Norimasa Okamoto
/
TinyJS
TinyJS
Fork of TinyJS by
Script.cpp
- Committer:
- va009039
- Date:
- 2014-09-10
- Revision:
- 9:f80cf055f03d
- Parent:
- 3:f56c36ea8266
File content as of revision 9:f80cf055f03d:
/* * TinyJS * * A single-file Javascript-alike engine * * Authored By Gordon Williams <gw@pur3.co.uk> * * Copyright (C) 2009 Pur3 Ltd * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished to do * so, subject to the following conditions: * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ /* * This is a simple program showing how to use TinyJS */ /* * TinyJS for mbed. * * Authored by Takehisa Oneta (ohneta@gmail.com) * 10th Jan. 2013 */ #include "TinyJS.h" #include "TinyJS_Functions.h" #ifdef MBED #include "Mbed_Functions.h" #endif #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("> "); } #ifndef MBED 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; } #else int mbedErrorFlag; std::string mbedErrorMessage; extern int readOneLine(char *buffer, const int bufferSize); int tinyjs_main(int argc, char **argv) { CTinyJS *js = new CTinyJS(); //registerFunctions(js); js->addNative("function print(text)", &js_print, 0); js->addNative("function dump()", &js_dump, js); 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!\");"); // add mbed functions registerMbedFunctions(js); while (js->evaluate("lets_quit") == "0") { char buffer[2048]; int len = readOneLine(buffer, 2048); { mbedErrorFlag = 0; js->execute(buffer); if (mbedErrorFlag != 0) { printf("ERROR: %s\n", mbedErrorMessage.c_str()); } } } delete js; #ifdef _WIN32 #ifdef _DEBUG _CrtDumpMemoryLeaks(); #endif #endif return 0; } #endif