main.cpp
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#include <cstdarg>
#include <cstdlib>
#include "ns.h"
namespace {
typedef unsigned int my_uint_t;
int i; // Find the line number for anonymous namespace variable i.
int myanonfunc (int a)
{
return a + a;
}
int
variadic_sum (int arg_count...)
{
int sum = 0;
std::va_list args;
va_start(args, arg_count);
for (int i = 0; i < arg_count; i++)
sum += va_arg(args, int);
va_end(args);
return sum;
}
}
namespace A {
typedef unsigned int uint_t;
namespace B {
typedef unsigned int uint_t;
int j; // Find the line number for named namespace variable j.
int myfunc (int a);
int myfunc2(int a)
{
return a + 2;
}
float myfunc (float f)
{
return f - 2.0;
}
}
}
namespace Y
{
typedef unsigned int uint_t;
using A::B::j;
int foo;
}
using A::B::j; // using declaration
namespace Foo = A::B; // namespace alias
using Foo::myfunc; // using declaration
using namespace Foo; // using directive
namespace A {
namespace B {
using namespace Y;
int k;
}
}
namespace ns1 {
int value = 100;
}
namespace ns2 {
int value = 200;
}
void test_namespace_scopes() {
do {
using namespace ns1;
printf("ns1::value = %d\n", value); // Evaluate ns1::value
} while(0);
do {
using namespace ns2;
printf("ns2::value = %d\n", value); // Evaluate ns2::value
} while(0);
}
int Foo::myfunc(int a)
{
test_namespace_scopes();
::my_uint_t anon_uint = 0;
A::uint_t a_uint = 1;
B::uint_t b_uint = 2;
Y::uint_t y_uint = 3;
i = 3;
j = 4;
printf("::i=%d\n", ::i);
printf("A::B::j=%d\n", A::B::j);
printf("variadic_sum=%d\n", variadic_sum(3, 1, 2, 3));
myanonfunc(3);
return myfunc2(3) + j + i + a + 2 + anon_uint + a_uint + b_uint + y_uint; // Set break point at this line.
}
int
main (int argc, char const *argv[])
{
test_lookup_at_global_scope();
test_lookup_at_file_scope();
A::test_lookup_at_ns_scope();
A::B::test_lookup_at_nested_ns_scope();
A::B::test_lookup_at_nested_ns_scope_after_using();
test_lookup_before_using_directive();
test_lookup_after_using_directive();
return Foo::myfunc(12);
}