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// file : libbuild2/bash/rule.hxx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
#ifndef LIBBUILD2_BASH_RULE_HXX
#define LIBBUILD2_BASH_RULE_HXX
#include <libbuild2/types.hxx>
#include <libbuild2/utility.hxx>
#include <libbuild2/install/rule.hxx>
#include <libbuild2/in/rule.hxx>
#include <libbuild2/bash/export.hxx>
namespace build2
{
namespace bash
{
// Preprocess a bash script (exe{}) or module (bash{}) .in file that
// imports one or more bash modules.
//
// Note that the default substitution symbol is '@' and the mode is lax
// (think bash arrays). The idea is that '@' is normally used in ways that
// are highly unlikely to be misinterpreted as substitutions. The user,
// however, is still able to override both of these choices with the
// corresponding in.* variables (e.g., to use '`' and strict mode).
//
class LIBBUILD2_BASH_SYMEXPORT in_rule: public in::rule
{
public:
in_rule (): rule ("bash.in 1", "bash", '@', false /* strict */) {}
virtual bool
match (action, target&, const string&, match_extra&) const override;
using in::rule::match; // Make Clang happy.
virtual recipe
apply (action, target&) const override;
virtual prerequisite_target
search (action,
const target&,
const prerequisite_member&,
include_type) const override;
virtual optional<string>
substitute (const location&,
action a,
const target&,
const string&,
optional<uint64_t>,
bool,
const substitution_map*,
const optional<string>&) const override;
string
substitute_import (const location&,
action a,
const target&,
const string&) const;
};
// Installation rule for bash scripts (exe{}) and modules (bash{}) that
// signals to in_rule that this is update for install.
//
class LIBBUILD2_BASH_SYMEXPORT install_rule: public install::file_rule
{
public:
install_rule (const in_rule& r, const char* n): in_ (r), in_name_ (n) {}
virtual bool
match (action, target&) const override;
virtual recipe
apply (action, target&) const override;
protected:
const in_rule& in_;
const string in_name_;
};
}
}
#endif // LIBBUILD2_BASH_RULE_HXX
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