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chore(generate): dedup and warn about duplicate or invalid rules

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This commit is contained in:
Amaan Qureshi 2024-02-10 21:11:03 -05:00
parent 78ccc39ca9
commit ce5f5fffc1
1 changed files with 11 additions and 1 deletions
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12
cli/src/generate/dsl.js
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@ -351,7 +351,17 @@ function grammar(baseGrammar, options) {
throw new Error("Grammar's inline must be an array of rules.");
}
inline = inlineRules.map(symbol => symbol.name);
inline = inlineRules.filter((symbol, index, self) => {
if (self.findIndex(s => s.name === symbol.name) !== index) {
console.log(`Warning: duplicate inline rule '${symbol.name}'`);
return false;
}
if (symbol.name === 'ReferenceError') {
console.log(`Warning: inline rule '${symbol.symbol.name}' is not defined.`);
return false;
}
return true;
}).map(symbol => symbol.name);
}
let supertypes = baseGrammar.supertypes;