1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2012 Jean Privat <jean@pryen.org>
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
18 module abstract_compiler
24 private import annotation
28 private import explain_assert_api
30 # Add compiling options
31 redef class ToolContext
33 var opt_output
= new OptionString("Filename of the generated executable", "-o", "--output")
35 var opt_dir
= new OptionString("Output directory", "--dir")
37 var opt_run
= new OptionBool("Execute the binary after the compilation", "--run")
39 var opt_no_cc
= new OptionBool("Do not invoke the C compiler", "--no-cc")
41 var opt_no_main
= new OptionBool("Do not generate main entry point", "--no-main")
43 var opt_shared_lib
= new OptionBool("Compile to a native shared library", "--shared-lib")
45 var opt_make_flags
= new OptionString("Additional options to the `make` command", "--make-flags")
47 var opt_max_c_lines
= new OptionInt("Maximum number of lines in generated C files. Use 0 for unlimited", 10000, "--max-c-lines")
49 var opt_group_c_files
= new OptionBool("Group all generated code in the same series of files", "--group-c-files")
51 var opt_compile_dir
= new OptionString("Directory used to generate temporary files", "--compile-dir")
53 var opt_hardening
= new OptionBool("Generate contracts in the C code against bugs in the compiler", "--hardening")
54 # --no-check-covariance
55 var opt_no_check_covariance
= new OptionBool("Disable type tests of covariant parameters (dangerous)", "--no-check-covariance")
56 # --no-check-attr-isset
57 var opt_no_check_attr_isset
= new OptionBool("Disable isset tests before each attribute access (dangerous)", "--no-check-attr-isset")
59 var opt_no_check_assert
= new OptionBool("Disable the evaluation of explicit `assert` and `as` (dangerous)", "--no-check-assert")
61 var opt_no_check_autocast
= new OptionBool("Disable implicit casts on unsafe expression usage (dangerous)", "--no-check-autocast")
63 var opt_no_check_null
= new OptionBool("Disable tests of null receiver (dangerous)", "--no-check-null")
65 var opt_no_check_all
= new OptionBool("Disable all tests (dangerous)", "--no-check-all")
66 # --typing-test-metrics
67 var opt_typing_test_metrics
= new OptionBool("Enable static and dynamic count of all type tests", "--typing-test-metrics")
68 # --invocation-metrics
69 var opt_invocation_metrics
= new OptionBool("Enable static and dynamic count of all method invocations", "--invocation-metrics")
70 # --isset-checks-metrics
71 var opt_isset_checks_metrics
= new OptionBool("Enable static and dynamic count of isset checks before attributes access", "--isset-checks-metrics")
73 var opt_no_stacktrace
= new OptionBool("Disable the generation of stack traces", "--no-stacktrace")
75 var opt_no_gcc_directive
= new OptionArray("Disable advanced gcc directives for optimization", "--no-gcc-directive")
77 var opt_release
= new OptionBool("Compile in release mode and finalize application", "--release")
79 var opt_debug
= new OptionBool("Compile in debug mode (no C-side optimization)", "-g", "--debug")
81 var opt_trace
= new OptionBool("Compile with lttng's instrumentation", "--trace")
86 self.option_context
.add_option
(self.opt_output
, self.opt_dir
, self.opt_run
, self.opt_no_cc
, self.opt_no_main
, self.opt_shared_lib
, self.opt_make_flags
, self.opt_compile_dir
, self.opt_hardening
)
87 self.option_context
.add_option
(self.opt_no_check_covariance
, self.opt_no_check_attr_isset
, self.opt_no_check_assert
, self.opt_no_check_autocast
, self.opt_no_check_null
, self.opt_no_check_all
)
88 self.option_context
.add_option
(self.opt_typing_test_metrics
, self.opt_invocation_metrics
, self.opt_isset_checks_metrics
)
89 self.option_context
.add_option
(self.opt_no_stacktrace
)
90 self.option_context
.add_option
(self.opt_no_gcc_directive
)
91 self.option_context
.add_option
(self.opt_release
)
92 self.option_context
.add_option
(self.opt_max_c_lines
, self.opt_group_c_files
)
93 self.option_context
.add_option
(self.opt_debug
)
94 self.option_context
.add_option
(self.opt_trace
)
96 opt_no_main
.hidden
= true
97 opt_shared_lib
.hidden
= true
100 redef fun process_options
(args
)
104 if opt_output
.value
!= null and opt_dir
.value
!= null then
105 print
"Option Error: cannot use both --dir and --output"
109 if opt_no_check_all
.value
then
110 opt_no_check_covariance
.value
= true
111 opt_no_check_attr_isset
.value
= true
112 opt_no_check_assert
.value
= true
113 opt_no_check_autocast
.value
= true
114 opt_no_check_null
.value
= true
119 redef class ModelBuilder
120 # Simple indirection to `Toolchain::write_and_make`
121 protected fun write_and_make
(compiler
: AbstractCompiler)
123 var platform
= compiler
.target_platform
124 var toolchain
= platform
.toolchain
(toolcontext
, compiler
)
125 compiler
.toolchain
= toolchain
126 toolchain
.write_and_make
131 # The specific tool-chain associated to the platform
132 fun toolchain
(toolcontext
: ToolContext, compiler
: AbstractCompiler): Toolchain
134 return new MakefileToolchain(toolcontext
, compiler
)
138 # Build toolchain for a specific target program, varies per `Platform`
142 var toolcontext
: ToolContext
144 # Compiler of the target program
145 var compiler
: AbstractCompiler
147 # Directory where to generate all files
149 # The option `--compile_dir` change this directory.
150 fun root_compile_dir
: String
152 var compile_dir
= toolcontext
.opt_compile_dir
.value
153 if compile_dir
== null then compile_dir
= "nit_compile"
157 # Directory where to generate all C files
159 # By default it is `root_compile_dir` but some platform may require that it is a subdirectory.
160 fun compile_dir
: String do return root_compile_dir
162 # Write all C files and compile them
163 fun write_and_make
is abstract
166 # Default toolchain using a Makefile
167 class MakefileToolchain
170 redef fun write_and_make
172 var debug
= toolcontext
.opt_debug
.value
173 var compile_dir
= compile_dir
175 # Remove the compilation directory unless explicitly set
176 var auto_remove
= toolcontext
.opt_compile_dir
.value
== null
177 # If debug flag is set, do not remove sources
178 if debug
then auto_remove
= false
180 # Generate the .h and .c files
181 # A single C file regroups many compiled rumtime functions
182 # Note that we do not try to be clever an a small change in a Nit source file may change the content of all the generated .c files
184 self.toolcontext
.info
("*** WRITING C ***", 1)
186 root_compile_dir
.mkdir
189 var cfiles
= new Array[String]
190 write_files
(compile_dir
, cfiles
)
192 # Generate the Makefile
194 write_makefile
(compile_dir
, cfiles
)
197 self.toolcontext
.info
("*** END WRITING C: {time1-time0} ***", 2)
199 if not toolcontext
.check_errors
then return
201 # Execute the Makefile
203 if self.toolcontext
.opt_no_cc
.value
then return
206 self.toolcontext
.info
("*** COMPILING C ***", 1)
208 compile_c_code
(compile_dir
)
211 sys
.system
("rm -r -- '{root_compile_dir.escape_to_sh}/'")
214 if toolcontext
.opt_run
.value
then
215 var mainmodule
= compiler
.mainmodule
216 var out
= outfile
(mainmodule
)
218 cmd
.append toolcontext
.option_context
.rest
219 toolcontext
.exec_and_check
(cmd
, "--run")
223 self.toolcontext
.info
("*** END COMPILING C: {time1-time0} ***", 2)
226 # Write all source files to the `compile_dir`
227 fun write_files
(compile_dir
: String, cfiles
: Array[String])
229 var platform
= compiler
.target_platform
230 if platform
.supports_libunwind
then compiler
.build_c_to_nit_bindings
231 var cc_opt_with_libgc
= "-DWITH_LIBGC"
232 if not platform
.supports_libgc
then cc_opt_with_libgc
= ""
234 # Add gc_choser.h to aditionnal bodies
235 var gc_chooser
= new ExternCFile("gc_chooser.c", cc_opt_with_libgc
)
236 if cc_opt_with_libgc
!= "" then gc_chooser
.pkgconfigs
.add
"bdw-gc"
237 compiler
.extern_bodies
.add
(gc_chooser
)
238 var clib
= toolcontext
.nit_dir
/ "clib"
239 compiler
.files_to_copy
.add
"{clib}/gc_chooser.c"
240 compiler
.files_to_copy
.add
"{clib}/gc_chooser.h"
242 # Add lttng traces provider to external bodies
243 if toolcontext
.opt_trace
.value
then
244 #-I. is there in order to make the TRACEPOINT_INCLUDE directive in clib/traces.h refer to the directory in which gcc was invoked.
245 var traces
= new ExternCFile("traces.c", "-I.")
246 traces
.pkgconfigs
.add
"lttng-ust"
247 compiler
.extern_bodies
.add
(traces
)
248 compiler
.files_to_copy
.add
"{clib}/traces.c"
249 compiler
.files_to_copy
.add
"{clib}/traces.h"
253 for m
in compiler
.mainmodule
.in_importation
.greaters
do
254 compiler
.finalize_ffi_for_module
(m
)
257 # Copy original .[ch] files to compile_dir
258 for src
in compiler
.files_to_copy
do
259 var basename
= src
.basename
260 var dst
= "{compile_dir}/{basename}"
264 var hfilename
= compiler
.header
.file
.name
+ ".h"
265 var hfilepath
= "{compile_dir}/{hfilename}"
266 var h
= new FileWriter.open
(hfilepath
)
267 for l
in compiler
.header
.decl_lines
do
271 for l
in compiler
.header
.lines
do
277 var max_c_lines
= toolcontext
.opt_max_c_lines
.value
278 for f
in compiler
.files
do
281 var file
: nullable FileWriter = null
282 for vis
in f
.writers
do
283 if vis
== compiler
.header
then continue
284 var total_lines
= vis
.lines
.length
+ vis
.decl_lines
.length
285 if total_lines
== 0 then continue
287 if file
== null or (count
> max_c_lines
and max_c_lines
> 0) then
289 if file
!= null then file
.close
290 var cfilename
= "{f.name}.{i}.c"
291 var cfilepath
= "{compile_dir}/{cfilename}"
292 self.toolcontext
.info
("new C source files to compile: {cfilepath}", 3)
293 cfiles
.add
(cfilename
)
294 file
= new FileWriter.open
(cfilepath
)
295 file
.write
"#include \"{f.name}.0.h\
"\n"
298 for l
in vis
.decl_lines
do
302 for l
in vis
.lines
do
307 if file
== null then continue
310 var cfilename
= "{f.name}.0.h"
311 var cfilepath
= "{compile_dir}/{cfilename}"
312 var hfile
: nullable FileWriter = null
313 hfile
= new FileWriter.open
(cfilepath
)
314 hfile
.write
"#include \"{hfilename}\
"\n"
315 for key
in f
.required_declarations
do
316 if not compiler
.provided_declarations
.has_key
(key
) then
317 var node
= compiler
.requirers_of_declarations
.get_or_null
(key
)
319 node
.debug
"No provided declaration for {key}"
321 print
"No provided declaration for {key}"
325 hfile
.write compiler
.provided_declarations
[key
]
331 self.toolcontext
.info
("Total C source files to compile: {cfiles.length}", 2)
334 # Get the name of the Makefile to use
335 fun makefile_name
: String do return "{compiler.mainmodule.c_name}.mk"
337 # Get the default name of the executable to produce
338 fun default_outname
: String
340 var mainmodule
= compiler
.mainmodule
.first_real_mmodule
341 return mainmodule
.name
344 # Combine options and platform informations to get the final path of the outfile
345 fun outfile
(mainmodule
: MModule): String
347 var res
= self.toolcontext
.opt_output
.value
348 if res
!= null then return res
349 res
= default_outname
350 var dir
= self.toolcontext
.opt_dir
.value
351 if dir
!= null then return dir
.join_path
(res
)
356 fun write_makefile
(compile_dir
: String, cfiles
: Array[String])
358 var mainmodule
= compiler
.mainmodule
359 var platform
= compiler
.target_platform
361 var outname
= outfile
(mainmodule
)
363 var real_outpath
= compile_dir
.relpath
(outname
)
364 var outpath
= real_outpath
.escape_to_mk
365 if outpath
!= real_outpath
then
366 # If the name is crazy and need escaping, we will do an indirection
367 # 1. generate the binary in the nit_compile dir under an escaped name
368 # 2. copy the binary at the right place in the `all` goal.
369 outpath
= mainmodule
.c_name
371 var makename
= makefile_name
372 var makepath
= "{compile_dir}/{makename}"
373 var makefile
= new FileWriter.open
(makepath
)
375 var linker_options
= new HashSet[String]
376 for m
in mainmodule
.in_importation
.greaters
do
377 var libs
= m
.collect_linker_libs
378 if libs
!= null then linker_options
.add_all
(libs
)
380 var debug
= toolcontext
.opt_debug
.value
383 ifeq ($(origin CC), default)
386 ifeq ($(origin CXX), default)
389 CFLAGS ?= -g {{{if not debug then "-O2" else ""}}} -Wno-unused-value -Wno-switch -Wno-attributes -Wno-trigraphs
392 LDLIBS ?= -lm {{{linker_options.join(" ")}}}
395 if self.toolcontext
.opt_trace
.value
then makefile
.write
"LDLIBS += -llttng-ust -ldl\n"
397 if toolcontext
.opt_shared_lib
.value
then
400 LDFLAGS += -shared -Wl,-soname,{{{outname}}}
404 makefile
.write
"\n# SPECIAL CONFIGURATION FLAGS\n"
405 if platform
.supports_libunwind
then
406 if toolcontext
.opt_no_stacktrace
.value
then
407 makefile
.write
"NO_STACKTRACE ?= True"
409 makefile
.write
"NO_STACKTRACE ?= # Set to `True` to enable"
413 # Dynamic adaptations
414 # While `platform` enable complex toolchains, they are statically applied
415 # For a dynamic adaptsation of the compilation, the generated Makefile should check and adapt things itself
416 makefile
.write
"\n\n"
418 # Check and adapt the targeted system
419 makefile
.write
("uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')\n")
421 # Check and adapt for the compiler used
422 # clang need an additionnal `-Qunused-arguments`
423 makefile
.write
("clang_check := $(shell sh -c '$(CC) -v 2>&1 | grep -q clang; echo $$?')\nifeq ($(clang_check), 0)\n\tCFLAGS += -Qunused-arguments\nendif\n")
425 if platform
.supports_libunwind
then
427 ifneq ($(NO_STACKTRACE), True)
428 # Check and include lib-unwind in a portable way
429 ifneq ($(uname_S),Darwin)
430 # already included on macosx, but need to get the correct flags in other supported platforms.
431 ifeq ($(shell pkg-config --exists 'libunwind'; echo $$?), 0)
432 LDLIBS += `pkg-config --libs libunwind`
433 CFLAGS += `pkg-config --cflags libunwind`
435 $(warning "[_] stack-traces disabled. Please install libunwind-dev.")
