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-rw-r--r--syntax/crystal.vim64
1 files changed, 28 insertions, 36 deletions
diff --git a/syntax/crystal.vim b/syntax/crystal.vim
index 7dfdf507..a776e59b 100644
--- a/syntax/crystal.vim
+++ b/syntax/crystal.vim
@@ -93,10 +93,6 @@ syn match crystalStringEscape "\\\\\|\\[abefnrstv]\|\\\o\{1,3}\|\\x\x\{1,2}"
syn match crystalStringEscape "\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)" contained display
syn region crystalInterpolation matchgroup=crystalInterpolationDelim start="#{" end="}" contained contains=TOP
-syn match crystalInterpolation "#\%(\$\|@@\=\)\w\+" display contained contains=crystalInterpolationDelim,crystalInstanceVariable,crystalClassVariable,crystalGlobalVariable,crystalPredefinedVariable
-syn match crystalInterpolationDelim "#\ze\%(\$\|@@\=\)\w\+" display contained
-syn match crystalInterpolation "#\$\%(-\w\|\W\)" display contained contains=crystalInterpolationDelim,crystalPredefinedVariable,crystalInvalidVariable
-syn match crystalInterpolationDelim "#\ze\$\%(-\w\|\W\)" display contained
syn region crystalNoInterpolation start="\\#{" end="}" contained
syn match crystalNoInterpolation "\\#{" display contained
syn match crystalNoInterpolation "\\#\%(\$\|@@\=\)\w\+" display contained
@@ -156,7 +152,6 @@ syn match crystalAnnotationName "\%(\%([.@$]\@1<!\.\)\@1<!\<\|::\)\_s*\zs\u\w
syn match crystalConstant "\%(\%([.@$]\@1<!\.\)\@1<!\<\|::\)\_s*\zs\u\w*\%(\>\|::\)\@="
syn match crystalClassVariable "@@\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*" display
syn match crystalInstanceVariable "@\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*" display
-syn match crystalGlobalVariable "$\%(\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*\|-.\)"
syn match crystalFreshVariable "\%(\h\|[^\x00-\x7F]\)\@1<!%\%(\h\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*" display
syn match crystalSymbol "[]})\"':]\@1<!:\%(\^\|\~\|<<\|<=>\|<=\|<\|===\|[=!]=\|[=!]\~\|!\|>>\|>=\|>\||\|-@\|-\|/\|\[][=?]\|\[]\|\*\*\|\*\|&\|%\|+@\|+\|`\)"
syn match crystalSymbol "[]})\"':]\@1<!:\$\%(-.\|[`~<=>_,;:!?/.'"@$*\&+0]\)"
@@ -172,17 +167,11 @@ SynFold ':' syn region crystalSymbol start="[]})\"':]\@1<!:\"" end="\"" skip="\\
syn match crystalBlockParameter "\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*" contained
syn region crystalBlockParameterList start="\%(\%(\<do\>\|{\)\s*\)\@<=|" end="|" oneline display contains=crystalBlockParameter
-syn match crystalInvalidVariable "$[^ %A-Za-z_-]"
-syn match crystalPredefinedVariable #$[!$&"'*+,./0:;<=>?@\`~]#
-syn match crystalPredefinedVariable "$\d\+" display
-syn match crystalPredefinedVariable "$_\>" display
-syn match crystalPredefinedVariable "$-[0FIKadilpvw]\>" display
-syn match crystalPredefinedVariable "$\%(deferr\|defout\|stderr\|stdin\|stdout\)\>" display
-syn match crystalPredefinedVariable "$\%(DEBUG\|FILENAME\|KCODE\|LOADED_FEATURES\|LOAD_PATH\|PROGRAM_NAME\|SAFE\|VERBOSE\)\>" display
-syn match crystalPredefinedConstant "\%(\%(\.\@1<!\.\)\@2<!\|::\)\_s*\zs\%(MatchingData\|ARGF\|ARGV\|ENV\)\>\%(\s*(\)\@!"
