+++ /dev/null
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Separate compilation of a Nit program with generic type erasure
-module separate_erasure_compiler
-
-intrude import separate_compiler
-
-# Add separate erased compiler specific options
-redef class ToolContext
- # --erasure
- var opt_erasure: OptionBool = new OptionBool("Erase generic types", "--erasure")
- # --rta
- var opt_rta = new OptionBool("Activate RTA (implicit with --global and --separate)", "--rta")
- # --no-check-erasure-cast
- var opt_no_check_erasure_cast: OptionBool = new OptionBool("Disable implicit casts on unsafe return with erasure-typing policy (dangerous)", "--no-check-erasure-cast")
-
- redef init
- do
- super
- self.option_context.add_option(self.opt_erasure, self.opt_no_check_erasure_cast, opt_rta)
- end
-
- redef fun process_options(args)
- do
- super
-
- if opt_no_check_all.value then
- opt_no_check_erasure_cast.value = true
- end
- end
-
- var erasure_compiler_phase = new ErasureCompilerPhase(self, null)
-end
-
-class ErasureCompilerPhase
- super Phase
- redef fun process_mainmodule(mainmodule, given_mmodules) do
- if not toolcontext.opt_erasure.value then return
-
- var modelbuilder = toolcontext.modelbuilder
- var analysis = null
- if toolcontext.opt_rta.value then
- analysis = modelbuilder.do_rapid_type_analysis(mainmodule)
- end
- modelbuilder.run_separate_erasure_compiler(mainmodule, analysis)
- end
-end
-
-redef class ModelBuilder
- fun run_separate_erasure_compiler(mainmodule: MModule, runtime_type_analysis: nullable RapidTypeAnalysis)
- do
- var time0 = get_time
- self.toolcontext.info("*** GENERATING C ***", 1)
-
- var compiler = new SeparateErasureCompiler(mainmodule, self, runtime_type_analysis)
- compiler.compile_header
-
- # compile class structures
- self.toolcontext.info("Property coloring", 2)
- compiler.new_file("{mainmodule.name}.tables")
- compiler.do_property_coloring
- for m in mainmodule.in_importation.greaters do
- for mclass in m.intro_mclasses do
- compiler.compile_class_to_c(mclass)
- end
- end
- compiler.compile_color_consts(compiler.vt_colors)
-
- # The main function of the C
- compiler.new_file("{mainmodule.name}.main")
- compiler.compile_nitni_global_ref_functions
- compiler.compile_main_function
-
- # compile methods
- for m in mainmodule.in_importation.greaters do
- self.toolcontext.info("Generate C for module {m}", 2)
- compiler.new_file("{m.name}.sep")
- compiler.compile_module_to_c(m)
- end
-
- compiler.display_stats
-
- var time1 = get_time
- self.toolcontext.info("*** END GENERATING C: {time1-time0} ***", 2)
- write_and_make(compiler)
- end
-end
-
-class SeparateErasureCompiler
- super SeparateCompiler
-
- private var class_ids: Map[MClass, Int]
- private var class_colors: Map[MClass, Int]
- protected var vt_colors: Map[MVirtualTypeProp, Int]
-
- init(mainmodule: MModule, mmbuilder: ModelBuilder, runtime_type_analysis: nullable RapidTypeAnalysis) do
- super
-
- # Class coloring
- var poset = mainmodule.flatten_mclass_hierarchy
- var mclasses = new HashSet[MClass].from(poset)
- var colorer = new POSetColorer[MClass]
- colorer.colorize(poset)
- class_ids = colorer.ids
- class_colors = colorer.colors
- class_tables = self.build_class_typing_tables(mclasses)
-
- # lookup vt to build layout with
- var vts = new HashMap[MClass, Set[MVirtualTypeProp]]
- for mclass in mclasses do
- vts[mclass] = new HashSet[MVirtualTypeProp]
- for mprop in self.mainmodule.properties(mclass) do
- if mprop isa MVirtualTypeProp then
- vts[mclass].add(mprop)
- end
- end
- end
-
- # vt coloration
- var vt_colorer = new POSetBucketsColorer[MClass, MVirtualTypeProp](poset, colorer.conflicts)
