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 <TargetConditionals.h>")
666 self.header
.add_decl
(" #include <syslog.h>")
667 self.header
.add_decl
(" #include <libkern/OSByteOrder.h>")
668 self.header
.add_decl
(" #define be32toh(x) OSSwapBigToHostInt32(x)")
669 self.header
.add_decl
("#endif")
670 self.header
.add_decl
("#ifdef _WIN32")
671 self.header
.add_decl
(" #define be32toh(val) _byteswap_ulong(val)")
672 self.header
.add_decl
("#endif")
673 self.header
.add_decl
("#ifdef __pnacl__")
674 self.header
.add_decl
(" #define be16toh(val) (((val) >> 8) | ((val) << 8))")
675 self.header
.add_decl
(" #define be32toh(val) ((be16toh((val) << 16) | (be16toh((val) >> 16))))")
676 self.header
.add_decl
("#endif")
677 self.header
.add_decl
("#ifdef ANDROID")
678 self.header
.add_decl
(" #ifndef be32toh")
679 self.header
.add_decl
(" #define be32toh(val) betoh32(val)")
680 self.header
.add_decl
(" #endif")
681 self.header
.add_decl
(" #include <android/log.h>")
682 self.header
.add_decl
(" #define PRINT_ERROR(...) (void)__android_log_print(ANDROID_LOG_WARN, \"Nit\
", __VA_ARGS__)")
683 self.header
.add_decl
("#elif TARGET_OS_IPHONE")
684 self.header
.add_decl
(" #define PRINT_ERROR(...) syslog(LOG_ERR, __VA_ARGS__)")
685 self.header
.add_decl
("#else")
686 self.header
.add_decl
(" #define PRINT_ERROR(...) fprintf(stderr, __VA_ARGS__)")
687 self.header
.add_decl
("#endif")
689 compile_header_structs
690 compile_nitni_structs
693 var gccd_disable
= modelbuilder
.toolcontext
.opt_no_gcc_directive
.value
694 if gccd_disable
.has
("noreturn") or gccd_disable
.has
("all") then
695 # Signal handler function prototype
696 self.header
.add_decl
("void fatal_exit(int);")
698 self.header
.add_decl
("void fatal_exit(int) __attribute__ ((noreturn));")
701 if gccd_disable
.has
("likely") or gccd_disable
.has
("all") then
702 self.header
.add_decl
("#define likely(x) (x)")
703 self.header
.add_decl
("#define unlikely(x) (x)")
704 else if gccd_disable
.has
("correct-likely") then
705 # invert the `likely` definition
706 # Used by masochists to bench the worst case
707 self.header
.add_decl
("#define likely(x) __builtin_expect((x),0)")
708 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),1)")
710 self.header
.add_decl
("#define likely(x) __builtin_expect((x),1)")
711 self.header
.add_decl
("#define unlikely(x) __builtin_expect((x),0)")
714 # Global variable used by intern methods
715 self.header
.add_decl
("extern int glob_argc;")
716 self.header
.add_decl
("extern char **glob_argv;")
717 self.header
.add_decl
("extern val *glob_sys;")
720 # Stack stocking environment for longjumps
721 protected fun compile_catch_stack
do
722 self.header
.add_decl
"""
723 struct catch_stack_t {
727 extern struct catch_stack_t catchStack;
731 # Declaration of structures for live Nit types
732 protected fun compile_header_structs
is abstract
734 # Declaration of structures for nitni undelying the FFI
735 protected fun compile_nitni_structs
737 self.header
.add_decl
"""
738 /* Native reference to Nit objects */
739 /* This structure is used to represent every Nit type in extern methods and custom C code. */
741 struct nitni_ref *next,
742 *prev; /* adjacent global references in global list */
743 int count; /* number of time this global reference has been marked */
746 /* List of global references from C code to Nit objects */
747 /* Instanciated empty at init of Nit system and filled explicitly by user in C code */
748 struct nitni_global_ref_list_t {
749 struct nitni_ref *head, *tail;
751 extern struct nitni_global_ref_list_t *nitni_global_ref_list;
753 /* Initializer of global reference list */
754 extern void nitni_global_ref_list_init();
756 /* Intern function to add a global reference to the list */
757 extern void nitni_global_ref_add( struct nitni_ref *ref );
759 /* Intern function to remove a global reference from the list */
760 extern void nitni_global_ref_remove( struct nitni_ref *ref );
762 /* Increase count on an existing global reference */
763 extern void nitni_global_ref_incr( struct nitni_ref *ref );
765 /* Decrease count on an existing global reference */
766 extern void nitni_global_ref_decr( struct nitni_ref *ref );
770 fun compile_finalizer_function
772 var finalizable_type
= mainmodule
.finalizable_type
773 if finalizable_type
== null then return
775 var finalize_meth
= mainmodule
.try_get_primitive_method
("finalize", finalizable_type
.mclass
)
777 if finalize_meth
== null then
778 modelbuilder
.toolcontext
.error
(null, "Error: the `Finalizable` class does not declare the `finalize` method.")
