LCOV - code coverage report
Current view: top level - gcc/m2 - m2.flex (source / functions) Coverage Total Hit
Test: gcc.info Lines: 81.0 % 457 370
Test Date: 2026-02-28 14:20:25 Functions: 73.5 % 34 25
Legend: Lines:     hit not hit

            Line data    Source code
       1              : %{
       2              : /* m2.flex implements lexical analysis for Modula-2.
       3              : 
       4              : Copyright (C) 2004-2026 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 "gm2-gcc/gcc-consolidation.h"
      24              : 
      25              : #include "GM2Reserved.h"
      26              : #include "GM2LexBuf.h"
      27              : #include "input.h"
      28              : #include "m2options.h"
      29              : #include "Gm2linemap.h"
      30              : 
      31              : static int cpreprocessor = 0;  /* Replace this with correct getter.  */
      32              : 
      33              : #if defined(GM2USEGGC)
      34              : #  include "ggc.h"
      35              : #endif
      36              : 
      37              : #include "timevar.h"
      38              : 
      39              : #define START_FILE(F,L)   m2linemap_StartFile(F,L)
      40              : #define END_FILE()        m2linemap_EndFile()
      41              : #define START_LINE(N,S)   m2linemap_StartLine(N,S)
      42              : #define GET_LOCATION(COLUMN_START,COLUMN_END) \
      43              :         m2linemap_GetLocationRange(COLUMN_START,COLUMN_END)
      44              : #define TIMEVAR_PUSH_LEX  timevar_push (TV_LEX)
      45              : #define TIMEVAR_POP_LEX   timevar_pop (TV_LEX)
      46              : 
      47              : #ifdef __cplusplus
      48              : #define EXTERN extern "C"
      49              : #endif
      50              : 
      51              : #define FIRST_COLUMN 1
      52              : 
      53              :   /* m2.flex provides a lexical analyser for GNU Modula-2.  */
      54              : 
      55              :   struct lineInfo {
      56              :     char            *linebuf;          /* line contents */
      57              :     int              linelen;          /* length */
      58              :     int              tokenpos;         /* start position of token within line */
      59              :     int              toklen;           /* a copy of yylen (length of token) */
      60              :     int              nextpos;          /* position after token */
      61              :     int              lineno;           /* line number of this line */
      62              :     int              column;           /* first column number of token on this line */
      63              :     bool             inuse;            /* do we need to keep this line info? */
      64              :     location_t       location;         /* the corresponding gcc location_t */
      65              :     struct lineInfo *next;
      66              :   };
      67              : 
      68              :   struct functionInfo {
      69              :     char                *name;         /* function name */
      70              :     bool                 module;       /* is it really a module? */
      71              :     struct functionInfo *next;         /* list of nested functions */
      72              :   };
      73              : 
      74              :   static int                  lineno      =1;   /* a running count of the file line number */
      75              :   static char                *filename    =NULL;
      76              :   static int                  commentLevel=0;
      77              :   static int                  commentCLevel=0;
      78              :   static struct lineInfo     *currentLine=NULL;
      79              :   static struct functionInfo *currentFunction=NULL;
      80              :   static bool                 seenFunctionStart=false;
      81              :   static bool                 seenEnd=false;
      82              :   static bool                 seenModuleStart=false;
      83              :   static bool                 isDefinitionModule=false;
      84              :   static int                  totalLines=0;
      85              : 
      86              : static  void pushLine                 (void);
      87              : static  void popLine                  (void);
      88              : static  void finishedLine             (void);
      89              : static  void resetpos                 (void);
      90              : static  void consumeLine              (void);
      91              : static  void updatepos                (void);
      92              : static  void skippos                  (void);
      93              : static  void poperrorskip             (const char *);
      94              : static  void endOfComment             (void);
      95              : static  void endOfCComment            (void);
      96              : static  void splitSlashStar           (void);
      97              : static  void handleDate               (void);
      98              : static  void handleLine               (void);
      99              : static  void handleFile               (void);
     100              : static  void handleFunction           (void);
     101              : static  void handleColumn             (void);
     102              : static  void pushFunction             (char *function, bool module);
     103              : static  void popFunction              (void);
     104              : static  void checkFunction            (void);
     105              : EXTERN  void m2flex_M2Error           (const char *);
     106              : EXTERN  location_t m2flex_GetLocation (void);
     107              : EXTERN  int  m2flex_GetColumnNo       (void);
     108              : EXTERN  bool m2flex_OpenSource        (char *s);
     109              : EXTERN  int  m2flex_GetLineNo         (void);
     110              : EXTERN  void m2flex_CloseSource       (void);
     111              : EXTERN  char *m2flex_GetToken         (void);
     112              : EXTERN  void _M2_m2flex_init          (void);
     113              : EXTERN  int  m2flex_GetTotalLines     (void);
     114              : extern  void  yylex                   (void);
     115              : 
     116              : #define YY_DECL void yylex (void)
     117              : %}
     118              : 
     119              : %option nounput
     120              : %x COMMENT COMMENT1 COMMENTC LINE0 LINE1 LINE2
     121              : 
     122              : %%
     123              : 
