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Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/pygments/lexers/csound.py

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# -*- coding: utf-8 -*-
"""
pygments.lexers.csound
~~~~~~~~~~~~~~~~~~~~~~
Lexers for Csound languages.
:copyright: Copyright 2006-2020 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from pygments.lexer import RegexLexer, bygroups, default, include, using, words
from pygments.token import Comment, Error, Keyword, Name, Number, Operator, Punctuation, \
String, Text, Whitespace
from pygments.lexers._csound_builtins import OPCODES, DEPRECATED_OPCODES
from pygments.lexers.html import HtmlLexer
from pygments.lexers.python import PythonLexer
from pygments.lexers.scripting import LuaLexer
__all__ = ['CsoundScoreLexer', 'CsoundOrchestraLexer', 'CsoundDocumentLexer']
newline = (r'((?:(?:;|//).*)*)(\n)', bygroups(Comment.Single, Text))
class CsoundLexer(RegexLexer):
tokens = {
'whitespace': [
(r'[ \t]+', Text),
(r'/[*](?:.|\n)*?[*]/', Comment.Multiline),
(r'(?:;|//).*$', Comment.Single),
(r'(\\)(\n)', bygroups(Whitespace, Text))
],
'preprocessor directives': [
(r'#(?:e(?:nd(?:if)?|lse)\b|##)|@@?[ \t]*\d+', Comment.Preproc),
(r'#includestr', Comment.Preproc, 'includestr directive'),
(r'#include', Comment.Preproc, 'include directive'),
(r'#[ \t]*define', Comment.Preproc, 'define directive'),
(r'#(?:ifn?def|undef)\b', Comment.Preproc, 'macro directive')
],
'include directive': [
include('whitespace'),
(r'([^ \t]).*?\1', String, '#pop')
],
'includestr directive': [
include('whitespace'),
(r'"', String, ('#pop', 'quoted string'))
],
'define directive': [
(r'\n', Text),
include('whitespace'),
(r'([A-Z_a-z]\w*)(\()', bygroups(Comment.Preproc, Punctuation),
('#pop', 'macro parameter name list')),
(r'[A-Z_a-z]\w*', Comment.Preproc, ('#pop', 'before macro body'))
],
'macro parameter name list': [
include('whitespace'),
(r'[A-Z_a-z]\w*', Comment.Preproc),
(r"['#]", Punctuation),
(r'\)', Punctuation, ('#pop', 'before macro body'))
],
'before macro body': [
(r'\n', Text),
include('whitespace'),
(r'#', Punctuation, ('#pop', 'macro body'))
],
'macro body': [
(r'(?:\\(?!#)|[^#\\]|\n)+', Comment.Preproc),
(r'\\#', Comment.Preproc),
(r'(?<!\\)#', Punctuation, '#pop')
],
'macro directive': [
include('whitespace'),
(r'[A-Z_a-z]\w*', Comment.Preproc, '#pop')
],
'macro uses': [
(r'(\$[A-Z_a-z]\w*\.?)(\()', bygroups(Comment.Preproc, Punctuation),
'macro parameter value list'),
(r'\$[A-Z_a-z]\w*(?:\.|\b)', Comment.Preproc)
],
'macro parameter value list': [
(r'(?:[^\'#"{()]|\{(?!\{))+', Comment.Preproc),
(r"['#]", Punctuation),
(r'"', String, 'macro parameter value quoted string'),
(r'\{\{', String, 'macro parameter value braced string'),
(r'\(', Comment.Preproc, 'macro parameter value parenthetical'),
(r'\)', Punctuation, '#pop')
],
'macro parameter value quoted string': [
(r"\\[#'()]", Comment.Preproc),
(r"[#'()]", Error),
include('quoted string')
],
'macro parameter value braced string': [
(r"\\[#'()]", Comment.Preproc),
(r"[#'()]", Error),
include('braced string')
],
'macro parameter value parenthetical': [
(r'(?:[^\\()]|\\\))+', Comment.Preproc),
(r'\(', Comment.Preproc, '#push'),
(r'\)', Comment.Preproc, '#pop')
],
'whitespace and macro uses': [
include('whitespace'),
include('macro uses')
],
'numbers': [
(r'\d+[Ee][+-]?\d+|(\d+\.\d*|\d*\.\d+)([Ee][+-]?\d+)?', Number.Float),
(r'(0[Xx])([0-9A-Fa-f]+)', bygroups(Keyword.Type, Number.Hex)),
(r'\d+', Number.Integer)
],
'quoted string': [
(r'"', String, '#pop'),
(r'[^"$]+', String),
include('macro uses'),
(r'[$]', String)
],
'braced string': [
# Do nothing. This must be defined in subclasses.
]
}
class CsoundScoreLexer(CsoundLexer):
"""
For `Csound <https://csound.com>`_ scores.
