1 files changed, 45 insertions, 0 deletions
diff --git a/script-beta/parser/parse.lua b/script-beta/parser/parse.lua
new file mode 100644
index 00000000..bbc01b10
--- /dev/null
+++ b/script-beta/parser/parse.lua
@@ -0,0 +1,45 @@
+local ast = require 'parser.ast'
+
+return function (self, lua, mode, version)
+    local errs  = {}
+    local diags = {}
+    local state = {
+        version = version,
+        lua = lua,
+        emmy = {},
+        root = {},
+        errs = errs,
+        diags = diags,
+        pushError = function (err)
+            if err.finish < err.start then
+                err.finish = err.start
+            end
+            local last = errs[#errs]
+            if last then
+                if last.start <= err.start and last.finish >= err.finish then
+                    return
+                end
+            end
+            err.level = err.level or 'error'
+            errs[#errs+1] = err
+            return err
+        end,
+        pushDiag = function (code, info)
+            if not diags[code] then
+                diags[code] = {}
+            end
+            diags[code][#diags[code]+1] = info
+        end
+    }
+    ast.init(state)
+    local suc, res, err = xpcall(self.grammar, debug.traceback, self, lua, mode)
+    ast.close()
+    if not suc then
+        return nil, res
+    end
+    if not res then
+        state.pushError(err)
+    end
+    state.ast = res
+    return state
+end