fixes #15

Author: andremm

lua-parser/parser.lua

@@ -463,9 +463,8 @@ function parser.parse (subject, filename)
   lpeg.setmaxstack(1000)
   local ast, label, sfail = lpeg.match(G, subject, nil, errorinfo)
   if not ast then
-    local errpos = #subject-#sfail+1
     local errmsg = labels[label][2]
-    return ast, syntaxerror(errorinfo, errpos, errmsg)
+    return ast, syntaxerror(errorinfo, sfail, errmsg)
   end
   return validate(ast, errorinfo)
 end

rockspecs/lua-parser-1.0.1-1.rockspec

@@ -0,0 +1,31 @@
+--*-lua-*--
+package = "lua-parser"
+version = "1.0.1-1"
+source = {
+  url = "git://github.com/andremm/lua-parser",
+  tag = "v1.0.0",
+}
+description = {
+  summary = "A Lua 5.3 parser written with LPegLabel",
+  detailed = [[
+           This is a Lua 5.3 parser written with LPegLabel that generates an AST in
+           the format specified by Metalua.
+           The parser uses LPegLabel to provide more specific error messages.
+  ]],
+  homepage = "https://github.com/andremm/lua-parser",
+  license = "MIT"
+}
+dependencies = {
+  "lua >= 5.1",
+  "lpeglabel >= 1.6.0",
+}
+build = {
+  type="builtin",
+  modules={
+    ["lua-parser.parser"] = "lua-parser/parser.lua",
+    ["lua-parser.pp"] = "lua-parser/pp.lua",
+    ["lua-parser.scope"] = "lua-parser/scope.lua",
+    ["lua-parser.validator"] = "lua-parser/validator.lua",
+  }
+}
+