Class: MetaParse::FunctionMatcher

Inherits:
Matcher show all
Includes:
MetaParse
Defined in:
lib/meta_parse.rb

Overview

Arbitrary predicate, particularly useful for generating final return value from SequentialMatchers. Context is the containing matcher, and in the case of SequentialMatcher includes access to accumulated matches.

Instance Attribute Summary

Attributes inherited from Matcher

#spec

Instance Method Summary collapse

Methods included from MetaParse

#all_matches, #all_matches_joined, #collapse, included, #join_strings, #parse_with_method

Methods inherited from Matcher

compile, #initialize, #inspect, #m, #m?, #match, #show, #stateful

Constructor Details

This class inherits a constructor from MetaParse::Matcher

Instance Method Details

#match?(scanner, context = nil) ⇒ Boolean

Returns:

  • (Boolean) 


291
292
293
294
295
296
297
298
 
# File 'lib/meta_parse.rb', line 291

def match?(scanner, context=nil)
  case spec
  when Proc
    spec.call(scanner, context)
  when Symbol
    scanner.parser.send spec, scanner, context
  end
end