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Assignment No. 04 Semester: Spring 2014 Compiler Construction CS606 Total Marks: 20 Due Date: 24/07/2014

Question No 1:                                                                                                                       Marks 20

Consider the following grammar productions. Suppose you have an attribute E.type which can be set to either INT or BOOL.  Assume that the type of an expression is set to INT if an error is detected and you have a routine msg() similar to printf() that can be used to print error message.


E  à   CONST                               {E.type=??}

          | ID                                      {E.type =getType(ID.name);}

          | E1 +E2                              {E.type=??}

          | E1< E2                              {E.type=??}

          | E1= =E2                            {E.type=??}

          | (E1)                                    {E.type=??}


Provide the parse tree for the expression (5 < 2) = = (4 + x).

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Replies to This Discussion

enjoy everyone

ye parse tree to  ni ha tree ka pocha gaya ha wo kasiy banai ha plz help

yeh 2 Questions hain  A.Brain Maker

Uzair Malik kia ap wo file upload kerain ?

parse tree nhi annoted tree bnana hy

agr kisi ne thek solve kr hi kia hy to solution share  kr do plzzzzzzzz.

There is 1 Question in the assignment...How u guys are giving two solutions???

 Jazib Ramzan  bhai is assignmnet ki VU walo ki solution file upload karo pleaes jaldi


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