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| author | Matthew Wild <mwild1@gmail.com> | 2010-03-25 19:34:05 +0000 |
|---|---|---|
| committer | Matthew Wild <mwild1@gmail.com> | 2010-03-25 19:34:05 +0000 |
| commit | 6fa3afd4ef1db7709ba4fe07555ce14638e35e44 (patch) | |
| tree | 3c6fe47e9d6fe247afdd9355f290a9b0eae5a087 | |
| parent | b697788460e186879148ca722e52d47d2a5a6169 (diff) | |
| download | prosody-6fa3afd4ef1db7709ba4fe07555ce14638e35e44.tar.gz prosody-6fa3afd4ef1db7709ba4fe07555ce14638e35e44.zip | |
tools/erlparse: Report the line number when showing a syntax error in the input file
| -rw-r--r-- | tools/erlparse.lua | 8 |
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) |