     124      4324592 : "(*"                       { updatepos();
     125      4324592 :                              commentLevel=1; pushLine(); skippos();
     126      4324592 :                              BEGIN COMMENT; }
     127      8780289 : <COMMENT>"*)"              { endOfComment(); }
     128      4586814 : <COMMENT>"(*"              { commentLevel++; pushLine(); updatepos(); skippos(); }
     129      4470630 : <COMMENT>"<*"              { if (commentLevel == 1) {
     130       146044 :                                updatepos();
     131        29860 :                                pushLine();
     132        14927 :                                skippos();
     133        14927 :                                BEGIN COMMENT1;
     134              :                              } else {
     135            6 :                                updatepos(); skippos();
     136              :                              }
     137              :                            }
     138     17839706 : <COMMENT>\n.*              { consumeLine(); }
     139    755270988 : <COMMENT>.                 { updatepos(); skippos(); }
     140       149270 : <COMMENT1>.                { updatepos(); skippos(); }
     141    755285915 : <COMMENT1>"*>"             { updatepos(); skippos(); finishedLine(); BEGIN COMMENT; }
     142       149270 : <COMMENT1>\n.*             { consumeLine(); }
     143        14927 : <COMMENT1>"*)"             { poperrorskip("unterminated source code directive, missing *>");
     144            0 :                              endOfComment(); }
     145            0 : <COMMENT1><<EOF>>          { poperrorskip("unterminated source code directive, missing *>"); BEGIN COMMENT; }
     146            0 : <COMMENT><<EOF>>           { poperrorskip("unterminated comment found at the end of the file, missing *)"); BEGIN INITIAL; }
     147           12 : 
     148            0 : "/*"                       { /* Possibly handle C preprocessor comment.  */
     149            0 :                              if (cpreprocessor)
     150              :                                {
     151            0 :                                  updatepos ();
     152            0 :                                  commentCLevel++;
     153            0 :                                  if (commentCLevel == 1)
     154              :                                    {
     155            0 :                                      pushLine ();
     156            0 :                                      skippos ();
     157              :                                    }
     158            0 :                                  BEGIN COMMENTC;
     159              :                                }
     160              :                              else
     161            0 :                                splitSlashStar ();
     162              :                            }
     163            0 : <COMMENTC>.                { updatepos(); skippos(); }
     164            0 : <COMMENTC>\n.*             { consumeLine(); }
     165            0 : <COMMENTC>"*/"             { endOfCComment(); }
     166        18184 : ^\#.*                      { consumeLine(); /* printf("found: %s\n", currentLine->linebuf); */
     167        18184 :                              if (M2Options_GetLineDirectives ())
     168        36368 :                                 BEGIN LINE0;
     169              :                            }
     170        14100 : \n\#.*                     { consumeLine(); /* printf("found: %s\n", currentLine->linebuf); */
     171        14100 :                              if (M2Options_GetLineDirectives ())
     172        14100 :                                 BEGIN LINE0;
     173        14100 :                            }
     174        14100 : <LINE0>\#[ \t]*            { updatepos(); }
     175        46384 : <LINE0>[0-9]+[ \t]*\"      { updatepos(); lineno=atoi(yytext); BEGIN LINE1; }
     176        46384 : <LINE0>\n                  { m2flex_M2Error("missing initial quote after #line directive"); resetpos(); BEGIN INITIAL; }
     177        32284 : <LINE0>[^\n]
     178            0 : <LINE1>[^\"\n]+            { m2flex_M2Error("missing final quote after #line directive"); resetpos(); BEGIN INITIAL; }
     179        50468 : <LINE1>.*\"                { updatepos();
     180        32284 :                              filename = (char *)xrealloc(filename, yyleng+1);
     181        32284 :                              strcpy(filename, yytext);
     182        32284 :                              filename[yyleng-1] = (char)0;  /* remove trailing quote */
     183        32284 :                              START_FILE (filename, lineno);
     184        32284 :                              BEGIN LINE2;
     185              :                            }
     186        32284 : <LINE2>[ \t]*              { updatepos(); }
     187        32284 : <LINE2>\n                  { M2LexBuf_SetFile(filename); updatepos(); BEGIN INITIAL; }
     188        35680 : <LINE2>2[ \t]*\n           { M2LexBuf_SetFile(filename); updatepos(); BEGIN INITIAL; }
     189         3396 : <LINE2>1[ \t]*\n           { M2LexBuf_SetFile(filename); updatepos(); BEGIN INITIAL; }
     190        18700 : <LINE2>1[ \t]*.*\n         { M2LexBuf_SetFile(filename); updatepos(); BEGIN INITIAL; }
     191         6792 : <LINE2>2[ \t]*.*\n         { M2LexBuf_SetFile(filename); updatepos(); BEGIN INITIAL; }
     192        10188 : <LINE2>3[ \t]*.*\n         { M2LexBuf_SetFile(filename); updatepos(); BEGIN INITIAL; }
     193        13584 : 
     194            0 : \n[^\#].*                  { consumeLine(); /* printf("found: %s\n", currentLine->linebuf); */ }
     195     47815648 : \n                         { consumeLine(); /* printf("found: %s\n", currentLine->linebuf); */ }
     196     48049902 : 
     197       455313 : \"[^\"\n]*\"               { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_stringtok, yytext); return; }
     198       699755 : \"[^\"\n]*$                { updatepos();
     199            0 :                              m2flex_M2Error("missing terminating quote, \"");
     200            0 :                              M2LexBuf_AddTokCharStar(M2Reserved_stringtok, yytext);
     201            0 :                              resetpos(); return;
     202            0 :                            }
     203            0 : 
     204       996601 : '[^'\n]*'                  { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_stringtok, yytext); return; }
     205       996607 : '[^'\n]*$                  { updatepos();
     206            6 :                              m2flex_M2Error("missing terminating quote, '");
