44 lines
1.6 KiB
Ruby
44 lines
1.6 KiB
Ruby
module Haml
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# The abstract type of exception raised by Haml code.
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# Haml::SyntaxError includes this module,
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# as do all exceptions raised by Ruby code within Haml.
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#
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# Haml::Error encapsulates information about the exception,
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# such as the line of the Haml template it was raised on
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# and the Haml file that was being parsed (if applicable).
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# It also provides a handy way to rescue only exceptions raised
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# because of a faulty template.
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module Error
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# The line of the Haml template on which the exception was thrown.
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attr_reader :haml_line
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# The name of the file that was being parsed when the exception was raised.
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# This will be nil unless Haml is being used as an ActionView plugin.
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attr_reader :haml_filename
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# Adds a properly formatted entry to the exception's backtrace.
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# +lineno+ should be the line on which the error occurred.
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# +filename+ should be the file in which the error occurred,
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# if applicable (defaults to "(haml)").
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def add_backtrace_entry(lineno, filename = nil) # :nodoc:
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@haml_line = lineno
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@haml_filename = filename
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self.backtrace ||= []
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self.backtrace.unshift "#{filename || '(haml)'}:#{lineno}"
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end
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end
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# SyntaxError is the type of exception raised when Haml encounters an
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# ill-formatted document.
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# It's not particularly interesting, except in that it includes Haml::Error.
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class SyntaxError < StandardError
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include Haml::Error
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end
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# HamlError is the type of exception raised when Haml encounters an error
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# not of a syntactical nature, such as an undefined Filter.
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class HamlError < StandardError
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include Haml::Error
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end
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end
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