case of failure, re-open the includer */
if ((fp = fopen( fullname, "r")) == NULL) {
file->fp = fopen( cur_fullname, "r");
fseek( file->fp, file->pos, SEEK_SET);
goto false;
}
if (max_open == 0) /* Remember the limit of the system */
max_open = include_nest;
} else if (fp == NULL) /* No read permission */
goto false;
/* Truncate buffer of the includer to save memory */
len = (int) (file->bptr - file->buffer);
if (len) {
file->buffer = xrealloc( file->buffer, len + 1);
file->bptr = file->buffer + len;
}
if (! include_opt)
sharp( NULL, 0); /* Print includer's line num and fname */
add_file( fp, src_dir, filename, fullname, include_opt);
/* Add file-info to the linked list. 'infile' has been just renewed */
/*
* Remember the directory for #include_next.
* Note: inc_dirp is restored to the parent includer's directory
* by get_ch() when the current includer is finished.
*/
infile->dirp = inc_dirp = dirp;
#if 0 /* This part is only for debugging */
chk_dirp( dirp);
#endif
#if COMPILER == GNUC
if ((**dirp != EOS && sys_dirp <= dirp && dirp <= incend)
#if SYSTEM == SYS_MAC
|| sys_frame
#endif
)
infile->sys_header = TRUE; /* Found in a system header dir */
else
infile->sys_header = FALSE;
#endif
cur_fullname = fullname;
if (option_flags.z) {
no_output++; /* Don't output the included file */
if (include_nest == 2)
mcpp_fprintf( OUT, "#include \"%s\"\n", fullname);
/* Output #include line instead, if it is in main source file */
} else if (! include_opt) { /* Do not sharp() on -include */
src_line = 1; /* Working on line 1 now */
sharp( NULL, 1); /* Print out the included file name */
}
src_line = 0; /* To read the first line */
if (mkdep && ((mkdep & MD_SYSHEADER) || ! infile->sys_header))
put_depend( fullname); /* Output dependency line */
true:
return TRUE;
false:
free( fullname);
return FALSE;
}
void add_file(
FILE * fp, /* Open file pointer */
const char * src_dir, /* Directory of source */
const char * filename, /* Name of the file */
const char * fullname, /* Full path list */
int include_opt /* File specified by -include option */
)
/*
* Initialize tables for this open file. This is called from open_file()
* (for #include files), and from the entry to MCPP to open the main input
* file. It calls a common routine get_file() to build the FILEINFO
* structure which is used to read characters.
*/
{
FILEINFO * file;
const char * too_many_include_nest =
"More than %.0s%ld nesting of #include"; /* _F_ _W4_ */
//
// When encoding is UTF-8, skip BOM if present.
//
if(mbchar == UTF8 && fp != NULL && ftell(fp) == 0)
{
const unsigned char UTF8_BOM[3] = {0xEF, 0xBB, 0xBF};
unsigned char FILE_HEAD[3] = {0, 0, 0};
int i;
for(i = 0; i < 3; ++i)
{
FILE_HEAD[i] = getc(fp);
if(FILE_HEAD[i] != UTF8_BOM[i])
{
if(FILE_HEAD[i] == (unsigned char)EOF)
{
i--;
}
for(; i >= 0; --i)
{
ungetc(FILE_HEAD[i], fp);
}
break;
}
}
}
filename = set_fname( filename); /* Search or append to fnamelist[] */
fullname = set_fname( fullname); /* Search or append to fnamelist[] */
file = get_file( filename, src_dir, fullname, (size_t) NBUFF, include_opt);
/* file == infile */
file->fp = fp; /* Better remember FILE * */
cur_fname = filename;
if (include_nest >= INCLUDE_NEST) /* Probably recursive #include */
cfatal( too_many_include_nest, NULL, (long) INCLUDE_NEST, NULL);
if (standard && (warn_level & 4)
&& include_nest == std_limits.inc_nest + 1)
cwarn( too_many_include_nest, NULL, (long) std_limits.inc_nest, NULL);
include_nest++;
}
static const char * set_fname(
const char * filename
)
/*
* Register the source filename to fnamelist[].
* Search fnamelist[] for filename or append filename to fnamelist[].
* Returns the pointer.
* file->real_fname and file->full_fname points into fnamelist[].
*/
{
INC_LIST * fnamep;
size_t fnamelen;
if (fnamelist == NULL) { /* Should be initialized */
max_fnamelist = INIT_NUM_FNAMELIST;
fnamelist = (INC_LIST *) xmalloc( sizeof (INC_LIST) * max_fnamelist);
fname_end = &fnamelist[ 0];
} else if (fname_end - fnamelist >= max_fnamelist) {
/* Buffer full: double the elements */
fnamelist = (INC_LIST *) xrealloc( (void *) fnamelist
, sizeof (INC_LIST) * max_fnamelist * 2);
fname_end = &fnamelist[ max_fnamelist];
max_fnamelist *= 2;
}
/* Register the filename in fnamelist[] */
fnamelen = strlen( filename);
for (fnamep = fnamelist; fnamep < fname_end; fnamep++) {
if (fnamep->len == fnamelen && str_case_eq( fnamep->name, filename))
return filename; /* Already registered */
}
fname_end->name = xmalloc( fnamelen + 1);
filename = strcpy( fname_end->name, filename);
/* Global pointer for get_file() */
fname_end->len = fnamelen;
fname_end++;
return filename;
}
#if SYSTEM == SYS_MAC
#if COMPILER == GNUC
/* Routines to search "header map" file of Xcode / Apple-GCC. */
/* search_header_map() and hmap_hash() were written referring to */
/* c-incpath.c of Apple-GCC-4.0.1. */
static char * search_header_map(
const char * hmap_file, /* Header map file */
const char * filename, /* Filename to search */
char * pathlist /* Buffer for a found pathlist */
)
/*
* Search a table in "header map" file for a header.
