273 lines
9.2 KiB
Python
273 lines
9.2 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
pygments.lexers.felix
|
|
~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Lexer for the Felix language.
|
|
|
|
:copyright: Copyright 2006-2020 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
|
|
|
|
__all__ = ['FelixLexer']
|
|
|
|
|
|
class FelixLexer(RegexLexer):
|
|
"""
|
|
For `Felix <http://www.felix-lang.org>`_ source code.
|
|
|
|
.. versionadded:: 1.2
|
|
"""
|
|
|
|
name = 'Felix'
|
|
aliases = ['felix', 'flx']
|
|
filenames = ['*.flx', '*.flxh']
|
|
mimetypes = ['text/x-felix']
|
|
|
|
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
|
|
(r'0[Bb][01_]+%s' % decimal_suffixes, Number.Bin),
|
|
# -- Octal
|
|
(r'0[0-7_]+%s' % decimal_suffixes, Number.Oct),
|
|
# -- Hexadecimal
|
|
(r'0[xX][0-9a-fA-F_]+%s' % decimal_suffixes, Number.Hex),
|
|
# -- Decimal
|
|
(r'(0|[1-9][0-9_]*)%s' % 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'(%s)\b' % '|'.join(name_builtins), Name.Builtin),
|
|
(r'(%s)\b' % '|'.join(name_pseudo), Name.Builtin.Pseudo),
|
|
(r'[a-zA-Z_]\w*', Name),
|
|
],
|
|
'whitespace': [
|
|
(r'\n', Text),
|
|
(r'\s+', Text),
|
|
|
|
include('comment'),
|
|
|
|
# Preprocessor
|
|
(r'#\s*if\s+0', Comment.Preproc, 'if0'),
|
|
(r'#', Comment.Preproc, 'macro'),
|
|
],
|
|
'operators': [
|
|
(r'(%s)\b' % '|'.join(operator_words), Operator.Word),
|
|
(r'!=|==|<<|>>|\|\||&&|[-~+/*%=<>&^|.$]', Operator),
|
|
],
|
|
'comment': [
|
|
(r'//(.*?)\n', 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', Comment, '#push'),
|
|
(r'^\s*#endif.*?(?<!\\)\n', Comment, '#pop'),
|
|
(r'.*?\n', Comment),
|
|
],
|
|
'macro': [
|
|
include('comment'),
|
|
(r'(import|include)(\s+)(<[^>]*?>)',
|
|
bygroups(Comment.Preproc, Text, String), '#pop'),
|
|
(r'(import|include)(\s+)("[^"]*?")',
|
|
bygroups(Comment.Preproc, Text, String), '#pop'),
|
|
(r"(import|include)(\s+)('[^']*?')",
|
|
bygroups(Comment.Preproc, Text, String), '#pop'),
|
|
(r'[^/\n]+', Comment.Preproc),
|
|
# (r'/[*](.|\n)*?[*]/', Comment),
|
|
# (r'//.*?\n', Comment, '#pop'),
|
|
(r'/', Comment.Preproc),
|
|
(r'(?<=\\)\n', Comment.Preproc),
|
|
(r'\n', Comment.Preproc, '#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')
|
|
],
|
|
}
|