diff options
Diffstat (limited to 'lib/gitano/util.lua')
-rw-r--r-- | lib/gitano/util.lua | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/gitano/util.lua b/lib/gitano/util.lua index c2a53a7..291c68d 100644 --- a/lib/gitano/util.lua +++ b/lib/gitano/util.lua @@ -337,12 +337,18 @@ end local tagname_pattern = "^[a-z0-9_%-/]*[a-z0-9_%-]*$" +local cached_expansions = {} + local function prep_expansion(str) -- Parse 'str' and return a table representing a sequence of -- operations required to evaluate the expansion of the string. -- in the simple case, it's merely the string in a table -- if the entry in ret is a string, it's copied. If it's a table -- then that table's [1] is a string which is a tag name to expand. + if cached_expansions[str] then + return cached_expansions[str] + end + local ret = {} local acc = "" local c @@ -386,6 +392,8 @@ local function prep_expansion(str) ret[#ret+1] = acc end + cached_expansions[str] = ret + return ret end |