Blog: CS606 Finalterm Current Paper 2013 File 6

Phases of front end of compiler.

2 - why we use live variable analysis.

3 - Differentiate attribute grammar and syntax-directed grammar.

3 - why compilers use multiple IR.

3 - from given CFG generate string aa+a*

S->SS+ | SS* | a

5 - S->XX

X->XXX | bX | Xb | a

draw parse tree for string bbaaaab

the questions i forget was from attribute grammar and syntax directed and it related topics.

3 - some thing was like write example of attribute grammar.

5 - example of syntax directed ...