1.0.0-beta.11

Breaking

• remove repr of HTMLElement (it's now default instance of a class)
• regular expressions are now prefixed with hash like in Gauche e.g. #/foo/

Features

• add support for quasiquote on objects and vectors
• interning symbols mechanism #106
• new macro quoted-promise, syntax '> #54
• new function await that return original promise from QuotedPromise
• bytevector functions (R7RS)
• improve detecting and repr of iterators
• add eof variable to global env
• add apropos function
• new incremental Lexer that allow to modify parser while it's running
• add SRFI-10 sharp-comma
• new syntax try..catch..finally
• new parallel list* macro
• new scheme-report-environment function (R5RS)
• update ** to work on negative numbers

Bugfix

• fix resolving promises on vectors and objects
• fix context in methods of plain objects #103
• fix equal? on typed arrays
• fix detecting user repr (when object is subclass)
• fix calling port methods (e.g. calling get-output-string function)
• fix prism highlighting of multiple regular expression
• fix parsing chars for Unicode outside of BMP
• fix when try..catch is promise that rejects and catch throws
• fix resolving promises when apply function they are not executed in sequentially
• fix eval builtin function to evaluate everything

1.0.0-beta.10

Breaking

• change behavior of and and or to work like if (#f only falsy value)
• vectors and object literals are immutable (to prevent weird sharing data bugs)

Features

• add promise? function
• improve append/append! to work according to spec and accept multiple arguments
• set global and window to undefined when not in Node or Window respectively
• add self as global context for Node, browser and worker
• add repr of global object
• add repr of classes
• add support for creating anonymous classes
• add do-iterator macro
• add repr of Map and Set
• add digit-value function
• add #d prefix for decimal numbers
• add include macro
• add --debug option to executable (that load src file instead of dist)
• add cond-expand syntax macro
• add new native-symbol? function
• add warning about using ’ quote, with code example to execute to enable it
• add __dirname and __filename variables to Node
• add support for variables in method properties of classes (like in JS)

Bugfix

• fix load file that have shebang
• fix repr of eof object
• fix read from input-string-port #85
• fix running web worker from file generated by babel (dist)
• fix repr of lambda function (no :lambda as name)
• fix parse complex big num (e.g.: 100e+100i)
• fix repr of scheme functions if Function.prototype.toString was modified
• fix repr of iterators
• fix access symbol properties of binded functions (LIPS internals)
• fix duplicated line in executable #89
• fix char-numeric? and char-alphabetic? to handle all unicode
• fix characters with more then one code point
• fix repr of functions that are created by self.eval
• fix formatting strings in REPL
• fix set! nil to object field
• fix lambda in define-class that have improper list as arguments
• throw exception when applying function to improper list
• fix join with nil
• fix accessing JavaScript objects in syntax-rules macros
• fix write of strings with newline
• fix indent of when and unless
• fix usage of Drag&Drop with bookmarklet on pdf files
• fix accessing methods on pattern variables in syntax macros #83
• fix quasiquote to work like quote if not unquotes (R7RS spec)

1.0.0-beta.9

Breaking

• throw exception when calling (-)
• if it now see #f as the only falsy value, to match Scheme spec

Features

• add let-values, let*-values and define-values syntax macros
• add exact-integer? and vector-append functions
• add stderr port and current-error-port function
• add environment as second argument to load (according to R7RS spec)

Bugfix

• fix empty vector literal
• fix edge case in nested syntax-rules when variable in parent got expanded into identifier
• fix nesting unquote in quasiquote #53
• fix order of evaluation in ,,@x
• fix name collision while catching DOM exceptions #84
• fix integer? and other number type checks
• fix warnings about require while loading from Webpack
• fix unquote-splice multiple lists
• fix syntax highlighting (prism scheme syntax patching)
• fix load inside let that have global variable defined that was not undefined
• fix creating LIPS classes from SXML

1.0.0-beta.8

Breaking

• internal properties like name are now __name__

Features

• add raise (alias for throw) and with-exception-handler (that wraps throw..catch)

Bugfix

• fix truncate core function
• fix splice nil in quasiquote inside list #68
• fix do macro inside syntax-rules #81
• fix string-copy and string-set!
• fix error function to work like R7RS spec
• fix edge case in syntax-rules found when executing SRFI-26 cut macro
• fix unboxing of LIPS values when calling native JavaScript functions
• fix unboxing of callback functions #76

1.0.0-beta.7

Breaking

• remove second argument from filter callback
• change mapping & from make-object to object
• parser is now async

Features

• new random procedure
• string repr of all procedures and macros in REPL now have name

Bugfix

• fix write vs display of character atoms
• fix mixed case of named characters (e.g.: #\Space)
• fix do macro scope according to R7RS
• fix vector literals inside quoted list #79

1.0.0-beta.6

Breaking

• real? now return true on integers (bigInts)
• set! throw error when variable not defined

Features

• new string->vector, vector->string, vector-map and string-map (R7RS)
• new dynamic-wind function (R7RS)
• make equal? compare plain objects

