Ejscript Change Log

This change log chronicles the features and fixes in each Ejscript release.

Ejscript 1.0.0 Beta Release

This is a beta release for Ejscript 1.0. This includes a full JavaScript language, virtual machine, optional stand-alone compiler, disassembler, documentation generator and embeddable web server. Ejscript extends the basic JavaScript language and includes a comprehensive MVC web framework with suport for Ajax controls, jQuery, SQL databases and database migrations.

Changes in 1.0.0

Fixes

• Number.power
• TextStream.read when last line has no line terminator
• Module loading when module filenames have a "."
• Http with credentials
• Web page reload when using System.cmd for command execution
• Optimize make install and make package when used with svn
• Path.find was not handling nested directories correctly
• XML node update issues
• Number.toString() for typed variable declarations

Changes in 1.0.0 Beta 3

Fixes

• Dependency checking when building
• Iteration in for statements inside Constructors
• Strict equality testing with null and undefined

Changes in 1.0.0 Beta 2

Major New Features

• Versioned modules. Added versions to module and require language directives. Loader will load required versions and intelligently load the most recent qualifying module.
• Support side-by-side loading of multiple versions of the same module.
• Support Web Workers. The Worker class can be used to create new interpreter instances in dedicated worker threads..
• New unit test suite manager (utest). Expanded unit tests.

Minor Features

• Module files have checksums. Loading stale modules will thow an error
• Optimize code generation
• Added eval() function
• Auto rebuild application if a new Ejscript version is installed
• Auto rebuild App.mod if App.src changes

Fixes

• Fix library and module search paths and module resolution
• Improved ECMA standard compliance
• Error.stack property
• Hybrid type slot binding
• configure --disable-all
• JSON serialization and deserialization issues
• Http.upload with non-simple paths
• Remove namespace decorations from JSON strings
• Building with ./configure --static
• Path + String operations. Now casts Path to String
• Building ./configure --disable-db
• Compiling with ejsweb compile all. Was missing views. Thanks Damien.
• Optimize memory footprint.
• Partial support execution from ROM (not all features operational).
• Fix some parser asserts

API Changes

• Added Path.find
• Modified Path.remove to remove empty directories
• Removed Path.removeDir to remove directories
• Added Path.removeAll to remove directories with contents
• Added find() in ejs.sys
• Change property Record.numRows to method Record.getNumRows()
• Change property Record.columnNames to method Record.getColumnNames()
• Change property Record.db to method Record.getDb()
• Change property Record.keyName to method Record.getKeyName()
• Change property Record.tableName to method Record.getTableName()

Changes in 1.0.0 Beta 1

Major New Features

• File Upload
• Faster Generational Garbage Collector
• Optimized memory footprint
• Multi-threaded support. Multiple interpreters can execute in their own thread.
• Shared master interpreter across multiples thread.
• Enhanced Http class supporting forms, file upload, HTTP chunking and SSL.
• Socket class.
• Cygwin platform support.

Minor Features

• Enhanced namespace language support
• Fully relative URLs to support running behind a reverse proxy
• Ability to import the Ejscript runtime and snapshot for each application
• Webserver updates
• Add EjsPath for setting module search path in Appweb.conf
• Add --search to ejsweb for setting module search path
• Added memory redline callback handling and Memory exceptions
• Optimized memory usage, reduced footprint
• Enhanced module search path controls.
• New unit test framework "utest".

Fixes

• SSL protocol support for the Http class
• Support for unchecked checkboxes
• Module search path handling
• Nested try/catch inside functions
• Use of iterations inside finally blocks
• TextStream dropping bytes
• File upload
• Chunked transfer encoding for input and output
• FileUploadSize
• Http.secure property
• GC issue for collecting frames
• Ejsweb error reporting
• Issue with using default args before a rest arg
• Call expressions split over multiple lines
• JSON encoding
• SQL quoting
• Compiler warning fixes
• Fixed regular expression doc
• Fixed readLines on windows and other platforms
• Fixed TextStream reader
• Fixed File.size for open files

API Changes

• Modified Native APIs
• mprStart. Removed flags parameter
• Http and Socket classes have new methods and signatures
• Record class supports hasOne, hasMany. The find and findAll methods have new and better defined options
• Fixed Stream.read() API definition. Offsets are now by default 0.

