1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 # Separate compilation of a Nit program
16 module separate_compiler
18 import abstract_compiler
19 import layout_builders
20 import rapid_type_analysis
22 # Add separate compiler specific options
23 redef class ToolContext
25 var opt_separate
: OptionBool = new OptionBool("Use separate compilation", "--separate")
27 var opt_no_inline_intern
: OptionBool = new OptionBool("Do not inline call to intern methods", "--no-inline-intern")
28 # --no-union-attribute
29 var opt_no_union_attribute
: OptionBool = new OptionBool("Put primitive attibutes in a box instead of an union", "--no-union-attribute")
30 # --no-shortcut-equate
31 var opt_no_shortcut_equate
: OptionBool = new OptionBool("Always call == in a polymorphic way", "--no-shortcut-equal")
32 # --inline-coloring-numbers
33 var opt_inline_coloring_numbers
: OptionBool = new OptionBool("Inline colors and ids (semi-global)", "--inline-coloring-numbers")
34 # --inline-some-methods
35 var opt_inline_some_methods
: OptionBool = new OptionBool("Allow the separate compiler to inline some methods (semi-global)", "--inline-some-methods")
36 # --direct-call-monomorph
37 var opt_direct_call_monomorph
: OptionBool = new OptionBool("Allow the separate compiler to direct call monomorph sites (semi-global)", "--direct-call-monomorph")
38 # --use-naive-coloring
39 var opt_bm_typing
: OptionBool = new OptionBool("Colorize items incrementaly, used to simulate binary matrix typing", "--bm-typing")
40 # --use-mod-perfect-hashing
41 var opt_phmod_typing
: OptionBool = new OptionBool("Replace coloration by perfect hashing (with mod operator)", "--phmod-typing")
42 # --use-and-perfect-hashing
43 var opt_phand_typing
: OptionBool = new OptionBool("Replace coloration by perfect hashing (with and operator)", "--phand-typing")
45 var opt_tables_metrics
: OptionBool = new OptionBool("Enable static size measuring of tables used for vft, typing and resolution", "--tables-metrics")
50 self.option_context
.add_option
(self.opt_separate
)
51 self.option_context
.add_option
(self.opt_no_inline_intern
)
52 self.option_context
.add_option
(self.opt_no_union_attribute
)
53 self.option_context
.add_option
(self.opt_no_shortcut_equate
)
54 self.option_context
.add_option
(self.opt_inline_coloring_numbers
, opt_inline_some_methods
, opt_direct_call_monomorph
)
55 self.option_context
.add_option
(self.opt_bm_typing
)
56 self.option_context
.add_option
(self.opt_phmod_typing
)
57 self.option_context
.add_option
(self.opt_phand_typing
)
58 self.option_context
.add_option
(self.opt_tables_metrics
)
62 redef class ModelBuilder
63 fun run_separate_compiler
(mainmodule
: MModule, runtime_type_analysis
: nullable RapidTypeAnalysis)
66 self.toolcontext
.info
("*** GENERATING C ***", 1)
68 var compiler
= new SeparateCompiler(mainmodule
, self, runtime_type_analysis
)
69 compiler
.compile_header
71 # compile class structures
72 self.toolcontext
.info
("Property coloring", 2)
73 compiler
.new_file
("{mainmodule.name}.classes")
74 compiler
.do_property_coloring
75 for m
in mainmodule
.in_importation
.greaters
do
76 for mclass
in m
.intro_mclasses
do
77 if mclass
.kind
== abstract_kind
or mclass
.kind
== interface_kind
then continue
78 compiler
.compile_class_to_c
(mclass
)
82 # The main function of the C
83 compiler
.new_file
("{mainmodule.name}.main")
84 compiler
.compile_main_function
87 for m
in mainmodule
.in_importation
.greaters
do
88 self.toolcontext
.info
("Generate C for module {m}", 2)
89 compiler
.new_file
("{m.name}.sep")
90 compiler
.compile_module_to_c
(m
)
93 # compile live & cast type structures
94 self.toolcontext
.info
("Type coloring", 2)
95 compiler
.new_file
("{mainmodule.name}.types")
96 var mtypes
= compiler
.do_type_coloring
98 compiler
.compile_type_to_c
(t
)
100 # compile remaining types structures (useless but needed for the symbol resolution at link-time)
101 for t
in compiler
.undead_types
do
102 if mtypes
.has
(t
) then continue
103 compiler
.compile_type_to_c
(t
)
106 compiler
.display_stats
109 self.toolcontext
.info
("*** END GENERATING C: {time1-time0} ***", 2)
110 write_and_make
(compiler
)
113 # Count number of invocations by VFT
114 private var nb_invok_by_tables
= 0
115 # Count number of invocations by direct call
116 private var nb_invok_by_direct
= 0
117 # Count number of invocations by inlining
118 private var nb_invok_by_inline
= 0
121 # Singleton that store the knowledge about the separate compilation process
122 class SeparateCompiler
123 super AbstractCompiler
125 redef type VISITOR: SeparateCompilerVisitor
127 # The result of the RTA (used to know live types and methods)
128 var runtime_type_analysis
: nullable RapidTypeAnalysis
130 private var undead_types
: Set[MType] = new HashSet[MType]
131 private var live_unresolved_types
: Map[MClassDef, Set[MType]] = new HashMap[MClassDef, HashSet[MType]]
133 private var type_layout
: nullable Layout[MType]
134 private var resolution_layout
: nullable Layout[MType]
135 protected var method_layout
: nullable Layout[PropertyLayoutElement]
136 protected var attr_layout
: nullable Layout[MAttribute]
138 init(mainmodule
: MModule, mmbuilder
: ModelBuilder, runtime_type_analysis
: nullable RapidTypeAnalysis) do
139 super(mainmodule
, mmbuilder
)
140 var file
= new_file
("nit.common")
141 self.header
= new CodeWriter(file
)
142 self.runtime_type_analysis
= runtime_type_analysis
143 self.compile_box_kinds
146 redef fun compile_header_structs
do
147 self.header
.add_decl
("typedef void(*nitmethod_t)(void); /* general C type representing a Nit method. */")
148 self.compile_header_attribute_structs
149 self.header
.add_decl
("struct class \{ int box_kind; nitmethod_t vft[]; \}; /* general C type representing a Nit class. */")
151 # With resolution_table_table, all live type resolution are stored in a big table: resolution_table
152 self.header
.add_decl
("struct type \{ int id; const char *name; int color; short int is_nullable; const struct types *resolution_table; int table_size; int type_table[]; \}; /* general C type representing a Nit type. */")
153 self.header
.add_decl
("struct instance \{ const struct type *type; const struct class *class; nitattribute_t attrs[]; \}; /* general C type representing a Nit instance. */")
155 if modelbuilder
.toolcontext
.opt_phmod_typing
.value
or modelbuilder
.toolcontext
.opt_phand_typing
.value
then
156 self.header
.add_decl
("struct types \{ int mask; const struct type *types[]; \}; /* a list types (used for vts, fts and unresolved lists). */")
158 self.header
.add_decl
("struct types \{ int dummy; const struct type *types[]; \}; /* a list types (used for vts, fts and unresolved lists). */")
161 if modelbuilder
.toolcontext
.opt_phmod_typing
.value
then
162 self.header
.add_decl
("#define HASH(mask, id) ((mask)%(id))")
163 else if modelbuilder
.toolcontext
.opt_phand_typing
.value
then
164 self.header
.add_decl
("#define HASH(mask, id) ((mask)&(id))")
167 self.header
.add_decl
("typedef struct instance val; /* general C type representing a Nit instance. */")
170 fun compile_header_attribute_structs
172 if modelbuilder
.toolcontext
.opt_no_union_attribute
.value
then
173 self.header
.add_decl
("typedef void* nitattribute_t; /* general C type representing a Nit attribute. */")
175 self.header
.add_decl
("typedef union \{")
176 self.header
.add_decl
("void* val;")
177 for c
, v
in self.box_kinds
do
178 var t
= c
.mclass_type
179 self.header
.add_decl
("{t.ctype} {t.ctypename};")
181 self.header
.add_decl
("\} nitattribute_t; /* general C type representing a Nit attribute. */")
185 fun compile_box_kinds
187 # Collect all bas box class
188 # FIXME: this is not completely fine with a separate compilation scheme
189 for classname
in ["Int", "Bool", "Char", "Float", "NativeString", "Pointer"] do
190 var classes
= self.mainmodule
.model
.get_mclasses_by_name
(classname
)
191 if classes
== null then continue
192 assert classes
.length
== 1 else print classes
.join
(", ")
193 self.box_kinds
[classes
.first
] = self.box_kinds
.length
+ 1
197 var box_kinds
= new HashMap[MClass, Int]
199 fun box_kind_of
(mclass
: MClass): Int
201 if mclass
.mclass_type
.ctype
== "val*" then
203 else if mclass
.kind
== extern_kind
then
204 return self.box_kinds
[self.mainmodule
.get_primitive_class
("Pointer")]
206 return self.box_kinds
[mclass
]
211 fun compile_color_consts
(colors
: Map[Object, Int]) do
213 for m
, c
in colors
do
214 compile_color_const
(v
, m
, c
)
218 fun compile_color_const
(v
: SeparateCompilerVisitor, m
: Object, color
: Int) do
219 if color_consts_done
.has
(m
) then return
220 if m
isa MProperty then
221 if modelbuilder
.toolcontext
.opt_inline_coloring_numbers
.value
then
222 self.provide_declaration
(m
.const_color
, "#define {m.const_color} {color}")
224 self.provide_declaration
(m
.const_color
, "extern const int {m.const_color};")
225 v
.add
("const int {m.const_color} = {color};")
227 else if m
isa MPropDef then
228 if modelbuilder
.toolcontext
.opt_inline_coloring_numbers
.value
then
229 self.provide_declaration
(m
.const_color
, "#define {m.const_color} {color}")
231 self.provide_declaration
(m
.const_color
, "extern const int {m.const_color};")
232 v
.add
("const int {m.const_color} = {color};")
234 else if m
isa MType then
235 if modelbuilder
.toolcontext
.opt_inline_coloring_numbers
.value
then
236 self.provide_declaration
(m
.const_color
, "#define {m.const_color} {color}")
238 self.provide_declaration
(m
.const_color
, "extern const int {m.const_color};")
239 v
.add
("const int {m.const_color} = {color};")
242 color_consts_done
.add
(m
)
245 private var color_consts_done
= new HashSet[Object]
247 # colorize classe properties
248 fun do_property_coloring
do
249 var mclasses
= new HashSet[MClass].from
(modelbuilder
.model
.mclasses
)
252 var method_layout_builder
: PropertyLayoutBuilder[PropertyLayoutElement]
