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 $(error "pkg-config: package {{{p}}} is not found.")
527 # Compile each required extern body into a specific .o
528 var java_files
= new Array[ExternFile]
529 for f
in compiler
.extern_bodies
do
530 var o
= f
.makefile_rule_name
531 var ff
= f
.filename
.basename
532 makefile
.write
("{o}: {ff}\n")
533 makefile
.write
("\t{f.makefile_rule_content}\n\n")
534 dep_rules
.add
(f
.makefile_rule_name
)
536 if f
.compiles_to_o_file
then ofiles
.add
(o
)
537 if f
.add_to_jar
then java_files
.add
(f
)
540 if not java_files
.is_empty
then
541 var jar_file
= "{outpath}.jar"
543 var class_files_array
= new Array[String]
544 for f
in java_files
do class_files_array
.add
(f
.makefile_rule_name
)
545 var class_files
= class_files_array
.join
(" ")
547 makefile
.write
("{jar_file}: {class_files}\n")
548 makefile
.write
("\tjar cf {jar_file} {class_files}\n\n")
549 dep_rules
.add jar_file
554 if not pkgconfigs
.is_empty
then
555 pkg
= "`pkg-config --libs {pkgconfigs.join(" ")}`"
557 makefile
.write
("{outpath}: {dep_rules.join(" ")}\n\t$(CC) $(LDFLAGS) -o {outpath.escape_to_sh} {ofiles.join(" ")} $(LDLIBS) {pkg}\n\n")
559 makefile
.write
("clean:\n\trm {ofiles.join(" ")} 2>/dev/null\n")
560 if outpath
!= real_outpath
then
561 makefile
.write
("\trm -- {outpath.escape_to_sh} 2>/dev/null\n")
564 self.toolcontext
.info
("Generated makefile: {makepath}", 2)
566 makepath
.file_copy_to
"{compile_dir}/Makefile"
569 # The C code is generated, compile it to an executable
570 fun compile_c_code
(compile_dir
: String)
572 var makename
= makefile_name
574 var makeflags
= self.toolcontext
.opt_make_flags
.value
575 if makeflags
== null then makeflags
= ""
577 var command
= "make -B -C {compile_dir} -f {makename} -j 4 {makeflags}"
578 self.toolcontext
.info
(command
, 2)
581 if self.toolcontext
.verbose_level
>= 3 then
582 res
= sys
.system
("{command} 2>&1")
583 else if is_windows
then
584 res
= sys
.system
("{command} 2>&1 >nul")
586 res
= sys
.system
("{command} 2>&1 >/dev/null")
589 toolcontext
.error
(null, "Compilation Error: `make` failed with error code: {res}. The command was `{command}`.")
594 # Singleton that store the knowledge about the compilation process
595 abstract class AbstractCompiler
596 type VISITOR: AbstractCompilerVisitor
598 # Table corresponding c_names to nit names (methods)
599 var names
= new HashMap[String, String]
601 # The main module of the program currently compiled
602 # Is assigned during the separate compilation
603 var mainmodule
: MModule is writable
605 # The real main module of the program
606 var realmainmodule
: MModule is noinit
608 # The modelbuilder used to know the model and the AST
609 var modelbuilder
: ModelBuilder is protected writable
611 # The associated toolchain
613 # Set by `modelbuilder.write_and_make` and permit sub-routines to access the current toolchain if required.
614 var toolchain
: Toolchain is noinit
616 # Is hardening asked? (see --hardening)
617 fun hardening
: Bool do return self.modelbuilder
.toolcontext
.opt_hardening
.value
619 # The targeted specific platform
620 var target_platform
: Platform is noinit
624 self.realmainmodule
= mainmodule
625 target_platform
= mainmodule
.target_platform
or else new Platform
628 # Do the full code generation of the program `mainmodule`
629 # It is the main method usually called after the instantiation
630 fun do_compilation
is abstract
632 # Force the creation of a new file
633 # The point is to avoid contamination between must-be-compiled-separately files
634 fun new_file
(name
: String): CodeFile
636 if modelbuilder
.toolcontext
.opt_group_c_files
.value
then
637 if self.files
.is_empty
then
638 var f
= new CodeFile(mainmodule
.c_name
)
641 return self.files
.first
643 var f
= new CodeFile(name
)
648 # The list of all associated files
649 # Used to generate .c files
650 var files
= new Array[CodeFile]
652 # Initialize a visitor specific for a compiler engine
653 fun new_visitor
: VISITOR is abstract
655 # Where global declaration are stored (the main .h)
656 var header
: CodeWriter is writable, noinit
658 # Additionnal linker script for `ld`.
659 # Mainly used to do specific link-time symbol resolution
660 var linker_script
= new Array[String]
662 # Provide a declaration that can be requested (before or latter) by a visitor
663 fun provide_declaration
(key
: String, s
: String)
665 if self.provided_declarations
.has_key
(key
) then
666 assert self.provided_declarations
[key
] == s
668 self.provided_declarations
[key
] = s
671 private var provided_declarations
= new HashMap[String, String]
673 private var requirers_of_declarations
= new HashMap[String, ANode]
675 # Builds the .c and .h files to be used when generating a Stack Trace
676 # Binds the generated C function names to Nit function names
677 fun build_c_to_nit_bindings
679 var compile_dir
= toolchain
.compile_dir
681 var stream
= new FileWriter.open
("{compile_dir}/c_functions_hash.c")
682 stream
.write
("#include <string.h>\n")
683 stream
.write
("#include <stdlib.h>\n")
684 stream
.write
("#include \"c_functions_hash
.h\
"\n")
685 stream
.write
("typedef struct C_Nit_Names\{char* name; char* nit_name;\}C_Nit_Names;\n")
686 stream
.write
("const char* get_nit_name(register const char* procproc, register unsigned int len)\{\n")
687 stream
.write
("char* procname = malloc(len+1);")
688 stream
.write
("memcpy(procname, procproc, len);")
689 stream
.write
("procname[len] = '\\0';")
690 stream
.write
("static const C_Nit_Names map[{names.length}] = \{\n")
691 for i
in names
.keys
do
693 stream.write(i.escape_to_c)
694 stream.write("\
",\"")
695 stream.write(names[i].escape_to_c)
696 stream.write("\
"\},\n")
698 stream
.write
("\};\n")
699 stream
.write
("int i;")
700 stream
.write
("for(i = 0; i < {names.length}; i++)\{")
701 stream
.write
("if(strcmp(procname,map[i].name) == 0)\{")
702 stream
.write
("free(procname);")
703 stream
.write
("return map[i].nit_name;")
706 stream
.write
("free(procname);")
707 stream
.write
("return NULL;")
711 stream
= new FileWriter.open
("{compile_dir}/c_functions_hash.h")
712 stream
.write
("const char* get_nit_name(register const char* procname, register unsigned int len);\n")
715 extern_bodies
.add
(new ExternCFile("{compile_dir}/c_functions_hash.c", ""))
719 # This method call compile_header_strucs method that has to be refined
720 fun compile_header
do
721 self.header
.add_decl
("#include <stdlib.h>")
722 self.header
.add_decl
("#include <stdio.h>")
723 self.header
.add_decl
("#include <string.h>")
725 self.header
.add_decl
("#include <setjmp.h>\n")
726 self.header
.add_decl
("#include <sys/types.h>\n")
727 self.header
.add_decl
("#include <unistd.h>\n")
728 self.header
.add_decl
("#include <stdint.h>\n")
729 self.header
.add_decl
("#ifdef __linux__")
730 self.header
.add_decl
(" #include <endian.h>")
731 self.header
.add_decl
("#endif")
732 self.header
.add_decl
("#include <inttypes.h>\n")
733 self.header
.add_decl
("#include \"gc_chooser
.h\
"")
734 if modelbuilder
.toolcontext
.opt_trace
.value
then self.header
.add_decl
("#include \"traces
.h\
"")
735 self.header
.add_decl
("#ifdef __APPLE__")
736 self.header
.add_decl
(" #include <TargetConditionals.h>")
737 self.header
.add_decl
(" #include <syslog.h>")
738 self.header
.add_decl
(" #include <libkern/OSByteOrder.h>")
739 self.header
.add_decl
(" #define be32toh(x) OSSwapBigToHostInt32(x)")
740 self.header
.add_decl
("#endif")
741 self.header
.add_decl
("#ifdef _WIN32")
742 self.header
.add_decl
(" #define be32toh(val) _byteswap_ulong(val)")
743 self.header
.add_decl
("#endif")
744 self.header
.add_decl
("#ifdef ANDROID")
745 self.header
.add_decl
(" #ifndef be32toh")
746 self.header
.add_decl
(" #define be32toh(val) betoh32(val)")
747 self.header
.add_decl
(" #endif")
748 self.header
.add_decl
(" #include <android/log.h>")
749 self.header
.add_decl
(" #define PRINT_ERROR(...) (void)__android_log_print(ANDROID_LOG_WARN, \"Nit\
", __VA_ARGS__)")
750 self.header
.add_decl
("#elif TARGET_OS_IPHONE")
751 self.header
.add_decl
(" #define PRINT_ERROR(...) syslog(LOG_ERR, __VA_ARGS__)")
752 self.header
.add_decl
("#else")
753 self.header
.add_decl
(" #define PRINT_ERROR(...) fprintf(stderr, __VA_ARGS__)")
754 self.header
.add_decl
("#endif")
756 compile_header_structs
757 compile_nitni_structs
760 var gccd_disable
= modelbuilder
.toolcontext
.opt_no_gcc_directive
.value
761 if gccd_disable
.has
("noreturn") or gccd_disable
.has
("all") then
762 # Signal handler function prototype
763 self.header
.add_decl
("void fatal_exit(int);")
765 self.header
.add_decl
("void fatal_exit(int) __attribute__ ((noreturn));")
768 if gccd_disable
.has
("likely") or gccd_disable
.has
("all") then
769 self.header
.add_decl
("#define likely(x) (x)")
770 self.header
.add_decl
("#define unlikely(x) (x)")
771 else if gccd_disable
.has
("correct-likely") then
772 # invert the `likely` definition
773 # Used by masochists to bench the worst case
774 self.header
.add_decl
("#define likely(x) __builtin_expect((x),0)")
775 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),1)")
777 self.header
.add_decl
("#define likely(x) __builtin_expect((x),1)")
778 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),0)")
781 # Global variable used by intern methods
782 self.header
.add_decl
("extern int glob_argc;")
783 self.header
.add_decl
("extern char **glob_argv;")
784 self.header
.add_decl
("extern val *glob_sys;")
787 # Stack stocking environment for longjumps
788 protected fun compile_catch_stack
do
789 self.header
.add_decl
"""
790 struct catch_stack_t {
795 extern struct catch_stack_t *getCatchStack();
799 # Declaration of structures for live Nit types
800 protected fun compile_header_structs
is abstract
802 # Declaration of structures for nitni undelying the FFI
803 protected fun compile_nitni_structs
805 self.header
.add_decl
"""
806 /* Native reference to Nit objects */
807 /* This structure is used to represent every Nit type in extern methods and custom C code. */
809 struct nitni_ref *next,
810 *prev; /* adjacent global references in global list */
811 int count; /* number of time this global reference has been marked */
814 /* List of global references from C code to Nit objects */
815 /* Instanciated empty at init of Nit system and filled explicitly by user in C code */
816 struct nitni_global_ref_list_t {
817 struct nitni_ref *head, *tail;
819 extern struct nitni_global_ref_list_t *nitni_global_ref_list;
821 /* Initializer of global reference list */
822 extern void nitni_global_ref_list_init();
824 /* Intern function to add a global reference to the list */
825 extern void nitni_global_ref_add( struct nitni_ref *ref );
827 /* Intern function to remove a global reference from the list */
828 extern void nitni_global_ref_remove( struct nitni_ref *ref );
830 /* Increase count on an existing global reference */
831 extern void nitni_global_ref_incr( struct nitni_ref *ref );
833 /* Decrease count on an existing global reference */
834 extern void nitni_global_ref_decr( struct nitni_ref *ref );
838 fun compile_finalizer_function
840 var finalizable_type
= mainmodule
.finalizable_type
841 if finalizable_type
== null then return
843 var finalize_meth
= mainmodule
.try_get_primitive_method
("finalize", finalizable_type
.mclass
)
845 if finalize_meth
== null then
846 modelbuilder
.toolcontext
.error
(null, "Error: the `Finalizable` class does not declare the `finalize` method.")
850 var v
= self.new_visitor
851 v
.add_decl
"void gc_finalize (void *obj, void *client_data) \{"
852 var recv
= v
.new_expr
("obj", finalizable_type
)
853 v
.send
(finalize_meth
, [recv
])
857 # Hook to add specif piece of code before the the main C function.
859 # Is called by `compile_main_function`
860 fun compile_before_main
(v
: VISITOR)
864 # Hook to add specif piece of code at the begin on the main C function.
866 # Is called by `compile_main_function`
867 fun compile_begin_main
(v
: VISITOR)
871 # Generate the main C function.
