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 # Add compiling options
29 redef class ToolContext
31 var opt_output
= new OptionString("Filename of the generated executable", "-o", "--output")
33 var opt_dir
= new OptionString("Output directory", "--dir")
35 var opt_run
= new OptionBool("Execute the binary after the compilation", "--run")
37 var opt_no_cc
= new OptionBool("Do not invoke the C compiler", "--no-cc")
39 var opt_no_main
= new OptionBool("Do not generate main entry point", "--no-main")
41 var opt_make_flags
= new OptionString("Additional options to the `make` command", "--make-flags")
43 var opt_max_c_lines
= new OptionInt("Maximum number of lines in generated C files. Use 0 for unlimited", 10000, "--max-c-lines")
45 var opt_group_c_files
= new OptionBool("Group all generated code in the same series of files", "--group-c-files")
47 var opt_compile_dir
= new OptionString("Directory used to generate temporary files", "--compile-dir")
49 var opt_hardening
= new OptionBool("Generate contracts in the C code against bugs in the compiler", "--hardening")
50 # --no-check-covariance
51 var opt_no_check_covariance
= new OptionBool("Disable type tests of covariant parameters (dangerous)", "--no-check-covariance")
52 # --no-check-attr-isset
53 var opt_no_check_attr_isset
= new OptionBool("Disable isset tests before each attribute access (dangerous)", "--no-check-attr-isset")
55 var opt_no_check_assert
= new OptionBool("Disable the evaluation of explicit `assert` and `as` (dangerous)", "--no-check-assert")
57 var opt_no_check_autocast
= new OptionBool("Disable implicit casts on unsafe expression usage (dangerous)", "--no-check-autocast")
59 var opt_no_check_null
= new OptionBool("Disable tests of null receiver (dangerous)", "--no-check-null")
61 var opt_no_check_all
= new OptionBool("Disable all tests (dangerous)", "--no-check-all")
62 # --typing-test-metrics
63 var opt_typing_test_metrics
= new OptionBool("Enable static and dynamic count of all type tests", "--typing-test-metrics")
64 # --invocation-metrics
65 var opt_invocation_metrics
= new OptionBool("Enable static and dynamic count of all method invocations", "--invocation-metrics")
66 # --isset-checks-metrics
67 var opt_isset_checks_metrics
= new OptionBool("Enable static and dynamic count of isset checks before attributes access", "--isset-checks-metrics")
69 var opt_no_stacktrace
= new OptionBool("Disable the generation of stack traces", "--no-stacktrace")
71 var opt_no_gcc_directive
= new OptionArray("Disable advanced gcc directives for optimization", "--no-gcc-directive")
73 var opt_release
= new OptionBool("Compile in release mode and finalize application", "--release")
75 var opt_debug
= new OptionBool("Compile in debug mode (no C-side optimization)", "-g", "--debug")
80 self.option_context
.add_option
(self.opt_output
, self.opt_dir
, self.opt_run
, self.opt_no_cc
, self.opt_no_main
, self.opt_make_flags
, self.opt_compile_dir
, self.opt_hardening
)
81 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
)
82 self.option_context
.add_option
(self.opt_typing_test_metrics
, self.opt_invocation_metrics
, self.opt_isset_checks_metrics
)
83 self.option_context
.add_option
(self.opt_no_stacktrace
)
84 self.option_context
.add_option
(self.opt_no_gcc_directive
)
85 self.option_context
.add_option
(self.opt_release
)
86 self.option_context
.add_option
(self.opt_max_c_lines
, self.opt_group_c_files
)
87 self.option_context
.add_option
(self.opt_debug
)
89 opt_no_main
.hidden
= true
92 redef fun process_options
(args
)
96 if opt_output
.value
!= null and opt_dir
.value
!= null then
97 print
"Option Error: cannot use both --dir and --output"
101 if opt_no_check_all
.value
then
102 opt_no_check_covariance
.value
= true
103 opt_no_check_attr_isset
.value
= true
104 opt_no_check_assert
.value
= true
105 opt_no_check_autocast
.value
= true
106 opt_no_check_null
.value
= true
111 redef class ModelBuilder
112 # Simple indirection to `Toolchain::write_and_make`
113 protected fun write_and_make
(compiler
: AbstractCompiler)
115 var platform
= compiler
.target_platform
116 var toolchain
= platform
.toolchain
(toolcontext
, compiler
)
117 compiler
.toolchain
= toolchain
118 toolchain
.write_and_make
123 # The specific tool-chain associated to the platform
124 fun toolchain
(toolcontext
: ToolContext, compiler
: AbstractCompiler): Toolchain
126 return new MakefileToolchain(toolcontext
, compiler
)
130 # Build toolchain for a specific target program, varies per `Platform`
134 var toolcontext
: ToolContext
136 # Compiler of the target program
137 var compiler
: AbstractCompiler
139 # Directory where to generate all files
141 # The option `--compile_dir` change this directory.
142 fun root_compile_dir
: String
144 var compile_dir
= toolcontext
.opt_compile_dir
.value
145 if compile_dir
== null then compile_dir
= "nit_compile"
149 # Directory where to generate all C files
151 # By default it is `root_compile_dir` but some platform may require that it is a subdirectory.
152 fun compile_dir
: String do return root_compile_dir
154 # Write all C files and compile them
155 fun write_and_make
is abstract
158 # Default toolchain using a Makefile
159 class MakefileToolchain
162 redef fun write_and_make
164 var debug
= toolcontext
.opt_debug
.value
165 var compile_dir
= compile_dir
167 # Remove the compilation directory unless explicitly set
168 var auto_remove
= toolcontext
.opt_compile_dir
.value
== null
169 # If debug flag is set, do not remove sources
170 if debug
then auto_remove
= false
172 # Generate the .h and .c files
173 # A single C file regroups many compiled rumtime functions
174 # 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
176 self.toolcontext
.info
("*** WRITING C ***", 1)
178 root_compile_dir
.mkdir
181 var cfiles
= new Array[String]
182 write_files
(compile_dir
, cfiles
)
184 # Generate the Makefile
186 write_makefile
(compile_dir
, cfiles
)
189 self.toolcontext
.info
("*** END WRITING C: {time1-time0} ***", 2)
191 # Execute the Makefile
193 if self.toolcontext
.opt_no_cc
.value
then return
196 self.toolcontext
.info
("*** COMPILING C ***", 1)
198 compile_c_code
(compile_dir
)
201 sys
.system
("rm -r -- '{root_compile_dir.escape_to_sh}/'")
204 if toolcontext
.opt_run
.value
then
205 var mainmodule
= compiler
.mainmodule
206 var out
= outfile
(mainmodule
)
208 cmd
.append toolcontext
.option_context
.rest
209 toolcontext
.exec_and_check
(cmd
, "--run")
213 self.toolcontext
.info
("*** END COMPILING C: {time1-time0} ***", 2)
216 # Write all source files to the `compile_dir`
217 fun write_files
(compile_dir
: String, cfiles
: Array[String])
219 var platform
= compiler
.target_platform
220 if platform
.supports_libunwind
then compiler
.build_c_to_nit_bindings
221 var cc_opt_with_libgc
= "-DWITH_LIBGC"
222 if not platform
.supports_libgc
then cc_opt_with_libgc
= ""
224 # Add gc_choser.h to aditionnal bodies
225 var gc_chooser
= new ExternCFile("gc_chooser.c", cc_opt_with_libgc
)
226 if cc_opt_with_libgc
!= "" then gc_chooser
.pkgconfigs
.add
"bdw-gc"
227 compiler
.extern_bodies
.add
(gc_chooser
)
228 var clib
= toolcontext
.nit_dir
/ "clib"
229 compiler
.files_to_copy
.add
"{clib}/gc_chooser.c"
230 compiler
.files_to_copy
.add
"{clib}/gc_chooser.h"
233 for m
in compiler
.mainmodule
.in_importation
.greaters
do
234 compiler
.finalize_ffi_for_module
(m
)
237 # Copy original .[ch] files to compile_dir
238 for src
in compiler
.files_to_copy
do
239 var basename
= src
.basename
240 var dst
= "{compile_dir}/{basename}"
244 var hfilename
= compiler
.header
.file
.name
+ ".h"
245 var hfilepath
= "{compile_dir}/{hfilename}"
246 var h
= new FileWriter.open
(hfilepath
)
247 for l
in compiler
.header
.decl_lines
do
251 for l
in compiler
.header
.lines
do
257 var max_c_lines
= toolcontext
.opt_max_c_lines
.value
258 for f
in compiler
.files
do
261 var file
: nullable FileWriter = null
262 for vis
in f
.writers
do
263 if vis
== compiler
.header
then continue
264 var total_lines
= vis
.lines
.length
+ vis
.decl_lines
.length
265 if total_lines
== 0 then continue
267 if file
== null or (count
> max_c_lines
and max_c_lines
> 0) then
269 if file
!= null then file
.close
270 var cfilename
= "{f.name}.{i}.c"
271 var cfilepath
= "{compile_dir}/{cfilename}"
272 self.toolcontext
.info
("new C source files to compile: {cfilepath}", 3)
273 cfiles
.add
(cfilename
)
274 file
= new FileWriter.open
(cfilepath
)
275 file
.write
"#include \"{f.name}.0.h\
"\n"
278 for l
in vis
.decl_lines
do
282 for l
in vis
.lines
do
287 if file
== null then continue
290 var cfilename
= "{f.name}.0.h"
291 var cfilepath
= "{compile_dir}/{cfilename}"
292 var hfile
: nullable FileWriter = null
293 hfile
= new FileWriter.open
(cfilepath
)
294 hfile
.write
"#include \"{hfilename}\
"\n"
295 for key
in f
.required_declarations
do
296 if not compiler
.provided_declarations
.has_key
(key
) then
297 var node
= compiler
.requirers_of_declarations
.get_or_null
(key
)
299 node
.debug
"No provided declaration for {key}"
301 print
"No provided declaration for {key}"
305 hfile
.write compiler
.provided_declarations
[key
]
311 self.toolcontext
.info
("Total C source files to compile: {cfiles.length}", 2)
314 # Get the name of the Makefile to use
315 fun makefile_name
: String do return "{compiler.mainmodule.c_name}.mk"
317 # Get the default name of the executable to produce
318 fun default_outname
: String
320 var mainmodule
= compiler
.mainmodule
.first_real_mmodule
321 return mainmodule
.name
324 # Combine options and platform informations to get the final path of the outfile
325 fun outfile
(mainmodule
: MModule): String
327 var res
= self.toolcontext
.opt_output
.value
328 if res
!= null then return res
329 res
= default_outname
330 var dir
= self.toolcontext
.opt_dir
.value
331 if dir
!= null then return dir
.join_path
(res
)
336 fun write_makefile
(compile_dir
: String, cfiles
: Array[String])
338 var mainmodule
= compiler
.mainmodule
339 var platform
= compiler
.target_platform
341 var outname
= outfile
(mainmodule
)
343 var real_outpath
= compile_dir
.relpath
(outname
)
344 var outpath
= real_outpath
.escape_to_mk
345 if outpath
!= real_outpath
then
346 # If the name is crazy and need escaping, we will do an indirection
347 # 1. generate the binary in the nit_compile dir under an escaped name
348 # 2. copy the binary at the right place in the `all` goal.
349 outpath
= mainmodule
.c_name
351 var makename
= makefile_name
352 var makepath
= "{compile_dir}/{makename}"
353 var makefile
= new FileWriter.open
(makepath
)
355 var linker_options
= new HashSet[String]
356 for m
in mainmodule
.in_importation
.greaters
do
357 var libs
= m
.collect_linker_libs
358 if libs
!= null then linker_options
.add_all
(libs
)
360 var debug
= toolcontext
.opt_debug
.value
365 CFLAGS ?= -g {{{if not debug then "-O2" else ""}}} -Wno-unused-value -Wno-switch -Wno-attributes -Wno-trigraphs
368 LDLIBS ?= -lm {{{linker_options.join(" ")}}}
371 makefile
.write
"\n# SPECIAL CONFIGURATION FLAGS\n"
372 if platform
.supports_libunwind
then
373 if toolcontext
.opt_no_stacktrace
.value
then
374 makefile
.write
"NO_STACKTRACE ?= True"
376 makefile
.write
"NO_STACKTRACE ?= # Set to `True` to enable"
380 # Dynamic adaptations
381 # While `platform` enable complex toolchains, they are statically applied
382 # For a dynamic adaptsation of the compilation, the generated Makefile should check and adapt things itself
383 makefile
.write
"\n\n"
385 # Check and adapt the targeted system
386 makefile
.write
("uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')\n")
388 # Check and adapt for the compiler used
389 # clang need an additionnal `-Qunused-arguments`
390 makefile
.write
("clang_check := $(shell sh -c '$(CC) -v 2>&1 | grep -q clang; echo $$?')\nifeq ($(clang_check), 0)\n\tCFLAGS += -Qunused-arguments\nendif\n")
392 if platform
.supports_libunwind
then
394 ifneq ($(NO_STACKTRACE), True)
395 # Check and include lib-unwind in a portable way
396 ifneq ($(uname_S),Darwin)
397 # already included on macosx, but need to get the correct flags in other supported platforms.
398 ifeq ($(shell pkg-config --exists 'libunwind'; echo $$?), 0)
399 LDLIBS += `pkg-config --libs libunwind`
400 CFLAGS += `pkg-config --cflags libunwind`
402 $(warning "[_] stack-traces disabled. Please install libunwind-dev.")
403 CFLAGS += -D NO_STACKTRACE
407 # Stacktraces disabled
408 CFLAGS += -D NO_STACKTRACE
413 makefile
.write
("CFLAGS += -D NO_STACKTRACE\n\n")
417 # Special configuration for Darwin
418 ifeq ($(uname_S),Darwin)
419 # Remove POSIX flag -lrt
420 LDLIBS := $(filter-out -lrt,$(LDLIBS))
423 # Special configuration for Windows under mingw64
424 ifneq ($(findstring MINGW64,$(uname_S)),)
425 # Use the pcreposix regex library
426 LDLIBS += -lpcreposix
428 # Remove POSIX flag -lrt
429 LDLIBS := $(filter-out -lrt,$(LDLIBS))
431 # Silence warnings when storing Int, Char and Bool as pointer address
432 CFLAGS += -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast
437 makefile
.write
("all: {outpath}\n")
438 if outpath
!= real_outpath
then
439 makefile
.write
("\tcp -- {outpath.escape_to_sh} {real_outpath.escape_to_sh.replace("$","$$")}")
443 var ofiles
= new Array[String]
444 var dep_rules
= new Array[String]
445 # Compile each generated file
447 var o
= f
.strip_extension
(".c") + ".o"
448 makefile
.write
("{o}: {f}\n\t$(CC) $(CFLAGS) $(CINCL) -c -o {o} {f}\n\n")
453 # Generate linker script, if any
454 if not compiler
.linker_script
.is_empty
then
455 var linker_script_path
= "{compile_dir}/linker_script"
456 ofiles
.add
"linker_script"
457 var f
= new FileWriter.open
(linker_script_path
)
458 for l
in compiler
.linker_script
do
465 var java_files
= new Array[ExternFile]
467 var pkgconfigs
= new Array[String]
468 for f
in compiler
.extern_bodies
do
469 pkgconfigs
.add_all f
.pkgconfigs
472 if not pkgconfigs
.is_empty
then
474 # does pkg-config exists?