782 var v
= self.new_visitor
783 v
.add_decl
"void gc_finalize (void *obj, void *client_data) \{"
784 var recv
= v
.new_expr
("obj", finalizable_type
)
785 v
.send
(finalize_meth
, [recv
])
789 # Hook to add specif piece of code before the the main C function.
791 # Is called by `compile_main_function`
792 fun compile_before_main
(v
: VISITOR)
796 # Hook to add specif piece of code at the begin on the main C function.
798 # Is called by `compile_main_function`
799 fun compile_begin_main
(v
: VISITOR)
803 # Generate the main C function.
807 # * allocate the Sys object if it exists
808 # * call init if is exists
809 # * call main if it exists
810 fun compile_main_function
812 var v
= self.new_visitor
813 v
.add_decl
("#include <signal.h>")
814 var platform
= target_platform
816 var no_main
= platform
.no_main
or modelbuilder
.toolcontext
.opt_no_main
.value
818 if platform
.supports_libunwind
then
819 v
.add_decl
("#ifndef NO_STACKTRACE")
820 v
.add_decl
("#define UNW_LOCAL_ONLY")
821 v
.add_decl
("#include <libunwind.h>")
822 v
.add_decl
("#include \"c_functions_hash
.h\
"")
825 v
.add_decl
("int glob_argc;")
826 v
.add_decl
("char **glob_argv;")
827 v
.add_decl
("val *glob_sys;")
828 v
.add_decl
("struct catch_stack_t catchStack;")
830 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
831 for tag
in count_type_test_tags
do
832 v
.add_decl
("long count_type_test_resolved_{tag};")
833 v
.add_decl
("long count_type_test_unresolved_{tag};")
834 v
.add_decl
("long count_type_test_skipped_{tag};")
835 v
.compiler
.header
.add_decl
("extern long count_type_test_resolved_{tag};")
836 v
.compiler
.header
.add_decl
("extern long count_type_test_unresolved_{tag};")
837 v
.compiler
.header
.add_decl
("extern long count_type_test_skipped_{tag};")
841 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
842 v
.add_decl
("long count_invoke_by_tables;")
843 v
.add_decl
("long count_invoke_by_direct;")
844 v
.add_decl
("long count_invoke_by_inline;")
845 v
.compiler
.header
.add_decl
("extern long count_invoke_by_tables;")
846 v
.compiler
.header
.add_decl
("extern long count_invoke_by_direct;")
847 v
.compiler
.header
.add_decl
("extern long count_invoke_by_inline;")
850 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
851 v
.add_decl
("long count_attr_reads = 0;")
852 v
.add_decl
("long count_isset_checks = 0;")
853 v
.compiler
.header
.add_decl
("extern long count_attr_reads;")
854 v
.compiler
.header
.add_decl
("extern long count_isset_checks;")
857 v
.add_decl
("static void show_backtrace(void) \{")
858 if platform
.supports_libunwind
then
859 v
.add_decl
("#ifndef NO_STACKTRACE")
860 v
.add_decl
("char* opt = getenv(\"NIT_NO_STACK\
");")
861 v
.add_decl
("unw_cursor_t cursor;")
862 v
.add_decl
("if(opt==NULL)\{")
863 v
.add_decl
("unw_context_t uc;")
864 v
.add_decl
("unw_word_t ip;")
865 v
.add_decl
("char* procname = malloc(sizeof(char) * 100);")
866 v
.add_decl
("unw_getcontext(&uc);")
867 v
.add_decl
("unw_init_local(&cursor, &uc);")
868 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
869 v
.add_decl
("PRINT_ERROR(\"-- Stack Trace ------------------------------\\n\
");")
870 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
871 v
.add_decl
("while (unw_step(&cursor) > 0) \{")
872 v
.add_decl
(" unw_get_proc_name(&cursor, procname, 100, &ip);")
873 v
.add_decl
(" const char* recv = get_nit_name(procname, strlen(procname));")
