path: root/src/embind/embind.js

/*global Module*/
/*global _malloc, _free, _memcpy*/
/*global FUNCTION_TABLE, HEAP32*/
/*global Pointer_stringify, writeStringToMemory*/
/*global __emval_register, _emval_handle_array, __emval_decref*/
/*global ___getDynamicPointerType: false*/
/*global ___dynamicPointerCast: false*/
/*global ___typeName:false*/
/*global ___staticPointerCast: false*/

function exposePublicSymbol(name, value) {
    if (Module.hasOwnProperty(name)) {
        throw new BindingError("Cannot register public name '" + name + "' twice");
    }
    Module[name] = value;
}

function createNamedFunction(name, body) {
    /*jshint evil:true*/
    return new Function(
        "body",
        "return function " + name + "() {\n" +
        "    return body.apply(this, arguments);\n" +
        "};\n"
    )(body);
}

function _embind_repr(v) {
    var t = typeof v;
    if (t === 'object' || t === 'array' || t === 'function') {
        return v.toString();
    } else {
        return '' + v;
    }
}

var typeRegistry = {};

function registerType(rawType, name, registeredInstance) {
    if (!rawType) {
        throw new BindingError('type "' + name + '" must have a positive integer typeid pointer');
    }
    if (typeRegistry.hasOwnProperty(rawType)) {
        throw new BindingError("Cannot register type '" + name + "' twice");
    }
    registeredInstance.rawType = rawType;
    registeredInstance.name = name;
    typeRegistry[rawType] = registeredInstance;
    return registeredInstance;
}

function requireRegisteredType(rawType, humanName) {
    var impl = typeRegistry[rawType];
    if (undefined === impl) {
        throw new BindingError(humanName + " has unknown type " + typeName(rawType));
    }
    return impl;
}

function typeName(rawType) {
    return Pointer_stringify(___typeName(rawType));
}

function requireArgumentTypes(argCount, rawArgTypes, name) {
    var argTypes = new Array(argCount);
    for (var i = 0; i < argCount; ++i) {
        var rawArgType = HEAP32[(rawArgTypes >> 2) + i];
        if (i === 0) {
            argTypes[i] = requireRegisteredType(rawArgType, name + " return value");
        } else {
            argTypes[i] = requireRegisteredType(rawArgType, name + " parameter " + i);
        }
    }
    return argTypes;
}

function RegisteredVoid() {
}

RegisteredVoid.prototype.fromWireType = function() {
    return undefined;
};

function __embind_register_void(rawType, name) {
    name = Pointer_stringify(name);
    registerType(rawType, name, new RegisteredVoid());
}

function RegisteredBool(trueValue, falseValue) {
    this.trueValue = trueValue;
    this.falseValue = falseValue;
}

RegisteredBool