253 var attribute_layout_builder
: PropertyLayoutBuilder[MAttribute]
254 #FIXME PH and BM layouts too slow for large programs
255 #if modelbuilder.toolcontext.opt_bm_typing.value then
256 # method_layout_builder = new MMethodBMizer(self.mainmodule)
257 # attribute_layout_builder = new MAttributeBMizer(self.mainmodule)
258 #else if modelbuilder.toolcontext.opt_phmod_typing.value then
259 # method_layout_builder = new MMethodHasher(new PHModOperator, self.mainmodule)
260 # attribute_layout_builder = new MAttributeHasher(new PHModOperator, self.mainmodule)
261 #else if modelbuilder.toolcontext.opt_phand_typing.value then
262 # method_layout_builder = new MMethodHasher(new PHAndOperator, self.mainmodule)
263 # attribute_layout_builder = new MAttributeHasher(new PHAndOperator, self.mainmodule)
266 var class_layout_builder
= new MClassColorer(self.mainmodule
)
267 class_layout_builder
.build_layout
(mclasses
)
268 method_layout_builder
= new MPropertyColorer[PropertyLayoutElement](self.mainmodule
, class_layout_builder
)
269 attribute_layout_builder
= new MPropertyColorer[MAttribute](self.mainmodule
, class_layout_builder
)
272 # lookup properties to build layout with
273 var mmethods
= new HashMap[MClass, Set[PropertyLayoutElement]]
274 var mattributes
= new HashMap[MClass, Set[MAttribute]]
275 for mclass
in mclasses
do
276 mmethods
[mclass
] = new HashSet[PropertyLayoutElement]
277 mattributes
[mclass
] = new HashSet[MAttribute]
278 for mprop
in self.mainmodule
.properties
(mclass
) do
279 if mprop
isa MMethod then
280 mmethods
[mclass
].add
(mprop
)
281 else if mprop
isa MAttribute then
282 mattributes
[mclass
].add
(mprop
)
287 # Collect all super calls (dead or not)
288 var all_super_calls
= new HashSet[MMethodDef]
289 for mmodule
in self.mainmodule
.in_importation
.greaters
do
290 for mclassdef
in mmodule
.mclassdefs
do
291 for mpropdef
in mclassdef
.mpropdefs
do
292 if not mpropdef
isa MMethodDef then continue
293 if mpropdef
.has_supercall
then
294 all_super_calls
.add
(mpropdef
)
300 # lookup super calls and add it to the list of mmethods to build layout with
302 if runtime_type_analysis
!= null then
303 super_calls
= runtime_type_analysis
.live_super_sends
305 super_calls
= all_super_calls
308 for mmethoddef
in super_calls
do
309 var mclass
= mmethoddef
.mclassdef
.mclass
310 mmethods
[mclass
].add
(mmethoddef
)
311 for descendant
in mclass
.in_hierarchy
(self.mainmodule
).smallers
do
312 mmethods
[descendant
].add
(mmethoddef
)
317 self.method_layout
= method_layout_builder
.build_layout
(mmethods
)
318 self.method_tables
= build_method_tables
(mclasses
, super_calls
)
319 self.compile_color_consts
(method_layout
.pos
)
321 # attribute null color to dead supercalls
322 for mpropdef
in all_super_calls
do
323 if super_calls
.has
(mpropdef
) then continue
324 compile_color_const
(new_visitor
, mpropdef
, -1)
327 # attributes coloration
328 self.attr_layout
= attribute_layout_builder
.build_layout
(mattributes
)
329 self.attr_tables
= build_attr_tables
(mclasses
)
330 self.compile_color_consts
(attr_layout
.pos
)
333 fun build_method_tables
(mclasses
: Set[MClass], super_calls
: Set[MMethodDef]): Map[MClass, Array[nullable MPropDef]] do
334 var layout
= self.method_layout
335 var tables
= new HashMap[MClass, Array[nullable MPropDef]]
336 for mclass
in mclasses
do
337 var table
= new Array[nullable MPropDef]
338 var supercalls
= new List[MMethodDef]
340 # first, fill table from parents by reverse linearization order
341 var parents
= new Array[MClass]
342 if mainmodule
.flatten_mclass_hierarchy
.has
(mclass
) then
343 parents
= mclass
.in_hierarchy
(mainmodule
).greaters
.to_a
344 self.mainmodule
.linearize_mclasses
(parents
)
347 for parent
in parents
do
348 if parent
== mclass
then continue
349 for mproperty
in self.mainmodule
.properties
(parent
) do
350 if not mproperty
isa MMethod then continue
351 var color
= layout
.pos
[mproperty
]
352 if table
.length
<= color
then
353 for i
in [table
.length
.. color
[ do
357 for mpropdef
in mproperty
.mpropdefs
do
358 if mpropdef
.mclassdef
.mclass
== parent
then
359 table
[color
] = mpropdef
364 # lookup for super calls in super classes
365 for mmethoddef
in super_calls
do
366 for mclassdef
in parent
.mclassdefs
do
367 if mclassdef
.mpropdefs
.has
(mmethoddef
) then
368 supercalls
.add
(mmethoddef
)
374 # then override with local properties
375 for mproperty
in self.mainmodule
.properties
(mclass
) do
376 if not mproperty
isa MMethod then continue
377 var color
= layout
.pos
[mproperty
]
378 if table
.length
<= color
then
379 for i
in [table
.length
.. color
[ do
383 for mpropdef
in mproperty
.mpropdefs
do
384 if mpropdef
.mclassdef
.mclass
== mclass
then
385 table
[color
] = mpropdef
390 # lookup for super calls in local class
391 for mmethoddef
in super_calls
do
392 for mclassdef
in mclass
.mclassdefs
do
393 if mclassdef
.mpropdefs
.has
(mmethoddef
) then
394 supercalls
.add
(mmethoddef
)
398 # insert super calls in table according to receiver
399 for supercall
in supercalls
do
400 var color
= layout
.pos
[supercall
]
401 if table
.length
<= color
then
402 for i
in [table
.length
.. color
[ do
406 var mmethoddef
= supercall
.lookup_next_definition
(self.mainmodule
, mclass
.intro
.bound_mtype
)
407 table
[color
] = mmethoddef
409 tables
[mclass
] = table
414 fun build_attr_tables
(mclasses
: Set[MClass]): Map[MClass, Array[nullable MPropDef]] do
415 var layout
= self.attr_layout
416 var tables
= new HashMap[MClass, Array[nullable MPropDef]]
417 for mclass
in mclasses
do
418 var table
= new Array[nullable MPropDef]
419 # first, fill table from parents by reverse linearization order
420 var parents
= new Array[MClass]
421 if mainmodule
.flatten_mclass_hierarchy
.has
(mclass
) then
422 parents
= mclass
.in_hierarchy
(mainmodule
).greaters
.to_a
423 self.mainmodule
.linearize_mclasses
(parents
)
425 for parent
in parents
do
426 if parent
== mclass
then continue
427 for mproperty
in self.mainmodule
.properties
(parent
) do
428 if not mproperty
isa MAttribute then continue
429 var color
= layout
.pos
[mproperty
]
430 if table
.length
<= color
then
431 for i
in [table
.length
.. color
[ do
435 for mpropdef
in mproperty
.mpropdefs
do
436 if mpropdef
.mclassdef
.mclass
== parent
then
437 table
[color
] = mpropdef
443 # then override with local properties
444 for mproperty
in self.mainmodule
.properties
(mclass
) do
445 if not mproperty
isa MAttribute then continue
446 var color
= layout
.pos
[mproperty
]
447 if table
.length
<= color
then
448 for i
in [table
.length
.. color
[ do
452 for mpropdef
in mproperty
.mpropdefs
do
453 if mpropdef
.mclassdef
.mclass
== mclass
then
454 table
[color
] = mpropdef
458 tables
[mclass
] = table
463 # colorize live types of the program
464 private fun do_type_coloring
: POSet[MType] do
465 var mtypes
= new HashSet[MType]
466 mtypes
.add_all
(self.runtime_type_analysis
.live_types
)
467 mtypes
.add_all
(self.runtime_type_analysis
.live_cast_types
)
468 for c
in self.box_kinds
.keys
do
469 mtypes
.add
(c
.mclass_type
)
473 var layout_builder
: TypingLayoutBuilder[MType]
474 if modelbuilder
.toolcontext
.opt_bm_typing
.value
then
475 layout_builder
= new MTypeBMizer(self.mainmodule
)
476 else if modelbuilder
.toolcontext
.opt_phmod_typing
.value
then
477 layout_builder
= new MTypeHasher(new PHModOperator, self.mainmodule
)
478 else if modelbuilder
.toolcontext
.opt_phand_typing
.value
then
479 layout_builder
= new MTypeHasher(new PHAndOperator, self.mainmodule
)
481 layout_builder
= new MTypeColorer(self.mainmodule
)
485 self.type_layout
= layout_builder
.build_layout
(mtypes
)
486 var poset
= layout_builder
.poset
.as(not null)
487 self.type_tables
= self.build_type_tables
(poset
)
489 # VT and FT are stored with other unresolved types in the big resolution_tables
490 self.compile_resolution_tables
(mtypes
)
496 fun build_type_tables
(mtypes
: POSet[MType]): Map[MType, Array[nullable MType]] do
497 var tables
= new HashMap[MType, Array[nullable MType]]
498 var layout
= self.type_layout
499 for mtype
in mtypes
do
500 var table
= new Array[nullable MType]
501 for sup
in mtypes
[mtype
].greaters
do
503 if layout
isa PHLayout[MType, MType] then
504 color
= layout
.hashes
[mtype
][sup
]
506 color
= layout
.pos
[sup
]
508 if table
.length
<= color
then
509 for i
in [table
.length
.. color
[ do
515 tables
[mtype
] = table
520 protected fun compile_resolution_tables
(mtypes
: Set[MType]) do
521 # resolution_tables is used to perform a type resolution at runtime in O(1)
523 # During the visit of the body of classes, live_unresolved_types are collected
525 # Collect all live_unresolved_types (visited in the body of classes)
527 # Determinate fo each livetype what are its possible requested anchored types
528 var mtype2unresolved
= new HashMap[MClassType, Set[MType]]
529 for mtype
in self.runtime_type_analysis
.live_types
do
530 var set
= new HashSet[MType]
531 for cd
in mtype
.collect_mclassdefs
(self.mainmodule
) do
532 if self.live_unresolved_types
.has_key
(cd
) then
533 set
.add_all
(self.live_unresolved_types
[cd
])
536 mtype2unresolved
[mtype
] = set
539 # Compute the table layout with the prefered method
540 var resolution_builder
: ResolutionLayoutBuilder
541 if modelbuilder
.toolcontext
.opt_bm_typing
.value
then
542 resolution_builder
= new ResolutionBMizer
543 else if modelbuilder
.toolcontext
.opt_phmod_typing
.value
then
544 resolution_builder
= new ResolutionHasher(new PHModOperator)
545 else if modelbuilder
.toolcontext
.opt_phand_typing
.value
then
546 resolution_builder
= new ResolutionHasher(new PHAndOperator)
548 resolution_builder
= new ResolutionColorer
550 self.resolution_layout
= resolution_builder
.build_layout
(mtype2unresolved
)
551 self.resolution_tables
= self.build_resolution_tables
(mtype2unresolved
)
553 # Compile a C constant for each collected unresolved type.
