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
352 makefile
.write
("CC = ccache cc\nCXX = ccache c++\nCFLAGS = -g{ if not debug then " -O2 " else " "}-Wno-unused-value -Wno-switch -Wno-attributes -Wno-trigraphs\nCINCL =\nLDFLAGS ?= \nLDLIBS ?= -lm {linker_options.join(" ")}\n\n")
354 makefile
.write
"\n# SPECIAL CONFIGURATION FLAGS\n"
355 if platform
.supports_libunwind
then
356 if toolcontext
.opt_no_stacktrace
.value
then
357 makefile
.write
"NO_STACKTRACE=True"
359 makefile
.write
"NO_STACKTRACE= # Set to `True` to enable"
363 # Dynamic adaptations
364 # While `platform` enable complex toolchains, they are statically applied
365 # For a dynamic adaptsation of the compilation, the generated Makefile should check and adapt things itself
366 makefile
.write
"\n\n"
368 # Check and adapt the targeted system
369 makefile
.write
("uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')\n")
371 # Check and adapt for the compiler used
372 # clang need an additionnal `-Qunused-arguments`
373 makefile
.write
("clang_check := $(shell sh -c '$(CC) -v 2>&1 | grep -q clang; echo $$?')\nifeq ($(clang_check), 0)\n\tCFLAGS += -Qunused-arguments\nendif\n")
375 if platform
.supports_libunwind
then
377 ifneq ($(NO_STACKTRACE), True)
378 # Check and include lib-unwind in a portable way
379 ifneq ($(uname_S),Darwin)
380 # already included on macosx, but need to get the correct flags in other supported platforms.
381 ifeq ($(shell pkg-config --exists 'libunwind'; echo $$?), 0)
382 LDLIBS += `pkg-config --libs libunwind`
383 CFLAGS += `pkg-config --cflags libunwind`
385 $(warning "[_] stack-traces disabled. Please install libunwind-dev.")
386 CFLAGS += -D NO_STACKTRACE
390 # Stacktraces disabled
391 CFLAGS += -D NO_STACKTRACE
396 makefile
.write
("CFLAGS += -D NO_STACKTRACE\n\n")
400 # Special configuration for Darwin
401 ifeq ($(uname_S),Darwin)
402 # Remove POSIX flag -lrt
403 LDLIBS := $(filter-out -lrt,$(LDLIBS))
408 makefile
.write
("all: {outpath}\n")
409 if outpath
!= real_outpath
then
410 makefile
.write
("\tcp -- {outpath.escape_to_sh} {real_outpath.escape_to_sh.replace("$","$$")}")
414 var ofiles
= new Array[String]
415 var dep_rules
= new Array[String]
416 # Compile each generated file
418 var o
= f
.strip_extension
(".c") + ".o"
419 makefile
.write
("{o}: {f}\n\t$(CC) $(CFLAGS) $(CINCL) -c -o {o} {f}\n\n")
424 # Generate linker script, if any
425 if not compiler
.linker_script
.is_empty
then
426 var linker_script_path
= "{compile_dir}/linker_script"
427 ofiles
.add
"linker_script"
428 var f
= new FileWriter.open
(linker_script_path
)
429 for l
in compiler
.linker_script
do
436 var java_files
= new Array[ExternFile]
438 var pkgconfigs
= new Array[String]
439 for f
in compiler
.extern_bodies
do
440 pkgconfigs
.add_all f
.pkgconfigs
443 if not pkgconfigs
.is_empty
then
445 # does pkg-config exists?
446 ifneq ($(shell which pkg-config >/dev/null; echo $$?), 0)
447 $(error "Command `pkg-config` not found. Please install it")
450 for p
in pkgconfigs
do
452 # Check for library {{{p}}}
453 ifneq ($(shell pkg-config --exists '{{{p}}}'; echo $$?), 0)
454 $(error "pkg-config: package {{{p}}} is not found.")
460 # Compile each required extern body into a specific .o
461 for f
in compiler
.extern_bodies
do
462 var o
= f
.makefile_rule_name
463 var ff
= f
.filename
.basename
464 makefile
.write
("{o}: {ff}\n")
465 makefile
.write
("\t{f.makefile_rule_content}\n\n")
466 dep_rules
.add
(f
.makefile_rule_name
)
468 if f
.compiles_to_o_file
then ofiles
.add
(o
)
469 if f
.add_to_jar
then java_files
.add
(f
)
472 if not java_files
.is_empty
then
473 var jar_file
= "{outpath}.jar"
475 var class_files_array
= new Array[String]
476 for f
in java_files
do class_files_array
.add
(f
.makefile_rule_name
)
477 var class_files
= class_files_array
.join
(" ")
479 makefile
.write
("{jar_file}: {class_files}\n")
480 makefile
.write
("\tjar cf {jar_file} {class_files}\n\n")
481 dep_rules
.add jar_file
486 if not pkgconfigs
.is_empty
then
487 pkg
= "`pkg-config --libs {pkgconfigs.join(" ")}`"
489 makefile
.write
("{outpath}: {dep_rules.join(" ")}\n\t$(CC) $(LDFLAGS) -o {outpath.escape_to_sh} {ofiles.join(" ")} $(LDLIBS) {pkg}\n\n")
491 makefile
.write
("clean:\n\trm {ofiles.join(" ")} 2>/dev/null\n")
492 if outpath
!= real_outpath
then
493 makefile
.write
("\trm -- {outpath.escape_to_sh} 2>/dev/null\n")
496 self.toolcontext
.info
("Generated makefile: {makepath}", 2)
498 makepath
.file_copy_to
"{compile_dir}/Makefile"
501 # The C code is generated, compile it to an executable
502 fun compile_c_code
(compile_dir
: String)
504 var makename
= makefile_name
506 var makeflags
= self.toolcontext
.opt_make_flags
.value
507 if makeflags
== null then makeflags
= ""
509 var command
= "make -B -C {compile_dir} -f {makename} -j 4 {makeflags}"
510 self.toolcontext
.info
(command
, 2)
513 if self.toolcontext
.verbose_level
>= 3 or is_windows
then
514 res
= sys
.system
("{command} 2>&1")
516 res
= sys
.system
("{command} 2>&1 >/dev/null")
519 toolcontext
.error
(null, "Compilation Error: `make` failed with error code: {res}. The command was `{command}`.")
524 # Singleton that store the knowledge about the compilation process
525 abstract class AbstractCompiler
526 type VISITOR: AbstractCompilerVisitor
528 # Table corresponding c_names to nit names (methods)
529 var names
= new HashMap[String, String]
531 # The main module of the program currently compiled
532 # Is assigned during the separate compilation
533 var mainmodule
: MModule is writable
535 # The real main module of the program
536 var realmainmodule
: MModule is noinit
538 # The modelbuilder used to know the model and the AST
539 var modelbuilder
: ModelBuilder is protected writable
541 # The associated toolchain
543 # Set by `modelbuilder.write_and_make` and permit sub-routines to access the current toolchain if required.
544 var toolchain
: Toolchain is noinit
546 # Is hardening asked? (see --hardening)
547 fun hardening
: Bool do return self.modelbuilder
.toolcontext
.opt_hardening
.value
549 # The targeted specific platform
550 var target_platform
: Platform is noinit
554 self.realmainmodule
= mainmodule
555 target_platform
= mainmodule
.target_platform
or else new Platform
558 # Do the full code generation of the program `mainmodule`
559 # It is the main method usually called after the instantiation
560 fun do_compilation
is abstract
562 # Force the creation of a new file
563 # The point is to avoid contamination between must-be-compiled-separately files
564 fun new_file
(name
: String): CodeFile
566 if modelbuilder
.toolcontext
.opt_group_c_files
.value
then
567 if self.files
.is_empty
then
568 var f
= new CodeFile(mainmodule
.c_name
)
571 return self.files
.first
573 var f
= new CodeFile(name
)
578 # The list of all associated files
579 # Used to generate .c files
580 var files
= new Array[CodeFile]
582 # Initialize a visitor specific for a compiler engine
583 fun new_visitor
: VISITOR is abstract
585 # Where global declaration are stored (the main .h)
586 var header
: CodeWriter is writable, noinit
588 # Additionnal linker script for `ld`.
589 # Mainly used to do specific link-time symbol resolution
590 var linker_script
= new Array[String]
592 # Provide a declaration that can be requested (before or latter) by a visitor
593 fun provide_declaration
(key
: String, s
: String)
595 if self.provided_declarations
.has_key
(key
) then
596 assert self.provided_declarations
[key
] == s
598 self.provided_declarations
[key
] = s
601 private var provided_declarations
= new HashMap[String, String]
603 private var requirers_of_declarations
= new HashMap[String, ANode]
605 # Builds the .c and .h files to be used when generating a Stack Trace
606 # Binds the generated C function names to Nit function names
607 fun build_c_to_nit_bindings
609 var compile_dir
= toolchain
.compile_dir
611 var stream
= new FileWriter.open
("{compile_dir}/c_functions_hash.c")
612 stream
.write
("#include <string.h>\n")
613 stream
.write
("#include <stdlib.h>\n")
614 stream
.write
("#include \"c_functions_hash
.h\
"\n")
615 stream
.write
("typedef struct C_Nit_Names\{char* name; char* nit_name;\}C_Nit_Names;\n")
616 stream
.write
("const char* get_nit_name(register const char* procproc, register unsigned int len)\{\n")
617 stream
.write
("char* procname = malloc(len+1);")
618 stream
.write
("memcpy(procname, procproc, len);")
619 stream
.write
("procname[len] = '\\0';")
620 stream
.write
("static const C_Nit_Names map[{names.length}] = \{\n")
621 for i
in names
.keys
do
623 stream.write(i.escape_to_c)
624 stream.write("\
",\"")
625 stream.write(names[i].escape_to_c)
626 stream.write("\
"\},\n")
628 stream
.write
("\};\n")
629 stream
.write
("int i;")
630 stream
.write
("for(i = 0; i < {names.length}; i++)\{")
631 stream
.write
("if(strcmp(procname,map[i].name) == 0)\{")
632 stream
.write
("free(procname);")
633 stream
.write
("return map[i].nit_name;")
636 stream
.write
("free(procname);")
637 stream
.write
("return NULL;")
641 stream
= new FileWriter.open
("{compile_dir}/c_functions_hash.h")
642 stream
.write
("const char* get_nit_name(register const char* procname, register unsigned int len);\n")
645 extern_bodies
.add
(new ExternCFile("{compile_dir}/c_functions_hash.c", ""))
649 # This method call compile_header_strucs method that has to be refined
650 fun compile_header
do
651 self.header
.add_decl
("#include <stdlib.h>")
652 self.header
.add_decl
("#include <stdio.h>")
653 self.header
.add_decl
("#include <string.h>")
655 self.header
.add_decl
("#include <setjmp.h>\n")
656 self.header
.add_decl
("#include <sys/types.h>\n")
657 self.header
.add_decl
("#include <unistd.h>\n")
658 self.header
.add_decl
("#include <stdint.h>\n")
659 self.header
.add_decl
("#ifdef __linux__")
660 self.header
.add_decl
(" #include <endian.h>")
661 self.header
.add_decl
("#endif")
662 self.header
.add_decl
("#include <inttypes.h>\n")
663 self.header
.add_decl
("#include \"gc_chooser
.h\
"")
664 self.header
.add_decl
("#ifdef __APPLE__")
665 self.header
.add_decl
(" #include <libkern/OSByteOrder.h>")
666 self.header
.add_decl
(" #define be32toh(x) OSSwapBigToHostInt32(x)")
667 self.header
.add_decl
("#endif")
668 self.header
.add_decl
("#ifdef _WIN32")
669 self.header
.add_decl
(" #define be32toh(val) _byteswap_ulong(val)")
670 self.header
.add_decl
("#endif")
671 self.header
.add_decl
("#ifdef __pnacl__")
672 self.header
.add_decl
(" #define be16toh(val) (((val) >> 8) | ((val) << 8))")
673 self.header
.add_decl
(" #define be32toh(val) ((be16toh((val) << 16) | (be16toh((val) >> 16))))")
674 self.header
.add_decl
("#endif")
675 self.header
.add_decl
("#ifdef ANDROID")
676 self.header
.add_decl
(" #ifndef be32toh")
677 self.header
.add_decl
(" #define be32toh(val) betoh32(val)")
678 self.header
.add_decl
(" #endif")
679 self.header
.add_decl
(" #include <android/log.h>")
680 self.header
.add_decl
(" #define PRINT_ERROR(...) (void)__android_log_print(ANDROID_LOG_WARN, \"Nit\
", __VA_ARGS__)")
681 self.header
.add_decl
("#else")
682 self.header
.add_decl
(" #define PRINT_ERROR(...) fprintf(stderr, __VA_ARGS__)")
683 self.header
.add_decl
("#endif")
685 compile_header_structs
686 compile_nitni_structs
689 var gccd_disable
= modelbuilder
.toolcontext
.opt_no_gcc_directive
.value
690 if gccd_disable
.has
("noreturn") or gccd_disable
.has
("all") then
691 # Signal handler function prototype
692 self.header
.add_decl
("void fatal_exit(int);")
694 self.header
.add_decl
("void fatal_exit(int) __attribute__ ((noreturn));")
697 if gccd_disable
.has
("likely") or gccd_disable
.has
("all") then
698 self.header
.add_decl
("#define likely(x) (x)")
699 self.header
.add_decl
("#define unlikely(x) (x)")
700 else if gccd_disable
.has
("correct-likely") then
701 # invert the `likely` definition
702 # Used by masochists to bench the worst case
703 self.header
.add_decl
("#define likely(x) __builtin_expect((x),0)")
704 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),1)")
706 self.header
.add_decl
("#define likely(x) __builtin_expect((x),1)")
707 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),0)")
710 # Global variable used by intern methods
711 self.header
.add_decl
("extern int glob_argc;")
712 self.header
.add_decl
("extern char **glob_argv;")
713 self.header
.add_decl
("extern val *glob_sys;")
716 # Stack stocking environment for longjumps
717 protected fun compile_catch_stack
do
718 self.header
.add_decl
"""
719 struct catch_stack_t {
723 extern struct catch_stack_t catchStack;
727 # Declaration of structures for live Nit types
728 protected fun compile_header_structs
is abstract
730 # Declaration of structures for nitni undelying the FFI
731 protected fun compile_nitni_structs
733 self.header
.add_decl
"""
734 /* Native reference to Nit objects */
735 /* This structure is used to represent every Nit type in extern methods and custom C code. */
737 struct nitni_ref *next,
738 *prev; /* adjacent global references in global list */
739 int count; /* number of time this global reference has been marked */
742 /* List of global references from C code to Nit objects */
743 /* Instanciated empty at init of Nit system and filled explicitly by user in C code */
744 struct nitni_global_ref_list_t {
745 struct nitni_ref *head, *tail;
747 extern struct nitni_global_ref_list_t *nitni_global_ref_list;
749 /* Initializer of global reference list */
750 extern void nitni_global_ref_list_init();
752 /* Intern function to add a global reference to the list */
753 extern void nitni_global_ref_add( struct nitni_ref *ref );
755 /* Intern function to remove a global reference from the list */
756 extern void nitni_global_ref_remove( struct nitni_ref *ref );
758 /* Increase count on an existing global reference */
759 extern void nitni_global_ref_incr( struct nitni_ref *ref );
761 /* Decrease count on an existing global reference */
762 extern void nitni_global_ref_decr( struct nitni_ref *ref );
766 fun compile_finalizer_function
768 var finalizable_type
= mainmodule
.finalizable_type
769 if finalizable_type
== null then return
771 var finalize_meth
= mainmodule
.try_get_primitive_method
("finalize", finalizable_type
.mclass
)
773 if finalize_meth
== null then
774 modelbuilder
.toolcontext
.error
(null, "Error: the `Finalizable` class does not declare the `finalize` method.")
