%YAML 1.2
---
# http://www.sublimetext.com/docs/3/syntax.html
name: Java
file_extensions:
  - java
  - bsh
scope: source.java
variables:
  primitives: \b(boolean|byte|char|short|int|float|long|double)\b
  primitives_with_void: \bvoid\b|{{primitives}}

  # source: http://stackoverflow.com/a/5205467/9815
  id: '(?:[\p{L}_$][\p{L}\p{N}_$]*)'
  qualified_id: '(?:(?:{{id}}\.)*{{id}})'

  # utility lookaround
  within_generics: '(?:<(?:[^<>]|<(?:[^<>]|<[^<>]*>)*>)*>)'  # handles 3 levels nesting
  lambda_lookahead: '(\([^)]*\)|{{id}})\s*->'

contexts:
  prototype:
    - include: comments

  main:
    - include: comments
    - include: package
    - include: import
    - include: annotations
    - include: code

  package:
    - match: '\bpackage\b'
      scope: keyword.other.package.java
      push:
        - meta_scope: meta.package.java
        - match: '[\w\.]+'
          scope: support.other.package.java
        - match: ;
          scope: punctuation.terminator.java
          pop: true
        - match: (?=\n)
          pop: true
  import:
    - match: \bimport\b
      scope: keyword.other.import.java
      push:
        - meta_scope: meta.import.java
        - match: \bstatic\b
          scope: storage.modifier.static.java
          push:
            - match: '[\w\.]+'
              scope: support.function.import.java
            - match: (?=;)
              pop: true
            - match: (?=\n)
              pop: true
        - match: '[\w\.]+'
          scope: support.class.import.java
        - match: ;
          scope: punctuation.terminator.java
          pop: true
        - match: (?=\n)
          pop: true

  all-types:
    - include: primitive-arrays
    - include: primitive-types

  annotations:
    - match: '(@)(?={{qualified_id}})'
      scope: meta.annotation.java punctuation.definition.annotation.java
      push:
        - match: '[ \t]+(?!$)'
          scope: meta.annotation.java
        - match: '({{id}})(\.)'
          scope: meta.annotation.identifier.java
          captures:
            1: support.class.java
            2: punctuation.accessor.dot.java
        - match: '({{id}})(\()'
          captures:
            1: meta.annotation.identifier.java variable.annotation.java
            2: meta.annotation.parameters.java punctuation.section.parens.begin.java
          set:
            - meta_content_scope: meta.annotation.parameters.java
            - match: \)
              scope: meta.annotation.parameters.java punctuation.section.parens.end.java
              pop: true
            - include: code
        - match: '{{id}}'
          scope: meta.annotation.identifier.java variable.annotation.java
        - match: (?=\S|$)
          pop: true

  anonymous-classes-and-new:
    - match: \bnew\b
      scope: keyword.control.new.java
      push: instantiation

  instantiation:
    - match: '{{primitives}}'
      scope: storage.type.primitive.java
      set: instantiation-arrays
    - match: '{{qualified_id}}'
      scope: support.class.java
      set: instantiation-generics
    - match: '(?=\S)'
      pop: true

  instantiation-generics:
    - match: '<'
      scope: punctuation.definition.generic.begin.java
      set:
        - meta_scope: meta.generic.java
        - match: '>'
          scope: punctuation.definition.generic.end.java
          set: instantiation-arrays
        - include: generic-instantiation
    - match: '(?=\S)'
      set: instantiation-arrays

  instantiation-arrays:
    - match: \[
      scope: punctuation.section.brackets.begin.java
      set:
        - meta_scope: meta.brackets.java
        - match: \]
          scope: punctuation.section.brackets.end.java
          pop: true
        - include: code
    - match: \(
      scope: punctuation.section.parens.begin.java
      set:
        - meta_scope: meta.parens.java
        - match: \)
          scope: punctuation.section.parens.end.java
          set: instantiation-anon-class
        - include: code
    - match: '(?=\S)'
      pop: true

  instantiation-anon-class:
    - match: \{
      scope: punctuation.section.braces.begin.java
      push:
        - meta_scope: meta.class.anonymous-inner-class.java
        - match: \}
          scope: punctuation.section.braces.end.java
          pop: true
        - include: class-body
    - match: (?=\S)
      pop: true

  functions:
    - match: '\b{{id}}(?=(\s*{{within_generics}})?\s*\()'
      scope: variable.function.java
      push: function-generics

  function-generics:
    - match: '<'
      scope: punctuation.definition.generic.begin.java
      push:
        - meta_scope: meta.generic.java
        - match: '>'
          scope: punctuation.definition.generic.end.java
          pop: true
        - include: generic-instantiation
    - match: '(?=\S)'
      pop: true

