// This is a TextMate grammar distributed by `starry-night`.
// This grammar is developed at
// <https://github.com/floxay/vscode-flatbuffers>
// and licensed `mit`.
// See <https://github.com/wooorm/starry-night> for more info.
/**
 * @import {Grammar} from '@wooorm/starry-night'
 */

/** @type {Grammar} */
const grammar = {
  extensions: ['.fbs'],
  names: ['flatbuffers'],
  patterns: [
    {include: '#include'},
    {include: '#namespace_decl'},
    {include: '#type_decl'},
    {include: '#enum_decl'},
    {include: '#root_decl'},
    {include: '#file_ext_ident_decl'},
    {include: '#attribute_decl'},
    {include: '#rpc_decl'},
    {include: '#object'},
    {include: '#comment'}
  ],
  repository: {
    attribute_decl: {
      begin: '\\b(attribute)\\b\\s+',
      beginCaptures: {1: {name: 'keyword.other.attribute.flatbuffers'}},
      end: ';',
      endCaptures: {0: {name: 'punctuation.terminator.flatbuffers'}},
      name: 'meta.attribute-declaration.flatbuffers',
      patterns: [
        {include: '#ident'},
        {
          begin: '"',
          beginCaptures: {0: {name: 'support.other.flatbuffers'}},
          end: '"',
          endCaptures: {0: {name: 'support.other.flatbuffers'}},
          patterns: [{include: '#ident'}]
        }
      ]
    },
    comment: {
      name: 'meta.comment.flatbuffers',
      patterns: [
        {
          begin: '/\\*',
          beginCaptures: {
            0: {name: 'punctuation.definition.comment.flatbuffers'}
          },
          end: '\\*/',
          endCaptures: {
            0: {name: 'punctuation.definition.comment.flatbuffers'}
          },
          name: 'comment.block.flatbuffers'
        },
        {
          begin: '///',
          beginCaptures: {
            0: {name: 'punctuation.definition.comment.flatbuffers'}
          },
          end: '$\\n',
          name: 'comment.line.triple-slash.documentation.flatbuffers'
        },
        {
          begin: '//',
          beginCaptures: {
            0: {name: 'punctuation.definition.comment.flatbuffers'}
          },
          end: '$\\n',
          name: 'comment.line.double-slash.flatbuffers'
        }
      ]
    },
    enum_decl: {
      begin: '\\b(enum)|(union)\\b\\s+',
      beginCaptures: {
        1: {name: 'keyword.other.enum.flatbuffers'},
        2: {name: 'keyword.other.union.flatbuffers'}
      },
      end: '(?<=})',
      name: 'meta.enum-declaration.flatbuffers',
      patterns: [
        {include: '#comment'},
        {include: '#metadata'},
        {include: '#type'},
        {include: '#ident'},
        {match: ':', name: 'punctuation.separator.colon.flatbuffers'},
        {
          begin: '{',
          beginCaptures: {0: {name: 'punctuation.curlybrace.open.flatbuffers'}},
          end: '}',
          endCaptures: {0: {name: 'punctuation.curlybrace.close.flatbuffers'}},
          name: 'meta.block.flatbuffers',
          patterns: [
            {include: '#comment'},
            {include: '#metadata'},
            {include: '#integer_constant'},
            {include: '#type'},
            {include: '#ident'},
            {match: '=', name: 'keyword.operator.assignment.flatbuffers'},
            {match: ':', name: 'punctuation.separator.colon.flatbuffers'}
          ]
        }
      ]
    },
    field_decl: {
      begin: '([a-zA-Z_][a-zA-Z0-9_]*)\\s*(:)',
      beginCaptures: {
        1: {name: 'variable.other.member.flatbuffers'},
        2: {name: 'punctuation.separator.colon.flatbuffers'}
      },
      end: ';',
      endCaptures: {0: {name: 'punctuation.terminator.flatbuffers'}},
      name: 'meta.field-declaration.flatbuffers',
      patterns: [
        {include: '#single_value'},
        {include: '#type'},
        {match: '=', name: 'keyword.operator.assignment.flatbuffers'},