475 ifneq ($(shell which pkg-config >/dev/null; echo $$?), 0)
476 $(error "Command `pkg-config` not found. Please install it")
479 for p
in pkgconfigs
do
481 # Check for library {{{p}}}
482 ifneq ($(shell pkg-config --exists '{{{p}}}'; echo $$?), 0)
483 $(error "pkg-config: package {{{p}}} is not found.")
489 # Compile each required extern body into a specific .o
490 for f
in compiler
.extern_bodies
do
491 var o
= f
.makefile_rule_name
492 var ff
= f
.filename
.basename
493 makefile
.write
("{o}: {ff}\n")
494 makefile
.write
("\t{f.makefile_rule_content}\n\n")
495 dep_rules
.add
(f
.makefile_rule_name
)
497 if f
.compiles_to_o_file
then ofiles
.add
(o
)
498 if f
.add_to_jar
then java_files
.add
(f
)
501 if not java_files
.is_empty
then
502 var jar_file
= "{outpath}.jar"
504 var class_files_array
= new Array[String]
505 for f
in java_files
do class_files_array
.add
(f
.makefile_rule_name
)
506 var class_files
= class_files_array
.join
(" ")
508 makefile
.write
("{jar_file}: {class_files}\n")
509 makefile
.write
("\tjar cf {jar_file} {class_files}\n\n")
510 dep_rules
.add jar_file
515 if not pkgconfigs
.is_empty
then
516 pkg
= "`pkg-config --libs {pkgconfigs.join(" ")}`"
518 makefile
.write
("{outpath}: {dep_rules.join(" ")}\n\t$(CC) $(LDFLAGS) -o {outpath.escape_to_sh} {ofiles.join(" ")} $(LDLIBS) {pkg}\n\n")
520 makefile
.write
("clean:\n\trm {ofiles.join(" ")} 2>/dev/null\n")
521 if outpath
!= real_outpath
then
522 makefile
.write
("\trm -- {outpath.escape_to_sh} 2>/dev/null\n")
525 self.toolcontext
.info
("Generated makefile: {makepath}", 2)
527 makepath
.file_copy_to
"{compile_dir}/Makefile"
530 # The C code is generated, compile it to an executable
531 fun compile_c_code
(compile_dir
: String)
533 var makename
= makefile_name
535 var makeflags
= self.toolcontext
.opt_make_flags
.value
536 if makeflags
== null then makeflags
= ""
538 var command
= "make -B -C {compile_dir} -f {makename} -j 4 {makeflags}"
539 self.toolcontext
.info
(command
, 2)
542 if self.toolcontext
.verbose_level
>= 3 then
543 res
= sys
.system
("{command} 2>&1")
544 else if is_windows
then
545 res
= sys
.system
("{command} 2>&1 >nul")
547 res
= sys
.system
("{command} 2>&1 >/dev/null")
550 toolcontext
.error
(null, "Compilation Error: `make` failed with error code: {res}. The command was `{command}`.")
555 # Singleton that store the knowledge about the compilation process
556 abstract class AbstractCompiler
557 type VISITOR: AbstractCompilerVisitor
559 # Table corresponding c_names to nit names (methods)
560 var names
= new HashMap[String, String]
562 # The main module of the program currently compiled
563 # Is assigned during the separate compilation
564 var mainmodule
: MModule is writable
566 # The real main module of the program
567 var realmainmodule
: MModule is noinit
569 # The modelbuilder used to know the model and the AST
570 var modelbuilder
: ModelBuilder is protected writable
572 # The associated toolchain
574 # Set by `modelbuilder.write_and_make` and permit sub-routines to access the current toolchain if required.
575 var toolchain
: Toolchain is noinit
577 # Is hardening asked? (see --hardening)
578 fun hardening
: Bool do return self.modelbuilder
.toolcontext
.opt_hardening
.value
580 # The targeted specific platform
581 var target_platform
: Platform is noinit
585 self.realmainmodule
= mainmodule
586 target_platform
= mainmodule
.target_platform
or else new Platform
589 # Do the full code generation of the program `mainmodule`
590 # It is the main method usually called after the instantiation
591 fun do_compilation
is abstract
593 # Force the creation of a new file
594 # The point is to avoid contamination between must-be-compiled-separately files
595 fun new_file
(name
: String): CodeFile
597 if modelbuilder
.toolcontext
.opt_group_c_files
.value
then
598 if self.files
.is_empty
then
599 var f
= new CodeFile(mainmodule
.c_name
)
602 return self.files
.first
604 var f
= new CodeFile(name
)
609 # The list of all associated files
610 # Used to generate .c files
611 var files
= new Array[CodeFile]
613 # Initialize a visitor specific for a compiler engine
614 fun new_visitor
: VISITOR is abstract
616 # Where global declaration are stored (the main .h)
617 var header
: CodeWriter is writable, noinit
619 # Additionnal linker script for `ld`.
620 # Mainly used to do specific link-time symbol resolution
621 var linker_script
= new Array[String]
623 # Provide a declaration that can be requested (before or latter) by a visitor
624 fun provide_declaration
(key
: String, s
: String)
626 if self.provided_declarations
.has_key
(key
) then
627 assert self.provided_declarations
[key
] == s
629 self.provided_declarations
[key
] = s
632 private var provided_declarations
= new HashMap[String, String]
634 private var requirers_of_declarations
= new HashMap[String, ANode]
636 # Builds the .c and .h files to be used when generating a Stack Trace
637 # Binds the generated C function names to Nit function names
638 fun build_c_to_nit_bindings
640 var compile_dir
= toolchain
.compile_dir
642 var stream
= new FileWriter.open
("{compile_dir}/c_functions_hash.c")
643 stream
.write
("#include <string.h>\n")
644 stream
.write
("#include <stdlib.h>\n")
645 stream
.write
("#include \"c_functions_hash
.h\
"\n")
646 stream
.write
("typedef struct C_Nit_Names\{char* name; char* nit_name;\}C_Nit_Names;\n")
647 stream
.write
("const char* get_nit_name(register const char* procproc, register unsigned int len)\{\n")
648 stream
.write
("char* procname = malloc(len+1);")
649 stream
.write
("memcpy(procname, procproc, len);")
650 stream
.write
("procname[len] = '\\0';")
651 stream
.write
("static const C_Nit_Names map[{names.length}] = \{\n")
652 for i
in names
.keys
do
654 stream.write(i.escape_to_c)
655 stream.write("\
",\"")
656 stream.write(names[i].escape_to_c)
657 stream.write("\
"\},\n")
659 stream
.write
("\};\n")
660 stream
.write
("int i;")
661 stream
.write
("for(i = 0; i < {names.length}; i++)\{")
662 stream
.write
("if(strcmp(procname,map[i].name) == 0)\{")
663 stream
.write
("free(procname);")
664 stream
.write
("return map[i].nit_name;")
667 stream
.write
("free(procname);")
668 stream
.write
("return NULL;")
672 stream
= new FileWriter.open
("{compile_dir}/c_functions_hash.h")
673 stream
.write
("const char* get_nit_name(register const char* procname, register unsigned int len);\n")
676 extern_bodies
.add
(new ExternCFile("{compile_dir}/c_functions_hash.c", ""))
680 # This method call compile_header_strucs method that has to be refined
681 fun compile_header
do
682 self.header
.add_decl
("#include <stdlib.h>")
683 self.header
.add_decl
("#include <stdio.h>")
684 self.header
.add_decl
("#include <string.h>")
686 self.header
.add_decl
("#include <setjmp.h>\n")
687 self.header
.add_decl
("#include <sys/types.h>\n")
688 self.header
.add_decl
("#include <unistd.h>\n")
689 self.header
.add_decl
("#include <stdint.h>\n")
690 self.header
.add_decl
("#ifdef __linux__")
691 self.header
.add_decl
(" #include <endian.h>")
692 self.header
.add_decl
("#endif")
693 self.header
.add_decl
("#include <inttypes.h>\n")
694 self.header
.add_decl
("#include \"gc_chooser
.h\
"")
695 self.header
.add_decl
("#ifdef __APPLE__")
696 self.header
.add_decl
(" #include <TargetConditionals.h>")
697 self.header
.add_decl
(" #include <syslog.h>")
698 self.header
.add_decl
(" #include <libkern/OSByteOrder.h>")
699 self.header
.add_decl
(" #define be32toh(x) OSSwapBigToHostInt32(x)")
700 self.header
.add_decl
("#endif")
701 self.header
.add_decl
("#ifdef _WIN32")
702 self.header
.add_decl
(" #define be32toh(val) _byteswap_ulong(val)")
703 self.header
.add_decl
("#endif")
704 self.header
.add_decl
("#ifdef __pnacl__")
705 self.header
.add_decl
(" #define be16toh(val) (((val) >> 8) | ((val) << 8))")
706 self.header
.add_decl
(" #define be32toh(val) ((be16toh((val) << 16) | (be16toh((val) >> 16))))")
707 self.header
.add_decl
("#endif")
708 self.header
.add_decl
("#ifdef ANDROID")
709 self.header
.add_decl
(" #ifndef be32toh")
710 self.header
.add_decl
(" #define be32toh(val) betoh32(val)")
711 self.header
.add_decl
(" #endif")
712 self.header
.add_decl
(" #include <android/log.h>")
713 self.header
.add_decl
(" #define PRINT_ERROR(...) (void)__android_log_print(ANDROID_LOG_WARN, \"Nit\
", __VA_ARGS__)")
714 self.header
.add_decl
("#elif TARGET_OS_IPHONE")
715 self.header
.add_decl
(" #define PRINT_ERROR(...) syslog(LOG_ERR, __VA_ARGS__)")
716 self.header
.add_decl
("#else")
717 self.header
.add_decl
(" #define PRINT_ERROR(...) fprintf(stderr, __VA_ARGS__)")
718 self.header
.add_decl
("#endif")
720 compile_header_structs
721 compile_nitni_structs
724 var gccd_disable
= modelbuilder
.toolcontext
.opt_no_gcc_directive
.value
725 if gccd_disable
.has
("noreturn") or gccd_disable
.has
("all") then
726 # Signal handler function prototype
727 self.header
.add_decl
("void fatal_exit(int);")
729 self.header
.add_decl
("void fatal_exit(int) __attribute__ ((noreturn));")
732 if gccd_disable
.has
("likely") or gccd_disable
.has
("all") then
733 self.header
.add_decl
("#define likely(x) (x)")
734 self.header
.add_decl
("#define unlikely(x) (x)")
735 else if gccd_disable
.has
("correct-likely") then
736 # invert the `likely` definition
737 # Used by masochists to bench the worst case
738 self.header
.add_decl
("#define likely(x) __builtin_expect((x),0)")
739 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),1)")
741 self.header
.add_decl
("#define likely(x) __builtin_expect((x),1)")
742 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),0)")
745 # Global variable used by intern methods
746 self.header
.add_decl
("extern int glob_argc;")
747 self.header
.add_decl
("extern char **glob_argv;")
748 self.header
.add_decl
("extern val *glob_sys;")
751 # Stack stocking environment for longjumps
752 protected fun compile_catch_stack
do
753 self.header
.add_decl
"""
754 struct catch_stack_t {
758 extern struct catch_stack_t catchStack;
762 # Declaration of structures for live Nit types
763 protected fun compile_header_structs
is abstract
765 # Declaration of structures for nitni undelying the FFI
766 protected fun compile_nitni_structs
768 self.header
.add_decl
"""
769 /* Native reference to Nit objects */
770 /* This structure is used to represent every Nit type in extern methods and custom C code. */
772 struct nitni_ref *next,
773 *prev; /* adjacent global references in global list */
774 int count; /* number of time this global reference has been marked */
777 /* List of global references from C code to Nit objects */
778 /* Instanciated empty at init of Nit system and filled explicitly by user in C code */
779 struct nitni_global_ref_list_t {
780 struct nitni_ref *head, *tail;
782 extern struct nitni_global_ref_list_t *nitni_global_ref_list;
784 /* Initializer of global reference list */
785 extern void nitni_global_ref_list_init();
787 /* Intern function to add a global reference to the list */
788 extern void nitni_global_ref_add( struct nitni_ref *ref );
790 /* Intern function to remove a global reference from the list */
791 extern void nitni_global_ref_remove( struct nitni_ref *ref );
793 /* Increase count on an existing global reference */
794 extern void nitni_global_ref_incr( struct nitni_ref *ref );
796 /* Decrease count on an existing global reference */
797 extern void nitni_global_ref_decr( struct nitni_ref *ref );
801 fun compile_finalizer_function
803 var finalizable_type
= mainmodule
.finalizable_type
804 if finalizable_type
== null then return
806 var finalize_meth
= mainmodule
.try_get_primitive_method
("finalize", finalizable_type
.mclass
)
808 if finalize_meth
== null then
809 modelbuilder
.toolcontext
.error
(null, "Error: the `Finalizable` class does not declare the `finalize` method.")
813 var v
= self.new_visitor
814 v
.add_decl
"void gc_finalize (void *obj, void *client_data) \{"
815 var recv
= v
.new_expr
("obj", finalizable_type
)
816 v
.send
(finalize_meth
, [recv
])
820 # Hook to add specif piece of code before the the main C function.
822 # Is called by `compile_main_function`
823 fun compile_before_main
(v
: VISITOR)
827 # Hook to add specif piece of code at the begin on the main C function.
829 # Is called by `compile_main_function`
830 fun compile_begin_main
(v
: VISITOR)
834 # Generate the main C function.
