diff options
Diffstat (limited to 'include/mruby.h')
| -rw-r--r-- | include/mruby.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/mruby.h b/include/mruby.h index 3c8f33b2b..b77196310 100644 --- a/include/mruby.h +++ b/include/mruby.h @@ -231,13 +231,21 @@ struct RClass * mrb_define_module_under(mrb_state *mrb, struct RClass *outer, co int mrb_get_args(mrb_state *mrb, const char *format, ...); +/* `strlen` for character string literals (use with caution or `strlen` instead) + Adjacent string literals are concatenated in C/C++ in translation phase 6. + If `lit` is not one, the compiler will report a syntax error: + MSVC: "error C2143: syntax error : missing ')' before 'string'" + GCC: "error: expected ')' before string constant" +*/ +#define mrb_strlen_lit(lit) (sizeof(lit "") - 1) + mrb_value mrb_funcall(mrb_state*, mrb_value, const char*, int,...); mrb_value mrb_funcall_argv(mrb_state*, mrb_value, mrb_sym, int, mrb_value*); mrb_value mrb_funcall_with_block(mrb_state*, mrb_value, mrb_sym, int, mrb_value*, mrb_value); mrb_sym mrb_intern_cstr(mrb_state*,const char*); mrb_sym mrb_intern(mrb_state*,const char*,size_t); mrb_sym mrb_intern_static(mrb_state*,const char*,size_t); -#define mrb_intern_lit(mrb, lit) mrb_intern_static(mrb, (lit), sizeof(lit) - 1) +#define mrb_intern_lit(mrb, lit) mrb_intern_static(mrb, lit, mrb_strlen_lit(lit)) mrb_sym mrb_intern_str(mrb_state*,mrb_value); mrb_value mrb_check_intern_cstr(mrb_state*,const char*); mrb_value mrb_check_intern(mrb_state*,const char*,size_t); @@ -257,7 +265,7 @@ void mrb_free(mrb_state*, void*); mrb_value mrb_str_new(mrb_state *mrb, const char *p, size_t len); mrb_value mrb_str_new_cstr(mrb_state*, const char*); mrb_value mrb_str_new_static(mrb_state *mrb, const char *p, size_t len); -#define mrb_str_new_lit(mrb, lit) mrb_str_new_static(mrb, (lit), sizeof(lit) - 1) +#define mrb_str_new_lit(mrb, lit) mrb_str_new_static(mrb, (lit), mrb_strlen_lit(lit)) mrb_state* mrb_open(void); mrb_state* mrb_open_allocf(mrb_allocf, void *ud); |