Scope

Models a hierarchy of environments.

class Scope {

Scope parent;

ScopeSymbol symbol;

this(Scope parent, ScopeSymbol symbol);

Symbol lookup(Identifier* name);

Symbol search(Identifier* name);

Symbol search(Identifier* name, Symbol ignoreSymbol);

Scope enter(ScopeSymbol symbol);

Scope exit();

Scope findScope(SYM sid);

Scope classScope();

Scope moduleScope();

}

Constructors

this this(Scope parent, ScopeSymbol symbol): Constructs a Scope.

Members

Functions

classScope Scope classScope(): Searches for the enclosing Class scope.
enter Scope enter(ScopeSymbol symbol): Creates a new inner scope and returns that.
exit Scope exit(): Destroys this scope and returns the outer scope.
findScope Scope findScope(SYM sid): Searches for a scope matching type sid.
lookup Symbol lookup(Identifier* name): Finds a symbol in this scope.
moduleScope Scope moduleScope(): Searches for the enclosing Module scope.
search Symbol search(Identifier* name): Searches for a symbol in this scope and all enclosing scopes.
search Symbol search(Identifier* name, Symbol ignoreSymbol): Searches for a symbol in this scope and all enclosing scopes.

Variables

parent Scope parent;: The surrounding scope, or null if this is the root scope.
symbol ScopeSymbol symbol;: The current symbol with the symbol table.

Meta

Source

See Implementation

dil semantic Scope modules