109 lines
3.5 KiB
Python
109 lines
3.5 KiB
Python
"""
|
|
pygments.lexers.func
|
|
~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Lexers for FunC.
|
|
|
|
:copyright: Copyright 2006-2023 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']
|
|
|
|
# 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),
|
|
]
|
|
}
|