Changes in 0.9.9

Major Features

• VxWorks support
• Windows CE support
• Cross compilation support
• Enhanced File I/O and Path support
• Add support for ECMA-262 prototype based inheritance
• Improve compliance with ECMA libraries
• Enhance web MVC framework. Database ORM now supports associations.
• Enhance web dynamic table control. Now supports column sorting and dynamic data updates.

Minor Features

• Added ejs -f -s switches for compatibility with SpiderMonkey shell
• Added App.outputStream, errorStream, inputStream
• Added input(), output() global methods
• Enhanced print() to serialize objects
• Added stable, dev and default branches to Mercurial repository
• Windows CE port
• Support for MAC 10.4 and MAC PPC targets
• Support for OpenWrt platform
• Simplified build output with make TRACE=1 verbose option
• Added literal getters and setters
• Optimize blocks by adding hoisting of block scope objects
• Improved web framework app style sheet theme support
• Added generation of src/App.es for web frameworks
• Enhanced jQuery support for Ajax dynamic table updating
• Support degraded opertion if client's browser disables client-side JavaScript

Fixes

• Fixed "while(assignmentExpression)"
• Fixed toString and toJSON overriding
• Fixed several interpreter VM issues
• Fixed stack pop for typeof op code
• Fixed slot generation when using configure --shared
• Fixed select() event handling on Vxworks
• Fixed searching for ejs.mod in release tree with product installed
• Fixed several byte ordering issues in module files
• Fixed module search when running inside the VS debugger
• Fixed support for Debian Lenny
• Fixed Path comparison operations
• Fixed shared builds not being able to build samples or run ejsweb in some cases
• Fixed mixed type operations with strings and numerics
• Fixed web framework belongsTo, hasMany and hasOne relationships
• Fixed VM byte code comparison operations with null and casting rules
• Fixed VM property lookup to unbound private members
• Fixed some compiler parsing and code analysis issues
• Fixed return/break inside catch blocks
• Fixed closure creation
• Fixed a garbage collection bug
• Fixed HTTP form encoding. Support flattening nested objects
• Fixed JSON encoding and parsing. Add quotes in all cases
• Fixed compiler code generated for block-less if/then clauses. Was not clearing eval stack correctly
• Fixed cast of String to Boolean for empty strings
• Fixed XMLHttp open method setting uri
• Fixed namespace qualified property access
• Fixed property name clashes for views and database records with user defined properties
• Fixed Http.response to be able to be called multiple times
• Fixed checkboxes when unchecked. Was not defining params value
• Fixed XML parsing for CDATA
• Fixed JSON some parsing cases
• Fixed HTTP client when receiving HTTP 100 intermediate responses

