Functions
void	initEval ()

std::optional< nix::Value >	getField (nix::EvalState &State, nix::Value &V, std::string_view Field)

std::optional< std::string_view >	getFieldString (nix::EvalState &State, nix::Value &V, std::string_view Field)

bool	checkField (nix::EvalState &State, nix::Value &V, std::string_view Field, std::string_view Pred)
	Check if value `V` is an attrset, has the field, and equals to `Pred`.

bool	checkType (nix::EvalState &State, nix::Value &V, std::string_view Pred)
	Check if value is an attrset, and it's "_type" equals to `Pred`.

bool	isOption (nix::EvalState &State, nix::Value &V)

bool	isDerivation (nix::EvalState &State, nix::Value &V)

std::string	attrPathStr (nix::EvalState &State, nix::Value &V, const std::string &AttrPath)

std::vector< nix::Symbol >	toSymbols (nix::SymbolTable &STable, const std::vector< std::string > &Names)
	Transform a vector of string into a vector of nix symbols.

std::vector< nix::Symbol >	toSymbols (nix::SymbolTable &STable, const std::vector< std::string_view > &Names)
	Transform a vector of string into a vector of nix symbols.

nix::Value &	selectAttr (nix::EvalState &State, nix::Value &V, nix::Symbol Attr)
	Select attribute `Attr`.

nix::Value &	selectOption (nix::EvalState &State, nix::Value &V, nix::Symbol Attr)

nix::Value &	selectAttrPath (nix::EvalState &State, nix::Value &V, std::vector< nix::Symbol >::const_iterator Begin, std::vector< nix::Symbol >::const_iterator End)
	Given an attrpath in nix::Value `V`, select it.

nix::Value	selectOptions (nix::EvalState &State, nix::Value &V, std::vector< nix::Symbol >::const_iterator Begin, std::vector< nix::Symbol >::const_iterator End)
	Select the option declaration list, `V`, dive into "submodules".

nix::Value	selectOptions (nix::EvalState &State, nix::Value &V, const std::vector< nix::Symbol > &AttrPath)

nix::Value &	selectSymbols (nix::EvalState &State, nix::Value &V, const std::vector< nix::Symbol > &AttrPath)
	Given an attrpath in nix::Value `V`, select it.

nix::Value &	selectStrings (nix::EvalState &State, nix::Value &V, const std::vector< std::string > &AttrPath)
	Given an attrpath in nix::Value `V`, select it.

nix::Value &	selectStringViews (nix::EvalState &State, nix::Value &V, const std::vector< std::string_view > &AttrPath)
	Given an attrpath in nix::Value `V`, select it.

Function Documentation

◆ attrPathStr()

std::string nixt::attrPathStr	(	nix::EvalState &	State,
		nix::Value &	V,
		const std::string &	AttrPath )

Definition at line 54 of file Value.cpp.

◆ checkField()

bool nixt::checkField	(	nix::EvalState &	State,
		nix::Value &	V,
		std::string_view	Field,
		std::string_view	Pred )

Check if value V is an attrset, has the field, and equals to Pred.

Definition at line 36 of file Value.cpp.

References getFieldString().

Referenced by checkType(), isDerivation(), and selectOptions().

◆ checkType()

bool nixt::checkType	(	nix::EvalState &	State,
		nix::Value &	V,
		std::string_view	Pred )

Check if value is an attrset, and it's "_type" equals to Pred.

Definition at line 41 of file Value.cpp.

References checkField().

Referenced by isOption().

◆ getField()

std::optional< nix::Value > nixt::getField	(	nix::EvalState &	State,
		nix::Value &	V,
		std::string_view	Field )

Definition at line 10 of file Value.cpp.

Referenced by getFieldString().

◆ getFieldString()

std::optional< std::string_view > nixt::getFieldString	(	nix::EvalState &	State,
		nix::Value &	V,
		std::string_view	Field )

Definition at line 23 of file Value.cpp.

References getField().

Referenced by checkField().

◆ initEval()

void nixt::initEval ( )

inline

Definition at line 15 of file InitEval.h.

Referenced by main().

◆ isDerivation()

bool nixt::isDerivation	(	nix::EvalState &	State,
		nix::Value &	V )

Definition at line 50 of file Value.cpp.

References checkField().

◆ isOption()

bool nixt::isOption	(	nix::EvalState &	State,
		nix::Value &	V )

Definition at line 46 of file Value.cpp.

References checkType().

Referenced by nixd::AttrSetProvider::onOptionComplete(), and selectOptions().

◆ selectAttr()

nix::Value & nixt::selectAttr	(	nix::EvalState &	State,
		nix::Value &	V,
		nix::Symbol	Attr )

Select attribute Attr.

Definition at line 84 of file Value.cpp.

Referenced by selectAttrPath(), and selectOptions().

◆ selectAttrPath()

nix::Value & nixt::selectAttrPath	(	nix::EvalState &	State,
		nix::Value &	V,
		std::vector< nix::Symbol >::const_iterator	Begin,
		std::vector< nix::Symbol >::const_iterator	End )

Given an attrpath in nix::Value V, select it.

Definition at line 102 of file Value.cpp.

References selectAttr(), and selectAttrPath().

Referenced by selectAttrPath(), and selectSymbols().

◆ selectOption()

nix::Value & nixt::selectOption	(	nix::EvalState &	State,
		nix::Value &	V,
		nix::Symbol	Attr )

◆ selectOptions() [1/2]

nix::Value nixt::selectOptions	(	nix::EvalState &	State,
		nix::Value &	V,
		const std::vector< nix::Symbol > &	AttrPath )

inline

Definition at line 49 of file Value.h.

References selectOptions().

◆ selectOptions() [2/2]

nix::Value nixt::selectOptions	(	nix::EvalState &	State,
		nix::Value &	V,
		std::vector< nix::Symbol >::const_iterator	Begin,
		std::vector< nix::Symbol >::const_iterator	End )