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111 lines
3.6 KiB
Python
111 lines
3.6 KiB
Python
"""
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pygments.lexers.func
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~~~~~~~~~~~~~~~~~~~~
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Lexers for FunC.
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:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, include, words
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Whitespace, Punctuation
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__all__ = ['FuncLexer']
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class FuncLexer(RegexLexer):
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"""
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For FunC source code.
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"""
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name = 'FunC'
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aliases = ['func', 'fc']
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filenames = ['*.fc', '*.func']
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url = 'https://docs.ton.org/develop/func/overview'
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version_added = ''
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# 1. Does not start from "
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# 2. Can start from ` and end with `, containing any character
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# 3. Starts with underscore or { or } and have more than 1 character after it
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# 4. Starts with letter, contains letters, numbers and underscores
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identifier = r'(?!")(`([^`]+)`|((?=_)_|(?=\{)\{|(?=\})\}|(?![_`{}]))([^;,\[\]\(\)\s~.]+))'
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tokens = {
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'root': [
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(r'\n', Whitespace),
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(r'\s+', Whitespace),
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include('keywords'),
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include('strings'),
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include('directives'),
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include('numeric'),
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include('comments'),
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include('storage'),
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include('functions'),
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include('variables'),
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(r'[.;(),\[\]~{}]', Punctuation)
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],
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'keywords': [
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(words((
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'<=>', '>=', '<=', '!=', '==', '^>>', '~>>',
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'>>', '<<', '/%', '^%', '~%', '^/', '~/', '+=',
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'-=', '*=', '/=', '~/=', '^/=', '%=', '^%=', '<<=',
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'>>=', '~>>=', '^>>=', '&=', '|=', '^=', '^', '=',
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'~', '/', '%', '-', '*', '+','>',
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'<', '&', '|', ':', '?'), prefix=r'(?<=\s)', suffix=r'(?=\s)'),
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Operator),
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(words((
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'if', 'ifnot',
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'else', 'elseif', 'elseifnot',
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'while', 'do', 'until', 'repeat',
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'return', 'impure', 'method_id',
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'forall', 'asm', 'inline', 'inline_ref'), prefix=r'\b', suffix=r'\b'),
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Keyword),
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(words(('true', 'false'), prefix=r'\b', suffix=r'\b'), Keyword.Constant),
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],
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'directives': [
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(r'#include|#pragma', Keyword, 'directive'),
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],
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'directive': [
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include('strings'),
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(r'\s+', Whitespace),
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(r'version|not-version', Keyword),
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(r'(>=|<=|=|>|<|\^)?([0-9]+)(.[0-9]+)?(.[0-9]+)?', Number), # version
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(r';', Text, '#pop')
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],
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'strings': [
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(r'\"([^\n\"]+)\"[Hhcusa]?', String),
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],
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'numeric': [
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(r'\b(-?(?!_)([\d_]+|0x[\d_a-fA-F]+)|0b[1_0]+)(?<!_)(?=[\s\)\],;])', Number)
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],
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'comments': [
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(r';;([^\n]*)', Comment.Singleline),
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(r'\{-', Comment.Multiline, 'comment'),
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],
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'comment': [
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(r'[^-}{]+', Comment.Multiline),
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(r'\{-', Comment.Multiline, '#push'),
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(r'-\}', Comment.Multiline, '#pop'),
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(r'[-}{]', Comment.Multiline),
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],
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'storage': [
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(words((
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'var', 'int', 'slice', 'tuple',
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'cell', 'builder', 'cont', '_'),
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prefix=r'\b', suffix=r'(?=[\s\(\),\[\]])'),
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Keyword.Type),
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(words(('global', 'const'), prefix=r'\b', suffix=r'\b'), Keyword.Constant),
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],
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'variables': [
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(identifier, Name.Variable),
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],
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'functions': [
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# identifier followed by (
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(identifier + r'(?=[\(])', Name.Function),
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]
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}
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