Working PCR syntax

%YAML 1.2
---
name: FullProf PCR
scope: source.pcr
file_extensions: [pcr]

variables:
  number: '-?\d+(\.\d+)?([eE][+-]\d+)?'
  zeroes: '-?0\.0+([eE][+-]\d+)?'
  element: '[A-Z][A-Za-z0-9+\-]*'

contexts:
  main:
    - match: '(?i)^!(?=\s*Atom)'
      scope: punctuation.definition.comment.pcr
      push: atomic-comment
    - match: '^!'
      scope: punctuation.definition.comment.pcr
      push: generic-comment

  end-block:
    - match: '^(?=\!)'
      pop: true

  inline-comment:
    - match: '!'
      scope: punctuation.definition.comment.pcr
      push:
      - meta_scope: comment.line.pcr
      - match: '\n'
        pop: true

  values:
    - match: '{{number}}'
      scope: constant.other.pcr

  codewords:
    - match: '{{zeroes}}'
      scope: comment.line.pcr
    - match: '{{number}}'
      scope: keyword.control.pcr


# Generic lines :
# - comment
# - values
# - codewords (optional)

  generic-comment:
    - meta_scope: comment.line.pcr
    - match: '\n'
      set: generic-values

  generic-values:
    - meta_content_scope: meta.generic-values.pcr
    - include: end-block
    - include: inline-comment
    - include: values
    - match: '\n'
      set: generic-codewords

  generic-codewords:
    - meta_content_scope: meta.generic-codewords.pcr
    - include: end-block
    - include: inline-comment
    - include: codewords
    - match: '\n'
      pop: true

# Atomic content lines :
# - comment
# - values
# - codewords
# - values
# - codewords
# - etc.

  atomic-comment:
    - meta_scope: comment.line.pcr
    - match: '\n'
      set: atomic-values

  atomic-values:
    - meta_scope: meta.atomic-values.pcr
    - include: end-block
    - include: inline-comment
    - match: '{{element}}'
      scope: string.unquoted
    - include: values
    - match: '\n'
      set: atomic-codewords

  atomic-codewords:
    - meta_scope: meta.atomic-codewords.pcr
    - include: end-block
    - include: inline-comment
    - include: codewords
    - match: '\n'
      set: atomic-values

...