Download The Compiler Generator Coco/R

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Contents
1. Overview ..............................................................................................................................................3
1.1 Sample Production.........................................................................................................................3
1.2 Sample Parsing Method .................................................................................................................4
1.3 Summary of Features .....................................................................................................................4
2. Input Language.....................................................................................................................................5
2.1 Vocabulary.....................................................................................................................................5
2.2 Overall Structure............................................................................................................................6
2.3 Scanner Specification ....................................................................................................................7
2.3.1 Character sets .........................................................................................................................7
2.3.2 Tokens....................................................................................................................................8
2.3.3 Pragmas..................................................................................................................................9
2.3.4 Comments ............................................................................................................................ 10
2.3.5 White space .......................................................................................................................... 10
2.3.6 Case sensitivity .................................................................................................................... 10
2.3.7 Named tokens....................................................................................................................... 10
2.4 Parser Specification ..................................................................................................................... 11
2.4.1 Productions .......................................................................................................................... 12
2.4.2 Semantic Actions ................................................................................................................. 12
2.4.3 Attributes ............................................................................................................................. 12
2.4.4 The Symbol ANY ................................................................................................................ 14
2.4.5 LL(1) Conflicts .................................................................................................................... 14
2.4.6 LL(1) Conflict Resolvers ..................................................................................................... 17
2.4.7 Syntax Error Handling ......................................................................................................... 20
2.4.8 Frame Files........................................................................................................................... 23
3. User Guide.......................................................................................................................................... 23
3.1 Installation ................................................................................................................................... 23
3.2 Invocation .................................................................................................................................... 23
3.3 Interfaces of the Generated Classes ............................................................................................. 25
3.3.1 Scanner................................................................................................................................. 25
3.3.2 Token ................................................................................................................................... 25
3.3.3 Buffer ................................................................................................................................... 26
3.3.4 Parser ................................................................................................................................... 26
3.3.5 Errors ................................................................................................................................... 26
3.4 Main Class of the Compiler ......................................................................................................... 27
3.5 Grammar Tests............................................................................................................................. 28
4. A Sample Compiler ............................................................................................................................ 29
5. Applications of Coco/R ...................................................................................................................... 31
6. Acknowledgements ............................................................................................................................ 32
A. Syntax of Cocol/R ............................................................................................................................. 33
B. Sources of the Sample Compiler........................................................................................................ 34
B.1 Taste.ATG................................................................................................................................... 34
B.2 TL.cs (symbol table) ................................................................................................................... 37
B.3 TC.cs (code generator) ................................................................................................................ 39
B.4 Taste.cs (main program).............................................................................................................. 41