875 # * allocate the Sys object if it exists
876 # * call init if is exists
877 # * call main if it exists
878 fun compile_main_function
880 var v
= self.new_visitor
881 v
.add_decl
("#include <signal.h>")
882 var platform
= target_platform
884 var no_main
= platform
.no_main
or modelbuilder
.toolcontext
.opt_no_main
.value
886 if platform
.supports_libunwind
then
887 v
.add_decl
("#ifndef NO_STACKTRACE")
888 v
.add_decl
("#define UNW_LOCAL_ONLY")
889 v
.add_decl
("#include <libunwind.h>")
890 v
.add_decl
("#include \"c_functions_hash
.h\
"")
893 v
.add_decl
("int glob_argc;")
894 v
.add_decl
("char **glob_argv;")
895 v
.add_decl
("val *glob_sys;")
897 # Store catch stack in thread local storage
899 #if defined(TARGET_OS_IPHONE)
900 // Use pthread_key_create and others for iOS
903 static pthread_key_t catch_stack_key;
904 static pthread_once_t catch_stack_key_created = PTHREAD_ONCE_INIT;
906 static void create_catch_stack()
908 pthread_key_create(&catch_stack_key, NULL);
911 struct catch_stack_t *getCatchStack()
913 pthread_once(&catch_stack_key_created, &create_catch_stack);
914 struct catch_stack_t *data = pthread_getspecific(catch_stack_key);
916 data = malloc(sizeof(struct catch_stack_t));
918 data->currentSize = 0;
920 pthread_setspecific(catch_stack_key, data);
925 // Use __thread when available
926 __thread struct catch_stack_t catchStack = {-1, 0, NULL};
928 struct catch_stack_t *getCatchStack()
935 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
936 for tag
in count_type_test_tags
do
937 v
.add_decl
("long count_type_test_resolved_{tag};")
938 v
.add_decl
("long count_type_test_unresolved_{tag};")
939 v
.add_decl
("long count_type_test_skipped_{tag};")
940 v
.compiler
.header
.add_decl
("extern long count_type_test_resolved_{tag};")
941 v
.compiler
.header
.add_decl
("extern long count_type_test_unresolved_{tag};")
942 v
.compiler
.header
.add_decl
("extern long count_type_test_skipped_{tag};")
946 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
947 v
.add_decl
("long count_invoke_by_tables;")
948 v
.add_decl
("long count_invoke_by_direct;")
949 v
.add_decl
("long count_invoke_by_inline;")
950 v
.compiler
.header
.add_decl
("extern long count_invoke_by_tables;")
951 v
.compiler
.header
.add_decl
("extern long count_invoke_by_direct;")
952 v
.compiler
.header
.add_decl
("extern long count_invoke_by_inline;")
955 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
956 v
.add_decl
("long count_attr_reads = 0;")
957 v
.add_decl
("long count_isset_checks = 0;")
958 v
.compiler
.header
.add_decl
("extern long count_attr_reads;")
959 v
.compiler
.header
.add_decl
("extern long count_isset_checks;")
962 v
.add_decl
("static void show_backtrace(void) \{")
963 if platform
.supports_libunwind
then
964 v
.add_decl
("#ifndef NO_STACKTRACE")
965 v
.add_decl
("char* opt = getenv(\"NIT_NO_STACK\
");")
966 v
.add_decl
("unw_cursor_t cursor;")
967 v
.add_decl
("if(opt==NULL)\{")
968 v
.add_decl
("unw_context_t uc;")
969 v
.add_decl
("unw_word_t ip;")
970 v
.add_decl
("char* procname = malloc(sizeof(char) * 100);")
971 v
.add_decl
("unw_getcontext(&uc);")
972 v
.add_decl
("unw_init_local(&cursor, &uc);")
973 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
974 v
.add_decl
("PRINT_ERROR(\"-- Stack Trace ------------------------------\\n\
");")
975 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
976 v
.add_decl
("while (unw_step(&cursor) > 0) \{")
977 v
.add_decl
(" unw_get_proc_name(&cursor, procname, 100, &ip);")
978 v
.add_decl
(" const char* recv = get_nit_name(procname, strlen(procname));")
979 v
.add_decl
(" if (recv != NULL)\{")
980 v
.add_decl
(" PRINT_ERROR(\"` %s\\n\", recv);")
981 v.add_decl(" \}else\{")
982 v.add_decl(" PRINT_ERROR(\"` %s\\n\
", procname);")
985 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
986 v
.add_decl
("free(procname);")
988 v
.add_decl
("#endif /* NO_STACKTRACE */")
992 v
.add_decl
("void sig_handler(int signo)\{")
993 v
.add_decl
"#ifdef _WIN32"
994 v
.add_decl
"PRINT_ERROR(\"Caught signal
: %s\\n\
", signo);"
996 v
.add_decl
("PRINT_ERROR(\"Caught signal
: %s\\n\
", strsignal(signo));")
998 v
.add_decl
("show_backtrace();")
1000 v
.add_decl
("signal(signo, SIG_DFL);")
1001 v
.add_decl
"#ifndef _WIN32"
1002 v
.add_decl
("kill(getpid(), signo);")
1006 v
.add_decl
("void fatal_exit(int status) \{")
1007 v
.add_decl
("show_backtrace();")
1008 v
.add_decl
("exit(status);")
1011 compile_before_main
(v
)
1014 v
.add_decl
("int nit_main(int argc, char** argv) \{")
1016 v
.add_decl
("int main(int argc, char** argv) \{")
1019 compile_begin_main
(v
)
1021 v
.add
"#if !defined(__ANDROID__) && !defined(TARGET_OS_IPHONE)"
1022 v
.add
("signal(SIGABRT, sig_handler);")
1023 v
.add
("signal(SIGFPE, sig_handler);")
1024 v
.add
("signal(SIGILL, sig_handler);")
1025 v
.add
("signal(SIGINT, sig_handler);")
1026 v
.add
("signal(SIGTERM, sig_handler);")
1027 v
.add
("signal(SIGSEGV, sig_handler);")
1029 v
.add
"#ifndef _WIN32"
1030 v
.add
("signal(SIGPIPE, SIG_IGN);")
1033 v
.add
("glob_argc = argc; glob_argv = argv;")
1034 v
.add
("initialize_gc_option();")
1036 v
.add
"initialize_nitni_global_refs();"
1038 var main_type
= mainmodule
.sys_type
1039 if main_type
!= null then
1040 var mainmodule
= v
.compiler
.mainmodule
1041 var glob_sys
= v
.init_instance
(main_type
)
1042 v
.add
("glob_sys = {glob_sys};")
1043 var main_init
= mainmodule
.try_get_primitive_method
("init", main_type
.mclass
)
1044 if main_init
!= null then
1045 v
.send
(main_init
, [glob_sys
])
1047 var main_method
= mainmodule
.try_get_primitive_method
("run", main_type
.mclass
) or else
1048 mainmodule
.try_get_primitive_method
("main", main_type
.mclass
)
1049 if main_method
!= null then
1050 v
.send
(main_method
, [glob_sys
])
1054 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1055 v
.add_decl
("long count_type_test_resolved_total = 0;")
1056 v
.add_decl
("long count_type_test_unresolved_total = 0;")
1057 v
.add_decl
("long count_type_test_skipped_total = 0;")
1058 v
.add_decl
("long count_type_test_total_total = 0;")
1059 for tag
in count_type_test_tags
do
1060 v
.add_decl
("long count_type_test_total_{tag};")
1061 v
.add
("count_type_test_total_{tag} = count_type_test_resolved_{tag} + count_type_test_unresolved_{tag} + count_type_test_skipped_{tag};")
1062 v
.add
("count_type_test_resolved_total += count_type_test_resolved_{tag};")
1063 v
.add
("count_type_test_unresolved_total += count_type_test_unresolved_{tag};")
1064 v
.add
("count_type_test_skipped_total += count_type_test_skipped_{tag};")
1065 v
.add
("count_type_test_total_total += count_type_test_total_{tag};")
1067 v
.add
("printf(\"# dynamic count_type_test: total %l\\n\");")
1068 v
.add
("printf(\"\\tresolved\\tunresolved\\tskipped\\ttotal\\n\
");")
1069 var tags
= count_type_test_tags
.to_a
1072 v
.add
("printf(\"{tag}\
");")
1073 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_resolved_{tag}, 100.0*count_type_test_resolved_{tag}/count_type_test_total_total);")
1074 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_unresolved_{tag}, 100.0*count_type_test_unresolved_{tag}/count_type_test_total_total);")
1075 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_skipped_{tag}, 100.0*count_type_test_skipped_{tag}/count_type_test_total_total);")
1076 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\\n\
", count_type_test_total_{tag}, 100.0*count_type_test_total_{tag}/count_type_test_total_total);")
1080 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
1081 v
.add_decl
("long count_invoke_total;")
1082 v
.add
("count_invoke_total = count_invoke_by_tables + count_invoke_by_direct + count_invoke_by_inline;")
1083 v
.add
("printf(\"# dynamic count_invocation: total %ld\\n\", count_invoke_total);")
1084 v
.add
("printf(\"by table
: %ld
(%.2f
%%)\\n\
", count_invoke_by_tables, 100.0*count_invoke_by_tables/count_invoke_total);")
1085 v
.add
("printf(\"direct
: %ld
(%.2f
%%)\\n\
", count_invoke_by_direct, 100.0*count_invoke_by_direct/count_invoke_total);")
1086 v
.add
("printf(\"inlined
: %ld
(%.2f
%%)\\n\
", count_invoke_by_inline, 100.0*count_invoke_by_inline/count_invoke_total);")
1089 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
1090 v
.add
("printf(\"# dynamic attribute reads: %ld\\n\", count_attr_reads);")
1091 v
.add
("printf(\"# dynamic isset checks: %ld\\n\", count_isset_checks);")
1097 for m
in mainmodule
.in_importation
.greaters
do
1098 var f
= "FILE_"+m
.c_name
1099 v
.add
"const char {f}[] = \"{m.location.file.filename.escape_to_c}\
";"
1100 provide_declaration
(f
, "extern const char {f}[];")
1104 # Copile all C functions related to the [incr|decr]_ref features of the FFI
1105 fun compile_nitni_global_ref_functions
1107 var v
= self.new_visitor
1109 struct nitni_global_ref_list_t *nitni_global_ref_list;
1110 void initialize_nitni_global_refs() {
1111 nitni_global_ref_list = (struct nitni_global_ref_list_t*)nit_alloc(sizeof(struct nitni_global_ref_list_t));
1112 nitni_global_ref_list->head = NULL;
1113 nitni_global_ref_list->tail = NULL;
1116 void nitni_global_ref_add( struct nitni_ref *ref ) {
1117 if ( nitni_global_ref_list->head == NULL ) {
1118 nitni_global_ref_list->head = ref;
1121 nitni_global_ref_list->tail->next = ref;
1122 ref->prev = nitni_global_ref_list->tail;
1124 nitni_global_ref_list->tail = ref;
1129 void nitni_global_ref_remove( struct nitni_ref *ref ) {
1130 if ( ref->prev == NULL ) {
1131 nitni_global_ref_list->head = ref->next;
1133 ref->prev->next = ref->next;
1136 if ( ref->next == NULL ) {
1137 nitni_global_ref_list->tail = ref->prev;
1139 ref->next->prev = ref->prev;
1143 extern void nitni_global_ref_incr( struct nitni_ref *ref ) {
1144 if ( ref->count == 0 ) /* not registered */
1147 nitni_global_ref_add( ref );
1153 extern void nitni_global_ref_decr( struct nitni_ref *ref ) {
1154 if ( ref->count == 1 ) /* was last reference */
1156 /* remove from list */
1157 nitni_global_ref_remove( ref );
1165 # List of additional files required to compile (FFI)
1166 var extern_bodies
= new Array[ExternFile]
1168 # List of source files to copy over to the compile dir
1169 var files_to_copy
= new Array[String]
1171 # This is used to avoid adding an extern file more than once
1172 private var seen_extern
= new ArraySet[String]
1174 # Generate code that initialize the attributes on a new instance
1175 fun generate_init_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1177 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1178 self.mainmodule
.linearize_mclassdefs
(cds
)
1180 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1181 npropdef
.init_expr
(v
, recv
)
1186 # Generate code that check if an attribute is correctly initialized
1187 fun generate_check_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1189 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1190 self.mainmodule
.linearize_mclassdefs
(cds
)
1192 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1193 npropdef
.check_expr
(v
, recv
)
1200 var count_type_test_tags
: Array[String] = ["isa", "as", "auto", "covariance", "erasure"]
1201 var count_type_test_resolved
: HashMap[String, Int] = init_count_type_test_tags
1202 var count_type_test_unresolved
: HashMap[String, Int] = init_count_type_test_tags
1203 var count_type_test_skipped
: HashMap[String, Int] = init_count_type_test_tags
1205 protected fun init_count_type_test_tags
: HashMap[String, Int]
1207 var res
= new HashMap[String, Int]
1208 for tag
in count_type_test_tags
do
1214 # Display stats about compilation process
1218 # * type tests against resolved types (`x isa Collection[Animal]`)
1219 # * type tests against unresolved types (`x isa Collection[E]`)
1220 # * type tests skipped
1221 # * type tests total
1224 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1225 print
"# static count_type_test"
1226 print
"\tresolved:\tunresolved\tskipped\ttotal"
1227 var count_type_test_total
= init_count_type_test_tags
1228 count_type_test_resolved
["total"] = 0
1229 count_type_test_unresolved
["total"] = 0
1230 count_type_test_skipped
["total"] = 0
1231 count_type_test_total
["total"] = 0
1232 for tag
in count_type_test_tags
do
1233 count_type_test_total
[tag
] = count_type_test_resolved
[tag
] + count_type_test_unresolved
[tag
] + count_type_test_skipped
[tag
]
1234 count_type_test_resolved
["total"] += count_type_test_resolved
[tag
]
1235 count_type_test_unresolved
["total"] += count_type_test_unresolved
[tag
]
1236 count_type_test_skipped
["total"] += count_type_test_skipped
[tag
]
1237 count_type_test_total
["total"] += count_type_test_total
[tag
]
1239 var count_type_test
= count_type_test_total
["total"]
1240 var tags
= count_type_test_tags
.to_a
1244 printn
"\t{count_type_test_resolved[tag]} ({div(count_type_test_resolved[tag],count_type_test)}%)"
1245 printn
"\t{count_type_test_unresolved[tag]} ({div(count_type_test_unresolved[tag],count_type_test)}%)"
1246 printn
"\t{count_type_test_skipped[tag]} ({div(count_type_test_skipped[tag],count_type_test)}%)"
1247 printn
"\t{count_type_test_total[tag]} ({div(count_type_test_total[tag],count_type_test)}%)"
1253 fun finalize_ffi_for_module
(mmodule
: MModule) do mmodule
.finalize_ffi
(self)
1256 # C code file generated from the `writers` and the `required_declarations`
1258 # A file unit aims to be autonomous and is made or one or more `CodeWriter`s.
