# Compute and generate tables for classes and modules.
package compiling_global
+import table_computation
private import compiling_icode
-# Something that store color of table elements
-class ColorContext
- var _colors: HashMap[TableElt, Int] = new HashMap[TableElt, Int]
-
- # The color of a table element.
- fun color(e: TableElt): Int
- do
- return _colors[e]
- end
-
- # Is a table element already colored?
- fun has_color(e: TableElt): Bool
- do
- return _colors.has_key(e)
- end
-
- # Assign a color to a table element.
- fun color=(e: TableElt, c: Int)
- do
- _colors[e] = c
- var idx = c
- for i in [0..e.length[ do
- _colors[e.item(i)] = idx
- idx = idx + 1
- end
- end
-end
-
-# All information and results of the global analysis.
-class GlobalAnalysis
-special ColorContext
- # Associate global classes to compiled classes
- readable var _compiled_classes: HashMap[MMGlobalClass, CompiledClass] = new HashMap[MMGlobalClass, CompiledClass]
-
- # The main module of the program globally analysed
- readable var _module: MMModule
-
- # FIXME: do something better.
- readable writable var _max_class_table_length: Int = 0
-
- init(module: MMModule)
- do
- _module = module
- end
-end
-
-class GlobalCompilerVisitor
-special CompilerVisitor
- # The global analysis result
- readable var _global_analysis: GlobalAnalysis
- init(m: MMModule, tc: ToolContext, ga: GlobalAnalysis)
- do
- super(m, tc)
- _global_analysis = ga
- end
-end
-
-# A compiled class is a class in a program
-class CompiledClass
-special ColorContext
- # The corresponding local class in the main module of the prgram
- readable var _local_class: MMLocalClass
-
- # The identifier of the class
- readable writable var _id: Int = 0
-
- # The full class table of the class
- readable var _class_table: Array[nullable TableElt] = new Array[nullable TableElt]
-
- # The full instance table of the class
- readable var _instance_table: Array[nullable TableElt] = new Array[nullable TableElt]
-
- # The proper class table part (no superclasses but all refinements)
- readable writable var _class_layout: TableEltComposite = new TableEltComposite(self)
-
- # The proper instance table part (no superclasses but all refinements)
- readable writable var _instance_layout: TableEltComposite = new TableEltComposite(self)
-
- init(c: MMLocalClass) do _local_class = c
-end
-
-redef class MMConcreteClass
- # The table element of the subtype check
- fun class_color_pos: TableEltClassColor do return _class_color_pos.as(not null)
- var _class_color_pos: nullable TableEltClassColor
-
- # The proper local class table part (nor superclasses nor refinments)
- readable var _class_layout: Array[TableElt] = new Array[TableElt]
-
- # The proper local instance table part (nor superclasses nor refinments)
- readable var _instance_layout: Array[TableElt] = new Array[TableElt]
-
- # Build the local layout of the class and feed the module table
- fun build_layout_in(tc: ToolContext, module_table: Array[ModuleTableElt])
- do
- var clt = _class_layout
- var ilt = _instance_layout
-
- if global.intro == self then
- module_table.add(new TableEltClassId(self))
- var cpp = new TableEltClassColor(self)
- _class_color_pos = cpp
- module_table.add(cpp)
- clt.add(new TableEltClassInitTable(self))
- end
- for p in local_local_properties do
- var pg = p.global
- if pg.intro == p then
- if p isa MMAttribute then
- ilt.add(new TableEltAttr(p))
- else if p isa MMMethod then
- clt.add(new TableEltMeth(p))
- end
- end
- if p isa MMMethod and p.need_super then
- clt.add(new TableEltSuper(p))
- end
- end
-
- if not ilt.is_empty then
- var teg = new ModuleTableEltGroup
- teg.elements.append(ilt)
- module_table.add(teg)
