generic-library/ChaiScript
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

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

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
include/chaiscript/language/chaiscript_parser.hpp
View File

@ -438,15 +438,20 @@ namespace chaiscript
}
/// Reads a symbol group from input if it matches the parameter, without skipping initial whitespace
#define Symbol_(t_s, len) \
( \
m_position.remaining() >= len \
? std::memcmp(t_s, &(*m_position), len) == 0 \
? ((m_position += len),true) \
:false \
:false \
)
/// Reads a symbol group from input if it matches the parameter, without skipping initial whitespace
inline bool Symbol_(const char *t_s, const size_t len)
{
if (m_position.remaining() >= len) {
const char *file_pos = &(*m_position);
for (size_t pos = 0; pos < len; ++pos)
{
if (t_s[pos] != file_pos[pos]) { return false; }
}
m_position += len;
return true;
}
return false;
}
/// Skips any multi-line or single-line comment
bool SkipComment() {
@ -2540,8 +2545,6 @@ namespace chaiscript
}
}
#undef Symbol_
#if defined(CHAISCRIPT_MSVC) && defined(CHAISCRIPT_PUSHED_MIN_MAX)
#undef CHAISCRIPT_PUSHED_MIN_MAX
#pragma pop_macro("min")