Class: FiberAudit::Static::CallSiteExtractor::ASTVisitor

Inherits:
Object
  • Object
show all
Defined in:
lib/fiber_audit/static/call_site_extractor.rb

Overview

Internal visitor that walks the AST and extracts call sites. Keeping the traversal state together makes scope propagation explicit. rubocop:disable Metrics/ClassLength

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file_path:, source:, semantic_index:) ⇒ ASTVisitor

Returns a new instance of ASTVisitor.



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# File 'lib/fiber_audit/static/call_site_extractor.rb', line 117

def initialize(file_path:, source:, semantic_index:)
  @file_path = file_path
  @source = source
  @semantic_index = semantic_index
  @call_sites = []

  # Scope tracking stacks
  @nesting_stack = []        # Array of constant names (class/module nesting)
  @scope_stack = []          # Array of [class_or_module, method_name, method_kind]
  @in_singleton_class = false # Track if inside `class << self`

  # Assignment tracking: local variable -> {constant:, confidence:}
  # Scoped per method; no ivars attached to Prism nodes.
  @assignment_scope = {}
end

Instance Attribute Details

#call_sites ⇒ Object (readonly)

Returns the value of attribute call_sites.



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# File 'lib/fiber_audit/static/call_site_extractor.rb', line 115

def call_sites
  @call_sites
end

Instance Method Details

#visit(node) ⇒ Object 



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# File 'lib/fiber_audit/static/call_site_extractor.rb', line 133

def visit(node)
  return unless node

  case node
  when Prism::ClassNode
    visit_class(node)
  when Prism::ModuleNode
    visit_module(node)
  when Prism::SingletonClassNode
    visit_singleton_class(node)
  when Prism::DefNode
    visit_def(node)
  when Prism::IfNode, Prism::UnlessNode, Prism::CaseNode
    visit_branching(node)
  when Prism::CallNode
    visit_call(node)
  when Prism::LocalVariableWriteNode, Prism::InstanceVariableWriteNode
    visit_assignment(node)
  else
    visit_children(node)
  end
end