Renaming "re.lua" to "relabel.lua".

Adding examples, README and lpeglabel.html

1 files changed, 35 insertions, 0 deletions

diff --git a/examples/listIdRe2.lua b/examples/listIdRe2.lua
new file mode 100644
index 0000000..67c42f1
--- /dev/null
+++ b/examples/listIdRe2.lua
@@ -0,0 +1,35 @@
+local re = require 're' 
+
+local errUndef, errId, errComma = 0, 1, 2
+
+local terror = {
+        [errUndef] = "Error",
+        [errId] = "Error: expecting an identifier",
+        [errComma] = "Error: expecting ','",
+}
+
+local tlabels = { ["errUndef"] = errUndef,
+                  ["errId"]    = errId, 
+                  ["errComma"] = errComma }
+
+re.setlabels(tlabels)
+
+local g = re.compile[[
+  S    <- Id List
+  List <- !.  /  (',' /         %{errComma}) Id List
+  Id   <- [a-z]  /  %{errId}    
+]]
+
+function mymatch (g, s)
+        local r, e = g:match(s)
+        if not r then
+                return r, terror[e]
+        end
+        return r
+end
+        
+print(mymatch(g, "a,b"))
+print(mymatch(g, "a b"))
+print(mymatch(g, ", b"))
+
+