554 # Either to a color, or to -1 if the unresolved type is dead (no live receiver can require it)
555 var all_unresolved
= new HashSet[MType]
556 for t
in self.live_unresolved_types
.values
do
557 all_unresolved
.add_all
(t
)
559 var all_unresolved_types_colors
= new HashMap[MType, Int]
560 for t
in all_unresolved
do
561 if self.resolution_layout
.pos
.has_key
(t
) then
562 all_unresolved_types_colors
[t
] = self.resolution_layout
.pos
[t
]
564 all_unresolved_types_colors
[t
] = -1
567 self.compile_color_consts
(all_unresolved_types_colors
)
570 #for k, v in unresolved_types_tables.as(not null) do
571 # print "{k}: {v.join(", ")}"
576 fun build_resolution_tables
(elements
: Map[MClassType, Set[MType]]): Map[MClassType, Array[nullable MType]] do
577 var tables
= new HashMap[MClassType, Array[nullable MType]]
578 var layout
= self.resolution_layout
579 for mclasstype
, mtypes
in elements
do
580 var table
= new Array[nullable MType]
581 for mtype
in mtypes
do
583 if layout
isa PHLayout[MClassType, MType] then
584 color
= layout
.hashes
[mclasstype
][mtype
]
586 color
= layout
.pos
[mtype
]
588 if table
.length
<= color
then
589 for i
in [table
.length
.. color
[ do
595 tables
[mclasstype
] = table
600 # Separately compile all the method definitions of the module
601 fun compile_module_to_c
(mmodule
: MModule)
603 var old_module
= self.mainmodule
604 self.mainmodule
= mmodule
605 for cd
in mmodule
.mclassdefs
do
606 for pd
in cd
.mpropdefs
do
607 if not pd
isa MMethodDef then continue
608 #print "compile {pd} @ {cd} @ {mmodule}"
609 var r
= pd
.separate_runtime_function
611 var r2
= pd
.virtual_runtime_function
612 r2
.compile_to_c
(self)
615 self.mainmodule
= old_module
618 # Globaly compile the type structure of a live type
619 fun compile_type_to_c
(mtype
: MType)
621 assert not mtype
.need_anchor
622 var layout
= self.type_layout
623 var is_live
= mtype
isa MClassType and runtime_type_analysis
.live_types
.has
(mtype
)
624 var is_cast_live
= runtime_type_analysis
.live_cast_types
.has
(mtype
)
625 var c_name
= mtype
.c_name
626 var v
= new SeparateCompilerVisitor(self)
627 v
.add_decl
("/* runtime type {mtype} */")
629 # extern const struct type_X
630 self.provide_declaration
("type_{c_name}", "extern const struct type type_{c_name};")
632 # const struct type_X
633 v
.add_decl
("const struct type type_{c_name} = \{")
635 # type id (for cast target)
637 v
.add_decl
("{layout.ids[mtype]},")
639 v
.add_decl
("-1, /*CAST DEAD*/")
643 v
.add_decl
("\"{mtype}\
", /* class_name_string */")
645 # type color (for cast target)
647 if layout
isa PHLayout[MType, MType] then
648 v
.add_decl
("{layout.masks[mtype]},")
650 v
.add_decl
("{layout.pos[mtype]},")
653 v
.add_decl
("-1, /*CAST DEAD*/")
657 if mtype
isa MNullableType then
663 # resolution table (for receiver)
665 var mclass_type
= mtype
666 if mclass_type
isa MNullableType then mclass_type
= mclass_type
.mtype
667 assert mclass_type
isa MClassType
668 if resolution_tables
[mclass_type
].is_empty
then
669 v
.add_decl
("NULL, /*NO RESOLUTIONS*/")
671 compile_type_resolution_table
(mtype
)
672 v
.require_declaration
("resolution_table_{c_name}")
673 v
.add_decl
("&resolution_table_{c_name},")
676 v
.add_decl
("NULL, /*DEAD*/")
679 # cast table (for receiver)
681 v
.add_decl
("{self.type_tables[mtype].length},")
683 for stype
in self.type_tables
[mtype
] do
684 if stype
== null then
685 v
.add_decl
("-1, /* empty */")
687 v
.add_decl
("{layout.ids[stype]}, /* {stype} */")
692 v
.add_decl
("0, \{\}, /*DEAD TYPE*/")
697 fun compile_type_resolution_table
(mtype
: MType) do
699 var mclass_type
: MClassType
700 if mtype
isa MNullableType then
701 mclass_type
= mtype
.mtype
.as(MClassType)
703 mclass_type
= mtype
.as(MClassType)
706 var layout
= self.resolution_layout
708 # extern const struct resolution_table_X resolution_table_X
709 self.provide_declaration
("resolution_table_{mtype.c_name}", "extern const struct types resolution_table_{mtype.c_name};")
711 # const struct fts_table_X fts_table_X
713 v
.add_decl
("const struct types resolution_table_{mtype.c_name} = \{")
714 if layout
isa PHLayout[MClassType, MType] then
715 v
.add_decl
("{layout.masks[mclass_type]},")
717 v
.add_decl
("0, /* dummy */")
720 for t
in self.resolution_tables
[mclass_type
] do
722 v
.add_decl
("NULL, /* empty */")
724 # The table stores the result of the type resolution
725 # Therefore, for a receiver `mclass_type`, and a unresolved type `t`
726 # the value stored is tv.
727 var tv
= t
.resolve_for
(mclass_type
, mclass_type
, self.mainmodule
, true)
728 # FIXME: What typeids means here? How can a tv not be live?
