Add support for Idris2, closes #534 (#535)

syntax/idris2.vim

@@ -0,0 +1,85 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'idris2') == -1
+
+" syntax highlighting for Idris 2 (idris-lang.org)
+"
+" Heavily modified version of the haskell syntax
+" highlighter to support Idris 2.
+"
+" author: raichoo (raichoo@googlemail.com)
+
+if exists("b:current_syntax")
+  finish
+endif
+
+syn match idrisTypeDecl "[a-zA-Z][a-zA-z0-9_']*\s\+:\s\+"
+  \ contains=idrisIdentifier,idrisOperators
+syn region idrisParens matchgroup=idrisDelimiter start="(" end=")" contains=TOP,idrisTypeDecl
+syn region idrisBrackets matchgroup=idrisDelimiter start="\[" end="]" contains=TOP,idrisTypeDecl
+syn region idrisBlock matchgroup=idrisDelimiter start="{" end="}" contains=TOP,idrisTypeDecl
+syn keyword idrisModule module namespace
+syn keyword idrisImport import
+syn keyword idrisStructure data record interface implementation
+syn keyword idrisWhere where
+syn keyword idrisVisibility public abstract private export
+syn keyword idrisBlock parameters mutual using
+syn keyword idrisTotality total partial covering
+syn keyword idrisAnnotation auto impossible default constructor
+syn keyword idrisStatement do case of rewrite with
+syn keyword idrisLet let in
+syn keyword idrisForall forall
+syn keyword idrisDataOpt noHints uniqueSearch search external noNewtype containedin=idrisBrackets
+syn match idrisSyntax "\(pattern \+\|term \+\)\?syntax"
+syn keyword idrisConditional if then else
+syn match idrisNumber "\<[0-9]\+\>\|\<0[xX][0-9a-fA-F]\+\>\|\<0[oO][0-7]\+\>"
+syn match idrisFloat "\<[0-9]\+\.[0-9]\+\([eE][-+]\=[0-9]\+\)\=\>"
+syn match idrisDelimiter  "[,;]"
+syn keyword idrisInfix prefix infix infixl infixr
+syn match idrisOperators "\([-!#$%&\*\+./<=>\?@\\^|~:]\|\<_\>\)"
+syn match idrisType "\<[A-Z][a-zA-Z0-9_']*\>"
+syn keyword idrisTodo TODO FIXME XXX HACK contained
+syn match idrisLineComment "---*\([^-!#$%&\*\+./<=>\?@\\^|~].*\)\?$" contains=idrisTodo,@Spell
+syn match idrisDocComment "|||\([^-!#$%&\*\+./<=>\?@\\^|~].*\)\?$" contains=idrisTodo,@Spell
+syn match idrisMetaVar "?[a-z][A-Za-z0-9_']*"
+syn match idrisPragma "%\(hide\|logging\|auto_lazy\|unbound_implicits\|undotted_record_projections\|amibguity_depth\|pair\|rewrite\|integerLit\|stringLit\|charLit\|name\|start\|allow_overloads\|language\|default\|transform\|hint\|global_hint\|defaulthint\|inline\|extern\|macro\|spec\|foreign\|runElab\|tcinline\)"
+syn match idrisChar "'[^'\\]'\|'\\.'\|'\\u[0-9a-fA-F]\{4}'"
+syn match idrisBacktick "`[A-Za-z][A-Za-z0-9_']*`"
+syn region idrisString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@Spell
+syn region idrisBlockComment start="{-" end="-}" contains=idrisBlockComment,idrisTodo,@Spell
+syn match idrisIdentifier "[a-zA-Z][a-zA-z0-9_']*" contained
+
+highlight def link idrisDeprecated Error
+highlight def link idrisIdentifier Identifier
+highlight def link idrisImport Structure
+highlight def link idrisModule Structure
+highlight def link idrisStructure Structure
+highlight def link idrisStatement Statement
+highlight def link idrisForall Structure
+highlight def link idrisDataOpt Statement
+highlight def link idrisDSL Statement
+highlight def link idrisBlock Statement
+highlight def link idrisAnnotation Statement
+highlight def link idrisWhere Structure
+highlight def link idrisLet Structure
+highlight def link idrisTotality Statement
+highlight def link idrisSyntax Statement
+highlight def link idrisVisibility Statement
+highlight def link idrisConditional Conditional
+highlight def link idrisPragma Statement
+highlight def link idrisNumber Number
+highlight def link idrisFloat Float
+highlight def link idrisDelimiter Delimiter
+highlight def link idrisInfix PreProc
+highlight def link idrisOperators Operator
+highlight def link idrisType Include
+highlight def link idrisDocComment Comment
+highlight def link idrisLineComment Comment
+highlight def link idrisBlockComment Comment
+highlight def link idrisTodo Todo
+highlight def link idrisMetaVar Macro
+highlight def link idrisString String
+highlight def link idrisChar String
+highlight def link idrisBacktick Operator
+
+let b:current_syntax = "idris2"
+
+endif

syntax/lidris2.vim

@@ -0,0 +1,26 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'idris2') == -1
+
+" Vim syntax file
+" Language:    Literate Idris 2
+" Maintainer:  Idris Hackers (https://github.com/edwinb/idris2-vim)
+" Last Change: 2020 May 19
+" Version:     0.1
+"
+" This is just a minimal adaption of the Literate Haskell syntax file.
+
+
+" Read Idris highlighting.
+if version < 600
+    syntax include @idrisTop <sfile>:p:h/idris2.vim
+else
+    syntax include @idrisTop syntax/idris2.vim
+endif
+
+" Recognize blocks of Bird tracks, highlight as Idris.
+syntax region lidrisBirdTrackBlock start="^>" end="\%(^[^>]\)\@=" contains=@idrisTop,lidrisBirdTrack
+syntax match  lidrisBirdTrack "^>" contained
+hi def link   lidrisBirdTrack Comment
+
+let b:current_syntax = "lidris2"
+
+endif

syntax/rust.vim

@@ -67,10 +67,11 @@ syn match   rustExternCrateString /".*"\_s*as/ contained nextgroup=rustIdentifie
 syn keyword   rustObsoleteExternMod mod contained nextgroup=rustIdentifier skipwhite skipempty
 
 syn match     rustIdentifier  contains=rustIdentifierPrime "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
-syn match     rustFuncName    "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
+syn match     rustFuncName    "\%(r#\)\=\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
 
 syn region rustMacroRepeat matchgroup=rustMacroRepeatDelimiters start="$(" end="),\=[*+]" contains=TOP
 syn match rustMacroVariable "$\w\+"
+syn match rustRawIdent "\<r#\h\w*" contains=NONE
 
 " Reserved (but not yet used) keywords {{{2
 syn keyword   rustReservedKeyword become do priv typeof unsized abstract virtual final override