- vt_colors = vt_colorer.colorize(vts)
- vt_tables = build_vt_tables(mclasses)
- end
-
- fun build_vt_tables(mclasses: Set[MClass]): Map[MClass, Array[nullable MPropDef]] do
- var tables = new HashMap[MClass, Array[nullable MPropDef]]
- for mclass in mclasses do
- var table = new Array[nullable MPropDef]
- # first, fill table from parents by reverse linearization order
- var parents = new Array[MClass]
- if mainmodule.flatten_mclass_hierarchy.has(mclass) then
- parents = mclass.in_hierarchy(mainmodule).greaters.to_a
- self.mainmodule.linearize_mclasses(parents)
- end
- for parent in parents do
- if parent == mclass then continue
- for mproperty in self.mainmodule.properties(parent) do
- if not mproperty isa MVirtualTypeProp then continue
- var color = vt_colors[mproperty]
- if table.length <= color then
- for i in [table.length .. color[ do
- table[i] = null
- end
- end
- for mpropdef in mproperty.mpropdefs do
- if mpropdef.mclassdef.mclass == parent then
- table[color] = mpropdef
- end
- end
- end
- end
-
- # then override with local properties
- for mproperty in self.mainmodule.properties(mclass) do
- if not mproperty isa MVirtualTypeProp then continue
- var color = vt_colors[mproperty]
- if table.length <= color then
- for i in [table.length .. color[ do
- table[i] = null
- end
- end
- for mpropdef in mproperty.mpropdefs do
- if mpropdef.mclassdef.mclass == mclass then
- table[color] = mpropdef
- end
- end
- end
- tables[mclass] = table
- end
- return tables
- end
-
- # Build class tables
- fun build_class_typing_tables(mclasses: Set[MClass]): Map[MClass, Array[nullable MClass]] do
- var tables = new HashMap[MClass, Array[nullable MClass]]
- for mclass in mclasses do
- var table = new Array[nullable MClass]
- var supers = new Array[MClass]
- if mainmodule.flatten_mclass_hierarchy.has(mclass) then
- supers = mclass.in_hierarchy(mainmodule).greaters.to_a
- end
- for sup in supers do
- var color = class_colors[sup]
- if table.length <= color then
- for i in [table.length .. color[ do
- table[i] = null
- end
- end
- table[color] = sup
- end
- tables[mclass] = table
- end
- return tables
- end
-
- redef fun compile_header_structs do
- self.header.add_decl("typedef void(*nitmethod_t)(void); /* general C type representing a Nit method. */")
- self.compile_header_attribute_structs
- self.header.add_decl("struct class \{ int id; const char *name; int box_kind; int color; const struct vts_table *vts_table; const struct type_table *type_table; nitmethod_t vft[]; \}; /* general C type representing a Nit class. */")
- self.header.add_decl("struct type_table \{ int size; int table[]; \}; /* colorized type table. */")
- self.header.add_decl("struct vts_entry \{ short int is_nullable; const struct class *class; \}; /* link (nullable or not) between the vts and is bound. */")
- self.header.add_decl("struct vts_table \{ int dummy; const struct vts_entry vts[]; \}; /* vts list of a C type representation. */")
- self.header.add_decl("typedef struct instance \{ const struct class *class; nitattribute_t attrs[1]; \} val; /* general C type representing a Nit instance. */")
- end
-
- redef fun compile_class_to_c(mclass: MClass)
- do
- var mtype = mclass.intro.bound_mtype
- var c_name = mclass.c_name
-
- var vft = self.method_tables[mclass]
- var attrs = self.attr_tables[mclass]
- var class_table = self.class_tables[mclass]
- var v = self.new_visitor
-
- var rta = runtime_type_analysis
- var is_dead = mclass.kind == abstract_kind or mclass.kind == interface_kind
- if not is_dead and rta != null and not rta.live_classes.has(mclass) and mtype.ctype == "val*" and mclass.name != "NativeArray" then
- is_dead = true
- end
-