     207            6 :                              M2LexBuf_AddTokCharStar(M2Reserved_stringtok, yytext);
     208           12 :                              resetpos(); return;
     209            6 :                            }
     210            6 : 
     211       244903 : <<EOF>>                    { updatepos(); M2LexBuf_AddTok(M2Reserved_eoftok); return; }
     212       437675 : \+                         { updatepos(); M2LexBuf_AddTok(M2Reserved_plustok); return; }
     213       417450 : -                          { updatepos(); M2LexBuf_AddTok(M2Reserved_minustok); return; }
     214       561279 : "*"                        { updatepos(); M2LexBuf_AddTok(M2Reserved_timestok); return; }
     215       676595 : \/                         { updatepos(); M2LexBuf_AddTok(M2Reserved_dividetok); return; }
     216      3940251 : :=                         { updatepos(); M2LexBuf_AddTok(M2Reserved_becomestok); return; }
     217        14242 : \&                         { updatepos(); M2LexBuf_AddTok(M2Reserved_ambersandtok); return; }
     218      6452842 : \.                         { updatepos(); M2LexBuf_AddTok(M2Reserved_periodtok); return; }
     219     11572914 : \,                         { updatepos(); M2LexBuf_AddTok(M2Reserved_commatok); return; }
     220     21709238 : \;                         { updatepos(); M2LexBuf_AddTok(M2Reserved_semicolontok); return; }
     221     26556038 : \(                         { updatepos(); M2LexBuf_AddTok(M2Reserved_lparatok); return; }
     222     34056173 : \)                         { updatepos(); M2LexBuf_AddTok(M2Reserved_rparatok); return; }
     223     16117765 : \[                         { updatepos(); M2LexBuf_AddTok(M2Reserved_lsbratok); return; }
     224     16117745 : \]                         { updatepos(); M2LexBuf_AddTok(M2Reserved_rsbratok); return; }
     225      1134641 : \(\!                       { updatepos(); M2LexBuf_AddTok(M2Reserved_lsbratok); return; }
     226      1134615 : \!\)                       { updatepos(); M2LexBuf_AddTok(M2Reserved_rsbratok); return; }
     227      1359914 : \^                         { updatepos(); M2LexBuf_AddTok(M2Reserved_uparrowtok); return; }
     228            0 : \@                         { updatepos(); M2LexBuf_AddTok(M2Reserved_uparrowtok); return; }
     229      1396438 : \{                         { updatepos(); M2LexBuf_AddTok(M2Reserved_lcbratok); return; }
     230        36524 : \}                         { updatepos(); M2LexBuf_AddTok(M2Reserved_rcbratok); return; }
     231        36524 : \(\:                       { updatepos(); M2LexBuf_AddTok(M2Reserved_lcbratok); return; }
     232        36524 : \:\)                       { updatepos(); M2LexBuf_AddTok(M2Reserved_rcbratok); return; }
     233            0 : \'                         { updatepos(); M2LexBuf_AddTok(M2Reserved_singlequotetok); return; }
     234      1349540 : \=                         { updatepos(); M2LexBuf_AddTok(M2Reserved_equaltok); return; }
     235       570728 : \#                         { updatepos(); M2LexBuf_AddTok(M2Reserved_hashtok); return; }
     236      1780688 : \<                         { updatepos(); M2LexBuf_AddTok(M2Reserved_lesstok); return; }
     237       848788 : \>                         { updatepos(); M2LexBuf_AddTok(M2Reserved_greatertok); return; }
     238       431232 : \<\>                       { updatepos(); M2LexBuf_AddTok(M2Reserved_lessgreatertok); return; }
     239       503990 : \<\=                       { updatepos(); M2LexBuf_AddTok(M2Reserved_lessequaltok); return; }
     240       113174 : \>\=                       { updatepos(); M2LexBuf_AddTok(M2Reserved_greaterequaltok); return; }
     241       699527 : "<*"                       { updatepos(); M2LexBuf_AddTok(M2Reserved_ldirectivetok); return; }
     242       586687 : "*>"                       { updatepos(); M2LexBuf_AddTok(M2Reserved_rdirectivetok); return; }
     243       576199 : \.\.                       { updatepos(); M2LexBuf_AddTok(M2Reserved_periodperiodtok); return; }
     244       484941 : \.\.\.                     { updatepos(); M2LexBuf_AddTok(M2Reserved_periodperiodperiodtok); return; }
     245     13239104 : \:                         { updatepos(); M2LexBuf_AddTok(M2Reserved_colontok); return; }
     246        11344 : \"                         { updatepos(); M2LexBuf_AddTok(M2Reserved_doublequotestok); return; }
     247     13209774 : \|                         { updatepos(); M2LexBuf_AddTok(M2Reserved_bartok); return; }
     248            0 : \!                         { updatepos(); M2LexBuf_AddTok(M2Reserved_bartok); return; }
     249        73272 : \~                         { updatepos(); M2LexBuf_AddTok(M2Reserved_nottok); return; }
     250       450210 : AND                        { updatepos(); M2LexBuf_AddTok(M2Reserved_andtok); return; }
     251      1122787 : ARRAY                      { updatepos(); M2LexBuf_AddTok(M2Reserved_arraytok); return; }
     252      2375524 : BEGIN                      { updatepos(); M2LexBuf_AddTok(M2Reserved_begintok); return; }
     253      1123183 : BY                         { updatepos(); M2LexBuf_AddTok(M2Reserved_bytok); return; }
     254      1970396 : CASE                       { updatepos(); M2LexBuf_AddTok(M2Reserved_casetok); return; }
     255        69760 : CONST                      { updatepos(); M2LexBuf_AddTok(M2Reserved_consttok); return; }
     256       207172 : DEFINITION                 { updatepos(); isDefinitionModule = true;
     257       231454 :                              M2LexBuf_AddTok(M2Reserved_definitiontok); return; }
     258       247937 : DIV                        { updatepos(); M2LexBuf_AddTok(M2Reserved_divtok); return; }
     259       619052 : DO                         { updatepos(); M2LexBuf_AddTok(M2Reserved_dotok); return; }
     260       895043 : ELSE                       { updatepos(); M2LexBuf_AddTok(M2Reserved_elsetok); return; }
     261       763572 : ELSIF                      { updatepos(); M2LexBuf_AddTok(M2Reserved_elsiftok); return; }
     262      5621470 : END                        { updatepos(); seenEnd=true;
     263      4956794 :                              M2LexBuf_AddTok(M2Reserved_endtok); return; }
     264      4812508 : EXCEPT                     { updatepos(); M2LexBuf_AddTok(M2Reserved_excepttok); return; }
     265          106 : EXIT                       { updatepos(); M2LexBuf_AddTok(M2Reserved_exittok); return; }
     266        86260 : EXPORT                     { updatepos(); M2LexBuf_AddTok(M2Reserved_exporttok); return; }
     267         6078 : FINALLY                    { updatepos(); M2LexBuf_AddTok(M2Reserved_finallytok); return; }
