Mini Shell
"""
pygments.lexers.felix
~~~~~~~~~~~~~~~~~~~~~
Lexer for the Felix language.
:copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, include, bygroups, default, words, \
combined
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation, Whitespace
__all__ = ['FelixLexer']
class FelixLexer(RegexLexer):
"""
For Felix source code.
"""
name = 'Felix'
url = 'http://www.felix-lang.org'
aliases = ['felix', 'flx']
filenames = ['*.flx', '*.flxh']
mimetypes = ['text/x-felix']
version_added = '1.2'
preproc = (
'elif', 'else', 'endif', 'if', 'ifdef', 'ifndef',
)
keywords = (
'_', '_deref', 'all', 'as',
'assert', 'attempt', 'call', 'callback', 'case', 'caseno', 'cclass',
'code', 'compound', 'ctypes', 'do', 'done', 'downto', 'elif', 'else',
'endattempt', 'endcase', 'endif', 'endmatch', 'enum', 'except',
'exceptions', 'expect', 'finally', 'for', 'forall', 'forget', 'fork',
'functor', 'goto', 'ident', 'if', 'incomplete', 'inherit', 'instance',
'interface', 'jump', 'lambda', 'loop', 'match', 'module', 'namespace',
'new', 'noexpand', 'nonterm', 'obj', 'of', 'open', 'parse', 'raise',
'regexp', 'reglex', 'regmatch', 'rename', 'return', 'the', 'then',
'to', 'type', 'typecase', 'typedef', 'typematch', 'typeof', 'upto',
'when', 'whilst', 'with', 'yield',
)
keyword_directives = (
'_gc_pointer', '_gc_type', 'body', 'comment', 'const', 'export',
'header', 'inline', 'lval', 'macro', 'noinline', 'noreturn',
'package', 'private', 'pod', 'property', 'public', 'publish',
'requires', 'todo', 'virtual', 'use',
)
keyword_declarations = (
'def', 'let', 'ref', 'val', 'var',
)
keyword_types = (
'unit', 'void', 'any', 'bool',
'byte', 'offset',
'address', 'caddress', 'cvaddress', 'vaddress',
'tiny', 'short', 'int', 'long', 'vlong',
'utiny', 'ushort', 'vshort', 'uint', 'ulong', 'uvlong',
'int8', 'int16', 'int32', 'int64',
'uint8', 'uint16', 'uint32', 'uint64',
'float', 'double', 'ldouble',
'complex', 'dcomplex', 'lcomplex',
'imaginary', 'dimaginary', 'limaginary',
'char', 'wchar', 'uchar',
'charp', 'charcp', 'ucharp', 'ucharcp',
'string', 'wstring', 'ustring',
'cont',
'array', 'varray', 'list',
'lvalue', 'opt', 'slice',
)
keyword_constants = (
'false', 'true',
)
operator_words = (
'and', 'not', 'in', 'is', 'isin', 'or', 'xor',
)
name_builtins = (
'_svc', 'while',
)
name_pseudo = (
'root', 'self', 'this',
)
decimal_suffixes = '([tTsSiIlLvV]|ll|LL|([iIuU])(8|16|32|64))?'
tokens = {
'root': [
include('whitespace'),
# Keywords
(words(('axiom', 'ctor', 'fun', 'gen', 'proc', 'reduce',
'union'), suffix=r'\b'),
Keyword, 'funcname'),
(words(('class', 'cclass', 'cstruct', 'obj', 'struct'), suffix=r'\b'),
Keyword, 'classname'),
(r'(instance|module|typeclass)\b', Keyword, 'modulename'),
(words(keywords, suffix=r'\b'), Keyword),
(words(keyword_directives, suffix=r'\b'), Name.Decorator),
(words(keyword_declarations, suffix=r'\b'), Keyword.Declaration),
(words(keyword_types, suffix=r'\b'), Keyword.Type),
(words(keyword_constants, suffix=r'\b'), Keyword.Constant),
# Operators
include('operators'),
# Float Literal
# -- Hex Float
(r'0[xX]([0-9a-fA-F_]*\.[0-9a-fA-F_]+|[0-9a-fA-F_]+)'
r'[pP][+\-]?[0-9_]+[lLfFdD]?', Number.Float),
# -- DecimalFloat
(r'[0-9_]+(\.[0-9_]+[eE][+\-]?[0-9_]+|'
r'\.[0-9_]*|[eE][+\-]?[0-9_]+)[lLfFdD]?', Number.Float),
(r'\.(0|[1-9][0-9_]*)([eE][+\-]?[0-9_]+)?[lLfFdD]?',
Number.Float),
# IntegerLiteral
# -- Binary
(rf'0[Bb][01_]+{decimal_suffixes}', Number.Bin),
# -- Octal
(rf'0[0-7_]+{decimal_suffixes}', Number.Oct),
# -- Hexadecimal
(rf'0[xX][0-9a-fA-F_]+{decimal_suffixes}', Number.Hex),
# -- Decimal
(rf'(0|[1-9][0-9_]*){decimal_suffixes}', Number.Integer),