1260 # Basename of the file, will be appended by `.h` and `.c`
1263 # `CodeWriter` used in sequence to fill the top of the body, then the bottom
1264 var writers
= new Array[CodeWriter]
1266 # Required declarations keys
1268 # See: `provide_declaration`
1269 var required_declarations
= new HashSet[String]
1272 # Store generated lines
1274 # Instances are added to `file.writers` at construction.
1279 # Main lines of code (written at the bottom of the body)
1280 var lines
= new Array[String]
1282 # Lines of code for declarations (written at the top of the body)
1283 var decl_lines
= new Array[String]
1285 # Add a line in the main lines of code (to `lines`)
1286 fun add
(s
: String) do self.lines
.add
(s
)
1288 # Add a declaration line (to `decl_lines`)
1290 # Used for local and global declaration.
1291 fun add_decl
(s
: String) do self.decl_lines
.add
(s
)
1295 file
.writers
.add
(self)
1299 # A visitor on the AST of property definition that generate the C code.
1300 abstract class AbstractCompilerVisitor
1302 type COMPILER: AbstractCompiler
1304 # The associated compiler
1305 var compiler
: COMPILER
1307 # The current visited AST node
1308 var current_node
: nullable ANode = null is writable
1310 # The current `StaticFrame`
1311 var frame
: nullable StaticFrame = null is writable
1313 # Alias for self.compiler.mainmodule.object_type
1314 fun object_type
: MClassType do return self.compiler
.mainmodule
.object_type
1316 # Alias for self.compiler.mainmodule.bool_type
1317 fun bool_type
: MClassType do return self.compiler
.mainmodule
.bool_type
1319 var writer
: CodeWriter is noinit
1323 self.writer
= new CodeWriter(compiler
.files
.last
)
1326 # Force to get the primitive property named `name` in the instance `recv` or abort
1327 fun get_property
(name
: String, recv
: MType): MMethod
1329 assert recv
isa MClassType
1330 return self.compiler
.modelbuilder
.force_get_primitive_method
(self.current_node
, name
, recv
.mclass
, self.compiler
.mainmodule
)
1333 fun compile_callsite
(callsite
: CallSite, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
1335 if callsite
.is_broken
then return null
1336 var initializers
= callsite
.mpropdef
.initializers
1337 if not initializers
.is_empty
then
1338 var recv
= arguments
.first
1341 for p
in initializers
do
1342 if p
isa MMethod then
1344 for x
in p
.intro
.msignature
.mparameters
do
1345 args
.add arguments
[i
]
1349 else if p
isa MAttribute then
1350 self.write_attribute
(p
, recv
, arguments
[i
])
1354 assert i
== arguments
.length
1356 return self.send
(callsite
.mproperty
, [recv
])
1359 return self.send
(callsite
.mproperty
, arguments
)
1362 fun native_array_instance
(elttype
: MType, length
: RuntimeVariable): RuntimeVariable is abstract
1364 fun native_array_def
(pname
: String, ret_type
: nullable MType, arguments
: Array[RuntimeVariable]): Bool do return false
1366 # Return an element of a native array.
1367 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1368 fun native_array_get
(native_array
: RuntimeVariable, index
: Int): RuntimeVariable is abstract
1370 # Store an element in a native array.
1371 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1372 fun native_array_set
(native_array
: RuntimeVariable, index
: Int, value
: RuntimeVariable) is abstract
1374 # Allocate `size` bytes with the low_level `nit_alloc` C function
1376 # This method can be redefined to inject statistic or tracing code.
1378 # `tag` if any, is used to mark the class of the allocated object.
1379 fun nit_alloc
(size
: String, tag
: nullable String): String
1381 return "nit_alloc({size})"
1384 # Evaluate `args` as expressions in the call of `mpropdef` on `recv`.
1385 # This method is used to manage varargs in signatures and returns the real array
1386 # of runtime variables to use in the call.
1387 fun varargize
(mpropdef
: MMethodDef, map
: nullable SignatureMap, recv
: RuntimeVariable, args
: SequenceRead[AExpr]): Array[RuntimeVariable]
1389 var msignature
= mpropdef
.new_msignature
or else mpropdef
.msignature
.as(not null)
1390 var res
= new Array[RuntimeVariable]
1393 if msignature
.arity
== 0 then return res
1396 assert args
.length
== msignature
.arity
1398 res
.add
self.expr
(ne
, null)
1403 # Eval in order of arguments, not parameters
1404 var exprs
= new Array[RuntimeVariable].with_capacity
(args
.length
)
1406 exprs
.add
self.expr
(ne
, null)
1409 # Fill `res` with the result of the evaluation according to the mapping
1410 for i
in [0..msignature
.arity
[ do
1411 var param
= msignature
.mparameters
[i
]
1412 var j
= map
.map
.get_or_null
(i
)
1415 res
.add
(null_instance
)
1418 if param
.is_vararg
and args
[i
].vararg_decl
> 0 then
1419 var vararg
= exprs
.sub
(j
, args
[i
].vararg_decl
)
1420 var elttype
= param
.mtype
1421 var arg
= self.vararg_instance
(mpropdef
, recv
, vararg
, elttype
)
1432 # Anchor a type to the main module and the current receiver
1433 fun anchor
(mtype
: MType): MType
1435 if not mtype
.need_anchor
then return mtype
1436 return mtype
.anchor_to
(self.compiler
.mainmodule
, self.frame
.receiver
)
1439 fun resolve_for
(mtype
: MType, recv
: RuntimeVariable): MType
1441 if not mtype
.need_anchor
then return mtype
1442 return mtype
.resolve_for
(recv
.mcasttype
, self.frame
.receiver
, self.compiler
.mainmodule
, true)
1445 # Unsafely cast a value to a new type
1446 # ie the result share the same C variable but my have a different mcasttype
1447 # NOTE: if the adaptation is useless then `value` is returned as it.
1448 # ENSURE: `result.name == value.name`
1449 fun autoadapt
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable
1451 mtype
= self.anchor
(mtype
)
1452 var valmtype
= value
.mcasttype
1454 # CPrimitive is the best you can do
1455 if valmtype
.is_c_primitive
then
1459 # Do nothing if useless autocast
1460 if valmtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1464 # Just as_not_null if the target is not nullable.
1466 # eg `nullable PreciseType` adapted to `Object` gives precisetype.
1467 if valmtype
isa MNullableType and valmtype
.mtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1468 mtype
= valmtype
.mtype
1471 var res
= new RuntimeVariable(value
.name
, value
.mtype
, mtype
)
1475 # Generate a super call from a method definition
1476 fun supercall
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1478 # Adapt the arguments of a method according to targetted `MMethodDef`
1479 fun adapt_signature
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1481 # Unbox all the arguments of a method when implemented `extern` or `intern`
1482 fun unbox_signature_extern
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1484 # Box or unbox a value to another type iff a C type conversion is needed
1485 # ENSURE: `result.mtype.ctype == mtype.ctype`
1486 fun autobox
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1488 # Box extern classes to be used in the generated code
1489 fun box_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1491 # Unbox extern classes to be used in extern code (legacy NI and FFI)
1492 fun unbox_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1494 # Generate a polymorphic subtype test
1495 fun type_test
(value
: RuntimeVariable, mtype
: MType, tag
: String): RuntimeVariable is abstract
1497 # Generate the code required to dynamically check if 2 objects share the same runtime type
1498 fun is_same_type_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1500 # Generate a Nit "is" for two runtime_variables
1501 fun equal_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1505 # Generate a static call on a method definition
1506 fun call
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1508 # Generate a polymorphic send for the method `m` and the arguments `args`
1509 fun send
(m
: MMethod, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1511 # Generate a monomorphic send for the method `m`, the type `t` and the arguments `args`
1512 fun monomorphic_send
(m
: MMethod, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1514 assert t
isa MClassType
1515 var propdef
= m
.lookup_first_definition
(self.compiler
.mainmodule
, t
)
1516 return self.call
(propdef
, t
, args
)
1519 # Generate a monomorphic super send from the method `m`, the type `t` and the arguments `args`
1520 fun monomorphic_super_send
(m
: MMethodDef, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1522 assert t
isa MClassType
1523 m
= m
.lookup_next_definition
(self.compiler
.mainmodule
, t
)
1524 return self.call
(m
, t
, args
)
1527 # Attributes handling
1529 # Generate a polymorphic attribute is_set test
1530 fun isset_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1532 # Generate a polymorphic attribute read
1533 fun read_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1535 # Generate a polymorphic attribute write
1536 fun write_attribute
(a
: MAttribute, recv
: RuntimeVariable, value
: RuntimeVariable) is abstract
1540 # Can value be null? (according to current knowledge)
1541 fun maybe_null
(value
: RuntimeVariable): Bool
1543 return value
.mcasttype
isa MNullableType or value
.mcasttype
isa MNullType
1546 # Add a check and an abort for a null receiver if needed
1547 fun check_recv_notnull
(recv
: RuntimeVariable)
1549 if self.compiler
.modelbuilder
.toolcontext
.opt_no_check_null
.value
then return
1551 if maybe_null
(recv
) then
1552 self.add
("if (unlikely({recv} == NULL)) \{")
1553 self.add_abort
("Receiver is null")
1560 private var names
= new HashSet[String]
1561 private var last
: Int = 0
1563 # Return a new name based on `s` and unique in the visitor
1564 fun get_name
(s
: String): String
1566 if not self.names
.has
(s
) then
1570 var i
= self.last
+ 1
1573 if not self.names
.has
(s2
) then
1582 # Return an unique and stable identifier associated with an escapemark
1583 fun escapemark_name
(e
: nullable EscapeMark): String
1586 if frame
.escapemark_names
.has_key
(e
) then return frame
.escapemark_names
[e
]
1588 if name
== null then name
= "label"
1589 name
= get_name
(name
)
1590 frame
.escapemark_names
[e
] = name
1594 # Insert a C label for associated with an escapemark
1595 fun add_escape_label
(e
: nullable EscapeMark)
1597 if e
== null then return
1598 if e
.escapes
.is_empty
then return
1599 add
("BREAK_{escapemark_name(e)}: (void)0;")
1602 # Return a "const char*" variable associated to the classname of the dynamic type of an object
1603 # NOTE: we do not return a `RuntimeVariable` "CString" as the class may not exist in the module/program
1604 fun class_name_string
(value
: RuntimeVariable): String is abstract
1606 # Variables handling
1608 protected var variables
= new HashMap[Variable, RuntimeVariable]
1610 # Return the local runtime_variable associated to a Nit local variable
1611 fun variable
(variable
: Variable): RuntimeVariable
1613 if self.variables
.has_key
(variable
) then
1614 return self.variables
[variable
]
1616 var name
= self.get_name
("var_{variable.name}")
1617 var mtype
= variable
.declared_type
.as(not null)
1618 mtype
= self.anchor
(mtype
)
1619 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1620 self.add_decl
("{mtype.ctype} {name} /* var {variable}: {mtype} */;")
1621 self.variables
[variable
] = res
1626 # Return a new uninitialized local runtime_variable
1627 fun new_var
(mtype
: MType): RuntimeVariable
1629 mtype
= self.anchor
(mtype
)
1630 var name
= self.get_name
("var")
1631 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1632 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1636 # The difference with `new_var` is the C static type of the local variable
1637 fun new_var_extern
(mtype
: MType): RuntimeVariable
1639 mtype
= self.anchor
(mtype
)
1640 var name
= self.get_name
("var")
1641 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1642 self.add_decl
("{mtype.ctype_extern} {name} /* : {mtype} for extern */;")
1646 # Return a new uninitialized named runtime_variable
1647 fun new_named_var
(mtype
: MType, name
: String): RuntimeVariable
1649 mtype
= self.anchor
(mtype
)
1650 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1651 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1655 # Correctly assign a left and a right value
1656 # Boxing and unboxing is performed if required
1657 fun assign
(left
, right
: RuntimeVariable)
1659 right
= self.autobox
(right
, left
.mtype
)
1660 self.add
("{left} = {right};")
1663 # Generate instances
1665 # Generate a alloc-instance + init-attributes
1666 fun init_instance
(mtype
: MClassType): RuntimeVariable is abstract
1668 # Allocate and init attributes of an instance of a standard or extern class
1670 # Does not support universals and the pseudo-internal `NativeArray` class.
