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_no_cc
= new OptionBool("Do not invoke the C compiler", "--no-cc")
37 var opt_no_main
= new OptionBool("Do not generate main entry point", "--no-main")
39 var opt_make_flags
= new OptionString("Additional options to the `make` command", "--make-flags")
41 var opt_max_c_lines
= new OptionInt("Maximum number of lines in generated C files. Use 0 for unlimited", 10000, "--max-c-lines")
43 var opt_group_c_files
= new OptionBool("Group all generated code in the same series of files", "--group-c-files")
45 var opt_compile_dir
= new OptionString("Directory used to generate temporary files", "--compile-dir")
47 var opt_hardening
= new OptionBool("Generate contracts in the C code against bugs in the compiler", "--hardening")
48 # --no-check-covariance
49 var opt_no_check_covariance
= new OptionBool("Disable type tests of covariant parameters (dangerous)", "--no-check-covariance")
50 # --no-check-attr-isset
51 var opt_no_check_attr_isset
= new OptionBool("Disable isset tests before each attribute access (dangerous)", "--no-check-attr-isset")
53 var opt_no_check_assert
= new OptionBool("Disable the evaluation of explicit `assert` and `as` (dangerous)", "--no-check-assert")
55 var opt_no_check_autocast
= new OptionBool("Disable implicit casts on unsafe expression usage (dangerous)", "--no-check-autocast")
57 var opt_no_check_null
= new OptionBool("Disable tests of null receiver (dangerous)", "--no-check-null")
59 var opt_no_check_all
= new OptionBool("Disable all tests (dangerous)", "--no-check-all")
60 # --typing-test-metrics
61 var opt_typing_test_metrics
= new OptionBool("Enable static and dynamic count of all type tests", "--typing-test-metrics")
62 # --invocation-metrics
63 var opt_invocation_metrics
= new OptionBool("Enable static and dynamic count of all method invocations", "--invocation-metrics")
64 # --isset-checks-metrics
65 var opt_isset_checks_metrics
= new OptionBool("Enable static and dynamic count of isset checks before attributes access", "--isset-checks-metrics")
67 var opt_no_stacktrace
= new OptionBool("Disable the generation of stack traces", "--no-stacktrace")
69 var opt_no_gcc_directive
= new OptionArray("Disable advanced gcc directives for optimization", "--no-gcc-directive")
71 var opt_release
= new OptionBool("Compile in release mode and finalize application", "--release")
73 var opt_debug
= new OptionBool("Compile in debug mode (no C-side optimization)", "-g", "--debug")
78 self.option_context
.add_option
(self.opt_output
, self.opt_dir
, self.opt_no_cc
, self.opt_no_main
, self.opt_make_flags
, self.opt_compile_dir
, self.opt_hardening
)
79 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
)
80 self.option_context
.add_option
(self.opt_typing_test_metrics
, self.opt_invocation_metrics
, self.opt_isset_checks_metrics
)
81 self.option_context
.add_option
(self.opt_no_stacktrace
)
82 self.option_context
.add_option
(self.opt_no_gcc_directive
)
83 self.option_context
.add_option
(self.opt_release
)
84 self.option_context
.add_option
(self.opt_max_c_lines
, self.opt_group_c_files
)
85 self.option_context
.add_option
(self.opt_debug
)
87 opt_no_main
.hidden
= true
90 redef fun process_options
(args
)
94 if opt_output
.value
!= null and opt_dir
.value
!= null then
95 print
"Option Error: cannot use both --dir and --output"
99 if opt_no_check_all
.value
then
100 opt_no_check_covariance
.value
= true
101 opt_no_check_attr_isset
.value
= true
102 opt_no_check_assert
.value
= true
103 opt_no_check_autocast
.value
= true
104 opt_no_check_null
.value
= true
109 redef class ModelBuilder
110 # Simple indirection to `Toolchain::write_and_make`
111 protected fun write_and_make
(compiler
: AbstractCompiler)
113 var platform
= compiler
.target_platform
114 var toolchain
= platform
.toolchain
(toolcontext
, compiler
)
115 compiler
.toolchain
= toolchain
116 toolchain
.write_and_make
121 # The specific tool-chain associated to the platform
122 fun toolchain
(toolcontext
: ToolContext, compiler
: AbstractCompiler): Toolchain
124 return new MakefileToolchain(toolcontext
, compiler
)
128 # Build toolchain for a specific target program, varies per `Platform`
132 var toolcontext
: ToolContext
134 # Compiler of the target program
135 var compiler
: AbstractCompiler
137 # Directory where to generate all files
139 # The option `--compile_dir` change this directory.
140 fun root_compile_dir
: String
142 var compile_dir
= toolcontext
.opt_compile_dir
.value
143 if compile_dir
== null then compile_dir
= "nit_compile"
147 # Directory where to generate all C files
149 # By default it is `root_compile_dir` but some platform may require that it is a subdirectory.
150 fun compile_dir
: String do return root_compile_dir
152 # Write all C files and compile them
153 fun write_and_make
is abstract
156 # Default toolchain using a Makefile
157 class MakefileToolchain
160 redef fun write_and_make
162 var debug
= toolcontext
.opt_debug
.value
163 var compile_dir
= compile_dir
165 # Remove the compilation directory unless explicitly set
166 var auto_remove
= toolcontext
.opt_compile_dir
.value
== null
167 # If debug flag is set, do not remove sources
168 if debug
then auto_remove
= false
170 # Generate the .h and .c files
171 # A single C file regroups many compiled rumtime functions
172 # 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
174 self.toolcontext
.info
("*** WRITING C ***", 1)
176 root_compile_dir
.mkdir
179 var cfiles
= new Array[String]
180 write_files
(compile_dir
, cfiles
)
182 # Generate the Makefile
184 write_makefile
(compile_dir
, cfiles
)
187 self.toolcontext
.info
("*** END WRITING C: {time1-time0} ***", 2)
189 # Execute the Makefile
191 if self.toolcontext
.opt_no_cc
.value
then return
194 self.toolcontext
.info
("*** COMPILING C ***", 1)
196 compile_c_code
(compile_dir
)
199 sys
.system
("rm -r -- '{root_compile_dir.escape_to_sh}/'")
203 self.toolcontext
.info
("*** END COMPILING C: {time1-time0} ***", 2)
206 # Write all source files to the `compile_dir`
207 fun write_files
(compile_dir
: String, cfiles
: Array[String])
209 var platform
= compiler
.target_platform
210 if platform
.supports_libunwind
then compiler
.build_c_to_nit_bindings
211 var cc_opt_with_libgc
= "-DWITH_LIBGC"
212 if not platform
.supports_libgc
then cc_opt_with_libgc
= ""
214 # Add gc_choser.h to aditionnal bodies
215 var gc_chooser
= new ExternCFile("gc_chooser.c", cc_opt_with_libgc
)
216 if cc_opt_with_libgc
!= "" then gc_chooser
.pkgconfigs
.add
"bdw-gc"
217 compiler
.extern_bodies
.add
(gc_chooser
)
218 var clib
= toolcontext
.nit_dir
/ "clib"
219 compiler
.files_to_copy
.add
"{clib}/gc_chooser.c"
220 compiler
.files_to_copy
.add
"{clib}/gc_chooser.h"
223 for m
in compiler
.mainmodule
.in_importation
.greaters
do
224 compiler
.finalize_ffi_for_module
(m
)
227 # Copy original .[ch] files to compile_dir
228 for src
in compiler
.files_to_copy
do
229 var basename
= src
.basename
230 var dst
= "{compile_dir}/{basename}"
234 var hfilename
= compiler
.header
.file
.name
+ ".h"
235 var hfilepath
= "{compile_dir}/{hfilename}"
236 var h
= new FileWriter.open
(hfilepath
)
237 for l
in compiler
.header
.decl_lines
do
241 for l
in compiler
.header
.lines
do
247 var max_c_lines
= toolcontext
.opt_max_c_lines
.value
248 for f
in compiler
.files
do
251 var file
: nullable FileWriter = null
252 for vis
in f
.writers
do
253 if vis
== compiler
.header
then continue
254 var total_lines
= vis
.lines
.length
+ vis
.decl_lines
.length
255 if total_lines
== 0 then continue
257 if file
== null or (count
> max_c_lines
and max_c_lines
> 0) then
259 if file
!= null then file
.close
260 var cfilename
= "{f.name}.{i}.c"
261 var cfilepath
= "{compile_dir}/{cfilename}"
262 self.toolcontext
.info
("new C source files to compile: {cfilepath}", 3)
263 cfiles
.add
(cfilename
)
264 file
= new FileWriter.open
(cfilepath
)
265 file
.write
"#include \"{f.name}.0.h\
"\n"
268 for l
in vis
.decl_lines
do
272 for l
in vis
.lines
do
277 if file
== null then continue
280 var cfilename
= "{f.name}.0.h"
281 var cfilepath
= "{compile_dir}/{cfilename}"
282 var hfile
: nullable FileWriter = null
283 hfile
= new FileWriter.open
(cfilepath
)
284 hfile
.write
"#include \"{hfilename}\
"\n"
285 for key
in f
.required_declarations
do
286 if not compiler
.provided_declarations
.has_key
(key
) then
287 var node
= compiler
.requirers_of_declarations
.get_or_null
(key
)
289 node
.debug
"No provided declaration for {key}"
291 print
"No provided declaration for {key}"
295 hfile
.write compiler
.provided_declarations
[key
]
301 self.toolcontext
.info
("Total C source files to compile: {cfiles.length}", 2)
304 # Get the name of the Makefile to use
305 fun makefile_name
: String do return "{compiler.mainmodule.c_name}.mk"
307 # Get the default name of the executable to produce
308 fun default_outname
: String
310 var mainmodule
= compiler
.mainmodule
.first_real_mmodule
311 return mainmodule
.name
314 # Combine options and platform informations to get the final path of the outfile
315 fun outfile
(mainmodule
: MModule): String
317 var res
= self.toolcontext
.opt_output
.value
318 if res
!= null then return res
319 res
= default_outname
320 var dir
= self.toolcontext
.opt_dir
.value
321 if dir
!= null then return dir
.join_path
(res
)
326 fun write_makefile
(compile_dir
: String, cfiles
: Array[String])
328 var mainmodule
= compiler
.mainmodule
329 var platform
= compiler
.target_platform
331 var outname
= outfile
(mainmodule
)
333 var real_outpath
= compile_dir
.relpath
(outname
)
334 var outpath
= real_outpath
.escape_to_mk
335 if outpath
!= real_outpath
then
336 # If the name is crazy and need escaping, we will do an indirection
337 # 1. generate the binary in the nit_compile dir under an escaped name
338 # 2. copy the binary at the right place in the `all` goal.
339 outpath
= mainmodule
.c_name
341 var makename
= makefile_name
342 var makepath
= "{compile_dir}/{makename}"
343 var makefile
= new FileWriter.open
(makepath
)
345 var linker_options
= new HashSet[String]
346 for m
in mainmodule
.in_importation
.greaters
do
347 var libs
= m
.collect_linker_libs
348 if libs
!= null then linker_options
.add_all
(libs
)
350 var debug
= toolcontext
.opt_debug
.value
355 CFLAGS ?= -g {{{if not debug then "-O2" else ""}}} -Wno-unused-value -Wno-switch -Wno-attributes -Wno-trigraphs
358 LDLIBS ?= -lm {{{linker_options.join(" ")}}}
361 makefile
.write
"\n# SPECIAL CONFIGURATION FLAGS\n"
362 if platform
.supports_libunwind
then
363 if toolcontext
.opt_no_stacktrace
.value
then
364 makefile
.write
"NO_STACKTRACE ?= True"
366 makefile
.write
"NO_STACKTRACE ?= # Set to `True` to enable"
370 # Dynamic adaptations
371 # While `platform` enable complex toolchains, they are statically applied
372 # For a dynamic adaptsation of the compilation, the generated Makefile should check and adapt things itself
373 makefile
.write
"\n\n"
375 # Check and adapt the targeted system
376 makefile
.write
("uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')\n")
378 # Check and adapt for the compiler used
379 # clang need an additionnal `-Qunused-arguments`
380 makefile
.write
("clang_check := $(shell sh -c '$(CC) -v 2>&1 | grep -q clang; echo $$?')\nifeq ($(clang_check), 0)\n\tCFLAGS += -Qunused-arguments\nendif\n")
382 if platform
.supports_libunwind
then
384 ifneq ($(NO_STACKTRACE), True)
385 # Check and include lib-unwind in a portable way
386 ifneq ($(uname_S),Darwin)
387 # already included on macosx, but need to get the correct flags in other supported platforms.
388 ifeq ($(shell pkg-config --exists 'libunwind'; echo $$?), 0)
389 LDLIBS += `pkg-config --libs libunwind`
390 CFLAGS += `pkg-config --cflags libunwind`
392 $(warning "[_] stack-traces disabled. Please install libunwind-dev.")
393 CFLAGS += -D NO_STACKTRACE
397 # Stacktraces disabled
398 CFLAGS += -D NO_STACKTRACE
403 makefile
.write
("CFLAGS += -D NO_STACKTRACE\n\n")
407 # Special configuration for Darwin
408 ifeq ($(uname_S),Darwin)
409 # Remove POSIX flag -lrt
410 LDLIBS := $(filter-out -lrt,$(LDLIBS))
413 # Special configuration for Windows under mingw64
414 ifneq ($(findstring MINGW64,$(uname_S)),)
415 # Use the pcreposix regex library
416 LDLIBS += -lpcreposix
418 # Remove POSIX flag -lrt
419 LDLIBS := $(filter-out -lrt,$(LDLIBS))
421 # Silence warnings when storing Int, Char and Bool as pointer address
422 CFLAGS += -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast
427 makefile
.write
("all: {outpath}\n")
428 if outpath
!= real_outpath
then
429 makefile
.write
("\tcp -- {outpath.escape_to_sh} {real_outpath.escape_to_sh.replace("$","$$")}")
433 var ofiles
= new Array[String]
434 var dep_rules
= new Array[String]
435 # Compile each generated file
437 var o
= f
.strip_extension
(".c") + ".o"
438 makefile
.write
("{o}: {f}\n\t$(CC) $(CFLAGS) $(CINCL) -c -o {o} {f}\n\n")
443 # Generate linker script, if any
444 if not compiler
.linker_script
.is_empty
then
445 var linker_script_path
= "{compile_dir}/linker_script"
446 ofiles
.add
"linker_script"
447 var f
= new FileWriter.open
(linker_script_path
)
448 for l
in compiler
.linker_script
do
455 var java_files
= new Array[ExternFile]
457 var pkgconfigs
= new Array[String]
458 for f
in compiler
.extern_bodies
do
459 pkgconfigs
.add_all f
.pkgconfigs
462 if not pkgconfigs
.is_empty
then
464 # does pkg-config exists?
465 ifneq ($(shell which pkg-config >/dev/null; echo $$?), 0)
466 $(error "Command `pkg-config` not found. Please install it")
469 for p
in pkgconfigs
do
471 # Check for library {{{p}}}
472 ifneq ($(shell pkg-config --exists '{{{p}}}'; echo $$?), 0)
473 $(error "pkg-config: package {{{p}}} is not found.")
