Add PowerShell syntax, closes #306

.gitmodules

@@ -88,3 +88,6 @@
 [submodule "assets/syntaxes/Crystal"]
 	path = assets/syntaxes/Crystal
 	url = https://github.com/crystal-lang-tools/sublime-crystal.git
+[submodule "assets/syntaxes/PowerShell"]
+	path = assets/syntaxes/PowerShell
+	url = https://github.com/PowerShell/EditorSyntax

assets/syntaxes/PowerShell

@@ -0,0 +1 @@
+Subproject commit 12b7d7257eb493e45a9af0af9094ec0c2a996712

assets/syntaxes/PowerShell.sublime-syntax

@@ -0,0 +1,466 @@
+%YAML 1.2
+---
+# http://www.sublimetext.com/docs/3/syntax.html
+name: PowerShell
+file_extensions:
+  - ps1
+  - psm1
+  - psd1
+scope: source.powershell
+contexts:
+  main:
+    - match: "<#"
+      captures:
+        0: punctuation.definition.comment.block.begin.powershell
+      push:
+        - meta_scope: comment.block.powershell
+        - match: "#>"
+          captures:
+            0: punctuation.definition.comment.block.end.powershell
+          pop: true
+        - include: commentEmbeddedDocs
+    - match: '[2-6]>&1|>>|>|<<|<|>|>\||[1-6]>|[1-6]>>'
+      scope: keyword.operator.redirection.powershell
+    - include: commands
+    - include: commentLine
+    - include: variable
+    - include: interpolatedStringContent
+    - include: function
+    - include: attribute
+    - include: UsingDirective
+    - include: type
+    - include: hashtable
+    - include: doubleQuotedString
+    - include: scriptblock
+    - include: doubleQuotedStringEscapes
+    - match: (?<!')'
+      captures:
+        0: punctuation.definition.string.begin.powershell
+      push:
+        - meta_scope: string.quoted.single.powershell
+        - match: "'(?!')"
+          captures:
+            0: punctuation.definition.string.end.powershell
+          pop: true
+        - match: "''"
+          scope: constant.character.escape.powershell
+    - match: \@"(?=$)
+      push:
+        - meta_scope: string.quoted.double.heredoc.powershell
+        - match: ^"@
+          pop: true
+        - include: variableNoProperty
+        - include: doubleQuotedStringEscapes
+        - include: interpolation
+    - match: \@'(?=$)
+      push:
+        - meta_scope: string.quoted.single.heredoc.powershell
+        - match: ^'@
+          pop: true
+        - match: "''"
+          scope: constant.character.escape.powershell
+    - include: numericConstant
+    - match: (@)(\()
+      captures:
+        1: keyword.other.array.begin.powershell
+        2: punctuation.section.group.begin.powershell
+      push:
+        - meta_scope: meta.group.array-expression.powershell
+        - match: \)
+          captures:
+            0: punctuation.section.group.end.powershell
+          pop: true
+        - include: main
+    - match: (\$)(\()
+      comment: "TODO: move to repo; make recursive."
+      captures:
+        1: punctuation.definition.variable.powershell
+        2: punctuation.section.group.begin.powershell
+      push:
+        - meta_scope: meta.group.complex.subexpression.powershell
+        - match: \)
+          captures:
+            0: punctuation.section.group.end.powershell
+          pop: true
+        - include: main
+    - match: '(\b(([A-Za-z0-9\-_\.]+)\.(?i:exe|com|cmd|bat))\b)'
+      scope: support.function.powershell
+    - match: (?<!\w|-|\.)((?i:begin|break|catch|continue|data|default|define|do|dynamicparam|else|elseif|end|exit|finally|for|from|if|in|inlinescript|parallel|param|process|return|sequence|switch|throw|trap|try|until|var|while)|%|\?)(?!\w)
+      scope: keyword.control.powershell
+    - match: '(?<!\w|-|[^\)]\.)((?i:(foreach|where)(?!-object))|%|\?)(?!\w)'
+      scope: keyword.control.powershell
+    - match: (?<!\w)(--%)(?!\w)
+      comment: This should be moved to the repository at some point.
+      captures:
+        1: keyword.control.powershell
+      push:
+        - match: $
+          pop: true
+        - match: .+
+          scope: string.unquoted.powershell
+    - match: (?<!\w)((?i:hidden|static))(?!\w)
+      comment: This should only be relevant inside a class but will require a rework of how classes are matched. This is a temp fix.