Bugfix

• fix repr of HTMLElement
• fix creating LCharacter from scheme string
• fix do macro with let like scope for next values
• fix line breaking in formatter
• fix parsing options in executable (fix for alias lips="lips -q")
• throw exception when evaluating (if)
• fix object? and plain-object?
• throw exception when invoking syntax that shadow literal identifier
• fix parsing cons dot in (() . foo)

1.0.0-beta.5

Features

• new function make-list
• (/ 0.0 0.0) return NaN
• bookmarklet always fetch latest version
• case-lambda, unless and when hygienic macros (code from R7RS)
• new boolean=?, port? and square functions (R7RS)
• new inexact and exact aliases (R7RS)
• rational numerator and denominator function (R5RS)
• complex imag-part, real-part, make-polar, angle and magnitude functions (R5RS)
• new function: radians->degree and degree->radians

Bugfix

• allow to use undefined in let
• fix function call that return NaN
• fix pretty print of syntax-rules

1.0.0-beta.4

Breaking

• add/remove-specials and add/remove-repr are now set/unset
• rename wrong gdc to correct gcd

Features

• doc strings on variables
• persistent history in executable REPL
• repr of promises (from delay function)
• allow set! with doted JS notation
• new functions gensym? and prototype?

Bugfix

• fix Environment::has (ref) on variable that are undefined
• fix macroexpand with pprint on syntax macros
• fix formatter breaking rules definition in LIPS + (+ fix cond)
• fix rational? on integers (bigint)
• fix parsing quoted atoms (e.g. '#f, '#\x or '#xA)
• fix parsing escape slash inside strings
• don't throw exception on parse error in string->number (return false)
• fix silent accepting two big code point #\xFFFFFF
• fix custom repr of instances created by define-class
• fix parsing R7RS hex literals in strings
• fix syntax-rules with (a b ...) that match single item
• fix swallowed undefined from (cons 1 undefined)
• fix identifiers in syntax-rules
• fix byte vectors
• make print and pprint always call newline
• fix escape ellipsis from R7RS
• fix unboxing values (seen with stack overflow on dir date object)

1.0.0-beta.1

Breaking

• rename ceil to ceiling (like in R5RS spec)
• break let* to work the same as in scheme (it was working like letrec)
• if no longer require boolean as cond
• change how arrays are presented, they are look like scheme vector #(...)
• rename string to repr
• new API lips.Intepreter - for using interpreter that have different stdout/stdin
• balanced_parenthesis now throw exception on broken code
• remove global env from public API (you can still access it using env.parent)
• remove -> function (it will collide with SRFI 197 that may be implemented in the future)
• every have now same signature as some which is (fn list)

Features

• start implementing R5RS spec
• streams example
• <, >, ==, <= and >= now have variable number of arguments
• new throw function that throw JS exception
• expose typecheck function that test type of the arguments and throw exception if don't match
• new gdc and lcm functions
• new string->number and number->string functions
• new list? function
• new vector-ref (same as (. v n) but with typecheck)
• new +inf.0 and -inf.0
• new max, min and truncate
• restore print it's now alias for display
• you can now access nested objects as symbols (e.g (lips.LNumber 10))
• new Number types (complex and rational)
• input/output ports + string ports
• add letrec macro
• inexact->exact and rationalize (thanks to Kawa/C-Gambit projects)
• parsing hex, octal, binary, complex, rational numbers
• characters literals #\A and character and string functions
• display #t and #f for boolean values in terminal
• new interaction-environment function + load use that env by default
• improve executable
• user can define string representation (with object that have toString lambda)
• Hygienic macros: syntax-rules transformer macros
• improve balancing parenthesis
• expose balanced method in public API (preferred name)
• optional brackets
• interator? function and detection if iterators from repr and type #51
• add-repr! function to add string representations to objects
• new string=?, sort, in, list-tail and bound? functions
• add new exit function into executable interpreter
• -e/eval option (help and docs will show new options, instead of -c/code but old still works)
• case macro
• relative load inside load + auto .scm suffix
• new zip, n-ary, binary, unary, take functions
• new get-script function

Bug fixes

• fix list function #27
• fix (begin (gensym)) macro that evaluate to symbol
• update defstruct to export only needed functions (local functions are namespaced)
• prevent of evaluation of (define (x . a) a)) (x 1 2 3) (list in scheme)
• fix LNumber::String with radix
• fix formatting of float numbers
• fix try..catch
• fix display of function/macro docs (remove white space in parser)
• fix loading modules with require
• fix macro expand when expansion return list with macro that is data
• fix lips executable in GNU Emacs run-scheme (comint mode)
• unbox values in new
• fix named let with nil #46
• use parser code in string->number
• fix repr of native object instances (e.g.: Uint8Array)
• fix display/write without newline in both REPLs
• fix evaluating single false value
• fix dir to not include values of Object.prototype

0.20.1

Bug fixes

• fix formatter indent