New syntax def

Support/PowerShell.sublime-syntax

@@ -0,0 +1,162 @@
+%YAML 1.2
+---
+
+name: PowerShell
+file_extensions: [ps1, psm1, psd1]
+scope: source.powershell
+
+contexts:
+  main:
+    - match: \b(if|else|for|while)\b
+      scope: keyword.control.powershell
+    - include: requires-statement
+    - include: comment-line
+    - match: "<#"
+      scope: start.definition.comment.block.powershell
+      push: comment-block
+    - match: \{
+      scope: start.definition.script-block.powershell
+      push: script-block
+    - include: operators-all
+    - include: variables
+    - include: strings
+
+  comment-block:
+    - meta_scope: comment.block.powershell
+    - match: "#>"
+      scope: end.definition.comment.block.powershell
+      pop: true 
+    - match: (?i)^\s*(\.)(synopsis|description|example|inputs|outputs|notes|link|component|functionality)
+      scope: embedded.documentation.title.powershell
+      captures:
+        1: keyword.embedded.documentation.title.start.powershell
+        2: constant.numeric.embedded.documentation.title.name.powershell
+    - match: (?i)^\s*(\.)(parameter|forwardhelptargetname|forwardhelpcategory|remotehelprunspace|externalhelp)\s+([a-z0-9-_]+)
+      scope: embedded.documentation.title.powershell
+      captures:
+        1: keyword.embedded.documentation.title.start.powershell
+        2: constant.numeric.embedded.documentation.title.name.powershell
+        3: keyword.embedded.documentation.title.argument.powershell
+
+  script-block:
+    - include: main
+    - meta_scope: script-block.powershell
+    - match: \}
+      scope: end.definition.script-block.powershell
+      pop: true 
+
+  variables:
+    - match: (?i)(\$)\b(true|false)\b
+      scope: variable.powershell
+      captures:
+        1: keyword.start.variable.name.powershell
+        2: constant.numeric.variable.name.powershell
+    - match: (?i)(\$)(?:(script|global):)?([\w_]+)
+      scope: variable.powershell
+      captures:
+        1: keyword.start.variable.name.powershell
+        2: support.function.variable.scope.powershell
+        3: variable.name.powershell
+    - match: \$\{ 
+      scope: keyword.start.variable.name.powershell
+      push: variable-name-long
+
+  variable-name-long:
+    - meta_scope: variable.powershell
+    - match: "(?i)(script|global):"
+      captures:
+        1: support.function.variable.scope.powershell
+    - match: "[^}]+"
+      scope: variable.name.powershell
+    - match: \}
+      scope: keyword.end.variable.name.powershell
+      pop: true 
+
+  strings:
+    - match: "@'"
+      push: string-heredoc-single-quoted
+    - match: '@"'
+      push: string-heredoc-double-quoted
+    - match: '"'
+      push: string-double-quoted
+    - match: "'"
+      push: string-single-quoted
+
+  string-double-quoted:
+    - meta_scope: string.quoted.double.powershell
+    - match: '"'
+      pop: true
+    - include: string-interpolation
+    - include: variables
+    - include: string-double-quoted-escape-sequences
+
+  string-single-quoted:
+    - meta_scope: string.quoted.single.powershell
+    - match: "'"
+      pop: true
+    - include: string-double-quoted-escape-sequences
+    - include: variables
+
+  string-heredoc-single-quoted:
+    - meta_scope: string.heredoc.single.quoted.powershell
+    - include: variables
+    - match: "''"
+      scope: constant.character.escape.powershell
+    - match: "'@"
+      pop: true
+
+  string-heredoc-double-quoted:
+    - meta_scope: string.heredoc.double.quoted.powershell
+    - include: variables
+    - match: "`."
+    - match: '"@'
+      pop: true
+
+  string-double-quoted-escape-sequences:
+    - match: "`[0abnfrvt\"'$`]"
+      scope: constant.character.escape.powershell
+
+  string-interpolation:
+    - match: \$\(
+      scope: keyword.start.interpolated.subexpression.powershell
+      push: string-interpolation-subexpression
+
+  string-interpolation-subexpression:
+    - meta_scope: string.interpolated.content.powershell
+    - include: main
+    - match: \)
+      scope: keyword.end.interpolated.subexpression.powershell
+      pop: true
+
+  operators-logical:
+    - match: (?<!\w)-([ci]?[lg][te]|eq|ne)
+      scope: keyword.operator.logical.powershell
+
+  comment-line:
+    - match: (?<![\\-])#.*$
+      scope: comment.line.number-sign.powershell
+
+  requires-statement:
+    - match: (?i)^\s*(#)(requires)\s+-(Version\s+\d(.\d+)?|Assembly\s+(.*)|Module\s+(.*)|PsSnapIn\s+(.*)|ShellId\s+(.*))
+      scope: comment.requires.statement.powershell
+      captures:
+        1: comment.start.requires.statement.powershell
+        2: keyword.requires.powershell
+
+  operators-all:
+    - include: operators-comparison
+    - include: operators-comparison-more
+    - include: operators-unary
+    - include: operators-logical
+
+  operators-comparison:
+      - match: (?i)(?<!\w)-(?i:is(?:not)?|as)\b
+        scope: keyword.operator.comparison.powershell
+
+  operators-comparison-more: 
+      - match: (?i)(?<!\w)-[ic]?(?:eq|ne|[gl][te]|(?:not)?(?:like|match|contains|in)|replace)(?!\p{L})
+        scope: keyword.operator.comparison.powershell
+
+  operators-unary:
+      - match: (?i)(?<!\w)-(?:join|split)(?!\p{L})|!
+        scope: keyword.operator.unary.powershell

