LCOV - code coverage report
Current view: top level - /mnt/build/buildbot/bld/build-lcov/gcc/m2/gm2-compiler-boot - M2Preprocess.c (source / functions) Coverage Total Hit
Test: gcc.info Lines: 73.6 % 87 64
Test Date: 2024-04-13 14:00:49 Functions: 80.0 % 10 8
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: - 0 0

             Branch data     Line data    Source code
       1                 :             : /* do not edit automatically generated by mc from M2Preprocess.  */
       2                 :             : /* M2Preprocess.mod provides a mechanism to invoke the C preprocessor.
       3                 :             : 
       4                 :             : Copyright (C) 2001-2024 Free Software Foundation, Inc.
       5                 :             : Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
       6                 :             : 
       7                 :             : This file is part of GNU Modula-2.
       8                 :             : 
       9                 :             : GNU Modula-2 is free software; you can redistribute it and/or modify
      10                 :             : it under the terms of the GNU General Public License as published by
      11                 :             : the Free Software Foundation; either version 3, or (at your option)
      12                 :             : any later version.
      13                 :             : 
      14                 :             : GNU Modula-2 is distributed in the hope that it will be useful, but
      15                 :             : WITHOUT ANY WARRANTY; without even the implied warranty of
      16                 :             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17                 :             : General Public License for more details.
      18                 :             : 
      19                 :             : You should have received a copy of the GNU General Public License
      20                 :             : along with GNU Modula-2; see the file COPYING3.  If not see
      21                 :             : <http://www.gnu.org/licenses/>.  */
      22                 :             : 
      23                 :             : #include "config.h"
      24                 :             : #include "system.h"
      25                 :             : #include <stdbool.h>
      26                 :             : #   if !defined (PROC_D)
      27                 :             : #      define PROC_D
      28                 :             :        typedef void (*PROC_t) (void);
      29                 :             :        typedef struct { PROC_t proc; } PROC;
      30                 :             : #   endif
      31                 :             : 
      32                 :             : #   if !defined (FALSE)
      33                 :             : #      define FALSE (1==0)
      34                 :             : #   endif
      35                 :             : 
      36                 :             : #if defined(__cplusplus)
      37                 :             : #   undef NULL
      38                 :             : #   define NULL 0
      39                 :             : #endif
      40                 :             : #define _M2Preprocess_H
      41                 :             : #define _M2Preprocess_C
      42                 :             : 
      43                 :             : #   include "GSYSTEM.h"
      44                 :             : #   include "GDynamicStrings.h"
      45                 :             : #   include "Gchoosetemp.h"
      46                 :             : #   include "Gpexecute.h"
      47                 :             : #   include "Glibc.h"
      48                 :             : #   include "GLists.h"
      49                 :             : #   include "GFIO.h"
      50                 :             : #   include "GM2Printf.h"
      51                 :             : #   include "GM2Options.h"
      52                 :             : #   include "GNameKey.h"
      53                 :             : #   include "GM2RTS.h"
      54                 :             : 
      55                 :             : #   define Debugging false
      56                 :             : static Lists_List ListOfFiles;
      57                 :             : 
      58                 :             : /*
      59                 :             :    PreprocessModule - preprocess a file, filename, returning the new filename
      60                 :             :                       of the preprocessed file.
      61                 :             :                       Preprocessing will only occur if requested by the user.
      62                 :             :                       If no preprocessing was requested then filename is returned.
      63                 :             :                       If preprocessing occurs then a temporary file is created
      64                 :             :                       and its name is returned.
      65                 :             :                       All temporary files will be deleted when the compiler exits.
      66                 :             :                       outputdep is the filename which will contain the dependency
      67                 :             :                       info if -M, -MM is provided.  outputdep can be NIL in which case
      68                 :             :                       it is ignored.
      69                 :             : */
      70                 :             : 
      71                 :             : extern "C" DynamicStrings_String M2Preprocess_PreprocessModule (DynamicStrings_String filename, bool topSource, bool deleteDep, DynamicStrings_String outputDep);
      72                 :             : 
      73                 :             : /*
      74                 :             :    MakeSaveTempsFileNameExt - creates and return the temporary filename.ext.
      75                 :             :                               in the current working directory unless
      76                 :             :                               SaveTempsDir = obj, when we put it in the dumpdir
      77                 :             :                               if that is specified (or fallback to '.' if not).
