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Maix0 2024-06-01 22:14:20 +02:00
parent 8338f82e2c
commit 38e6983c0f
1 changed files with 22 additions and 30 deletions
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52
tree-sitter-sh/grammar.js
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@ -1,17 +1,7 @@
/// <reference types="tree-sitter-cli/dsl" /> /// <reference types="tree-sitter-cli/dsl" />
// @ts-check // @ts-check
const SPECIAL_CHARACTERS = [ const SPECIAL_CHARACTERS = ['|', '&', ';', '<', '>', '(', ')', '$', '`', '\\', '"', '\'', '\\s'];
'\'', '"',
'<', '>',
'{', '}',
'\\[', '\\]',
'(', ')',
'`', '$',
'|', '&', ';',
'\\',
'\\s',
];
module.exports = grammar({ module.exports = grammar({
name: "sh", name: "sh",
@ -45,29 +35,31 @@ module.exports = grammar({
), ),
complex_expansion_prefix: _ => prec(1, choice('#')), complex_expansion_prefix: _ => prec(1, choice('#')),
complex_expansion_suffix: $ => choice( complex_expansion_suffix: $ => choice(
...CESuffixRegex(['%', '%%', '#', '##'], $.suffix_matching), ...CESuffixRegex(['%', '%%', '#', '##'], field("argument", $.suffix_matching)),
...CESuffixWord(['+', '-', '=', '?'], $.suffix_word), ...CESuffixWord(['+', '-', '=', '?'], field("argument", $.suffix_word)),
), ),
suffix_matching: _ => 'matching', suffix_matching: _ => 'matching',
suffix_word: _ => 'word', suffix_word: $ => $.word,
varname: $ => choice($._special_varname, seq(/[a-zA-Z]/, repeat(/[a-zA-Z0-9_]/))), varname: $ => choice($._special_varname, seq(/[a-zA-Z]/, repeat(/[a-zA-Z0-9_]/))),
_special_varname: _ => choice("@", "*", "#", "?", "?", "-", "$", "!", "0", /[1-9]/), _special_varname: _ => choice("@", "*", "#", "?", "?", "-", "$", "!", /[0-9]/),
command_substitution: $ => seq("$(", repeat($.program), ")"), command_substitution: $ => seq("$(", repeat(field("command", $.program)), ")"),
arithmetic_expansion: _ => seq("$((", "))"), arithmetic_expansion: _ => seq("$((", "))"),
// word: _ => token(seq( word: _ => token(seq(
// choice( choice(
// noneOf('#', ...SPECIAL_CHARACTERS), noneOf('#', ...SPECIAL_CHARACTERS),
// seq('\\', noneOf('\\s')), seq('\\', noneOf('\\s')),
// ), ),
// repeat(choice( repeat(choice(
// noneOf(...SPECIAL_CHARACTERS), noneOf(...SPECIAL_CHARACTERS),
// seq('\\', noneOf('\\s')), seq('\\', noneOf('\\s')),
// '\\ ', '\\ ',
// )), )),
// )), )),
comment: _ => /#.*$/,
} }
}); });
@ -80,7 +72,7 @@ module.exports = grammar({
*/ */
function noneOf(...characters) { function noneOf(...characters) {
const negatedString = characters.map(c => c == '\\' ? '\\\\' : c).join(''); const negatedString = characters.map(c => c == '\\' ? '\\\\' : c).join('');
return new RegExp('[^' + negatedString + ']'); return new RegExp(`[^${negatedString}]`);
} }
/** /**
@ -115,7 +107,7 @@ function tokenLiterals(precedence, ...literals) {
* @return {RuleOrLiteral[]} * @return {RuleOrLiteral[]}
*/ */
function CESuffixRegex(op, rule) { function CESuffixRegex(op, rule) {
return (op.map(o => seq(o, rule))); return (op.map(o => seq(field("operator", o), rule)));
} }
/** /**
@ -124,5 +116,5 @@ function CESuffixRegex(op, rule) {
* @return {RuleOrLiteral[]} * @return {RuleOrLiteral[]}
*/ */
function CESuffixWord(op, rule) { function CESuffixWord(op, rule) {
return (op.flatMap(o => [seq(token.immediate(`${o}`), rule), seq(token.immediate(`:${o}`), rule)])); return (op.flatMap(o => [seq(field("operator", token.immediate(`${o}`)), rule), seq(field("operator", token.immediate(`:${o}`)), rule)]));
} }