JShellParser.cc File Reference

#include <iostream>
#include <iomanip>
#include <string>
#include <cstring>
#include <list>
#include "JLang/JNullType.hh"
#include "JLang/JEquation.hh"
#include "JLang/JEquationFacet.hh"
#include "JLang/JException.hh"
#include "JLang/JRedirectStream.hh"
#include "JLang/JLangToolkit.hh"
#include "JSystem/JSystemToolkit.hh"
#include "Jeep/JParser.hh"

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Functions
int	main (int argc, char **argv)
	Auxiliary program to interface JPARSER::JParser to command line of shell scripts. More...

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Auxiliary program to interface JPARSER::JParser to command line of shell scripts.

Syntax:

  eval JShellParser -o "-a \<environment variable\> [= \<default value\>[, \<possible value\>]]" -- $*

Definition at line 420 of file JShellParser.cc.

{
  using namespace std;

  int debug;
  
  try {

    JEnvironment<bool>   boolean;
    JEnvironment<string> regular;

    JParser<> zap("Auxiliary program to interface C++ parser to command line of shell scripts.");
    
    zap['b'] = make_field(boolean) = JPARSER::initialised();
    zap['o'] = make_field(regular) = JPARSER::initialised();
    zap['d'] = make_field(debug)   = 1;

    if (zap.read(argc, argv) != 0) {
      return gexit(1);
    }

    JEnvironment<> buffer;

    JEnvironment<>::debug = debug;

    buffer.join(boolean);
    buffer.join(regular);

    if (buffer(argc, argv) == 0) { 
      evaluate(boolean);
      evaluate(regular);
    } else {
      gexit(1);
    }
  }
  catch(const exception& error) {
    return gexit(2, error.what());
  }
}