436 CFLAGS += -D NO_STACKTRACE
440 # Stacktraces disabled
441 CFLAGS += -D NO_STACKTRACE
446 makefile
.write
("CFLAGS += -D NO_STACKTRACE\n\n")
450 # Special configuration for Darwin
451 ifeq ($(uname_S),Darwin)
452 # Remove POSIX flag -lrt
453 LDLIBS := $(filter-out -lrt,$(LDLIBS))
456 # Special configuration for Windows under mingw64
457 ifneq ($(findstring MINGW64,$(uname_S)),)
458 # Use the pcreposix regex library
459 LDLIBS += -lpcreposix
461 # Remove POSIX flag -lrt
462 LDLIBS := $(filter-out -lrt,$(LDLIBS))
464 # Silence warnings when storing Int, Char and Bool as pointer address
465 CFLAGS += -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast
470 makefile
.write
("all: {outpath}\n")
471 if outpath
!= real_outpath
then
472 makefile
.write
("\tcp -- {outpath.escape_to_sh} {real_outpath.escape_to_sh.replace("$","$$")}")
476 var ofiles
= new Array[String]
477 var dep_rules
= new Array[String]
478 # Compile each generated file
480 var o
= f
.strip_extension
(".c") + ".o"
481 makefile
.write
("{o}: {f}\n\t$(CC) $(CFLAGS) $(CINCL) -c -o {o} {f}\n\n")
486 # Generate linker script, if any
487 if not compiler
.linker_script
.is_empty
then
488 var linker_script_path
= "{compile_dir}/linker_script"
489 ofiles
.add
"linker_script"
490 var f
= new FileWriter.open
(linker_script_path
)
491 for l
in compiler
.linker_script
do
498 # pkg-config annotation support
499 var pkgconfigs
= new Array[String]
500 for f
in compiler
.extern_bodies
do
501 pkgconfigs
.add_all f
.pkgconfigs
504 # Only test if pkg-config is used
505 if not pkgconfigs
.is_empty
then
507 # Check availability of pkg-config, silence the proc output
508 toolcontext
.check_pkgconfig_packages pkgconfigs
510 # Double the check in the Makefile in case it's distributed
512 # does pkg-config exists?
513 ifneq ($(shell which pkg-config >/dev/null; echo $$?), 0)
514 $(error "Command `pkg-config` not found. Please install it")
517 for p
in pkgconfigs
do
519 # Check for library {{{p}}}
520 ifneq ($(shell pkg-config --exists '{{{p}}}'; echo $$?), 0)
521 $(error "pkg-config: package {{{p}}} is not found.")
527 # Compile each required extern body into a specific .o
528 var java_files
= new Array[ExternFile]
529 for f
in compiler
.extern_bodies
do
530 var o
= f
.makefile_rule_name
531 makefile
.write
("{o}: {f.filename}\n")
532 makefile
.write
("\t{f.makefile_rule_content}\n\n")
533 dep_rules
.add
(f
.makefile_rule_name
)
535 if f
.compiles_to_o_file
then ofiles
.add
(o
)
536 if f
.add_to_jar
then java_files
.add
(f
)
539 if not java_files
.is_empty
then
540 var jar_file
= "{outpath}.jar"
542 var class_files_array
= new Array[String]
543 for f
in java_files
do class_files_array
.add
(f
.makefile_rule_name
)
544 var class_files
= class_files_array
.join
(" ")
546 makefile
.write
("{jar_file}: {class_files}\n")
547 makefile
.write
("\tjar cf {jar_file} {class_files}\n\n")
548 dep_rules
.add jar_file
553 if not pkgconfigs
.is_empty
then
554 pkg
= "`pkg-config --libs {pkgconfigs.join(" ")}`"
556 makefile
.write
("{outpath}: {dep_rules.join(" ")}\n\t$(CC) $(LDFLAGS) -o {outpath.escape_to_sh} {ofiles.join(" ")} $(LDLIBS) {pkg}\n\n")
558 makefile
.write
("clean:\n\trm -f {ofiles.join(" ")} 2>/dev/null\n")
559 if outpath
!= real_outpath
then
560 makefile
.write
("\trm -f -- {outpath.escape_to_sh} 2>/dev/null\n")
563 self.toolcontext
.info
("Generated makefile: {makepath}", 2)
565 makepath
.file_copy_to
"{compile_dir}/Makefile"
568 # The C code is generated, compile it to an executable
569 fun compile_c_code
(compile_dir
: String)
571 var makename
= makefile_name
573 var makeflags
= self.toolcontext
.opt_make_flags
.value
574 if makeflags
== null then makeflags
= ""
576 var command
= "make -B -C {compile_dir} -f {makename} -j 4 {makeflags}"
577 self.toolcontext
.info
(command
, 2)
580 if self.toolcontext
.verbose_level
>= 3 then
581 res
= sys
.system
("{command} 2>&1")
582 else if is_windows
then
583 res
= sys
.system
("{command} 2>&1 >nul")
585 res
= sys
.system
("{command} 2>&1 >/dev/null")
588 toolcontext
.error
(null, "Compilation Error: `make` failed with error code: {res}. The command was `{command}`.")
593 # Singleton that store the knowledge about the compilation process
594 abstract class AbstractCompiler
595 type VISITOR: AbstractCompilerVisitor
597 # Table corresponding c_names to nit names (methods)
598 var names
= new HashMap[String, String]
600 # The main module of the program currently compiled
601 # Is assigned during the separate compilation
602 var mainmodule
: MModule is writable
604 # The real main module of the program
605 var realmainmodule
: MModule is noinit
607 # The modelbuilder used to know the model and the AST
608 var modelbuilder
: ModelBuilder is protected writable
610 # The associated toolchain
612 # Set by `modelbuilder.write_and_make` and permit sub-routines to access the current toolchain if required.
613 var toolchain
: Toolchain is noinit
615 # Is hardening asked? (see --hardening)
616 fun hardening
: Bool do return self.modelbuilder
.toolcontext
.opt_hardening
.value
618 # The targeted specific platform
619 var target_platform
: Platform is noinit
623 self.realmainmodule
= mainmodule
624 target_platform
= mainmodule
.target_platform
or else new Platform
627 # Do the full code generation of the program `mainmodule`
628 # It is the main method usually called after the instantiation
629 fun do_compilation
is abstract
631 # Force the creation of a new file
632 # The point is to avoid contamination between must-be-compiled-separately files
633 fun new_file
(name
: String): CodeFile
635 if modelbuilder
.toolcontext
.opt_group_c_files
.value
then
636 if self.files
.is_empty
then
637 var f
= new CodeFile(mainmodule
.c_name
)
640 return self.files
.first
642 var f
= new CodeFile(name
)
647 # The list of all associated files
648 # Used to generate .c files
649 var files
= new Array[CodeFile]
651 # Initialize a visitor specific for a compiler engine
652 fun new_visitor
: VISITOR is abstract
654 # Where global declaration are stored (the main .h)
655 var header
: CodeWriter is writable, noinit
657 # Additionnal linker script for `ld`.
658 # Mainly used to do specific link-time symbol resolution
659 var linker_script
= new Array[String]
661 # Provide a declaration that can be requested (before or latter) by a visitor
662 fun provide_declaration
(key
: String, s
: String)
664 if self.provided_declarations
.has_key
(key
) then
665 assert self.provided_declarations
[key
] == s
667 self.provided_declarations
[key
] = s
670 private var provided_declarations
= new HashMap[String, String]
672 private var requirers_of_declarations
= new HashMap[String, ANode]
674 # Builds the .c and .h files to be used when generating a Stack Trace
675 # Binds the generated C function names to Nit function names
676 fun build_c_to_nit_bindings
678 var compile_dir
= toolchain
.compile_dir
680 var stream
= new FileWriter.open
("{compile_dir}/c_functions_hash.c")
681 stream
.write
("#include <string.h>\n")
682 stream
.write
("#include <stdlib.h>\n")
683 stream
.write
("#include \"c_functions_hash
.h\
"\n")
684 stream
.write
("typedef struct C_Nit_Names\{char* name; char* nit_name;\}C_Nit_Names;\n")
685 stream
.write
("const char* get_nit_name(register const char* procproc, register unsigned int len)\{\n")
686 stream
.write
("char* procname = malloc(len+1);")
687 stream
.write
("memcpy(procname, procproc, len);")
688 stream
.write
("procname[len] = '\\0';")
689 stream
.write
("static const C_Nit_Names map[{names.length}] = \{\n")
690 for i
in names
.keys
do
692 stream.write(i.escape_to_c)
693 stream.write("\
",\"")
694 stream.write(names[i].escape_to_c)
695 stream.write("\
"\},\n")
697 stream
.write
("\};\n")
698 stream
.write
("int i;")
699 stream
.write
("for(i = 0; i < {names.length}; i++)\{")
700 stream
.write
("if(strcmp(procname,map[i].name) == 0)\{")
701 stream
.write
("free(procname);")
702 stream
.write
("return map[i].nit_name;")
705 stream
.write
("free(procname);")
706 stream
.write
("return NULL;")
710 stream
= new FileWriter.open
("{compile_dir}/c_functions_hash.h")
711 stream
.write
("const char* get_nit_name(register const char* procname, register unsigned int len);\n")
714 extern_bodies
.add
(new ExternCFile("c_functions_hash.c", ""))
718 # This method call compile_header_strucs method that has to be refined
719 fun compile_header
do
720 self.header
.add_decl
("#include <stdlib.h>")
721 self.header
.add_decl
("#include <stdio.h>")
722 self.header
.add_decl
("#include <string.h>")
724 self.header
.add_decl
("#include <setjmp.h>\n")
725 self.header
.add_decl
("#include <sys/types.h>\n")
726 self.header
.add_decl
("#include <unistd.h>\n")
727 self.header
.add_decl
("#include <stdint.h>\n")
728 self.header
.add_decl
("#ifdef __linux__")
729 self.header
.add_decl
(" #include <endian.h>")
730 self.header
.add_decl
("#endif")
731 self.header
.add_decl
("#include <inttypes.h>\n")
732 self.header
.add_decl
("#include \"gc_chooser
.h\
"")
733 if modelbuilder
.toolcontext
.opt_trace
.value
then self.header
.add_decl
("#include \"traces
.h\
"")
734 self.header
.add_decl
("#ifdef __APPLE__")
735 self.header
.add_decl
(" #include <TargetConditionals.h>")
736 self.header
.add_decl
(" #include <syslog.h>")
737 self.header
.add_decl
(" #include <libkern/OSByteOrder.h>")
738 self.header
.add_decl
(" #define be32toh(x) OSSwapBigToHostInt32(x)")
739 self.header
.add_decl
("#endif")
740 self.header
.add_decl
("#ifdef _WIN32")
741 self.header
.add_decl
(" #define be32toh(val) _byteswap_ulong(val)")
742 self.header
.add_decl
("#endif")
743 self.header
.add_decl
("#ifdef ANDROID")
744 self.header
.add_decl
(" #ifndef be32toh")
745 self.header
.add_decl
(" #define be32toh(val) betoh32(val)")
746 self.header
.add_decl
(" #endif")
747 self.header
.add_decl
(" #include <android/log.h>")
748 self.header
.add_decl
(" #define PRINT_ERROR(...) (void)__android_log_print(ANDROID_LOG_WARN, \"Nit\
", __VA_ARGS__)")
749 self.header
.add_decl
("#elif TARGET_OS_IPHONE")
750 self.header
.add_decl
(" #define PRINT_ERROR(...) syslog(LOG_ERR, __VA_ARGS__)")
751 self.header
.add_decl
("#else")
752 self.header
.add_decl
(" #define PRINT_ERROR(...) fprintf(stderr, __VA_ARGS__)")
753 self.header
.add_decl
("#endif")
755 compile_header_structs
756 compile_nitni_structs
759 var gccd_disable
= modelbuilder
.toolcontext
.opt_no_gcc_directive
.value
760 if gccd_disable
.has
("noreturn") or gccd_disable
.has
("all") then
761 # Signal handler function prototype
762 self.header
.add_decl
("void fatal_exit(int);")
764 self.header
.add_decl
("void fatal_exit(int) __attribute__ ((noreturn));")
767 if gccd_disable
.has
("likely") or gccd_disable
.has
("all") then
768 self.header
.add_decl
("#define likely(x) (x)")
769 self.header
.add_decl
("#define unlikely(x) (x)")
770 else if gccd_disable
.has
("correct-likely") then
771 # invert the `likely` definition
772 # Used by masochists to bench the worst case
773 self.header
.add_decl
("#define likely(x) __builtin_expect((x),0)")
774 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),1)")
776 self.header
.add_decl
("#define likely(x) __builtin_expect((x),1)")
777 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),0)")
780 # Global variable used by intern methods
781 self.header
.add_decl
("extern int glob_argc;")
782 self.header
.add_decl
("extern char **glob_argv;")
783 self.header
.add_decl
("extern val *glob_sys;")
786 # Stack stocking environment for longjumps
787 protected fun compile_catch_stack
do
788 self.header
.add_decl
"""
789 struct catch_stack_t {
794 extern struct catch_stack_t *getCatchStack();
798 # Declaration of structures for live Nit types
799 protected fun compile_header_structs
is abstract
801 # Declaration of structures for nitni undelying the FFI
802 protected fun compile_nitni_structs
804 self.header
.add_decl
"""
805 /* Native reference to Nit objects */
806 /* This structure is used to represent every Nit type in extern methods and custom C code. */
808 struct nitni_ref *next,
809 *prev; /* adjacent global references in global list */
810 int count; /* number of time this global reference has been marked */
813 /* List of global references from C code to Nit objects */
814 /* Instanciated empty at init of Nit system and filled explicitly by user in C code */
815 struct nitni_global_ref_list_t {
816 struct nitni_ref *head, *tail;
818 extern struct nitni_global_ref_list_t *nitni_global_ref_list;
820 /* Initializer of global reference list */
821 extern void nitni_global_ref_list_init();
823 /* Intern function to add a global reference to the list */
824 extern void nitni_global_ref_add( struct nitni_ref *ref );
826 /* Intern function to remove a global reference from the list */
827 extern void nitni_global_ref_remove( struct nitni_ref *ref );
829 /* Increase count on an existing global reference */
830 extern void nitni_global_ref_incr( struct nitni_ref *ref );
832 /* Decrease count on an existing global reference */
833 extern void nitni_global_ref_decr( struct nitni_ref *ref );
837 fun compile_finalizer_function
839 var finalizable_type
= mainmodule
.finalizable_type
840 if finalizable_type
== null then return
842 var finalize_meth
= mainmodule
.try_get_primitive_method
("finalize", finalizable_type
.mclass
)
844 if finalize_meth
== null then
845 modelbuilder
.toolcontext
.error
(null, "Error: the `Finalizable` class does not declare the `finalize` method.")
849 var v
= self.new_visitor
850 v
.add_decl
"void gc_finalize (void *obj, void *client_data) \{"
851 var recv
= v
.new_expr
("obj", finalizable_type
)
852 v
.send
(finalize_meth
, [recv
])
856 # Hook to add specif piece of code before the the main C function.
858 # Is called by `compile_main_function`
859 fun compile_before_main
(v
: VISITOR)
863 # Hook to add specif piece of code at the begin on the main C function.
865 # Is called by `compile_main_function`
866 fun compile_begin_main
(v
: VISITOR)
870 # Generate the main C function.
