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""" pygments.lexers.jsonnet ~~~~~~~~~~~~~~~~~~~~~~~ Lexer for Jsonnet data templating language. :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details. """ from pygments.lexer import include, RegexLexer, words from pygments.token import Comment, Keyword, Name, Number, Operator, \ Punctuation, String, Text, Whitespace __all__ = ['JsonnetLexer'] jsonnet_token = r'[^\W\d]\w*' jsonnet_function_token = jsonnet_token + r'(?=\()' def string_rules(quote_mark): return [ (r"[^{}\\]".format(quote_mark), String), (r"\\.", String.Escape), (quote_mark, String, '#pop'), ] def quoted_field_name(quote_mark): return [ (r'([^{quote}\\]|\\.)*{quote}'.format(quote=quote_mark), Name.Variable, 'field_separator') ] class JsonnetLexer(RegexLexer): """Lexer for Jsonnet source code.""" name = 'Jsonnet' aliases = ['jsonnet'] filenames = ['*.jsonnet', '*.libsonnet'] url = "https://jsonnet.org" tokens = { # Not used by itself '_comments': [ (r'(//|#).*\n', Comment.Single), (r'/\*\*([^/]|/(?!\*))*\*/', String.Doc), (r'/\*([^/]|/(?!\*))*\*/', Comment), ], 'root': [ include('_comments'), (r"@'.*'", String), (r'@".*"', String), (r"'", String, 'singlestring'), (r'"', String, 'doublestring'), (r'\|\|\|(.|\n)*\|\|\|', String), # Jsonnet has no integers, only an IEEE754 64-bit float (r'[+-]?[0-9]+(.[0-9])?', Number.Float), # Omit : despite spec because it appears to be used as a field # separator (r'[!$~+\-&|^=<>*/%]', Operator), (r'\{', Punctuation, 'object'), (r'\[', Punctuation, 'array'), (r'local\b', Keyword, ('local_name')), (r'assert\b', Keyword, 'assert'), (words([ 'assert', 'else', 'error', 'false', 'for', 'if', 'import', 'importstr', 'in', 'null', 'tailstrict', 'then', 'self', 'super', 'true', ], suffix=r'\b'), Keyword), (r'\s+', Whitespace), (r'function(?=\()', Keyword, 'function_params'), (r'std\.' + jsonnet_function_token, Name.Builtin, 'function_args'), (jsonnet_function_token, Name.Function, 'function_args'), (jsonnet_token, Name.Variable), (r'[\.()]', Punctuation), ], 'singlestring': string_rules("'"), 'doublestring': string_rules('"'), 'array': [ (r',', Punctuation), (r'\]', Punctuation, '#pop'), include('root'), ], 'local_name': [ (jsonnet_function_token, Name.Function, 'function_params'), (jsonnet_token, Name.Variable), (r'\s+', Whitespace), ('(?==)', Whitespace, ('#pop', 'local_value')), ], 'local_value': [ (r'=', Operator), (r';', Punctuation, '#pop'), include('root'), ], 'assert': [ (r':', Punctuation), (r';', Punctuation, '#pop'), include('root'), ], 'function_params': [ (jsonnet_token, Name.Variable), (r'\(', Punctuation), (r'\)', Punctuation, '#pop'), (r',', Punctuation), (r'\s+', Whitespace), (r'=', Operator, 'function_param_default'), ], 'function_args': [ (r'\(', Punctuation), (r'\)', Punctuation, '#pop'), (r',', Punctuation), (r'\s+', Whitespace), include('root'), ], 'object': [ (r'\s+', Whitespace), (r'local\b', Keyword, 'object_local_name'), (r'assert\b', Keyword, 'object_assert'), (r'\[', Operator, 'field_name_expr'), (fr'(?={jsonnet_token})', Text, 'field_name'), (r'\}', Punctuation, '#pop'), (r'"', Name.Variable, 'double_field_name'), (r"'", Name.Variable, 'single_field_name'), include('_comments'), ], 'field_name': [ (jsonnet_function_token, Name.Function, ('field_separator', 'function_params') ), (jsonnet_token, Name.Variable, 'field_separator'), ], 'double_field_name': quoted_field_name('"'), 'single_field_name': quoted_field_name("'"), 'field_name_expr': [ (r'\]', Operator, 'field_separator'), include('root'), ], 'function_param_default': [ (r'(?=[,\)])', Whitespace, '#pop'), include('root'), ], 'field_separator': [ (r'\s+', Whitespace), (r'\+?::?:?', Punctuation, ('#pop', '#pop', 'field_value')), include('_comments'), ], 'field_value': [ (r',', Punctuation, '#pop'), (r'\}', Punctuation, '#pop:2'), include('root'), ], 'object_assert': [ (r':', Punctuation), (r',', Punctuation, '#pop'), include('root'), ], 'object_local_name': [ (jsonnet_token, Name.Variable, ('#pop', 'object_local_value')), (r'\s+', Whitespace), ], 'object_local_value': [ (r'=', Operator), (r',', Punctuation, '#pop'), (r'\}', Punctuation, '#pop:2'), include('root'), ], }