Top Level Namespace

Defined Under Namespace

Modules: Dhallish, DhallishGrammar Classes: AssertionError, DhallError, DhallishGrammarParser

Constant Summary collapse

DIR = 
File.dirname(__FILE__)

Instance Method Summary collapse

Instance Method Details

#assert(msg, &block) ⇒ Object

Raises:



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# File 'lib/utils.rb', line 8

def assert(msg, &block) raise AssertionError, msg unless yield end

#does_cmd_exist?(cmd) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/utils.rb', line 26

def does_cmd_exist?(cmd)
	ENV['PATH'].split(File::PATH_SEPARATOR).each { |path|
		exe = File.join(path, cmd)
		if File.executable?(exe) && !File.directory?(exe)
			return true
		end
	}
	return false
end

#escape_str(str) ⇒ Object 



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# File 'lib/utils.rb', line 22

def escape_str(str)
	str.gsub("\n", "\\n").gsub("\"", "\\\"")
end

#get_new_sym ⇒ Object 



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# File 'lib/utils.rb', line 17

def get_new_sym()
	$dhallish_internal_global_counter += 1
	("__newsym_#{$dhallish_internal_global_counter}").to_sym
end

#resolve_map(map, from_name, to_name) ⇒ Object 



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# File 'lib/utils.rb', line 36

def resolve_map(map, from_name, to_name)
	resmap = {}
	map.each { |key, val|
		reskey = key
		resval = val
		if reskey == from_name; reskey = to_name; end
		if resval == from_name; resval = to_name; end
		resmap[reskey] = resval
	}
	resmap
end