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msgpack template: macros for compilers that doesn't not support Case Ranges

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This commit is contained in:
frsyuki 2009-12-10 06:40:29 +09:00
parent 7ce866ad7c
commit ba3ba0367c
1 changed files with 26 additions and 9 deletions
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35
msgpack/unpack_template.h
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@ -40,6 +40,11 @@
#error msgpack_unpack_user type is not defined
#endif
#ifndef USE_CASE_RANGE
#if !defined(_MSC_VER)
#define USE_CASE_RANGE
#endif
#endif
msgpack_unpack_struct_decl(_stack) {
msgpack_unpack_object obj;
@ -130,16 +135,28 @@ msgpack_unpack_func(int, _execute)(msgpack_unpack_struct(_context)* ctx, const c
#define PTR_CAST_32(ptr) msgpack_be32(*(uint32_t*)ptr)
#define PTR_CAST_64(ptr) msgpack_be64(*(uint64_t*)ptr)
#ifdef USE_CASE_RANGE
#define SWITCH_RANGE_BEGIN switch(*p) {
#define SWITCH_RANGE(FROM, TO) case FROM ... TO:
#define SWITCH_RANGE_DEFAULT default:
#define SWITCH_RANGE_END }
#else
#define SWITCH_RANGE_BEGIN { if(0) {
#define SWITCH_RANGE(FROM, TO) } else if(FROM <= *p && *p <= TO) {
#define SWITCH_RANGE_DEFAULT } else {
#define SWITCH_RANGE_END } }
#endif
if(p == pe) { goto _out; }
do {
switch(cs) {
case CS_HEADER:
switch(*p) {
case 0x00 ... 0x7f: // Positive Fixnum
SWITCH_RANGE_BEGIN
SWITCH_RANGE(0x00, 0x7f) // Positive Fixnum
push_fixed_value(_uint8, *(uint8_t*)p);
case 0xe0 ... 0xff: // Negative Fixnum
SWITCH_RANGE(0xe0, 0xff) // Negative Fixnum
push_fixed_value(_int8, *(int8_t*)p);
case 0xc0 ... 0xdf: // Variable
SWITCH_RANGE(0xc0, 0xdf) // Variable
switch(*p) {
case 0xc0: // nil
push_simple_value(_nil);
@ -182,16 +199,16 @@ msgpack_unpack_func(int, _execute)(msgpack_unpack_struct(_context)* ctx, const c
default:
goto _failed;
}
case 0xa0 ... 0xbf: // FixRaw
SWITCH_RANGE(0xa0, 0xbf) // FixRaw
again_fixed_trail_if_zero(ACS_RAW_VALUE, ((unsigned int)*p & 0x1f), _raw_zero);
case 0x90 ... 0x9f: // FixArray
SWITCH_RANGE(0x90, 0x9f) // FixArray
start_container(_array, ((unsigned int)*p) & 0x0f, CT_ARRAY_ITEM);
case 0x80 ... 0x8f: // FixMap
SWITCH_RANGE(0x80, 0x8f) // FixMap
start_container(_map, ((unsigned int)*p) & 0x0f, CT_MAP_KEY);
default:
SWITCH_RANGE_DEFAULT
goto _failed;
}
SWITCH_RANGE_END
// end CS_HEADER