  fields:
    - match: '{{primitives}}(?=(\s*\[\s*\])?\s+{{id}})'
      scope: storage.type.primitive.java
      push: field-definition-arrays
    - match: '\b{{qualified_id}}(?=(\s*{{within_generics}})?(\s*\[\s*\])?\s+{{id}})'
      scope: support.class.java
      push: field-definition-generics

  field-definition-generics:
    - match: '<'
      scope: punctuation.definition.generic.begin.java
      set:
        - meta_scope: meta.generic.java
        - match: '>'
          scope: punctuation.definition.generic.end.java
          set: field-definition-arrays
        - include: generic-instantiation
    - match: '(?=\S)'
      set: field-definition-arrays

  field-definition-arrays:
    - match: \[
      scope: punctuation.section.brackets.begin.java
      set:
        - match: \]
          scope: punctuation.section.brackets.end.java
          set: field-definition-name
    - match: '(?=\S)'
      set: field-definition-name

  field-definition-name:
    - match: '{{id}}'
      pop: true

  generic-instantiation:
    - match: '{{primitives}}'
      scope: invalid.illegal.primitive-instantiation.java
    - match: \?
      scope: keyword.operator.wildcard.java
    - match: \b(extends|super)\b
      scope: keyword.declaration.extends.java
    - match: '{{qualified_id}}'
      scope: support.type.java
    - match: '<'
      scope: punctuation.definition.generic.begin.java
      push:
        - match: '>'
          scope: punctuation.definition.generic.end.java
          pop: true
        - include: generic-instantiation

  assertions:
    - match: \b(assert)\b
      scope: keyword.control.assert.java
      push:
        - meta_scope: meta.declaration.assertion.java
        - match: $
          pop: true
        - match: ":"
          scope: keyword.operator.assert.expression-separator.java
        - include: code
  class:
    - match: '(?=\w?[\w\s]*(?:class|(?:@)?interface|enum)(\s+\w+|\b))'
      push: class-declaration

  class-declaration:
    - meta_content_scope: meta.class.java
    - include: storage-modifiers
    - match: (\bclass|(?:@)?\binterface|\benum)(?:\s+|\b)
      captures:
        1: storage.type.java
      set:
        - match: '\w+'
          scope: meta.class.identifier.java entity.name.class.java
          set: class-declaration
        - match: ''
          set: class-declaration
    - match: '<'
      scope: punctuation.definition.generic.begin.java
      push:
        - meta_scope: meta.generic.java
        - match: '>'
          scope: punctuation.definition.generic.end.java
          pop: true
        - include: generic-instantiation
    - match: (?=\bextends\b)
      set:
        - match: \bextends\b
          scope: keyword.declaration.extends.java
          set:
            - meta_scope: meta.class.extends.java
            - match: '(?=\s*{|\s*\bimplements\b)'
              set: class-declaration
            - include: object-types-inherited
    - match: (?=\bimplements\b)
      set:
        - match: \bimplements\b
          scope: keyword.declaration.implements.java
          set:
            - meta_scope: meta.class.implements.java
            - match: '(?=\s*\bextends\b|\s*\{)'
              set: class-declaration
            - include: object-types-inherited
    - match: '(?=\{)'
      set:
        - meta_scope: meta.class.body.java
        - match: '\}'
          scope: punctuation.section.class.end.java
          pop: true
        - match: '\{'
          scope: punctuation.section.class.begin.java
          push:
            - match: "(?=})"
              pop: true
            - include: class-body

  class-body:
    - include: class
    - include: enums
    - include: methods
    - include: annotations
    - include: storage-modifiers
    - include: code