729 if self.type_layout
.ids
.has_key
(tv
) then
730 v
.require_declaration
("type_{tv.c_name}")
731 v
.add_decl
("&type_{tv.c_name}, /* {t}: {tv} */")
733 v
.add_decl
("NULL, /* empty ({t}: {tv} not a live type) */")
741 # Globally compile the table of the class mclass
742 # In a link-time optimisation compiler, tables are globally computed
743 # In a true separate compiler (a with dynamic loading) you cannot do this unfortnally
744 fun compile_class_to_c
(mclass
: MClass)
746 var mtype
= mclass
.intro
.bound_mtype
747 var c_name
= mclass
.c_name
748 var c_instance_name
= mclass
.c_instance_name
750 var vft
= self.method_tables
[mclass
]
751 var attrs
= self.attr_tables
[mclass
]
754 var is_dead
= runtime_type_analysis
!= null and not runtime_type_analysis
.live_classes
.has
(mclass
) and mtype
.ctype
== "val*" and mclass
.name
!= "NativeArray"
756 v
.add_decl
("/* runtime class {c_name} */")
760 self.provide_declaration
("class_{c_name}", "extern const struct class class_{c_name};")
761 v
.add_decl
("const struct class class_{c_name} = \{")
762 v
.add_decl
("{self.box_kind_of(mclass)}, /* box_kind */")
764 for i
in [0 .. vft
.length
[ do
765 var mpropdef
= vft
[i
]
766 if mpropdef
== null then
767 v
.add_decl
("NULL, /* empty */")
769 assert mpropdef
isa MMethodDef
770 var rf
= mpropdef
.virtual_runtime_function
771 v
.require_declaration
(rf
.c_name
)
772 v
.add_decl
("(nitmethod_t){rf.c_name}, /* pointer to {mclass.intro_mmodule}:{mclass}:{mpropdef} */")
779 if mtype
.ctype
!= "val*" then
780 if mtype
.mclass
.name
== "Pointer" or mtype
.mclass
.kind
!= extern_kind
then
781 #Build instance struct
782 self.header
.add_decl
("struct instance_{c_instance_name} \{")
783 self.header
.add_decl
("const struct type *type;")
784 self.header
.add_decl
("const struct class *class;")
785 self.header
.add_decl
("{mtype.ctype} value;")
786 self.header
.add_decl
("\};")
789 if not self.runtime_type_analysis
.live_types
.has
(mtype
) then return
792 self.provide_declaration
("BOX_{c_name}", "val* BOX_{c_name}({mtype.ctype});")
793 v
.add_decl
("/* allocate {mtype} */")
794 v
.add_decl
("val* BOX_{mtype.c_name}({mtype.ctype} value) \{")
795 v
.add
("struct instance_{c_instance_name}*res = nit_alloc(sizeof(struct instance_{c_instance_name}));")
796 v
.require_declaration
("type_{c_name}")
797 v
.add
("res->type = &type_{c_name};")
798 v
.require_declaration
("class_{c_name}")
799 v
.add
("res->class = &class_{c_name};")
800 v
.add
("res->value = value;")
801 v
.add
("return (val*)res;")
804 else if mclass
.name
== "NativeArray" then
805 #Build instance struct
806 self.header
.add_decl
("struct instance_{c_instance_name} \{")
807 self.header
.add_decl
("const struct type *type;")
808 self.header
.add_decl
("const struct class *class;")
809 # NativeArrays are just a instance header followed by a length and an array of values
810 self.header
.add_decl
("int length;")
811 self.header
.add_decl
("val* values[0];")
812 self.header
.add_decl
("\};")
815 self.provide_declaration
("NEW_{c_name}", "{mtype.ctype} NEW_{c_name}(int length, const struct type* type);")
816 v
.add_decl
("/* allocate {mtype} */")
817 v
.add_decl
("{mtype.ctype} NEW_{c_name}(int length, const struct type* type) \{")
818 var res
= v
.get_name
("self")
819 v
.add_decl
("struct instance_{c_instance_name} *{res};")
820 var mtype_elt
= mtype
.arguments
.first
821 v
.add
("{res} = nit_alloc(sizeof(struct instance_{c_instance_name}) + length*sizeof({mtype_elt.ctype}));")
822 v
.add
("{res}->type = type;")
823 hardening_live_type
(v
, "type")
824 v
.require_declaration
("class_{c_name}")
825 v
.add
("{res}->class = &class_{c_name};")
826 v
.add
("{res}->length = length;")
827 v
.add
("return (val*){res};")
833 self.provide_declaration
("NEW_{c_name}", "{mtype.ctype} NEW_{c_name}(const struct type* type);")
834 v
.add_decl
("/* allocate {mtype} */")
835 v
.add_decl
("{mtype.ctype} NEW_{c_name}(const struct type* type) \{")
837 v
.add_abort
("{mclass} is DEAD")
839 var res
= v
.new_named_var
(mtype
, "self")
841 v
.add
("{res} = nit_alloc(sizeof(struct instance) + {attrs.length}*sizeof(nitattribute_t));")
842 v
.add
("{res}->type = type;")
843 hardening_live_type
(v
, "type")
844 v
.require_declaration
("class_{c_name}")
845 v
.add
("{res}->class = &class_{c_name};")
846 self.generate_init_attr
(v
, res
, mtype
)
847 v
.add
("return {res};")
852 # Add a dynamic test to ensure that the type referenced by `t` is a live type
853 fun hardening_live_type
(v
: VISITOR, t
: String)
855 if not v
.compiler
.modelbuilder
.toolcontext
.opt_hardening
.value
then return
856 v
.add
("if({t} == NULL) \{")
857 v
.add_abort
("type null")
859 v
.add
("if({t}->table_size == 0) \{")
860 v
.add
("fprintf(stderr, \"Insantiation of a dead
type: %s\\n\
", {t}->name);")
861 v
.add_abort
("type dead")
865 redef fun new_visitor
do return new SeparateCompilerVisitor(self)
869 private var type_tables
: Map[MType, Array[nullable MType]] = new HashMap[MType, Array[nullable MType]]
870 private var resolution_tables
: Map[MClassType, Array[nullable MType]] = new HashMap[MClassType, Array[nullable MType]]
871 protected var method_tables
: Map[MClass, Array[nullable MPropDef]] = new HashMap[MClass, Array[nullable MPropDef]]
872 protected var attr_tables
: Map[MClass, Array[nullable MPropDef]] = new HashMap[MClass, Array[nullable MPropDef]]
874 redef fun display_stats
877 if self.modelbuilder
.toolcontext
.opt_tables_metrics
.value
then
881 var tc
= self.modelbuilder
.toolcontext
882 tc
.info
("# implementation of method invocation",2)
883 var nb_invok_total
= modelbuilder
.nb_invok_by_tables
+ modelbuilder
.nb_invok_by_direct
+ modelbuilder
.nb_invok_by_inline
884 tc
.info
("total number of invocations: {nb_invok_total}",2)
885 tc
.info
("invocations by VFT send: {modelbuilder.nb_invok_by_tables} ({div(modelbuilder.nb_invok_by_tables,nb_invok_total)}%)",2)
886 tc
.info
("invocations by direct call: {modelbuilder.nb_invok_by_direct} ({div(modelbuilder.nb_invok_by_direct,nb_invok_total)}%)",2)
887 tc
.info
("invocations by inlining: {modelbuilder.nb_invok_by_inline} ({div(modelbuilder.nb_invok_by_inline,nb_invok_total)}%)",2)
892 print
"# size of subtyping tables"
893 print
"\ttotal \tholes"
896 for t
, table
in type_tables
do
897 total
+= table
.length
898 for e
in table
do if e
== null then holes
+= 1
900 print
"\t{total}\t{holes}"
902 print
"# size of resolution tables"
903 print
"\ttotal \tholes"
906 for t
, table
in resolution_tables
do
907 total
+= table
.length
908 for e
in table
do if e
== null then holes
+= 1
910 print
"\t{total}\t{holes}"
912 print
"# size of methods tables"
913 print
"\ttotal \tholes"
916 for t
, table
in method_tables
do
917 total
+= table
.length
918 for e
in table
do if e
== null then holes
+= 1
920 print
"\t{total}\t{holes}"
922 print
"# size of attributes tables"
923 print
"\ttotal \tholes"
926 for t
, table
in attr_tables
do
927 total
+= table
.length
928 for e
in table
do if e
== null then holes
+= 1
930 print
"\t{total}\t{holes}"
933 redef fun compile_nitni_structs
935 self.header
.add_decl
("struct nitni_instance \{struct instance *value;\};")
938 redef fun finalize_ffi_for_module
(mmodule
)
940 var old_module
= self.mainmodule
941 self.mainmodule
= mmodule
943 self.mainmodule
= old_module
947 # A visitor on the AST of property definition that generate the C code of a separate compilation process.
948 class SeparateCompilerVisitor
949 super AbstractCompilerVisitor
951 redef type COMPILER: SeparateCompiler
953 redef fun adapt_signature
(m
, args
)
955 var msignature
= m
.msignature
.resolve_for
(m
.mclassdef
.bound_mtype
, m
.mclassdef
.bound_mtype
, m
.mclassdef
.mmodule
, true)
956 var recv
= args
.first
957 if recv
.mtype
.ctype
!= m
.mclassdef
.mclass
.mclass_type
.ctype
then
958 args
.first
= self.autobox
(args
.first
, m
.mclassdef
.mclass
.mclass_type
)
960 for i
in [0..msignature
.arity
[ do
961 var t
= msignature
.mparameters
[i
].mtype
962 if i
== msignature
.vararg_rank
then
965 args
[i
+1] = self.autobox
(args
[i
+1], t
)
969 redef fun autobox
(value
, mtype
)
971 if value
.mtype
== mtype
then
973 else if value
.mtype
.ctype
== "val*" and mtype
.ctype
== "val*" then
975 else if value
.mtype
.ctype
== "val*" then
976 return self.new_expr
("((struct instance_{mtype.c_instance_name}*){value})->value; /* autounbox from {value.mtype} to {mtype} */", mtype
)
977 else if mtype
.ctype
== "val*" then
978 var valtype
= value
.mtype
.as(MClassType)
979 var res
= self.new_var
(mtype
)
980 if compiler
.runtime_type_analysis
!= null and not compiler
.runtime_type_analysis
.live_types
.has
(valtype
) then
981 self.add
("/*no autobox from {value.mtype} to {mtype}: {value.mtype} is not live! */")
982 self.add
("printf(\"Dead code executed
!\\n\
"); show_backtrace(1);")
985 self.require_declaration
("BOX_{valtype.c_name}")
986 self.add
("{res} = BOX_{valtype.c_name}({value}); /* autobox from {value.mtype} to {mtype} */")
988 else if value
.mtype
.ctype
== "void*" and mtype
.ctype
== "void*" then
991 # Bad things will appen!
992 var res
= self.new_var
(mtype
)
993 self.add
("/* {res} left unintialized (cannot convert {value.mtype} to {mtype}) */")
994 self.add
("printf(\"Cast error
: Cannot cast
%s to
%s
.\\n\
", \"{value.mtype}\
", \"{mtype}\
"); show_backtrace(1);")
999 # Return a C expression returning the runtime type structure of the value
1000 # The point of the method is to works also with primitives types.
