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snes_spc.js
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snes_spc.js
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// The Module object: Our interface to the outside world. We import
// and export values on it, and do the work to get that through
// closure compiler if necessary. There are various ways Module can be used:
// 1. Not defined. We create it here
// 2. A function parameter, function(Module) { ..generated code.. }
// 3. pre-run appended it, var Module = {}; ..generated code..
// 4. External script tag defines var Module.
// We need to do an eval in order to handle the closure compiler
// case, where this code here is minified but Module was defined
// elsewhere (e.g. case 4 above). We also need to check if Module
// already exists (e.g. case 3 above).
// Note that if you want to run closure, and also to use Module
// after the generated code, you will need to define var Module = {};
// before the code. Then that object will be used in the code, and you
// can continue to use Module afterwards as well.
var Module;
if (!Module) Module = (typeof Module !== 'undefined' ? Module : null) || {};
// Sometimes an existing Module object exists with properties
// meant to overwrite the default module functionality. Here
// we collect those properties and reapply _after_ we configure
// the current environment's defaults to avoid having to be so
// defensive during initialization.
var moduleOverrides = {};
for (var key in Module) {
if (Module.hasOwnProperty(key)) {
moduleOverrides[key] = Module[key];
}
}
// The environment setup code below is customized to use Module.
// *** Environment setup code ***
var ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof require === 'function';
var ENVIRONMENT_IS_WEB = typeof window === 'object';
var ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
if (ENVIRONMENT_IS_NODE) {
// Expose functionality in the same simple way that the shells work
// Note that we pollute the global namespace here, otherwise we break in node
if (!Module['print']) Module['print'] = function print(x) {
process['stdout'].write(x + '\n');
};
if (!Module['printErr']) Module['printErr'] = function printErr(x) {
process['stderr'].write(x + '\n');
};
var nodeFS = require('fs');
var nodePath = require('path');
Module['read'] = function read(filename, binary) {
filename = nodePath['normalize'](filename);
var ret = nodeFS['readFileSync'](filename);
// The path is absolute if the normalized version is the same as the resolved.
if (!ret && filename != nodePath['resolve'](filename)) {
filename = path.join(__dirname, '..', 'src', filename);
ret = nodeFS['readFileSync'](filename);
}
if (ret && !binary) ret = ret.toString();
return ret;
};
Module['readBinary'] = function readBinary(filename) { return Module['read'](filename, true) };
Module['load'] = function load(f) {
globalEval(read(f));
};
Module['thisProgram'] = process['argv'][1].replace(/\\/g, '/');
Module['arguments'] = process['argv'].slice(2);
if (typeof module !== 'undefined') {
module['exports'] = Module;
}
process['on']('uncaughtException', function(ex) {
// suppress ExitStatus exceptions from showing an error
if (!(ex instanceof ExitStatus)) {
throw ex;
}
});
}
else if (ENVIRONMENT_IS_SHELL) {
if (!Module['print']) Module['print'] = print;
if (typeof printErr != 'undefined') Module['printErr'] = printErr; // not present in v8 or older sm
if (typeof read != 'undefined') {
Module['read'] = read;
} else {
Module['read'] = function read() { throw 'no read() available (jsc?)' };
}
Module['readBinary'] = function readBinary(f) {
return read(f, 'binary');
};
if (typeof scriptArgs != 'undefined') {
Module['arguments'] = scriptArgs;
} else if (typeof arguments != 'undefined') {
Module['arguments'] = arguments;
}
this['Module'] = Module;
}
else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
Module['read'] = function read(url) {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
xhr.send(null);
return xhr.responseText;
};
if (typeof arguments != 'undefined') {
Module['arguments'] = arguments;
}
if (typeof console !== 'undefined') {
if (!Module['print']) Module['print'] = function print(x) {
console.log(x);
};
if (!Module['printErr']) Module['printErr'] = function printErr(x) {
console.log(x);
};
} else {
// Probably a worker, and without console.log. We can do very little here...
