зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
2.8 KiB
C++
135 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/* main.cpp for constant pool edit */
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#include "ClassReader.h"
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#include "FileWriter.h"
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#include "nspr.h"
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#include "DebugUtils.h"
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#include "JavaBytecodes.h"
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#include "ClassGen.h"
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/* main */
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int main(int argc, char **argv)
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{
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//Check for the correct set of arguments.
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if (argc < 3) {
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printf("Error:\tillegal number of arguments\n");
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printf("Usage:\tconstantpool -d <classname> or\n");
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printf("\t\tconstantpool -m <classname>\n");
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return 1;
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}
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CrError status;
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Pool pool;
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StringPool sp(pool);
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char classname[256];
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strcpy(classname,argv[2]);
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strcat(classname,".class");
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PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 1);
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//Create instance to read the classfile.
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ClassFileReader reader(pool, sp, classname, &status);
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//Check for dump operation.
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if (strcmp(argv[1],"-d") == 0) {
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char dumpfile[256];
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strcpy(dumpfile,argv[2]);
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strcat(dumpfile,".txt");
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if (status != crErrorNone) {
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printf("Cannot read class file:error (%d)\n", status);
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return 1;
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} else {
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//Dump constant pool into a text file.
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reader.dumpClass(dumpfile);
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printf("Read Class File\n");
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return 0;
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}
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} //End if strcmp.
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//Check for merge operation.
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if (strcmp(argv[1],"-m") == 0 ) {
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char filename[256];
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char classfile[256];
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strcpy(filename,argv[2]);
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strcat(filename,".txt");
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strcpy(classfile,"temp/");
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strcat(classfile,argv[2]);
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strcat(classfile,".class");
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printf("Using %s to create %s\n",filename,classfile);
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//Create instance to write a new classfile.
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FileWriter writer(classfile);
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//Open the dumpfile.
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FILE *df;
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df = fopen(filename,"r");
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if (!df) {
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printf("Error: file does not exist.");
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return 1;
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}
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/* Create the new classfile. */
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createClass(df,writer,reader);
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printf("Created new classfile.\n");
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fclose(df);
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return 0;
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} //End if strcmp.
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printf("Error: don't know what to do.\n");
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return 1;
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}
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