*/
{
struct stat stat_buf;
FILE * fp;
size_t fsize;
const char * contents;
struct hmap_header_map * hmap;
struct hmap_bucket * buckets;
const char * strings;
uint32 mask;
uint32 key_offs;
uint32 i;
stat( hmap_file, &stat_buf); /* Get size of the file */
fsize = stat_buf.st_size;
contents = xmalloc( fsize + 1);
fp = fopen( hmap_file, "r");
fread( contents, fsize, 1, fp); /* Read whole of the file at once */
hmap = (struct hmap_header_map *) contents;
strings = ((const char *) hmap) + hmap->strings_offset;
buckets = hmap->buckets;
mask = hmap->capacity - 1;
i = hmap_hash( filename) & mask;
while ((key_offs = buckets[ i].key) != 0) {
if (str_case_eq( filename, strings + key_offs)) {
/* The names match. Make path-list. */
char * cp = stpcpy( pathlist, strings + buckets[ i].value.prefix);
strcpy( cp, strings + buckets[ i].value.suffix);
break;
}
i = ++i & mask;
}
free( contents);
return key_offs ? pathlist : NULL;
}
static unsigned hmap_hash(
const char * fname /* header name */
)
/*
* Get hash value for the fname.
*/
{
const char * sp;
unsigned hash_code = 0;
for (sp = fname; *sp; sp++)
hash_code += tolower( *sp & 0xFF) * 13;
return hash_code;
}
#endif /* COMPILER == GNUC */
static void init_framework( void)
/*
* Initialize framework[].
*/
{
char * framework_dir;
/* Some frameworks may have been already specified by -F option. */
sys_framework = num_framework; /* These are system frameworks */
#ifdef FRAMEWORK1
framework_dir = norm_dir( FRAMEWORK1, TRUE);
if (framework_dir)
framework[ num_framework++] = framework_dir;
#endif
#ifdef FRAMEWORK2
framework_dir = norm_dir( FRAMEWORK2, TRUE);
if (framework_dir)
framework[ num_framework++] = framework_dir;
#endif
#ifdef FRAMEWORK3
framework_dir = norm_dir( FRAMEWORK3, TRUE);
if (framework_dir)
framework[ num_framework++] = framework_dir;
#endif
if (num_framework >= MAX_FRAMEWORK) {
mcpp_fputs( "Too many Framework directories.", ERR);
longjmp( error_exit, -1);
}
}
static const char * dot_frame = ".framework";
static int search_framework(
char * filename
)
/*
* Search "Framework" directories.
* 'frame/header.h' is converted to
* '/System/Library/Frameworks/frame.framework/Headers/header.h',
* '/System/Library/Frameworks/frame.framework/PrivateHeaders/header.h',
* and so on.
*/
{
char fullname[ PATHMAX + 1];
FILEINFO * file;
char * frame, * fname, * cp1, * cp2;
int sys_frame = FALSE;
int i;
cp1 = cp2 = strchr( filename, PATH_DELIM);
/*
* 'filename' should be <frame/header> format or sometimes
* <frame/dir/header>.
* e.g.: <Foundation/Foundation.h>, <CarbonCore/OSUtils.h>
* or <IOKit/pwr_mgt/IOPMLib.h>.
*/
if (! cp1)
return FALSE;
*cp1 = EOS;
frame = filename;
fname = cp1 + 1;
/* Search framework[] directories */
for (i = 0; i < num_framework; i++) {
cp1 = stpcpy( fullname, framework[ i]);
/* 'fullname' e.g.: /System/Library/Frameworks/ */
if (search_subdir( fullname, cp1, frame, fname, sys_framework <= i))
return TRUE;
}
/*
* Search subframework dirs searching its possible parent framework
* starting from current file's directory to its ancestors.
* Header file in subframework directories should be included only
* by its parent or sibling framework headers.
*/
for (i = sys_framework; i < num_framework; i++) {
size_t frame_len, fname_len;
frame_len = strlen( framework[ i]);
fname_len = strlen( infile->real_fname);
if (fname_len <= frame_len)
continue;
if (memcmp( framework[ i], infile->real_fname, frame_len) == 0) {
sys_frame = TRUE;
break;
}
}
for (file = infile; file; file = file->parent) {
const char * dot;
size_t len;
if (! file->fp)
continue;
dot = strstr( file->real_fname, dot_frame);
if (! dot)
continue;
len = dot - file->real_fname + strlen( dot_frame) + 1;
memcpy( fullname, file->real_fname, len);
cp1 = fullname + len;
cp1 = stpcpy( cp1, "Frameworks/");
/* 'fullname' e.g.: */
/* /System/Library/Frameworks/Foundation.framework/Frameworks/ */
if (search_subdir( fullname, cp1, frame, fname, sys_frame))
return TRUE;
}
*cp2 = PATH_DELIM; /* Restore original include file format */
return FALSE;
}
static int search_subdir(
char * fullname, /* Buffer for path-list to open */
char * cp, /* Latter half of 'fullname' */
char * frame, /* 'frame' of <frame/header> */
char * fname, /* 'header' of <frame/header> */
/* or sometimes 'dir/header' of <frame/dir/header> */
int sys_frame /* System framework header ? */
)
/*
* Make path-list and try to open.
