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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
"use strict";
class NumberValue {
constructor(value = 0)
{
this._value = value;
}
get value() { return this._value; }
apply(state, parameters)
{
state.validate(parameters.length == 0, "Should not pass arguments to simple numeric variables");
return this._value;
}
leftApply(state, parameters)
{
state.validate(parameters.length == 0, "Should not pass arguments to simple numeric variables");
return this;
}
assign(value)
{
this._value = value;
}
}
class NumberArray {
constructor(dim = [11])
{
function allocateDim(index)
{
let result = new Array(dim[index]);
if (index + 1 < dim.length) {
for (let i = 0; i < dim[index]; ++i)
result[i] = allocateDim(index + 1);
} else {
for (let i = 0; i < dim[index]; ++i)
result[i] = new NumberValue();
}
return result;
}
this._array = allocateDim(0);
this._dim = dim;
}
apply(state, parameters)
{
return this.leftApply(state, parameters).apply(state, []);
}
leftApply(state, parameters)
{
if (this._dim.length != parameters.length)
state.abort("Expected " + this._dim.length + " arguments but " + parameters.length + " were passed.");
let result = this._array;
for (var i = 0; i < parameters.length; ++i) {
let index = Math.floor(parameters[i]);
if (!(index >= state.program.base) || !(index < result.length))
state.abort("Index out of bounds: " + index);
result = result[index];
}
return result;
}
}
class NumberFunction {
constructor(parameters, code)
{
this._parameters = parameters;
this._code = code;
}
apply(state, parameters)
{
if (this._parameters.length != parameters.length)
state.abort("Expected " + this._parameters.length + " arguments but " + parameters.length + " were passed");
let oldValues = state.values;
state.values = new Map(oldValues);
for (let i = 0; i < parameters.length; ++i)
state.values.set(this._parameters[i], parameters[i]);
let result = this.code.evaluate(state);
state.values = oldValues;
return result;
}
leftApply(state, parameters)
{
state.abort("Cannot use a function as an lvalue");
}
}
class NativeFunction {
constructor(callback)
{
this._callback = callback;
}
apply(state, parameters)
{
if (this._callback.length != parameters.length)
state.abort("Expected " + this._callback.length + " arguments but " + parameters.length + " were passed");
return this._callback(...parameters);
}
leftApply(state, parameters)
{
state.abort("Cannot use a native function as an lvalue");
}
}