- end
-
- if not clt.is_empty then
- var teg = new ModuleTableEltGroup
- teg.elements.append(clt)
- module_table.add(teg)
- end
- end
-end
-
-redef class MMModule
- # The local table of the module (refers things introduced in the module)
- var _local_table: Array[ModuleTableElt] = new Array[ModuleTableElt]
-
- # Builds the local tables and local classes layouts
- fun local_analysis(tc: ToolContext)
- do
- for c in local_classes do
- if c isa MMConcreteClass then
- c.build_layout_in(tc, _local_table)
- end
- end
- end
-
- # Do the complete global analysis
- fun global_analysis(cctx: ToolContext): GlobalAnalysis
- do
- #print "Do the complete global analysis"
- var ga = new GlobalAnalysis(self)
- var smallest_classes = new Array[MMLocalClass]
- var global_properties = new HashSet[MMGlobalProperty]
- var ctab = new Array[TableElt]
- var itab = new Array[TableElt]
-
- ctab.add(new TableEltClassSelfId)
- ctab.add(new TableEltClassObjectSize)
- itab.add(new TableEltVftPointer)
- itab.add(new TableEltObjectId)
-
- var pclassid = -1
- var classid = 3
-
- # We have to work on ALL the classes of the module
- var classes = new Array[MMLocalClass]
- for c in local_classes do
- c.compute_super_classes
- classes.add(c)
- end
- (new ClassSorter).sort(classes)
-
- for c in classes do
- # Finish processing the class (if invisible)
- c.compute_ancestors
- c.inherit_global_properties
-
- # Associate a CompiledClass to the class
- var cc = new CompiledClass(c)
- ga.compiled_classes[c.global] = cc
-
- # Assign a unique class identifier
- # (negative are for primitive classes)
- var gc = c.global
- var bm = gc.module
- if c.primitive_info != null then
- cc.id = pclassid
- pclassid = pclassid - 4
- else
- cc.id = classid
- classid = classid + 4
- end
-
- # Register is the class is a leaf
- if c.cshe.direct_smallers.is_empty then
- smallest_classes.add(c)
- end
-
- # Store the colortableelt in the class table pool
- var bc = c.global.intro
- assert bc isa MMConcreteClass
- ctab.add(bc.class_color_pos)
- end
-
- # Compute core and crown classes for colorization
- var crown_classes = new HashSet[MMLocalClass]
- var core_classes = new HashSet[MMLocalClass]
- for c in smallest_classes do
- while c.cshe.direct_greaters.length == 1 do
- c = c.cshe.direct_greaters.first
- end
- crown_classes.add(c)
- core_classes.add_all(c.cshe.greaters_and_self)
- end
- #print("nbclasses: {classes.length} leaves: {smallest_classes.length} crown: {crown_classes.length} core: {core_classes.length}")
-
- # Colorize core color for typechecks
- colorize(ga, ctab, crown_classes, 0)
-
- # Compute tables for typechecks
- var maxcolor = 0
- for c in classes do
- var cc = ga.compiled_classes[c.global]
- if core_classes.has(c) then
- # For core classes, just build the table
- build_tables_in(cc.class_table, ga, c, ctab)
- if maxcolor < cc.class_table.length then maxcolor = cc.class_table.length
- else
- # For other classes, it's easier: just append to the parent tables
- var sc = c.cshe.direct_greaters.first
- var scc = ga.compiled_classes[sc.global]
- assert cc.class_table.is_empty
- cc.class_table.add_all(scc.class_table)
- var bc = c.global.intro
- assert bc isa MMConcreteClass
- var colpos = bc.class_color_pos
- var colposcolor = cc.class_table.length
- ga.color(colpos) = colposcolor
- cc.class_table.add(colpos)
- if maxcolor < colposcolor then maxcolor = colposcolor
- end
- end
- ga.max_class_table_length = maxcolor + 1
-
- # Fill class table and instance tables pools
- for c in classes do
- var cc = ga.compiled_classes[c.global]
- var cte = cc.class_layout
- var ite = cc.instance_layout
- for sc in c.crhe.greaters_and_self do
- if sc isa MMConcreteClass then