479 # Compile each required extern body into a specific .o
480 for f
in compiler
.extern_bodies
do
481 var o
= f
.makefile_rule_name
482 var ff
= f
.filename
.basename
483 makefile
.write
("{o}: {ff}\n")
484 makefile
.write
("\t{f.makefile_rule_content}\n\n")
485 dep_rules
.add
(f
.makefile_rule_name
)
487 if f
.compiles_to_o_file
then ofiles
.add
(o
)
488 if f
.add_to_jar
then java_files
.add
(f
)
491 if not java_files
.is_empty
then
492 var jar_file
= "{outpath}.jar"
494 var class_files_array
= new Array[String]
495 for f
in java_files
do class_files_array
.add
(f
.makefile_rule_name
)
496 var class_files
= class_files_array
.join
(" ")
498 makefile
.write
("{jar_file}: {class_files}\n")
499 makefile
.write
("\tjar cf {jar_file} {class_files}\n\n")
500 dep_rules
.add jar_file
505 if not pkgconfigs
.is_empty
then
506 pkg
= "`pkg-config --libs {pkgconfigs.join(" ")}`"
508 makefile
.write
("{outpath}: {dep_rules.join(" ")}\n\t$(CC) $(LDFLAGS) -o {outpath.escape_to_sh} {ofiles.join(" ")} $(LDLIBS) {pkg}\n\n")
510 makefile
.write
("clean:\n\trm {ofiles.join(" ")} 2>/dev/null\n")
511 if outpath
!= real_outpath
then
512 makefile
.write
("\trm -- {outpath.escape_to_sh} 2>/dev/null\n")
515 self.toolcontext
.info
("Generated makefile: {makepath}", 2)
517 makepath
.file_copy_to
"{compile_dir}/Makefile"
520 # The C code is generated, compile it to an executable
521 fun compile_c_code
(compile_dir
: String)
523 var makename
= makefile_name
525 var makeflags
= self.toolcontext
.opt_make_flags
.value
526 if makeflags
== null then makeflags
= ""
528 var command
= "make -B -C {compile_dir} -f {makename} -j 4 {makeflags}"
529 self.toolcontext
.info
(command
, 2)
532 if self.toolcontext
.verbose_level
>= 3 then
533 res
= sys
.system
("{command} 2>&1")
534 else if is_windows
then
535 res
= sys
.system
("{command} 2>&1 >nul")
537 res
= sys
.system
("{command} 2>&1 >/dev/null")
540 toolcontext
.error
(null, "Compilation Error: `make` failed with error code: {res}. The command was `{command}`.")
545 # Singleton that store the knowledge about the compilation process
546 abstract class AbstractCompiler
547 type VISITOR: AbstractCompilerVisitor
549 # Table corresponding c_names to nit names (methods)
550 var names
= new HashMap[String, String]
552 # The main module of the program currently compiled
553 # Is assigned during the separate compilation
554 var mainmodule
: MModule is writable
556 # The real main module of the program
557 var realmainmodule
: MModule is noinit
559 # The modelbuilder used to know the model and the AST
560 var modelbuilder
: ModelBuilder is protected writable
562 # The associated toolchain
564 # Set by `modelbuilder.write_and_make` and permit sub-routines to access the current toolchain if required.
565 var toolchain
: Toolchain is noinit
567 # Is hardening asked? (see --hardening)
568 fun hardening
: Bool do return self.modelbuilder
.toolcontext
.opt_hardening
.value
570 # The targeted specific platform
571 var target_platform
: Platform is noinit
575 self.realmainmodule
= mainmodule
576 target_platform
= mainmodule
.target_platform
or else new Platform
579 # Do the full code generation of the program `mainmodule`
580 # It is the main method usually called after the instantiation
581 fun do_compilation
is abstract
583 # Force the creation of a new file
584 # The point is to avoid contamination between must-be-compiled-separately files
585 fun new_file
(name
: String): CodeFile
587 if modelbuilder
.toolcontext
.opt_group_c_files
.value
then
588 if self.files
.is_empty
then
589 var f
= new CodeFile(mainmodule
.c_name
)
592 return self.files
.first
594 var f
= new CodeFile(name
)
599 # The list of all associated files
600 # Used to generate .c files
601 var files
= new Array[CodeFile]
603 # Initialize a visitor specific for a compiler engine
604 fun new_visitor
: VISITOR is abstract
606 # Where global declaration are stored (the main .h)
607 var header
: CodeWriter is writable, noinit
609 # Additionnal linker script for `ld`.
610 # Mainly used to do specific link-time symbol resolution
611 var linker_script
= new Array[String]
613 # Provide a declaration that can be requested (before or latter) by a visitor
614 fun provide_declaration
(key
: String, s
: String)
616 if self.provided_declarations
.has_key
(key
) then
617 assert self.provided_declarations
[key
] == s
619 self.provided_declarations
[key
] = s
622 private var provided_declarations
= new HashMap[String, String]
624 private var requirers_of_declarations
= new HashMap[String, ANode]
626 # Builds the .c and .h files to be used when generating a Stack Trace
627 # Binds the generated C function names to Nit function names
628 fun build_c_to_nit_bindings
630 var compile_dir
= toolchain
.compile_dir
632 var stream
= new FileWriter.open
("{compile_dir}/c_functions_hash.c")
633 stream
.write
("#include <string.h>\n")
634 stream
.write
("#include <stdlib.h>\n")
635 stream
.write
("#include \"c_functions_hash
.h\
"\n")
636 stream
.write
("typedef struct C_Nit_Names\{char* name; char* nit_name;\}C_Nit_Names;\n")
637 stream
.write
("const char* get_nit_name(register const char* procproc, register unsigned int len)\{\n")
638 stream
.write
("char* procname = malloc(len+1);")
639 stream
.write
("memcpy(procname, procproc, len);")
640 stream
.write
("procname[len] = '\\0';")
641 stream
.write
("static const C_Nit_Names map[{names.length}] = \{\n")
642 for i
in names
.keys
do
644 stream.write(i.escape_to_c)
645 stream.write("\
",\"")
646 stream.write(names[i].escape_to_c)
647 stream.write("\
"\},\n")
649 stream
.write
("\};\n")
650 stream
.write
("int i;")
651 stream
.write
("for(i = 0; i < {names.length}; i++)\{")
652 stream
.write
("if(strcmp(procname,map[i].name) == 0)\{")
653 stream
.write
("free(procname);")
654 stream
.write
("return map[i].nit_name;")
657 stream
.write
("free(procname);")
658 stream
.write
("return NULL;")
662 stream
= new FileWriter.open
("{compile_dir}/c_functions_hash.h")
663 stream
.write
("const char* get_nit_name(register const char* procname, register unsigned int len);\n")
666 extern_bodies
.add
(new ExternCFile("{compile_dir}/c_functions_hash.c", ""))
670 # This method call compile_header_strucs method that has to be refined
671 fun compile_header
do
672 self.header
.add_decl
("#include <stdlib.h>")
673 self.header
.add_decl
("#include <stdio.h>")
674 self.header
.add_decl
("#include <string.h>")
676 self.header
.add_decl
("#include <setjmp.h>\n")
677 self.header
.add_decl
("#include <sys/types.h>\n")
678 self.header
.add_decl
("#include <unistd.h>\n")
679 self.header
.add_decl
("#include <stdint.h>\n")
680 self.header
.add_decl
("#ifdef __linux__")
681 self.header
.add_decl
(" #include <endian.h>")
682 self.header
.add_decl
("#endif")
683 self.header
.add_decl
("#include <inttypes.h>\n")
684 self.header
.add_decl
("#include \"gc_chooser
.h\
"")
685 self.header
.add_decl
("#ifdef __APPLE__")
686 self.header
.add_decl
(" #include <TargetConditionals.h>")
687 self.header
.add_decl
(" #include <syslog.h>")
688 self.header
.add_decl
(" #include <libkern/OSByteOrder.h>")
689 self.header
.add_decl
(" #define be32toh(x) OSSwapBigToHostInt32(x)")
690 self.header
.add_decl
("#endif")
691 self.header
.add_decl
("#ifdef _WIN32")
692 self.header
.add_decl
(" #define be32toh(val) _byteswap_ulong(val)")
693 self.header
.add_decl
("#endif")
694 self.header
.add_decl
("#ifdef __pnacl__")
695 self.header
.add_decl
(" #define be16toh(val) (((val) >> 8) | ((val) << 8))")
696 self.header
.add_decl
(" #define be32toh(val) ((be16toh((val) << 16) | (be16toh((val) >> 16))))")
697 self.header
.add_decl
("#endif")
698 self.header
.add_decl
("#ifdef ANDROID")
699 self.header
.add_decl
(" #ifndef be32toh")
700 self.header
.add_decl
(" #define be32toh(val) betoh32(val)")
701 self.header
.add_decl
(" #endif")
702 self.header
.add_decl
(" #include <android/log.h>")
703 self.header
.add_decl
(" #define PRINT_ERROR(...) (void)__android_log_print(ANDROID_LOG_WARN, \"Nit\
", __VA_ARGS__)")
704 self.header
.add_decl
("#elif TARGET_OS_IPHONE")
705 self.header
.add_decl
(" #define PRINT_ERROR(...) syslog(LOG_ERR, __VA_ARGS__)")
706 self.header
.add_decl
("#else")
707 self.header
.add_decl
(" #define PRINT_ERROR(...) fprintf(stderr, __VA_ARGS__)")
708 self.header
.add_decl
("#endif")
710 compile_header_structs
711 compile_nitni_structs
714 var gccd_disable
= modelbuilder
.toolcontext
.opt_no_gcc_directive
.value
715 if gccd_disable
.has
("noreturn") or gccd_disable
.has
("all") then
716 # Signal handler function prototype
717 self.header
.add_decl
("void fatal_exit(int);")
719 self.header
.add_decl
("void fatal_exit(int) __attribute__ ((noreturn));")
722 if gccd_disable
.has
("likely") or gccd_disable
.has
("all") then
723 self.header
.add_decl
("#define likely(x) (x)")
724 self.header
.add_decl
("#define unlikely(x) (x)")
725 else if gccd_disable
.has
("correct-likely") then
726 # invert the `likely` definition
727 # Used by masochists to bench the worst case
728 self.header
.add_decl
("#define likely(x) __builtin_expect((x),0)")
729 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),1)")
731 self.header
.add_decl
("#define likely(x) __builtin_expect((x),1)")
732 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),0)")
735 # Global variable used by intern methods
736 self.header
.add_decl
("extern int glob_argc;")
737 self.header
.add_decl
("extern char **glob_argv;")
738 self.header
.add_decl
("extern val *glob_sys;")
741 # Stack stocking environment for longjumps
742 protected fun compile_catch_stack
do
743 self.header
.add_decl
"""
744 struct catch_stack_t {
748 extern struct catch_stack_t catchStack;
752 # Declaration of structures for live Nit types
753 protected fun compile_header_structs
is abstract
755 # Declaration of structures for nitni undelying the FFI
756 protected fun compile_nitni_structs
758 self.header
.add_decl
"""
759 /* Native reference to Nit objects */
760 /* This structure is used to represent every Nit type in extern methods and custom C code. */
762 struct nitni_ref *next,
763 *prev; /* adjacent global references in global list */
764 int count; /* number of time this global reference has been marked */
767 /* List of global references from C code to Nit objects */
768 /* Instanciated empty at init of Nit system and filled explicitly by user in C code */
769 struct nitni_global_ref_list_t {
770 struct nitni_ref *head, *tail;
772 extern struct nitni_global_ref_list_t *nitni_global_ref_list;
774 /* Initializer of global reference list */
775 extern void nitni_global_ref_list_init();
777 /* Intern function to add a global reference to the list */
778 extern void nitni_global_ref_add( struct nitni_ref *ref );
780 /* Intern function to remove a global reference from the list */
781 extern void nitni_global_ref_remove( struct nitni_ref *ref );
783 /* Increase count on an existing global reference */
784 extern void nitni_global_ref_incr( struct nitni_ref *ref );
786 /* Decrease count on an existing global reference */
787 extern void nitni_global_ref_decr( struct nitni_ref *ref );
791 fun compile_finalizer_function
793 var finalizable_type
= mainmodule
.finalizable_type
794 if finalizable_type
== null then return
796 var finalize_meth
= mainmodule
.try_get_primitive_method
("finalize", finalizable_type
.mclass
)
798 if finalize_meth
== null then
799 modelbuilder
.toolcontext
.error
(null, "Error: the `Finalizable` class does not declare the `finalize` method.")
803 var v
= self.new_visitor
804 v
.add_decl
"void gc_finalize (void *obj, void *client_data) \{"
805 var recv
= v
.new_expr
("obj", finalizable_type
)
806 v
.send
(finalize_meth
, [recv
])
810 # Hook to add specif piece of code before the the main C function.
812 # Is called by `compile_main_function`
813 fun compile_before_main
(v
: VISITOR)
817 # Hook to add specif piece of code at the begin on the main C function.
819 # Is called by `compile_main_function`
820 fun compile_begin_main
(v
: VISITOR)
824 # Generate the main C function.