874 v
.add_decl
(" if (recv != NULL)\{")
875 v
.add_decl
(" PRINT_ERROR(\"` %s\\n\", recv);")
876 v.add_decl(" \}else\{")
877 v.add_decl(" PRINT_ERROR(\"` %s\\n\
", procname);")
880 v
.add_decl
("PRINT_ERROR(\"-------------------------------------------------\\n\
");")
881 v
.add_decl
("free(procname);")
883 v
.add_decl
("#endif /* NO_STACKTRACE */")
887 v
.add_decl
("void sig_handler(int signo)\{")
888 v
.add_decl
"#ifdef _WIN32"
889 v
.add_decl
"PRINT_ERROR(\"Caught signal
: %s\\n\
", signo);"
891 v
.add_decl
("PRINT_ERROR(\"Caught signal
: %s\\n\
", strsignal(signo));")
893 v
.add_decl
("show_backtrace();")
895 v
.add_decl
("signal(signo, SIG_DFL);")
896 v
.add_decl
"#ifndef _WIN32"
897 v
.add_decl
("kill(getpid(), signo);")
901 v
.add_decl
("void fatal_exit(int status) \{")
902 v
.add_decl
("show_backtrace();")
903 v
.add_decl
("exit(status);")
906 compile_before_main
(v
)
909 v
.add_decl
("int nit_main(int argc, char** argv) \{")
911 v
.add_decl
("int main(int argc, char** argv) \{")
914 compile_begin_main
(v
)
916 v
.add
"#if !defined(__ANDROID__) && !defined(TARGET_OS_IPHONE)"
917 v
.add
("signal(SIGABRT, sig_handler);")
918 v
.add
("signal(SIGFPE, sig_handler);")
919 v
.add
("signal(SIGILL, sig_handler);")
920 v
.add
("signal(SIGINT, sig_handler);")
921 v
.add
("signal(SIGTERM, sig_handler);")
922 v
.add
("signal(SIGSEGV, sig_handler);")
924 v
.add
"#ifndef _WIN32"
925 v
.add
("signal(SIGPIPE, SIG_IGN);")
928 v
.add
("glob_argc = argc; glob_argv = argv;")
929 v
.add
("catchStack.cursor = -1;")
930 v
.add
("initialize_gc_option();")
932 v
.add
"initialize_nitni_global_refs();"
934 var main_type
= mainmodule
.sys_type
935 if main_type
!= null then
936 var mainmodule
= v
.compiler
.mainmodule
937 var glob_sys
= v
.init_instance
(main_type
)
938 v
.add
("glob_sys = {glob_sys};")
939 var main_init
= mainmodule
.try_get_primitive_method
("init", main_type
.mclass
)
940 if main_init
!= null then
941 v
.send
(main_init
, [glob_sys
])
943 var main_method
= mainmodule
.try_get_primitive_method
("run", main_type
.mclass
) or else
944 mainmodule
.try_get_primitive_method
("main", main_type
.mclass
)
945 if main_method
!= null then
946 v
.send
(main_method
, [glob_sys
])
950 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
951 v
.add_decl
("long count_type_test_resolved_total = 0;")
952 v
.add_decl
("long count_type_test_unresolved_total = 0;")
953 v
.add_decl
("long count_type_test_skipped_total = 0;")
954 v
.add_decl
("long count_type_test_total_total = 0;")
955 for tag
in count_type_test_tags
do
956 v
.add_decl
("long count_type_test_total_{tag};")
957 v
.add
("count_type_test_total_{tag} = count_type_test_resolved_{tag} + count_type_test_unresolved_{tag} + count_type_test_skipped_{tag};")
958 v
.add
("count_type_test_resolved_total += count_type_test_resolved_{tag};")
959 v
.add
("count_type_test_unresolved_total += count_type_test_unresolved_{tag};")
960 v
.add
("count_type_test_skipped_total += count_type_test_skipped_{tag};")
961 v
.add
("count_type_test_total_total += count_type_test_total_{tag};")
963 v
.add
("printf(\"# dynamic count_type_test: total %l\\n\");")
964 v
.add
("printf(\"\\tresolved\\tunresolved\\tskipped\\ttotal\\n\
");")
965 var tags
= count_type_test_tags
.to_a
968 v
.add
("printf(\"{tag}\
");")
969 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_resolved_{tag}, 100.0*count_type_test_resolved_{tag}/count_type_test_total_total);")
