[antlr-interest] Possible C Runtime Error

[Bot Tiger]

I have been trying to modify the C runtime lexer/parser error handling.
However, whenever I try to use the default error reporter by trying to parse
a single token that is not supposed to be recognized, it gives a segfault
instead of the proper error reporting behavior.

antlr3baserecognizer.c
displayRecognitionError:

ANTLR3_FPRINTF(stderr, ", at offset %d",
recognizer->state->exception->charPositionInLine);

I cannot find any documentation or examples about this.
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