778 var v
= self.new_visitor
779 v
.add_decl
"void gc_finalize (void *obj, void *client_data) \{"
780 var recv
= v
.new_expr
("obj", finalizable_type
)
781 v
.send
(finalize_meth
, [recv
])
785 # Hook to add specif piece of code before the the main C function.
787 # Is called by `compile_main_function`
788 fun compile_before_main
(v
: VISITOR)
792 # Hook to add specif piece of code at the begin on the main C function.
794 # Is called by `compile_main_function`
795 fun compile_begin_main
(v
: VISITOR)
799 # Generate the main C function.
803 # * allocate the Sys object if it exists
804 # * call init if is exists
805 # * call main if it exists
806 fun compile_main_function
808 var v
= self.new_visitor
809 v
.add_decl
("#include <signal.h>")
810 var platform
= target_platform
812 var no_main
= platform
.no_main
or modelbuilder
.toolcontext
.opt_no_main
.value
814 if platform
.supports_libunwind
then
815 v
.add_decl
("#ifndef NO_STACKTRACE")
816 v
.add_decl
("#define UNW_LOCAL_ONLY")
817 v
.add_decl
("#include <libunwind.h>")
818 v
.add_decl
("#include \"c_functions_hash
.h\
"")
821 v
.add_decl
("int glob_argc;")
822 v
.add_decl
("char **glob_argv;")
823 v
.add_decl
("val *glob_sys;")
824 v
.add_decl
("struct catch_stack_t catchStack;")
826 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
827 for tag
in count_type_test_tags
do
828 v
.add_decl
("long count_type_test_resolved_{tag};")
829 v
.add_decl
("long count_type_test_unresolved_{tag};")
830 v
.add_decl
("long count_type_test_skipped_{tag};")
831 v
.compiler
.header
.add_decl
("extern long count_type_test_resolved_{tag};")
832 v
.compiler
.header
.add_decl
("extern long count_type_test_unresolved_{tag};")
833 v
.compiler
.header
.add_decl
("extern long count_type_test_skipped_{tag};")
837 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
838 v
.add_decl
("long count_invoke_by_tables;")
839 v
.add_decl
("long count_invoke_by_direct;")
840 v
.add_decl
("long count_invoke_by_inline;")
841 v
.compiler
.header
.add_decl
("extern long count_invoke_by_tables;")
842 v
.compiler
.header
.add_decl
("extern long count_invoke_by_direct;")
843 v
.compiler
.header
.add_decl
("extern long count_invoke_by_inline;")
846 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
847 v
.add_decl
("long count_attr_reads = 0;")
848 v
.add_decl
("long count_isset_checks = 0;")
849 v
.compiler
.header
.add_decl
("extern long count_attr_reads;")
850 v
.compiler
.header
.add_decl
("extern long count_isset_checks;")
853 v
.add_decl
("static void show_backtrace(void) \{")
854 if platform
.supports_libunwind
then
855 v
.add_decl
("#ifndef NO_STACKTRACE")
856 v
.add_decl
("char* opt = getenv(\"NIT_NO_STACK\
");")
857 v
.add_decl
("unw_cursor_t cursor;")
858 v
.add_decl
("if(opt==NULL)\{")
859 v
.add_decl
("unw_context_t uc;")
860 v
.add_decl
("unw_word_t ip;")
861 v
.add_decl
("char* procname = malloc(sizeof(char) * 100);")
862 v
.add_decl
("unw_getcontext(&uc);")
863 v
.add_decl
("unw_init_local(&cursor, &uc);")
864 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
865 v
.add_decl
("PRINT_ERROR(\"-- Stack Trace ------------------------------\\n\
");")
866 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
867 v
.add_decl
("while (unw_step(&cursor) > 0) \{")
868 v
.add_decl
(" unw_get_proc_name(&cursor, procname, 100, &ip);")
869 v
.add_decl
(" const char* recv = get_nit_name(procname, strlen(procname));")
870 v
.add_decl
(" if (recv != NULL)\{")
871 v
.add_decl
(" PRINT_ERROR(\"` %s\\n\", recv);")
872 v.add_decl(" \}else\{")
873 v.add_decl(" PRINT_ERROR(\"` %s\\n\
", procname);")
876 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
877 v
.add_decl
("free(procname);")
879 v
.add_decl
("#endif /* NO_STACKTRACE */")
883 v
.add_decl
("void sig_handler(int signo)\{")
884 v
.add_decl
"#ifdef _WIN32"
885 v
.add_decl
"PRINT_ERROR(\"Caught signal
: %s\\n\
", signo);"
887 v
.add_decl
("PRINT_ERROR(\"Caught signal
: %s\\n\
", strsignal(signo));")
889 v
.add_decl
("show_backtrace();")
891 v
.add_decl
("signal(signo, SIG_DFL);")
892 v
.add_decl
"#ifndef _WIN32"
893 v
.add_decl
("kill(getpid(), signo);")
897 v
.add_decl
("void fatal_exit(int status) \{")
898 v
.add_decl
("show_backtrace();")
899 v
.add_decl
("exit(status);")
902 compile_before_main
(v
)
905 v
.add_decl
("int nit_main(int argc, char** argv) \{")
907 v
.add_decl
("int main(int argc, char** argv) \{")
910 compile_begin_main
(v
)
912 v
.add
"#if !defined(__ANDROID__) && !defined(TARGET_OS_IPHONE)"
913 v
.add
("signal(SIGABRT, sig_handler);")
914 v
.add
("signal(SIGFPE, sig_handler);")
915 v
.add
("signal(SIGILL, sig_handler);")
916 v
.add
("signal(SIGINT, sig_handler);")
917 v
.add
("signal(SIGTERM, sig_handler);")
918 v
.add
("signal(SIGSEGV, sig_handler);")
920 v
.add
"#ifndef _WIN32"
921 v
.add
("signal(SIGPIPE, SIG_IGN);")
924 v
.add
("glob_argc = argc; glob_argv = argv;")
925 v
.add
("catchStack.cursor = -1;")
926 v
.add
("initialize_gc_option();")
928 v
.add
"initialize_nitni_global_refs();"
930 var main_type
= mainmodule
.sys_type
931 if main_type
!= null then
932 var mainmodule
= v
.compiler
.mainmodule
933 var glob_sys
= v
.init_instance
(main_type
)
934 v
.add
("glob_sys = {glob_sys};")
935 var main_init
= mainmodule
.try_get_primitive_method
("init", main_type
.mclass
)
936 if main_init
!= null then
937 v
.send
(main_init
, [glob_sys
])
939 var main_method
= mainmodule
.try_get_primitive_method
("run", main_type
.mclass
) or else
940 mainmodule
.try_get_primitive_method
("main", main_type
.mclass
)
941 if main_method
!= null then
942 v
.send
(main_method
, [glob_sys
])
946 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
947 v
.add_decl
("long count_type_test_resolved_total = 0;")
948 v
.add_decl
("long count_type_test_unresolved_total = 0;")
949 v
.add_decl
("long count_type_test_skipped_total = 0;")
950 v
.add_decl
("long count_type_test_total_total = 0;")
951 for tag
in count_type_test_tags
do
952 v
.add_decl
("long count_type_test_total_{tag};")
953 v
.add
("count_type_test_total_{tag} = count_type_test_resolved_{tag} + count_type_test_unresolved_{tag} + count_type_test_skipped_{tag};")
954 v
.add
("count_type_test_resolved_total += count_type_test_resolved_{tag};")
955 v
.add
("count_type_test_unresolved_total += count_type_test_unresolved_{tag};")
956 v
.add
("count_type_test_skipped_total += count_type_test_skipped_{tag};")
957 v
.add
("count_type_test_total_total += count_type_test_total_{tag};")
959 v
.add
("printf(\"# dynamic count_type_test: total %l\\n\");")
960 v
.add
("printf(\"\\tresolved\\tunresolved\\tskipped\\ttotal\\n\
");")
961 var tags
= count_type_test_tags
.to_a
964 v
.add
("printf(\"{tag}\
");")
965 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_resolved_{tag}, 100.0*count_type_test_resolved_{tag}/count_type_test_total_total);")
966 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_unresolved_{tag}, 100.0*count_type_test_unresolved_{tag}/count_type_test_total_total);")
967 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_skipped_{tag}, 100.0*count_type_test_skipped_{tag}/count_type_test_total_total);")
968 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\\n\
", count_type_test_total_{tag}, 100.0*count_type_test_total_{tag}/count_type_test_total_total);")
972 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
973 v
.add_decl
("long count_invoke_total;")
974 v
.add
("count_invoke_total = count_invoke_by_tables + count_invoke_by_direct + count_invoke_by_inline;")
975 v
.add
("printf(\"# dynamic count_invocation: total %ld\\n\", count_invoke_total);")
976 v
.add
("printf(\"by table
: %ld
(%.2f
%%)\\n\
", count_invoke_by_tables, 100.0*count_invoke_by_tables/count_invoke_total);")
977 v
.add
("printf(\"direct
: %ld
(%.2f
%%)\\n\
", count_invoke_by_direct, 100.0*count_invoke_by_direct/count_invoke_total);")
978 v
.add
("printf(\"inlined
: %ld
(%.2f
%%)\\n\
", count_invoke_by_inline, 100.0*count_invoke_by_inline/count_invoke_total);")
981 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
982 v
.add
("printf(\"# dynamic attribute reads: %ld\\n\", count_attr_reads);")
983 v
.add
("printf(\"# dynamic isset checks: %ld\\n\", count_isset_checks);")
989 for m
in mainmodule
.in_importation
.greaters
do
990 var f
= "FILE_"+m
.c_name
991 v
.add
"const char {f}[] = \"{m.location.file.filename.escape_to_c}\
";"
992 provide_declaration
(f
, "extern const char {f}[];")
996 # Copile all C functions related to the [incr|decr]_ref features of the FFI
997 fun compile_nitni_global_ref_functions
999 var v
= self.new_visitor
1001 struct nitni_global_ref_list_t *nitni_global_ref_list;
1002 void initialize_nitni_global_refs() {
1003 nitni_global_ref_list = (struct nitni_global_ref_list_t*)nit_alloc(sizeof(struct nitni_global_ref_list_t));
1004 nitni_global_ref_list->head = NULL;
1005 nitni_global_ref_list->tail = NULL;
1008 void nitni_global_ref_add( struct nitni_ref *ref ) {
1009 if ( nitni_global_ref_list->head == NULL ) {
1010 nitni_global_ref_list->head = ref;
1013 nitni_global_ref_list->tail->next = ref;
1014 ref->prev = nitni_global_ref_list->tail;
1016 nitni_global_ref_list->tail = ref;
1021 void nitni_global_ref_remove( struct nitni_ref *ref ) {
1022 if ( ref->prev == NULL ) {
1023 nitni_global_ref_list->head = ref->next;
1025 ref->prev->next = ref->next;
1028 if ( ref->next == NULL ) {
1029 nitni_global_ref_list->tail = ref->prev;
1031 ref->next->prev = ref->prev;
1035 extern void nitni_global_ref_incr( struct nitni_ref *ref ) {
1036 if ( ref->count == 0 ) /* not registered */
1039 nitni_global_ref_add( ref );
1045 extern void nitni_global_ref_decr( struct nitni_ref *ref ) {
1046 if ( ref->count == 1 ) /* was last reference */
1048 /* remove from list */
1049 nitni_global_ref_remove( ref );
1057 # List of additional files required to compile (FFI)
1058 var extern_bodies
= new Array[ExternFile]
1060 # List of source files to copy over to the compile dir
1061 var files_to_copy
= new Array[String]
1063 # This is used to avoid adding an extern file more than once
1064 private var seen_extern
= new ArraySet[String]
1066 # Generate code that initialize the attributes on a new instance
1067 fun generate_init_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1069 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1070 self.mainmodule
.linearize_mclassdefs
(cds
)
1072 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1073 npropdef
.init_expr
(v
, recv
)
1078 # Generate code that check if an attribute is correctly initialized
1079 fun generate_check_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1081 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1082 self.mainmodule
.linearize_mclassdefs
(cds
)
1084 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1085 npropdef
.check_expr
(v
, recv
)
1092 var count_type_test_tags
: Array[String] = ["isa", "as", "auto", "covariance", "erasure"]
1093 var count_type_test_resolved
: HashMap[String, Int] = init_count_type_test_tags
1094 var count_type_test_unresolved
: HashMap[String, Int] = init_count_type_test_tags
1095 var count_type_test_skipped
: HashMap[String, Int] = init_count_type_test_tags
1097 protected fun init_count_type_test_tags
: HashMap[String, Int]
1099 var res
= new HashMap[String, Int]
1100 for tag
in count_type_test_tags
do
1106 # Display stats about compilation process
1110 # * type tests against resolved types (`x isa Collection[Animal]`)
1111 # * type tests against unresolved types (`x isa Collection[E]`)
1112 # * type tests skipped
1113 # * type tests total
1116 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1117 print
"# static count_type_test"
1118 print
"\tresolved:\tunresolved\tskipped\ttotal"
1119 var count_type_test_total
= init_count_type_test_tags
1120 count_type_test_resolved
["total"] = 0
1121 count_type_test_unresolved
["total"] = 0
1122 count_type_test_skipped
["total"] = 0
1123 count_type_test_total
["total"] = 0
1124 for tag
in count_type_test_tags
do
1125 count_type_test_total
[tag
] = count_type_test_resolved
[tag
] + count_type_test_unresolved
[tag
] + count_type_test_skipped
[tag
]
1126 count_type_test_resolved
["total"] += count_type_test_resolved
[tag
]
1127 count_type_test_unresolved
["total"] += count_type_test_unresolved
[tag
]
1128 count_type_test_skipped
["total"] += count_type_test_skipped
[tag
]
1129 count_type_test_total
["total"] += count_type_test_total
[tag
]
1131 var count_type_test
= count_type_test_total
["total"]
1132 var tags
= count_type_test_tags
.to_a
1136 printn
"\t{count_type_test_resolved[tag]} ({div(count_type_test_resolved[tag],count_type_test)}%)"
1137 printn
"\t{count_type_test_unresolved[tag]} ({div(count_type_test_unresolved[tag],count_type_test)}%)"
1138 printn
"\t{count_type_test_skipped[tag]} ({div(count_type_test_skipped[tag],count_type_test)}%)"
1139 printn
"\t{count_type_test_total[tag]} ({div(count_type_test_total[tag],count_type_test)}%)"
1145 fun finalize_ffi_for_module
(mmodule
: MModule) do mmodule
.finalize_ffi
(self)
1148 # A file unit (may be more than one file if
1149 # A file unit aim to be autonomous and is made or one or more `CodeWriter`s
1152 var writers
= new Array[CodeWriter]
1153 var required_declarations
= new HashSet[String]
1156 # Where to store generated lines
1159 var lines
= new Array[String]
1160 var decl_lines
= new Array[String]
1162 # Add a line in the main part of the generated C
1163 fun add
(s
: String) do self.lines
.add
(s
)
1166 # (used for local or global declaration)
1167 fun add_decl
(s
: String) do self.decl_lines
.add
(s
)
1171 file
.writers
.add
(self)
1175 # A visitor on the AST of property definition that generate the C code.
