Question

Advantage of incorporating the macro-processor into pass 1 is that _________

(a) Many functions have to be implemented twice

(b) Functions are combined not necessarily creating intermediate files as output from the macro-processor and input to the assembler

(c) More flexibility is provided to the programmer in that he may use all the features of the assembler in conjunction with macros

(d) All of the mentioned

I had been asked this question in my homework.

My question is based upon LR Parser topic in section Bottom Up Parsing of Compiler

Answer 1

The correct answer is (d) All of the mentioned

For explanation I would say: A general-purpose macro processor or general purpose pre-processor is a macro designed primarily for string manipulation, macro definition.