test/cedet/tests/test.c

   1 /* test.c --- Semantic unit test for C.
   2
   3    Copyright (C) 2001-2014 Free Software Foundation, Inc.
   4
   5    Author: Eric M. Ludlam <eric@siege-engine.com>
   6
   7    This file is part of GNU Emacs.
   8
   9    GNU Emacs 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 of the License, or
  12    (at your option) any later version.
  13
  14    GNU Emacs is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 /* Attempt to include as many aspects of the C language as possible.
  24  */
  25
  26 /* types of include files */
  27 #include "includeme1.h"
  28 #include <includeme2.h>
  29 #include <subdir/includeme3.h>
  30 #include <includeme.notanhfile>
  31 #include <stdlib.h>
  32 #include <cmath>
  33
  34 #if 0
  35 int dont_show_function()
  36 {
  37 }
  38 #endif
  39
  40 /* Global types */
  41 struct mystruct1 {
  42   int slot11;
  43   char slot12;
  44   float slot13;
  45 };
  46
  47 struct mystruct2 {
  48   int slot21;
  49   char slot22;
  50   float slot23;
  51 } var_of_type_mystruct2;
  52
  53 struct {
  54   int slot31;
  55   char slot32;
  56   float slot33;
  57 } var_of_anonymous_struct;
  58
  59 typedef struct mystruct1 typedef_of_mystruct1;
  60 typedef struct mystruct1 *typedef_of_pointer_mystruct1;
  61 typedef struct { int slot_a; } typedef_of_anonymous_struct;
  62 typedef struct A {
  63 } B;
  64
  65 typedef struct mystruct1 td1, td2;
  66
  67 union myunion1 {
  68   int slot41;
  69   char slot42;
  70   float slot43;
  71 };
  72
  73 union myunion2 {
  74   int slot51;
  75   char slot52;
  76   float slot53;
  77 } var_of_type_myunion2;
  78
  79 struct {
  80   int slot61;
  81   char slot72;
  82   float slot83;
  83 } var_of_anonymous_union;
  84
  85 typedef union myunion1 typedef_of_myunion1;
  86 typedef union myunion1 *typedef_of_pointer_myunion1;
  87 typedef union { int slot_a; } typedef_of_anonymous_union;
  88
  89 enum myenum1 { enum11 = 1, enum12 };
  90 enum myenum2 { enum21, enum22 = 2 } var_of_type_myenum2;
  91 enum { enum31, enum32 } var_of_anonymous_enum;
  92
  93 typedef enum myenum1 typedef_of_myenum1;
  94 typedef enum myenum1 *typedef_of_pointer_myenum1;
  95 typedef enum { enum_a = 3, enum_b } typedef_of_anonymous_enum;
  96
  97 typedef int typedef_of_int;
  98
  99 /* Here are some simpler variable types */
 100 int var1;
 101 int varbit1:1;
 102 char var2;
 103 float var3;
 104 mystruct1 var3;
 105 struct mystruct1 var4;
 106 union myunion1 var5;
 107 enum myenum1 var6;
 108
 109 char *varp1;
 110 char **varp2;
 111 char varv1[1];
 112 char varv2[1][2];
 113
 114 char *varpa1 = "moose";
 115 struct mystruct2 vara2 = { 1, 'a', 0.0 };
 116 enum myenum1 vara3 = enum11;
 117 int vara4 = (int)0.0;
 118 int vara5 = funcall();
 119
 120 int mvar1, mvar2, mvar3;
 121 char *mvarp1, *mvarp2, *mvarp3;
 122 char *mvarpa1 = 'a', *mvarpa2 = 'b', *mvarpa3 = 'c';
 123 char mvaras1[10], mvaras2[12][13], *mvaras3 = 'd';
 124
 125 static register const unsigned int tmvar1;
 126
 127 #define MACRO1 1
 128 #define MACRO2(foo) (1+foo)
 129
 130 /* Here are some function prototypes */
 131
 132 /* This is legal, but I decided not to support inferred integer
 133  * types on functions and variables.
 134  */
 135 fun0();
 136 int funp1();
 137 char funp2(int arg11);
 138 float funp3(char arg21, char arg22);
 139 struct mystrct1 funp4(struct mystruct2 arg31, union myunion2 arg32);
 140 enum myenum1 funp5(char *arg41, union myunion1 *arg42);
 141
 142 char funpp1 __P(char argp1, struct mystruct2 argp2, char *arg4p);
 143
 144 int fun1();
 145
 146 /* Here is a function pointer */
 147 int (*funcptr)(int a, int b);
 148
 149 /* Function Definitions */
 150
 151 /* This is legal, but I decided not to support inferred integer
 152  * types on functions and variables.
 153  */
 154 fun0()
 155 {
 156   int sv = 0;
 157 }
 158
 159 int fun1 ()
 160 {
 161   int sv = 1;
 162 }
 163
 164 int fun1p1 (void)
 165 {
 166   int sv = 1;
 167 }
 168
 169 char fun2(int arg_11)
 170 {
 171   char sv = 2;
 172 }
 173
 174 float fun3(char arg_21, char arg_22)
 175 {
 176   char sv = 3;
 177 }
 178
 179 struct mystrct1 fun4(struct mystruct2 arg31, union myunion2 arg32)
 180 {
 181   sv = 4;
 182 }
 183
 184 enum myenum1 fun5(char *arg41, union myunion1 *arg42)
 185 {
 186   sv = 5;
 187 }
 188
 189 /* Functions with K&R syntax. */
 190 struct mystrct1 funk1(arg_31, arg_32)
 191      struct mystruct2 arg_31;
 192      union myunion2 arg32;
 193 {
 194   sv = 4;
 195 }
 196
 197 enum myenum1 *funk2(arg_41, arg_42)
 198      char *arg_41;
 199      union myunion1 *arg_42;
 200 {
 201   sv = 5;
 202
 203   if(foo) {
 204   }
 205 }
 206
 207 int funk3(arg_51, arg_53)
 208      int arg_51;
 209      char arg_53;
 210 {
 211   char q = 'a';
 212   int sv = 6;
 213   td1 ms1;
 214   enum myenum1 testconst;
 215
 216   /* Function argument analysis */
 217   funk3(ms1.slot11, arg_53 );
 218   sv = 7;
 219
 220   /* Slot deref on assignee */
 221   ms1.slot11 = s;
 222
 223   /* Enum/const completion */
 224   testconst = e;
 225
 226   /* Bad var/slot and param */
 227   blah.notafunction(moose);
 228
 229   /* Print something. */
 230   printf("Moose", );
 231
 232   tan();
 233 }
 234
 235 int funk4_fixme(arg_61, arg_62)
 236      int arg_61, arg_62;
 237 {
 238
 239 }
 240
 241 /* End of C tests */
 242