Class: Crisp::Nodes::SymbolLiteral

Inherits:

Primitive

• Object
• Treetop::Runtime::SyntaxNode
• Base
• Primitive
• Crisp::Nodes::SymbolLiteral

Defined in:

lib/crisp/nodes/symbol_literal.rb

Overview

The symbol node

Instance Method Summary

• #resolve(env) ⇒ Object

  return the value for the key in the env the symbol stays for.

Methods inherited from Primitive

#eval

Methods inherited from Base

#eval, #resolve_and_eval

Instance Method Details

#resolve(env) ⇒ Object

return the value for the key in the env the symbol stays for

# File 'lib/crisp/nodes/symbol_literal.rb', line 6

def resolve(env)
  if !env.has_key?(text_value)
    raise Crisp::EnvironmentError, "#{text_value} is unbound"
  end

  env[text_value]
end