diplomat_runtime.h (3068B)
1 #ifndef DIPLOMAT_RUNTIME_C_H 2 #define DIPLOMAT_RUNTIME_C_H 3 4 #include <assert.h> 5 #include <stdbool.h> 6 #include <stddef.h> 7 #include <stdint.h> 8 9 // These come from `uchar.h`, which is not available on all platforms. 10 // Redefining them in C is no problem, however in >C++11 they are fundamental 11 // types, which don't like being redefined. 12 #if !(__cplusplus >= 201100) 13 // https://en.cppreference.com/w/c/string/multibyte/char16_t 14 typedef uint_least16_t char16_t; 15 // https://en.cppreference.com/w/c/string/multibyte/char32_t 16 typedef uint_least32_t char32_t; 17 #endif 18 19 static_assert(sizeof(char) == sizeof(uint8_t), "your architecture's `char` is not 8 bits"); 20 static_assert(sizeof(char16_t) == sizeof(uint16_t), "your architecture's `char16_t` is not 16 bits"); 21 static_assert(sizeof(char32_t) == sizeof(uint32_t), "your architecture's `char32_t` is not 32 bits"); 22 23 typedef struct DiplomatWrite { 24 void* context; 25 char* buf; 26 size_t len; 27 size_t cap; 28 bool grow_failed; 29 void (*flush)(struct DiplomatWrite*); 30 bool (*grow)(struct DiplomatWrite*, size_t); 31 } DiplomatWrite; 32 33 bool diplomat_is_str(const char* buf, size_t len); 34 35 #define MAKE_SLICES(name, c_ty) \ 36 typedef struct Diplomat##name##View { \ 37 const c_ty* data; \ 38 size_t len; \ 39 } Diplomat##name##View; \ 40 typedef struct Diplomat##name##ViewMut { \ 41 c_ty* data; \ 42 size_t len; \ 43 } Diplomat##name##ViewMut; \ 44 typedef struct Diplomat##name##Array { \ 45 const c_ty* data; \ 46 size_t len; \ 47 } Diplomat##name##Array; 48 49 #define MAKE_SLICES_AND_OPTIONS(name, c_ty) \ 50 MAKE_SLICES(name, c_ty) \ 51 typedef struct Option##name {union { c_ty ok; }; bool is_ok; } Option##name; \ 52 typedef struct Option##name##View {union { Diplomat##name##View ok; }; bool is_ok; } Option##name##View; \ 53 typedef struct Option##name##ViewMut {union { Diplomat##name##ViewMut ok; }; bool is_ok; } Option##name##ViewMut; \ 54 typedef struct Option##name##Array {union { Diplomat##name##Array ok; }; bool is_ok; } Option##name##Array; \ 55 56 MAKE_SLICES_AND_OPTIONS(I8, int8_t) 57 MAKE_SLICES_AND_OPTIONS(U8, uint8_t) 58 MAKE_SLICES_AND_OPTIONS(I16, int16_t) 59 MAKE_SLICES_AND_OPTIONS(U16, uint16_t) 60 MAKE_SLICES_AND_OPTIONS(I32, int32_t) 61 MAKE_SLICES_AND_OPTIONS(U32, uint32_t) 62 MAKE_SLICES_AND_OPTIONS(I64, int64_t) 63 MAKE_SLICES_AND_OPTIONS(U64, uint64_t) 64 MAKE_SLICES_AND_OPTIONS(Isize, intptr_t) 65 MAKE_SLICES_AND_OPTIONS(Usize, size_t) 66 MAKE_SLICES_AND_OPTIONS(F32, float) 67 MAKE_SLICES_AND_OPTIONS(F64, double) 68 MAKE_SLICES_AND_OPTIONS(Bool, bool) 69 MAKE_SLICES_AND_OPTIONS(Char, char32_t) 70 MAKE_SLICES_AND_OPTIONS(String, char) 71 MAKE_SLICES_AND_OPTIONS(String16, char16_t) 72 MAKE_SLICES_AND_OPTIONS(Strings, DiplomatStringView) 73 MAKE_SLICES_AND_OPTIONS(Strings16, DiplomatString16View) 74 75 DiplomatWrite diplomat_simple_write(char* buf, size_t buf_size); 76 77 DiplomatWrite* diplomat_buffer_write_create(size_t cap); 78 char* diplomat_buffer_write_get_bytes(DiplomatWrite* t); 79 size_t diplomat_buffer_write_len(DiplomatWrite* t); 80 void diplomat_buffer_write_destroy(DiplomatWrite* t); 81 82 #endif