Function tagTopLevelSymbol

lib/optimize/InnerGraph.js:313–337

* @param {JavascriptParser} parser parser * @param {string} name name of variable * @param {PureCondition=} pure pure condition * @returns {TopLevelSymbol=} symbol

(parser, name, pure)

	 * @returns {TopLevelSymbol=} symbol
	 */
	function tagTopLevelSymbol(parser, name, pure) {
		const innerGraphState = getState(parser.state);
		if (!innerGraphState) return;

		parser.defineVariable(name);

		const existingTag = /** @type {TopLevelSymbol} */ (
			parser.getTagData(name, topLevelSymbolTag)
		);
		if (existingTag) {
			if (pure !== undefined) {
				existingTag.setPure(pure);
			}
			return existingTag;
		}

		const symbol = new TopLevelSymbol(name, pure);
		parser.tagVariable(
			name,
			topLevelSymbolTag,
			symbol,
			JavascriptParser.VariableInfoFlags.Normal
		);
		return symbol;
	}

	/**
	 * @param {Module} module module