benchs: add pep8analisis bench program
[nit.git] / src / separate_erasure_compiler.nit
index 43227a7..1442af0 100644 (file)
@@ -67,11 +67,8 @@ end
 class SeparateErasureCompiler
        super SeparateCompiler
 
-       private var class_layout: nullable TypingLayout[MClass]
-       private var class_tables: Map[MClass, Array[nullable MClass]]
-
-       protected var vt_layout: nullable PropertyLayout[MVirtualTypeProp]
-       protected var vt_tables: Map[MClass, Array[nullable MPropDef]]
+       private var class_layout: nullable Layout[MClass]
+       protected var vt_layout: nullable Layout[MVirtualTypeProp]
 
        init(mainmodule: MModule, mmbuilder: ModelBuilder, runtime_type_analysis: RapidTypeAnalysis) do
                super
@@ -80,28 +77,26 @@ class SeparateErasureCompiler
 
                var layout_builder: TypingLayoutBuilder[MClass]
                if modelbuilder.toolcontext.opt_phmod_typing.value then
-                       layout_builder = new PHClassLayoutBuilder(mainmodule, new PHModOperator)
-                       self.header.add_decl("#define HASH(mask, id) ((mask)%(id))")
+                       layout_builder = new MClassHasher(new PHModOperator, mainmodule)
                else if modelbuilder.toolcontext.opt_phand_typing.value then
-                       layout_builder = new PHClassLayoutBuilder(mainmodule, new PHAndOperator)
-                       self.header.add_decl("#define HASH(mask, id) ((mask)&(id))")
+                       layout_builder = new MClassHasher(new PHAndOperator, mainmodule)
                else if modelbuilder.toolcontext.opt_bm_typing.value then
-                       layout_builder = new BMClassLayoutBuilder(mainmodule)
+                       layout_builder = new MClassBMizer(mainmodule)
                else
-                       layout_builder = new CLClassLayoutBuilder(mainmodule)
+                       layout_builder = new MClassColorer(mainmodule)
                end
                self.class_layout = layout_builder.build_layout(mclasses)
                self.class_tables = self.build_class_typing_tables(mclasses)
 
                # vt coloration
-               var vt_coloring = new CLPropertyLayoutBuilder[MVirtualTypeProp](mainmodule)
+               var vt_coloring = new MVirtualTypePropColorer(mainmodule)
                var vt_layout = vt_coloring.build_layout(mclasses)
                self.vt_tables = build_vt_tables(mclasses, vt_layout)
                self.compile_color_consts(vt_layout.pos)
                self.vt_layout = vt_layout
        end
 
-       fun build_vt_tables(mclasses: Set[MClass], layout: PropertyLayout[MProperty]): Map[MClass, Array[nullable MPropDef]] do
+       fun build_vt_tables(mclasses: Set[MClass], layout: Layout[MProperty]): Map[MClass, Array[nullable MPropDef]] do
                var tables = new HashMap[MClass, Array[nullable MPropDef]]
                for mclass in mclasses do
                        var table = new Array[nullable MPropDef]
@@ -156,7 +151,7 @@ class SeparateErasureCompiler
                        supers.add(mclass)
                        for sup in supers do
                                var color: Int
-                               if layout isa PHTypingLayout[MClass] then
+                               if layout isa PHLayout[MClass, MClass] then
                                        color = layout.hashes[mclass][sup]
                                else
                                        color = layout.pos[sup]
@@ -180,12 +175,18 @@ class SeparateErasureCompiler
                self.header.add_decl("struct type_table \{ int size; int table[1]; \}; /* colorized type table. */")
                self.header.add_decl("struct vts_entry \{ short int is_nullable; struct class *class; \}; /* link (nullable or not) between the vts and is bound. */")
 
-               if self.vt_layout isa PHPropertyLayoutBuilder[MVirtualTypeProp] then
+               if self.vt_layout isa PHLayout[MClass, MVirtualTypeProp] then
                        self.header.add_decl("struct vts_table \{ int mask; struct vts_entry vts[1]; \}; /* vts list of a C type representation. */")
                else
                        self.header.add_decl("struct vts_table \{ struct vts_entry vts[1]; \}; /* vts list of a C type representation. */")
                end
 
+               if modelbuilder.toolcontext.opt_phmod_typing.value then
+                       self.header.add_decl("#define HASH(mask, id) ((mask)%(id))")
+               else if modelbuilder.toolcontext.opt_phand_typing.value then
+                       self.header.add_decl("#define HASH(mask, id) ((mask)&(id))")
+               end
+
                self.header.add_decl("typedef struct val \{ struct class *class; nitattribute_t attrs[1]; \} val; /* general C type representing a Nit instance. */")
        end
 