- cte.add(sc, sc.class_layout)
- ite.add(sc, sc.instance_layout)
- end
- end
-
- if core_classes.has(c) then
- if cte.length > 0 then
- ctab.add(cte)
- end
- if ite.length > 0 then
- itab.add(ite)
- end
- end
- end
-
- # Colorize all elements in pools tables
- colorize(ga, ctab, crown_classes, maxcolor+1)
- colorize(ga, itab, crown_classes, 0)
-
- # Build class and instance tables now things are colored
- ga.max_class_table_length = 0
- for c in classes do
- var cc = ga.compiled_classes[c.global]
- if core_classes.has(c) then
- # For core classes, just build the table
- build_tables_in(cc.class_table, ga, c, ctab)
- build_tables_in(cc.instance_table, ga, c, itab)
- else
- # For other classes, it's easier: just append to the parent tables
- var sc = c.cshe.direct_greaters.first
- var scc = ga.compiled_classes[sc.global]
- cc.class_table.clear
- cc.class_table.add_all(scc.class_table)
- var bc = c.global.intro
- assert bc isa MMConcreteClass
- var colpos = bc.class_color_pos
- cc.class_table[ga.color(colpos)] = colpos
- while cc.class_table.length <= maxcolor do
- cc.class_table.add(null)
- end
- append_to_table(ga, cc.class_table, cc.class_layout)
- assert cc.instance_table.is_empty
- cc.instance_table.add_all(scc.instance_table)
- append_to_table(ga, cc.instance_table, cc.instance_layout)
- end
- end
-
- return ga
- end
-
- private fun append_to_table(cc: ColorContext, table: Array[nullable TableElt], cmp: TableEltComposite)
- do
- for j in [0..cmp.length[ do
- var e = cmp.item(j)
- cc.color(e) = table.length
- table.add(e)
- end
- end
-
- private fun build_tables_in(table: Array[nullable TableElt], ga: GlobalAnalysis, c: MMLocalClass, elts: Array[TableElt])
- do
- var tab = new HashMap[Int, TableElt]
- var len = 0
- for e in elts do
- if e.is_related_to(c) then
- var col = ga.color(e)
- var l = col + e.length
- tab[col] = e
- if len < l then
- len = l
- end
- end
- end
- var i = 0
- while i < len do
- if tab.has_key(i) then
- var e = tab[i]
- for j in [0..e.length[ do
- table[i] = e.item(j)
- i = i + 1
- end
- else
- table[i] = null
- i = i + 1
- end
- end
- end
-
- # Perform coloring
- fun colorize(ga: GlobalAnalysis, elts: Array[TableElt], classes: Collection[MMLocalClass], startcolor: Int)
- do
- var colors = new HashMap[Int, Array[TableElt]]
- var rel_classes = new Array[MMLocalClass]
- for e in elts do
- var color = -1
- var len = e.length
- if ga.has_color(e) then
- color = ga.color(e)
- else
- rel_classes.clear
- for c in classes do
- if e.is_related_to(c) then
- rel_classes.add(c)
- end
- end
- var trycolor = startcolor
- while trycolor != color do
- color = trycolor
- for c in rel_classes do
- var idx = 0
- while idx < len do
- if colors.has_key(trycolor + idx) and not free_color(colors[trycolor + idx], c) then
- trycolor = trycolor + idx + 1
- idx = 0
- else
- idx = idx + 1
- end
- end
- end
- end
- ga.color(e) = color
- end
- for idx in [0..len[ do
- if colors.has_key(color + idx) then
- colors[color + idx].add(e)
- else
- colors[color + idx] = [e]
- end
- end
- end
- end
-
- private fun free_color(es: Array[TableElt], c: MMLocalClass): Bool
- do
- for e2 in es do
- if e2.is_related_to(c) then
- return false
- end
- end
- return true
- end
-
+redef class Program
# Compile module and class tables
- fun compile_tables_to_c(v: GlobalCompilerVisitor)
+ fun compile_tables_to_c(v: CompilerVisitor)
do
- for m in mhe.greaters_and_self do
+ for m in main_module.mhe.greaters_and_self do
m.compile_local_table_to_c(v)
end
- for c in local_classes do
+ with_each_live_local_classes !action(c) do
+ if c.global.is_abstract or c.global.is_interface then continue
c.compile_tables_to_c(v)
end
+