.. versionadded:: 2.1
"""
name = 'Csound Score'
aliases = ['csound-score', 'csound-sco']
filenames = ['*.sco']
tokens = {
'root': [
(r'\n', Text),
include('whitespace and macro uses'),
include('preprocessor directives'),
(r'[aBbCdefiqstvxy]', Keyword),
# There is also a w statement that is generated internally and should not be
# used; see https://github.com/csound/csound/issues/750.
(r'z', Keyword.Constant),
# z is a constant equal to 800,000,000,000. 800 billion seconds is about
# 25,367.8 years. See also
# https://csound.com/docs/manual/ScoreTop.html and
# https://github.com/csound/csound/search?q=stof+path%3AEngine+filename%3Asread.c.
(r'([nNpP][pP])(\d+)', bygroups(Keyword, Number.Integer)),
(r'[mn]', Keyword, 'mark statement'),
include('numbers'),
(r'[!+\-*/^%&|<>#~.]', Operator),
(r'[()\[\]]', Punctuation),
(r'"', String, 'quoted string'),
(r'\{', Comment.Preproc, 'loop after left brace'),
],
'mark statement': [
include('whitespace and macro uses'),
(r'[A-Z_a-z]\w*', Name.Label),
(r'\n', Text, '#pop')
],
'loop after left brace': [
include('whitespace and macro uses'),
(r'\d+', Number.Integer, ('#pop', 'loop after repeat count')),
],
'loop after repeat count': [
include('whitespace and macro uses'),
(r'[A-Z_a-z]\w*', Comment.Preproc, ('#pop', 'loop'))
],
'loop': [
(r'\}', Comment.Preproc, '#pop'),
include('root')
],
# Braced strings are not allowed in Csound scores, but this is needed because the
# superclass includes it.
'braced string': [
(r'\}\}', String, '#pop'),
(r'[^}]|\}(?!\})', String)
]
}
class CsoundOrchestraLexer(CsoundLexer):
"""
For `Csound <https://csound.com>`_ orchestras.
.. versionadded:: 2.1
"""
name = 'Csound Orchestra'
aliases = ['csound', 'csound-orc']
filenames = ['*.orc', '*.udo']
user_defined_opcodes = set()
def opcode_name_callback(lexer, match):
opcode = match.group(0)
lexer.user_defined_opcodes.add(opcode)
yield match.start(), Name.Function, opcode
def name_callback(lexer, match):
type_annotation_token = Keyword.Type
name = match.group(1)
if name in OPCODES or name in DEPRECATED_OPCODES:
yield match.start(), Name.Builtin, name
elif name in lexer.user_defined_opcodes:
yield match.start(), Name.Function, name
else:
type_annotation_token = Name
name_match = re.search(r'^(g?[afikSw])(\w+)', name)
if name_match:
yield name_match.start(1), Keyword.Type, name_match.group(1)
yield name_match.start(2), Name, name_match.group(2)
else:
yield match.start(), Name, name
if match.group(2):
yield match.start(2), Punctuation, match.group(2)
yield match.start(3), type_annotation_token, match.group(3)
tokens = {
'root': [
(r'\n', Text),
(r'^([ \t]*)(\w+)(:)([ \t]+|$)', bygroups(Text, Name.Label, Punctuation, Text)),
include('whitespace and macro uses'),