      78                 :             : */
      79                 :             : 
      80                 :             : extern "C" DynamicStrings_String M2Preprocess_MakeSaveTempsFileNameExt (DynamicStrings_String filename, DynamicStrings_String ext);
      81                 :             : 
      82                 :             : /*
      83                 :             :    OnExitDelete - when the application finishes delete filename.
      84                 :             : */
      85                 :             : 
      86                 :             : extern "C" DynamicStrings_String M2Preprocess_OnExitDelete (DynamicStrings_String filename);
      87                 :             : 
      88                 :             : /*
      89                 :             :    RemoveFile - removes a single file, s.
      90                 :             : */
      91                 :             : 
      92                 :             : static void RemoveFile (unsigned int w);
      93                 :             : 
      94                 :             : /*
      95                 :             :    RemoveFiles -
      96                 :             : */
      97                 :             : 
      98                 :             : static int RemoveFiles (void);
      99                 :             : static DynamicStrings_String GetFileName (DynamicStrings_String Path);
     100                 :             : 
     101                 :             : /*
     102                 :             :    MakeSaveTempsFileName - return a temporary file like
     103                 :             :    "./filename.{def,mod}.m2i" in the current working directory unless
     104                 :             :    SaveTempsDir = obj, when we put it in the dumpdir if that is specified
     105                 :             :    (or fallback to '.' if not).
     106                 :             :    We have to keep the original extension because that disambiguates .def
     107                 :             :    and .mod files (otherwise, we'd need two 'preprocessed' extensions).
     108                 :             : */
     109                 :             : 
     110                 :             : static DynamicStrings_String MakeSaveTempsFileName (DynamicStrings_String filename);
     111                 :             : 
     112                 :             : /*
     113                 :             :    BuildCommandLineExecute - build the cpp command line and execute the command and return
     114                 :             :                              the tempfile containing the preprocessed source.
     115                 :             : */
     116                 :             : 
     117                 :             : static DynamicStrings_String BuildCommandLineExecute (DynamicStrings_String filename, bool topSource, bool deleteDep, DynamicStrings_String command, DynamicStrings_String outputdep);
     118                 :             : 
     119                 :             : 
     120                 :             : /*
     121                 :             :    RemoveFile - removes a single file, s.
     122                 :             : */
     123                 :             : 
     124                 :       15003 : static void RemoveFile (unsigned int w)
     125                 :             : {
     126                 :       15003 :   NameKey_Name n;
     127                 :             : 
     128                 :       15003 :   n = static_cast<NameKey_Name> (w);
     129                 :       15003 :   if (Debugging)
     130                 :             :     {
     131                 :             :       libc_printf ((const char *) "removing: %s\\n", 14, NameKey_KeyToCharStar (n));
     132                 :             :     }
     133                 :       15003 :   if ((libc_unlink (NameKey_KeyToCharStar (n))) != 0)
     134                 :             :     {}  /* empty.  */
     135                 :       15003 : }
     136                 :             : 
     137                 :             : 
     138                 :             : /*
     139                 :             :    RemoveFiles -
     140                 :             : */
     141                 :             : 
     142                 :       12963 : static int RemoveFiles (void)
     143                 :             : {
     144                 :       12963 :   Lists_ForeachItemInListDo (ListOfFiles, (SymbolKey_PerformOperation) {(SymbolKey_PerformOperation_t) RemoveFile});
     145                 :       12963 :   return 0;
     146                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     147                 :             :   __builtin_unreachable ();
     148                 :             : }
     149                 :             : 
     150                 :      166878 : static DynamicStrings_String GetFileName (DynamicStrings_String Path)
     151                 :             : {
     152                 :      166878 :   int fstart;
     153                 :             : 
     154                 :             :   /* 
     155                 :             :    Return the filename with no path.
     156                 :             :   */
     157                 :      166878 :   fstart = DynamicStrings_RIndex (Path, '/', 0);
     158                 :      166878 :   if (fstart == -1)
     159                 :             :     {
     160                 :             :       fstart = 0;
     161                 :             :     }
     162                 :             :   else
     163                 :             :     {
     164                 :       12963 :       fstart = fstart+1;
     165                 :             :     }
     166                 :      166878 :   return DynamicStrings_Dup (DynamicStrings_Slice (Path, fstart, static_cast<int> (DynamicStrings_Length (Path))));
     167                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     168                 :             :   __builtin_unreachable ();
     169                 :             : }
     170                 :             : 
     171                 :             : 
     172                 :             : /*
     173                 :             :    MakeSaveTempsFileName - return a temporary file like
     174                 :             :    "./filename.{def,mod}.m2i" in the current working directory unless
     175                 :             :    SaveTempsDir = obj, when we put it in the dumpdir if that is specified
     176                 :             :    (or fallback to '.' if not).