var s = new Buffer.from("classtable_t TAG2VFT[4] = \{NULL")
for t in ["Int","Char","Bool"] do
- if has_global_class_named(t.to_symbol) then
+ if main_module.has_global_class_named(t.to_symbol) then
s.append(", (const classtable_t)VFT_{t}")
else
s.append(", NULL")
v.add_instr(s.to_s)
end
- # Declare class table (for _sep.h)
- fun declare_class_tables_to_c(v: GlobalCompilerVisitor)
- do
- for c in local_classes do
- if c.global.module == self then
- c.declare_tables_to_c(v)
- end
- end
- end
-
# Compile main part (for _table.c)
- fun compile_main_part(v: GlobalCompilerVisitor)
+ fun compile_main_part(v: CompilerVisitor)
do
v.add_instr("int main(int argc, char **argv) \{")
v.indent
v.add_instr("prepare_signals();")
v.add_instr("glob_argc = argc; glob_argv = argv;")
- var sysname = once "Sys".to_symbol
- if not has_global_class_named(sysname) then
+ if v.program.main_method == null then
print("No main")
else
- var sys = class_by_name(sysname)
- var name = once "main".to_symbol
- if not sys.has_global_property_by_name(name) then
- print("No main")
- else
- var mainm = sys.select_method(name)
- v.add_instr("G_sys = NEW_Sys();")
- v.add_instr("register_static_object(&G_sys);")
- v.add_instr("{mainm.cname}(G_sys);")
- end
+ v.add_instr("G_sys = NEW_Sys();")
+ v.add_instr("register_static_object(&G_sys);")
+ v.add_instr("{v.program.main_method.cname}(G_sys);")
end
v.add_instr("return 0;")
v.unindent
v.add_instr("}")
end
+end
+
+redef class MMModule
+ # Declare class table (for _sep.h or _glob.h)
+ fun declare_class_tables_to_c(v: CompilerVisitor)
+ do
+ for c in local_classes do
+ if c.global.mmmodule == self then
+ c.declare_tables_to_c(v)
+ end
+ end
+ end
# Compile sep files
- fun compile_mod_to_c(v: GlobalCompilerVisitor)
+ fun compile_mod_to_c(v: CompilerVisitor)
do
v.add_decl("extern const char *LOCATE_{name};")
- if not v.tc.global then
+ if not v.program.tc.use_SFT_optimization then
v.add_decl("extern const int SFT_{name}[];")
end
var i = 0
- for e in _local_table do
+ for e in local_table do
var value: String
- if v.tc.global then
- value = "{e.value(v.global_analysis)}"
+ if v.program.tc.use_SFT_optimization then
+ value = "{e.value(v.program)}"
else
value = "SFT_{name}[{i}]"
i = i + 1
end
# Compile module file for the current module
- fun compile_local_table_to_c(v: GlobalCompilerVisitor)
+ fun compile_local_table_to_c(v: CompilerVisitor)
do
v.add_instr("const char *LOCATE_{name} = \"{location.file}\";")
- if v.tc.global or _local_table.is_empty then
+ if v.program.tc.use_SFT_optimization or local_table.is_empty then
return
end
- v.add_instr("const int SFT_{name}[{_local_table.length}] = \{")
+ v.add_instr("const int SFT_{name}[{local_table.length}] = \{")
v.indent
- for e in _local_table do
- v.add_instr(e.value(v.global_analysis) + ",")
+ for e in local_table do
+ v.add_instr(e.value(v.program) + ",")
end
v.unindent
v.add_instr("\};")
###############################################################################
-# An element of a class, an instance or a module table
-abstract class AbsTableElt
+redef class AbsTableElt
# Compile the macro needed to use the element and other related elements
- fun compile_macros(v: GlobalCompilerVisitor, value: String) is abstract
+ fun compile_macros(v: CompilerVisitor, value: String) is abstract
end
-# An element of a class or an instance table
-# Such an elements represent method function pointers, attribute values, etc.
-abstract class TableElt
-special AbsTableElt
- # Is the element conflict to class `c' (used for coloring)
- fun is_related_to(c: MMLocalClass): Bool is abstract
-
- # Number of sub-elements. 1 if none
- fun length: Int do return 1
-
- # Access the ith subelement.