  code:
    - include: class
    - match: "{"
      push:
        - match: "}"
          pop: true
        - match: "(?=%>)"
          pop: true
        - include: code
    - include: assertions
    - include: lambdas
    - include: parens
    - include: constants-and-special-vars
    - include: anonymous-classes-and-new
    - include: keywords
    - include: storage-modifiers
    - include: fields
    - include: functions
    - include: strings
    - include: all-types
  comments:
    - match: /\*\*/
      scope: comment.block.empty.java punctuation.definition.comment.java
    - include: scope:text.html.javadoc
    - include: comments-inline
  comments-inline:
    - match: /\*
      scope: punctuation.definition.comment.java
      push:
        - meta_scope: comment.block.java
        - match: \*/
          scope: punctuation.definition.comment.java
          pop: true
    - match: //
      scope: punctuation.definition.comment.java
      push:
        - meta_scope: comment.line.double-slash.java
        - match: $\n?
          pop: true
        - match: '(?=%>)'
          pop: true
  constants-and-special-vars:
    - match: \b(true|false|null)\b
      scope: constant.language.java
    - match: \b(this|super)\b
      scope: variable.language.java
    - match: '\b((0(x|X)[0-9a-fA-F]*)|(([0-9]+\.?[0-9]*)|(\.[0-9]+))((e|E)(\+|-)?[0-9]+)?)([LlFfUuDd]|UL|ul)?\b'
      scope: constant.numeric.java
    - match: '(\.)?\b([A-Z][A-Z0-9_]+)(?!<|\.class|\s*\w+\s*=)\b'
      captures:
        1: punctuation.accessor.dot.java
        2: constant.other.java
  enums:
    - match: '^(?=\s*[A-Z0-9_]+\s*({|\(|,))'
      push:
        - match: "(?=;|})"
          pop: true
        - match: \w+
          scope: constant.other.enum.java
          push:
            - meta_scope: meta.enum.java
            - match: "(?=,|;|})"
              pop: true
            - include: parens
            - match: "{"
              push:
                - match: "}"
                  pop: true
                - include: class-body

  keywords:
    - match: '::'
      scope: punctuation.accessor.double-colon.java
      push:
        - match: '{{id}}'
          scope: variable.function.reference.java
          pop: true
        - match: (?=\S)
          pop: true
    - match: \b(goto|const)\b
      scope: invalid.illegal.java
    - match: \b(try|catch|finally|throw)\b
      scope: keyword.control.catch-exception.java
    - match: '\?|:'
      scope: keyword.control.java
    - match: \b(return|break|case|continue|default|do|while|for|switch|if|else)\b
      scope: keyword.control.java
    - match: \b(instanceof)\b
      scope: keyword.operator.java
    - match: (==|!=|<=|>=|<>|<|>)
      scope: keyword.operator.comparison.java
    - match: (=)
      scope: keyword.operator.assignment.java
      push:
        - meta_scope: meta.assignment.rhs.java
        - match: (?=(;|\)))
          pop: true
        - include: code
    - match: (\-\-|\+\+)
      scope: keyword.operator.increment-decrement.java
    - match: (\-|\+|\*|\/|%)
      scope: keyword.operator.arithmetic.java
    - match: (!|&&|\|\|)
      scope: keyword.operator.logical.java
    - match: (\.)(class\b)?
      captures:
        1: punctuation.accessor.dot.java
        2: support.variable.magic.java
    - match: ;
      scope: punctuation.terminator.java

  methods:
    - match: '(?=\w.*\s+)(?=[^=;]+\()'
      push: method-declaration
    - match: '(?={{within_generics}}\s+\w.*\s+)(?=[^=;]+\()'
      push: method-declaration

  method-declaration:
    - meta_scope: meta.method.java
    - match: "}|(?=;)"
      pop: true
    - include: storage-modifiers
    - match: '(?=\w+\s*\()'
      set:
        - match: (\w+)\s*(\()
          captures:
            1: meta.method.identifier.java entity.name.function.java
            2: meta.method.parameters.java punctuation.section.parens.begin.java
          push:
            - meta_content_scope: meta.method.parameters.java
            - include: method-parameters
        - match: ''
          set: method-declaration
    - match: '<'
      scope: punctuation.definition.generic.begin.java
      push:
        - meta_scope: meta.generic.java
        - match: '>'
          scope: punctuation.definition.generic.end.java
          pop: true
        - include: generic-instantiation
    - match: (?=\w.*\s+\w+\s*\()
      set:
        - meta_scope: meta.method.return-type.java
        - match: (?=\s*\w+\s*\()
          set: method-declaration
        - include: all-types
    - match: (?=\bthrows\b)
      set: throws
    - match: "{"
      push:
        - meta_scope: meta.method.body.java
        - match: "(?=})"
          pop: true
        - include: code
    - match: (?=\S)
      pop: true

  object-types-inherited:
    - match: '\b{{qualified_id}}\b(?=\s*<)'
      scope: entity.other.inherited-class.java
      push:
        - match: '<'
          scope: punctuation.definition.generic.begin.java
          set:
            - meta_scope: meta.generic.java
            - match: '>'
              scope: punctuation.definition.generic.end.java
              pop: true
            - include: generic-instantiation
    - match: '\b{{qualified_id}}\b'
      scope: entity.other.inherited-class.java

  method-parameters:
    - match: \bfinal\b
      scope: storage.modifier.java
    - match: '{{primitives}}'
      scope: storage.type.primitive.java
      set: method-parameter-after
    - match: '{{qualified_id}}'
      scope: support.class.java
      set: method-parameter-after
    - match: ','
      scope: punctuation.separator.java
    - match: \)
      scope: meta.method.parameters.java punctuation.section.parens.end.java
      pop: true

