header_utils: ghassanpl::eval::environment< DECADE_SYNTAX > Struct Template Reference

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NOTE: Decade syntax is slower to execute but more natural. More...

#include <eval.h>

Public Types
using	self_type = environment< DECADE_SYNTAX >

using	eval_func = std::function< value(self_type &, std::vector< value >)>

Public Member Functions
self_type *	get_root_env () const noexcept

auto	find_in_user_storage (this auto &&self, std::string_view name)

value	user_var (std::string_view name)

json &	set_user_var (std::string_view name, value val, bool force_local=false)

eval_func const *	find_unknown_func_eval () const noexcept

eval_func const *	find_func (std::string_view name) const

template<typename... ARGS>
json	report_error (std::string_view fmt, ARGS &&... args)

value	eval_call (std::vector< value > args)

template<typename V >
value	eval (V &&val)

template<typename T >
json	safe_eval (T &&value)

bool	is_true (json const &val)

bool	is_true (value const &val)

value	eval_arg (std::vector< value > &args, size_t n, json::value_t type=json::value_t::discarded)

void	eval_args (std::vector< value > &args, size_t n)

void	eval_args (std::vector< value > &args)

template<typename LIB_TYPE >
void	import_lib ()

template<template< bool > typename LIB_TYPE>
void	import_lib ()

Static Public Member Functions
static void	assert_args (std::span< value const > args, size_t arg_count)

static void	assert_args (std::span< value const > args, size_t min_args, size_t max_args)

static void	assert_min_args (std::span< value const > args, size_t arg_count)

static auto	assert_arg (std::span< value const > args, size_t arg_num, json::value_t type=json::value_t::discarded)

template<std::same_as< nlohmann::json::value_t >... T>
static void	assert_args (std::vector< value > args, T... arg_types)

Public Attributes
self_type *	parent_env

std::map< std::string, eval_func, std::less<> >	funcs
	TODO: How to do const parent envs, or const vars?

eval_func	unknown_func_eval

std::function< value(self_type &, std::string_view)>	unknown_var_eval

std::function< void(std::string_view)>	error_handler

std::map< std::string, json, std::less<> >	user_storage

void *	user_data

std::map< std::string, eval_func, std::less<> >	prefix_macros

std::function< bool(json const &)>	truthiness_function
	eval('.test') -> eval(prefix_macros['.']('.test'))

Static Public Attributes
static constexpr bool	decade_syntax

static constexpr bool	sexps_syntax

Detailed Description

template<bool DECADE_SYNTAX = false>
struct ghassanpl::eval::environment< DECADE_SYNTAX >

NOTE: Decade syntax is slower to execute but more natural.

Definition at line 95 of file eval.h.

Member Typedef Documentation

◆ eval_func

template<bool DECADE_SYNTAX = false>

using ghassanpl::eval::environment< DECADE_SYNTAX >::eval_func = std::function<value(self_type&, std::vector<value>)>

Definition at line 101 of file eval.h.

◆ self_type

template<bool DECADE_SYNTAX = false>

using ghassanpl::eval::environment< DECADE_SYNTAX >::self_type = environment<DECADE_SYNTAX>

Definition at line 97 of file eval.h.

Member Function Documentation

◆ assert_arg()

template<bool DECADE_SYNTAX = false>

static auto ghassanpl::eval::environment< DECADE_SYNTAX >::assert_arg	(	std::span< value const >	args,
		size_t	arg_num,
		json::value_t	type = `json::value_t::discarded`
	)

inlinestatic

Definition at line 368 of file eval.h.

◆ assert_args() [1/3]

template<bool DECADE_SYNTAX = false>

static void ghassanpl::eval::environment< DECADE_SYNTAX >::assert_args	(	std::span< value const >	args,
		size_t	arg_count
	)

inlinestatic

Definition at line 350 of file eval.h.

