@nodescript/core/out/main/compiler/SymTable.js

Visual programming language for Browser and Node

import { CompilerError } from './CompilerError.js';
export class SymTable {
    constructor() {
        this.symCounters = new Map();
        this.symtable = new Map();
    }
    get(id, fallback) {
        const sym = this.symtable.get(id);
        if (sym == null) {
            if (fallback == null) {
                throw new CompilerError(`Symbol not found: ${id}`);
            }
            return fallback;
        }
        return sym;
    }
    set(id, sym) {
        this.symtable.set(id, sym);
    }
    nextSym(sym) {
        const c = this.symCounters.get(sym) ?? 0;
        this.symCounters.set(sym, c + 1);
        return `${sym}${c + 1}`;
    }
}
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