970 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_unresolved_{tag}, 100.0*count_type_test_unresolved_{tag}/count_type_test_total_total);")
971 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\
", count_type_test_skipped_{tag}, 100.0*count_type_test_skipped_{tag}/count_type_test_total_total);")
972 v
.add
("printf(\"\\t
%ld
(%.2f
%%)\\n\
", count_type_test_total_{tag}, 100.0*count_type_test_total_{tag}/count_type_test_total_total);")
976 if self.modelbuilder
.toolcontext
.opt_invocation_metrics
.value
then
977 v
.add_decl
("long count_invoke_total;")
978 v
.add
("count_invoke_total = count_invoke_by_tables + count_invoke_by_direct + count_invoke_by_inline;")
979 v
.add
("printf(\"# dynamic count_invocation: total %ld\\n\", count_invoke_total);")
980 v
.add
("printf(\"by table
: %ld
(%.2f
%%)\\n\
", count_invoke_by_tables, 100.0*count_invoke_by_tables/count_invoke_total);")
981 v
.add
("printf(\"direct
: %ld
(%.2f
%%)\\n\
", count_invoke_by_direct, 100.0*count_invoke_by_direct/count_invoke_total);")
982 v
.add
("printf(\"inlined
: %ld
(%.2f
%%)\\n\
", count_invoke_by_inline, 100.0*count_invoke_by_inline/count_invoke_total);")
985 if self.modelbuilder
.toolcontext
.opt_isset_checks_metrics
.value
then
986 v
.add
("printf(\"# dynamic attribute reads: %ld\\n\", count_attr_reads);")
987 v
.add
("printf(\"# dynamic isset checks: %ld\\n\", count_isset_checks);")
993 for m
in mainmodule
.in_importation
.greaters
do
994 var f
= "FILE_"+m
.c_name
995 v
.add
"const char {f}[] = \"{m.location.file.filename.escape_to_c}\
";"
996 provide_declaration
(f
, "extern const char {f}[];")
1000 # Copile all C functions related to the [incr|decr]_ref features of the FFI
1001 fun compile_nitni_global_ref_functions
1003 var v
= self.new_visitor
1005 struct nitni_global_ref_list_t *nitni_global_ref_list;
1006 void initialize_nitni_global_refs() {
1007 nitni_global_ref_list = (struct nitni_global_ref_list_t*)nit_alloc(sizeof(struct nitni_global_ref_list_t));
1008 nitni_global_ref_list->head = NULL;
1009 nitni_global_ref_list->tail = NULL;
1012 void nitni_global_ref_add( struct nitni_ref *ref ) {
1013 if ( nitni_global_ref_list->head == NULL ) {
1014 nitni_global_ref_list->head = ref;
1017 nitni_global_ref_list->tail->next = ref;
1018 ref->prev = nitni_global_ref_list->tail;
1020 nitni_global_ref_list->tail = ref;
1025 void nitni_global_ref_remove( struct nitni_ref *ref ) {
1026 if ( ref->prev == NULL ) {
1027 nitni_global_ref_list->head = ref->next;
1029 ref->prev->next = ref->next;
1032 if ( ref->next == NULL ) {
1033 nitni_global_ref_list->tail = ref->prev;
1035 ref->next->prev = ref->prev;
1039 extern void nitni_global_ref_incr( struct nitni_ref *ref ) {
1040 if ( ref->count == 0 ) /* not registered */
1043 nitni_global_ref_add( ref );
1049 extern void nitni_global_ref_decr( struct nitni_ref *ref ) {
1050 if ( ref->count == 1 ) /* was last reference */
1052 /* remove from list */
1053 nitni_global_ref_remove( ref );
1061 # List of additional files required to compile (FFI)
1062 var extern_bodies
= new Array[ExternFile]
1064 # List of source files to copy over to the compile dir
1065 var files_to_copy
= new Array[String]
1067 # This is used to avoid adding an extern file more than once
1068 private var seen_extern
= new ArraySet[String]
1070 # Generate code that initialize the attributes on a new instance
