crp::Block Class Reference

Class Block represents blocks in the control flow structure. More...

#include <block.h>

Inheritance diagram for crp::Block:

Public Types
enum	BlockType { PURE, SEQUENCE, QUOTE, CLASS }
	Enumerates possible block types. More...
Public Member Functions
	Block (BlockType type=PURE)
	Constructs an empty block with the given type.
	Block (BlockType type, const SPtr< List > &commands)
	Constructs a block with the given commands.
virtual	~Block ()
	Virtual destructor.
BlockType	get_block_type () const
	Returns the block type.
void	add_command (const DPtr &command)
	Adds a command to the end of the block.
SPtr< List > &	get_commands ()
	Returns the block commands.
const SPtr< List > &	get_commands () const
	Returns the block commands.
virtual CommandType	get_command_type () const
	Returns the enumerated type of the command.
virtual std::string	to_string () const
	Converts the object to a non-formatted string.
Protected Attributes
BlockType	type
	Sequence flag.
SPtr< List >	commands
	List of commands.

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Detailed Description

Class Block represents blocks in the control flow structure.

Blocks differ in their evaluation behavior. For pure blocks a new scope is created for the evaluation. Sequences and quotes are not evaluated in a new scope.

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Member Enumeration Documentation

enum crp::Block::BlockType

Enumerates possible block types.

Enumerator:

PURE
SEQUENCE
QUOTE
CLASS

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Constructor & Destructor Documentation

crp::Block::Block

(

BlockType

type = PURE

)

Constructs an empty block with the given type.

Parameters:

type	Type of the block

crp::Block::Block	(	BlockType	type,
		const SPtr< List > &	commands
	)

Constructs a block with the given commands.

Parameters:

type	Type of the block
commands	Commands of the block

virtual crp::Block::~Block

(

)

[inline, virtual]

Virtual destructor.

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Member Function Documentation

void crp::Block::add_command

(

const DPtr &

command

)

[inline]

Adds a command to the end of the block.

Parameters:

command

Command to add

BlockType crp::Block::get_block_type

(

)

const [inline]

Returns the block type.

Returns:

Type of the block

virtual CommandType crp::Block::get_command_type

(

)

const [inline, virtual]

Returns the enumerated type of the command.

Returns:

Type of the object

Implements crp::Command.

const SPtr<List>& crp::Block::get_commands

(

)

const [inline]

Returns the block commands.

Returns:

List of block commands

SPtr<List>& crp::Block::get_commands

(

)

[inline]

Returns the block commands.

Returns:

List of block commands

virtual std::string crp::Block::to_string

(

)

const [virtual]

Converts the object to a non-formatted string.

This method is thought to be used for debugging purposes only.

Returns:

String representation of the object

Reimplemented from crp::Command.

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Field Documentation

SPtr<List> crp::Block::commands [protected]

List of commands.

BlockType crp::Block::type [protected]

Sequence flag.

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

• block.h