     177                 :             :    We have to keep the original extension because that disambiguates .def
     178                 :             :    and .mod files (otherwise, we'd need two 'preprocessed' extensions).
     179                 :             : */
     180                 :             : 
     181                 :           0 : static DynamicStrings_String MakeSaveTempsFileName (DynamicStrings_String filename)
     182                 :             : {
     183                 :           0 :   return M2Preprocess_MakeSaveTempsFileNameExt (filename, DynamicStrings_InitString ((const char *) ".m2i", 4));
     184                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     185                 :             :   __builtin_unreachable ();
     186                 :             : }
     187                 :             : 
     188                 :             : 
     189                 :             : /*
     190                 :             :    BuildCommandLineExecute - build the cpp command line and execute the command and return
     191                 :             :                              the tempfile containing the preprocessed source.
     192                 :             : */
     193                 :             : 
     194                 :        2040 : static DynamicStrings_String BuildCommandLineExecute (DynamicStrings_String filename, bool topSource, bool deleteDep, DynamicStrings_String command, DynamicStrings_String outputdep)
     195                 :             : {
     196                 :        2040 :   DynamicStrings_String tempfile;
     197                 :        2040 :   DynamicStrings_String commandLine;
     198                 :             : 
     199                 :        2040 :   commandLine = DynamicStrings_Dup (command);
     200                 :        2040 :   tempfile = static_cast<DynamicStrings_String> (NULL);
     201                 :             :   /* We support MD and MMD for the main file only, at present.  */
     202                 :        2040 :   if (topSource || M2Options_PPonly)
     203                 :             :     {
     204                 :         456 :       if (M2Options_GetMD ())
     205                 :             :         {
     206                 :           0 :           tempfile = DynamicStrings_ConCat (DynamicStrings_InitString ((const char *) " -MD ", 5), outputdep);
     207                 :             :         }
     208                 :         456 :       else if (M2Options_GetMMD ())
     209                 :             :         {
     210                 :             :           /* avoid dangling else.  */
     211                 :           0 :           tempfile = DynamicStrings_ConCat (DynamicStrings_InitString ((const char *) " -MMD ", 6), outputdep);
     212                 :             :         }
     213                 :           0 :       if (tempfile != NULL)
     214                 :             :         {
     215                 :           0 :           commandLine = DynamicStrings_ConCat (DynamicStrings_Dup (commandLine), DynamicStrings_Dup (tempfile));
     216                 :             :           /* We can only add MQ if we already have an MD/MMD.  */
     217                 :           0 :           if ((M2Options_GetMQ ()) != NULL)
     218                 :             :             {
     219                 :           0 :               tempfile = DynamicStrings_InitStringCharStar (M2Options_GetMQ ());
     220                 :           0 :               commandLine = DynamicStrings_ConCat (DynamicStrings_Dup (commandLine), DynamicStrings_Dup (tempfile));
     221                 :             :             }
     222                 :             :         }
     223                 :             :     }
     224                 :             :   /* The output file depends on whether we are in stand-alone PP mode, and
     225                 :             :       if an output file is specified.  */
     226                 :        2040 :   tempfile = static_cast<DynamicStrings_String> (NULL);
     227                 :        2040 :   if (M2Options_PPonly)
     228                 :             :     {
     229                 :             :       /* avoid dangling else.  */
     230                 :           0 :       if ((M2Options_GetObj ()) != NULL)
     231                 :             :         {
     232                 :           0 :           tempfile = DynamicStrings_InitStringCharStar (M2Options_GetObj ());
     233                 :             :         }
     234                 :             :     }
     235                 :        2040 :   else if (M2Options_SaveTemps)
     236                 :             :     {
     237                 :             :       /* avoid dangling else.  */
     238                 :           0 :       tempfile = MakeSaveTempsFileName (filename);
     239                 :             :     }
     240                 :             :   else
     241                 :             :     {
     242                 :             :       /* avoid dangling else.  */
     243                 :        2040 :       tempfile = DynamicStrings_InitStringCharStar (choosetemp_make_temp_file (NameKey_KeyToCharStar (NameKey_MakeKey ((const char *) ".m2i", 4))));
     244                 :             :     }
     245                 :        2040 :   commandLine = DynamicStrings_ConCat (DynamicStrings_ConCatChar (DynamicStrings_Dup (commandLine), ' '), filename);
     246                 :        2040 :   if (tempfile != NULL)
     247                 :             :     {
     248                 :        2040 :       commandLine = DynamicStrings_ConCat (DynamicStrings_ConCat (DynamicStrings_Dup (commandLine), DynamicStrings_Mark (DynamicStrings_InitString ((const char *) " -o ", 4))), tempfile);
