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.)
117 lines
3.6 KiB
Python
117 lines
3.6 KiB
Python
"""
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pygments.lexers.qlik
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~~~~~~~~~~~~~~~~~~~~
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Lexer for the qlik scripting 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 Comment, Keyword, Name, Number, Operator, \
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Punctuation, String, Text
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from pygments.lexers._qlik_builtins import OPERATORS_LIST, STATEMENT_LIST, \
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SCRIPT_FUNCTIONS, CONSTANT_LIST
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__all__ = ["QlikLexer"]
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class QlikLexer(RegexLexer):
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"""
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Lexer for qlik code, including .qvs files
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"""
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name = "Qlik"
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aliases = ["qlik", "qlikview", "qliksense", "qlikscript"]
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filenames = ["*.qvs", "*.qvw"]
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url = "https://qlik.com"
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version_added = '2.12'
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flags = re.IGNORECASE
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tokens = {
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# Handle multi-line comments
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"comment": [
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(r"\*/", Comment.Multiline, "#pop"),
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(r"[^*]+", Comment.Multiline),
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],
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# Handle numbers
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"numerics": [
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(r"\b\d+\.\d+(e\d+)?[fd]?\b", Number.Float),
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(r"\b\d+\b", Number.Integer),
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],
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# Handle variable names in things
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"interp": [
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(
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r"(\$\()(\w+)(\))",
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bygroups(String.Interpol, Name.Variable, String.Interpol),
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),
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],
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# Handle strings
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"string": [
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(r"'", String, "#pop"),
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include("interp"),
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(r"[^'$]+", String),
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(r"\$", String),
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],
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#
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"assignment": [
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(r";", Punctuation, "#pop"),
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include("root"),
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],
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"field_name_quote": [
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(r'"', String.Symbol, "#pop"),
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include("interp"),
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(r"[^\"$]+", String.Symbol),
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(r"\$", String.Symbol),
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],
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"field_name_bracket": [
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(r"\]", String.Symbol, "#pop"),
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include("interp"),
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(r"[^\]$]+", String.Symbol),
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(r"\$", String.Symbol),
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],
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"function": [(r"\)", Punctuation, "#pop"), include("root")],
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"root": [
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# Whitespace and comments
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(r"\s+", Text.Whitespace),
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(r"/\*", Comment.Multiline, "comment"),
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(r"//.*\n", Comment.Single),
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# variable assignment
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(r"(let|set)(\s+)", bygroups(Keyword.Declaration, Text.Whitespace),
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"assignment"),
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# Word operators
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(words(OPERATORS_LIST["words"], prefix=r"\b", suffix=r"\b"),
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Operator.Word),
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# Statements
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(words(STATEMENT_LIST, suffix=r"\b"), Keyword),
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# Table names
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(r"[a-z]\w*:", Keyword.Declaration),
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# Constants
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(words(CONSTANT_LIST, suffix=r"\b"), Keyword.Constant),
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# Functions
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(words(SCRIPT_FUNCTIONS, suffix=r"(?=\s*\()"), Name.Builtin,
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"function"),
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# interpolation - e.g. $(variableName)
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include("interp"),
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# Quotes denote a field/file name
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(r'"', String.Symbol, "field_name_quote"),
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# Square brackets denote a field/file name
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(r"\[", String.Symbol, "field_name_bracket"),
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# Strings
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(r"'", String, "string"),
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# Numbers
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include("numerics"),
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# Operator symbols
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(words(OPERATORS_LIST["symbols"]), Operator),
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# Strings denoted by single quotes
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(r"'.+?'", String),
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# Words as text
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(r"\b\w+\b", Text),
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# Basic punctuation
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(r"[,;.()\\/]", Punctuation),
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],
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}
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