eric6/ThirdParty/Pygments/pygments/lexers/rust.py

changeset 8258
82b608e352ec
parent 8257
28146736bbfc
child 8259
2bbec88047dd
--- a/eric6/ThirdParty/Pygments/pygments/lexers/rust.py	Tue Apr 20 19:47:39 2021 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,224 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-    pygments.lexers.rust
-    ~~~~~~~~~~~~~~~~~~~~
-
-    Lexers for the Rust language.
-
-    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
-"""
-
-from pygments.lexer import RegexLexer, include, bygroups, words, default
-from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
-    Number, Punctuation, Whitespace
-
-__all__ = ['RustLexer']
-
-
-class RustLexer(RegexLexer):
-    """
-    Lexer for the Rust programming language (version 1.47).
-
-    .. versionadded:: 1.6
-    """
-    name = 'Rust'
-    filenames = ['*.rs', '*.rs.in']
-    aliases = ['rust', 'rs']
-    mimetypes = ['text/rust', 'text/x-rust']
-
-    keyword_types = (words((
-        'u8', 'u16', 'u32', 'u64', 'u128', 'i8', 'i16', 'i32', 'i64', 'i128',
-        'usize', 'isize', 'f32', 'f64', 'char', 'str', 'bool',
-    ), suffix=r'\b'), Keyword.Type)
-
-    builtin_funcs_types = (words((
-        'Copy', 'Send', 'Sized', 'Sync', 'Unpin',
-        'Drop', 'Fn', 'FnMut', 'FnOnce', 'drop',
-        'Box', 'ToOwned', 'Clone',
-        'PartialEq', 'PartialOrd', 'Eq', 'Ord',
-        'AsRef', 'AsMut', 'Into', 'From', 'Default',
-        'Iterator', 'Extend', 'IntoIterator', 'DoubleEndedIterator',
-        'ExactSizeIterator',
-        'Option', 'Some', 'None',
-        'Result', 'Ok', 'Err',
-        'String', 'ToString', 'Vec',
-    ), suffix=r'\b'), Name.Builtin)
-
-    builtin_macros = (words((
-        'asm', 'assert', 'assert_eq', 'assert_ne', 'cfg', 'column',
-        'compile_error', 'concat', 'concat_idents', 'dbg', 'debug_assert',
-        'debug_assert_eq', 'debug_assert_ne', 'env', 'eprint', 'eprintln',
-        'file', 'format', 'format_args', 'format_args_nl', 'global_asm',
-        'include', 'include_bytes', 'include_str',
-        'is_aarch64_feature_detected',
-        'is_arm_feature_detected',
-        'is_mips64_feature_detected',
-        'is_mips_feature_detected',
-        'is_powerpc64_feature_detected',
-        'is_powerpc_feature_detected',
-        'is_x86_feature_detected',
-        'line', 'llvm_asm', 'log_syntax', 'macro_rules', 'matches',
-        'module_path', 'option_env', 'panic', 'print', 'println', 'stringify',
-        'thread_local', 'todo', 'trace_macros', 'unimplemented', 'unreachable',
-        'vec', 'write', 'writeln',
-    ), suffix=r'!'), Name.Function.Magic)
-
-    tokens = {
-        'root': [
-            # rust allows a file to start with a shebang, but if the first line
-            # starts with #![ then it's not a shebang but a crate attribute.
-            (r'#![^[\r\n].*$', Comment.Preproc),
-            default('base'),
-        ],
-        'base': [
-            # Whitespace and Comments
-            (r'\n', Whitespace),
-            (r'\s+', Whitespace),
-            (r'//!.*?\n', String.Doc),
-            (r'///(\n|[^/].*?\n)', String.Doc),
-            (r'//(.*?)\n', Comment.Single),
-            (r'/\*\*(\n|[^/*])', String.Doc, 'doccomment'),
-            (r'/\*!', String.Doc, 'doccomment'),
-            (r'/\*', Comment.Multiline, 'comment'),
-
-            # Macro parameters
-            (r"""\$([a-zA-Z_]\w*|\(,?|\),?|,?)""", Comment.Preproc),
-            # Keywords
-            (words(('as', 'async', 'await', 'box', 'const', 'crate', 'dyn',
-                    'else', 'extern', 'for', 'if', 'impl', 'in', 'loop',
-                    'match', 'move', 'mut', 'pub', 'ref', 'return', 'static',
-                    'super', 'trait', 'unsafe', 'use', 'where', 'while'),
-                   suffix=r'\b'), Keyword),
-            (words(('abstract', 'become', 'do', 'final', 'macro', 'override',
-                    'priv', 'typeof', 'try', 'unsized', 'virtual', 'yield'),
-                   suffix=r'\b'), Keyword.Reserved),
-            (r'(true|false)\b', Keyword.Constant),
-            (r'self\b', Name.Builtin.Pseudo),
-            (r'mod\b', Keyword, 'modname'),
-            (r'let\b', Keyword.Declaration),
-            (r'fn\b', Keyword, 'funcname'),
-            (r'(struct|enum|type|union)\b', Keyword, 'typename'),
-            (r'(default)(\s+)(type|fn)\b', bygroups(Keyword, Text, Keyword)),
-            keyword_types,
-            (r'[sS]elf\b', Name.Builtin.Pseudo),
-            # Prelude (taken from Rust's src/libstd/prelude.rs)
-            builtin_funcs_types,
-            builtin_macros,
-            # Path seperators, so types don't catch them.
