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// file : libbuild2/test/script/runner.hxx -*- C++ -*-
// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef LIBBUILD2_TEST_SCRIPT_RUNNER_HXX
#define LIBBUILD2_TEST_SCRIPT_RUNNER_HXX
#include <libbuild2/types.hxx>
#include <libbuild2/utility.hxx>
#include <libbuild2/test/script/script.hxx>
namespace build2
{
namespace test
{
struct common;
namespace script
{
// An exception that can be thrown by a runner to exit the scope (for
// example, as a result of executing the exit builtin). The status
// indicates whether the scope should be considered to have succeeded
// or failed.
//
struct exit_scope
{
bool status;
explicit
exit_scope (bool s): status (s) {}
};
class runner
{
public:
// Return false if this test/group should be skipped.
//
virtual bool
test (scope&) const = 0;
// Location is the scope start location (for diagnostics, etc).
//
virtual void
enter (scope&, const location&) = 0;
// Index is the 1-base index of this command line in the command list
// (e.g., in a compound test). If it is 0 then it means there is only
// one command (e.g., a simple test). This information can be used,
// for example, to derive file names.
//
// Location is the start position of this command line in the
// testscript. It can be used in diagnostics.
//
virtual void
run (scope&,
const command_expr&, command_type,
size_t index,
const location&) = 0;
virtual bool
run_if (scope&, const command_expr&, size_t, const location&) = 0;
// Location is the scope end location (for diagnostics, etc).
//
virtual void
leave (scope&, const location&) = 0;
};
class default_runner: public runner
{
public:
explicit
default_runner (const common& c): common_ (c) {}
virtual bool
test (scope& s) const override;
virtual void
enter (scope&, const location&) override;
virtual void
run (scope&,
const command_expr&, command_type,
size_t,
const location&) override;
virtual bool
run_if (scope&, const command_expr&, size_t, const location&) override;
virtual void
leave (scope&, const location&) override;
private:
const common& common_;
};
}
}
}
#endif // LIBBUILD2_TEST_SCRIPT_RUNNER_HXX
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