828 # * allocate the Sys object if it exists
829 # * call init if is exists
830 # * call main if it exists
831 fun compile_main_function
833 var v
= self.new_visitor
834 v
.add_decl
("#include <signal.h>")
835 var platform
= target_platform
837 var no_main
= platform
.no_main
or modelbuilder
.toolcontext
.opt_no_main
.value
839 if platform
.supports_libunwind
then
840 v
.add_decl
("#ifndef NO_STACKTRACE")
841 v
.add_decl
("#define UNW_LOCAL_ONLY")
842 v
.add_decl
("#include <libunwind.h>")
843 v
.add_decl
("#include \"c_functions_hash
.h\
"")
846 v
.add_decl
("int glob_argc;")
847 v
.add_decl
("char **glob_argv;")
848 v
.add_decl
("val *glob_sys;")
849 v
.add_decl
("struct catch_stack_t catchStack;")
851 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
852 for tag
in count_type_test_tags
do
853 v
.add_decl
("long count_type_test_resolved_{tag};")
854 v
.add_decl
("long count_type_test_unresolved_{tag};")
855 v
.add_decl
("long count_type_test_skipped_{tag};")
856 v
.compiler
.header
.add_decl
("extern long count_type_test_resolved_{tag};")
857 v
.compiler
.header
.add_decl
("extern long count_type_test_unresolved_{tag};")
858 v
.compiler
.header
.add_decl
("extern long count_type_test_skipped_{tag};")
862 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
863 v
.add_decl
("long count_invoke_by_tables;")
864 v
.add_decl
("long count_invoke_by_direct;")
865 v
.add_decl
("long count_invoke_by_inline;")
866 v
.compiler
.header
.add_decl
("extern long count_invoke_by_tables;")
867 v
.compiler
.header
.add_decl
("extern long count_invoke_by_direct;")
868 v
.compiler
.header
.add_decl
("extern long count_invoke_by_inline;")
871 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
872 v
.add_decl
("long count_attr_reads = 0;")
873 v
.add_decl
("long count_isset_checks = 0;")
874 v
.compiler
.header
.add_decl
("extern long count_attr_reads;")
875 v
.compiler
.header
.add_decl
("extern long count_isset_checks;")
878 v
.add_decl
("static void show_backtrace(void) \{")
879 if platform
.supports_libunwind
then
880 v
.add_decl
("#ifndef NO_STACKTRACE")
881 v
.add_decl
("char* opt = getenv(\"NIT_NO_STACK\
");")
882 v
.add_decl
("unw_cursor_t cursor;")
883 v
.add_decl
("if(opt==NULL)\{")
884 v
.add_decl
("unw_context_t uc;")
885 v
.add_decl
("unw_word_t ip;")
886 v
.add_decl
("char* procname = malloc(sizeof(char) * 100);")
887 v
.add_decl
("unw_getcontext(&uc);")
888 v
.add_decl
("unw_init_local(&cursor, &uc);")
889 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
890 v
.add_decl
("PRINT_ERROR(\"-- Stack Trace ------------------------------\\n\
");")
891 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
892 v
.add_decl
("while (unw_step(&cursor) > 0) \{")
893 v
.add_decl
(" unw_get_proc_name(&cursor, procname, 100, &ip);")
894 v
.add_decl
(" const char* recv = get_nit_name(procname, strlen(procname));")
895 v
.add_decl
(" if (recv != NULL)\{")
896 v
.add_decl
(" PRINT_ERROR(\"` %s\\n\", recv);")
897 v.add_decl(" \}else\{")
898 v.add_decl(" PRINT_ERROR(\"` %s\\n\
", procname);")
901 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
902 v
.add_decl
("free(procname);")
904 v
.add_decl
("#endif /* NO_STACKTRACE */")
908 v
.add_decl
("void sig_handler(int signo)\{")
909 v
.add_decl
"#ifdef _WIN32"
910 v
.add_decl
"PRINT_ERROR(\"Caught signal
: %s\\n\
", signo);"
912 v
.add_decl
("PRINT_ERROR(\"Caught signal
: %s\\n\
", strsignal(signo));")
914 v
.add_decl
("show_backtrace();")
916 v
.add_decl
("signal(signo, SIG_DFL);")
917 v
.add_decl
"#ifndef _WIN32"
918 v
.add_decl
("kill(getpid(), signo);")
922 v
.add_decl
("void fatal_exit(int status) \{")
923 v
.add_decl
("show_backtrace();")
924 v
.add_decl
("exit(status);")
927 compile_before_main
(v
)
930 v
.add_decl
("int nit_main(int argc, char** argv) \{")
932 v
.add_decl
("int main(int argc, char** argv) \{")
935 compile_begin_main
(v
)
937 v
.add
"#if !defined(__ANDROID__) && !defined(TARGET_OS_IPHONE)"
938 v
.add
("signal(SIGABRT, sig_handler);")
939 v
.add
("signal(SIGFPE, sig_handler);")
940 v
.add
("signal(SIGILL, sig_handler);")
941 v
.add
("signal(SIGINT, sig_handler);")
942 v
.add
("signal(SIGTERM, sig_handler);")
943 v
.add
("signal(SIGSEGV, sig_handler);")
945 v
.add
"#ifndef _WIN32"
946 v
.add
("signal(SIGPIPE, SIG_IGN);")
949 v
.add
("glob_argc = argc; glob_argv = argv;")
950 v
.add
("catchStack.cursor = -1;")
951 v
.add
("initialize_gc_option();")
953 v
.add
"initialize_nitni_global_refs();"
955 var main_type
= mainmodule
.sys_type
956 if main_type
!= null then
957 var mainmodule
= v
.compiler
.mainmodule
958 var glob_sys
= v
.init_instance
(main_type
)
959 v
.add
("glob_sys = {glob_sys};")
960 var main_init
= mainmodule
.try_get_primitive_method
("init", main_type
.mclass
)
961 if main_init
!= null then
962 v
.send
(main_init
, [glob_sys
])
964 var main_method
= mainmodule
.try_get_primitive_method
("run", main_type
.mclass
) or else
965 mainmodule
.try_get_primitive_method
("main", main_type
.mclass
)
966 if main_method
!= null then
967 v
.send
(main_method
, [glob_sys
])
971 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
972 v
.add_decl
("long count_type_test_resolved_total = 0;")
973 v
.add_decl
("long count_type_test_unresolved_total = 0;")
974 v
.add_decl
("long count_type_test_skipped_total = 0;")
975 v
.add_decl
("long count_type_test_total_total = 0;")
976 for tag
in count_type_test_tags
do
977 v
.add_decl
("long count_type_test_total_{tag};")
978 v
.add
("count_type_test_total_{tag} = count_type_test_resolved_{tag} + count_type_test_unresolved_{tag} + count_type_test_skipped_{tag};")
979 v
.add
("count_type_test_resolved_total += count_type_test_resolved_{tag};")
980 v
.add
("count_type_test_unresolved_total += count_type_test_unresolved_{tag};")
981 v
.add
("count_type_test_skipped_total += count_type_test_skipped_{tag};")
982 v
.add
("count_type_test_total_total += count_type_test_total_{tag};")
984 v
.add
("printf(\"# dynamic count_type_test: total %l\\n\");")
985 v
.add
("printf(\"\\tresolved\\tunresolved\\tskipped\\ttotal\\n\
");")
986 var tags
= count_type_test_tags
.to_a
989 v
.add
("printf(\"{tag}\
");")
990 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_resolved_{tag}, 100.0*count_type_test_resolved_{tag}/count_type_test_total_total);")
991 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_unresolved_{tag}, 100.0*count_type_test_unresolved_{tag}/count_type_test_total_total);")
992 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_skipped_{tag}, 100.0*count_type_test_skipped_{tag}/count_type_test_total_total);")
993 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\\n\
", count_type_test_total_{tag}, 100.0*count_type_test_total_{tag}/count_type_test_total_total);")
997 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
998 v
.add_decl
("long count_invoke_total;")
999 v
.add
("count_invoke_total = count_invoke_by_tables + count_invoke_by_direct + count_invoke_by_inline;")
1000 v
.add
("printf(\"# dynamic count_invocation: total %ld\\n\", count_invoke_total);")
1001 v
.add
("printf(\"by table
: %ld
(%.2f
%%)\\n\
", count_invoke_by_tables, 100.0*count_invoke_by_tables/count_invoke_total);")
1002 v
.add
("printf(\"direct
: %ld
(%.2f
%%)\\n\
", count_invoke_by_direct, 100.0*count_invoke_by_direct/count_invoke_total);")
1003 v
.add
("printf(\"inlined
: %ld
(%.2f
%%)\\n\
", count_invoke_by_inline, 100.0*count_invoke_by_inline/count_invoke_total);")
1006 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
1007 v
.add
("printf(\"# dynamic attribute reads: %ld\\n\", count_attr_reads);")
1008 v
.add
("printf(\"# dynamic isset checks: %ld\\n\", count_isset_checks);")
1014 for m
in mainmodule
.in_importation
.greaters
do
1015 var f
= "FILE_"+m
.c_name
1016 v
.add
"const char {f}[] = \"{m.location.file.filename.escape_to_c}\
";"
1017 provide_declaration
(f
, "extern const char {f}[];")
1021 # Copile all C functions related to the [incr|decr]_ref features of the FFI
1022 fun compile_nitni_global_ref_functions
1024 var v
= self.new_visitor
1026 struct nitni_global_ref_list_t *nitni_global_ref_list;
1027 void initialize_nitni_global_refs() {
1028 nitni_global_ref_list = (struct nitni_global_ref_list_t*)nit_alloc(sizeof(struct nitni_global_ref_list_t));
1029 nitni_global_ref_list->head = NULL;
1030 nitni_global_ref_list->tail = NULL;
1033 void nitni_global_ref_add( struct nitni_ref *ref ) {
1034 if ( nitni_global_ref_list->head == NULL ) {
1035 nitni_global_ref_list->head = ref;
1038 nitni_global_ref_list->tail->next = ref;
1039 ref->prev = nitni_global_ref_list->tail;
1041 nitni_global_ref_list->tail = ref;
1046 void nitni_global_ref_remove( struct nitni_ref *ref ) {
1047 if ( ref->prev == NULL ) {
1048 nitni_global_ref_list->head = ref->next;
1050 ref->prev->next = ref->next;
1053 if ( ref->next == NULL ) {
1054 nitni_global_ref_list->tail = ref->prev;
1056 ref->next->prev = ref->prev;
1060 extern void nitni_global_ref_incr( struct nitni_ref *ref ) {
1061 if ( ref->count == 0 ) /* not registered */
1064 nitni_global_ref_add( ref );
1070 extern void nitni_global_ref_decr( struct nitni_ref *ref ) {
1071 if ( ref->count == 1 ) /* was last reference */
1073 /* remove from list */
1074 nitni_global_ref_remove( ref );
1082 # List of additional files required to compile (FFI)
1083 var extern_bodies
= new Array[ExternFile]
1085 # List of source files to copy over to the compile dir
1086 var files_to_copy
= new Array[String]
1088 # This is used to avoid adding an extern file more than once
1089 private var seen_extern
= new ArraySet[String]
1091 # Generate code that initialize the attributes on a new instance
1092 fun generate_init_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1094 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1095 self.mainmodule
.linearize_mclassdefs
(cds
)
1097 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1098 npropdef
.init_expr
(v
, recv
)
1103 # Generate code that check if an attribute is correctly initialized
1104 fun generate_check_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1106 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1107 self.mainmodule
.linearize_mclassdefs
(cds
)
1109 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1110 npropdef
.check_expr
(v
, recv
)
1117 var count_type_test_tags
: Array[String] = ["isa", "as", "auto", "covariance", "erasure"]
1118 var count_type_test_resolved
: HashMap[String, Int] = init_count_type_test_tags
1119 var count_type_test_unresolved
: HashMap[String, Int] = init_count_type_test_tags
1120 var count_type_test_skipped
: HashMap[String, Int] = init_count_type_test_tags
1122 protected fun init_count_type_test_tags
: HashMap[String, Int]
1124 var res
= new HashMap[String, Int]
1125 for tag
in count_type_test_tags
do
1131 # Display stats about compilation process
1135 # * type tests against resolved types (`x isa Collection[Animal]`)
1136 # * type tests against unresolved types (`x isa Collection[E]`)
1137 # * type tests skipped
1138 # * type tests total
1141 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1142 print
"# static count_type_test"
1143 print
"\tresolved:\tunresolved\tskipped\ttotal"
1144 var count_type_test_total
= init_count_type_test_tags
1145 count_type_test_resolved
["total"] = 0
1146 count_type_test_unresolved
["total"] = 0
1147 count_type_test_skipped
["total"] = 0
1148 count_type_test_total
["total"] = 0
1149 for tag
in count_type_test_tags
do
1150 count_type_test_total
[tag
] = count_type_test_resolved
[tag
] + count_type_test_unresolved
[tag
] + count_type_test_skipped
[tag
]
1151 count_type_test_resolved
["total"] += count_type_test_resolved
[tag
]
1152 count_type_test_unresolved
["total"] += count_type_test_unresolved
[tag
]
1153 count_type_test_skipped
["total"] += count_type_test_skipped
[tag
]
1154 count_type_test_total
["total"] += count_type_test_total
[tag
]
1156 var count_type_test
= count_type_test_total
["total"]
1157 var tags
= count_type_test_tags
.to_a
1161 printn
"\t{count_type_test_resolved[tag]} ({div(count_type_test_resolved[tag],count_type_test)}%)"
1162 printn
"\t{count_type_test_unresolved[tag]} ({div(count_type_test_unresolved[tag],count_type_test)}%)"
1163 printn
"\t{count_type_test_skipped[tag]} ({div(count_type_test_skipped[tag],count_type_test)}%)"
1164 printn
"\t{count_type_test_total[tag]} ({div(count_type_test_total[tag],count_type_test)}%)"
1170 fun finalize_ffi_for_module
(mmodule
: MModule) do mmodule
.finalize_ffi
(self)
1173 # C code file generated from the `writers` and the `required_declarations`
1175 # A file unit aims to be autonomous and is made or one or more `CodeWriter`s.
1177 # Basename of the file, will be appended by `.h` and `.c`
1180 # `CodeWriter` used in sequence to fill the top of the body, then the bottom
1181 var writers
= new Array[CodeWriter]
1183 # Required declarations keys
1185 # See: `provide_declaration`
1186 var required_declarations
= new HashSet[String]
1189 # Store generated lines
1191 # Instances are added to `file.writers` at construction.
1196 # Main lines of code (written at the bottom of the body)
1197 var lines
= new Array[String]
1199 # Lines of code for declarations (written at the top of the body)
1200 var decl_lines
= new Array[String]
1202 # Add a line in the main lines of code (to `lines`)
1203 fun add
(s
: String) do self.lines
.add
(s
)
1205 # Add a declaration line (to `decl_lines`)
1207 # Used for local and global declaration.
1208 fun add_decl
(s
: String) do self.decl_lines
.add
(s
)
1212 file
.writers
.add
(self)
1216 # A visitor on the AST of property definition that generate the C code.
1217 abstract class AbstractCompilerVisitor
1219 type COMPILER: AbstractCompiler
1221 # The associated compiler
1222 var compiler
: COMPILER
1224 # The current visited AST node
1225 var current_node
: nullable ANode = null is writable
1227 # The current `StaticFrame`
1228 var frame
: nullable StaticFrame = null is writable
1230 # Alias for self.compiler.mainmodule.object_type
1231 fun object_type
: MClassType do return self.compiler
.mainmodule
.object_type
1233 # Alias for self.compiler.mainmodule.bool_type
1234 fun bool_type
: MClassType do return self.compiler
.mainmodule
.bool_type
1236 var writer
: CodeWriter is noinit
1240 self.writer
= new CodeWriter(compiler
.files
.last
)
1243 # Force to get the primitive property named `name` in the instance `recv` or abort
1244 fun get_property
(name
: String, recv
: MType): MMethod
1246 assert recv
isa MClassType
1247 return self.compiler
.modelbuilder
.force_get_primitive_method
(self.current_node
, name
, recv
.mclass
, self.compiler
.mainmodule
)
1250 fun compile_callsite
(callsite
: CallSite, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
1252 if callsite
.is_broken
then return null
1253 var initializers
= callsite
.mpropdef
.initializers
1254 if not initializers
.is_empty
then
1255 var recv
= arguments
.first
1258 for p
in initializers
do
1259 if p
isa MMethod then
1261 for x
in p
.intro
.msignature
.mparameters
do
1262 args
.add arguments
[i
]
1266 else if p
isa MAttribute then
1267 self.write_attribute
(p
, recv
, arguments
[i
])
1271 assert i
== arguments
.length
1273 return self.send
(callsite
.mproperty
, [recv
])
1276 return self.send
(callsite
.mproperty
, arguments
)
1279 fun native_array_instance
(elttype
: MType, length
: RuntimeVariable): RuntimeVariable is abstract
1281 fun native_array_def
(pname
: String, ret_type
: nullable MType, arguments
: Array[RuntimeVariable]): Bool do return false
1283 # Return an element of a native array.
