# function definition
- identifier: "fn [a-z0-9_]+"
# Reserved words
- - statement: "\\b(abstract|alignof|as|become|box|break|const|continue|crate|do|else|enum|extern|false|final|fn|for|if|impl|in|let|loop|macro|match|mod|move|mut|offsetof|override|priv|pub|pure|ref|return|sizeof|static|self|struct|super|true|trait|type|typeof|unsafe|unsized|use|virtual|where|while|yield)\\b"
+ - statement: "\\b(abstract|alignof|as|async|await|become|box|break|const|continue|crate|do|dyn|else|enum|extern|false|final|fn|for|if|impl|in|let|loop|macro|match|mod|move|mut|offsetof|override|priv|pub|pure|ref|return|sizeof|static|self|struct|super|true|trait|type|typeof|unsafe|unsized|use|virtual|where|while|yield)\\b"
# macros
- special: "[a-z_]+!"
# Constants
- - constant: "[A-Z][A-Z_]+"
+ - constant: "\\b[A-Z][A-Z_0-9]+\\b"
# Numbers
- constant.number: "\\b[0-9]+\\b"
+ # Booleans
+ - constant: "\\b(true|false)\\b"
# Traits/Enums/Structs/Types/etc.
- - type: "[A-Z][a-z]+"
+ - type: "\\b[A-Z]+[a-zA-Z_0-9]*[a-z]+[a-zA-Z_0-9]*\\b"
+ # Builtin types that start with lowercase.
+ - type: "\\b(bool|str|isize|usize|((i|u)(8|16|32|64))|f32|f64)\\b"
- constant.string:
start: "\""
- end: "(?<!\\\\)\""
+ end: "\""
+ skip: '\\.'
rules:
- - constant.specialChar: "\\\\."
+ - constant.specialChar: '\\.'
- constant.string:
start: "r#+\""
end: "\"#+"
rules: []
+ # Character literals
+ # NOTE: This is an ugly hack to work around the fact that rust uses
+ # single quotes both for character literals and lifetimes.
+ # Match all character literals.
+ - constant.string: "'(\\\\.|.)'"
+ # Match the '"' literal which would otherwise match
+ # as a double quoted string and destroy the highlighting.
+ - constant.string:
+ start: "'\""
+ end: "'"
+ rules: []
+
- comment:
start: "//"
end: "$"
start: "#!\\["
end: "\\]"
rules: []
-