Merge: doc: fixed some typos and other misc. corrections
[nit.git] / src / nitc.nit
index a04886a..83f9de3 100644 (file)
@@ -1,6 +1,6 @@
 # This file is part of NIT ( http://www.nitlanguage.org ).
 #
-# Copyright 2008 Jean Privat <jean@pryen.org>
+# Copyright 2012 Jean Privat <jean@pryen.org>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Nit compiler main module
-package nitc
+# A Nit compiler
+module nitc
 
-import abstracttool
-import analysis
-import program
-private import compiling
-private import syntax
+import frontend::code_gen
+import compiler
+import transform
 
-# The main class of the nitcompiler program
-class NitCompiler
-special AbstractCompiler
-       readable var _opt_output: OptionString = new OptionString("Output file", "-o", "--output")
-       readable var _opt_boost: OptionBool = new OptionBool("Optimize compilation", "-O", "--boost")
-       readable var _opt_no_cc: OptionBool = new OptionBool("Do not invoke C compiler", "--no-cc")
-       readable var _opt_global: OptionBool = new OptionBool("Use global compilation", "--global")
-       readable var _opt_global_no_STF_opt: OptionBool = new OptionBool("Do not use SFT optimization", "--no-global-SFT-optimization")
-       readable var _opt_global_no_DMR_opt: OptionBool = new OptionBool("Do not use dead method removal optimization", "--no-global-DMR-optimization")
-       readable var _opt_global_no_inline_get_set: OptionBool = new OptionBool("Do not automatically inline getters/setters", "--no-global-get-set-inlining")
-       readable var _opt_global_no_out_of_init_get_test_opt: OptionBool = new OptionBool("Do not remove get tests outside object initialization", "--no-global-OOIT-optimization")
-       readable var _opt_global_no_RFIMA: OptionBool = new OptionBool("Do not use a specialized algorithm to find reachable methods from initializers", "--no-global-RFIM-analysis")
-       readable var _opt_global_callgraph: OptionEnum = new OptionEnum(["none", "cha", "rta"], "The algorithm to use to build the callgraph", 2, "--global-callgraph")
-       readable var _opt_clibdir: OptionString = new OptionString("NIT C library directory", "--clibdir")
-       readable var _opt_bindir: OptionString = new OptionString("NIT tools directory", "--bindir")
-       readable var _opt_compdir: OptionString = new OptionString("Intermediate compilation directory", "--compdir")
-       readable var _opt_extension_prefix: OptionString = new OptionString("Append prefix to file extension", "-p", "--extension-prefix")
-       readable var _opt_output_format: OptionEnum = new OptionEnum(["none", "C", "icode"], "The type of code we want to be generated", 1, "--output-format")
-
-       init
-       do
-               super("nitc")
-               option_context.add_option(opt_output, opt_boost, opt_no_cc, opt_global, opt_clibdir, opt_bindir, opt_compdir, opt_extension_prefix, opt_global_no_STF_opt, opt_global_no_DMR_opt, opt_global_callgraph, opt_global_no_inline_get_set, opt_global_no_RFIMA, opt_global_no_out_of_init_get_test_opt, opt_output_format)
-       end
-
-       redef fun process_options
+redef class ToolContext
+       redef fun process_options(args)
        do
                super
-               output_file = opt_output.value
-               boost = opt_boost.value
-               no_cc = opt_no_cc.value
-               var ext = opt_extension_prefix.value
-               if ext != null then ext_prefix = ext else ext_prefix = ""
-               global = opt_global.value
-               use_SFT_optimization = not opt_global_no_STF_opt.value
-               no_dead_method_removal = opt_global_no_DMR_opt.value
-               no_inline_get_set = opt_global_no_inline_get_set.value
-               no_callgraph_from_init = opt_global_no_RFIMA.value
-               no_out_of_init_get_test_removal = opt_global_no_out_of_init_get_test_opt.value
-               global_callgraph = opt_global_callgraph.value_name
-               compdir = opt_compdir.value
-               if compdir == null then
-                       var dir = once ("NIT_COMPDIR".to_symbol).environ
-                       if not dir.is_empty then 
-                               compdir = dir
-                       end
-                       if compdir == null then
-                               compdir = ".nit_compile"
-                       end
-               end
-               compdir += ext_prefix
-
-               clibdir = opt_clibdir.value
-               if clibdir == null then
-                       var dir = once ("NIT_DIR".to_symbol).environ
-                       if dir.is_empty then 
-                               dir = "{sys.program_name.dirname}/../clib"
-                               if dir.file_exists then clibdir = dir
-                       else
-                               dir = "{dir}/clib"
-                               if dir.file_exists then clibdir = dir
-                       end
-                       if clibdir == null then
-                               fatal_error(null, "Error: Cannot locate NIT C library directory. Uses --clibdir or envvar NIT_DIR.")
-                       end
-               end
-               bindir = opt_bindir.value
-
-               if bindir == null then
-                       var dir = once ("NIT_DIR".to_symbol).environ
-                       if dir.is_empty then 
-                               dir = "{sys.program_name.dirname}/../bin"
-                               if dir.file_exists then bindir = dir
-                       else
-                               dir = "{dir}/bin"
-                               if dir.file_exists then bindir = dir
-                       end
-                       if bindir == null then
-                               fatal_error(null, "Error: Cannot locate NIT tools directory. Uses --bindir or envvar NIT_DIR.")
-                       end
-               end
-       end
 
-       redef fun perform_work(mods)
-       do
-               for mod in mods do
-                       var p = new Program(mod, self)
-                       p.output_format = opt_output_format.value_name
-                       p.compute_main_method
-                       p.generate_allocation_iroutines
-                       if global then
-                               p.do_global_pre_analysis_optimizations
-                               p.do_global_analysis
-                               p.do_global_post_analysis_optimizations
-                               if opt_log.value then
-                                       p.dump_global_optimizations_information(log_directory)
-                                       p.dump_global_analysis_information(log_directory)
-                               end
-                       end
-                       p.do_table_computation
-                       p.compile_prog
+               var sum = opt_global.value.to_i + opt_separate.value.to_i + opt_erasure.value.to_i
+               if sum > 1 then
+                       print "Options --global, --separate and --erasure are exclusive"
+                       exit(1)
+               else if sum == 0 then
+                       # --separate by default
+                       opt_separate.value = true
                end
        end
 end
-
-var c = new NitCompiler
-c.exec_cmd_line