"" " for the Rust language.for details."" " from pygments.lexer import RegexLexer, include, bygroups, words, defaultfrom pygments.token import Text, Comment, Operator, Keyword, Name, String, \'RustLexer' ]class RustLexer(RegexLexer):"" " for the Rust programming language (version 1.47)."" " 'Rust' 'https://www.rust-lang.org/ ' '*.rs' , '*.rs.in' ]'rust' , 'rs' ]'text/rust' , 'text/x-rust' ]'1.6' 'u8' , 'u16' , 'u32' , 'u64' , 'u128' , 'i8' , 'i16' , 'i32' , 'i64' , 'i128' ,'usize' , 'isize' , 'f32' , 'f64' , 'char' , 'str' , 'bool' ,'\b' ), Keyword.Type)'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' ,'\b' ), Name.Builtin)'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' ,'!' ), Name.Function.Magic)'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\n].*$', Comment.Preproc), 'base' ),'base' : [# Whitespace and Comments '\n' , Whitespace),'\s+' , Whitespace),'//!.*?\n' , String.Doc),'///(\n|[^/].*?\n)' , String.Doc),'//(.*?)\n' , Comment.Single),'/\*\*(\n|[^/*])' , String.Doc, 'doccomment' ),'/\*!' , String.Doc, 'doccomment' ),'/\*' , Comment.Multiline, 'comment' ),# Macro parameters "" "\$([a-zA-Z_]\w*|\(,?|\),?|,?)" "" , Comment.Preproc),# Keywords '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' ),'\b' ), Keyword),'abstract' , 'become' , 'do' , 'final' , 'macro' , 'override' ,'priv' , 'typeof' , 'try' , 'unsized' , 'virtual' , 'yield' ),'\b' ), Keyword.Reserved),'(true|false)\b' , Keyword.Constant),'self\b' , Name.Builtin.Pseudo),'mod\b' , Keyword, 'modname' ),'let\b' , Keyword.Declaration),'fn\b' , Keyword, 'funcname' ),'(struct|enum|type|union)\b' , Keyword, 'typename' ),'(default)(\s+)(type|fn)\b' , bygroups(Keyword, Whitespace, Keyword)),'[sS]elf\b' , Name.Builtin.Pseudo),# Prelude (taken from Rust's src/libstd/prelude.rs) # Path separators, so types don't catch them. '::\b' , Punctuation),# Types in positions. '(?::|->)' , Punctuation, 'typename' ),# Labels '(break|continue)(\b\s*)(\' [A-Za-z_]\w*)?', # Character literals "" "'(\\['" \\nrt]|\\x[0-7][0-9a-fA-F]|\\0"" " "" "|\\u\{[0-9a-fA-F]{1,6}\}|.)'" "" ,"" "b'(\\['" \\nrt]|\\x[0-9a-fA-F]{2}|\\0"" " "" "|\\u\{[0-9a-fA-F]{1,6}\}|.)'" "" ,# Binary literals '0b[01_]+' , Number.Bin, 'number_lit' ),# Octal literals '0o[0-7_]+' , Number.Oct, 'number_lit' ),# Hexadecimal literals '0[xX][0-9a-fA-F_]+' , Number.Hex, 'number_lit' ),# Decimal literals '[0-9][0-9_]*(\.[0-9_]+[eE][+\-]?[0-9_]+|' '\.[0-9_]*(?!\.)|[eE][+\-]?[0-9_]+)' , Number.Float,'number_lit' ),'[0-9][0-9_]*' , Number.Integer, 'number_lit' ),# String literals 'b"' , String, 'bytestring' ),'"' , String, 'string' ),'(?s)b?r(#*)".*?"\1', String), # Lifetime names "'" , Operator, 'lifetime' ),# Operators and Punctuation '\.\.=?' , Operator),'[{}()\[\],.;]' , Punctuation),'[+\-*/%&|<>^!~@=:?]' , Operator),# Identifiers '[a-zA-Z_]\w*' , Name),# Raw identifiers 'r#[a-zA-Z_]\w*', Name), # Attributes '#!?\[', Comment.Preproc, 'attribute['), # Misc # Lone hashes: not used in Rust syntax, but allowed in macro # arguments, most famously for quote::quote!() '#', Punctuation), 'comment' : ['[^*/]+' , Comment.Multiline),'/\*' , Comment.Multiline, '#push'), '\*/' , Comment.Multiline, '#pop'), '[*/]' , Comment.Multiline),'doccomment' : ['[^*/]+' , String.Doc),'/\*' , String.Doc, '#push'), '\*/' , String.Doc, '#pop'), '[*/]' , String.Doc),'modname' : ['\s+' , Whitespace),'[a-zA-Z_]\w*' , Name.Namespace, '#pop'), '#pop'), 'funcname' : ['\s+' , Whitespace),'[a-zA-Z_]\w*' , Name.Function, '#pop'), '#pop'), 'typename' : ['\s+' , Whitespace),'&' , Keyword.Pseudo),"'" , Operator, 'lifetime' ),'[a-zA-Z_]\w*' , Name.Class , '#pop'), '#pop'), 'lifetime' : ["(static|_)" , Name.Builtin),"[a-zA-Z_]+\w*" , Name.Attribute),'#pop'), 'number_lit' : ['[ui](8|16|32|64|size)' , Keyword, '#pop'), 'f(32|64)' , Keyword, '#pop'), '#pop'), 'string' : ['"' , String, '#pop'), "" "\\['" \\nrt]|\\x[0-7][0-9a-fA-F]|\\0"" " "" "|\\u\{[0-9a-fA-F]{1,6}\}" "" , String.Escape),'[^\\"]+' , String),'\\' , String),'bytestring' : ["" "\\x[89a-fA-F][0-9a-fA-F]" "" , String.Escape),'string' ),'attribute_common' : ['"' , String, 'string' ),'\[' , Comment.Preproc, 'attribute[' ),'attribute[' : ['attribute_common' ),'\]' , Comment.Preproc, '#pop'), '[^"\]\[]+' , Comment.Preproc),quality 57%
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