Changelog

version development

• Lexer rule BeginWhitespace now matches non-empty string. PR 440 by @yunhailuo

• Runtime section no longer accepts arbitrary keys. Added new hints section for arbitrary runtime hints. PR 315 by @patmagee

• Removes string interpolator options. PR 229 and PR 368 by @EvanTheB and @illusional.

• Object has been removed from WDL. struct can be used to achieve the same type of functionality in a more explicit way. PR 283 by @patmagee.

• Added a new Directory type to make it easier when working with inputs that consist of multiple files. PR 241 by @cjllanwarne.

version 1.1.0

• Added Errata.

• Clarified that the sub function requires a POSIX Extended Regular Expression (ERE). PR 243 by @rhpvorderman

• Added syntax for struct literals. PR 297 by @patmagee

• Added engine functions for min and max. PR 304 by @pshapiro

• Added section on file outputs including optional outputs. PR 310 by @jtratner

• Added reserved keys, explicit formats, and default values for runtime attributes and hints. PR 315 by @patmagee

• Namespacing has been clarified. PR 340 by @DavyCats

• Abbreviated syntax for call inputs bound to workflow-scoped values by name: {input: x, y=b, z} is shorthand for {input: x=x, y=b, z=z} PR 365 by @mlin

• Write a specification for unsatisfied task inputs and nested optional inputs. PR 359 by @rhpvorderman

• Adds an engine function for joining arrays of strings. PR 229 and PR 368 by @EvanTheB and @illusional.

• Added an engine function for adding a suffix to an array of primitives as well as well as quote and squote engine functions. PR 362 @patmagee

• Added a required input and output format for workflow engines. PR 357

• The input specification has been clarified. PR 314 by @geoffjentry.

• Added a list of keywords that can not be used as identifiers. PR 307 by @mlin.

• Empty call blocks have been clarified. PR 302 by @aednichols.

• Optional and non-empty type constraints have been clarified. PR 290 by @mlin.

• The way comments work has been clarified. PR 277 by @patmagee.

• Implement string escapes in the Hermes grammar. PR 272 by @cjllanwarne.

• Added None for explicitly stating that an optional variable is not defined. PR 263 by @rhpvorderman.

• Backported to 1.0: Fix a bug in the grammar regarding unescaped strings. PR 253 and PR 255 by @aednichols.

• WDL Files should be encoded in UTF-8 now. String definitions have been clarfied. PR 247 by @EvanTheB.

• The version statement can now be the first non-comment statement. So it can be stated below a license header for example. PR 245 by @ffinfo.

• Added a keys function to get an array of keys from a map. PR 244 by @ffinfo.

• Several bugs in the grammar have been fixed. PR 238 and PR 240 by @cjllanwarne.

• Type conversions and meanings have been clarified. PR 235 by @EvanTheB.

• Backported to 1.0: Imports are now relative to their current location. PR 220 by @geoffjentry.

• Added conversion functions as_pairs and as_map to convert between Array[Pair[X,Y]] and Map[X,Y]. PR 219 by @DavyCats.

• Add an after keyword to run a task after other tasks. PR 162 by @cjllanwarne.

version 1.0.0

• Rename lexer to WdlV1Lexer
• Rename parser to WdlV1Parser
• Rename WdlComments channel to COMMENTS
• Remove SkipChannel
• Rename COMMENT -> LINE_COMMENT, emit comments to COMMENTS channel
• Add Meta mode for parsing meta sections
• Parse whitespace between command and opening {/<<< within Command mode, so that it is emitted to the HIDDEN channel
• Ignore trailing commas
• Formatting -
  • use two spaces always for indentation
  • always wrap statements (i.e. always put opening ':' and closing ';' on newlines)
  • always use PascalCase for tokens within lexer modes

draft-2

• Added ANTLR4 grammar