From: Alexis Laferrière <alexis.laf@xymus.net>
Date: Tue, 1 Sep 2015 20:04:24 +0000 (-0400)
Subject: contrib/objcwrapper: print clang style parsing errors
X-Git-Tag: v0.7.8~42^2~9
X-Git-Url: http://nitlanguage.org

contrib/objcwrapper: print clang style parsing errors

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---

diff --git a/contrib/objcwrapper/src/objcwrapper.nit b/contrib/objcwrapper/src/objcwrapper.nit
index 6ec6b6b..71e86ed 100644
--- a/contrib/objcwrapper/src/objcwrapper.nit
+++ b/contrib/objcwrapper/src/objcwrapper.nit
@@ -58,7 +58,18 @@ for src in opts.rest do
 
 	# Check for errors
 	if root isa NError then
-		print_error "Syntax Error: {root.message}: {root.position or else ""}"
+		var pos = root.position
+		print_error "Syntax Error: {root.message}, at {pos or else ""}"
+		print_error "in {src}"
+		if pos != null then
+			var lines = content.split("\n")
+			for line in [pos.line_start..pos.line_end] do
+				print_error lines[line-1]
+			end
+
+			var ptr = " "*(pos.col_start-1).max(0) + "^"*(pos.col_end-pos.col_start)
+			print_error ptr
+		end
 		continue
 	end