Function CompileScript

sdk/samples/tutorial/source/main.cpp:248–315

}

int CompileScript(asIScriptEngine *engine)
{
	int r;

	// We will load the script from a file on the disk.
	FILE *f = fopen("script.as", "rb");
	if( f == 0 )
	{
		cout << "Failed to open the script file 'script.as'." << endl;
		return -1;
	}

	// Determine the size of the file	
	fseek(f, 0, SEEK_END);
	int len = ftell(f);
	fseek(f, 0, SEEK_SET);

	// On Win32 it is possible to do the following instead
	// int len = _filelength(_fileno(f));

	// Read the entire file
	string script;
	script.resize(len);
	size_t c = fread(&script[0], len, 1, f);
	fclose(f);

	if( c == 0 ) 
	{
		cout << "Failed to load script file." << endl;
		return -1;
	}

	// Add the script sections that will be compiled into executable code.
	// If we want to combine more than one file into the same script, then 
	// we can call AddScriptSection() several times for the same module and
	// the script engine will treat them all as if they were one. The script
	// section name, will allow us to localize any errors in the script code.
	asIScriptModule *mod = engine->GetModule(0, asGM_ALWAYS_CREATE);
	r = mod->AddScriptSection("script", &script[0], len);
	if( r < 0 ) 
	{
		cout << "AddScriptSection() failed" << endl;
		return -1;
	}
	
	// Compile the script. If there are any compiler messages they will
	// be written to the message stream that we set right after creating the 
	// script engine. If there are no errors, and no warnings, nothing will
	// be written to the stream.
	r = mod->Build();
	if( r < 0 )
	{
		cout << "Build() failed" << endl;
		return -1;
	}

	// The engine doesn't keep a copy of the script sections after Build() has
	// returned. So if the script needs to be recompiled, then all the script