1284 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1285 fun native_array_get
(native_array
: RuntimeVariable, index
: Int): RuntimeVariable is abstract
1287 # Store an element in a native array.
1288 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1289 fun native_array_set
(native_array
: RuntimeVariable, index
: Int, value
: RuntimeVariable) is abstract
1291 # Allocate `size` bytes with the low_level `nit_alloc` C function
1293 # This method can be redefined to inject statistic or tracing code.
1295 # `tag` if any, is used to mark the class of the allocated object.
1296 fun nit_alloc
(size
: String, tag
: nullable String): String
1298 return "nit_alloc({size})"
1301 # Evaluate `args` as expressions in the call of `mpropdef` on `recv`.
1302 # This method is used to manage varargs in signatures and returns the real array
1303 # of runtime variables to use in the call.
1304 fun varargize
(mpropdef
: MMethodDef, map
: nullable SignatureMap, recv
: RuntimeVariable, args
: SequenceRead[AExpr]): Array[RuntimeVariable]
1306 var msignature
= mpropdef
.new_msignature
or else mpropdef
.msignature
.as(not null)
1307 var res
= new Array[RuntimeVariable]
1310 if msignature
.arity
== 0 then return res
1313 assert args
.length
== msignature
.arity
1315 res
.add
self.expr
(ne
, null)
1320 # Eval in order of arguments, not parameters
1321 var exprs
= new Array[RuntimeVariable].with_capacity
(args
.length
)
1323 exprs
.add
self.expr
(ne
, null)
1326 # Fill `res` with the result of the evaluation according to the mapping
1327 for i
in [0..msignature
.arity
[ do
1328 var param
= msignature
.mparameters
[i
]
1329 var j
= map
.map
.get_or_null
(i
)
1332 res
.add
(null_instance
)
1335 if param
.is_vararg
and args
[i
].vararg_decl
> 0 then
1336 var vararg
= exprs
.sub
(j
, args
[i
].vararg_decl
)
1337 var elttype
= param
.mtype
1338 var arg
= self.vararg_instance
(mpropdef
, recv
, vararg
, elttype
)
1349 # Anchor a type to the main module and the current receiver
1350 fun anchor
(mtype
: MType): MType
1352 if not mtype
.need_anchor
then return mtype
1353 return mtype
.anchor_to
(self.compiler
.mainmodule
, self.frame
.receiver
)
1356 fun resolve_for
(mtype
: MType, recv
: RuntimeVariable): MType
1358 if not mtype
.need_anchor
then return mtype
1359 return mtype
.resolve_for
(recv
.mcasttype
, self.frame
.receiver
, self.compiler
.mainmodule
, true)
1362 # Unsafely cast a value to a new type
1363 # ie the result share the same C variable but my have a different mcasttype
1364 # NOTE: if the adaptation is useless then `value` is returned as it.
1365 # ENSURE: `result.name == value.name`
1366 fun autoadapt
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable
1368 mtype
= self.anchor
(mtype
)
1369 var valmtype
= value
.mcasttype
1371 # Do nothing if useless autocast
1372 if valmtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1376 # Just as_not_null if the target is not nullable.
1378 # eg `nullable PreciseType` adapted to `Object` gives precisetype.
1379 if valmtype
isa MNullableType and valmtype
.mtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1380 mtype
= valmtype
.mtype
1383 var res
= new RuntimeVariable(value
.name
, value
.mtype
, mtype
)
1387 # Generate a super call from a method definition
1388 fun supercall
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1390 # Adapt the arguments of a method according to targetted `MMethodDef`
1391 fun adapt_signature
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1393 # Unbox all the arguments of a method when implemented `extern` or `intern`
1394 fun unbox_signature_extern
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1396 # Box or unbox a value to another type iff a C type conversion is needed
1397 # ENSURE: `result.mtype.ctype == mtype.ctype`
1398 fun autobox
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1400 # Box extern classes to be used in the generated code
1401 fun box_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1403 # Unbox extern classes to be used in extern code (legacy NI and FFI)
1404 fun unbox_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1406 # Generate a polymorphic subtype test
1407 fun type_test
(value
: RuntimeVariable, mtype
: MType, tag
: String): RuntimeVariable is abstract
1409 # Generate the code required to dynamically check if 2 objects share the same runtime type
1410 fun is_same_type_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1412 # Generate a Nit "is" for two runtime_variables
1413 fun equal_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1417 # Generate a static call on a method definition
1418 fun call
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1420 # Generate a polymorphic send for the method `m` and the arguments `args`
1421 fun send
(m
: MMethod, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1423 # Generate a monomorphic send for the method `m`, the type `t` and the arguments `args`
1424 fun monomorphic_send
(m
: MMethod, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1426 assert t
isa MClassType
1427 var propdef
= m
.lookup_first_definition
(self.compiler
.mainmodule
, t
)
1428 return self.call
(propdef
, t
, args
)
1431 # Generate a monomorphic super send from the method `m`, the type `t` and the arguments `args`
1432 fun monomorphic_super_send
(m
: MMethodDef, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1434 assert t
isa MClassType
1435 m
= m
.lookup_next_definition
(self.compiler
.mainmodule
, t
)
1436 return self.call
(m
, t
, args
)
1439 # Attributes handling
1441 # Generate a polymorphic attribute is_set test
1442 fun isset_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1444 # Generate a polymorphic attribute read
1445 fun read_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1447 # Generate a polymorphic attribute write
1448 fun write_attribute
(a
: MAttribute, recv
: RuntimeVariable, value
: RuntimeVariable) is abstract
1452 # Can value be null? (according to current knowledge)
1453 fun maybe_null
(value
: RuntimeVariable): Bool
1455 return value
.mcasttype
isa MNullableType or value
.mcasttype
isa MNullType
1458 # Add a check and an abort for a null receiver if needed
1459 fun check_recv_notnull
(recv
: RuntimeVariable)
1461 if self.compiler
.modelbuilder
.toolcontext
.opt_no_check_null
.value
then return
1463 if maybe_null
(recv
) then
1464 self.add
("if (unlikely({recv} == NULL)) \{")
1465 self.add_abort
("Receiver is null")
1472 private var names
= new HashSet[String]
1473 private var last
: Int = 0
1475 # Return a new name based on `s` and unique in the visitor
1476 fun get_name
(s
: String): String
1478 if not self.names
.has
(s
) then
1482 var i
= self.last
+ 1
1485 if not self.names
.has
(s2
) then
1494 # Return an unique and stable identifier associated with an escapemark
1495 fun escapemark_name
(e
: nullable EscapeMark): String
1498 if frame
.escapemark_names
.has_key
(e
) then return frame
.escapemark_names
[e
]
1500 if name
== null then name
= "label"
1501 name
= get_name
(name
)
1502 frame
.escapemark_names
[e
] = name
1506 # Insert a C label for associated with an escapemark
1507 fun add_escape_label
(e
: nullable EscapeMark)
1509 if e
== null then return
1510 if e
.escapes
.is_empty
then return
1511 add
("BREAK_{escapemark_name(e)}: (void)0;")
1514 # Return a "const char*" variable associated to the classname of the dynamic type of an object
1515 # NOTE: we do not return a `RuntimeVariable` "CString" as the class may not exist in the module/program
1516 fun class_name_string
(value
: RuntimeVariable): String is abstract
1518 # Variables handling
1520 protected var variables
= new HashMap[Variable, RuntimeVariable]
1522 # Return the local runtime_variable associated to a Nit local variable
1523 fun variable
(variable
: Variable): RuntimeVariable
1525 if self.variables
.has_key
(variable
) then
1526 return self.variables
[variable
]
1528 var name
= self.get_name
("var_{variable.name}")
1529 var mtype
= variable
.declared_type
.as(not null)
1530 mtype
= self.anchor
(mtype
)
1531 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1532 self.add_decl
("{mtype.ctype} {name} /* var {variable}: {mtype} */;")
1533 self.variables
[variable
] = res
1538 # Return a new uninitialized local runtime_variable
1539 fun new_var
(mtype
: MType): RuntimeVariable
1541 mtype
= self.anchor
(mtype
)
1542 var name
= self.get_name
("var")
1543 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1544 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1548 # The difference with `new_var` is the C static type of the local variable
1549 fun new_var_extern
(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_extern} {name} /* : {mtype} for extern */;")
1558 # Return a new uninitialized named runtime_variable
1559 fun new_named_var
(mtype
: MType, name
: String): RuntimeVariable
1561 mtype
= self.anchor
(mtype
)
1562 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1563 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1567 # Correctly assign a left and a right value
1568 # Boxing and unboxing is performed if required
1569 fun assign
(left
, right
: RuntimeVariable)
1571 right
= self.autobox
(right
, left
.mtype
)
1572 self.add
("{left} = {right};")
1575 # Generate instances
1577 # Generate a alloc-instance + init-attributes
1578 fun init_instance
(mtype
: MClassType): RuntimeVariable is abstract
1580 # Allocate and init attributes of an instance of a standard or extern class
1582 # Does not support universals and the pseudo-internal `NativeArray` class.
1583 fun init_instance_or_extern
(mtype
: MClassType): RuntimeVariable
1586 var ctype
= mtype
.ctype
1587 assert mtype
.mclass
.name
!= "NativeArray"
1588 if not mtype
.is_c_primitive
then
1589 recv
= init_instance
(mtype
)
1590 else if ctype
== "char*" then
1591 recv
= new_expr
("NULL/*special!*/", mtype
)
1593 recv
= new_expr
("({ctype})0/*special!*/", mtype
)
1598 # Set a GC finalizer on `recv`, only if `recv` isa Finalizable
1599 fun set_finalizer
(recv
: RuntimeVariable)
1601 var mtype
= recv
.mtype
1602 var finalizable_type
= compiler
.mainmodule
.finalizable_type
1603 if finalizable_type
!= null and not mtype
.need_anchor
and
1604 mtype
.is_subtype
(compiler
.mainmodule
, null, finalizable_type
) then
1605 add
"gc_register_finalizer({recv});"
1609 # The currently processed module
1611 # alias for `compiler.mainmodule`
1612 fun mmodule
: MModule do return compiler
.mainmodule
1614 # Generate an integer value
1615 fun int_instance
(value
: Int): RuntimeVariable
1617 var t
= mmodule
.int_type
1618 var res
= new RuntimeVariable("{value.to_s}l", t
, t
)
1622 # Generate a byte value
1623 fun byte_instance
(value
: Byte): RuntimeVariable
1625 var t
= mmodule
.byte_type
1626 var res
= new RuntimeVariable("((unsigned char){value.to_s})", t
, t
)
1630 # Generate an int8 value
1631 fun int8_instance
(value
: Int8): RuntimeVariable
1633 var t
= mmodule
.int8_type
1634 var res
= new RuntimeVariable("INT8_C({value.to_s})", t
, t
)
1638 # Generate an int16 value
1639 fun int16_instance
(value
: Int16): RuntimeVariable
1641 var t
= mmodule
.int16_type
1642 var res
= new RuntimeVariable("INT16_C({value.to_s})", t
, t
)
1646 # Generate a uint16 value
1647 fun uint16_instance
(value
: UInt16): RuntimeVariable
1649 var t
= mmodule
.uint16_type
1650 var res
= new RuntimeVariable("UINT16_C({value.to_s})", t
, t
)
1654 # Generate an int32 value
1655 fun int32_instance
(value
: Int32): RuntimeVariable
1657 var t
= mmodule
.int32_type
1658 var res
= new RuntimeVariable("INT32_C({value.to_s})", t
, t
)
1662 # Generate a uint32 value
1663 fun uint32_instance
(value
: UInt32): RuntimeVariable
1665 var t
= mmodule
.uint32_type
1666 var res
= new RuntimeVariable("UINT32_C({value.to_s})", t
, t
)
1670 # Generate a char value
1671 fun char_instance
(value
: Char): RuntimeVariable
1673 var t
= mmodule
.char_type
1675 if value
.code_point
< 128 then
1676 return new RuntimeVariable("'{value.to_s.escape_to_c}'", t
, t
)
1678 return new RuntimeVariable("{value.code_point}", t
, t
)
1682 # Generate a float value
1684 # FIXME pass a Float, not a string
1685 fun float_instance
(value
: String): RuntimeVariable
1687 var t
= mmodule
.float_type
1688 var res
= new RuntimeVariable("{value}", t
, t
)
1692 # Generate an integer value
1693 fun bool_instance
(value
: Bool): RuntimeVariable
1695 var s
= if value
then "1" else "0"
1696 var res
= new RuntimeVariable(s
, bool_type
, bool_type
)
1700 # Generate the `null` value
1701 fun null_instance
: RuntimeVariable
1703 var t
= compiler
.mainmodule
.model
.null_type
1704 var res
= new RuntimeVariable("((val*)NULL)", t
, t
)
1708 # Generates a CString instance fully escaped in C-style \xHH fashion
1709 fun c_string_instance
(ns
: CString, len
: Int): RuntimeVariable do
1710 var mtype
= mmodule
.c_string_type
1711 var nat
= new_var
(mtype
)
1712 var byte_esc
= new Buffer.with_cap
(len
* 4)
1713 for i
in [0 .. len
[ do
1714 byte_esc
.append
("\\x{ns[i].to_s.substring_from(2)}")
1716 self.add
("{nat} = \"{byte_esc}\
";")
1720 # Generate a string value
1721 fun string_instance
(string
: String): RuntimeVariable
1723 var mtype
= mmodule
.string_type
1724 var name
= self.get_name
("varonce")
1725 self.add_decl
("static {mtype.ctype} {name};")
1726 var res
= self.new_var
(mtype
)
1727 self.add
("if (likely({name}!=NULL)) \{")
1728 self.add
("{res} = {name};")
1729 self.add
("\} else \{")
1730 var native_mtype
= mmodule
.c_string_type
1731 var nat
= self.new_var
(native_mtype
)
1732 self.add
("{nat} = \"{string.escape_to_c}\
";")
1733 var byte_length
= self.int_instance
(string
.byte_length
)
1734 var unilen
= self.int_instance
(string
.length
)
1735 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)};")
1736 self.add
("{name} = {res};")
1741 fun value_instance
(object
: Object): RuntimeVariable
1743 if object
isa Int then
1744 return int_instance
(object
)
1745 else if object
isa Bool then
1746 return bool_instance
(object
)
1747 else if object
isa String then
1748 return string_instance
(object
)
1754 # Generate an array value
1755 fun array_instance
(array
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1757 # Get an instance of a array for a vararg
1758 fun vararg_instance
(mpropdef
: MPropDef, recv
: RuntimeVariable, varargs
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1762 # Add a line in the main part of the generated C
1763 fun add
(s
: String) do self.writer
.lines
.add
(s
)
1766 # (used for local or global declaration)
1767 fun add_decl
(s
: String) do self.writer
.decl_lines
.add
(s
)
1769 # Request the presence of a global declaration
1770 fun require_declaration
(key
: String)
1772 var reqs
= self.writer
.file
.required_declarations
1773 if reqs
.has
(key
) then return
1775 var node
= current_node
1776 if node
!= null then compiler
.requirers_of_declarations
[key
] = node
1779 # Add a declaration in the local-header
1780 # The declaration is ensured to be present once
1781 fun declare_once
(s
: String)
1783 self.compiler
.provide_declaration
(s
, s
)
1784 self.require_declaration
(s
)
1787 # Look for a needed .h and .c file for a given module
1788 # This is used for the legacy FFI
1789 fun add_extern
(mmodule
: MModule)
1791 var file
= mmodule
.filepath
1792 file
= file
.strip_extension
(".nit")
1793 var tryfile
= file
+ ".nit.h"
1794 if tryfile
.file_exists
then
1795 self.declare_once
("#include \"{tryfile.basename}\
"")
1796 self.compiler
.files_to_copy
.add
(tryfile
)
1798 tryfile
= file
+ "_nit.h"
1799 if tryfile
.file_exists
then
1800 self.declare_once
("#include \"{tryfile.basename}\
"")
1801 self.compiler
.files_to_copy
.add
(tryfile
)
1804 if self.compiler
.seen_extern
.has
(file
) then return
1805 self.compiler
.seen_extern
.add
(file
)
1806 tryfile
= file
+ ".nit.c"
1807 if not tryfile
.file_exists
then
1808 tryfile
= file
+ "_nit.c"
1809 if not tryfile
.file_exists
then return
1811 var f
= new ExternCFile(tryfile
.basename
, "")
1812 self.compiler
.extern_bodies
.add
(f
)
1813 self.compiler
.files_to_copy
.add
(tryfile
)
1816 # Return a new local runtime_variable initialized with the C expression `cexpr`.