*/
{
static const char * subdir[] = { "Headers", "PrivateHeaders", NULL};
int j, n;
cp += sprintf( cp, "%s%s%c", frame, dot_frame, PATH_DELIM);
for (j = 0; subdir[ j] != NULL; j++) {
n = sprintf( cp, "%s%c%s", subdir[ j], PATH_DELIM, fname);
/*
* 'fullname' is for example:
* /System/Library/Frameworks/Foundation.framework/Headers/
* Foundation.h,
* /System/Library/Frameworks/Foundation.framework/Frameworks/
* CarbonCore.framework/Headers/OSUtils.h,
* or /System/Library/Frameworks/IOKit.framework/Headers/
* pwr_mgt/IOPMLib.h.
* Pass this as one filename argument to open_file() rather than
* deviding to directory part and file part. The first argument to
* open_file() which is a pointer to the directory part is remembered
* by FILEINFO struct. But, 'fullname' is over-written each time,
* and the former path-list is lost soon. Therefore, it cannot be
* passed as the first argument. In addition, though the first
* argument to open_file() is needed for #include_next, this directive
* has no meaning in framework.
*/
if ((cp - fullname) + n > PATHMAX)
cfatal( "Too long framework path", NULL, 0L, NULL); /* _F_ */
if (open_file( &null, NULL, fullname, FALSE, FALSE, sys_frame))
return TRUE;
}
return FALSE;
}
#endif /* SYSTEM == SYS_MAC */
#if 0 /* This part is only for debugging */
static int chk_dirp(
const char ** dirp
)
/*
* Check the validity of include directory specified for open_file().
* Called only from open_file().
*/
{
const char ** ip;
if (dirp == &null)
return TRUE;
for (ip = incdir; ip < incend; ip++)
if (dirp == ip)
break;
if (ip == incend) {
#if COMPILER == MSC
FILEINFO * pfile = infile->parent;
if (pfile) {
while ((pfile = pfile->parent) != NULL) {
/* Search each parent includer's directory */
if (dirp == pfile->dirp)
break;
}
}
if (! pfile)
#endif
#if COMPILER == GNUC
const char ** qdir;
for (qdir = quote_dir; qdir < quote_dir_end; qdir++) {
if (dirp == qdir)
break;
}
if (qdir == quote_dir_end)
#endif
{
cfatal( "Bug: *dirp:%s is invalid", *dirp, 0L, NULL);
return FALSE;
}
}
return TRUE;
}
#endif
FILEINFO* sh_file;
int sh_line;
void sharp(
FILEINFO * sharp_file,
int flag /* Flag to append to the line for GCC */
)
/*
* Output a line number line.
* 'file' is 'sharp_file' if specified,
* else (i.e. 'sharp_file' is NULL) 'infile'.
*/
{
FILEINFO * file;
int line;
file = sharp_file ? sharp_file : infile;
if (! file)
return;
while (! file->fp)
file = file->parent;
line = sharp_file ? sharp_file->line : src_line;
if (no_output || option_flags.p || file == NULL
|| (file == sh_file && line == sh_line))
goto sharp_exit;
sh_file = file;
sh_line = line;
if (keep_comments)
mcpp_fputc( '\n', OUT); /* Ensure to be on line top */
if (std_line_prefix)
mcpp_fprintf( OUT, "#line %ld", line);
else
mcpp_fprintf( OUT, "%s%ld", LINE_PREFIX, line);
cur_file( file, sharp_file, flag);
mcpp_fputc( '\n', OUT);
sharp_exit:
wrong_line = FALSE;
}
static void cur_file(
FILEINFO * file, /* infile or sharp_file */
FILEINFO * sharp_file, /* The 'file' or NULL */
int flag /* Flag to append for GCC */
)
/*
* Output current source file name and line number.
* Called only from sharp() above.
*/
{
const char * name;
if (mcpp_debug & MACRO_CALL) { /* In macro notification mode */
if (sharp_file) /* Main input file */
name = file->filename;
else /* Output full-path-list, normalized */
name = cur_fullname;
} else { /* Usually, the path not "normalized" */
if (sharp_file) { /* Main input file */
name = file->filename;
} else if (str_eq( file->filename, file->real_fname)) {
sprintf( work_buf, "%s%s", *(file->dirp), cur_fname);
name = work_buf;
} else { /* Changed by '#line fname' directive */
name = file->filename;
}
}
if (sharp_filename == NULL || ! str_eq( name, sharp_filename)) {
if (sharp_filename != NULL)
free( sharp_filename);
sharp_filename = save_string( name);
}
mcpp_fprintf( OUT, " \"%s\"", name);
#if COMPILER == GNUC
if (! std_line_prefix) {
if (flag) {
mcpp_fputc( ' ', OUT);
mcpp_fputc( '0' + flag, OUT);
}
if (file->sys_header)
mcpp_fputs( " 3", OUT);
}
#endif
}
#if SYS_FAMILY == SYS_WIN
static char * bsl2sl(
char * filename
)
/*
* Convert '\\' in the path-list to '/'.
*/
{
static int diagnosed = FALSE;
char * cp;
cp = filename;
while (*cp) {
if (bsl_in_mbchar) {
int c;
c = *cp & UCHARMAX;
if (char_type[ c] & mbchk) { /* First byte of MBCHAR */
char tmp[ PATHMAX];
char * tp = tmp;
*tp++ = *cp++;
mb_read( c, &cp, &tp);
/* Read over the multi-byte characters */
continue;
}
}
if (*cp == '\\') {
*cp++ = PATH_DELIM;
if (!diagnosed && (warn_level & 2) && (warn_level != -1)) {
/* Backslash in source program */
cwarn( "Converted \\ to %s", "/", 0L, NULL); /* _W2_ */
diagnosed = TRUE; /* Diagnose only once */
}
} else {
cp++;
}
}
return filename;
}
#endif /* SYS_FAMILY == SYS_WIN */
static const char * const unknown_arg =
"Unknown argument \"%s\""; /*_W1_*/
static const char * const not_ident =
"Not an identifier \"%s\""; /*_W1_*/
static int is_junk( void)
/*
* Check the trailing junk in a directive line.