- v.add_decl("/* runtime class {c_name} */")
-
- self.provide_declaration("class_{c_name}", "extern const struct class class_{c_name};")
- v.add_decl("extern const struct type_table type_table_{c_name};")
-
- # Build class vft
- v.add_decl("const struct class class_{c_name} = \{")
- v.add_decl("{class_ids[mclass]},")
- v.add_decl("\"{mclass.name}\", /* class_name_string */")
- v.add_decl("{self.box_kind_of(mclass)}, /* box_kind */")
- v.add_decl("{class_colors[mclass]},")
- if not is_dead then
- if build_class_vts_table(mclass) then
- v.require_declaration("vts_table_{c_name}")
- v.add_decl("&vts_table_{c_name},")
- else
- v.add_decl("NULL,")
- end
- v.add_decl("&type_table_{c_name},")
- v.add_decl("\{")
- for i in [0 .. vft.length[ do
- var mpropdef = vft[i]
- if mpropdef == null then
- v.add_decl("NULL, /* empty */")
- else
- assert mpropdef isa MMethodDef
- if rta != null and not rta.live_methoddefs.has(mpropdef) then
- v.add_decl("NULL, /* DEAD {mclass.intro_mmodule}:{mclass}:{mpropdef} */")
- continue
- end
- if true or mpropdef.mclassdef.bound_mtype.ctype != "val*" then
- v.require_declaration("VIRTUAL_{mpropdef.c_name}")
- v.add_decl("(nitmethod_t)VIRTUAL_{mpropdef.c_name}, /* pointer to {mclass.intro_mmodule}:{mclass}:{mpropdef} */")
- else
- v.require_declaration("{mpropdef.c_name}")
- v.add_decl("(nitmethod_t){mpropdef.c_name}, /* pointer to {mclass.intro_mmodule}:{mclass}:{mpropdef} */")
- end
- end
- end
- v.add_decl("\}")
- end
- v.add_decl("\};")
-
- # Build class type table
-
- v.add_decl("const struct type_table type_table_{c_name} = \{")
- v.add_decl("{class_table.length},")
- v.add_decl("\{")
- for msuper in class_table do
- if msuper == null then
- v.add_decl("-1, /* empty */")
- else
- v.add_decl("{self.class_ids[msuper]}, /* {msuper} */")
- end
- end
- v.add_decl("\}")
- v.add_decl("\};")
-
- if mtype.ctype != "val*" or mtype.mclass.name == "Pointer" then
- #Build instance struct
- self.header.add_decl("struct instance_{c_name} \{")
- self.header.add_decl("const struct class *class;")
- self.header.add_decl("{mtype.ctype} value;")
- self.header.add_decl("\};")
-
- #Build BOX
- self.provide_declaration("BOX_{c_name}", "val* BOX_{c_name}({mtype.ctype});")
- v.add_decl("/* allocate {mtype} */")
- v.add_decl("val* BOX_{mtype.c_name}({mtype.ctype} value) \{")
- v.add("struct instance_{c_name}*res = nit_alloc(sizeof(struct instance_{c_name}));")
- v.require_declaration("class_{c_name}")
- v.add("res->class = &class_{c_name};")
- v.add("res->value = value;")
- v.add("return (val*)res;")
- v.add("\}")
-
- if mtype.mclass.name != "Pointer" then return
-
- v = new_visitor
- self.provide_declaration("NEW_{c_name}", "{mtype.ctype} NEW_{c_name}();")
- v.add_decl("/* allocate {mtype} */")
- v.add_decl("{mtype.ctype} NEW_{c_name}() \{")
- if is_dead then
- v.add_abort("{mclass} is DEAD")
- else
- var res = v.new_named_var(mtype, "self")
- res.is_exact = true
- v.add("{res} = nit_alloc(sizeof(struct instance_{mtype.c_name}));")
- v.require_declaration("class_{c_name}")
- v.add("{res}->class = &class_{c_name};")
- v.add("((struct instance_{mtype.c_name}*){res})->value = NULL;")
- v.add("return {res};")
- end
- v.add("\}")
- return
- else if mclass.name == "NativeArray" then
- #Build instance struct
- self.header.add_decl("struct instance_{c_name} \{")
- self.header.add_decl("const struct class *class;")
- self.header.add_decl("int length;")
- self.header.add_decl("val* values[];")
- self.header.add_decl("\};")
-
- #Build NEW
- self.provide_declaration("NEW_{c_name}", "{mtype.ctype} NEW_{c_name}(int length);")
- v.add_decl("/* allocate {mtype} */")
- v.add_decl("{mtype.ctype} NEW_{c_name}(int length) \{")