838 # * allocate the Sys object if it exists
839 # * call init if is exists
840 # * call main if it exists
841 fun compile_main_function
843 var v
= self.new_visitor
844 v
.add_decl
("#include <signal.h>")
845 var platform
= target_platform
847 var no_main
= platform
.no_main
or modelbuilder
.toolcontext
.opt_no_main
.value
849 if platform
.supports_libunwind
then
850 v
.add_decl
("#ifndef NO_STACKTRACE")
851 v
.add_decl
("#define UNW_LOCAL_ONLY")
852 v
.add_decl
("#include <libunwind.h>")
853 v
.add_decl
("#include \"c_functions_hash
.h\
"")
856 v
.add_decl
("int glob_argc;")
857 v
.add_decl
("char **glob_argv;")
858 v
.add_decl
("val *glob_sys;")
859 v
.add_decl
("struct catch_stack_t catchStack;")
861 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
862 for tag
in count_type_test_tags
do
863 v
.add_decl
("long count_type_test_resolved_{tag};")
864 v
.add_decl
("long count_type_test_unresolved_{tag};")
865 v
.add_decl
("long count_type_test_skipped_{tag};")
866 v
.compiler
.header
.add_decl
("extern long count_type_test_resolved_{tag};")
867 v
.compiler
.header
.add_decl
("extern long count_type_test_unresolved_{tag};")
868 v
.compiler
.header
.add_decl
("extern long count_type_test_skipped_{tag};")
872 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
873 v
.add_decl
("long count_invoke_by_tables;")
874 v
.add_decl
("long count_invoke_by_direct;")
875 v
.add_decl
("long count_invoke_by_inline;")
876 v
.compiler
.header
.add_decl
("extern long count_invoke_by_tables;")
877 v
.compiler
.header
.add_decl
("extern long count_invoke_by_direct;")
878 v
.compiler
.header
.add_decl
("extern long count_invoke_by_inline;")
881 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
882 v
.add_decl
("long count_attr_reads = 0;")
883 v
.add_decl
("long count_isset_checks = 0;")
884 v
.compiler
.header
.add_decl
("extern long count_attr_reads;")
885 v
.compiler
.header
.add_decl
("extern long count_isset_checks;")
888 v
.add_decl
("static void show_backtrace(void) \{")
889 if platform
.supports_libunwind
then
890 v
.add_decl
("#ifndef NO_STACKTRACE")
891 v
.add_decl
("char* opt = getenv(\"NIT_NO_STACK\
");")
892 v
.add_decl
("unw_cursor_t cursor;")
893 v
.add_decl
("if(opt==NULL)\{")
894 v
.add_decl
("unw_context_t uc;")
895 v
.add_decl
("unw_word_t ip;")
896 v
.add_decl
("char* procname = malloc(sizeof(char) * 100);")
897 v
.add_decl
("unw_getcontext(&uc);")
898 v
.add_decl
("unw_init_local(&cursor, &uc);")
899 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
900 v
.add_decl
("PRINT_ERROR(\"-- Stack Trace ------------------------------\\n\
");")
901 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
902 v
.add_decl
("while (unw_step(&cursor) > 0) \{")
903 v
.add_decl
(" unw_get_proc_name(&cursor, procname, 100, &ip);")
904 v
.add_decl
(" const char* recv = get_nit_name(procname, strlen(procname));")
905 v
.add_decl
(" if (recv != NULL)\{")
906 v
.add_decl
(" PRINT_ERROR(\"` %s\\n\", recv);")
907 v.add_decl(" \}else\{")
908 v.add_decl(" PRINT_ERROR(\"` %s\\n\
", procname);")
911 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
912 v
.add_decl
("free(procname);")
914 v
.add_decl
("#endif /* NO_STACKTRACE */")
918 v
.add_decl
("void sig_handler(int signo)\{")
919 v
.add_decl
"#ifdef _WIN32"
920 v
.add_decl
"PRINT_ERROR(\"Caught signal
: %s\\n\
", signo);"
922 v
.add_decl
("PRINT_ERROR(\"Caught signal
: %s\\n\
", strsignal(signo));")
924 v
.add_decl
("show_backtrace();")
926 v
.add_decl
("signal(signo, SIG_DFL);")
927 v
.add_decl
"#ifndef _WIN32"
928 v
.add_decl
("kill(getpid(), signo);")
932 v
.add_decl
("void fatal_exit(int status) \{")
933 v
.add_decl
("show_backtrace();")
934 v
.add_decl
("exit(status);")
937 compile_before_main
(v
)
940 v
.add_decl
("int nit_main(int argc, char** argv) \{")
942 v
.add_decl
("int main(int argc, char** argv) \{")
945 compile_begin_main
(v
)
947 v
.add
"#if !defined(__ANDROID__) && !defined(TARGET_OS_IPHONE)"
948 v
.add
("signal(SIGABRT, sig_handler);")
949 v
.add
("signal(SIGFPE, sig_handler);")
950 v
.add
("signal(SIGILL, sig_handler);")
951 v
.add
("signal(SIGINT, sig_handler);")
952 v
.add
("signal(SIGTERM, sig_handler);")
953 v
.add
("signal(SIGSEGV, sig_handler);")
955 v
.add
"#ifndef _WIN32"
956 v
.add
("signal(SIGPIPE, SIG_IGN);")
959 v
.add
("glob_argc = argc; glob_argv = argv;")
960 v
.add
("catchStack.cursor = -1;")
961 v
.add
("initialize_gc_option();")
963 v
.add
"initialize_nitni_global_refs();"
965 var main_type
= mainmodule
.sys_type
966 if main_type
!= null then
967 var mainmodule
= v
.compiler
.mainmodule
968 var glob_sys
= v
.init_instance
(main_type
)
969 v
.add
("glob_sys = {glob_sys};")
970 var main_init
= mainmodule
.try_get_primitive_method
("init", main_type
.mclass
)
971 if main_init
!= null then
972 v
.send
(main_init
, [glob_sys
])
974 var main_method
= mainmodule
.try_get_primitive_method
("run", main_type
.mclass
) or else
975 mainmodule
.try_get_primitive_method
("main", main_type
.mclass
)
976 if main_method
!= null then
977 v
.send
(main_method
, [glob_sys
])
981 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
982 v
.add_decl
("long count_type_test_resolved_total = 0;")
983 v
.add_decl
("long count_type_test_unresolved_total = 0;")
984 v
.add_decl
("long count_type_test_skipped_total = 0;")
985 v
.add_decl
("long count_type_test_total_total = 0;")
986 for tag
in count_type_test_tags
do
987 v
.add_decl
("long count_type_test_total_{tag};")
988 v
.add
("count_type_test_total_{tag} = count_type_test_resolved_{tag} + count_type_test_unresolved_{tag} + count_type_test_skipped_{tag};")
989 v
.add
("count_type_test_resolved_total += count_type_test_resolved_{tag};")
990 v
.add
("count_type_test_unresolved_total += count_type_test_unresolved_{tag};")
991 v
.add
("count_type_test_skipped_total += count_type_test_skipped_{tag};")
992 v
.add
("count_type_test_total_total += count_type_test_total_{tag};")
994 v
.add
("printf(\"# dynamic count_type_test: total %l\\n\");")
995 v
.add
("printf(\"\\tresolved\\tunresolved\\tskipped\\ttotal\\n\
");")
996 var tags
= count_type_test_tags
.to_a
999 v
.add
("printf(\"{tag}\
");")
1000 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_resolved_{tag}, 100.0*count_type_test_resolved_{tag}/count_type_test_total_total);")
1001 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_unresolved_{tag}, 100.0*count_type_test_unresolved_{tag}/count_type_test_total_total);")
1002 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_skipped_{tag}, 100.0*count_type_test_skipped_{tag}/count_type_test_total_total);")
1003 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\\n\
", count_type_test_total_{tag}, 100.0*count_type_test_total_{tag}/count_type_test_total_total);")
1007 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
1008 v
.add_decl
("long count_invoke_total;")
1009 v
.add
("count_invoke_total = count_invoke_by_tables + count_invoke_by_direct + count_invoke_by_inline;")
1010 v
.add
("printf(\"# dynamic count_invocation: total %ld\\n\", count_invoke_total);")
1011 v
.add
("printf(\"by table
: %ld
(%.2f
%%)\\n\
", count_invoke_by_tables, 100.0*count_invoke_by_tables/count_invoke_total);")
1012 v
.add
("printf(\"direct
: %ld
(%.2f
%%)\\n\
", count_invoke_by_direct, 100.0*count_invoke_by_direct/count_invoke_total);")
1013 v
.add
("printf(\"inlined
: %ld
(%.2f
%%)\\n\
", count_invoke_by_inline, 100.0*count_invoke_by_inline/count_invoke_total);")
1016 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
1017 v
.add
("printf(\"# dynamic attribute reads: %ld\\n\", count_attr_reads);")
1018 v
.add
("printf(\"# dynamic isset checks: %ld\\n\", count_isset_checks);")
1024 for m
in mainmodule
.in_importation
.greaters
do
1025 var f
= "FILE_"+m
.c_name
1026 v
.add
"const char {f}[] = \"{m.location.file.filename.escape_to_c}\
";"
1027 provide_declaration
(f
, "extern const char {f}[];")
1031 # Copile all C functions related to the [incr|decr]_ref features of the FFI
1032 fun compile_nitni_global_ref_functions
1034 var v
= self.new_visitor
1036 struct nitni_global_ref_list_t *nitni_global_ref_list;
1037 void initialize_nitni_global_refs() {
1038 nitni_global_ref_list = (struct nitni_global_ref_list_t*)nit_alloc(sizeof(struct nitni_global_ref_list_t));
1039 nitni_global_ref_list->head = NULL;
1040 nitni_global_ref_list->tail = NULL;
1043 void nitni_global_ref_add( struct nitni_ref *ref ) {
1044 if ( nitni_global_ref_list->head == NULL ) {
1045 nitni_global_ref_list->head = ref;
1048 nitni_global_ref_list->tail->next = ref;
1049 ref->prev = nitni_global_ref_list->tail;
1051 nitni_global_ref_list->tail = ref;
1056 void nitni_global_ref_remove( struct nitni_ref *ref ) {
1057 if ( ref->prev == NULL ) {
1058 nitni_global_ref_list->head = ref->next;
1060 ref->prev->next = ref->next;
1063 if ( ref->next == NULL ) {
1064 nitni_global_ref_list->tail = ref->prev;
1066 ref->next->prev = ref->prev;
1070 extern void nitni_global_ref_incr( struct nitni_ref *ref ) {
1071 if ( ref->count == 0 ) /* not registered */
1074 nitni_global_ref_add( ref );
1080 extern void nitni_global_ref_decr( struct nitni_ref *ref ) {
1081 if ( ref->count == 1 ) /* was last reference */
1083 /* remove from list */
1084 nitni_global_ref_remove( ref );
1092 # List of additional files required to compile (FFI)
1093 var extern_bodies
= new Array[ExternFile]
1095 # List of source files to copy over to the compile dir
1096 var files_to_copy
= new Array[String]
1098 # This is used to avoid adding an extern file more than once
1099 private var seen_extern
= new ArraySet[String]
1101 # Generate code that initialize the attributes on a new instance
1102 fun generate_init_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1104 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1105 self.mainmodule
.linearize_mclassdefs
(cds
)
1107 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1108 npropdef
.init_expr
(v
, recv
)
1113 # Generate code that check if an attribute is correctly initialized
1114 fun generate_check_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1116 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1117 self.mainmodule
.linearize_mclassdefs
(cds
)
1119 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1120 npropdef
.check_expr
(v
, recv
)
1127 var count_type_test_tags
: Array[String] = ["isa", "as", "auto", "covariance", "erasure"]
1128 var count_type_test_resolved
: HashMap[String, Int] = init_count_type_test_tags
1129 var count_type_test_unresolved
: HashMap[String, Int] = init_count_type_test_tags
1130 var count_type_test_skipped
: HashMap[String, Int] = init_count_type_test_tags
1132 protected fun init_count_type_test_tags
: HashMap[String, Int]
1134 var res
= new HashMap[String, Int]
1135 for tag
in count_type_test_tags
do
1141 # Display stats about compilation process
1145 # * type tests against resolved types (`x isa Collection[Animal]`)
1146 # * type tests against unresolved types (`x isa Collection[E]`)
1147 # * type tests skipped
1148 # * type tests total
1151 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1152 print
"# static count_type_test"
1153 print
"\tresolved:\tunresolved\tskipped\ttotal"
1154 var count_type_test_total
= init_count_type_test_tags
1155 count_type_test_resolved
["total"] = 0
1156 count_type_test_unresolved
["total"] = 0
1157 count_type_test_skipped
["total"] = 0
1158 count_type_test_total
["total"] = 0
1159 for tag
in count_type_test_tags
do
1160 count_type_test_total
[tag
] = count_type_test_resolved
[tag
] + count_type_test_unresolved
[tag
] + count_type_test_skipped
[tag
]
1161 count_type_test_resolved
["total"] += count_type_test_resolved
[tag
]
1162 count_type_test_unresolved
["total"] += count_type_test_unresolved
[tag
]
1163 count_type_test_skipped
["total"] += count_type_test_skipped
[tag
]
1164 count_type_test_total
["total"] += count_type_test_total
[tag
]
1166 var count_type_test
= count_type_test_total
["total"]
1167 var tags
= count_type_test_tags
.to_a
1171 printn
"\t{count_type_test_resolved[tag]} ({div(count_type_test_resolved[tag],count_type_test)}%)"
1172 printn
"\t{count_type_test_unresolved[tag]} ({div(count_type_test_unresolved[tag],count_type_test)}%)"
1173 printn
"\t{count_type_test_skipped[tag]} ({div(count_type_test_skipped[tag],count_type_test)}%)"
1174 printn
"\t{count_type_test_total[tag]} ({div(count_type_test_total[tag],count_type_test)}%)"
1180 fun finalize_ffi_for_module
(mmodule
: MModule) do mmodule
.finalize_ffi
(self)
1183 # C code file generated from the `writers` and the `required_declarations`
1185 # A file unit aims to be autonomous and is made or one or more `CodeWriter`s.
1187 # Basename of the file, will be appended by `.h` and `.c`
1190 # `CodeWriter` used in sequence to fill the top of the body, then the bottom
1191 var writers
= new Array[CodeWriter]
1193 # Required declarations keys
1195 # See: `provide_declaration`
1196 var required_declarations
= new HashSet[String]
1199 # Store generated lines
1201 # Instances are added to `file.writers` at construction.
1206 # Main lines of code (written at the bottom of the body)
1207 var lines
= new Array[String]
1209 # Lines of code for declarations (written at the top of the body)
1210 var decl_lines
= new Array[String]
1212 # Add a line in the main lines of code (to `lines`)
1213 fun add
(s
: String) do self.lines
.add
(s
)
1215 # Add a declaration line (to `decl_lines`)
1217 # Used for local and global declaration.
1218 fun add_decl
(s
: String) do self.decl_lines
.add
(s
)
1222 file
.writers
.add
(self)
1226 # A visitor on the AST of property definition that generate the C code.
1227 abstract class AbstractCompilerVisitor
1229 type COMPILER: AbstractCompiler
1231 # The associated compiler
1232 var compiler
: COMPILER
1234 # The current visited AST node
1235 var current_node
: nullable ANode = null is writable
1237 # The current `StaticFrame`
1238 var frame
: nullable StaticFrame = null is writable
1240 # Alias for self.compiler.mainmodule.object_type
1241 fun object_type
: MClassType do return self.compiler
.mainmodule
.object_type
1243 # Alias for self.compiler.mainmodule.bool_type
1244 fun bool_type
: MClassType do return self.compiler
.mainmodule
.bool_type
1246 var writer
: CodeWriter is noinit
1250 self.writer
= new CodeWriter(compiler
.files
.last
)
1253 # Force to get the primitive property named `name` in the instance `recv` or abort
1254 fun get_property
(name
: String, recv
: MType): MMethod
1256 assert recv
isa MClassType
1257 return self.compiler
.modelbuilder
.force_get_primitive_method
(self.current_node
, name
, recv
.mclass
, self.compiler
.mainmodule
)
1260 fun compile_callsite
(callsite
: CallSite, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
1262 if callsite
.is_broken
then return null
1263 var initializers
= callsite
.mpropdef
.initializers
1264 if not initializers
.is_empty
then
1265 var recv
= arguments
.first
1268 for p
in initializers
do
1269 if p
isa MMethod then
1271 for x
in p
.intro
.msignature
.mparameters
do
1272 args
.add arguments
[i
]
1276 else if p
isa MAttribute then
1277 self.write_attribute
(p
, recv
, arguments
[i
])
1281 assert i
== arguments
.length
1283 return self.send
(callsite
.mproperty
, [recv
])
1286 return self.send
(callsite
.mproperty
, arguments
)
1289 fun native_array_instance
(elttype
: MType, length
: RuntimeVariable): RuntimeVariable is abstract
1291 fun native_array_def
(pname
: String, ret_type
: nullable MType, arguments
: Array[RuntimeVariable]): Bool do return false
1293 # Return an element of a native array.