var TRY_USE_DUMP = false;
if (!Module['print']) Module['print'] = (TRY_USE_DUMP && (typeof(dump) !== "undefined") ? (function(x) {
dump(x);
}) : (function(x) {
// self.postMessage(x); // enable this if you want stdout to be sent as messages
}));
}
if (ENVIRONMENT_IS_WEB) {
window['Module'] = Module;
} else {
Module['load'] = importScripts;
}
}
else {
// Unreachable because SHELL is dependant on the others
throw 'Unknown runtime environment. Where are we?';
}
function globalEval(x) {
eval.call(null, x);
}
if (!Module['load'] == 'undefined' && Module['read']) {
Module['load'] = function load(f) {
globalEval(Module['read'](f));
};
}
if (!Module['print']) {
Module['print'] = function(){};
}
if (!Module['printErr']) {
Module['printErr'] = Module['print'];
}
if (!Module['arguments']) {
Module['arguments'] = [];
}
if (!Module['thisProgram']) {
Module['thisProgram'] = './this.program';
}
// *** Environment setup code ***
// Closure helpers
Module.print = Module['print'];
Module.printErr = Module['printErr'];
// Callbacks
Module['preRun'] = [];
Module['postRun'] = [];
// Merge back in the overrides
for (var key in moduleOverrides) {
if (moduleOverrides.hasOwnProperty(key)) {
Module[key] = moduleOverrides[key];
}
}
// === Preamble library stuff ===
// Documentation for the public APIs defined in this file must be updated in:
// site/source/docs/api_reference/preamble.js.rst
// A prebuilt local version of the documentation is available at:
// site/build/text/docs/api_reference/preamble.js.txt
// You can also build docs locally as HTML or other formats in site/
// An online HTML version (which may be of a different version of Emscripten)
// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
//========================================
// Runtime code shared with compiler
//========================================
var Runtime = {
setTempRet0: function (value) {
tempRet0 = value;
},
getTempRet0: function () {
return tempRet0;
},
stackSave: function () {
return STACKTOP;
},
stackRestore: function (stackTop) {
STACKTOP = stackTop;
},
forceAlign: function (target, quantum) {
quantum = quantum || 4;
if (quantum == 1) return target;
if (isNumber(target) && isNumber(quantum)) {
return Math.ceil(target/quantum)*quantum;
} else if (isNumber(quantum) && isPowerOfTwo(quantum)) {
return '(((' +target + ')+' + (quantum-1) + ')&' + -quantum + ')';
}
return 'Math.ceil((' + target + ')/' + quantum + ')*' + quantum;
},
isNumberType: function (type) {
return type in Runtime.INT_TYPES || type in Runtime.FLOAT_TYPES;
},
isPointerType: function isPointerType(type) {
return type[type.length-1] == '*';
},
isStructType: function isStructType(type) {
if (isPointerType(type)) return false;
if (isArrayType(type)) return true;
if (/<?\{ ?[^}]* ?\}>?/.test(type)) return true; // { i32, i8 } etc. - anonymous struct types
// See comment in isStructPointerType()
return type[0] == '%';
},
INT_TYPES: {"i1":0,"i8":0,"i16":0,"i32":0,"i64":0},
FLOAT_TYPES: {"float":0,"double":0},
or64: function (x, y) {
var l = (x | 0) | (y | 0);
var h = (Math.round(x / 4294967296) | Math.round(y / 4294967296)) * 4294967296;
return l + h;
},
and64: function (x, y) {
var l = (x | 0) & (y | 0);
var h = (Math.round(x / 4294967296) & Math.round(y / 4294967296)) * 4294967296;
return l + h;
},
xor64: function (x, y) {
var l = (x | 0) ^ (y | 0);
var h = (Math.round(x / 4294967296) ^ Math.round(y / 4294967296)) * 4294967296;
return l + h;
},
getNativeTypeSize: function (type) {
