コード例 #1
0
ファイル: ejsGarbage.c プロジェクト: embedthis/ejs-1
/*
 *  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
}
コード例 #2
0
ファイル: ejs.c プロジェクト: jsjohnst/ejscript
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;
}
コード例 #3
0
ファイル: ejsMemory.c プロジェクト: embedthis/ejs-1
/*
 *  native static function stats(): Void
 */
static EjsVar *printStats(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv)
{
    ejsPrintAllocReport(ejs);
    mprPrintAllocReport(ejs, "Memory Report");
    return 0;
}