874 # * allocate the Sys object if it exists
875 # * call init if is exists
876 # * call main if it exists
877 fun compile_main_function
879 var v
= self.new_visitor
880 v
.add_decl
("#include <signal.h>")
881 var platform
= target_platform
883 var no_main
= platform
.no_main
or modelbuilder
.toolcontext
.opt_no_main
.value
885 if platform
.supports_libunwind
then
886 v
.add_decl
("#ifndef NO_STACKTRACE")
887 v
.add_decl
("#define UNW_LOCAL_ONLY")
888 v
.add_decl
("#include <libunwind.h>")
889 v
.add_decl
("#include \"c_functions_hash
.h\
"")
892 v
.add_decl
("int glob_argc;")
893 v
.add_decl
("char **glob_argv;")
894 v
.add_decl
("val *glob_sys;")
896 # Store catch stack in thread local storage
898 #if defined(TARGET_OS_IPHONE)
899 // Use pthread_key_create and others for iOS
902 static pthread_key_t catch_stack_key;
903 static pthread_once_t catch_stack_key_created = PTHREAD_ONCE_INIT;
905 static void create_catch_stack()
907 pthread_key_create(&catch_stack_key, NULL);
910 struct catch_stack_t *getCatchStack()
912 pthread_once(&catch_stack_key_created, &create_catch_stack);
913 struct catch_stack_t *data = pthread_getspecific(catch_stack_key);
915 data = malloc(sizeof(struct catch_stack_t));
917 data->currentSize = 0;
919 pthread_setspecific(catch_stack_key, data);
924 // Use __thread when available
925 __thread struct catch_stack_t catchStack = {-1, 0, NULL};
927 struct catch_stack_t *getCatchStack()
934 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
935 for tag
in count_type_test_tags
do
936 v
.add_decl
("long count_type_test_resolved_{tag};")
937 v
.add_decl
("long count_type_test_unresolved_{tag};")
938 v
.add_decl
("long count_type_test_skipped_{tag};")
939 v
.compiler
.header
.add_decl
("extern long count_type_test_resolved_{tag};")
940 v
.compiler
.header
.add_decl
("extern long count_type_test_unresolved_{tag};")
941 v
.compiler
.header
.add_decl
("extern long count_type_test_skipped_{tag};")
945 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
946 v
.add_decl
("long count_invoke_by_tables;")
947 v
.add_decl
("long count_invoke_by_direct;")
948 v
.add_decl
("long count_invoke_by_inline;")
949 v
.compiler
.header
.add_decl
("extern long count_invoke_by_tables;")
950 v
.compiler
.header
.add_decl
("extern long count_invoke_by_direct;")
951 v
.compiler
.header
.add_decl
("extern long count_invoke_by_inline;")
954 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
955 v
.add_decl
("long count_attr_reads = 0;")
956 v
.add_decl
("long count_isset_checks = 0;")
957 v
.compiler
.header
.add_decl
("extern long count_attr_reads;")
958 v
.compiler
.header
.add_decl
("extern long count_isset_checks;")
961 v
.add_decl
("static void show_backtrace(void) \{")
962 if platform
.supports_libunwind
then
963 v
.add_decl
("#ifndef NO_STACKTRACE")
964 v
.add_decl
("char* opt = getenv(\"NIT_NO_STACK\
");")
965 v
.add_decl
("unw_cursor_t cursor;")
966 v
.add_decl
("if(opt==NULL)\{")
967 v
.add_decl
("unw_context_t uc;")
968 v
.add_decl
("unw_word_t ip;")
969 v
.add_decl
("char* procname = malloc(sizeof(char) * 100);")
970 v
.add_decl
("unw_getcontext(&uc);")
971 v
.add_decl
("unw_init_local(&cursor, &uc);")
972 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
973 v
.add_decl
("PRINT_ERROR(\"-- Stack Trace ------------------------------\\n\
");")
974 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
975 v
.add_decl
("while (unw_step(&cursor) > 0) \{")
976 v
.add_decl
(" unw_get_proc_name(&cursor, procname, 100, &ip);")
977 v
.add_decl
(" const char* recv = get_nit_name(procname, strlen(procname));")
978 v
.add_decl
(" if (recv != NULL)\{")
979 v
.add_decl
(" PRINT_ERROR(\"` %s\\n\", recv);")
980 v.add_decl(" \}else\{")
981 v.add_decl(" PRINT_ERROR(\"` %s\\n\
", procname);")
984 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
985 v
.add_decl
("free(procname);")
987 v
.add_decl
("#endif /* NO_STACKTRACE */")
991 v
.add_decl
("void sig_handler(int signo)\{")
992 v
.add_decl
"#ifdef _WIN32"
993 v
.add_decl
"PRINT_ERROR(\"Caught signal
: %s\\n\
", signo);"
995 v
.add_decl
("PRINT_ERROR(\"Caught signal
: %s\\n\
", strsignal(signo));")
997 v
.add_decl
("show_backtrace();")
999 v
.add_decl
("signal(signo, SIG_DFL);")
1000 v
.add_decl
"#ifndef _WIN32"
1001 v
.add_decl
("kill(getpid(), signo);")
1005 v
.add_decl
("void fatal_exit(int status) \{")
1006 v
.add_decl
("show_backtrace();")
1007 v
.add_decl
("exit(status);")
1010 compile_before_main
(v
)
1013 v
.add_decl
("int nit_main(int argc, char** argv) \{")
1015 v
.add_decl
("int main(int argc, char** argv) \{")
1018 compile_begin_main
(v
)
1020 v
.add
"#if !defined(__ANDROID__) && !defined(TARGET_OS_IPHONE)"
1021 v
.add
("signal(SIGABRT, sig_handler);")
1022 v
.add
("signal(SIGFPE, sig_handler);")
1023 v
.add
("signal(SIGILL, sig_handler);")
1024 v
.add
("signal(SIGINT, sig_handler);")
1025 v
.add
("signal(SIGTERM, sig_handler);")
1026 v
.add
("signal(SIGSEGV, sig_handler);")
1028 v
.add
"#ifndef _WIN32"
1029 v
.add
("signal(SIGPIPE, SIG_IGN);")
1032 v
.add
("glob_argc = argc; glob_argv = argv;")
1033 v
.add
("initialize_gc_option();")
1035 v
.add
"initialize_nitni_global_refs();"
1037 var main_type
= mainmodule
.sys_type
1038 if main_type
!= null then
1039 var mainmodule
= v
.compiler
.mainmodule
1040 var glob_sys
= v
.init_instance
(main_type
)
1041 v
.add
("glob_sys = {glob_sys};")
1042 var main_init
= mainmodule
.try_get_primitive_method
("init", main_type
.mclass
)
1043 if main_init
!= null then
1044 v
.send
(main_init
, [glob_sys
])
1046 var main_method
= mainmodule
.try_get_primitive_method
("run", main_type
.mclass
) or else
1047 mainmodule
.try_get_primitive_method
("main", main_type
.mclass
)
1048 if main_method
!= null then
1049 v
.send
(main_method
, [glob_sys
])
1053 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1054 v
.add_decl
("long count_type_test_resolved_total = 0;")
1055 v
.add_decl
("long count_type_test_unresolved_total = 0;")
1056 v
.add_decl
("long count_type_test_skipped_total = 0;")
1057 v
.add_decl
("long count_type_test_total_total = 0;")
1058 for tag
in count_type_test_tags
do
1059 v
.add_decl
("long count_type_test_total_{tag};")
1060 v
.add
("count_type_test_total_{tag} = count_type_test_resolved_{tag} + count_type_test_unresolved_{tag} + count_type_test_skipped_{tag};")
1061 v
.add
("count_type_test_resolved_total += count_type_test_resolved_{tag};")
1062 v
.add
("count_type_test_unresolved_total += count_type_test_unresolved_{tag};")
1063 v
.add
("count_type_test_skipped_total += count_type_test_skipped_{tag};")
1064 v
.add
("count_type_test_total_total += count_type_test_total_{tag};")
1066 v
.add
("printf(\"# dynamic count_type_test: total %l\\n\");")
1067 v
.add
("printf(\"\\tresolved\\tunresolved\\tskipped\\ttotal\\n\
");")
1068 var tags
= count_type_test_tags
.to_a
1071 v
.add
("printf(\"{tag}\
");")
1072 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_resolved_{tag}, 100.0*count_type_test_resolved_{tag}/count_type_test_total_total);")
1073 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_unresolved_{tag}, 100.0*count_type_test_unresolved_{tag}/count_type_test_total_total);")
1074 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_skipped_{tag}, 100.0*count_type_test_skipped_{tag}/count_type_test_total_total);")
1075 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\\n\
", count_type_test_total_{tag}, 100.0*count_type_test_total_{tag}/count_type_test_total_total);")
1079 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
1080 v
.add_decl
("long count_invoke_total;")
1081 v
.add
("count_invoke_total = count_invoke_by_tables + count_invoke_by_direct + count_invoke_by_inline;")
1082 v
.add
("printf(\"# dynamic count_invocation: total %ld\\n\", count_invoke_total);")
1083 v
.add
("printf(\"by table
: %ld
(%.2f
%%)\\n\
", count_invoke_by_tables, 100.0*count_invoke_by_tables/count_invoke_total);")
1084 v
.add
("printf(\"direct
: %ld
(%.2f
%%)\\n\
", count_invoke_by_direct, 100.0*count_invoke_by_direct/count_invoke_total);")
1085 v
.add
("printf(\"inlined
: %ld
(%.2f
%%)\\n\
", count_invoke_by_inline, 100.0*count_invoke_by_inline/count_invoke_total);")
1088 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
1089 v
.add
("printf(\"# dynamic attribute reads: %ld\\n\", count_attr_reads);")
1090 v
.add
("printf(\"# dynamic isset checks: %ld\\n\", count_isset_checks);")
1096 for m
in mainmodule
.in_importation
.greaters
do
1097 var f
= "FILE_"+m
.c_name
1098 v
.add
"const char {f}[] = \"{m.location.file.filename.escape_to_c}\
";"
1099 provide_declaration
(f
, "extern const char {f}[];")
1103 # Copile all C functions related to the [incr|decr]_ref features of the FFI
1104 fun compile_nitni_global_ref_functions
1106 var v
= self.new_visitor
1108 struct nitni_global_ref_list_t *nitni_global_ref_list;
1109 void initialize_nitni_global_refs() {
1110 nitni_global_ref_list = (struct nitni_global_ref_list_t*)nit_alloc(sizeof(struct nitni_global_ref_list_t));
1111 nitni_global_ref_list->head = NULL;
1112 nitni_global_ref_list->tail = NULL;
1115 void nitni_global_ref_add( struct nitni_ref *ref ) {
1116 if ( nitni_global_ref_list->head == NULL ) {
1117 nitni_global_ref_list->head = ref;
1120 nitni_global_ref_list->tail->next = ref;
1121 ref->prev = nitni_global_ref_list->tail;
1123 nitni_global_ref_list->tail = ref;
1128 void nitni_global_ref_remove( struct nitni_ref *ref ) {
1129 if ( ref->prev == NULL ) {
1130 nitni_global_ref_list->head = ref->next;
1132 ref->prev->next = ref->next;
1135 if ( ref->next == NULL ) {
1136 nitni_global_ref_list->tail = ref->prev;
1138 ref->next->prev = ref->prev;
1142 extern void nitni_global_ref_incr( struct nitni_ref *ref ) {
1143 if ( ref->count == 0 ) /* not registered */
1146 nitni_global_ref_add( ref );
1152 extern void nitni_global_ref_decr( struct nitni_ref *ref ) {
1153 if ( ref->count == 1 ) /* was last reference */
1155 /* remove from list */
1156 nitni_global_ref_remove( ref );
1164 # List of additional files required to compile (FFI)
1165 var extern_bodies
= new Array[ExternFile]
1167 # List of source files to copy over to the compile dir
1168 var files_to_copy
= new Array[String]
1170 # This is used to avoid adding an extern file more than once
1171 private var seen_extern
= new ArraySet[String]
1173 # Generate code that initialize the attributes on a new instance
1174 fun generate_init_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1176 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1177 self.mainmodule
.linearize_mclassdefs
(cds
)
1179 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1180 npropdef
.init_expr
(v
, recv
)
1185 # Generate code that check if an attribute is correctly initialized
1186 fun generate_check_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1188 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1189 self.mainmodule
.linearize_mclassdefs
(cds
)
1191 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1192 npropdef
.check_expr
(v
, recv
)
1199 var count_type_test_tags
: Array[String] = ["isa", "as", "auto", "covariance", "erasure"]
1200 var count_type_test_resolved
: HashMap[String, Int] = init_count_type_test_tags
1201 var count_type_test_unresolved
: HashMap[String, Int] = init_count_type_test_tags
1202 var count_type_test_skipped
: HashMap[String, Int] = init_count_type_test_tags
1204 protected fun init_count_type_test_tags
: HashMap[String, Int]
1206 var res
= new HashMap[String, Int]
1207 for tag
in count_type_test_tags
do
1213 # Display stats about compilation process
1217 # * type tests against resolved types (`x isa Collection[Animal]`)
1218 # * type tests against unresolved types (`x isa Collection[E]`)
1219 # * type tests skipped
1220 # * type tests total
1223 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1224 print
"# static count_type_test"
1225 print
"\tresolved:\tunresolved\tskipped\ttotal"
1226 var count_type_test_total
= init_count_type_test_tags
1227 count_type_test_resolved
["total"] = 0
1228 count_type_test_unresolved
["total"] = 0
1229 count_type_test_skipped
["total"] = 0
1230 count_type_test_total
["total"] = 0
1231 for tag
in count_type_test_tags
do
1232 count_type_test_total
[tag
] = count_type_test_resolved
[tag
] + count_type_test_unresolved
[tag
] + count_type_test_skipped
[tag
]
1233 count_type_test_resolved
["total"] += count_type_test_resolved
[tag
]
1234 count_type_test_unresolved
["total"] += count_type_test_unresolved
[tag
]
1235 count_type_test_skipped
["total"] += count_type_test_skipped
[tag
]
1236 count_type_test_total
["total"] += count_type_test_total
[tag
]
1238 var count_type_test
= count_type_test_total
["total"]
1239 var tags
= count_type_test_tags
.to_a
1243 printn
"\t{count_type_test_resolved[tag]} ({div(count_type_test_resolved[tag],count_type_test)}%)"
1244 printn
"\t{count_type_test_unresolved[tag]} ({div(count_type_test_unresolved[tag],count_type_test)}%)"
1245 printn
"\t{count_type_test_skipped[tag]} ({div(count_type_test_skipped[tag],count_type_test)}%)"
1246 printn
"\t{count_type_test_total[tag]} ({div(count_type_test_total[tag],count_type_test)}%)"
1252 fun finalize_ffi_for_module
(mmodule
: MModule) do mmodule
.finalize_ffi
(self)
1255 # C code file generated from the `writers` and the `required_declarations`
1257 # A file unit aims to be autonomous and is made or one or more `CodeWriter`s.
1259 # Basename of the file, will be appended by `.h` and `.c`
1262 # `CodeWriter` used in sequence to fill the top of the body, then the bottom
1263 var writers
= new Array[CodeWriter]
1265 # Required declarations keys
1267 # See: `provide_declaration`
1268 var required_declarations
= new HashSet[String]
1271 # Store generated lines
1273 # Instances are added to `file.writers` at construction.
1278 # Main lines of code (written at the bottom of the body)
1279 var lines
= new Array[String]
1281 # Lines of code for declarations (written at the top of the body)
1282 var decl_lines
= new Array[String]
1284 # Add a line in the main lines of code (to `lines`)
1285 fun add
(s
: String) do self.lines
.add
(s
)
1287 # Add a declaration line (to `decl_lines`)
1289 # Used for local and global declaration.
1290 fun add_decl
(s
: String) do self.decl_lines
.add
(s
)
1294 file
.writers
.add
(self)
1298 # A visitor on the AST of property definition that generate the C code.