switch (type) {
case 'i1': case 'i8': return 1;
case 'i16': return 2;
case 'i32': return 4;
case 'i64': return 8;
case 'float': return 4;
case 'double': return 8;
default: {
if (type[type.length-1] === '*') {
return Runtime.QUANTUM_SIZE; // A pointer
} else if (type[0] === 'i') {
var bits = parseInt(type.substr(1));
assert(bits % 8 === 0);
return bits/8;
} else {
return 0;
}
}
}
},
getNativeFieldSize: function (type) {
return Math.max(Runtime.getNativeTypeSize(type), Runtime.QUANTUM_SIZE);
},
dedup: function dedup(items, ident) {
var seen = {};
if (ident) {
return items.filter(function(item) {
if (seen[item[ident]]) return false;
seen[item[ident]] = true;
return true;
});
} else {
return items.filter(function(item) {
if (seen[item]) return false;
seen[item] = true;
return true;
});
}
},
set: function set() {
var args = typeof arguments[0] === 'object' ? arguments[0] : arguments;
var ret = {};
for (var i = 0; i < args.length; i++) {
ret[args[i]] = 0;
}
return ret;
},
STACK_ALIGN: 8,
getAlignSize: function (type, size, vararg) {
// we align i64s and doubles on 64-bit boundaries, unlike x86
if (!vararg && (type == 'i64' || type == 'double')) return 8;
if (!type) return Math.min(size, 8); // align structures internally to 64 bits
return Math.min(size || (type ? Runtime.getNativeFieldSize(type) : 0), Runtime.QUANTUM_SIZE);
},
calculateStructAlignment: function calculateStructAlignment(type) {
type.flatSize = 0;
type.alignSize = 0;
var diffs = [];
var prev = -1;
var index = 0;
type.flatIndexes = type.fields.map(function(field) {
index++;
var size, alignSize;
if (Runtime.isNumberType(field) || Runtime.isPointerType(field)) {
size = Runtime.getNativeTypeSize(field); // pack char; char; in structs, also char[X]s.
alignSize = Runtime.getAlignSize(field, size);
} else if (Runtime.isStructType(field)) {
if (field[1] === '0') {
// this is [0 x something]. When inside another structure like here, it must be at the end,
// and it adds no size
// XXX this happens in java-nbody for example... assert(index === type.fields.length, 'zero-length in the middle!');
size = 0;
if (Types.types[field]) {
alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize);
} else {
alignSize = type.alignSize || QUANTUM_SIZE;
}
} else {
size = Types.types[field].flatSize;
alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize);
}
} else if (field[0] == 'b') {
// bN, large number field, like a [N x i8]
size = field.substr(1)|0;
alignSize = 1;
} else if (field[0] === '<') {
// vector type
size = alignSize = Types.types[field].flatSize; // fully aligned
} else if (field[0] === 'i') {
// illegal integer field, that could not be legalized because it is an internal structure field
// it is ok to have such fields, if we just use them as markers of field size and nothing more complex
size = alignSize = parseInt(field.substr(1))/8;
assert(size % 1 === 0, 'cannot handle non-byte-size field ' + field);
} else {
assert(false, 'invalid type for calculateStructAlignment');
}
if (type.packed) alignSize = 1;
type.alignSize = Math.max(type.alignSize, alignSize);
var curr = Runtime.alignMemory(type.flatSize, alignSize); // if necessary, place this on aligned memory
type.flatSize = curr + size;
if (prev >= 0) {
diffs.push(curr-prev);
}
prev = curr;
return curr;
});
if (type.name_ && type.name_[0] === '[') {
// arrays have 2 elements, so we get the proper difference. then we scale here. that way we avoid
// allocating a potentially huge array for [999999 x i8] etc.
