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// file : unit-tests/function/driver.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <iostream>
#include <build2/types>
#include <build2/utility>
#include <build2/parser>
#include <build2/context>
#include <build2/function>
#include <build2/variable>
#include <build2/diagnostics>
using namespace std;
namespace build2
{
static const optional<const value_type*> arg_bool[1] =
{
&value_traits<bool>::value_type
};
int
main ()
{
init ("false", 1); // No build system driver, default verbosity.
reset (strings ()); // No command line variables.
function_family f ("dummy");
f["fail"] = []() {error << "failed"; throw failed ();};
f["fail_arg"] = [](names a) {return convert<uint64_t> (move (a[0]));};
f["null"] = [](names* a) {return a == nullptr;};
f["optional"] = [](optional<names> a) {return !a;};
f["dummy0"] = []() {return "abc";};
f["dummy1"] = [](string s) {return s;};
f["ambig"] = [](names a, optional<string>) {return a;};
f["ambig"] = [](names a, optional<uint64_t>) {return a;};
f[".qual"] = []() {return "abc";};
f[".length"] = &string::size; // Member function.
f[".type"] = &name::type; // Data member.
// Variadic function with first required argument of type bool. Returns
// number of arguments passed.
//
functions.insert (
"variadic",
function_overload (
nullptr,
1,
function_overload::arg_variadic,
function_overload::types (arg_bool, 1),
[] (vector_view<value> args, const function_overload&)
{
return value (static_cast<uint64_t> (args.size ()));
}));
// Dump arguments.
//
functions.insert (
"dump",
function_overload (
nullptr,
0,
function_overload::arg_variadic,
function_overload::types (),
[] (vector_view<value> args, const function_overload&)
{
for (value& a: args)
{
if (a.null)
cout << "[null]";
else if (!a.empty ())
{
names storage;
cout << reverse (a, storage);
}
cout << endl;
}
return value (nullptr);
}));
try
{
scope& s (*global_scope);
parser p;
p.parse_buildfile (cin, path ("buildfile"), s, s);
}
catch (const failed&)
{
return 1;
}
return 0;
}
}
int
main ()
{
return build2::main ();
}
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