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// file : libbuild2/build/script/parser.test.cxx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
#include <cassert>
#include <iostream>
#include <libbuild2/types.hxx>
#include <libbuild2/utility.hxx>
#include <libbuild2/target.hxx>
#include <libbuild2/context.hxx>
#include <libbuild2/scheduler.hxx>
#include <libbuild2/build/script/parser.hxx>
#include <libbuild2/build/script/runner.hxx>
using namespace std;
namespace build2
{
namespace build
{
namespace script
{
class print_runner: public runner
{
public:
print_runner (bool line): line_ (line) {}
virtual void
enter (environment&, const location&) override {}
virtual void
run (environment&,
const command_expr& e,
size_t i,
const location&) override
{
cout << e;
if (line_)
cout << " # " << i;
cout << endl;
}
virtual bool
run_if (environment&,
const command_expr& e,
size_t i,
const location&) override
{
cout << "? " << e;
if (line_)
cout << " # " << i;
cout << endl;
return e.back ().pipe.back ().program.string () == "true";
}
virtual void
leave (environment&, const location&) override {}
private:
bool line_;
};
// Usages:
//
// argv[0] [-l]
// argv[0] -d
//
int
main (int argc, char* argv[])
{
tracer trace ("main");
// Fake build system driver, default verbosity.
//
init_diag (1);
init (nullptr, argv[0]);
// Serial execution.
//
scheduler sched (1);
global_mutexes mutexes (1);
context ctx (sched, mutexes);
bool line (false);
bool dump (false);
for (int i (1); i != argc; ++i)
{
string a (argv[i]);
if (a == "-l")
line = true;
else if (a == "-d")
dump = true;
else
assert (false);
}
assert (!dump || !line);
try
{
cin.exceptions (istream::failbit | istream::badbit);
// Enter mock target. Use fixed name and path so that we can use
// them in expected results. Strictly speaking target path should
// be absolute. However, the buildscript implementation doesn't
// really care.
//
file& tt (
ctx.targets.insert<file> (work,
dir_path (),
"driver",
string (),
trace));
tt.path (path ("driver"));
// Parse and run.
//
path_name nm ("buildfile");
script s;
parser p (ctx);
p.pre_parse (cin, nm, 11 /* line */, s);
if (!dump)
{
environment e (s, tt);
print_runner r (line);
p.execute (e, r);
}
else
build2::script::dump (cout, "", s.lines);
}
catch (const failed&)
{
return 1;
}
return 0;
}
}
}
}
int
main (int argc, char* argv[])
{
return build2::build::script::main (argc, argv);
}
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