1001 fun type_info
(value
: RuntimeVariable): String
1003 if value
.mtype
.ctype
== "val*" then
1004 return "{value}->type"
1006 compiler
.undead_types
.add
(value
.mtype
)
1007 self.require_declaration
("type_{value.mtype.c_name}")
1008 return "(&type_{value.mtype.c_name})"
1012 redef fun compile_callsite
(callsite
, args
)
1014 var rta
= compiler
.runtime_type_analysis
1015 var recv
= args
.first
.mtype
1016 if compiler
.modelbuilder
.toolcontext
.opt_direct_call_monomorph
.value
and rta
!= null then
1017 var tgs
= rta
.live_targets
(callsite
)
1018 if tgs
.length
== 1 then
1020 var mmethod
= callsite
.mproperty
1021 self.varargize
(mmethod
.intro
, mmethod
.intro
.msignature
.as(not null), args
)
1022 var res0
= before_send
(mmethod
, args
)
1023 var res
= call
(tgs
.first
, tgs
.first
.mclassdef
.bound_mtype
, args
)
1024 if res0
!= null then
1026 self.assign
(res0
, res
)
1029 add
("\}") # close the before_send
1035 redef fun send
(mmethod
, arguments
)
1037 self.varargize
(mmethod
.intro
, mmethod
.intro
.msignature
.as(not null), arguments
)
1039 if arguments
.first
.mcasttype
.ctype
!= "val*" then
1040 # In order to shortcut the primitive, we need to find the most specific method
1041 # Howverr, because of performance (no flattening), we always work on the realmainmodule
1042 var m
= self.compiler
.mainmodule
1043 self.compiler
.mainmodule
= self.compiler
.realmainmodule
1044 var res
= self.monomorphic_send
(mmethod
, arguments
.first
.mcasttype
, arguments
)
1045 self.compiler
.mainmodule
= m
1049 return table_send
(mmethod
, arguments
, mmethod
.const_color
)
1052 # Handel common special cases before doing the effective method invocation
1053 # This methods handle the `==` and `!=` methods and the case of the null receiver.
1054 # Note: a { is open in the generated C, that enclose and protect the effective method invocation.
1055 # Client must not forget to close the } after them.
1057 # The value returned is the result of the common special cases.
1058 # If not null, client must compine it with the result of their own effective method invocation.
1060 # If `before_send` can shortcut the whole message sending, a dummy `if(0){`
1061 # is generated to cancel the effective method invocation that will follow
1062 # TODO: find a better approach
1063 private fun before_send
(mmethod
: MMethod, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
1065 var res
: nullable RuntimeVariable = null
1066 var recv
= arguments
.first
1067 var consider_null
= not self.compiler
.modelbuilder
.toolcontext
.opt_no_check_other
.value
or mmethod
.name
== "==" or mmethod
.name
== "!="
1068 var maybenull
= recv
.mcasttype
isa MNullableType and consider_null
1070 self.add
("if ({recv} == NULL) \{")
1071 if mmethod
.name
== "==" then
1072 res
= self.new_var
(bool_type
)
1073 var arg
= arguments
[1]
1074 if arg
.mcasttype
isa MNullableType then
1075 self.add
("{res} = ({arg} == NULL);")
1076 else if arg
.mcasttype
isa MNullType then
1077 self.add
("{res} = 1; /* is null */")
1079 self.add
("{res} = 0; /* {arg.inspect} cannot be null */")
1081 else if mmethod
.name
== "!=" then
1082 res
= self.new_var
(bool_type
)
1083 var arg
= arguments
[1]
1084 if arg
.mcasttype
isa MNullableType then
1085 self.add
("{res} = ({arg} != NULL);")
1086 else if arg
.mcasttype
isa MNullType then
1087 self.add
("{res} = 0; /* is null */")
1089 self.add
("{res} = 1; /* {arg.inspect} cannot be null */")
1092 self.add_abort
("Receiver is null")
1094 self.add
("\} else \{")
1098 if not self.compiler
.modelbuilder
.toolcontext
.opt_no_shortcut_equate
.value
and (mmethod
.name
== "==" or mmethod
.name
== "!=") then
1099 if res
== null then res
= self.new_var
(bool_type
)
1100 # Recv is not null, thus is arg is, it is easy to conclude (and respect the invariants)
1101 var arg
= arguments
[1]
1102 if arg
.mcasttype
isa MNullType then
1103 if mmethod
.name
== "==" then
1104 self.add
("{res} = 0; /* arg is null but recv is not */")
1106 self.add
("{res} = 1; /* arg is null and recv is not */")
1108 self.add
("\}") # closes the null case
1109 self.add
("if (0) \{") # what follow is useless, CC will drop it
1115 private fun table_send
(mmethod
: MMethod, arguments
: Array[RuntimeVariable], const_color
: String): nullable RuntimeVariable
1117 compiler
.modelbuilder
.nb_invok_by_tables
+= 1
1118 if compiler
.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then add
("count_invoke_by_tables++;")
1120 assert arguments
.length
== mmethod
.intro
.msignature
.arity
+ 1 else debug
("Invalid arity for {mmethod}. {arguments.length} arguments given.")
1121 var recv
= arguments
.first
1123 var res0
= before_send
(mmethod
, arguments
)
1125 var res
: nullable RuntimeVariable
1126 var msignature
= mmethod
.intro
.msignature
.resolve_for
(mmethod
.intro
.mclassdef
.bound_mtype
, mmethod
.intro
.mclassdef
.bound_mtype
, mmethod
.intro
.mclassdef
.mmodule
, true)
1127 var ret
= msignature
.return_mtype
1128 if mmethod
.is_new
then
1129 ret
= arguments
.first
.mtype
1130 res
= self.new_var
(ret
)
1131 else if ret
== null then
1134 res
= self.new_var
(ret
)
1137 var s
= new FlatBuffer
1138 var ss
= new FlatBuffer
1142 for i
in [0..msignature
.arity
[ do
1143 var a
= arguments
[i
+1]
1144 var t
= msignature
.mparameters
[i
].mtype
1145 if i
== msignature
.vararg_rank
then
1146 t
= arguments
[i
+1].mcasttype
1148 s
.append
(", {t.ctype}")
1149 a
= self.autobox
(a
, t
)
1155 if ret
== null then r
= "void" else r
= ret
.ctype
1156 self.require_declaration
(const_color
)
1157 var call
= "(({r} (*)({s}))({arguments.first}->class->vft[{const_color}]))({ss}) /* {mmethod} on {arguments.first.inspect}*/"
1160 self.add
("{res} = {call};")
1165 if res0
!= null then
1171 self.add
("\}") # closes the null case
1176 redef fun call
(mmethoddef
, recvtype
, arguments
)
1178 assert arguments
.length
== mmethoddef
.msignature
.arity
+ 1 else debug
("Invalid arity for {mmethoddef}. {arguments.length} arguments given.")
1180 var res
: nullable RuntimeVariable
1181 var ret
= mmethoddef
.msignature
.return_mtype
1182 if mmethoddef
.mproperty
.is_new
then
1183 ret
= arguments
.first
.mtype
1184 res
= self.new_var
(ret
)
1185 else if ret
== null then
1188 ret
= ret
.resolve_for
(mmethoddef
.mclassdef
.bound_mtype
, mmethoddef
.mclassdef
.bound_mtype
, mmethoddef
.mclassdef
.mmodule
, true)
1189 res
= self.new_var
(ret
)
1192 if (mmethoddef
.is_intern
and not compiler
.modelbuilder
.toolcontext
.opt_no_inline_intern
.value
) or
1193 (compiler
.modelbuilder
.toolcontext
.opt_inline_some_methods
.value
and mmethoddef
.can_inline
(self)) then
1194 compiler
.modelbuilder
.nb_invok_by_inline
+= 1
1195 if compiler
.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then add
("count_invoke_by_inline++;")
1196 var frame
= new Frame(self, mmethoddef
, recvtype
, arguments
)
1197 frame
.returnlabel
= self.get_name
("RET_LABEL")
1198 frame
.returnvar
= res
1199 var old_frame
= self.frame
1201 self.add
("\{ /* Inline {mmethoddef} ({arguments.join(",")}) on {arguments.first.inspect} */")
1202 mmethoddef
.compile_inside_to_c
(self, arguments
)
1203 self.add
("{frame.returnlabel.as(not null)}:(void)0;")
1205 self.frame
= old_frame
1208 compiler
.modelbuilder
.nb_invok_by_direct
+= 1
1209 if compiler
.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then add
("count_invoke_by_direct++;")
1212 self.adapt_signature
(mmethoddef
, arguments
)
1214 self.require_declaration
(mmethoddef
.c_name
)
1216 self.add
("{mmethoddef.c_name}({arguments.join(", ")}); /* Direct call {mmethoddef} on {arguments.first.inspect}*/")
1219 self.add
("{res} = {mmethoddef.c_name}({arguments.join(", ")});")
1225 redef fun supercall
(m
: MMethodDef, recvtype
: MClassType, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
1227 if arguments
.first
.mcasttype
.ctype
!= "val*" then
1228 # In order to shortcut the primitive, we need to find the most specific method
1229 # However, because of performance (no flattening), we always work on the realmainmodule
1230 var main
= self.compiler
.mainmodule
1231 self.compiler
.mainmodule
= self.compiler
.realmainmodule
1232 var res
= self.monomorphic_super_send
(m
, recvtype
, arguments
)
1233 self.compiler
.mainmodule
= main
1236 return table_send
(m
.mproperty
, arguments
, m
.const_color
)
1239 redef fun vararg_instance
(mpropdef
, recv
, varargs
, elttype
)
1241 # A vararg must be stored into an new array
1242 # The trick is that the dymaic type of the array may depends on the receiver
1243 # of the method (ie recv) if the static type is unresolved
1244 # This is more complex than usual because the unresolved type must not be resolved
1245 # with the current receiver (ie self).
