/*
* Collect the garbage. This is a mark and sweep over all possible objects. If an object is not referenced, it and
* all contained properties will be freed. Collection is done in generations.
*/
void ejsCollectGarbage(Ejs *ejs, int gen)
{
EjsGC *gc;
gc = &ejs->gc;
if (!gc->enabled || gc->collecting || !ejs->initialized) {
return;
}
gc->collecting = 1;
mark(ejs, gen);
sweep(ejs, gen);
if (!memoryUsageOk(ejs)) {
pruneTypePools(ejs);
}
ejs->workDone = 0;
ejs->gcRequired = 0;
gc->collecting = 0;
#if BLD_DEBUG
gc->totalSweeps++;
#if REPORT
ejsPrintAllocReport(ejs);
mprPrintAllocReport(ejs, "Memory Report");
#endif
#endif
}
int main(int argc, char **argv)
{
Mpr *mpr;
EcCompiler *cp;
EjsService *vmService;
Ejs *ejs;
MprList *useModules, *files;
cchar *cmd, *className, *methodName;
char *argp, *searchPath, *modules, *name, *tok, *extraFiles, *spec;
int nextArg, err, ejsFlags, ecFlags, stats, run, merge, bind, noout, debug, optimizeLevel, nobind, warnLevel;
int compilerMode, lang;
/*
* Create the Embedthis Portable Runtime (MPR) and setup a memory failure handler
*/
mpr = mprCreate(argc, argv, ejsMemoryFailure);
mprSetAppName(mpr, argv[0], 0, 0);
if (mprStart(mpr, 0) < 0) {
mprError(mpr, "Can't start mpr services");
return EJS_ERR;
}
err = 0;
className = 0;
cmd = 0;
methodName = 0;
searchPath = 0;
stats = 0;
run = 1;
merge = 0;
bind = 1;
nobind = 0;
noout = 1;
debug = 1;
warnLevel = 1;
optimizeLevel = 9;
compilerMode = PRAGMA_MODE_STANDARD;
lang = BLD_FEATURE_EJS_LANG;
useModules = mprCreateList(mpr);
files = mprCreateList(mpr);
ejsFlags = EJS_FLAG_COMPILER;
for (nextArg = 1; nextArg < argc; nextArg++) {
argp = argv[nextArg];
if (*argp != '-') {
break;
}
if (strcmp(argp, "--bind") == 0) {
/* Ignore. Not required and only here for compatibility with ec */
} else if (strcmp(argp, "--class") == 0) {
if (nextArg >= argc) {
err++;
} else {
className = argv[++nextArg];
}
} else if (strcmp(argp, "--cmd") == 0 || strcmp(argp, "-c") == 0) {
if (nextArg >= argc) {
err++;
} else {
cmd = argv[++nextArg];
}
} else if (strcmp(argp, "--debug") == 0) {
debug = 1;
} else if (strcmp(argp, "--lang") == 0) {
if (nextArg >= argc) {
err++;
} else {
spec = argv[++nextArg];
if (mprStrcmpAnyCase(spec, "ecma") == 0) {
lang = EJS_SPEC_ECMA;
} else if (mprStrcmpAnyCase(spec, "plus") == 0) {
lang = EJS_SPEC_PLUS;
} else if (mprStrcmpAnyCase(spec, "fixed") == 0) {
lang = EJS_SPEC_FIXED;
}
}
} else if (strcmp(argp, "--files") == 0 || strcmp(argp, "-f") == 0) {
if (nextArg >= argc) {
err++;
} else {
extraFiles = mprStrdup(mpr, argv[++nextArg]);
name = mprStrTok(extraFiles, " \t", &tok);
while (name != NULL) {
mprAddItem(files, name);
name = mprStrTok(NULL, " \t", &tok);
}
}
} else if (strcmp(argp, "--log") == 0) {
if (nextArg >= argc) {
err++;
} else {
ejsStartLogging(mpr, argv[++nextArg]);
}
} else if (strcmp(argp, "--method") == 0) {
if (nextArg >= argc) {
err++;
} else {
methodName = argv[++nextArg];
}
} else if (strcmp(argp, "--nobind") == 0) {
/*
* This is a hidden switch just for the compiler developers
*/
nobind = 1;
bind = 0;
} else if (strcmp(argp, "--nodebug") == 0) {
debug = 0;
} else if (strcmp(argp, "--optimize") == 0) {
if (nextArg >= argc) {
err++;
} else {
optimizeLevel = atoi(argv[++nextArg]);
}
} else if (strcmp(argp, "--searchpath") == 0) {
if (nextArg >= argc) {
err++;
} else {
searchPath = argv[++nextArg];
}
} else if (strcmp(argp, "--standard") == 0) {
compilerMode = PRAGMA_MODE_STANDARD;
} else if (strcmp(argp, "--stats") == 0) {
stats = 1;
} else if (strcmp(argp, "--strict") == 0) {
compilerMode = PRAGMA_MODE_STRICT;
} else if (strcmp(argp, "--use") == 0) {
if (nextArg >= argc) {
err++;
} else {
modules = mprStrdup(mpr, argv[++nextArg]);
name = mprStrTok(modules, " \t", &tok);
while (name != NULL) {
mprAddItem(useModules, name);
name = mprStrTok(NULL, " \t", &tok);
}
}
} else if (strcmp(argp, "--version") == 0 || strcmp(argp, "-V") == 0) {
mprErrorPrintf(mpr, "%s %s\n"
"Copyright (C) Embedthis Software 2003-2009\n"
"Copyright (C) Michael O'Brien 2003-2009\n",
BLD_NAME, BLD_VERSION);
exit(0);
} else if (strcmp(argp, "--warn") == 0) {
if (nextArg >= argc) {
err++;
} else {
warnLevel = atoi(argv[++nextArg]);
}
} else {
err++;
break;
}
}
if (err) {
/*
* If --method or --class is specified, then the named class.method will be run (method defaults to "main", class
* defaults to first class with a "main").