- var res = v.get_name("self")
- v.add_decl("struct instance_{c_name} *{res};")
- var mtype_elt = mtype.arguments.first
- v.add("{res} = nit_alloc(sizeof(struct instance_{c_name}) + length*sizeof({mtype_elt.ctype}));")
- v.require_declaration("class_{c_name}")
- v.add("{res}->class = &class_{c_name};")
- v.add("{res}->length = length;")
- v.add("return (val*){res};")
- v.add("\}")
- return
- else if mtype.mclass.kind == extern_kind and mtype.mclass.name != "NativeString" then
- var pointer_type = mainmodule.pointer_type
-
- self.provide_declaration("NEW_{c_name}", "{mtype.ctype} NEW_{c_name}();")
- v.add_decl("/* allocate {mtype} */")
- v.add_decl("{mtype.ctype} NEW_{c_name}() \{")
- if is_dead then
- v.add_abort("{mclass} is DEAD")
- else
- var res = v.new_named_var(mtype, "self")
- res.is_exact = true
- v.add("{res} = nit_alloc(sizeof(struct instance_{pointer_type.c_name}));")
- #v.add("{res}->type = type;")
- v.require_declaration("class_{c_name}")
- v.add("{res}->class = &class_{c_name};")
- v.add("((struct instance_{pointer_type.c_name}*){res})->value = NULL;")
- v.add("return {res};")
- end
- v.add("\}")
- return
- end
-
- #Build NEW
- self.provide_declaration("NEW_{c_name}", "{mtype.ctype} NEW_{c_name}(void);")
- v.add_decl("/* allocate {mtype} */")
- v.add_decl("{mtype.ctype} NEW_{c_name}(void) \{")
- if is_dead then
- v.add_abort("{mclass} is DEAD")
- else
-
- var res = v.new_named_var(mtype, "self")
- res.is_exact = true
- v.add("{res} = nit_alloc(sizeof(struct instance) + {attrs.length}*sizeof(nitattribute_t));")
- v.require_declaration("class_{c_name}")
- v.add("{res}->class = &class_{c_name};")
- self.generate_init_attr(v, res, mtype)
- v.set_finalizer res
- v.add("return {res};")
- end
- v.add("\}")
- end
-
- private fun build_class_vts_table(mclass: MClass): Bool do
- if self.vt_tables[mclass].is_empty then return false
-
- self.provide_declaration("vts_table_{mclass.c_name}", "extern const struct vts_table vts_table_{mclass.c_name};")
-
- var v = new_visitor
- v.add_decl("const struct vts_table vts_table_{mclass.c_name} = \{")
- v.add_decl("0, /* dummy */")
- v.add_decl("\{")
-
- for vt in self.vt_tables[mclass] do
- if vt == null then
- v.add_decl("\{-1, NULL\}, /* empty */")
- else
- var is_null = 0
- var bound = retrieve_vt_bound(mclass.intro.bound_mtype, vt.as(MVirtualTypeDef).bound)
- while bound isa MNullableType do
- bound = retrieve_vt_bound(mclass.intro.bound_mtype, bound.mtype)
- is_null = 1
- end
- var vtclass = bound.as(MClassType).mclass
- v.require_declaration("class_{vtclass.c_name}")
- v.add_decl("\{{is_null}, &class_{vtclass.c_name}\}, /* {vt} */")
- end
- end
- v.add_decl("\},")
- v.add_decl("\};")
- return true
- end
-
- private fun retrieve_vt_bound(anchor: MClassType, mtype: nullable MType): MType do
- if mtype == null then
- print "NOT YET IMPLEMENTED: retrieve_vt_bound on null"
- abort
- end
- if mtype isa MVirtualType then
- return mtype.anchor_to(mainmodule, anchor)
- else if mtype isa MParameterType then
- return mtype.anchor_to(mainmodule, anchor)
- else
- return mtype
- end
- end
-
- redef fun new_visitor do return new SeparateErasureCompilerVisitor(self)
-
- # Stats
-
- private var class_tables: Map[MClass, Array[nullable MClass]]
- private var vt_tables: Map[MClass, Array[nullable MPropDef]]
-
- redef fun display_sizes
- do
- print "# size of subtyping tables"
- print "\ttotal \tholes"
- var total = 0
- var holes = 0
- for t, table in class_tables do
- total += table.length
- for e in table do if e == null then holes += 1
- end
- print "\t{total}\t{holes}"
-
- print "# size of resolution tables"
- print "\ttotal \tholes"
- total = 0
- holes = 0
- for t, table in vt_tables do
