AST with syntax error compiles without error

[Jesper Öqvist]

JastAdd2 2.1.13-1-g03435d1

This AST file should give a syntax error, but it does not:

A;
***;
***;

[Jesper Öqvist]

Improve grammar syntax error handling

Made the grammar parser match whole input. This makes sure syntax errors are reported instead of being silently ignored.

Improved grammar file syntax error messages. The syntax error messages for syntax errors in grammar files are now similar to those reported for aspect files.

fixes #231 (bitbucket)

→ <<cset 46774c7d0d17>>