Parses and evaluates boolean expressions. Usage:
BoolCompiler compiler = new BoolCompiler();
BoolProgram program = compiler.compile("a == b && a != c");
HashMap<String, Boolean> context = new HashMap<String, Boolean>();
context.put("a", true);
context.put("b", true);
context.put("c", false);
boolean result = program.eval(context);
System.out.println("result = "+result);
Features
- Parses C-like boolean expressions
- Expressions can contain variables
- Variables can be assigned and changed
- Evaluates expressions at a decent pace
- Can print the AST for debugging purposes
- Simple example of a recursive descent parser
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