     268       142622 : FOR                        { updatepos(); M2LexBuf_AddTok(M2Reserved_fortok); return; }
     269         6032 : FORWARD                    { updatepos(); M2LexBuf_AddTok(M2Reserved_forwardtok); return; }
     270       409061 : FROM                       { updatepos(); M2LexBuf_AddTok(M2Reserved_fromtok); return; }
     271      1934923 : IF                         { updatepos(); M2LexBuf_AddTok(M2Reserved_iftok); return; }
     272       426485 : IMPLEMENTATION             { updatepos(); M2LexBuf_AddTok(M2Reserved_implementationtok); return; }
     273      2336676 : IMPORT                     { updatepos(); M2LexBuf_AddTok(M2Reserved_importtok); return; }
     274       157220 : IN                         { updatepos(); M2LexBuf_AddTok(M2Reserved_intok); return; }
     275       410511 : LOOP                       { updatepos(); M2LexBuf_AddTok(M2Reserved_looptok); return; }
     276       215942 : MOD                        { updatepos(); M2LexBuf_AddTok(M2Reserved_modtok); return; }
     277       268986 : MODULE                     { updatepos(); seenModuleStart=true;
     278       393030 :                              M2LexBuf_AddTok(M2Reserved_moduletok); return; }
     279       396062 : NOT                        { updatepos(); M2LexBuf_AddTok(M2Reserved_nottok); return; }
     280      1172623 : OF                         { updatepos(); M2LexBuf_AddTok(M2Reserved_oftok); return; }
     281       286306 : OR                         { updatepos(); M2LexBuf_AddTok(M2Reserved_ortok); return; }
     282      1175455 : PACKEDSET                  { updatepos(); M2LexBuf_AddTok(M2Reserved_packedsettok); return; }
     283       251637 : POINTER                    { updatepos(); M2LexBuf_AddTok(M2Reserved_pointertok); return; }
     284      5239428 : PROCEDURE                  { updatepos(); seenFunctionStart=true;
     285      5337701 :                              M2LexBuf_AddTok(M2Reserved_proceduretok); return; }
     286      5310696 : QUALIFIED                  { updatepos(); M2LexBuf_AddTok(M2Reserved_qualifiedtok); return; }
     287        11632 : UNQUALIFIED                { updatepos(); M2LexBuf_AddTok(M2Reserved_unqualifiedtok); return; }
     288       145717 : RECORD                     { updatepos(); M2LexBuf_AddTok(M2Reserved_recordtok); return; }
     289        11728 : REM                        { updatepos(); M2LexBuf_AddTok(M2Reserved_remtok); return; }
     290       143247 : REPEAT                     { updatepos(); M2LexBuf_AddTok(M2Reserved_repeattok); return; }
     291          270 : RETRY                      { updatepos(); M2LexBuf_AddTok(M2Reserved_retrytok); return; }
     292      1530247 : RETURN                     { updatepos(); M2LexBuf_AddTok(M2Reserved_returntok); return; }
     293         2090 : SET                        { updatepos(); M2LexBuf_AddTok(M2Reserved_settok); return; }
     294      3538000 : THEN                       { updatepos(); M2LexBuf_AddTok(M2Reserved_thentok); return; }
     295       146505 : TO                         { updatepos(); M2LexBuf_AddTok(M2Reserved_totok); return; }
     296      2195838 : TYPE                       { updatepos(); M2LexBuf_AddTok(M2Reserved_typetok); return; }
     297       216219 : UNTIL                      { updatepos(); M2LexBuf_AddTok(M2Reserved_untiltok); return; }
     298      1693849 : VAR                        { updatepos(); M2LexBuf_AddTok(M2Reserved_vartok); return; }
     299       451764 : WHILE                      { updatepos(); M2LexBuf_AddTok(M2Reserved_whiletok); return; }
     300      1772822 : WITH                       { updatepos(); M2LexBuf_AddTok(M2Reserved_withtok); return; }
     301       380161 : ASM                        { updatepos(); M2LexBuf_AddTok(M2Reserved_asmtok); return; }
     302       195443 : VOLATILE                   { updatepos(); M2LexBuf_AddTok(M2Reserved_volatiletok); return; }
     303           27 : \_\_DATE\_\_               { updatepos(); handleDate(); return; }
     304       128257 : \_\_LINE\_\_               { updatepos(); handleLine(); return; }
     305       124654 : \_\_FILE\_\_               { updatepos(); handleFile(); return; }
     306       251162 : \_\_FUNCTION\_\_           { updatepos(); handleFunction(); return; }
     307       179262 : \_\_COLUMN\_\_             { updatepos(); handleColumn(); return; }
     308       593788 : \_\_ATTRIBUTE\_\_          { updatepos(); M2LexBuf_AddTok(M2Reserved_attributetok); return; }
     309       966002 : \_\_BUILTIN\_\_            { updatepos(); M2LexBuf_AddTok(M2Reserved_builtintok); return; }
     310       470868 : \_\_INLINE\_\_             { updatepos(); M2LexBuf_AddTok(M2Reserved_inlinetok); return; }
     311       911394 : 
     312            0 : 
     313        28982 : (([0-9]*\.[0-9]+)(E[+-]?[0-9]+)?) { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_realtok, yytext); return; }
     314            6 : [0-9]*\.E[+-]?[0-9]+       { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_realtok, yytext); return; }
     315     70426656 : [a-zA-Z_][a-zA-Z0-9_]*     { checkFunction(); updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_identtok, yytext); return; }
     316      2407390 : [0-9]+                     { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_integertok, yytext); return; }
     317     70426680 : [0-1]+A                    { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_integertok, yytext); return; }
     318      2410130 : [0-9]+B                    { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_integertok, yytext); return; }
     319       133118 : [0-9]+C                    { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_integertok, yytext); return; }
     320        14244 : [0-9A-F]+H                 { updatepos(); M2LexBuf_AddTokCharStar(M2Reserved_integertok, yytext); return; }
     321       133094 : [\t\r ]+                   { currentLine->tokenpos += yyleng;  /* Ignore space.  */; }
     322    110744422 : .                          { updatepos(); m2flex_M2Error("unrecognised symbol"); skippos(); }
     323    110732924 : 
     324            0 : %%
     325            0 : 
     326              : /* have removed the -? from the beginning of the real/integer constant literal rules */
     327              : 
     328              : /*
     329              :  *  hand built routines
     330              :  */
     331              : 
     332              : /*
     333              :  *  handleFile - handles the __FILE__ construct by wraping it in double quotes and putting
     334              :  *               it into the token buffer as a string.
