Answer Happy

When writing a compiler, for which five of the following
purposes might you use an attribute grammar?
a. detecting misspelled reserved words
b. determining when to insert instructions to convert an integer
to a float
c. detecting type mismatch errors in expressions
d. detecting type mismatch errors in assignment statements
e. detecting type mismatch errors in function calls
f. detecting if the same variable is declared in two places
g. detecting infinite loops
h. handling runtime exceptions