GATE (Graduate Aptitude Test in Engineering) Computer Science & IT (CS) Compiler Design-Basics of Code Optimization Study Material (Page 4 of 5)
Choose Programs:
🎓 Study Material (1190 Notes): 2024-2025 Syllabus
Rs. 1000.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 302 Numeric, 2894 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 650.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Semantic Analysis: Dependency Graph
Dependency Graph
Dependency Graphs refers to implementing a Syntax Directed Definition and consists of primarily in finding an order for the evaluation of attributes. Each attribute value must be available when a computation is performed.
Dependency Graphs are the most general technique used to evaluate syntax directed definitions with both synthesized and inherited attributes. A…
… (112 more equations, 49 figures) …
Subscribe (by clicking here) to view full notes and track progress.
Semantic Analysis: Evaluation Order
Evaluation Order
Semantic rules in a S-Attributed Definition can be evaluated by a bottom-up, or Post Order, traversal of the parse-tree. Example, the above arithmetic grammar is an example of an S-Attribute Definition. The annotated parse-tree for the input is,
Evaluation Order: Inherited attributes cannot be evaluated by a simple Pre-Order traversal of the parse-tree. Unlike synthesized a…
… (55 more words, 5 figures) …
Subscribe (by clicking here) to view full notes and track progress.