* This routine is never called in OLD_PREP mode.
*/
{
int c;
c = skip_ws();
unget_ch();
if (c != '\n') { /* Trailing junk */
if (warn_level & 1)
cwarn( unknown_arg, infile->bptr, 0L, NULL);
return TRUE;
} else {
return FALSE;
}
}
#define PUSH 1
#define POP -1
#define __SETLOCALE 1 /* #pragma __setlocale( "encoding") */
#define SETLOCALE 2 /* #pragma setlocale( "encoding") */
void do_pragma( void)
/*
* Process the #pragma lines.
* 1. Process the sub-directive for MCPP.
* 2. Pass the line to the compiler-proper.
* #pragma MCPP put_defines, #pragma MCPP preprocess,
* #pragma MCPP preprocessed and #pragma once are, however, not put
* out so as not to duplicate output when re-preprocessed.
* When EXPAND_PRAGMA == TRUE and (__STDC_VERSION__ >= 199901L or
* __cplusplus >= 199901L), the line is subject to macro expansion unless
* the next to 'pragma' token is one of 'STDC', 'GCC' or 'MCPP'.
*/
{
int c;
int warn = FALSE; /* Necessity of warning */
int token_type;
char * bp; /* Pointer to argument */
char * tp;
FILEINFO * file;
wrong_line = TRUE; /* In case of error */
c = skip_ws();
bp = infile->bptr - 1; /* Remember token to pass to compiler */
if (c == '\n') {
if (warn_level & 1)
cwarn( "No sub-directive", NULL, 0L, NULL); /* _W1_ */
unget_ch();
return;
}
token_type = scan_token( c, (tp = work_buf, &tp), work_end);
#if EXPAND_PRAGMA
#if COMPILER == MSC
if (token_type == NAM
&& !str_eq( identifier, "STDC") && !str_eq( identifier, "MCPP")) {
#else
if (stdc3 && token_type == NAM
&& !str_eq( identifier, "STDC") && !str_eq( identifier, "MCPP")) {
#endif
DEFBUF * defp;
char * mp;
char * mp_end;
LINE_COL line_col = { 0L, 0};
bp = mp = xmalloc( (size_t)(NMACWORK + IDMAX));
/* Buffer for macro expansion */
mp_end = mp + NMACWORK;
tp = stpcpy( mp, identifier);
do { /* Expand all the macros in the line */
int has_pragma;
if (token_type == NAM && (defp = is_macro( &tp)) != NULL) {
tp = expand_macro( defp, bp, mp_end, line_col, & has_pragma);
if (has_pragma)
cerror( "_Pragma operator found in #pragma line" /* _E_ */
, NULL, 0L, NULL);
if (! stdc3 && (warn_level & 2))
cwarn(
"\"%s\" is macro expanded in other than C99 mode" /* _W2_ */
, identifier, 0L, NULL);
}
token_type = scan_token( c = get_ch(), (bp = tp, &tp), mp_end);
} while (c != '\n');
unget_string( mp, NULL); /* To re-read */
free( mp);
c = skip_ws();
bp = infile->bptr - 1;
token_type = scan_token( c, (tp = work_buf, &tp), work_end);
}
#endif
if (token_type != NAM) {
if (warn_level & 1)
cwarn( not_ident, work_buf, 0L, NULL);
goto skip_nl;
} else if (str_eq( identifier, "once")) { /* #pragma once */
if (! is_junk()) {
file = infile;
while (file->fp == NULL)
file = file->parent;
do_once( file->full_fname);
goto skip_nl;
}
} else if (str_eq( identifier, "MCPP")) {
if (scan_token( skip_ws(), (tp = work_buf, &tp), work_end) != NAM) {
if (warn_level & 1)
cwarn( not_ident, work_buf, 0L, NULL);
}
if (str_eq( identifier, "put_defines")) {
if (! is_junk())
dump_def( TRUE, FALSE); /* #pragma MCPP put_defines */
} else if (str_eq( identifier, "preprocess")) {
if (! is_junk()) /* #pragma MCPP preprocess */
mcpp_fputs( "#pragma MCPP preprocessed\n", OUT);
/* Just putout the directive */
} else if (str_eq( identifier, "preprocessed")) {
if (! is_junk()) { /* #pragma MCPP preprocessed*/
skip_nl();
do_preprocessed();
return;
}
} else if (str_eq( identifier, "warning")) {
/* #pragma MCPP warning */
cwarn( infile->buffer, NULL, 0L, NULL);
} else if (str_eq( identifier, "push_macro")) {
push_or_pop( PUSH); /* #pragma MCPP push_macro */
} else if (str_eq( identifier, "pop_macro")) {
push_or_pop( POP); /* #pragma MCPP pop_macro */
} else if (str_eq( identifier, "debug")) {
do_debug( TRUE); /* #pragma MCPP debug */
} else if (str_eq( identifier, "end_debug")) {
do_debug( FALSE); /* #pragma MCPP end_debug */
} else {
warn = TRUE;
}
if (warn && (warn_level & 1))
cwarn( unknown_arg, identifier, 0L, NULL);
goto skip_nl; /* Do not putout the line */