- fun item(i: Int): TableElt do return self
-
+redef class TableElt
# Return the value of the element for a given class
- fun compile_to_c(v: GlobalCompilerVisitor, c: MMLocalClass): String is abstract
+ fun compile_to_c(v: CompilerVisitor, c: MMLocalClass): String is abstract
end
-# An element of a module table
-# Such an elements represent colors or identifiers
-abstract class ModuleTableElt
-special AbsTableElt
+redef class ModuleTableElt
# Return the value of the element once the global analisys is performed
- fun value(ga: GlobalAnalysis): String is abstract
+ fun value(prog: Program): String is abstract
end
-# An element of a module table that represents a group of TableElt defined in the same local class
-class ModuleTableEltGroup
-special ModuleTableElt
- readable var _elements: Array[TableElt] = new Array[TableElt]
-
- redef fun value(ga) do return "{ga.color(_elements.first)} /* Group of ? */"
+redef class ModuleTableEltGroup
+ redef fun value(prog) do return "{prog.table_information.color(elements.first)} /* Group of ? */"
redef fun compile_macros(v, value)
do
var i = 0
- for e in _elements do
+ for e in elements do
e.compile_macros(v, "{value} + {i}")
i += 1
end
end
end
-# An element that represents a class property
-abstract class TableEltProp
-special TableElt
- var _property: MMLocalProperty
-
- init(p: MMLocalProperty)
- do
- _property = p
- end
-end
-
-# An element that represents a function pointer to a global method
-class TableEltMeth
-special TableEltProp
+redef class TableEltMeth
redef fun compile_macros(v, value)
do
- var pg = _property.global
+ var pg = property.global
v.add_decl("#define {pg.meth_call}(recv) (({pg.intro.cname}_t)CALL((recv), ({value})))")
end
redef fun compile_to_c(v, c)
do
- var p = c[_property.global]
+ var p = c[property.global]
return p.cname
end
end
-# An element that represents a function pointer to the super method of a local method
-class TableEltSuper
-special TableEltProp
+redef class TableEltSuper
redef fun compile_macros(v, value)
do
- var p = _property
+ var p = property
v.add_decl("#define {p.super_meth_call}(recv) (({p.cname}_t)CALL((recv), ({value})))")
end
redef fun compile_to_c(v, c)
do
- var pc = _property.local_class
- var g = _property.global
+ var pc = property.local_class
+ var g = property.global
var lin = c.che.linear_extension
var found = false
for s in lin do
end
end
-# An element that represents the value stored for a global attribute
-class TableEltAttr
-special TableEltProp
+redef class TableEltVTClassColor
redef fun compile_macros(v, value)
do
- var pg = _property.global
- v.add_decl("#define {pg.attr_access}(recv) ATTR(recv, ({value}))")
+ var pg = property.global
+ v.add_decl("#define {pg.vt_class_color}(recv) (VAL2VFT(recv)[{value}].i)")
end
redef fun compile_to_c(v, c)
do
- var ga = v.global_analysis
- var p = c[_property.global]
- return "/* {ga.color(self)}: Attribute {c}::{p} */"
+ var prog = v.program
+ var p = c[property.global]
+ var g = p.signature_for(c.get_type).return_type.local_class.global
+ var col = g.intro.as(MMConcreteClass).class_color_pos
+ return "{prog.table_information.color(col)} /* {prog.table_information.color(self)}: VT {c}::{p} : color of {g} */"
end
end
-# An element representing a class information
-class AbsTableEltClass
-special AbsTableElt
- # The local class where the information comes from
- var _local_class: MMLocalClass
-
- init(c: MMLocalClass)
+redef class TableEltVTClassId
+ redef fun compile_macros(v, value)
do
- _local_class = c
+ var pg = property.global
+ v.add_decl("#define {pg.vt_class_id}(recv) (VAL2VFT(recv)[{value}].i)")
end
- # The C macro name refering the value
- fun symbol: String is abstract
+ redef fun compile_to_c(v, c)
+ do
+ var prog = v.program
+ var p = c[property.global]
+ var g = p.signature_for(c.get_type).return_type.local_class.global
+ return "{prog.compiled_classes[g].id} /* {prog.table_information.color(self)}: VT {c}::{p} : id of {g} */"
+ end
+end
+redef class TableEltAttr
redef fun compile_macros(v, value)
do
- v.add_decl("#define {symbol} ({value})")
+ var pg = property.global
+ v.add_decl("#define {pg.attr_access}(recv) ATTR(recv, ({value}))")
+ end
+
+ redef fun compile_to_c(v, c)
+ do
+ var prog = v.program
+ var p = c[property.global]
+ return "/* {prog.table_information.color(self)}: Attribute {c}::{p} */"
end
end
-# An element of a class table representing a class information
-class TableEltClass
-special TableElt
-special AbsTableEltClass
- redef fun is_related_to(c)
+
+redef class AbsTableEltClass
+ # The C macro name refering the value
+ fun symbol: String is abstract
+
+ redef fun compile_macros(v, value)
do
- var bc = c.module[_local_class.global]
- return c.cshe <= bc
+ v.add_decl("#define {symbol} ({value})")
end
end
-# An element representing the id of a class in a module table
-class TableEltClassId
-special ModuleTableElt
-special AbsTableEltClass
- redef fun symbol do return _local_class.global.id_id
+redef class TableEltClassId
+ redef fun symbol do return local_class.global.id_id
- redef fun value(ga)
+ redef fun value(prog)
do
- return "{ga.compiled_classes[_local_class.global].id} /* Id of {_local_class} */"
+ return "{prog.compiled_classes[local_class.global].id} /* Id of {local_class} */"
end
end
-# An element representing the constructor marker position in a class table
-class TableEltClassInitTable
-special TableEltClass
- redef fun symbol do return _local_class.global.init_table_pos_id
+redef class TableEltClassInitTable
+ redef fun symbol do return local_class.global.init_table_pos_id
redef fun compile_to_c(v, c)
do
- var ga = v.global_analysis
- var cc = ga.compiled_classes[_local_class.global]
+ var prog = v.program
+ var cc = prog.compiled_classes[local_class.global]
var linext = c.cshe.reverse_linear_extension
var i = 0
- while linext[i].global != _local_class.global do
+ while linext[i].global != local_class.global do
i += 1
end
- return "{i} /* {ga.color(self)}: {c} < {cc.local_class}: superclass init_table position */"
+ return "{i} /* {prog.table_information.color(self)}: {c} < {cc.local_class}: superclass init_table position */"
end
end
-# An element used for a cast
-# Note: this element is both a TableElt and a ModuleTableElt.