1671 fun init_instance_or_extern
(mtype
: MClassType): RuntimeVariable
1674 var ctype
= mtype
.ctype
1675 assert mtype
.mclass
.name
!= "NativeArray"
1676 if not mtype
.is_c_primitive
then
1677 recv
= init_instance
(mtype
)
1678 else if ctype
== "char*" then
1679 recv
= new_expr
("NULL/*special!*/", mtype
)
1681 recv
= new_expr
("({ctype})0/*special!*/", mtype
)
1686 # Set a GC finalizer on `recv`, only if `recv` isa Finalizable
1687 fun set_finalizer
(recv
: RuntimeVariable)
1689 var mtype
= recv
.mtype
1690 var finalizable_type
= compiler
.mainmodule
.finalizable_type
1691 if finalizable_type
!= null and not mtype
.need_anchor
and
1692 mtype
.is_subtype
(compiler
.mainmodule
, null, finalizable_type
) then
1693 add
"gc_register_finalizer({recv});"
1697 # The currently processed module
1699 # alias for `compiler.mainmodule`
1700 fun mmodule
: MModule do return compiler
.mainmodule
1702 # Generate an integer value
1703 fun int_instance
(value
: Int): RuntimeVariable
1705 var t
= mmodule
.int_type
1706 var res
= new RuntimeVariable("{value.to_s}l", t
, t
)
1710 # Generate a byte value
1711 fun byte_instance
(value
: Byte): RuntimeVariable
1713 var t
= mmodule
.byte_type
1714 var res
= new RuntimeVariable("((unsigned char){value.to_s})", t
, t
)
1718 # Generate an int8 value
1719 fun int8_instance
(value
: Int8): RuntimeVariable
1721 var t
= mmodule
.int8_type
1722 var res
= new RuntimeVariable("INT8_C({value.to_s})", t
, t
)
1726 # Generate an int16 value
1727 fun int16_instance
(value
: Int16): RuntimeVariable
1729 var t
= mmodule
.int16_type
1730 var res
= new RuntimeVariable("INT16_C({value.to_s})", t
, t
)
1734 # Generate a uint16 value
1735 fun uint16_instance
(value
: UInt16): RuntimeVariable
1737 var t
= mmodule
.uint16_type
1738 var res
= new RuntimeVariable("UINT16_C({value.to_s})", t
, t
)
1742 # Generate an int32 value
1743 fun int32_instance
(value
: Int32): RuntimeVariable
1745 var t
= mmodule
.int32_type
1746 var res
= new RuntimeVariable("INT32_C({value.to_s})", t
, t
)
1750 # Generate a uint32 value
1751 fun uint32_instance
(value
: UInt32): RuntimeVariable
1753 var t
= mmodule
.uint32_type
1754 var res
= new RuntimeVariable("UINT32_C({value.to_s})", t
, t
)
1758 # Generate a char value
1759 fun char_instance
(value
: Char): RuntimeVariable
1761 var t
= mmodule
.char_type
1763 if value
.code_point
< 128 then
1764 return new RuntimeVariable("'{value.to_s.escape_to_c}'", t
, t
)
1766 return new RuntimeVariable("{value.code_point}", t
, t
)
1770 # Generate a float value
1772 # FIXME pass a Float, not a string
1773 fun float_instance
(value
: String): RuntimeVariable
1775 var t
= mmodule
.float_type
1776 var res
= new RuntimeVariable("{value}", t
, t
)
1780 # Generate an integer value
1781 fun bool_instance
(value
: Bool): RuntimeVariable
1783 var s
= if value
then "1" else "0"
1784 var res
= new RuntimeVariable(s
, bool_type
, bool_type
)
1788 # Generate the `null` value
1789 fun null_instance
: RuntimeVariable
1791 var t
= compiler
.mainmodule
.model
.null_type
1792 var res
= new RuntimeVariable("((val*)NULL)", t
, t
)
1796 # Generates a CString instance fully escaped in C-style \xHH fashion
1797 fun c_string_instance
(ns
: CString, len
: Int): RuntimeVariable do
1798 var mtype
= mmodule
.c_string_type
1799 var nat
= new_var
(mtype
)
1800 var byte_esc
= new Buffer.with_cap
(len
* 4)
1801 for i
in [0 .. len
[ do
1802 byte_esc
.append
("\\x{ns[i].to_hex}")
1804 self.add
("{nat} = \"{byte_esc}\
";")
1808 # Generate a string value
1809 fun string_instance
(string
: String): RuntimeVariable
1811 var mtype
= mmodule
.string_type
1812 var name
= self.get_name
("varonce")
1813 self.add_decl
("static {mtype.ctype} {name};")
1814 var res
= self.new_var
(mtype
)
1815 self.add
("if (likely({name}!=NULL)) \{")
1816 self.add
("{res} = {name};")
1817 self.add
("\} else \{")
1818 var native_mtype
= mmodule
.c_string_type
1819 var nat
= self.new_var
(native_mtype
)
1820 self.add
("{nat} = \"{string.escape_to_c}\
";")
1821 var byte_length
= self.int_instance
(string
.byte_length
)
1822 var unilen
= self.int_instance
(string
.length
)
1823 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)};")
1824 self.add
("{name} = {res};")
1829 fun value_instance
(object
: Object): RuntimeVariable
1831 if object
isa Int then
1832 return int_instance
(object
)
1833 else if object
isa Bool then
1834 return bool_instance
(object
)
1835 else if object
isa String then
1836 return string_instance
(object
)
1842 # Generate an array value
1843 fun array_instance
(array
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1845 # Get an instance of a array for a vararg
1846 fun vararg_instance
(mpropdef
: MPropDef, recv
: RuntimeVariable, varargs
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1850 # Add a line in the main part of the generated C
1851 fun add
(s
: String) do self.writer
.lines
.add
(s
)
1854 # (used for local or global declaration)
1855 fun add_decl
(s
: String) do self.writer
.decl_lines
.add
(s
)
1857 # Request the presence of a global declaration
1858 fun require_declaration
(key
: String)
1860 var reqs
= self.writer
.file
.required_declarations
1861 if reqs
.has
(key
) then return
1863 var node
= current_node
1864 if node
!= null then compiler
.requirers_of_declarations
[key
] = node
1867 # Add a declaration in the local-header
1868 # The declaration is ensured to be present once
1869 fun declare_once
(s
: String)
1871 self.compiler
.provide_declaration
(s
, s
)
1872 self.require_declaration
(s
)
1875 # Look for a needed .h and .c file for a given module
1876 # This is used for the legacy FFI
1877 fun add_extern
(mmodule
: MModule)
1879 var file
= mmodule
.filepath
1880 file
= file
.strip_extension
(".nit")
1881 var tryfile
= file
+ ".nit.h"
1882 if tryfile
.file_exists
then
1883 self.declare_once
("#include \"{tryfile.basename}\
"")
1884 self.compiler
.files_to_copy
.add
(tryfile
)
1886 tryfile
= file
+ "_nit.h"
1887 if tryfile
.file_exists
then
1888 self.declare_once
("#include \"{tryfile.basename}\
"")
1889 self.compiler
.files_to_copy
.add
(tryfile
)
1892 if self.compiler
.seen_extern
.has
(file
) then return
1893 self.compiler
.seen_extern
.add
(file
)
1894 tryfile
= file
+ ".nit.c"
1895 if not tryfile
.file_exists
then
1896 tryfile
= file
+ "_nit.c"
1897 if not tryfile
.file_exists
then return
1899 var f
= new ExternCFile(tryfile
.basename
, "")
1900 self.compiler
.extern_bodies
.add
(f
)
1901 self.compiler
.files_to_copy
.add
(tryfile
)
1904 # Return a new local runtime_variable initialized with the C expression `cexpr`.
1905 fun new_expr
(cexpr
: String, mtype
: MType): RuntimeVariable
1907 var res
= new_var
(mtype
)
1908 self.add
("{res} = {cexpr};")
1912 # Generate generic abort
1913 # used by aborts, asserts, casts, etc.
1914 fun add_abort
(message
: String)
1917 self.add
("PRINT_ERROR(\"Runtime error
: %s\
", \"{message.escape_to_c}\
");")
1921 # Generate a long jump if there is a catch block.
1923 # This method should be called before the error messages and before a `add_raw_abort`.
1927 self.add
("struct catch_stack_t *catchStack = getCatchStack();")
1928 self.add
("if(catchStack->cursor >= 0)\{")
1929 self.add
(" longjmp(catchStack->envs[catchStack->cursor], 1);")
1934 # Generate abort without a message.
1936 # Used when one need a more complex message.
1937 # Do not forget to call `add_raw_abort` before the display of a custom user message.
1940 var current_node
= self.current_node
1941 if current_node
!= null and current_node
.location
.file
!= null and
1942 current_node
.location
.file
.mmodule
!= null then
1943 var f
= "FILE_{self.current_node.location.file.mmodule.c_name}"
1944 self.require_declaration
(f
)
1945 self.add
("PRINT_ERROR(\" (%s
:%d
)\\n\
", {f}, {current_node.location.line_start});")
1947 self.add
("PRINT_ERROR(\"\\n\
");")
1949 self.add
("fatal_exit(1);")
1952 # Add a dynamic cast
1953 fun add_cast
(value
: RuntimeVariable, mtype
: MType, tag
: String)
1955 var res
= self.type_test
(value
, mtype
, tag
)
1956 self.add
("if (unlikely(!{res})) \{")
1958 var cn
= self.class_name_string
(value
)
1959 self.add
("PRINT_ERROR(\"Runtime error
: Cast failed
. Expected `%s`, got
`%s`\
", \"{mtype.to_s.escape_to_c}\
", {cn});")
1964 # Generate a return with the value `s`
1965 fun ret
(s
: RuntimeVariable)
1967 self.assign
(self.frame
.returnvar
.as(not null), s
)
1968 self.add
("goto {self.frame.returnlabel.as(not null)};")
1971 # Compile a statement (if any)
1972 fun stmt
(nexpr
: nullable AExpr)
1974 if nexpr
== null then return
1975 if nexpr
.is_broken
then
1976 # Untyped expression.
1977 # Might mean dead code or invalid code
1979 add_abort
("FATAL: bad statement executed.")
1983 var narray
= nexpr
.comprehension
1984 if narray
!= null then
1985 var recv
= frame
.comprehension
.as(not null)
1986 var val
= expr
(nexpr
, narray
.element_mtype
)
1987 compile_callsite
(narray
.push_callsite
.as(not null), [recv
, val
])
1991 var old
= self.current_node
1992 self.current_node
= nexpr
1994 self.current_node
= old
1997 # Compile an expression an return its result
1998 # `mtype` is the expected return type, pass null if no specific type is expected.
1999 fun expr
(nexpr
: AExpr, mtype
: nullable MType): RuntimeVariable
2001 var old
= self.current_node
2002 self.current_node
= nexpr
2005 if nexpr
.mtype
!= null then
2006 res
= nexpr
.expr
(self)
2010 # Untyped expression.
2011 # Might mean dead code or invalid code.
2013 add_abort
("FATAL: bad expression executed.")
2014 # and return a placebo result to please the C compiler
2015 if mtype
== null then mtype
= compiler
.mainmodule
.object_type
2016 res
= new_var
(mtype
)
2018 self.current_node
= old
2022 if mtype
!= null then
2023 mtype
= self.anchor
(mtype
)
2024 res
= self.autobox
(res
, mtype
)
2026 res
= autoadapt
(res
, nexpr
.mtype
.as(not null))
2027 var implicit_cast_to
= nexpr
.implicit_cast_to
2028 if implicit_cast_to
!= null and not self.compiler
.modelbuilder
.toolcontext
.opt_no_check_autocast
.value
then
2029 add_cast
(res
, implicit_cast_to
, "auto")
2030 res
= autoadapt
(res
, implicit_cast_to
)
2032 self.current_node
= old
2036 # Alias for `self.expr(nexpr, self.bool_type)`
2037 fun expr_bool
(nexpr
: AExpr): RuntimeVariable do return expr
(nexpr
, bool_type
)
2039 # Safely show a debug message on the current node and repeat the message in the C code as a comment
2040 fun debug
(message
: String)
2042 var node
= self.current_node
2043 if node
== null then
2044 print
"?: {message}"
2048 self.add
("/* DEBUG: {message} */")
2052 # A C function associated to a Nit method
2053 # Because of customization, a given Nit method can be compiler more that once
2054 abstract class AbstractRuntimeFunction
2056 type COMPILER: AbstractCompiler
2057 type VISITOR: AbstractCompilerVisitor
2059 # The associated Nit method
2060 var mmethoddef
: MMethodDef
2062 # The mangled c name of the runtime_function
2063 # Subclasses should redefine `build_c_name` instead
2066 var res
= self.c_name_cache
2067 if res
!= null then return res
2068 res
= self.build_c_name
2069 self.c_name_cache
= res
2073 # Non cached version of `c_name`
2074 protected fun build_c_name
: String is abstract
2076 protected var c_name_cache
: nullable String = null is writable
2078 # Implements a call of the runtime_function
2079 # May inline the body or generate a C function call
2080 fun call
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
2082 # Generate the code for the `AbstractRuntimeFunction`
2083 # Warning: compile more than once compilation makes CC unhappy
2084 fun compile_to_c
(compiler
: COMPILER) is abstract
2087 # A runtime variable hold a runtime value in C.
2088 # Runtime variables are associated to Nit local variables and intermediate results in Nit expressions.
2090 # 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.
2091 class RuntimeVariable
2092 # The name of the variable in the C code
2095 # The static type of the variable (as declard in C)
2098 # The current casted type of the variable (as known in Nit)
2099 var mcasttype
: MType is writable
2101 # If the variable exaclty a mcasttype?
2102 # false (usual value) means that the variable is a mcasttype or a subtype.