#if COMPILER == GNUC
/* The #pragma lines for GCC is skipped not to confuse cc1. */
} else if (str_eq( identifier, "GCC")) { /* #pragma GCC * */
if (scan_token( skip_ws(), (tp = work_buf, &tp), work_end) == NAM) {
if (str_eq( identifier, "poison")
|| str_eq( identifier, "dependency")) {
if (warn_level & 2)
cwarn( "Skipped the #pragma line" /*_W2_ */
, NULL, 0L, NULL);
goto skip_nl;
} else if (str_eq( identifier, "system_header")) {
infile->sys_header = TRUE; /* Mark as a system header */
goto skip_nl;
}
}
#endif
#if COMPILER == MSC
} else if (str_eq( identifier, "setlocale")) {
if (skip_ws() == '('
&& scan_token( skip_ws(), (tp = work_buf, &tp), work_end)
== STR
&& skip_ws() == ')') {
if (! is_junk()) {
work_buf[ 0] = *(tp - 1) = '\0';
set_encoding( work_buf + 1, NULL, SETLOCALE);
work_buf[ 0] = *(tp - 1) = '"';
} /* else warned by is_junk() */
} else {
warn = TRUE;
}
#else /* COMPILER != MSC */
} else if (str_eq( identifier, "__setlocale")) {
if (skip_ws() == '('
&& scan_token( skip_ws(), (tp = work_buf, &tp), work_end)
== STR
&& skip_ws() == ')') {
if (! is_junk()) { /* #pragma __setlocale */
work_buf[ 0] = *(tp - 1) = '\0';
set_encoding( work_buf + 1, NULL, __SETLOCALE);
work_buf[ 0] = *(tp - 1) = '"';
} /* else warned by is_junk() */
} else {
warn = TRUE;
}
#endif
#if COMPILER == MSC
} else if (str_eq( identifier, "push_macro")) {
push_or_pop( PUSH);
goto skip_nl;
} else if (str_eq( identifier, "pop_macro")) {
push_or_pop( POP);
goto skip_nl;
#endif
#if COMPILER == LCC
} else if (str_eq( identifier, "optimize")
&& (skip_ws() == '(')
&& (char_type[ (c = skip_ws()) & UCHARMAX] == DIG)
&& (skip_ws() == ')')) {
char tmp[ 2];
tmp[ 0] = c;
tmp[ 1] = EOS;
look_and_install( optim_name, DEF_NOARGS_PREDEF, null, tmp);
#endif
#if COMPILER == COMPILER_UNKNOWN
/*
* Write here any compiler-specific #pragma sub-directive which should
* be processed by preprocessor.
*/
#endif
}
if (warn) {
if (warn_level & 1)
cwarn( unknown_arg, identifier, 0L, NULL);
goto skip_nl; /* Do not putout the line */
}
sharp( NULL, 0); /* Synchronize line number before output */
if (! no_output) {
mcpp_fputs( "#pragma ", OUT);
mcpp_fputs( bp, OUT); /* Line is put out */
}
skip_nl: /* Don't use skip_nl() which skips to the newline in source file */
while (get_ch() != '\n')
;
}
static void do_once(
const char * fullname /* Full-path-list of the header */
)
/*
* Process #pragma once so as not to re-include the file later.
* This directive has been imported from GCC V.1.* / cpp as an extension.
*/
{
if (once_list == NULL) { /* Should initialize */
max_once = INIT_NUM_ONCE;
once_list = (INC_LIST *) xmalloc( sizeof (INC_LIST) * max_once);
once_end = &once_list[ 0];
} else if (once_end - once_list >= max_once) {
/* Double the elements */
once_list = (INC_LIST *) xrealloc( (void *) once_list
, sizeof (INC_LIST) * max_once * 2);
once_end = &once_list[ max_once];
max_once *= 2;
}
once_end->name = fullname;
once_end->len = strlen( fullname);
once_end++;
}
static int included(
const char * fullname
)
/*
* Has the file been once included ?
* This routine is only called from open_file().
*/
{
INC_LIST * inc;
size_t fnamelen;
if (once_list == NULL) /* No once file registered */
return FALSE;
fnamelen = strlen( fullname);
for (inc = once_list; inc < once_end; inc++) {
if (inc->len == fnamelen && str_case_eq( inc->name, fullname)) {
/* Already included */
if (mcpp_debug & PATH)
mcpp_fprintf( DBG, "Once included \"%s\"\n", fullname);
return TRUE;
}
}
return FALSE; /* Not yet included */
}
static void push_or_pop(
int direction
)
/* Process #pragma MCPP push_macro( "MACRO"),
* #pragma MCPP pop_macro( "MACRO") for other compilers than Visual C,
* and #pragma push_macro( "MACRO"), #pragma pop_macro( "MACRO") for Visual C.
* Note:1. "push" count is set in defp->push.
* 2. pushed definitions are inserted immediatly after the current
* definition of the same name.
* 3. the definitions of a same name macro can be pushed multiple times.
