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-rw-r--r--tools/erlparse.lua8
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/erlparse.lua b/tools/erlparse.lua
index fdef7e8c..a5cef464 100644
--- a/tools/erlparse.lua
+++ b/tools/erlparse.lua
@@ -12,12 +12,16 @@ local type, tonumber, tostring = type, tonumber, tostring;
local file = nil;
local last = nil;
+local line = 1;
local function read(expected)
local ch;
if last then
ch = last; last = nil;
- else ch = file:read(1); end
- if expected and ch ~= expected then error("expected: "..expected.."; got: "..(ch or "nil")); end
+ else
+ ch = file:read(1);
+ if ch == "\n" then line = line + 1; end
+ end
+ if expected and ch ~= expected then error("expected: "..expected.."; got: "..(ch or "nil").." on line "..line); end
return ch;
end
local function pushback(ch)