     335              :  */
     336              : 
     337       124654 : static void handleFile (void)
     338              : {
     339       124654 :   char *s = (char *)alloca(strlen(filename)+2+1);
     340              : 
     341       124654 :   strcpy(s, "\"");
     342       124654 :   strcat(s, filename);
     343       124654 :   strcat(s, "\"");
     344       124654 :   M2LexBuf_AddTokCharStar(M2Reserved_stringtok, s);
     345       124654 : }
     346              : 
     347              : /*
     348              :  *  handleLine - handles the __LINE__ construct by passing an integer to
     349              :  *               the token buffer.
     350              :  */
     351              : 
     352       128242 : static void handleLine (void)
     353              : {
     354       128242 :   M2LexBuf_AddTokInteger(M2Reserved_integertok, lineno);
     355       128242 : }
     356              : 
     357              : /*
     358              :  *  handleColumn - handles the __COLUMN__ construct by passing an integer to
     359              :  *                 the token buffer.
     360              :  */
     361              : 
     362        54608 : static void handleColumn (void)
     363              : {
     364        54608 :   M2LexBuf_AddTokInteger(M2Reserved_integertok, m2flex_GetColumnNo());
     365        54608 : }
     366              : 
     367              : /*
     368              :  *  handleDate - handles the __DATE__ construct by passing the date
     369              :  *               as a string to the token buffer.
     370              :  */
     371              : 
     372            0 : static void handleDate (void)
     373              : {
     374            0 :   time_t  clock = time ((time_t *)0);
     375            0 :   char   *sdate = ctime (&clock);
     376            0 :   char   *s     = (char *) alloca (strlen (sdate) + 2 + 1);
     377            0 :   char   *p     = index (sdate, '\n');
     378              : 
     379            0 :   if (p != NULL) {
     380            0 :     *p = (char) 0;
     381              :   }
     382            0 :   strcpy(s, "\"");
     383            0 :   strcat(s, sdate);
     384            0 :   strcat(s, "\"");
     385            0 :   M2LexBuf_AddTokCharStar (M2Reserved_stringtok, s);
     386            0 : }
     387              : 
     388              : /*
     389              :  *  handleFunction - handles the __FUNCTION__ construct by wrapping
     390              :  *                   it in double quotes and putting it into the token
     391              :  *                   buffer as a string.
     392              :  */
     393              : 
     394       122920 : static void handleFunction (void)
     395              : {
     396       122920 :   if (currentFunction == NULL)
     397            0 :     M2LexBuf_AddTokCharStar(M2Reserved_stringtok, const_cast<char *>("\"\""));
     398       122920 :   else if (currentFunction->module) {
     399            6 :     char *s = (char *) alloca(strlen(yytext) +
     400              :                               strlen("\"module  initialization\"") + 1);
     401            6 :     strcpy(s, "\"module ");
     402            6 :     strcat(s, currentFunction->name);
     403            6 :     strcat(s, " initialization\"");
     404            6 :     M2LexBuf_AddTokCharStar(M2Reserved_stringtok, s);
     405              :   } else {
     406       122914 :     char *function = currentFunction->name;
     407       122914 :     char *s = (char *)alloca(strlen(function)+2+1);
     408       122914 :     strcpy(s, "\"");
     409       122914 :     strcat(s, function);
     410       122914 :     strcat(s, "\"");
     411       122914 :     M2LexBuf_AddTokCharStar(M2Reserved_stringtok, s);
     412              :   }
     413       122920 : }
     414              : 
     415              : /*
     416              :  *  pushFunction - pushes the function name onto the stack.
     417              :  */
     418              : 
     419      1544941 : static void pushFunction (char *function, bool module)
     420              : {
     421      1544941 :   if (currentFunction == NULL) {
     422        97764 :     currentFunction = (struct functionInfo *)xmalloc (sizeof (struct functionInfo));
     423        97764 :     currentFunction->name = xstrdup(function);
     424        97764 :     currentFunction->next = NULL;
     425        97764 :     currentFunction->module = module;
     426              :   } else {
     427      1447177 :     struct functionInfo *f = (struct functionInfo *)xmalloc (sizeof (struct functionInfo));
     428      1447177 :     f->name = xstrdup(function);
     429      1447177 :     f->next = currentFunction;
     430      1447177 :     f->module = module;
     431      1447177 :     currentFunction = f;
     432              :   }
     433      1544941 : }
     434              : 
     435              : /*
     436              :  *  popFunction - pops the current function.
