Programming Languages and Compilers WS 2013/14 - Slide 304
Objectives:
Illustrate comparison of concrete and abstract syntax
In the lecture:
- Repeat concepts of "GdP" (slide GdP-2.9):
- Compare grammars and trees.
- Actions create nodes of the abstract program tree.
- Symbol classes shrink node pairs that represent chain productions into one node
Suggested reading:
Kastens / Übersetzerbau, Section 4.1
Suggested reading:
slide GdP-2.9
Questions:
- Is this abstract grammar unambiguous?
- Why is that irrelevant?
©2009 by Prof. Dr. Uwe Kastens
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