type.flatSize = parseInt(type.name_.substr(1))*type.flatSize/2;
}
type.flatSize = Runtime.alignMemory(type.flatSize, type.alignSize);
if (diffs.length == 0) {
type.flatFactor = type.flatSize;
} else if (Runtime.dedup(diffs).length == 1) {
type.flatFactor = diffs[0];
}
type.needsFlattening = (type.flatFactor != 1);
return type.flatIndexes;
},
generateStructInfo: function (struct, typeName, offset) {
var type, alignment;
if (typeName) {
offset = offset || 0;
type = (typeof Types === 'undefined' ? Runtime.typeInfo : Types.types)[typeName];
if (!type) return null;
if (type.fields.length != struct.length) {
printErr('Number of named fields must match the type for ' + typeName + ': possibly duplicate struct names. Cannot return structInfo');
return null;
}
alignment = type.flatIndexes;
} else {
var type = { fields: struct.map(function(item) { return item[0] }) };
alignment = Runtime.calculateStructAlignment(type);
}
var ret = {
__size__: type.flatSize
};
if (typeName) {
struct.forEach(function(item, i) {
if (typeof item === 'string') {
ret[item] = alignment[i] + offset;
} else {
// embedded struct
var key;
for (var k in item) key = k;
ret[key] = Runtime.generateStructInfo(item[key], type.fields[i], alignment[i]);
}
});
} else {
struct.forEach(function(item, i) {
ret[item[1]] = alignment[i];
});
}
return ret;
},
dynCall: function (sig, ptr, args) {
if (args && args.length) {
if (!args.splice) args = Array.prototype.slice.call(args);
args.splice(0, 0, ptr);
return Module['dynCall_' + sig].apply(null, args);
} else {
return Module['dynCall_' + sig].call(null, ptr);
}
},
functionPointers: [],
addFunction: function (func) {
for (var i = 0; i < Runtime.functionPointers.length; i++) {
if (!Runtime.functionPointers[i]) {
Runtime.functionPointers[i] = func;
return 2*(1 + i);
}
}
throw 'Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS.';
},
removeFunction: function (index) {
Runtime.functionPointers[(index-2)/2] = null;
},
getAsmConst: function (code, numArgs) {
// code is a constant string on the heap, so we can cache these
if (!Runtime.asmConstCache) Runtime.asmConstCache = {};
var func = Runtime.asmConstCache[code];
if (func) return func;
var args = [];
for (var i = 0; i < numArgs; i++) {
args.push(String.fromCharCode(36) + i); // $0, $1 etc
}
var source = Pointer_stringify(code);
if (source[0] === '"') {
// tolerate EM_ASM("..code..") even though EM_ASM(..code..) is correct
if (source.indexOf('"', 1) === source.length-1) {
source = source.substr(1, source.length-2);
} else {
// something invalid happened, e.g. EM_ASM("..code($0)..", input)
abort('invalid EM_ASM input |' + source + '|. Please use EM_ASM(..code..) (no quotes) or EM_ASM({ ..code($0).. }, input) (to input values)');
}
}
try {
// Module is the only 'upvar', which we provide directly. We also provide FS for legacy support.
var evalled = eval('(function(Module, FS) { return function(' + args.join(',') + '){ ' + source + ' } })')(Module, typeof FS !== 'undefined' ? FS : null);
} catch(e) {
Module.printErr('error in executing inline EM_ASM code: ' + e + ' on: \n\n' + source + '\n\nwith args |' + args + '| (make sure to use the right one out of EM_ASM, EM_ASM_ARGS, etc.)');
throw e;
}
return Runtime.asmConstCache[code] = evalled;
},
warnOnce: function (text) {
if (!Runtime.warnOnce.shown) Runtime.warnOnce.shown = {};
if (!Runtime.warnOnce.shown[text]) {
Runtime.warnOnce.shown[text] = 1;
Module.printErr(text);
}
},
funcWrappers: {},
getFuncWrapper: function (func, sig) {
assert(sig);
if (!Runtime.funcWrappers[sig]) {
Runtime.funcWrappers[sig] = {};
}
var sigCache = Runtime.funcWrappers[sig];
if (!sigCache[func]) {
sigCache[func] = function dynCall_wrapper() {
return Runtime.dynCall(sig, func, arguments);
};
}
return sigCache[func];
},
UTF8Processor: function () {
var buffer = [];
var needed = 0;
this.processCChar = function (code) {
code = code & 0xFF;
if (buffer.length == 0) {
if ((code & 0x80) == 0x00) { // 0xxxxxxx
return String.fromCharCode(code);
}
buffer.push(code);
if ((code & 0xE0) == 0xC0) { // 110xxxxx
needed = 1;
} else if ((code & 0xF0) == 0xE0) { // 1110xxxx
