Update

1 files changed, 70 insertions, 41 deletions

diff --git a/syntax/elixir.vim b/syntax/elixir.vim
index 12223577..cd24cba6 100644
--- a/syntax/elixir.vim
+++ b/syntax/elixir.vim
@@ -10,25 +10,23 @@ set cpo&vim
 " syncing starts 2000 lines before top line so docstrings don't screw things up
 syn sync minlines=2000
 
-syn cluster elixirNotTop contains=@elixirRegexSpecial,@elixirStringContained,@elixirDeclaration,elixirTodo,elixirArguments,elixirBlockDefinition
+syn cluster elixirNotTop contains=@elixirRegexSpecial,@elixirStringContained,@elixirDeclaration,elixirTodo,elixirArguments,elixirBlockDefinition,elixirUnusedVariable
 syn cluster elixirRegexSpecial contains=elixirRegexEscape,elixirRegexCharClass,elixirRegexQuantifier,elixirRegexEscapePunctuation
 syn cluster elixirStringContained contains=elixirInterpolation,elixirRegexEscape,elixirRegexCharClass
 syn cluster elixirDeclaration contains=elixirFunctionDeclaration,elixirModuleDeclaration,elixirProtocolDeclaration,elixirImplDeclaration,elixirRecordDeclaration,elixirMacroDeclaration,elixirDelegateDeclaration,elixirOverridableDeclaration,elixirExceptionDeclaration,elixirCallbackDeclaration,elixirStructDeclaration
 
-syn match elixirComment '^\s*#.*' contains=elixirTodo,@Spell
+syn match elixirComment '#.*' contains=elixirTodo,@Spell
 syn keyword elixirTodo FIXME NOTE TODO OPTIMIZE XXX HACK contained
 
-syn keyword elixirKeyword case when with cond for if unless try receive send
-syn keyword elixirKeyword do end exit raise throw after rescue catch else
-syn keyword elixirKeyword quote unquote super spawn spawn_link spawn_monitor
+syn match elixirId '\<[_a-zA-Z]\w*[!?]\?\>'
+
+syn match elixirKeyword '\(\.\)\@<!\<\(for\|case\|when\|with\|cond\|if\|unless\|try\|receive\|send\)\>'
+syn match elixirKeyword '\(\.\)\@<!\<\(exit\|raise\|throw\|after\|rescue\|catch\|else\)\>'
+syn match elixirKeyword '\(\.\)\@<!\<\(quote\|unquote\|super\|spawn\|spawn_link\|spawn_monitor\)\>'
 
-" Functions used on guards
-syn keyword elixirKeyword contained is_atom is_binary is_bitstring is_boolean
-syn keyword elixirKeyword contained is_float is_function is_integer is_list
-syn keyword elixirKeyword contained is_map is_nil is_number is_pid is_port
-syn keyword elixirKeyword contained is_record is_reference is_tuple is_exception
-syn keyword elixirKeyword contained abs bit_size byte_size div elem hd length
-syn keyword elixirKeyword contained map_size node rem round tl trunc tuple_size
+" Kernel functions
+syn match elixirKernelFunction contained containedin=elixirGuard '\<\(is_atom\|is_binary\|is_bitstring\|is_boolean\|is_float\|is_function\|is_integer\|is_list\|is_map\|is_nil\|is_number\|is_pid\|is_port\)\>\([ (]\)\@='
+syn match elixirKernelFunction contained containedin=elixirGuard '\<\(is_record\|is_reference\|is_tuple\|is_exception\|abs\|bit_size\|byte_size\|div\|elem\|hd\|length\|map_size\|node\|rem\|round\|tl\|trunc\|tuple_size\)\>\([ (]\)\@='
 
 syn match elixirGuard '.*when.*' contains=ALLBUT,@elixirNotTop
 
@@ -36,12 +34,10 @@ syn keyword elixirInclude import require alias use
 
 syn keyword elixirSelf self
 
-syn match elixirId '\<[_a-zA-Z]\w*[!?]\?\>'
-
 " This unfortunately also matches function names in function calls
-syn match elixirUnusedVariable '\(([^)]*\)\@<=\<_\w*\>'
+syn match elixirUnusedVariable contained '\<_\w*\>'
 
-syn keyword elixirOperator and not or when xor in
+syn keyword elixirOperator and not or in
 syn match   elixirOperator '!==\|!=\|!'
 syn match   elixirOperator '=\~\|===\|==\|='
 syn match   elixirOperator '<<<\|<<\|<=\|<-\|<'
@@ -58,6 +54,8 @@ syn match   elixirAtom '\(:\)\@<!:\%([a-zA-Z_]\w*\%([?!]\|=[>=]\@!\)\?\|<>\|===\
 syn match   elixirAtom '\(:\)\@<!:\%(<=>\|&&\?\|%\(()\|\[\]\|{}\)\|++\?\|--\?\|||\?\|!\|//\|[%&`/|]\)'
 syn match   elixirAtom "\%([a-zA-Z_]\w*[?!]\?\):\(:\)\@!"
 