1071 fun generate_init_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1073 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1074 self.mainmodule
.linearize_mclassdefs
(cds
)
1076 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1077 npropdef
.init_expr
(v
, recv
)
1082 # Generate code that check if an attribute is correctly initialized
1083 fun generate_check_attr
(v
: VISITOR, recv
: RuntimeVariable, mtype
: MClassType)
1085 var cds
= mtype
.collect_mclassdefs
(self.mainmodule
).to_a
1086 self.mainmodule
.linearize_mclassdefs
(cds
)
1088 for npropdef
in modelbuilder
.collect_attr_propdef
(cd
) do
1089 npropdef
.check_expr
(v
, recv
)
1096 var count_type_test_tags
: Array[String] = ["isa", "as", "auto", "covariance", "erasure"]
1097 var count_type_test_resolved
: HashMap[String, Int] = init_count_type_test_tags
1098 var count_type_test_unresolved
: HashMap[String, Int] = init_count_type_test_tags
1099 var count_type_test_skipped
: HashMap[String, Int] = init_count_type_test_tags
1101 protected fun init_count_type_test_tags
: HashMap[String, Int]
1103 var res
= new HashMap[String, Int]
1104 for tag
in count_type_test_tags
do
1110 # Display stats about compilation process
1114 # * type tests against resolved types (`x isa Collection[Animal]`)
1115 # * type tests against unresolved types (`x isa Collection[E]`)
1116 # * type tests skipped
1117 # * type tests total
1120 if self.modelbuilder
.toolcontext
.opt_typing_test_metrics
.value
then
1121 print
"# static count_type_test"
1122 print
"\tresolved:\tunresolved\tskipped\ttotal"
1123 var count_type_test_total
= init_count_type_test_tags
1124 count_type_test_resolved
["total"] = 0
1125 count_type_test_unresolved
["total"] = 0
1126 count_type_test_skipped
["total"] = 0
1127 count_type_test_total
["total"] = 0
1128 for tag
in count_type_test_tags
do
1129 count_type_test_total
[tag
] = count_type_test_resolved
[tag
] + count_type_test_unresolved
[tag
] + count_type_test_skipped
[tag
]
1130 count_type_test_resolved
["total"] += count_type_test_resolved
[tag
]
1131 count_type_test_unresolved
["total"] += count_type_test_unresolved
[tag
]
1132 count_type_test_skipped
["total"] += count_type_test_skipped
[tag
]
1133 count_type_test_total
["total"] += count_type_test_total
[tag
]
1135 var count_type_test
= count_type_test_total
["total"]
1136 var tags
= count_type_test_tags
.to_a
1140 printn
"\t{count_type_test_resolved[tag]} ({div(count_type_test_resolved[tag],count_type_test)}%)"
1141 printn
"\t{count_type_test_unresolved[tag]} ({div(count_type_test_unresolved[tag],count_type_test)}%)"
1142 printn
"\t{count_type_test_skipped[tag]} ({div(count_type_test_skipped[tag],count_type_test)}%)"
1143 printn
"\t{count_type_test_total[tag]} ({div(count_type_test_total[tag],count_type_test)}%)"
1149 fun finalize_ffi_for_module
(mmodule
: MModule) do mmodule
.finalize_ffi
(self)
1152 # C code file generated from the `writers` and the `required_declarations`
1154 # A file unit aims to be autonomous and is made or one or more `CodeWriter`s.
1156 # Basename of the file, will be appended by `.h` and `.c`
1159 # `CodeWriter` used in sequence to fill the top of the body, then the bottom
1160 var writers
= new Array[CodeWriter]
1162 # Required declarations keys
1164 # See: `provide_declaration`
1165 var required_declarations
= new HashSet[String]
1168 # Store generated lines
1170 # Instances are added to `file.writers` at construction.