◆ assert_args() [2/3]

template<bool DECADE_SYNTAX = false>

static void ghassanpl::eval::environment< DECADE_SYNTAX >::assert_args	(	std::span< value const >	args,
		size_t	min_args,
		size_t	max_args
	)

inlinestatic

Definition at line 356 of file eval.h.

◆ assert_args() [3/3]

template<bool DECADE_SYNTAX = false>

template<std::same_as< nlohmann::json::value_t >... T>

static void ghassanpl::eval::environment< DECADE_SYNTAX >::assert_args	(	std::vector< value >	args,
		T...	arg_types
	)

inlinestatic

Definition at line 383 of file eval.h.

◆ assert_min_args()

template<bool DECADE_SYNTAX = false>

static void ghassanpl::eval::environment< DECADE_SYNTAX >::assert_min_args	(	std::span< value const >	args,
		size_t	arg_count
	)

inlinestatic

Definition at line 362 of file eval.h.

◆ eval()

template<bool DECADE_SYNTAX = false>

template<typename V >

value ghassanpl::eval::environment< DECADE_SYNTAX >::eval ( V && val )

inline

Definition at line 264 of file eval.h.

◆ eval_arg()

template<bool DECADE_SYNTAX = false>

value ghassanpl::eval::environment< DECADE_SYNTAX >::eval_arg	(	std::vector< value > &	args,
		size_t	n,
		json::value_t	type = `json::value_t::discarded`
	)

inline

Definition at line 396 of file eval.h.

◆ eval_args() [1/2]

template<bool DECADE_SYNTAX = false>

void ghassanpl::eval::environment< DECADE_SYNTAX >::eval_args ( std::vector< value > & args )

inline

Definition at line 409 of file eval.h.

◆ eval_args() [2/2]

template<bool DECADE_SYNTAX = false>

void ghassanpl::eval::environment< DECADE_SYNTAX >::eval_args	(	std::vector< value > &	args,
		size_t	n
	)

inline

Definition at line 402 of file eval.h.

◆ eval_call()

template<bool DECADE_SYNTAX = false>

value ghassanpl::eval::environment< DECADE_SYNTAX >::eval_call ( std::vector< value > args )

inline

Definition at line 182 of file eval.h.

◆ find_func()

template<bool DECADE_SYNTAX = false>

eval_func const * ghassanpl::eval::environment< DECADE_SYNTAX >::find_func ( std::string_view name ) const

inline

Definition at line 155 of file eval.h.

◆ find_in_user_storage()

template<bool DECADE_SYNTAX = false>

auto ghassanpl::eval::environment< DECADE_SYNTAX >::find_in_user_storage	(	this auto &&	self,
		std::string_view	name
	)

inline

Definition at line 115 of file eval.h.

◆ find_unknown_func_eval()

template<bool DECADE_SYNTAX = false>

eval_func const * ghassanpl::eval::environment< DECADE_SYNTAX >::find_unknown_func_eval ( ) const

inlinenoexcept

Definition at line 146 of file eval.h.

◆ get_root_env()

template<bool DECADE_SYNTAX = false>

self_type * ghassanpl::eval::environment< DECADE_SYNTAX >::get_root_env ( ) const

inlinenoexcept

Definition at line 113 of file eval.h.

◆ import_lib() [1/2]

template<bool DECADE_SYNTAX = false>

template<typename LIB_TYPE >

void ghassanpl::eval::environment< DECADE_SYNTAX >::import_lib ( )

inline

Definition at line 415 of file eval.h.

◆ import_lib() [2/2]

template<bool DECADE_SYNTAX = false>

template<template< bool > typename LIB_TYPE>

void ghassanpl::eval::environment< DECADE_SYNTAX >::import_lib ( )

inline

Definition at line 421 of file eval.h.

◆ is_true() [1/2]

template<bool DECADE_SYNTAX = false>

bool ghassanpl::eval::environment< DECADE_SYNTAX >::is_true ( json const & val )

inline

Definition at line 335 of file eval.h.

