Class: GraphQL::CParser::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql/c_parser.rb,
ext/graphql_c_parser_ext/graphql_c_parser_ext.c

Direct Known Subclasses

SchemaParser

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(query_string, filename, trace, max_tokens) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/graphql/c_parser.rb', line 99

def initialize(query_string, filename, trace, max_tokens)
  if query_string.nil?
    raise GraphQL::ParseError.new("No query string was present", nil, nil, query_string)
  end
  @query_string = query_string
  @filename = filename
  @tokens = nil
  @next_token_index = 0
  @result = nil
  @trace = trace
  @intern_identifiers = false
  @max_tokens = max_tokens
end

Instance Attribute Details

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



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# File 'lib/graphql/c_parser.rb', line 131

def filename
  @filename
end

#next_token_index ⇒ Object (readonly)

Returns the value of attribute next_token_index.



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# File 'lib/graphql/c_parser.rb', line 131

def next_token_index
  @next_token_index
end

#query_string ⇒ Object (readonly)

Returns the value of attribute query_string.



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# File 'lib/graphql/c_parser.rb', line 131

def query_string
  @query_string
end

#tokens ⇒ Object (readonly)

Returns the value of attribute tokens.



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# File 'lib/graphql/c_parser.rb', line 131

def tokens
  @tokens
end

Class Method Details

.parse(query_str, filename: nil, trace: GraphQL::Tracing::NullTrace, max_tokens: nil) ⇒ Object 



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# File 'lib/graphql/c_parser.rb', line 90

def self.parse(query_str, filename: nil, trace: GraphQL::Tracing::NullTrace, max_tokens: nil)
  self.new(query_str, filename, trace, max_tokens).result
end

.parse_file(filename) ⇒ Object 



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# File 'lib/graphql/c_parser.rb', line 94

def self.parse_file(filename)
  contents = File.read(filename)
  parse(contents, filename: filename)
end

Instance Method Details

#c_parse ⇒ Object 



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# File 'ext/graphql_c_parser_ext/graphql_c_parser_ext.c', line 7

VALUE GraphQL_CParser_Parser_c_parse(VALUE self) {
  yyparse(self, rb_ivar_get(self, rb_intern("@filename")));
  return Qnil;
}

#result ⇒ Object 



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# File 'lib/graphql/c_parser.rb', line 113

def result
  if @result.nil?
    @tokens = @trace.lex(query_string: @query_string) do
      GraphQL::CParser::Lexer.tokenize(@query_string, intern_identifiers: @intern_identifiers, max_tokens: @max_tokens)
    end
    @trace.parse(query_string: @query_string) do
      c_parse
      @result
    end
  end
  @result
end

#tokens_count ⇒ Object 



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# File 'lib/graphql/c_parser.rb', line 126

def tokens_count
  result
  @tokens.length
end