/* This is free software, under GNU copyleft. (C) 1998 Melissa O'Neill.
 *
 * Compile with:
 *	g++ -save-temps -O2 -o exntest exntest.cc
 *
 * Run with:
 *	exntest
 * ...or:
 *	exntest RaiseAnException
 *
 */

#include <cstdio>

#if CHECK_CONSTRUCTORS
struct wotsit {
    wotsit() {
       printf("Created the wotsit.\n\n");
    }
    ~wotsit() {
       printf("\nDestroyed the wotsit.\n");
    }
};

static wotsit thingy;
#endif /* CHECK_CONSTRUCTORS */

struct TooManyArguments {};

void foo(int argc, char *argv[]) {
    int z = 99;
    register int t = 2001;
    
    if (argc > 1) throw TooManyArguments ();
}

void bar(int argc, char *argv[]) {
   int f = 96;
   int g = 97;
   int h = 98;

   register int *p = &argc;
   register char **q = argv;
   register int *r = &h;

   foo(argc, argv);
}

int main (int argc, char *argv[]) {
    register int a = argc;
    register int b = a+a;
    register int c = a+b;
    register int d = a+c;

    int j = 100;
    int k = 105;
    int l = 110;
    int m = 120;
    
    register int *p = &j;
    register int *q = &k;
    register int *r = &l;
    register int *s = &m;
    try {
        printf("I've set some variables to these values:\n");
    	printf("    %d %d %d %d %d %d %d %d\n", a, b, c, d, *p, *q, *r, *s);
	bar(argc, argv);
	printf("No arguments, no exception raised\n");
    } catch ( TooManyArguments ) {
     	printf("TooManyArguments exception raised (whoopie!)\n");
        printf("My variables should still be the same:\n");
    	printf("    %d %d %d %d %d %d %d %d\n", a, b, c, d, *p, *q, *r, *s);
    } catch ( ... ) {
        printf("ERROR! Unknown exception raised.\n");
    }
    return 0;
}