Canonical Collection of LR(0) items An LR (0) item is a production G with dot at some position on the right side…
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Phases
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LR Parser LR parsing is one type of bottom up parsing. It is used to parse the large class of grammars. In…
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Global data flow analysis To efficiently optimize the code compiler collects all the information about the program and distribute this information to…
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Data structure for symbol table A compiler contains two type of symbol table: global symbol table and scope symbol table. Global symbol…
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Parser Parser is a compiler that is used to break the data into smaller elements coming from lexical analysis phase. A parser…
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Machine-Independent Optimization Machine independent optimization attempts to improve the intermediate code to get a better target code. The part of the code…
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Automatic Parser Generator YACC is an automatic tool that generates the parser program. As we have discussed YACC in the first unit…
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Declarations When we encounter declarations, we need to lay out storage for the declared variables. For every local name in a procedure,…
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Quadruples The quadruples have four fields to implement the three address code. The field of quadruples contains the name of the operator,…
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Postfix Notation Postfix notation is the useful form of intermediate code if the given language is expressions. Postfix notation is also called…
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