        {include: '#metadata'}
      ]
    },
    file_ext_ident_decl: {
      begin: '\\b(file_extension)|(file_identifier)\\b\\s+',
      beginCaptures: {
        1: {name: 'keyword.control.file-extension.flatbuffers'},
        2: {name: 'keyword.control.file-identifier.flatbuffers'}
      },
      end: ';',
      endCaptures: {0: {name: 'punctuation.terminator.flatbuffers'}},
      patterns: [{include: '#string_constant'}]
    },
    float_constant: {
      name: 'meta.float-constant.flatbuffers',
      patterns: [
        {
          captures: {1: {name: 'keyword.operator.arithmetic.flatbuffers'}},
          match: '([-+])?(([.][0-9]+)|([0-9]+[.][0-9]*))([eE][-+]?[0-9]+)?',
          name: 'constant.numeric.float.decimal.flatbuffers'
        },
        {
          captures: {
            1: {name: 'keyword.operator.arithmetic.flatbuffers'},
            2: {name: 'storage.type.number.flatbuffers'}
          },
          match:
            '([-+])?(0[xX])(([.][0-9a-fA-F]+)|([0-9a-fA-F]+[.][0-9a-fA-F]*))([pP][-+]?[0-9]+)',
          name: 'constant.numeric.float.hexadecimal.flatbuffers'
        },
        {
          captures: {1: {name: 'keyword.operator.arithmetic.flatbuffers'}},
          match: '([-+])?(nan|inf|infinity)',
          name: 'constant.numeric.float.other.flatbuffers'
        }
      ]
    },
    ident: {
      match: '[a-zA-Z_][a-zA-Z0-9_]*',
      name: 'entity.name.class.flatbuffers'
    },
    include: {
      begin: '\\b(include)|(native_include)\\b\\s+',
      beginCaptures: {
        1: {name: 'keyword.control.import.flatbuffers'},
        2: {name: 'keyword.control.native-import.flatbuffers'}
      },
      end: ';',
      endCaptures: {0: {name: 'punctuation.terminator.flatbuffers'}},
      name: 'meta.import.flatbuffers',
      patterns: [{include: '#string_constant'}]
    },
    integer_constant: {
      name: 'meta.integer-constant.flatbuffers',
      patterns: [
        {
          captures: {
            1: {name: 'keyword.operator.arithmetic.flatbuffers'},
            2: {name: 'storage.type.number.flatbuffers'}
          },
          match: '([-+])?(0[xX])[0-9a-fA-F]+',
          name: 'constant.numeric.integer.hexadecimal.flatbuffers'
        },
        {
          captures: {1: {name: 'keyword.operator.arithmetic.flatbuffers'}},
          match: '([-+])?[0-9]+',
          name: 'constant.numeric.integer.decimal.flatbuffers'
        }
      ]
    },
    metadata: {
      begin: '\\(',
      beginCaptures: {0: {name: 'punctuation.parenthesis.open.flatbuffers'}},
      end: '\\)',
      endCaptures: {0: {name: 'punctuation.parenthesis.close.flatbuffers'}},
      name: 'meta.metadata.flatbuffers',
      patterns: [
        {include: '#comment'},
        {include: '#single_value'},
        {
          match: '[a-zA-Z_][a-zA-Z0-9_]*',
          name: 'keyword.control.attribute.flatbuffers'
        },
        {match: ',', name: 'punctuation.separator.comma.flatbuffers'},
        {match: ':', name: 'punctuation.separator.colon.flatbuffers'}
      ]
    },
    namespace_decl: {
      begin: '\\b(namespace)\\b\\s+',
      beginCaptures: {1: {name: 'keyword.other.namespace.flatbuffers'}},
      end: ';',
      endCaptures: {0: {name: 'punctuation.terminator.flatbuffers'}},
      name: 'meta.namespace-declaration.flatbuffers',
      patterns: [
        {include: '#ident'},
        {match: '\\.', name: 'punctuation.accessor.flatbuffers'}
      ]
    },
    root_decl: {
      begin: '\\b(root_type)\\b\\s+',
      beginCaptures: {1: {name: 'keyword.control.root-type.flatbuffers'}},
      end: ';',
      endCaptures: {0: {name: 'punctuation.terminator.flatbuffers'}},
      name: 'meta.root-type-declaration.flatbuffers',
      patterns: [{include: '#metadata'}, {include: '#ident'}]
    },
