second commit

env/lib/python3.11/site-packages/pygments/lexers/func.py

@@ -0,0 +1,110 @@
+"""
+    pygments.lexers.func
+    ~~~~~~~~~~~~~~~~~~~~
+
+    Lexers for FunC.
+
+    :copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import RegexLexer, include, words
+from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
+    Number, Whitespace, Punctuation
+
+__all__ = ['FuncLexer']
+
+
+class FuncLexer(RegexLexer):
+    """
+    For FunC source code.
+    """
+
+    name = 'FunC'
+    aliases = ['func', 'fc']
+    filenames = ['*.fc', '*.func']
+    url = 'https://docs.ton.org/develop/func/overview'
+    version_added = ''
+
+    # 1. Does not start from "
+    # 2. Can start from ` and end with `, containing any character
+    # 3. Starts with underscore or { or } and have more than 1 character after it
+    # 4. Starts with letter, contains letters, numbers and underscores
+    identifier = r'(?!")(`([^`]+)`|((?=_)_|(?=\{)\{|(?=\})\}|(?![_`{}]))([^;,\[\]\(\)\s~.]+))'
+
+    tokens = {
+        'root': [
+            (r'\n', Whitespace),
+            (r'\s+', Whitespace),
+
+            include('keywords'),
+            include('strings'),
+            include('directives'),
+            include('numeric'),
+            include('comments'),
+            include('storage'),
+            include('functions'),
+            include('variables'),
+
+            (r'[.;(),\[\]~{}]', Punctuation)
+        ],
+        'keywords': [
+            (words((
+                '<=>', '>=', '<=', '!=', '==', '^>>', '~>>',
+                '>>', '<<', '/%', '^%', '~%', '^/', '~/', '+=',
+                '-=', '*=', '/=', '~/=', '^/=', '%=', '^%=', '<<=',
+                '>>=', '~>>=', '^>>=', '&=', '|=', '^=', '^', '=',
+                '~', '/', '%', '-', '*', '+','>',
+                '<', '&', '|', ':', '?'), prefix=r'(?<=\s)', suffix=r'(?=\s)'),
+             Operator),
+            (words((
+                'if', 'ifnot',
+                'else', 'elseif', 'elseifnot',
+                'while', 'do', 'until', 'repeat',
+                'return', 'impure', 'method_id',
+                'forall', 'asm', 'inline', 'inline_ref'), prefix=r'\b', suffix=r'\b'),
+             Keyword),
+            (words(('true', 'false'), prefix=r'\b', suffix=r'\b'), Keyword.Constant),
+        ],
+        'directives': [
+            (r'#include|#pragma', Keyword, 'directive'),
+        ],
+        'directive': [
+            include('strings'),
+            (r'\s+', Whitespace),
+            (r'version|not-version', Keyword),
+            (r'(>=|<=|=|>|<|\^)?([0-9]+)(.[0-9]+)?(.[0-9]+)?', Number), # version
+            (r';', Text, '#pop')
+        ],
+        'strings': [
+            (r'\"([^\n\"]+)\"[Hhcusa]?', String),
+        ],
+        'numeric': [
+            (r'\b(-?(?!_)([\d_]+|0x[\d_a-fA-F]+)|0b[1_0]+)(?<!_)(?=[\s\)\],;])', Number)
+        ],
+        'comments': [
+            (r';;([^\n]*)', Comment.Singleline),
+            (r'\{-', Comment.Multiline, 'comment'),
+        ],
+        'comment': [
+            (r'[^-}{]+', Comment.Multiline),
+            (r'\{-', Comment.Multiline, '#push'),
+            (r'-\}', Comment.Multiline, '#pop'),
+            (r'[-}{]', Comment.Multiline),
+        ],
+        'storage': [
+            (words((
+                'var', 'int', 'slice', 'tuple',
+                'cell', 'builder', 'cont', '_'),
+                prefix=r'\b', suffix=r'(?=[\s\(\),\[\]])'),
+             Keyword.Type),
+            (words(('global', 'const'), prefix=r'\b', suffix=r'\b'), Keyword.Constant),
+        ],
+        'variables': [
+            (identifier, Name.Variable),
+        ],
+        'functions': [
+            # identifier followed by (
+            (identifier + r'(?=[\(])', Name.Function),
+        ]
+    }