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instruduce C2x _Static_assert syntaxe

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This commit is contained in:
matthias 2020-02-29 01:55:11 +01:00
parent cb041f11f6
commit 704b602184
3 changed files with 25 additions and 9 deletions
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9
tccgen.c
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@ -7818,12 +7818,21 @@ static int decl0(int l, int is_for_loop_init, Sym *func_sym)
next(); next();
skip('('); skip('(');
c = expr_const(); c = expr_const();
if (tok == ')') {
if (!c)
tcc_error("_Static_assert fail");
next();
goto static_assert_out;
}
skip(','); skip(',');
parse_mult_str(&error_str, "string constant"); parse_mult_str(&error_str, "string constant");
if (c == 0) if (c == 0)
tcc_error("%s", error_str.data); tcc_error("%s", error_str.data);
cstr_free(&error_str); cstr_free(&error_str);
skip(')'); skip(')');
static_assert_out:
skip(';'); skip(';');
continue; continue;
} }

4
tests/tests2/60_errors_and_warnings.c
View File

@ -190,6 +190,10 @@ void * _Alignas(16) p1;
_Static_assert(1, "1"" is 1"); _Static_assert(1, "1"" is 1");
_Static_assert(0, "0"" is 0"); _Static_assert(0, "0"" is 0");
#elif defined test_static_assert_c2x
_Static_assert(1);
_Static_assert(0);
#elif defined test_void_array #elif defined test_void_array
void t[3]; void t[3];

21
tests/tests2/60_errors_and_warnings.expect
View File

@ -94,22 +94,25 @@
[test_static_assert_2] [test_static_assert_2]
60_errors_and_warnings.c:191: error: 0 is 0 60_errors_and_warnings.c:191: error: 0 is 0
[test_static_assert_c2x]
60_errors_and_warnings.c:195: error: _Static_assert fail
[test_void_array] [test_void_array]
60_errors_and_warnings.c:194: error: declaration of an array of incomplete type elements 60_errors_and_warnings.c:198: error: declaration of an array of incomplete type elements
[test_incomplete_enum_array] [test_incomplete_enum_array]
60_errors_and_warnings.c:197: error: declaration of an array of incomplete type elements 60_errors_and_warnings.c:201: error: declaration of an array of incomplete type elements
[test_incomplete_struct_array] [test_incomplete_struct_array]
60_errors_and_warnings.c:200: error: declaration of an array of incomplete type elements 60_errors_and_warnings.c:204: error: declaration of an array of incomplete type elements
[test_const_fun_array] [test_const_fun_array]
60_errors_and_warnings.c:204: error: declaration of an array of functions 60_errors_and_warnings.c:208: error: declaration of an array of functions
[test_incomplete_array_array] [test_incomplete_array_array]
[test_extern_array] [test_extern_array]
60_errors_and_warnings.c:220: error: incompatible types for redefinition of 'x' 60_errors_and_warnings.c:224: error: incompatible types for redefinition of 'x'
[test_func_1] [test_func_1]
hello: a = 123 hello: a = 123
@ -118,17 +121,17 @@ hello: a = 123
hello: a = 123 hello: a = 123
[test_func_3] [test_func_3]
60_errors_and_warnings.c:250: warning: static storage ignored for redefinition of 'hello' 60_errors_and_warnings.c:254: warning: static storage ignored for redefinition of 'hello'
hello: a = 123 hello: a = 123
[test_func_4] [test_func_4]
hello: a = 123 hello: a = 123
[test_func_5] [test_func_5]
60_errors_and_warnings.c:250: error: incompatible types for redefinition of 'hello' 60_errors_and_warnings.c:254: error: incompatible types for redefinition of 'hello'
[test_func_6] [test_func_6]
60_errors_and_warnings.c:238: error: function without file scope cannot be static 60_errors_and_warnings.c:242: error: function without file scope cannot be static
[test_var_1] [test_var_1]
main : 1 ; 1 main : 1 ; 1
@ -141,6 +144,6 @@ main : 2 ; 2
bar : 3 ; 3 bar : 3 ; 3
[test_var_3] [test_var_3]
60_errors_and_warnings.c:282: error: incompatible types for redefinition of 'xxx' 60_errors_and_warnings.c:286: error: incompatible types for redefinition of 'xxx'
[test_var_4] [test_var_4]