1294 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1295 fun native_array_get
(native_array
: RuntimeVariable, index
: Int): RuntimeVariable is abstract
1297 # Store an element in a native array.
1298 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1299 fun native_array_set
(native_array
: RuntimeVariable, index
: Int, value
: RuntimeVariable) is abstract
1301 # Allocate `size` bytes with the low_level `nit_alloc` C function
1303 # This method can be redefined to inject statistic or tracing code.
1305 # `tag` if any, is used to mark the class of the allocated object.
1306 fun nit_alloc
(size
: String, tag
: nullable String): String
1308 return "nit_alloc({size})"
1311 # Evaluate `args` as expressions in the call of `mpropdef` on `recv`.
1312 # This method is used to manage varargs in signatures and returns the real array
1313 # of runtime variables to use in the call.
1314 fun varargize
(mpropdef
: MMethodDef, map
: nullable SignatureMap, recv
: RuntimeVariable, args
: SequenceRead[AExpr]): Array[RuntimeVariable]
1316 var msignature
= mpropdef
.new_msignature
or else mpropdef
.msignature
.as(not null)
1317 var res
= new Array[RuntimeVariable]
1320 if msignature
.arity
== 0 then return res
1323 assert args
.length
== msignature
.arity
1325 res
.add
self.expr
(ne
, null)
1330 # Eval in order of arguments, not parameters
1331 var exprs
= new Array[RuntimeVariable].with_capacity
(args
.length
)
1333 exprs
.add
self.expr
(ne
, null)
1336 # Fill `res` with the result of the evaluation according to the mapping
1337 for i
in [0..msignature
.arity
[ do
1338 var param
= msignature
.mparameters
[i
]
1339 var j
= map
.map
.get_or_null
(i
)
1342 res
.add
(null_instance
)
1345 if param
.is_vararg
and args
[i
].vararg_decl
> 0 then
1346 var vararg
= exprs
.sub
(j
, args
[i
].vararg_decl
)
1347 var elttype
= param
.mtype
1348 var arg
= self.vararg_instance
(mpropdef
, recv
, vararg
, elttype
)
1359 # Anchor a type to the main module and the current receiver
1360 fun anchor
(mtype
: MType): MType
1362 if not mtype
.need_anchor
then return mtype
1363 return mtype
.anchor_to
(self.compiler
.mainmodule
, self.frame
.receiver
)
1366 fun resolve_for
(mtype
: MType, recv
: RuntimeVariable): MType
1368 if not mtype
.need_anchor
then return mtype
1369 return mtype
.resolve_for
(recv
.mcasttype
, self.frame
.receiver
, self.compiler
.mainmodule
, true)
1372 # Unsafely cast a value to a new type
1373 # ie the result share the same C variable but my have a different mcasttype
1374 # NOTE: if the adaptation is useless then `value` is returned as it.
1375 # ENSURE: `result.name == value.name`
1376 fun autoadapt
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable
1378 mtype
= self.anchor
(mtype
)
1379 var valmtype
= value
.mcasttype
1381 # Do nothing if useless autocast
1382 if valmtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1386 # Just as_not_null if the target is not nullable.
1388 # eg `nullable PreciseType` adapted to `Object` gives precisetype.
1389 if valmtype
isa MNullableType and valmtype
.mtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1390 mtype
= valmtype
.mtype
1393 var res
= new RuntimeVariable(value
.name
, value
.mtype
, mtype
)
1397 # Generate a super call from a method definition
1398 fun supercall
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1400 # Adapt the arguments of a method according to targetted `MMethodDef`
1401 fun adapt_signature
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1403 # Unbox all the arguments of a method when implemented `extern` or `intern`
1404 fun unbox_signature_extern
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1406 # Box or unbox a value to another type iff a C type conversion is needed
1407 # ENSURE: `result.mtype.ctype == mtype.ctype`
1408 fun autobox
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1410 # Box extern classes to be used in the generated code
1411 fun box_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1413 # Unbox extern classes to be used in extern code (legacy NI and FFI)
1414 fun unbox_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1416 # Generate a polymorphic subtype test
1417 fun type_test
(value
: RuntimeVariable, mtype
: MType, tag
: String): RuntimeVariable is abstract
1419 # Generate the code required to dynamically check if 2 objects share the same runtime type
1420 fun is_same_type_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1422 # Generate a Nit "is" for two runtime_variables
1423 fun equal_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1427 # Generate a static call on a method definition
1428 fun call
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1430 # Generate a polymorphic send for the method `m` and the arguments `args`
1431 fun send
(m
: MMethod, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1433 # Generate a monomorphic send for the method `m`, the type `t` and the arguments `args`
1434 fun monomorphic_send
(m
: MMethod, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1436 assert t
isa MClassType
1437 var propdef
= m
.lookup_first_definition
(self.compiler
.mainmodule
, t
)
1438 return self.call
(propdef
, t
, args
)
1441 # Generate a monomorphic super send from the method `m`, the type `t` and the arguments `args`
1442 fun monomorphic_super_send
(m
: MMethodDef, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1444 assert t
isa MClassType
1445 m
= m
.lookup_next_definition
(self.compiler
.mainmodule
, t
)
1446 return self.call
(m
, t
, args
)
1449 # Attributes handling
1451 # Generate a polymorphic attribute is_set test
1452 fun isset_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1454 # Generate a polymorphic attribute read
1455 fun read_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1457 # Generate a polymorphic attribute write
1458 fun write_attribute
(a
: MAttribute, recv
: RuntimeVariable, value
: RuntimeVariable) is abstract
1462 # Can value be null? (according to current knowledge)
1463 fun maybe_null
(value
: RuntimeVariable): Bool
1465 return value
.mcasttype
isa MNullableType or value
.mcasttype
isa MNullType
1468 # Add a check and an abort for a null receiver if needed
1469 fun check_recv_notnull
(recv
: RuntimeVariable)
1471 if self.compiler
.modelbuilder
.toolcontext
.opt_no_check_null
.value
then return
1473 if maybe_null
(recv
) then
1474 self.add
("if (unlikely({recv} == NULL)) \{")
1475 self.add_abort
("Receiver is null")
1482 private var names
= new HashSet[String]
1483 private var last
: Int = 0
1485 # Return a new name based on `s` and unique in the visitor
1486 fun get_name
(s
: String): String
1488 if not self.names
.has
(s
) then
1492 var i
= self.last
+ 1
1495 if not self.names
.has
(s2
) then
1504 # Return an unique and stable identifier associated with an escapemark
1505 fun escapemark_name
(e
: nullable EscapeMark): String
1508 if frame
.escapemark_names
.has_key
(e
) then return frame
.escapemark_names
[e
]
1510 if name
== null then name
= "label"
1511 name
= get_name
(name
)
1512 frame
.escapemark_names
[e
] = name
1516 # Insert a C label for associated with an escapemark
1517 fun add_escape_label
(e
: nullable EscapeMark)
1519 if e
== null then return
1520 if e
.escapes
.is_empty
then return
1521 add
("BREAK_{escapemark_name(e)}: (void)0;")
1524 # Return a "const char*" variable associated to the classname of the dynamic type of an object
1525 # NOTE: we do not return a `RuntimeVariable` "CString" as the class may not exist in the module/program
1526 fun class_name_string
(value
: RuntimeVariable): String is abstract
1528 # Variables handling
1530 protected var variables
= new HashMap[Variable, RuntimeVariable]
1532 # Return the local runtime_variable associated to a Nit local variable
1533 fun variable
(variable
: Variable): RuntimeVariable
1535 if self.variables
.has_key
(variable
) then
1536 return self.variables
[variable
]
1538 var name
= self.get_name
("var_{variable.name}")
1539 var mtype
= variable
.declared_type
.as(not null)
1540 mtype
= self.anchor
(mtype
)
1541 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1542 self.add_decl
("{mtype.ctype} {name} /* var {variable}: {mtype} */;")
1543 self.variables
[variable
] = res
1548 # Return a new uninitialized local runtime_variable
1549 fun new_var
(mtype
: MType): RuntimeVariable
1551 mtype
= self.anchor
(mtype
)
1552 var name
= self.get_name
("var")
1553 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1554 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1558 # The difference with `new_var` is the C static type of the local variable
1559 fun new_var_extern
(mtype
: MType): RuntimeVariable
1561 mtype
= self.anchor
(mtype
)
1562 var name
= self.get_name
("var")
1563 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1564 self.add_decl
("{mtype.ctype_extern} {name} /* : {mtype} for extern */;")
1568 # Return a new uninitialized named runtime_variable
1569 fun new_named_var
(mtype
: MType, name
: String): RuntimeVariable
1571 mtype
= self.anchor
(mtype
)
1572 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1573 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1577 # Correctly assign a left and a right value
1578 # Boxing and unboxing is performed if required
1579 fun assign
(left
, right
: RuntimeVariable)
1581 right
= self.autobox
(right
, left
.mtype
)
1582 self.add
("{left} = {right};")
1585 # Generate instances
1587 # Generate a alloc-instance + init-attributes
1588 fun init_instance
(mtype
: MClassType): RuntimeVariable is abstract
1590 # Allocate and init attributes of an instance of a standard or extern class
1592 # Does not support universals and the pseudo-internal `NativeArray` class.
1593 fun init_instance_or_extern
(mtype
: MClassType): RuntimeVariable
1596 var ctype
= mtype
.ctype
1597 assert mtype
.mclass
.name
!= "NativeArray"
1598 if not mtype
.is_c_primitive
then
1599 recv
= init_instance
(mtype
)
1600 else if ctype
== "char*" then
1601 recv
= new_expr
("NULL/*special!*/", mtype
)
1603 recv
= new_expr
("({ctype})0/*special!*/", mtype
)
1608 # Set a GC finalizer on `recv`, only if `recv` isa Finalizable
1609 fun set_finalizer
(recv
: RuntimeVariable)
1611 var mtype
= recv
.mtype
1612 var finalizable_type
= compiler
.mainmodule
.finalizable_type
1613 if finalizable_type
!= null and not mtype
.need_anchor
and
1614 mtype
.is_subtype
(compiler
.mainmodule
, null, finalizable_type
) then
1615 add
"gc_register_finalizer({recv});"
1619 # The currently processed module
1621 # alias for `compiler.mainmodule`
1622 fun mmodule
: MModule do return compiler
.mainmodule
1624 # Generate an integer value
1625 fun int_instance
(value
: Int): RuntimeVariable
1627 var t
= mmodule
.int_type
1628 var res
= new RuntimeVariable("{value.to_s}l", t
, t
)
1632 # Generate a byte value
1633 fun byte_instance
(value
: Byte): RuntimeVariable
1635 var t
= mmodule
.byte_type
1636 var res
= new RuntimeVariable("((unsigned char){value.to_s})", t
, t
)
1640 # Generate an int8 value
1641 fun int8_instance
(value
: Int8): RuntimeVariable
1643 var t
= mmodule
.int8_type
1644 var res
= new RuntimeVariable("INT8_C({value.to_s})", t
, t
)
1648 # Generate an int16 value
1649 fun int16_instance
(value
: Int16): RuntimeVariable
1651 var t
= mmodule
.int16_type
1652 var res
= new RuntimeVariable("INT16_C({value.to_s})", t
, t
)
1656 # Generate a uint16 value
1657 fun uint16_instance
(value
: UInt16): RuntimeVariable
1659 var t
= mmodule
.uint16_type
1660 var res
= new RuntimeVariable("UINT16_C({value.to_s})", t
, t
)
1664 # Generate an int32 value
1665 fun int32_instance
(value
: Int32): RuntimeVariable
1667 var t
= mmodule
.int32_type
1668 var res
= new RuntimeVariable("INT32_C({value.to_s})", t
, t
)
1672 # Generate a uint32 value
1673 fun uint32_instance
(value
: UInt32): RuntimeVariable
1675 var t
= mmodule
.uint32_type
1676 var res
= new RuntimeVariable("UINT32_C({value.to_s})", t
, t
)
1680 # Generate a char value
1681 fun char_instance
(value
: Char): RuntimeVariable
1683 var t
= mmodule
.char_type
1685 if value
.code_point
< 128 then
1686 return new RuntimeVariable("'{value.to_s.escape_to_c}'", t
, t
)
1688 return new RuntimeVariable("{value.code_point}", t
, t
)
1692 # Generate a float value
1694 # FIXME pass a Float, not a string
1695 fun float_instance
(value
: String): RuntimeVariable
1697 var t
= mmodule
.float_type
1698 var res
= new RuntimeVariable("{value}", t
, t
)
1702 # Generate an integer value
1703 fun bool_instance
(value
: Bool): RuntimeVariable
1705 var s
= if value
then "1" else "0"
1706 var res
= new RuntimeVariable(s
, bool_type
, bool_type
)
1710 # Generate the `null` value
1711 fun null_instance
: RuntimeVariable
1713 var t
= compiler
.mainmodule
.model
.null_type
1714 var res
= new RuntimeVariable("((val*)NULL)", t
, t
)
1718 # Generates a CString instance fully escaped in C-style \xHH fashion
1719 fun c_string_instance
(ns
: CString, len
: Int): RuntimeVariable do
1720 var mtype
= mmodule
.c_string_type
1721 var nat
= new_var
(mtype
)
1722 var byte_esc
= new Buffer.with_cap
(len
* 4)
1723 for i
in [0 .. len
[ do
1724 byte_esc
.append
("\\x{ns[i].to_s.substring_from(2)}")
1726 self.add
("{nat} = \"{byte_esc}\
";")
1730 # Generate a string value
1731 fun string_instance
(string
: String): RuntimeVariable
1733 var mtype
= mmodule
.string_type
1734 var name
= self.get_name
("varonce")
1735 self.add_decl
("static {mtype.ctype} {name};")
1736 var res
= self.new_var
(mtype
)
1737 self.add
("if (likely({name}!=NULL)) \{")
1738 self.add
("{res} = {name};")
1739 self.add
("\} else \{")
1740 var native_mtype
= mmodule
.c_string_type
1741 var nat
= self.new_var
(native_mtype
)
1742 self.add
("{nat} = \"{string.escape_to_c}\
";")
1743 var byte_length
= self.int_instance
(string
.byte_length
)
1744 var unilen
= self.int_instance
(string
.length
)
1745 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)};")
1746 self.add
("{name} = {res};")
1751 fun value_instance
(object
: Object): RuntimeVariable
1753 if object
isa Int then
1754 return int_instance
(object
)
1755 else if object
isa Bool then
1756 return bool_instance
(object
)
1757 else if object
isa String then
1758 return string_instance
(object
)
1764 # Generate an array value
1765 fun array_instance
(array
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1767 # Get an instance of a array for a vararg
1768 fun vararg_instance
(mpropdef
: MPropDef, recv
: RuntimeVariable, varargs
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1772 # Add a line in the main part of the generated C
1773 fun add
(s
: String) do self.writer
.lines
.add
(s
)
1776 # (used for local or global declaration)
1777 fun add_decl
(s
: String) do self.writer
.decl_lines
.add
(s
)
1779 # Request the presence of a global declaration
1780 fun require_declaration
(key
: String)
1782 var reqs
= self.writer
.file
.required_declarations
1783 if reqs
.has
(key
) then return
1785 var node
= current_node
1786 if node
!= null then compiler
.requirers_of_declarations
[key
] = node
1789 # Add a declaration in the local-header
1790 # The declaration is ensured to be present once
1791 fun declare_once
(s
: String)
1793 self.compiler
.provide_declaration
(s
, s
)
1794 self.require_declaration
(s
)
1797 # Look for a needed .h and .c file for a given module
1798 # This is used for the legacy FFI
1799 fun add_extern
(mmodule
: MModule)
1801 var file
= mmodule
.filepath
1802 file
= file
.strip_extension
(".nit")
1803 var tryfile
= file
+ ".nit.h"
1804 if tryfile
.file_exists
then
1805 self.declare_once
("#include \"{tryfile.basename}\
"")
1806 self.compiler
.files_to_copy
.add
(tryfile
)
1808 tryfile
= file
+ "_nit.h"
1809 if tryfile
.file_exists
then
1810 self.declare_once
("#include \"{tryfile.basename}\
"")
1811 self.compiler
.files_to_copy
.add
(tryfile
)
1814 if self.compiler
.seen_extern
.has
(file
) then return
1815 self.compiler
.seen_extern
.add
(file
)
1816 tryfile
= file
+ ".nit.c"
1817 if not tryfile
.file_exists
then
1818 tryfile
= file
+ "_nit.c"
1819 if not tryfile
.file_exists
then return
1821 var f
= new ExternCFile(tryfile
.basename
, "")
1822 self.compiler
.extern_bodies
.add
(f
)
1823 self.compiler
.files_to_copy
.add
(tryfile
)
1826 # Return a new local runtime_variable initialized with the C expression `cexpr`.