needed = 2;
} else { // 11110xxx
needed = 3;
}
return '';
}
if (needed) {
buffer.push(code);
needed--;
if (needed > 0) return '';
}
var c1 = buffer[0];
var c2 = buffer[1];
var c3 = buffer[2];
var c4 = buffer[3];
var ret;
if (buffer.length == 2) {
ret = String.fromCharCode(((c1 & 0x1F) << 6) | (c2 & 0x3F));
} else if (buffer.length == 3) {
ret = String.fromCharCode(((c1 & 0x0F) << 12) | ((c2 & 0x3F) << 6) | (c3 & 0x3F));
} else {
// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
var codePoint = ((c1 & 0x07) << 18) | ((c2 & 0x3F) << 12) |
((c3 & 0x3F) << 6) | (c4 & 0x3F);
ret = String.fromCharCode(
(((codePoint - 0x10000) / 0x400)|0) + 0xD800,
(codePoint - 0x10000) % 0x400 + 0xDC00);
}
buffer.length = 0;
return ret;
}
this.processJSString = function processJSString(string) {
/* TODO: use TextEncoder when present,
var encoder = new TextEncoder();
encoder['encoding'] = "utf-8";
var utf8Array = encoder['encode'](aMsg.data);
*/
string = unescape(encodeURIComponent(string));
var ret = [];
for (var i = 0; i < string.length; i++) {
ret.push(string.charCodeAt(i));
}
return ret;
}
},
getCompilerSetting: function (name) {
throw 'You must build with -s RETAIN_COMPILER_SETTINGS=1 for Runtime.getCompilerSetting or emscripten_get_compiler_setting to work';
},
stackAlloc: function (size) { var ret = STACKTOP;STACKTOP = (STACKTOP + size)|0;STACKTOP = (((STACKTOP)+7)&-8); return ret; },
staticAlloc: function (size) { var ret = STATICTOP;STATICTOP = (STATICTOP + size)|0;STATICTOP = (((STATICTOP)+7)&-8); return ret; },
dynamicAlloc: function (size) { var ret = DYNAMICTOP;DYNAMICTOP = (DYNAMICTOP + size)|0;DYNAMICTOP = (((DYNAMICTOP)+7)&-8); if (DYNAMICTOP >= TOTAL_MEMORY) enlargeMemory();; return ret; },
alignMemory: function (size,quantum) { var ret = size = Math.ceil((size)/(quantum ? quantum : 8))*(quantum ? quantum : 8); return ret; },
makeBigInt: function (low,high,unsigned) { var ret = (unsigned ? ((+((low>>>0)))+((+((high>>>0)))*4294967296.0)) : ((+((low>>>0)))+((+((high|0)))*4294967296.0))); return ret; },
GLOBAL_BASE: 8,
QUANTUM_SIZE: 4,
__dummy__: 0
}
Module['Runtime'] = Runtime;
//========================================
// Runtime essentials
//========================================
var __THREW__ = 0; // Used in checking for thrown exceptions.
var ABORT = false; // whether we are quitting the application. no code should run after this. set in exit() and abort()
var EXITSTATUS = 0;
var undef = 0;
// tempInt is used for 32-bit signed values or smaller. tempBigInt is used
// for 32-bit unsigned values or more than 32 bits. TODO: audit all uses of tempInt
var tempValue, tempInt, tempBigInt, tempInt2, tempBigInt2, tempPair, tempBigIntI, tempBigIntR, tempBigIntS, tempBigIntP, tempBigIntD, tempDouble, tempFloat;
var tempI64, tempI64b;
var tempRet0, tempRet1, tempRet2, tempRet3, tempRet4, tempRet5, tempRet6, tempRet7, tempRet8, tempRet9;
function assert(condition, text) {
if (!condition) {
abort('Assertion failed: ' + text);
}
}
var globalScope = this;
// Returns the C function with a specified identifier (for C++, you need to do manual name mangling)
function getCFunc(ident) {
var func = Module['_' + ident]; // closure exported function
if (!func) {
try {
func = eval('_' + ident); // explicit lookup
} catch(e) {}
}
assert(func, 'Cannot call unknown function ' + ident + ' (perhaps LLVM optimizations or closure removed it?)');
return func;
}
var cwrap, ccall;
(function(){
var stack = 0;
var JSfuncs = {
'stackSave' : function() {
stack = Runtime.stackSave();
},
'stackRestore' : function() {
Runtime.stackRestore(stack);
},
// type conversion from js to c
'arrayToC' : function(arr) {
var ret = Runtime.stackAlloc(arr.length);
writeArrayToMemory(arr, ret);
return ret;
},
'stringToC' : function(str) {
var ret = 0;
if (str !== null && str !== undefined && str !== 0) { // null string
ret = Runtime.stackAlloc(str.length + 1); // +1 for the trailing '\0'
writeStringToMemory(str, ret);
}
return ret;
}
};
// For fast lookup of conversion functions
var toC = {'string' : JSfuncs['stringToC'], 'array' : JSfuncs['arrayToC']};
// C calling interface.