- total += table.length
- for e in table do if e == null then holes += 1
- end
- print "\t{total}\t{holes}"
-
- print "# size of methods tables"
- print "\ttotal \tholes"
- total = 0
- holes = 0
- for t, table in method_tables do
- total += table.length
- for e in table do if e == null then holes += 1
- end
- print "\t{total}\t{holes}"
-
- print "# size of attributes tables"
- print "\ttotal \tholes"
- total = 0
- holes = 0
- for t, table in attr_tables do
- total += table.length
- for e in table do if e == null then holes += 1
- end
- print "\t{total}\t{holes}"
- end
-end
-
-class SeparateErasureCompilerVisitor
- super SeparateCompilerVisitor
-
- redef fun compile_callsite(callsite, arguments)
- do
- var res = super
- if callsite.erasure_cast and not self.compiler.as(SeparateErasureCompiler).modelbuilder.toolcontext.opt_no_check_erasure_cast.value then
- assert res != null
- var mtype = callsite.msignature.return_mtype
- assert mtype != null
- self.add("/* Erasure cast for return {res} isa {mtype} */")
- var cond = self.type_test(res, mtype, "erasure")
- self.add("if (!{cond}) \{")
- #var x = self.class_name_string(res)
- #var y = self.class_name_string(arguments.first)
- #self.add("PRINT_ERROR(\"Erasure cast: expected {mtype} (self is %s), got %s for {res}\\n\", {y}, {x});")
- self.add_abort("Cast failed")
- self.add("\}")
- end
- return res
- end
-
- redef fun init_instance(mtype)
- do
- self.require_declaration("NEW_{mtype.mclass.c_name}")
- return self.new_expr("NEW_{mtype.mclass.c_name}()", mtype)
- end
-
- redef fun type_test(value, mtype, tag)
- do
- self.add("/* type test for {value.inspect} isa {mtype} */")
-
- var res = self.new_var(bool_type)
-
- var cltype = self.get_name("cltype")
- self.add_decl("int {cltype};")
- var idtype = self.get_name("idtype")
- self.add_decl("int {idtype};")
-
- var maybe_null = self.maybe_null(value)
- var accept_null = "0"
- if mtype isa MNullableType then
- mtype = mtype.mtype
- accept_null = "1"
- end
- if mtype isa MParameterType then
- # Here we get the bound of the the formal type (eh, erasure...)
- mtype = mtype.resolve_for(self.frame.mpropdef.mclassdef.bound_mtype, self.frame.mpropdef.mclassdef.bound_mtype, self.frame.mpropdef.mclassdef.mmodule, false)
- if mtype isa MNullableType then
- mtype = mtype.mtype
- accept_null = "1"
- end
- end
-
- if value.mcasttype.is_subtype(self.frame.mpropdef.mclassdef.mmodule, self.frame.mpropdef.mclassdef.bound_mtype, mtype) then
- self.add("{res} = 1; /* easy {value.inspect} isa {mtype}*/")
- if compiler.modelbuilder.toolcontext.opt_typing_test_metrics.value then
- self.compiler.count_type_test_skipped[tag] += 1
- self.add("count_type_test_skipped_{tag}++;")
- end
- return res
- end
-
- var class_ptr
- var type_table
- if value.mtype.ctype == "val*" then
- class_ptr = "{value}->class->"
- else
- var mclass = value.mtype.as(MClassType).mclass
- self.require_declaration("class_{mclass.c_name}")
- class_ptr = "class_{mclass.c_name}."
- end
-
- if mtype isa MClassType then
- self.require_declaration("class_{mtype.mclass.c_name}")
- self.add("{cltype} = class_{mtype.mclass.c_name}.color;")
- self.add("{idtype} = class_{mtype.mclass.c_name}.id;")
- if compiler.modelbuilder.toolcontext.opt_typing_test_metrics.value then
- self.compiler.count_type_test_resolved[tag] += 1
- self.add("count_type_test_resolved_{tag}++;")
- end
- else if mtype isa MVirtualType then
- var recv = self.frame.arguments.first
- var recv_ptr
- if recv.mtype.ctype == "val*" then
- recv_ptr = "{recv}->class->"
- else
- var mclass = recv.mtype.as(MClassType).mclass
- self.require_declaration("class_{mclass.c_name}")
- recv_ptr = "class_{mclass.c_name}."
