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347 lines
11 KiB
347 lines
11 KiB
"""
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pygments.lexers.gdscript
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~~~~~~~~~~~~~~~~~~~~~~~~
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Lexer for GDScript.
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Modified by Daniel J. Ramirez <djrmuv@gmail.com> based on the original
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python.py.
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:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import RegexLexer, include, bygroups, default, words, \
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combined
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation, Whitespace
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__all__ = ["GDScriptLexer"]
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line_re = re.compile(".*?\n")
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class GDScriptLexer(RegexLexer):
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"""
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For `GDScript source code <https://www.godotengine.org>`_.
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"""
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name = "GDScript"
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aliases = ["gdscript", "gd"]
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filenames = ["*.gd"]
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mimetypes = ["text/x-gdscript", "application/x-gdscript"]
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def innerstring_rules(ttype):
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return [
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# the old style '%s' % (...) string formatting
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(
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r"%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?"
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"[hlL]?[E-GXc-giorsux%]",
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String.Interpol,
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),
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# backslashes, quotes and formatting signs must be parsed one at a time
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(r'[^\\\'"%\n]+', ttype),
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(r'[\'"\\]', ttype),
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# unhandled string formatting sign
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(r"%", ttype),
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# newlines are an error (use "nl" state)
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]
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tokens = {
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"root": [
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(r"\n", Whitespace),
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(
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r'^(\s*)([rRuUbB]{,2})("""(?:.|\n)*?""")',
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bygroups(Whitespace, String.Affix, String.Doc),
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),
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(
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r"^(\s*)([rRuUbB]{,2})('''(?:.|\n)*?''')",
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bygroups(Whitespace, String.Affix, String.Doc),
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),
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(r"[^\S\n]+", Whitespace),
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(r"#.*$", Comment.Single),
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(r"[]{}:(),;[]", Punctuation),
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(r"(\\)(\n)", bygroups(Text, Whitespace)),
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(r"\\", Text),
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(r"(in|and|or|not)\b", Operator.Word),
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(
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r"!=|==|<<|>>|&&|\+=|-=|\*=|/=|%=|&=|\|=|\|\||[-~+/*%=<>&^.!|$]",
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Operator,
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),
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include("keywords"),
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(r"(func)(\s+)", bygroups(Keyword, Whitespace), "funcname"),
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(r"(class)(\s+)", bygroups(Keyword, Whitespace), "classname"),
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include("builtins"),
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(
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'([rR]|[uUbB][rR]|[rR][uUbB])(""")',
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bygroups(String.Affix, String.Double),
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"tdqs",
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),
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(
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"([rR]|[uUbB][rR]|[rR][uUbB])(''')",
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bygroups(String.Affix, String.Single),
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"tsqs",
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),
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(
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'([rR]|[uUbB][rR]|[rR][uUbB])(")',
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bygroups(String.Affix, String.Double),
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"dqs",
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),
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(
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"([rR]|[uUbB][rR]|[rR][uUbB])(')",
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bygroups(String.Affix, String.Single),
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"sqs",
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),
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(
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'([uUbB]?)(""")',
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bygroups(String.Affix, String.Double),
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combined("stringescape", "tdqs"),
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),
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(
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"([uUbB]?)(''')",
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bygroups(String.Affix, String.Single),
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combined("stringescape", "tsqs"),
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),
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(
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'([uUbB]?)(")',
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bygroups(String.Affix, String.Double),
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combined("stringescape", "dqs"),
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),
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(
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"([uUbB]?)(')",
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bygroups(String.Affix, String.Single),
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combined("stringescape", "sqs"),
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),
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include("name"),
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include("numbers"),
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],
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"keywords": [
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(
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words(
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(
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"and",
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"in",
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"not",
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"or",
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"as",
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"breakpoint",
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"class",
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"class_name",
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"extends",
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"is",
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"func",
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"setget",
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"signal",
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"tool",
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"const",
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"enum",
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"export",
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"onready",
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"static",
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"var",
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"break",
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"continue",
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"if",
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"elif",
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"else",
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"for",
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"pass",
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"return",
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"match",
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"while",
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"remote",
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"master",
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"puppet",
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"remotesync",
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"mastersync",
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"puppetsync",
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),
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suffix=r"\b",
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),
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Keyword,
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),
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],
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"builtins": [
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(
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words(
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(
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"Color8",
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"ColorN",
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"abs",
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"acos",
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"asin",
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"assert",
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"atan",
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"atan2",