ccall = function ccallFunc(ident, returnType, argTypes, args) {
var func = getCFunc(ident);
var cArgs = [];
if (args) {
for (var i = 0; i < args.length; i++) {
var converter = toC[argTypes[i]];
if (converter) {
if (stack === 0) stack = Runtime.stackSave();
cArgs[i] = converter(args[i]);
} else {
cArgs[i] = args[i];
}
}
}
var ret = func.apply(null, cArgs);
if (returnType === 'string') ret = Pointer_stringify(ret);
if (stack !== 0) JSfuncs['stackRestore']();
return ret;
}
var sourceRegex = /^function\s*\(([^)]*)\)\s*{\s*([^*]*?)[\s;]*(?:return\s*(.*?)[;\s]*)?}$/;
function parseJSFunc(jsfunc) {
// Match the body and the return value of a javascript function source
var parsed = jsfunc.toString().match(sourceRegex).slice(1);
return {arguments : parsed[0], body : parsed[1], returnValue: parsed[2]}
}
var JSsource = {};
for (var fun in JSfuncs) {
if (JSfuncs.hasOwnProperty(fun)) {
// Elements of toCsource are arrays of three items:
// the code, and the return value
JSsource[fun] = parseJSFunc(JSfuncs[fun]);
}
}
cwrap = function cwrap(ident, returnType, argTypes) {
argTypes = argTypes || [];
var cfunc = getCFunc(ident);
// When the function takes numbers and returns a number, we can just return
// the original function
var numericArgs = argTypes.every(function(type){ return type === 'number'});
var numericRet = (returnType !== 'string');
if ( numericRet && numericArgs) {
return cfunc;
}
// Creation of the arguments list (["$1","$2",...,"$nargs"])
var argNames = argTypes.map(function(x,i){return '$'+i});
var funcstr = "(function(" + argNames.join(',') + ") {";
var nargs = argTypes.length;
if (!numericArgs) {
// Generate the code needed to convert the arguments from javascript
// values to pointers
funcstr += JSsource['stackSave'].body + ';';
for (var i = 0; i < nargs; i++) {
var arg = argNames[i], type = argTypes[i];
if (type === 'number') continue;
var convertCode = JSsource[type + 'ToC']; // [code, return]
funcstr += 'var ' + convertCode.arguments + ' = ' + arg + ';';
funcstr += convertCode.body + ';';
funcstr += arg + '=' + convertCode.returnValue + ';';
}
}
// When the code is compressed, the name of cfunc is not literally 'cfunc' anymore
var cfuncname = parseJSFunc(function(){return cfunc}).returnValue;
// Call the function
funcstr += 'var ret = ' + cfuncname + '(' + argNames.join(',') + ');';
if (!numericRet) { // Return type can only by 'string' or 'number'
// Convert the result to a string
var strgfy = parseJSFunc(function(){return Pointer_stringify}).returnValue;
funcstr += 'ret = ' + strgfy + '(ret);';
}
if (!numericArgs) {
// If we had a stack, restore it
funcstr += JSsource['stackRestore'].body + ';';
}
funcstr += 'return ret})';
return eval(funcstr);
};
})();
Module["cwrap"] = cwrap;
Module["ccall"] = ccall;
function setValue(ptr, value, type, noSafe) {
type = type || 'i8';
if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
switch(type) {
case 'i1': HEAP8[((ptr)>>0)]=value; break;
case 'i8': HEAP8[((ptr)>>0)]=value; break;
case 'i16': HEAP16[((ptr)>>1)]=value; break;
case 'i32': HEAP32[((ptr)>>2)]=value; break;
case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math_abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math_min((+(Math_floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break;
case 'float': HEAPF32[((ptr)>>2)]=value; break;
case 'double': HEAPF64[((ptr)>>3)]=value; break;
default: abort('invalid type for setValue: ' + type);
}
}