1175 # Main lines of code (written at the bottom of the body)
1176 var lines
= new Array[String]
1178 # Lines of code for declarations (written at the top of the body)
1179 var decl_lines
= new Array[String]
1181 # Add a line in the main lines of code (to `lines`)
1182 fun add
(s
: String) do self.lines
.add
(s
)
1184 # Add a declaration line (to `decl_lines`)
1186 # Used for local and global declaration.
1187 fun add_decl
(s
: String) do self.decl_lines
.add
(s
)
1191 file
.writers
.add
(self)
1195 # A visitor on the AST of property definition that generate the C code.
1196 abstract class AbstractCompilerVisitor
1198 type COMPILER: AbstractCompiler
1200 # The associated compiler
1201 var compiler
: COMPILER
1203 # The current visited AST node
1204 var current_node
: nullable ANode = null is writable
1206 # The current `StaticFrame`
1207 var frame
: nullable StaticFrame = null is writable
1209 # Alias for self.compiler.mainmodule.object_type
1210 fun object_type
: MClassType do return self.compiler
.mainmodule
.object_type
1212 # Alias for self.compiler.mainmodule.bool_type
1213 fun bool_type
: MClassType do return self.compiler
.mainmodule
.bool_type
1215 var writer
: CodeWriter is noinit
1219 self.writer
= new CodeWriter(compiler
.files
.last
)
1222 # Force to get the primitive property named `name` in the instance `recv` or abort
1223 fun get_property
(name
: String, recv
: MType): MMethod
1225 assert recv
isa MClassType
1226 return self.compiler
.modelbuilder
.force_get_primitive_method
(self.current_node
, name
, recv
.mclass
, self.compiler
.mainmodule
)
1229 fun compile_callsite
(callsite
: CallSite, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
1231 if callsite
.is_broken
then return null
1232 var initializers
= callsite
.mpropdef
.initializers
1233 if not initializers
.is_empty
then
1234 var recv
= arguments
.first
1237 for p
in initializers
do
1238 if p
isa MMethod then
1240 for x
in p
.intro
.msignature
.mparameters
do
1241 args
.add arguments
[i
]
1245 else if p
isa MAttribute then
1246 self.write_attribute
(p
, recv
, arguments
[i
])
1250 assert i
== arguments
.length
1252 return self.send
(callsite
.mproperty
, [recv
])
1255 return self.send
(callsite
.mproperty
, arguments
)
1258 fun native_array_instance
(elttype
: MType, length
: RuntimeVariable): RuntimeVariable is abstract
1260 fun native_array_def
(pname
: String, ret_type
: nullable MType, arguments
: Array[RuntimeVariable]): Bool do return false
1262 # Return an element of a native array.
1263 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1264 fun native_array_get
(native_array
: RuntimeVariable, index
: Int): RuntimeVariable is abstract
1266 # Store an element in a native array.
1267 # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
1268 fun native_array_set
(native_array
: RuntimeVariable, index
: Int, value
: RuntimeVariable) is abstract
1270 # Allocate `size` bytes with the low_level `nit_alloc` C function
1272 # This method can be redefined to inject statistic or tracing code.
1274 # `tag` if any, is used to mark the class of the allocated object.
1275 fun nit_alloc
(size
: String, tag
: nullable String): String
1277 return "nit_alloc({size})"
1280 # Evaluate `args` as expressions in the call of `mpropdef` on `recv`.
1281 # This method is used to manage varargs in signatures and returns the real array
1282 # of runtime variables to use in the call.