# Strings
('([rR][cC]?|[cC][rR])"""', String, 'tdqs'),
("([rR][cC]?|[cC][rR])'''", String, 'tsqs'),
('([rR][cC]?|[cC][rR])"', String, 'dqs'),
("([rR][cC]?|[cC][rR])'", String, 'sqs'),
('[cCfFqQwWuU]?"""', String, combined('stringescape', 'tdqs')),
("[cCfFqQwWuU]?'''", String, combined('stringescape', 'tsqs')),
('[cCfFqQwWuU]?"', String, combined('stringescape', 'dqs')),
("[cCfFqQwWuU]?'", String, combined('stringescape', 'sqs')),
# Punctuation
(r'[\[\]{}:(),;?]', Punctuation),
# Labels
(r'[a-zA-Z_]\w*:>', Name.Label),
# Identifiers
(r'({})\b'.format('|'.join(name_builtins)), Name.Builtin),
(r'({})\b'.format('|'.join(name_pseudo)), Name.Builtin.Pseudo),
(r'[a-zA-Z_]\w*', Name),
],
'whitespace': [
(r'\s+', Whitespace),
include('comment'),
# Preprocessor
(r'(#)(\s*)(if)(\s+)(0)',
bygroups(Comment.Preproc, Whitespace, Comment.Preproc,
Whitespace, Comment.Preproc), 'if0'),
(r'#', Comment.Preproc, 'macro'),
],
'operators': [
(r'({})\b'.format('|'.join(operator_words)), Operator.Word),
(r'!=|==|<<|>>|\|\||&&|[-~+/*%=<>&^|.$]', Operator),
],
'comment': [
(r'//(.*?)$', Comment.Single),
(r'/[*]', Comment.Multiline, 'comment2'),
],
'comment2': [
(r'[^/*]', Comment.Multiline),
(r'/[*]', Comment.Multiline, '#push'),
(r'[*]/', Comment.Multiline, '#pop'),
(r'[/*]', Comment.Multiline),
],
'if0': [
(r'^(\s*)(#if.*?(?<!\\))(\n)',
bygroups(Whitespace, Comment, Whitespace), '#push'),
(r'^(\s*)(#endif.*?(?<!\\))(\n)',
bygroups(Whitespace, Comment, Whitespace), '#pop'),
(r'(.*?)(\n)', bygroups(Comment, Whitespace)),
],
'macro': [
include('comment'),
(r'(import|include)(\s+)(<[^>]*?>)',
bygroups(Comment.Preproc, Whitespace, String), '#pop'),
(r'(import|include)(\s+)("[^"]*?")',
bygroups(Comment.Preproc, Whitespace, String), '#pop'),
(r"(import|include)(\s+)('[^']*?')",
bygroups(Comment.Preproc, Whitespace, String), '#pop'),
(r'[^/\n]+', Comment.Preproc),
# (r'/[*](.|\n)*?[*]/', Comment),
# (r'//.*?\n', Comment, '#pop'),
(r'/', Comment.Preproc),
(r'(?<=\\)\n', Comment.Preproc),
(r'\n', Whitespace, '#pop'),
],
'funcname': [
include('whitespace'),
(r'[a-zA-Z_]\w*', Name.Function, '#pop'),
# anonymous functions
(r'(?=\()', Text, '#pop'),
],
'classname': [
include('whitespace'),
(r'[a-zA-Z_]\w*', Name.Class, '#pop'),
# anonymous classes
(r'(?=\{)', Text, '#pop'),
],
'modulename': [
include('whitespace'),
(r'\[', Punctuation, ('modulename2', 'tvarlist')),
default('modulename2'),
],
'modulename2': [
include('whitespace'),
(r'([a-zA-Z_]\w*)', Name.Namespace, '#pop:2'),
],
'tvarlist': [
include('whitespace'),
include('operators'),
(r'\[', Punctuation, '#push'),
(r'\]', Punctuation, '#pop'),
(r',', Punctuation),
(r'(with|where)\b', Keyword),
(r'[a-zA-Z_]\w*', Name),
],
'stringescape': [
(r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
],
'strings': [
(r'%(\([a-zA-Z0-9]+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
'[hlL]?[E-GXc-giorsux%]', String.Interpol),
(r'[^\\\'"%\n]+', String),
# quotes, percents and backslashes must be parsed one at a time
(r'[\'"\\]', String),
# unhandled string formatting sign
(r'%', String)
# newlines are an error (use "nl" state)
],
'nl': [
(r'\n', String)
],
'dqs': [
(r'"', String, '#pop'),
# included here again for raw strings
(r'\\\\|\\"|\\\n', String.Escape),
include('strings')
],
'sqs': [
(r"'", String, '#pop'),
# included here again for raw strings
(r"\\\\|\\'|\\\n", String.Escape),
include('strings')
],
'tdqs': [
(r'"""', String, '#pop'),
include('strings'),
include('nl')
],
'tsqs': [
(r"'''", String, '#pop'),
include('strings'),
include('nl')
],
}
Zerion Mini Shell 1.0