1176 abstract class AbstractCompilerVisitor
1178 type COMPILER: AbstractCompiler
1180 # The associated compiler
1181 var compiler
: COMPILER
1183 # The current visited AST node
1184 var current_node
: nullable ANode = null is writable
1186 # The current `StaticFrame`
1187 var frame
: nullable StaticFrame = null is writable
1189 # Alias for self.compiler.mainmodule.object_type
1190 fun object_type
: MClassType do return self.compiler
.mainmodule
.object_type
1192 # Alias for self.compiler.mainmodule.bool_type
1193 fun bool_type
: MClassType do return self.compiler
.mainmodule
.bool_type
1195 var writer
: CodeWriter is noinit
1199 self.writer
= new CodeWriter(compiler
.files
.last
)
1202 # Force to get the primitive property named `name` in the instance `recv` or abort
1203 fun get_property
(name
: String, recv
: MType): MMethod
1205 assert recv
isa MClassType
1206 return self.compiler
.modelbuilder
.force_get_primitive_method
(self.current_node
, name
, recv
.mclass
, self.compiler
.mainmodule
)
1209 fun compile_callsite
(callsite
: CallSite, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
1211 if callsite
.is_broken
then return null
1212 var initializers
= callsite
.mpropdef
.initializers
1213 if not initializers
.is_empty
then
1214 var recv
= arguments
.first
1217 for p
in initializers
do
1218 if p
isa MMethod then
1220 for x
in p
.intro
.msignature
.mparameters
do
1221 args
.add arguments
[i
]
1225 else if p
isa MAttribute then
1226 self.write_attribute
(p
, recv
, arguments
[i
])
1230 assert i
== arguments
.length
1232 return self.send
(callsite
.mproperty
, [recv
])
1235 return self.send
(callsite
.mproperty
, arguments
)
1238 fun native_array_instance
(elttype
: MType, length
: RuntimeVariable): RuntimeVariable is abstract
1240 fun native_array_def
(pname
: String, ret_type
: nullable MType, arguments
: Array[RuntimeVariable]): Bool do return false
1242 # Return an element of a native array.
1243 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1244 fun native_array_get
(native_array
: RuntimeVariable, index
: Int): RuntimeVariable is abstract
1246 # Store an element in a native array.
1247 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1248 fun native_array_set
(native_array
: RuntimeVariable, index
: Int, value
: RuntimeVariable) is abstract
1250 # Allocate `size` bytes with the low_level `nit_alloc` C function
1252 # This method can be redefined to inject statistic or tracing code.
1254 # `tag` if any, is used to mark the class of the allocated object.
1255 fun nit_alloc
(size
: String, tag
: nullable String): String
1257 return "nit_alloc({size})"
1260 # Evaluate `args` as expressions in the call of `mpropdef` on `recv`.
1261 # This method is used to manage varargs in signatures and returns the real array
1262 # of runtime variables to use in the call.
1263 fun varargize
(mpropdef
: MMethodDef, map
: nullable SignatureMap, recv
: RuntimeVariable, args
: SequenceRead[AExpr]): Array[RuntimeVariable]
1265 var msignature
= mpropdef
.new_msignature
or else mpropdef
.msignature
.as(not null)
1266 var res
= new Array[RuntimeVariable]
1269 if msignature
.arity
== 0 then return res
1272 assert args
.length
== msignature
.arity
1274 res
.add
self.expr
(ne
, null)
1279 # Eval in order of arguments, not parameters
1280 var exprs
= new Array[RuntimeVariable].with_capacity
(args
.length
)
1282 exprs
.add
self.expr
(ne
, null)
1285 # Fill `res` with the result of the evaluation according to the mapping
1286 for i
in [0..msignature
.arity
[ do
1287 var param
= msignature
.mparameters
[i
]
1288 var j
= map
.map
.get_or_null
(i
)
1291 res
.add
(null_instance
)
1294 if param
.is_vararg
and args
[i
].vararg_decl
> 0 then
1295 var vararg
= exprs
.sub
(j
, args
[i
].vararg_decl
)
1296 var elttype
= param
.mtype
1297 var arg
= self.vararg_instance
(mpropdef
, recv
, vararg
, elttype
)
1308 # Anchor a type to the main module and the current receiver
1309 fun anchor
(mtype
: MType): MType
1311 if not mtype
.need_anchor
then return mtype
1312 return mtype
.anchor_to
(self.compiler
.mainmodule
, self.frame
.receiver
)
1315 fun resolve_for
(mtype
: MType, recv
: RuntimeVariable): MType
1317 if not mtype
.need_anchor
then return mtype
1318 return mtype
.resolve_for
(recv
.mcasttype
, self.frame
.receiver
, self.compiler
.mainmodule
, true)
1321 # Unsafely cast a value to a new type
1322 # ie the result share the same C variable but my have a different mcasttype
1323 # NOTE: if the adaptation is useless then `value` is returned as it.
1324 # ENSURE: `result.name == value.name`
1325 fun autoadapt
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable
1327 mtype
= self.anchor
(mtype
)
1328 var valmtype
= value
.mcasttype
1330 # Do nothing if useless autocast
1331 if valmtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1335 # Just as_not_null if the target is not nullable.
1337 # eg `nullable PreciseType` adapted to `Object` gives precisetype.
1338 if valmtype
isa MNullableType and valmtype
.mtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1339 mtype
= valmtype
.mtype
1342 var res
= new RuntimeVariable(value
.name
, value
.mtype
, mtype
)
1346 # Generate a super call from a method definition
1347 fun supercall
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1349 # Adapt the arguments of a method according to targetted `MMethodDef`
1350 fun adapt_signature
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1352 # Unbox all the arguments of a method when implemented `extern` or `intern`
1353 fun unbox_signature_extern
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1355 # Box or unbox a value to another type iff a C type conversion is needed
1356 # ENSURE: `result.mtype.ctype == mtype.ctype`
1357 fun autobox
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1359 # Box extern classes to be used in the generated code
1360 fun box_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1362 # Unbox extern classes to be used in extern code (legacy NI and FFI)
1363 fun unbox_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1365 # Generate a polymorphic subtype test
1366 fun type_test
(value
: RuntimeVariable, mtype
: MType, tag
: String): RuntimeVariable is abstract
1368 # Generate the code required to dynamically check if 2 objects share the same runtime type
1369 fun is_same_type_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1371 # Generate a Nit "is" for two runtime_variables
1372 fun equal_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1376 # Generate a static call on a method definition
1377 fun call
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1379 # Generate a polymorphic send for the method `m` and the arguments `args`
1380 fun send
(m
: MMethod, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1382 # Generate a monomorphic send for the method `m`, the type `t` and the arguments `args`
1383 fun monomorphic_send
(m
: MMethod, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1385 assert t
isa MClassType
1386 var propdef
= m
.lookup_first_definition
(self.compiler
.mainmodule
, t
)
1387 return self.call
(propdef
, t
, args
)
1390 # Generate a monomorphic super send from the method `m`, the type `t` and the arguments `args`
1391 fun monomorphic_super_send
(m
: MMethodDef, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1393 assert t
isa MClassType
1394 m
= m
.lookup_next_definition
(self.compiler
.mainmodule
, t
)
1395 return self.call
(m
, t
, args
)
1398 # Attributes handling
1400 # Generate a polymorphic attribute is_set test
1401 fun isset_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1403 # Generate a polymorphic attribute read
1404 fun read_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1406 # Generate a polymorphic attribute write
1407 fun write_attribute
(a
: MAttribute, recv
: RuntimeVariable, value
: RuntimeVariable) is abstract
1411 # Can value be null? (according to current knowledge)
1412 fun maybenull
(value
: RuntimeVariable): Bool
1414 return value
.mcasttype
isa MNullableType or value
.mcasttype
isa MNullType
1417 # Add a check and an abort for a null receiver if needed
1418 fun check_recv_notnull
(recv
: RuntimeVariable)
1420 if self.compiler
.modelbuilder
.toolcontext
.opt_no_check_null
.value
then return
1422 if maybenull
(recv
) then
1423 self.add
("if (unlikely({recv} == NULL)) \{")
1424 self.add_abort
("Receiver is null")
1431 private var names
= new HashSet[String]
1432 private var last
: Int = 0
1434 # Return a new name based on `s` and unique in the visitor
1435 fun get_name
(s
: String): String
1437 if not self.names
.has
(s
) then
1441 var i
= self.last
+ 1
1444 if not self.names
.has
(s2
) then
1453 # Return an unique and stable identifier associated with an escapemark
1454 fun escapemark_name
(e
: nullable EscapeMark): String
1457 if frame
.escapemark_names
.has_key
(e
) then return frame
.escapemark_names
[e
]
1459 if name
== null then name
= "label"
1460 name
= get_name
(name
)
1461 frame
.escapemark_names
[e
] = name
1465 # Insert a C label for associated with an escapemark
1466 fun add_escape_label
(e
: nullable EscapeMark)
1468 if e
== null then return
1469 if e
.escapes
.is_empty
then return
1470 add
("BREAK_{escapemark_name(e)}: (void)0;")
1473 # Return a "const char*" variable associated to the classname of the dynamic type of an object
1474 # NOTE: we do not return a `RuntimeVariable` "NativeString" as the class may not exist in the module/program
1475 fun class_name_string
(value
: RuntimeVariable): String is abstract
1477 # Variables handling
1479 protected var variables
= new HashMap[Variable, RuntimeVariable]
1481 # Return the local runtime_variable associated to a Nit local variable
1482 fun variable
(variable
: Variable): RuntimeVariable
1484 if self.variables
.has_key
(variable
) then
1485 return self.variables
[variable
]
1487 var name
= self.get_name
("var_{variable.name}")
1488 var mtype
= variable
.declared_type
.as(not null)
1489 mtype
= self.anchor
(mtype
)
1490 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1491 self.add_decl
("{mtype.ctype} {name} /* var {variable}: {mtype} */;")
1492 self.variables
[variable
] = res
1497 # Return a new uninitialized local runtime_variable
1498 fun new_var
(mtype
: MType): RuntimeVariable
1500 mtype
= self.anchor
(mtype
)
1501 var name
= self.get_name
("var")
1502 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1503 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1507 # The difference with `new_var` is the C static type of the local variable
1508 fun new_var_extern
(mtype
: MType): RuntimeVariable
1510 mtype
= self.anchor
(mtype
)
1511 var name
= self.get_name
("var")
1512 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1513 self.add_decl
("{mtype.ctype_extern} {name} /* : {mtype} for extern */;")
1517 # Return a new uninitialized named runtime_variable
1518 fun new_named_var
(mtype
: MType, name
: String): RuntimeVariable
1520 mtype
= self.anchor
(mtype
)
1521 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1522 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1526 # Correctly assign a left and a right value
1527 # Boxing and unboxing is performed if required
1528 fun assign
(left
, right
: RuntimeVariable)
1530 right
= self.autobox
(right
, left
.mtype
)
1531 self.add
("{left} = {right};")
1534 # Generate instances
1536 # Generate a alloc-instance + init-attributes
1537 fun init_instance
(mtype
: MClassType): RuntimeVariable is abstract
1539 # Allocate and init attributes of an instance of a standard or extern class
1541 # Does not support universals and the pseudo-internal `NativeArray` class.