*/
{
char * tp;
DEFBUF ** prevp;
DEFBUF * defp;
DEFBUF * dp;
int cmp;
size_t s_name, s_def;
if (skip_ws() == '('
&& scan_token( skip_ws(), (tp = work_buf, &tp), work_end) == STR
&& skip_ws() == ')') { /* Correct syntax */
if (is_junk())
return;
s_name = strlen( work_buf) - 2;
*(work_buf + s_name + 1) = '\0';
memcpy( identifier, work_buf + 1, s_name + 1);
/* Remove enclosing '"' */
prevp = look_prev( identifier, &cmp);
if (cmp == 0) { /* Current definition or pushed definition exists */
defp = *prevp;
if (direction == PUSH) {/* #pragma push_macro( "MACRO") */
if (defp->push) { /* No current definition*/
if (warn_level & 1)
cwarn( "\"%s\" is already pushed" /* _W1_ */
, identifier, 0L, NULL);
return;
}
/* Else the current definition exists. Push it */
s_def = sizeof (DEFBUF) + 3 + s_name
+ strlen( defp->repl) + strlen( defp->fname);
if (mcpp_mode == STD)
s_def += strlen( defp->parmnames);
dp = (DEFBUF *) xmalloc( s_def);
memcpy( dp, defp, s_def); /* Copy the definition */
dp->link = *prevp; /* Insert to linked-list*/
*prevp = dp; /* the pushed def */
prevp = &dp->link; /* Next link to search */
} else { /* #pragma pop_macro( "MACRO") */
if (defp->push == 0) { /* Current definition */
if (defp->link == NULL
|| ! str_eq( identifier, defp->link->name)) {
if (warn_level & 1)
cwarn( "\"%s\" has not been pushed" /* _W1_ */
, identifier, 0L, NULL);
return;
} else {
*prevp = defp->link;
/* Link the previous and the next */
free( defp);
/* Delete the definition to enable popped def */
}
} /* Else no current definition exists */
}
while ((defp = *prevp) != NULL) {
/* Increment or decrement "push" count of all pushed defs */
if ((cmp = memcmp( defp->name, identifier, s_name)) > 0)
break;
defp->push += direction; /* Increment or decrement */
prevp = &defp->link;
}
} else { /* No current definition nor pushed definition */
if (warn_level & 1)
cwarn( "\"%s\" has not been defined" /* _W1_ */
, identifier, 0L, NULL);
}
} else { /* Wrong syntax */
if (warn_level & 1)
cwarn( "Bad %s syntax", direction == PUSH /* _W1_ */
? "push_macro" : "pop_macro", 0L, NULL);
}
}
static void do_asm(
int asm_start /* #asm ? */
)
/*
* #asm, #endasm
* Originally written for OS-9/09 Microware C.
*/
{
if (! compiling)
return;
if (asm_start == (in_asm != 0L)) {
if (in_asm)
cerror( "In #asm block started at line %.0s%ld" /* _E_ */
, NULL, in_asm, NULL);
else
cerror( "Without #asm", NULL, 0L, NULL); /* _E_ */
skip_nl();
unget_ch();
return;
}
in_asm = asm_start ? src_line : 0L;
}
void do_old( void)
/*
* Process the out-of-standard directives.
* GCC permits #include_next and #warning even in STANDARD mode.
*/
{
static const char * const unknown
= "Unknown #directive \"%s\"%.0ld%s"; /* _E_ _W8_ */
static const char * const ext
= "%s is not allowed by Standard%.0ld%s"; /* _W2_ _W8_*/
#if COMPILER == GNUC
if (str_eq( identifier, "include_next")) {
if ((compiling && (warn_level & 2))
|| (! compiling && (warn_level & 8)))
cwarn( ext, "#include_next", 0L
, compiling ? NULL : " (in skipped block)");
if (! compiling)
return;
in_include = TRUE;
do_include( TRUE);
in_include = FALSE;
return;
} else if (str_eq( identifier, "warning")) {
if ((compiling && (warn_level & 2))
|| (! compiling && (warn_level & 8)))
cwarn( ext, "#warning", 0L
, compiling ? NULL : " (in skipped block)");
if (! compiling)
return;
cwarn( infile->buffer, NULL, 0L, NULL);
/* Always output the warning */
skip_nl();
unget_ch();
return;
} else if (str_eq( identifier, "ident") || str_eq( identifier, "sccs")) {
if ((compiling && (warn_level & 1))
|| (! compiling && (warn_level & 8))) {
if (str_eq( identifier, "ident"))
cwarn(
compiling ? "Ignored #ident" : "#ident (in skipped block)" /* _W1_ _W8_*/
, NULL, 0L, NULL);
else
cwarn(
compiling ? "Ignored #sccs" : "#sccs (in skipped block)" /* _W1_ _W8_*/
, NULL, 0L, NULL);
}
if (! compiling)
return;
skip_nl();
unget_ch();
return;
}
#endif /* COMPILER == GNUC */
#if COMPILER == MSC
if (str_eq( identifier, "using") || str_eq( identifier, "import")) {
/* #using or #import */
if (! compiling)
return;
mcpp_fputs( infile->buffer, OUT); /* Putout the line as is*/
skip_nl();
unget_ch();
return;
}
#endif
#if SYSTEM == SYS_MAC
if (str_eq( identifier, "import")) {
if ((compiling && (warn_level & 2))
|| (! compiling && (warn_level & 8)))
cwarn( ext, "#import", 0L
, compiling ? NULL : " (in skipped block)");
if (! compiling)
return;
in_import = in_include = TRUE;
do_include( FALSE);
in_import = in_include = FALSE;
return;
}
#endif
if (! standard && do_prestd_directive())
return;
if (compiling) {
if (option_flags.lang_asm) { /* "Assembler" source */
if (warn_level & 1)
cwarn( unknown, identifier, 0L, NULL);
mcpp_fputs( infile->buffer, OUT); /* Putout the line */
} else {
cerror( unknown, identifier, 0L, NULL);
}
} else if (warn_level & 8) {
cwarn( unknown, identifier, 0L, " (in skipped block)");
}
skip_nl();
unget_ch();
return;
}
static int do_prestd_directive( void)
/*
* Process directives for pre-Standard mode.