2103 var is_exact
: Bool = false is writable
2107 assert not mtype
.need_anchor
2108 assert not mcasttype
.need_anchor
2111 redef fun to_s
do return name
2116 if self.is_exact
then
2117 exact_str
= " exact"
2122 if self.mtype
== self.mcasttype
then
2123 type_str
= "{mtype}{exact_str}"
2125 type_str
= "{mtype}({mcasttype}{exact_str})"
2127 return "<{name}:{type_str}>"
2131 # The static context of a visited property in a `AbstractCompilerVisitor`
2134 type VISITOR: AbstractCompilerVisitor
2136 # The associated visitor
2137 var visitor
: VISITOR
2139 # The executed property.
2140 # A Method in case of a call, an attribute in case of a default initialization.
2141 var mpropdef
: MPropDef
2143 # The static type of the receiver
2144 var receiver
: MClassType
2146 # Arguments of the method (the first is the receiver)
2147 var arguments
: Array[RuntimeVariable]
2149 # The runtime_variable associated to the return (in a function)
2150 var returnvar
: nullable RuntimeVariable = null is writable
2152 # The label at the end of the property
2153 var returnlabel
: nullable String = null is writable
2155 # Labels associated to a each escapemarks.
2156 # Because of inlinings, escape-marks must be associated to their context (the frame)
2157 private var escapemark_names
= new HashMap[EscapeMark, String]
2159 # The array comprehension currently filled, if any
2160 private var comprehension
: nullable RuntimeVariable = null
2164 # Return the C type associated to a given Nit static type
2165 fun ctype
: String do return "val*"
2167 # C type outside of the compiler code and in boxes
2168 fun ctype_extern
: String do return "val*"
2170 # Short name of the `ctype` to use in unions
2171 fun ctypename
: String do return "val"
2173 # Is the associated C type a primitive one?
2175 # ENSURE `result == (ctype != "val*")`
2176 fun is_c_primitive
: Bool do return false
2179 redef class MClassType
2181 redef var ctype
is lazy
do
2182 if mclass
.name
== "Int" then
2184 else if mclass
.name
== "Bool" then
2186 else if mclass
.name
== "Char" then
2188 else if mclass
.name
== "Float" then
2190 else if mclass
.name
== "Int8" then
2192 else if mclass
.name
== "Byte" then
2193 return "unsigned char"
2194 else if mclass
.name
== "Int16" then
2196 else if mclass
.name
== "UInt16" then
2198 else if mclass
.name
== "Int32" then
2200 else if mclass
.name
== "UInt32" then
2202 else if mclass
.name
== "CString" then
2204 else if mclass
.name
== "NativeArray" then
2211 redef var is_c_primitive
is lazy
do return ctype
!= "val*"
2213 redef fun ctype_extern
: String
2215 if mclass
.kind
== extern_kind
then
2222 redef fun ctypename
: String
2224 if mclass
.name
== "Int" then
2226 else if mclass
.name
== "Bool" then
2228 else if mclass
.name
== "Char" then
2230 else if mclass
.name
== "Float" then
2232 else if mclass
.name
== "Int8" then
2234 else if mclass
.name
== "Byte" then
2236 else if mclass
.name
== "Int16" then
2238 else if mclass
.name
== "UInt16" then
2240 else if mclass
.name
== "Int32" then
2242 else if mclass
.name
== "UInt32" then
2244 else if mclass
.name
== "CString" then
2246 else if mclass
.name
== "NativeArray" then
2247 #return "{self.arguments.first.ctype}*"
2255 redef class MPropDef
2256 type VISITOR: AbstractCompilerVisitor
2259 redef class MMethodDef
2260 # Can the body be inlined?
2261 fun can_inline
(v
: VISITOR): Bool
2263 if is_abstract
then return true
2264 if constant_value
!= null then return true
2265 var modelbuilder
= v
.compiler
.modelbuilder
2266 var node
= modelbuilder
.mpropdef2node
(self)
2267 if node
isa APropdef then
2268 return node
.can_inline
2269 else if node
isa AClassdef then
2270 # Automatic free init is always inlined since it is empty or contains only attribtes assigments
2272 else if node
== null then
2279 # Inline the body in another visitor
2280 fun compile_inside_to_c
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
2282 var modelbuilder
= v
.compiler
.modelbuilder
2283 var val
= constant_value
2284 var node
= modelbuilder
.mpropdef2node
(self)
2288 var cn
= v
.class_name_string
(arguments
.first
)
2289 v
.current_node
= node
2290 v
.add
("PRINT_ERROR(\"Runtime error
: Abstract method
`%s` called on
`%s`\
", \"{mproperty.name.escape_to_c}\
", {cn});")
2295 if node
isa APropdef then
2296 var oldnode
= v
.current_node
2297 v
.current_node
= node
2298 self.compile_parameter_check
(v
, arguments
)
2299 node
.compile_to_c
(v
, self, arguments
)
2300 v
.current_node
= oldnode
2301 else if node
isa AClassdef then
2302 var oldnode
= v
.current_node
2303 v
.current_node
= node
2304 self.compile_parameter_check
(v
, arguments
)
2305 node
.compile_to_c
(v
, self, arguments
)
2306 v
.current_node
= oldnode
2307 else if val
!= null then
2308 v
.ret
(v
.value_instance
(val
))
2315 # Generate type checks in the C code to check covariant parameters
2316 fun compile_parameter_check
(v
: VISITOR, arguments
: Array[RuntimeVariable])
2318 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_covariance
.value
then return
2320 var msignature
= self.msignature
.as(not null)
2322 for i
in [0..msignature
.arity
[ do
2323 var mp
= msignature
.mparameters
[i
]
2324 # skip test for vararg since the array is instantiated with the correct polymorphic type
2325 if mp
.is_vararg
then continue
2327 # skip if the cast is not required
2328 var origmtype
= self.mproperty
.intro
.msignature
.mparameters
[i
].mtype
2329 if not origmtype
.need_anchor
then continue
2331 # get the parameter type
2332 var mtype
= mp
.mtype
2335 # note that v decides if and how to implements the cast
2336 v
.add
("/* Covariant cast for argument {i} ({mp.name}) {arguments[i+1].inspect} isa {mtype} */")
2337 v
.add_cast
(arguments
[i
+1], mtype
, "covariance")
2344 redef class APropdef
2345 fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
2347 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name} {mpropdef} at
{location.to_s}\\n\
");")
2348 debug
("Not yet implemented")
2351 fun can_inline
: Bool do return true
2354 redef class AMethPropdef
2355 redef fun compile_to_c
(v
, mpropdef
, arguments
)
2357 # Call the implicit super-init
2358 var auto_super_inits
= self.auto_super_inits
2359 if auto_super_inits
!= null then
2360 var args
= [arguments
.first
]
2361 for auto_super_init
in auto_super_inits
do
2362 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2364 for i
in [0..auto_super_init
.msignature
.arity
+1[ do
2365 args
.add
(arguments
[i
])
2367 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2368 v
.compile_callsite
(auto_super_init
, args
)
2371 if auto_super_call
then
2372 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
2375 # Try special compilation
2376 if mpropdef
.is_intern
then
2377 if compile_intern_to_c
(v
, mpropdef
, arguments
) then return
2379 if mpropdef
.is_extern
then
2380 if mpropdef
.mproperty
.is_init
then
2381 if compile_externinit_to_c
(v
, mpropdef
, arguments
) then return
2383 if compile_externmeth_to_c
(v
, mpropdef
, arguments
) then return
2387 # Compile block if any
2388 var n_block
= n_block
2389 if n_block
!= null then
2390 for i
in [0..mpropdef
.msignature
.arity
[ do
2391 var variable
= self.n_signature
.n_params
[i
].variable
.as(not null)
2392 v
.assign
(v
.variable
(variable
), arguments
[i
+1])
2400 var cn
= v
.class_name_string
(arguments
.first
)
2401 v
.add
("PRINT_ERROR(\"Runtime error
: uncompiled method
`%s` called on
`%s`. NOT YET IMPLEMENTED\
", \"{mpropdef.mproperty.name.escape_to_c}\
", {cn});")
2405 redef fun can_inline
2407 if self.auto_super_inits
!= null then return false
2408 var nblock
= self.n_block
2409 if nblock
== null then return true
2410 if (mpropdef
.mproperty
.name
== "==" or mpropdef
.mproperty
.name
== "!=") and mpropdef
.mclassdef
.mclass
.name
== "Object" then return true
2411 if nblock
isa ABlockExpr and nblock
.n_expr
.length
== 0 then return true
2415 fun compile_intern_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
2417 var pname
= mpropdef
.mproperty
.name
2418 var cname
= mpropdef
.mclassdef
.mclass
.name
2419 var ret
= mpropdef
.msignature
.return_mtype
2421 ret
= v
.resolve_for
(ret
, arguments
.first
)
2423 if pname
!= "==" and pname
!= "!=" then
2424 v
.adapt_signature
(mpropdef
, arguments
)
2425 v
.unbox_signature_extern
(mpropdef
, arguments
)
2427 if cname
== "Int" then
2428 if pname
== "output" then
2429 v
.add
("printf(\"%ld\\n\
", {arguments.first});")
2431 else if pname
== "object_id" then
2432 v
.ret
(arguments
.first
)
2434 else if pname
== "+" then
2435 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2437 else if pname
== "-" then
2438 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2440 else if pname
== "unary -" then
2441 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2443 else if pname
== "unary +" then
2446 else if pname
== "*" then
2447 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2449 else if pname
== "/" then
2450 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2452 else if pname
== "%" then
2453 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2455 else if pname
== "==" then
2456 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2458 else if pname
== "!=" then
2459 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2460 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2462 else if pname
== "<" then
2463 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2465 else if pname
== ">" then
2466 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2468 else if pname
== "<=" then
2469 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2471 else if pname
== ">=" then
2472 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2474 else if pname
== "to_i8" then
2475 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2477 else if pname
== "to_i16" then
2478 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2480 else if pname
== "to_u16" then
2481 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2483 else if pname
== "to_i32" then
2484 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2486 else if pname
== "to_u32" then
2487 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2489 else if pname
== "to_f" then
2490 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2492 else if pname
== "to_b" then
2493 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2495 else if pname
== "code_point" then
2496 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2498 else if pname
== "&" then
2499 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2501 else if pname
== "|" then
2502 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2504 else if pname
== ">>" then
2505 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2507 else if pname
== "<<" then
2508 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2511 else if cname
== "Char" then
2512 if pname
== "object_id" then
2513 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2515 else if pname
== "successor" then
2516 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2518 else if pname
== "predecessor" then
2519 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2521 else if pname
== "==" then
2522 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2524 else if pname
== "!=" then
2525 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2526 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2528 else if pname
== "<" then
2529 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2531 else if pname
== ">" then
2532 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2534 else if pname
== "<=" then
2535 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2537 else if pname
== ">=" then
2538 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2540 else if pname
== "to_i" then
2541 v
.ret
(v
.new_expr
("{arguments[0]}-'0'", ret
.as(not null)))
2543 else if pname
== "code_point" then
2544 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2547 else if cname
== "Byte" then
2548 if pname
== "output" then
2549 v
.add
("printf(\"%x\\n\
", {arguments.first});")
2551 else if pname
== "object_id" then
2552 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2554 else if pname
== "+" then
2555 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2557 else if pname
== "-" then
2558 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2560 else if pname
== "unary -" then
2561 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2563 else if pname
== "unary +" then
2566 else if pname
== "*" then
2567 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2569 else if pname
== "/" then
2570 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2572 else if pname
== "%" then
2573 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2575 else if pname
== "==" then
2576 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2578 else if pname
== "!=" then
2579 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2580 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2582 else if pname
== "<" then
2583 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2585 else if pname
== ">" then
2586 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2588 else if pname
== "<=" then
2589 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2591 else if pname
== ">=" then
2592 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2594 else if pname
== ">>" then
2595 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2597 else if pname
== "<<" then
2598 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2600 else if pname
== "&" then
2601 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2603 else if pname
== "to_i" then
2604 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2606 else if pname
== "to_f" then
2607 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2609 else if pname
== "to_i8" then
2610 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2612 else if pname
== "to_i16" then
2613 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2615 else if pname
== "to_u16" then
2616 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2618 else if pname
== "to_i32" then
2619 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2621 else if pname
== "to_u32" then
2622 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2624 else if pname
== "ascii" then
2625 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2628 else if cname
== "Bool" then
2629 if pname
== "output" then
2630 v
.add
("printf({arguments.first}?\"true\\n\
":\"false\\n\
");")
2632 else if pname
== "object_id" then
2633 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2635 else if pname
== "==" then
2636 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2638 else if pname
== "!=" then
2639 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2640 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2643 else if cname
== "Float" then
2644 if pname
== "output" then
2645 v
.add
("printf(\"%f\\n\
", {arguments.first});")
2647 else if pname
== "object_id" then
2648 v
.ret
(v
.new_expr
("(double){arguments.first}", ret
.as(not null)))
2650 else if pname
== "+" then
2651 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2653 else if pname
== "-" then
2654 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2656 else if pname
== "unary -" then
2657 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2659 else if pname
== "unary +" then
2662 else if pname
== "succ" then
2663 v
.ret
(v
.new_expr
("{arguments[0]}+1", ret
.as(not null)))
2665 else if pname
== "prec" then
2666 v
.ret
(v
.new_expr
("{arguments[0]}-1", ret
.as(not null)))
2668 else if pname
== "*" then
2669 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2671 else if pname
== "/" then
2672 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2674 else if pname
== "==" then
2675 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2677 else if pname
== "!=" then
2678 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2679 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2681 else if pname
== "<" then
