proc_macro/lib/utils/proc_macro.js

A JavaScript implementation of proc_macros.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var token_stream_1 = __importDefault(require("./token_stream"));
/**
 * Wrapper function to create the proc_macro tagged template function.
 * @param parsingFunction Function used to parse input.
 */
function proc_macro(parsingFunction) {
    return function (strings) {
        var keys = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            keys[_i - 1] = arguments[_i];
        }
        var tokenString = strings.map(function (str, i) { return str + (keys[i] || ''); }).join('');
        try {
            var tokenStream = token_stream_1.default.tokenize(tokenString);
            var parseOutput = parsingFunction(tokenStream);
            return (typeof parseOutput === 'string') ? parseOutput : parseOutput.toJavaScript();
        }
        catch (e) {
            throw e;
        }
    };
}
exports.default = proc_macro;
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