  method-parameter-after:
    - meta_content_scope: meta.method.parameters.java
    - match: '<'
      scope: punctuation.definition.generic.begin.java
      push:
        - meta_scope: meta.generic.java
        - match: '>'
          scope: punctuation.definition.generic.end.java
          pop: true
        - include: generic-instantiation
    - match: '\.\.\.'
      scope: keyword.operator.varargs.java
    - match: '(\[)\s*(\])'
      captures:
        1: punctuation.section.brackets.begin.java
        2: punctuation.section.brackets.end.java
    - match: '{{id}}'
      scope: variable.parameter.java
      set: method-parameters
    - match: (?=\S)
      pop: true

  throws:
    - meta_scope: meta.method.throws.java
    - match: \bthrows\b
      scope: storage.modifier.java
    - match: (?=\s*\{|\s*;)
      set: method-declaration
    - match: '{{qualified_id}}'
      scope: support.class.java
      push:
        - match: '<'
          scope: punctuation.definition.generic.begin.java
          set:
            - meta_scope: meta.generic.java
            - match: '>'
              scope: punctuation.definition.generic.end.java
              pop: true
            - include: generic-instantiation
        - match: (?=\S)
          pop: true

  # duplicated due to the meta scope
  raw-parameters:
    - match: \bfinal\b
      scope: storage.modifier.java
    - match: '{{primitives}}'
      scope: storage.type.primitive.java
      set: raw-parameter-after
    - match: '{{qualified_id}}'
      scope: support.class.java
      set: raw-parameter-after
    - match: ','
      scope: punctuation.separator.java
    - match: '(?=\))'
      pop: true
  raw-parameter-after:
    - match: '<'
      scope: punctuation.definition.generic.begin.java
      push:
        - meta_scope: meta.generic.java
        - match: '>'
          scope: punctuation.definition.generic.end.java
          pop: true
        - include: generic-instantiation
    - match: '\.\.\.'
      scope: keyword.operator.varargs.java
    - match: '(\[)\s*(\])'
      captures:
        1: punctuation.section.brackets.begin.java
        2: punctuation.section.brackets.end.java
    - match: '{{id}}'
      scope: variable.parameter.java
      set: raw-parameters
    - match: (?=\S)
      pop: true

  lambdas:
    - match: '(?={{lambda_lookahead}})'
      push: lambda-params

  lambda-params:
    - meta_scope: meta.lambda.parameters.java
    - match: \(
      scope: punctuation.section.parens.begin.java
      set:
        - meta_scope: meta.lambda.parameters.paren.java
        - match: \)
          scope: punctuation.section.parens.end.java
          set: lambda-arrow
        - match: (?=(\s*{{id}}\s*,)*\s*{{id}}\s*\))
          push: lambda-params-simple
        - match: (?=\S)
          push: raw-parameters
    - match: '{{id}}'
      scope: variable.parameter.java
      set: lambda-arrow

  lambda-params-simple:
    - match: '{{id}}'
      scope: variable.parameter.java
    - match: ','
      scope: punctuation.separator.java
    - match: (?=\S)
      pop: true

  lambda-arrow:
    - match: ->
      scope: storage.type.lambda.java
      set:
        - meta_scope: meta.lambda.body.java
        - match: (?=[)};])
          pop: true
        - include: code

  parens:
    - match: \(
      push:
        - match: \)
          pop: true
        - include: code

  primitive-arrays:
    - match: '\b(?:void|boolean|byte|char|short|int|float|long|double)(\[\])*\b'
      scope: storage.type.primitive.array.java
  primitive-types:
    - match: '{{primitives}}'
      scope: storage.type.primitive.java
  storage-modifiers:
    - match: \b(public|private|protected|static|final|native|synchronized|strictfp|abstract|threadsafe|transient|default|volatile)\b
      scope: storage.modifier.java
  strings:
    - match: '"'
      scope: punctuation.definition.string.begin.java
      push:
        - meta_include_prototype: false
        - meta_scope: string.quoted.double.java
        - match: '"'
          scope: punctuation.definition.string.end.java
          pop: true
        - match: \\.
          scope: constant.character.escape.java
    - match: "'"
      scope: punctuation.definition.string.begin.java
      push:
        - meta_include_prototype: false
        - meta_scope: string.quoted.single.java
        - match: "'"
          scope: punctuation.definition.string.end.java
          pop: true
        - match: \\.
          scope: constant.character.escape.java

  values:
    - include: strings
    - include: constants-and-special-vars