     249                 :             :     }
     250                 :        2040 :   if (((outputdep != NULL) && ((DynamicStrings_Length (outputdep)) > 0)) && ((M2Options_GetM ()) || (M2Options_GetMM ())))
     251                 :             :     {
     252                 :           0 :       commandLine = DynamicStrings_ConCat (commandLine, DynamicStrings_ConCat (DynamicStrings_Mark (DynamicStrings_InitString ((const char *) " -MF ", 5)), outputdep));
     253                 :           0 :       if (deleteDep && ! M2Options_SaveTemps)
     254                 :             :         {
     255                 :           0 :           outputdep = M2Preprocess_OnExitDelete (outputdep);
     256                 :             :         }
     257                 :             :     }
     258                 :             :   /* for now we'll use system  */
     259                 :        2040 :   if (M2Options_Verbose)
     260                 :             :     {
     261                 :           0 :       M2Printf_fprintf1 (FIO_StdOut, (const char *) "preprocess: %s\\n", 16, (const unsigned char *) &commandLine, (sizeof (commandLine)-1));
     262                 :             :     }
     263                 :        2040 :   if ((libc_system (DynamicStrings_string (commandLine))) != 0)
     264                 :             :     {
     265                 :           0 :       M2Printf_fprintf1 (FIO_StdErr, (const char *) "C preprocessor failed when preprocessing %s\\n", 45, (const unsigned char *) &filename, (sizeof (filename)-1));
     266                 :           0 :       libc_exit (1);
     267                 :             :     }
     268                 :        2040 :   commandLine = DynamicStrings_KillString (commandLine);
     269                 :        2040 :   if (M2Options_SaveTemps)
     270                 :             :     {
     271                 :             :       return tempfile;
     272                 :             :     }
     273                 :             :   else
     274                 :             :     {
     275                 :        2040 :       return M2Preprocess_OnExitDelete (tempfile);
     276                 :             :     }
     277                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     278                 :             :   __builtin_unreachable ();
     279                 :             : }
     280                 :             : 
     281                 :             : 
     282                 :             : /*
     283                 :             :    PreprocessModule - preprocess a file, filename, returning the new filename
     284                 :             :                       of the preprocessed file.
     285                 :             :                       Preprocessing will only occur if requested by the user.
     286                 :             :                       If no preprocessing was requested then filename is returned.
     287                 :             :                       If preprocessing occurs then a temporary file is created
     288                 :             :                       and its name is returned.
     289                 :             :                       All temporary files will be deleted when the compiler exits.
     290                 :             :                       outputdep is the filename which will contain the dependency
     291                 :             :                       info if -M, -MM is provided.  outputdep can be NIL in which case
     292                 :             :                       it is ignored.
     293                 :             : */
     294                 :             : 
     295                 :      166878 : extern "C" DynamicStrings_String M2Preprocess_PreprocessModule (DynamicStrings_String filename, bool topSource, bool deleteDep, DynamicStrings_String outputDep)
     296                 :             : {
     297                 :      166878 :   DynamicStrings_String command;
     298                 :             : 
     299                 :      166878 :   if (M2Options_GetCpp ())
     300                 :             :     {
     301                 :        2040 :       command = M2Options_CppCommandLine ();
     302                 :        2040 :       if ((command == NULL) || (DynamicStrings_EqualArray (command, (const char *) "", 0)))
     303                 :             :         {
     304                 :           0 :           return DynamicStrings_Dup (filename);
     305                 :             :         }
     306                 :        2040 :       command = BuildCommandLineExecute (filename, topSource, deleteDep, command, outputDep);
     307                 :        2040 :       if (command == NULL)
     308                 :             :         {
     309                 :             :           return filename;
     310                 :             :         }
     311                 :             :       else
     312                 :             :         {
     313                 :        2040 :           return command;
     314                 :             :         }
     315                 :             :     }
     316                 :             :   else
     317                 :             :     {
     318                 :      164838 :       return DynamicStrings_Dup (filename);
     319                 :             :     }
     320                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     321                 :             :   __builtin_unreachable ();
     322                 :             : }
     323                 :             : 
     324                 :             : 
     325                 :             : /*
     326                 :             :    MakeSaveTempsFileNameExt - creates and return the temporary filename.ext.