+      scope: storage.modifier.powershell
+    - match: '(?<!\w|-)((?i:class)|%|\?)(?:\s)+((?:\p{L}|\d|_|-|)+)\b'
+      comment: capture should be entity.name.type, but it doesn't provide a good color in the default schema.
+      captures:
+        1: storage.type.powershell
+        2: entity.name.function
+    - match: (?<!\w)-(?i:is(?:not)?|as)\b
+      scope: keyword.operator.comparison.powershell
+    - match: '(?<!\w)-(?i:[ic]?(?:eq|ne|[gl][te]|(?:not)?(?:like|match|contains|in)|replace))(?!\p{L})'
+      scope: keyword.operator.comparison.powershell
+    - match: '(?<!\w)-(?i:join|split)(?!\p{L})|!'
+      scope: keyword.operator.unary.powershell
+    - match: '(?<!\w)-(?i:and|or|not|xor)(?!\p{L})|!'
+      scope: keyword.operator.logical.powershell
+    - match: '(?<!\w)-(?i:band|bor|bnot|bxor|shl|shr)(?!\p{L})'
+      scope: keyword.operator.bitwise.powershell
+    - match: '(?<!\w)-(?i:f)(?!\p{L})'
+      scope: keyword.operator.string-format.powershell
+    - match: "[+%*/-]?=|[+/*%-]"
+      scope: keyword.operator.assignment.powershell
+    - match: '\|{2}|&{2}|;'
+      scope: punctuation.terminator.statement.powershell
+    - match: '&|(?<!\w)\.(?= )|`|,|\|'
+      scope: keyword.operator.other.powershell
+    - match: (?<!\s|^)\.\.(?=\-?\d|\(|\$)
+      comment: This is very imprecise, is there a syntax for 'must come after...'
+      scope: keyword.operator.range.powershell
+  RequiresDirective:
+    - match: (?<=#)(?i:(requires))\s
+      captures:
+        0: keyword.control.requires.powershell
+      push:
+        - meta_scope: meta.requires.powershell
+        - match: $
+          pop: true
+        - match: \-(?i:Modules|PSSnapin|RunAsAdministrator|ShellId|Version)
+          scope: keyword.other.powershell
+        - match: '(?<!-)\b\p{L}+|\d+(?:\.\d+)*'
+          scope: variable.parameter.powershell
+        - include: hashtable
+  UsingDirective:
+    - match: (?<!\w)(?i:(using))\s+(?i:(namespace|module))\s+(?i:((?:\w+(?:\.)?)+))
+      captures:
+        1: keyword.control.using.powershell
+        2: keyword.other.powershell
+        3: variable.parameter.powershell
+  attribute:
+    - match: '(\[)\s*\b(?i)(cmdletbinding|alias|outputtype|parameter|validatenotnull|validatenotnullorempty|validatecount|validateset|allownull|allowemptycollection|allowemptystring|validatescript|validaterange|validatepattern|validatelength)\b'
+      captures:
+        1: punctuation.section.bracket.begin.powershell
+        2: support.function.attribute.powershell
+      push:
+        - meta_scope: meta.attribute.powershell
+        - match: '(\])'
+          captures:
+            1: punctuation.section.bracket.end.powershell
+          pop: true
+        - match: \(
+          captures:
+            0: punctuation.section.group.begin.powershell
+          push:
+            - match: \)
+              captures:
+                0: punctuation.section.group.end.powershell
+              pop: true
+            - include: variable
+            - include: variableNoProperty
+            - include: hashtable
+            - include: scriptblock
+            - include: doubleQuotedStringEscapes
+            - include: doubleQuotedString
+            - include: type
+            - include: numericConstant
+            - include: doubleQuotedString
+            - include: main
+            - match: (?i)\b(mandatory|valuefrompipeline|valuefrompipelinebypropertyname|valuefromremainingarguments|position|parametersetname|defaultparametersetname|supportsshouldprocess|supportspaging|positionalbinding|helpuri|confirmimpact|helpmessage)\b(?:\s+)?(=)?
+              captures:
+                1: variable.parameter.attribute.powershell
+                2: keyword.operator.assignment.powershell
+            - match: (?<!')'
+              captures:
+                0: punctuation.definition.string.begin.powershell
+              push:
+                - meta_scope: string.quoted.single.powershell
+                - match: "'(?!')"
