jscc-parser

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JSDoc: Source: main.js</title> <script src="scripts/prettify/prettify.js"> </script> <script src="scripts/prettify/lang-css.js"> </script>  <link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css"> <link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css"> </head> <body> <div id="main"> <h1 class="page-title">Source: main.js</h1> <section> <article> <pre class="prettyprint source linenums"><code>/* * Universal module definition for main entry point of JS/CC. */ (function(root, factory) { /* istanbul ignore next */ if (typeof define === 'function' && define.amd) { define(['require', './global', './io/io', './first', './printtab', './tabgen', './util', './integrity', './lexdbg', './parse', './log/log', './enums/LOG_LEVEL', './enums/EXEC', './lexdfa', './enums/MODE_GEN'], factory); } else if (typeof module === 'object' && module.exports) { module.exports = factory(require); } else { root.jscc = factory(function(mod) { return root["jscc" + mod.split("/").pop()]; }); } }(this, /** * @param {reqParameter} require * @param {...*} others * @returns {function(?mainOptions=)} */ function(require, others) { var io, log, global = /** @type {jscc.global} */ (require("./global")), first = /** @type {jscc.first} */ (require("./first")), printtab = /** @type {jscc.printtab} */ (require("./printtab")), tabgen = /** @type {jscc.tabgen} */ (require("./tabgen")), util = /** @type {jscc.util} */ (require("./util")), integrity = /** @type {jscc.integrity} */ (require("./integrity")), lexdbg = /** @type {jscc.lexdbg} */ (require("./lexdbg")), parse = /** @type {function(string, string=):number} */ (require("./parse")), LOG_LEVEL = require("./enums/LOG_LEVEL"), EXEC = require("./enums/EXEC"), lexdfa = /** @type {jscc.lexdfa} */ (require("./lexdfa")), MODE_GEN = require("./enums/MODE_GEN"); //>>excludeStart("closure", pragmas.closure); var has = /** @type {hasObject} */ (require("./localHas")); //>>excludeEnd("closure"); /** * @suppress {uselessCode} */ (function() { if (has("node")) { io = /** @type {jscc.io} */ (require("./io/ioNode")); log = /** @type {jscc.log} */ (require("./log/logNode")); } else { io = /** @type {jscc.io} */ (require("./io/io")); log = /** @type {jscc.log} */ (require("./log/log")); } })(); /** * The main entry point of JS/CC. Call this module as a function to * process a grammar specification. * @module jscc * @requires module:jscc/global * @requires module:jscc/io/io * @requires module:jscc/first * @requires module:jscc/printtab * @requires module:jscc/tabgen * @requires module:jscc/util * @requires module:jscc/integrity * @requires module:jscc/lexdbg * @requires module:jscc/parse * @requires module:jscc/log/log * @param {?mainOptions=} options - Configuration options for the jscc module. */ var main = function(options) { var opt = options || {}; var logLevel = /** jscc.enums.LOG_LEVEL */ (LOG_LEVEL.WARN); if (typeof opt['logLevel'] === 'string') { logLevel = util.log_level_value(opt['logLevel']); } else if (opt['logLevel']) { logLevel = /** jscc.enums.LOG_LEVEL */ (opt['logLevel']); } log.setLevel(logLevel); log.trace("jscc main: processing options"); var out_file = (typeof opt['out_file'] === 'string') ? opt['out_file'] : ""; var src_file = (typeof opt['src_file'] === 'string') ? opt['src_file'] : ""; var tpl_file = (typeof opt['tpl_file'] === 'string') ? opt['tpl_file'] : ""; var dump_nfa = (typeof opt['dump_nfa'] === 'boolean') ? opt['dump_nfa'] : false; var dump_dfa = (typeof opt['dump_dfa'] === 'boolean') ? opt['dump_dfa'] : false; var verbose = (typeof opt['verbose'] === 'boolean') ? opt['verbose'] : false; var inputString = /** @type {string} */ ((typeof opt['input'] === 'string') ? opt['input'] : ""); var inputFunction = (typeof opt['input'] === 'function') ? opt['input'] : null; var templateString = (typeof opt['template'] === 'string') ? opt['template'] : global.DEFAULT_DRIVER; var templateFunction = (typeof opt['template'] === 'function') ? opt['template'] : null; var outputCallback = (typeof opt['outputCallback'] === 'function') ? opt['outputCallback'] : null; var throwIfErrors = (typeof opt['throwIfErrors'] === 'boolean') ? opt['throwIfErrors'] : false; var exitIfErrors = (typeof opt['exitIfErrors'] === 'boolean') ? opt['exitIfErrors'] : false; // Only relevant to browsers, but include anyway if (inputString !