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Move away from macro, get slight perf boost with hand rolled compare

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This commit is contained in:
Jason Turner 2016-12-01 14:47:23 -07:00
parent 95e119fffe
commit 5f402e71dd
1 changed files with 14 additions and 11 deletions
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23
include/chaiscript/language/chaiscript_parser.hpp
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@ -439,14 +439,19 @@ namespace chaiscript
/// Reads a symbol group from input if it matches the parameter, without skipping initial whitespace /// Reads a symbol group from input if it matches the parameter, without skipping initial whitespace
#define Symbol_(t_s, len) \ inline bool Symbol_(const char *t_s, const size_t len)
( \ {
m_position.remaining() >= len \ if (m_position.remaining() >= len) {
? std::memcmp(t_s, &(*m_position), len) == 0 \ const char *file_pos = &(*m_position);
? ((m_position += len),true) \ for (size_t pos = 0; pos < len; ++pos)
:false \ {
:false \ if (t_s[pos] != file_pos[pos]) { return false; }
) }
m_position += len;
return true;
}
return false;
}
/// Skips any multi-line or single-line comment /// Skips any multi-line or single-line comment
bool SkipComment() { bool SkipComment() {
@ -2540,8 +2545,6 @@ namespace chaiscript
} }
} }
#undef Symbol_
#if defined(CHAISCRIPT_MSVC) && defined(CHAISCRIPT_PUSHED_MIN_MAX) #if defined(CHAISCRIPT_MSVC) && defined(CHAISCRIPT_PUSHED_MIN_MAX)
#undef CHAISCRIPT_PUSHED_MIN_MAX #undef CHAISCRIPT_PUSHED_MIN_MAX
#pragma pop_macro("min") #pragma pop_macro("min")