2682 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2684 else if pname
== ">" then
2685 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2687 else if pname
== "<=" then
2688 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2690 else if pname
== ">=" then
2691 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2693 else if pname
== "to_i" then
2694 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2696 else if pname
== "to_b" then
2697 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2699 else if pname
== "to_i8" then
2700 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2702 else if pname
== "to_i16" then
2703 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2705 else if pname
== "to_u16" then
2706 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2708 else if pname
== "to_i32" then
2709 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2711 else if pname
== "to_u32" then
2712 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2715 else if cname
== "CString" then
2716 if pname
== "[]" then
2717 v
.ret
(v
.new_expr
("(unsigned char)((int){arguments[0]}[{arguments[1]}])", ret
.as(not null)))
2719 else if pname
== "[]=" then
2720 v
.add
("{arguments[0]}[{arguments[1]}]=(unsigned char){arguments[2]};")
2722 else if pname
== "copy_to" then
2723 v
.add
("memmove({arguments[1]}+{arguments[4]},{arguments[0]}+{arguments[3]},{arguments[2]});")
2725 else if pname
== "atoi" then
2726 v
.ret
(v
.new_expr
("atoi({arguments[0]});", ret
.as(not null)))
2728 else if pname
== "fast_cstring" then
2729 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2731 else if pname
== "==" then
2732 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2734 else if pname
== "!=" then
2735 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2736 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2738 else if pname
== "new" then
2739 var alloc
= v
.nit_alloc
(arguments
[1].to_s
, "CString")
2740 v
.ret
(v
.new_expr
("(char*){alloc}", ret
.as(not null)))
2742 else if pname
== "fetch_4_chars" then
2743 v
.ret
(v
.new_expr
("*((uint32_t*)({arguments[0]} + {arguments[1]}))", ret
.as(not null)))
2745 else if pname
== "fetch_4_hchars" then
2746 v
.ret
(v
.new_expr
("(uint32_t)be32toh(*((uint32_t*)({arguments[0]} + {arguments[1]})))", ret
.as(not null)))
2749 else if cname
== "NativeArray" then
2750 return v
.native_array_def
(pname
, ret
, arguments
)
2751 else if cname
== "Int8" then
2752 if pname
== "output" then
2753 v
.add
("printf(\"%\
"PRIi8 \"\\n\
", {arguments.first});")
2755 else if pname
== "object_id" then
2756 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2758 else if pname
== "+" then
2759 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2761 else if pname
== "-" then
2762 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2764 else if pname
== "unary -" then
2765 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2767 else if pname
== "unary +" then
2770 else if pname
== "*" then
2771 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2773 else if pname
== "/" then
2774 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2776 else if pname
== "%" then
2777 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2779 else if pname
== "<<" then
2780 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2782 else if pname
== ">>" then
2783 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2785 else if pname
== "==" then
2786 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2788 else if pname
== "!=" then
2789 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2790 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2792 else if pname
== "<" then
2793 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2795 else if pname
== ">" then
2796 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2798 else if pname
== "<=" then
2799 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2801 else if pname
== ">=" then
2802 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2804 else if pname
== "to_i" then
2805 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2807 else if pname
== "to_b" then
2808 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2810 else if pname
== "to_i16" then
2811 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2813 else if pname
== "to_u16" then
2814 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2816 else if pname
== "to_i32" then
2817 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2819 else if pname
== "to_u32" then
2820 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2822 else if pname
== "to_f" then
2823 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2825 else if pname
== "&" then
2826 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2828 else if pname
== "|" then
2829 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2831 else if pname
== "^" then
2832 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2834 else if pname
== "unary ~" then
2835 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2838 else if cname
== "Int16" then
2839 if pname
== "output" then
2840 v
.add
("printf(\"%\
"PRIi16 \"\\n\
", {arguments.first});")
2842 else if pname
== "object_id" then
2843 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2845 else if pname
== "+" then
2846 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2848 else if pname
== "-" then
2849 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2851 else if pname
== "unary -" then
2852 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2854 else if pname
== "unary +" then
2857 else if pname
== "*" then
2858 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2860 else if pname
== "/" then
2861 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2863 else if pname
== "%" then
2864 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2866 else if pname
== "<<" then
2867 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2869 else if pname
== ">>" then
2870 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2872 else if pname
== "==" then
2873 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2875 else if pname
== "!=" then
2876 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2877 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2879 else if pname
== "<" then
2880 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2882 else if pname
== ">" then
2883 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2885 else if pname
== "<=" then
2886 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2888 else if pname
== ">=" then
2889 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2891 else if pname
== "to_i" then
2892 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2894 else if pname
== "to_b" then
2895 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2897 else if pname
== "to_i8" then
2898 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2900 else if pname
== "to_u16" then
2901 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2903 else if pname
== "to_i32" then
2904 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2906 else if pname
== "to_u32" then
2907 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2909 else if pname
== "to_f" then
2910 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2912 else if pname
== "&" then
2913 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2915 else if pname
== "|" then
2916 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2918 else if pname
== "^" then
2919 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2921 else if pname
== "unary ~" then
2922 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2925 else if cname
== "UInt16" then
2926 if pname
== "output" then
2927 v
.add
("printf(\"%\
"PRIu16 \"\\n\
", {arguments.first});")
2929 else if pname
== "object_id" then
2930 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2932 else if pname
== "+" then
2933 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2935 else if pname
== "-" then
2936 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2938 else if pname
== "unary -" then
2939 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2941 else if pname
== "unary +" then
2944 else if pname
== "*" then
2945 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2947 else if pname
== "/" then
2948 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2950 else if pname
== "%" then
2951 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2953 else if pname
== "<<" then
2954 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2956 else if pname
== ">>" then
2957 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2959 else if pname
== "==" then
2960 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2962 else if pname
== "!=" then
2963 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2964 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2966 else if pname
== "<" then
2967 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2969 else if pname
== ">" then
2970 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2972 else if pname
== "<=" then
2973 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2975 else if pname
== ">=" then
2976 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2978 else if pname
== "to_i" then
2979 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2981 else if pname
== "to_b" then
2982 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2984 else if pname
== "to_i8" then
2985 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2987 else if pname
== "to_i16" then
2988 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2990 else if pname
== "to_i32" then
2991 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2993 else if pname
== "to_u32" then
2994 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2996 else if pname
== "to_f" then
2997 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2999 else if pname
== "&" then
3000 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
3002 else if pname
== "|" then
3003 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3005 else if pname
== "^" then
3006 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3008 else if pname
== "unary ~" then
3009 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3012 else if cname
== "Int32" then
3013 if pname
== "output" then
3014 v
.add
("printf(\"%\
"PRIi32 \"\\n\
", {arguments.first});")
3016 else if pname
== "object_id" then
3017 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3019 else if pname
== "+" then
3020 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
3022 else if pname
== "-" then
3023 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
3025 else if pname
== "unary -" then
3026 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
3028 else if pname
== "unary +" then
3031 else if pname
== "*" then
3032 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
3034 else if pname
== "/" then
3035 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
3037 else if pname
== "%" then
3038 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
3040 else if pname
== "<<" then
3041 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
3043 else if pname
== ">>" then
3044 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
3046 else if pname
== "==" then
3047 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3049 else if pname
== "!=" then
3050 var res
= v
.equal_test
(arguments
[0], arguments
[1])
3051 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
3053 else if pname
== "<" then
3054 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
3056 else if pname
== ">" then
3057 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
3059 else if pname
== "<=" then
3060 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
3062 else if pname
== ">=" then
3063 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
3065 else if pname
== "to_i" then
3066 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
3068 else if pname
== "to_b" then
3069 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
3071 else if pname
== "to_i8" then
3072 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
3074 else if pname
== "to_i16" then
3075 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
3077 else if pname
== "to_u16" then
3078 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
3080 else if pname
== "to_u32" then
3081 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
3083 else if pname
== "to_f" then
3084 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
3086 else if pname
== "&" then
3087 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
3089 else if pname
== "|" then
3090 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3092 else if pname
== "^" then
3093 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3095 else if pname
== "unary ~" then
3096 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3099 else if cname
== "UInt32" then
3100 if pname
== "output" then
3101 v
.add
("printf(\"%\
"PRIu32 \"\\n\
", {arguments.first});")
3103 else if pname
== "object_id" then
3104 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3106 else if pname
== "+" then
3107 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
3109 else if pname
== "-" then
3110 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
3112 else if pname
== "unary -" then
3113 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
3115 else if pname
== "unary +" then
3118 else if pname
== "*" then
3119 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
3121 else if pname
== "/" then
3122 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
3124 else if pname
== "%" then
3125 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
3127 else if pname
== "<<" then
3128 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
3130 else if pname
== ">>" then
3131 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
3133 else if pname
== "==" then
3134 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3136 else if pname
== "!=" then
3137 var res
= v
.equal_test
(arguments
[0], arguments
[1])
3138 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
3140 else if pname
== "<" then
3141 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
3143 else if pname
== ">" then
3144 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
3146 else if pname
== "<=" then
3147 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
3149 else if pname
== ">=" then
3150 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
3152 else if pname
== "to_i" then
3153 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
3155 else if pname
== "to_b" then
3156 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
3158 else if pname
== "to_i8" then
3159 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
3161 else if pname
== "to_i16" then
3162 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
3164 else if pname
== "to_u16" then
3165 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
3167 else if pname
== "to_i32" then
3168 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
3170 else if pname
== "to_f" then
3171 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
3173 else if pname
== "&" then
3174 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
3176 else if pname
== "|" then
3177 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3179 else if pname
== "^" then
3180 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3182 else if pname
== "unary ~" then
3183 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3187 if pname
== "exit" then
3188 v
.add
("exit((int){arguments[1]});")
3190 else if pname
== "sys" then
3191 v
.ret
(v
.new_expr
("glob_sys", ret
.as(not null)))
3193 else if pname
== "object_id" then
3194 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3196 else if pname
== "is_same_type" then
3197 v
.ret
(v
.is_same_type_test
(arguments
[0], arguments
[1]))
3199 else if pname
== "is_same_instance" then
3200 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3202 else if pname