- end
- var entry = self.get_name("entry")
- self.add("struct vts_entry {entry};")
- self.require_declaration(mtype.mproperty.const_color)
- self.add("{entry} = {recv_ptr}vts_table->vts[{mtype.mproperty.const_color}];")
- self.add("{cltype} = {entry}.class->color;")
- self.add("{idtype} = {entry}.class->id;")
- if maybe_null and accept_null == "0" then
- var is_nullable = self.get_name("is_nullable")
- self.add_decl("short int {is_nullable};")
- self.add("{is_nullable} = {entry}.is_nullable;")
- accept_null = is_nullable.to_s
- end
- if compiler.modelbuilder.toolcontext.opt_typing_test_metrics.value then
- self.compiler.count_type_test_unresolved[tag] += 1
- self.add("count_type_test_unresolved_{tag}++;")
- end
- else
- self.debug("type_test({value.inspect}, {mtype})")
- abort
- end
-
- # check color is in table
- if maybe_null then
- self.add("if({value} == NULL) \{")
- self.add("{res} = {accept_null};")
- self.add("\} else \{")
- end
- self.add("if({cltype} >= {class_ptr}type_table->size) \{")
- self.add("{res} = 0;")
- self.add("\} else \{")
- self.add("{res} = {class_ptr}type_table->table[{cltype}] == {idtype};")
- self.add("\}")
- if maybe_null then
- self.add("\}")
- end
-
- return res
- end
-
- redef fun unbox_extern(value, mtype)
- do
- if mtype isa MClassType and mtype.mclass.kind == extern_kind and
- mtype.mclass.name != "NativeString" then
- var pointer_type = compiler.mainmodule.pointer_type
- var res = self.new_var_extern(mtype)
- self.add "{res} = ((struct instance_{pointer_type.c_name}*){value})->value; /* unboxing {value.mtype} */"
- return res
- else
- return value
- end
- end
-
- redef fun box_extern(value, mtype)
- do
- if mtype isa MClassType and mtype.mclass.kind == extern_kind and
- mtype.mclass.name != "NativeString" then
- var valtype = compiler.mainmodule.pointer_type
- var res = self.new_var(mtype)
- if compiler.runtime_type_analysis != null and not compiler.runtime_type_analysis.live_types.has(value.mtype.as(MClassType)) then
- self.add("/*no boxing of {value.mtype}: {value.mtype} is not live! */")
- self.add("PRINT_ERROR(\"Dead code executed!\\n\"); show_backtrace(1);")
- return res
- end
- self.require_declaration("BOX_{valtype.c_name}")
- self.add("{res} = BOX_{valtype.c_name}({value}); /* boxing {value.mtype} */")
- self.require_declaration("class_{mtype.c_name}")
- self.add("{res}->class = &class_{mtype.c_name};")
- return res
- else
- return value
- end
- end
-
- redef fun class_name_string(value)
- do
- var res = self.get_name("var_class_name")
- self.add_decl("const char* {res};")
- if value.mtype.ctype == "val*" then
- self.add "{res} = {value} == NULL ? \"null\" : {value}->class->name;"
- else
- self.require_declaration("class_{value.mtype.c_name}")
- self.add "{res} = class_{value.mtype.c_name}.name;"
- end
- return res
- end
-
- redef fun native_array_instance(elttype, length)
- do
- var nclass = self.get_class("NativeArray")
- var mtype = nclass.get_mtype([elttype])
- var res = self.new_var(mtype)
- res.is_exact = true
- self.require_declaration("NEW_{nclass.c_name}")
- self.add("{res} = NEW_{nclass.c_name}({length});")
- return res
- end
-
- redef fun calloc_array(ret_type, arguments)
- do
- var ret = ret_type.as(MClassType)
- self.require_declaration("NEW_{ret.mclass.c_name}")
- self.ret(self.new_expr("NEW_{ret.mclass.c_name}({arguments[1]})", ret_type))
- end
-end
nitlanguage / nit.git / blobdiff