1827 fun new_expr
(cexpr
: String, mtype
: MType): RuntimeVariable
1829 var res
= new_var
(mtype
)
1830 self.add
("{res} = {cexpr};")
1834 # Generate generic abort
1835 # used by aborts, asserts, casts, etc.
1836 fun add_abort
(message
: String)
1839 self.add
("PRINT_ERROR(\"Runtime error
: %s\
", \"{message.escape_to_c}\
");")
1843 # Generate a long jump if there is a catch block.
1845 # This method should be called before the error messages and before a `add_raw_abort`.
1848 self.add
("if(catchStack.cursor >= 0)\{")
1849 self.add
("longjmp(catchStack.envs[catchStack.cursor], 1);")
1853 # Generate abort without a message.
1855 # Used when one need a more complex message.
1856 # Do not forget to call `add_raw_abort` before the display of a custom user message.
1859 var current_node
= self.current_node
1860 if current_node
!= null and current_node
.location
.file
!= null and
1861 current_node
.location
.file
.mmodule
!= null then
1862 var f
= "FILE_{self.current_node.location.file.mmodule.c_name}"
1863 self.require_declaration
(f
)
1864 self.add
("PRINT_ERROR(\" (%s
:%d
)\\n\
", {f}, {current_node.location.line_start});")
1866 self.add
("PRINT_ERROR(\"\\n\
");")
1868 self.add
("fatal_exit(1);")
1871 # Add a dynamic cast
1872 fun add_cast
(value
: RuntimeVariable, mtype
: MType, tag
: String)
1874 var res
= self.type_test
(value
, mtype
, tag
)
1875 self.add
("if (unlikely(!{res})) \{")
1877 var cn
= self.class_name_string
(value
)
1878 self.add
("PRINT_ERROR(\"Runtime error
: Cast failed
. Expected `%s`, got
`%s`\
", \"{mtype.to_s.escape_to_c}\
", {cn});")
1883 # Generate a return with the value `s`
1884 fun ret
(s
: RuntimeVariable)
1886 self.assign
(self.frame
.returnvar
.as(not null), s
)
1887 self.add
("goto {self.frame.returnlabel.as(not null)};")
1890 # Compile a statement (if any)
1891 fun stmt
(nexpr
: nullable AExpr)
1893 if nexpr
== null then return
1894 if nexpr
.is_broken
then
1895 # Untyped expression.
1896 # Might mean dead code or invalid code
1898 add_abort
("FATAL: bad statement executed.")
1902 var narray
= nexpr
.comprehension
1903 if narray
!= null then
1904 var recv
= frame
.comprehension
.as(not null)
1905 var val
= expr
(nexpr
, narray
.element_mtype
)
1906 compile_callsite
(narray
.push_callsite
.as(not null), [recv
, val
])
1910 var old
= self.current_node
1911 self.current_node
= nexpr
1913 self.current_node
= old
1916 # Compile an expression an return its result
1917 # `mtype` is the expected return type, pass null if no specific type is expected.
1918 fun expr
(nexpr
: AExpr, mtype
: nullable MType): RuntimeVariable
1920 var old
= self.current_node
1921 self.current_node
= nexpr
1924 if nexpr
.mtype
!= null then
1925 res
= nexpr
.expr
(self)
1929 # Untyped expression.
1930 # Might mean dead code or invalid code.
1932 add_abort
("FATAL: bad expression executed.")
1933 # and return a placebo result to please the C compiler
1934 if mtype
== null then mtype
= compiler
.mainmodule
.object_type
1935 res
= new_var
(mtype
)
1937 self.current_node
= old
1941 if mtype
!= null then
1942 mtype
= self.anchor
(mtype
)
1943 res
= self.autobox
(res
, mtype
)
1945 res
= autoadapt
(res
, nexpr
.mtype
.as(not null))
1946 var implicit_cast_to
= nexpr
.implicit_cast_to
1947 if implicit_cast_to
!= null and not self.compiler
.modelbuilder
.toolcontext
.opt_no_check_autocast
.value
then
1948 add_cast
(res
, implicit_cast_to
, "auto")
1949 res
= autoadapt
(res
, implicit_cast_to
)
1951 self.current_node
= old
1955 # Alias for `self.expr(nexpr, self.bool_type)`
1956 fun expr_bool
(nexpr
: AExpr): RuntimeVariable do return expr
(nexpr
, bool_type
)
1958 # Safely show a debug message on the current node and repeat the message in the C code as a comment
1959 fun debug
(message
: String)
1961 var node
= self.current_node
1962 if node
== null then
1963 print
"?: {message}"
1967 self.add
("/* DEBUG: {message} */")
1971 # A C function associated to a Nit method
1972 # Because of customization, a given Nit method can be compiler more that once
1973 abstract class AbstractRuntimeFunction
1975 type COMPILER: AbstractCompiler
1976 type VISITOR: AbstractCompilerVisitor
1978 # The associated Nit method
1979 var mmethoddef
: MMethodDef
1981 # The mangled c name of the runtime_function
1982 # Subclasses should redefine `build_c_name` instead
1985 var res
= self.c_name_cache
1986 if res
!= null then return res
1987 res
= self.build_c_name
1988 self.c_name_cache
= res
1992 # Non cached version of `c_name`
1993 protected fun build_c_name
: String is abstract
1995 protected var c_name_cache
: nullable String = null is writable
1997 # Implements a call of the runtime_function
1998 # May inline the body or generate a C function call
1999 fun call
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
2001 # Generate the code for the `AbstractRuntimeFunction`
2002 # Warning: compile more than once compilation makes CC unhappy
2003 fun compile_to_c
(compiler
: COMPILER) is abstract
2006 # A runtime variable hold a runtime value in C.
2007 # Runtime variables are associated to Nit local variables and intermediate results in Nit expressions.
2009 # 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.
2010 class RuntimeVariable
2011 # The name of the variable in the C code
2014 # The static type of the variable (as declard in C)
2017 # The current casted type of the variable (as known in Nit)
2018 var mcasttype
: MType is writable
2020 # If the variable exaclty a mcasttype?
2021 # false (usual value) means that the variable is a mcasttype or a subtype.
2022 var is_exact
: Bool = false is writable
2026 assert not mtype
.need_anchor
2027 assert not mcasttype
.need_anchor
2030 redef fun to_s
do return name
2035 if self.is_exact
then
2036 exact_str
= " exact"
2041 if self.mtype
== self.mcasttype
then
2042 type_str
= "{mtype}{exact_str}"
2044 type_str
= "{mtype}({mcasttype}{exact_str})"
2046 return "<{name}:{type_str}>"
2050 # The static context of a visited property in a `AbstractCompilerVisitor`
2053 type VISITOR: AbstractCompilerVisitor
2055 # The associated visitor
2056 var visitor
: VISITOR
2058 # The executed property.
2059 # A Method in case of a call, an attribute in case of a default initialization.
2060 var mpropdef
: MPropDef
2062 # The static type of the receiver
2063 var receiver
: MClassType
2065 # Arguments of the method (the first is the receiver)
2066 var arguments
: Array[RuntimeVariable]
2068 # The runtime_variable associated to the return (in a function)
2069 var returnvar
: nullable RuntimeVariable = null is writable
2071 # The label at the end of the property
2072 var returnlabel
: nullable String = null is writable
2074 # Labels associated to a each escapemarks.
2075 # Because of inlinings, escape-marks must be associated to their context (the frame)
2076 private var escapemark_names
= new HashMap[EscapeMark, String]
2078 # The array comprehension currently filled, if any
2079 private var comprehension
: nullable RuntimeVariable = null
2083 # Return the C type associated to a given Nit static type
2084 fun ctype
: String do return "val*"
2086 # C type outside of the compiler code and in boxes
2087 fun ctype_extern
: String do return "val*"
2089 # Short name of the `ctype` to use in unions
2090 fun ctypename
: String do return "val"
2092 # Is the associated C type a primitive one?
2094 # ENSURE `result == (ctype != "val*")`
2095 fun is_c_primitive
: Bool do return false
2098 redef class MClassType
2100 redef var ctype
is lazy
do
2101 if mclass
.name
== "Int" then
2103 else if mclass
.name
== "Bool" then
2105 else if mclass
.name
== "Char" then
2107 else if mclass
.name
== "Float" then
2109 else if mclass
.name
== "Int8" then
2111 else if mclass
.name
== "Byte" then
2112 return "unsigned char"
2113 else if mclass
.name
== "Int16" then
2115 else if mclass
.name
== "UInt16" then
2117 else if mclass
.name
== "Int32" then
2119 else if mclass
.name
== "UInt32" then
2121 else if mclass
.name
== "CString" then
2123 else if mclass
.name
== "NativeArray" then
2130 redef var is_c_primitive
is lazy
do return ctype
!= "val*"
2132 redef fun ctype_extern
: String
2134 if mclass
.kind
== extern_kind
then
2141 redef fun ctypename
: String
2143 if mclass
.name
== "Int" then
2145 else if mclass
.name
== "Bool" then
2147 else if mclass
.name
== "Char" then
2149 else if mclass
.name
== "Float" then
2151 else if mclass
.name
== "Int8" then
2153 else if mclass
.name
== "Byte" then
2155 else if mclass
.name
== "Int16" then
2157 else if mclass
.name
== "UInt16" then
2159 else if mclass
.name
== "Int32" then
2161 else if mclass
.name
== "UInt32" then
2163 else if mclass
.name
== "CString" then
2165 else if mclass
.name
== "NativeArray" then
2166 #return "{self.arguments.first.ctype}*"
2174 redef class MPropDef
2175 type VISITOR: AbstractCompilerVisitor
2178 redef class MMethodDef
2179 # Can the body be inlined?