-syn match crystalPredefinedConstant "\%(\%(\.\@1<!\.\)\@2<!\|::\)\_s*\zs\%(DATA\|FALSE\|NIL\)\>\%(\s*(\)\@!"
-syn match crystalPredefinedConstant "\%(\%(\.\@1<!\.\)\@2<!\|::\)\_s*\zs\%(STDERR\|STDIN\|STDOUT\|TOPLEVEL_BINDING\|TRUE\)\>\%(\s*(\)\@!"
-syn match crystalPredefinedConstant "\%(\%(\.\@1<!\.\)\@2<!\|::\)\_s*\zs\%(crystal_\%(VERSION\|RELEASE_DATE\|PLATFORM\|PATCHLEVEL\|REVISION\|DESCRIPTION\|COPYRIGHT\|ENGINE\)\)\>\%(\s*(\)\@!"
+" In Crystal, almost all special variables were removed and global variables
+" are not supported https://github.com/crystal-lang/crystal/commit/e872c716d0e936557b34c614efc5a4c24d845f79
+" NOTE: Only $~ and $? are supported since they are actually not global.
+syn match crystalPredefinedVariable "$[~?]"
+syn match crystalPredefinedConstant "\%(\%(\.\@1<!\.\)\@2<!\|::\)\_s*\zs\%(ARGF\|ARGV\|ENV\|STDERR\|STDIN\|STDOUT\)\>\%(\s*(\)\@!"
" Normal Regular Expression
SynFold '/' syn region crystalRegexp matchgroup=crystalRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|ifdef\|when\|in\|not\|then\|else\)\|[;\~=!|&(,[<>?:*+-]\)\s*\)\@<=/" end="/[imx]*" skip="\\\\\|\\/" contains=@crystalRegexpSpecial
@@ -250,9 +239,9 @@ SynFold '<<' syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\
SynFold '<<' syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<-`\z([^`]*\)`\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+3 matchgroup=crystalStringDelimiter end=+^\s*\zs\z1$+ contains=crystalHeredocStart,@crystalStringSpecial keepend
" Module, Class, Method, and Alias Declarations
-syn match crystalAliasDeclaration "[^[:space:];#.()]\+" contained contains=crystalSymbol,crystalGlobalVariable,crystalPredefinedVariable nextgroup=crystalAliasDeclaration2 skipwhite
-syn match crystalAliasDeclaration2 "[^[:space:];#.()]\+" contained contains=crystalSymbol,crystalGlobalVariable,crystalPredefinedVariable
-syn match crystalMethodDeclaration "[^[:space:];#(]\+" contained contains=crystalConstant,crystalFunction,crystalBoolean,crystalPseudoVariable,crystalInstanceVariable,crystalClassVariable,crystalGlobalVariable
+syn match crystalAliasDeclaration "[^[:space:];#.()]\+" contained contains=crystalSymbol,crystalPredefinedVariable nextgroup=crystalAliasDeclaration2 skipwhite
+syn match crystalAliasDeclaration2 "[^[:space:];#.()]\+" contained contains=crystalSymbol,crystalPredefinedVariable
+syn match crystalMethodDeclaration "[^[:space:];#(]\+" contained contains=crystalConstant,crystalFunction,crystalBoolean,crystalPseudoVariable,crystalInstanceVariable,crystalClassVariable
syn match crystalFunctionDeclaration "[^[:space:];#(=]\+" contained contains=crystalFunction
syn match crystalTypeDeclaration "[^[:space:];#=]\+" contained contains=crystalTypeName
syn match crystalClassDeclaration "[^[:space:];#<]\+" contained contains=crystalClassName,crystalOperator
@@ -283,7 +272,6 @@ if !exists('b:crystal_no_expensive') && !exists('g:crystal_no_expensive')
syn match crystalDefine "\<alias\>" nextgroup=crystalAliasDeclaration skipwhite skipnl
syn match crystalDefine "\<def\>" nextgroup=crystalMethodDeclaration skipwhite skipnl
syn match crystalDefine "\<fun\>" nextgroup=crystalFunctionDeclaration skipwhite skipnl