Module['setValue'] = setValue;
function getValue(ptr, type, noSafe) {
type = type || 'i8';
if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
switch(type) {
case 'i1': return HEAP8[((ptr)>>0)];
case 'i8': return HEAP8[((ptr)>>0)];
case 'i16': return HEAP16[((ptr)>>1)];
case 'i32': return HEAP32[((ptr)>>2)];
case 'i64': return HEAP32[((ptr)>>2)];
case 'float': return HEAPF32[((ptr)>>2)];
case 'double': return HEAPF64[((ptr)>>3)];
default: abort('invalid type for setValue: ' + type);
}
return null;
}
Module['getValue'] = getValue;
var ALLOC_NORMAL = 0; // Tries to use _malloc()
var ALLOC_STACK = 1; // Lives for the duration of the current function call
var ALLOC_STATIC = 2; // Cannot be freed
var ALLOC_DYNAMIC = 3; // Cannot be freed except through sbrk
var ALLOC_NONE = 4; // Do not allocate
Module['ALLOC_NORMAL'] = ALLOC_NORMAL;
Module['ALLOC_STACK'] = ALLOC_STACK;
Module['ALLOC_STATIC'] = ALLOC_STATIC;
Module['ALLOC_DYNAMIC'] = ALLOC_DYNAMIC;
Module['ALLOC_NONE'] = ALLOC_NONE;
// allocate(): This is for internal use. You can use it yourself as well, but the interface
// is a little tricky (see docs right below). The reason is that it is optimized
// for multiple syntaxes to save space in generated code. So you should
// normally not use allocate(), and instead allocate memory using _malloc(),
// initialize it with setValue(), and so forth.
// @slab: An array of data, or a number. If a number, then the size of the block to allocate,
// in *bytes* (note that this is sometimes confusing: the next parameter does not
// affect this!)
// @types: Either an array of types, one for each byte (or 0 if no type at that position),
// or a single type which is used for the entire block. This only matters if there
// is initial data - if @slab is a number, then this does not matter at all and is
// ignored.
// @allocator: How to allocate memory, see ALLOC_*
function allocate(slab, types, allocator, ptr) {
var zeroinit, size;
if (typeof slab === 'number') {
zeroinit = true;
size = slab;
} else {
zeroinit = false;
size = slab.length;
}
var singleType = typeof types === 'string' ? types : null;
var ret;
if (allocator == ALLOC_NONE) {
ret = ptr;
} else {
ret = [_malloc, Runtime.stackAlloc, Runtime.staticAlloc, Runtime.dynamicAlloc][allocator === undefined ? ALLOC_STATIC : allocator](Math.max(size, singleType ? 1 : types.length));
}
if (zeroinit) {
var ptr = ret, stop;
assert((ret & 3) == 0);
stop = ret + (size & ~3);
for (; ptr < stop; ptr += 4) {
HEAP32[((ptr)>>2)]=0;
}
stop = ret + size;
while (ptr < stop) {
HEAP8[((ptr++)>>0)]=0;
}
return ret;
}
if (singleType === 'i8') {
if (slab.subarray || slab.slice) {
HEAPU8.set(slab, ret);
} else {
HEAPU8.set(new Uint8Array(slab), ret);
}
return ret;
}
var i = 0, type, typeSize, previousType;
while (i < size) {
var curr = slab[i];
if (typeof curr === 'function') {
curr = Runtime.getFunctionIndex(curr);
}
type = singleType || types[i];
if (type === 0) {
i++;
continue;
}
if (type == 'i64') type = 'i32'; // special case: we have one i32 here, and one i32 later
setValue(ret+i, curr, type);
// no need to look up size unless type changes, so cache it
if (previousType !== type) {
typeSize = Runtime.getNativeTypeSize(type);
previousType = type;
}
i += typeSize;
}
return ret;
}
Module['allocate'] = allocate;
function Pointer_stringify(ptr, /* optional */ length) {
// TODO: use TextDecoder
// Find the length, and check for UTF while doing so
var hasUtf = false;
var t;