1817 fun new_expr
(cexpr
: String, mtype
: MType): RuntimeVariable
1819 var res
= new_var
(mtype
)
1820 self.add
("{res} = {cexpr};")
1824 # Generate generic abort
1825 # used by aborts, asserts, casts, etc.
1826 fun add_abort
(message
: String)
1828 self.add
("if(catchStack.cursor >= 0)\{")
1829 self.add
("longjmp(catchStack.envs[catchStack.cursor], 1);")
1831 self.add
("PRINT_ERROR(\"Runtime error
: %s\
", \"{message.escape_to_c}\
");")
1835 # Generate abort without a message.
1837 # Used when one need a more complex message.
1840 var current_node
= self.current_node
1841 if current_node
!= null and current_node
.location
.file
!= null and
1842 current_node
.location
.file
.mmodule
!= null then
1843 var f
= "FILE_{self.current_node.location.file.mmodule.c_name}"
1844 self.require_declaration
(f
)
1845 self.add
("PRINT_ERROR(\" (%s
:%d
)\\n\
", {f}, {current_node.location.line_start});")
1847 self.add
("PRINT_ERROR(\"\\n\
");")
1849 self.add
("fatal_exit(1);")
1852 # Add a dynamic cast
1853 fun add_cast
(value
: RuntimeVariable, mtype
: MType, tag
: String)
1855 var res
= self.type_test
(value
, mtype
, tag
)
1856 self.add
("if (unlikely(!{res})) \{")
1857 var cn
= self.class_name_string
(value
)
1858 self.add
("PRINT_ERROR(\"Runtime error
: Cast failed
. Expected `%s`, got
`%s`\
", \"{mtype.to_s.escape_to_c}\
", {cn});")
1863 # Generate a return with the value `s`
1864 fun ret
(s
: RuntimeVariable)
1866 self.assign
(self.frame
.returnvar
.as(not null), s
)
1867 self.add
("goto {self.frame.returnlabel.as(not null)};")
1870 # Compile a statement (if any)
1871 fun stmt
(nexpr
: nullable AExpr)
1873 if nexpr
== null then return
1874 if nexpr
.is_broken
then
1875 # Untyped expression.
1876 # Might mean dead code or invalid code
1878 add_abort
("FATAL: bad statement executed.")
1882 var narray
= nexpr
.comprehension
1883 if narray
!= null then
1884 var recv
= frame
.comprehension
.as(not null)
1885 var val
= expr
(nexpr
, narray
.element_mtype
)
1886 compile_callsite
(narray
.push_callsite
.as(not null), [recv
, val
])
1890 var old
= self.current_node
1891 self.current_node
= nexpr
1893 self.current_node
= old
1896 # Compile an expression an return its result
1897 # `mtype` is the expected return type, pass null if no specific type is expected.
1898 fun expr
(nexpr
: AExpr, mtype
: nullable MType): RuntimeVariable
1900 var old
= self.current_node
1901 self.current_node
= nexpr
1904 if nexpr
.mtype
!= null then
1905 res
= nexpr
.expr
(self)
1909 # Untyped expression.
1910 # Might mean dead code or invalid code.
1912 add_abort
("FATAL: bad expression executed.")
1913 # and return a placebo result to please the C compiler
1914 if mtype
== null then mtype
= compiler
.mainmodule
.object_type
1915 res
= new_var
(mtype
)
1917 self.current_node
= old
1921 if mtype
!= null then
1922 mtype
= self.anchor
(mtype
)
1923 res
= self.autobox
(res
, mtype
)
1925 res
= autoadapt
(res
, nexpr
.mtype
.as(not null))
1926 var implicit_cast_to
= nexpr
.implicit_cast_to
1927 if implicit_cast_to
!= null and not self.compiler
.modelbuilder
.toolcontext
.opt_no_check_autocast
.value
then
1928 add_cast
(res
, implicit_cast_to
, "auto")
1929 res
= autoadapt
(res
, implicit_cast_to
)
1931 self.current_node
= old
1935 # Alias for `self.expr(nexpr, self.bool_type)`
1936 fun expr_bool
(nexpr
: AExpr): RuntimeVariable do return expr
(nexpr
, bool_type
)
1938 # Safely show a debug message on the current node and repeat the message in the C code as a comment
1939 fun debug
(message
: String)
1941 var node
= self.current_node
1942 if node
== null then
1943 print
"?: {message}"
1947 self.add
("/* DEBUG: {message} */")
1951 # A C function associated to a Nit method
1952 # Because of customization, a given Nit method can be compiler more that once
1953 abstract class AbstractRuntimeFunction
1955 type COMPILER: AbstractCompiler
1956 type VISITOR: AbstractCompilerVisitor
1958 # The associated Nit method
1959 var mmethoddef
: MMethodDef
1961 # The mangled c name of the runtime_function
1962 # Subclasses should redefine `build_c_name` instead
1965 var res
= self.c_name_cache
1966 if res
!= null then return res
1967 res
= self.build_c_name
1968 self.c_name_cache
= res
1972 # Non cached version of `c_name`
1973 protected fun build_c_name
: String is abstract
1975 protected var c_name_cache
: nullable String = null is writable
1977 # Implements a call of the runtime_function
1978 # May inline the body or generate a C function call
1979 fun call
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1981 # Generate the code for the `AbstractRuntimeFunction`
1982 # Warning: compile more than once compilation makes CC unhappy
1983 fun compile_to_c
(compiler
: COMPILER) is abstract
1986 # A runtime variable hold a runtime value in C.
1987 # Runtime variables are associated to Nit local variables and intermediate results in Nit expressions.
1989 # 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.
1990 class RuntimeVariable
1991 # The name of the variable in the C code
1994 # The static type of the variable (as declard in C)
1997 # The current casted type of the variable (as known in Nit)
1998 var mcasttype
: MType is writable
2000 # If the variable exaclty a mcasttype?
2001 # false (usual value) means that the variable is a mcasttype or a subtype.
2002 var is_exact
: Bool = false is writable
2006 assert not mtype
.need_anchor
2007 assert not mcasttype
.need_anchor
2010 redef fun to_s
do return name
2015 if self.is_exact
then
2016 exact_str
= " exact"
2021 if self.mtype
== self.mcasttype
then
2022 type_str
= "{mtype}{exact_str}"
2024 type_str
= "{mtype}({mcasttype}{exact_str})"
2026 return "<{name}:{type_str}>"
2030 # The static context of a visited property in a `AbstractCompilerVisitor`
2033 type VISITOR: AbstractCompilerVisitor
2035 # The associated visitor
2036 var visitor
: VISITOR
2038 # The executed property.
2039 # A Method in case of a call, an attribute in case of a default initialization.
2040 var mpropdef
: MPropDef
2042 # The static type of the receiver
2043 var receiver
: MClassType
2045 # Arguments of the method (the first is the receiver)
2046 var arguments
: Array[RuntimeVariable]
2048 # The runtime_variable associated to the return (in a function)
2049 var returnvar
: nullable RuntimeVariable = null is writable
2051 # The label at the end of the property
2052 var returnlabel
: nullable String = null is writable
2054 # Labels associated to a each escapemarks.
2055 # Because of inlinings, escape-marks must be associated to their context (the frame)
2056 private var escapemark_names
= new HashMap[EscapeMark, String]
2058 # The array comprehension currently filled, if any
2059 private var comprehension
: nullable RuntimeVariable = null
2063 # Return the C type associated to a given Nit static type
2064 fun ctype
: String do return "val*"
2066 # C type outside of the compiler code and in boxes
2067 fun ctype_extern
: String do return "val*"
2069 # Short name of the `ctype` to use in unions
2070 fun ctypename
: String do return "val"
2072 # Is the associated C type a primitive one?
2074 # ENSURE `result == (ctype != "val*")`
2075 fun is_c_primitive
: Bool do return false
2078 redef class MClassType
2080 redef var ctype
is lazy
do
2081 if mclass
.name
== "Int" then
2083 else if mclass
.name
== "Bool" then
2085 else if mclass
.name
== "Char" then
2087 else if mclass
.name
== "Float" then
2089 else if mclass
.name
== "Int8" then
2091 else if mclass
.name
== "Byte" then
2092 return "unsigned char"
2093 else if mclass
.name
== "Int16" then
2095 else if mclass
.name
== "UInt16" then
2097 else if mclass
.name
== "Int32" then
2099 else if mclass
.name
== "UInt32" then
2101 else if mclass
.name
== "CString" then
2103 else if mclass
.name
== "NativeArray" then
2110 redef var is_c_primitive
is lazy
do return ctype
!= "val*"
2112 redef fun ctype_extern
: String
2114 if mclass
.kind
== extern_kind
then
2121 redef fun ctypename
: String
2123 if mclass
.name
== "Int" then
2125 else if mclass
.name
== "Bool" then
2127 else if mclass
.name
== "Char" then
2129 else if mclass
.name
== "Float" then
2131 else if mclass
.name
== "Int8" then
2133 else if mclass
.name
== "Byte" then
2135 else if mclass
.name
== "Int16" then
2137 else if mclass
.name
== "UInt16" then
2139 else if mclass
.name
== "Int32" then
2141 else if mclass
.name
== "UInt32" then
2143 else if mclass
.name
== "CString" then
2145 else if mclass
.name
== "NativeArray" then
2146 #return "{self.arguments.first.ctype}*"
2154 redef class MPropDef
2155 type VISITOR: AbstractCompilerVisitor
2158 redef class MMethodDef
2159 # Can the body be inlined?
