From 2644f58a9c43e19acb9825a3158480fe10124805 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Thu, 1 Feb 2018 21:16:57 +0100
Subject: missing lexer file

---
 exts/tslex.py | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 exts/tslex.py

(limited to 'exts')

diff --git a/exts/tslex.py b/exts/tslex.py
new file mode 100644
index 00000000..2be6f29f
--- /dev/null
+++ b/exts/tslex.py
@@ -0,0 +1,88 @@
+from pygments.token import *
+from pygments.lexer import RegexLexer, ExtendedRegexLexer, bygroups, using, \
+     include, this
+import re
+
+class BetterTypeScriptLexer(RegexLexer):
+    """
+    For `TypeScript <https://www.typescriptlang.org/>`_ source code.
+    """
+
+    name = 'TypeScript'
+    aliases = ['ts']
+    filenames = ['*.ts']
+    mimetypes = ['text/x-typescript']
+
+    flags = re.DOTALL
+    tokens = {
+        'commentsandwhitespace': [
+            (r'\s+', Text),
+            (r'<!--', Comment),
+            (r'//.*?\n', Comment.Single),
+            (r'/\*.*?\*/', Comment.Multiline)
+        ],
+        'slashstartsregex': [
+            include('commentsandwhitespace'),
+            (r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
+             r'([gim]+\b|\B)', String.Regex, '#pop'),
+            (r'(?=/)', Text, ('#pop', 'badregex')),
+            (r'', Text, '#pop')
+        ],
+        'badregex': [
+            (r'\n', Text, '#pop')
+        ],
+        'typeexp': [
+            (r'[a-zA-Z]+', Keyword.Type),
+            (r'\s+', Text),
+            (r'[|]', Text),
+            (r'\n', Text, "#pop"),
+            (r';', Text, "#pop"),
+            (r'', Text, "#pop"),
+        ],
+        'root': [
+            (r'^(?=\s|/|<!--)', Text, 'slashstartsregex'),
+            include('commentsandwhitespace'),
+            (r'\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|'
+             r'(<<|>>>?|==?|!=?|[-<>+*%&\|\^/])=?', Operator, 'slashstartsregex'),
+            (r'[{(\[;,]', Punctuation, 'slashstartsregex'),
+            (r'[})\].]', Punctuation),
+            (r'(for|in|while|do|break|return|continue|switch|case|default|if|else|'
+             r'throw|try|catch|finally|new|delete|typeof|instanceof|void|'
+             r'this)\b', Keyword, 'slashstartsregex'),
+            (r'(var|let|const|with|function)\b', Keyword.Declaration, 'slashstartsregex'),
+            (r'(abstract|boolean|byte|char|class|const|debugger|double|enum|export|'
+             r'extends|final|float|goto|implements|import|int|interface|long|native|'
+             r'package|private|protected|public|short|static|super|synchronized|throws|'
+             r'transient|volatile)\b', Keyword.Reserved),
+            (r'(true|false|null|NaN|Infinity|undefined)\b', Keyword.Constant),
+            (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
+             r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
+             r'decodeURIComponent|encodeURI|encodeURIComponent|'
+             r'Error|eval|isFinite|isNaN|parseFloat|parseInt|document|this|'
+             r'window)\b', Name.Builtin),
+            # Match stuff like: module name {...}
+            (r'\b(module)(\s*)(\s*[a-zA-Z0-9_?.$][\w?.$]*)(\s*)',
+             bygroups(Keyword.Reserved, Text, Name.Other, Text), 'slashstartsregex'),
+            # Match variable type keywords
+            (r'\b(string|bool|number)\b', Keyword.Type),
+            # Match stuff like: constructor
+            (r'\b(constructor|declare|interface|as|AS)\b', Keyword.Reserved),
+            # Match stuff like: super(argument, list)
+            (r'(super)(\s*)\(([a-zA-Z0-9,_?.$\s]+\s*)\)',
+             bygroups(Keyword.Reserved, Text), 'slashstartsregex'),
+            # Match stuff like: function() {...}
+            (r'([a-zA-Z_?.$][\w?.$]*)\(\) \{', Name.Other, 'slashstartsregex'),
+            # Match stuff like: (function: return type)
+            (r'([a-zA-Z0-9_?.$][\w?.$]*)(\s*:\s*)([a-zA-Z0-9_?.$][\w?.$]*)',
+             bygroups(Name.Other, Text, Keyword.Type)),
+            # Match stuff like: type Foo = Bar | Baz
+            (r'\b(type)(\s*)([a-zA-Z0-9_?.$]+)(\s*)(=)(\s*)',
+             bygroups(Keyword.Reserved, Text, Name.Other, Text, Operator, Text), 'typeexp'),
+            (r'[$a-zA-Z_][a-zA-Z0-9_]*', Name.Other),
+            (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
+            (r'0x[0-9a-fA-F]+', Number.Hex),
+            (r'[0-9]+', Number.Integer),
+            (r'"(\\\\|\\"|[^"])*"', String.Double),
+            (r"'(\\\\|\\'|[^'])*'", String.Single),
+        ]
+    }
-- 
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