1299 abstract class AbstractCompilerVisitor
1301 type COMPILER: AbstractCompiler
1303 # The associated compiler
1304 var compiler
: COMPILER
1306 # The current visited AST node
1307 var current_node
: nullable ANode = null is writable
1309 # The current `StaticFrame`
1310 var frame
: nullable StaticFrame = null is writable
1312 # Alias for self.compiler.mainmodule.object_type
1313 fun object_type
: MClassType do return self.compiler
.mainmodule
.object_type
1315 # Alias for self.compiler.mainmodule.bool_type
1316 fun bool_type
: MClassType do return self.compiler
.mainmodule
.bool_type
1318 var writer
: CodeWriter is noinit
1322 self.writer
= new CodeWriter(compiler
.files
.last
)
1325 # Force to get the primitive property named `name` in the instance `recv` or abort
1326 fun get_property
(name
: String, recv
: MType): MMethod
1328 assert recv
isa MClassType
1329 return self.compiler
.modelbuilder
.force_get_primitive_method
(self.current_node
, name
, recv
.mclass
, self.compiler
.mainmodule
)
1332 fun compile_callsite
(callsite
: CallSite, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
1334 if callsite
.is_broken
then return null
1335 var initializers
= callsite
.mpropdef
.initializers
1336 if not initializers
.is_empty
then
1337 var recv
= arguments
.first
1340 for p
in initializers
do
1341 if p
isa MMethod then
1343 for x
in p
.intro
.msignature
.mparameters
do
1344 args
.add arguments
[i
]
1348 else if p
isa MAttribute then
1349 self.write_attribute
(p
, recv
, arguments
[i
])
1353 assert i
== arguments
.length
1355 return self.send
(callsite
.mproperty
, [recv
])
1358 return self.send
(callsite
.mproperty
, arguments
)
1361 fun native_array_instance
(elttype
: MType, length
: RuntimeVariable): RuntimeVariable is abstract
1363 fun native_array_def
(pname
: String, ret_type
: nullable MType, arguments
: Array[RuntimeVariable]): Bool do return false
1365 # Return an element of a native array.
1366 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1367 fun native_array_get
(native_array
: RuntimeVariable, index
: Int): RuntimeVariable is abstract
1369 # Store an element in a native array.
1370 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1371 fun native_array_set
(native_array
: RuntimeVariable, index
: Int, value
: RuntimeVariable) is abstract
1373 # Allocate `size` bytes with the low_level `nit_alloc` C function
1375 # This method can be redefined to inject statistic or tracing code.
1377 # `tag` if any, is used to mark the class of the allocated object.
1378 fun nit_alloc
(size
: String, tag
: nullable String): String
1380 return "nit_alloc({size})"
1383 # Evaluate `args` as expressions in the call of `mpropdef` on `recv`.
1384 # This method is used to manage varargs in signatures and returns the real array
1385 # of runtime variables to use in the call.
1386 fun varargize
(mpropdef
: MMethodDef, map
: nullable SignatureMap, recv
: RuntimeVariable, args
: SequenceRead[AExpr]): Array[RuntimeVariable]
1388 var msignature
= mpropdef
.new_msignature
or else mpropdef
.msignature
.as(not null)
1389 var res
= new Array[RuntimeVariable]
1392 if msignature
.arity
== 0 then return res
1395 assert args
.length
== msignature
.arity
1397 res
.add
self.expr
(ne
, null)
1402 # Eval in order of arguments, not parameters
1403 var exprs
= new Array[RuntimeVariable].with_capacity
(args
.length
)
1405 exprs
.add
self.expr
(ne
, null)
1408 # Fill `res` with the result of the evaluation according to the mapping
1409 for i
in [0..msignature
.arity
[ do
1410 var param
= msignature
.mparameters
[i
]
1411 var j
= map
.map
.get_or_null
(i
)
1414 res
.add
(null_instance
)
1417 if param
.is_vararg
and args
[i
].vararg_decl
> 0 then
1418 var vararg
= exprs
.sub
(j
, args
[i
].vararg_decl
)
1419 var elttype
= param
.mtype
1420 var arg
= self.vararg_instance
(mpropdef
, recv
, vararg
, elttype
)
1431 # Anchor a type to the main module and the current receiver
1432 fun anchor
(mtype
: MType): MType
1434 if not mtype
.need_anchor
then return mtype
1435 return mtype
.anchor_to
(self.compiler
.mainmodule
, self.frame
.receiver
)
1438 fun resolve_for
(mtype
: MType, recv
: RuntimeVariable): MType
1440 if not mtype
.need_anchor
then return mtype
1441 return mtype
.resolve_for
(recv
.mcasttype
, self.frame
.receiver
, self.compiler
.mainmodule
, true)
1444 # Unsafely cast a value to a new type
1445 # ie the result share the same C variable but my have a different mcasttype
1446 # NOTE: if the adaptation is useless then `value` is returned as it.
1447 # ENSURE: `result.name == value.name`
1448 fun autoadapt
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable
1450 mtype
= self.anchor
(mtype
)
1451 var valmtype
= value
.mcasttype
1453 # CPrimitive is the best you can do
1454 if valmtype
.is_c_primitive
then
1458 # Do nothing if useless autocast
1459 if valmtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1463 # Just as_not_null if the target is not nullable.
1465 # eg `nullable PreciseType` adapted to `Object` gives precisetype.
1466 if valmtype
isa MNullableType and valmtype
.mtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1467 mtype
= valmtype
.mtype
1470 var res
= new RuntimeVariable(value
.name
, value
.mtype
, mtype
)
1474 # Generate a super call from a method definition
1475 fun supercall
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1477 # Adapt the arguments of a method according to targetted `MMethodDef`
1478 fun adapt_signature
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1480 # Unbox all the arguments of a method when implemented `extern` or `intern`
1481 fun unbox_signature_extern
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1483 # Box or unbox a value to another type iff a C type conversion is needed
1484 # ENSURE: `result.mtype.ctype == mtype.ctype`
1485 fun autobox
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1487 # Box extern classes to be used in the generated code
1488 fun box_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1490 # Unbox extern classes to be used in extern code (legacy NI and FFI)
1491 fun unbox_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1493 # Generate a polymorphic subtype test
1494 fun type_test
(value
: RuntimeVariable, mtype
: MType, tag
: String): RuntimeVariable is abstract
1496 # Generate the code required to dynamically check if 2 objects share the same runtime type
1497 fun is_same_type_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1499 # Generate a Nit "is" for two runtime_variables
1500 fun equal_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1504 # Generate a static call on a method definition
1505 fun call
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1507 # Generate a polymorphic send for the method `m` and the arguments `args`
1508 fun send
(m
: MMethod, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1510 # Generate a monomorphic send for the method `m`, the type `t` and the arguments `args`
1511 fun monomorphic_send
(m
: MMethod, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1513 assert t
isa MClassType
1514 var propdef
= m
.lookup_first_definition
(self.compiler
.mainmodule
, t
)
1515 return self.call
(propdef
, t
, args
)
1518 # Generate a monomorphic super send from the method `m`, the type `t` and the arguments `args`
1519 fun monomorphic_super_send
(m
: MMethodDef, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1521 assert t
isa MClassType
1522 m
= m
.lookup_next_definition
(self.compiler
.mainmodule
, t
)
1523 return self.call
(m
, t
, args
)
1526 # Attributes handling
1528 # Generate a polymorphic attribute is_set test
1529 fun isset_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1531 # Generate a polymorphic attribute read
1532 fun read_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1534 # Generate a polymorphic attribute write
1535 fun write_attribute
(a
: MAttribute, recv
: RuntimeVariable, value
: RuntimeVariable) is abstract
1539 # Can value be null? (according to current knowledge)
1540 fun maybe_null
(value
: RuntimeVariable): Bool
1542 return value
.mcasttype
isa MNullableType or value
.mcasttype
isa MNullType
1545 # Add a check and an abort for a null receiver if needed
1546 fun check_recv_notnull
(recv
: RuntimeVariable)
1548 if self.compiler
.modelbuilder
.toolcontext
.opt_no_check_null
.value
then return
1550 if maybe_null
(recv
) then
1551 self.add
("if (unlikely({recv} == NULL)) \{")
1552 self.add_abort
("Receiver is null")
1559 private var names
= new HashSet[String]
1560 private var last
: Int = 0
1562 # Return a new name based on `s` and unique in the visitor
1563 fun get_name
(s
: String): String
1565 if not self.names
.has
(s
) then
1569 var i
= self.last
+ 1
1572 if not self.names
.has
(s2
) then
1581 # Return an unique and stable identifier associated with an escapemark
1582 fun escapemark_name
(e
: nullable EscapeMark): String
1585 if frame
.escapemark_names
.has_key
(e
) then return frame
.escapemark_names
[e
]
1587 if name
== null then name
= "label"
1588 name
= get_name
(name
)
1589 frame
.escapemark_names
[e
] = name
1593 # Insert a C label for associated with an escapemark
1594 fun add_escape_label
(e
: nullable EscapeMark)
1596 if e
== null then return
1597 if e
.escapes
.is_empty
then return
1598 add
("BREAK_{escapemark_name(e)}: (void)0;")
1601 # Return a "const char*" variable associated to the classname of the dynamic type of an object
1602 # NOTE: we do not return a `RuntimeVariable` "CString" as the class may not exist in the module/program
1603 fun class_name_string
(value
: RuntimeVariable): String is abstract
1605 # Variables handling
1607 protected var variables
= new HashMap[Variable, RuntimeVariable]
1609 # Return the local runtime_variable associated to a Nit local variable
1610 fun variable
(variable
: Variable): RuntimeVariable
1612 if self.variables
.has_key
(variable
) then
1613 return self.variables
[variable
]
1615 var name
= self.get_name
("var_{variable.name}")
1616 var mtype
= variable
.declared_type
.as(not null)
1617 mtype
= self.anchor
(mtype
)
1618 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1619 self.add_decl
("{mtype.ctype} {name} /* var {variable}: {mtype} */;")
1620 self.variables
[variable
] = res
1625 # Return a new uninitialized local runtime_variable
1626 fun new_var
(mtype
: MType): RuntimeVariable
1628 mtype
= self.anchor
(mtype
)
1629 var name
= self.get_name
("var")
1630 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1631 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1635 # The difference with `new_var` is the C static type of the local variable
1636 fun new_var_extern
(mtype
: MType): RuntimeVariable
1638 mtype
= self.anchor
(mtype
)
1639 var name
= self.get_name
("var")
1640 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1641 self.add_decl
("{mtype.ctype_extern} {name} /* : {mtype} for extern */;")
1645 # Return a new uninitialized named runtime_variable
1646 fun new_named_var
(mtype
: MType, name
: String): RuntimeVariable
1648 mtype
= self.anchor
(mtype
)
1649 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1650 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1654 # Correctly assign a left and a right value
1655 # Boxing and unboxing is performed if required
1656 fun assign
(left
, right
: RuntimeVariable)
1658 right
= self.autobox
(right
, left
.mtype
)
1659 self.add
("{left} = {right};")
1662 # Generate instances
1664 # Generate a alloc-instance + init-attributes
1665 fun init_instance
(mtype
: MClassType): RuntimeVariable is abstract
1667 # Allocate and init attributes of an instance of a standard or extern class
1669 # Does not support universals and the pseudo-internal `NativeArray` class.
1670 fun init_instance_or_extern
(mtype
: MClassType): RuntimeVariable
1673 var ctype
= mtype
.ctype
1674 assert mtype
.mclass
.name
!= "NativeArray"
1675 if not mtype
.is_c_primitive
then
1676 recv
= init_instance
(mtype
)
1677 else if ctype
== "char*" then
1678 recv
= new_expr
("NULL/*special!*/", mtype
)
1680 recv
= new_expr
("({ctype})0/*special!*/", mtype
)
1685 # Set a GC finalizer on `recv`, only if `recv` isa Finalizable
1686 fun set_finalizer
(recv
: RuntimeVariable)
1688 var mtype
= recv
.mtype
1689 var finalizable_type
= compiler
.mainmodule
.finalizable_type
1690 if finalizable_type
!= null and not mtype
.need_anchor
and
1691 mtype
.is_subtype
(compiler
.mainmodule
, null, finalizable_type
) then
1692 add
"gc_register_finalizer({recv});"
1696 # The currently processed module
1698 # alias for `compiler.mainmodule`
1699 fun mmodule
: MModule do return compiler
.mainmodule
1701 # Generate an integer value
1702 fun int_instance
(value
: Int): RuntimeVariable
1704 var t
= mmodule
.int_type
1705 var res
= new RuntimeVariable("{value.to_s}l", t
, t
)
1709 # Generate a byte value
1710 fun byte_instance
(value
: Byte): RuntimeVariable
1712 var t
= mmodule
.byte_type
1713 var res
= new RuntimeVariable("((unsigned char){value.to_s})", t
, t
)
1717 # Generate an int8 value
1718 fun int8_instance
(value
: Int8): RuntimeVariable
1720 var t
= mmodule
.int8_type
1721 var res
= new RuntimeVariable("INT8_C({value.to_s})", t
, t
)
1725 # Generate an int16 value
1726 fun int16_instance
(value
: Int16): RuntimeVariable
1728 var t
= mmodule
.int16_type
1729 var res
= new RuntimeVariable("INT16_C({value.to_s})", t
, t
)
1733 # Generate a uint16 value
1734 fun uint16_instance
(value
: UInt16): RuntimeVariable
1736 var t
= mmodule
.uint16_type
1737 var res
= new RuntimeVariable("UINT16_C({value.to_s})", t
, t
)
1741 # Generate an int32 value
1742 fun int32_instance
(value
: Int32): RuntimeVariable
1744 var t
= mmodule
.int32_type
1745 var res
= new RuntimeVariable("INT32_C({value.to_s})", t
, t
)
1749 # Generate a uint32 value
1750 fun uint32_instance
(value
: UInt32): RuntimeVariable
1752 var t
= mmodule
.uint32_type
1753 var res
= new RuntimeVariable("UINT32_C({value.to_s})", t
, t
)
1757 # Generate a char value
1758 fun char_instance
(value
: Char): RuntimeVariable
1760 var t
= mmodule
.char_type
1762 if value
.code_point
< 128 then
1763 return new RuntimeVariable("'{value.to_s.escape_to_c}'", t
, t
)
1765 return new RuntimeVariable("{value.code_point}", t
, t
)
1769 # Generate a float value
1771 # FIXME pass a Float, not a string
1772 fun float_instance
(value
: String): RuntimeVariable
1774 var t
= mmodule
.float_type
1775 var res
= new RuntimeVariable("{value}", t
, t
)
1779 # Generate an integer value
1780 fun bool_instance
(value
: Bool): RuntimeVariable
1782 var s
= if value
then "1" else "0"
1783 var res
= new RuntimeVariable(s
, bool_type
, bool_type
)
1787 # Generate the `null` value
1788 fun null_instance
: RuntimeVariable
1790 var t
= compiler
.mainmodule
.model
.null_type
1791 var res
= new RuntimeVariable("((val*)NULL)", t
, t
)
1795 # Generates a CString instance fully escaped in C-style \xHH fashion
1796 fun c_string_instance
(ns
: CString, len
: Int): RuntimeVariable do
1797 var mtype
= mmodule
.c_string_type
1798 var nat
= new_var
(mtype
)
1799 var byte_esc
= new Buffer.with_cap
(len
* 4)
1800 for i
in [0 .. len
[ do
1801 byte_esc
.append
("\\x{ns[i].to_hex}")
1803 self.add
("{nat} = \"{byte_esc}\
";")
1807 # Generate a string value
1808 fun string_instance
(string
: String): RuntimeVariable
1810 var mtype
= mmodule
.string_type
1811 var name
= self.get_name
("varonce")
1812 self.add_decl
("static {mtype.ctype} {name};")
1813 var res
= self.new_var
(mtype
)
1814 self.add
("if (likely({name}!=NULL)) \{")
1815 self.add
("{res} = {name};")
1816 self.add
("\} else \{")
1817 var native_mtype
= mmodule
.c_string_type
1818 var nat
= self.new_var
(native_mtype
)
1819 self.add
("{nat} = \"{string.escape_to_c}\
";")
1820 var byte_length
= self.int_instance
(string
.byte_length
)
1821 var unilen
= self.int_instance
(string
.length
)
1822 self.add
("{res} = {self.send(self.get_property("to_s_unsafe", native_mtype), [nat, byte_length, unilen, value_instance(false), value_instance(false)]).as(not null)};")
1823 self.add
("{name} = {res};")
1828 fun value_instance
(object
: Object): RuntimeVariable
1830 if object
isa Int then
1831 return int_instance
(object
)
1832 else if object
isa Bool then
1833 return bool_instance
(object
)
1834 else if object
isa String then
1835 return string_instance
(object
)
1841 # Generate an array value
1842 fun array_instance
(array
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1844 # Get an instance of a array for a vararg
1845 fun vararg_instance
(mpropdef
: MPropDef, recv
: RuntimeVariable, varargs
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1849 # Add a line in the main part of the generated C
1850 fun add
(s
: String) do self.writer
.lines
.add
(s
)
1853 # (used for local or global declaration)
1854 fun add_decl
(s
: String) do self.writer
.decl_lines
.add
(s
)
1856 # Request the presence of a global declaration
1857 fun require_declaration
(key
: String)
1859 var reqs
= self.writer
.file
.required_declarations
1860 if reqs
.has
(key
) then return
1862 var node
= current_node
1863 if node
!= null then compiler
.requirers_of_declarations
[key
] = node
1866 # Add a declaration in the local-header
1867 # The declaration is ensured to be present once
1868 fun declare_once
(s
: String)
1870 self.compiler
.provide_declaration
(s
, s
)
1871 self.require_declaration
(s
)
1874 # Look for a needed .h and .c file for a given module
1875 # This is used for the legacy FFI
1876 fun add_extern
(mmodule
: MModule)
1878 var file
= mmodule
.filepath
1879 file
= file
.strip_extension
(".nit")
1880 var tryfile
= file
+ ".nit.h"
1881 if tryfile
.file_exists
then
1882 self.declare_once
("#include \"{tryfile.basename}\
"")
1883 self.compiler
.files_to_copy
.add
(tryfile
)
1885 tryfile
= file
+ "_nit.h"
1886 if tryfile
.file_exists
then
1887 self.declare_once
("#include \"{tryfile.basename}\
"")
1888 self.compiler
.files_to_copy
.add
(tryfile
)
1891 if self.compiler
.seen_extern
.has
(file
) then return
1892 self.compiler
.seen_extern
.add
(file
)
1893 tryfile
= file
+ ".nit.c"
1894 if not tryfile
.file_exists
then
1895 tryfile
= file
+ "_nit.c"
1896 if not tryfile
.file_exists
then return
1898 var f
= new ExternCFile(tryfile
.basename
, "")
1899 self.compiler
.extern_bodies
.add
(f
)
1900 self.compiler
.files_to_copy
.add
(tryfile
)
1903 # Return a new local runtime_variable initialized with the C expression `cexpr`.
