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_global: OptionBool = new OptionBool("Use global compilation", "--global")
  30         readable attr _opt_clibdir: OptionString = new OptionString("NIT C library directory", "--clibdir")
  31         readable attr _opt_bindir: OptionString = new OptionString("NIT tools directory", "--bindir")
  32         readable attr _opt_compdir: OptionString = new OptionString("Intermediate compilation directory", "--compdir")
  33         readable attr _opt_extension_prefix: OptionString = new OptionString("Append prefix to file extension", "-p", "--extension-prefix")
  34
  35         init
  36         do
  37                 super
  38                 option_context.add_option(opt_output, opt_boost, opt_no_cc, opt_global, opt_clibdir, opt_bindir, opt_compdir, opt_extension_prefix)
  39         end
  40
  41         redef meth process_options
  42         do
  43                 super
  44                 output_file = opt_output.value
  45                 boost = opt_boost.value
  46                 no_cc = opt_no_cc.value
  47                 var ext = opt_extension_prefix.value
  48                 if ext != null then ext_prefix = ext else ext_prefix = ""
  49                 global = opt_global.value
  50                 compdir = opt_compdir.value
  51                 if compdir == null then
  52                         var dir = once ("NIT_COMPDIR".to_symbol).environ
  53                         if not dir.is_empty then
  54                                 compdir = dir
  55                         end
  56                         if compdir == null then
  57                                 compdir = ".nit_compile"
  58                         end
  59                 end
  60                 compdir += ext_prefix
  61
  62                 clibdir = opt_clibdir.value
  63                 if clibdir == null then
  64                         var dir = once ("NIT_DIR".to_symbol).environ
  65                         if dir.is_empty then
  66                                 var dir = "{sys.program_name.dirname}/../lib"
  67                                 if dir.file_exists then clibdir = dir
  68                         else
  69                                 dir = "{dir}/lib"
  70                                 if dir.file_exists then clibdir = dir
  71                         end
  72                         if clibdir == null then
  73                                 error("Error: Cannot locate NIT C library directory. Uses --clibdir or envvar NIT_DIR.")
  74                                 exit(1)
  75                         end
  76                 end
  77                 bindir = opt_bindir.value
  78
  79                 if bindir == null then
  80                         var dir = once ("NIT_DIR".to_symbol).environ
  81                         if dir.is_empty then
  82                                 var dir = "{sys.program_name.dirname}/../bin"
  83                                 if dir.file_exists then bindir = dir
  84                         else
  85                                 dir = "{dir}/bin"
  86                                 if dir.file_exists then bindir = dir
  87                         end
  88                         if bindir == null then
  89                                 error("Error: Cannot locate NIT tools directory. Uses --bindir or envvar NIT_DIR.")
  90                                 exit(1)
  91                         end
  92                 end
  93         end
  94
  95         redef meth perform_work(mods)
  96         do
  97                 for mod in mods do
  98                         assert mod isa MMSrcModule
  99                         mod.compile_prog_to_c(self)
 100                 end
 101
 102         end
 103 end
 104
 105 var c = new NitCompiler
 106 c.exec_cmd_line