Package bcg

Interface Summary

Parser.yyInput	must be implemented by a scanner object to supply input to the parser.
Parser.yyTree.Visit	what each tree class will do.
Parser.yyTree.Visitor	what a visitor must do: receive each tree class separately.

Class Summary

Compiler	Compiles an AST to Java bytecode.
Evaluator	Evaluates an AST via visitation.
FrontEnd	Front-end to the BCG language
Parser
Parser.yyLex
Parser.yyTree	tree factory
Parser.yyTree.Add	tree node class.
Parser.yyTree.And	tree node class.
Parser.yyTree.Arg	tree node class.
Parser.yyTree.Arr	tree node class.
Parser.yyTree.Assign	tree node class.
Parser.yyTree.Blck	tree node class.
Parser.yyTree.Bool	tree node class.
Parser.yyTree.Decl	tree node class.
Parser.yyTree.DeclS	tree node class.
Parser.yyTree.DeclT	tree node class.
Parser.yyTree.Div	tree node class.
Parser.yyTree.Elem	tree node class.
Parser.yyTree.Equal	tree node class.
Parser.yyTree.Exp	tree node class.
Parser.yyTree.Func	tree node class.
Parser.yyTree.GreatEq	tree node class.
Parser.yyTree.Greater	tree node class.
Parser.yyTree.IfBlock	tree node class.
Parser.yyTree.Length	tree node class.
Parser.yyTree.Less	tree node class.
Parser.yyTree.LessEq	tree node class.
Parser.yyTree.Lit	tree node class.
Parser.yyTree.Mod	tree node class.
Parser.yyTree.Mul	tree node class.
Parser.yyTree.Neg	tree node class.
Parser.yyTree.Not	tree node class.
Parser.yyTree.NotEq	tree node class.
Parser.yyTree.Or	tree node class.
Parser.yyTree.Prog	tree node class.
Parser.yyTree.SemiBlck	tree node class.
Parser.yyTree.SimpleIf	tree node class.
Parser.yyTree.SimpleUnless	tree node class.
Parser.yyTree.Str	tree node class.
Parser.yyTree.Sub	tree node class.
Parser.yyTree.SubCall	tree node class.
Parser.yyTree.Subrtn	tree node class.
Parser.yyTree.UnlessBlock	tree node class.
Parser.yyTree.UntilBlock	tree node class.
Parser.yyTree.Var	tree node class.
Parser.yyTree.WhileBlock	tree node class.

Exception Summary

Parser.yyException

thrown for irrecoverable syntax errors and stack overflow.