2160 fun can_inline
(v
: VISITOR): Bool
2162 if is_abstract
then return true
2163 if constant_value
!= null then return true
2164 var modelbuilder
= v
.compiler
.modelbuilder
2165 var node
= modelbuilder
.mpropdef2node
(self)
2166 if node
isa APropdef then
2167 return node
.can_inline
2168 else if node
isa AClassdef then
2169 # Automatic free init is always inlined since it is empty or contains only attribtes assigments
2171 else if node
== null then
2178 # Inline the body in another visitor
2179 fun compile_inside_to_c
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
2181 var modelbuilder
= v
.compiler
.modelbuilder
2182 var val
= constant_value
2183 var node
= modelbuilder
.mpropdef2node
(self)
2186 var cn
= v
.class_name_string
(arguments
.first
)
2187 v
.current_node
= node
2188 v
.add
("PRINT_ERROR(\"Runtime error
: Abstract method
`%s` called on
`%s`\
", \"{mproperty.name.escape_to_c}\
", {cn});")
2193 if node
isa APropdef then
2194 var oldnode
= v
.current_node
2195 v
.current_node
= node
2196 self.compile_parameter_check
(v
, arguments
)
2197 node
.compile_to_c
(v
, self, arguments
)
2198 v
.current_node
= oldnode
2199 else if node
isa AClassdef then
2200 var oldnode
= v
.current_node
2201 v
.current_node
= node
2202 self.compile_parameter_check
(v
, arguments
)
2203 node
.compile_to_c
(v
, self, arguments
)
2204 v
.current_node
= oldnode
2205 else if val
!= null then
2206 v
.ret
(v
.value_instance
(val
))
2213 # Generate type checks in the C code to check covariant parameters
2214 fun compile_parameter_check
(v
: VISITOR, arguments
: Array[RuntimeVariable])
2216 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_covariance
.value
then return
2218 var msignature
= self.msignature
.as(not null)
2220 for i
in [0..msignature
.arity
[ do
2221 var mp
= msignature
.mparameters
[i
]
2222 # skip test for vararg since the array is instantiated with the correct polymorphic type
2223 if mp
.is_vararg
then continue
2225 # skip if the cast is not required
2226 var origmtype
= self.mproperty
.intro
.msignature
.mparameters
[i
].mtype
2227 if not origmtype
.need_anchor
then continue
2229 # get the parameter type
2230 var mtype
= mp
.mtype
2233 # note that v decides if and how to implements the cast
2234 v
.add
("/* Covariant cast for argument {i} ({mp.name}) {arguments[i+1].inspect} isa {mtype} */")
2235 v
.add_cast
(arguments
[i
+1], mtype
, "covariance")
2242 redef class APropdef
2243 fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
2245 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name} {mpropdef} at
{location.to_s}\\n\
");")
2246 debug
("Not yet implemented")
2249 fun can_inline
: Bool do return true
2252 redef class AMethPropdef
2253 redef fun compile_to_c
(v
, mpropdef
, arguments
)
2255 # Call the implicit super-init
2256 var auto_super_inits
= self.auto_super_inits
2257 if auto_super_inits
!= null then
2258 var args
= [arguments
.first
]
2259 for auto_super_init
in auto_super_inits
do
2260 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2262 for i
in [0..auto_super_init
.msignature
.arity
+1[ do
2263 args
.add
(arguments
[i
])
2265 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2266 v
.compile_callsite
(auto_super_init
, args
)
2269 if auto_super_call
then
2270 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
2273 # Try special compilation
2274 if mpropdef
.is_intern
then
2275 if compile_intern_to_c
(v
, mpropdef
, arguments
) then return
2277 if mpropdef
.is_extern
then
2278 if mpropdef
.mproperty
.is_init
then
2279 if compile_externinit_to_c
(v
, mpropdef
, arguments
) then return
2281 if compile_externmeth_to_c
(v
, mpropdef
, arguments
) then return
2285 # Compile block if any
2286 var n_block
= n_block
2287 if n_block
!= null then
2288 for i
in [0..mpropdef
.msignature
.arity
[ do
2289 var variable
= self.n_signature
.n_params
[i
].variable
.as(not null)
2290 v
.assign
(v
.variable
(variable
), arguments
[i
+1])
2297 var cn
= v
.class_name_string
(arguments
.first
)
2298 v
.add
("PRINT_ERROR(\"Runtime error
: uncompiled method
`%s` called on
`%s`. NOT YET IMPLEMENTED\
", \"{mpropdef.mproperty.name.escape_to_c}\
", {cn});")
2302 redef fun can_inline
2304 if self.auto_super_inits
!= null then return false
2305 var nblock
= self.n_block
2306 if nblock
== null then return true
2307 if (mpropdef
.mproperty
.name
== "==" or mpropdef
.mproperty
.name
== "!=") and mpropdef
.mclassdef
.mclass
.name
== "Object" then return true
2308 if nblock
isa ABlockExpr and nblock
.n_expr
.length
== 0 then return true
2312 fun compile_intern_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
2314 var pname
= mpropdef
.mproperty
.name
2315 var cname
= mpropdef
.mclassdef
.mclass
.name
2316 var ret
= mpropdef
.msignature
.return_mtype
2318 ret
= v
.resolve_for
(ret
, arguments
.first
)
2320 if pname
!= "==" and pname
!= "!=" then
2321 v
.adapt_signature
(mpropdef
, arguments
)
2322 v
.unbox_signature_extern
(mpropdef
, arguments
)
2324 if cname
== "Int" then
2325 if pname
== "output" then
2326 v
.add
("printf(\"%ld\\n\
", {arguments.first});")
2328 else if pname
== "object_id" then
2329 v
.ret
(arguments
.first
)
2331 else if pname
== "+" then
2332 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2334 else if pname
== "-" then
2335 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2337 else if pname
== "unary -" then
2338 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2340 else if pname
== "unary +" then
2343 else if pname
== "*" then
2344 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2346 else if pname
== "/" then
2347 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2349 else if pname
== "%" then
2350 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2352 else if pname
== "==" then
2353 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2355 else if pname
== "!=" then
2356 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2357 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2359 else if pname
== "<" then
2360 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2362 else if pname
== ">" then
2363 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
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
== "to_i8" then
2372 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2374 else if pname
== "to_i16" then
2375 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2377 else if pname
== "to_u16" then
2378 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2380 else if pname
== "to_i32" then
2381 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2383 else if pname
== "to_u32" then
2384 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2386 else if pname
== "to_f" then
2387 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2389 else if pname
== "to_b" then
2390 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2392 else if pname
== "code_point" then
2393 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2395 else if pname
== "&" then
2396 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2398 else if pname
== "|" then
2399 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2401 else if pname
== ">>" then
2402 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2404 else if pname
== "<<" then
2405 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2408 else if cname
== "Char" then
2409 if pname
== "object_id" then
2410 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2412 else if pname
== "successor" then
2413 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2415 else if pname
== "predecessor" then
2416 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2418 else if pname
== "==" then
2419 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2421 else if pname
== "!=" then
2422 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2423 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2425 else if pname
== "<" then
2426 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2428 else if pname
== ">" then
2429 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2431 else if pname
== "<=" then
2432 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2434 else if pname
== ">=" then
2435 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2437 else if pname
== "to_i" then
2438 v
.ret
(v
.new_expr
("{arguments[0]}-'0'", ret
.as(not null)))
2440 else if pname
== "code_point" then
2441 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2444 else if cname
== "Byte" then
2445 if pname
== "output" then
2446 v
.add
("printf(\"%x\\n\
", {arguments.first});")
2448 else if pname
== "object_id" then
2449 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2451 else if pname
== "+" then
2452 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2454 else if pname
== "-" then
2455 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2457 else if pname
== "unary -" then
2458 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2460 else if pname
== "unary +" then
2463 else if pname
== "*" then
2464 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2466 else if pname
== "/" then
2467 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2469 else if pname
== "%" then
2470 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2472 else if pname
== "==" then
2473 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2475 else if pname
== "!=" then
2476 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2477 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2479 else if pname
== "<" then
2480 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2482 else if pname
== ">" then
2483 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
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
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2497 else if pname
== "&" then
2498 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2500 else if pname
== "to_i" then
2501 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2503 else if pname
== "to_f" then
2504 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2506 else if pname
== "to_i8" then
2507 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2509 else if pname
== "to_i16" then
2510 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2512 else if pname
== "to_u16" then
2513 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2515 else if pname
== "to_i32" then
2516 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2518 else if pname
== "to_u32" then
2519 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2521 else if pname
== "ascii" then
2522 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2525 else if cname
== "Bool" then
2526 if pname
== "output" then
2527 v
.add
("printf({arguments.first}?\"true\\n\
":\"false\\n\
");")
2529 else if pname
== "object_id" then
2530 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2532 else if pname
== "==" then
2533 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2535 else if pname
== "!=" then
2536 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2537 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2540 else if cname
== "Float" then
2541 if pname
== "output" then
2542 v
.add
("printf(\"%f\\n\
", {arguments.first});")
2544 else if pname
== "object_id" then
2545 v
.ret
(v
.new_expr
("(double){arguments.first}", ret
.as(not null)))
2547 else if pname
== "+" then
2548 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2550 else if pname
== "-" then
2551 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2553 else if pname
== "unary -" then
2554 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2556 else if pname
== "unary +" then
2559 else if pname
== "succ" then
2560 v
.ret
(v
.new_expr
("{arguments[0]}+1", ret
.as(not null)))
2562 else if pname
== "prec" then
2563 v
.ret
(v
.new_expr
("{arguments[0]}-1", ret
.as(not null)))
2565 else if pname
== "*" then
2566 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2568 else if pname
== "/" then
2569 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2571 else if pname
== "==" then
2572 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2574 else if pname
== "!=" then
2575 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2576 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2578 else if pname
== "<" then
2579 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2581 else if pname
== ">" then
2582 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2584 else if pname
== "<=" then
2585 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2587 else if pname
== ">=" then
2588 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2590 else if pname
== "to_i" then
2591 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2593 else if pname
== "to_b" then
2594 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2596 else if pname
== "to_i8" then
2597 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2599 else if pname
== "to_i16" then
2600 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2602 else if pname
== "to_u16" then
2603 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2605 else if pname
== "to_i32" then
2606 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2608 else if pname
== "to_u32" then
2609 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2612 else if cname
== "CString" then
2613 if pname
== "[]" then
2614 v
.ret
(v
.new_expr
("(unsigned char)((int){arguments[0]}[{arguments[1]}])", ret
.as(not null)))
2616 else if pname
== "[]=" then
2617 v
.add
("{arguments[0]}[{arguments[1]}]=(unsigned char){arguments[2]};")
2619 else if pname
== "copy_to" then
2620 v
.add
("memmove({arguments[1]}+{arguments[4]},{arguments[0]}+{arguments[3]},{arguments[2]});")
2622 else if pname
== "atoi" then
2623 v
.ret
(v
.new_expr
("atoi({arguments[0]});", ret
.as(not null)))
2625 else if pname
== "fast_cstring" then
2626 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2628 else if pname
== "==" then
2629 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2631 else if pname
== "!=" then
2632 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2633 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2635 else if pname
== "new" then
2636 var alloc
= v
.nit_alloc
(arguments
[1].to_s
, "CString")
2637 v
.ret
(v
.new_expr
("(char*){alloc}", ret
.as(not null)))
2639 else if pname
== "fetch_4_chars" then
2640 v
.ret
(v
.new_expr
("*((uint32_t*)({arguments[0]} + {arguments[1]}))", ret
.as(not null)))
2642 else if pname
== "fetch_4_hchars" then
2643 v
.ret
(v
.new_expr
("(uint32_t)be32toh(*((uint32_t*)({arguments[0]} + {arguments[1]})))", ret
.as(not null)))
2646 else if cname
== "NativeArray" then
2647 return v
.native_array_def
(pname
, ret
, arguments
)
2648 else if cname
== "Int8" then
2649 if pname
== "output" then
2650 v
.add
("printf(\"%\
"PRIi8 \"\\n\
", {arguments.first});")
2652 else if pname
== "object_id" then
2653 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2655 else if pname
== "+" then
2656 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2658 else if pname
== "-" then
2659 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2661 else if pname
== "unary -" then
2662 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2664 else if pname
== "unary +" then
2667 else if pname
== "*" then
2668 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2670 else if pname
== "/" then
2671 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2673 else if pname
== "%" then
2674 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2676 else if pname
== "<<" then
2677 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2679 else if pname
== ">>" then
2680 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2682 else if pname
== "==" then
2683 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2685 else if pname
== "!=" then
2686 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2687 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2689 else if pname
== "<" then
2690 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2692 else if pname
== ">" 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
== "to_i" then
2702 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2704 else if pname
== "to_b" then
2705 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2707 else if pname
== "to_i16" then
2708 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2710 else if pname
== "to_u16" then
2711 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2713 else if pname
== "to_i32" then
2714 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2716 else if pname
== "to_u32" then
2717 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2719 else if pname
== "to_f" then
2720 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2722 else if pname
== "&" then
2723 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2725 else if pname
== "|" then
2726 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2728 else if pname
== "^" then
2729 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2731 else if pname
== "unary ~" then
2732 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2735 else if cname
== "Int16" then
2736 if pname
== "output" then
2737 v
.add
("printf(\"%\
"PRIi16 \"\\n\
", {arguments.first});")
2739 else if pname
== "object_id" then
2740 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2742 else if pname
== "+" then
2743 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2745 else if pname
== "-" then
2746 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2748 else if pname
== "unary -" then
2749 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2751 else if pname
== "unary +" then
2754 else if pname
== "*" then
2755 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2757 else if pname
== "/" then
2758 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2760 else if pname
== "%" then
2761 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2763 else if pname
== "<<" then
2764 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2766 else if pname
== ">>" then
2767 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2769 else if pname
== "==" then
2770 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2772 else if pname
== "!=" then
2773 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2774 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2776 else if pname
== "<" then
2777 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2779 else if pname
== ">" then
2780 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2782 else if pname
== "<=" then
2783 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2785 else if pname
== ">=" then
2786 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2788 else if pname
== "to_i" then
2789 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2791 else if pname
== "to_b" then
2792 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2794 else if pname
== "to_i8" then
2795 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2797 else if pname
== "to_u16" then
2798 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2800 else if pname
== "to_i32" then
2801 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2803 else if pname
== "to_u32" then
2804 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2806 else if pname
== "to_f" then
2807 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2809 else if pname
== "&" then
2810 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2812 else if pname
== "|" then
2813 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2815 else if pname
== "^" then
2816 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2818 else if pname
== "unary ~" then
2819 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2822 else if cname
== "UInt16" then
2823 if pname
== "output" then
2824 v
.add
("printf(\"%\
"PRIu16 \"\\n\
", {arguments.first});")
2826 else if pname
== "object_id" then
2827 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2829 else if pname
== "+" then
2830 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2832 else if pname
== "-" then
2833 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2835 else if pname
== "unary -" then
2836 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2838 else if pname
== "unary +" then
2841 else if pname
== "*" then
2842 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2844 else if pname
== "/" then
2845 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2847 else if pname
== "%" then
2848 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2850 else if pname
== "<<" then
2851 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2853 else if pname
== ">>" then
2854 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2856 else if pname
== "==" then
2857 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2859 else if pname
== "!=" then
2860 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2861 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2863 else if pname
== "<" then
2864 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2866 else if pname
== ">" then
2867 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2869 else if pname
== "<=" then
2870 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2872 else if pname
== ">=" then
2873 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2875 else if pname
== "to_i" then
2876 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2878 else if pname
== "to_b" then
2879 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2881 else if pname