Support/PowershellSyntax.tmLanguage → Support/PowershellSyntax.tmLanguage_

@@ -246,7 +246,7 @@
 		</dict>
 		<dict>
 			<key>match</key>
-			<string>(?&lt;!\w)((?i:begin|break|catch|continue|data|define|do|dynamicparam|else|elseif|end|exit|finally|for|foreach(?!-object)|from|if|in|inlinescript|parallel|param|process|return|switch|throw|trap|try|until|using|var|where(?!=-object)|while)|%|\?)(?!\w)</string>
+			<string>(?&lt;!\w)((?i:begin|break|catch|continue|data|define|do|dynamicparam|else|elseif|end|exit|filter|finally|for|foreach(?!-object)|from|if|in|inlinescript|parallel|param|process|return|switch|throw|trap|try|until|using|var|where(?!=-object)|while)|%|\?)(?!\w)</string>
 			<key>name</key>
 			<string>keyword.control.powershell</string>
 		</dict>
@@ -522,7 +522,7 @@
 		<key>function</key>
 		<dict>
 			<key>begin</key>
-			<string>((?i:function|filter|configuration|workflow))\s+((?:\p{L}|\d|_|-|\.)+)</string>
+			<string>((?i:function|configuration|workflow))\s+((?:\p{L}|\d|_|-|\.)+)</string>
 			<key>beginCaptures</key>
 			<dict>
 				<key>0</key>

Support/syntax_test_PowerShell.sublime-syntax

@@ -0,0 +1,56 @@
+// SYNTAX TEST "Packages/PowerShell/Support/PowerShell.sublime-syntax"
+
+// <- source.powershell
+
+if ($True) { "huzza!" }
+// <- keyword.control.powershell
+
+// Tests for variables =======================================
+
+$foo
+// <- keyword.start.variable.name.powershell
+ // <- variable.powershell variable.name.powershell
+
+${ I'm a variable name }
+// <- keyword.start.variable.name.powershell
+  // <- variable.powershell variable.name.powershell
+
+$script:foo
+ // <- support.function.variable.scope.powershell
+
+${global: I'm a variable name }
+  // <- support.function.variable.scope.powershell
+
+// Tests for script blocks =======================================
+
+{  }
+// <- start.definition.script-block.powershell
+//^ script-block.powershell
+
+{ { } }
+// ^ script-block.powershell script-block.powershell
+
+// Tests for block comments =======================================
+
+<#
+// <- source.powershell start.definition.comment.block.powershell
+  // <- source.powershell comment.block.powershell
+	foo
+// <- source.powershell comment.block.powershell
+#>
+// <- source.powershell end.definition.comment.block.powershell
+  // <- source.powershell
+
+<#
+	.HELLO
+	// <- source.powershell comment.block.powershell
+
+	.SYNOPSIS
+	// <- keyword.embedded.documentation.title.start.powershell
+
+    .description
+//   ^ constant.numeric.embedded.documentation.title.name.powershell
+
+    .parameter foo
+//             ^ keyword.embedded.documentation.title.argument.powershell
+#>