Basic Block Basic block contains a sequence of statement. The flow of control enters at the beginning of the statement and leave…
Tag:
slr-1-parsing
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Derivation Derivation is a sequence of production rules. It is used to get the input string through these production rules. During parsing…
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Regular expression Regular expression is a sequence of pattern that defines a string. It is used to denote regular languages. It is…
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Postfix Translation In a production A → α, the translation rule of A.CODE consists of the concatenation of the CODE translations of…
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BNF Notation BNF stands for Backus-Naur Form. It is used to write a formal representation of a context-free grammar. It is also…
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Design Issues In the code generation phase, various issues can arises: Input to the code generator Target program Memory management Instruction selection…
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Representing Scope Information In the source program, every name possesses a region of validity, called the scope of that name. The rules…
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Procedures call Procedure is an important and frequently used programming construct for a compiler. It is used to generate good code for…
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Boolean expressions Boolean expressions have two primary purposes. They are used for computing the logical values. They are also used as conditional…
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Finite state machine Finite state machine is used to recognize patterns. Finite automata machine takes the string of symbol as input and…