-# At the TableElt offset, there is the id of the super-class
-# At the ModuleTableElt offset, there is the TableElt offset (ie. the color of the super-class).
-class TableEltClassColor
-special TableEltClass
-special ModuleTableElt
- redef fun symbol do return _local_class.global.color_id
+redef class TableEltClassColor
+ redef fun symbol do return local_class.global.color_id
- redef fun value(ga)
+ redef fun value(prog)
do
- return "{ga.color(self)} /* Color of {_local_class} */"
+ return "{prog.table_information.color(self)} /* Color of {local_class} */"
end
redef fun compile_to_c(v, c)
do
- var ga = v.global_analysis
- var cc = ga.compiled_classes[_local_class.global]
- return "{cc.id} /* {ga.color(self)}: {c} < {cc.local_class}: superclass typecheck marker */"
+ var prog = v.program
+ var cc = prog.compiled_classes[local_class.global]
+ return "{cc.id} /* {prog.table_information.color(self)}: {c} < {cc.local_class}: superclass typecheck marker */"
end
end
-# A Group of elements introduced in the same global-class that are colored together
-class TableEltComposite
-special TableElt
- var _table: Array[TableElt]
- var _cc: CompiledClass
- var _offsets: HashMap[MMLocalClass, Int]
- redef fun length do return _table.length
- redef fun is_related_to(c) do return c.cshe <= _cc.local_class
-
- fun add(c: MMLocalClass, tab: Array[TableElt])
- do
- _offsets[c] = _table.length
- _table.append(tab)
- end
-
- redef fun item(i) do return _table[i]
-
+redef class TableEltComposite
redef fun compile_to_c(v, c) do abort
-
- init(cc: CompiledClass)
- do
- _cc = cc
- _table = new Array[TableElt]
- _offsets = new HashMap[MMLocalClass, Int]
- end
end
-# The element that represent the class id
-class TableEltClassSelfId
-special TableElt
- redef fun is_related_to(c) do return true
+redef class TableEltClassSelfId
redef fun compile_to_c(v, c)
do
- var ga = v.global_analysis
- return "{v.global_analysis.compiled_classes[c.global].id} /* {ga.color(self)}: Identity */"
+ var prog = v.program
+ return "{prog.compiled_classes[c.global].id} /* {prog.table_information.color(self)}: Identity */"
end
end
-
-# The element that represent the Object Size
-class TableEltClassObjectSize
-special TableElt
- redef fun is_related_to(c) do return true
+redef class TableEltClassObjectSize
redef fun compile_to_c(v, c)
do
var nb = 0
- var ga = v.global_analysis
+ var p = v.program
if c.name == "NativeArray".to_symbol then
nb = -1
else
- var cc = ga.compiled_classes[c.global]
+ var cc = p.compiled_classes[c.global]
var itab = cc.instance_table
for e in itab do
nb += 1
end
end
- return "{nb} /* {ga.color(self)}: Object size (-1 if a NativeArray)*/"
+ return "{nb} /* {p.table_information.color(self)}: Object size (-1 if a NativeArray)*/"
end
end
-# The element that represent the object id
-class TableEltObjectId
-special TableElt
- redef fun is_related_to(c) do return true
+redef class TableEltObjectId
redef fun compile_to_c(v, c)
do
- var ga = v.global_analysis
- return "/* {ga.color(self)}: Object_id */"
+ var p = v.program
+ return "/* {p.table_information.color(self)}: Object_id */"
end
end
-# The element that
-class TableEltVftPointer
-special TableElt
- redef fun is_related_to(c) do return true
+redef class TableEltVftPointer
redef fun compile_to_c(v, c)
do
- var ga = v.global_analysis
- return "/* {ga.color(self)}: Pointer to the classtable */"
+ var prog = v.program
+ return "/* {prog.table_information.color(self)}: Pointer to the classtable */"
