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SymbolTable Class Reference

A SymbolTable keeps a numbered list of records, which each have a unique (type, text). More...

#include <SymbolTable.h>

Collaboration diagram for SymbolTable:

[legend]List of all members.

Public Methods

• size_t getTableNumber () const
• const Type type (Index index) const
• const char * text (Index index) const
• const void keep (Index index)
• const bool release (Index index)
• Index lookupOrAdd (Type type, const char *text, bool *added_ptr=0)
• size_t size () const

Friends

• class Symbol

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Detailed Description

A SymbolTable keeps a numbered list of records, which each have a unique (type, text).

The "type" part gives us essentially a small group of related SymbolTables with distinct namespaces but the same number space.

Definition at line 29 of file SymbolTable.h.

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Member Function Documentation

const bool SymbolTable::release (  Index    index )  [inline]

Undo the "keep" declaration. This may cause the Symbol to be garbage collected. Definition at line 79 of file SymbolTable.h.

SymbolTable::Index SymbolTable::lookupOrAdd (  SymbolTable::Type    type, const char *    text, bool *    added_ptr = 0 )

Look for an entry with this (type, text) combination. If it's found, return it's index. If not, add it and return it's index. Definition at line 74 of file SymbolTable.cpp. Referenced by SimpleVariableScope::getVar(), and SimpleVariableScope::getVarIndex().

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