-            (r'::\b', Text),
-            # Types in positions.
-            (r'(?::|->)', Text, 'typename'),
-            # Labels
-            (r'(break|continue)(\s*)(\'[A-Za-z_]\w*)?',
-             bygroups(Keyword, Text.Whitespace, Name.Label)),
-
-            # Character literals
-            (r"""'(\\['"\\nrt]|\\x[0-7][0-9a-fA-F]|\\0"""
-             r"""|\\u\{[0-9a-fA-F]{1,6}\}|.)'""",
-             String.Char),
-            (r"""b'(\\['"\\nrt]|\\x[0-9a-fA-F]{2}|\\0"""
-             r"""|\\u\{[0-9a-fA-F]{1,6}\}|.)'""",
-             String.Char),
-
-            # Binary literals
-            (r'0b[01_]+', Number.Bin, 'number_lit'),
-            # Octal literals
-            (r'0o[0-7_]+', Number.Oct, 'number_lit'),
-            # Hexadecimal literals
-            (r'0[xX][0-9a-fA-F_]+', Number.Hex, 'number_lit'),
-            # Decimal literals
-            (r'[0-9][0-9_]*(\.[0-9_]+[eE][+\-]?[0-9_]+|'
-             r'\.[0-9_]*(?!\.)|[eE][+\-]?[0-9_]+)', Number.Float,
-             'number_lit'),
-            (r'[0-9][0-9_]*', Number.Integer, 'number_lit'),
-
-            # String literals
-            (r'b"', String, 'bytestring'),
-            (r'"', String, 'string'),
-            (r'b?r(#*)".*?"\1', String),
-
-            # Lifetime names
-            (r"'", Operator, 'lifetime'),
-
-            # Operators and Punctuation
-            (r'\.\.=?', Operator),
-            (r'[{}()\[\],.;]', Punctuation),
-            (r'[+\-*/%&|<>^!~@=:?]', Operator),
-
-            # Identifiers
-            (r'[a-zA-Z_]\w*', Name),
-            # Raw identifiers
-            (r'r#[a-zA-Z_]\w*', Name),
-
-            # Attributes
-            (r'#!?\[', Comment.Preproc, 'attribute['),
-        ],
-        'comment': [
-            (r'[^*/]+', Comment.Multiline),
-            (r'/\*', Comment.Multiline, '#push'),
-            (r'\*/', Comment.Multiline, '#pop'),
-            (r'[*/]', Comment.Multiline),
-        ],
-        'doccomment': [
-            (r'[^*/]+', String.Doc),
-            (r'/\*', String.Doc, '#push'),
-            (r'\*/', String.Doc, '#pop'),
-            (r'[*/]', String.Doc),
-        ],
-        'modname': [
-            (r'\s+', Text),
-            (r'[a-zA-Z_]\w*', Name.Namespace, '#pop'),
-            default('#pop'),
-        ],
-        'funcname': [
-            (r'\s+', Text),
-            (r'[a-zA-Z_]\w*', Name.Function, '#pop'),
-            default('#pop'),
-        ],
-        'typename': [
-            (r'\s+', Text),
-            (r'&', Keyword.Pseudo),
-            (r"'", Operator, 'lifetime'),
-            builtin_funcs_types,
-            keyword_types,
-            (r'[a-zA-Z_]\w*', Name.Class, '#pop'),
-            default('#pop'),
-        ],
-        'lifetime': [
-            (r"(static|_)", Name.Builtin),
-            (r"[a-zA-Z_]+\w*", Name.Attribute),
-            default('#pop'),
-        ],
-        'number_lit': [
-            (r'[ui](8|16|32|64|size)', Keyword, '#pop'),
-            (r'f(32|64)', Keyword, '#pop'),
-            default('#pop'),
-        ],
-        'string': [
-            (r'"', String, '#pop'),
-            (r"""\\['"\\nrt]|\\x[0-7][0-9a-fA-F]|\\0"""
-             r"""|\\u\{[0-9a-fA-F]{1,6}\}""", String.Escape),
-            (r'[^\\"]+', String),
-            (r'\\', String),
-        ],
-        'bytestring': [
-            (r"""\\x[89a-fA-F][0-9a-fA-F]""", String.Escape),
-            include('string'),
-        ],
-        'attribute_common': [
-            (r'"', String, 'string'),
-            (r'\[', Comment.Preproc, 'attribute['),
-            (r'\(', Comment.Preproc, 'attribute('),
-        ],
-        'attribute[': [
-            include('attribute_common'),
-            (r'\];?', Comment.Preproc, '#pop'),
-            (r'[^"\]]+', Comment.Preproc),
-        ],
-        'attribute(': [
-            include('attribute_common'),
-            (r'\);?', Comment.Preproc, '#pop'),
-            (r'[^")]+', Comment.Preproc),
-        ],
-    }

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