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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2020-01-06 11:38:31 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2020-01-06 11:38:31 -0300 |
commit | 5ff408d2189c6c24fdf8908db4a31432bbdd6f15 (patch) | |
tree | bcd83d7547dab0d5418116eb10f9c601f2f2d3b9 /llex.c | |
parent | e3c83835e7b396ab7db538fb3b052f02d7807dee (diff) | |
download | lua-5ff408d2189c6c24fdf8908db4a31432bbdd6f15.tar.gz lua-5ff408d2189c6c24fdf8908db4a31432bbdd6f15.tar.bz2 lua-5ff408d2189c6c24fdf8908db4a31432bbdd6f15.zip |
Changed internal representation of booleans
Instead of an explicit value (field 'b'), true and false use different
tag variants. This avoids reading an extra field and results in more
direct code. (Most code that uses booleans needs to distinguish between
true and false anyway.)
Diffstat (limited to 'llex.c')
-rw-r--r-- | llex.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -136,7 +136,7 @@ TString *luaX_newstring (LexState *ls, const char *str, size_t l) { | |||
136 | if (isempty(o)) { /* not in use yet? */ | 136 | if (isempty(o)) { /* not in use yet? */ |
137 | /* boolean value does not need GC barrier; | 137 | /* boolean value does not need GC barrier; |
138 | table is not a metatable, so it does not need to invalidate cache */ | 138 | table is not a metatable, so it does not need to invalidate cache */ |
139 | setbvalue(o, 1); /* t[string] = true */ | 139 | setbtvalue(o); /* t[string] = true */ |
140 | luaC_checkGC(L); | 140 | luaC_checkGC(L); |
141 | } | 141 | } |
142 | else { /* string already present */ | 142 | else { /* string already present */ |