include('preprocessor directives'),
(r'\binstr\b', Keyword.Declaration, 'instrument numbers and identifiers'),
(r'\bopcode\b', Keyword.Declaration, 'after opcode keyword'),
(r'\b(?:end(?:in|op))\b', Keyword.Declaration),
include('partial statements')
],
'partial statements': [
(r'\b(?:0dbfs|A4|k(?:r|smps)|nchnls(?:_i)?|sr)\b', Name.Variable.Global),
include('numbers'),
(r'\+=|-=|\*=|/=|<<|>>|<=|>=|==|!=|&&|\|\||[~¬]|[=!+\-*/^%&|<>#?:]', Operator),
(r'[(),\[\]]', Punctuation),
(r'"', String, 'quoted string'),
(r'\{\{', String, 'braced string'),
(words((
'do', 'else', 'elseif', 'endif', 'enduntil', 'fi', 'if', 'ithen', 'kthen',
'od', 'then', 'until', 'while',
), prefix=r'\b', suffix=r'\b'), Keyword),
(words(('return', 'rireturn'), prefix=r'\b', suffix=r'\b'), Keyword.Pseudo),
(r'\b[ik]?goto\b', Keyword, 'goto label'),
(r'\b(r(?:einit|igoto)|tigoto)(\(|\b)', bygroups(Keyword.Pseudo, Punctuation),
'goto label'),
(r'\b(c(?:g|in?|k|nk?)goto)(\(|\b)', bygroups(Keyword.Pseudo, Punctuation),
('goto label', 'goto argument')),
(r'\b(timout)(\(|\b)', bygroups(Keyword.Pseudo, Punctuation),
('goto label', 'goto argument', 'goto argument')),
(r'\b(loop_[gl][et])(\(|\b)', bygroups(Keyword.Pseudo, Punctuation),
('goto label', 'goto argument', 'goto argument', 'goto argument')),
(r'\bprintk?s\b', Name.Builtin, 'prints opcode'),
(r'\b(?:readscore|scoreline(?:_i)?)\b', Name.Builtin, 'Csound score opcode'),
(r'\bpyl?run[it]?\b', Name.Builtin, 'Python opcode'),
(r'\blua_(?:exec|opdef)\b', Name.Builtin, 'Lua opcode'),
(r'\bp\d+\b', Name.Variable.Instance),
(r'\b([A-Z_a-z]\w*)(?:(:)([A-Za-z]))?\b', name_callback)
],
'instrument numbers and identifiers': [
include('whitespace and macro uses'),
(r'\d+|[A-Z_a-z]\w*', Name.Function),
(r'[+,]', Punctuation),
(r'\n', Text, '#pop')
],
'after opcode keyword': [
include('whitespace and macro uses'),
(r'[A-Z_a-z]\w*', opcode_name_callback, ('#pop', 'opcode type signatures')),
(r'\n', Text, '#pop')
],
'opcode type signatures': [
include('whitespace and macro uses'),
# https://github.com/csound/csound/search?q=XIDENT+path%3AEngine+filename%3Acsound_orc.lex
(r'0|[afijkKoOpPStV\[\]]+', Keyword.Type),
(r',', Punctuation),
(r'\n', Text, '#pop')
],
'quoted string': [
(r'"', String, '#pop'),
(r'[^\\"$%)]+', String),
include('macro uses'),
include('escape sequences'),
include('format specifiers'),
(r'[\\$%)]', String)
],
'braced string': [
(r'\}\}', String, '#pop'),
(r'(?:[^\\%)}]|\}(?!\}))+', String),
include('escape sequences'),
include('format specifiers'),
(r'[\\%)]', String)
],
'escape sequences': [
# https://github.com/csound/csound/search?q=unquote_string+path%3AEngine+filename%3Acsound_orc_compile.c
(r'\\(?:[\\abnrt"]|[0-7]{1,3})', String.Escape)