@@ -200,10 +201,6 @@ class SeparateErasureCompiler
                var v = self.new_visitor
 
                v.add_decl("/* runtime class {c_name} */")
-               var idnum = classids.length
-               var idname = "ID_" + c_name
-               self.classids[mtype] = idname
-               #self.header.add_decl("#define {idname} {idnum} /* {c_name} */")
 
                self.header.add_decl("extern const struct class_{c_name} class_{c_name};")
                self.header.add_decl("struct class_{c_name} \{")
@@ -222,7 +219,7 @@ class SeparateErasureCompiler
                v.add_decl("\"{mclass.name}\", /* class_name_string */")
                v.add_decl("{self.box_kind_of(mclass)}, /* box_kind */")
                var layout = self.class_layout
-               if layout isa PHTypingLayout[MClass] then
+               if layout isa PHLayout[MClass, MClass] then
                        v.add_decl("{layout.masks[mclass]},")
                else
                        v.add_decl("{layout.pos[mclass]},")
@@ -333,7 +330,7 @@ class SeparateErasureCompiler
 
                self.header.add_decl("extern const struct vts_table_{mclass.c_name} vts_table_{mclass.c_name};")
                self.header.add_decl("struct vts_table_{mclass.c_name} \{")
-               if self.vt_layout isa PHPropertyLayoutBuilder[MVirtualTypeProp] then
+               if self.vt_layout isa PHLayout[MClass, MVirtualTypeProp] then
                        self.header.add_decl("int mask;")
                end
                self.header.add_decl("struct vts_entry vts[{self.vt_tables[mclass].length}];")
@@ -341,7 +338,7 @@ class SeparateErasureCompiler
 
                var v = new_visitor
                v.add_decl("const struct vts_table_{mclass.c_name} vts_table_{mclass.c_name} = \{")
-               if self.vt_layout isa PHPropertyLayoutBuilder[MVirtualTypeProp] then
+               if self.vt_layout isa PHLayout[MClass, MVirtualTypeProp] then
                        #TODO redo this when PHPropertyLayoutBuilder will be implemented
                        #v.add_decl("{vt_masks[mclass]},")
                end
@@ -383,26 +380,50 @@ class SeparateErasureCompiler
 
        # Stats
 
+       private var class_tables: Map[MClass, Array[nullable MClass]]
+       private var vt_tables: Map[MClass, Array[nullable MPropDef]]
+
        redef fun display_sizes
        do
-               print "# size of tables"
-               print "\trs size\trs hole\tst size\tst hole"
-               var rt_table = 0
-               var rt_holes = 0
-               var st_table = 0
-               var st_holes = 0
-               var rtables = vt_tables
-               for unanch, table in rtables do
-                       rt_table += table.length
-                       for e in table do if e == null then rt_holes += 1
-               end
-
-               var ttables = class_tables
-               for t, table in ttables do
-                       st_table += table.length
-                       for e in table do if e == null then st_holes += 1
-               end
-               print "\t{rt_table}\t{rt_holes}\t{st_table}\t{st_holes}"
+               print "# size of subtyping tables"
+               print "\ttotal \tholes"
+               var total = 0
+               var holes = 0
+               for t, table in class_tables do
+                       total += table.length
+                       for e in table do if e == null then holes += 1
+               end
+               print "\t{total}\t{holes}"
+
+               print "# size of resolution tables"
+               print "\ttotal \tholes"
+               total = 0
+               holes = 0
+               for t, table in vt_tables do
+                       total += table.length
+                       for e in table do if e == null then holes += 1
+               end
+               print "\t{total}\t{holes}"
+
+               print "# size of methods tables"
+               print "\ttotal \tholes"
+               total = 0
+               holes = 0
+               for t, table in method_tables do
+                       total += table.length
+                       for e in table do if e == null then holes += 1
+               end
+               print "\t{total}\t{holes}"
+
+               print "# size of attributes tables"
+               print "\ttotal \tholes"
+               total = 0
+               holes = 0
+               for t, table in attr_tables do
+                       total += table.length
+                       for e in table do if e == null then holes += 1
+               end
+               print "\t{total}\t{holes}"
        end
 end
 
@@ -492,7 +513,7 @@ class SeparateErasureCompilerVisitor
                        end
                        var entry = self.get_name("entry")
                        self.add("struct vts_entry {entry};")
-                       if self.compiler.as(SeparateErasureCompiler).vt_layout isa PHPropertyLayoutBuilder[MVirtualTypeProp] then
+                       if self.compiler.as(SeparateErasureCompiler).vt_layout isa PHLayout[MClass, MVirtualTypeProp] then
                                self.add("{entry} = {recv_ptr}vts_table->vts[HASH({recv_ptr}vts_table->mask, {mtype.mproperty.const_color})];")
                        else
                                self.add("{entry} = {recv_ptr}vts_table->vts[{mtype.mproperty.const_color}];")
@@ -520,7 +541,7 @@ class SeparateErasureCompilerVisitor
                        self.add("{res} = {accept_null};")
                        self.add("\} else \{")
                end
-               if self.compiler.as(SeparateErasureCompiler).vt_layout isa PHPropertyLayoutBuilder[MVirtualTypeProp] then
+               if self.compiler.as(SeparateErasureCompiler).class_layout isa PHLayout[MClass, MClass] then
                        self.add("{cltype} = HASH({class_ptr}color, {idtype});")
                end
                self.add("if({cltype} >= {class_ptr}type_table->size) \{")