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Output stream wrapper; possibly useful for debugging code with print statements.
When write() is called, it makes a note of the calling frame. The indentation level is equal to the number of frames in the call stack which have been previously noted. See example.
A lightweight and powerful way to evaluate expressions embedded in strings during interpolation.
Parse the online documentation for compiler.ast and generate code for a skeletal ASTVisitor class that includes stubs for all of the various visitNODE functions you might need in a visitor, along with comments in each function that list that node...
ASTVisitor with stub functions for all of the ast.Node types list in the compiler.ast documentation, with comments describing Node attributes.