Add poc files

h_program-lang/layer_parse_errors.ml

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+(* Yoann Padioleau
+ *
+ * Copyright (C) 2010 Facebook
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation, with the
+ * special exception on linking described in file license.txt.
+ * 
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the file
+ * license.txt for more details.
+ *)
+
+open Common
+
+open Parse_info
+
+(*****************************************************************************)
+(* Prelude *)
+(*****************************************************************************)
+
+(*****************************************************************************)
+(* Types *)
+(*****************************************************************************)
+
+(* todo: do some generic red_green_and_heatmap helpers? so can factorize
+ * code with layer_coverage.ml
+ *)
+
+(*****************************************************************************)
+(* Helper *)
+(*****************************************************************************)
+
+(*****************************************************************************)
+(* Main entry point *)
+(*****************************************************************************)
+
+let gen_red_green_layer ~root stats =
+  let root = Common2.relative_to_absolute root in
+
+  { Layer_code.
+    title = "Parsing errors (red/green)";
+    description = "";
+    files = stats +> List.map (fun stat ->
+     let file = 
+       stat.filename +> Common2.relative_to_absolute +> Common.readable ~root
+     in
+      
+      file,
+      { Layer_code.
+        micro_level = []; (* TODO use problematic_lines *)
+        macro_level = [
+          (if stat.bad > 0
+          then "bad"
+          else "ok"
+          ), 1.
+        ];
+      }
+    );
+    kinds = Layer_code.red_green_properties;
+  }
+
+let gen_heatmap_layer ~root stats =
+  let root = Common2.relative_to_absolute root in
+
+  { Layer_code.
+    title = "Parsing errors (heatmap)";
+    description = "lower is better";
+    files = stats +> List.map (fun stat ->
+     let file = 
+       stat.filename +> Common2.relative_to_absolute +> Common.readable ~root
+     in
+     let covered = stat.correct in
+     let not_covered = stat.bad in
+
+     let percent = 
+        try 
+          Common2.pourcent_good_bad not_covered covered
+       with Division_by_zero -> 0
+     in
+      
+      file,
+      { Layer_code.
+        micro_level =
+          stat.problematic_lines +> List.map (fun (_strs, lineno) ->
+            lineno, "bad"
+          );
+        macro_level = [
+          (let percent_round = (percent / 10) * 10 in
+          spf "cover %d%%" percent_round
+          ),
+          1.
+        ];
+      }
+    );
+    kinds = Layer_code.heat_map_properties;
+  }
+
+