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|
op_table = {
"!" => "not",
"!=" => "neq",
"!~" => "nmatch",
"%" => "mod",
"&" => "and",
"&&" => "andand",
"*" => "mul",
"**" => "pow",
"+" => "add",
"+@" => "plus",
"-" => "sub",
"-@" => "minus",
"/" => "div",
"<" => "lt",
"<=" => "le",
"<<" => "lshift",
"<=>" => "cmp",
"==" => "eq",
"===" => "eqq",
"=~" => "match",
">" => "gt",
">=" => "ge",
">>" => "rshift",
"[]" => "aref",
"[]=" => "aset",
"^" => "xor",
"`" => "tick",
"|" => "or",
"||" => "oror",
"~" => "neg",
}
macro_to_symbol = {
# Macro Symbol
# [prefix, suffix] => [prefix, suffix]
["CV" , "" ] => ["@@" , "" ],
["IV" , "" ] => ["@" , "" ],
["" , "_B" ] => ["" , "!" ],
["" , "_Q" ] => ["" , "?" ],
["" , "_E" ] => ["" , "=" ],
["" , "" ] => ["" , "" ],
}
core_cfiles = Dir.glob("#{MRUBY_ROOT}/src/*.c")
core_rbfiles = Dir.glob("#{MRUBY_ROOT}/mrblib/*.rb")
MRuby.each_target do |build|
cfiles = core_cfiles.dup
rbfiles = core_rbfiles.dup
psfiles = []
presym_file = build.presym_file
presym_inc = build.presym_inc
build.compilers.each {|c| c.include_paths << "#{build.build_dir}/include"}
build.gems.each do |gem|
cfiles.concat(Dir.glob(gem.dir+"/{src,core,tools/*}/*.c"))
if gem.cdump?
rbfiles.concat(gem.rbfiles)
psfiles.concat(Dir.glob(gem.dir+"/**/presym"))
end
gem.compilers.each {|c| c.include_paths << "#{build.build_dir}/include"}
end
file presym_file => [*cfiles, *rbfiles, *psfiles, __FILE__] do
prefix_re = Regexp.union(*macro_to_symbol.keys.uniq.map(&:first))
suffix_re = Regexp.union(*macro_to_symbol.keys.uniq.map(&:last))
macro_re = /MRB_(#{prefix_re})SYM(#{suffix_re})\((\w+)\)/o
csymbols = cfiles.map do |f|
src = File.read(f)
src.gsub!(/\/\/.+(\n|$)/, "\n")
[src.scan(/intern_lit\([^\n"]*"([^\n "]*)"/),
src.scan(/mrb_define_method\([^\n"]*"([^\n"]*)"/),
src.scan(/mrb_define_class_method\([^\n"]*"([^\n"]*)"/),
src.scan(/mrb_define_class\([^\n"]*"([^\n"]*)"/),
src.scan(/mrb_define_module\([^\n"]*"([^\n"]*)"/),
src.scan(/mrb_define_module_function\([^\n"]*"([^\n"]*)"/),
src.scan(/mrb_define_const\([^\n"]*"([^\n"]*)"/),
src.scan(/mrb_define_global_const\([^\n"]*"([^\n"]*)"/),
src.scan(macro_re).map{|prefix, suffix, name|
macro_to_symbol[[prefix, suffix]] * name
}]
end
csymbols += File.readlines("#{MRUBY_ROOT}/include/mruby.h").grep(/define E_/).join.scan(/MRB_SYM\((\w+)\)/)
rbsymbols = rbfiles.map do |f|
src = File.read(f)
src.force_encoding(Encoding::BINARY)
[src.scan(/\bclass +([A-Z]\w*)/),
src.scan(/\bmodule +([A-Z]\w*)/),
src.scan(/\bdef +(\w+[!?=]?)/),
src.scan(/\balias +(\w+[!?]?)/),
src.scan(/\b([A-Z]\w*) *=[^=]/),
src.scan(/(\$[a-zA-Z_]\w*)/),
src.scan(/(\$[$!?0-9]\w*)/),
src.scan(/(@@?[a-zA-Z_]\w*)/),
src.scan(/[^.]\.([a-zA-Z_]\w*[!?]?)/),
src.scan(/\.([a-zA-Z_]\w* *=)/).map{|x|x.map{|s|s.gsub(' ', '')}},
src.scan(/\b([a-zA-Z_]\w*):/),
src.scan(/:([a-zA-Z_]\w*[!?=]?)/),
src.scan(/[\(\[\{ ]:"([^"]+)"/).map{|x|x.map{|s|s.gsub('\#', '#')}},
src.scan(/[ \(\[\{]:'([^']+)'/)
]
end
symbols = [csymbols, rbsymbols, op_table.keys, psfiles.map{|file| symbols.concat(File.readlines(file).grep_v(/^# /))}]
symbols = symbols.flatten.compact.uniq.grep_v(/#/).map{|x| x.gsub("\n", '\n')}.sort_by!{|x| [x.bytesize, x]}
presyms = File.readlines(presym_file) rescue []
presyms.each{|x| x.chomp!}
if presyms != symbols
_pp "GEN", presym_file.relative_path
mkdir_p(File.dirname(presym_file))
File.write(presym_file, symbols.join("\n"))
Rake::Task["gensym:#{presym_inc}"].invoke
end
end
task "gensym:#{presym_inc}" do
presyms = File.readlines(presym_file)
presyms.each{|x| x.chomp!}
symbol_to_macro = macro_to_symbol.invert
prefix_re = Regexp.union(*symbol_to_macro.keys.uniq.map(&:first))
suffix_re = Regexp.union(*symbol_to_macro.keys.uniq.map(&:last))
macro_re = /\A(#{prefix_re})?([\w&&\D]\w*)(#{suffix_re})?\z/o
mkdir_p(File.dirname(presym_inc))
_pp "GEN", presym_inc.relative_path
File.open(presym_inc, "w") do |f|
f.puts "/* MRB_PRESYM_NAMED(lit, num, type, name) */"
f.puts "/* MRB_PRESYM_UNNAMED(lit, num) */"
presyms.each.with_index(1) do |sym, num|
if macro_re =~ sym && (affixes = symbol_to_macro[[$1, $3]])
f.puts %|MRB_PRESYM_NAMED("#{sym}", #{num}, #{affixes * 'SYM'}, #{$2})|
elsif name = op_table[sym]
f.puts %|MRB_PRESYM_NAMED("#{sym}", #{num}, OPSYM, #{name})|
elsif
f.puts %|MRB_PRESYM_UNNAMED("#{sym}", #{num})|
end
end
f.print "#define MRB_PRESYM_MAX #{presyms.size}"
end
end
end
|
