diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/closure-externs.js | 110 | ||||
-rw-r--r-- | src/library_uuid.js | 140 | ||||
-rw-r--r-- | src/modules.js | 2 | ||||
-rw-r--r-- | src/parseTools.js | 9 | ||||
-rw-r--r-- | src/settings.js | 2 | ||||
-rw-r--r-- | src/struct_info.json | 12 |
6 files changed, 272 insertions, 3 deletions
diff --git a/src/closure-externs.js b/src/closure-externs.js new file mode 100644 index 00000000..a82aa669 --- /dev/null +++ b/src/closure-externs.js @@ -0,0 +1,110 @@ +/** + * This file contains definitions for things that we'd really rather the closure compiler *didn't* minify. + * See http://code.google.com/p/closure-compiler/wiki/FAQ#How_do_I_write_an_externs_file + * See also the discussion here: https://github.com/kripken/emscripten/issues/1979 + * + * The closure_compiler() method in tools/shared.py refers to this file when calling closure. + */ + +// Closure externs used by library_uuid.js + +/** + * @param {Array} typedArray + */ +crypto.getRandomValues = function(typedArray) {}; + +/** + BEGIN_NODE_INCLUDE + var crypto = require('crypto'); + END_NODE_INCLUDE + */ + +/** + * @type {Object.<string,*>} + */ +var crypto = {}; + +/** + * @param {number} size + * @param {function(Error, buffer.Buffer)} callback + */ +crypto.randomBytes = function(size, callback) {}; + + +// Closure externs used by library_sockfs.js + +/** + BEGIN_NODE_INCLUDE + var ws = require('ws'); + END_NODE_INCLUDE + */ + +/** + * @type {Object.<string,*>} + */ +var ws = {}; + +/** + * @param {string} event + * @param {function()} callback + */ +ws.on = function(event, callback) {}; + +/** + * @param {Object} data + * @param {Object} flags + * @param {function()=} callback + */ +ws.send = function(data, flags, callback) {}; + +/** +* @type {boolean} +*/ +ws.binaryType; + +/** + * @type {Object.<string,*>} + */ +var wss = ws.Server; + +/** + * @param {string} event + * @param {function()} callback + */ +wss.on = function(event, callback) {}; + +/** + * @param {function()} callback + */ +wss.broadcast = function(callback) {}; + +/** +* @type {Object.<string,*>} +*/ +wss._socket; + +/** +* @type {string} +*/ +wss.url; + +/** +* @type {string} +*/ +wss._socket.remoteAddress; + +/** +* @type {number} +*/ +wss._socket.remotePort; + +/** +* @type {Object.<string,*>} +*/ +var flags = {}; +/** +* @type {boolean} +*/ +flags.binary; + + diff --git a/src/library_uuid.js b/src/library_uuid.js new file mode 100644 index 00000000..adfd1882 --- /dev/null +++ b/src/library_uuid.js @@ -0,0 +1,140 @@ +// Implementation of libuuid creating RFC4122 version 4 random UUIDs. + +mergeInto(LibraryManager.library, { + // Clear a 'compact' UUID. + uuid_clear: function(uu) { + // void uuid_clear(uuid_t uu); + _memset(uu, 0, 16); + }, + + // Compare whether or not two 'compact' UUIDs are the same. + // Returns an integer less than, equal to, or greater than zero if uu1 is found, respectively, to be + // lexigraphically less than, equal, or greater than uu2. + uuid_compare__deps: ['memcmp'], + uuid_compare: function(uu1, uu2) { + // int uuid_compare(const uuid_t uu1, const uuid_t uu2); + return _memcmp(uu1, uu2, 16); + }, + + // Copies the 'compact' UUID variable from src to dst. + uuid_copy: function(dst, src) { + // void uuid_copy(uuid_t dst, const uuid_t src); + _memcpy(dst, src, 16); + }, + + // Write a RFC4122 version 4 compliant UUID largely based on the method found in + // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript + // tweaked slightly in order to use the 'compact' UUID form used by libuuid. + uuid_generate: function(out) { + // void uuid_generate(uuid_t out); + var uuid = null; + + if (ENVIRONMENT_IS_NODE) { + // If Node.js try to use crypto.randomBytes + try { + var rb = require('crypto').randomBytes; + uuid = rb(16); + } catch(e) {} + } else if (ENVIRONMENT_IS_WEB && + typeof(window.crypto) !