*/
{
#if COMPILER != GNUC
if (str_eq( identifier, "assert")) { /* #assert */
if (! compiling) /* Only validity check */
return TRUE;
if (eval_if() == 0L) { /* Assert expression */
cerror( "Preprocessing assertion failed" /* _E_ */
, NULL, 0L, NULL);
skip_nl();
unget_ch();
}
return TRUE;
} else
#endif
if (str_eq( identifier, "put_defines")) {
if (! compiling) /* Only validity check */
return TRUE;
if (mcpp_mode != OLD_PREP && ! is_junk())
dump_def( TRUE, FALSE); /* #put_defines */
skip_nl();
unget_ch();
return TRUE;
} else if (str_eq( identifier, "preprocess")) {
if (! compiling) /* Only validity check */
return TRUE;
if (mcpp_mode != OLD_PREP && ! is_junk())
/* Just putout the directive for the succeding preprocessor */
mcpp_fputs( "#preprocessed\n", OUT);
skip_nl();
unget_ch();
return TRUE;
} else if (str_eq( identifier, "preprocessed")) {
if (! compiling) /* Only validity check */
return TRUE;
if (mcpp_mode != OLD_PREP && ! is_junk()) {
skip_nl();
do_preprocessed(); /* #preprocessed */
return TRUE;
}
skip_nl();
unget_ch();
return TRUE;
}
if (str_eq( identifier, "debug")) { /* #debug <args> */
if (! compiling) /* Only validity check */
return TRUE;
do_debug( TRUE);
return TRUE;
} else if (str_eq( identifier, "end_debug")) {
if (! compiling)
return TRUE;
do_debug( FALSE); /* #end_debug <args> */
return TRUE;
}
if (str_eq( identifier, "asm")) { /* #asm */
do_asm( TRUE);
return TRUE;
}
if (str_eq( identifier, "endasm")) { /* #endasm */
do_asm( FALSE);
skip_nl(); /* Skip comments, etc. */
unget_ch();
return TRUE;
}
return FALSE; /* Unknown directive */
}
static void do_preprocessed( void)
/*
* The source file has been already preprocessed.
* Copy the lines to output.
* Install macros according the #define directives.
*/
{
const char * corrupted =
"This preprocessed file is corrupted"; /* _F_ */
FILEINFO * file;
char * lbuf;
char * cp;
const char ** incptr;
char * comment = NULL;
char * colon = NULL;
const char * dir;
#if STD_LINE_PREFIX == FALSE
char conv[ NBUFF];
char * arg;
/*
* Compiler cannot accept C source style #line.
* Convert it to the compiler-specific format.
*/
strcpy( conv, LINE_PREFIX);
arg = conv + strlen( conv);
#endif
file = infile;
lbuf = file->bptr = file->buffer; /* Reset file->bptr */
/* Copy the input to output until a comment line appears. */
while (fgets( lbuf, NBUFF, file->fp) != NULL
&& memcmp( lbuf, "/*", 2) != 0) {
#if STD_LINE_PREFIX == FALSE
if (memcmp( lbuf, "#line ", 6) == 0) {
strcpy( arg, lbuf + 6);
mcpp_fputs( conv, OUT);
} else
#endif
{
mcpp_fputs( lbuf, OUT);
}
}
if (! str_eq( lbuf, "/* Currently defined macros. */\n"))
cfatal( "This is not a preprocessed source" /* _F_ */
, NULL, 0L, NULL);
/* Define macros according to the #define lines. */
while (fgets( lbuf, NWORK, file->fp) != NULL) {
if (memcmp( lbuf, "/*", 2) == 0) {
/* Standard predefined macro */
continue;
}
if (memcmp( lbuf, "#define ", 8) != 0) {
if (memcmp( lbuf, "#line", 5) == 0)
continue;
else
cfatal( corrupted, NULL, 0L, NULL);
}
/* Filename and line-number information in comment as: */
/* dir/fname:1234\t*/
cp = lbuf + strlen( lbuf);
if ((memcmp( cp - 4, "\t*/\n", 4) != 0)
|| (*(cp - 4) = EOS
, (comment = strrchr( lbuf, '*')) == NULL)
|| (memcmp( --comment, "/* ", 3) != 0)
|| ((colon = strrchr( comment, ':')) == NULL))
cfatal( corrupted, NULL, 0L, NULL);
src_line = atol( colon + 1); /* Pseudo line number */
*colon = EOS;
dir = comment + 3;
inc_dirp = &null;
/* Search the include directory list */
for (incptr = incdir ; incptr < incend; incptr++) {
if (memcmp( *incptr, dir, strlen( *incptr)) == 0) {
inc_dirp = incptr;
break;
}
}
/* Register the filename to fnamelist[] */
/* inc_dirp may be NULL, and cur_fname may be "(predefined)" */
cur_fname = set_fname( dir + strlen( *inc_dirp));
strcpy( comment - 2, "\n"); /* Remove the comment */
unget_string( lbuf + 8, NULL);
do_define( FALSE, 0);
get_ch(); /* '\n' */
get_ch(); /* Clear the "file" */
unget_ch(); /* infile == file */
}
file->bptr = file->buffer + strlen( file->buffer);
}
static int do_debug(
int set /* TRUE to set debugging */
)
/*
* #pragma MCPP debug, #pragma MCPP end_debug, #debug, #end_debug
* Return TRUE when diagnostic is issued else return FALSE.
