28 lines
718 B
TypeScript
28 lines
718 B
TypeScript
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import {Command, CommandData, ParseContext, StrTerm} from "./command.js";
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import {Executable} from "../parse.js";
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import {LexInput} from "../lexer.js";
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export type OnData = {
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type: 'line'|'word',
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specific: StrTerm,
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exec: Executable<CommandData>,
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}
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export class On extends Command<OnData> {
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async attemptParse(context: ParseContext): Promise<OnData> {
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return {
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type: context.popKeywordInSet(['line', 'word']).value,
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specific: context.popTerm(),
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exec: await context.popExecutable(),
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}
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}
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getDisplayName(): string {
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return 'on'
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}
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isParseCandidate(token: LexInput): boolean {
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return this.isKeyword(token, 'on')
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}
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}
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