     327                 :             :                               in the current working directory unless
     328                 :             :                               SaveTempsDir = obj, when we put it in the dumpdir
     329                 :             :                               if that is specified (or fallback to '.' if not).
     330                 :             : */
     331                 :             : 
     332                 :      166878 : extern "C" DynamicStrings_String M2Preprocess_MakeSaveTempsFileNameExt (DynamicStrings_String filename, DynamicStrings_String ext)
     333                 :             : {
     334                 :      166878 :   DynamicStrings_String NewName;
     335                 :      166878 :   DynamicStrings_String DumpDir;
     336                 :      166878 :   DynamicStrings_String NewDir;
     337                 :             : 
     338                 :      166878 :   NewName = DynamicStrings_ConCat (DynamicStrings_Dup (GetFileName (filename)), ext);
     339                 :      166878 :   NewDir = DynamicStrings_Dup (M2Options_GetSaveTempsDir ());
     340                 :      166878 :   DumpDir = DynamicStrings_Dup (M2Options_GetDumpDir ());
     341                 :      166878 :   if (Debugging)
     342                 :             :     {
     343                 :             :       M2Printf_fprintf1 (FIO_StdOut, (const char *) "newname: %s", 11, (const unsigned char *) &NewName, (sizeof (NewName)-1));
     344                 :             :       M2Printf_fprintf1 (FIO_StdOut, (const char *) " NewDir: %s", 11, (const unsigned char *) &NewDir, (sizeof (NewDir)-1));
     345                 :             :       M2Printf_fprintf1 (FIO_StdOut, (const char *) " DumpDir: %s\\n", 14, (const unsigned char *) &DumpDir, (sizeof (DumpDir)-1));
     346                 :             :     }
     347                 :      166878 :   if (((NewDir != NULL) && (DynamicStrings_EqualArray (NewDir, (const char *) "obj", 3))) && (DumpDir != NULL))
     348                 :             :     {
     349                 :           0 :       return DynamicStrings_ConCat (DumpDir, NewName);
     350                 :             :     }
     351                 :             :   else
     352                 :             :     {
     353                 :      166878 :       return DynamicStrings_ConCat (DynamicStrings_InitString ((const char *) "./", 2), NewName);
     354                 :             :     }
     355                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     356                 :             :   __builtin_unreachable ();
     357                 :             : }
     358                 :             : 
     359                 :             : 
     360                 :             : /*
     361                 :             :    OnExitDelete - when the application finishes delete filename.
     362                 :             : */
     363                 :             : 
     364                 :       15003 : extern "C" DynamicStrings_String M2Preprocess_OnExitDelete (DynamicStrings_String filename)
     365                 :             : {
     366                 :       15003 :   if (filename != NULL)
     367                 :             :     {
     368                 :       15003 :       if (Debugging)
     369                 :             :         {
     370                 :             :           libc_printf ((const char *) "scheduling removal: %s\\n", 24, DynamicStrings_string (filename));
     371                 :             :         }
     372                 :       15003 :       Lists_IncludeItemIntoList (ListOfFiles, NameKey_makekey (DynamicStrings_string (filename)));
     373                 :             :     }
     374                 :       15003 :   return filename;
     375                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     376                 :             :   __builtin_unreachable ();
     377                 :             : }
     378                 :             : 
     379                 :       12963 : extern "C" void _M2_M2Preprocess_init (__attribute__((unused)) int argc,__attribute__((unused)) char *argv[],__attribute__((unused)) char *envp[])
     380                 :             : {
     381                 :       12963 :   Lists_InitList (&ListOfFiles);
     382                 :       12963 :   if ((libc_atexit ((libc_exitP_C) RemoveFiles)) != 0)
     383                 :             :     {
     384                 :           0 :       M2RTS_HALT (-1);
     385                 :             :       __builtin_unreachable ();
     386                 :             :     }
     387                 :       12963 : }
     388                 :             : 
     389                 :           0 : extern "C" void _M2_M2Preprocess_fini (__attribute__((unused)) int argc,__attribute__((unused)) char *argv[],__attribute__((unused)) char *envp[])
     390                 :             : {
     391                 :           0 : }
        

Generated by: LCOV version 2.1-beta

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto,rust,m2 --enable-host-shared. GCC test suite is run with the built compiler.