1542 fun init_instance_or_extern
(mtype
: MClassType): RuntimeVariable
1545 var ctype
= mtype
.ctype
1546 assert mtype
.mclass
.name
!= "NativeArray"
1547 if not mtype
.is_c_primitive
then
1548 recv
= init_instance
(mtype
)
1549 else if ctype
== "char*" then
1550 recv
= new_expr
("NULL/*special!*/", mtype
)
1552 recv
= new_expr
("({ctype})0/*special!*/", mtype
)
1557 # Set a GC finalizer on `recv`, only if `recv` isa Finalizable
1558 fun set_finalizer
(recv
: RuntimeVariable)
1560 var mtype
= recv
.mtype
1561 var finalizable_type
= compiler
.mainmodule
.finalizable_type
1562 if finalizable_type
!= null and not mtype
.need_anchor
and
1563 mtype
.is_subtype
(compiler
.mainmodule
, null, finalizable_type
) then
1564 add
"gc_register_finalizer({recv});"
1568 # The currently processed module
1570 # alias for `compiler.mainmodule`
1571 fun mmodule
: MModule do return compiler
.mainmodule
1573 # Generate an integer value
1574 fun int_instance
(value
: Int): RuntimeVariable
1576 var t
= mmodule
.int_type
1577 var res
= new RuntimeVariable("{value.to_s}l", t
, t
)
1581 # Generate a byte value
1582 fun byte_instance
(value
: Byte): RuntimeVariable
1584 var t
= mmodule
.byte_type
1585 var res
= new RuntimeVariable("((unsigned char){value.to_s})", t
, t
)
1589 # Generate an int8 value
1590 fun int8_instance
(value
: Int8): RuntimeVariable
1592 var t
= mmodule
.int8_type
1593 var res
= new RuntimeVariable("((int8_t){value.to_s})", t
, t
)
1597 # Generate an int16 value
1598 fun int16_instance
(value
: Int16): RuntimeVariable
1600 var t
= mmodule
.int16_type
1601 var res
= new RuntimeVariable("((int16_t){value.to_s})", t
, t
)
1605 # Generate a uint16 value
1606 fun uint16_instance
(value
: UInt16): RuntimeVariable
1608 var t
= mmodule
.uint16_type
1609 var res
= new RuntimeVariable("((uint16_t){value.to_s})", t
, t
)
1613 # Generate an int32 value
1614 fun int32_instance
(value
: Int32): RuntimeVariable
1616 var t
= mmodule
.int32_type
1617 var res
= new RuntimeVariable("((int32_t){value.to_s})", t
, t
)
1621 # Generate a uint32 value
1622 fun uint32_instance
(value
: UInt32): RuntimeVariable
1624 var t
= mmodule
.uint32_type
1625 var res
= new RuntimeVariable("((uint32_t){value.to_s})", t
, t
)
1629 # Generate a char value
1630 fun char_instance
(value
: Char): RuntimeVariable
1632 var t
= mmodule
.char_type
1634 if value
.code_point
< 128 then
1635 return new RuntimeVariable("'{value.to_s.escape_to_c}'", t
, t
)
1637 return new RuntimeVariable("{value.code_point}", t
, t
)
1641 # Generate a float value
1643 # FIXME pass a Float, not a string
1644 fun float_instance
(value
: String): RuntimeVariable
1646 var t
= mmodule
.float_type
1647 var res
= new RuntimeVariable("{value}", t
, t
)
1651 # Generate an integer value
1652 fun bool_instance
(value
: Bool): RuntimeVariable
1654 var s
= if value
then "1" else "0"
1655 var res
= new RuntimeVariable(s
, bool_type
, bool_type
)
1659 # Generate the `null` value
1660 fun null_instance
: RuntimeVariable
1662 var t
= compiler
.mainmodule
.model
.null_type
1663 var res
= new RuntimeVariable("((val*)NULL)", t
, t
)
1667 # Generates a NativeString instance fully escaped in C-style \xHH fashion
1668 fun native_string_instance
(ns
: NativeString, len
: Int): RuntimeVariable do
1669 var mtype
= mmodule
.native_string_type
1670 var nat
= new_var
(mtype
)
1671 var byte_esc
= new Buffer.with_cap
(len
* 4)
1672 for i
in [0 .. len
[ do
1673 byte_esc
.append
("\\x{ns[i].to_s.substring_from(2)}")
1675 self.add
("{nat} = \"{byte_esc}\
";")
1679 # Generate a string value
1680 fun string_instance
(string
: String): RuntimeVariable
1682 var mtype
= mmodule
.string_type
1683 var name
= self.get_name
("varonce")
1684 self.add_decl
("static {mtype.ctype} {name};")
1685 var res
= self.new_var
(mtype
)
1686 self.add
("if (likely({name}!=NULL)) \{")
1687 self.add
("{res} = {name};")
1688 self.add
("\} else \{")
1689 var native_mtype
= mmodule
.native_string_type
1690 var nat
= self.new_var
(native_mtype
)
1691 self.add
("{nat} = \"{string.escape_to_c}\
";")
1692 var byte_length
= self.int_instance
(string
.byte_length
)
1693 var unilen
= self.int_instance
(string
.length
)
1694 self.add
("{res} = {self.send(self.get_property("to_s_full", native_mtype), [nat, byte_length, unilen]).as(not null)};")
1695 self.add
("{name} = {res};")
1700 fun value_instance
(object
: Object): RuntimeVariable
1702 if object
isa Int then
1703 return int_instance
(object
)
1704 else if object
isa Bool then
1705 return bool_instance
(object
)
1706 else if object
isa String then
1707 return string_instance
(object
)
1713 # Generate an array value
1714 fun array_instance
(array
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1716 # Get an instance of a array for a vararg
1717 fun vararg_instance
(mpropdef
: MPropDef, recv
: RuntimeVariable, varargs
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1721 # Add a line in the main part of the generated C
1722 fun add
(s
: String) do self.writer
.lines
.add
(s
)
1725 # (used for local or global declaration)
1726 fun add_decl
(s
: String) do self.writer
.decl_lines
.add
(s
)
1728 # Request the presence of a global declaration
1729 fun require_declaration
(key
: String)
1731 var reqs
= self.writer
.file
.required_declarations
1732 if reqs
.has
(key
) then return
1734 var node
= current_node
1735 if node
!= null then compiler
.requirers_of_declarations
[key
] = node
1738 # Add a declaration in the local-header
1739 # The declaration is ensured to be present once
1740 fun declare_once
(s
: String)
1742 self.compiler
.provide_declaration
(s
, s
)
1743 self.require_declaration
(s
)
1746 # Look for a needed .h and .c file for a given module
1747 # This is used for the legacy FFI
1748 fun add_extern
(mmodule
: MModule)
1750 var file
= mmodule
.filepath
1751 file
= file
.strip_extension
(".nit")
1752 var tryfile
= file
+ ".nit.h"
1753 if tryfile
.file_exists
then
1754 self.declare_once
("#include \"{tryfile.basename}\
"")
1755 self.compiler
.files_to_copy
.add
(tryfile
)
1757 tryfile
= file
+ "_nit.h"
1758 if tryfile
.file_exists
then
1759 self.declare_once
("#include \"{tryfile.basename}\
"")
1760 self.compiler
.files_to_copy
.add
(tryfile
)
1763 if self.compiler
.seen_extern
.has
(file
) then return
1764 self.compiler
.seen_extern
.add
(file
)
1765 tryfile
= file
+ ".nit.c"
1766 if not tryfile
.file_exists
then
1767 tryfile
= file
+ "_nit.c"
1768 if not tryfile
.file_exists
then return
1770 var f
= new ExternCFile(tryfile
.basename
, "")
1771 self.compiler
.extern_bodies
.add
(f
)
1772 self.compiler
.files_to_copy
.add
(tryfile
)
1775 # Return a new local runtime_variable initialized with the C expression `cexpr`.
1776 fun new_expr
(cexpr
: String, mtype
: MType): RuntimeVariable
1778 var res
= new_var
(mtype
)
1779 self.add
("{res} = {cexpr};")
1783 # Generate generic abort
1784 # used by aborts, asserts, casts, etc.
1785 fun add_abort
(message
: String)
1787 self.add
("if(catchStack.cursor >= 0)\{")
1788 self.add
("longjmp(catchStack.envs[catchStack.cursor], 1);")
1790 self.add
("PRINT_ERROR(\"Runtime error
: %s\
", \"{message.escape_to_c}\
");")
1796 if self.current_node
!= null and self.current_node
.location
.file
!= null and
1797 self.current_node
.location
.file
.mmodule
!= null then
1798 var f
= "FILE_{self.current_node.location.file.mmodule.c_name}"
1799 self.require_declaration
(f
)
1800 self.add
("PRINT_ERROR(\" (%s
:%d
)\\n\
", {f}, {current_node.location.line_start});")
1802 self.add
("PRINT_ERROR(\"\\n\
");")
1804 self.add
("fatal_exit(1);")
1807 # Add a dynamic cast
1808 fun add_cast
(value
: RuntimeVariable, mtype
: MType, tag
: String)
1810 var res
= self.type_test
(value
, mtype
, tag
)
1811 self.add
("if (unlikely(!{res})) \{")
1812 var cn
= self.class_name_string
(value
)
1813 self.add
("PRINT_ERROR(\"Runtime error
: Cast failed
. Expected `%s`, got
`%s`\
", \"{mtype.to_s.escape_to_c}\
", {cn});")
1818 # Generate a return with the value `s`
1819 fun ret
(s
: RuntimeVariable)
1821 self.assign
(self.frame
.returnvar
.as(not null), s
)
1822 self.add
("goto {self.frame.returnlabel.as(not null)};")
1825 # Compile a statement (if any)
1826 fun stmt
(nexpr
: nullable AExpr)
1828 if nexpr
== null then return
1829 if nexpr
.is_broken
then
1830 # Untyped expression.
1831 # Might mean dead code or invalid code
1833 add_abort
("FATAL: bad statement executed.")
1837 var narray
= nexpr
.comprehension
1838 if narray
!= null then
1839 var recv
= frame
.comprehension
.as(not null)
1840 var val
= expr
(nexpr
, narray
.element_mtype
)
1841 compile_callsite
(narray
.push_callsite
.as(not null), [recv
, val
])
1845 var old
= self.current_node
1846 self.current_node
= nexpr
1848 self.current_node
= old
1851 # Compile an expression an return its result
1852 # `mtype` is the expected return type, pass null if no specific type is expected.
1853 fun expr
(nexpr
: AExpr, mtype
: nullable MType): RuntimeVariable
1855 var old
= self.current_node
1856 self.current_node
= nexpr
1859 if nexpr
.mtype
!= null then
1860 res
= nexpr
.expr
(self)
1864 # Untyped expression.
1865 # Might mean dead code or invalid code.
1867 add_abort
("FATAL: bad expression executed.")
1868 # and return a placebo result to please the C compiler
1869 if mtype
== null then mtype
= compiler
.mainmodule
.object_type
1870 res
= new_var
(mtype
)
1872 self.current_node
= old
1876 if mtype
!= null then
1877 mtype
= self.anchor
(mtype
)
1878 res
= self.autobox
(res
, mtype
)
1880 res
= autoadapt
(res
, nexpr
.mtype
.as(not null))
1881 var implicit_cast_to
= nexpr
.implicit_cast_to
1882 if implicit_cast_to
!= null and not self.compiler
.modelbuilder
.toolcontext
.opt_no_check_autocast
.value
then
1883 add_cast
(res
, implicit_cast_to
, "auto")
1884 res
= autoadapt
(res
, implicit_cast_to
)
1886 self.current_node
= old
1890 # Alias for `self.expr(nexpr, self.bool_type)`
1891 fun expr_bool
(nexpr
: AExpr): RuntimeVariable do return expr
(nexpr
, bool_type
)
1893 # Safely show a debug message on the current node and repeat the message in the C code as a comment
1894 fun debug
(message
: String)
1896 var node
= self.current_node
1897 if node
== null then
1898 print
"?: {message}"
1902 self.add
("/* DEBUG: {message} */")
1906 # A C function associated to a Nit method
1907 # Because of customization, a given Nit method can be compiler more that once
1908 abstract class AbstractRuntimeFunction
1910 type COMPILER: AbstractCompiler
1911 type VISITOR: AbstractCompilerVisitor
1913 # The associated Nit method
1914 var mmethoddef
: MMethodDef
1916 # The mangled c name of the runtime_function
1917 # Subclasses should redefine `build_c_name` instead
1920 var res
= self.c_name_cache
1921 if res
!= null then return res
1922 res
= self.build_c_name
1923 self.c_name_cache
= res
1927 # Non cached version of `c_name`
1928 protected fun build_c_name
: String is abstract
1930 protected var c_name_cache
: nullable String = null is writable
1932 # Implements a call of the runtime_function
1933 # May inline the body or generate a C function call
1934 fun call
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1936 # Generate the code for the `AbstractRuntimeFunction`
1937 # Warning: compile more than once compilation makes CC unhappy
1938 fun compile_to_c
(compiler
: COMPILER) is abstract
1941 # A runtime variable hold a runtime value in C.
