0.20.0

Breaking

• replace print with display (more like scheme)
• replace lips.Symbol with LSymbol
• replace delay with wait (to allow using scheme delay/force)
• change timer function to just setTimeout with expression (old timer is now wait)

Features

• improve --> macro to handle numbers and strings and symbols (quoted or not)
• new function quoted-symbol?
• allow to use else in cond (same as true - similar to scheme)
• new macro: promise
• experimental parent.frame (inspired by R)
• add arguments.callee to lambdas

Bug fixes

• fix for-each with function that use this (like print)
• fix pretty print of lisp code
• fix formatting/indent of list of full S-Expressions

0.15.4

Bug fixes

• fix formatter when there is newline at the newline of the code
• fix duplicated copyright notes and missing Facebook note in output from rollup and babel

0.15.3

Bug fixes

• fix regenerator from babel in dist files

0.15.2

Bug fixes

• fix ignore macro
• fix load function in node
• fix Pair::append and append functions with non pair
• throw exception when more unquote then quasiquotes
• fix double unquote symbol
• throw error when unquote-splice on atom in the middle of the list
• don't create cycles in unquote-splicing
• fix cloning cycles

0.15.1

Bug fixes

• fix load function outside of Node
• return undefined from load function
• fix formatting of lambda expressions
• fix symbol->string function when called with gensym symbols
• improve --> and .. macros
• quote define-macro arguments so they don't evaluated if inside expression

0.15.0

Features

• new macro ..
• formatter rules for example cond macro
• tree->array function
• __code__ inside Macro
• define-formatter-rule macro for breaking S-Expressions in Formatter

Bug fixes

• fix lips.Formatter pattern matching
• better toString and string functions (keep class names for internal objects in minified js file)
• fix __code__ on lambda expressions (that also includes (define (name . arg))
• evaluate of symbols and promises returned from macros

0.14.0

Features

• add unset!, add-special! and remove-special! functions
• add define-symbol-macro meta macro that create parser macros (parser transformer symbol)
• rewrite help as macro so it works with parser macros
• require function for Node.js + load work in Node using fs.readFile
• stack trace in exception in lips binary
• parser accept strings as argument (no need to call tokenizer - but it also accept array of tokens)
• modules mechanism as macros
• pattern matching as macro
• macro? function
• cond macro

Bug fixes

• fix white space in docs for macros
• fix two cases in parser: `(,(list 1 2)) and `(+ ,,(list 'foo)) #12
• fix quaisquote macro (eval of single unquote in double quasiquote) #14
• add scope to exec in load function
• fix formatting of multi line strings
• fix object? when called with nil and number
• fix macroexpand macro

0.12.0

Features

• new macro begin* that run their arguments in parallel if they async
• add typecheck to rest of the functions
• new real? and pluck functions
• stack trace for exceptions

Bug fixes

• fix find and filter to check if function from argument return nil
• fix accessing FileReader object (try to copy read only prototype)
• fix parser error when parsing symbol macros #10
• fix undefined values in macro with missing arguments #11
• fix macroexpand #9
• fix line breaking in S-Expression Formatter

0.11.2

Breaking

• remove nop (you can use (begin undefined))

Bug fixes

• fix unquote-splicing on nil (e.g. processing of `(list ,@nil))
• cdr and car should return nil on empty list
• typecheck and process nil in c[ad]+r functions

0.11.1

Bug fixes

• fix parsing special forms as literal symbols #7
• fix unquote-splicing of empty list (e.g. processing of `(list ,@(list)))