node_function Class Reference

#include <node_impl.hpp>

Inheritance diagram for node_function:

List of all members.

Public Member Functions
	node_function (identifier_list const &parameters, node definition)
	node_function (std::istream &stream)
identifier_list const &	parameters () const
node	definition () const
Private Member Functions
virtual void	print_node (std::ostream &stream, int indent) const
virtual number	evaluate_node () const
virtual identifier_list const &	evaluate_parameters () const
virtual void	save_node (std::ostream &stream) const
Private Attributes
identifier_list	parameters_
node	definition_

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Detailed Description

Function definition. A function has parameters and a definition.

Definition at line 102 of file node_impl.hpp.

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Constructor & Destructor Documentation

node_function::node_function	(	identifier_list const &	parameters,
		node	definition
	)

Definition at line 214 of file node_impl.cpp.

: node_impl(), parameters_(parameters), definition_(definition)
{}

node_function::node_function

(

std::istream &

stream

)

Definition at line 218 of file node_impl.cpp.

References definition_, and parameters_.

: node_impl()
{
  std::size_t size;
  if (not (stream >> size))
    throw calc_error("malformed library file, cannot read function");
  parameters_.reserve(size);
  while (size-- != 0) {
    std::string parameter;
    if (not (stream >> parameter))
      throw calc_error("malformed library file, cannot read function parameter");
    parameters_.push_back(parameter);
  }
  definition_ = node(stream);
}

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Member Function Documentation

identifier_list const & node_function::parameters

(

)

const

Definition at line 234 of file node_impl.cpp.

References parameters_.

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

{
  return parameters_;
}

node node_function::definition

(

)

const

Definition at line 240 of file node_impl.cpp.

References definition_.

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

{
  return definition_;
}

void node_function::print_node	(	std::ostream &	stream,
		int	indent
	)			const [private, virtual]

Implements node_impl.

Definition at line 257 of file node_impl.cpp.

References definition(), parameters(), node::print(), and print_identifier_list().

{
  stream << std::setw(indent) << "" << "fun\n";
  print_identifier_list(stream, parameters());
  stream << '=';
  definition().print(stream, indent + 2);
}

number node_function::evaluate_node

(

)

const [private, virtual]

Implements node_impl.

Definition at line 266 of file node_impl.cpp.

References definition(), and node::evaluate().

{
  return definition().evaluate();
}

identifier_list const & node_function::evaluate_parameters

(

)

const [private, virtual]

Reimplemented from node_impl.

Definition at line 272 of file node_impl.cpp.

References parameters().

{
  return parameters();
}

void node_function::save_node

(

std::ostream &

stream

)

const [private, virtual]

Implements node_impl.

Definition at line 278 of file node_impl.cpp.

References definition(), parameters(), and node::save().

{
  stream << "function " << parameters().size() << ' ';
  std::copy(parameters().begin(), parameters().end(), std::ostream_iterator<std::string>(stream, " "));
  definition().save(stream);
}

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Member Data Documentation

identifier_list node_function::parameters_ [private]

Definition at line 114 of file node_impl.hpp.

Referenced by node_function(), and parameters().

node node_function::definition_ [private]

Definition at line 115 of file node_impl.hpp.

Referenced by definition(), and node_function().

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

• node_impl.hpp
• node_impl.cpp

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