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Changelog

0.2.6

Recognise lxe as a script extension

Interpreter 0.2.0

Add initial support for File.

Interpreter 0.3.0

Temporarily remove functions eof and seek. The fs-ext extension with a native library does not run in the latest VS Code

BREAKING CHANGE: If you used eof or seek, your code will not work any more. You have to remove calls to those functions.

Walker 0.1.1

Fix typings for findNodeAround and findNodeAroundWithAncestors.

0.2.5

Parser

  • Allow dereferencing this without the this keyword (chain the dot operators).
  • Correct typings for SliceExpression.
  • Nest the binary expressions according to the binary operator precedence.

Walker 0.1.0

If the recursive walker fails, include the latest visited node in the error.

Interpreter 0.1.0

  • Ignore the imaginary operator ^^, recognise the existing one ||.
  • Fix built-in object method lookup.
  • Set default values to declared variables.
  • Introduce built-in objects Assoc, List and Regex.
  • Add runtime type checking to the built-in functions and object methods.
  • Include the last interpreted node in the runtime error report.
  • Inline the preparation of AST from an extra preprocessing step to the interpretation phase.

BREAKING CHANGE: The second parameters of interpret is an object with options. The parameter globals has been moved to a property in the options object.

// old syntax
interpret(ast, { count: 1 })
// new syntax
interpret(ast, { globals: { count: 1 } })

0.2.4

Parser

Remove the operator ~= that does not exist.

Walker 0.0.3

Skip omitted nodes for.init, slice.start and slice.end expressions during walking.

Interpreter 0.0.1

Initial release.

0.2.3

Fix parsing of an incomplete switch statement.

0.2.2

Parser

Fix parsing of the member expression without the explicit this object.

Walker 0.0.2

  • Recognize ObjectExpression as AssocExpression for compatibility.
  • Fix walking of consequent and alternate of ConditionalExpression.

0.2.1

Fix parsing of the switch statement.

0.2.0

New Features

  • Allow storing raw content not only for literals, but for identifiers too.

  • Let warning fail the syntax check too, if requested by -w|--warnings.

  • Use colours in the console output.

  • Print error context for parsing failures, for exaample:

    $ oslint example.os

    example.os failed with 1 error and 0 warnings example.os:7:28: error: modifier, type, function, script or end expected near 'public' 5｜ 6｜ public object Document inherits CORE::Node 7｜ override Boolean fEnabled TRUE ｜ ~~~~ 8｜ 9｜ // Gets a livelink document

Fixed Bugs

  • Correct parsed node and error locations.
  • Correct typings for AST nodes.

Walker 0.0.1

Initial release.

0.1.0

Include a new property warnings in the parser output or error, which will contain an array of warnings. A warning is a mistake in the source code, which is not fatal (and will be compiled and executed properly), but which is against the modern language specification. Warn about:

  • A line break in a single-line string
  • A backslash not followed by a whitespace
  • A ifdef or ifndef preprocessor directive without a name identifier following it
  • An object declared with other modifier than public
  • A preprocessor directive followed by non-whitespace characters
  • A semicolon following feature, function or script declaration
  • A missing line break or semicolon after an empty c-like for statement before the end keyword

0.0.1

Initial release.

  • Command-line tools osparse and oslint
  • Functions parseText, parseTokens, tokenize and startTokenization
  • Typescript typings