    rpc_decl: {
      begin: '\\b(rpc_service)\\b\\s+',
      beginCaptures: {1: {name: 'keyword.other.rpc-service.flatbuffers'}},
      end: '(?<=})',
      endCaptures: {0: {name: 'punctuation.terminator.flatbuffers'}},
      name: 'meta.rpc-service-declaration.flatbuffers',
      patterns: [
        {include: '#comment'},
        {include: '#ident'},
        {
          begin: '{',
          beginCaptures: {0: {name: 'punctuation.curlybrace.open.flatbuffers'}},
          end: '}',
          endCaptures: {0: {name: 'punctuation.curlybrace.close.flatbuffers'}},
          name: 'meta.block.flatbuffers',
          patterns: [
            {include: '#comment'},
            {include: '#rpc_method_member'},
            {include: '#ident'},
            {include: '#metadata'}
          ]
        }
      ]
    },
    rpc_method_member: {
      begin: '([a-zA-Z_][a-zA-Z0-9_]*)(\\()([a-zA-Z_][a-zA-Z0-9_]*)(\\))(:)',
      beginCaptures: {
        1: {name: 'variable.other.member.flatbuffers'},
        2: {name: 'punctuation.parenthesis.open.flatbuffers'},
        3: {name: 'entity.name.class.flatbuffers'},
        4: {name: 'punctuation.parenthesis.close.flatbuffers'},
        5: {name: 'punctuation.separator.colon.flatbuffers'}
      },
      end: '(?<=:)',
      endCaptures: {0: {name: 'punctuation.separator.colon.flatbuffers'}}
    },
    scalar: {
      name: 'meta.scalar.flatbuffers',
      patterns: [
        {match: '\\b(true|false)\\b', name: 'constant.language.flatbuffers'},
        {include: '#float_constant'},
        {include: '#integer_constant'}
      ]
    },
    single_value: {
      name: 'meta.single-value.flatbuffers',
      patterns: [{include: '#scalar'}, {include: '#string_constant'}]
    },
    string_constant: {
      captures: {
        1: {name: 'punctuation.definition.string.begin.flatbuffers'},
        2: {name: 'string.quoted.double.flatbuffers'},
        3: {name: 'punctuation.definition.string.end.flatbuffers'}
      },
      match: '(")((?:[^"]|\\")*)(")',
      name: 'string.quoted.double.flatbuffers'
    },
    type: {
      name: 'meta.type.flatbuffers',
      patterns: [
        {
          match:
            '\\b(bool|byte|ubyte|short|ushort|int|uint|float|long|ulong|double|int8|uint8|int16|uint16|int32|uint32|int64|uint64|float32|float64|string)\\b',
          name: 'storage.type.flatbuffers'
        },
        {include: '#ident'},
        {
          begin: '\\[',
          beginCaptures: {
            0: {name: 'punctuation.squarebracket.open.flatbuffers'}
          },
          end: '\\]',
          endCaptures: {
            0: {name: 'punctuation.squarebracket.close.flatbuffers'}
          },
          name: 'meta.array.flatbuffers',
          patterns: [
            {include: '#type'},
            {include: '#scalar'},
            {match: ':', name: 'punctuation.separator.array-length.flatbuffers'}
          ]
        }
      ]
    },
    type_decl: {
      begin: '\\b(table)|(struct)\\b\\s+',
      beginCaptures: {
        1: {name: 'keyword.other.table.flatbuffers'},
        2: {name: 'keyword.other.struct.flatbuffers'}
      },
      end: '(?<=})',
      name: 'meta.type-declaration.flatbuffers',
      patterns: [
        {include: '#comment'},
        {include: '#metadata'},
        {include: '#ident'},
        {
          begin: '{',
          beginCaptures: {0: {name: 'punctuation.curlybrace.open.flatbuffers'}},
          end: '}',
          endCaptures: {0: {name: 'punctuation.curlybrace.close.flatbuffers'}},
          name: 'meta.block.flatbuffers',
          patterns: [
            {include: '#comment'},
            {include: '#field_decl'},
            {include: '#metadata'}
          ]
        }
      ]
    }
  },
  scopeName: 'source.flatbuffers'
}

export default grammar