1246 # Therefore to isolate the resolution from self, a local Frame is created.
1247 # One can see this implementation as an inlined method of the receiver whose only
1248 # job is to allocate the array
1249 var old_frame
= self.frame
1250 var frame
= new Frame(self, mpropdef
, mpropdef
.mclassdef
.bound_mtype
, [recv
])
1252 #print "required Array[{elttype}] for recv {recv.inspect}. bound=Array[{self.resolve_for(elttype, recv)}]. selfvar={frame.arguments.first.inspect}"
1253 var res
= self.array_instance
(varargs
, elttype
)
1254 self.frame
= old_frame
1258 redef fun isset_attribute
(a
, recv
)
1260 self.check_recv_notnull
(recv
)
1261 var res
= self.new_var
(bool_type
)
1263 # What is the declared type of the attribute?
1264 var mtype
= a
.intro
.static_mtype
.as(not null)
1265 var intromclassdef
= a
.intro
.mclassdef
1266 mtype
= mtype
.resolve_for
(intromclassdef
.bound_mtype
, intromclassdef
.bound_mtype
, intromclassdef
.mmodule
, true)
1268 if mtype
isa MNullableType then
1269 self.add
("{res} = 1; /* easy isset: {a} on {recv.inspect} */")
1273 self.require_declaration
(a
.const_color
)
1274 if self.compiler
.modelbuilder
.toolcontext
.opt_no_union_attribute
.value
then
1275 self.add
("{res} = {recv}->attrs[{a.const_color}] != NULL; /* {a} on {recv.inspect}*/")
1278 if mtype
.ctype
== "val*" then
1279 self.add
("{res} = {recv}->attrs[{a.const_color}].val != NULL; /* {a} on {recv.inspect} */")
1281 self.add
("{res} = 1; /* NOT YET IMPLEMENTED: isset of primitives: {a} on {recv.inspect} */")
1287 redef fun read_attribute
(a
, recv
)
1289 self.check_recv_notnull
(recv
)
1291 # What is the declared type of the attribute?
1292 var ret
= a
.intro
.static_mtype
.as(not null)
1293 var intromclassdef
= a
.intro
.mclassdef
1294 ret
= ret
.resolve_for
(intromclassdef
.bound_mtype
, intromclassdef
.bound_mtype
, intromclassdef
.mmodule
, true)
1296 self.require_declaration
(a
.const_color
)
1297 if self.compiler
.modelbuilder
.toolcontext
.opt_no_union_attribute
.value
then
1298 # Get the attribute or a box (ie. always a val*)
1299 var cret
= self.object_type
.as_nullable
1300 var res
= self.new_var
(cret
)
1303 self.add
("{res} = {recv}->attrs[{a.const_color}]; /* {a} on {recv.inspect} */")
1305 # Check for Uninitialized attribute
1306 if not ret
isa MNullableType and not self.compiler
.modelbuilder
.toolcontext
.opt_no_check_initialization
.value
then
1307 self.add
("if (unlikely({res} == NULL)) \{")
1308 self.add_abort
("Uninitialized attribute {a.name}")
1312 # Return the attribute or its unboxed version
1313 # Note: it is mandatory since we reuse the box on write, we do not whant that the box escapes
1314 return self.autobox
(res
, ret
)
1316 var res
= self.new_var
(ret
)
1317 self.add
("{res} = {recv}->attrs[{a.const_color}].{ret.ctypename}; /* {a} on {recv.inspect} */")
1319 # Check for Uninitialized attribute
1320 if ret
.ctype
== "val*" and not ret
isa MNullableType and not self.compiler
.modelbuilder
.toolcontext
.opt_no_check_initialization
.value
then
1321 self.add
("if (unlikely({res} == NULL)) \{")
1322 self.add_abort
("Uninitialized attribute {a.name}")
1330 redef fun write_attribute
(a
, recv
, value
)
1332 self.check_recv_notnull
(recv
)
1334 # What is the declared type of the attribute?
1335 var mtype
= a
.intro
.static_mtype
.as(not null)
1336 var intromclassdef
= a
.intro
.mclassdef
1337 mtype
= mtype
.resolve_for
(intromclassdef
.bound_mtype
, intromclassdef
.bound_mtype
, intromclassdef
.mmodule
, true)
1339 # Adapt the value to the declared type
1340 value
= self.autobox
(value
, mtype
)
1342 self.require_declaration
(a
.const_color
)
1343 if self.compiler
.modelbuilder
.toolcontext
.opt_no_union_attribute
.value
then
1344 var attr
= "{recv}->attrs[{a.const_color}]"
1345 if mtype
.ctype
!= "val*" then
1346 assert mtype
isa MClassType
1347 # The attribute is primitive, thus we store it in a box
1348 # The trick is to create the box the first time then resuse the box
1349 self.add
("if ({attr} != NULL) \{")
1350 self.add
("((struct instance_{mtype.c_instance_name}*){attr})->value = {value}; /* {a} on {recv.inspect} */")
1351 self.add
("\} else \{")
1352 value
= self.autobox
(value
, self.object_type
.as_nullable
)
1353 self.add
("{attr} = {value}; /* {a} on {recv.inspect} */")
1356 # The attribute is not primitive, thus store it direclty
1357 self.add
("{attr} = {value}; /* {a} on {recv.inspect} */")
1360 self.add
("{recv}->attrs[{a.const_color}].{mtype.ctypename} = {value}; /* {a} on {recv.inspect} */")
1364 # Check that mtype is a live open type
1365 fun hardening_live_open_type
(mtype
: MType)
1367 if not compiler
.modelbuilder
.toolcontext
.opt_hardening
.value
then return
1368 self.require_declaration
(mtype
.const_color
)
1369 var col
= mtype
.const_color
1370 self.add
("if({col} == -1) \{")
1371 self.add
("fprintf(stderr, \"Resolution of a dead open
type: %s\\n\
", \"{mtype.to_s.escape_to_c}\
");")
1372 self.add_abort
("open type dead")
1376 # Check that mtype it a pointer to a live cast type
1377 fun hardening_cast_type
(t
: String)
1379 if not compiler
.modelbuilder
.toolcontext
.opt_hardening
.value
then return
1380 add
("if({t} == NULL) \{")
1381 add_abort
("cast type null")
1383 add
("if({t}->id == -1 || {t}->color == -1) \{")
1384 add
("fprintf(stderr, \"Try to cast on a dead cast
type: %s\\n\
", {t}->name);")
1385 add_abort
("cast type dead")
1389 redef fun init_instance
(mtype
)
1391 self.require_declaration
("NEW_{mtype.mclass.c_name}")
1392 var compiler
= self.compiler
1393 if mtype
isa MGenericType and mtype
.need_anchor
then
1394 hardening_live_open_type
(mtype
)
1395 link_unresolved_type
(self.frame
.mpropdef
.mclassdef
, mtype
)
1396 var recv
= self.frame
.arguments
.first
1397 var recv_type_info
= self.type_info
(recv
)
1398 self.require_declaration
(mtype
.const_color
)
1399 if compiler
.modelbuilder
.toolcontext
.opt_phmod_typing
.value
or compiler
.modelbuilder
.toolcontext
.opt_phand_typing
.value
then
1400 return self.new_expr
("NEW_{mtype.mclass.c_name}({recv_type_info}->resolution_table->types[HASH({recv_type_info}->resolution_table->mask, {mtype.const_color})])", mtype
)
1402 return self.new_expr
("NEW_{mtype.mclass.c_name}({recv_type_info}->resolution_table->types[{mtype.const_color}])", mtype
)
1405 compiler
.undead_types
.add
(mtype
)
1406 self.require_declaration
("type_{mtype.c_name}")
1407 return self.new_expr
("NEW_{mtype.mclass.c_name}(&type_{mtype.c_name})", mtype
)
1410 redef fun type_test
(value
, mtype
, tag
)
1412 self.add
("/* {value.inspect} isa {mtype} */")
1413 var compiler
= self.compiler
1415 var recv
= self.frame
.arguments
.first
1416 var recv_type_info
= self.type_info
(recv
)
1418 var res
= self.new_var
(bool_type
)
1420 var cltype
= self.get_name
("cltype")
1421 self.add_decl
("int {cltype};")
1422 var idtype
= self.get_name
("idtype")
1423 self.add_decl
("int {idtype};")
1425 var maybe_null
= self.maybe_null
(value
)
1426 var accept_null
= "0"
1428 if ntype
isa MNullableType then
1433 if value
.mcasttype
.is_subtype
(self.frame
.mpropdef
.mclassdef
.mmodule
, self.frame
.mpropdef
.mclassdef
.bound_mtype
, mtype
) then
1434 self.add
("{res} = 1; /* easy {value.inspect} isa {mtype}*/")
1435 if compiler
.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1436 self.compiler
.count_type_test_skipped
[tag
] += 1
1437 self.add
("count_type_test_skipped_{tag}++;")
1442 if ntype
.need_anchor
then
1443 var type_struct
= self.get_name
("type_struct")
1444 self.add_decl
("const struct type* {type_struct};")
1446 # Either with resolution_table with a direct resolution
1447 hardening_live_open_type
(mtype
)
1448 link_unresolved_type
(self.frame
.mpropdef
.mclassdef
, mtype
)
1449 self.require_declaration
(mtype
.const_color
)
1450 if compiler
.modelbuilder
.toolcontext
.opt_phmod_typing
.value
or compiler
.modelbuilder
.toolcontext
.opt_phand_typing
.value
then