== "output_class_name" then
3203 var nat
= v
.class_name_string
(arguments
.first
)
3204 v
.add
("printf(\"%s\\n\
", {nat});")
3206 else if pname
== "native_class_name" then
3207 var nat
= v
.class_name_string
(arguments
.first
)
3208 v
.ret
(v
.new_expr
("(char*){nat}", ret
.as(not null)))
3210 else if pname
== "force_garbage_collection" then
3211 v
.add
("nit_gcollect();")
3213 else if pname
== "native_argc" then
3214 v
.ret
(v
.new_expr
("glob_argc", ret
.as(not null)))
3216 else if pname
== "native_argv" then
3217 v
.ret
(v
.new_expr
("glob_argv[{arguments[1]}]", ret
.as(not null)))
3223 # Compile an extern method
3224 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3225 fun compile_externmeth_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3228 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3229 if at
!= null and at
.n_args
.length
== 1 then
3230 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3231 if externname
== null then return false
3235 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3236 var res
: nullable RuntimeVariable = null
3237 var ret
= mpropdef
.msignature
.return_mtype
3239 ret
= v
.resolve_for
(ret
, arguments
.first
)
3240 res
= v
.new_var_extern
(ret
)
3242 v
.adapt_signature
(mpropdef
, arguments
)
3243 v
.unbox_signature_extern
(mpropdef
, arguments
)
3246 v
.add
("{externname}({arguments.join(", ")});")
3248 v
.add
("{res} = {externname}({arguments.join(", ")});")
3249 res
= v
.box_extern
(res
, ret
.as(not null))
3255 # Compile an extern factory
3256 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3257 fun compile_externinit_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3260 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3262 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3263 if externname
== null then return false
3267 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3268 v
.adapt_signature
(mpropdef
, arguments
)
3269 v
.unbox_signature_extern
(mpropdef
, arguments
)
3270 var ret
= arguments
.first
.mtype
3271 var res
= v
.new_var_extern
(ret
)
3275 v
.add
("{res} = {externname}({arguments.join(", ")});")
3276 res
= v
.box_extern
(res
, ret
)
3282 redef class AAttrPropdef
3283 redef fun can_inline
: Bool do return not is_lazy
3285 redef fun compile_to_c
(v
, mpropdef
, arguments
)
3287 if mpropdef
== mreadpropdef
then
3288 assert arguments
.length
== 1
3289 var recv
= arguments
.first
3293 var ret
= self.mtype
3294 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3295 var guard
= self.mlazypropdef
.mproperty
3297 set
= v
.isset_attribute
(self.mpropdef
.mproperty
, recv
)
3299 set
= v
.read_attribute
(guard
, recv
)
3301 v
.add
("if(likely({set})) \{")
3302 res
= v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3305 var value
= evaluate_expr
(v
, recv
)
3307 v
.assign
(res
, value
)
3309 var true_v
= v
.bool_instance
(true)
3310 v
.write_attribute
(guard
, arguments
.first
, true_v
)
3314 res
= v
.read_attribute
(self.mpropdef
.mproperty
, arguments
.first
)
3316 v
.assign
(v
.frame
.returnvar
.as(not null), res
)
3317 else if mpropdef
== mwritepropdef
then
3318 assert arguments
.length
== 2
3319 var recv
= arguments
.first
3320 var arg
= arguments
[1]
3321 if is_optional
and v
.maybe_null
(arg
) then
3322 var value
= v
.new_var
(self.mpropdef
.static_mtype
.as(not null))
3323 v
.add
("if ({arg} == NULL) \{")
3324 v
.assign
(value
, evaluate_expr
(v
, recv
))
3326 v
.assign
(value
, arg
)
3330 v
.write_attribute
(self.mpropdef
.mproperty
, arguments
.first
, arg
)
3332 var ret
= self.mtype
3333 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3335 v
.write_attribute
(self.mlazypropdef
.mproperty
, arguments
.first
, v
.bool_instance
(true))
3343 fun init_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3345 if has_value
and not is_lazy
and not is_optional
and not n_expr
isa ANullExpr then evaluate_expr
(v
, recv
)
3348 # Evaluate, store and return the default value of the attribute
3349 private fun evaluate_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable): RuntimeVariable
3351 var oldnode
= v
.current_node
3352 v
.current_node
= self
3353 var old_frame
= v
.frame
3354 var frame
= new StaticFrame(v
, self.mreadpropdef
.as(not null), recv
.mcasttype
.undecorate
.as(MClassType), [recv
])
3358 var mtype
= self.mtype
3359 assert mtype
!= null
3361 var nexpr
= self.n_expr
3362 var nblock
= self.n_block
3363 if nexpr
!= null then
3364 value
= v
.expr
(nexpr
, mtype
)
3365 else if nblock
!= null then
3366 value
= v
.new_var
(mtype
)
3367 frame
.returnvar
= value
3368 frame
.returnlabel
= v
.get_name
("RET_LABEL")
3371 v
.add
("{frame.returnlabel.as(not null)}:(void)0;")
3377 v
.write_attribute
(self.mpropdef
.mproperty
, recv
, value
)
3380 v
.current_node
= oldnode
3385 fun check_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3387 var nexpr
= self.n_expr
3388 if nexpr
!= null then return
3390 var oldnode
= v
.current_node
3391 v
.current_node
= self
3392 var old_frame
= v
.frame
3393 var frame
= new StaticFrame(v
, self.mpropdef
.as(not null), recv
.mtype
.as(MClassType), [recv
])
3395 # Force read to check the initialization
3396 v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3398 v
.current_node
= oldnode
3402 redef class AClassdef
3403 private fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
3405 if mpropdef
.mproperty
.is_root_init
then
3406 assert arguments
.length
== 1
3407 if not mpropdef
.is_intro
then
3408 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
3418 # Try to compile self as an expression
3419 # Do not call this method directly, use `v.expr` instead
3420 private fun expr
(v
: AbstractCompilerVisitor): nullable RuntimeVariable
3422 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name}:{location.to_s}\\n\
");")
3423 var mtype
= self.mtype
3424 if mtype
== null then
3427 var res
= v
.new_var
(mtype
)
3428 v
.add
("/* {res} = NOT YET {class_name} */")
3433 # Try to compile self as a statement
3434 # Do not call this method directly, use `v.stmt` instead
3435 private fun stmt
(v
: AbstractCompilerVisitor)
3441 redef class ABlockExpr
3444 for e
in self.n_expr
do v
.stmt
(e
)
3448 var last
= self.n_expr
.last
3449 for e
in self.n_expr
do
3450 if e
== last
then break
3453 return v
.expr
(last
, null)
3457 redef class AVardeclExpr
3460 var variable
= self.variable
.as(not null)
3461 var ne
= self.n_expr
3463 var i
= v
.expr
(ne
, variable
.declared_type
)
3464 v
.assign
(v
.variable
(variable
), i
)
3469 redef class AVarExpr
3472 var res
= v
.variable
(self.variable
.as(not null))
3473 var mtype
= self.mtype
.as(not null)
3474 return v
.autoadapt
(res
, mtype
)
3478 redef class AVarAssignExpr
3481 var variable
= self.variable
.as(not null)
3482 var i
= v
.expr
(self.n_value
, variable
.declared_type
)
3483 v
.assign
(v
.variable
(variable
), i
)
3488 redef class AVarReassignExpr
3491 var variable
= self.variable
.as(not null)
3492 var vari
= v
.variable
(variable
)
3493 var value
= v
.expr
(self.n_value
, variable
.declared_type
)
3494 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [vari
, value
])
3496 v
.assign
(v
.variable
(variable
), res
)
3500 redef class ASelfExpr
3501 redef fun expr
(v
) do return v
.frame
.arguments
.first
3504 redef class AImplicitSelfExpr
3505 redef fun expr
(v
) do
3506 if not is_sys
then return super
3507 return v
.new_expr
("glob_sys", mtype
.as(not null))
3511 redef class AEscapeExpr
3512 redef fun stmt
(v
) do v
.add
("goto BREAK_{v.escapemark_name(self.escapemark)};")
3515 redef class AReturnExpr
3518 var nexpr
= self.n_expr
3519 if nexpr
!= null then
3520 var returnvar
= v
.frame
.returnvar
.as(not null)
3521 var i
= v
.expr
(nexpr
, returnvar
.mtype
)
3522 v
.assign
(returnvar
, i
)
3524 v
.add
("goto {v.frame.returnlabel.as(not null)};")
3528 redef class AAbortExpr
3529 redef fun stmt
(v
) do v
.add_abort
("Aborted")
3535 var cond
= v
.expr_bool
(self.n_expr
)
3536 v
.add
("if ({cond})\{")
3545 var res
= v
.new_var
(self.mtype
.as(not null))
3546 var cond
= v
.expr_bool
(self.n_expr
)
3547 v
.add
("if ({cond})\{")
3548 v
.assign
(res
, v
.expr
(self.n_then
.as(not null), null))
3550 v
.assign
(res
, v
.expr
(self.n_else
.as(not null), null))
3556 redef class AIfexprExpr
3559 var res
= v
.new_var
(self.mtype
.as(not null))
3560 var cond
= v
.expr_bool
(self.n_expr
)
3561 v
.add
("if ({cond})\{")
3562 v
.assign
(res
, v
.expr
(self.n_then
, null))
3564 v
.assign
(res
, v
.expr
(self.n_else
, null))
3573 if self.n_catch
!= null then
3575 v
.add
("struct catch_stack_t *catchStack = getCatchStack();")
3576 v
.add
("if(catchStack->currentSize == 0) \{")
3577 v
.add
(" catchStack->cursor = -1;")
3578 v
.add
(" catchStack->currentSize = 100;")
3579 v
.add
(" catchStack->envs = malloc(sizeof(jmp_buf)*100);")
3580 v
.add
("\} else if(catchStack->cursor == catchStack->currentSize - 1) \{")
3581 v
.add
(" catchStack->currentSize *= 2;")
3582 v
.add
(" catchStack->envs = realloc(catchStack->envs, sizeof(jmp_buf)*catchStack->currentSize);")
3584 v
.add
("catchStack->cursor += 1;")
3585 v
.add
("if(!setjmp(catchStack->envs[catchStack->cursor]))\{")
3586 v
.stmt
(self.n_block
)
3587 v
.add
("catchStack->cursor -= 1;")
3589 v
.add
("catchStack->cursor -= 1;")
3590 v
.stmt
(self.n_catch
)
3594 v
.stmt
(self.n_block
)
3596 v
.add_escape_label
(break_mark
)
3600 redef class AWhileExpr
3604 var cond
= v
.expr_bool
(self.n_expr
)
3605 v
.add
("if (!{cond}) break;")
3606 v
.stmt
(self.n_block
)
3607 v
.add_escape_label
(continue_mark
)
3609 v
.add_escape_label
(break_mark
)
3613 redef class ALoopExpr
3617 v
.stmt
(self.n_block
)
3618 v
.add_escape_label
(continue_mark
)
3620 v
.add_escape_label
(break_mark
)
3624 redef class AForExpr
3627 for g
in n_groups
do
3628 var cl
= v
.expr
(g
.n_expr
, null)
3629 var it_meth
= g
.method_iterator
3630 assert it_meth
!= null
3631 var it
= v
.compile_callsite
(it_meth
, [cl
])
3636 for g
in n_groups
do
3638 var isok_meth
= g
.method_is_ok
3639 assert isok_meth
!= null
3640 var ok
= v
.compile_callsite
(isok_meth
, [it
])
3642 v
.add
("if(!{ok}) break;")
3643 if g
.variables
.length
== 1 then
3644 var item_meth
= g
.method_item
3645 assert item_meth
!= null
3646 var i
= v
.compile_callsite
(item_meth
, [it
])
3648 v
.assign
(v
.variable
(g
.variables
.first
), i
)
3649 else if g
.variables
.length
== 2 then
3650 var key_meth
= g
.method_key
3651 assert key_meth
!= null
3652 var i
= v
.compile_callsite
(key_meth
, [it
])
3654 v
.assign
(v
.variable
(g
.variables
[0]), i
)
3655 var item_meth
= g
.method_item
3656 assert item_meth
!= null
3657 i
= v
.compile_callsite
(item_meth
, [it
])
3659 v
.assign
(v
.variable
(g
.variables
[1]), i
)
3664 v
.stmt
(self.n_block
)
3665 v
.add_escape_label
(continue_mark
)
3666 for g
in n_groups
do
3667 var next_meth
= g
.method_next
3668 assert next_meth
!= null
3669 v
.compile_callsite
(next_meth
, [g
.it
])
3672 v
.add_escape_label
(break_mark
)
3674 for g
in n_groups
do
3675 var method_finish
= g
.method_finish
3676 if method_finish
!= null then
3677 # TODO: Find a way to call this also in long escape (e.g. return)
3678 v
.compile_callsite
(method_finish
, [g
.it
])
3684 redef class AForGroup
3685 # C variable representing the iterator
3686 private var it
: RuntimeVariable is noinit
3689 redef class AAssertExpr
3692 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return
3694 var cond
= v
.expr_bool
(self.n_expr
)
3695 v
.add
("if (unlikely(!{cond})) \{")
3702 v
.add_abort
("Assert '{nid.text}' failed")
3704 v
.add_abort
("Assert failed")
3709 # Explain assert if it fails
3710 private fun explain_assert
(v
: AbstractCompilerVisitor)
3712 var explain_assert_str
= explain_assert_str
3713 if explain_assert_str
== null then return
3715 var nas
= v
.compiler
.modelbuilder
.model
.get_mclasses_by_name
("NativeArray")
3716 if nas
== null then return
3718 nas
= v
.compiler
.modelbuilder
.model
.get_mclasses_by_name
("Array")
3719 if nas
== null or nas
.is_empty
then return
3721 var expr
= explain_assert_str
.expr
(v
)
3722 if expr
== null then return
3724 var cstr
= v
.send
(v
.get_property
("to_cstring", expr
.mtype
), [expr
])
3725 if cstr
== null then return
3727 v
.add
"PRINT_ERROR(\"Runtime assert: %s\\n\
", {cstr});"
3734 var res
= v
.new_var
(self.mtype
.as(not null))
3735 var i1
= v
.expr_bool
(self.n_expr
)
3736 v
.add
("if ({i1}) \{")
3739 var i2
= v
.expr_bool
(self.n_expr2
)
3740 v
.add
("{res} = {i2};")
3746 redef class AImpliesExpr
3749 var res
= v
.new_var
(self.mtype
.as(not null))
3750 var i1
= v
.expr_bool
(self.n_expr
)
3751 v
.add
("if (!{i1}) \{")
3754 var i2
= v
.expr_bool
(self.n_expr2
)
3755 v
.add
("{res} = {i2};")
3761 redef class AAndExpr
3764 var res
= v
.new_var
(self.mtype
.as(not null))
3765 var i1
= v
.expr_bool
(self.n_expr
)
3766 v
.add
("if (!{i1}) \{")
3769 var i2
= v
.expr_bool
(self.n_expr2
)
3770 v
.add
("{res} = {i2};")
3776 redef class ANotExpr
3779 var cond
= v
.expr_bool
(self.n_expr
)
3780 return v
.new_expr
("!{cond}", self.mtype
.as(not null))
3784 redef class AOrElseExpr
3787 var res
= v
.new_var
(self.mtype
.as(not null))
3788 var i1
= v
.expr
(self.n_expr
, null)
3790 if not v
.maybe_null
(i1
) then return i1
3792 v
.add
("if ({i1}!=NULL) \{")
3795 var i2
= v
.expr
(self.n_expr2
, null)
3802 redef class AIntegerExpr
3803 redef fun expr
(v
) do
3804 if value
isa Int then return v
.int_instance
(value
.as(Int))
3805 if value
isa Byte then return v
.byte_instance
(value
.as(Byte))
3806 if value
isa Int8 then return v
.int8_instance
(value
.as(Int8))
3807 if value
isa Int16 then return v
.int16_instance
(value
.as(Int16))
3808 if value
isa UInt16 then return v
.uint16_instance
(value
.as(UInt16))
3809 if value
isa Int32 then return v
.int32_instance
(value
.as(Int32))
3810 if value
isa UInt32 then return v
.uint32_instance
(value
.as(UInt32))
3811 # Should never happen
3816 redef class AFloatExpr
3817 redef fun expr
(v
) do return v
.float_instance
("{self.n_float.text}") # FIXME use value, not n_float
3820 redef class ACharExpr
3821 redef fun expr
(v
) do
3822 if is_code_point
then
3823 return v
.int_instance
(value
.as(not null).code_point
)
3825 return v
.char_instance
(self.value
.as(not null))
3829 redef class AArrayExpr
3832 var mtype
= self.element_mtype
.as(not null)
3833 var array
= new Array[RuntimeVariable]
3834 var res
= v
.array_instance
(array
, mtype
)
3836 var old_comprehension
= v
.frame
.comprehension
3837 v
.frame
.comprehension
= res
3838 for nexpr
in self.n_exprs
do
3841 v
.frame
.comprehension
= old_comprehension
3847 redef class AugmentedStringFormExpr
3848 # Factorize the making of a `Regex` object from a literal prefixed string
3849 protected fun make_re
(v
: AbstractCompilerVisitor, rs
: RuntimeVariable): nullable RuntimeVariable do
3852 var res
= v
.compile_callsite
(re
, [rs
])
3854 print
"Cannot call property `to_re` on {self}"
3857 for i
in suffix
.chars
do
3859 var ign
= ignore_case
3861 v
.compile_callsite
(ign
, [res
, v
.bool_instance
(true)])
3867 v
.compile_callsite
(nl
, [res
, v
.bool_instance
(true)])
3873 v
.compile_callsite
(ext
, [res
, v
.bool_instance
(false)])
3876 # Should not happen, this needs to be updated
3877 # along with the addition of new suffixes
3884 redef class AStringFormExpr
3885 redef fun expr
(v
) do return v
.string_instance
(value
)
3888 redef class AStringExpr
3889 redef fun expr
(v
) do
3890 var s
= v
.string_instance
(value
)
3891 if is_string
then return s
3892 if is_bytestring
then
3893 var ns
= v
.c_string_instance
(bytes
.items
, bytes
.length
)
3894 var ln
= v
.int_instance
(bytes
.length
)
3895 var cs
= to_bytes_with_copy
3897 var res
= v
.compile_callsite
(cs
, [ns
, ln
])
3901 var res
= make_re
(v
, s
)
3905 print
"Unimplemented prefix or suffix for {self}"
3912 redef class ASuperstringExpr
3915 var type_string
= v
.mmodule
.string_type
3917 # Collect elements of the superstring
3918 var array
= new Array[AExpr]
3919 for ne
in self.n_exprs
do
3920 # Drop literal empty string.
