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Remove whitespace from token values in AST

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This commit is contained in:
Henri DF 2016-02-14 21:26:04 -08:00
parent c21e8207f8
commit b3f7b1d765
1 changed files with 8 additions and 1 deletions
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9
lua/sysdig-parser.lua
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@ -104,8 +104,15 @@ local function list (pat, sep)
return Ct(pat^0 * (sep * pat^0)^0) / function(elements) return {type = "List", elements=elements} end return Ct(pat^0 * (sep * pat^0)^0) / function(elements) return {type = "List", elements=elements} end
end end
--http://lua-users.org/wiki/StringTrim
function trim(s)
if (type(s) ~= "string") then return s end
return (s:gsub("^%s*(.-)%s*$", "%1"))
end
local function terminal (tag) local function terminal (tag)
return token(V(tag), tag) / function (tok) return { type = tag, value = tok} end -- Rather than trim the whitespace in this way, it would be nicer to exclude it from the capture...
return token(V(tag), tag) / function (tok) return { type = tag, value = trim(tok)} end
end end
local function unaryboolop (op, e) local function unaryboolop (op, e)