*
* Examples:
* ejs
* ejs script.es arg1 arg2 arg3
* ejs --class "Customer" --method "start" --files "script1.es script2.es" main.es
*/
mprErrorPrintf(mpr,
"Usage: %s [options] script.es [arguments] ...\n"
" Ejscript shell program options:\n"
" --class className # Name of class containing method to run\n"
" --cmd ejscriptCode # Literal ejscript statements to execute\n"
" --debug # Include symbolic debugging information in output\n"
" --lang # Language compliance (ecma|plus|fixed)\n"
" --files \"files..\" # Extra source to compile\n"
" --log logSpec # Internal compiler diagnostics logging\n"
" --method methodName # Name of method to run. Defaults to main\n"
" --nodebug # Omit symbolic debugging information in output\n"
" --optimize level # Set the optimization level (0-9 default is 9)\n"
" --searchpath ejsPath # Module search path\n"
" --standard # Default compilation mode to standard (default)\n"
" --stats # Print stats on exit\n"
" --strict # Default compilation mode to strict\n"
" --use 'module, ...' # List of modules to pre-load\n"
" --version # Emit the compiler version information\n"
" --warn level # Set the warning message level (0-9 default is 0)\n\n",
mpr->name);
return -1;
}
vmService = ejsCreateService(mpr);
if (vmService == 0) {
return MPR_ERR_NO_MEMORY;
}
if (searchPath) {
ejsSetSearchPath(vmService, searchPath);
}
ejs = ejsCreate(vmService, 0, ejsFlags);
if (ejs == 0) {
return MPR_ERR_NO_MEMORY;
}
ecFlags = 0;
ecFlags |= (run) ? EC_FLAGS_RUN: 0;
ecFlags |= (merge) ? EC_FLAGS_MERGE: 0;
ecFlags |= (bind) ? EC_FLAGS_BIND_GLOBALS: 0;
ecFlags |= (nobind) ? EC_FLAGS_NO_BIND: 0;
ecFlags |= (noout) ? EC_FLAGS_NO_OUT: 0;
ecFlags |= (debug) ? EC_FLAGS_DEBUG: 0;
cp = ecCreateCompiler(ejs, ecFlags, lang);
if (cp == 0) {
return MPR_ERR_NO_MEMORY;
}
ecSetOptimizeLevel(cp, optimizeLevel);
ecSetWarnLevel(cp, warnLevel);
ecSetDefaultMode(cp, compilerMode);
if (preloadModules(cp, useModules) < 0) {
return EJS_ERR;
}
if (cmd) {
if (interpretCommands(cp, cmd) < 0) {
err++;
}
} else if (nextArg < argc) {
name = argv[nextArg];
mprAddItem(files, argv[nextArg]);
if (interpretFiles(cp, files, argc - nextArg, &argv[nextArg], className, methodName) < 0) {
err++;
}
} else {
/*
* No args - run as an interactive shell
*/
if (interpretCommands(cp, NULL) < 0) {
err++;
}
}
#if BLD_DEBUG
if (stats) {
mprSetLogLevel(ejs, 1);
ejsPrintAllocReport(ejs);
}
#endif
mprFree(mpr);
return err;
}
/*
* native static function stats(): Void
*/
static EjsVar *printStats(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv)
{
ejsPrintAllocReport(ejs);
mprPrintAllocReport(ejs, "Memory Report");
return 0;
}