compiler: move compilation stuff from modelbuilder to the compiler
[nit.git] / src / compiler / separate_compiler.nit
index 491ebfe..c298f93 100644 (file)
@@ -90,12 +90,55 @@ redef class ModelBuilder
                self.toolcontext.info("*** GENERATING C ***", 1)
 
                var compiler = new SeparateCompiler(mainmodule, self, runtime_type_analysis)
+               compiler.do_compilation
+               compiler.display_stats
+
+               var time1 = get_time
+               self.toolcontext.info("*** END GENERATING C: {time1-time0} ***", 2)
+               write_and_make(compiler)
+       end
+
+       # Count number of invocations by VFT
+       private var nb_invok_by_tables = 0
+       # Count number of invocations by direct call
+       private var nb_invok_by_direct = 0
+       # Count number of invocations by inlining
+       private var nb_invok_by_inline = 0
+end
+
+# Singleton that store the knowledge about the separate compilation process
+class SeparateCompiler
+       super AbstractCompiler
+
+       redef type VISITOR: SeparateCompilerVisitor
+
+       # The result of the RTA (used to know live types and methods)
+       var runtime_type_analysis: nullable RapidTypeAnalysis
+
+       private var undead_types: Set[MType] = new HashSet[MType]
+       private var live_unresolved_types: Map[MClassDef, Set[MType]] = new HashMap[MClassDef, HashSet[MType]]
+
+       private var type_ids: Map[MType, Int] is noinit
+       private var type_colors: Map[MType, Int] is noinit
+       private var opentype_colors: Map[MType, Int] is noinit
+       protected var method_colors: Map[PropertyLayoutElement, Int] is noinit
+       protected var attr_colors: Map[MAttribute, Int] is noinit
+
+       init do
+               var file = new_file("nit.common")
+               self.header = new CodeWriter(file)
+               self.compile_box_kinds
+       end
+
+       redef fun do_compilation
+       do
+               var compiler = self
                compiler.compile_header
 
                var c_name = mainmodule.c_name
 
                # compile class structures
-               self.toolcontext.info("Property coloring", 2)
+               modelbuilder.toolcontext.info("Property coloring", 2)
                compiler.new_file("{c_name}.classes")
                compiler.do_property_coloring
                for m in mainmodule.in_importation.greaters do
@@ -113,14 +156,22 @@ redef class ModelBuilder
 
                # compile methods
                for m in mainmodule.in_importation.greaters do
-                       self.toolcontext.info("Generate C for module {m.full_name}", 2)
+                       modelbuilder.toolcontext.info("Generate C for module {m.full_name}", 2)
                        compiler.new_file("{m.c_name}.sep")
                        compiler.compile_module_to_c(m)
                end
 
                # compile live & cast type structures
-               self.toolcontext.info("Type coloring", 2)
+               modelbuilder.toolcontext.info("Type coloring", 2)
                compiler.new_file("{c_name}.types")
+               compiler.compile_types
+       end
+
+       # Color and compile type structures and cast information
+       fun compile_types
+       do
+               var compiler = self
+
                var mtypes = compiler.do_type_coloring
                for t in mtypes do
                        compiler.compile_type_to_c(t)
@@ -131,43 +182,6 @@ redef class ModelBuilder
                        compiler.compile_type_to_c(t)
                end
 
-               compiler.display_stats
-
-               var time1 = get_time
-               self.toolcontext.info("*** END GENERATING C: {time1-time0} ***", 2)
-               write_and_make(compiler)
-       end
-
-       # Count number of invocations by VFT
-       private var nb_invok_by_tables = 0
-       # Count number of invocations by direct call
-       private var nb_invok_by_direct = 0
-       # Count number of invocations by inlining
-       private var nb_invok_by_inline = 0
-end
-
-# Singleton that store the knowledge about the separate compilation process
-class SeparateCompiler
-       super AbstractCompiler
-
-       redef type VISITOR: SeparateCompilerVisitor
-
-       # The result of the RTA (used to know live types and methods)
-       var runtime_type_analysis: nullable RapidTypeAnalysis
-
-       private var undead_types: Set[MType] = new HashSet[MType]
-       private var live_unresolved_types: Map[MClassDef, Set[MType]] = new HashMap[MClassDef, HashSet[MType]]
-
-       private var type_ids: Map[MType, Int] is noinit
-       private var type_colors: Map[MType, Int] is noinit
-       private var opentype_colors: Map[MType, Int] is noinit
-       protected var method_colors: Map[PropertyLayoutElement, Int] is noinit
-       protected var attr_colors: Map[MAttribute, Int] is noinit
-
-       init do
-               var file = new_file("nit.common")
-               self.header = new CodeWriter(file)
-               self.compile_box_kinds
        end
 
        redef fun compile_header_structs do
@@ -418,13 +432,12 @@ class SeparateCompiler
                var live_cast_types = runtime_type_analysis.live_cast_types
                var mtypes = new HashSet[MType]
                mtypes.add_all(live_types)
-               mtypes.add_all(live_cast_types)
                for c in self.box_kinds.keys do
                        mtypes.add(c.mclass_type)
                end
 
                # Compute colors
-               var poset = poset_from_mtypes(mtypes)
+               var poset = poset_from_mtypes(mtypes, live_cast_types)
                var colorer = new POSetColorer[MType]
                colorer.colorize(poset)
                type_ids = colorer.ids
@@ -437,12 +450,13 @@ class SeparateCompiler
                return poset
        end
 
-       private fun poset_from_mtypes(mtypes: Set[MType]): POSet[MType] do
+       private fun poset_from_mtypes(mtypes, cast_types: Set[MType]): POSet[MType] do
                var poset = new POSet[MType]
                for e in mtypes do
                        poset.add_node(e)
-                       for o in mtypes do
+                       for o in cast_types do
                                if e == o then continue
+                               poset.add_node(o)
                                if e.is_subtype(mainmodule, null, o) then
                                        poset.add_edge(e, o)
                                end