gcc/testsuite/jit.dg/test-error-param-used-without-a-function.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3
   4 #include "libgccjit.h"
   5
   6 #include "harness.h"
   7
   8 void
   9 create_code (gcc_jit_context *ctxt, void *user_data)
  10 {
  11   /* Let's try to inject the equivalent of:
  12
  13      int
  14      test_fn ()
  15      {
  16        return i;
  17      }
  18
  19      where "i" is a param that isn't associated with any function,
  20      and verify that the API complains.  */
  21
  22   gcc_jit_type *int_type =
  23     gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
  24
  25   gcc_jit_param *param =
  26     gcc_jit_context_new_param (ctxt, NULL, int_type, "i");
  27
  28   gcc_jit_function *test_fn =
  29     gcc_jit_context_new_function (ctxt, NULL,
  30                                   GCC_JIT_FUNCTION_EXPORTED,
  31                                   int_type,
  32                                   "test_fn",
  33                                   0, NULL,
  34                                   0);
  35
  36   gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);
  37   /* "return i;", using param i from the wrong function.  */
  38   gcc_jit_block_end_with_return (block,
  39                                  NULL,
  40                                  gcc_jit_param_as_rvalue (param));
  41 }
  42
  43 void
  44 verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
  45 {
  46   CHECK_VALUE (result, NULL);
  47
  48   /* Verify that the correct error message was emitted.  */
  49   CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
  50                       ("gcc_jit_block_end_with_return:"
  51                        " param i (type: int)"
  52                        " was used within function test_fn"
  53                        " (in statement: return i;)"
  54                        " but is not associated with any function"))
  55 }
  56