diff -r a3cf077a8db3 -r 25f42e208e08 eric6/ThirdParty/Pygments/pygments/lexers/arrow.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/ThirdParty/Pygments/pygments/lexers/arrow.py Tue Sep 15 19:09:05 2020 +0200
@@ -0,0 +1,117 @@
+# -*- coding: utf-8 -*-
+"""
+ pygments.lexers.arrow
+ ~~~~~~~~~~~~~~~~~~~~~
+
+ Lexer for Arrow.
+
+ :copyright: Copyright 2006-2020 by the Pygments team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import RegexLexer, bygroups, default, include
+from pygments.token import Text, Operator, Keyword, Punctuation, Name, \
+ String, Number
+
+__all__ = ['ArrowLexer']
+
+TYPES = r'\b(int|bool|char)((?:\[\])*)(?=\s+)'
+IDENT = r'([a-zA-Z_][a-zA-Z0-9_]*)'
+DECL = TYPES + r'(\s+)' + IDENT
+
+
+class ArrowLexer(RegexLexer):
+ """
+ Lexer for Arrow: https://pypi.org/project/py-arrow-lang/
+
+ .. versionadded:: 2.7
+ """
+
+ name = 'Arrow'
+ aliases = ['arrow']
+ filenames = ['*.arw']
+
+ tokens = {
+ 'root': [
+ (r'\s+', Text),
+ (r'^[|\s]+', Punctuation),
+ include('blocks'),
+ include('statements'),
+ include('expressions'),
+ ],
+ 'blocks': [
+ (r'(function)(\n+)(/-->)(\s*)' +
+ DECL + # 4 groups
+ r'(\()', bygroups(
+ Keyword.Reserved, Text, Punctuation,
+ Text, Keyword.Type, Punctuation, Text,
+ Name.Function, Punctuation
+ ), 'fparams'),
+ (r'/-->$|\\-->$|/--<|\\--<|\^', Punctuation),
+ ],
+ 'statements': [
+ (DECL, bygroups(Keyword.Type, Punctuation, Text, Name.Variable)),
+ (r'\[', Punctuation, 'index'),
+ (r'=', Operator),
+ (r'require|main', Keyword.Reserved),
+ (r'print', Keyword.Reserved, 'print'),
+ ],
+ 'expressions': [
+ (r'\s+', Text),
+ (r'[0-9]+', Number.Integer),
+ (r'true|false', Keyword.Constant),
+ (r"'", String.Char, 'char'),
+ (r'"', String.Double, 'string'),
+ (r'\{', Punctuation, 'array'),
+ (r'==|!=|<|>|\+|-|\*|/|%', Operator),
+ (r'and|or|not|length', Operator.Word),
+ (r'(input)(\s+)(int|char\[\])', bygroups(
+ Keyword.Reserved, Text, Keyword.Type
+ )),
+ (IDENT + r'(\()', bygroups(
+ Name.Function, Punctuation
+ ), 'fargs'),
+ (IDENT, Name.Variable),
+ (r'\[', Punctuation, 'index'),
+ (r'\(', Punctuation, 'expressions'),
+ (r'\)', Punctuation, '#pop'),
+ ],
+ 'print': [
+ include('expressions'),
+ (r',', Punctuation),
+ default('#pop'),
+ ],
+ 'fparams': [
+ (DECL, bygroups(Keyword.Type, Punctuation, Text, Name.Variable)),
+ (r',', Punctuation),
+ (r'\)', Punctuation, '#pop'),
+ ],
+ 'escape': [
+ (r'\\(["\\/abfnrtv]|[0-9]{1,3}|x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4})',
+ String.Escape),
+ ],
+ 'char': [
+ (r"'", String.Char, '#pop'),
+ include('escape'),
+ (r"[^'\\]", String.Char),
+ ],
+ 'string': [
+ (r'"', String.Double, '#pop'),
+ include('escape'),
+ (r'[^"\\]+', String.Double),
+ ],
+ 'array': [
+ include('expressions'),
+ (r'\}', Punctuation, '#pop'),
+ (r',', Punctuation),
+ ],
+ 'fargs': [
+ include('expressions'),
+ (r'\)', Punctuation, '#pop'),
+ (r',', Punctuation),
+ ],
+ 'index': [
+ include('expressions'),
+ (r'\]', Punctuation, '#pop'),
+ ],
+ }