var i = 0;
while (1) {
t = HEAPU8[(((ptr)+(i))>>0)];
if (t >= 128) hasUtf = true;
else if (t == 0 && !length) break;
i++;
if (length && i == length) break;
}
if (!length) length = i;
var ret = '';
if (!hasUtf) {
var MAX_CHUNK = 1024; // split up into chunks, because .apply on a huge string can overflow the stack
var curr;
while (length > 0) {
curr = String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + Math.min(length, MAX_CHUNK)));
ret = ret ? ret + curr : curr;
ptr += MAX_CHUNK;
length -= MAX_CHUNK;
}
return ret;
}
var utf8 = new Runtime.UTF8Processor();
for (i = 0; i < length; i++) {
t = HEAPU8[(((ptr)+(i))>>0)];
ret += utf8.processCChar(t);
}
return ret;
}
Module['Pointer_stringify'] = Pointer_stringify;
function UTF16ToString(ptr) {
var i = 0;
var str = '';
while (1) {
var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
if (codeUnit == 0)
return str;
++i;
// fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through.
str += String.fromCharCode(codeUnit);
}
}
Module['UTF16ToString'] = UTF16ToString;
function stringToUTF16(str, outPtr) {
for(var i = 0; i < str.length; ++i) {
// charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
HEAP16[(((outPtr)+(i*2))>>1)]=codeUnit;
}
// Null-terminate the pointer to the HEAP.
HEAP16[(((outPtr)+(str.length*2))>>1)]=0;
}
Module['stringToUTF16'] = stringToUTF16;
function UTF32ToString(ptr) {
var i = 0;
var str = '';
while (1) {
var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
if (utf32 == 0)
return str;
++i;
// Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
if (utf32 >= 0x10000) {
var ch = utf32 - 0x10000;
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
} else {
str += String.fromCharCode(utf32);
}
}
}
Module['UTF32ToString'] = UTF32ToString;
function stringToUTF32(str, outPtr) {
var iChar = 0;
for(var iCodeUnit = 0; iCodeUnit < str.length; ++iCodeUnit) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
var codeUnit = str.charCodeAt(iCodeUnit); // possibly a lead surrogate
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
var trailSurrogate = str.charCodeAt(++iCodeUnit);
codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
}
HEAP32[(((outPtr)+(iChar*4))>>2)]=codeUnit;
++iChar;
}
// Null-terminate the pointer to the HEAP.
HEAP32[(((outPtr)+(iChar*4))>>2)]=0;
}
Module['stringToUTF32'] = stringToUTF32;
function demangle(func) {
var hasLibcxxabi = !!Module['___cxa_demangle'];
if (hasLibcxxabi) {
try {
var buf = _malloc(func.length);
writeStringToMemory(func.substr(1), buf);
var status = _malloc(4);
var ret = Module['___cxa_demangle'](buf, 0, 0, status);
if (getValue(status, 'i32') === 0 && ret) {
return Pointer_stringify(ret);
}
// otherwise, libcxxabi failed, we can try ours which may return a partial result
} catch(e) {
// failure when using libcxxabi, we can try ours which may return a partial result
} finally {
if (buf) _free(buf);
if (status) _free(status);
if (ret) _free(ret);
}
}
var i = 3;
// params, etc.
var basicTypes = {
'v': 'void',
'b': 'bool',
'c': 'char',
's': 'short',
'i': 'int',
'l': 'long',
'f': 'float',
'd': 'double',
'w': 'wchar_t',
'a': 'signed char',
'h': 'unsigned char',
't': 'unsigned short',
'j': 'unsigned int',
'm': 'unsigned long',
'x': 'long long',
'y': 'unsigned long long',
'z': '...'
};
var subs = [];
var first = true;
function dump(x) {
//return;
if (x) Module.print(x);
Module.print(func);
var pre = '';
for (var a = 0; a < i; a++) pre += ' ';
Module.print (pre + '^');
}