== "") { global.read_all_input_function = function() { return inputString; } } else if (inputFunction) { global.read_all_input_function = inputFunction; } if (templateString !== "") { global.read_template_function = function() { return templateString; } } else if (templateFunction) { global.read_template_function = templateFunction; } if (outputCallback) { global.write_output_function = outputCallback; } global.file = (src_file || "") === "" ? "[input]" : src_file; global.dump_nfa = dump_nfa; global.dump_dfa = dump_dfa; log.trace("jscc main: reading source"); var src = inputString; if (src === "") { if (inputFunction) { src = inputFunction(); } else if (src_file !== "") { src = /** @type {string} */ (io.read_all_input(src_file)); } else { // TODO: read standard input log.error("No input. Specify input or src_file in the options parameter."); } } if (src !== "") { log.trace("jscc main: parse"); parse(src, global.file); if (global.errors == 0) { log.trace("jscc main: integrity.undef()"); integrity.undef(); log.trace("jscc main: integrity.unreachable()"); integrity.unreachable(); if (global.errors == 0) { log.trace("jscc main: first.first()"); first.first(); log.trace("jscc main: tabgen.lalr1_parse_table(false)"); tabgen.lalr1_parse_table(false); log.trace("jscc main: integrity.check_empty_states()"); integrity.check_empty_states(); if (global.errors == 0) { if (global.dump_dfa) { lexdbg.print_dfa(global.dfa_states); } log.trace("jscc main: lexdfa.create_subset(global.nfa_states.value)"); global.dfa_states = lexdfa.create_subset(global.nfa_states.value); log.trace("jscc main: lexdfa.minimize_dfa(global.dfa_states)"); global.dfa_states = lexdfa.minimize_dfa(global.dfa_states); log.trace("jscc main: read template"); /** * @type {string} */ var driver = templateString; if (templateFunction) { driver = templateFunction(); } else if (tpl_file !== "") { driver = /** @type {string} */ (io.read_template(tpl_file)); } log.trace("jscc main: replace template strings"); driver = driver.replace(/##HEADER##/gi, global.code_head); driver = driver.replace(/##TABLES##/gi, printtab.print_parse_tables(MODE_GEN.JS)); driver = driver.replace(/##DFA##/gi, printtab.print_dfa_table(global.dfa_states)); driver = driver.replace(/##TERMINAL_ACTIONS##/gi, printtab.print_term_actions()); driver = driver.replace(/##LABELS##/gi, printtab.print_symbol_labels()); driver = driver.replace(/##ACTIONS##/gi, printtab.print_actions()); driver = driver.replace(/##FOOTER##/gi, global.code_foot); driver = driver.replace(/##ERROR_TOKEN##/gi, printtab.get_error_symbol_id().toString()); driver = driver.replace(/##EOF##/gi, printtab.get_eof_symbol_id().toString()); driver = /** @type {string} */ (driver.replace(/##WHITESPACE##/gi, printtab.get_whitespace_symbol_id().toString())); log.trace("jscc main: output"); if (global.errors == 0) { if (outputCallback) { outputCallback(driver); } else if (out_file != "") { io.write_output({ text: driver, destination: out_file }); } else { io.write_output(driver); } } if (verbose) { log.info("\"" + src_file + "\" produced " + global.states.length + " states (" + global.shifts + " shifts," + global.reduces + " reductions, " + global.gotos + " gotos)"); } } } } if (verbose) { log.info(global.warnings + " warning" + (global.warnings > 1 ? "s" : "") + ", " + global.errors + " error" + (global.errors > 1 ? "s" : "")); } } if (exitIfErrors && global.errors > 0) { io.exit(1); } if (throwIfErrors && global.errors > 0) { throw new Error("There were one or more compilation errors. See the log output for more information."); } }; return