src/nitc.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2008 Jean Privat <jean@pryen.org>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Nit compiler main module
  18 package nitc
  19
  20 import abstracttool
  21 private import compiling
  22
  23 # The main class of the nitcompiler program
  24 class NitCompiler
  25 special AbstractCompiler
  26         readable attr _opt_output: OptionString = new OptionString("Output file", "-o", "--output")
  27         readable attr _opt_boost: OptionBool = new OptionBool("Optimize compilation", "-O", "--boost")
  28         readable attr _opt_no_cc: OptionBool = new OptionBool("Do not invoke C compiler", "--no_cc")
  29         readable attr _opt_attr_sim: OptionBool = new OptionBool("Use attribute simulation", "--attr-sim")
  30         readable attr _opt_global: OptionBool = new OptionBool("Use global compilation", "--global")
  31         readable attr _opt_clibdir: OptionString = new OptionString("NIT C library directory", "--clibdir")
  32         readable attr _opt_bindir: OptionString = new OptionString("NIT tools directory", "--bindir")
  33         readable attr _opt_compdir: OptionString = new OptionString("Intermediate compilation directory", "--compdir")
  34         readable attr _opt_extension_prefix: OptionString = new OptionString("Append prefix to file extension", "-p", "--extension-prefix")
  35
  36         init
  37         do
  38                 super
  39                 option_context.add_option(opt_output, opt_boost, opt_no_cc, opt_attr_sim, opt_global, opt_clibdir, opt_bindir, opt_compdir, opt_extension_prefix)
  40         end
  41
  42         redef meth process_options
  43         do
  44                 super
  45                 output_file = opt_output.value
  46                 boost = opt_boost.value
  47                 no_cc = opt_no_cc.value
  48                 ext_prefix = opt_extension_prefix.value
  49                 if ext_prefix == null then ext_prefix = ""
  50                 attr_sim = opt_attr_sim.value
  51                 global = opt_global.value
  52                 compdir = opt_compdir.value
  53                 if compdir == null then
  54                         var dir = once ("NIT_COMPDIR".to_symbol).environ
  55                         if not dir.is_empty then
  56                                 compdir = dir
  57                         end
  58                         if compdir == null then
  59                                 compdir = ".nit_compile"
  60                         end
  61                 end
  62
  63                 clibdir = opt_clibdir.value
  64                 if clibdir == null then
  65                         var dir = once ("NIT_DIR".to_symbol).environ
  66                         if dir.is_empty then
  67                                 var dir = "{sys.program_name.dirname}/../lib"
  68                                 if dir.file_exists then clibdir = dir
  69                         else
  70                                 dir = "{dir}/lib"
  71                                 if dir.file_exists then clibdir = dir
  72                         end
  73                         if clibdir == null then
  74                                 error("Error: Cannot locate NIT C library directory. Uses --clibdir or envvar NIT_DIR.")
  75                                 exit(1)
  76                         end
  77                 end
  78                 bindir = opt_bindir.value
  79
  80                 if bindir == null then
  81                         var dir = once ("NIT_DIR".to_symbol).environ
  82                         if dir.is_empty then
  83                                 var dir = "{sys.program_name.dirname}/../bin"
  84                                 if dir.file_exists then bindir = dir
  85                         else
  86                                 dir = "{dir}/bin"
  87                                 if dir.file_exists then bindir = dir
  88                         end
  89                         if bindir == null then
  90                                 error("Error: Cannot locate NIT tools directory. Uses --bindir or envvar NIT_DIR.")
  91                                 exit(1)
  92                         end
  93                 end
  94         end
  95
  96         redef meth perform_work(mods)
  97         do
  98                 for mod in mods do
  99                         assert mod isa MMSrcModule
 100                         mod.compile_prog_to_c(self)
 101                 end
 102
 103         end
 104 end
 105
 106 var c = new NitCompiler
 107 c.exec_cmd_line