Class: RbsMacros::ExecCtx

Inherits:
Object
  • Object
show all
Defined in:
lib/rbs_macros/exec_ctx.rb

Overview

Context, including self, class, and local variables

Instance Method Summary collapse

Instance Method Details

#eval_node(node) ⇒ Object 



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# File 'lib/rbs_macros/exec_ctx.rb', line 8

def eval_node(node)
  case node
  when nil
    # do nothing
  when Prism::CallNode
    recv = \
      if node.receiver
        eval_node(node.receiver)
      else
        self.self
      end
    positional = [] # : Array[Object]
    keyword = {} # : Hash[Object, Object]
    node.arguments&.arguments&.each do |arg|
      positional << eval_node(arg)
    end
    env.invoke(
      Environment::HandlerParams.new(
        env:,
        filename:,
        receiver: recv,
        name: node.name,
        positional:,
        keyword:,
        block: nil
      )
    )
  when Prism::ClassNode
    klass = cref.define_module(node.name)
    klass.class!
    with(
      self: klass,
      cref: klass,
      cref_dynamic: klass,
      locals: {}
    ).eval_node(node.body)
  when Prism::ModuleNode
    mod = cref.define_module(node.name)
    mod.module!
    with(
      self: mod,
      cref: mod,
      cref_dynamic: mod,
      locals: {}
    ).eval_node(node.body)
  when Prism::ProgramNode
    eval_node(node.statements)
  when Prism::StatementsNode
    node.body.each { |stmt| eval_node(stmt) }
  when Prism::StringNode
    node.unescaped.dup.freeze
  when Prism::SymbolNode
    node.unescaped.to_sym
  else
    $stderr.puts "Dismissing node: #{node.inspect}" # rubocop:disable Style/StderrPuts
  end
end