Exception: PgVerify::Model::Validation::UnknownVariableError

Inherits:
Core::Error
  • Object
show all
Defined in:
lib/pg-verify/model/validation/errors.rb

Instance Method Summary collapse

Methods inherited from Core::Error

#to_formatted

Constructor Details

#initialize(assigned_variable, assignment_expression, var_set) ⇒ UnknownVariableError

Returns a new instance of UnknownVariableError.



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# File 'lib/pg-verify/model/validation/errors.rb', line 43

def initialize(assigned_variable, assignment_expression, var_set)
    @assigned_variable, @assignment_expression, @var_set = assigned_variable, assignment_expression, var_set
end

Instance Method Details

#formatted ⇒ Object 



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# File 'lib/pg-verify/model/validation/errors.rb', line 46

def formatted()
    title = "Unknown variable '#{@assigned_variable}'"
    
    body = []
    body << @assignment_expression.source_location.to_s.c_sidenote
    body << @assignment_expression.source_location.render_code_block()
    body << ""
    body << "The expression '#{@assignment_expression.to_s.c_expression}' uses variable #{@assigned_variable.to_s.c_var}."
    body << "However there is no such variable in the context of this model."
    body << "Known variables: #{@var_set.names.map(&:to_s).map(&:c_var).join(', ')}."
    
    hint = "Declare variables before using them in expressions"
    
    return title, body.join("\n"), hint
end