1942 # Runtime variables are associated to Nit local variables and intermediate results in Nit expressions.
1944 # 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.
1945 class RuntimeVariable
1946 # The name of the variable in the C code
1949 # The static type of the variable (as declard in C)
1952 # The current casted type of the variable (as known in Nit)
1953 var mcasttype
: MType is writable
1955 # If the variable exaclty a mcasttype?
1956 # false (usual value) means that the variable is a mcasttype or a subtype.
1957 var is_exact
: Bool = false is writable
1961 assert not mtype
.need_anchor
1962 assert not mcasttype
.need_anchor
1965 redef fun to_s
do return name
1970 if self.is_exact
then
1971 exact_str
= " exact"
1976 if self.mtype
== self.mcasttype
then
1977 type_str
= "{mtype}{exact_str}"
1979 type_str
= "{mtype}({mcasttype}{exact_str})"
1981 return "<{name}:{type_str}>"
1985 # The static context of a visited property in a `AbstractCompilerVisitor`
1988 type VISITOR: AbstractCompilerVisitor
1990 # The associated visitor
1991 var visitor
: VISITOR
1993 # The executed property.
1994 # A Method in case of a call, an attribute in case of a default initialization.
1995 var mpropdef
: MPropDef
1997 # The static type of the receiver
1998 var receiver
: MClassType
2000 # Arguments of the method (the first is the receiver)
2001 var arguments
: Array[RuntimeVariable]
2003 # The runtime_variable associated to the return (in a function)
2004 var returnvar
: nullable RuntimeVariable = null is writable
2006 # The label at the end of the property
2007 var returnlabel
: nullable String = null is writable
2009 # Labels associated to a each escapemarks.
2010 # Because of inlinings, escape-marks must be associated to their context (the frame)
2011 private var escapemark_names
= new HashMap[EscapeMark, String]
2013 # The array comprehension currently filled, if any
2014 private var comprehension
: nullable RuntimeVariable = null
2018 # Return the C type associated to a given Nit static type
2019 fun ctype
: String do return "val*"
2021 # C type outside of the compiler code and in boxes
2022 fun ctype_extern
: String do return "val*"
2024 # Short name of the `ctype` to use in unions
2025 fun ctypename
: String do return "val"
2027 # Is the associated C type a primitive one?
2029 # ENSURE `result == (ctype != "val*")`
2030 fun is_c_primitive
: Bool do return false
2033 redef class MClassType
2035 redef var ctype
is lazy
do
2036 if mclass
.name
== "Int" then
2038 else if mclass
.name
== "Bool" then
2040 else if mclass
.name
== "Char" then
2042 else if mclass
.name
== "Float" then
2044 else if mclass
.name
== "Int8" then
2046 else if mclass
.name
== "Byte" then
2047 return "unsigned char"
2048 else if mclass
.name
== "Int16" then
2050 else if mclass
.name
== "UInt16" then
2052 else if mclass
.name
== "Int32" then
2054 else if mclass
.name
== "UInt32" then
2056 else if mclass
.name
== "NativeString" then
2058 else if mclass
.name
== "NativeArray" then
2065 redef var is_c_primitive
is lazy
do return ctype
!= "val*"
2067 redef fun ctype_extern
: String
2069 if mclass
.kind
== extern_kind
then
2076 redef fun ctypename
: String
2078 if mclass
.name
== "Int" then
2080 else if mclass
.name
== "Bool" then
2082 else if mclass
.name
== "Char" then
2084 else if mclass
.name
== "Float" then
2086 else if mclass
.name
== "Int8" then
2088 else if mclass
.name
== "Byte" then
2090 else if mclass
.name
== "Int16" then
2092 else if mclass
.name
== "UInt16" then
2094 else if mclass
.name
== "Int32" then
2096 else if mclass
.name
== "UInt32" then
2098 else if mclass
.name
== "NativeString" then
2100 else if mclass
.name
== "NativeArray" then
2101 #return "{self.arguments.first.ctype}*"
2109 redef class MPropDef
2110 type VISITOR: AbstractCompilerVisitor
2113 redef class MMethodDef
2114 # Can the body be inlined?
2115 fun can_inline
(v
: VISITOR): Bool
2117 if is_abstract
then return true
2118 if constant_value
!= null then return true
2119 var modelbuilder
= v
.compiler
.modelbuilder
2120 var node
= modelbuilder
.mpropdef2node
(self)
2121 if node
isa APropdef then
2122 return node
.can_inline
2123 else if node
isa AClassdef then
2124 # Automatic free init is always inlined since it is empty or contains only attribtes assigments
2126 else if node
== null then
2133 # Inline the body in another visitor
2134 fun compile_inside_to_c
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
2136 var modelbuilder
= v
.compiler
.modelbuilder
2137 var val
= constant_value
2138 var node
= modelbuilder
.mpropdef2node
(self)
2141 var cn
= v
.class_name_string
(arguments
.first
)
2142 v
.current_node
= node
2143 v
.add
("PRINT_ERROR(\"Runtime error
: Abstract method
`%s` called on
`%s`\
", \"{mproperty.name.escape_to_c}\
", {cn});")
2148 if node
isa APropdef then
2149 var oldnode
= v
.current_node
2150 v
.current_node
= node
2151 self.compile_parameter_check
(v
, arguments
)
2152 node
.compile_to_c
(v
, self, arguments
)
2153 v
.current_node
= oldnode
2154 else if node
isa AClassdef then
2155 var oldnode
= v
.current_node
2156 v
.current_node
= node
2157 self.compile_parameter_check
(v
, arguments
)
2158 node
.compile_to_c
(v
, self, arguments
)
2159 v
.current_node
= oldnode
2160 else if val
!= null then
2161 v
.ret
(v
.value_instance
(val
))
2168 # Generate type checks in the C code to check covariant parameters
2169 fun compile_parameter_check
(v
: VISITOR, arguments
: Array[RuntimeVariable])
2171 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_covariance
.value
then return
2173 var msignature
= self.msignature
.as(not null)
2175 for i
in [0..msignature
.arity
[ do
2176 var mp
= msignature
.mparameters
[i
]
2177 # skip test for vararg since the array is instantiated with the correct polymorphic type
2178 if mp
.is_vararg
then continue
2180 # skip if the cast is not required
2181 var origmtype
= self.mproperty
.intro
.msignature
.mparameters
[i
].mtype
2182 if not origmtype
.need_anchor
then continue
2184 # get the parameter type
2185 var mtype
= mp
.mtype
2188 # note that v decides if and how to implements the cast
2189 v
.add
("/* Covariant cast for argument {i} ({mp.name}) {arguments[i+1].inspect} isa {mtype} */")
2190 v
.add_cast
(arguments
[i
+1], mtype
, "covariance")
2197 redef class APropdef
2198 fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
2200 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name} {mpropdef} at
{location.to_s}\\n\
");")
2201 debug
("Not yet implemented")
2204 fun can_inline
: Bool do return true
2207 redef class AMethPropdef
2208 redef fun compile_to_c
(v
, mpropdef
, arguments
)
2210 # Call the implicit super-init
2211 var auto_super_inits
= self.auto_super_inits
2212 if auto_super_inits
!= null then
2213 var args
= [arguments
.first
]
2214 for auto_super_init
in auto_super_inits
do
2215 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2217 for i
in [0..auto_super_init
.msignature
.arity
+1[ do
2218 args
.add
(arguments
[i
])
2220 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2221 v
.compile_callsite
(auto_super_init
, args
)
2224 if auto_super_call
then
2225 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
2228 # Try special compilation
2229 if mpropdef
.is_intern
then
2230 if compile_intern_to_c
(v
, mpropdef
, arguments
) then return
2232 if mpropdef
.is_extern
then
2233 if mpropdef
.mproperty
.is_init
then
2234 if compile_externinit_to_c
(v
, mpropdef
, arguments
) then return
2236 if compile_externmeth_to_c
(v
, mpropdef
, arguments
) then return
2240 # Compile block if any
2241 var n_block
= n_block
2242 if n_block
!= null then
2243 for i
in [0..mpropdef
.msignature
.arity
[ do
2244 var variable
= self.n_signature
.n_params
[i
].variable
.as(not null)
2245 v
.assign
(v
.variable
(variable
), arguments
[i
+1])
2252 var cn
= v
.class_name_string
(arguments
.first
)
2253 v
.add
("PRINT_ERROR(\"Runtime error
: uncompiled method
`%s` called on
`%s`. NOT YET IMPLEMENTED\
", \"{mpropdef.mproperty.name.escape_to_c}\
", {cn});")
2257 redef fun can_inline
2259 if self.auto_super_inits
!= null then return false
2260 var nblock
= self.n_block
2261 if nblock
== null then return true
2262 if (mpropdef
.mproperty
.name
== "==" or mpropdef
.mproperty
.name
== "!=") and mpropdef
.mclassdef
.mclass
.name
== "Object" then return true
2263 if nblock
isa ABlockExpr and nblock
.n_expr
.length
== 0 then return true
2267 fun compile_intern_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
2269 var pname
= mpropdef
.mproperty
.name
2270 var cname
= mpropdef
.mclassdef
.mclass
.name
2271 var ret
= mpropdef
.msignature
.return_mtype
2273 ret
= v
.resolve_for
(ret
, arguments
.first
)
2275 if pname
!= "==" and pname
!= "!=" then
2276 v
.adapt_signature
(mpropdef
, arguments
)
2277 v
.unbox_signature_extern
(mpropdef
, arguments
)
2279 if cname
== "Int" then
2280 if pname
== "output" then
2281 v
.add
("printf(\"%ld\\n\
", {arguments.first});")
2283 else if pname
== "object_id" then
2284 v
.ret
(arguments
.first
)
2286 else if pname
== "+" then
2287 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2289 else if pname
== "-" then
2290 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2292 else if pname
== "unary -" then
2293 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2295 else if pname
== "unary +" then
2298 else if pname
== "*" then
2299 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2301 else if pname
== "/" then
2302 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2304 else if pname
== "%" then
2305 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2307 else if pname
== "==" then
2308 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2310 else if pname
== "!=" then
2311 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2312 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2314 else if pname
== "<" then
2315 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2317 else if pname
== ">" then
2318 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2320 else if pname
== "<=" then
2321 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2323 else if pname
== ">=" then
2324 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2326 else if pname
== "to_i8" then
2327 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2329 else if pname
== "to_i16" then
2330 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2332 else if pname
== "to_u16" then
2333 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2335 else if pname
== "to_i32" then
2336 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2338 else if pname
== "to_u32" then
2339 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2341 else if pname
== "to_f" then
2342 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2344 else if pname
== "to_b" then
2345 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2347 else if pname
== "code_point" then
2348 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2350 else if pname
== "&" then
2351 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2353 else if pname
== "|" then
2354 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2356 else if pname
== ">>" then
2357 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2359 else if pname
== "<<" then
2360 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2363 else if cname
== "Char" then
2364 if pname
== "object_id" then
2365 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2367 else if pname
== "successor" then
2368 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2370 else if pname
== "predecessor" then
2371 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2373 else if pname
== "==" then
2374 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2376 else if pname
== "!=" then
2377 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2378 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2380 else if pname
== "<" then
2381 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2383 else if pname
== ">" then
2384 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2386 else if pname
== "<=" then
2387 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2389 else if pname
== ">=" then
2390 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2392 else if pname
== "to_i" then
2393 v
.ret
(v
.new_expr
("{arguments[0]}-'0'", ret
.as(not null)))
2395 else if pname
== "code_point" then
2396 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2399 else if cname
== "Byte" then
2400 if pname
== "output" then
2401 v
.add
("printf(\"%x\\n\
", {arguments.first});")
2403 else if pname
== "object_id" then
2404 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2406 else if pname
== "+" then
2407 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2409 else if pname
== "-" then
2410 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2412 else if pname
== "unary -" then
2413 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2415 else if pname
== "unary +" then
2418 else if pname
== "*" then
2419 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2421 else if pname
== "/" then
2422 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2424 else if pname
== "%" then
2425 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2427 else if pname
== "==" then
2428 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2430 else if pname
== "!=" then
2431 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2432 v
.ret
(v
.new_expr
("!{res}", 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
== ">" then
2438 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2440 else if pname
== "<=" then
2441 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2443 else if pname
== ">=" then
2444 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2446 else if pname
== ">>" then
2447 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2449 else if pname
== "<<" then
2450 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2452 else if pname
== "&" then
2453 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2455 else if pname
== "to_i" then
2456 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2458 else if pname
== "to_f" then
2459 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2461 else if pname
== "to_i8" then
2462 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2464 else if pname
== "to_i16" then
2465 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2467 else if pname
== "to_u16" then
2468 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2470 else if pname
== "to_i32" then
2471 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2473 else if pname
== "to_u32" then
2474 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2476 else if pname
== "ascii" then
2477 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2480 else if cname
== "Bool" then
2481 if pname
== "output" then
2482 v
.add
("printf({arguments.first}?\"true\\n\
":\"false\\n\
");")
2484 else if pname
== "object_id" then
2485 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2487 else if pname
== "==" then
2488 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2490 else if pname
== "!=" then
2491 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2492 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2495 else if cname
== "Float" then
2496 if pname
== "output" then
2497 v
.add
("printf(\"%f\\n\
", {arguments.first});")
2499 else if pname
== "object_id" then
2500 v
.ret
(v
.new_expr
("(double){arguments.first}", ret
.as(not null)))
2502 else if pname
== "+" then
2503 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2505 else if pname
== "-" then
2506 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2508 else if pname
== "unary -" then
2509 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2511 else if pname
