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// file : unit-tests/test/script/parser/driver.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <cassert>
#include <iostream>
#include <build2/types>
#include <build2/utility>
#include <build2/target>
#include <build2/context> // reset()
#include <build2/scheduler>
#include <build2/test/target>
#include <build2/test/script/token>
#include <build2/test/script/parser>
#include <build2/test/script/runner>
using namespace std;
namespace build2
{
namespace test
{
namespace script
{
// Here we assume we are running serially.
//
class print_runner: public runner
{
public:
print_runner (bool scope, bool id, bool line)
: scope_ (scope), id_ (id), line_ (line) {}
virtual bool
test (scope&) const override
{
return true;
}
virtual void
enter (scope& s, const location&) override
{
if (s.desc)
{
const auto& d (*s.desc);
if (!d.id.empty ())
cout << ind_ << ": id:" << d.id << endl;
if (!d.summary.empty ())
cout << ind_ << ": sm:" << d.summary << endl;
if (!d.details.empty ())
{
if (!d.id.empty () || !d.summary.empty ())
cout << ind_ << ":" << endl; // Blank.
const auto& s (d.details);
for (size_t b (0), e (0), n; e != string::npos; b = e + 1)
{
e = s.find ('\n', b);
n = ((e != string::npos ? e : s.size ()) - b);
cout << ind_ << ':';
if (n != 0)
{
cout << ' ';
cout.write (s.c_str () + b, static_cast<streamsize> (n));
}
cout << endl;
}
}
}
if (scope_)
{
cout << ind_ << "{";
if (id_ && !s.id_path.empty ()) // Skip empty root scope id.
cout << " # " << s.id_path.string ();
cout << endl;
ind_ += " ";
}
}
virtual void
run (scope&,
const command_expr& e,
size_t i,
const location&) override
{
cout << ind_ << e;
if (line_)
cout << " # " << i;
cout << endl;
}
virtual bool
run_if (scope&,
const command_expr& e,
size_t i,
const location&) override
{
cout << ind_ << "? " << e;
if (line_)
cout << " # " << i;
cout << endl;
return e.back ().pipe.back ().program.string () == "true";
}
virtual void
leave (scope&, const location&) override
{
if (scope_)
{
ind_.resize (ind_.size () - 2);
cout << ind_ << "}" << endl;
}
}
private:
bool scope_;
bool id_;
bool line_;
string ind_;
};
// Usage: argv[0] [-s] [-i] [-l] [<testscript-name>]
//
int
main (int argc, char* argv[])
{
tracer trace ("main");
init (argv[0], 1); // Fake build system driver, default verbosity.
sched.startup (1); // Serial execution.
reset (strings ()); // No command line variables.
bool scope (false);
bool id (false);
bool line (false);
path name;
for (int i (1); i != argc; ++i)
{
string a (argv[i]);
if (a == "-s")
scope = true;
else if (a == "-i")
id = true;
else if (a == "-l")
line = true;
else
{
name = path (move (a));
break;
}
}
if (name.empty ())
name = path ("testscript");
assert (!id || scope); // Id can only be printed with scope.
try
{
cin.exceptions (istream::failbit | istream::badbit);
// Enter mock targets. Use fixed names and paths so that we can use
// them in expected results. Strictly speaking target paths should
// be absolute. However, the testscript implementation doesn't
// really care.
//
file& tt (
targets.insert<file> (work,
dir_path (),
"driver",
string (),
trace));
testscript& st (
targets.insert<testscript> (work,
dir_path (),
name.leaf ().base ().string (),
name.leaf ().extension (),
trace));
tt.path (path ("driver"));
st.path (name);
// Parse and run.
//
parser p;
script s (tt, st, dir_path (work) /= "test-driver");
p.pre_parse (cin, s);
print_runner r (scope, id, line);
p.execute (s, r);
}
catch (const failed&)
{
return 1;
}
return 0;
}
}
}
}
int
main (int argc, char* argv[])
{
return build2::test::script::main (argc, argv);
}
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