end
end
###############################################################################
-# Used to sort local class in a deterministic total order
-# The total order superset the class refinement and the class specialisation relations
-class ClassSorter
-special AbstractSorter[MMLocalClass]
- redef fun compare(a, b) do return a.compare(b)
- init do end
-end
-
redef class MMLocalClass
- # Comparaison in a total order that superset the class refinement and the class specialisation relations
- fun compare(b: MMLocalClass): Int
- do
- var a = self
- if a == b then
- return 0
- else if a.module.mhe < b.module then
- return 1
- else if b.module.mhe < a.module then
- return -1
- end
- var ar = a.cshe.rank
- var br = b.cshe.rank
- if ar > br then
- return 1
- else if br > ar then
- return -1
- else
- return b.name.to_s <=> a.name.to_s
- end
- end
-
# Declaration and macros related to the class table
- fun declare_tables_to_c(v: GlobalCompilerVisitor)
+ fun declare_tables_to_c(v: CompilerVisitor)
do
v.add_decl("")
var pi = primitive_info
v.add_decl("extern const classtable_elt_t VFT_{name}[];")
- if name == "NativeArray".to_symbol then
- v.add_decl("val_t NEW_NativeArray(size_t length, size_t size);")
- else if pi == null then
- # v.add_decl("val_t NEW_{name}(void);")
- else if not pi.tagged then
+ if pi != null and not pi.tagged then
var t = pi.cname
var tbox = "struct TBOX_{name}"
v.add_decl("{tbox} \{ const classtable_elt_t * vft; bigint object_id; {t} val;};")
end
# Compilation of table and new (or box)
- fun compile_tables_to_c(v: GlobalCompilerVisitor)
+ fun compile_tables_to_c(v: CompilerVisitor)
do
- var cc = v.global_analysis.compiled_classes[self.global]
+ var cc = v.program.compiled_classes[self.global]
var ctab = cc.class_table
var clen = ctab.length
- if v.global_analysis.max_class_table_length > ctab.length then
- clen = v.global_analysis.max_class_table_length
+ if v.program.table_information.max_class_table_length > ctab.length then
+ clen = v.program.table_information.max_class_table_length
end
v.add_instr("const classtable_elt_t VFT_{name}[{clen}] = \{")
v.add_instr("}")
else if pi == null then
do
- var iself = new IRegister(get_type)
- var iselfa = [iself]
- var iroutine = new IRoutine(new Array[IRegister], iself)
- var icb = new ICodeBuilder(module, iroutine)
- var obj = new INative("OBJ2VAL(obj)", null)
- obj.result = iself
- icb.stmt(obj)
-
- for g in global_properties do
- var p = self[g]
- var t = p.signature.return_type
- if p isa MMAttribute and t != null then
- var ir = p.iroutine
- if ir == null then continue
- # FIXME: Not compatible with sep compilation
- var e = icb.inline_routine(ir, iselfa, null).as(not null)
- icb.stmt(new IAttrWrite(p, iself, e))
- end
- end
-
- var cname = "NEW_{name}"
- var args = iroutine.compile_signature_to_c(v, cname, "new {name}", null, null)
- var ctx_old = v.ctx
- v.ctx = new CContext
- v.add_decl("obj_t obj;")
+ # Generate INIT_ATTRIBUTES routine
+ var cname = "INIT_ATTRIBUTES__{name}"
+ var args = init_var_iroutine.compile_signature_to_c(v, cname, "init var of {name}", null, null)
+ var decl_writer_old = v.decl_writer
+ v.decl_writer = v.writer.sub
+ init_var_iroutine.compile_to_c(v, cname, args)
+ v.decl_writer = decl_writer_old
+ v.unindent
+ v.add_instr("}")
+ end
+ do
+ # Generate NEW routine
+ v.add_decl("val_t NEW_{name}(void);")
+ v.add_instr("val_t NEW_{name}(void)")
+ v.add_instr("\{")
