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Contents
module WLang
class Compiler
class ToRubyCode < Temple::Generator
define_options [:idgen, :myid]
class IdGen
def initialize; @current = 0; end
def next; @current += 1; end
def to_s; @current.to_s; end
end
def idgen
options[:idgen] ? options[:idgen] : (@idgen ||= IdGen.new)
end
def myid
options[:myid] || 0
end
def call(x)
compile(x)
end
def on_template(fn)
call(fn)
end
def on_dispatch(meth, *procs)
procs = procs.map{|p| call(p)}.join(', ')
"d#{myid}.#{meth}(b#{myid}, #{procs})"
end
def on_arg(code)
code.inspect
end
def on_modulo(dialect, fn)
if fn.first == :arg
call(fn)
else
id = idgen.next
code = call(fn)
"Proc.new{|d#{id},b#{id}| #{code}.call(#{dialect}.new(d#{id}.options, d#{id}.template), b#{id}) }"
end
end
def on_proc(code)
id = idgen.next
gen = ToRubyCode.new(:buffer => "b#{id}", :idgen => idgen, :myid => id)
code = gen.call(code)
"Proc.new{|d#{id},b#{id}| #{code} }"
end
end # class ToRubyCode
end # class Compiler
end # module WLang
Version data entries
6 entries across 6 versions & 1 rubygems