Initial support for CoffeeScript.

Author: smashwilson

lib/parsers/coffeescript-trace-parser.coffee

@@ -0,0 +1,29 @@
+
+module.exports =
+
+  recognize: (line, f, {emitMessage, emitFrame, emitStack}) ->
+    m = line.match /// ^
+      (.*Error) : # Error name
+      (.+) # Message
+      $
+    ///
+    return unless m?
+
+    emitMessage line
+
+  consume: (line, f, {emitMessage, emitFrame, emitStack}) ->
+    m = line.match /// ^
+      at \s+
+      ([^(]+)   # Function name
+      \(
+        ([^:]+) : # Path
+        (\d+)   : # Line
+        (\d+)     # Column
+      \)
+    ///
+    return emitStack() unless m?
+
+    f.functionName m[1].trim()
+    f.path m[2]
+    f.lineNumber parseInt m[3]
+    emitFrame()

lib/trace-parser.coffee

@@ -1,7 +1,7 @@
 {Stacktrace, Frame} = require './stacktrace'
-util = require 'util'
 fs = require 'fs'
 path = require 'path'
+util = require 'util'
 
 # Internal: Build a Frame instance with a simple DSL.
 #

spec/parsers/coffeescript-trace-parser-spec.coffee

@@ -0,0 +1,18 @@
+{traceParser} = require '../../lib/trace-parser'
+coffeeTracer = require '../../lib/parsers/coffeescript-trace-parser'
+ts = require '../trace-fixtures'
+
+describe 'coffeeTracer', ->
+  describe 'recognition', ->
+
+    it 'parses a trace from each CoffeeScript fixture', ->
+      for f in Object.keys(ts.COFFEESCRIPT)
+        result = traceParser(ts.COFFEESCRIPT[f], [coffeeTracer])
+        expect(result.length > 0).toBe(true)
+
+    it "doesn't parse a trace from any non-CoffeeScript fixture", ->
+      for k in Object.keys(ts)
+        if k isnt 'COFFEESCRIPT'
+          for f in Object.keys(ts[k])
+            result = traceParser(ts[k][f], [coffeeTracer])
+            expect(result.length).toBe(0)

spec/parsers/trace-parser-driver.coffee

@@ -9,3 +9,13 @@ module.exports =
                 from /home/smash/samples/tracer/entry.rb:7:in `toplevel'
                 from /home/smash/samples/tracer/entry.rb:10:in `<main>'
               """
+  COFFEESCRIPT:
+    ERROR: """
+           Error: yep
+             at asFrame (/home/smash/code/stacktrace/lib/trace-parser.coffee:36:13)
+             at t.recognize.emitFrame (/home/smash/code/stacktrace/lib/trace-parser.coffee:95:35)
+             at Object.module.exports.recognize (/home/smash/code/stacktrace/lib/parsers/ruby-trace-parser.coffee:19:5)
+             at traceParser (/home/smash/code/stacktrace/lib/trace-parser.coffee:93:11)
+             at Function.Stacktrace.parse (/home/smash/code/stacktrace/lib/stacktrace.coffee:43:5)
+             at [object Object].<anonymous> (/home/smash/code/stacktrace/spec/stacktrace-spec.coffee:9:28)
+           """