*/
{
struct Debug_arg {
const char * arg_name; /* Name of option */
int arg_num; /* Value of 'debug' */
};
static struct Debug_arg debug_args[] = {
{ "path", PATH },
{ "token", TOKEN },
{ "expand", EXPAND },
{ "macro_call", MACRO_CALL }, /* Implemented only in STD mode */
{ "if", IF },
{ "expression", EXPRESSION },
{ "getc", GETC },
{ "memory", MEMORY },
{ NULL, 0 },
};
struct Debug_arg *argp;
int num;
int c;
c = skip_ws();
if (c == '\n') {
unget_ch();
if (set) {
if (warn_level & 1)
cwarn( "No argument", NULL, 0L, NULL); /* _W1_ */
return TRUE;
} else {
mcpp_debug = 0; /* Clear all the flags */
return FALSE;
}
}
while (scan_token( c, (workp = work_buf, &workp), work_end) == NAM) {
argp = debug_args;
while (argp->arg_name) {
if (str_eq( argp->arg_name, work_buf))
break;
argp++;
}
if (argp->arg_name == NULL) {
if (warn_level & 1)
cwarn( unknown_arg, work_buf, 0L, NULL);
goto diagnosed;
} else {
num = argp->arg_num;
if (set) {
mcpp_debug |= num;
if (num == PATH)
dump_path();
else if (num == MEMORY)
print_heap();
else if (num == MACRO_CALL)
option_flags.k = TRUE; /* This pragma needs this mode */
} else {
mcpp_debug &= ~num;
}
}
c = skip_ws();
}
if ((mcpp_mode != STD && (mcpp_debug & MACRO_CALL)) || c != '\n') {
if (warn_level & 1) {
if (c != '\n') {
cwarn( not_ident, work_buf, 0L, NULL);
} else {
cwarn( unknown_arg, work_buf, 0L, NULL);
mcpp_debug &= ~num; /* Disable */
}
}
skip_nl();
unget_ch();
goto diagnosed;
}
unget_ch();
return FALSE;
diagnosed:
return TRUE;
}
void put_asm( void)
/*
* Put out source line as it is.
*/
{
#if 0
mcpp_fputs( "#2\n", OUT);
mcpp_fputs( infile->buffer, OUT);
skip_nl();
#endif
}
static void dump_path( void)
/*
* Show the include directories.
*/
{
const char ** incptr;
const char * inc_dir;
const char * dir = "./";
int i;
mcpp_fputs( "Include paths are as follows --\n", DBG);
for (incptr = incdir; incptr < incend; incptr++) {
inc_dir = *incptr;
if (*inc_dir == '\0')
inc_dir = dir;
mcpp_fprintf( DBG, " %s\n", inc_dir);
}
mcpp_fputs( "End of include path list.\n", DBG);
#if SYSTEM == SYS_MAC
mcpp_fputs( "Framework paths are as follows --\n", DBG);
for (i = 0; i < num_framework; i++ )
mcpp_fprintf( DBG, " %s\n", framework[ i]);
mcpp_fputs( "End of framework path list.\n", DBG);
#endif
}
/*
* Note: The getopt() of glibc should not be used since the specification
* differs from the standard one.
* Use this mcpp_getopt() for mcpp.
*/
/* Based on the public-domain-software released by AT&T in 1985. */
#define OPTERR( s, c) if (mcpp_opterr) { \
mcpp_fputs( argv[0], ERR); \
mcpp_fputs( s, ERR); \
mcpp_fputc( c, ERR); \
mcpp_fputc( '\n', ERR); \
}
static int mcpp_getopt(
int argc,
char * const * argv,
const char * opts
)
/*
* Get the next option (and it's argument) from the command line.
*/
{
const char * const error1 = ": option requires an argument --";
const char * const error2 = ": illegal option --";
static int sp = 1;
int c;
const char * cp;
if (sp == 1) {
if (argc <= mcpp_optind ||
argv[ mcpp_optind][ 0] != '-'
|| argv[ mcpp_optind][ 1] == '\0') {
return EOF;
} else if (strcmp( argv[ mcpp_optind], "--") == 0) {
mcpp_optind++;
return EOF;
}
}
/* mcpp_optopt = c = (unsigned char) argv[ mcpp_optind][ sp]; */
mcpp_optopt = c = argv[ mcpp_optind][ sp] & UCHARMAX;
if (c == ':' || (cp = strchr( opts, c)) == NULL) {
OPTERR( error2, c)
if (argv[ mcpp_optind][ ++sp] == '\0') {
mcpp_optind++;
sp = 1;
}
return '?';
}
if (*++cp == ':') {
if (argv[ mcpp_optind][ sp+1] != '\0') {
mcpp_optarg = &argv[ mcpp_optind++][ sp+1];
} else if (argc <= ++mcpp_optind) {
OPTERR( error1, c)
sp = 1;
return '?';
} else {
mcpp_optarg = argv[ mcpp_optind++];
}
sp = 1;
} else {
if (argv[ mcpp_optind][ ++sp] == '\0') {
sp = 1;
mcpp_optind++;
}
mcpp_optarg = NULL;
}
return c;
}
#if ! HOST_HAVE_STPCPY
char * stpcpy(
char * dest,
const char * src
)
/*
* Copy the string and return the advanced pointer.
*/
{
const char * s;
char * d;
for (s = src, d = dest; (*d++ = *s++) != '\0'; )
;
return d - 1;
}
#endif
/*
* list_heap() is a function to print out information of heap-memory.
* See "kmmalloc-2.5.3.zip" by kmatsui.
*/
#if KMMALLOC
int list_heap( int);
#elif BSD_MALLOC
int list_heap( char *);
#elif DB_MALLOC || DMALLOC
int list_heap( FILE *);
#endif
void print_heap( void)
{
#if KMMALLOC
list_heap( 1);
#elif BSD_MALLOC
list_heap( ":cpp");
#elif DB_MALLOC || DMALLOC || PHK_MALLOC || DLMALLOC
list_heap( fp_debug);
#endif
}
void at_end( void)
/*
* Handle the commands to be executed at the end of processing.
*/
{
#if COMPILER == GNUC
if (dMflag || dDflag)
dump_def( FALSE, FALSE);
#endif
}
#if MCPP_LIB
void clear_filelist( void)
/*
* Free malloced memory for filename-list and directory-list.
*/
{
const char ** incp;
INC_LIST * namep;
for (incp = incdir; incp < incend; incp++)
free( (void *) *incp);
free( (void *) incdir);
for (namep = fnamelist; namep < fname_end; namep++)
free( (void *) namep->name);
free( (void *) fnamelist);
if (standard)
free( (void *) once_list);
}
#endif