(bison.info.gz) Examples

 
 Examples
 ********
 
    Now we show and explain three sample programs written using Bison: a
 reverse polish notation calculator, an algebraic (infix) notation
 calculator, and a multi-function calculator.  All three have been tested
 under BSD Unix 4.3; each produces a usable, though limited, interactive
 desk-top calculator.
 
    These examples are simple, but Bison grammars for real programming
 languages are written the same way.  You can copy these examples out of
 the Info file and into a source file to try them.

 
* RPN Calc          Reverse polish notation calculator;
                         a first example with no operator precedence.
* Infix Calc        Infix (algebraic) notation calculator.
                         Operator precedence is introduced.
* Simple Error Recovery  Continuing after syntax errors.
* Location Tracking Calc Demonstrating the use of @N and @$.
* Multi-function Calc  Calculator with memory and trig functions.
                            It uses multiple data-types for semantic values.
* Exercises         Ideas for improving the multi-function calculator.

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