test/cedet/tests/test.c

   1 /* test.c --- Semantic unit test for C.
   2
   3    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
   4    2010, 2011 Free Software Foundation, Inc.
   5
   6    Author: Eric M. Ludlam <eric@siege-engine.com>
   7
   8    This file is part of GNU Emacs.
   9
  10    GNU Emacs is free software: you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation, either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    GNU Emacs is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 /* Attempt to include as many aspects of the C language as possible.
  25  */
  26
  27 /* types of include files */
  28 #include "includeme1.h"
  29 #include <includeme2.h>
  30 #include <subdir/includeme3.h>
  31 #include <includeme.notanhfile>
  32 #include <stdlib.h>
  33 #include <cmath>
  34
  35 #if 0
  36 int dont_show_function()
  37 {
  38 }
  39 #endif
  40
  41 /* Global types */
  42 struct mystruct1 {
  43   int slot11;
  44   char slot12;
  45   float slot13;
  46 };
  47
  48 struct mystruct2 {
  49   int slot21;
  50   char slot22;
  51   float slot23;
  52 } var_of_type_mystruct2;
  53
  54 struct {
  55   int slot31;
  56   char slot32;
  57   float slot33;
  58 } var_of_anonymous_struct;
  59
  60 typedef struct mystruct1 typedef_of_mystruct1;
  61 typedef struct mystruct1 *typedef_of_pointer_mystruct1;
  62 typedef struct { int slot_a; } typedef_of_anonymous_struct;
  63 typedef struct A {
  64 } B;
  65
  66 typedef struct mystruct1 td1, td2;
  67
  68 union myunion1 {
  69   int slot41;
  70   char slot42;
  71   float slot43;
  72 };
  73
  74 union myunion2 {
  75   int slot51;
  76   char slot52;
  77   float slot53;
  78 } var_of_type_myunion2;
  79
  80 struct {
  81   int slot61;
  82   char slot72;
  83   float slot83;
  84 } var_of_anonymous_union;
  85
  86 typedef union myunion1 typedef_of_myunion1;
  87 typedef union myunion1 *typedef_of_pointer_myunion1;
  88 typedef union { int slot_a; } typedef_of_anonymous_union;
  89
  90 enum myenum1 { enum11 = 1, enum12 };
  91 enum myenum2 { enum21, enum22 = 2 } var_of_type_myenum2;
  92 enum { enum31, enum32 } var_of_anonymous_enum;
  93
  94 typedef enum myenum1 typedef_of_myenum1;
  95 typedef enum myenum1 *typedef_of_pointer_myenum1;
  96 typedef enum { enum_a = 3, enum_b } typedef_of_anonymous_enum;
  97
  98 typedef int typedef_of_int;
  99
 100 /* Here are some simpler variable types */
 101 int var1;
 102 int varbit1:1;
 103 char var2;
 104 float var3;
 105 mystruct1 var3;
 106 struct mystruct1 var4;
 107 union myunion1 var5;
 108 enum myenum1 var6;
 109
 110 char *varp1;
 111 char **varp2;
 112 char varv1[1];
 113 char varv2[1][2];
 114
 115 char *varpa1 = "moose";
 116 struct mystruct2 vara2 = { 1, 'a', 0.0 };
 117 enum myenum1 vara3 = enum11;
 118 int vara4 = (int)0.0;
 119 int vara5 = funcall();
 120
 121 int mvar1, mvar2, mvar3;
 122 char *mvarp1, *mvarp2, *mvarp3;
 123 char *mvarpa1 = 'a', *mvarpa2 = 'b', *mvarpa3 = 'c';
 124 char mvaras1[10], mvaras2[12][13], *mvaras3 = 'd';
 125
 126 static register const unsigned int tmvar1;
 127
 128 #define MACRO1 1
 129 #define MACRO2(foo) (1+foo)
 130
 131 /* Here are some function prototypes */
 132
 133 /* This is legal, but I decided not to support inferred integer
 134  * types on functions and variables.
 135  */
 136 fun0();
 137 int funp1();
 138 char funp2(int arg11);
 139 float funp3(char arg21, char arg22);
 140 struct mystrct1 funp4(struct mystruct2 arg31, union myunion2 arg32);
 141 enum myenum1 funp5(char *arg41, union myunion1 *arg42);
 142
 143 char funpp1 __P(char argp1, struct mystruct2 argp2, char *arg4p);
 144
 145 int fun1();
 146
 147 /* Here is a function pointer */
 148 int (*funcptr)(int a, int b);
 149
 150 /* Function Definitions */
 151
 152 /* This is legal, but I decided not to support inferred integer
 153  * types on functions and variables.
 154  */
 155 fun0()
 156 {
 157   int sv = 0;
 158 }
 159
 160 int fun1 ()
 161 {
 162   int sv = 1;
 163 }
 164
 165 int fun1p1 (void)
 166 {
 167   int sv = 1;
 168 }
 169
 170 char fun2(int arg_11)
 171 {
 172   char sv = 2;
 173 }
 174
 175 float fun3(char arg_21, char arg_22)
 176 {
 177   char sv = 3;
 178 }
 179
 180 struct mystrct1 fun4(struct mystruct2 arg31, union myunion2 arg32)
 181 {
 182   sv = 4;
 183 }
 184
 185 enum myenum1 fun5(char *arg41, union myunion1 *arg42)
 186 {
 187   sv = 5;
 188 }
 189
 190 /* Functions with K&R syntax. */
 191 struct mystrct1 funk1(arg_31, arg_32)
 192      struct mystruct2 arg_31;
 193      union myunion2 arg32;
 194 {
 195   sv = 4;
 196 }
 197
 198 enum myenum1 *funk2(arg_41, arg_42)
 199      char *arg_41;
 200      union myunion1 *arg_42;
 201 {
 202   sv = 5;
 203
 204   if(foo) {
 205   }
 206 }
 207
 208 int funk3(arg_51, arg_53)
 209      int arg_51;
 210      char arg_53;
 211 {
 212   char q = 'a';
 213   int sv = 6;
 214   td1 ms1;
 215   enum myenum1 testconst;
 216
 217   /* Function argument analysis */
 218   funk3(ms1.slot11, arg_53 );
 219   sv = 7;
 220
 221   /* Slot deref on assignee */
 222   ms1.slot11 = s;
 223
 224   /* Enum/const completion */
 225   testconst = e;
 226
 227   /* Bad var/slot and param */
 228   blah.notafunction(moose);
 229
 230   /* Print something. */
 231   printf("Moose", );
 232
 233   tan();
 234 }
 235
 236 int funk4_fixme(arg_61, arg_62)
 237      int arg_61, arg_62;
 238 {
 239
 240 }
 241
 242 /* End of C tests */
 243