end
# All information and results of the global analysis.
-class GlobalAnalysis
+class TableInformation
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)
+ readable var _program: Program
+ init(m: MMModule, tc: ToolContext, prog: Program)
do
super(m, tc)
- _global_analysis = ga
+ _program = prog
end
end
end
redef class Program
+ # Information about the class tables
+ readable var _table_information: TableInformation = new TableInformation
+
+ # Associate global classes to compiled classes
+ readable var _compiled_classes: HashMap[MMGlobalClass, CompiledClass] = new HashMap[MMGlobalClass, CompiledClass]
+
# Do the complete global analysis
- fun global_analysis(cctx: ToolContext): GlobalAnalysis
+ fun global_analysis(cctx: ToolContext)
do
- var ga = new GlobalAnalysis(module)
var smallest_classes = new Array[MMLocalClass]
var global_properties = new HashSet[MMGlobalProperty]
var ctab = new Array[TableElt]
# Associate a CompiledClass to the class
var cc = new CompiledClass(c)
- ga.compiled_classes[c.global] = cc
+ compiled_classes[c.global] = cc
# Assign a unique class identifier
# (negative are for primitive classes)
#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)
+ colorize(ctab, crown_classes, 0)
# Compute tables for typechecks
var maxcolor = 0
for c in classes do
- var cc = ga.compiled_classes[c.global]
+ var cc = 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.class_table, 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]
+ var scc = 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
+ table_information.color(colpos) = colposcolor
cc.class_table.add(colpos)
if maxcolor < colposcolor then maxcolor = colposcolor
end
end
- ga.max_class_table_length = maxcolor + 1
+ table_information.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 cc = compiled_classes[c.global]
var cte = cc.class_layout
var ite = cc.instance_layout
for sc in c.crhe.greaters_and_self do
end
# Colorize all elements in pools tables
- colorize(ga, ctab, crown_classes, maxcolor+1)
- colorize(ga, itab, crown_classes, 0)
+ colorize(ctab, crown_classes, maxcolor+1)
+ colorize(itab, crown_classes, 0)
# Build class and instance tables now things are colored
- ga.max_class_table_length = 0
+ table_information.max_class_table_length = 0
for c in classes do
- var cc = ga.compiled_classes[c.global]
+ var cc = 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)
+ build_tables_in(cc.class_table, c, ctab)
+ build_tables_in(cc.instance_table, 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]
+ var scc = 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
+ cc.class_table[table_information.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)
+ append_to_table(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)
+ append_to_table(cc.instance_table, cc.instance_layout)
end
end
-
- return ga
end
# Perform coloring
- fun colorize(ga: GlobalAnalysis, elts: Array[TableElt], classes: Collection[MMLocalClass], startcolor: Int)
+ fun colorize(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)
+ if table_information.has_color(e) then
+ color = table_information.color(e)
else
rel_classes.clear
for c in classes do
end
end
end
- ga.color(e) = color
+ table_information.color(e) = color
end
for idx in [0..len[ do
if colors.has_key(color + idx) then
return true
end
- private fun append_to_table(cc: ColorContext, table: Array[nullable TableElt], cmp: TableEltComposite)
+ private fun append_to_table(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_information.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])
+ private fun build_tables_in(table: Array[nullable TableElt], 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 col = table_information.color(e)
var l = col + e.length
tab[col] = e
if len < l then
for e in _local_table do
var value: String
if v.tc.global then
- value = "{e.value(v.global_analysis)}"
+ value = "{e.value(v.program)}"
else
value = "SFT_{name}[{i}]"
i = i + 1
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) + ",")
+ v.add_instr(e.value(v.program) + ",")
end
v.unindent
v.add_instr("\};")
abstract class ModuleTableElt
special AbsTableElt
# 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
special ModuleTableElt
readable var _elements: Array[TableElt] = new Array[TableElt]
- redef fun value(ga) do return "{ga.color(_elements.first)} /* Group of ? */"
+ redef fun value(prog) do return "{prog.table_information.color(_elements.first)} /* Group of ? */"
redef fun compile_macros(v, value)
do
var i = 0
redef fun compile_to_c(v, c)
do
- var ga = v.global_analysis
+ var prog = v.program
var p = c[_property.global]
- return "/* {ga.color(self)}: Attribute {c}::{p} */"
+ return "/* {prog.table_information.color(self)}: Attribute {c}::{p} */"
end
end
special AbsTableEltClass
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
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
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
special ModuleTableElt
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
redef fun is_related_to(c) do return true
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
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
redef fun is_related_to(c) do return true
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
redef fun is_related_to(c) do return true
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
# Compilation of table and new (or box)
fun compile_tables_to_c(v: GlobalCompilerVisitor)
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}] = \{")
nitlanguage / nit.git / commitdiff