Use traceParser as a backend for Stacktrace.parse().

Author: smashwilson

lib/stacktrace.coffee

@@ -1,4 +1,5 @@
 jsSHA = require 'jssha'
+traceParser = null
 
 PREFIX = 'stacktrace://trace'
 
@@ -33,12 +34,13 @@ class Stacktrace
   unregister: ->
     delete REGISTRY[@getUrl()]
 
+  # Public: Parse zero to many Stacktrace instances from a corpus of text.
+  #
+  # text - A raw blob of text.
+  #
   @parse: (text) ->
-    frames = []
-    for rawLine in text.split(/\r?\n/)
-      f = parseRubyFrame(rawLine)
-      frames.push f if f?
-    new Stacktrace(frames, frames[0].message)
+    {traceParser} = require('./trace-parser') unless traceParser?
+    traceParser(text)
 
   # Internal: Return a registered trace, or null if none match the provided
   # URL.
@@ -55,23 +57,6 @@ class Frame
 
   constructor: (@rawLine, @path, @lineNumber, @functionName) ->
 
-
-# Internal: Parse a Ruby stack frame. This is a simple placeholder until I
-# put together a class hierarchy to handle frame recognition and parsing.
-#
-parseRubyFrame = (rawLine) ->
-  m = rawLine.trim().match /// ^
-    (?:from \s+)?  # On all lines but the first
-    ([^:]+) :  # File path
-    (\d+) :    # Line number
-    in \s* ` ([^']+) ' # Function name
-    (?: : \s (.*))? # Error message, only on the first
-  ///
-
-  if m?
-    [raw, path, lineNumber, functionName, message] = m
-    new Frame(raw, path, lineNumber, functionName, message)
-
 module.exports =
   PREFIX: PREFIX
   Stacktrace: Stacktrace

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/ruby-trace-parser-spec.coffee

@@ -2,7 +2,7 @@
 rubyTracer = require '../../lib/parsers/ruby-trace-parser'
 ts = require '../trace-fixtures'
 
-describe 'rubyTraceParser', ->
+describe 'rubyTracer', ->
   describe 'recognition', ->
 
     it 'parses a trace from each Ruby fixture', ->

spec/stacktrace-spec.coffee

@@ -6,7 +6,7 @@ describe 'Stacktrace', ->
     [trace, checksum] = []
 
     beforeEach ->
-      trace = Stacktrace.parse(TRACE)
+      [trace] = Stacktrace.parse(TRACE)
       checksum = '9528763b5ab8ef052e2400e39d0f32dbe59ffcd06f039adc487f4f956511691f'
 
     describe 'preparation', ->