API Changes

• App.exe renamed to App.exeDir
• print() serializes objects instead of toString
• Major refactor for: File, Path and FileSystem.
• Native C API refactoring for: MprFile, MprPath, MprFileSystem.
• • Modified Native APIs
  • mprErrorPrintf => mprPrintfError
  • mprStaticErrorPrintf => mprStaticPrintfError
  • mprAllocStrcat => mprStrcat. Removed delimiter.
  • mprReallocStrcat now returns string
  • mprAllocSprintf => mprAsprintf and now returns string
  • mprAllocVsprintf => mprVasprintf and now returns string
  • mprAllocStrcpy => removed
  • mprSprintf now returns string and not length
  • mprVsprintf now returns string and not length
  • mprCreateStaticSpinLock => mprInitSpinLock
  • mprAllocObject => mprAllocWithDestructor
  • mprAllocObjectZeroed => mprAllocWithDestructorZeroed
  • mprAllocMemcpy removed
  • mprEscapeCmd, mprUrlEncode, mprUrlDecode, mprEscapeHtml all buffers and return strings
  • mprGetAppPath, mprGetAppDir return string
  • Most of mprFile APIs are renamed to mprPath
  • MprFileSystem, MprFile, MprFileInfo refactored.
  • MprFileInfo => MprPath
  • Mpr.fileService => Mpr.fileSystem
  • mprAccess => mprPathExists
  • mprDelete and mprDeleteDir => mprDeletePath
  • mprGetBaseName => mprGetPathBase
  • mprGetDirName => mprGetPathDir
  • mprGetExtension => mprGetPathExtension
  • mprGetParentDir => mprGetPathParent
  • mprGetDirList => mprGetPathFiles
  • mprGetFileInfo => mprGetPathInfo
  • mprGetAbsFile => mprGetAbsPath
  • mprGetRelFile => mprGetRelPath
  • mprCleanFilename => mprNormalizePath
  • mprMakeTempFileName => mprGetTempPath
  • mprGetFileDelimiter => mprGetPathSeparator

Changes in 0.9.8

Major Features

Minor Features

• Added Cross compilation byte ordering control. New ejsc switches --cross and --endian.
• Fix source code tabbing.
• Added error code to Error class.
• Documentation updates.

Fixes

• Fixed ejsweb migrations.
• Fixed ejsweb to be smarter when creating the web server command string. Now works for installed builds and from a debug tree..
• Fixed poor error message from ejsweb when if fails to run the web server
• Fixed 64 bit MD5 encodings.
• Fixed rendering empty ejs web pages.
• Fixed date unit tests.
• Fixed source distributions for windows. Was missing some VC project files and buildConfig.h.
• Fixed crash when loading custom native modules into the web framework
• Made ejsPath per interpreter
• Modified ejsCreate() API to take a search path argument
• Fixed parsing paths with ".."

Changes in 0.9.7

Major Features

• Added CGI gateway program (ejscgi).
• Added Appweb web server for local and proxied hosting.
• Added Apache reverse proxy support.
• Added Appweb in-memory module.
• Added model validations.
• Added database migrations.
• Added controller life-cycle filter hooks.
• Enhanced ejsweb generator. Added migration, model and scaffold generation. Also migrate application and running in-built web server.
• Added native JSON support.
• Added flash[] inter-action storage.
• Added jQuery support for Ajax and effects.
• Enhanced user controls.
• Added async form and async link support.

Minor Features

• Simplified building for cross-compilation.
• Documentation updates.
• Uninstall on MAC OS X.
• Improved ECMA-262 compliance: Added Function.apply() and Function.call().
• More documentation for the Web Framework.
• Added input view control for smart rendering based on data type.
• Added improved style sheets and themes for use by framework generator.
• Enhanced configure program to intelligently search for dependent components and packages.
• Added block-less function declarations. Can define functions without {} and return. The body is just a simple expression.
• Optimized ejsweb command to directly run pre-compiled byte code.

Fixes

• Renamed compiler from ec to ejsc.
• Renamed web generator from egen to ejsweb.
• Installation and removal fixes.
• Fixed cross compilation build system.
• Fixed setting of LD_LIBRARY_PATH when building cross.
• Fixed Mips compilation switches.
• Fixed System.run. Now uses inbuilt MprCmd instead of popen.
• Fixed native JSON encoding of null, undefined and \\.
• Several VM evaluation fixes.
• Fixed session encoding.
• Fixed cross-request preservation of flash[].
• Fixed textarea control.
• Fixed SQLite datatype mapping.
• Fixed serialize/deserialize. Fixed backquoting and embedded quotes.
• Moved modules to /usr/lib/ejs/modules and binaries to /usr/local/bin.
• Fixed compiler bug not warning when accessing instance properties from static code.
• Fixed property lookup to use all open namespaces in all blocks.

