Interpreter Class Reference

Class to parse and evaluate an expression (program) More...

#include <interpreter.hpp>

Public Member Functions
bool	parseStream (std::istream &expression) noexcept
Expression	evaluate ()

Detailed Description

Class to parse and evaluate an expression (program)

Interpreter has an Environment, which starts at a default. The parse method builds an internal AST. The eval method updates Environment and returns last result.

Member Function Documentation

evaluate()

Expression Interpreter::evaluate

(

)

Evaluate the Expression by walking the tree, returning the result.

Returns

the Expression resulting from the evaluation in the current environment

Exceptions

SemanticError

when a semantic error is encountered

parseStream()

bool Interpreter::parseStream ( std::istream &  expression )

noexcept

Parse into an internal Expression from a stream

Parameters

expression

the raw text stream repreenting the candidate expression

Returns

true on successful parsing

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The documentation for this class was generated from the following files:

• interpreter.hpp
• interpreter.cpp