topic 4: abstract syntax semantic analysisabstract syntax tree semantic parser analysis ir source...
TRANSCRIPT
![Page 1: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/1.jpg)
1
Topic 4: Abstract SyntaxSemantic Analysis
COS 320
Compiling Techniques
Princeton University Spring 2018
Prof. David August
![Page 2: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/2.jpg)
2
Abstract Syntax
![Page 3: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/3.jpg)
3
Parse Trees
![Page 4: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/4.jpg)
4
Parse Tree Example
![Page 5: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/5.jpg)
5
Parse Tree Example
![Page 6: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/6.jpg)
6
Semantic Analysis: Symbol Tables
![Page 7: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/7.jpg)
7
Symbol Table Example
![Page 8: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/8.jpg)
8
Symbol Table Implementation
![Page 9: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/9.jpg)
9
Imperative Symbol Tables
![Page 10: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/10.jpg)
10
Functional Symbol Tables
![Page 11: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/11.jpg)
11
Functional Symbol Tables
![Page 12: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/12.jpg)
12
Functional Symbol Table Example
![Page 13: Topic 4: Abstract Syntax Semantic AnalysisAbstract Syntax Tree Semantic Parser Analysis IR Source Lexer Back End We have been lookmg at concrete parse trees. — Each Internal node](https://reader036.vdocuments.us/reader036/viewer/2022062508/604d26d03acf6d3e9a42c24e/html5/thumbnails/13.jpg)
13
Functional Symbol Table Example