Viewing file:  test-error-bad-assignment.c (2.61 KB) -rw-r--r--
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#include <stdlib.h>
#include <stdio.h>
#include "libgccjit.h"
#include "harness.h"
void
create_code (gcc_jit_context *ctxt, void *user_data)
{
/* Let's try to inject the equivalent of:
void
test_fn ()
{
long integer;
volatile const void *variable;
variable = &integer;
long aligned_integer __attribute__((aligned(4)));
variable = &aligned_integer;
}
and verify that the API complains about the mismatching types
in the assignments.
*/
gcc_jit_type *void_type =
gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
gcc_jit_type *long_type =
gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_LONG);
gcc_jit_type *const_void_type =
gcc_jit_type_get_const (void_type);
gcc_jit_type *volatile_void_ptr =
gcc_jit_type_get_pointer (gcc_jit_type_get_volatile (const_void_type));
gcc_jit_function *func =
gcc_jit_context_new_function (ctxt, NULL,
GCC_JIT_FUNCTION_EXPORTED,
void_type,
"test_fn",
0, NULL,
0);
gcc_jit_lvalue *integer = gcc_jit_function_new_local (func, NULL, long_type, "integer");
gcc_jit_rvalue *address = gcc_jit_lvalue_get_address(integer, NULL);
gcc_jit_lvalue *variable = gcc_jit_function_new_local (func, NULL, volatile_void_ptr, "variable");
gcc_jit_block *initial =
gcc_jit_function_new_block (func, "initial");
gcc_jit_block_add_assignment(initial, NULL, variable, address);
gcc_jit_type *aligned_long_type = gcc_jit_type_get_aligned (long_type, 4);
gcc_jit_lvalue *aligned_integer = gcc_jit_function_new_local (func, NULL, aligned_long_type, "aligned_integer");
gcc_jit_rvalue *aligned_address = gcc_jit_lvalue_get_address(aligned_integer, NULL);
gcc_jit_block_add_assignment(initial, NULL, variable, aligned_address);
gcc_jit_block_end_with_void_return (initial, NULL);
}
void
verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
{
CHECK_VALUE (result, NULL);
/* Verify that the correct error messages were emitted. */
CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
"gcc_jit_block_add_assignment:"
" mismatching types:"
" assignment to variable (type: volatile const void *)"
" from &integer (type: long *)");
CHECK_STRING_VALUE (gcc_jit_context_get_last_error (ctxt),
"gcc_jit_block_add_assignment:"
" mismatching types:"
" assignment to variable (type: volatile const void *)"
" from &aligned_integer (type: long __attribute__((aligned(4))) *)");
}
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