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Unformatted text preview: Scope Denoted values Variables References Declarations Semantics Binding Scope we need rules to define scoping Scoping Static scoping Declarations and references can be matched without code execution Search “outward” Dynamic scoping Declarations and references are matched during code execution 11/22/2010 3 Concepts Shadowing Holes Extent Duration of the binding Contour diagram Helps resolving bindings Lexical depth Another example How are the binding rules defined? How are the binding rules defined?...
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- Spring '10