1904 fun new_expr
(cexpr
: String, mtype
: MType): RuntimeVariable
1906 var res
= new_var
(mtype
)
1907 self.add
("{res} = {cexpr};")
1911 # Generate generic abort
1912 # used by aborts, asserts, casts, etc.
1913 fun add_abort
(message
: String)
1916 self.add
("PRINT_ERROR(\"Runtime error
: %s\
", \"{message.escape_to_c}\
");")
1920 # Generate a long jump if there is a catch block.
1922 # This method should be called before the error messages and before a `add_raw_abort`.
1926 self.add
("struct catch_stack_t *catchStack = getCatchStack();")
1927 self.add
("if(catchStack->cursor >= 0)\{")
1928 self.add
(" longjmp(catchStack->envs[catchStack->cursor], 1);")
1933 # Generate abort without a message.
1935 # Used when one need a more complex message.
1936 # Do not forget to call `add_raw_abort` before the display of a custom user message.
1939 var current_node
= self.current_node
1940 if current_node
!= null and current_node
.location
.file
!= null and
1941 current_node
.location
.file
.mmodule
!= null then
1942 var f
= "FILE_{self.current_node.location.file.mmodule.c_name}"
1943 self.require_declaration
(f
)
1944 self.add
("PRINT_ERROR(\" (%s
:%d
)\\n\
", {f}, {current_node.location.line_start});")
1946 self.add
("PRINT_ERROR(\"\\n\
");")
1948 self.add
("fatal_exit(1);")
1951 # Add a dynamic cast
1952 fun add_cast
(value
: RuntimeVariable, mtype
: MType, tag
: String)
1954 var res
= self.type_test
(value
, mtype
, tag
)
1955 self.add
("if (unlikely(!{res})) \{")
1957 var cn
= self.class_name_string
(value
)
1958 self.add
("PRINT_ERROR(\"Runtime error
: Cast failed
. Expected `%s`, got
`%s`\
", \"{mtype.to_s.escape_to_c}\
", {cn});")
1963 # Generate a return with the value `s`
1964 fun ret
(s
: RuntimeVariable)
1966 self.assign
(self.frame
.returnvar
.as(not null), s
)
1967 self.add
("goto {self.frame.returnlabel.as(not null)};")
1970 # Compile a statement (if any)
1971 fun stmt
(nexpr
: nullable AExpr)
1973 if nexpr
== null then return
1974 if nexpr
.is_broken
then
1975 # Untyped expression.
1976 # Might mean dead code or invalid code
1978 add_abort
("FATAL: bad statement executed.")
1982 var narray
= nexpr
.comprehension
1983 if narray
!= null then
1984 var recv
= frame
.comprehension
.as(not null)
1985 var val
= expr
(nexpr
, narray
.element_mtype
)
1986 compile_callsite
(narray
.push_callsite
.as(not null), [recv
, val
])
1990 var old
= self.current_node
1991 self.current_node
= nexpr
1993 self.current_node
= old
1996 # Compile an expression an return its result
1997 # `mtype` is the expected return type, pass null if no specific type is expected.
1998 fun expr
(nexpr
: AExpr, mtype
: nullable MType): RuntimeVariable
2000 var old
= self.current_node
2001 self.current_node
= nexpr
2004 if nexpr
.mtype
!= null then
2005 res
= nexpr
.expr
(self)
2009 # Untyped expression.
2010 # Might mean dead code or invalid code.
2012 add_abort
("FATAL: bad expression executed.")
2013 # and return a placebo result to please the C compiler
2014 if mtype
== null then mtype
= compiler
.mainmodule
.object_type
2015 res
= new_var
(mtype
)
2017 self.current_node
= old
2021 if mtype
!= null then
2022 mtype
= self.anchor
(mtype
)
2023 res
= self.autobox
(res
, mtype
)
2025 res
= autoadapt
(res
, nexpr
.mtype
.as(not null))
2026 var implicit_cast_to
= nexpr
.implicit_cast_to
2027 if implicit_cast_to
!= null and not self.compiler
.modelbuilder
.toolcontext
.opt_no_check_autocast
.value
then
2028 add_cast
(res
, implicit_cast_to
, "auto")
2029 res
= autoadapt
(res
, implicit_cast_to
)
2031 self.current_node
= old
2035 # Alias for `self.expr(nexpr, self.bool_type)`
2036 fun expr_bool
(nexpr
: AExpr): RuntimeVariable do return expr
(nexpr
, bool_type
)
2038 # Safely show a debug message on the current node and repeat the message in the C code as a comment
2039 fun debug
(message
: String)
2041 var node
= self.current_node
2042 if node
== null then
2043 print
"?: {message}"
2047 self.add
("/* DEBUG: {message} */")
2051 # A C function associated to a Nit method
2052 # Because of customization, a given Nit method can be compiler more that once
2053 abstract class AbstractRuntimeFunction
2055 type COMPILER: AbstractCompiler
2056 type VISITOR: AbstractCompilerVisitor
2058 # The associated Nit method
2059 var mmethoddef
: MMethodDef
2061 # The mangled c name of the runtime_function
2062 # Subclasses should redefine `build_c_name` instead
2065 var res
= self.c_name_cache
2066 if res
!= null then return res
2067 res
= self.build_c_name
2068 self.c_name_cache
= res
2072 # Non cached version of `c_name`
2073 protected fun build_c_name
: String is abstract
2075 protected var c_name_cache
: nullable String = null is writable
2077 # Implements a call of the runtime_function
2078 # May inline the body or generate a C function call
2079 fun call
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
2081 # Generate the code for the `AbstractRuntimeFunction`
2082 # Warning: compile more than once compilation makes CC unhappy
2083 fun compile_to_c
(compiler
: COMPILER) is abstract
2086 # A runtime variable hold a runtime value in C.
2087 # Runtime variables are associated to Nit local variables and intermediate results in Nit expressions.
2089 # The tricky point is that a single C variable can be associated to more than one `RuntimeVariable` because the static knowledge of the type of an expression can vary in the C code.
2090 class RuntimeVariable
2091 # The name of the variable in the C code
2094 # The static type of the variable (as declard in C)
2097 # The current casted type of the variable (as known in Nit)
2098 var mcasttype
: MType is writable
2100 # If the variable exaclty a mcasttype?
2101 # false (usual value) means that the variable is a mcasttype or a subtype.
2102 var is_exact
: Bool = false is writable
2106 assert not mtype
.need_anchor
2107 assert not mcasttype
.need_anchor
2110 redef fun to_s
do return name
2115 if self.is_exact
then
2116 exact_str
= " exact"
2121 if self.mtype
== self.mcasttype
then
2122 type_str
= "{mtype}{exact_str}"
2124 type_str
= "{mtype}({mcasttype}{exact_str})"
2126 return "<{name}:{type_str}>"
2130 # The static context of a visited property in a `AbstractCompilerVisitor`
2133 type VISITOR: AbstractCompilerVisitor
2135 # The associated visitor
2136 var visitor
: VISITOR
2138 # The executed property.
2139 # A Method in case of a call, an attribute in case of a default initialization.
2140 var mpropdef
: MPropDef
2142 # The static type of the receiver
2143 var receiver
: MClassType
2145 # Arguments of the method (the first is the receiver)
2146 var arguments
: Array[RuntimeVariable]
2148 # The runtime_variable associated to the return (in a function)
2149 var returnvar
: nullable RuntimeVariable = null is writable
2151 # The label at the end of the property
2152 var returnlabel
: nullable String = null is writable
2154 # Labels associated to a each escapemarks.
2155 # Because of inlinings, escape-marks must be associated to their context (the frame)
2156 private var escapemark_names
= new HashMap[EscapeMark, String]
2158 # The array comprehension currently filled, if any
2159 private var comprehension
: nullable RuntimeVariable = null
2163 # Return the C type associated to a given Nit static type
2164 fun ctype
: String do return "val*"
2166 # C type outside of the compiler code and in boxes
2167 fun ctype_extern
: String do return "val*"
2169 # Short name of the `ctype` to use in unions
2170 fun ctypename
: String do return "val"
2172 # Is the associated C type a primitive one?
2174 # ENSURE `result == (ctype != "val*")`
2175 fun is_c_primitive
: Bool do return false
2178 redef class MClassType
2180 redef var ctype
is lazy
do
2181 if mclass
.name
== "Int" then
2183 else if mclass
.name
== "Bool" then
2185 else if mclass
.name
== "Char" then
2187 else if mclass
.name
== "Float" then
2189 else if mclass
.name
== "Int8" then
2191 else if mclass
.name
== "Byte" then
2192 return "unsigned char"
2193 else if mclass
.name
== "Int16" then
2195 else if mclass
.name
== "UInt16" then
2197 else if mclass
.name
== "Int32" then
2199 else if mclass
.name
== "UInt32" then
2201 else if mclass
.name
== "CString" then
2203 else if mclass
.name
== "NativeArray" then
2210 redef var is_c_primitive
is lazy
do return ctype
!= "val*"
2212 redef fun ctype_extern
: String
2214 if mclass
.kind
== extern_kind
then
2221 redef fun ctypename
: String
2223 if mclass
.name
== "Int" then
2225 else if mclass
.name
== "Bool" then
2227 else if mclass
.name
== "Char" then
2229 else if mclass
.name
== "Float" then
2231 else if mclass
.name
== "Int8" then
2233 else if mclass
.name
== "Byte" then
2235 else if mclass
.name
== "Int16" then
2237 else if mclass
.name
== "UInt16" then
2239 else if mclass
.name
== "Int32" then
2241 else if mclass
.name
== "UInt32" then
2243 else if mclass
.name
== "CString" then
2245 else if mclass
.name
== "NativeArray" then
2246 #return "{self.arguments.first.ctype}*"
2254 redef class MPropDef
2255 type VISITOR: AbstractCompilerVisitor
2258 redef class MMethodDef
2259 # Can the body be inlined?