1451 self.add
("{type_struct} = {recv_type_info}->resolution_table->types[HASH({recv_type_info}->resolution_table->mask, {mtype.const_color})];")
1453 self.add
("{type_struct} = {recv_type_info}->resolution_table->types[{mtype.const_color}];")
1455 if compiler
.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1456 self.compiler
.count_type_test_unresolved
[tag
] += 1
1457 self.add
("count_type_test_unresolved_{tag}++;")
1459 hardening_cast_type
(type_struct
)
1460 self.add
("{cltype} = {type_struct}->color;")
1461 self.add
("{idtype} = {type_struct}->id;")
1462 if maybe_null
and accept_null
== "0" then
1463 var is_nullable
= self.get_name
("is_nullable")
1464 self.add_decl
("short int {is_nullable};")
1465 self.add
("{is_nullable} = {type_struct}->is_nullable;")
1466 accept_null
= is_nullable
.to_s
1468 else if ntype
isa MClassType then
1469 compiler
.undead_types
.add
(mtype
)
1470 self.require_declaration
("type_{mtype.c_name}")
1471 hardening_cast_type
("(&type_{mtype.c_name})")
1472 self.add
("{cltype} = type_{mtype.c_name}.color;")
1473 self.add
("{idtype} = type_{mtype.c_name}.id;")
1474 if compiler
.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1475 self.compiler
.count_type_test_resolved
[tag
] += 1
1476 self.add
("count_type_test_resolved_{tag}++;")
1479 self.add
("printf(\"NOT YET IMPLEMENTED: type_test
(%s
, {mtype}).\\n\
", \"{value.inspect}\
"); show_backtrace(1);")
1482 # check color is in table
1484 self.add
("if({value} == NULL) \{")
1485 self.add
("{res} = {accept_null};")
1486 self.add
("\} else \{")
1488 var value_type_info
= self.type_info
(value
)
1489 if compiler
.modelbuilder
.toolcontext
.opt_phmod_typing
.value
or compiler
.modelbuilder
.toolcontext
.opt_phand_typing
.value
then
1490 self.add
("{cltype} = HASH({value_type_info}->color, {idtype});")
1492 self.add
("if({cltype} >= {value_type_info}->table_size) \{")
1493 self.add
("{res} = 0;")
1494 self.add
("\} else \{")
1495 self.add
("{res} = {value_type_info}->type_table[{cltype}] == {idtype};")
1504 redef fun is_same_type_test
(value1
, value2
)
1506 var res
= self.new_var
(bool_type
)
1507 # Swap values to be symetric
1508 if value2
.mtype
.ctype
!= "val*" and value1
.mtype
.ctype
== "val*" then
1513 if value1
.mtype
.ctype
!= "val*" then
1514 if value2
.mtype
== value1
.mtype
then
1515 self.add
("{res} = 1; /* is_same_type_test: compatible types {value1.mtype} vs. {value2.mtype} */")
1516 else if value2
.mtype
.ctype
!= "val*" then
1517 self.add
("{res} = 0; /* is_same_type_test: incompatible types {value1.mtype} vs. {value2.mtype}*/")
1519 var mtype1
= value1
.mtype
.as(MClassType)
1520 self.require_declaration
("class_{mtype1.c_name}")
1521 self.add
("{res} = ({value2} != NULL) && ({value2}->class == &class_{mtype1.c_name}); /* is_same_type_test */")
1524 self.add
("{res} = ({value1} == {value2}) || ({value1} != NULL && {value2} != NULL && {value1}->class == {value2}->class); /* is_same_type_test */")
1529 redef fun class_name_string
(value
)
1531 var res
= self.get_name
("var_class_name")
1532 self.add_decl
("const char* {res};")
1533 if value
.mtype
.ctype
== "val*" then
1534 self.add
"{res} = {value} == NULL ? \"null\
" : {value}->type->name;"
1535 else if value
.mtype
isa MClassType and value
.mtype
.as(MClassType).mclass
.kind
== extern_kind
then
1536 self.add
"{res} = \"{value.mtype.as(MClassType).mclass}\
";"
1538 self.require_declaration
("type_{value.mtype.c_name}")
1539 self.add
"{res} = type_{value.mtype.c_name}.name;"
1544 redef fun equal_test
(value1
, value2
)
1546 var res
= self.new_var
(bool_type
)
1547 if value2
.mtype
.ctype
!= "val*" and value1
.mtype
.ctype
== "val*" then
1552 if value1
.mtype
.ctype
!= "val*" then
1553 if value2
.mtype
== value1
.mtype
then
1554 self.add
("{res} = {value1} == {value2};")
1555 else if value2
.mtype
.ctype
!= "val*" then
1556 self.add
("{res} = 0; /* incompatible types {value1.mtype} vs. {value2.mtype}*/")
1558 var mtype1
= value1
.mtype
.as(MClassType)
1559 self.require_declaration
("class_{mtype1.c_name}")
1560 self.add
("{res} = ({value2} != NULL) && ({value2}->class == &class_{mtype1.c_name});")
1561 self.add
("if ({res}) \{")
1562 self.add
("{res} = ({self.autobox(value2, value1.mtype)} == {value1});")
1567 var maybe_null
= true
1568 var test
= new Array[String]
1569 var t1
= value1
.mcasttype
1570 if t1
isa MNullableType then
1571 test
.add
("{value1} != NULL")
1576 var t2
= value2
.mcasttype
1577 if t2
isa MNullableType then
1578 test
.add
("{value2} != NULL")
1584 var incompatible
= false
1586 if t1
.ctype
!= "val*" then
1589 # No need to compare class
1590 else if t2
.ctype
!= "val*" then
1592 else if can_be_primitive
(value2
) then
1593 test
.add
("{value1}->class == {value2}->class")
1597 else if t2
.ctype
!= "val*" then
1599 if can_be_primitive
(value1
) then
1600 test
.add
("{value1}->class == {value2}->class")
1608 if incompatible
then
1610 self.add
("{res} = {value1} == {value2}; /* incompatible types {t1} vs. {t2}; but may be NULL*/")
1613 self.add
("{res} = 0; /* incompatible types {t1} vs. {t2}; cannot be NULL */")
1617 if primitive
!= null then
1618 test
.add
("((struct instance_{primitive.c_instance_name}*){value1})->value == ((struct instance_{primitive.c_instance_name}*){value2})->value")
1619 else if can_be_primitive
(value1
) and can_be_primitive
(value2
) then
1620 test
.add
("{value1}->class == {value2}->class")
1621 var s
= new Array[String]
1622 for t
, v
in self.compiler
.box_kinds
do
1623 s
.add
"({value1}->class->box_kind == {v} && ((struct instance_{t.c_instance_name}*){value1})->value == ((struct instance_{t.c_instance_name}*){value2})->value)"
1625 test
.add
("({s.join(" || ")})")
1627 self.add
("{res} = {value1} == {value2};")
1630 self.add
("{res} = {value1} == {value2} || ({test.join(" && ")});")
1634 fun can_be_primitive
(value
: RuntimeVariable): Bool
1636 var t
= value
.mcasttype
1637 if t
isa MNullableType then t
= t
.mtype
1638 if not t
isa MClassType then return false
1639 var k
= t
.mclass
.kind
1640 return k
== interface_kind
or t
.ctype
!= "val*"
1643 fun maybe_null
(value
: RuntimeVariable): Bool
1645 var t
= value
.mcasttype
1646 return t
isa MNullableType or t
isa MNullType
1649 redef fun array_instance
(array
, elttype
)
1651 var nclass
= self.get_class
("NativeArray")
1652 var arrayclass
= self.get_class
("Array")
1653 var arraytype
= arrayclass
.get_mtype
([elttype
])
1654 var res
= self.init_instance
(arraytype
)
1655 self.add
("\{ /* {res} = array_instance Array[{elttype}] */")
1656 var length
= self.int_instance
(array
.length
)
1657 var nat
= native_array_instance
(elttype
, length
)
1658 for i
in [0..array
.length
[ do
1659 var r
= self.autobox
(array
[i
], self.object_type
)
1660 self.add
("((struct instance_{nclass.c_name}*){nat})->values[{i}] = (val*) {r};")
1662 self.send
(self.get_property
("with_native", arrayclass
.intro
.bound_mtype
), [res
, nat
, length
])
1667 fun native_array_instance
(elttype
: MType, length
: RuntimeVariable): RuntimeVariable
1669 var mtype
= self.get_class
("NativeArray").get_mtype
([elttype
])
1670 self.require_declaration
("NEW_{mtype.mclass.c_name}")
1671 assert mtype
isa MGenericType
1672 var compiler
= self.compiler
1673 if mtype
.need_anchor
then
1674 hardening_live_open_type
(mtype
)
1675 link_unresolved_type
(self.frame
.mpropdef
.mclassdef
, mtype
)
1676 var recv
= self.frame
.arguments
.first
1677 var recv_type_info
= self.type_info
(recv
)
1678 self.require_declaration
(mtype
.const_color
)
1679 if compiler
.modelbuilder
.toolcontext
.opt_phmod_typing
.value
or compiler
.modelbuilder
.toolcontext
.opt_phand_typing
.value
then
1680 return self.new_expr
("NEW_{mtype.mclass.c_name}({length}, {recv_type_info}->resolution_table->types[HASH({recv_type_info}->resolution_table->mask, {mtype.const_color})])", mtype
)
1682 return self.new_expr