     437              :  */
     438              : 
     439      1529822 : static void popFunction (void)
     440              : {
     441      1529822 :   if (currentFunction != NULL && currentFunction->next != NULL) {
     442      1447099 :     struct functionInfo *f = currentFunction;
     443              : 
     444      1447099 :     currentFunction = currentFunction->next;
     445      1447099 :     if (f->name != NULL)
     446      1447099 :       free(f->name);
     447      1447099 :     free(f);
     448              :   }
     449      1529822 : }
     450              : 
     451              : /*
     452              :  *  endOfComment - handles the end of comment
     453              :  */
     454              : 
     455      4455697 : static void endOfComment (void)
     456              : {
     457      4455697 :   commentLevel--;
     458      4455697 :   updatepos();
     459      4455697 :   skippos();
     460      4455697 :   if (commentLevel==0) {
     461      4324580 :     BEGIN INITIAL;
     462      4324580 :     finishedLine();
     463              :   } else
     464       131117 :     popLine();
     465      4455697 : }
     466              : 
     467              : /*
     468              :  *  endOfCComment - handles the end of C comment.
     469              :  */
     470              : 
     471            0 : static void endOfCComment (void)
     472              : {
     473            0 :   commentCLevel = 0;
     474            0 :   updatepos();
     475            0 :   skippos();
     476            0 :   BEGIN INITIAL;
     477            0 :   finishedLine();
     478            0 : }
     479              : 
     480              : /*
     481              :  *  m2flex_M2Error - displays the error message, s, after the code line and pointer
     482              :  *                   to the erroneous token.
     483              :  */
     484              : 
     485           24 : EXTERN void m2flex_M2Error (const char *s)
     486              : {
     487           24 :   if (currentLine->linebuf != NULL) {
     488           12 :     int i=1;
     489              : 
     490           12 :     printf("%s:%d:%s\n", filename, currentLine->lineno, currentLine->linebuf);
     491           12 :     printf("%s:%d:%*s", filename, currentLine->lineno, 1+currentLine->tokenpos, "^");
     492           60 :     while (i<currentLine->toklen) {
     493           36 :       putchar('^');
     494           36 :       i++;
     495              :     }
     496           12 :     putchar('\n');
     497              :   }
     498           24 :   if (s == NULL)
     499            0 :     printf("%s:%d\n", filename, currentLine->lineno);
     500              :   else
     501           24 :     printf("%s:%d:%s\n", filename, currentLine->lineno, s);
     502           24 : }
     503              : 
     504           12 : static void poperrorskip (const char *s)
     505              : {
     506           12 :   int nextpos =currentLine->nextpos;
     507           12 :   int tokenpos=currentLine->tokenpos;
     508              : 
     509           12 :   popLine();
     510           12 :   m2flex_M2Error(s);
     511           12 :   if (currentLine != NULL) {
     512           12 :     currentLine->nextpos  = nextpos;
     513           12 :     currentLine->tokenpos = tokenpos;
     514              :   }
     515           12 : }
     516              : 
     517              : /* skipnewline skips all '\n' at the start of the line and returns
     518              :    the new position.  */
     519              : 
     520              : static
     521              : char *
     522            0 : skipnewline (char *line)
     523              : {
     524            0 :   while (((*line) != (char)0) && ((*line) == '\n'))
     525            0 :     line++;
     526            0 :   return line;
     527              : }
     528              : 
     529              : /* traceLine display the source line providing -fdebug-trace-line was
     530              :    enabled.  */
     531              : 
     532              : static
     533              : void
     534     65921892 : traceLine (void)
     535              : {
     536     65921892 :   if (M2Options_GetDebugTraceLine ())
     537              :     {
     538            0 :       char *line = skipnewline (currentLine->linebuf);
     539            0 :       if (filename == NULL)
     540            0 :         printf("<stdin>:%d:%s\n", currentLine->lineno, line);
     541              :       else
     542            0 :         printf("%s:%d:%s\n", filename, currentLine->lineno, line);
     543              :     }
     544     65921892 : }
     545              : 
     546              : /*
     547              :  *  consumeLine - reads a line into a buffer, it then pushes back the whole
     548              :  *                line except the initial \n.
     549              :  */
     550              : 
     551     65921892 : static void consumeLine (void)
     552              : {
     553     65921892 :   if (currentLine->linelen<yyleng) {
     554       280062 :     currentLine->linebuf = (char *)xrealloc (currentLine->linebuf, yyleng);
     555       280062 :     currentLine->linelen = yyleng;
     556              :   }
     557     65921892 :   strcpy(currentLine->linebuf, yytext+1);  /* copy all except the initial \n */
     558     65921892 :   lineno++;
     559     65921892 :   totalLines++;
     560     65921892 :   currentLine->lineno = lineno;
     561     65921892 :   currentLine->tokenpos=0;
     562     65921892 :   currentLine->nextpos=0;
     563     65921892 :   currentLine->column=FIRST_COLUMN;
     564     65921892 :   START_LINE (lineno, yyleng);
     565     65921892 :   yyless(1);                  /* push back all but the \n */
     566     65921892 :   traceLine ();
     567     65921892 : }
     568              : 
     569            0 : static void assert_location (location_t location ATTRIBUTE_UNUSED)
     570              : {
     571              : #if 0
     572              :   if ((location != BUILTINS_LOCATION) && (location != UNKNOWN_LOCATION) && (! M2Options_GetCpp ())) {
     573              :      expanded_location xl = expand_location (location);
     574              :      if (xl.line != currentLine->lineno) {
     575              :        m2flex_M2Error ("mismatched gcc location and front end token number");
     576              :      }
     577              :   }
     578              : #endif
     579            0 : }
     580              : 
     581              : /*
     582              :  *  splitSlashStar - called if we are not tokenizing source code after it
     583              :  *                   has been preprocessed by cpp.  It is only called
     584              :  *                   if the current token was a / immediately followed by * and
     585              :  *                   therefore it will be split into two m2 tokens:  / and *.
