You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
2.6 KiB
85 lines
2.6 KiB
/*
|
|
* TinyJS
|
|
*
|
|
* A single-file Javascript-alike engine
|
|
*
|
|
* Authored By Gordon Williams <gw@pur3.co.uk>
|
|
*
|
|
* Copyright (C) 2009 Pur3 Ltd
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
/*
|
|
* This is a simple program showing how to use TinyJS
|
|
*/
|
|
|
|
#include "TinyJS.h"
|
|
#include "TinyJS_Functions.h"
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
|
|
|
|
//const char *code = "var a = 5; if (a==5) a=4; else a=3;";
|
|
//const char *code = "{ var a = 4; var b = 1; while (a>0) { b = b * 2; a = a - 1; } var c = 5; }";
|
|
//const char *code = "{ var b = 1; for (var i=0;i<4;i=i+1) b = b * 2; }";
|
|
const char *code = "function myfunc(x, y) { return x + y; } var a = myfunc(1,2); print(a);";
|
|
|
|
void js_print(CScriptVar *v, void *userdata) {
|
|
printf("> %s\n", v->getParameter("text")->getString().c_str());
|
|
}
|
|
|
|
void js_dump(CScriptVar *v, void *userdata) {
|
|
CTinyJS *js = (CTinyJS*)userdata;
|
|
js->root->trace("> ");
|
|
}
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
CTinyJS *js = new CTinyJS();
|
|
/* add the functions from TinyJS_Functions.cpp */
|
|
registerFunctions(js);
|
|
/* Add a native function */
|
|
js->addNative("function print(text)", &js_print, 0);
|
|
js->addNative("function dump()", &js_dump, js);
|
|
/* Execute out bit of code - we could call 'evaluate' here if
|
|
we wanted something returned */
|
|
try {
|
|
js->execute("var lets_quit = 0; function quit() { lets_quit = 1; }");
|
|
js->execute("print(\"Interactive mode... Type quit(); to exit, or print(...); to print something, or dump() to dump the symbol table!\");");
|
|
} catch (CScriptException *e) {
|
|
printf("ERROR: %s\n", e->text.c_str());
|
|
}
|
|
|
|
while (js->evaluate("lets_quit") == "0") {
|
|
char buffer[2048];
|
|
fgets ( buffer, sizeof(buffer), stdin );
|
|
try {
|
|
js->execute(buffer);
|
|
} catch (CScriptException *e) {
|
|
printf("ERROR: %s\n", e->text.c_str());
|
|
}
|
|
}
|
|
delete js;
|
|
#ifdef _WIN32
|
|
#ifdef _DEBUG
|
|
_CrtDumpMemoryLeaks();
|
|
#endif
|
|
#endif
|
|
return 0;
|
|
}
|