+                  captures:
+                    0: punctuation.definition.string.end.powershell
+                  pop: true
+                - match: "''"
+                  scope: constant.character.escape.powershell
+  commands:
+    - match: '(?:(\p{L}|\d|_|-|\\|\:)*\\)?\b(?i:Add|Approve|Assert|Backup|Block|Build|Checkpoint|Clear|Close|Compare|Complete|Compress|Confirm|Connect|Convert|ConvertFrom|ConvertTo|Copy|Debug|Deny|Deploy|Disable|Disconnect|Dismount|Edit|Enable|Enter|Exit|Expand|Export|Find|Format|Get|Grant|Group|Hide|Import|Initialize|Install|Invoke|Join|Limit|Lock|Measure|Merge|Mount|Move|New|Open|Optimize|Out|Ping|Pop|Protect|Publish|Push|Read|Receive|Redo|Register|Remove|Rename|Repair|Request|Reset|Resize|Resolve|Restart|Restore|Resume|Revoke|Save|Search|Select|Send|Set|Show|Skip|Split|Start|Step|Stop|Submit|Suspend|Switch|Sync|Test|Trace|Unblock|Undo|Uninstall|Unlock|Unprotect|Unpublish|Unregister|Update|Use|Wait|Watch|Write)\-.+?(?:\.(?i:exe|cmd|bat|ps1))?\b'
+      comment: "Verb-Noun pattern:"
+      scope: support.function.powershell
+    - match: (?<!\w)(?i:foreach-object)(?!\w)
+      comment: Builtin cmdlets with reserved verbs
+      scope: support.function.powershell
+    - match: (?<!\w)(?i:where-object)(?!\w)
+      comment: Builtin cmdlets with reserved verbs
+      scope: support.function.powershell
+    - match: (?<!\w)(?i:sort-object)(?!\w)
+      comment: Builtin cmdlets with reserved verbs
+      scope: support.function.powershell
+    - match: (?<!\w)(?i:tee-object)(?!\w)
+      comment: Builtin cmdlets with reserved verbs
+      scope: support.function.powershell
+  commentEmbeddedDocs:
+    - match: ^(?i:(?:\s?|#)+(\.)(COMPONENT|DESCRIPTION|EXAMPLE|EXTERNALHELP|FORWARDHELPCATEGORY|FORWARDHELPTARGETNAME|FUNCTIONALITY|INPUTS|LINK|NOTES|OUTPUTS|REMOTEHELPRUNSPACE|ROLE|SYNOPSIS))
+      scope: comment.documentation.embedded.powershell
+      captures:
+        1: constant.string.documentation.powershell
+        2: keyword.operator.documentation.powershell
+    - match: '(?i:\s?(\.)(PARAMETER|FORWARDHELPTARGETNAME|FORWARDHELPCATEGORY|REMOTEHELPRUNSPACE|EXTERNALHELP)\s+([a-z0-9-_]+))'
+      scope: comment.documentation.embedded.powershell
+      captures:
+        1: constant.string.documentation.powershell
+        2: keyword.operator.documentation.powershell
+        3: keyword.operator.documentation.powershell
+  commentLine:
+    - match: '(?<![`\\-])#'
+      captures:
+        0: punctuation.definition.comment.powershell
+      push:
+        - meta_scope: comment.line.powershell
+        - match: $\n?
+          captures:
+            0: punctuation.definition.comment.powershell
+          pop: true
+        - include: commentEmbeddedDocs
+        - include: RequiresDirective
+  doubleQuotedString:
+    - match: (?<!(?<!`)")"
+      captures:
+        0: punctuation.definition.string.begin.powershell
+      push:
+        - meta_scope: string.quoted.double.powershell
+        - match: '"(?!")'
+          captures:
+            0: punctuation.definition.string.end.powershell
+          pop: true
+        - match: '(?i)\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,64}\b'
+        - include: variableNoProperty
+        - include: variable
+        - include: doubleQuotedStringEscapes
+        - include: interpolation
+        - match: '`\s*$'
+          scope: keyword.other.powershell
+  doubleQuotedStringEscapes:
+    - match: '`[0abnfrvt"''$`]'
+      scope: constant.character.escape.powershell
+    - match: '""'
+      scope: constant.character.escape.powershell
+  function:
+    - match: '^(?:\s*+)(?i)(function|filter|configuration|workflow)\s+(?:(global|local|script|private):)?((?:\p{L}|\d|_|-|\.)+)'
+      captures:
+        0: meta.function.powershell
+        1: storage.type.powershell
+        2: storage.modifier.scope.powershell
+        3: entity.name.function.powershell
+      push:
+        - match: '(?=\{|\()'
+          pop: true
+        - include: commentLine
+  hashtable:
+    - match: '(@)(\{)'
+      captures:
+        1: keyword.other.hashtable.begin.powershell
+        2: punctuation.section.braces.begin.powershell
+      push:
+        - meta_scope: meta.hashtable.powershell
+        - match: '(\})'
+          captures:
+            1: punctuation.section.braces.end.powershell
+          pop: true
+        - match: \b((?:\'|\")?)(\w+)((?:\'|\")?)(?:\s+)?(=)(?:\s+)?
