Improve flatdata-generator speed ~12x by caching various computations, or making them lazy#265
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…making them lazy Signed-off-by: Christian Vetter <christian.vetter@here.com>
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Changes:
FlatdataGeneratorinstance and Jinja2Environmentso templates are compiled oncesymbols()computation infind()errors to__str__()(preserves diagnostics, avoids work when exceptions are caught internally)Node.pathandReference.nodeto avoid redundant tree walksResult generating C++ code for a 2.5k line schema: time 5.61s → 0.44s.