== "unary +" then
2514 else if pname
== "succ" then
2515 v
.ret
(v
.new_expr
("{arguments[0]}+1", ret
.as(not null)))
2517 else if pname
== "prec" then
2518 v
.ret
(v
.new_expr
("{arguments[0]}-1", ret
.as(not null)))
2520 else if pname
== "*" then
2521 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2523 else if pname
== "/" then
2524 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2526 else if pname
== "==" then
2527 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2529 else if pname
== "!=" then
2530 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2531 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2533 else if pname
== "<" then
2534 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2536 else if pname
== ">" then
2537 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2539 else if pname
== "<=" then
2540 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2542 else if pname
== ">=" then
2543 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2545 else if pname
== "to_i" then
2546 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2548 else if pname
== "to_b" then
2549 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2551 else if pname
== "to_i8" then
2552 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2554 else if pname
== "to_i16" then
2555 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2557 else if pname
== "to_u16" then
2558 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2560 else if pname
== "to_i32" then
2561 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2563 else if pname
== "to_u32" then
2564 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2567 else if cname
== "NativeString" then
2568 if pname
== "[]" then
2569 v
.ret
(v
.new_expr
("(unsigned char)((int){arguments[0]}[{arguments[1]}])", ret
.as(not null)))
2571 else if pname
== "[]=" then
2572 v
.add
("{arguments[0]}[{arguments[1]}]=(unsigned char){arguments[2]};")
2574 else if pname
== "copy_to" then
2575 v
.add
("memmove({arguments[1]}+{arguments[4]},{arguments[0]}+{arguments[3]},{arguments[2]});")
2577 else if pname
== "atoi" then
2578 v
.ret
(v
.new_expr
("atoi({arguments[0]});", ret
.as(not null)))
2580 else if pname
== "fast_cstring" then
2581 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2583 else if pname
== "==" then
2584 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2586 else if pname
== "!=" then
2587 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2588 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2590 else if pname
== "new" then
2591 var alloc
= v
.nit_alloc
(arguments
[1].to_s
, "NativeString")
2592 v
.ret
(v
.new_expr
("(char*){alloc}", ret
.as(not null)))
2594 else if pname
== "fetch_4_chars" then
2595 v
.ret
(v
.new_expr
("(long)*((uint32_t*)({arguments[0]} + {arguments[1]}))", ret
.as(not null)))
2597 else if pname
== "fetch_4_hchars" then
2598 v
.ret
(v
.new_expr
("(long)be32toh(*((uint32_t*)({arguments[0]} + {arguments[1]})))", ret
.as(not null)))
2601 else if cname
== "NativeArray" then
2602 return v
.native_array_def
(pname
, ret
, arguments
)
2603 else if cname
== "Int8" then
2604 if pname
== "output" then
2605 v
.add
("printf(\"%\
"PRIi8 \"\\n\
", {arguments.first});")
2607 else if pname
== "object_id" then
2608 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2610 else if pname
== "+" then
2611 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2613 else if pname
== "-" then
2614 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2616 else if pname
== "unary -" then
2617 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2619 else if pname
== "unary +" then
2622 else if pname
== "*" then
2623 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2625 else if pname
== "/" then
2626 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2628 else if pname
== "%" then
2629 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2631 else if pname
== "<<" then
2632 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2634 else if pname
== ">>" then
2635 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2637 else if pname
== "==" then
2638 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2640 else if pname
== "!=" then
2641 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2642 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2644 else if pname
== "<" then
2645 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2647 else if pname
== ">" then
2648 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2650 else if pname
== "<=" then
2651 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2653 else if pname
== ">=" then
2654 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2656 else if pname
== "to_i" then
2657 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2659 else if pname
== "to_b" then
2660 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2662 else if pname
== "to_i16" then
2663 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2665 else if pname
== "to_u16" then
2666 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2668 else if pname
== "to_i32" then
2669 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2671 else if pname
== "to_u32" then
2672 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2674 else if pname
== "to_f" then
2675 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2677 else if pname
== "&" then
2678 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2680 else if pname
== "|" then
2681 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2683 else if pname
== "^" then
2684 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2686 else if pname
== "unary ~" then
2687 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2690 else if cname
== "Int16" then
2691 if pname
== "output" then
2692 v
.add
("printf(\"%\
"PRIi16 \"\\n\
", {arguments.first});")
2694 else if pname
== "object_id" then
2695 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2697 else if pname
== "+" then
2698 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2700 else if pname
== "-" then
2701 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2703 else if pname
== "unary -" then
2704 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2706 else if pname
== "unary +" then
2709 else if pname
== "*" then
2710 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2712 else if pname
== "/" then
2713 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2715 else if pname
== "%" then
2716 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2718 else if pname
== "<<" then
2719 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2721 else if pname
== ">>" then
2722 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2724 else if pname
== "==" then
2725 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2727 else if pname
== "!=" then
2728 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2729 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2731 else if pname
== "<" then
2732 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2734 else if pname
== ">" then
2735 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2737 else if pname
== "<=" then
2738 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2740 else if pname
== ">=" then
2741 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2743 else if pname
== "to_i" then
2744 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2746 else if pname
== "to_b" then
2747 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2749 else if pname
== "to_i8" then
2750 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2752 else if pname
== "to_u16" then
2753 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2755 else if pname
== "to_i32" then
2756 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2758 else if pname
== "to_u32" then
2759 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2761 else if pname
== "to_f" then
2762 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2764 else if pname
== "&" then
2765 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2767 else if pname
== "|" then
2768 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2770 else if pname
== "^" then
2771 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2773 else if pname
== "unary ~" then
2774 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2777 else if cname
== "UInt16" then
2778 if pname
== "output" then
2779 v
.add
("printf(\"%\
"PRIu16 \"\\n\
", {arguments.first});")
2781 else if pname
== "object_id" then
2782 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2784 else if pname
== "+" then
2785 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2787 else if pname
== "-" then
2788 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2790 else if pname
== "unary -" then
2791 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2793 else if pname
== "unary +" then
2796 else if pname
== "*" then
2797 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2799 else if pname
== "/" then
2800 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2802 else if pname
== "%" then
2803 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2805 else if pname
== "<<" then
2806 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2808 else if pname
== ">>" then
2809 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2811 else if pname
== "==" then
2812 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2814 else if pname
== "!=" then
2815 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2816 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2818 else if pname
== "<" then
2819 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2821 else if pname
== ">" then
2822 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2824 else if pname
== "<=" then
2825 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2827 else if pname
== ">=" then
2828 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2830 else if pname
== "to_i" then
2831 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2833 else if pname
== "to_b" then
2834 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2836 else if pname
== "to_i8" then
2837 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2839 else if pname
== "to_i16" then
2840 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2842 else if pname
== "to_i32" then
2843 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2845 else if pname
== "to_u32" then
2846 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2848 else if pname
== "to_f" then
2849 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2851 else if pname
== "&" then
2852 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2854 else if pname
== "|" then
2855 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2857 else if pname
== "^" then
2858 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2860 else if pname
== "unary ~" then
2861 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2864 else if cname
== "Int32" then
2865 if pname
== "output" then
2866 v
.add
("printf(\"%\
"PRIi32 \"\\n\
", {arguments.first});")
2868 else if pname
== "object_id" then
2869 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2871 else if pname
== "+" then
2872 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2874 else if pname
== "-" then
2875 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2877 else if pname
== "unary -" then
2878 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2880 else if pname
== "unary +" then
2883 else if pname
== "*" then
2884 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2886 else if pname
== "/" then
2887 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2889 else if pname
== "%" then
2890 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2892 else if pname
== "<<" then
2893 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2895 else if pname
== ">>" then
2896 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2898 else if pname
== "==" then
2899 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2901 else if pname
== "!=" then
2902 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2903 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2905 else if pname
== "<" then
2906 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2908 else if pname
== ">" then
2909 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2911 else if pname
== "<=" then
2912 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2914 else if pname
== ">=" then
2915 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2917 else if pname
== "to_i" then
2918 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2920 else if pname
== "to_b" then
2921 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2923 else if pname
== "to_i8" then
2924 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2926 else if pname
== "to_i16" then
2927 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2929 else if pname
== "to_u16" then
2930 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2932 else if pname
== "to_u32" then
2933 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2935 else if pname
== "to_f" then
2936 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2938 else if pname
== "&" then
2939 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2941 else if pname
== "|" then
2942 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2944 else if pname
== "^" then
2945 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2947 else if pname
== "unary ~" then
2948 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2951 else if cname
== "UInt32" then
2952 if pname
== "output" then
2953 v
.add
("printf(\"%\
"PRIu32 \"\\n\
", {arguments.first});")
2955 else if pname
== "object_id" then
2956 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2958 else if pname
== "+" then
2959 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2961 else if pname
== "-" then
2962 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2964 else if pname
== "unary -" then
2965 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2967 else if pname
== "unary +" then
2970 else if pname
== "*" then
2971 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2973 else if pname
== "/" then
2974 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2976 else if pname
== "%" then
2977 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2979 else if pname
== "<<" then
2980 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2982 else if pname
== ">>" then
2983 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2985 else if pname
== "==" then
2986 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2988 else if pname
== "!=" then
2989 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2990 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2992 else if pname
== "<" then
2993 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2995 else if pname
== ">" then
2996 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2998 else if pname
== "<=" then
2999 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
3001 else if pname
== ">=" then
3002 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
3004 else if pname
== "to_i" then
3005 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
3007 else if pname
== "to_b" then
3008 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
3010 else if pname
== "to_i8" then
3011 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
3013 else if pname
== "to_i16" then
3014 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
3016 else if pname
== "to_u16" then
3017 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
3019 else if pname
== "to_i32" then
3020 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
3022 else if pname
== "to_f" then
