Update

1 files changed, 13 insertions, 15 deletions

diff --git a/syntax/elixir.vim b/syntax/elixir.vim
index 8fe0bf11..beb1317d 100644
--- a/syntax/elixir.vim
+++ b/syntax/elixir.vim
@@ -18,26 +18,27 @@ syn cluster elixirDeclaration contains=elixirFunctionDeclaration,elixirModuleDec
 syn match elixirComment '#.*' contains=elixirTodo,@Spell
 syn keyword elixirTodo FIXME NOTE TODO OPTIMIZE XXX HACK contained
 
-syn match elixirId '\<[_a-zA-Z]\w*[!?]\?\>'
+syn match elixirId '\<[_a-zA-Z]\w*[!?]\?\>' contains=elixirUnusedVariable,elixirKernelFunction
 
 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 '\(\.\)\@<!\<\(quote\|unquote\|super\|spawn\|spawn_link\|spawn_monitor\)\>'
 
 " 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
+syn keyword elixirKernelFunction contained is_atom is_binary is_bitstring is_boolean is_float
+syn keyword elixirKernelFunction contained is_function is_integer is_list is_map is_nil
+syn keyword elixirKernelFunction contained is_number is_pid is_port is_reference is_tuple
+syn keyword elixirKernelFunction contained abs binary_part bit_size byte_size div elem hd length
+syn keyword elixirKernelFunction contained map_size node rem round tl trunc tuple_size
 
 syn keyword elixirInclude import require alias use
 
 syn keyword elixirSelf self
 
 " This unfortunately also matches function names in function calls
-syn match elixirUnusedVariable contained '\<_\w*\>'
+syn match elixirUnusedVariable contained '\v%(^|[^.])@<=<_\w*>'
 
-syn keyword elixirOperator and not or in
+syn match   elixirOperator '\v\.@<!<%(and|or|in|not)>'
 syn match   elixirOperator '!==\|!=\|!'
 syn match   elixirOperator '=\~\|===\|==\|='
 syn match   elixirOperator '<<<\|<<\|<=\|<-\|<'
@@ -54,8 +55,6 @@ 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 '\([a-z]\)\@<![A-Z]\w*'
 
 syn keyword elixirBoolean true false nil
@@ -84,10 +83,10 @@ syn region elixirStruct matchgroup=elixirStructDelimiter start="%\(\w\+{\)\@=" e
 
 syn region elixirMap matchgroup=elixirMapDelimiter start="%{" end="}" contains=ALLBUT,@elixirNotTop
 
-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+ contains=@elixirStringContained
-syn region elixirString  matchgroup=elixirStringDelimiter start=+\z("""\)+ end=+^\s*\z1+ contains=@elixirStringContained
+syn region elixirString  matchgroup=elixirStringDelimiter start=+\z('\)+   end=+\z1+ skip=+\\\\\|\\\z1+  contains=@Spell,@elixirStringContained
+syn region elixirString  matchgroup=elixirStringDelimiter start=+\z("\)+   end=+\z1+ skip=+\\\\\|\\\z1+  contains=@Spell,@elixirStringContained
+syn region elixirString  matchgroup=elixirStringDelimiter start=+\z('''\)+ end=+^\s*\z1+ contains=@Spell,@elixirStringContained
+syn region elixirString  matchgroup=elixirStringDelimiter start=+\z("""\)+ end=+^\s*\z1+ contains=@Spell,@elixirStringContained
 syn region elixirInterpolation matchgroup=elixirInterpolationDelimiter start="#{" end="}" contained contains=ALLBUT,elixirKernelFunction,elixirComment,@elixirNotTop
 
 syn match elixirAtomInterpolated   ':\("\)\@=' contains=elixirString
@@ -97,7 +96,7 @@ syn region elixirBlock              matchgroup=elixirBlockDefinition start="\<do
 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,elixirAnonymousFunction
+syn region elixirArguments start="(" end=")" contained contains=elixirOperator,elixirAtom,elixirPseudoVariable,elixirAlias,elixirBoolean,elixirVariable,elixirUnusedVariable,elixirNumber,elixirDocString,elixirAtomInterpolated,elixirRegex,elixirString,elixirStringDelimiter,elixirRegexDelimiter,elixirInterpolationDelimiter,elixirSigil,elixirAnonymousFunction
 
 syn match elixirDelimEscape "\\[(<{\[)>}\]/\"'|]" transparent display contained contains=NONE
 
@@ -174,7 +173,6 @@ syn match  elixirExUnitMacro "\(^\s*\)\@<=\<\(test\|describe\|setup\|setup_all\|
 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