+syn match   elixirBlockInline "\<\(do\|else\)\>:\@="
+
 syn match   elixirAlias '\<[!]\?[A-Z]\w*\(\.[A-Z]\w*\)*\>'
 
 syn keyword elixirBoolean true false nil
@@ -79,20 +77,18 @@ syn match elixirRegexCharClass         "\[:\(alnum\|alpha\|ascii\|blank\|cntrl\|
 
 syn region elixirRegex matchgroup=elixirRegexDelimiter start="%r/" end="/[uiomxfr]*" skip="\\\\" contains=@elixirRegexSpecial
 
-syn region elixirString  matchgroup=elixirStringDelimiter start=+\z('\)+   end=+\z1+ skip=+\\\\+  contains=@elixirStringContained
-syn region elixirString  matchgroup=elixirStringDelimiter start=+\z("\)+   end=+\z1+ skip=+\\\\+  contains=@elixirStringContained
+syn region elixirString  matchgroup=elixirStringDelimiter start=+\z('\)+   end=+\z1+ skip=+\\\\\|\\\z1+  contains=@elixirStringContained
+syn region elixirString  matchgroup=elixirStringDelimiter start=+\z("\)+   end=+\z1+ skip=+\\\\\|\\\z1+  contains=@elixirStringContained
 syn region elixirString  matchgroup=elixirStringDelimiter start=+\z('''\)+ end=+^\s*\z1+ skip=+'\|\\\\+  contains=@elixirStringContained
 syn region elixirString  matchgroup=elixirStringDelimiter start=+\z("""\)+ end=+^\s*\z1+ skip=+"\|\\\\+  contains=@elixirStringContained
-syn region elixirInterpolation matchgroup=elixirInterpolationDelimiter start="#{" end="}" contained contains=ALLBUT,elixirComment,@elixirNotTop
-
-syn match elixirDocString +\(@\w*doc\s*\)\@<=\%("""\_.\{-}\_^\s*"""\|".\{-\}"\)+ contains=elixirTodo,elixirInterpolation,@Spell fold
+syn region elixirInterpolation matchgroup=elixirInterpolationDelimiter start="#{" end="}" contained contains=ALLBUT,elixirKernelFunction,elixirComment,@elixirNotTop
 
 syn match elixirAtomInterpolated   ':\("\)\@=' contains=elixirString
 syn match elixirString             "\(\w\)\@<!?\%(\\\(x\d{1,2}\|\h{1,2}\h\@!\>\|0[0-7]{0,2}[0-7]\@!\>\|[^x0MC]\)\|(\\[MC]-)+\w\|[^\s\\]\)"
 
-syn region elixirBlock              matchgroup=elixirBlockDefinition start="\<do\>:\@!" end="\<end\>" contains=ALLBUT,@elixirNotTop fold
-syn region elixirElseBlock          matchgroup=elixirBlockDefinition start="\<else\>:\@!" end="\<end\>" contains=ALLBUT,@elixirNotTop fold
-syn region elixirAnonymousFunction  matchgroup=elixirBlockDefinition start="\<fn\>"     end="\<end\>" contains=ALLBUT,@elixirNotTop fold
+syn region elixirBlock              matchgroup=elixirBlockDefinition start="\<do\>:\@!" end="\<end\>" contains=ALLBUT,elixirKernelFunction,@elixirNotTop fold
+syn region elixirElseBlock          matchgroup=elixirBlockDefinition start="\<else\>:\@!" end="\<end\>" contains=ALLBUT,elixirKernelFunction,@elixirNotTop fold
+syn region elixirAnonymousFunction  matchgroup=elixirBlockDefinition start="\<fn\>"     end="\<end\>" contains=ALLBUT,elixirKernelFunction,@elixirNotTop fold
 
 syn region elixirArguments start="(" end=")" contained contains=elixirOperator,elixirAtom,elixirPseudoVariable,elixirAlias,elixirBoolean,elixirVariable,elixirUnusedVariable,elixirNumber,elixirDocString,elixirAtomInterpolated,elixirRegex,elixirString,elixirStringDelimiter,elixirRegexDelimiter,elixirInterpolationDelimiter,elixirSigilDelimiter
 
