Extend the syntax-directed definition

Reference no: EM131099145

Expressions generated by the following grammar can have assignments within them.

The sernantics of expressions are as in C. That is. b: =c is an expression that assigns the value of c to b; the r-value of this expression is the same as that of c. Furthermore. a: = (b: =0) assigns the value of c to b and then to a.

a) Construct a syntax-directed definition for checking that the left side of an expression is an l-value. Use an inherited attribute side of nonterminal E to indicate whether the expression generated by E appears on the len or right side of an assignment.

b) Extend the syntax-directed definition in (a) to generate intermediate code for the stack machine of Section 2.8 as it checks the input

Reference no: EM131099145

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