node_function_call Class Reference

#include <node_impl.hpp>

Inheritance diagram for node_function_call:

Public Member Functions
	node_function_call (std::string name, node_list arguments)
	node_function_call (std::istream &stream)
std::string	name () const
node_list const &	arguments () const
Public Member Functions inherited from node_impl
	node_impl ()
virtual	~node_impl ()
void	print (std::ostream &stream, int indent) const
double	evaluate () const
std::string	to_string () const
identifier_list const &	get_parameters () const
void	save (std::ostream &stream) const

Private Member Functions
virtual void	print_node (std::ostream &stream, int indent) const override
virtual double	evaluate_node () const override
virtual void	save_node (std::ostream &stream) const override

Private Attributes
std::string	name_
node_list	arguments_

Additional Inherited Members
Static Public Member Functions inherited from node_impl
static std::shared_ptr< node_impl >	read_node (std::istream &stream)

Detailed Description

Function call.

Definition at line 115 of file node_impl.hpp.

Constructor & Destructor Documentation

node_function_call::node_function_call	(	std::string	name,
		node_list	arguments
	)

Definition at line 277 of file node_impl.cpp.

: node_impl{}, name_{std::move(name)}, arguments_{std::move(arguments)}
{}

node_function_call::node_function_call

(

std::istream &

stream

)

Definition at line 281 of file node_impl.cpp.

: node_impl{}
{
  std::string name{};
  if (not (stream >> name_))
    throw calc_error{"malformed library file, cannot read function call name"};
  std::size_t size{};
  if (not (stream >> size))
    throw calc_error{"malformed library file, cannot read function call"};
  arguments_.reserve(size);
  while (size-- != 0) {
    arguments_.emplace_back(stream);
  }
}

Member Function Documentation

node_list const & node_function_call::arguments

(

)

const

Definition at line 302 of file node_impl.cpp.

References arguments_.

Referenced by evaluate_node(), print_node(), and save_node().

{
  return arguments_;
}

double node_function_call::evaluate_node ( ) const

overrideprivatevirtual

Implements node_impl.

Definition at line 321 of file node_impl.cpp.

References arguments(), get_function(), node::get_parameters(), and name().

{
  // Create a local symbol table, assigning all the node values to the parameters.
  node function{ get_function(name()) };
  identifier_list const& parameters{ function.get_parameters() };
  if (parameters.size() != arguments().size())
    throw function_error{name(), parameters.size(), arguments().size()};
  else
  {
    // Create a local symbol table by assigning the arguments to the function parameters.
    symbol_table locals{};
    identifier_list::const_iterator parm{parameters.begin()};
    for (auto const& arg : arguments()) {
      locals.emplace(*parm, arg);
      ++parm;
    }
    set_symbol_table syms{locals};
    return function.evaluate();
  }
}

std::string node_function_call::name

(

)

const

Definition at line 296 of file node_impl.cpp.

References name_.

Referenced by evaluate_node(), print_node(), and save_node().

{
  return name_;
}

void node_function_call::print_node ( std::ostream &  stream, int  indent  ) const

overrideprivatevirtual

Implements node_impl.

Definition at line 308 of file node_impl.cpp.

References arguments(), and name().

{
  stream << std::setw(indent) << "" << name() << "(\n";
  std::size_t index{0};
  for (auto const& arg : arguments()) {
    stream << std::setw(indent+1) << "" << "arg " << index << ": ";
    arg.print(stream, indent + 2);
    ++index;
  }
  stream << std::setw(indent) << "" << ")\n";
}

void node_function_call::save_node ( std::ostream &  stream ) const

overrideprivatevirtual

Implements node_impl.

Definition at line 343 of file node_impl.cpp.

References arguments(), and name().

{
  stream << "call " << name() << ' ' << arguments().size() << ' ';
  for (auto const& arg : arguments())
    arg.save(stream);
}

Member Data Documentation

node_list node_function_call::arguments_

private

Definition at line 127 of file node_impl.hpp.

Referenced by arguments().

std::string node_function_call::name_

private

Definition at line 126 of file node_impl.hpp.

Referenced by name().

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The documentation for this class was generated from the following files:

• node_impl.hpp
• node_impl.cpp