Class: BlifUtils::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/blifutils/parser.rb

Class Method Summary collapse

Class Method Details

.parse(fileName, quiet: false) ⇒ Object 



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# File 'lib/blifutils/parser.rb', line 116

def self.parse (fileName, quiet: false)
	processedFileNames = []
	ast = self.parse_recursive(File.expand_path(fileName), processedFileNames, quiet)
	return ast
end

.parse_string(str, quiet: false) ⇒ Object 



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# File 'lib/blifutils/parser.rb', line 123

def self.parse_string (str, quiet: false)
	lexems = BlifUtils::Language::Lexer::lex(str)

	begin
		ast = BlifUtils::Language::Parser::parse(lexems)
	rescue RLTK::NotInLanguage => e
		print_parse_error(e.current, 'String not in grammar.')
	rescue RLTK::BadToken => e
		print_parse_error(e.faultyToken, "Unexpected token: \"#{e.faultyToken.type.to_s}\". Token not present in grammar definition.")
	end

	# Delete file references from the AST
	ast.modelList.delete_if do |elem| 
		if elem.kind_of?(BlifUtils::AST::SubfileReference) then
			STDERR.puts "WARNING: Ignoring \".search #{elem.fileName}\"" unless quiet
			true
		else
			false
		end
	end

	ast.modelList.each do |model|
		model.commands.delete_if do |com| 
			if com.kind_of?(BlifUtils::AST::SubfileReference) then
				STDERR.puts "WARNING: Ignoring \".search #{com.fileName}\"" unless quiet
				true
			else
				false
			end
		end
	end

	return ast
end