Node:Location Tracking Calc, Next:Multi-function Calc, Previous:Simple Error Recovery, Up:Examples

Location Tracking Calculator: ltcalc

This example extends the infix notation calculator with location tracking. This feature will be used to improve the error messages. For the sake of clarity, this example is a simple integer calculator, since most of the work needed to use locations will be done in the lexical analyser.

• Decls: Bison and C declarations for ltcalc.
• Rules: Grammar rules for ltcalc, with explanations.
• Lexer: The lexical analyzer.