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pref: remove rearrangeRules from AbstractMermaidTokenBuilder

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This commit is contained in:
Reda Al Sulais 2023-12-31 15:31:15 +03:00
parent c2ea23f01f
commit 54a09ead95
1 changed files with 1 additions and 31 deletions
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32
packages/parser/src/language/common/tokenBuilder.ts
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@ -1,5 +1,5 @@
import type { GrammarAST, Stream, TokenBuilderOptions } from 'langium';
import type { TokenType, TokenVocabulary } from 'chevrotain';
import type { TokenType } from 'chevrotain';
import { DefaultTokenBuilder } from 'langium';
@ -11,14 +11,6 @@ export abstract class AbstractMermaidTokenBuilder extends DefaultTokenBuilder {
this.keywords = new Set<string>(keywords);
}
public override buildTokens(
grammar: GrammarAST.Grammar,
options?: TokenBuilderOptions | undefined
): TokenVocabulary {
this.rearrangeRules(grammar.rules);
return super.buildTokens(grammar, options);
}
protected override buildKeywordTokens(
rules: Stream<GrammarAST.AbstractRule>,
terminalTokens: TokenType[],
@ -33,28 +25,6 @@ export abstract class AbstractMermaidTokenBuilder extends DefaultTokenBuilder {
});
return tokenTypes;
}
/**
* Reorders rules using a pivot rule.
*
* We use this function to reorder rules because imported rules are
* inserted at the end of the array.
*
* @param rules - the grammar rules.
*/
private rearrangeRules(rules: GrammarAST.AbstractRule[]): void {
const index = rules.findIndex((rule) => rule.name === 'TitleAndAccessibilities');
if (index === -1) {
return;
}
const [item] = rules.splice(index, 1);
rules.unshift(item);
const itemsToMove = rules.splice(1, index);
rules.push(...itemsToMove);
}
}
export class CommonTokenBuilder extends AbstractMermaidTokenBuilder {}