Revert "Add c++ support"

This reverts commit 5762271fd0.

def.tab.cc

@@ -88,19 +88,16 @@
 /* Copy the first part of user declarations.  */
 #line 1 "def.yy"
 
-#include <cstring>
-#include <cstdio>
-#include <cstdlib>
-#include <FlexLexer.h>
-
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
 #define INFILE_ERROR 1
 #define OUTFILE_ERROR 2
 
-extern yyFlexLexer lexer;
-
-void yyerror(const char *s);
-int yylex();
-
+extern int yylex(void);
+extern void yyerror(const char *s);
+extern int yylineno;
+extern FILE *yyin;
 
 
 /* Enabling traces.  */
@@ -123,13 +120,13 @@ int yylex();
 
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
-#line 17 "def.yy"
+#line 14 "def.yy"
 {
     char *text;
     int ival;
 }
 /* Line 193 of yacc.c.  */
-#line 133 "def.tab.cc"
+#line 130 "def.tab.cc"
 	YYSTYPE;
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
@@ -142,7 +139,7 @@ typedef union YYSTYPE
 
 
 /* Line 216 of yacc.c.  */
-#line 146 "def.tab.cc"
+#line 143 "def.tab.cc"
 
 #ifdef short
 # undef short
@@ -429,8 +426,8 @@ static const yytype_int8 yyrhs[] =
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint8 yyrline[] =
 {
-       0,    36,    36,    40,    41,    45,    46,    50,    55,    56,
-      57,    58,    59,    60,    61
+       0,    33,    33,    37,    38,    42,    43,    47,    52,    53,
+      54,    55,    56,    57,    58
 };
 #endif
 
@@ -1344,63 +1341,63 @@ yyreduce:
   switch (yyn)
     {
         case 2:
-#line 36 "def.yy"
+#line 33 "def.yy"
     { printf("koniec\n"); ;}
     break;
 
   case 5:
-#line 45 "def.yy"
+#line 42 "def.yy"
     { printf("Deklaracja zmiennej\n"); ;}
     break;
 
   case 6:
-#line 46 "def.yy"
+#line 43 "def.yy"
     { printf("instrukcja\n"); ;}
     break;
 
   case 7:
-#line 51 "def.yy"
-    { printf("Deklaracja zmiennej: %s\n", (yyvsp[(2) - (7)].text)); free((yyvsp[(2) - (7)].text)); ;}
+#line 48 "def.yy"
+    { printf("Deklaracja zmiennej: %s\n", (yyvsp[(2) - (7)].text)); ;}
     break;
 
   case 8:
-#line 55 "def.yy"
+#line 52 "def.yy"
     { printf("Wyrazenie z +\n"); ;}
     break;
 
   case 9:
-#line 56 "def.yy"
+#line 53 "def.yy"
     { printf("Wyrazenie z -\n"); ;}
     break;
 
   case 10:
-#line 57 "def.yy"
+#line 54 "def.yy"
     { printf("Wyrazenie z *\n"); ;}
     break;
 
   case 11:
-#line 58 "def.yy"
+#line 55 "def.yy"
     { printf("Wyrazenie z /\n"); ;}
     break;
 
   case 12:
-#line 59 "def.yy"
+#line 56 "def.yy"
     { printf("Wyrazenie w nawiasach\n"); ;}
     break;
 
   case 13:
-#line 60 "def.yy"
+#line 57 "def.yy"
     { printf("Literal calkowity: %d\n", (yyvsp[(1) - (1)].ival)); ;}
     break;
 
   case 14:
-#line 61 "def.yy"
-    { printf("Identyfikator: %s\n", (yyvsp[(1) - (1)].text)); free((yyvsp[(1) - (1)].text)); ;}
+#line 58 "def.yy"
+    { printf("Identyfikator: %s\n", (yyvsp[(1) - (1)].text)); ;}
     break;
 
 
 /* Line 1267 of yacc.c.  */
-#line 1404 "def.tab.cc"
+#line 1401 "def.tab.cc"
       default: break;
     }
   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
@@ -1614,19 +1611,9 @@ yyreturn:
 }
 
 
-#line 64 "def.yy"
+#line 61 "def.yy"
 
 
-yyFlexLexer lexer;
-
-int yylex() {
-    return lexer.yylex();
-}
-
-void yyerror(const char *s) {
-    fprintf(stderr, "Blad: %s w linii %d\n", s, lexer.lineno());
-}
-
 int main(int argc, char *argv[]) {
     yyparse();
     return 0;