Module: Ibex::LSP::SymbolIndexPrecedenceReferences

Included in:
SymbolIndexBuilder
Defined in:
lib/ibex/lsp/symbol_index_precedence_references.rb,
sig/ibex/lsp/symbol_index_precedence_references.rbs

Overview

Indexes rule-scoped item and alternative precedence references.

Instance Method Summary collapse

Instance Method Details

#add_rule_reference(path, token, name, rule, rule_id) ⇒ void

This method returns an undefined value.

RBS:

  • (String path, Frontend::Token token, String name, Frontend::AST::Rule rule, Integer rule_id) -> void

Parameters:



26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
# File 'lib/ibex/lsp/symbol_index_precedence_references.rb', line 26

def add_rule_reference(path, token, name, rule, rule_id)
  # @type self: SymbolIndexBuilder
  return unless token.span

  if rule.parameters.include?(name)
    key = parameter_key(path, rule_id, name)
    kind = :parameter
    data = { rule: rule.lhs }
  else
    key = global_key(name)
    kind = @global_kinds[name] || :rule
    data = symbol_data(kind, name)
  end
  add_occurrence(name: name, kind: kind, role: :reference, key: key,
                 path: path, span: token.span, data: data)
end

#collect_alternative_precedence(path, document, alternative, following, rule, rule_id) ⇒ void

This method returns an undefined value.

RBS:

  • (String path, Frontend::SourceDocument document, Frontend::AST::Alternative alternative, Frontend::Location? following, Frontend::AST::Rule rule, Integer rule_id) -> void

Parameters:



11
12
13
14
15
16
17
18
19
20
21
22
 
# File 'lib/ibex/lsp/symbol_index_precedence_references.rb', line 11

def collect_alternative_precedence(path, document, alternative, following, rule, rule_id)
  # @type self: SymbolIndexBuilder
  name = alternative.precedence
  return unless name

  tokens = tokens_between(document, alternative.loc, following)
  index = (0...(tokens.length - 1)).to_a.reverse.find do |candidate|
    tokens.fetch(candidate).value == "=" && tokens.fetch(candidate + 1).value == name
  end
  token = index && tokens[index + 1]
  add_rule_reference(path, token, name, rule, rule_id) if token
end