main; })); </code></pre> </article> </section> </div> <nav> <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-jscc.html">jscc</a></li><li><a href="module-jscc_bitset_BitSet32.html">jscc/bitset/BitSet32</a></li><li><a href="module-jscc_bitset_BitSetBool.html">jscc/bitset/BitSetBool</a></li><li><a href="module-jscc_bitset_BitSetJava.html">jscc/bitset/BitSetJava</a></li><li><a href="module-jscc_classes_Dfa.html">jscc/classes/Dfa</a></li><li><a href="module-jscc_classes_Item.html">jscc/classes/Item</a></li><li><a href="module-jscc_classes_Nfa.html">jscc/classes/Nfa</a></li><li><a href="module-jscc_classes_Param.html">jscc/classes/Param</a></li><li><a href="module-jscc_classes_Production.html">jscc/classes/Production</a></li><li><a href="module-jscc_classes_State.html">jscc/classes/State</a></li><li><a href="module-jscc_classes_Symbol.html">jscc/classes/Symbol</a></li><li><a href="module-jscc_classes_TableEntry.html">jscc/classes/TableEntry</a></li><li><a href="module-jscc_enums_ASSOC.html">jscc/enums/ASSOC</a></li><li><a href="module-jscc_enums_EDGE.html">jscc/enums/EDGE</a></li><li><a href="module-jscc_enums_EXEC.html">jscc/enums/EXEC</a></li><li><a href="module-jscc_enums_LOG_LEVEL.html">jscc/enums/LOG_LEVEL</a></li><li><a href="module-jscc_enums_MODE_GEN.html">jscc/enums/MODE_GEN</a></li><li><a href="module-jscc_enums_SPECIAL.html">jscc/enums/SPECIAL</a></li><li><a href="module-jscc_enums_SYM.html">jscc/enums/SYM</a></li><li><a href="module-jscc_first.html">jscc/first</a></li><li><a href="module-jscc_global.html">jscc/global</a></li><li><a href="module-jscc_integrity.html">jscc/integrity</a></li><li><a href="module-jscc_io_io.html">jscc/io/io</a></li><li><a href="module-jscc_lexdbg.html">jscc/lexdbg</a></li><li><a href="module-jscc_lexdfa.html">jscc/lexdfa</a></li><li><a href="module-jscc_log_log.html">jscc/log/log</a></li><li><a href="module-jscc_parse.html">jscc/parse</a></li><li><a href="module-jscc_printtab.html">jscc/printtab</a></li><li><a href="module-jscc_regex.html">jscc/regex</a></li><li><a href="module-jscc_util.html">jscc/util</a></li></ul><h3>Classes</h3><ul><li><a href="-_anonymous_-jscc.BitSet32.html">BitSet32</a></li><li><a href="-_anonymous_-jscc.BitSetBool.html">BitSetBool</a></li><li><a href="-_anonymous_-jscc.BitSetJava.html">BitSetJava</a></li><li><a href="-_anonymous_-jscc.classes.Dfa.html">classes.Dfa</a></li><li><a href="-_anonymous_-jscc.first.html">first</a></li><li><a href="-_anonymous_-jscc.global.html">global</a></li><li><a href="-_anonymous_-jscc.integrity.html">integrity</a></li><li><a href="-_anonymous_-jscc.ioBrowser.html">ioBrowser</a></li><li><a href="-_anonymous_-jscc.ioNashorn.html">ioNashorn</a></li><li><a href="-_anonymous_-jscc.ioNode.html">ioNode</a></li><li><a href="-_anonymous_-jscc.ioRhino.html">ioRhino</a></li><li><a href="-_anonymous_-jscc.lexdbg.html">lexdbg</a></li><li><a href="-_anonymous_-jscc.lexdfa.html">lexdfa</a></li><li><a href="-_anonymous_-jscc.logBrowser.html">logBrowser</a></li><li><a href="-_anonymous_-jscc.logJava.html">logJava</a></li><li><a href="-_anonymous_-jscc.logNode.html">logNode</a></li><li><a href="-_anonymous_-jscc.printtab.html">printtab</a></li><li><a href="-_anonymous_-jscc.util.html">util</a></li><li><a href="jscc_debug.html">jscc/debug</a></li><li><a href="jscc_nfaStates.html">jscc/nfaStates</a></li><li><a href="jscc_tabgen.html">jscc/tabgen</a></li><li><a href="%257Bjscc.classes%257D.jscc.classes.State.html">jscc.classes.State</a></li></ul><h3>Namespaces</h3><ul><li><a href="jscc.debug.html">debug</a></li></ul><h3>Interfaces</h3><ul><li><a href="jscc.bitset.html">bitset</a></li><li><a href="jscc.io.html">io</a></li><li><a href="jscc.log.html">log</a></li></ul><h3><a href="global.html">Global</a></h3> </nav> <br class="clear"> <footer> Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.0</a> on Mon Aug 01 2016 13:35:55 GMT-0500 (Central Daylight Time) </footer> <script> prettyPrint(); </script> <script src="scripts/linenumber.js"> </script> </body> </html>