Synopsis - Synopsis::SymbolLookup::Scope

namespace Synopsis::SymbolLookup

class Scope

File: ../Synopsis/SymbolLookup/Scope.hh

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Scope-inheritance

A Scope contains symbol definitions.

Public Typedefs Summary:

SymbolTable::const_iterator symbol_iterator

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ScopeTable::const_iterator scope_iterator

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unsigned int LookupContext

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Public Member functions Summary:

constructor Scope()

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Scope* ref()

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const Scope* ref() const

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void unref() const

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virtual const Scope* outer_scope() const

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const Scope* global_scope() const

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virtual void accept(ScopeVisitor* v)

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symbol_iterator symbols_begin() const

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symbol_iterator symbols_end() const

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scope_iterator scopes_begin() const

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scope_iterator scopes_end() const

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void declare(const PTree::Encoding& name, const Symbol* symbol)

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declare the given symbol in the local scope using the given encoded name.

void declare_scope(const PTree::Node*, Scope*)

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declare a nested scope

virtual void use(const PTree::UsingDirective*)

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declare a 'using' directive.

Scope* find_scope(const PTree::Node*) const

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find a nested scope by declaration

Scope* find_scope(const PTree::Encoding&, const Symbol*) const

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find a nested scope by symbol.

void remove_scope(const PTree::Node*)

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Remove the given nested scope from the scope.

SymbolSet find(const PTree::Encoding&, LookupContext) const

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find the encoded name declared in this scope and return a set of matching symbols.

void remove(const Symbol* s)

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Remove the given symbol from the scope.

SymbolSet lookup(const PTree::Encoding&, LookupContext = DEFAULT) const

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look up the encoded name and return a set of matching symbols.

virtual SymbolSet unqualified_lookup(const PTree::Encoding&, LookupContext = DEFAULT) const

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virtual SymbolSet qualified_lookup(const PTree::Encoding&, LookupContext = DEFAULT) const

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Public Data members Summary:

const LookupContext DEFAULT = 0x0

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const LookupContext SCOPE = 0x1

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const LookupContext USING = 0x2

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const LookupContext ELABORATE = 0x4

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const LookupContext DECLARATION = 0x8

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Protected Typedefs Summary:

std::multimap<PTree::Encoding, const Symbol*> SymbolTable

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SymbolTable provides a mapping from (encoded) names to Symbols declared in this scope.

std::map<const PTree::Node*, Scope*> ScopeTable

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ScopeTable provides a mapping from scope nodes to Scopes, which can be used to traverse the scope tree in parallel with the associated parse tree.

Protected Member functions Summary:

virtual destructor ~Scope()

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Scopes are ref counted, and thus are deleted only by 'unref()'

Protected Data members Summary:

SymbolTable my_symbols

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ScopeTable my_scopes

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size_t my_refcount

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Public Member functions Details:

void declare(const PTree::Encoding& name, const Symbol* symbol)

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declare the given symbol in the local scope using the given encoded name.

void declare_scope(const PTree::Node*, Scope*)

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declare a nested scope

virtual void use(const PTree::UsingDirective*)

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declare a 'using' directive. The default implementation raises an exception, as it is only well-formed when the current scope is a function scope or a namespace.

Scope* find_scope(const PTree::Node*) const

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find a nested scope by declaration

Scope* find_scope(const PTree::Encoding&, const Symbol*) const

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find a nested scope by symbol. The encoded name is provided for diagnostic purposes only.

void remove_scope(const PTree::Node*)

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Remove the given nested scope from the scope.

SymbolSet find(const PTree::Encoding&, LookupContext) const

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find the encoded name declared in this scope and return a set of matching symbols.

void remove(const Symbol* s)

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Remove the given symbol from the scope. s shall not be used after its removal.

SymbolSet lookup(const PTree::Encoding&, LookupContext = DEFAULT) const

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look up the encoded name and return a set of matching symbols.

Protected Typedefs Details:

std::multimap<PTree::Encoding, const Symbol*> SymbolTable

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SymbolTable provides a mapping from (encoded) names to Symbols declared in this scope.

std::map<const PTree::Node*, Scope*> ScopeTable

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ScopeTable provides a mapping from scope nodes to Scopes, which can be used to traverse the scope tree in parallel with the associated parse tree. As this traversal is also done during the parsing, the scopes can not be const.

Protected Member functions Details:

virtual destructor ~Scope()

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Scopes are ref counted, and thus are deleted only by 'unref()'

Generated on Wed Mar 19 02:50:14 2008 by

synopsis (version 0.10)