@@ -109,26 +105,49 @@ syn region elixirSigil matchgroup=elixirSigilDelimiter start="\~\l{"
 syn region elixirSigil matchgroup=elixirSigilDelimiter start="\~\l<"                end=">"   skip="\\\\\|\\>"   contains=@elixirStringContained,elixirRegexEscapePunctuation fold
 syn region elixirSigil matchgroup=elixirSigilDelimiter start="\~\l\["               end="\]"  skip="\\\\\|\\\]"  contains=@elixirStringContained,elixirRegexEscapePunctuation fold
 syn region elixirSigil matchgroup=elixirSigilDelimiter start="\~\l("                end=")"   skip="\\\\\|\\)"   contains=@elixirStringContained,elixirRegexEscapePunctuation fold
+syn region elixirSigil matchgroup=elixirSigilDelimiter start="\~\l\/"               end="\/"  skip="\\\\\|\\\/"  contains=@elixirStringContained,elixirRegexEscapePunctuation fold
+
+" Sigils surrounded with heredoc
+syn region elixirSigil matchgroup=elixirSigilDelimiter start=+\~\a\z("""\)+ end=+^\s*\zs\z1\s*$+ skip=+\\"+ fold
+syn region elixirSigil matchgroup=elixirSigilDelimiter start=+\~\a\z('''\)+ end=+^\s*\zs\z1\s*$+ skip=+\\'+ fold
+
+" Documentation
+if exists('g:elixir_use_markdown_for_docs') && g:elixir_use_markdown_for_docs
+  syn include @markdown syntax/markdown.vim
+  syn cluster elixirDocStringContained contains=@markdown,@Spell
+else
+  let g:elixir_use_markdown_for_docs = 0
+  syn cluster elixirDocStringContained contains=elixirDocTest,elixirTodo,@Spell
+
+  " doctests
+  syn region elixirDocTest start="^\s*\%(iex\|\.\.\.\)\%((\d*)\)\?>\s" end="^\s*$" contained
+endif
 
-" Sigils surrounded with docString
-syn region elixirSigil matchgroup=elixirSigilDelimiter start=+\~\a\z("""\)+ end=+^\s*\zs\z1+ skip=+\\"+ fold
-syn region elixirSigil matchgroup=elixirSigilDelimiter start=+\~\a\z('''\)+ end=+^\s*\zs\z1+ skip=+\\'+ fold
+syn region elixirDocString matchgroup=elixirSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]\z(/\|\"\|'\||\)" end="\z1" skip="\\\\\|\\\z1" contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]{"                   end="}"   skip="\\\\\|\\}"   contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]<"                   end=">"   skip="\\\\\|\\>"   contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]\["                  end="\]"  skip="\\\\\|\\\]"  contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]("                   end=")"   skip="\\\\\|\\)"   contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirStringDelimiter start=+\%(@\w*doc\s\+\)\@<=\z("\)+                 end=+\z1+ skip=+\\\\\|\\\z1+  contains=@elixirDocStringContained keepend
+syn region elixirDocString matchgroup=elixirStringDelimiter start=+\%(@\w*doc\s\+\)\@<=\z("""\)+               end=+\z1+ contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirSigilDelimiter  start=+\%(@\w*doc\s\+\)\@<=\~[Ss]\z('''\)+ end=+\z1+ skip=+\\'+ contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirSigilDelimiter  start=+\%(@\w*doc\s\+\)\@<=\~[Ss]\z("""\)+ end=+\z1+ skip=+\\"+ contains=@elixirDocStringContained fold keepend
 