+ v.indent
+ v.add_instr("obj_t obj;")
v.add_instr("obj = alloc(sizeof(val_t) * {itab.length});")
v.add_instr("obj->vft = (classtable_elt_t*)VFT_{name};")
v.add_instr("obj[1].object_id = object_id_counter;")
v.add_instr("object_id_counter = object_id_counter + 1;")
- var r = iroutine.compile_to_c(v, cname, args).as(not null)
- v.add_instr("return {r};")
- ctx_old.append(v.ctx)
- v.ctx = ctx_old
+ v.add_instr("return OBJ2VAL(obj);")
v.unindent
v.add_instr("}")
end
-
do
# Compile CHECKNAME
- var iself = new IRegister(get_type)
- var iselfa = [iself]
- var iroutine = new IRoutine(iselfa, null)
- var icb = new ICodeBuilder(module, iroutine)
- for g in global_properties do
- var p = self[g]
- var t = p.signature.return_type
- if p isa MMAttribute and t != null and not t.is_nullable then
- icb.add_attr_check(p, iself)
- end
- end
var cname = "CHECKNEW_{name}"
- var args = iroutine.compile_signature_to_c(v, cname, "check new {name}", null, null)
- var ctx_old = v.ctx
- v.ctx = new CContext
- iroutine.compile_to_c(v, cname, args)
- ctx_old.append(v.ctx)
- v.ctx = ctx_old
+ var args = checknew_iroutine.compile_signature_to_c(v, cname, "check new {name}", null, null)
+ var decl_writer_old = v.decl_writer
+ v.decl_writer = v.writer.sub
+ checknew_iroutine.compile_to_c(v, cname, args)
+ v.decl_writer = decl_writer_old
v.unindent
v.add_instr("}")
end
if not p.global.is_init_for(self) then continue
assert p isa MMMethod
- var iself = new IRegister(get_type)
- var iparams = new Array[IRegister]
- for i in [0..p.signature.arity[ do iparams.add(new IRegister(p.signature[i]))
- var iroutine = new IRoutine(iparams, iself)
- iroutine.location = p.iroutine.location
- var icb = new ICodeBuilder(module, iroutine)
-
- var inew = new INative("NEW_{name}()", null)
- inew.result = iself
- icb.stmt(inew)
- var iargs = [iself]
- iargs.add_all(iparams)
- icb.stmt(new INative("{p.cname}(@@@{", @@@"*iparams.length}, init_table)", iargs))
- icb.stmt(new INative("CHECKNEW_{name}(@@@)", [iself]))
-
var cname = "NEW_{self}_{p.global.intro.cname}"
- var new_args = iroutine.compile_signature_to_c(v, cname, "new {self} {p.full_name}", null, null)
- var ctx_old = v.ctx
- v.ctx = new CContext
+ var new_args = new_instance_iroutine[p].compile_signature_to_c(v, cname, "new {self} {p.full_name}", null, null)
+ var decl_writer_old = v.decl_writer
+ v.decl_writer = v.writer.sub
v.add_instr(init_table_decl)
- var e = iroutine.compile_to_c(v, cname, new_args).as(not null)
+ var e = new_instance_iroutine[p].compile_to_c(v, cname, new_args).as(not null)
v.add_instr("return {e};")
- ctx_old.append(v.ctx)
- v.ctx = ctx_old
+ v.decl_writer = decl_writer_old
v.unindent
v.add_instr("}")
end
var more_params: nullable String = null
if global.is_init then more_params = "int* init_table"
var args = ir.compile_signature_to_c(v, cname, full_name, null, more_params)
- var ctx_old = v.ctx
- v.ctx = new CContext
-
- v.out_contexts.clear
+ var writer_old = v.writer
+ v.writer = v.writer.sub
+ var decl_writer_old = v.decl_writer
+ v.decl_writer = v.writer.sub
var itpos: nullable String = null
if global.is_init then
if s == null then
v.add_instr("return;")
else
- v.add_instr("return ", s, ";")
+ v.add_instr("return {s};")
end
-
- ctx_old.append(v.ctx)
- v.ctx = ctx_old
v.unindent
v.add_instr("}")
- for ctx in v.out_contexts do v.ctx.merge(ctx)
+ v.writer = writer_old
+ v.decl_writer = decl_writer_old
end
end
nitlanguage / nit.git / blobdiff