Sei Lisa fb68273eed Turned everything upside down, and fixed a couple bugs. ...

Bugs fixed:
- %= and the new assignment operators were not emitting error on invalid types.
- List globals referenced in another global were duplicated entirely.
- Properly recognize -option in the command line.

Rest:
- Complete overhaul of the internal data structure.
  - Got rid of the symbol table plus mini-trees, and made everything one big tree plus an auxiliary symbol table.
  - No more special case hacks like using tuples instead of lists...
  - Got rid of the EXPR hack.
  - Dict-based, rather than list-based. Allows adding arbitrary data to any node or symbol entry.
- Added a few coverage tests for the new code.
- Return values can now be chained; the functions parameter requirement is gone. Still not fully convinced, though. My guess is that a parser object should be passed between functions instead. Will do for now.

2014-07-30 04:54:16 +02:00

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