2260 fun can_inline
(v
: VISITOR): Bool
2262 if is_abstract
then return true
2263 if constant_value
!= null then return true
2264 var modelbuilder
= v
.compiler
.modelbuilder
2265 var node
= modelbuilder
.mpropdef2node
(self)
2266 if node
isa APropdef then
2267 return node
.can_inline
2268 else if node
isa AClassdef then
2269 # Automatic free init is always inlined since it is empty or contains only attribtes assigments
2271 else if node
== null then
2278 # Inline the body in another visitor
2279 fun compile_inside_to_c
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
2281 var modelbuilder
= v
.compiler
.modelbuilder
2282 var val
= constant_value
2283 var node
= modelbuilder
.mpropdef2node
(self)
2287 var cn
= v
.class_name_string
(arguments
.first
)
2288 v
.current_node
= node
2289 v
.add
("PRINT_ERROR(\"Runtime error
: Abstract method
`%s` called on
`%s`\
", \"{mproperty.name.escape_to_c}\
", {cn});")
2294 if node
isa APropdef then
2295 var oldnode
= v
.current_node
2296 v
.current_node
= node
2297 self.compile_parameter_check
(v
, arguments
)
2298 node
.compile_to_c
(v
, self, arguments
)
2299 v
.current_node
= oldnode
2300 else if node
isa AClassdef then
2301 var oldnode
= v
.current_node
2302 v
.current_node
= node
2303 self.compile_parameter_check
(v
, arguments
)
2304 node
.compile_to_c
(v
, self, arguments
)
2305 v
.current_node
= oldnode
2306 else if val
!= null then
2307 v
.ret
(v
.value_instance
(val
))
2314 # Generate type checks in the C code to check covariant parameters
2315 fun compile_parameter_check
(v
: VISITOR, arguments
: Array[RuntimeVariable])
2317 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_covariance
.value
then return
2319 var msignature
= self.msignature
.as(not null)
2321 for i
in [0..msignature
.arity
[ do
2322 var mp
= msignature
.mparameters
[i
]
2323 # skip test for vararg since the array is instantiated with the correct polymorphic type
2324 if mp
.is_vararg
then continue
2326 # skip if the cast is not required
2327 var origmtype
= self.mproperty
.intro
.msignature
.mparameters
[i
].mtype
2328 if not origmtype
.need_anchor
then continue
2330 # get the parameter type
2331 var mtype
= mp
.mtype
2334 # note that v decides if and how to implements the cast
2335 v
.add
("/* Covariant cast for argument {i} ({mp.name}) {arguments[i+1].inspect} isa {mtype} */")
2336 v
.add_cast
(arguments
[i
+1], mtype
, "covariance")
2343 redef class APropdef
2344 fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
2346 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name} {mpropdef} at
{location.to_s}\\n\
");")
2347 debug
("Not yet implemented")
2350 fun can_inline
: Bool do return true
2353 redef class AMethPropdef
2354 redef fun compile_to_c
(v
, mpropdef
, arguments
)
2356 # Call the implicit super-init
2357 var auto_super_inits
= self.auto_super_inits
2358 if auto_super_inits
!= null then
2359 var args
= [arguments
.first
]
2360 for auto_super_init
in auto_super_inits
do
2361 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2363 for i
in [0..auto_super_init
.msignature
.arity
+1[ do
2364 args
.add
(arguments
[i
])
2366 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2367 v
.compile_callsite
(auto_super_init
, args
)
2370 if auto_super_call
then
2371 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
2374 # Try special compilation
2375 if mpropdef
.is_intern
then
2376 if compile_intern_to_c
(v
, mpropdef
, arguments
) then return
2378 if mpropdef
.is_extern
then
2379 if mpropdef
.mproperty
.is_init
then
2380 if compile_externinit_to_c
(v
, mpropdef
, arguments
) then return
2382 if compile_externmeth_to_c
(v
, mpropdef
, arguments
) then return
2386 # Compile block if any
2387 var n_block
= n_block
2388 if n_block
!= null then
2389 for i
in [0..mpropdef
.msignature
.arity
[ do
2390 var variable
= self.n_signature
.n_params
[i
].variable
.as(not null)
2391 v
.assign
(v
.variable
(variable
), arguments
[i
+1])
2399 var cn
= v
.class_name_string
(arguments
.first
)
2400 v
.add
("PRINT_ERROR(\"Runtime error
: uncompiled method
`%s` called on
`%s`. NOT YET IMPLEMENTED\
", \"{mpropdef.mproperty.name.escape_to_c}\
", {cn});")
2404 redef fun can_inline
2406 if self.auto_super_inits
!= null then return false
2407 var nblock
= self.n_block
2408 if nblock
== null then return true
2409 if (mpropdef
.mproperty
.name
== "==" or mpropdef
.mproperty
.name
== "!=") and mpropdef
.mclassdef
.mclass
.name
== "Object" then return true
2410 if nblock
isa ABlockExpr and nblock
.n_expr
.length
== 0 then return true
2414 fun compile_intern_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
2416 var pname
= mpropdef
.mproperty
.name
2417 var cname
= mpropdef
.mclassdef
.mclass
.name
2418 var ret
= mpropdef
.msignature
.return_mtype
2420 ret
= v
.resolve_for
(ret
, arguments
.first
)
2422 if pname
!= "==" and pname
!= "!=" then
2423 v
.adapt_signature
(mpropdef
, arguments
)
2424 v
.unbox_signature_extern
(mpropdef
, arguments
)
2426 if cname
== "Int" then
2427 if pname
== "output" then
2428 v
.add
("printf(\"%ld\\n\
", {arguments.first});")
2430 else if pname
== "object_id" then
2431 v
.ret
(arguments
.first
)
2433 else if pname
== "+" then
2434 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2436 else if pname
== "-" then
2437 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2439 else if pname
== "unary -" then
2440 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2442 else if pname
== "unary +" then
2445 else if pname
== "*" then
2446 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2448 else if pname
== "/" then
2449 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2451 else if pname
== "%" then
2452 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2454 else if pname
== "==" then
2455 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2457 else if pname
== "!=" then
2458 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2459 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2461 else if pname
== "<" then
2462 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2464 else if pname
== ">" then
2465 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2467 else if pname
== "<=" then
2468 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2470 else if pname
== ">=" then
2471 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2473 else if pname
== "to_i8" then
2474 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2476 else if pname
== "to_i16" then
2477 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2479 else if pname
== "to_u16" then
2480 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2482 else if pname
== "to_i32" then
2483 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2485 else if pname
== "to_u32" then
2486 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2488 else if pname
== "to_f" then
2489 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2491 else if pname
== "to_b" then
2492 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2494 else if pname
== "code_point" then
2495 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2497 else if pname
== "&" then
2498 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2500 else if pname
== "|" then
2501 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2503 else if pname
== ">>" then
2504 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2506 else if pname
== "<<" then
2507 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2510 else if cname
== "Char" then
2511 if pname
== "object_id" then
2512 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2514 else if pname
== "successor" then
2515 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2517 else if pname
== "predecessor" then
2518 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2520 else if pname
== "==" then
2521 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2523 else if pname
== "!=" then
2524 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2525 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2527 else if pname
== "<" then
2528 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2530 else if pname
== ">" then
2531 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2533 else if pname
== "<=" then
2534 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2536 else if pname
== ">=" then
2537 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2539 else if pname
== "to_i" then
2540 v
.ret
(v
.new_expr
("{arguments[0]}-'0'", ret
.as(not null)))
2542 else if pname
== "code_point" then
2543 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2546 else if cname
== "Byte" then
2547 if pname
== "output" then
2548 v
.add
("printf(\"%x\\n\
", {arguments.first});")
2550 else if pname
== "object_id" then
2551 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2553 else if pname
== "+" then
2554 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2556 else if pname
== "-" then
2557 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2559 else if pname
== "unary -" then
2560 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2562 else if pname
== "unary +" then
2565 else if pname
== "*" then
2566 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2568 else if pname
== "/" then
2569 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2571 else if pname
== "%" then
2572 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2574 else if pname
== "==" then
2575 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2577 else if pname
== "!=" then
2578 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2579 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2581 else if pname
== "<" then
2582 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2584 else if pname
== ">" then
2585 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2587 else if pname
== "<=" then
2588 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2590 else if pname
== ">=" then
2591 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2593 else if pname
== ">>" then
2594 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2596 else if pname
== "<<" then
2597 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2599 else if pname
== "&" then
2600 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2602 else if pname
== "to_i" then
2603 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2605 else if pname
== "to_f" then
2606 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2608 else if pname
== "to_i8" then
2609 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2611 else if pname
== "to_i16" then
2612 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2614 else if pname
== "to_u16" then
2615 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2617 else if pname
== "to_i32" then
2618 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2620 else if pname
== "to_u32" then
2621 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2623 else if pname
== "ascii" then
2624 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2627 else if cname
== "Bool" then
2628 if pname
== "output" then
2629 v
.add
("printf({arguments.first}?\"true\\n\
":\"false\\n\
");")
2631 else if pname
== "object_id" then
2632 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2634 else if pname
== "==" then
2635 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2637 else if pname
== "!=" then
2638 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2639 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2642 else if cname
== "Float" then
2643 if pname
== "output" then
2644 v
.add
("printf(\"%f\\n\
", {arguments.first});")
2646 else if pname
== "object_id" then
2647 v
.ret
(v
.new_expr
("(double){arguments.first}", ret
.as(not null)))
2649 else if pname
== "+" then
2650 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2652 else if pname
== "-" then
2653 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2655 else if pname
== "unary -" then
2656 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2658 else if pname
== "unary +" then
2661 else if pname
== "succ" then
2662 v
.ret
(v
.new_expr
("{arguments[0]}+1", ret
.as(not null)))
2664 else if pname
== "prec" then
2665 v
.ret
(v
.new_expr
("{arguments[0]}-1", ret
.as(not null)))
2667 else if pname
== "*" then
2668 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2670 else if pname
== "/" then
2671 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2673 else if pname
== "==" then
2674 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2676 else if pname
== "!=" then
2677 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2678 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2680 else if pname
== "<" then
2681 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2683 else if pname
== ">" then
2684 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2686 else if pname
== "<=" then
2687 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2689 else if pname
== ">=" then
2690 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2692 else if pname
== "to_i" then
2693 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2695 else if pname
== "to_b" then
2696 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2698 else if pname
== "to_i8" then
2699 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2701 else if pname
== "to_i16" then
2702 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2704 else if pname
== "to_u16" then
2705 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2707 else if pname
== "to_i32" then
2708 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2710 else if pname
== "to_u32" then
2711 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2714 else if cname
== "CString" then
2715 if pname
== "[]" then
2716 v
.ret
(v
.new_expr
("(unsigned char)((int){arguments[0]}[{arguments[1]}])", ret
.as(not null)))
2718 else if pname
== "[]=" then
2719 v
.add
("{arguments[0]}[{arguments[1]}]=(unsigned char){arguments[2]};")
2721 else if pname
== "copy_to" then
2722 v
.add
("memmove({arguments[1]}+{arguments[4]},{arguments[0]}+{arguments[3]},{arguments[2]});")
2724 else if pname
== "atoi" then
2725 v
.ret
(v
.new_expr
("atoi({arguments[0]});", ret
.as(not null)))
2727 else if pname
== "fast_cstring" then
2728 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2730 else if pname
== "==" then
2731 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2733 else if pname
== "!=" then
2734 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2735 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2737 else if pname
== "new" then
2738 var alloc
= v
.nit_alloc
(arguments
[1].to_s
, "CString")
2739 v
.ret
(v
.new_expr
("(char*){alloc}", ret
.as(not null)))
2741 else if pname
== "fetch_4_chars" then
2742 v
.ret
(v
.new_expr
("*((uint32_t*)({arguments[0]} + {arguments[1]}))", ret
.as(not null)))
2744 else if pname
== "fetch_4_hchars" then
2745 v
.ret
(v
.new_expr
("(uint32_t)be32toh(*((uint32_t*)({arguments[0]} + {arguments[1]})))", ret
.as(not null)))
2748 else if cname
== "NativeArray" then
2749 return v
.native_array_def
(pname
, ret
, arguments
)
2750 else if cname
== "Int8" then
2751 if pname
== "output" then
2752 v
.add
("printf(\"%\
"PRIi8 \"\\n\
", {arguments.first});")
2754 else if pname
== "object_id" then
2755 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2757 else if pname
== "+" then
2758 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2760 else if pname
== "-" then
2761 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2763 else if pname
== "unary -" then
2764 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2766 else if pname
== "unary +" then
2769 else if pname
== "*" then
2770 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2772 else if pname
== "/" then
2773 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2775 else if pname
== "%" then
2776 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2778 else if pname
== "<<" then
2779 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2781 else if pname
== ">>" then
2782 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2784 else if pname
== "==" then
2785 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2787 else if pname
== "!=" then
2788 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2789 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2791 else if pname
== "<" then
2792 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2794 else if pname
== ">" then
2795 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2797 else if pname
== "<=" then
2798 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2800 else if pname
== ">=" then
2801 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2803 else if pname
== "to_i" then
2804 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2806 else if pname
== "to_b" then
2807 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2809 else if pname
== "to_i16" then
2810 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2812 else if pname
== "to_u16" then
2813 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2815 else if pname
== "to_i32" then
2816 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2818 else if pname
== "to_u32" then
2819 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2821 else if pname
== "to_f" then
2822 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2824 else if pname
== "&" then
2825 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2827 else if pname
== "|" then
2828 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2830 else if pname
== "^" then
2831 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2833 else if pname
== "unary ~" then
2834 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2837 else if cname
== "Int16" then
2838 if pname
== "output" then
2839 v
.add
("printf(\"%\
"PRIi16 \"\\n\
", {arguments.first});")
2841 else if pname
== "object_id" then
2842 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2844 else if pname
== "+" then
2845 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2847 else if pname
== "-" then
2848 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2850 else if pname
== "unary -" then
2851 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2853 else if pname
== "unary +" then
2856 else if pname
== "*" then
2857 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2859 else if pname
== "/" then
2860 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2862 else if pname
== "%" then
2863 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2865 else if pname
== "<<" then
2866 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2868 else if pname
== ">>" then
2869 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2871 else if pname
== "==" then
2872 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2874 else if pname
== "!=" then
2875 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2876 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2878 else if pname
== "<" then
2879 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2881 else if pname
== ">" then
2882 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2884 else if pname
== "<=" then
2885 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2887 else if pname
== ">=" then
2888 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2890 else if pname
== "to_i" then
2891 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2893 else if pname
== "to_b" then
2894 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2896 else if pname
== "to_i8" then
2897 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2899 else if pname
== "to_u16" then
2900 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2902 else if pname
== "to_i32" then
2903 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2905 else if pname
== "to_u32" then
2906 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2908 else if pname
== "to_f" then
2909 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2911 else if pname
== "&" then
2912 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2914 else if pname
== "|" then
2915 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2917 else if pname
== "^" then
2918 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2920 else if pname
== "unary ~" then
2921 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2924 else if cname
== "UInt16" then
2925 if pname
== "output" then
2926 v
.add
("printf(\"%\
"PRIu16 \"\\n\
", {arguments.first});")
2928 else if pname
== "object_id" then
2929 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2931 else if pname
== "+" then
2932 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2934 else if pname
== "-" then
2935 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2937 else if pname
== "unary -" then
2938 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2940 else if pname
== "unary +" then
2943 else if pname
== "*" then
2944 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2946 else if pname
== "/" then
2947 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2949 else if pname
== "%" then
2950 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2952 else if pname
== "<<" then
2953 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2955 else if pname
== ">>" then
2956 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2958 else if pname
== "==" then
2959 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2961 else if pname
== "!=" then
2962 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2963 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2965 else if pname
== "<" then
2966 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2968 else if pname
== ">" then
2969 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2971 else if pname
== "<=" then
2972 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2974 else if pname
== ">=" then
2975 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2977 else if pname
== "to_i" then
2978 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2980 else if pname
== "to_b" then
2981 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2983 else if pname
== "to_i8" then
2984 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2986 else if pname
== "to_i16" then
2987 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2989 else if pname
== "to_i32" then
2990 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2992 else if pname
