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feat(dsl)!: support other JS runtimes

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ObserverOfTime 2024-05-24 23:53:33 +03:00 • committed by GitHub
parent d77279d2e3
commit 055d0cbd34
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7 changed files with 72 additions and 31 deletions
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46
cli/src/generate/dsl.js
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@ -223,7 +223,7 @@ function RuleBuilder(ruleMap) {
}
function grammar(baseGrammar, options) {
let inherits = null;
let inherits = undefined;
if (!options) {
options = baseGrammar;
@ -421,7 +421,7 @@ function grammar(baseGrammar, options) {
return {
grammar: {
name,
...(inherits ? ( inherits ) : {}),
inherits,
word,
rules,
extras,
@ -456,18 +456,32 @@ function checkPrecedence(value) {
}
}
global.alias = alias;
global.blank = blank;
global.choice = choice;
global.optional = optional;
global.prec = prec;
global.repeat = repeat;
global.repeat1 = repeat1;
global.seq = seq;
global.sym = sym;
global.token = token;
global.grammar = grammar;
global.field = field;
function getEnv(name) {
if (globalThis.process) return process.env[name]; // Node/Bun
if (globalThis.Deno) return Deno.env.get(name); // Deno
throw Error("Unsupported JS runtime");
}
const result = require(process.env.TREE_SITTER_GRAMMAR_PATH);
process.stdout.write(JSON.stringify(result.grammar, null, null));
globalThis.alias = alias;
globalThis.blank = blank;
globalThis.choice = choice;
globalThis.optional = optional;
globalThis.prec = prec;
globalThis.repeat = repeat;
globalThis.repeat1 = repeat1;
globalThis.seq = seq;
globalThis.sym = sym;
globalThis.token = token;
globalThis.grammar = grammar;
globalThis.field = field;
const result = await import(getEnv("TREE_SITTER_GRAMMAR_PATH"));
const output = JSON.stringify(result.default?.grammar ?? result.grammar);
if (globalThis.process) { // Node/Bun
process.stdout.write(output);
} else if (globalThis.Deno) { // Deno
Deno.stdout.writeSync(new TextEncoder().encode(output));
} else {
throw Error("Unsupported JS runtime");
}