Qt Reference Documentation

main.cpp Example File

script/qsdbg/main.cpp
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 ** This file is part of the examples of the Qt Toolkit.
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 #include <QtCore/QCoreApplication>
 #include <QtScript>

 #include "scriptdebugger.h"

 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);

     if (argc < 2) {
         fprintf(stderr, "*** you must specify a script file to evaluate (try example.js)\n");
         return(-1);
     }

     QString fileName = QString::fromLatin1(argv[1]);
     QFile file(fileName);
     if (!file.open(QFile::ReadOnly)) {
         fprintf(stderr, "*** failed to open `%s' for reading\n", argv[1]);
         return(-1);
     }

     QScriptEngine engine;
     QString code = QTextStream(&file).readAll();
     file.close();

     fprintf(stdout, "\n*** Welcome to qsdbg. Debugger commands start with a . (period)\n");
     fprintf(stdout, "*** Any other input will be evaluated by the script interpreter.\n");
     fprintf(stdout, "*** Type .help for help.\n\n");

     ScriptDebugger *dbg = new ScriptDebugger(&engine);
     dbg->breakAtNextStatement();

     engine.evaluate(code, fileName);

     return 0;
 }
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