== "to_i8" then
2882 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2884 else if pname
== "to_i16" then
2885 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2887 else if pname
== "to_i32" then
2888 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2890 else if pname
== "to_u32" then
2891 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2893 else if pname
== "to_f" then
2894 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2896 else if pname
== "&" then
2897 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2899 else if pname
== "|" then
2900 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2902 else if pname
== "^" then
2903 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2905 else if pname
== "unary ~" then
2906 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2909 else if cname
== "Int32" then
2910 if pname
== "output" then
2911 v
.add
("printf(\"%\
"PRIi32 \"\\n\
", {arguments.first});")
2913 else if pname
== "object_id" then
2914 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2916 else if pname
== "+" then
2917 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2919 else if pname
== "-" then
2920 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2922 else if pname
== "unary -" then
2923 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2925 else if pname
== "unary +" then
2928 else if pname
== "*" then
2929 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2931 else if pname
== "/" then
2932 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2934 else if pname
== "%" then
2935 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2937 else if pname
== "<<" then
2938 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2940 else if pname
== ">>" then
2941 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2943 else if pname
== "==" then
2944 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2946 else if pname
== "!=" then
2947 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2948 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2950 else if pname
== "<" then
2951 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2953 else if pname
== ">" then
2954 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2956 else if pname
== "<=" then
2957 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2959 else if pname
== ">=" then
2960 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2962 else if pname
== "to_i" then
2963 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2965 else if pname
== "to_b" then
2966 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2968 else if pname
== "to_i8" then
2969 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2971 else if pname
== "to_i16" then
2972 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2974 else if pname
== "to_u16" then
2975 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2977 else if pname
== "to_u32" then
2978 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2980 else if pname
== "to_f" then
2981 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2983 else if pname
== "&" then
2984 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2986 else if pname
== "|" then
2987 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2989 else if pname
== "^" then
2990 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2992 else if pname
== "unary ~" then
2993 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2996 else if cname
== "UInt32" then
2997 if pname
== "output" then
2998 v
.add
("printf(\"%\
"PRIu32 \"\\n\
", {arguments.first});")
3000 else if pname
== "object_id" then
3001 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3003 else if pname
== "+" then
3004 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
3006 else if pname
== "-" then
3007 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
3009 else if pname
== "unary -" then
3010 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
3012 else if pname
== "unary +" then
3015 else if pname
== "*" then
3016 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
3018 else if pname
== "/" then
3019 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
3021 else if pname
== "%" then
3022 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
3024 else if pname
== "<<" then
3025 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
3027 else if pname
== ">>" then
3028 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
3030 else if pname
== "==" then
3031 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3033 else if pname
== "!=" then
3034 var res
= v
.equal_test
(arguments
[0], arguments
[1])
3035 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
3037 else if pname
== "<" then
3038 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
3040 else if pname
== ">" then
3041 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
3043 else if pname
== "<=" then
3044 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
3046 else if pname
== ">=" then
3047 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
3049 else if pname
== "to_i" then
3050 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
3052 else if pname
== "to_b" then
3053 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
3055 else if pname
== "to_i8" then
3056 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
3058 else if pname
== "to_i16" then
3059 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
3061 else if pname
== "to_u16" then
3062 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
3064 else if pname
== "to_i32" then
3065 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
3067 else if pname
== "to_f" then
3068 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
3070 else if pname
== "&" then
3071 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
3073 else if pname
== "|" then
3074 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3076 else if pname
== "^" then
3077 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3079 else if pname
== "unary ~" then
3080 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3084 if pname
== "exit" then
3085 v
.add
("exit((int){arguments[1]});")
3087 else if pname
== "sys" then
3088 v
.ret
(v
.new_expr
("glob_sys", ret
.as(not null)))
3090 else if pname
== "object_id" then
3091 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3093 else if pname
== "is_same_type" then
3094 v
.ret
(v
.is_same_type_test
(arguments
[0], arguments
[1]))
3096 else if pname
== "is_same_instance" then
3097 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3099 else if pname
== "output_class_name" then
3100 var nat
= v
.class_name_string
(arguments
.first
)
3101 v
.add
("printf(\"%s\\n\
", {nat});")
3103 else if pname
== "native_class_name" then
3104 var nat
= v
.class_name_string
(arguments
.first
)
3105 v
.ret
(v
.new_expr
("(char*){nat}", ret
.as(not null)))
3107 else if pname
== "force_garbage_collection" then
3108 v
.add
("nit_gcollect();")
3110 else if pname
== "native_argc" then
3111 v
.ret
(v
.new_expr
("glob_argc", ret
.as(not null)))
3113 else if pname
== "native_argv" then
3114 v
.ret
(v
.new_expr
("glob_argv[{arguments[1]}]", ret
.as(not null)))
3120 # Compile an extern method
3121 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3122 fun compile_externmeth_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3125 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3126 if at
!= null and at
.n_args
.length
== 1 then
3127 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3128 if externname
== null then return false
3132 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3133 var res
: nullable RuntimeVariable = null
3134 var ret
= mpropdef
.msignature
.return_mtype
3136 ret
= v
.resolve_for
(ret
, arguments
.first
)
3137 res
= v
.new_var_extern
(ret
)
3139 v
.adapt_signature
(mpropdef
, arguments
)
3140 v
.unbox_signature_extern
(mpropdef
, arguments
)
3143 v
.add
("{externname}({arguments.join(", ")});")
3145 v
.add
("{res} = {externname}({arguments.join(", ")});")
3146 res
= v
.box_extern
(res
, ret
.as(not null))
3152 # Compile an extern factory
3153 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3154 fun compile_externinit_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3157 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3159 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3160 if externname
== null then return false
3164 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3165 v
.adapt_signature
(mpropdef
, arguments
)
3166 v
.unbox_signature_extern
(mpropdef
, arguments
)
3167 var ret
= arguments
.first
.mtype
3168 var res
= v
.new_var_extern
(ret
)
3172 v
.add
("{res} = {externname}({arguments.join(", ")});")
3173 res
= v
.box_extern
(res
, ret
)
3179 redef class AAttrPropdef
3180 redef fun can_inline
: Bool do return not is_lazy
3182 redef fun compile_to_c
(v
, mpropdef
, arguments
)
3184 if mpropdef
== mreadpropdef
then
3185 assert arguments
.length
== 1
3186 var recv
= arguments
.first
3190 var ret
= self.mtype
3191 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3192 var guard
= self.mlazypropdef
.mproperty
3194 set
= v
.isset_attribute
(self.mpropdef
.mproperty
, recv
)
3196 set
= v
.read_attribute
(guard
, recv
)
3198 v
.add
("if(likely({set})) \{")
3199 res
= v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3202 var value
= evaluate_expr
(v
, recv
)
3204 v
.assign
(res
, value
)
3206 var true_v
= v
.bool_instance
(true)
3207 v
.write_attribute
(guard
, arguments
.first
, true_v
)
3211 res
= v
.read_attribute
(self.mpropdef
.mproperty
, arguments
.first
)
3213 v
.assign
(v
.frame
.returnvar
.as(not null), res
)
3214 else if mpropdef
== mwritepropdef
then
3215 assert arguments
.length
== 2
3216 var recv
= arguments
.first
3217 var arg
= arguments
[1]
3218 if is_optional
and v
.maybe_null
(arg
) then
3219 var value
= v
.new_var
(self.mpropdef
.static_mtype
.as(not null))
3220 v
.add
("if ({arg} == NULL) \{")
3221 v
.assign
(value
, evaluate_expr
(v
, recv
))
3223 v
.assign
(value
, arg
)
3227 v
.write_attribute
(self.mpropdef
.mproperty
, arguments
.first
, arg
)
3229 var ret
= self.mtype
3230 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3232 v
.write_attribute
(self.mlazypropdef
.mproperty
, arguments
.first
, v
.bool_instance
(true))
3240 fun init_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3242 if has_value
and not is_lazy
and not is_optional
and not n_expr
isa ANullExpr then evaluate_expr
(v
, recv
)
3245 # Evaluate, store and return the default value of the attribute
3246 private fun evaluate_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable): RuntimeVariable
3248 var oldnode
= v
.current_node
3249 v
.current_node
= self
3250 var old_frame
= v
.frame
3251 var frame
= new StaticFrame(v
, self.mreadpropdef
.as(not null), recv
.mcasttype
.undecorate
.as(MClassType), [recv
])
3255 var mtype
= self.mtype
3256 assert mtype
!= null
3258 var nexpr
= self.n_expr
3259 var nblock
= self.n_block
3260 if nexpr
!= null then
3261 value
= v
.expr
(nexpr
, mtype
)
3262 else if nblock
!= null then
3263 value
= v
.new_var
(mtype
)
3264 frame
.returnvar
= value
3265 frame
.returnlabel
= v
.get_name
("RET_LABEL")
3268 v
.add
("{frame.returnlabel.as(not null)}:(void)0;")
3274 v
.write_attribute
(self.mpropdef
.mproperty
, recv
, value
)
3277 v
.current_node
= oldnode
3282 fun check_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3284 var nexpr
= self.n_expr
3285 if nexpr
!= null then return
3287 var oldnode
= v
.current_node
3288 v
.current_node
= self
3289 var old_frame
= v
.frame
3290 var frame
= new StaticFrame(v
, self.mpropdef
.as(not null), recv
.mtype
.as(MClassType), [recv
])
3292 # Force read to check the initialization
3293 v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3295 v
.current_node
= oldnode
3299 redef class AClassdef
3300 private fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
3302 if mpropdef
.mproperty
.is_root_init
then
3303 assert arguments
.length
== 1
3304 if not mpropdef
.is_intro
then
3305 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
3315 # Try to compile self as an expression
3316 # Do not call this method directly, use `v.expr` instead
3317 private fun expr
(v
: AbstractCompilerVisitor): nullable RuntimeVariable
3319 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name}:{location.to_s}\\n\
");")
3320 var mtype
= self.mtype
3321 if mtype
== null then
3324 var res
= v
.new_var
(mtype
)
3325 v
.add
("/* {res} = NOT YET {class_name} */")
3330 # Try to compile self as a statement
3331 # Do not call this method directly, use `v.stmt` instead
3332 private fun stmt
(v
: AbstractCompilerVisitor)
3338 redef class ABlockExpr
3341 for e
in self.n_expr
do v
.stmt
(e
)
3345 var last
= self.n_expr
.last
3346 for e
in self.n_expr
do
3347 if e
== last
then break
3350 return v
.expr
(last
, null)
3354 redef class AVardeclExpr
3357 var variable
= self.variable
.as(not null)
3358 var ne
= self.n_expr
3360 var i
= v
.expr
(ne
, variable
.declared_type
)
3361 v
.assign
(v
.variable
(variable
), i
)
3366 redef class AVarExpr
3369 var res
= v
.variable
(self.variable
.as(not null))
3370 var mtype
= self.mtype
.as(not null)
3371 return v
.autoadapt
(res
, mtype
)
3375 redef class AVarAssignExpr
3378 var variable
= self.variable
.as(not null)
3379 var i
= v
.expr
(self.n_value
, variable
.declared_type
)
3380 v
.assign
(v
.variable
(variable
), i
)
3385 redef class AVarReassignExpr
3388 var variable
= self.variable
.as(not null)
3389 var vari
= v
.variable
(variable
)
3390 var value
= v
.expr
(self.n_value
, variable
.declared_type
)
3391 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [vari
, value
])
3393 v
.assign
(v
.variable
(variable
), res
)
3397 redef class ASelfExpr
3398 redef fun expr
(v
) do return v
.frame
.arguments
.first
3401 redef class AImplicitSelfExpr
3402 redef fun expr
(v
) do
3403 if not is_sys
then return super
3404 return v
.new_expr
("glob_sys", mtype
.as(not null))
3408 redef class AEscapeExpr
3409 redef fun stmt
(v
) do v
.add
("goto BREAK_{v.escapemark_name(self.escapemark)};")
3412 redef class AReturnExpr
3415 var nexpr
= self.n_expr
3416 if nexpr
!= null then
3417 var returnvar
= v
.frame
.returnvar
.as(not null)
3418 var i
= v
.expr
(nexpr
, returnvar
.mtype
)
3419 v
.assign
(returnvar
, i
)
3421 v
.add
("goto {v.frame.returnlabel.as(not null)};")
3425 redef class AAbortExpr
3426 redef fun stmt
(v
) do v
.add_abort
("Aborted")
3432 var cond
= v
.expr_bool
(self.n_expr
)
3433 v
.add
("if ({cond})\{")
3442 var res
= v
.new_var
(self.mtype
.as(not null))
3443 var cond
= v
.expr_bool
(self.n_expr
)
3444 v
.add
("if ({cond})\{")
3445 v
.assign
(res
, v
.expr
(self.n_then
.as(not null), null))
3447 v
.assign
(res
, v
.expr
(self.n_else
.as(not null), null))
3453 redef class AIfexprExpr
3456 var res
= v
.new_var
(self.mtype
.as(not null))
3457 var cond
= v
.expr_bool
(self.n_expr
)
3458 v
.add
("if ({cond})\{")
3459 v
.assign
(res
, v
.expr
(self.n_then
, null))
3461 v
.assign
(res
, v
.expr
(self.n_else
, null))
3470 if self.n_catch
!= null then
3471 v
.add
("catchStack.cursor += 1;")
3472 v
.add
("if(!setjmp(catchStack.envs[catchStack.cursor]))\{")
3473 v
.stmt
(self.n_block
)
3474 v
.add
("catchStack.cursor -= 1;")
3476 v
.add
("catchStack.cursor -= 1;")
3477 v
.stmt
(self.n_catch
)
3480 v
.stmt
(self.n_block
)
3482 v
.add_escape_label
(break_mark
)
3486 redef class AWhileExpr
3490 var cond
= v
.expr_bool
(self.n_expr
)
3491 v
.add
("if (!{cond}) break;")
3492 v
.stmt
(self.n_block
)
3493 v
.add_escape_label
(continue_mark
)
3495 v
.add_escape_label
(break_mark
)
3499 redef class ALoopExpr
3503 v
.stmt
(self.n_block
)
3504 v
.add_escape_label
(continue_mark
)
3506 v
.add_escape_label
(break_mark
)
3510 redef class AForExpr
3513 for g
in n_groups
do
3514 var cl
= v
.expr
(g
.n_expr
, null)
3515 var it_meth
= g
.method_iterator
3516 assert it_meth
!= null
3517 var it
= v
.compile_callsite
(it_meth
, [cl
])
3522 for g
in n_groups
do
3524 var isok_meth
= g
.method_is_ok
3525 assert isok_meth
!= null
3526 var ok
= v
.compile_callsite
(isok_meth
, [it
])
3528 v
.add
("if(!{ok}) break;")
3529 if g
.variables
.length
== 1 then
3530 var item_meth
= g
.method_item
3531 assert item_meth
!= null
3532 var i
= v
.compile_callsite
(item_meth
, [it
])
3534 v
.assign
(v
.variable
(g
.variables
.first
), i
)
3535 else if g
.variables
.length
== 2 then
3536 var key_meth
= g
.method_key
3537 assert key_meth
!= null
3538 var i
= v
.compile_callsite
(key_meth
, [it
])
3540 v
.assign
(v
.variable
(g
.variables
[0]), i
)
3541 var item_meth
= g
.method_item
3542 assert item_meth
!= null
3543 i
= v
.compile_callsite
(item_meth
, [it
])
3545 v
.assign
(v
.variable
(g
.variables
[1]), i
)
3550 v
.stmt
(self.n_block
)
3551 v
.add_escape_label
(continue_mark
)
3552 for g
in n_groups
do
3553 var next_meth
= g
.method_next
3554 assert next_meth
!= null
3555 v
.compile_callsite
(next_meth
, [g
.it
])
3558 v
.add_escape_label
(break_mark
)
3560 for g
in n_groups
do
3561 var method_finish
= g
.method_finish
3562 if method_finish
!= null then
3563 # TODO: Find a way to call this also in long escape (e.g. return)
3564 v
.compile_callsite
(method_finish
, [g
.it
])
3570 redef class AForGroup
3571 # C variable representing the iterator
3572 private var it
: RuntimeVariable is noinit
3575 redef class AAssertExpr
3578 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return
3580 var cond
= v
.expr_bool
(self.n_expr
)
3581 v
.add
("if (unlikely(!{cond})) \{")
3585 v
.add_abort
("Assert '{nid.text}' failed")
3587 v
.add_abort
("Assert failed")
3596 var res
= v
.new_var
(self.mtype
.as(not null))
3597 var i1
= v
.expr_bool
(self.n_expr
)
3598 v
.add
("if ({i1}) \{")
3601 var i2
= v
.expr_bool
(self.n_expr2
)
3602 v
.add
("{res} = {i2};")
3608 redef class AImpliesExpr
3611 var res
= v
.new_var
(self.mtype
.as(not null))
3612 var i1
= v
.expr_bool
(self.n_expr
)
3613 v
.add
("if (!{i1}) \{")
3616 var i2
= v
.expr_bool
(self.n_expr2
)
3617 v
.add
("{res} = {i2};")
3623 redef class AAndExpr
3626 var res
= v
.new_var
(self.mtype
.as(not null))
3627 var i1
= v
.expr_bool
(self.n_expr
)
3628 v
.add
("if (!{i1}) \{")
3631 var i2
= v
.expr_bool
(self.n_expr2
)
3632 v
.add
("{res} = {i2};")
3638 redef class ANotExpr
3641 var cond
= v
.expr_bool
(self.n_expr
)
3642 return v
.new_expr
("!{cond}", self.mtype
.as(not null))
3646 redef class AOrElseExpr
3649 var res
= v
.new_var
(self.mtype
.as(not null))
3650 var i1
= v
.expr
(self.n_expr
, null)
3652 if not v
.maybe_null
(i1
) then return i1
3654 v
.add
("if ({i1}!=NULL) \{")
3657 var i2
= v
.expr
(self.n_expr2
, null)
3664 redef class AIntegerExpr
3665 redef fun expr
(v
) do
3666 if value
isa Int then return v
.int_instance
(value
.as(Int))
3667 if value
isa Byte then return v
.byte_instance
(value
.as(Byte))
3668 if value
isa Int8 then return v
.int8_instance
(value
.as(Int8))
3669 if value
isa Int16 then return v
.int16_instance
(value
.as(Int16))
3670 if value
isa UInt16 then return v
.uint16_instance
(value
.as(UInt16))
3671 if value
isa Int32 then return v
.int32_instance
(value
.as(Int32))
3672 if value
isa UInt32 then return v
.uint32_instance
(value
.as(UInt32))
3673 # Should never happen
3678 redef class AFloatExpr
3679 redef fun expr
(v
) do return v
.float_instance
("{self.n_float.text}") # FIXME use value, not n_float
3682 redef class ACharExpr
3683 redef fun expr
(v
) do
3684 if is_ascii
then return v
.byte_instance
(value
.as(not null).ascii
)
3685 if is_code_point
then return v
.int_instance
(value
.as(not null).code_point
)
3686 return v
.char_instance
(self.value
.as(not null))
3690 redef class AArrayExpr
3693 var mtype
= self.element_mtype
.as(not null)
3694 var array
= new Array[RuntimeVariable]
3695 var res
= v
.array_instance
(array
, mtype
)
3697 var old_comprehension
= v
.frame
.comprehension
3698 v
.frame
.comprehension
= res
3699 for nexpr
in self.n_exprs
do
3702 v
.frame
.comprehension
= old_comprehension
3708 redef class AugmentedStringFormExpr
3709 # Factorize the making of a `Regex` object from a literal prefixed string
3710 protected fun make_re
(v
: AbstractCompilerVisitor, rs
: RuntimeVariable): nullable RuntimeVariable do
3713 var res
= v
.compile_callsite
(re
, [rs
])
3715 print
"Cannot call property `to_re` on {self}"
3718 for i
in suffix
.chars
do
3720 var ign
= ignore_case
3722 v
.compile_callsite
(ign
, [res
, v
.bool_instance
(true)])
3728 v
.compile_callsite
(nl
, [res
, v
.bool_instance
(true)])
3734 v
.compile_callsite
(ext
, [res
, v
.bool_instance
(false)])
3737 # Should not happen, this needs to be updated
3738 # along with the addition of new suffixes
3745 redef class AStringFormExpr
3746 redef fun expr
(v
) do return v
.string_instance
(value
)
3749 redef class AStringExpr
3750 redef fun expr
(v
) do
3751 var s
= v
.string_instance
(value
)
3752 if is_string
then return s
3753 if is_bytestring
then
3754 var ns
= v
.c_string_instance
(bytes
.items
, bytes
.length
)
3755 var ln
= v
.int_instance
(bytes
.length
)
3756 var cs
= to_bytes_with_copy
3758 var res
= v
.compile_callsite
(cs
, [ns
, ln
])
3762 var res
= make_re
(v
, s
)
3766 print
"Unimplemented prefix or suffix for {self}"
3773 redef class ASuperstringExpr
3776 var type_string
= v
.mmodule
.string_type
3778 # Collect elements of the superstring
3779 var array
= new Array[AExpr]
3780 for ne
in self.n_exprs
do
3781 # Drop literal empty string.