3023 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
3025 else if pname
== "&" then
3026 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
3028 else if pname
== "|" then
3029 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3031 else if pname
== "^" then
3032 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3034 else if pname
== "unary ~" then
3035 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3039 if pname
== "exit" then
3040 v
.add
("exit({arguments[1]});")
3042 else if pname
== "sys" then
3043 v
.ret
(v
.new_expr
("glob_sys", ret
.as(not null)))
3045 else if pname
== "object_id" then
3046 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3048 else if pname
== "is_same_type" then
3049 v
.ret
(v
.is_same_type_test
(arguments
[0], arguments
[1]))
3051 else if pname
== "is_same_instance" then
3052 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3054 else if pname
== "output_class_name" then
3055 var nat
= v
.class_name_string
(arguments
.first
)
3056 v
.add
("printf(\"%s\\n\
", {nat});")
3058 else if pname
== "native_class_name" then
3059 var nat
= v
.class_name_string
(arguments
.first
)
3060 v
.ret
(v
.new_expr
("(char*){nat}", ret
.as(not null)))
3062 else if pname
== "force_garbage_collection" then
3063 v
.add
("nit_gcollect();")
3065 else if pname
== "native_argc" then
3066 v
.ret
(v
.new_expr
("glob_argc", ret
.as(not null)))
3068 else if pname
== "native_argv" then
3069 v
.ret
(v
.new_expr
("glob_argv[{arguments[1]}]", ret
.as(not null)))
3075 # Compile an extern method
3076 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3077 fun compile_externmeth_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3080 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3081 if at
!= null and at
.n_args
.length
== 1 then
3082 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3083 if externname
== null then return false
3087 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3088 var res
: nullable RuntimeVariable = null
3089 var ret
= mpropdef
.msignature
.return_mtype
3091 ret
= v
.resolve_for
(ret
, arguments
.first
)
3092 res
= v
.new_var_extern
(ret
)
3094 v
.adapt_signature
(mpropdef
, arguments
)
3095 v
.unbox_signature_extern
(mpropdef
, arguments
)
3098 v
.add
("{externname}({arguments.join(", ")});")
3100 v
.add
("{res} = {externname}({arguments.join(", ")});")
3101 res
= v
.box_extern
(res
, ret
.as(not null))
3107 # Compile an extern factory
3108 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3109 fun compile_externinit_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3112 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3114 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3115 if externname
== null then return false
3119 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3120 v
.adapt_signature
(mpropdef
, arguments
)
3121 v
.unbox_signature_extern
(mpropdef
, arguments
)
3122 var ret
= arguments
.first
.mtype
3123 var res
= v
.new_var_extern
(ret
)
3127 v
.add
("{res} = {externname}({arguments.join(", ")});")
3128 res
= v
.box_extern
(res
, ret
)
3134 redef class AAttrPropdef
3135 redef fun can_inline
: Bool do return not is_lazy
3137 redef fun compile_to_c
(v
, mpropdef
, arguments
)
3139 if mpropdef
== mreadpropdef
then
3140 assert arguments
.length
== 1
3141 var recv
= arguments
.first
3145 var ret
= self.mtype
3146 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3147 var guard
= self.mlazypropdef
.mproperty
3149 set
= v
.isset_attribute
(self.mpropdef
.mproperty
, recv
)
3151 set
= v
.read_attribute
(guard
, recv
)
3153 v
.add
("if(likely({set})) \{")
3154 res
= v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3157 var value
= evaluate_expr
(v
, recv
)
3159 v
.assign
(res
, value
)
3161 var true_v
= v
.bool_instance
(true)
3162 v
.write_attribute
(guard
, arguments
.first
, true_v
)
3166 res
= v
.read_attribute
(self.mpropdef
.mproperty
, arguments
.first
)
3168 v
.assign
(v
.frame
.returnvar
.as(not null), res
)
3169 else if mpropdef
== mwritepropdef
then
3170 assert arguments
.length
== 2
3171 var recv
= arguments
.first
3172 var arg
= arguments
[1]
3173 if is_optional
and v
.maybenull
(arg
) then
3174 var value
= v
.new_var
(self.mpropdef
.static_mtype
.as(not null))
3175 v
.add
("if ({arg} == NULL) \{")
3176 v
.assign
(value
, evaluate_expr
(v
, recv
))
3178 v
.assign
(value
, arg
)
3182 v
.write_attribute
(self.mpropdef
.mproperty
, arguments
.first
, arg
)
3184 var ret
= self.mtype
3185 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3187 v
.write_attribute
(self.mlazypropdef
.mproperty
, arguments
.first
, v
.bool_instance
(true))
3195 fun init_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3197 if has_value
and not is_lazy
and not is_optional
and not n_expr
isa ANullExpr then evaluate_expr
(v
, recv
)
3200 # Evaluate, store and return the default value of the attribute
3201 private fun evaluate_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable): RuntimeVariable
3203 var oldnode
= v
.current_node
3204 v
.current_node
= self
3205 var old_frame
= v
.frame
3206 var frame
= new StaticFrame(v
, self.mreadpropdef
.as(not null), recv
.mcasttype
.undecorate
.as(MClassType), [recv
])
3210 var mtype
= self.mtype
3211 assert mtype
!= null
3213 var nexpr
= self.n_expr
3214 var nblock
= self.n_block
3215 if nexpr
!= null then
3216 value
= v
.expr
(nexpr
, mtype
)
3217 else if nblock
!= null then
3218 value
= v
.new_var
(mtype
)
3219 frame
.returnvar
= value
3220 frame
.returnlabel
= v
.get_name
("RET_LABEL")
3223 v
.add
("{frame.returnlabel.as(not null)}:(void)0;")
3229 v
.write_attribute
(self.mpropdef
.mproperty
, recv
, value
)
3232 v
.current_node
= oldnode
3237 fun check_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3239 var nexpr
= self.n_expr
3240 if nexpr
!= null then return
3242 var oldnode
= v
.current_node
3243 v
.current_node
= self
3244 var old_frame
= v
.frame
3245 var frame
= new StaticFrame(v
, self.mpropdef
.as(not null), recv
.mtype
.as(MClassType), [recv
])
3247 # Force read to check the initialization
3248 v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3250 v
.current_node
= oldnode
3254 redef class AClassdef
3255 private fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
3257 if mpropdef
.mproperty
.is_root_init
then
3258 assert arguments
.length
== 1
3259 if not mpropdef
.is_intro
then
3260 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
3270 # Try to compile self as an expression
3271 # Do not call this method directly, use `v.expr` instead
3272 private fun expr
(v
: AbstractCompilerVisitor): nullable RuntimeVariable
3274 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name}:{location.to_s}\\n\
");")
3275 var mtype
= self.mtype
3276 if mtype
== null then
3279 var res
= v
.new_var
(mtype
)
3280 v
.add
("/* {res} = NOT YET {class_name} */")
3285 # Try to compile self as a statement
3286 # Do not call this method directly, use `v.stmt` instead
3287 private fun stmt
(v
: AbstractCompilerVisitor)
3293 redef class ABlockExpr
3296 for e
in self.n_expr
do v
.stmt
(e
)
3300 var last
= self.n_expr
.last
3301 for e
in self.n_expr
do
3302 if e
== last
then break
3305 return v
.expr
(last
, null)
3309 redef class AVardeclExpr
3312 var variable
= self.variable
.as(not null)
3313 var ne
= self.n_expr
3315 var i
= v
.expr
(ne
, variable
.declared_type
)
3316 v
.assign
(v
.variable
(variable
), i
)
3321 redef class AVarExpr
3324 var res
= v
.variable
(self.variable
.as(not null))
3325 var mtype
= self.mtype
.as(not null)
3326 return v
.autoadapt
(res
, mtype
)
3330 redef class AVarAssignExpr
3333 var variable
= self.variable
.as(not null)
3334 var i
= v
.expr
(self.n_value
, variable
.declared_type
)
3335 v
.assign
(v
.variable
(variable
), i
)
3340 redef class AVarReassignExpr
3343 var variable
= self.variable
.as(not null)
3344 var vari
= v
.variable
(variable
)
3345 var value
= v
.expr
(self.n_value
, variable
.declared_type
)
3346 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [vari
, value
])
3348 v
.assign
(v
.variable
(variable
), res
)
3352 redef class ASelfExpr
3353 redef fun expr
(v
) do return v
.frame
.arguments
.first
3356 redef class AImplicitSelfExpr
3357 redef fun expr
(v
) do
3358 if not is_sys
then return super
3359 return v
.new_expr
("glob_sys", mtype
.as(not null))
3363 redef class AEscapeExpr
3364 redef fun stmt
(v
) do v
.add
("goto BREAK_{v.escapemark_name(self.escapemark)};")
3367 redef class AReturnExpr
3370 var nexpr
= self.n_expr
3371 if nexpr
!= null then
3372 var returnvar
= v
.frame
.returnvar
.as(not null)
3373 var i
= v
.expr
(nexpr
, returnvar
.mtype
)
3374 v
.assign
(returnvar
, i
)
3376 v
.add
("goto {v.frame.returnlabel.as(not null)};")
3380 redef class AAbortExpr
3381 redef fun stmt
(v
) do v
.add_abort
("Aborted")
3387 var cond
= v
.expr_bool
(self.n_expr
)
3388 v
.add
("if ({cond})\{")
3397 var res
= v
.new_var
(self.mtype
.as(not null))
3398 var cond
= v
.expr_bool
(self.n_expr
)
3399 v
.add
("if ({cond})\{")
3400 v
.assign
(res
, v
.expr
(self.n_then
.as(not null), null))
3402 v
.assign
(res
, v
.expr
(self.n_else
.as(not null), null))
3408 redef class AIfexprExpr
3411 var res
= v
.new_var
(self.mtype
.as(not null))
3412 var cond
= v
.expr_bool
(self.n_expr
)
3413 v
.add
("if ({cond})\{")
3414 v
.assign
(res
, v
.expr
(self.n_then
, null))
3416 v
.assign
(res
, v
.expr
(self.n_else
, null))
3425 if self.n_catch
!= null then
3426 v
.add
("catchStack.cursor += 1;")
3427 v
.add
("if(!setjmp(catchStack.envs[catchStack.cursor]))\{")
3428 v
.stmt
(self.n_block
)
3429 v
.add
("catchStack.cursor -= 1;")
3431 v
.add
("catchStack.cursor -= 1;")
3432 v
.stmt
(self.n_catch
)
3435 v
.stmt
(self.n_block
)
3437 v
.add_escape_label
(break_mark
)
3441 redef class AWhileExpr
3445 var cond
= v
.expr_bool
(self.n_expr
)
3446 v
.add
("if (!{cond}) break;")
3447 v
.stmt
(self.n_block
)
3448 v
.add_escape_label
(continue_mark
)
3450 v
.add_escape_label
(break_mark
)
3454 redef class ALoopExpr
3458 v
.stmt
(self.n_block
)
3459 v
.add_escape_label
(continue_mark
)
3461 v
.add_escape_label
(break_mark
)
3465 redef class AForExpr
3468 for g
in n_groups
do
3469 var cl
= v
.expr
(g
.n_expr
, null)
3470 var it_meth
= g
.method_iterator
3471 assert it_meth
!= null
3472 var it
= v
.compile_callsite
(it_meth
, [cl
])
3477 for g
in n_groups
do
3479 var isok_meth
= g
.method_is_ok
3480 assert isok_meth
!= null
3481 var ok
= v
.compile_callsite
(isok_meth
, [it
])
3483 v
.add
("if(!{ok}) break;")
3484 if g
.variables
.length
== 1 then
3485 var item_meth
= g
.method_item
3486 assert item_meth
!= null
3487 var i
= v
.compile_callsite
(item_meth
, [it
])
3489 v
.assign
(v
.variable
(g
.variables
.first
), i
)
3490 else if g
.variables
.length
== 2 then
3491 var key_meth
= g
.method_key
3492 assert key_meth
!= null
3493 var i
= v
.compile_callsite
(key_meth
, [it
])
3495 v
.assign
(v
.variable
(g
.variables
[0]), i
)
3496 var item_meth
= g
.method_item
3497 assert item_meth
!= null
3498 i
= v
.compile_callsite
(item_meth
, [it
])
3500 v
.assign
(v
.variable
(g
.variables
[1]), i
)
3505 v
.stmt
(self.n_block
)
3506 v
.add_escape_label
(continue_mark
)
3507 for g
in n_groups
do
3508 var next_meth
= g
.method_next
3509 assert next_meth
!= null
3510 v
.compile_callsite
(next_meth
, [g
.it
])
3513 v
.add_escape_label
(break_mark
)
3515 for g
in n_groups
do
3516 var method_finish
= g
.method_finish
3517 if method_finish
!= null then
3518 # TODO: Find a way to call this also in long escape (e.g. return)
3519 v
.compile_callsite
(method_finish
, [g
.it
])
3525 redef class AForGroup
3526 # C variable representing the iterator
3527 private var it
: RuntimeVariable is noinit
3530 redef class AAssertExpr
3533 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return
3535 var cond
= v
.expr_bool
(self.n_expr
)
3536 v
.add
("if (unlikely(!{cond})) \{")
3540 v
.add_abort
("Assert '{nid.text}' failed")
3542 v
.add_abort
("Assert failed")
3551 var res
= v
.new_var
(self.mtype
.as(not null))
3552 var i1
= v
.expr_bool
(self.n_expr
)
3553 v
.add
("if ({i1}) \{")
3556 var i2
= v
.expr_bool
(self.n_expr2
)
3557 v
.add
("{res} = {i2};")
3563 redef class AImpliesExpr
3566 var res
= v
.new_var
(self.mtype
.as(not null))
3567 var i1
= v
.expr_bool
(self.n_expr
)
3568 v
.add
("if (!{i1}) \{")
3571 var i2
= v
.expr_bool
(self.n_expr2
)
3572 v
.add
("{res} = {i2};")
3578 redef class AAndExpr
3581 var res
= v
.new_var
(self.mtype
.as(not null))
3582 var i1
= v
.expr_bool
(self.n_expr
)
3583 v
.add
("if (!{i1}) \{")
3586 var i2
= v
.expr_bool
(self.n_expr2
)
3587 v
.add
("{res} = {i2};")
3593 redef class ANotExpr
3596 var cond
= v
.expr_bool
(self.n_expr
)
3597 return v
.new_expr
("!{cond}", self.mtype
.as(not null))
3601 redef class AOrElseExpr
3604 var res
= v
.new_var
(self.mtype
.as(not null))
3605 var i1
= v
.expr
(self.n_expr
, null)
3607 if not v
.maybenull
(i1
) then return i1
3609 v
.add
("if ({i1}!=NULL) \{")
3612 var i2
= v
.expr
(self.n_expr2
, null)
3619 redef class AIntegerExpr
3620 redef fun expr
(v
) do
3621 if value
isa Int then return v
.int_instance
(value
.as(Int))
3622 if value
isa Byte then return v
.byte_instance
(value
.as(Byte))
3623 if value
isa Int8 then return v
.int8_instance
(value
.as(Int8))
3624 if value
isa Int16 then return v
.int16_instance
(value
.as(Int16))
3625 if value
isa UInt16 then return v
.uint16_instance
(value
.as(UInt16))
3626 if value
isa Int32 then return v
.int32_instance
(value
.as(Int32))
3627 if value
isa UInt32 then return v
.uint32_instance
(value
.as(UInt32))
3628 # Should never happen
3633 redef class AFloatExpr
3634 redef fun expr
(v
) do return v
.float_instance
("{self.n_float.text}") # FIXME use value, not n_float
3637 redef class ACharExpr
3638 redef fun expr
(v
) do
3639 if is_ascii
then return v
.byte_instance
(value
.as(not null).ascii
)
3640 if is_code_point
then return v
.int_instance
(value
.as(not null).code_point
)
3641 return v
.char_instance
(self.value
.as(not null))
3645 redef class AArrayExpr
3648 var mtype
= self.element_mtype
.as(not null)
3649 var array
= new Array[RuntimeVariable]
3650 var res
= v
.array_instance
(array
, mtype
)
3652 var old_comprehension
= v
.frame
.comprehension
3653 v
.frame
.comprehension
= res
3654 for nexpr
in self.n_exprs
do
3657 v
.frame
.comprehension
= old_comprehension
3663 redef class AugmentedStringFormExpr
3664 # Factorize the making of a `Regex` object from a literal prefixed string
3665 protected fun make_re
(v
: AbstractCompilerVisitor, rs
: RuntimeVariable): nullable RuntimeVariable do
3668 var res
= v
.compile_callsite
(re
, [rs
])
3670 print
"Cannot call property `to_re` on {self}"
3673 for i
in suffix
.chars
do
3675 var ign
= ignore_case
3677 v
.compile_callsite
(ign
, [res
, v
.bool_instance
(true)])
3683 v
.compile_callsite
(nl
, [res
, v
.bool_instance
(true)])
3689 v
.compile_callsite
(ext
, [res
, v
.bool_instance
(false)])
3692 # Should not happen, this needs to be updated
3693 # along with the addition of new suffixes
3700 redef class AStringFormExpr
3701 redef fun expr
(v
) do return v
.string_instance
(value
)
3704 redef class AStringExpr
3705 redef fun expr
(v
) do
3706 var s
= v
.string_instance
(value
)
3707 if is_string
then return s
3708 if is_bytestring
then
3709 var ns
= v
.native_string_instance
(bytes
.items
, bytes
.length
)
3710 var ln
= v
.int_instance
(bytes
.length
)
3711 var cs
= to_bytes_with_copy
3713 var res
= v
.compile_callsite
(cs
, [ns
, ln
])
3717 var res
= make_re
(v
, s
)
3721 print
"Unimplemented prefix or suffix for {self}"
3728 redef class ASuperstringExpr
3731 var type_string
= v
.mmodule
.string_type
3733 # Collect elements of the superstring
3734 var array
= new Array[AExpr]
3735 for ne
in self.n_exprs
do
3736 # Drop literal empty string.