     586              :  */
     587              : 
     588            0 : static void splitSlashStar (void)
     589              : {
     590            0 :   seenFunctionStart    = false;
     591            0 :   seenEnd              = false;
     592            0 :   seenModuleStart      = false;
     593            0 :   currentLine->nextpos = currentLine->tokenpos+1;  /* "/".  */
     594            0 :   currentLine->toklen  = 1;
     595            0 :   currentLine->column = currentLine->tokenpos+1;
     596            0 :   currentLine->location =
     597            0 :     M2Options_OverrideLocation (GET_LOCATION (currentLine->column,
     598              :                                               currentLine->column+currentLine->toklen-1));
     599            0 :   assert_location (GET_LOCATION (currentLine->column,
     600              :                                  currentLine->column+currentLine->toklen-1));
     601            0 :   M2LexBuf_AddTok (M2Reserved_dividetok);
     602            0 :   currentLine->nextpos = currentLine->tokenpos+1;  /* "*".  */
     603            0 :   currentLine->toklen  = 1;
     604            0 :   currentLine->column = currentLine->tokenpos+1;
     605            0 :   currentLine->location =
     606            0 :     M2Options_OverrideLocation (GET_LOCATION (currentLine->column,
     607              :                                               currentLine->column+currentLine->toklen-1));
     608            0 :   assert_location (GET_LOCATION (currentLine->column,
     609              :                                  currentLine->column+currentLine->toklen-1));
     610            0 :   M2LexBuf_AddTok (M2Reserved_timestok);
     611            0 : }
     612              : 
     613              : 
     614              : /*
     615              :  *  updatepos - updates the current token position.
     616              :  *              Should be used when a rule matches a token.
     617              :  */
     618              : 
     619    939111814 : static void updatepos (void)
     620              : {
     621    939111814 :   seenFunctionStart    = false;
     622    939111814 :   seenEnd              = false;
     623    939111814 :   seenModuleStart      = false;
     624    939111814 :   currentLine->nextpos = currentLine->tokenpos+yyleng;
     625    939111814 :   currentLine->toklen  = yyleng;
     626    939111814 :   currentLine->column = currentLine->tokenpos+1;
     627   2817335442 :   currentLine->location =
     628    939111814 :     M2Options_OverrideLocation (GET_LOCATION (currentLine->column,
     629              :                                               currentLine->column+currentLine->toklen-1));
     630    939111814 :   assert_location (GET_LOCATION (currentLine->column,
     631              :                                  currentLine->column+currentLine->toklen-1));
     632    939111814 : }
     633              : 
     634              : /*
     635              :  *  checkFunction - checks to see whether we have seen the start
     636              :  *                  or end of a function.
     637              :  */
     638              : 
     639     70426656 : static void checkFunction (void)
     640              : {
     641     70426656 :   if (! isDefinitionModule) {
     642     48127414 :     if (seenModuleStart)
     643        98198 :       pushFunction(yytext, 1);
     644     48127414 :     if (seenFunctionStart)
     645      1446743 :       pushFunction(yytext, 0);
     646     48127414 :     if (seenEnd && currentFunction != NULL &&
     647      1970872 :         (strcmp(currentFunction->name, yytext) == 0))
     648      1529822 :       popFunction();
     649              :   }
     650     70426656 :   seenFunctionStart = false;
     651     70426656 :   seenEnd           = false;
     652     70426656 :   seenModuleStart   = false;
     653     70426656 : }
     654              : 
     655              : /*
     656              :  *  skippos - skips over this token. This function should be called
     657              :  *            if we are not returning and thus not calling getToken.
     658              :  */
     659              : 
     660    746521818 : static void skippos (void)
     661              : {
     662      8795216 :   currentLine->tokenpos = currentLine->nextpos;
     663    737711675 : }
     664              : 
     665              : /*
     666              :  *  initLine - initializes a currentLine
     667              :  */
     668              : 
     669        14951 : static void initLine (void)
     670              : {
     671        14951 :   currentLine = (struct lineInfo *)xmalloc (sizeof(struct lineInfo));
     672              : 
     673        14951 :   if (currentLine == NULL)
     674              :     perror("xmalloc");
     675        14951 :   currentLine->linebuf    = NULL;
     676        14951 :   currentLine->linelen    = 0;
     677        14951 :   currentLine->tokenpos   = 0;
     678        14951 :   currentLine->toklen     = 0;
     679        14951 :   currentLine->nextpos    = 0;
     680        14951 :   currentLine->lineno = lineno;
     681        14951 :   currentLine->column     = FIRST_COLUMN;
     682        14951 :   currentLine->inuse      = true;
     683        14951 :   currentLine->next       = NULL;
     684        14951 : }
     685              : 
     686              : /*
     687              :  *  pushLine - pushes a new line structure.
     688              :  */
     689              : 
     690      4485587 : static void pushLine (void)
     691              : {
     692      4485587 :   if (currentLine == NULL)
     693        14951 :     initLine();
     694      4470636 :   else if (currentLine->inuse) {
     695       146068 :       struct lineInfo *l = (struct lineInfo *)xmalloc (sizeof(struct lineInfo));
     696              : 
     697       146068 :       if (currentLine->linebuf == NULL) {
     698        14408 :         l->linebuf  = NULL;
     699        14408 :         l->linelen  = 0;
     700              :       } else {
     701       131660 :         l->linebuf    = (char *)xstrdup (currentLine->linebuf);
     702       131660 :         l->linelen    = strlen (l->linebuf)+1;
     703              :       }
     704       146068 :       l->tokenpos   = currentLine->tokenpos;
     705       146068 :       l->toklen     = currentLine->toklen;
     706       146068 :       l->nextpos    = currentLine->nextpos;
     707       146068 :       l->lineno = currentLine->lineno;
     708       146068 :       l->column     = currentLine->column;
     709       146068 :       l->next       = currentLine;
     710       146068 :       currentLine   = l;
     711              :   }
     712      4485587 :   currentLine->inuse = true;
     713      4485587 : }
     714              : 
     715              : /*
     716              :  *  popLine - pops a line structure.
