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// Copyright (c) 2017, Matt Godbolt
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
"use strict";
function definition() {
return {
defaultToken: 'invalid',
keywords: [
'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',
'proc', 'pub', 'pure', 'ref', 'return',
'Self', 'self', 'sizeof', 'static', 'struct',
'super', 'trait', 'true', 'type', 'typeof',
'unsafe', 'unsized', 'use', 'virtual', 'where',
'while', 'yield'
],
typeKeywords: [
'array', 'bool', 'char', 'f32', 'f64', 'i16', 'i32', 'i64', 'i8',
'isize', 'pointer', 'slice', 'str', 'tuple', 'u16', 'u32', 'u64', 'u8',
'usize'
],
operators: [
'=', '>', '<', '!', '~', '?', ':',
'==', '<=', '>=', '!=', '&&', '||', '++', '--',
'+', '-', '*', '/', '&', '|', '^', '%', '<<',
'>>', '>>>', '+=', '-=', '*=', '/=', '&=', '|=',
'^=', '%=', '<<=', '>>=', '>>>='
],
symbols: /[=><!~?:&|+\-*/^%]+/,
escapes: /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
// The main tokenizer for our languages
tokenizer: {
root: [
// identifiers and keywords
[/[a-z_$][\w$]*/, {
cases: {
'@typeKeywords': 'keyword',
'@keywords': 'keyword',
'@default': 'identifier'
}
}],
[/[A-Z][\w$]*/, 'type.identifier'], // to show class names nicely
// whitespace
{include: '@whitespace'},
// delimiters and operators
[/[{}()[\]]/, '@brackets'],
[/[<>](?!@symbols)/, '@brackets'],
[/@symbols/, {
cases: {
'@operators': 'operator',
'@default': ''
}
}],
[/#!\[[^]*]/, 'annotation'],
[/#!.*$/, 'annotation.invalid'],
// numbers
[/\d*\.\d+([eE][-+]?\d+)?[fFdD]?/, 'number.float'],
[/0[xX][0-9a-fA-F_]*[0-9a-fA-F][Ll]?/, 'number.hex'],
[/0[0-7_]*[0-7][Ll]?/, 'number.octal'],
[/0[bB][0-1_]*[0-1][Ll]?/, 'number.binary'],
[/\d+[lL]?/, 'number'],
// delimiter: after number because of .\d floats
[/[;,.]/, 'delimiter'],
// strings
[/"([^"\\]|\\.)*$/, 'string.invalid'], // non-teminated string
[/"/, 'string', '@string'],
// characters
[/'[^\\']'/, 'string'],
[/(')(@escapes)(')/, ['string', 'string.escape', 'string']],
[/'/, 'string.invalid']
],
whitespace: [
[/[ \t\r\n]+/, 'white'],
[/\/\*/, 'comment', '@comment'],
[/\/\/.*$/, 'comment']
],
comment: [
[/[^/*]+/, 'comment'],
[/\/\*/, 'comment', '@push'],
[/\/\*/, 'comment.invalid'],
["\\*/", 'comment', '@pop'],
[/[/*]/, 'comment']
],
string: [
[/[^\\"]+/, 'string'],
[/@escapes/, 'string.escape'],
[/\\./, 'string.escape.invalid'],
[/"/, 'string', '@pop']
]
}
};
}
monaco.languages.register({id: 'rust'});
monaco.languages.setMonarchTokensProvider('rust', definition());