Language Processors
The task(s) of the Lexial analysis phase is/are:

to parse the source program into the basic elements or tokens of the language
to build a uniform symbol table
All of these
to build a literal table and an identifier table

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Language Processors
In analyzing the compilation of PL/I program, the term "Machine independent optimization" is associated with

use of macro processor to produce more optimal assembly code
creation of more optional matrix
recognition of basic syntactic constructs through reductions
recognition of basic elements and creation of uniform symbols

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Language Processors
The function(s) of the Syntax phase is/ are:

to parse the source program into the basic elements or tokens of the language
to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs
to build a uniform symbol table
to build a literal table and an identifier table

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Language Processors
The function(s) of the Storage Assignment is/are:

to assign storage to all variables referenced in the source program
to assign storage to literals, and to ensure that the storage is allocated and appropriate locations are initialized
All of these
to assign storage to all temporary locations that are necessary for intermediate results

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