+          scope: meta.hashtable.assignment.powershell
+          captures:
+            1: punctuation.definition.string.begin.powershell
+            2: variable.other.readwrite.powershell
+            3: punctuation.definition.string.end.powershell
+            4: keyword.operator.assignment.powershell
+        - include: scriptblock
+        - include: main
+  interpolatedStringContent:
+    - match: \(
+      captures:
+        0: punctuation.section.group.begin.powershell
+      push:
+        - meta_content_scope: interpolated.simple.source.powershell
+        - match: \)
+          captures:
+            0: punctuation.section.group.end.powershell
+          pop: true
+        - include: main
+        - include: interpolation
+        - include: interpolatedStringContent
+  interpolation:
+    - match: (\$)(\()
+      captures:
+        1: punctuation.definition.variable.powershell
+        2: punctuation.section.group.begin.powershell
+      push:
+        - meta_content_scope: interpolated.complex.source.powershell
+        - match: \)
+          captures:
+            0: punctuation.section.group.end.powershell
+          pop: true
+        - include: main
+        - include: interpolation
+        - include: interpolatedStringContent
+  numericConstant:
+    - match: '(?<!\w)([-+]?0(?:x|X)[0-9a-fA-F_]+(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.hex.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?(?:[0-9_]+)?\.[0-9_]+(?:(?:e|E)[0-9]+)?(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.integer.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?0(?:b|B)[01_]+(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.octal.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?[0-9_]+(?:e|E)(?:[0-9_])?+(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.integer.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?[0-9_]+\.(?:e|E)(?:[0-9_])?+(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.integer.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?[0-9_]+[\.]?(?:F|f|D|d|M|m))((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.integer.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?[0-9_]+[\.]?(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.integer.powershell
+        2: keyword.other.powershell
+  scriptblock:
+    - match: '\{'
+      captures:
+        0: punctuation.section.braces.begin.powershell
+      push:
+        - meta_scope: meta.scriptblock.powershell
+        - match: '\}'
+          captures:
+            0: punctuation.section.braces.end.powershell
+          pop: true
+        - include: main
+  type:
+    - match: '\['
+      captures:
+        0: punctuation.section.bracket.begin.powershell
+      push:
+        - match: '\]'
+          captures:
+            0: punctuation.section.bracket.end.powershell
+          pop: true
+        - match: '(?!\d+|\.)(?:\p{L}|\p{N}|\.)+'
+          scope: storage.type.powershell
+        - include: main
+  variable:
+    - match: (\$)(?i:(False|Null|True))\b
+      comment: These are special constants.
+      captures:
+        0: constant.language.powershell
+        1: punctuation.definition.variable.powershell
+    - match: '(\$)(?i:(Error|ExecutionContext|Host|Home|PID|PsHome|PsVersionTable|ShellID))((?:\.(?:\p{L}|\d|_)+)*\b)?\b'
+      comment: These are the other built-in constants.
+      captures:
+        0: support.constant.variable.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: '(\$)(?i:(\$|\^|\?|_|Args|ConsoleFileName|Event|EventArgs|EventSubscriber|ForEach|Input|LastExitCode|Matches|MyInvocation|NestedPromptLevel|Profile|PSBoundParameters|PsCmdlet|PsCulture|PSDebugContext|PSItem|PSCommandPath|PSScriptRoot|PsUICulture|Pwd|Sender|SourceArgs|SourceEventArgs|StackTrace|Switch|This))((?:\.(?:\p{L}|\d|_)+)*\b)?\b'
+      comment: Automatic variables are not constants, but they are read-only. In monokai (default) color schema support.variable doesn't have color, so we use constant.