== "to_u32" then
2993 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2995 else if pname
== "to_f" then
2996 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2998 else if pname
== "&" then
2999 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
3001 else if pname
== "|" then
3002 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3004 else if pname
== "^" then
3005 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3007 else if pname
== "unary ~" then
3008 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3011 else if cname
== "Int32" then
3012 if pname
== "output" then
3013 v
.add
("printf(\"%\
"PRIi32 \"\\n\
", {arguments.first});")
3015 else if pname
== "object_id" then
3016 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3018 else if pname
== "+" then
3019 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
3021 else if pname
== "-" then
3022 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
3024 else if pname
== "unary -" then
3025 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
3027 else if pname
== "unary +" then
3030 else if pname
== "*" then
3031 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
3033 else if pname
== "/" then
3034 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
3036 else if pname
== "%" then
3037 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
3039 else if pname
== "<<" then
3040 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
3042 else if pname
== ">>" then
3043 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
3045 else if pname
== "==" then
3046 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3048 else if pname
== "!=" then
3049 var res
= v
.equal_test
(arguments
[0], arguments
[1])
3050 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
3052 else if pname
== "<" then
3053 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
3055 else if pname
== ">" then
3056 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
3058 else if pname
== "<=" then
3059 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
3061 else if pname
== ">=" then
3062 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
3064 else if pname
== "to_i" then
3065 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
3067 else if pname
== "to_b" then
3068 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
3070 else if pname
== "to_i8" then
3071 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
3073 else if pname
== "to_i16" then
3074 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
3076 else if pname
== "to_u16" then
3077 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
3079 else if pname
== "to_u32" then
3080 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
3082 else if pname
== "to_f" then
3083 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
3085 else if pname
== "&" then
3086 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
3088 else if pname
== "|" then
3089 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3091 else if pname
== "^" then
3092 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3094 else if pname
== "unary ~" then
3095 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3098 else if cname
== "UInt32" then
3099 if pname
== "output" then
3100 v
.add
("printf(\"%\
"PRIu32 \"\\n\
", {arguments.first});")
3102 else if pname
== "object_id" then
3103 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3105 else if pname
== "+" then
3106 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
3108 else if pname
== "-" then
3109 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
3111 else if pname
== "unary -" then
3112 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
3114 else if pname
== "unary +" then
3117 else if pname
== "*" then
3118 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
3120 else if pname
== "/" then
3121 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
3123 else if pname
== "%" then
3124 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
3126 else if pname
== "<<" then
3127 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
3129 else if pname
== ">>" then
3130 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
3132 else if pname
== "==" then
3133 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3135 else if pname
== "!=" then
3136 var res
= v
.equal_test
(arguments
[0], arguments
[1])
3137 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
3139 else if pname
== "<" then
3140 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
3142 else if pname
== ">" then
3143 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
3145 else if pname
== "<=" then
3146 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
3148 else if pname
== ">=" then
3149 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
3151 else if pname
== "to_i" then
3152 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
3154 else if pname
== "to_b" then
3155 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
3157 else if pname
== "to_i8" then
3158 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
3160 else if pname
== "to_i16" then
3161 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
3163 else if pname
== "to_u16" then
3164 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
3166 else if pname
== "to_i32" then
3167 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
3169 else if pname
== "to_f" then
3170 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
3172 else if pname
== "&" then
3173 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
3175 else if pname
== "|" then
3176 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3178 else if pname
== "^" then
3179 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3181 else if pname
== "unary ~" then
3182 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3186 if pname
== "exit" then
3187 v
.add
("exit((int){arguments[1]});")
3189 else if pname
== "sys" then
3190 v
.ret
(v
.new_expr
("glob_sys", ret
.as(not null)))
3192 else if pname
== "object_id" then
3193 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3195 else if pname
== "is_same_type" then
3196 v
.ret
(v
.is_same_type_test
(arguments
[0], arguments
[1]))
3198 else if pname
== "is_same_instance" then
3199 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3201 else if pname
== "output_class_name" then
3202 var nat
= v
.class_name_string
(arguments
.first
)
3203 v
.add
("printf(\"%s\\n\
", {nat});")
3205 else if pname
== "native_class_name" then
3206 var nat
= v
.class_name_string
(arguments
.first
)
3207 v
.ret
(v
.new_expr
("(char*){nat}", ret
.as(not null)))
3209 else if pname
== "force_garbage_collection" then
3210 v
.add
("nit_gcollect();")
3212 else if pname
== "native_argc" then
3213 v
.ret
(v
.new_expr
("glob_argc", ret
.as(not null)))
3215 else if pname
== "native_argv" then
3216 v
.ret
(v
.new_expr
("glob_argv[{arguments[1]}]", ret
.as(not null)))
3222 # Compile an extern method
3223 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3224 fun compile_externmeth_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3227 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3228 if at
!= null and at
.n_args
.length
== 1 then
3229 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3230 if externname
== null then return false
3234 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3235 var res
: nullable RuntimeVariable = null
3236 var ret
= mpropdef
.msignature
.return_mtype
3238 ret
= v
.resolve_for
(ret
, arguments
.first
)
3239 res
= v
.new_var_extern
(ret
)
3241 v
.adapt_signature
(mpropdef
, arguments
)
3242 v
.unbox_signature_extern
(mpropdef
, arguments
)
3245 v
.add
("{externname}({arguments.join(", ")});")
3247 v
.add
("{res} = {externname}({arguments.join(", ")});")
3248 res
= v
.box_extern
(res
, ret
.as(not null))
3254 # Compile an extern factory
3255 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3256 fun compile_externinit_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3259 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3261 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3262 if externname
== null then return false
3266 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3267 v
.adapt_signature
(mpropdef
, arguments
)
3268 v
.unbox_signature_extern
(mpropdef
, arguments
)
3269 var ret
= arguments
.first
.mtype
3270 var res
= v
.new_var_extern
(ret
)
3274 v
.add
("{res} = {externname}({arguments.join(", ")});")
3275 res
= v
.box_extern
(res
, ret
)
3281 redef class AAttrPropdef
3282 redef fun can_inline
: Bool do return not is_lazy
3284 redef fun compile_to_c
(v
, mpropdef
, arguments
)
3286 if mpropdef
== mreadpropdef
then
3287 assert arguments
.length
== 1
3288 var recv
= arguments
.first
3292 var ret
= self.mtype
3293 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3294 var guard
= self.mlazypropdef
.mproperty
3296 set
= v
.isset_attribute
(self.mpropdef
.mproperty
, recv
)
3298 set
= v
.read_attribute
(guard
, recv
)
3300 v
.add
("if(likely({set})) \{")
3301 res
= v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3304 var value
= evaluate_expr
(v
, recv
)
3306 v
.assign
(res
, value
)
3308 var true_v
= v
.bool_instance
(true)
3309 v
.write_attribute
(guard
, arguments
.first
, true_v
)
3313 res
= v
.read_attribute
(self.mpropdef
.mproperty
, arguments
.first
)
3315 v
.assign
(v
.frame
.returnvar
.as(not null), res
)
3316 else if mpropdef
== mwritepropdef
then
3317 assert arguments
.length
== 2
3318 var recv
= arguments
.first
3319 var arg
= arguments
[1]
3320 if is_optional
and v
.maybe_null
(arg
) then
3321 var value
= v
.new_var
(self.mpropdef
.static_mtype
.as(not null))
3322 v
.add
("if ({arg} == NULL) \{")
3323 v
.assign
(value
, evaluate_expr
(v
, recv
))
3325 v
.assign
(value
, arg
)
3329 v
.write_attribute
(self.mpropdef
.mproperty
, arguments
.first
, arg
)
3331 var ret
= self.mtype
3332 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3334 v
.write_attribute
(self.mlazypropdef
.mproperty
, arguments
.first
, v
.bool_instance
(true))
3342 fun init_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3344 if has_value
and not is_lazy
and not is_optional
and not n_expr
isa ANullExpr then evaluate_expr
(v
, recv
)
3347 # Evaluate, store and return the default value of the attribute
3348 private fun evaluate_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable): RuntimeVariable
3350 var oldnode
= v
.current_node
3351 v
.current_node
= self
3352 var old_frame
= v
.frame
3353 var frame
= new StaticFrame(v
, self.mreadpropdef
.as(not null), recv
.mcasttype
.undecorate
.as(MClassType), [recv
])
3357 var mtype
= self.mtype
3358 assert mtype
!= null
3360 var nexpr
= self.n_expr
3361 var nblock
= self.n_block
3362 if nexpr
!= null then
3363 value
= v
.expr
(nexpr
, mtype
)
3364 else if nblock
!= null then
3365 value
= v
.new_var
(mtype
)
3366 frame
.returnvar
= value
3367 frame
.returnlabel
= v
.get_name
("RET_LABEL")
3370 v
.add
("{frame.returnlabel.as(not null)}:(void)0;")
3376 v
.write_attribute
(self.mpropdef
.mproperty
, recv
, value
)
3379 v
.current_node
= oldnode
3384 fun check_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3386 var nexpr
= self.n_expr
3387 if nexpr
!= null then return
3389 var oldnode
= v
.current_node
3390 v
.current_node
= self
3391 var old_frame
= v
.frame
3392 var frame
= new StaticFrame(v
, self.mpropdef
.as(not null), recv
.mtype
.as(MClassType), [recv
])
3394 # Force read to check the initialization
3395 v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3397 v
.current_node
= oldnode
3401 redef class AClassdef
3402 private fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
3404 if mpropdef
.mproperty
.is_root_init
then
3405 assert arguments
.length
== 1
3406 if not mpropdef
.is_intro
then
3407 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
3417 # Try to compile self as an expression
3418 # Do not call this method directly, use `v.expr` instead
3419 private fun expr
(v
: AbstractCompilerVisitor): nullable RuntimeVariable
3421 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name}:{location.to_s}\\n\
");")
3422 var mtype
= self.mtype
3423 if mtype
== null then
3426 var res
= v
.new_var
(mtype
)
3427 v
.add
("/* {res} = NOT YET {class_name} */")
3432 # Try to compile self as a statement
3433 # Do not call this method directly, use `v.stmt` instead
3434 private fun stmt
(v
: AbstractCompilerVisitor)
3440 redef class ABlockExpr
3443 for e
in self.n_expr
do v
.stmt
(e
)
3447 var last
= self.n_expr
.last
3448 for e
in self.n_expr
do
3449 if e
== last
then break
3452 return v
.expr
(last
, null)
3456 redef class AVardeclExpr
3459 var variable
= self.variable
.as(not null)
3460 var ne
= self.n_expr
3462 var i
= v
.expr
(ne
, variable
.declared_type
)
3463 v
.assign
(v
.variable
(variable
), i
)
3468 redef class AVarExpr
3471 var res
= v
.variable
(self.variable
.as(not null))
3472 var mtype
= self.mtype
.as(not null)
3473 return v
.autoadapt
(res
, mtype
)
3477 redef class AVarAssignExpr
3480 var variable
= self.variable
.as(not null)
3481 var i
= v
.expr
(self.n_value
, variable
.declared_type
)
3482 v
.assign
(v
.variable
(variable
), i
)
3487 redef class AVarReassignExpr
3490 var variable
= self.variable
.as(not null)
3491 var vari
= v
.variable
(variable
)
3492 var value
= v
.expr
(self.n_value
, variable
.declared_type
)
3493 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [vari
, value
])
3495 v
.assign
(v
.variable
(variable
), res
)
3499 redef class ASelfExpr
3500 redef fun expr
(v
) do return v
.frame
.arguments
.first
3503 redef class AImplicitSelfExpr
3504 redef fun expr
(v
) do
3505 if not is_sys
then return super
3506 return v
.new_expr
("glob_sys", mtype
.as(not null))
3510 redef class AEscapeExpr
3511 redef fun stmt
(v
) do v
.add
("goto BREAK_{v.escapemark_name(self.escapemark)};")
3514 redef class AReturnExpr
3517 var nexpr
= self.n_expr
3518 if nexpr
!= null then
3519 var returnvar
= v
.frame
.returnvar
.as(not null)
3520 var i
= v
.expr
(nexpr
, returnvar
.mtype
)
3521 v
.assign
(returnvar
, i
)
3523 v
.add
("goto {v.frame.returnlabel.as(not null)};")
3527 redef class AAbortExpr
3528 redef fun stmt
(v
) do v
.add_abort
("Aborted")
3534 var cond
= v
.expr_bool
(self.n_expr
)
3535 v
.add
("if ({cond})\{")
3544 var res
= v
.new_var
(self.mtype
.as(not null))
3545 var cond
= v
.expr_bool
(self.n_expr
)
3546 v
.add
("if ({cond})\{")
3547 v
.assign
(res
, v
.expr
(self.n_then
.as(not null), null))
3549 v
.assign
(res
, v
.expr
(self.n_else
.as(not null), null))
3555 redef class AIfexprExpr
3558 var res
= v
.new_var
(self.mtype
.as(not null))
3559 var cond
= v
.expr_bool
(self.n_expr
)
3560 v
.add
("if ({cond})\{")
3561 v
.assign
(res
, v
.expr
(self.n_then
, null))
3563 v
.assign
(res
, v
.expr
(self.n_else
, null))
3572 if self.n_catch
!= null then
3574 v
.add
("struct catch_stack_t *catchStack = getCatchStack();")
3575 v
.add
("if(catchStack->currentSize == 0) \{")
3576 v
.add
(" catchStack->cursor = -1;")
3577 v
.add
(" catchStack->currentSize = 100;")
3578 v
.add
(" catchStack->envs = malloc(sizeof(jmp_buf)*100);")
3579 v
.add
("\} else if(catchStack->cursor == catchStack->currentSize - 1) \{")
3580 v
.add
(" catchStack->currentSize *= 2;")
3581 v
.add
(" catchStack->envs = realloc(catchStack->envs, sizeof(jmp_buf)*catchStack->currentSize);")
3583 v
.add
("catchStack->cursor += 1;")
3584 v
.add
("if(!setjmp(catchStack->envs[catchStack->cursor]))\{")
3585 v
.stmt
(self.n_block
)
3586 v
.add
("catchStack->cursor -= 1;")
3588 v
.add
("catchStack->cursor -= 1;")
3589 v
.stmt
(self.n_catch
)
3593 v
.stmt
(self.n_block
)
3595 v
.add_escape_label
(break_mark
)
3599 redef class AWhileExpr
3603 var cond
= v
.expr_bool
(self.n_expr
)
3604 v
.add
("if (!{cond}) break;")
3605 v
.stmt
(self.n_block
)
3606 v
.add_escape_label
(continue_mark
)
3608 v
.add_escape_label
(break_mark
)
3612 redef class ALoopExpr
3616 v
.stmt
(self.n_block
)
3617 v
.add_escape_label
(continue_mark
)
3619 v
.add_escape_label
(break_mark
)
3623 redef class AForExpr
3626 for g
in n_groups
do
3627 var cl
= v
.expr
(g
.n_expr
, null)
3628 var it_meth
= g
.method_iterator
3629 assert it_meth
!= null
3630 var it
= v
.compile_callsite
(it_meth
, [cl
])
3635 for g
in n_groups
do
3637 var isok_meth
= g
.method_is_ok
3638 assert isok_meth
!= null
3639 var ok
= v
.compile_callsite
(isok_meth
, [it
])
3641 v
.add
("if(!{ok}) break;")
3642 if g
.variables
.length
== 1 then
3643 var item_meth
= g
.method_item
3644 assert item_meth
!= null
3645 var i
= v
.compile_callsite
(item_meth
, [it
])
3647 v
.assign
(v
.variable
(g
.variables
.first
), i
)
3648 else if g
.variables
.length
== 2 then
3649 var key_meth
= g
.method_key
3650 assert key_meth
!= null
3651 var i
= v
.compile_callsite
(key_meth
, [it
])
3653 v
.assign
(v
.variable
(g
.variables
[0]), i
)
3654 var item_meth
= g
.method_item
3655 assert item_meth
!= null
3656 i
= v
.compile_callsite
(item_meth
, [it
])
3658 v
.assign
(v
.variable
(g
.variables
[1]), i
)
3663 v
.stmt
(self.n_block
)
3664 v
.add_escape_label
(continue_mark
)
3665 for g
in n_groups
do
3666 var next_meth
= g
.method_next
3667 assert next_meth
!= null
3668 v
.compile_callsite
(next_meth
, [g
.it
])
3671 v
.add_escape_label
(break_mark
)
3673 for g
in n_groups
do
3674 var method_finish
= g
.method_finish
3675 if method_finish
!= null then
3676 # TODO: Find a way to call this also in long escape (e.g. return)
3677 v
.compile_callsite
(method_finish
, [g
.it
])
3683 redef class AForGroup
3684 # C variable representing the iterator
3685 private var it
: RuntimeVariable is noinit
3688 redef class AAssertExpr
3691 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return
3693 var cond
= v
.expr_bool
(self.n_expr
)
3694 v
.add
("if (unlikely(!{cond})) \{")
3701 v
.add_abort
("Assert '{nid.text}' failed")
3703 v
.add_abort
("Assert failed")
3708 # Explain assert if it fails
3709 private fun explain_assert
(v
: AbstractCompilerVisitor)
3711 var explain_assert_str
= explain_assert_str
3712 if explain_assert_str
== null then return
3714 var nas
= v
.compiler
.modelbuilder
.model
.get_mclasses_by_name
("NativeArray")
3715 if nas
== null then return
3717 nas
= v
.compiler
.modelbuilder
.model
.get_mclasses_by_name
("Array")
3718 if nas
== null or nas
.is_empty
then return
3720 var expr
= explain_assert_str
.expr
(v
)
3721 if expr
== null then return
3723 var cstr
= v
.send
(v
.get_property
("to_cstring", expr
.mtype
), [expr
])
3724 if cstr
== null then return
3726 v
.add
"PRINT_ERROR(\"Runtime assert: %s\\n\
", {cstr});"
3733 var res
= v
.new_var
(self.mtype
.as(not null))
3734 var i1
= v
.expr_bool
(self.n_expr
)
3735 v
.add
("if ({i1}) \{")
3738 var i2
= v
.expr_bool
(self.n_expr2
)
3739 v
.add
("{res} = {i2};")
3745 redef class AImpliesExpr
3748 var res
= v
.new_var
(self.mtype
.as(not null))
3749 var i1
= v
.expr_bool
(self.n_expr
)
3750 v
.add
("if (!{i1}) \{")
3753 var i2
= v
.expr_bool
(self.n_expr2
)
3754 v
.add
("{res} = {i2};")
3760 redef class AAndExpr
3763 var res
= v
.new_var
(self.mtype
.as(not null))
3764 var i1
= v
.expr_bool
(self.n_expr
)
3765 v
.add
("if (!{i1}) \{")
3768 var i2
= v
.expr_bool
(self.n_expr2
)
3769 v
.add
("{res} = {i2};")
3775 redef class ANotExpr
3778 var cond
= v
.expr_bool
(self.n_expr
)
3779 return v
.new_expr
("!{cond}", self.mtype
.as(not null))
3783 redef class AOrElseExpr
3786 var res
= v
.new_var
(self.mtype
.as(not null))
3787 var i1
= v
.expr
(self.n_expr
, null)
3789 if not v
.maybe_null
(i1
) then return i1
3791 v
.add
("if ({i1}!=NULL) \{")
3794 var i2
= v
.expr
(self.n_expr2
, null)
3801 redef class AIntegerExpr
3802 redef fun expr
(v
) do
3803 if value
isa Int then return v
.int_instance
(value
.as(Int))
3804 if value
isa Byte then return v
.byte_instance
(value
.as(Byte))
3805 if value
isa Int8 then return v
.int8_instance
(value
.as(Int8))
3806 if value
isa Int16 then return v
.int16_instance
(value
.as(Int16))
3807 if value
isa UInt16 then return v
.uint16_instance
(value
.as(UInt16))
3808 if value
isa Int32 then return v
.int32_instance
(value
.as(Int32))
3809 if value
isa UInt32 then return v
.uint32_instance
(value
.as(UInt32))
3810 # Should never happen
3815 redef class AFloatExpr
3816 redef fun expr
(v
) do return v
.float_instance
("{self.n_float.text}") # FIXME use value, not n_float
3819 redef class ACharExpr
3820 redef fun expr
(v
) do
3821 if is_code_point
then
3822 return v
.int_instance
(value
.as(not null).code_point
)
3824 return v
.char_instance
(self.value
.as(not null))
3828 redef class AArrayExpr
3831 var mtype
= self.element_mtype
.as(not null)
3832 var array
= new Array[RuntimeVariable]
3833 var res
= v
.array_instance
(array
, mtype
)
3835 var old_comprehension
= v
.frame
.comprehension
3836 v
.frame
.comprehension
= res
3837 for nexpr
in self.n_exprs
do
3840 v
.frame
.comprehension
= old_comprehension
3846 redef class AugmentedStringFormExpr
3847 # Factorize the making of a `Regex` object from a literal prefixed string
3848 protected fun make_re
(v
: AbstractCompilerVisitor, rs
: RuntimeVariable): nullable RuntimeVariable do
3851 var res
= v
.compile_callsite
(re
, [rs
])
3853 print
"Cannot call property `to_re` on {self}"
3856 for i
in suffix
.chars
do
3858 var ign
= ignore_case
3860 v
.compile_callsite
(ign
, [res
, v
.bool_instance
(true)])
3866 v
.compile_callsite
(nl
, [res
, v
.bool_instance
(true)])
3872 v
.compile_callsite
(ext
, [res
, v
.bool_instance
(false)])
3875 # Should not happen, this needs to be updated
3876 # along with the addition of new suffixes
3883 redef class AStringFormExpr
3884 redef fun expr
(v
) do return v
.string_instance
(value
)
3887 redef class AStringExpr
3888 redef fun expr
(v
) do
3889 var s
= v
.string_instance
(value
)
3890 if is_string
then return s
3891 if is_bytestring
then
3892 var ns
= v
.c_string_instance
(bytes
.items
, bytes
.length
)
3893 var ln
= v
.int_instance
(bytes
.length
)
3894 var cs
= to_bytes_with_copy
3896 var res
= v
.compile_callsite
(cs
, [ns
, ln
])
3900 var res
= make_re
(v
, s
)
3904 print
"Unimplemented prefix or suffix for {self}"
3911 redef class ASuperstringExpr
3914 var type_string
= v
.mmodule
.string_type
3916 # Collect elements of the superstring
3917 var array
= new Array[AExpr]
3918 for ne
in self.n_exprs
do
3919 # Drop literal empty string.