 " Defines
-syn keyword elixirDefine              def            nextgroup=elixirFunctionDeclaration    skipwhite skipnl
-syn keyword elixirPrivateDefine       defp           nextgroup=elixirFunctionDeclaration    skipwhite skipnl
-syn keyword elixirModuleDefine        defmodule      nextgroup=elixirModuleDeclaration      skipwhite skipnl
-syn keyword elixirProtocolDefine      defprotocol    nextgroup=elixirProtocolDeclaration    skipwhite skipnl
-syn keyword elixirImplDefine          defimpl        nextgroup=elixirImplDeclaration        skipwhite skipnl
-syn keyword elixirRecordDefine        defrecord      nextgroup=elixirRecordDeclaration      skipwhite skipnl
-syn keyword elixirPrivateRecordDefine defrecordp     nextgroup=elixirRecordDeclaration      skipwhite skipnl
-syn keyword elixirMacroDefine         defmacro       nextgroup=elixirMacroDeclaration       skipwhite skipnl
-syn keyword elixirPrivateMacroDefine  defmacrop      nextgroup=elixirMacroDeclaration       skipwhite skipnl
-syn keyword elixirDelegateDefine      defdelegate    nextgroup=elixirDelegateDeclaration    skipwhite skipnl
-syn keyword elixirOverridableDefine   defoverridable nextgroup=elixirOverridableDeclaration skipwhite skipnl
-syn keyword elixirExceptionDefine     defexception   nextgroup=elixirExceptionDeclaration   skipwhite skipnl
-syn keyword elixirCallbackDefine      defcallback    nextgroup=elixirCallbackDeclaration    skipwhite skipnl
-syn keyword elixirStructDefine        defstruct      skipwhite skipnl
+syn match elixirDefine              '\<def\>\(:\)\@!'             nextgroup=elixirFunctionDeclaration    skipwhite skipnl
+syn match elixirPrivateDefine       '\<defp\>\(:\)\@!'            nextgroup=elixirFunctionDeclaration    skipwhite skipnl
+syn match elixirModuleDefine        '\<defmodule\>\(:\)\@!'       nextgroup=elixirModuleDeclaration      skipwhite skipnl
+syn match elixirProtocolDefine      '\<defprotocol\>\(:\)\@!'     nextgroup=elixirProtocolDeclaration    skipwhite skipnl
+syn match elixirImplDefine          '\<defimpl\>\(:\)\@!'         nextgroup=elixirImplDeclaration        skipwhite skipnl
+syn match elixirRecordDefine        '\<defrecord\>\(:\)\@!'       nextgroup=elixirRecordDeclaration      skipwhite skipnl
+syn match elixirPrivateRecordDefine '\<defrecordp\>\(:\)\@!'      nextgroup=elixirRecordDeclaration      skipwhite skipnl
+syn match elixirMacroDefine         '\<defmacro\>\(:\)\@!'        nextgroup=elixirMacroDeclaration       skipwhite skipnl
+syn match elixirPrivateMacroDefine  '\<defmacrop\>\(:\)\@!'       nextgroup=elixirMacroDeclaration       skipwhite skipnl
+syn match elixirDelegateDefine      '\<defdelegate\>\(:\)\@!'     nextgroup=elixirDelegateDeclaration    skipwhite skipnl
+syn match elixirOverridableDefine   '\<defoverridable\>\(:\)\@!'  nextgroup=elixirOverridableDeclaration skipwhite skipnl
+syn match elixirExceptionDefine     '\<defexception\>\(:\)\@!'    nextgroup=elixirExceptionDeclaration   skipwhite skipnl
+syn match elixirCallbackDefine      '\<defcallback\>\(:\)\@!'     nextgroup=elixirCallbackDeclaration    skipwhite skipnl
+syn match elixirStructDefine        '\<defstruct\>\(:\)\@!'       skipwhite skipnl
 
 " Declarations
 syn match  elixirModuleDeclaration      "[^[:space:];#<]\+"        contained                      nextgroup=elixirBlock     skipwhite skipnl
@@ -143,6 +162,12 @@ syn match  elixirOverridableDeclaration "[^[:space:];#<]\+"        contained con
 syn match  elixirExceptionDeclaration   "[^[:space:];#<]\+"        contained contains=elixirAlias                           skipwhite skipnl
 syn match  elixirCallbackDeclaration    "[^[:space:];#<,()\[\]]\+" contained contains=elixirFunctionDeclaration             skipwhite skipnl
 
+" ExUnit
+syn match  elixirExUnitMacro "\(^\s*\)\@<=\<\(test\|describe\|setup\|setup_all\|on_exit\|doctest\)\>"
+syn match  elixirExUnitAssert "\(^\s*\)\@<=\<\(assert\|assert_in_delta\|assert_raise\|assert_receive\|assert_received\|catch_error\)\>"
+syn match  elixirExUnitAssert "\(^\s*\)\@<=\<\(catch_exit\|catch_throw\|flunk\|refute\|refute_in_delta\|refute_receive\|refute_received\)\>"
+
+hi def link elixirBlockInline            Keyword
 hi def link elixirBlockDefinition        Keyword
 hi def link elixirDefine                 Define
 hi def link elixirPrivateDefine          Define
@@ -158,6 +183,7 @@ hi def link elixirOverridableDefine      Define
 hi def link elixirExceptionDefine        Define
 hi def link elixirCallbackDefine         Define
 hi def link elixirStructDefine           Define
+hi def link elixirExUnitMacro            Define
 hi def link elixirModuleDeclaration      Type
 hi def link elixirFunctionDeclaration    Function
 hi def link elixirMacroDeclaration       Macro
@@ -165,6 +191,8 @@ hi def link elixirInclude                Include
 hi def link elixirComment                Comment
 hi def link elixirTodo                   Todo
 hi def link elixirKeyword                Keyword
+hi def link elixirExUnitAssert           Keyword
+hi def link elixirKernelFunction         Keyword
 hi def link elixirOperator               Operator
 hi def link elixirAtom                   Constant
 hi def link elixirPseudoVariable         Constant
@@ -175,6 +203,7 @@ hi def link elixirSelf                   Identifier
 hi def link elixirUnusedVariable         Comment
 hi def link elixirNumber                 Number
 hi def link elixirDocString              Comment
+hi def link elixirDocTest                elixirKeyword
 hi def link elixirAtomInterpolated       elixirAtom
 hi def link elixirRegex                  elixirString
 hi def link elixirRegexEscape            elixirSpecial