- syn match crystalDefine "\<undef\>" nextgroup=crystalFunction skipwhite skipnl
syn match crystalDefine "\<\%(type\|alias\)\>\%(\s*\h\w*\s*=\)\@=" nextgroup=crystalTypeDeclaration skipwhite skipnl
syn match crystalClass "\<class\>" nextgroup=crystalClassDeclaration skipwhite skipnl
syn match crystalModule "\<module\>" nextgroup=crystalModuleDeclaration skipwhite skipnl
@@ -293,13 +281,17 @@ if !exists('b:crystal_no_expensive') && !exists('g:crystal_no_expensive')
syn match crystalEnum "\<enum\>" nextgroup=crystalEnumDeclaration skipwhite skipnl
syn match crystalAnnotation "\<annotation\>" nextgroup=crystalAnnotationDeclaration skipwhite skipnl
- SynFold 'def' syn region crystalMethodBlock start="\<\%(def\|macro\)\>" matchgroup=crystalDefine end="\%(\<\%(def\|macro\)\_s\+\)\@<!\<end\>" contains=TOP
- SynFold 'class' syn region crystalBlock start="\<class\>" matchgroup=crystalClass end="\<end\>" contains=TOP
- SynFold 'module' syn region crystalBlock start="\<module\>" matchgroup=crystalModule end="\<end\>" contains=TOP
- SynFold 'struct' syn region crystalBlock start="\<struct\>" matchgroup=crystalStruct end="\<end\>" contains=TOP
- SynFold 'lib' syn region crystalBlock start="\<lib\>" matchgroup=crystalLib end="\<end\>" contains=TOP
- SynFold 'enum' syn region crystalBlock start="\<enum\>" matchgroup=crystalEnum end="\<end\>" contains=TOP
- SynFold 'annotation' syn region crystalBlock start="\<annotation\>" matchgroup=crystalAnnotation end="\<end\>" contains=TOP
+ SynFold 'def' syn region crystalMethodBlock start="\<def\>" matchgroup=crystalDefine end="\%(\<def\_s\+\)\@<!\<end\>" contains=TOP,crystalForallKeyword
+ SynFold 'macro' syn region crystalMethodBlock start="\<macro\>" matchgroup=crystalDefine end="\%(\<macro\_s\+\)\@<!\<end\>" contains=TOP
+ SynFold 'class' syn region crystalBlock start="\<class\>" matchgroup=crystalClass end="\<end\>" contains=TOP
+ SynFold 'module' syn region crystalBlock start="\<module\>" matchgroup=crystalModule end="\<end\>" contains=TOP
+ SynFold 'struct' syn region crystalBlock start="\<struct\>" matchgroup=crystalStruct end="\<end\>" contains=TOP
+ SynFold 'lib' syn region crystalBlock start="\<lib\>" matchgroup=crystalLib end="\<end\>" contains=TOP
+ SynFold 'enum' syn region crystalBlock start="\<enum\>" matchgroup=crystalEnum end="\<end\>" contains=TOP
+ SynFold 'annotation' syn region crystalBlock start="\<annotation\>" matchgroup=crystalAnnotation end="\<end\>" contains=TOP
+
+ " keywords in method declaration
+ syn match crystalForallKeyword "\<forall\>[?!]\@!" contained containedin=crystalMethodBlock
" modifiers
syn match crystalConditionalModifier "\<\%(if\|unless\|ifdef\)\>" display
@@ -341,8 +333,9 @@ else
syn match crystalControl "\<macro\>[?!]\@!" nextgroup=crystalMacroDeclaration skipwhite skipnl
syn match crystalControl "\<enum\>[?!]\@!" nextgroup=crystalEnumDeclaration skipwhite skipnl
syn match crystalControl "\<annotation\>[?!]\@!" nextgroup=crystalAnnotationDeclaration skipwhite skipnl
- syn match crystalControl "\<\%(case\|begin\|do\|if\|ifdef\|unless\|while\|until\|else\|elsif\|ensure\|then\|when\|in\|end\)\>[?!]\@!"
- syn match crystalKeyword "\<\%(alias\|undef\)\>[?!]\@!"
