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88 lines
3.0 KiB
88 lines
3.0 KiB
/*
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* TinyJS
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*
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* A single-file Javascript-alike engine
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*
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* Authored By Gordon Williams <gw@pur3.co.uk>
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*
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* Copyright (C) 2009 Pur3 Ltd
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* This is a simple program showing how to use TinyJS
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*/
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#include "TinyJS.h"
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#include "TinyJS_Functions.h"
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#include <assert.h>
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#include <stdio.h>
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//const char *code = "var a = 5; if (a==5) a=4; else a=3;";
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//const char *code = "{ var a = 4; var b = 1; while (a>0) { b = b * 2; a = a - 1; } var c = 5; }";
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//const char *code = "{ var b = 1; for (var i=0;i<4;i=i+1) b = b * 2; }";
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const char *code = "function myfunc(x, y) { return x + y; } var a = myfunc(1,2); print(a);";
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void js_print(CScriptVar *v, void *userdata) {
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printf("> %s\n", v->getParameter("text")->getString().c_str());
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}
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void js_dump(CScriptVar *v, void *userdata) {
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CTinyJS *js = (CTinyJS*)userdata;
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js->root->trace("> ");
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}
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int main(int argc, char **argv)
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{
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CTinyJS *js = new CTinyJS();
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/* add the functions from TinyJS_Functions.cpp */
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registerFunctions(js);
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/* Add a native function */
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js->addNative("function print(text)", &js_print, 0);
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js->addNative("function dump()", &js_dump, js);
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/* Execute out bit of code - we could call 'evaluate' here if
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we wanted something returned */
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try {
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js->execute("var lets_quit = 0; function quit() { lets_quit = 1; }");
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js->execute("print(\"Interactive mode... Type quit(); to exit, or print(...); to print something, or dump() to dump the symbol table!\");");
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} catch (CScriptException *e) {
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printf("ERROR: %s\n", e->text.c_str());
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}
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while (js->evaluate("lets_quit") == "0") {
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char buffer[2048];
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fgets ( buffer, sizeof(buffer), stdin );
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try {
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js->execute(buffer);
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} catch (CScriptException *e) {
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printf("ERROR: %s\n", e->text.c_str());
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}
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}
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delete js;
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#ifdef _WIN32
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#ifdef _DEBUG
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_CrtDumpMemoryLeaks();
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#endif
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#endif
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return 0;
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}
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