IMP

the i in for i object scope: a field in an object whose context we are in

lexical scope: a variable that was declared in this scope

Blocks

A block is syntactically any region enclosed between { and }. Every block pushes its own frame on the stack

Block	Frame	Return
If::ifTrue/ifFalse	Empty	Can if parent can
While/Repeat::block	Empty	Can if parent can
For::block	i	Can if parent can
FunctionDefinition::body	Arguments	Must

They all push their own frame

They all can have

TODO

• break/continue
• switch/case, when
• Exception handling: try, except, catch, finally
• Pythonic Elses: for/else, try/else