2180 fun can_inline
(v
: VISITOR): Bool
2182 if is_abstract
then return true
2183 if constant_value
!= null then return true
2184 var modelbuilder
= v
.compiler
.modelbuilder
2185 var node
= modelbuilder
.mpropdef2node
(self)
2186 if node
isa APropdef then
2187 return node
.can_inline
2188 else if node
isa AClassdef then
2189 # Automatic free init is always inlined since it is empty or contains only attribtes assigments
2191 else if node
== null then
2198 # Inline the body in another visitor
2199 fun compile_inside_to_c
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
2201 var modelbuilder
= v
.compiler
.modelbuilder
2202 var val
= constant_value
2203 var node
= modelbuilder
.mpropdef2node
(self)
2207 var cn
= v
.class_name_string
(arguments
.first
)
2208 v
.current_node
= node
2209 v
.add
("PRINT_ERROR(\"Runtime error
: Abstract method
`%s` called on
`%s`\
", \"{mproperty.name.escape_to_c}\
", {cn});")
2214 if node
isa APropdef then
2215 var oldnode
= v
.current_node
2216 v
.current_node
= node
2217 self.compile_parameter_check
(v
, arguments
)
2218 node
.compile_to_c
(v
, self, arguments
)
2219 v
.current_node
= oldnode
2220 else if node
isa AClassdef then
2221 var oldnode
= v
.current_node
2222 v
.current_node
= node
2223 self.compile_parameter_check
(v
, arguments
)
2224 node
.compile_to_c
(v
, self, arguments
)
2225 v
.current_node
= oldnode
2226 else if val
!= null then
2227 v
.ret
(v
.value_instance
(val
))
2234 # Generate type checks in the C code to check covariant parameters
2235 fun compile_parameter_check
(v
: VISITOR, arguments
: Array[RuntimeVariable])
2237 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_covariance
.value
then return
2239 var msignature
= self.msignature
.as(not null)
2241 for i
in [0..msignature
.arity
[ do
2242 var mp
= msignature
.mparameters
[i
]
2243 # skip test for vararg since the array is instantiated with the correct polymorphic type
2244 if mp
.is_vararg
then continue
2246 # skip if the cast is not required
2247 var origmtype
= self.mproperty
.intro
.msignature
.mparameters
[i
].mtype
2248 if not origmtype
.need_anchor
then continue
2250 # get the parameter type
2251 var mtype
= mp
.mtype
2254 # note that v decides if and how to implements the cast
2255 v
.add
("/* Covariant cast for argument {i} ({mp.name}) {arguments[i+1].inspect} isa {mtype} */")
2256 v
.add_cast
(arguments
[i
+1], mtype
, "covariance")
2263 redef class APropdef
2264 fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
2266 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name} {mpropdef} at
{location.to_s}\\n\
");")
2267 debug
("Not yet implemented")
2270 fun can_inline
: Bool do return true
2273 redef class AMethPropdef
2274 redef fun compile_to_c
(v
, mpropdef
, arguments
)
2276 # Call the implicit super-init
2277 var auto_super_inits
= self.auto_super_inits
2278 if auto_super_inits
!= null then
2279 var args
= [arguments
.first
]
2280 for auto_super_init
in auto_super_inits
do
2281 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2283 for i
in [0..auto_super_init
.msignature
.arity
+1[ do
2284 args
.add
(arguments
[i
])
2286 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2287 v
.compile_callsite
(auto_super_init
, args
)
2290 if auto_super_call
then
2291 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
2294 # Try special compilation
2295 if mpropdef
.is_intern
then
2296 if compile_intern_to_c
(v
, mpropdef
, arguments
) then return
2298 if mpropdef
.is_extern
then
2299 if mpropdef
.mproperty
.is_init
then
2300 if compile_externinit_to_c
(v
, mpropdef
, arguments
) then return
2302 if compile_externmeth_to_c
(v
, mpropdef
, arguments
) then return
2306 # Compile block if any
2307 var n_block
= n_block
2308 if n_block
!= null then
2309 for i
in [0..mpropdef
.msignature
.arity
[ do
2310 var variable
= self.n_signature
.n_params
[i
].variable
.as(not null)
2311 v
.assign
(v
.variable
(variable
), arguments
[i
+1])
2319 var cn
= v
.class_name_string
(arguments
.first
)
2320 v
.add
("PRINT_ERROR(\"Runtime error
: uncompiled method
`%s` called on
`%s`. NOT YET IMPLEMENTED\
", \"{mpropdef.mproperty.name.escape_to_c}\
", {cn});")
2324 redef fun can_inline
2326 if self.auto_super_inits
!= null then return false
2327 var nblock
= self.n_block
2328 if nblock
== null then return true
2329 if (mpropdef
.mproperty
.name
== "==" or mpropdef
.mproperty
.name
== "!=") and mpropdef
.mclassdef
.mclass
.name
== "Object" then return true
2330 if nblock
isa ABlockExpr and nblock
.n_expr
.length
== 0 then return true
2334 fun compile_intern_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
2336 var pname
= mpropdef
.mproperty
.name
2337 var cname
= mpropdef
.mclassdef
.mclass
.name
2338 var ret
= mpropdef
.msignature
.return_mtype
2340 ret
= v
.resolve_for
(ret
, arguments
.first
)
2342 if pname
!= "==" and pname
!= "!=" then
2343 v
.adapt_signature
(mpropdef
, arguments
)
2344 v
.unbox_signature_extern
(mpropdef
, arguments
)
2346 if cname
== "Int" then
2347 if pname
== "output" then
2348 v
.add
("printf(\"%ld\\n\
", {arguments.first});")
2350 else if pname
== "object_id" then
2351 v
.ret
(arguments
.first
)
2353 else if pname
== "+" then
2354 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2356 else if pname
== "-" then
2357 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2359 else if pname
== "unary -" then
2360 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2362 else if pname
== "unary +" then
2365 else if pname
== "*" then
2366 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2368 else if pname
== "/" then
2369 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2371 else if pname
== "%" then
2372 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2374 else if pname
== "==" then
2375 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2377 else if pname
== "!=" then
2378 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2379 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2381 else if pname
== "<" then
2382 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2384 else if pname
== ">" then
2385 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2387 else if pname
== "<=" then
2388 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2390 else if pname
== ">=" then
2391 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2393 else if pname
== "to_i8" then
2394 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2396 else if pname
== "to_i16" then
2397 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2399 else if pname
== "to_u16" then
2400 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2402 else if pname
== "to_i32" then
2403 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2405 else if pname
== "to_u32" then
2406 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2408 else if pname
== "to_f" then
2409 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2411 else if pname
== "to_b" then
2412 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2414 else if pname
== "code_point" then
2415 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2417 else if pname
== "&" then
2418 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2420 else if pname
== "|" then
2421 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2423 else if pname
== ">>" then
2424 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2426 else if pname
== "<<" then
2427 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2430 else if cname
== "Char" then
2431 if pname
== "object_id" then
2432 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2434 else if pname
== "successor" then
2435 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2437 else if pname
== "predecessor" then
2438 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2440 else if pname
== "==" then
2441 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2443 else if pname
== "!=" then
2444 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2445 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2447 else if pname
== "<" then
2448 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2450 else if pname
== ">" then
2451 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2453 else if pname
== "<=" then
2454 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2456 else if pname
== ">=" then
2457 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2459 else if pname
== "to_i" then
2460 v
.ret
(v
.new_expr
("{arguments[0]}-'0'", ret
.as(not null)))
2462 else if pname
== "code_point" then
2463 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2466 else if cname
== "Byte" then
2467 if pname
== "output" then
2468 v
.add
("printf(\"%x\\n\
", {arguments.first});")
2470 else if pname
== "object_id" then
2471 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2473 else if pname
== "+" then
2474 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2476 else if pname
== "-" then
2477 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2479 else if pname
== "unary -" then
2480 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2482 else if pname
== "unary +" then
2485 else if pname
== "*" then
2486 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2488 else if pname
== "/" then
2489 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2491 else if pname
== "%" then
2492 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2494 else if pname
== "==" then
2495 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2497 else if pname
== "!=" then
2498 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2499 v
.ret
(v
.new_expr
("!{res}", 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)))
2510 else if pname
== ">=" then
2511 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2513 else if pname
== ">>" then
2514 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2516 else if pname
== "<<" then
2517 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2519 else if pname
== "&" then
2520 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2522 else if pname
== "to_i" then
2523 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2525 else if pname
== "to_f" then
2526 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2528 else if pname
== "to_i8" then
2529 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2531 else if pname
== "to_i16" then
2532 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2534 else if pname
== "to_u16" then
2535 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2537 else if pname
== "to_i32" then
2538 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2540 else if pname
== "to_u32" then
2541 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2543 else if pname
== "ascii" then
2544 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2547 else if cname
== "Bool" then
2548 if pname
== "output" then
2549 v
.add
("printf({arguments.first}?\"true\\n\
":\"false\\n\
");")
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
.equal_test
(arguments
[0], arguments
[1]))
2557 else if pname
== "!=" then
2558 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2559 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2562 else if cname
== "Float" then
2563 if pname
== "output" then
2564 v
.add
("printf(\"%f\\n\
", {arguments.first});")
2566 else if pname
== "object_id" then
2567 v
.ret
(v
.new_expr
("(double){arguments.first}", 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
== "unary -" then
2576 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2578 else if pname
== "unary +" then
2581 else if pname
== "succ" then
2582 v
.ret
(v
.new_expr
("{arguments[0]}+1", ret
.as(not null)))
2584 else if pname
== "prec" then
2585 v
.ret
(v
.new_expr
("{arguments[0]}-1", ret
.as(not null)))
2587 else if pname
== "*" then
2588 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2590 else if pname
== "/" then
2591 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2593 else if pname
== "==" then
2594 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2596 else if pname
== "!=" then
2597 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2598 v
.ret
(v
.new_expr
("!{res}", 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
== ">" then
2604 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2606 else if pname
== "<=" then
2607 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2609 else if pname
== ">=" then
2610 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2612 else if pname
== "to_i" then
2613 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2615 else if pname
== "to_b" then
2616 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2618 else if pname
== "to_i8" then
2619 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2621 else if pname
== "to_i16" then
2622 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2624 else if pname
== "to_u16" then
2625 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2627 else if pname
== "to_i32" then
2628 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2630 else if pname
== "to_u32" then
2631 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2634 else if cname
== "CString" then
2635 if pname
== "[]" then
2636 v
.ret
(v
.new_expr
("(unsigned char)((int){arguments[0]}[{arguments[1]}])", ret
.as(not null)))
2638 else if pname
== "[]=" then
2639 v
.add
("{arguments[0]}[{arguments[1]}]=(unsigned char){arguments[2]};")
2641 else if pname
== "copy_to" then
2642 v
.add
("memmove({arguments[1]}+{arguments[4]},{arguments[0]}+{arguments[3]},{arguments[2]});")
2644 else if pname
== "atoi" then
2645 v
.ret
(v
.new_expr
("atoi({arguments[0]});", ret
.as(not null)))
2647 else if pname
== "fast_cstring" then
2648 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2650 else if pname
== "==" then
2651 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2653 else if pname
== "!=" then
2654 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2655 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2657 else if pname
== "new" then
2658 var alloc
= v
.nit_alloc
(arguments
[1].to_s
, "CString")
2659 v
.ret
(v
.new_expr
("(char*){alloc}", ret
.as(not null)))
2661 else if pname
== "fetch_4_chars" then
2662 v
.ret
(v
.new_expr
("*((uint32_t*)({arguments[0]} + {arguments[1]}))", ret
.as(not null)))
2664 else if pname
== "fetch_4_hchars" then
2665 v
.ret
(v
.new_expr
("(uint32_t)be32toh(*((uint32_t*)({arguments[0]} + {arguments[1]})))", ret
.as(not null)))
2668 else if cname
== "NativeArray" then
2669 return v
.native_array_def
(pname
, ret
, arguments
)
2670 else if cname
== "Int8" then
2671 if pname
== "output" then
2672 v
.add
("printf(\"%\
"PRIi8 \"\\n\
", {arguments.first});")
2674 else if pname
== "object_id" then
2675 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2677 else if pname
== "+" then
2678 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2680 else if pname
== "-" then
2681 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2683 else if pname
== "unary -" then
2684 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2686 else if pname
== "unary +" then
2689 else if pname
== "*" then
2690 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2692 else if pname
== "/" then
2693 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2695 else if pname
== "%" then
2696 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2698 else if pname
== "<<" then
2699 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2701 else if pname
== ">>" then
2702 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2704 else if pname
== "==" then
2705 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2707 else if pname
== "!=" then
2708 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2709 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2711 else if pname
== "<" then
2712 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2714 else if pname
== ">" then
2715 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2717 else if pname
== "<=" then
2718 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2720 else if pname
== ">=" then
2721 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2723 else if pname
== "to_i" then
2724 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2726 else if pname
== "to_b" then
2727 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2729 else if pname
== "to_i16" then
2730 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2732 else if pname
== "to_u16" then
2733 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2735 else if pname
== "to_i32" then
2736 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2738 else if pname
== "to_u32" then
2739 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2741 else if pname
== "to_f" then
2742 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2744 else if pname
== "&" then
2745 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2747 else if pname
== "|" then
2748 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2750 else if pname
== "^" then
2751 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2753 else if pname
== "unary ~" then
2754 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2757 else if cname
== "Int16" then
2758 if pname
== "output" then
2759 v
.add
("printf(\"%\
"PRIi16 \"\\n\
", {arguments.first});")
2761 else if pname
== "object_id" then
2762 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2764 else if pname
== "+" then
2765 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2767 else if pname
== "-" then
2768 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2770 else if pname
== "unary -" then
2771 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2773 else if pname
== "unary +" then
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
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2788 else if pname
== ">>" then
2789 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2791 else if pname
== "==" then
2792 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2794 else if pname
== "!=" then
2795 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2796 v
.ret
(v
.new_expr
("!{res}", 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
== "<=" then
2805 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2807 else if pname
== ">=" then
2808 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2810 else if pname
== "to_i" then
2811 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2813 else if pname
== "to_b" then
2814 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2816 else if pname
== "to_i8" then
2817 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2819 else if pname
== "to_u16" then
2820 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2822 else if pname
== "to_i32" then
2823 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2825 else if pname
== "to_u32" then
2826 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2828 else if pname
== "to_f" then
2829 v
.ret
(v
.new_expr
("(double){arguments[0]}", 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
== "|" then
2835 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2837 else if pname
== "^" then
2838 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2840 else if pname
== "unary ~" then
2841 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2844 else if cname
== "UInt16" then
2845 if pname
== "output" then
2846 v
.add
("printf(\"%\
"PRIu16 \"\\n\
", {arguments.first});")
2848 else if pname
== "object_id" then
2849 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2851 else if pname
== "+" then
2852 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2854 else if pname
== "-" then
2855 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2857 else if pname
== "unary -" then
2858 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2860 else if pname
== "unary +" then
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
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2875 else if pname
== ">>" then
2876 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2878 else if pname
== "==" then
2879 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2881 else if pname
== "!=" then
2882 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2883 v
.ret
(v
.new_expr
("!{res}", 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
== "<=" then
2892 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2894 else if pname
== ">=" then
2895 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2897 else if pname
== "to_i" then
2898 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2900 else if pname
