// TODO: This function identification code is broken. Fix it up to be more robust
//
// See: SERVER-16703 for more info
void MozJSImplScope::_MozJSCreateFunction(const char* raw,
ScriptingFunction functionNumber,
JS::MutableHandleValue fun) {
std::string code = jsSkipWhiteSpace(raw);
if (!hasFunctionIdentifier(code)) {
if (code.find('\n') == std::string::npos && !hasJSReturn(code) &&
(code.find(';') == std::string::npos || code.find(';') == code.size() - 1)) {
code = "return " + code;
}
code = "function(){ " + code + "}";
}
code = str::stream() << "_funcs" << functionNumber << " = " << code;
JS::CompileOptions co(_context);
setCompileOptions(&co);
_checkErrorState(JS::Evaluate(_context, _global, co, code.c_str(), code.length(), fun));
uassert(10232,
"not a function",
fun.isObject() && JS_ObjectIsFunction(_context, fun.toObjectOrNull()));
}
JSFunction * _compileFunction( const char * raw , JSObject * assoc , const char *& gcName ) {
if ( ! assoc )
assoc = JS_GetGlobalObject( _context );
while (isspace(*raw)) {
raw++;
}
stringstream fname;
fname << "cf_";
static int fnum = 1;
fname << "_" << fnum++ << "_";
if ( ! hasFunctionIdentifier( raw ) ) {
string s = raw;
if ( isSimpleStatement( s ) ) {
s = "return " + s;
}
gcName = "cf anon";
fname << "anon";
return JS_CompileFunction( _context , assoc , fname.str().c_str() , 0 , 0 , s.c_str() , strlen( s.c_str() ) , "nofile_a" , 0 );
}
string code = raw;
size_t start = code.find( '(' );
assert( start != string::npos );
fname << "_f_" << trim( code.substr( 9 , start - 9 ) );
code = code.substr( start + 1 );
size_t end = code.find( ')' );
assert( end != string::npos );
string paramString = trim( code.substr( 0 , end ) );
code = code.substr( end + 1 );
vector<string> params;
while ( paramString.size() ) {
size_t c = paramString.find( ',' );
if ( c == string::npos ) {
params.push_back( paramString );
break;
}
params.push_back( trim( paramString.substr( 0 , c ) ) );
paramString = trim( paramString.substr( c + 1 ) );
paramString = trim( paramString );
}
boost::scoped_array<const char *> paramArray (new const char*[params.size()]);
for ( size_t i=0; i<params.size(); i++ )
paramArray[i] = params[i].c_str();
JSFunction * func = JS_CompileFunction( _context , assoc , fname.str().c_str() , params.size() , paramArray.get() , code.c_str() , strlen( code.c_str() ) , "nofile_b" , 0 );
if ( ! func ) {
cout << "compile failed for: " << raw << endl;
return 0;
}
gcName = "cf normal";
return func;
}
