net.sourceforge.czt.parser.util

Class DefinitionTable

java.lang.Object

net.sourceforge.czt.parser.util.InfoTable

net.sourceforge.czt.parser.util.DefinitionTable

public class DefinitionTable
extends InfoTable

A definition table stores all the global definitions of a section.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DefinitionTable.Definition This defines a definition, but without the name.
static class	DefinitionTable.DefinitionException
static interface	DefinitionTable.DefinitionVisitor<T> This interface allows visitors to visit definitions.

Nested classes/interfaces inherited from class net.sourceforge.czt.parser.util.InfoTable

InfoTable.Info, InfoTable.InfoTableException

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DefinitionTable(Dialect d, String sectionName, Collection<DefinitionTable> parents) Constructs a definition table for a new section.

Method Summary

Modifier and Type	Method and Description
protected void	add(String defName, DefinitionTable.Definition def) Adds a new definition.
protected <T extends InfoTable> void	addParentTable(T table)
DefinitionTable.Definition	lookup(String defname) Looks up a definition to see if it is defined in this section or in any of the ancestor sections.
String	toString()

Methods inherited from class net.sourceforge.czt.parser.util.InfoTable

addParents, getDialect, getSectionName, getWord

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DefinitionTable

protected DefinitionTable(Dialect d,
                          String sectionName,
                          Collection<DefinitionTable> parents)
                   throws DefinitionTable.DefinitionException

Constructs a definition table for a new section. Changed the originally public method to be protected. One should not directly update the DefinitionTable, but use the lookup algorithm from the DefinitionTableVisitor instead.

Parameters:

sectionName -

parents - Definition tables of all direct parents of the new section.

Throws:

DefinitionTable.DefinitionException

Method Detail

addParentTable

protected <T extends InfoTable> void addParentTable(T table)
                                             throws InfoTable.InfoTableException

Specified by:

addParentTable in class InfoTable

Throws:

InfoTable.InfoTableException

lookup

public DefinitionTable.Definition lookup(String defname)

Looks up a definition to see if it is defined in this section or in any of the ancestor sections.

Parameters:

defname - The definition name.

Returns:

Returns null if defname is not defined.

toString

public String toString()

Overrides:

toString in class Object

add

protected void add(String defName,
                   DefinitionTable.Definition def)
            throws DefinitionTable.DefinitionException

Adds a new definition. Changed the originally public method to be protected. One should not directly update the DefinitionTable, but use the lookup algorithm from the DefinitionTableVisitor instead.

Parameters:

defName -

def -

Throws:

DefinitionTable.DefinitionException - if definition is incompatible with existing definitions.