◆ is_true() [2/2]

template<bool DECADE_SYNTAX = false>

bool ghassanpl::eval::environment< DECADE_SYNTAX >::is_true ( value const & val )

inline

Definition at line 345 of file eval.h.

◆ report_error()

template<bool DECADE_SYNTAX = false>

template<typename... ARGS>

json ghassanpl::eval::environment< DECADE_SYNTAX >::report_error	(	std::string_view	fmt,
		ARGS &&...	args
	)

inline

Definition at line 165 of file eval.h.

◆ safe_eval()

template<bool DECADE_SYNTAX = false>

template<typename T >

json ghassanpl::eval::environment< DECADE_SYNTAX >::safe_eval ( T && value )

inline

Definition at line 322 of file eval.h.

◆ set_user_var()

template<bool DECADE_SYNTAX = false>

json & ghassanpl::eval::environment< DECADE_SYNTAX >::set_user_var	(	std::string_view	name,
		value	val,
		bool	force_local = `false`
	)

inline

Definition at line 131 of file eval.h.

◆ user_var()

template<bool DECADE_SYNTAX = false>

value ghassanpl::eval::environment< DECADE_SYNTAX >::user_var ( std::string_view name )

inline

Definition at line 123 of file eval.h.

Member Data Documentation

◆ decade_syntax

template<bool DECADE_SYNTAX = false>

constexpr bool ghassanpl::eval::environment< DECADE_SYNTAX >::decade_syntax

staticconstexpr

Definition at line 98 of file eval.h.

◆ error_handler

template<bool DECADE_SYNTAX = false>

std::function<void(std::string_view)> ghassanpl::eval::environment< DECADE_SYNTAX >::error_handler

Definition at line 107 of file eval.h.

◆ funcs

template<bool DECADE_SYNTAX = false>

std::map<std::string, eval_func, std::less<> > ghassanpl::eval::environment< DECADE_SYNTAX >::funcs

TODO: How to do const parent envs, or const vars?

Definition at line 104 of file eval.h.

◆ parent_env

template<bool DECADE_SYNTAX = false>

self_type* ghassanpl::eval::environment< DECADE_SYNTAX >::parent_env

Definition at line 103 of file eval.h.

◆ prefix_macros

template<bool DECADE_SYNTAX = false>

std::map<std::string, eval_func, std::less<> > ghassanpl::eval::environment< DECADE_SYNTAX >::prefix_macros

Definition at line 110 of file eval.h.

◆ sexps_syntax

template<bool DECADE_SYNTAX = false>

constexpr bool ghassanpl::eval::environment< DECADE_SYNTAX >::sexps_syntax

staticconstexpr

Definition at line 99 of file eval.h.

◆ truthiness_function

template<bool DECADE_SYNTAX = false>

std::function<bool(json const&)> ghassanpl::eval::environment< DECADE_SYNTAX >::truthiness_function

eval('.test') -> eval(prefix_macros['.']('.test'))

Definition at line 111 of file eval.h.

◆ unknown_func_eval

template<bool DECADE_SYNTAX = false>

eval_func ghassanpl::eval::environment< DECADE_SYNTAX >::unknown_func_eval

Definition at line 105 of file eval.h.

◆ unknown_var_eval

template<bool DECADE_SYNTAX = false>

std::function<value(self_type&, std::string_view)> ghassanpl::eval::environment< DECADE_SYNTAX >::unknown_var_eval

Definition at line 106 of file eval.h.

◆ user_data

template<bool DECADE_SYNTAX = false>

void* ghassanpl::eval::environment< DECADE_SYNTAX >::user_data

Definition at line 109 of file eval.h.

◆ user_storage

template<bool DECADE_SYNTAX = false>

std::map<std::string, json, std::less<> > ghassanpl::eval::environment< DECADE_SYNTAX >::user_storage

Definition at line 108 of file eval.h.

ghassanpl
eval
environment
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