Exception: WLang::EvalError

Inherits:

Error

• Object
• StandardError
• Error
• WLang::EvalError

show all

Defined in:

lib/wlang/errors.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) expression

  The expression whose evaluation failed.

Attributes inherited from Error

#cause, #parser_state

Instance Method Summary (collapse)

• - (EvalError) initialize(msg = nil, parser_state = nil, expression = nil, cause = nil) constructor

  Creates an error instance with an optional expression that failed.

• - (Object) to_s

Methods inherited from Error

#wlang_backtrace

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# File 'lib/wlang/errors.rb', line 40

def initialize(msg = nil, parser_state = nil, expression = nil, cause = nil)
  super(msg, parser_state, cause)
  @expression = expression
end

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# File 'lib/wlang/errors.rb', line 36

def expression
  @expression
end

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# File 'lib/wlang/errors.rb', line 45

def to_s
  "Evaluation of #{@expression} failed, #{@cause ? @cause.message : ''}"
end