("NEW_{mtype.mclass.c_name}({length}, {recv_type_info}->resolution_table->types[{mtype.const_color}])", mtype
)
1685 compiler
.undead_types
.add
(mtype
)
1686 self.require_declaration
("type_{mtype.c_name}")
1687 return self.new_expr
("NEW_{mtype.mclass.c_name}({length}, &type_{mtype.c_name})", mtype
)
1690 redef fun native_array_def
(pname
, ret_type
, arguments
)
1692 var elttype
= arguments
.first
.mtype
1693 var nclass
= self.get_class
("NativeArray")
1694 var recv
= "((struct instance_{nclass.c_instance_name}*){arguments[0]})->values"
1695 if pname
== "[]" then
1696 self.ret
(self.new_expr
("{recv}[{arguments[1]}]", ret_type
.as(not null)))
1698 else if pname
== "[]=" then
1699 self.add
("{recv}[{arguments[1]}]={arguments[2]};")
1701 else if pname
== "length" then
1702 self.ret
(self.new_expr
("((struct instance_{nclass.c_instance_name}*){arguments[0]})->length", ret_type
.as(not null)))
1704 else if pname
== "copy_to" then
1705 var recv1
= "((struct instance_{nclass.c_instance_name}*){arguments[1]})->values"
1706 self.add
("memcpy({recv1}, {recv}, {arguments[2]}*sizeof({elttype.ctype}));")
1711 redef fun calloc_array
(ret_type
, arguments
)
1713 var mclass
= self.get_class
("ArrayCapable")
1714 var ft
= mclass
.mclass_type
.arguments
.first
.as(MParameterType)
1715 var res
= self.native_array_instance
(ft
, arguments
[1])
1719 fun link_unresolved_type
(mclassdef
: MClassDef, mtype
: MType) do
1720 assert mtype
.need_anchor
1721 var compiler
= self.compiler
1722 if not compiler
.live_unresolved_types
.has_key
(self.frame
.mpropdef
.mclassdef
) then
1723 compiler
.live_unresolved_types
[self.frame
.mpropdef
.mclassdef
] = new HashSet[MType]
1725 compiler
.live_unresolved_types
[self.frame
.mpropdef
.mclassdef
].add
(mtype
)
1729 redef class MMethodDef
1730 fun separate_runtime_function
: AbstractRuntimeFunction
1732 var res
= self.separate_runtime_function_cache
1734 res
= new SeparateRuntimeFunction(self)
1735 self.separate_runtime_function_cache
= res
1739 private var separate_runtime_function_cache
: nullable SeparateRuntimeFunction
1741 fun virtual_runtime_function
: AbstractRuntimeFunction
1743 var res
= self.virtual_runtime_function_cache
1745 res
= new VirtualRuntimeFunction(self)
1746 self.virtual_runtime_function_cache
= res
1750 private var virtual_runtime_function_cache
: nullable VirtualRuntimeFunction
1753 # The C function associated to a methoddef separately compiled
1754 class SeparateRuntimeFunction
1755 super AbstractRuntimeFunction
1757 redef fun build_c_name
: String do return "{mmethoddef.c_name}"
1759 redef fun to_s
do return self.mmethoddef
.to_s
1761 redef fun compile_to_c
(compiler
)
1763 var mmethoddef
= self.mmethoddef
1765 var recv
= self.mmethoddef
.mclassdef
.bound_mtype
1766 var v
= compiler
.new_visitor
1767 var selfvar
= new RuntimeVariable("self", recv
, recv
)
1768 var arguments
= new Array[RuntimeVariable]
1769 var frame
= new Frame(v
, mmethoddef
, recv
, arguments
)
1772 var msignature
= mmethoddef
.msignature
.resolve_for
(mmethoddef
.mclassdef
.bound_mtype
, mmethoddef
.mclassdef
.bound_mtype
, mmethoddef
.mclassdef
.mmodule
, true)
1774 var sig
= new FlatBuffer
1775 var comment
= new FlatBuffer
1776 var ret
= msignature
.return_mtype
1778 sig
.append
("{ret.ctype} ")
1779 else if mmethoddef
.mproperty
.is_new
then
1781 sig
.append
("{ret.ctype} ")
1785 sig
.append
(self.c_name
)
1786 sig
.append
("({selfvar.mtype.ctype} {selfvar}")
1787 comment
.append
("({selfvar}: {selfvar.mtype}")
1788 arguments
.add
(selfvar
)
1789 for i
in [0..msignature
.arity
[ do
1790 var mtype
= msignature
.mparameters
[i
].mtype
1791 if i
== msignature
.vararg_rank
then
1792 mtype
= v
.get_class
("Array").get_mtype
([mtype
])
1794 comment
.append
(", {mtype}")
1795 sig
.append
(", {mtype.ctype} p{i}")
1796 var argvar
= new RuntimeVariable("p{i}", mtype
, mtype
)
1797 arguments
.add
(argvar
)
1802 comment
.append
(": {ret}")
1804 compiler
.provide_declaration
(self.c_name
, "{sig};")
1806 v
.add_decl
("/* method {self} for {comment} */")
1807 v
.add_decl
("{sig} \{")
1809 frame
.returnvar
= v
.new_var
(ret
)
1811 frame
.returnlabel
= v
.get_name
("RET_LABEL")
1813 if recv
!= arguments
.first
.mtype
then
1814 #print "{self} {recv} {arguments.first}"
1816 mmethoddef
.compile_inside_to_c
(v
, arguments
)
1818 v
.add
("{frame.returnlabel.as(not null)}:;")
1820 v
.add
("return {frame.returnvar.as(not null)};")
1823 if not self.c_name
.has_substring
("VIRTUAL", 0) then compiler
.names
[self.c_name
] = "{mmethoddef.mclassdef.mmodule.name}::{mmethoddef.mclassdef.mclass.name}::{mmethoddef.mproperty.name} ({mmethoddef.location.file.filename}:{mmethoddef.location.line_start})"
1827 # The C function associated to a methoddef on a primitive type, stored into a VFT of a class
1828 # The first parameter (the reciever) is always typed by val* in order to accept an object value
1829 class VirtualRuntimeFunction
1830 super AbstractRuntimeFunction
1832 redef fun build_c_name
: String do return "VIRTUAL_{mmethoddef.c_name}"
1834 redef fun to_s
do return self.mmethoddef
.to_s
1836 redef fun compile_to_c
(compiler
)
1838 var mmethoddef
= self.mmethoddef
1840 var recv
= self.mmethoddef
.mclassdef
.bound_mtype
1841 var v
= compiler
.new_visitor
1842 var selfvar
= new RuntimeVariable("self", v
.object_type
, recv
)
1843 var arguments
= new Array[RuntimeVariable]
1844 var frame
= new Frame(v
, mmethoddef
, recv
, arguments
)
1847 var sig
= new FlatBuffer
1848 var comment
= new FlatBuffer
1850 # Because the function is virtual, the signature must match the one of the original class
1851 var intromclassdef
= self.mmethoddef
.mproperty
.intro
.mclassdef
1852 var msignature
= mmethoddef
.mproperty
.intro
.msignature
.resolve_for
(intromclassdef
.bound_mtype
, intromclassdef
.bound_mtype
, intromclassdef
.mmodule
, true)
1853 var ret
= msignature
.return_mtype
1855 sig
.append
("{ret.ctype} ")
1856 else if mmethoddef
.mproperty
.is_new
then
1858 sig
.append
("{ret.ctype} ")
1862 sig
.append
(self.c_name
)
1863 sig
.append
("({selfvar.mtype.ctype} {selfvar}")
1864 comment
.append
("({selfvar}: {selfvar.mtype}")
1865 arguments
.add
(selfvar
)
1866 for i
in [0..msignature
.arity
[ do
1867 var mtype
= msignature
.mparameters
[i
].mtype
1868 if i
== msignature
.vararg_rank
then
1869 mtype
= v
.get_class
("Array").get_mtype
([mtype
])
1871 comment
.append
(", {mtype}")
1872 sig
.append
(", {mtype.ctype} p{i}")
1873 var argvar
= new RuntimeVariable("p{i}", mtype
, mtype
)
1874 arguments
.add
(argvar
)
1879 comment
.append
(": {ret}")
1881 compiler
.provide_declaration
(self.c_name
, "{sig};")
1883 v
.add_decl
("/* method {self} for {comment} */")
1884 v
.add_decl
("{sig} \{")
1886 frame
.returnvar
= v
.new_var
(ret
)
1888 frame
.returnlabel
= v
.get_name
("RET_LABEL")
1890 var subret
= v
.call
(mmethoddef
, recv
, arguments
)
1892 assert subret
!= null
1893 v
.assign
(frame
.returnvar
.as(not null), subret
)
1896 v
.add
("{frame.returnlabel.as(not null)}:;")
1898 v
.add
("return {frame.returnvar.as(not null)};")
1901 if not self.c_name
.has_substring
("VIRTUAL", 0) then compiler
.names
[self.c_name
] = "{mmethoddef.mclassdef.mmodule.name}::{mmethoddef.mclassdef.mclass.name}::{mmethoddef.mproperty.name} ({mmethoddef.location.file.filename}--{mmethoddef.location.line_start})"
1905 redef fun call
(v
, arguments
) do abort
1909 fun const_color
: String do return "COLOR_{c_name}"
1911 # C name of the instance type to use
1912 fun c_instance_name
: String do return c_name
1915 redef class MClassType
1916 redef fun c_instance_name
do return mclass
.c_instance_name
1920 # Extern classes use the C instance of kernel::Pointer
1921 fun c_instance_name
: String
1923 if kind
== extern_kind
then
1924 return "kernel__Pointer"
1929 redef class MProperty
1930 fun const_color
: String do return "COLOR_{c_name}"
1933 redef class MPropDef
1934 fun const_color
: String do return "COLOR_{c_name}"