],
# Format specifiers are highlighted in all strings, even though only
# fprintks https://csound.com/docs/manual/fprintks.html
# fprints https://csound.com/docs/manual/fprints.html
# printf/printf_i https://csound.com/docs/manual/printf.html
# printks https://csound.com/docs/manual/printks.html
# prints https://csound.com/docs/manual/prints.html
# sprintf https://csound.com/docs/manual/sprintf.html
# sprintfk https://csound.com/docs/manual/sprintfk.html
# work with strings that contain format specifiers. In addition, these opcodes’
# handling of format specifiers is inconsistent:
# - fprintks and fprints accept %a and %A specifiers, and accept %s specifiers
# starting in Csound 6.15.0.
# - printks and prints accept %a and %A specifiers, but don’t accept %s
# specifiers.
# - printf, printf_i, sprintf, and sprintfk don’t accept %a and %A specifiers,
# but accept %s specifiers.
# See https://github.com/csound/csound/issues/747 for more information.
'format specifiers': [
(r'%[#0\- +]*\d*(?:\.\d+)?[AE-GXac-giosux]', String.Interpol),
(r'%%', String.Escape)
],
'goto argument': [
include('whitespace and macro uses'),
(r',', Punctuation, '#pop'),
include('partial statements')
],
'goto label': [
include('whitespace and macro uses'),
(r'\w+', Name.Label, '#pop'),
default('#pop')
],
'prints opcode': [
include('whitespace and macro uses'),
(r'"', String, 'prints quoted string'),
default('#pop')
],
'prints quoted string': [
(r'\\\\[aAbBnNrRtT]', String.Escape),
(r'%[!nNrRtT]|[~^]{1,2}', String.Escape),
include('quoted string')
],
'Csound score opcode': [
include('whitespace and macro uses'),
(r'"', String, 'quoted string'),
(r'\{\{', String, 'Csound score'),
(r'\n', Text, '#pop')
],
'Csound score': [
(r'\}\}', String, '#pop'),
(r'([^}]+)|\}(?!\})', using(CsoundScoreLexer))
],
'Python opcode': [
include('whitespace and macro uses'),
(r'"', String, 'quoted string'),
(r'\{\{', String, 'Python'),
(r'\n', Text, '#pop')
],
'Python': [
(r'\}\}', String, '#pop'),
(r'([^}]+)|\}(?!\})', using(PythonLexer))
],
'Lua opcode': [
include('whitespace and macro uses'),
(r'"', String, 'quoted string'),
(r'\{\{', String, 'Lua'),
(r'\n', Text, '#pop')
],
'Lua': [
(r'\}\}', String, '#pop'),
(r'([^}]+)|\}(?!\})', using(LuaLexer))
]
}
class CsoundDocumentLexer(RegexLexer):
"""
For `Csound <https://csound.com>`_ documents.
.. versionadded:: 2.1
"""
name = 'Csound Document'
aliases = ['csound-document', 'csound-csd']
filenames = ['*.csd']
# These tokens are based on those in XmlLexer in pygments/lexers/html.py. Making
# CsoundDocumentLexer a subclass of XmlLexer rather than RegexLexer may seem like a
# better idea, since Csound Document files look like XML files. However, Csound
# Documents can contain Csound comments (preceded by //, for example) before and
# after the root element, unescaped bitwise AND & and less than < operators, etc. In
# other words, while Csound Document files look like XML files, they may not actually
# be XML files.
tokens = {
'root': [
(r'/[*](.|\n)*?[*]/', Comment.Multiline),
(r'(?:;|//).*$', Comment.Single),
(r'[^/;<]+|/(?!/)', Text),
(r'<\s*CsInstruments', Name.Tag, ('orchestra', 'tag')),
(r'<\s*CsScore', Name.Tag, ('score', 'tag')),
(r'<\s*[Hh][Tt][Mm][Ll]', Name.Tag, ('HTML', 'tag')),
(r'<\s*[\w:.-]+', Name.Tag, 'tag'),
(r'<\s*/\s*[\w:.-]+\s*>', Name.Tag)
],
'orchestra': [
(r'<\s*/\s*CsInstruments\s*>', Name.Tag, '#pop'),
(r'(.|\n)+?(?=<\s*/\s*CsInstruments\s*>)', using(CsoundOrchestraLexer))
],
'score': [
(r'<\s*/\s*CsScore\s*>', Name.Tag, '#pop'),
(r'(.|\n)+?(?=<\s*/\s*CsScore\s*>)', using(CsoundScoreLexer))
],
'HTML': [
(r'<\s*/\s*[Hh][Tt][Mm][Ll]\s*>', Name.Tag, '#pop'),
(r'(.|\n)+?(?=<\s*/\s*[Hh][Tt][Mm][Ll]\s*>)', using(HtmlLexer))
],
'tag': [
(r'\s+', Text),
(r'[\w.:-]+\s*=', Name.Attribute, 'attr'),
(r'/?\s*>', Name.Tag, '#pop')
],
'attr': [
(r'\s+', Text),
(r'".*?"', String, '#pop'),
(r"'.*?'", String, '#pop'),
(r'[^\s>]+', String, '#pop')
]
}
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