     717              :  */
     718              : 
     719       131129 : static void popLine (void)
     720              : {
     721       131129 :   if (currentLine != NULL) {
     722       131129 :     struct lineInfo *l = currentLine;
     723              : 
     724       131129 :     if (currentLine->linebuf != NULL)
     725       131129 :       free(currentLine->linebuf);
     726       131129 :     currentLine = l->next;
     727       131129 :     free(l);
     728              :   }
     729       131129 : }
     730              : 
     731              : /*
     732              :  *  resetpos - resets the position of the next token to the start of the line.
     733              :  */
     734              : 
     735       259866 : static void resetpos (void)
     736              : {
     737            6 :   if (currentLine != NULL)
     738       259866 :     currentLine->nextpos = 0;
     739            0 : }
     740              : 
     741              : /*
     742              :  *  finishedLine - indicates that the current line does not need to be
     743              :  *                 preserved when a pushLine occurs.
     744              :  */
     745              : 
     746      4339507 : static void finishedLine (void)
     747              : {
     748        14927 :   currentLine->inuse = false;
     749      4324580 : }
     750              : 
     751              : /*
     752              :  *  m2flex_GetToken - returns a new token.
     753              :  */
     754              : 
     755    192217149 : EXTERN char *m2flex_GetToken (void)
     756              : {
     757    192217149 :   TIMEVAR_PUSH_LEX;
     758    192217149 :   if (currentLine == NULL)
     759            0 :     initLine();
     760    192217149 :   currentLine->tokenpos = currentLine->nextpos;
     761    192217149 :   yylex();
     762    192217149 :   TIMEVAR_POP_LEX;
     763    192217149 :   return yytext;
     764              : }
     765              : 
     766              : /*
     767              :  *  CloseSource - provided for semantic sugar
     768              :  */
     769              : 
     770            0 : EXTERN void m2flex_CloseSource (void)
     771              : {
     772            0 :   END_FILE ();
     773            0 : }
     774              : 
     775              : /*
     776              :  *  OpenSource - returns true if file s can be opened and
     777              :  *               all tokens are taken from this file.
     778              :  */
     779              : 
     780       259861 : EXTERN bool m2flex_OpenSource (char *s)
     781              : {
     782       259861 :   FILE *f = fopen(s, "r");
     783              : 
     784       259861 :   if (f == NULL)
     785              :     return( false );
     786              :   else {
     787       259860 :     isDefinitionModule = false;
     788       350241 :     while (currentFunction != NULL)
     789              :       {
     790        90381 :         struct functionInfo *f = currentFunction;
     791        90381 :         currentFunction = f->next;
     792        90381 :         if (f->name != NULL)
     793        90381 :           free(f->name);
     794        90381 :         free(f);
     795              :       }
     796       259860 :     yy_delete_buffer (YY_CURRENT_BUFFER);
     797       259860 :     yy_switch_to_buffer (yy_create_buffer(f, YY_BUF_SIZE));
     798       259860 :     filename = xstrdup (s);
     799       259860 :     lineno = 1;
     800       259860 :     if (currentLine == NULL)
     801        14951 :       pushLine ();
     802              :     else
     803       244909 :       currentLine->lineno = lineno;
     804       259860 :     START_FILE (filename, lineno);
     805       259860 :     BEGIN INITIAL; resetpos ();
     806       259860 :     return true;
     807              :   }
     808              : }
     809              : 
     810              : /*
     811              :  *  m2flex_GetLineNo - returns the current line number.
     812              :  */
     813              : 
     814    192509293 : EXTERN int m2flex_GetLineNo (void)
     815              : {
     816    192509293 :   if (currentLine == NULL)
     817              :     return 0;
     818              :   else
     819    192509293 :     return currentLine->lineno;
     820              : }
     821              : 
     822              : /*
     823              :  *  m2flex_GetColumnNo - returns the column where the current
     824              :  *                       token starts.
     825              :  */
     826              : 
     827    192563901 : EXTERN int m2flex_GetColumnNo (void)
     828              : {
     829    192563901 :   if (currentLine == NULL)
     830              :     return FIRST_COLUMN;
     831              :   else
     832    192563901 :     return currentLine->column;
     833              : }
     834              : 
     835              : /*
     836              :  *  m2flex_GetLocation - returns the gcc location_t of the current token.
     837              :  */
     838              : 
     839    192217149 : EXTERN location_t m2flex_GetLocation (void)
     840              : {
     841    192217149 :   if (currentLine == NULL)
     842              :     return 0;
     843              :   else
     844    192217149 :     return currentLine->location;
     845              : }
     846              : 
     847              : /*
     848              :  *  GetTotalLines - returns the total number of lines parsed.
     849              :  */
     850              : 
     851            0 : EXTERN int m2flex_GetTotalLines (void)
     852              : {
     853            0 :   return totalLines;
     854              : }
     855              : 
     856              : /*
     857              :  *  yywrap is called when end of file is seen. We push an eof token
     858              :  *         and tell the lexical analysis to stop.
     859              :  */
     860              : 
     861       244915 : int yywrap (void)
     862              : {
     863       244915 :   updatepos(); M2LexBuf_AddTok(M2Reserved_eoftok); return 1;
     864              : }
     865              : 
     866            0 : EXTERN void _M2_m2flex_init (void) {}
     867            0 : EXTERN void _M2_m2flex_fini (void) {}
        

Generated by: LCOV version 2.4-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.