+      captures:
+        0: support.constant.automatic.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: '(\$)(?i:(ConfirmPreference|DebugPreference|ErrorActionPreference|ErrorView|FormatEnumerationLimit|MaximumAliasCount|MaximumDriveCount|MaximumErrorCount|MaximumFunctionCount|MaximumHistoryCount|MaximumVariableCount|OFS|OutputEncoding|ProgressPreference|PsCulture|PSDebugContext|PSDefaultParameterValues|PSEmailServer|PSItem|PSModuleAutoloadingPreference|PSSenderInfo|PSSessionApplicationName|PSSessionConfigurationName|PSSessionOption|VerbosePreference|WarningPreference|WhatIfPreference))((?:\.(?:\p{L}|\d|_)+)*\b)?\b'
+      comment: Style preference variables as language variables so that they stand out.
+      captures:
+        0: variable.language.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: '(?i:(\$|@)(global|local|private|script|using|workflow):((?:\p{L}|\d|_)+))((?:\.(?:\p{L}|\d|_)+)*\b)?'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: storage.modifier.scope.powershell
+        4: variable.other.member.powershell
+    - match: '(?i:(\$)(\{)(global|local|private|script|using|workflow):([^}]*[^}`])(\}))((?:\.(?:\p{L}|\d|_)+)*\b)?'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: punctuation.section.braces.begin.powershell
+        3: storage.modifier.scope.powershell
+        5: punctuation.section.braces.end.powershell
+        6: variable.other.member.powershell
+    - match: '(?i:(\$|@)((?:\p{L}|\d|_)+:)?((?:\p{L}|\d|_)+))((?:\.(?:\p{L}|\d|_)+)*\b)?'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: support.variable.drive.powershell
+        4: variable.other.member.powershell
+    - match: '(?i:(\$)(\{)((?:\p{L}|\d|_)+:)?([^}]*[^}`])(\}))((?:\.(?:\p{L}|\d|_)+)*\b)?'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: punctuation.section.braces.begin.powershell
+        3: support.variable.drive.powershell
+        5: punctuation.section.braces.end.powershell
+        6: variable.other.member.powershell
+  variableNoProperty:
+    - match: (\$)(?i:(False|Null|True))\b
+      comment: These are special constants.
+      captures:
+        0: constant.language.powershell
+        1: punctuation.definition.variable.powershell
+    - match: (\$)(?i:(Error|ExecutionContext|Host|Home|PID|PsHome|PsVersionTable|ShellID))\b
+      comment: These are the other built-in constants.
+      captures:
+        0: support.constant.variable.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: (\$)(?i:(\$|\^|\?|_|Args|ConsoleFileName|Event|EventArgs|EventSubscriber|ForEach|Input|LastExitCode|Matches|MyInvocation|NestedPromptLevel|Profile|PSBoundParameters|PsCmdlet|PsCulture|PSDebugContext|PSItem|PSCommandPath|PSScriptRoot|PsUICulture|Pwd|Sender|SourceArgs|SourceEventArgs|StackTrace|Switch|This))\b
+      comment: Automatic variables are not constants, but they are read-only...
+      captures:
+        0: support.variable.automatic.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: (\$)(?i:(ConfirmPreference|DebugPreference|ErrorActionPreference|ErrorView|FormatEnumerationLimit|MaximumAliasCount|MaximumDriveCount|MaximumErrorCount|MaximumFunctionCount|MaximumHistoryCount|MaximumVariableCount|OFS|OutputEncoding|ProgressPreference|PsCulture|PSDebugContext|PSDefaultParameterValues|PSEmailServer|PSItem|PSModuleAutoloadingPreference|PSSenderInfo|PSSessionApplicationName|PSSessionConfigurationName|PSSessionOption|VerbosePreference|WarningPreference|WhatIfPreference))\b
+      comment: Style preference variables as language variables so that they stand out.
+      captures:
+        0: variable.language.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: '(?i:(\$|@)(global|local|private|script|using|workflow):((?:\p{L}|\d|_)+))'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: storage.modifier.scope.powershell
+        4: variable.other.member.powershell
+    - match: '(?i:(\$)(\{)(global|local|private|script|using|workflow):([^}]*[^}`])(\}))'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: storage.modifier.scope.powershell
+        4: keyword.other.powershell
+        5: variable.other.member.powershell
+    - match: '(?i:(\$)((?:\p{L}|\d|_)+:)?((?:\p{L}|\d|_)+))'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: support.variable.drive.powershell
+        4: variable.other.member.powershell
+    - match: '(?i:(\$)(\{)((?:\p{L}|\d|_)+:)?([^}]*[^}`])(\}))'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: punctuation.section.braces.begin
+        3: support.variable.drive.powershell
+        5: punctuation.section.braces.end