Output more location data in lint errors

src/lexical_linter.coffee

@@ -43,6 +43,7 @@ module.exports = class LexicalLinter extends BaseLinter
     lintToken: (token) ->
         [type, value, { first_line: lineNumber }] = token
 
+        @token = token
         @tokensByLine[lineNumber] ?= []
         @tokensByLine[lineNumber].push(token)
         # CoffeeScript loses line numbers of interpolations and multi-line
@@ -64,4 +65,5 @@ module.exports = class LexicalLinter extends BaseLinter
         attrs.lineNumber ?= @lineNumber
         attrs.lineNumber += 1
         attrs.line = @tokenApi.lines[attrs.lineNumber - 1]
+        attrs.location ?= @token[2]
         super ruleName, attrs

src/rules/cyclomatic_complexity.coffee

@@ -47,6 +47,7 @@ module.exports = class CyclomaticComplexity
                 context: complexity + 1
                 lineNumber: node.locationData.first_line + 1
                 lineNumberEnd: node.locationData.last_line + 1
+                location: node.locationData
             }
             @errors.push error if error
 

src/rules/indentation.coffee

@@ -63,6 +63,8 @@ module.exports = class Indentation
                         if dotIndent % expected isnt 0
                             return {
                                 context: "Expected #{expected} got #{got}"
+                                expected: expected
+                                actual: got
                             }
 
             return undefined
@@ -97,7 +99,11 @@ module.exports = class Indentation
 
         # Now check the indentation.
         if not ignoreIndent and not (expected in numIndents)
-            return { context: "Expected #{expected} got #{numIndents[0]}" }
+            return {
+                context: "Expected #{expected} got #{numIndents[0]}"
+                expected: expected
+                actual: numIndents[0]
+            }
 
     # Return true if the current token is inside of an array.
     inArray: () ->

src/rules/missing_fat_arrows.coffee

@@ -49,6 +49,7 @@ module.exports = class MissingFatArrows
                 (@needsFatArrow node)
             error = @astApi.createError
                 lineNumber: node.locationData.first_line + 1
+                location: node.locationData
             @errors.push error
 
         node.eachChild (child) => @lintNode child,

src/rules/no_empty_functions.coffee

@@ -41,5 +41,6 @@ module.exports = class NoEmptyFunctions
         if isEmptyCode node, astApi
             error = astApi.createError
                 lineNumber: node.locationData.first_line + 1
+                location: node.locationData
             @errors.push error
         node.eachChild (child) => @lintNode child, astApi

src/rules/no_private_function_fat_arrows.coffee

@@ -18,6 +18,7 @@ module.exports = class NoPrivateFunctionFatArrows
         if @isFatArrowCode(node) and node in functions
             error = @astApi.createError
                 lineNumber: node.locationData.first_line + 1
+                location: node.locationData
             @errors.push error
 
         node.eachChild (child) => @lintNode child,

src/rules/no_unnecessary_fat_arrows.coffee

@@ -19,6 +19,7 @@ module.exports = class NoUnnecessaryFatArrows
         if (@isFatArrowCode node) and (not @needsFatArrow node)
             error = @astApi.createError
                 lineNumber: node.locationData.first_line + 1
+                location: node.locationData
             @errors.push error
         node.eachChild (child) => @lintNode child