25f230191f
That way, we can set it to "" for old lexers, and check that it's present on new lexers. (In the future, we might also use it for better presentation in the documentation.)
173 lines
6 KiB
Python
173 lines
6 KiB
Python
"""
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pygments.lexers.blueprint
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Lexer for the Blueprint UI markup language.
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:copyright: Copyright 2006-2023 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, words
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from pygments.token import (
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Comment,
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Operator,
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Keyword,
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Name,
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String,
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Number,
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Punctuation,
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Whitespace,
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)
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__all__ = ["BlueprintLexer"]
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class BlueprintLexer(RegexLexer):
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"""
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For Blueprint UI markup.
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"""
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name = "Blueprint"
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aliases = ["blueprint"]
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filenames = ["*.blp"]
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mimetypes = ["text/x-blueprint"]
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url = "https://gitlab.gnome.org/jwestman/blueprint-compiler"
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version_added = '2.16'
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flags = re.IGNORECASE
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tokens = {
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"root": [
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include("block-content"),
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],
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"type": [
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(r"\$\s*[a-z_][a-z0-9_\-]*", Name.Class),
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(r"(?:([a-z_][a-z0-9_\-]*)(\s*)(\.)(\s*))?([a-z_][a-z0-9_\-]*)",
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bygroups(Name.Namespace, Whitespace, Punctuation, Whitespace, Name.Class)),
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],
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"whitespace": [
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(r"\s+", Whitespace),
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(r"//.*?\n", Comment.Single),
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(r"/\*", Comment.Multiline, "comment-multiline"),
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],
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"comment-multiline": [
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(r"\*/", Comment.Multiline, "#pop"),
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(r"[^*]+", Comment.Multiline),
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(r"\*", Comment.Multiline),
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],
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"value": [
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(r"(typeof)(\s*)(<)", bygroups(Keyword, Whitespace, Punctuation), "typeof"),
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(words(("true", "false", "null")), Keyword.Constant),
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(r"[a-z_][a-z0-9_\-]*", Name.Variable),
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(r"\|", Operator),
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(r'".*?"', String.Double),
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(r"\'.*?\'", String.Single),
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(r"0x[\d_]*", Number.Hex),
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(r"[0-9_]+", Number.Integer),
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(r"\d[\d\.a-z_]*", Number),
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],
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"typeof": [
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include("whitespace"),
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include("type"),
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(r">", Punctuation, "#pop"),
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],
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"content": [
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include("whitespace"),
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# Keywords
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(words(("after", "bidirectional", "bind-property", "bind", "default",
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"destructive", "disabled", "inverted", "no-sync-create",
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"suggested", "swapped", "sync-create", "template")),
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Keyword),
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# Translated strings
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(r"(C?_)(\s*)(\()",
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bygroups(Name.Function.Builtin, Whitespace, Punctuation),
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"paren-content"),
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# Cast expressions
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(r"(as)(\s*)(<)", bygroups(Keyword, Whitespace, Punctuation), "typeof"),
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# Closures
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(r"(\$?[a-z_][a-z0-9_\-]*)(\s*)(\()",
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bygroups(Name.Function, Whitespace, Punctuation),
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"paren-content"),
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# Objects
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(r"(?:(\$\s*[a-z_][a-z0-9_\-]+)|(?:([a-z_][a-z0-9_\-]*)(\s*)(\.)(\s*))?([a-z_][a-z0-9_\-]*))(?:(\s+)([a-z_][a-z0-9_\-]*))?(\s*)(\{)",
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bygroups(Name.Class, Name.Namespace, Whitespace, Punctuation, Whitespace,
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Name.Class, Whitespace, Name.Variable, Whitespace, Punctuation),
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"brace-block"),
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# Misc
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include("value"),
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(r",|\.", Punctuation),
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],
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"block-content": [
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# Import statements
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(r"(using)(\s+)([a-z_][a-z0-9_\-]*)(\s+)(\d[\d\.]*)(;)",
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bygroups(Keyword, Whitespace, Name.Namespace, Whitespace,
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Name.Namespace, Punctuation)),
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# Menus
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(r"(menu|section|submenu)(?:(\s+)([a-z_][a-z0-9_\-]*))?(\s*)(\{)",
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bygroups(Keyword, Whitespace, Name.Variable, Whitespace, Punctuation),
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"brace-block"),
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(r"(item)(\s*)(\{)",
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bygroups(Keyword, Whitespace, Punctuation),
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"brace-block"),
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(r"(item)(\s*)(\()",
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bygroups(Keyword, Whitespace, Punctuation),
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"paren-block"),
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# Templates
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(r"template", Keyword.Declaration, "template"),
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# Nested blocks. When extensions are added, this is where they go.
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(r"(responses|items|mime-types|patterns|suffixes|marks|widgets|strings|styles)(\s*)(\[)",
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bygroups(Keyword, Whitespace, Punctuation),
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"bracket-block"),
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(r"(accessibility|setters|layout|item)(\s*)(\{)",
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bygroups(Keyword, Whitespace, Punctuation),
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"brace-block"),
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(r"(condition|mark|item)(\s*)(\()",
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bygroups(Keyword, Whitespace, Punctuation),
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"paren-content"),
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(r"\[", Punctuation, "child-type"),
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# Properties and signals
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(r"([a-z_][a-z0-9_\-]*(?:::[a-z0-9_]+)?)(\s*)(:|=>)",
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bygroups(Name.Property, Whitespace, Punctuation),
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"statement"),
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include("content"),
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],
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"paren-block": [
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include("block-content"),
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(r"\)", Punctuation, "#pop"),
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],
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"paren-content": [
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include("content"),
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(r"\)", Punctuation, "#pop"),
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],
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"bracket-block": [
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include("block-content"),
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(r"\]", Punctuation, "#pop"),
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],
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"brace-block": [
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include("block-content"),
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(r"\}", Punctuation, "#pop"),
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],
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"statement": [
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include("content"),
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(r";", Punctuation, "#pop"),
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],
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"child-type": [
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include("whitespace"),
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(r"(action)(\s+)(response)(\s*)(=)(\s*)",
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bygroups(Keyword, Whitespace, Name.Attribute, Whitespace,
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Punctuation, Whitespace)),
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(words(("default", "internal-child", "response")), Keyword),
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(r"[a-z_][a-z0-9_\-]*", Name.Decorator),
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include("value"),
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(r"=", Punctuation),
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(r"\]", Punctuation, "#pop"),
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],
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"template": [
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include("whitespace"),
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include("type"),
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(r":", Punctuation),
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(r"\{", Punctuation, ("#pop", "brace-block")),
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],
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}
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