Package bcg.ast

Interface Summary

Visitor

Interface for walking AST trees.

Class Summary

AbstractVisitor	Helper class to simplify writing AST visitors.
Assignment	Assign an expression to a variable
BinaryOperator	Represents all the binary mathmatical operators.
Block	A series of statements to execute sequentially.
Builder	Builds an AST from a parse tree.
BuiltIn	Call to a builtin such as print.
Chained	Chained comparisons.
ChainedString	Chained string comparisons.
Environment	A nested set of variables.
Expression	Base class for expressions.
FunctionCall
If	An if statement
Indexed
Literal	Represents a numerical literal
Literal.Array
Literal.Bool
Literal.Int
Literal.Str
Node	A node in an Abstract Syntax Tree for a bcg program.
Printer	Pretty-prints a parse tree.
Program	A full bcg program.
Statement	Base class for all top level statements.
Subroutine	A subroutine in a bcg program.
SubroutineCall
UnaryOperator	Represents all the unary mathmatical operators.
Variable	Represents a variable in the program.
While	Represents a while loop.

Enum Summary

BinaryOperator.BinOp
BuiltIn.BIn	Enum for the different builtins.
Type	The type of an expression.
UnaryOperator.UnOp

Exception Summary