Module: Build::Makefile::Parser

Defined in:
lib/build/makefile.rb

Constant Summary collapse

SOURCE_PATH = 
/(\\\s|[^\s])+/
SOURCE_SEPARATOR = 
/((:?\\\n|\s|\n)+)/

Class Method Summary collapse

Class Method Details

.parse(scanner) ⇒ Object 



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# File 'lib/build/makefile.rb', line 87

def self.parse(scanner)
  while definition = parse_statement(scanner)
    yield definition
  end
end

.parse_rule(scanner) ⇒ Object 



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# File 'lib/build/makefile.rb', line 60

def self.parse_rule(scanner)
  if scanner.scan(/(.*):/)
    rule = [:rule]
  
    target = scanner[1].strip
    rule << target
  
    # Parse dependencies:
    dependencies = []
    until scanner.scan(/\s*\n/) or scanner.eos?
      scanner.scan(/(\s|\\\n)*/)
    
      scanner.scan(SOURCE_PATH)
      
      # Need to remove escaped whitespace from path:
      dependencies << scanner[0].gsub(/\\ /, ' ')
    end
    rule << dependencies
  
    return rule
  end
end

.parse_statement(scanner) ⇒ Object 



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# File 'lib/build/makefile.rb', line 83

def self.parse_statement(scanner)
  parse_rule(scanner)
end