Rebuilds old_world() into new_world() and then swaps them. More...

#include <mim/phase.h>

Inheritance diagram for mim::RWPhase:

Public Member Functions
Construction
	RWPhase (World &world, std::string name, Analysis *analysis=nullptr)
	RWPhase (World &world, flags_t annex, Analysis *analysis=nullptr)
Rewrite
void	rewrite_annex (flags_t, Sym, const Def *) override
void	rewrite_external (Def *) override
World
Phase::world is the old one. Rewriter::world is the new one. RWPhase::world is deleted to not confuse this.
World &	world ()=delete
	Hides both and forbids direct access.
World &	old_world ()
	Get old Defs from here.
World &	new_world ()
	Create new Defs into this.
Public Member Functions inherited from mim::RWBase
Analysis *	analysis ()
const Analysis *	analysis () const
const Def *	lattice (const Def *def) const
	Returns the abstract value computed by the associated Analysis for `def`, or nullptr if no value is available.
const Def *	abstracted (const Def *def) const
	Returns lattice(`def`) if it differs from `def` (i.e. we learned something), otherwise nullptr.
virtual bool	analyze ()
	Runs the optional pre-analysis on Phase::world, typically to a fixed point, before rewriting begins.
bool	is_bootstrapping () const
	Returns whether we are currently bootstrapping (rewriting annexes).
Public Member Functions inherited from mim::Phase
	Phase (World &world, std::string name)
	Phase (World &world, flags_t annex)
virtual	~Phase ()=default
virtual std::unique_ptr< Phase >	recreate ()
	Creates a new instance; needed by a fixed-point PhaseMan.
virtual void	apply (const App *)
	Invoked if your Phase has additional args.
virtual void	apply (Phase &)
	Dito, but invoked by Phase::recreate.
virtual bool	redirects () const
	If true, Phase::create uses take_resolved().
virtual std::unique_ptr< Phase >	take_resolved ()
	The Phase to use instead; nullptr means elide.
World &	world ()
Driver &	driver ()
const fe::Log &	log () const
std::string_view	name () const
flags_t	annex () const
const fe::Vector< std::string > &	args ()
	Command-line arguments passed to this Phase's plugin via -X <plugin>:<arg>.
bool	todo () const
void	invalidate (bool todo=true)
	Signals that another round of fixed-point iteration is required, either as part of.
virtual void	run ()
	Entry point and generates some debug output; invokes Phase::start.
void	profile_count (std::string_view key, uint64_t n=1)
	Adds `n` to the custom fe::Profiler counter `key` of the current run; no-op unless profiling is enabled.
Public Member Functions inherited from mim::Rewriter
template<class D = Def>
D *	curr_mut () const
	Rewriter (std::unique_ptr< World > &&ptr)
	Rewriter (World &world)
virtual	~Rewriter ()
void	reset (std::unique_ptr< World > &&ptr)
void	reset ()
World &	world ()
virtual void	push ()
virtual void	pop ()
virtual const Def *	map (const Def old_def, const Def new_def)
const Def *	map_root (const Def old_def, const Def new_def)
	Like map() but records into the root map, so the entry outlives the current push()/pop() scope.
const Def *	map (const Def *old_def, Defs new_defs)
const Def *	map (Defs old_defs, const Def *new_def)
const Def *	map (Defs old_defs, Defs new_defs)
virtual const Def *	lookup (const Def *old_def)
	Lookup old_def by searching in reverse through the stack of maps.
virtual const Def *	rewrite (const Def *)
virtual const Def *	rewrite_imm (const Def *)
virtual const Def *	rewrite_mut (Def *)
virtual const Def *	rewrite_stub (Def , Def )
virtual DefVec	rewrite (Defs)
virtual const Def *	rewrite_imm_Seq (const Seq *seq)
virtual const Def *	rewrite_mut_Seq (Seq *seq)

Protected Member Functions
void	start () override
	RWBase::start() and then swaps the two worlds.
Protected Member Functions inherited from mim::RWBase
virtual const Def *	rewrite_root (const Def *def)
	Rewrites a root - i.e. an annex or an external.
virtual void	finalize ()
	Run after all roots have been walked - but for an RWPhase still before the two worlds are swapped.
	RWBase (World &world, std::string name, Analysis *analysis)
	RWBase (World &world, flags_t annex, Analysis *analysis)
	RWBase (World &world, std::string name, Analysis *analysis, std::unique_ptr< World > &&new_world)
	Rewrite the World of Phase::world into `new_world`.
	RWBase (World &world, flags_t annex, Analysis *analysis, std::unique_ptr< World > &&new_world)
Protected Member Functions inherited from mim::Rewriter
auto	enter (Def *new_mut)
	Updates curr_mut() to `new_mut` and restores it at the end of the scope.

Private Member Functions
bool	rewrite_annexes () const final
	An RWPhase has to walk the annexes: it must re-create every one of them to populate new_world()'s table.

Additional Inherited Members
Static Public Member Functions inherited from mim::Phase
static std::unique_ptr< Phase >	create (const Flags2Phases &phases, const Def *def)
template<class A, class P>
static void	hook (Flags2Phases &phases)
template<class P, class... Args>
static void	run (Args &&... args)
	Runs a single Phase.
Protected Attributes inherited from mim::Phase
std::string	name_
Protected Attributes inherited from mim::Rewriter
std::deque< Def2Def >	old2news_