improve lex yacc rules

1 files changed, 13 insertions, 0 deletions

diff --git a/xmake/core/base/path.lua b/xmake/core/base/path.lua
index 04c386c23..4f534bb50 100644
--- a/xmake/core/base/path.lua
+++ b/xmake/core/base/path.lua
@@ -26,6 +26,9 @@ local string = require("base/string")
 local table  = require("base/table")
 local _instance = _instance or {}
 
+-- save original interfaces
+path._absolute = path._absolute or path.absolute
+
 -- new a path
 function _instance.new(p, transform)
     local instance = table.inherit(_instance)
@@ -95,6 +98,10 @@ function _instance:directory()
     return path.new(path.directory(self:str()), self._TRANSFORM)
 end
 
+function _instance:absolute()
+    return path.new(path.absolute(self:str()), self._TRANSFORM)
+end
+
 function _instance:join(...)
     local items = {self:str()}
     for _, item in ipairs(table.pack(...)) do
@@ -165,6 +172,12 @@ if not path.directory then
     end
 end
 
+-- get absolute path
+function path.absolute(p)
+    p = tostring(p)
+    return path._absolute(p)
+end
+
 -- get the filename of the path
 function path.filename(p, sep)
     p = tostring(p)