== "to_b" then
2901 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2903 else if pname
== "to_i8" then
2904 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2906 else if pname
== "to_i16" then
2907 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2909 else if pname
== "to_i32" then
2910 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2912 else if pname
== "to_u32" then
2913 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2915 else if pname
== "to_f" then
2916 v
.ret
(v
.new_expr
("(double){arguments[0]}", 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
== "|" then
2922 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2924 else if pname
== "^" then
2925 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2927 else if pname
== "unary ~" then
2928 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2931 else if cname
== "Int32" then
2932 if pname
== "output" then
2933 v
.add
("printf(\"%\
"PRIi32 \"\\n\
", {arguments.first});")
2935 else if pname
== "object_id" then
2936 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2938 else if pname
== "+" then
2939 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2941 else if pname
== "-" then
2942 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2944 else if pname
== "unary -" then
2945 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2947 else if pname
== "unary +" then
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
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2962 else if pname
== ">>" then
2963 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2965 else if pname
== "==" then
2966 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2968 else if pname
== "!=" then
2969 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2970 v
.ret
(v
.new_expr
("!{res}", 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
== "<=" then
2979 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2981 else if pname
== ">=" then
2982 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2984 else if pname
== "to_i" then
2985 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2987 else if pname
== "to_b" then
2988 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2990 else if pname
== "to_i8" then
2991 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2993 else if pname
== "to_i16" then
2994 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2996 else if pname
== "to_u16" then
2997 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2999 else if pname
== "to_u32" then
3000 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
3002 else if pname
== "to_f" then
3003 v
.ret
(v
.new_expr
("(double){arguments[0]}", 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
== "|" then
3009 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3011 else if pname
== "^" then
3012 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3014 else if pname
== "unary ~" then
3015 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3018 else if cname
== "UInt32" then
3019 if pname
== "output" then
3020 v
.add
("printf(\"%\
"PRIu32 \"\\n\
", {arguments.first});")
3022 else if pname
== "object_id" then
3023 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3025 else if pname
== "+" then
3026 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
3028 else if pname
== "-" then
3029 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
3031 else if pname
== "unary -" then
3032 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
3034 else if pname
== "unary +" then
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
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
3049 else if pname
== ">>" then
3050 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
3052 else if pname
== "==" then
3053 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3055 else if pname
== "!=" then
3056 var res
= v
.equal_test
(arguments
[0], arguments
[1])
3057 v
.ret
(v
.new_expr
("!{res}", 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
== "<=" then
3066 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
3068 else if pname
== ">=" then
3069 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
3071 else if pname
== "to_i" then
3072 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
3074 else if pname
== "to_b" then
3075 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
3077 else if pname
== "to_i8" then
3078 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
3080 else if pname
== "to_i16" then
3081 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
3083 else if pname
== "to_u16" then
3084 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
3086 else if pname
== "to_i32" then
3087 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
3089 else if pname
== "to_f" then
3090 v
.ret
(v
.new_expr
("(double){arguments[0]}", 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
== "|" then
3096 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3098 else if pname
== "^" then
3099 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3101 else if pname
== "unary ~" then
3102 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3106 if pname
== "exit" then
3107 v
.add
("exit((int){arguments[1]});")
3109 else if pname
== "sys" then
3110 v
.ret
(v
.new_expr
("glob_sys", ret
.as(not null)))
3112 else if pname
== "object_id" then
3113 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3115 else if pname
== "is_same_type" then
3116 v
.ret
(v
.is_same_type_test
(arguments
[0], arguments
[1]))
3118 else if pname
== "is_same_instance" then
3119 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3121 else if pname
== "output_class_name" then
3122 var nat
= v
.class_name_string
(arguments
.first
)
3123 v
.add
("printf(\"%s\\n\
", {nat});")
3125 else if pname
== "native_class_name" then
3126 var nat
= v
.class_name_string
(arguments
.first
)
3127 v
.ret
(v
.new_expr
("(char*){nat}", ret
.as(not null)))
3129 else if pname
== "force_garbage_collection" then
3130 v
.add
("nit_gcollect();")
3132 else if pname
== "native_argc" then
3133 v
.ret
(v
.new_expr
("glob_argc", ret
.as(not null)))
3135 else if pname
== "native_argv" then
3136 v
.ret
(v
.new_expr
("glob_argv[{arguments[1]}]", ret
.as(not null)))
3142 # Compile an extern method
3143 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3144 fun compile_externmeth_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3147 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3148 if at
!= null and at
.n_args
.length
== 1 then
3149 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3150 if externname
== null then return false
3154 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3155 var res
: nullable RuntimeVariable = null
3156 var ret
= mpropdef
.msignature
.return_mtype
3158 ret
= v
.resolve_for
(ret
, arguments
.first
)
3159 res
= v
.new_var_extern
(ret
)
3161 v
.adapt_signature
(mpropdef
, arguments
)
3162 v
.unbox_signature_extern
(mpropdef
, arguments
)
3165 v
.add
("{externname}({arguments.join(", ")});")
3167 v
.add
("{res} = {externname}({arguments.join(", ")});")
3168 res
= v
.box_extern
(res
, ret
.as(not null))
3174 # Compile an extern factory
3175 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3176 fun compile_externinit_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3179 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3181 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3182 if externname
== null then return false
3186 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3187 v
.adapt_signature
(mpropdef
, arguments
)
3188 v
.unbox_signature_extern
(mpropdef
, arguments
)
3189 var ret
= arguments
.first
.mtype
3190 var res
= v
.new_var_extern
(ret
)
3194 v
.add
("{res} = {externname}({arguments.join(", ")});")
3195 res
= v
.box_extern
(res
, ret
)
3201 redef class AAttrPropdef
3202 redef fun can_inline
: Bool do return not is_lazy
3204 redef fun compile_to_c
(v
, mpropdef
, arguments
)
3206 if mpropdef
== mreadpropdef
then
3207 assert arguments
.length
== 1
3208 var recv
= arguments
.first
3212 var ret
= self.mtype
3213 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3214 var guard
= self.mlazypropdef
.mproperty
3216 set
= v
.isset_attribute
(self.mpropdef
.mproperty
, recv
)
3218 set
= v
.read_attribute
(guard
, recv
)
3220 v
.add
("if(likely({set})) \{")
3221 res
= v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3224 var value
= evaluate_expr
(v
, recv
)
3226 v
.assign
(res
, value
)
3228 var true_v
= v
.bool_instance
(true)
3229 v
.write_attribute
(guard
, arguments
.first
, true_v
)
3233 res
= v
.read_attribute
(self.mpropdef
.mproperty
, arguments
.first
)
3235 v
.assign
(v
.frame
.returnvar
.as(not null), res
)
3236 else if mpropdef
== mwritepropdef
then
3237 assert arguments
.length
== 2
3238 var recv
= arguments
.first
3239 var arg
= arguments
[1]
3240 if is_optional
and v
.maybe_null
(arg
) then
3241 var value
= v
.new_var
(self.mpropdef
.static_mtype
.as(not null))
3242 v
.add
("if ({arg} == NULL) \{")
3243 v
.assign
(value
, evaluate_expr
(v
, recv
))
3245 v
.assign
(value
, arg
)
3249 v
.write_attribute
(self.mpropdef
.mproperty
, arguments
.first
, arg
)
3251 var ret
= self.mtype
3252 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3254 v
.write_attribute
(self.mlazypropdef
.mproperty
, arguments
.first
, v
.bool_instance
(true))
3262 fun init_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3264 if has_value
and not is_lazy
and not is_optional
and not n_expr
isa ANullExpr then evaluate_expr
(v
, recv
)
3267 # Evaluate, store and return the default value of the attribute
3268 private fun evaluate_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable): RuntimeVariable
3270 var oldnode
= v
.current_node
3271 v
.current_node
= self
3272 var old_frame
= v
.frame
3273 var frame
= new StaticFrame(v
, self.mreadpropdef
.as(not null), recv
.mcasttype
.undecorate
.as(MClassType), [recv
])
3277 var mtype
= self.mtype
3278 assert mtype
!= null
3280 var nexpr
= self.n_expr
3281 var nblock
= self.n_block
3282 if nexpr
!= null then
3283 value
= v
.expr
(nexpr
, mtype
)
3284 else if nblock
!= null then
3285 value
= v
.new_var
(mtype
)
3286 frame
.returnvar
= value
3287 frame
.returnlabel
= v
.get_name
("RET_LABEL")
3290 v
.add
("{frame.returnlabel.as(not null)}:(void)0;")
3296 v
.write_attribute
(self.mpropdef
.mproperty
, recv
, value
)
3299 v
.current_node
= oldnode
3304 fun check_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3306 var nexpr
= self.n_expr
3307 if nexpr
!= null then return
3309 var oldnode
= v
.current_node
3310 v
.current_node
= self
3311 var old_frame
= v
.frame
3312 var frame
= new StaticFrame(v
, self.mpropdef
.as(not null), recv
.mtype
.as(MClassType), [recv
])
3314 # Force read to check the initialization
3315 v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3317 v
.current_node
= oldnode
3321 redef class AClassdef
3322 private fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
3324 if mpropdef
.mproperty
.is_root_init
then
3325 assert arguments
.length
== 1
3326 if not mpropdef
.is_intro
then
3327 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
3337 # Try to compile self as an expression
3338 # Do not call this method directly, use `v.expr` instead
3339 private fun expr
(v
: AbstractCompilerVisitor): nullable RuntimeVariable
3341 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name}:{location.to_s}\\n\
");")
3342 var mtype
= self.mtype
3343 if mtype
== null then
3346 var res
= v
.new_var
(mtype
)
3347 v
.add
("/* {res} = NOT YET {class_name} */")
3352 # Try to compile self as a statement
3353 # Do not call this method directly, use `v.stmt` instead
3354 private fun stmt
(v
: AbstractCompilerVisitor)
3360 redef class ABlockExpr
3363 for e
in self.n_expr
do v
.stmt
(e
)
3367 var last
= self.n_expr
.last
3368 for e
in self.n_expr
do
3369 if e
== last
then break
3372 return v
.expr
(last
, null)
3376 redef class AVardeclExpr
3379 var variable
= self.variable
.as(not null)
3380 var ne
= self.n_expr
3382 var i
= v
.expr
(ne
, variable
.declared_type
)
3383 v
.assign
(v
.variable
(variable
), i
)
3388 redef class AVarExpr
3391 var res
= v
.variable
(self.variable
.as(not null))
3392 var mtype
= self.mtype
.as(not null)
3393 return v
.autoadapt
(res
, mtype
)
3397 redef class AVarAssignExpr
3400 var variable
= self.variable
.as(not null)
3401 var i
= v
.expr
(self.n_value
, variable
.declared_type
)
3402 v
.assign
(v
.variable
(variable
), i
)
3407 redef class AVarReassignExpr
3410 var variable
= self.variable
.as(not null)
3411 var vari
= v
.variable
(variable
)
3412 var value
= v
.expr
(self.n_value
, variable
.declared_type
)
3413 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [vari
, value
])
3415 v
.assign
(v
.variable
(variable
), res
)
3419 redef class ASelfExpr
3420 redef fun expr
(v
) do return v
.frame
.arguments
.first
3423 redef class AImplicitSelfExpr
3424 redef fun expr
(v
) do
3425 if not is_sys
then return super
3426 return v
.new_expr
("glob_sys", mtype
.as(not null))
3430 redef class AEscapeExpr
3431 redef fun stmt
(v
) do v
.add
("goto BREAK_{v.escapemark_name(self.escapemark)};")
3434 redef class AReturnExpr
3437 var nexpr
= self.n_expr
3438 if nexpr
!= null then
3439 var returnvar
= v
.frame
.returnvar
.as(not null)
3440 var i
= v
.expr
(nexpr
, returnvar
.mtype
)
3441 v
.assign
(returnvar
, i
)
3443 v
.add
("goto {v.frame.returnlabel.as(not null)};")
3447 redef class AAbortExpr
3448 redef fun stmt
(v
) do v
.add_abort
("Aborted")
3454 var cond
= v
.expr_bool
(self.n_expr
)
3455 v
.add
("if ({cond})\{")
3464 var res
= v
.new_var
(self.mtype
.as(not null))
3465 var cond
= v
.expr_bool
(self.n_expr
)
3466 v
.add
("if ({cond})\{")
3467 v
.assign
(res
, v
.expr
(self.n_then
.as(not null), null))
3469 v
.assign
(res
, v
.expr
(self.n_else
.as(not null), null))
3475 redef class AIfexprExpr
3478 var res
= v
.new_var
(self.mtype
.as(not null))
3479 var cond
= v
.expr_bool
(self.n_expr
)
3480 v
.add
("if ({cond})\{")
3481 v
.assign
(res
, v
.expr
(self.n_then
, null))
3483 v
.assign
(res
, v
.expr
(self.n_else
, null))
3492 if self.n_catch
!= null then
3493 v
.add
("catchStack.cursor += 1;")
3494 v
.add
("if(!setjmp(catchStack.envs[catchStack.cursor]))\{")
3495 v
.stmt
(self.n_block
)
3496 v
.add
("catchStack.cursor -= 1;")
3498 v
.add
("catchStack.cursor -= 1;")
3499 v
.stmt
(self.n_catch
)
3502 v
.stmt
(self.n_block
)
3504 v
.add_escape_label
(break_mark
)
3508 redef class AWhileExpr
3512 var cond
= v
.expr_bool
(self.n_expr
)
3513 v
.add
("if (!{cond}) break;")
3514 v
.stmt
(self.n_block
)
3515 v
.add_escape_label
(continue_mark
)
3517 v
.add_escape_label
(break_mark
)
3521 redef class ALoopExpr
3525 v
.stmt
(self.n_block
)
3526 v
.add_escape_label
(continue_mark
)
3528 v
.add_escape_label
(break_mark
)
3532 redef class AForExpr
3535 for g
in n_groups
do
3536 var cl
= v
.expr
(g
.n_expr
, null)
3537 var it_meth
= g
.method_iterator
3538 assert it_meth
!= null
3539 var it
= v
.compile_callsite
(it_meth
, [cl
])
3544 for g
in n_groups
do
3546 var isok_meth
= g
.method_is_ok
3547 assert isok_meth
!= null
3548 var ok
= v
.compile_callsite
(isok_meth
, [it
])
3550 v
.add
("if(!{ok}) break;")
3551 if g
.variables
.length
== 1 then
3552 var item_meth
= g
.method_item
3553 assert item_meth
!= null
3554 var i
= v
.compile_callsite
(item_meth
, [it
])
3556 v
.assign
(v
.variable
(g
.variables
.first
), i
)
3557 else if g
.variables
.length
== 2 then
3558 var key_meth
= g
.method_key
3559 assert key_meth
!= null
3560 var i
= v
.compile_callsite
(key_meth
, [it
])
3562 v
.assign
(v
.variable
(g
.variables
[0]), i
)
3563 var item_meth
= g
.method_item
3564 assert item_meth
!= null
3565 i
= v
.compile_callsite
(item_meth
, [it
])
3567 v
.assign
(v
.variable
(g
.variables
[1]), i
)
3572 v
.stmt
(self.n_block
)
3573 v
.add_escape_label
(continue_mark
)
3574 for g
in n_groups
do
3575 var next_meth
= g
.method_next
3576 assert next_meth
!= null
3577 v
.compile_callsite
(next_meth
, [g
.it
])
3580 v
.add_escape_label
(break_mark
)
3582 for g
in n_groups
do
3583 var method_finish
= g
.method_finish
3584 if method_finish
!= null then
3585 # TODO: Find a way to call this also in long escape (e.g. return)
3586 v
.compile_callsite
(method_finish
, [g
.it
])
3592 redef class AForGroup
3593 # C variable representing the iterator
3594 private var it
: RuntimeVariable is noinit
3597 redef class AAssertExpr
3600 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return
3602 var cond
= v
.expr_bool
(self.n_expr
)
3603 v
.add
("if (unlikely(!{cond})) \{")
3607 v
.add_abort
("Assert '{nid.text}' failed")
3609 v
.add_abort
("Assert failed")
3618 var res
= v
.new_var
(self.mtype
.as(not null))
3619 var i1
= v
.expr_bool
(self.n_expr
)
3620 v
.add
("if ({i1}) \{")
3623 var i2
= v
.expr_bool
(self.n_expr2
)
3624 v
.add
("{res} = {i2};")
3630 redef class AImpliesExpr
3633 var res
= v
.new_var
(self.mtype
.as(not null))
3634 var i1
= v
.expr_bool
(self.n_expr
)
3635 v
.add
("if (!{i1}) \{")
3638 var i2
= v
.expr_bool
(self.n_expr2
)
3639 v
.add
("{res} = {i2};")
3645 redef class AAndExpr
3648 var res
= v
.new_var
(self.mtype
.as(not null))
3649 var i1
= v
.expr_bool
(self.n_expr
)
3650 v
.add
("if (!{i1}) \{")
3653 var i2
= v
.expr_bool
(self.n_expr2
)
3654 v
.add
("{res} = {i2};")
3660 redef class ANotExpr
3663 var cond
= v
.expr_bool
(self.n_expr
)
3664 return v
.new_expr
("!{cond}", self.mtype
.as(not null))
3668 redef class AOrElseExpr
3671 var res
= v
.new_var
(self.mtype
.as(not null))
3672 var i1
= v
.expr
(self.n_expr
, null)
3674 if not v
.maybe_null
(i1
) then return i1
3676 v
.add
("if ({i1}!=NULL) \{")
3679 var i2
= v
.expr
(self.n_expr2
, null)
3686 redef class AIntegerExpr
3687 redef fun expr
(v
) do
3688 if value
isa Int then return v
.int_instance
(value
.as(Int))
3689 if value
isa Byte then return v
.byte_instance
(value
.as(Byte))
3690 if value
isa Int8 then return v
.int8_instance
(value
.as(Int8))
3691 if value
isa Int16 then return v
.int16_instance
(value
.as(Int16))
3692 if value
isa UInt16 then return v
.uint16_instance
(value
.as(UInt16))
3693 if value
isa Int32 then return v
.int32_instance
(value
.as(Int32))
3694 if value
isa UInt32 then return v
.uint32_instance
(value
.as(UInt32))
3695 # Should never happen
3700 redef class AFloatExpr
3701 redef fun expr
(v
) do return v
.float_instance
("{self.n_float.text}") # FIXME use value, not n_float
3704 redef class ACharExpr
3705 redef fun expr
(v
) do
3706 if is_ascii
then return v
.byte_instance
(value
.as(not null).ascii
)
3707 if is_code_point
then return v
.int_instance
(value
.as(not null).code_point
)
3708 return v
.char_instance
(self.value
.as(not null))
3712 redef class AArrayExpr
3715 var mtype
= self.element_mtype
.as(not null)
3716 var array
= new Array[RuntimeVariable]
3717 var res
= v
.array_instance
(array
, mtype
)
3719 var old_comprehension
= v
.frame
.comprehension
3720 v
.frame
.comprehension
= res
3721 for nexpr
in self.n_exprs
do
3724 v
.frame
.comprehension
= old_comprehension
3730 redef class AugmentedStringFormExpr
3731 # Factorize the making of a `Regex` object from a literal prefixed string
3732 protected fun make_re
(v
: AbstractCompilerVisitor, rs
: RuntimeVariable): nullable RuntimeVariable do
3735 var res
= v
.compile_callsite
(re
, [rs
])
3737 print
"Cannot call property `to_re` on {self}"
3740 for i
in suffix
.chars
do
3742 var ign
= ignore_case
3744 v
.compile_callsite
(ign
, [res
, v
.bool_instance
(true)])
3750 v
.compile_callsite
(nl
, [res
, v
.bool_instance
(true)])
3756 v
.compile_callsite
(ext
, [res
, v
.bool_instance
(false)])
3759 # Should not happen, this needs to be updated
3760 # along with the addition of new suffixes
3767 redef class AStringFormExpr
3768 redef fun expr
(v
) do return v
.string_instance
(value
)
3771 redef class AStringExpr
3772 redef fun expr
(v
) do
3773 var s
= v
.string_instance
(value
)
3774 if is_string
then return s
3775 if is_bytestring
then
3776 var ns
= v
.c_string_instance
(bytes
.items
, bytes
.length
)
3777 var ln
= v
.int_instance
(bytes
.length
)
3778 var cs
= to_bytes_with_copy
3780 var res
= v
.compile_callsite
(cs
, [ns
, ln
])
3784 var res
= make_re
(v
, s
)
3788 print
"Unimplemented prefix or suffix for {self}"
3795 redef class ASuperstringExpr
3798 var type_string
= v
.mmodule
.string_type
3800 # Collect elements of the superstring
3801 var array
= new Array[AExpr]
3802 for ne
in self.n_exprs
do
3803 # Drop literal empty string.