3737 # They appears in things like "{a}" that is ["", a, ""]
3738 if ne
isa AStringFormExpr and ne
.value
== "" then continue # skip empty sub-strings
3742 # Store the allocated native array in a static variable
3744 var varonce
= v
.get_name
("varonce")
3745 v
.add
("if (unlikely({varonce}==NULL)) \{")
3747 # The native array that will contains the elements to_s-ized.
3748 # For fast concatenation.
3749 var a
= v
.native_array_instance
(type_string
, v
.int_instance
(array
.length
))
3751 v
.add_decl
("static {a.mtype.ctype} {varonce};")
3753 # Pre-fill the array with the literal string parts.
3754 # So they do not need to be filled again when reused
3755 for i
in [0..array
.length
[ do
3757 if not ne
isa AStringFormExpr then continue
3758 var e
= v
.expr
(ne
, null)
3759 v
.native_array_set
(a
, i
, e
)
3763 # Take the native-array from the store.
3764 # The point is to prevent that some recursive execution use (and corrupt) the same native array
3765 # WARNING: not thread safe! (FIXME?)
3766 v
.add
("{a} = {varonce};")
3767 v
.add
("{varonce} = NULL;")
3770 # Stringify the elements and put them in the native array
3771 var to_s_method
= v
.get_property
("to_s", v
.object_type
)
3772 for i
in [0..array
.length
[ do
3774 if ne
isa AStringFormExpr then continue
3775 var e
= v
.expr
(ne
, null)
3776 # Skip the `to_s` if the element is already a String
3777 if not e
.mcasttype
.is_subtype
(v
.compiler
.mainmodule
, null, type_string
) then
3778 e
= v
.send
(to_s_method
, [e
]).as(not null)
3780 v
.native_array_set
(a
, i
, e
)
3783 # Fast join the native string to get the result
3784 var res
= v
.send
(v
.get_property
("native_to_s", a
.mtype
), [a
])
3787 if is_re
then res
= make_re
(v
, res
)
3789 # We finish to work with the native array,
3790 # so store it so that it can be reused
3791 v
.add
("{varonce} = {a};")
3797 redef class ACrangeExpr
3800 var i1
= v
.expr
(self.n_expr
, null)
3801 var i2
= v
.expr
(self.n_expr2
, null)
3802 var mtype
= self.mtype
.as(MClassType)
3803 var res
= v
.init_instance
(mtype
)
3804 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
3809 redef class AOrangeExpr
3812 var i1
= v
.expr
(self.n_expr
, null)
3813 var i2
= v
.expr
(self.n_expr2
, null)
3814 var mtype
= self.mtype
.as(MClassType)
3815 var res
= v
.init_instance
(mtype
)
3816 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
3821 redef class ATrueExpr
3822 redef fun expr
(v
) do return v
.bool_instance
(true)
3825 redef class AFalseExpr
3826 redef fun expr
(v
) do return v
.bool_instance
(false)
3829 redef class ANullExpr
3830 redef fun expr
(v
) do return v
.null_instance
3833 redef class AIsaExpr
3836 var i
= v
.expr
(self.n_expr
, null)
3837 var cast_type
= self.cast_type
3838 if cast_type
== null then return null # no-no on broken node
3839 return v
.type_test
(i
, cast_type
, "isa")
3843 redef class AAsCastExpr
3846 var i
= v
.expr
(self.n_expr
, null)
3847 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
3849 v
.add_cast
(i
, self.mtype
.as(not null), "as")
3854 redef class AAsNotnullExpr
3857 var i
= v
.expr
(self.n_expr
, null)
3858 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
3860 if not v
.maybenull
(i
) then return i
3862 v
.add
("if (unlikely({i} == NULL)) \{")
3863 v
.add_abort
("Cast failed")
3869 redef class AParExpr
3870 redef fun expr
(v
) do return v
.expr
(self.n_expr
, null)
3873 redef class AOnceExpr
3876 var mtype
= self.mtype
.as(not null)
3877 var name
= v
.get_name
("varonce")
3878 var guard
= v
.get_name
(name
+ "_guard")
3879 v
.add_decl
("static {mtype.ctype} {name};")
3880 v
.add_decl
("static int {guard};")
3881 var res
= v
.new_var
(mtype
)
3882 v
.add
("if (likely({guard})) \{")
3883 v
.add
("{res} = {name};")
3885 var i
= v
.expr
(self.n_expr
, mtype
)
3886 v
.add
("{res} = {i};")
3887 v
.add
("{name} = {res};")
3888 v
.add
("{guard} = 1;")
3894 redef class ASendExpr
3897 var recv
= v
.expr
(self.n_expr
, null)
3898 var callsite
= self.callsite
.as(not null)
3899 if callsite
.is_broken
then return null
3900 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
3901 return v
.compile_callsite
(callsite
, args
)
3905 redef class ASendReassignFormExpr
3908 var recv
= v
.expr
(self.n_expr
, null)
3909 var callsite
= self.callsite
.as(not null)
3910 if callsite
.is_broken
then return
3911 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
3913 var value
= v
.expr
(self.n_value
, null)
3915 var left
= v
.compile_callsite
(callsite
, args
)
3918 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [left
, value
])
3922 v
.compile_callsite
(self.write_callsite
.as(not null), args
)
3926 redef class ASuperExpr
3929 var frame
= v
.frame
.as(not null)
3930 var recv
= frame
.arguments
.first
3932 var callsite
= self.callsite
3933 if callsite
!= null then
3934 if callsite
.is_broken
then return null
3937 if self.n_args
.n_exprs
.is_empty
then
3938 # Add automatic arguments for the super init call
3940 for i
in [0..callsite
.msignature
.arity
[ do
3941 args
.add
(frame
.arguments
[i
+1])
3944 args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
3948 var res
= v
.compile_callsite
(callsite
, args
)
3952 var mpropdef
= self.mpropdef
.as(not null)
3955 if self.n_args
.n_exprs
.is_empty
then
3956 args
= frame
.arguments
3958 args
= v
.varargize
(mpropdef
, signaturemap
, recv
, self.n_args
.n_exprs
)
3961 # Standard call-next-method
3962 return v
.supercall
(mpropdef
, recv
.mtype
.as(MClassType), args
)
3966 redef class ANewExpr
3969 var mtype
= self.recvtype
3970 assert mtype
!= null
3972 if mtype
.mclass
.name
== "NativeArray" then
3973 assert self.n_args
.n_exprs
.length
== 1
3974 var l
= v
.expr
(self.n_args
.n_exprs
.first
, null)
3975 assert mtype
isa MGenericType
3976 var elttype
= mtype
.arguments
.first
3977 return v
.native_array_instance
(elttype
, l
)
3980 var callsite
= self.callsite
3981 if callsite
== null then return v
.init_instance_or_extern
(mtype
)
3982 if callsite
.is_broken
then return null
3985 # new factories are badly implemented.
3986 # They assume a stub temporary receiver exists.
3987 # This temporary receiver is required because it
3988 # currently holds the method and the formal types.
3990 # However, this object could be reused if the formal types are the same.
3991 # Therefore, the following code will `once` it in these case
3992 if callsite
.mproperty
.is_new
and not mtype
.need_anchor
then
3993 var name
= v
.get_name
("varoncenew")
3994 var guard
= v
.get_name
(name
+ "_guard")
3995 v
.add_decl
("static {mtype.ctype} {name};")
3996 v
.add_decl
("static int {guard};")
3997 recv
= v
.new_var
(mtype
)
3998 v
.add
("if (likely({guard})) \{")
3999 v
.add
("{recv} = {name};")
4001 var i
= v
.init_instance_or_extern
(mtype
)
4002 v
.add
("{recv} = {i};")
4003 v
.add
("{name} = {recv};")
4004 v
.add
("{guard} = 1;")
4007 recv
= v
.init_instance_or_extern
(mtype
)
4010 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
4011 var res2
= v
.compile_callsite
(callsite
, args
)
4012 if res2
!= null then
4013 #self.debug("got {res2} from {mproperty}. drop {recv}")
4020 redef class AAttrExpr
4023 var recv
= v
.expr
(self.n_expr
, null)
4024 var mproperty
= self.mproperty
.as(not null)
4025 return v
.read_attribute
(mproperty
, recv
)
4029 redef class AAttrAssignExpr
4032 var recv
= v
.expr
(self.n_expr
, null)
4033 var i
= v
.expr
(self.n_value
, null)
4034 var mproperty
= self.mproperty
.as(not null)
4035 v
.write_attribute
(mproperty
, recv
, i
)
4040 redef class AAttrReassignExpr
4043 var recv
= v
.expr
(self.n_expr
, null)
4044 var value
= v
.expr
(self.n_value
, null)
4045 var mproperty
= self.mproperty
.as(not null)
4046 var attr
= v
.read_attribute
(mproperty
, recv
)
4047 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [attr
, value
])
4049 v
.write_attribute
(mproperty
, recv
, res
)
4053 redef class AIssetAttrExpr
4056 var recv
= v
.expr
(self.n_expr
, null)
4057 var mproperty
= self.mproperty
.as(not null)
4058 return v
.isset_attribute
(mproperty
, recv
)
4062 redef class AVarargExpr
4065 return v
.expr
(self.n_expr
, null)
4069 redef class ANamedargExpr
4072 return v
.expr
(self.n_expr
, null)
4076 redef class ADebugTypeExpr
4085 redef class Array[E
]
4086 # Return a new `Array` with the elements only contened in self and not in `o`
4087 fun -(o
: Array[E
]): Array[E
] do
4088 var res
= new Array[E
]
4089 for e
in self do if not o
.has
(e
) then res
.add
(e
)
4095 # All `MProperty` associated to all `MClassDef` of `mclass`
4096 fun properties
(mclass
: MClass): Set[MProperty] do
4097 if not self.properties_cache
.has_key
(mclass
) then
4098 var properties
= new HashSet[MProperty]
4099 var parents
= new Array[MClass]
4100 if self.flatten_mclass_hierarchy
.has
(mclass
) then
4101 parents
.add_all
(mclass
.in_hierarchy
(self).direct_greaters
)
4103 for parent
in parents
do
4104 properties
.add_all
(self.properties
(parent
))
4106 for mclassdef
in mclass
.mclassdefs
do
4107 if not self.in_importation
<= mclassdef
.mmodule
then continue
4108 for mprop
in mclassdef
.intro_mproperties
do
4109 properties
.add
(mprop
)
4112 self.properties_cache
[mclass
] = properties
4114 return properties_cache
[mclass
]
4116 private var properties_cache
: Map[MClass, Set[MProperty]] = new HashMap[MClass, Set[MProperty]]
4118 # Write FFI and nitni results to file
4119 fun finalize_ffi
(c
: AbstractCompiler) do end
4121 # Give requided addinional system libraries (as given to LD_LIBS)
4122 # Note: can return null instead of an empty set
4123 fun collect_linker_libs
: nullable Array[String] do return null
4126 # Create a tool context to handle options and paths
4127 var toolcontext
= new ToolContext
4129 toolcontext
.tooldescription
= "Usage: nitc [OPTION]... file.nit...\nCompiles Nit programs."
4131 # We do not add other options, so process them now!
4132 toolcontext
.process_options
(args
)
4134 # We need a model to collect stufs
4135 var model
= new Model
4136 # An a model builder to parse files
4137 var modelbuilder
= new ModelBuilder(model
, toolcontext
)
4139 var arguments
= toolcontext
.option_context
.rest
4140 if arguments
.length
> 1 and toolcontext
.opt_output
.value
!= null then
4141 print
"Option Error: --output needs a single source file. Do you prefer --dir?"
4145 # Here we load an process all modules passed on the command line
4146 var mmodules
= modelbuilder
.parse
(arguments
)
4148 if mmodules
.is_empty
then toolcontext
.quit
4150 modelbuilder
.run_phases
4152 for mmodule
in mmodules
do
4153 toolcontext
.info
("*** PROCESS {mmodule} ***", 1)
4155 toolcontext
.run_global_phases
(ms
)