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21 Cards in this Set
- Front
- Back
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What is the first step in the compilation process?
What is the output? |
Lexical Analyzer ("Lexer")
Token stream |
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What is the second step in the compilation process?
What is the output |
Parser
I: Stream of tokens O: Parse Tree / Abstract Syntax Tree |
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What is the last stage in the compilation process?
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Semantic Analyzer
-think type checking |
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Variable Declaration
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Declare a type for a variable
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Variable Definition
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Assign a value to a variable
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What is the first type of pointer problem?
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Bad pointer-pointer declared but not initialized with a memory address.
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What is the second type of pointer problem.
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Dangling pointer-dynamic allocation deallocated but a pointer somewhere still references it.
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What is the third type of pointer problem?
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Lost heap dynamic variable - "memory leak." Pointer assigned to another address and original address lost. Space for that original address is never deallocated.
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What is "Implicit Scaling"
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A compiler automatically adjusts the reference of an address based on the size of the data type.
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What is a binding?
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A binding is an association between an attribute and an entity.
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Initialization
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The binding of a variable to a value at the time it is bound to storage.
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What is an l-value?
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The memory address of a variable
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What is a r-value?
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The contents of a memory address of a variable
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Blocks
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Create a static scope inside program unit (ie the int i inside a for loop).
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What is the first design issue of an array?
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What types are legal for subscripts?
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What is the second design issue of an array?
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What is the maximum number of dimensions?
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What is the third design issue of an array?
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Range checking?
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What is the fourth design issue of an array?
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How are array object initialized? i.e. how are the values in the array stored in memory?
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What is the fifth design issue of an array?
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Are slices allowed?
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What is the sixth design issue for an array?
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When are subscript ranges bound?
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What is the seventh design issue for an array?
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When does allocation take place?
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