Nova Programming Language Compiler

Specification, compiler made in Java 1.8 and some other stuff. For Compilers classes.

Author: Barros Filho, Rubens. 17/09/2016

Overview

• NOVA is a general purpose programming language.

• Structured, imperative and strongly typed.

• Inspired by the C programming language.

• Each statement must end with a semicolon.

• To improve readability, setting functions is allowed.

Data types

• Identifier
  • Begins necessarily with an uppercase or lowercase.
  • Other characters can be letters, numbers or underscores.
  • Unlimited size.
  • The use of white spaces is prohibited.
• Comments
  • Line comment: Demarcated by "/*"
  • Block comment: Doesn't exist in NOVA programming language.
• Integer
• Floating Point
• Characters & Strings
• Boolean
• Unidimensional Vectors
• Void

Operators

• Arithmetical

  • "+"
  • "-"
  • "/"
  • "*"
  • "%"

• Relational

  • "=="
  • "!="
  • ">"
  • "<"
  • ">="
  • "<="

• Logical

  • "and"
  • "or"
  • "not"

Instructions

• Conditional

  • if:

  if (condition) { 
    /* Do something 
  }

  • if-else:

  if (condition) { 
  /* Do something 
  } else { 
  /* Do something else
  }

• Iterative

  • For loop:

  for (index, limit, step) { 
  /* Do something 
  }

  • While loop:

  while (condition) {
  /* Do something
  }

• Functions (Hint: NOVA does not support function overloading.)

  • Declaration:

    returnType functionName(type firstParameter, type secondParameter, ..., type nParameter) { 
      /* Do something
    }

    • Must always have return type, even if it is void.

Code examples

There are code examples in this repository.