3804 # They appears in things like "{a}" that is ["", a, ""]
3805 if ne
isa AStringFormExpr and ne
.value
== "" then continue # skip empty sub-strings
3809 # Store the allocated native array in a static variable
3811 var varonce
= v
.get_name
("varonce")
3812 v
.add
("if (unlikely({varonce}==NULL)) \{")
3814 # The native array that will contains the elements to_s-ized.
3815 # For fast concatenation.
3816 var a
= v
.native_array_instance
(type_string
, v
.int_instance
(array
.length
))
3818 v
.add_decl
("static {a.mtype.ctype} {varonce};")
3820 # Pre-fill the array with the literal string parts.
3821 # So they do not need to be filled again when reused
3822 for i
in [0..array
.length
[ do
3824 if not ne
isa AStringFormExpr then continue
3825 var e
= v
.expr
(ne
, null)
3826 v
.native_array_set
(a
, i
, e
)
3830 # Take the native-array from the store.
3831 # The point is to prevent that some recursive execution use (and corrupt) the same native array
3832 # WARNING: not thread safe! (FIXME?)
3833 v
.add
("{a} = {varonce};")
3834 v
.add
("{varonce} = NULL;")
3837 # Stringify the elements and put them in the native array
3838 var to_s_method
= v
.get_property
("to_s", v
.object_type
)
3839 for i
in [0..array
.length
[ do
3841 if ne
isa AStringFormExpr then continue
3842 var e
= v
.expr
(ne
, null)
3843 # Skip the `to_s` if the element is already a String
3844 if not e
.mcasttype
.is_subtype
(v
.compiler
.mainmodule
, null, type_string
) then
3845 e
= v
.send
(to_s_method
, [e
]).as(not null)
3847 v
.native_array_set
(a
, i
, e
)
3850 # Fast join the C string to get the result
3851 var res
= v
.send
(v
.get_property
("native_to_s", a
.mtype
), [a
])
3854 if is_re
then res
= make_re
(v
, res
)
3856 # We finish to work with the native array,
3857 # so store it so that it can be reused
3858 v
.add
("{varonce} = {a};")
3864 redef class ACrangeExpr
3867 var i1
= v
.expr
(self.n_expr
, null)
3868 var i2
= v
.expr
(self.n_expr2
, null)
3869 var mtype
= self.mtype
.as(MClassType)
3870 var res
= v
.init_instance
(mtype
)
3871 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
3876 redef class AOrangeExpr
3879 var i1
= v
.expr
(self.n_expr
, null)
3880 var i2
= v
.expr
(self.n_expr2
, null)
3881 var mtype
= self.mtype
.as(MClassType)
3882 var res
= v
.init_instance
(mtype
)
3883 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
3888 redef class ATrueExpr
3889 redef fun expr
(v
) do return v
.bool_instance
(true)
3892 redef class AFalseExpr
3893 redef fun expr
(v
) do return v
.bool_instance
(false)
3896 redef class ANullExpr
3897 redef fun expr
(v
) do return v
.null_instance
3900 redef class AIsaExpr
3903 var i
= v
.expr
(self.n_expr
, null)
3904 var cast_type
= self.cast_type
3905 if cast_type
== null then return null # no-no on broken node
3906 return v
.type_test
(i
, cast_type
, "isa")
3910 redef class AAsCastExpr
3913 var i
= v
.expr
(self.n_expr
, null)
3914 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
3916 v
.add_cast
(i
, self.mtype
.as(not null), "as")
3921 redef class AAsNotnullExpr
3924 var i
= v
.expr
(self.n_expr
, null)
3925 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
3927 if not v
.maybe_null
(i
) then return i
3929 v
.add
("if (unlikely({i} == NULL)) \{")
3930 v
.add_abort
("Cast failed")
3936 redef class AParExpr
3937 redef fun expr
(v
) do return v
.expr
(self.n_expr
, null)
3940 redef class AOnceExpr
3943 var mtype
= self.mtype
.as(not null)
3944 var name
= v
.get_name
("varonce")
3945 var guard
= v
.get_name
(name
+ "_guard")
3946 v
.add_decl
("static {mtype.ctype} {name};")
3947 v
.add_decl
("static int {guard};")
3948 var res
= v
.new_var
(mtype
)
3949 v
.add
("if (likely({guard})) \{")
3950 v
.add
("{res} = {name};")
3952 var i
= v
.expr
(self.n_expr
, mtype
)
3953 v
.add
("{res} = {i};")
3954 v
.add
("{name} = {res};")
3955 v
.add
("{guard} = 1;")
3961 redef class ASendExpr
3964 var recv
= v
.expr
(self.n_expr
, null)
3965 var callsite
= self.callsite
.as(not null)
3966 if callsite
.is_broken
then return null
3967 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
3968 return v
.compile_callsite
(callsite
, args
)
3972 redef class ASendReassignFormExpr
3975 var recv
= v
.expr
(self.n_expr
, null)
3976 var callsite
= self.callsite
.as(not null)
3977 if callsite
.is_broken
then return
3978 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
3980 var value
= v
.expr
(self.n_value
, null)
3982 var left
= v
.compile_callsite
(callsite
, args
)
3985 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [left
, value
])
3989 v
.compile_callsite
(self.write_callsite
.as(not null), args
)
3993 redef class ASuperExpr
3996 var frame
= v
.frame
.as(not null)
3997 var recv
= frame
.arguments
.first
3999 var callsite
= self.callsite
4000 if callsite
!= null then
4001 if callsite
.is_broken
then return null
4004 if self.n_args
.n_exprs
.is_empty
then
4005 # Add automatic arguments for the super init call
4007 for i
in [0..callsite
.msignature
.arity
[ do
4008 args
.add
(frame
.arguments
[i
+1])
4011 args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
4015 var res
= v
.compile_callsite
(callsite
, args
)
4019 var mpropdef
= self.mpropdef
.as(not null)
4022 if self.n_args
.n_exprs
.is_empty
then
4023 args
= frame
.arguments
4025 args
= v
.varargize
(mpropdef
, signaturemap
, recv
, self.n_args
.n_exprs
)
4028 # Standard call-next-method
4029 return v
.supercall
(mpropdef
, recv
.mtype
.as(MClassType), args
)
4033 redef class ANewExpr
4036 var mtype
= self.recvtype
4037 assert mtype
!= null
4039 if mtype
.mclass
.name
== "NativeArray" then
4040 assert self.n_args
.n_exprs
.length
== 1
4041 var l
= v
.expr
(self.n_args
.n_exprs
.first
, null)
4042 assert mtype
isa MGenericType
4043 var elttype
= mtype
.arguments
.first
4044 return v
.native_array_instance
(elttype
, l
)
4047 var callsite
= self.callsite
4048 if callsite
== null then return v
.init_instance_or_extern
(mtype
)
4049 if callsite
.is_broken
then return null
4052 # new factories are badly implemented.
4053 # They assume a stub temporary receiver exists.
4054 # This temporary receiver is required because it
4055 # currently holds the method and the formal types.
4057 # However, this object could be reused if the formal types are the same.
4058 # Therefore, the following code will `once` it in these case
4059 if callsite
.mproperty
.is_new
and not mtype
.need_anchor
then
4060 var name
= v
.get_name
("varoncenew")
4061 var guard
= v
.get_name
(name
+ "_guard")
4062 v
.add_decl
("static {mtype.ctype} {name};")
4063 v
.add_decl
("static int {guard};")
4064 recv
= v
.new_var
(mtype
)
4065 v
.add
("if (likely({guard})) \{")
4066 v
.add
("{recv} = {name};")
4068 var i
= v
.init_instance_or_extern
(mtype
)
4069 v
.add
("{recv} = {i};")
4070 v
.add
("{name} = {recv};")
4071 v
.add
("{guard} = 1;")
4074 recv
= v
.init_instance_or_extern
(mtype
)
4077 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
4078 var res2
= v
.compile_callsite
(callsite
, args
)
4079 if res2
!= null then
4080 #self.debug("got {res2} from {mproperty}. drop {recv}")
4087 redef class AAttrExpr
4090 var recv
= v
.expr
(self.n_expr
, null)
4091 var mproperty
= self.mproperty
.as(not null)
4092 return v
.read_attribute
(mproperty
, recv
)
4096 redef class AAttrAssignExpr
4099 var recv
= v
.expr
(self.n_expr
, null)
4100 var i
= v
.expr
(self.n_value
, null)
4101 var mproperty
= self.mproperty
.as(not null)
4102 v
.write_attribute
(mproperty
, recv
, i
)
4107 redef class AAttrReassignExpr
4110 var recv
= v
.expr
(self.n_expr
, null)
4111 var value
= v
.expr
(self.n_value
, null)
4112 var mproperty
= self.mproperty
.as(not null)
4113 var attr
= v
.read_attribute
(mproperty
, recv
)
4114 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [attr
, value
])
4116 v
.write_attribute
(mproperty
, recv
, res
)
4120 redef class AIssetAttrExpr
4123 var recv
= v
.expr
(self.n_expr
, null)
4124 var mproperty
= self.mproperty
.as(not null)
4125 return v
.isset_attribute
(mproperty
, recv
)
4129 redef class AVarargExpr
4132 return v
.expr
(self.n_expr
, null)
4136 redef class ANamedargExpr
4139 return v
.expr
(self.n_expr
, null)
4143 redef class ADebugTypeExpr
4152 redef class Array[E
]
4153 # Return a new `Array` with the elements only contened in self and not in `o`
4154 fun -(o
: Array[E
]): Array[E
] do
4155 var res
= new Array[E
]
4156 for e
in self do if not o
.has
(e
) then res
.add
(e
)
4162 # All `MProperty` associated to all `MClassDef` of `mclass`
4163 fun properties
(mclass
: MClass): Set[MProperty] do
4164 if not self.properties_cache
.has_key
(mclass
) then
4165 var properties
= new HashSet[MProperty]
4166 var parents
= new Array[MClass]
4167 if self.flatten_mclass_hierarchy
.has
(mclass
) then
4168 parents
.add_all
(mclass
.in_hierarchy
(self).direct_greaters
)
4170 for parent
in parents
do
4171 properties
.add_all
(self.properties
(parent
))
4173 for mclassdef
in mclass
.mclassdefs
do
4174 if not self.in_importation
<= mclassdef
.mmodule
then continue
4175 for mprop
in mclassdef
.intro_mproperties
do
4176 properties
.add
(mprop
)
4179 self.properties_cache
[mclass
] = properties
4181 return properties_cache
[mclass
]
4183 private var properties_cache
: Map[MClass, Set[MProperty]] = new HashMap[MClass, Set[MProperty]]
4185 # Write FFI and nitni results to file
4186 fun finalize_ffi
(c
: AbstractCompiler) do end
4188 # Give requided addinional system libraries (as given to LD_LIBS)
4189 # Note: can return null instead of an empty set
4190 fun collect_linker_libs
: nullable Array[String] do return null
4193 # Create a tool context to handle options and paths
4194 var toolcontext
= new ToolContext
4196 toolcontext
.tooldescription
= "Usage: nitc [OPTION]... file.nit...\nCompiles Nit programs."
4198 # We do not add other options, so process them now!
4199 toolcontext
.process_options
(args
)
4201 # We need a model to collect stufs
4202 var model
= new Model
4203 # An a model builder to parse files
4204 var modelbuilder
= new ModelBuilder(model
, toolcontext
)
4206 var arguments
= toolcontext
.option_context
.rest
4207 if toolcontext
.opt_run
.value
then
4208 # When --run, only the first is the program, the rest is the run arguments
4209 arguments
= [toolcontext
.option_context
.rest
.shift
]
4211 if arguments
.length
> 1 and toolcontext
.opt_output
.value
!= null then
4212 print
"Option Error: --output needs a single source file. Do you prefer --dir?"
4216 # Here we load an process all modules passed on the command line
4217 var mmodules
= modelbuilder
.parse
(arguments
)
4219 if mmodules
.is_empty
then toolcontext
.quit
4221 modelbuilder
.run_phases
4223 for mmodule
in mmodules
do
4224 toolcontext
.info
("*** PROCESS {mmodule} ***", 1)
4226 toolcontext
.run_global_phases
(ms
)