LispPad

LispPad is a simple, lightweight, integrated development environment for developing and running Scheme code. The language supported by LispPad is based on the R7RS standard for Scheme.

Features

• A fully integrated Scheme interpreter
• A console with a read-eval-print loop to interact with the interpreter
• A text editor for writing Scheme code, supporting syntax highlighting, smart indentation, parenthesis matching, page guides, etc.

New

• Complete refactoring of the default libraries to match the R7RS specification
• New libraries: (lispkit json), (lispkit wt-tree), (lispkit object), (lispkit stack), (lispkit queue), (lispkit logic)
• New SRFI libraries: SRFI 63, SRFI 64, SRFI 158
• Support for: features, cond-expand, define-values, syntax-error, scheme-report-environment and null-environment
• Support include and include-library-definitions in library definitions
• Added SRFI 112-style support for human-readable information about the hardware and operating system on which LispPad is running
• Simple API for HTTP GET requests
• Simple native API for date/time functions
• Bitwise operations for exact integers of arbitrary size
• Extension of hashtable API, bytevector API, and list API
• New lightweight type abstraction mechanism
• Support for call tracing as a simple debugging mechanism
• Name new session windows differently than new editor windows

Fixed

• Support tail patterns in syntax-rules and fix various syntax-rules-related bugs
• Fixed major bug in macro expansion logic
• Fixed major bug preventing internal definitions to work in many cases