Question

In: Computer Science

what role does the symbol table play in compiler when it is created

what role does the symbol table play in compiler when it is created

Solutions

Expert Solution

  • Symbol table is required in both synthesis and analysis phase.
  • Symbol table stores all the tokens of a program i.e identifiers,keywords,constants etc.
  • It stores each variable and it's value.Whenever the value of variable required it will be fetched from the symbol table.
  • It can also be used for type checking i.e whether the token is valid or not.
  • The symbol table entry contains several attributes.Those are name,value,type,scope.

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