Changes in 0.9.6

Major Features

• Improved ECMA-262 compatibility.
• Added language compliance controls. Added --lang switches to the configure, ejs, and ec programs. Added "use lang" pragma directive for scripts.
• Extensive updates to the documentation. Especially in language and web framework guides.

Minor Features

• Added typeof operator.
• Added Number and Boolean function constructors.
• Added typeOf() global function for easily determing the type of an object.
• Made ejs support -f switch for compatibility with Mozilla test suites.

Fixes

• Fixed Reflect().typeName not returning correct results.
• Fixed String(number) constructor pattern. Updated doc.
• Fixed parser with typeof operator as the first input token.
• Cleanup error reporting in compiler.
• Fixed prefix and postfix operators on literals. Now warns appropriately.
• Fixed the "in" operator when searching in arrays or instance objects.

Changes in 0.9.5

Major Features

• Garbage collector changed to a non-compacting, generational mark and sweep with pooled object allocations.
• New hierarchical virtual memory allocator offering arena and slab memory allocation services.
• VM Byte codes optimized for direct access and early binding.
• Object memory layout optimized and compacted.
• Class library extended with enhancements for Date, Regular expressions and other types.
• SQLite API.
• Ejscript web framework for "rails" style server side JavaScripting.
• Simple reflection API.
• More unit tests.
• Interfaces including interfaces with bodies.
• Streams classes including TextStream, BinaryStream.
• Enhanced Http. Now supports SSL, authentication, chunked transfers and post data.

Minor Features

• Enhanced and debugged ByteArray class.
• Master interpreter and clone interpreter support.
• XMLHttp class.
• More documentation.

Fixes

• Improve error reporting for ec.
• Fixes for stack trace reporting on exceptions.
• Fixed garbage collection bug for array elements in some cases.
• Fixed some compiler crashes on illegal programs.
• Fixed some code generation issues.

Changes in 0.9.3

Major Features

• Major performance work for memory and CPU utilization.
• Extended Date, Array and String classes.
• Improved documentation.
• Extended suite of unit tests including load, benchmark and valgrind tests.

Minor Features

• Added open, close, read, write file I/O convenience routines. These wrap the more comprehensive File class capabilities.
• Completed the installation and removal packaging for major operating systems.

Fixes

• Continued push to drive quality higher using a continuous integration build farm.

Changes in 0.9.2

Major Features

• Added web ESP (rails-like) framework.
• Added SQLite support.
• Added RegExp regular expression class.
• Added Http client class.
• Added the with statement.
• Lots of bug fixes.

Minor Features

• Updated MPR portable runtime layer.

Fixes

• Too many to count.

Changes in 0.9.1

Major Features

• First-cut product documentation.
• Object, Array, String methods.
• ByteArray.
• ejs.io namespace including: File, BinaryStream, TextStream, IStream.
• Updated ejsmod to support namespaces as packages.
• Extended unit test suite.
• Lots of bug fixes.

Minor Features

• Increased unit test coverage.

Fixes

• Too many to count.

Changes in 0.9.0

Major Features

• Supporting catch (var: type).
• Supporting cast, to, instanceof, in with binary expressions.
• Namespaces including "use namespace" and "use default namespaces".
• Packages are removed in deference to namespaces.
• Added module blocks and "use module".
• Added iterator support for for/in, for each.
• New ejsmod program replaces old bun program. Handles listing, slot and doc generation.
• Ejsmod generates documentation based on javadoc style comments.
• Enhanced assembler listings.
• Improved code generation.
• Completed support for block scope.
• Closures and bound method capture.
• System library documentation.
• Object, Array and String library methods implemented.
• Support class settings.
• E4X support.
• ECMA compliance mode.
• Implemented type checking on function calls in the VM relieving native types of the burden.
• Added parameter type checking and type coercion on function calls.
• Implemented rest args (...rest).

Minor Features

• Increased unit test coverage.
• Code cleanup and refactoring.