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"bytes2var",
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"ceil",
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"char",
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"clamp",
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"convert",
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"cos",
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"cosh",
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"db2linear",
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"decimals",
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"dectime",
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"deg2rad",
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"dict2inst",
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"ease",
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"exp",
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"floor",
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"fmod",
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"fposmod",
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"funcref",
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"hash",
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"inst2dict",
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"instance_from_id",
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"is_inf",
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"is_nan",
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"lerp",
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"linear2db",
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"load",
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"log",
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"max",
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"min",
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"nearest_po2",
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"pow",
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"preload",
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"print",
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"print_stack",
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"printerr",
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"printraw",
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"prints",
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"printt",
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"rad2deg",
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"rand_range",
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"rand_seed",
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"randf",
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"randi",
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"randomize",
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"range",
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"round",
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"seed",
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"sign",
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"sin",
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"sinh",
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"sqrt",
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"stepify",
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"str",
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"str2var",
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"tan",
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"tan",
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"tanh",
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"type_exist",
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"typeof",
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"var2bytes",
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"var2str",
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"weakref",
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"yield",
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),
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prefix=r"(?<!\.)",
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suffix=r"\b",
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),
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Name.Builtin,
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),
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(r"((?<!\.)(self|false|true)|(PI|TAU|NAN|INF)" r")\b", Name.Builtin.Pseudo),
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(
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words(
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(
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"bool",
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"int",
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"float",
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"String",
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"NodePath",
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"Vector2",
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"Rect2",
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"Transform2D",
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"Vector3",
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"Rect3",
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"Plane",
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"Quat",
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"Basis",
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"Transform",
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"Color",
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"RID",
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"Object",
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"NodePath",
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"Dictionary",
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"Array",
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"PackedByteArray",
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"PackedInt32Array",
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"PackedInt64Array",
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"PackedFloat32Array",
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"PackedFloat64Array",
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"PackedStringArray",
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"PackedVector2Array",
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"PackedVector3Array",
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"PackedColorArray",
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"null",
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"void",
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),
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prefix=r"(?<!\.)",
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suffix=r"\b",
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),
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Name.Builtin.Type,
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),
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],
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"numbers": [
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(r"(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?j?", Number.Float),
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(r"\d+[eE][+-]?[0-9]+j?", Number.Float),
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(r"0[xX][a-fA-F0-9]+", Number.Hex),
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(r"\d+j?", Number.Integer),
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],
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"name": [(r"[a-zA-Z_]\w*", Name)],
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"funcname": [(r"[a-zA-Z_]\w*", Name.Function, "#pop"), default("#pop")],
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"classname": [(r"[a-zA-Z_]\w*", Name.Class, "#pop")],
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"stringescape": [
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(
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r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
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r"U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})",
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String.Escape,
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)
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],
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"strings-single": innerstring_rules(String.Single),
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"strings-double": innerstring_rules(String.Double),
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"dqs": [
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(r'"', String.Double, "#pop"),
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(r'\\\\|\\"|\\\n', String.Escape), # included here for raw strings
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include("strings-double"),
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],
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"sqs": [
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(r"'", String.Single, "#pop"),
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(r"\\\\|\\'|\\\n", String.Escape), # included here for raw strings
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include("strings-single"),
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],
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"tdqs": [
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(r'"""', String.Double, "#pop"),
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include("strings-double"),
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(r"\n", Whitespace),
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],
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"tsqs": [
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(r"'''", String.Single, "#pop"),
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include("strings-single"),
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(r"\n", Whitespace),
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],
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}
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def analyse_text(text):
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score = 0.0
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if re.search(
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r"func (_ready|_init|_input|_process|_unhandled_input)", text
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):
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score += 0.8
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if re.search(
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r"(extends |class_name |onready |preload|load|setget|func [^_])",
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text
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):
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score += 0.4
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if re.search(r"(var|const|enum|export|signal|tool)", text):
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score += 0.2
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return min(score, 1.0)
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