Debugging Compiler

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Here are some hints on debugging FPC compiler itself

Debugging FPC Hints

  • useful procedure to place a breakpoint in is GenerateError. It's called for any kind of compilation error (syntax error, type error, assembler reader error, internal error, ...).
  • like gcc there are some verbosity options to show internal representations like -vp -vv,
  • Place a breakpoint in lazarus. A .lpi is in the compiler/ director (using Lazarus IDE)