3921 # They appears in things like "{a}" that is ["", a, ""]
3922 if ne
isa AStringFormExpr and ne
.value
== "" then continue # skip empty sub-strings
3926 # Store the allocated native array in a static variable
3928 var varonce
= v
.get_name
("varonce")
3929 v
.add
("if (unlikely({varonce}==NULL)) \{")
3931 # The native array that will contains the elements to_s-ized.
3932 # For fast concatenation.
3933 var a
= v
.native_array_instance
(type_string
, v
.int_instance
(array
.length
))
3935 v
.add_decl
("static {a.mtype.ctype} {varonce};")
3937 # Pre-fill the array with the literal string parts.
3938 # So they do not need to be filled again when reused
3939 for i
in [0..array
.length
[ do
3941 if not ne
isa AStringFormExpr then continue
3942 var e
= v
.expr
(ne
, null)
3943 v
.native_array_set
(a
, i
, e
)
3947 # Take the native-array from the store.
3948 # The point is to prevent that some recursive execution use (and corrupt) the same native array
3949 # WARNING: not thread safe! (FIXME?)
3950 v
.add
("{a} = {varonce};")
3951 v
.add
("{varonce} = NULL;")
3954 # Stringify the elements and put them in the native array
3955 var to_s_method
= v
.get_property
("to_s", v
.object_type
)
3956 for i
in [0..array
.length
[ do
3958 if ne
isa AStringFormExpr then continue
3959 var e
= v
.expr
(ne
, null)
3960 # Skip the `to_s` if the element is already a String
3961 if not e
.mcasttype
.is_subtype
(v
.compiler
.mainmodule
, null, type_string
) then
3962 e
= v
.send
(to_s_method
, [e
]).as(not null)
3964 v
.native_array_set
(a
, i
, e
)
3967 # Fast join the C string to get the result
3968 var res
= v
.send
(v
.get_property
("native_to_s", a
.mtype
), [a
])
3971 if is_re
then res
= make_re
(v
, res
)
3973 # We finish to work with the native array,
3974 # so store it so that it can be reused
3975 v
.add
("{varonce} = {a};")
3981 redef class ACrangeExpr
3984 var i1
= v
.expr
(self.n_expr
, null)
3985 var i2
= v
.expr
(self.n_expr2
, null)
3986 var mtype
= self.mtype
.as(MClassType)
3987 var res
= v
.init_instance
(mtype
)
3988 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
3993 redef class AOrangeExpr
3996 var i1
= v
.expr
(self.n_expr
, null)
3997 var i2
= v
.expr
(self.n_expr2
, null)
3998 var mtype
= self.mtype
.as(MClassType)
3999 var res
= v
.init_instance
(mtype
)
4000 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
4005 redef class ATrueExpr
4006 redef fun expr
(v
) do return v
.bool_instance
(true)
4009 redef class AFalseExpr
4010 redef fun expr
(v
) do return v
.bool_instance
(false)
4013 redef class ANullExpr
4014 redef fun expr
(v
) do return v
.null_instance
4017 redef class AIsaExpr
4020 var i
= v
.expr
(self.n_expr
, null)
4021 var cast_type
= self.cast_type
4022 if cast_type
== null then return null # no-no on broken node
4023 return v
.type_test
(i
, cast_type
, "isa")
4027 redef class AAsCastExpr
4030 var i
= v
.expr
(self.n_expr
, null)
4031 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
4033 v
.add_cast
(i
, self.mtype
.as(not null), "as")
4038 redef class AAsNotnullExpr
4041 var i
= v
.expr
(self.n_expr
, null)
4042 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
4044 if not v
.maybe_null
(i
) then return i
4046 v
.add
("if (unlikely({i} == NULL)) \{")
4047 v
.add_abort
("Cast failed")
4053 redef class AParExpr
4054 redef fun expr
(v
) do return v
.expr
(self.n_expr
, null)
4057 redef class AOnceExpr
4060 var mtype
= self.mtype
.as(not null)
4061 var name
= v
.get_name
("varonce")
4062 var guard
= v
.get_name
(name
+ "_guard")
4063 v
.add_decl
("static {mtype.ctype} {name};")
4064 v
.add_decl
("static int {guard};")
4065 var res
= v
.new_var
(mtype
)
4066 v
.add
("if (likely({guard})) \{")
4067 v
.add
("{res} = {name};")
4069 var i
= v
.expr
(self.n_expr
, mtype
)
4070 v
.add
("{res} = {i};")
4071 v
.add
("{name} = {res};")
4072 v
.add
("{guard} = 1;")
4078 redef class ASendExpr
4081 var recv
= v
.expr
(self.n_expr
, null)
4082 var callsite
= self.callsite
.as(not null)
4083 if callsite
.is_broken
then return null
4084 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
4085 return v
.compile_callsite
(callsite
, args
)
4089 redef class ASendReassignFormExpr
4092 var recv
= v
.expr
(self.n_expr
, null)
4093 var callsite
= self.callsite
.as(not null)
4094 if callsite
.is_broken
then return
4095 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
4097 var value
= v
.expr
(self.n_value
, null)
4099 var left
= v
.compile_callsite
(callsite
, args
)
4102 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [left
, value
])
4106 v
.compile_callsite
(self.write_callsite
.as(not null), args
)
4110 redef class ASuperExpr
4113 var frame
= v
.frame
.as(not null)
4114 var recv
= frame
.arguments
.first
4116 var callsite
= self.callsite
4117 if callsite
!= null then
4118 if callsite
.is_broken
then return null
4121 if self.n_args
.n_exprs
.is_empty
then
4122 # Add automatic arguments for the super init call
4124 for i
in [0..callsite
.msignature
.arity
[ do
4125 args
.add
(frame
.arguments
[i
+1])
4128 args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
4132 var res
= v
.compile_callsite
(callsite
, args
)
4136 var mpropdef
= self.mpropdef
.as(not null)
4139 if self.n_args
.n_exprs
.is_empty
then
4140 args
= frame
.arguments
4142 args
= v
.varargize
(mpropdef
, signaturemap
, recv
, self.n_args
.n_exprs
)
4145 # Standard call-next-method
4146 return v
.supercall
(mpropdef
, recv
.mtype
.as(MClassType), args
)
4150 redef class ANewExpr
4153 var mtype
= self.recvtype
4154 assert mtype
!= null
4156 if mtype
.mclass
.name
== "NativeArray" then
4157 assert self.n_args
.n_exprs
.length
== 1
4158 var l
= v
.expr
(self.n_args
.n_exprs
.first
, null)
4159 assert mtype
isa MGenericType
4160 var elttype
= mtype
.arguments
.first
4161 return v
.native_array_instance
(elttype
, l
)
4164 var callsite
= self.callsite
4165 if callsite
== null then return v
.init_instance_or_extern
(mtype
)
4166 if callsite
.is_broken
then return null
4169 # new factories are badly implemented.
4170 # They assume a stub temporary receiver exists.
4171 # This temporary receiver is required because it
4172 # currently holds the method and the formal types.
4174 # However, this object could be reused if the formal types are the same.
4175 # Therefore, the following code will `once` it in these case
4176 if callsite
.mproperty
.is_new
and not mtype
.need_anchor
then
4177 var name
= v
.get_name
("varoncenew")
4178 var guard
= v
.get_name
(name
+ "_guard")
4179 v
.add_decl
("static {mtype.ctype} {name};")
4180 v
.add_decl
("static int {guard};")
4181 recv
= v
.new_var
(mtype
)
4182 v
.add
("if (likely({guard})) \{")
4183 v
.add
("{recv} = {name};")
4185 var i
= v
.init_instance_or_extern
(mtype
)
4186 v
.add
("{recv} = {i};")
4187 v
.add
("{name} = {recv};")
4188 v
.add
("{guard} = 1;")
4191 recv
= v
.init_instance_or_extern
(mtype
)
4194 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
4195 var res2
= v
.compile_callsite
(callsite
, args
)
4196 if res2
!= null then
4197 #self.debug("got {res2} from {mproperty}. drop {recv}")
4204 redef class AAttrExpr
4207 var recv
= v
.expr
(self.n_expr
, null)
4208 var mproperty
= self.mproperty
.as(not null)
4209 return v
.read_attribute
(mproperty
, recv
)
4213 redef class AAttrAssignExpr
4216 var recv
= v
.expr
(self.n_expr
, null)
4217 var i
= v
.expr
(self.n_value
, null)
4218 var mproperty
= self.mproperty
.as(not null)
4219 v
.write_attribute
(mproperty
, recv
, i
)
4224 redef class AAttrReassignExpr
4227 var recv
= v
.expr
(self.n_expr
, null)
4228 var value
= v
.expr
(self.n_value
, null)
4229 var mproperty
= self.mproperty
.as(not null)
4230 var attr
= v
.read_attribute
(mproperty
, recv
)
4231 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [attr
, value
])
4233 v
.write_attribute
(mproperty
, recv
, res
)
4237 redef class AIssetAttrExpr
4240 var recv
= v
.expr
(self.n_expr
, null)
4241 var mproperty
= self.mproperty
.as(not null)
4242 return v
.isset_attribute
(mproperty
, recv
)
4246 redef class AVarargExpr
4249 return v
.expr
(self.n_expr
, null)
4253 redef class ANamedargExpr
4256 return v
.expr
(self.n_expr
, null)
4260 redef class ADebugTypeExpr
4269 redef class Array[E
]
4270 # Return a new `Array` with the elements only contened in self and not in `o`
4271 fun -(o
: Array[E
]): Array[E
] do
4272 var res
= new Array[E
]
4273 for e
in self do if not o
.has
(e
) then res
.add
(e
)
4279 # All `MProperty` associated to all `MClassDef` of `mclass`
4280 fun properties
(mclass
: MClass): Set[MProperty] do
4281 if not self.properties_cache
.has_key
(mclass
) then
4282 var properties
= new HashSet[MProperty]
4283 var parents
= new Array[MClass]
4284 if self.flatten_mclass_hierarchy
.has
(mclass
) then
4285 parents
.add_all
(mclass
.in_hierarchy
(self).direct_greaters
)
4287 for parent
in parents
do
4288 properties
.add_all
(self.properties
(parent
))
4290 for mclassdef
in mclass
.mclassdefs
do
4291 if not self.in_importation
<= mclassdef
.mmodule
then continue
4292 for mprop
in mclassdef
.intro_mproperties
do
4293 properties
.add
(mprop
)
4296 self.properties_cache
[mclass
] = properties
4298 return properties_cache
[mclass
]
4300 private var properties_cache
: Map[MClass, Set[MProperty]] = new HashMap[MClass, Set[MProperty]]
4302 # Write FFI and nitni results to file
4303 fun finalize_ffi
(c
: AbstractCompiler) do end
4305 # Give requided addinional system libraries (as given to LD_LIBS)
4306 # Note: can return null instead of an empty set
4307 fun collect_linker_libs
: nullable Array[String] do return null
4310 # Create a tool context to handle options and paths
4311 var toolcontext
= new ToolContext
4313 toolcontext
.tooldescription
= "Usage: nitc [OPTION]... file.nit...\nCompiles Nit programs."
4315 # We do not add other options, so process them now!
4316 toolcontext
.process_options
(args
)
4318 # We need a model to collect stufs
4319 var model
= new Model
4320 # An a model builder to parse files
4321 var modelbuilder
= new ModelBuilder(model
, toolcontext
)
4323 var arguments
= toolcontext
.option_context
.rest
4324 if toolcontext
.opt_run
.value
then
4325 # When --run, only the first is the program, the rest is the run arguments
4326 arguments
= [toolcontext
.option_context
.rest
.shift
]
4328 if arguments
.length
> 1 and toolcontext
.opt_output
.value
!= null then
4329 print
"Option Error: --output needs a single source file. Do you prefer --dir?"
4333 # Here we load an process all modules passed on the command line
4334 var mmodules
= modelbuilder
.parse
(arguments
)
4336 if mmodules
.is_empty
then toolcontext
.quit
4338 modelbuilder
.run_phases
4340 for mmodule
in mmodules
do
4341 toolcontext
.info
("*** PROCESS {mmodule} ***", 1)
4343 toolcontext
.run_global_phases
(ms
)