node_function_call Class Reference

#include <node_impl.hpp>

Inheritance diagram for node_function_call:

List of all members.

Public Member Functions
	node_function_call (std::string const &name, node_list const &arguments)
	node_function_call (std::istream &stream)
std::string	name () const
node_list const &	arguments () const
Private Member Functions
virtual void	print_node (std::ostream &stream, int indent) const
virtual double	evaluate_node () const
virtual void	save_node (std::ostream &stream) const
Private Attributes
std::string	name_
node_list	arguments_

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Detailed Description

Function call.

Definition at line 119 of file node_impl.hpp.

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Constructor & Destructor Documentation

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

Definition at line 288 of file node_impl.cpp.

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

node_function_call::node_function_call

(

std::istream &

stream

)

Definition at line 292 of file node_impl.cpp.

References arguments_, name(), and name_.

: 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_.push_back(node(stream));
  }
}

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Member Function Documentation

std::string node_function_call::name

(

)

const

Definition at line 307 of file node_impl.cpp.

References name_.

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

{
  return name_;
}

node_list const & node_function_call::arguments

(

)

const

Definition at line 313 of file node_impl.cpp.

References arguments_.

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

{
  return arguments_;
}

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

Implements node_impl.

Definition at line 319 of file node_impl.cpp.

References arguments(), and name().

{
  stream << std::setw(indent) << "" << name() << "(\n";
  for (node_list::const_iterator first(arguments().begin()), arg(first); arg != arguments().end(); ++arg) {
    stream << std::setw(indent+1) << "" << "arg " << std::distance(first, arg) << ": ";
    arg->print(stream, indent + 2);
  }
  stream << std::setw(indent) << "" << ")\n";
}

double node_function_call::evaluate_node

(

)

const [private, virtual]

Implements node_impl.

Definition at line 330 of file node_impl.cpp.

References arguments(), node::evaluate(), 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 (node_list::const_iterator arg(arguments().begin()); arg != arguments().end(); ++arg, ++parm) {
      locals.insert(std::make_pair(*parm, *arg));
    }
    set_symbol_table syms(locals);
    return function.evaluate();
  }
}

void node_function_call::save_node

(

std::ostream &

stream

)

const [private, virtual]

Implements node_impl.

Definition at line 351 of file node_impl.cpp.

References arguments(), and name().

{
  stream << "call " << name() << ' ' << arguments().size() << ' ';
  for (node_list::const_iterator arg(arguments().begin()); arg != arguments().end(); ++arg)
    arg->save(stream);
}

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Member Data Documentation

std::string node_function_call::name_ [private]

Definition at line 130 of file node_impl.hpp.

Referenced by name(), and node_function_call().

node_list node_function_call::arguments_ [private]

Definition at line 131 of file node_impl.hpp.

Referenced by arguments(), and node_function_call().

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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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