3920 # They appears in things like "{a}" that is ["", a, ""]
3921 if ne
isa AStringFormExpr and ne
.value
== "" then continue # skip empty sub-strings
3925 # Store the allocated native array in a static variable
3927 var varonce
= v
.get_name
("varonce")
3928 v
.add
("if (unlikely({varonce}==NULL)) \{")
3930 # The native array that will contains the elements to_s-ized.
3931 # For fast concatenation.
3932 var a
= v
.native_array_instance
(type_string
, v
.int_instance
(array
.length
))
3934 v
.add_decl
("static {a.mtype.ctype} {varonce};")
3936 # Pre-fill the array with the literal string parts.
3937 # So they do not need to be filled again when reused
3938 for i
in [0..array
.length
[ do
3940 if not ne
isa AStringFormExpr then continue
3941 var e
= v
.expr
(ne
, null)
3942 v
.native_array_set
(a
, i
, e
)
3946 # Take the native-array from the store.
3947 # The point is to prevent that some recursive execution use (and corrupt) the same native array
3948 # WARNING: not thread safe! (FIXME?)
3949 v
.add
("{a} = {varonce};")
3950 v
.add
("{varonce} = NULL;")
3953 # Stringify the elements and put them in the native array
3954 var to_s_method
= v
.get_property
("to_s", v
.object_type
)
3955 for i
in [0..array
.length
[ do
3957 if ne
isa AStringFormExpr then continue
3958 var e
= v
.expr
(ne
, null)
3959 # Skip the `to_s` if the element is already a String
3960 if not e
.mcasttype
.is_subtype
(v
.compiler
.mainmodule
, null, type_string
) then
3961 e
= v
.send
(to_s_method
, [e
]).as(not null)
3963 v
.native_array_set
(a
, i
, e
)
3966 # Fast join the C string to get the result
3967 var res
= v
.send
(v
.get_property
("native_to_s", a
.mtype
), [a
])
3970 if is_re
then res
= make_re
(v
, res
)
3972 # We finish to work with the native array,
3973 # so store it so that it can be reused
3974 v
.add
("{varonce} = {a};")
3980 redef class ACrangeExpr
3983 var i1
= v
.expr
(self.n_expr
, null)
3984 var i2
= v
.expr
(self.n_expr2
, null)
3985 var mtype
= self.mtype
.as(MClassType)
3986 var res
= v
.init_instance
(mtype
)
3987 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
3992 redef class AOrangeExpr
3995 var i1
= v
.expr
(self.n_expr
, null)
3996 var i2
= v
.expr
(self.n_expr2
, null)
3997 var mtype
= self.mtype
.as(MClassType)
3998 var res
= v
.init_instance
(mtype
)
3999 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
4004 redef class ATrueExpr
4005 redef fun expr
(v
) do return v
.bool_instance
(true)
4008 redef class AFalseExpr
4009 redef fun expr
(v
) do return v
.bool_instance
(false)
4012 redef class ANullExpr
4013 redef fun expr
(v
) do return v
.null_instance
4016 redef class AIsaExpr
4019 var i
= v
.expr
(self.n_expr
, null)
4020 var cast_type
= self.cast_type
4021 if cast_type
== null then return null # no-no on broken node
4022 return v
.type_test
(i
, cast_type
, "isa")
4026 redef class AAsCastExpr
4029 var i
= v
.expr
(self.n_expr
, null)
4030 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
4032 v
.add_cast
(i
, self.mtype
.as(not null), "as")
4037 redef class AAsNotnullExpr
4040 var i
= v
.expr
(self.n_expr
, null)
4041 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
4043 if not v
.maybe_null
(i
) then return i
4045 v
.add
("if (unlikely({i} == NULL)) \{")
4046 v
.add_abort
("Cast failed")
4052 redef class AParExpr
4053 redef fun expr
(v
) do return v
.expr
(self.n_expr
, null)
4056 redef class AOnceExpr
4059 var mtype
= self.mtype
.as(not null)
4060 var name
= v
.get_name
("varonce")
4061 var guard
= v
.get_name
(name
+ "_guard")
4062 v
.add_decl
("static {mtype.ctype} {name};")
4063 v
.add_decl
("static int {guard};")
4064 var res
= v
.new_var
(mtype
)
4065 v
.add
("if (likely({guard})) \{")
4066 v
.add
("{res} = {name};")
4068 var i
= v
.expr
(self.n_expr
, mtype
)
4069 v
.add
("{res} = {i};")
4070 v
.add
("{name} = {res};")
4071 v
.add
("{guard} = 1;")
4077 redef class ASendExpr
4080 var recv
= v
.expr
(self.n_expr
, null)
4081 var callsite
= self.callsite
.as(not null)
4082 if callsite
.is_broken
then return null
4083 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
4084 return v
.compile_callsite
(callsite
, args
)
4088 redef class ASendReassignFormExpr
4091 var recv
= v
.expr
(self.n_expr
, null)
4092 var callsite
= self.callsite
.as(not null)
4093 if callsite
.is_broken
then return
4094 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
4096 var value
= v
.expr
(self.n_value
, null)
4098 var left
= v
.compile_callsite
(callsite
, args
)
4101 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [left
, value
])
4105 v
.compile_callsite
(self.write_callsite
.as(not null), args
)
4109 redef class ASuperExpr
4112 var frame
= v
.frame
.as(not null)
4113 var recv
= frame
.arguments
.first
4115 var callsite
= self.callsite
4116 if callsite
!= null then
4117 if callsite
.is_broken
then return null
4120 if self.n_args
.n_exprs
.is_empty
then
4121 # Add automatic arguments for the super init call
4123 for i
in [0..callsite
.msignature
.arity
[ do
4124 args
.add
(frame
.arguments
[i
+1])
4127 args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
4131 var res
= v
.compile_callsite
(callsite
, args
)
4135 var mpropdef
= self.mpropdef
.as(not null)
4138 if self.n_args
.n_exprs
.is_empty
then
4139 args
= frame
.arguments
4141 args
= v
.varargize
(mpropdef
, signaturemap
, recv
, self.n_args
.n_exprs
)
4144 # Standard call-next-method
4145 return v
.supercall
(mpropdef
, recv
.mtype
.as(MClassType), args
)
4149 redef class ANewExpr
4152 var mtype
= self.recvtype
4153 assert mtype
!= null
4155 if mtype
.mclass
.name
== "NativeArray" then
4156 assert self.n_args
.n_exprs
.length
== 1
4157 var l
= v
.expr
(self.n_args
.n_exprs
.first
, null)
4158 assert mtype
isa MGenericType
4159 var elttype
= mtype
.arguments
.first
4160 return v
.native_array_instance
(elttype
, l
)
4163 var callsite
= self.callsite
4164 if callsite
== null then return v
.init_instance_or_extern
(mtype
)
4165 if callsite
.is_broken
then return null
4168 # new factories are badly implemented.
4169 # They assume a stub temporary receiver exists.
4170 # This temporary receiver is required because it
4171 # currently holds the method and the formal types.
4173 # However, this object could be reused if the formal types are the same.
4174 # Therefore, the following code will `once` it in these case
4175 if callsite
.mproperty
.is_new
and not mtype
.need_anchor
then
4176 var name
= v
.get_name
("varoncenew")
4177 var guard
= v
.get_name
(name
+ "_guard")
4178 v
.add_decl
("static {mtype.ctype} {name};")
4179 v
.add_decl
("static int {guard};")
4180 recv
= v
.new_var
(mtype
)
4181 v
.add
("if (likely({guard})) \{")
4182 v
.add
("{recv} = {name};")
4184 var i
= v
.init_instance_or_extern
(mtype
)
4185 v
.add
("{recv} = {i};")
4186 v
.add
("{name} = {recv};")
4187 v
.add
("{guard} = 1;")
4190 recv
= v
.init_instance_or_extern
(mtype
)
4193 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
4194 var res2
= v
.compile_callsite
(callsite
, args
)
4195 if res2
!= null then
4196 #self.debug("got {res2} from {mproperty}. drop {recv}")
4203 redef class AAttrExpr
4206 var recv
= v
.expr
(self.n_expr
, null)
4207 var mproperty
= self.mproperty
.as(not null)
4208 return v
.read_attribute
(mproperty
, recv
)
4212 redef class AAttrAssignExpr
4215 var recv
= v
.expr
(self.n_expr
, null)
4216 var i
= v
.expr
(self.n_value
, null)
4217 var mproperty
= self.mproperty
.as(not null)
4218 v
.write_attribute
(mproperty
, recv
, i
)
4223 redef class AAttrReassignExpr
4226 var recv
= v
.expr
(self.n_expr
, null)
4227 var value
= v
.expr
(self.n_value
, null)
4228 var mproperty
= self.mproperty
.as(not null)
4229 var attr
= v
.read_attribute
(mproperty
, recv
)
4230 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [attr
, value
])
4232 v
.write_attribute
(mproperty
, recv
, res
)
4236 redef class AIssetAttrExpr
4239 var recv
= v
.expr
(self.n_expr
, null)
4240 var mproperty
= self.mproperty
.as(not null)
4241 return v
.isset_attribute
(mproperty
, recv
)
4245 redef class AVarargExpr
4248 return v
.expr
(self.n_expr
, null)
4252 redef class ANamedargExpr
4255 return v
.expr
(self.n_expr
, null)
4259 redef class ADebugTypeExpr
4268 redef class Array[E
]
4269 # Return a new `Array` with the elements only contened in self and not in `o`
4270 fun -(o
: Array[E
]): Array[E
] do
4271 var res
= new Array[E
]
4272 for e
in self do if not o
.has
(e
) then res
.add
(e
)
4278 # All `MProperty` associated to all `MClassDef` of `mclass`
4279 fun properties
(mclass
: MClass): Set[MProperty] do
4280 if not self.properties_cache
.has_key
(mclass
) then
4281 var properties
= new HashSet[MProperty]
4282 var parents
= new Array[MClass]
4283 if self.flatten_mclass_hierarchy
.has
(mclass
) then
4284 parents
.add_all
(mclass
.in_hierarchy
(self).direct_greaters
)
4286 for parent
in parents
do
4287 properties
.add_all
(self.properties
(parent
))
4289 for mclassdef
in mclass
.mclassdefs
do
4290 if not self.in_importation
<= mclassdef
.mmodule
then continue
4291 for mprop
in mclassdef
.intro_mproperties
do
4292 properties
.add
(mprop
)
4295 self.properties_cache
[mclass
] = properties
4297 return properties_cache
[mclass
]
4299 private var properties_cache
: Map[MClass, Set[MProperty]] = new HashMap[MClass, Set[MProperty]]
4301 # Write FFI and nitni results to file
4302 fun finalize_ffi
(c
: AbstractCompiler) do end
4304 # Give requided addinional system libraries (as given to LD_LIBS)
4305 # Note: can return null instead of an empty set
4306 fun collect_linker_libs
: nullable Array[String] do return null
4309 # Create a tool context to handle options and paths
4310 var toolcontext
= new ToolContext
4312 toolcontext
.tooldescription
= "Usage: nitc [OPTION]... file.nit...\nCompiles Nit programs."
4314 # We do not add other options, so process them now!
4315 toolcontext
.process_options
(args
)
4317 # We need a model to collect stufs
4318 var model
= new Model
4319 # An a model builder to parse files
4320 var modelbuilder
= new ModelBuilder(model
, toolcontext
)
4322 var arguments
= toolcontext
.option_context
.rest
4323 if toolcontext
.opt_run
.value
then
4324 # When --run, only the first is the program, the rest is the run arguments
4325 arguments
= [toolcontext
.option_context
.rest
.shift
]
4327 if arguments
.length
> 1 and toolcontext
.opt_output
.value
!= null then
4328 print
"Option Error: --output needs a single source file. Do you prefer --dir?"
4332 # Here we load an process all modules passed on the command line
4333 var mmodules
= modelbuilder
.parse
(arguments
)
4335 if mmodules
.is_empty
then toolcontext
.quit
4337 modelbuilder
.run_phases
4339 for mmodule
in mmodules
do
4340 toolcontext
.info
("*** PROCESS {mmodule} ***", 1)
4342 toolcontext
.run_global_phases
(ms
)