3782 # They appears in things like "{a}" that is ["", a, ""]
3783 if ne
isa AStringFormExpr and ne
.value
== "" then continue # skip empty sub-strings
3787 # Store the allocated native array in a static variable
3789 var varonce
= v
.get_name
("varonce")
3790 v
.add
("if (unlikely({varonce}==NULL)) \{")
3792 # The native array that will contains the elements to_s-ized.
3793 # For fast concatenation.
3794 var a
= v
.native_array_instance
(type_string
, v
.int_instance
(array
.length
))
3796 v
.add_decl
("static {a.mtype.ctype} {varonce};")
3798 # Pre-fill the array with the literal string parts.
3799 # So they do not need to be filled again when reused
3800 for i
in [0..array
.length
[ do
3802 if not ne
isa AStringFormExpr then continue
3803 var e
= v
.expr
(ne
, null)
3804 v
.native_array_set
(a
, i
, e
)
3808 # Take the native-array from the store.
3809 # The point is to prevent that some recursive execution use (and corrupt) the same native array
3810 # WARNING: not thread safe! (FIXME?)
3811 v
.add
("{a} = {varonce};")
3812 v
.add
("{varonce} = NULL;")
3815 # Stringify the elements and put them in the native array
3816 var to_s_method
= v
.get_property
("to_s", v
.object_type
)
3817 for i
in [0..array
.length
[ do
3819 if ne
isa AStringFormExpr then continue
3820 var e
= v
.expr
(ne
, null)
3821 # Skip the `to_s` if the element is already a String
3822 if not e
.mcasttype
.is_subtype
(v
.compiler
.mainmodule
, null, type_string
) then
3823 e
= v
.send
(to_s_method
, [e
]).as(not null)
3825 v
.native_array_set
(a
, i
, e
)
3828 # Fast join the C string to get the result
3829 var res
= v
.send
(v
.get_property
("native_to_s", a
.mtype
), [a
])
3832 if is_re
then res
= make_re
(v
, res
)
3834 # We finish to work with the native array,
3835 # so store it so that it can be reused
3836 v
.add
("{varonce} = {a};")
3842 redef class ACrangeExpr
3845 var i1
= v
.expr
(self.n_expr
, null)
3846 var i2
= v
.expr
(self.n_expr2
, null)
3847 var mtype
= self.mtype
.as(MClassType)
3848 var res
= v
.init_instance
(mtype
)
3849 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
3854 redef class AOrangeExpr
3857 var i1
= v
.expr
(self.n_expr
, null)
3858 var i2
= v
.expr
(self.n_expr2
, null)
3859 var mtype
= self.mtype
.as(MClassType)
3860 var res
= v
.init_instance
(mtype
)
3861 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
3866 redef class ATrueExpr
3867 redef fun expr
(v
) do return v
.bool_instance
(true)
3870 redef class AFalseExpr
3871 redef fun expr
(v
) do return v
.bool_instance
(false)
3874 redef class ANullExpr
3875 redef fun expr
(v
) do return v
.null_instance
3878 redef class AIsaExpr
3881 var i
= v
.expr
(self.n_expr
, null)
3882 var cast_type
= self.cast_type
3883 if cast_type
== null then return null # no-no on broken node
3884 return v
.type_test
(i
, cast_type
, "isa")
3888 redef class AAsCastExpr
3891 var i
= v
.expr
(self.n_expr
, null)
3892 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
3894 v
.add_cast
(i
, self.mtype
.as(not null), "as")
3899 redef class AAsNotnullExpr
3902 var i
= v
.expr
(self.n_expr
, null)
3903 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
3905 if not v
.maybe_null
(i
) then return i
3907 v
.add
("if (unlikely({i} == NULL)) \{")
3908 v
.add_abort
("Cast failed")
3914 redef class AParExpr
3915 redef fun expr
(v
) do return v
.expr
(self.n_expr
, null)
3918 redef class AOnceExpr
3921 var mtype
= self.mtype
.as(not null)
3922 var name
= v
.get_name
("varonce")
3923 var guard
= v
.get_name
(name
+ "_guard")
3924 v
.add_decl
("static {mtype.ctype} {name};")
3925 v
.add_decl
("static int {guard};")
3926 var res
= v
.new_var
(mtype
)
3927 v
.add
("if (likely({guard})) \{")
3928 v
.add
("{res} = {name};")
3930 var i
= v
.expr
(self.n_expr
, mtype
)
3931 v
.add
("{res} = {i};")
3932 v
.add
("{name} = {res};")
3933 v
.add
("{guard} = 1;")
3939 redef class ASendExpr
3942 var recv
= v
.expr
(self.n_expr
, null)
3943 var callsite
= self.callsite
.as(not null)
3944 if callsite
.is_broken
then return null
3945 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
3946 return v
.compile_callsite
(callsite
, args
)
3950 redef class ASendReassignFormExpr
3953 var recv
= v
.expr
(self.n_expr
, null)
3954 var callsite
= self.callsite
.as(not null)
3955 if callsite
.is_broken
then return
3956 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
3958 var value
= v
.expr
(self.n_value
, null)
3960 var left
= v
.compile_callsite
(callsite
, args
)
3963 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [left
, value
])
3967 v
.compile_callsite
(self.write_callsite
.as(not null), args
)
3971 redef class ASuperExpr
3974 var frame
= v
.frame
.as(not null)
3975 var recv
= frame
.arguments
.first
3977 var callsite
= self.callsite
3978 if callsite
!= null then
3979 if callsite
.is_broken
then return null
3982 if self.n_args
.n_exprs
.is_empty
then
3983 # Add automatic arguments for the super init call
3985 for i
in [0..callsite
.msignature
.arity
[ do
3986 args
.add
(frame
.arguments
[i
+1])
3989 args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
3993 var res
= v
.compile_callsite
(callsite
, args
)
3997 var mpropdef
= self.mpropdef
.as(not null)
4000 if self.n_args
.n_exprs
.is_empty
then
4001 args
= frame
.arguments
4003 args
= v
.varargize
(mpropdef
, signaturemap
, recv
, self.n_args
.n_exprs
)
4006 # Standard call-next-method
4007 return v
.supercall
(mpropdef
, recv
.mtype
.as(MClassType), args
)
4011 redef class ANewExpr
4014 var mtype
= self.recvtype
4015 assert mtype
!= null
4017 if mtype
.mclass
.name
== "NativeArray" then
4018 assert self.n_args
.n_exprs
.length
== 1
4019 var l
= v
.expr
(self.n_args
.n_exprs
.first
, null)
4020 assert mtype
isa MGenericType
4021 var elttype
= mtype
.arguments
.first
4022 return v
.native_array_instance
(elttype
, l
)
4025 var callsite
= self.callsite
4026 if callsite
== null then return v
.init_instance_or_extern
(mtype
)
4027 if callsite
.is_broken
then return null
4030 # new factories are badly implemented.
4031 # They assume a stub temporary receiver exists.
4032 # This temporary receiver is required because it
4033 # currently holds the method and the formal types.
4035 # However, this object could be reused if the formal types are the same.
4036 # Therefore, the following code will `once` it in these case
4037 if callsite
.mproperty
.is_new
and not mtype
.need_anchor
then
4038 var name
= v
.get_name
("varoncenew")
4039 var guard
= v
.get_name
(name
+ "_guard")
4040 v
.add_decl
("static {mtype.ctype} {name};")
4041 v
.add_decl
("static int {guard};")
4042 recv
= v
.new_var
(mtype
)
4043 v
.add
("if (likely({guard})) \{")
4044 v
.add
("{recv} = {name};")
4046 var i
= v
.init_instance_or_extern
(mtype
)
4047 v
.add
("{recv} = {i};")
4048 v
.add
("{name} = {recv};")
4049 v
.add
("{guard} = 1;")
4052 recv
= v
.init_instance_or_extern
(mtype
)
4055 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
4056 var res2
= v
.compile_callsite
(callsite
, args
)
4057 if res2
!= null then
4058 #self.debug("got {res2} from {mproperty}. drop {recv}")
4065 redef class AAttrExpr
4068 var recv
= v
.expr
(self.n_expr
, null)
4069 var mproperty
= self.mproperty
.as(not null)
4070 return v
.read_attribute
(mproperty
, recv
)
4074 redef class AAttrAssignExpr
4077 var recv
= v
.expr
(self.n_expr
, null)
4078 var i
= v
.expr
(self.n_value
, null)
4079 var mproperty
= self.mproperty
.as(not null)
4080 v
.write_attribute
(mproperty
, recv
, i
)
4085 redef class AAttrReassignExpr
4088 var recv
= v
.expr
(self.n_expr
, null)
4089 var value
= v
.expr
(self.n_value
, null)
4090 var mproperty
= self.mproperty
.as(not null)
4091 var attr
= v
.read_attribute
(mproperty
, recv
)
4092 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [attr
, value
])
4094 v
.write_attribute
(mproperty
, recv
, res
)
4098 redef class AIssetAttrExpr
4101 var recv
= v
.expr
(self.n_expr
, null)
4102 var mproperty
= self.mproperty
.as(not null)
4103 return v
.isset_attribute
(mproperty
, recv
)
4107 redef class AVarargExpr
4110 return v
.expr
(self.n_expr
, null)
4114 redef class ANamedargExpr
4117 return v
.expr
(self.n_expr
, null)
4121 redef class ADebugTypeExpr
4130 redef class Array[E
]
4131 # Return a new `Array` with the elements only contened in self and not in `o`
4132 fun -(o
: Array[E
]): Array[E
] do
4133 var res
= new Array[E
]
4134 for e
in self do if not o
.has
(e
) then res
.add
(e
)
4140 # All `MProperty` associated to all `MClassDef` of `mclass`
4141 fun properties
(mclass
: MClass): Set[MProperty] do
4142 if not self.properties_cache
.has_key
(mclass
) then
4143 var properties
= new HashSet[MProperty]
4144 var parents
= new Array[MClass]
4145 if self.flatten_mclass_hierarchy
.has
(mclass
) then
4146 parents
.add_all
(mclass
.in_hierarchy
(self).direct_greaters
)
4148 for parent
in parents
do
4149 properties
.add_all
(self.properties
(parent
))
4151 for mclassdef
in mclass
.mclassdefs
do
4152 if not self.in_importation
<= mclassdef
.mmodule
then continue
4153 for mprop
in mclassdef
.intro_mproperties
do
4154 properties
.add
(mprop
)
4157 self.properties_cache
[mclass
] = properties
4159 return properties_cache
[mclass
]
4161 private var properties_cache
: Map[MClass, Set[MProperty]] = new HashMap[MClass, Set[MProperty]]
4163 # Write FFI and nitni results to file
4164 fun finalize_ffi
(c
: AbstractCompiler) do end
4166 # Give requided addinional system libraries (as given to LD_LIBS)
4167 # Note: can return null instead of an empty set
4168 fun collect_linker_libs
: nullable Array[String] do return null
4171 # Create a tool context to handle options and paths
4172 var toolcontext
= new ToolContext
4174 toolcontext
.tooldescription
= "Usage: nitc [OPTION]... file.nit...\nCompiles Nit programs."
4176 # We do not add other options, so process them now!
4177 toolcontext
.process_options
(args
)
4179 # We need a model to collect stufs
4180 var model
= new Model
4181 # An a model builder to parse files
4182 var modelbuilder
= new ModelBuilder(model
, toolcontext
)
4184 var arguments
= toolcontext
.option_context
.rest
4185 if arguments
.length
> 1 and toolcontext
.opt_output
.value
!= null then
4186 print
"Option Error: --output needs a single source file. Do you prefer --dir?"
4190 # Here we load an process all modules passed on the command line
4191 var mmodules
= modelbuilder
.parse
(arguments
)
4193 if mmodules
.is_empty
then toolcontext
.quit
4195 modelbuilder
.run_phases
4197 for mmodule
in mmodules
do
4198 toolcontext
.info
("*** PROCESS {mmodule} ***", 1)
4200 toolcontext
.run_global_phases
(ms
)