== 'undefined' && + typeof(window.crypto.getRandomValues) !== 'undefined') { + // If crypto.getRandomValues is available try to use it. + uuid = new Uint8Array(16); + window.crypto.getRandomValues(uuid); + } + + // Fall back to Math.random if a higher quality random number generator is not available. + if (!uuid) { + uuid = new Array(16); + var d = new Date().getTime(); + for (var i = 0; i < 16; i++) { + var r = (d + Math.random()*256)%256 | 0; + d = Math.floor(d/256); + uuid[i] = r; + } + } + + uuid[6] = (uuid[6] & 0x0F) | 0x40; + uuid[8] = (uuid[8] & 0x7F) | 0x80; + writeArrayToMemory(uuid, out); + }, + + // Compares the value of the supplied 'compact' UUID variable uu to the NULL value. + // If the value is equal to the NULL UUID, 1 is returned, otherwise 0 is returned. + uuid_is_null: function(uu) { + // int uuid_is_null(const uuid_t uu); + for (var i = 0; i < 4; i++, uu = (uu+4)|0) { + var val = {{{ makeGetValue('uu', 0, 'i32') }}}; + if (val) { + return 0; + } + } + return 1; + }, + + // converts the UUID string given by inp into the binary representation. The input UUID is a string of + // the form "%08x-%04x-%04x-%04x-%012x" 36 bytes plus the trailing '\0'. + // Upon successfully parsing the input string, 0 is returned, and the UUID is stored in the location + // pointed to by uu, otherwise -1 is returned. + uuid_parse: function(inp, uu) { + // int uuid_parse(const char *in, uuid_t uu); + var inp = Pointer_stringify(inp); + if (inp.length === 36) { + var i = 0; + var uuid = new Array(16); + inp.toLowerCase().replace(/[0-9a-f]{2}/g, function(byte) { + if (i < 16) { + uuid[i++] = parseInt(byte, 16); + } + }); + + if (i < 16) { + return -1; + } else { + writeArrayToMemory(uuid, uu); + return 0; + } + } else { + return -1; + } + }, + + // Convert a 'compact' form UUID to a string, if the upper parameter is supplied make the string upper case. + uuid_unparse: function(uu, out, upper) { + // void uuid_unparse(const uuid_t uu, char *out); + var i = 0; + var uuid = 'xxxx-xx-xx-xx-xxxxxx'.replace(/[x]/g, function(c) { + var r = upper ? ({{{ makeGetValue('uu', 'i', 'i8', 0, 1) }}}).toString(16).toUpperCase() : + ({{{ makeGetValue('uu', 'i', 'i8', 0, 1) }}}).toString(16); + r = (r.length === 1) ? '0' + r : r; // Zero pad single digit hex values + i++; + return r; + }); + writeStringToMemory(uuid, out); + }, + + // Convert a 'compact' form UUID to a lower case string. + uuid_unparse_lower__deps: ['uuid_unparse'], + uuid_unparse_lower: function(uu, out) { + // void uuid_unparse_lower(const uuid_t uu, char *out); + _uuid_unparse(uu, out); + }, + + // Convert a 'compact' form UUID to an upper case string. + uuid_unparse_upper__deps: ['uuid_unparse'], + uuid_unparse_upper: function(uu, out) { + // void uuid_unparse_upper(const uuid_t uu, char *out); + _uuid_unparse(uu, out, true); + }, + + uuid_type: function(uu) { + // int uuid_type(const uuid_t uu); + return {{{ cDefine('UUID_TYPE_DCE_RANDOM') }}}; + }, + + uuid_variant: function(uu) { + // int uuid_variant(const uuid_t uu); + return {{{ cDefine('UUID_VARIANT_DCE') }}}; + } +}); + diff --git a/src/modules.js b/src/modules.js index e2d3433f..c0b98f6f 100644 --- a/src/modules.js +++ b/src/modules.js @@ -424,7 +424,7 @@ var LibraryManager = { load: function() { if (this.library) return; - var libraries = ['library.js', 'library_path.js', 'library_fs.js', 'library_idbfs.js', 'library_memfs.js', 'library_nodefs.js', 'library_sockfs.js', 'library_tty.js', 'library_browser.js', 'library_sdl.js', 'library_gl.js', 'library_glut.js', 'library_xlib.js', 'library_egl.js', 'library_gc.js', 'library_jansson.js', 'library_openal.js', 'library_glfw.js'].concat(additionalLibraries); + var libraries = ['library.js', 'library_path.js', 'library_fs.js', 'library_idbfs.js', 'library_memfs.js', 'library_nodefs.js', 'library_sockfs.js', 'library_tty.js', 'library_browser.js', 'library_sdl.js', 'library_gl.js', 'library_glut.js', 'library_xlib.js', 'library_egl.js', 'library_gc.js', 'library_jansson.js', 'library_openal.js', 'library_glfw.js', 'library_uuid.js'].concat(additionalLibraries); for (var i = 0; i < libraries.length; i++) { eval(processMacros(preprocess(read(libraries[i])))); } diff --git a/src/parseTools.js b/src/parseTools.js index 655248b3..4d6d7bd3 100644 --- a/src/parseTools.js +++ b/src/parseTools.js @@ -49,7 +49,8 @@ function preprocess(text) { showStack.push(ident in this && this[ident] > 0); } } else if (line[2] == 'n') { // include - ret += '\n' + read(line.substr(line.indexOf(' ')+1)) + '\n' + var included = read(line.substr(line.indexOf(' ')+1)); + ret += '\n' + preprocess(included) + '\n' } } else if (line[2] == 'l') { // else showStack.push(!showStack.pop()); @@ -1639,7 +1640,10 @@ function getFastValue(a, op, b, type) { } function getFastValues(list, op, type) { - assert(op == '+'); + assert(op === '+' && type === 'i32'); + for (var i = 0; i < list.length; i++) { + if (isNumber(list[i])) list[i] = (list[i]|0) + ''; + } var changed = true; while (changed) { changed = false; @@ -1647,6 +1651,7 @@ function getFastValues(list, op, type) { var fast = getFastValue(list[i], op, list[i+1], type); var raw = list[i] + op + list[i+1]; if (fast.length < raw.length || fast.indexOf(op) < 0) { + if (isNumber(fast)) fast = (fast|0) + ''; list[i] = fast; list.splice(i+1, 1); i--; diff --git a/src/settings.js b/src/settings.js index 753e2367..04b2cc79 100644 --- a/src/settings.js +++ b/src/settings.js @@ -156,6 +156,8 @@ var OUTLINING_LIMIT = 0; // A function size above which we try to automatically // with, but something around 20,000 to 100,000 might make sense. // (The unit size is number of AST nodes.) +var AGGRESSIVE_VARIABLE_ELIMINATION = 0; // Run aggressiveVariableElimination in js-optimizer.js + // Generated code debugging options var SAFE_HEAP = 0; // Check each write to the heap, for example, this will give a clear // error on what would be segfaults in a native build (like deferencing diff --git a/src/struct_info.json b/src/struct_info.json index c136cc8b..a22851b6 100644 --- a/src/struct_info.json +++ b/src/struct_info.json @@ -1061,5 +1061,17 @@ "patch" ] } + }, + { + "file": "uuid/uuid.h", + "defines": [ + "UUID_VARIANT_NCS", + "UUID_VARIANT_DCE", + "UUID_VARIANT_MICROSOFT", + "UUID_VARIANT_OTHER", + "UUID_TYPE_DCE_TIME", + "UUID_TYPE_DCE_RANDOM" + ], + "structs": {} } ] |