Abstract Syntax Tree. More...
#include <matheval.hpp>
Public Types | |
| using | tree_t = std::variant< nil, real_t, std::string, recursive_wrapper< expr_ast< real_t > >, recursive_wrapper< binary_op< real_t > >, recursive_wrapper< unary_op< real_t > > > |
Public Member Functions | |
| expr_ast () | |
| Default constructor. | |
| template<typename Expr > | |
| expr_ast (Expr other) | |
| Copy constructor. | |
| expr_ast & | operator+= (expr_ast const &rhs) |
| Add a tree. | |
| expr_ast & | operator-= (expr_ast const &rhs) |
| subtract a tree | |
| expr_ast & | operator*= (expr_ast const &rhs) |
| Multiply by a tree. | |
| expr_ast & | operator/= (expr_ast const &rhs) |
| Divide by a tree. | |
Public Attributes | |
| tree_t | tree |
| AST storage. | |
Detailed Description
struct matheval::detail::expr_ast< real_t >
Abstract Syntax Tree.
Stores the abstract syntax tree (AST) of the parsed mathematical expression.
Definition at line 132 of file matheval.hpp.
Member Typedef Documentation
◆ tree_t
| using matheval::detail::expr_ast< real_t >::tree_t = std::variant< nil , real_t, std::string, recursive_wrapper<expr_ast<real_t> >, recursive_wrapper<binary_op<real_t> >, recursive_wrapper<unary_op<real_t> >> |
Definition at line 133 of file matheval.hpp.
Constructor & Destructor Documentation
◆ expr_ast() [1/2]
|
inline |
Default constructor.
Initializes the tree to a nil value to indicate inconsistent state.
Definition at line 154 of file matheval.hpp.
◆ expr_ast() [2/2]
|
inline |
Member Function Documentation
◆ operator*=()
| expr_ast< real_t > & matheval::detail::expr_ast< real_t >::operator*= | ( | expr_ast< real_t > const & | rhs | ) |
Multiply by a tree.
Definition at line 253 of file matheval.hpp.
References matheval::detail::unary_op< real_t >::rhs.
◆ operator+=()
| expr_ast< real_t > & matheval::detail::expr_ast< real_t >::operator+= | ( | expr_ast< real_t > const & | rhs | ) |
Add a tree.
Definition at line 243 of file matheval.hpp.
References matheval::detail::unary_op< real_t >::rhs.
◆ operator-=()
| expr_ast< real_t > & matheval::detail::expr_ast< real_t >::operator-= | ( | expr_ast< real_t > const & | rhs | ) |
subtract a tree
Definition at line 248 of file matheval.hpp.
References matheval::detail::unary_op< real_t >::rhs.
◆ operator/=()
| expr_ast< real_t > & matheval::detail::expr_ast< real_t >::operator/= | ( | expr_ast< real_t > const & | rhs | ) |
Divide by a tree.
Definition at line 258 of file matheval.hpp.
References matheval::detail::unary_op< real_t >::rhs.
Member Data Documentation
◆ tree
| tree_t matheval::detail::expr_ast< real_t >::tree |
AST storage.
The syntax tree can hold various types. Numbers (real_t), variables (std::string), the recursive tree itself (expr_ast), binary operators (binary_op), and unary operators (unary_op).
Definition at line 147 of file matheval.hpp.
Referenced by matheval::detail::eval_ast< real_t >::operator()(), matheval::detail::ConstantFolder< real_t >::operator()(), and matheval::Parser< real_t >::optimize().
The documentation for this struct was generated from the following file:
