source: tests/exceptions/data-except.cfa@ 04bc1c0

// Test exceptions that add data but no functionality.

#include <exception.hfa>

DATA_EXCEPTION(paired)(
        int first;
        int second;
);

void ?{}(paired & this, int first, int second) {
        VTABLE_INIT(this, paired);
        this.first = first;
        this.second = second;
}

void copy(paired * this, paired * other) {
        *this = *other;
}

const char * paired_msg(paired * this) {
        return "paired";
}

VTABLE_INSTANCE(paired)(paired_msg);

void throwPaired(int first, int second) {
        paired exc = {first, second};
}

int main(int argc, char * argv[]) {
        paired except = {3, 13};

        try {
                throw &except;
        } catch (paired * exc) {
                printf("%s(%d, %d)\n", paired_msg(exc), exc->first, exc->second);
                ++exc->first;
        }

        printf("%s(%d, %d)\n", paired_msg(&except), except.first, except.second);

        try {
                throwResume &except;
        } catchResume (paired * exc) {
                printf("%s(%d, %d)\n", paired_msg(exc), exc->first, exc->second);
                ++exc->first;
        }

        printf("%s(%d, %d)\n", paired_msg(&except), except.first, except.second);
}