%YAML 1.2
---
# NotesCraft's own PowerShell grammar. Original work written for this project; not copied
# from any other grammar. Regexes stay linear: no nested quantifiers, so nothing backtracks far.
# Strings end at their line unless the language allows multi-line ones.
name: PowerShell
file_extensions: [ps1, psm1, psd1, pwsh, powershell]
scope: source.powershell

contexts:
  main:
    - match: '<#'
      scope: punctuation.definition.comment.begin
      push: block0
    - match: '#.*'
      scope: comment.line
    - match: '\$(?:true|false|null)\b'
      scope: constant.language
    - match: '(?i)-(?:eq|ne|gt|ge|lt|le|like|notlike|match|notmatch|contains|notcontains|in|notin|and|or|not|is|isnot|as|replace|split|join|f)\b'
      scope: keyword.operator.word
    - match: '\b[A-Z][a-z]+-[A-Za-z]+\b'
      scope: entity.name.function
    - match: '\$\{?[\w:]+\}?'
      scope: variable.other.powershell
    - match: '"'
      scope: punctuation.definition.string.begin
      push: str-dq
    - match: ''''
      scope: punctuation.definition.string.begin
      push: str-sq
    - match: '(?i)\b(?:begin|break|catch|class|continue|data|do|dynamicparam|else|elseif|end|enum|exit|filter|finally|for|foreach|from|function|if|in|param|process|return|switch|throw|trap|try|until|using|while|workflow)\b'
      scope: keyword.control
    - match: '(?i)\b(?:true|false|null)\b'
      scope: constant.language
    - match: '\b(?:0[xX][0-9a-fA-F_]+|0[bB][01_]+|\d[\d_]*(?:\.\d[\d_]*)?(?:[eE][+-]?\d+)?)\b'
      scope: constant.numeric
    - match: '[-+*/%=<>!&|^~?:]+'
      scope: keyword.operator
  block0:
    - meta_scope: comment.block
    - match: '#>'
      pop: true
  str-dq:
    - meta_scope: string.quoted.double
    - match: '\\.'
      scope: constant.character.escape
    - match: '"'
      scope: punctuation.definition.string.end
      pop: true
    - match: '(?=\n)'
      pop: true
  str-sq:
    - meta_scope: string.quoted.single
    - match: '\\.'
      scope: constant.character.escape
    - match: ''''
      scope: punctuation.definition.string.end
      pop: true
    - match: '(?=\n)'
      pop: true