Class: Kumi::Parser::DirectParser

Inherits:
Object
  • Object
show all
Includes:
Helpers
Defined in:
lib/kumi/parser/direct_parser.rb

Overview

Direct AST construction parser using recursive descent with embedded token metadata

Instance Method Summary collapse

Methods included from Helpers

#advance_and_return_token, #convert_literal_value, #expect_field_name_token, #map_operator_token_to_function_name, #next_is_kwarg_after_comma?, #parse_args_and_opts_inside_parens, #parse_kw_literal_value, #parse_optional_decl_kwargs, #skip_comments_and_newlines

Constructor Details

#initialize(tokens) ⇒ DirectParser

Returns a new instance of DirectParser.



9
10
11
12
13
 
# File 'lib/kumi/parser/direct_parser.rb', line 9

def initialize(tokens)
  @tokens = tokens
  @pos = 0
  @imported_names = Set.new
end

Instance Method Details

#parse ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# File 'lib/kumi/parser/direct_parser.rb', line 15

def parse
  skip_comments_and_newlines

  # Parse root-level imports (before schema)
  root_imports = parse_imports
  @imported_names.merge(root_imports.flat_map(&:names))

  schema_node = parse_schema

  # If we have root imports, add them to the schema
  if root_imports.any?
    # Merge root imports with schema imports
    schema_node.imports.concat(root_imports)
  end

  skip_comments_and_newlines
  expect_token(:eof)
  schema_node
end