+ syn match crystalControl "\<\%(case\|begin\|do\|if\|ifdef\|unless\|while\|select\|until\|else\|elsif\|ensure\|then\|when\|in\|end\)\>[?!]\@!"
+ syn match crystalKeyword "\<alias\>[?!]\@!"
+ syn match crystalForallKeyword "\<forall\>[?!]\@!"
endif
" Link attribute
@@ -353,13 +346,13 @@ if !exists('g:crystal_no_special_methods')
syn keyword crystalAccess protected private
" attr is a common variable name
syn keyword crystalAttribute abstract
- syn match crystalAttribute "\<\%(class_\)\=\%(getter\|setter\|property\)[!?]\=\s" display
+ syn match crystalAttribute "\<\%(\%(class_\)\=\%(getter\|setter\|property\)[!?]\=\|def_\%(clone\|equals\|equals_and_hash\|hash\)\|delegate\|forward_missing_to\)\s" display
syn match crystalControl "\<\%(abort\|at_exit\|exit\|fork\|loop\)\>[?!]\@!" display
syn keyword crystalException raise
" false positive with 'include?'
syn match crystalInclude "\<include\>[?!]\@!" display
syn keyword crystalInclude extend require
- syn keyword crystalKeyword caller typeof pointerof sizeof instance_sizeof
+ syn keyword crystalKeyword caller typeof pointerof sizeof instance_sizeof offsetof
syn match crystalRecord "\<record\%(\s\+\u\w*\)\@=" display
endif
@@ -404,16 +397,16 @@ SynFold '#' syn region crystalMultilineComment start="\%(\%(^\s*#.*\n\)\@<!\%(^\
syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(alias\|begin\|break\|case\|class\|def\|defined\|do\|else\|select\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(elsif\|end\|ensure\|false\|for\|if\|ifdef\|in\|module\|next\|nil\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(rescue\|return\|self\|super\|previous_def\|then\|true\)\>" transparent contains=NONE
-syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(undef\|unless\|until\|when\|in\|while\|yield\|with\|__FILE__\|__LINE__\)\>" transparent contains=NONE
+syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(unless\|until\|when\|in\|while\|yield\|with\|__FILE__\|__LINE__\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\<\%(alias\|begin\|case\|class\|def\|do\|end\)[?!]" transparent contains=NONE
-syn match crystalKeywordAsMethod "\<\%(if\|ifdef\|module\|undef\|unless\|until\|while\)[?!]" transparent contains=NONE
+syn match crystalKeywordAsMethod "\<\%(if\|ifdef\|module\|unless\|until\|while\)[?!]" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(abort\|at_exit\|caller\|exit\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(extend\|fork\|include\|asm\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(loop\|private\|protected\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(require\|raise\)\>" transparent contains=NONE
-syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(typeof\|pointerof\|sizeof\|instance_sizeof\|\)\>" transparent contains=NONE
+syn match crystalKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%(typeof\|pointerof\|sizeof\|instance_sizeof\|offsetof\|\)\>" transparent contains=NONE
hi def link crystalClass crystalDefine
hi def link crystalModule crystalDefine
@@ -450,7 +443,6 @@ hi def link crystalStructName crystalConstant
hi def link crystalLibName crystalConstant
hi def link crystalEnumName crystalConstant
hi def link crystalAnnotationName crystalConstant
-hi def link crystalGlobalVariable crystalIdentifier
hi def link crystalBlockParameter crystalIdentifier
hi def link crystalInstanceVariable crystalIdentifier
hi def link crystalFreshVariable crystalIdentifier
@@ -486,9 +478,9 @@ hi def link crystalRegexp crystalString
hi def link crystalMacro PreProc
hi def link crystalMacroDelim crystalMacro
hi def link crystalMacroKeyword crystalKeyword
+hi def link crystalForallKeyword crystalDefine
hi def link crystalLinkAttrDelim crystalMacroDelim
hi def link crystalError Error
-hi def link crystalInvalidVariable crystalError
hi def link crystalSpaceError crystalError
hi def link crystalInvalidInteger crystalError