Download PCLEX Manual - Abraxas Software

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5. Regular Grammar and Regular Language ...................................................18
6. Regular Expressions....................................................................................19
7. PCLEX Terminology -- A Short Review .....................................................21
V. Getting Started -- OUR FIRST Example.................................................................23
1. Scanner Description File for Word Count Program.....................................23
2. Building the Executable File ........................................................................25
3. Sample Session.............................................................................................25
VI. Integrating PCYACC and PCLEX .........................................................................26
1. PCYACC -- A Parser Generator ..................................................................26
2. Parser and Scanner .......................................................................................26
3. C Header File Generated by PCYACC ........................................................27
4. "yylval" and "YYSTYPE"............................................................................27
VII. Dates -- A Second Example..................................................................................29
1. Problem Statement .......................................................................................29
2. Developing the Source Language.................................................................29
3. Separate the Lexical and Syntactic Parts......................................................30
4. Write the PCLEX Scanner Description........................................................30
5. Write the PCYACC Parser Description .......................................................32
6. Write the Auxiliary C Code .........................................................................35
7. Build the Program ........................................................................................37
8. Build the Program with MAKE ...................................................................38
VIII. ANSI C SYNTAX Analyzer--A Third Example .................................................40
1. Problem Statement .......................................................................................40
2. Developing the Source Language.................................................................40
3. Separate the Lexical and Syntactic Parts......................................................41
4. Write the PCLEX Scanner Description........................................................41
5. Write the PCYACC Parser Description .......................................................52
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