git.ozlabs.org Git - ccan/blob - tools/ccanlint/tests/tests_compile.c

   1 #include <tools/ccanlint/ccanlint.h>
   2 #include <tools/tools.h>
   3 #include <ccan/talloc/talloc.h>
   4 #include <ccan/str/str.h>
   5 #include <ccan/foreach/foreach.h>
   6 #include <sys/types.h>
   7 #include <sys/stat.h>
   8 #include <fcntl.h>
   9 #include <unistd.h>
  10 #include <limits.h>
  11 #include <errno.h>
  12 #include <stdlib.h>
  13 #include <stdio.h>
  14 #include <err.h>
  15 #include <string.h>
  16 #include <ctype.h>
  17 #include "reduce_features.h"
  18
  19 static const char *can_build(struct manifest *m)
  20 {
  21         if (safe_mode)
  22                 return "Safe mode enabled";
  23         return NULL;
  24 }
  25
  26 static char *obj_list(const struct manifest *m, bool link_with_module,
  27                       enum compile_type ctype)
  28 {
  29         char *list = talloc_strdup(m, "");
  30         struct ccan_file *i;
  31         struct manifest *subm;
  32
  33         /* Objects from any other C files. */
  34         list_for_each(&m->other_test_c_files, i, list)
  35                 list = talloc_asprintf_append(list, " %s",
  36                                               i->compiled[ctype]);
  37
  38         /* Our own object files. */
  39         if (link_with_module)
  40                 list_for_each(&m->c_files, i, list)
  41                         list = talloc_asprintf_append(list, " %s",
  42                                                       i->compiled[ctype]);
  43
  44         /* Other ccan modules. */
  45         list_for_each(&m->deps, subm, list) {
  46                 if (subm->compiled[ctype])
  47                         list = talloc_asprintf_append(list, " %s",
  48                                                       subm->compiled[ctype]);
  49         }
  50
  51         return list;
  52 }
  53
  54 static char *lib_list(const struct manifest *m, enum compile_type ctype)
  55 {
  56         unsigned int i, num;
  57         char **libs = get_libs(m, m->dir, &num,
  58                                &m->info_file->compiled[ctype]);
  59         char *ret = talloc_strdup(m, "");
  60
  61         for (i = 0; i < num; i++)
  62                 ret = talloc_asprintf_append(ret, "-l%s ", libs[i]);
  63         return ret;
  64 }
  65
  66 static bool compile(const void *ctx,
  67                     struct manifest *m,
  68                     struct ccan_file *file,
  69                     bool fail,
  70                     bool link_with_module,
  71                     bool keep,
  72                     enum compile_type ctype,
  73                     char **output)
  74 {
  75         char *fname, *flags;
  76
  77         flags = talloc_asprintf(ctx, "%s%s%s",
  78                                 fail ? "-DFAIL " : "",
  79                                 cflags,
  80                                 ctype == COMPILE_NOFEAT ? " -I." : "");
  81
  82         fname = maybe_temp_file(ctx, "", keep, file->fullname);
  83         if (!compile_and_link(ctx, file->fullname, ccan_dir,
  84                               obj_list(m, link_with_module, ctype), compiler,
  85                               flags, lib_list(m, ctype), fname, output)) {
  86                 talloc_free(fname);
  87                 return false;
  88         }
  89
  90         file->compiled[ctype] = fname;
  91         return true;
  92 }
  93
  94 static void compile_tests(struct manifest *m, bool keep,
  95                           struct score *score,
  96                           enum compile_type ctype)
  97 {
  98         char *cmdout;
  99         struct ccan_file *i;
 100         struct list_head *list;
 101         bool errors = false, warnings = false;
 102
 103         foreach_ptr(list, &m->compile_ok_tests, &m->run_tests, &m->api_tests) {
 104                 list_for_each(list, i, list) {
 105                         if (!compile(score, m, i, false,
 106                                      list == &m->api_tests, keep,
 107                                      ctype, &cmdout)) {
 108                                 score_file_error(score, i, 0,
 109                                                  "Compile failed:\n%s",
 110                                                  cmdout);
 111                                 errors = true;
 112                         } else if (!streq(cmdout, "")) {
 113                                 score_file_error(score, i, 0,
 114                                                  "Compile gave warnings:\n%s",
 115                                                  cmdout);
 116                                 warnings = true;
 117                         }
 118                 }
 119         }
 120
 121         /* The compile fail tests are a bit weird, handle them separately */
 122         if (errors)
 123                 return;
 124
 125         /* For historical reasons, "fail" often means "gives warnings" */
 126         list_for_each(&m->compile_fail_tests, i, list) {
 127                 if (!compile(score, m, i, false, false, false,
 128                              ctype, &cmdout)) {
 129                         score_file_error(score, i, 0,
 130                                          "Compile without -DFAIL failed:\n%s",
 131                                          cmdout);
 132                         return;
 133                 }
 134                 if (!streq(cmdout, "")) {
 135                         score_file_error(score, i, 0,
 136                                          "Compile gave warnings"
 137                                          " without -DFAIL:\n%s",
 138                                          cmdout);
 139                         return;
 140                 }
 141                 if (compile(score, m, i, true, false, false,
 142                             ctype, &cmdout)
 143                     && streq(cmdout, "")) {
 144                         score_file_error(score, i, 0,
 145                                          "Compiled successfully with -DFAIL?");
 146                         return;
 147                 }
 148                 score->total++;
 149         }
 150
 151         score->pass = true;
 152         score->score = score->total - warnings;
 153 }
 154
 155 static void do_compile_tests(struct manifest *m,
 156                              bool keep,
 157                              unsigned int *timeleft, struct score *score)
 158 {
 159         compile_tests(m, keep, score, COMPILE_NORMAL);
 160 }
 161
 162 struct ccanlint tests_compile = {
 163         .key = "tests_compile",
 164         .name = "Module tests compile",
 165         .check = do_compile_tests,
 166         .can_run = can_build,
 167         .needs = "tests_helpers_compile objects_build"
 168 };
 169
 170 REGISTER_TEST(tests_compile);
 171
 172 static const char *features_reduced(struct manifest *m)
 173 {
 174         if (features_were_reduced)
 175                 return NULL;
 176         return "No features to turn off";
 177 }
 178
 179 static void do_compile_tests_without_features(struct manifest *m,
 180                                               bool keep,
 181                                               unsigned int *timeleft,
 182                                               struct score *score)
 183 {
 184         compile_tests(m, keep, score, COMPILE_NOFEAT);
 185 }
 186
 187 struct ccanlint tests_compile_without_features = {
 188         .key = "tests_compile_without_features",
 189         .name = "Module tests compile (without features)",
 190         .check = do_compile_tests_without_features,
 191         .can_run = features_reduced,
 192         .needs = "tests_helpers_compile_without_features reduce_features"
 193 };
 194 REGISTER_TEST(tests_compile_without_features);