epicus-doomicus-metallicus

epicus-doomicus-metallicus is a very basic scheme interpreter written in Scala. It is based on the tutorial series scheme-from-scratch. To build epicus-doomicus-metallicus, you'll need sbt.

Usage

Download the latest distribution jar and type:

java -jar latest_distribution.jar

You can also pass scheme source files as input to the interpreter as follows:

java -jar latest_distribution.jar file1.scm file2.scm ...

changes

• v0.21 Added the current-time-millis primitive.

• v0.20 Added I/O primitives

  • load
  • open-input-port
  • close-input-port
  • input-port?
  • eof-object?
  • read
  • read-char
  • peek-char
  • open-output-port
  • close-output-port
  • write-char
  • write
  • error

• v0.19 Exposed the interaction environment. Creation of new environment is allowed. Support for the eval form

• v0.18 Support for the apply form

• v0.17 Added the and and or forms

• v0.16 Added the let form

• v0.15 Support for the cond form

• v0.14 Added support for the begin form

• v0.13 Added support for lambda functions

• v0.12 Added more primitive functions

  • null?
  • boolean?
  • symbol?
  • integer?
  • char?
  • string?
  • pair?
  • procedure?
  • number->string
  • string->number
  • symbol->string
  • string->symbol
  • char->integer
  • integer->char
  • +
  • -
  • *
  • quotient
  • remainder
  • =
  • <
  • >
  • cons
  • car
  • cdr
  • set-car!
  • set-cdr!
  • list
  • eq?

• v0.11 Added the + primitive procedure

• v0.10 Added the if form

• v0.9 Added environment, variables, definitions and assignments

• v0.8 Added quoted expressions

• v0.7 Symbols

• v0.6 Support for lists and pairs

• v0.5 Implemented the empty list ()

• v0.4 Support for characters and strings

• v0.2 Support for the boolean values #t and #f

• v0.1 The reader can handle integers