1283 fun varargize
(mpropdef
: MMethodDef, map
: nullable SignatureMap, recv
: RuntimeVariable, args
: SequenceRead[AExpr]): Array[RuntimeVariable]
1285 var msignature
= mpropdef
.new_msignature
or else mpropdef
.msignature
.as(not null)
1286 var res
= new Array[RuntimeVariable]
1289 if msignature
.arity
== 0 then return res
1292 assert args
.length
== msignature
.arity
1294 res
.add
self.expr
(ne
, null)
1299 # Eval in order of arguments, not parameters
1300 var exprs
= new Array[RuntimeVariable].with_capacity
(args
.length
)
1302 exprs
.add
self.expr
(ne
, null)
1305 # Fill `res` with the result of the evaluation according to the mapping
1306 for i
in [0..msignature
.arity
[ do
1307 var param
= msignature
.mparameters
[i
]
1308 var j
= map
.map
.get_or_null
(i
)
1311 res
.add
(null_instance
)
1314 if param
.is_vararg
and args
[i
].vararg_decl
> 0 then
1315 var vararg
= exprs
.sub
(j
, args
[i
].vararg_decl
)
1316 var elttype
= param
.mtype
1317 var arg
= self.vararg_instance
(mpropdef
, recv
, vararg
, elttype
)
1328 # Anchor a type to the main module and the current receiver
1329 fun anchor
(mtype
: MType): MType
1331 if not mtype
.need_anchor
then return mtype
1332 return mtype
.anchor_to
(self.compiler
.mainmodule
, self.frame
.receiver
)
1335 fun resolve_for
(mtype
: MType, recv
: RuntimeVariable): MType
1337 if not mtype
.need_anchor
then return mtype
1338 return mtype
.resolve_for
(recv
.mcasttype
, self.frame
.receiver
, self.compiler
.mainmodule
, true)
1341 # Unsafely cast a value to a new type
1342 # ie the result share the same C variable but my have a different mcasttype
1343 # NOTE: if the adaptation is useless then `value` is returned as it.
1344 # ENSURE: `result.name == value.name`
1345 fun autoadapt
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable
1347 mtype
= self.anchor
(mtype
)
1348 var valmtype
= value
.mcasttype
1350 # Do nothing if useless autocast
1351 if valmtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1355 # Just as_not_null if the target is not nullable.
1357 # eg `nullable PreciseType` adapted to `Object` gives precisetype.
1358 if valmtype
isa MNullableType and valmtype
.mtype
.is_subtype
(self.compiler
.mainmodule
, null, mtype
) then
1359 mtype
= valmtype
.mtype
1362 var res
= new RuntimeVariable(value
.name
, value
.mtype
, mtype
)
1366 # Generate a super call from a method definition
1367 fun supercall
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1369 # Adapt the arguments of a method according to targetted `MMethodDef`
1370 fun adapt_signature
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1372 # Unbox all the arguments of a method when implemented `extern` or `intern`
1373 fun unbox_signature_extern
(m
: MMethodDef, args
: Array[RuntimeVariable]) is abstract
1375 # Box or unbox a value to another type iff a C type conversion is needed
1376 # ENSURE: `result.mtype.ctype == mtype.ctype`
1377 fun autobox
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1379 # Box extern classes to be used in the generated code
1380 fun box_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1382 # Unbox extern classes to be used in extern code (legacy NI and FFI)
1383 fun unbox_extern
(value
: RuntimeVariable, mtype
: MType): RuntimeVariable is abstract
1385 # Generate a polymorphic subtype test
1386 fun type_test
(value
: RuntimeVariable, mtype
: MType, tag
: String): RuntimeVariable is abstract
1388 # Generate the code required to dynamically check if 2 objects share the same runtime type
1389 fun is_same_type_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1391 # Generate a Nit "is" for two runtime_variables
1392 fun equal_test
(value1
, value2
: RuntimeVariable): RuntimeVariable is abstract
1396 # Generate a static call on a method definition
1397 fun call
(m
: MMethodDef, recvtype
: MClassType, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1399 # Generate a polymorphic send for the method `m` and the arguments `args`
1400 fun send
(m
: MMethod, args
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1402 # Generate a monomorphic send for the method `m`, the type `t` and the arguments `args`
1403 fun monomorphic_send
(m
: MMethod, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1405 assert t
isa MClassType
1406 var propdef
= m
.lookup_first_definition
(self.compiler
.mainmodule
, t
)
1407 return self.call
(propdef
, t
, args
)
1410 # Generate a monomorphic super send from the method `m`, the type `t` and the arguments `args`
1411 fun monomorphic_super_send
(m
: MMethodDef, t
: MType, args
: Array[RuntimeVariable]): nullable RuntimeVariable
1413 assert t
isa MClassType
1414 m
= m
.lookup_next_definition
(self.compiler
.mainmodule
, t
)
1415 return self.call
(m
, t
, args
)
1418 # Attributes handling
1420 # Generate a polymorphic attribute is_set test
1421 fun isset_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1423 # Generate a polymorphic attribute read
1424 fun read_attribute
(a
: MAttribute, recv
: RuntimeVariable): RuntimeVariable is abstract
1426 # Generate a polymorphic attribute write
1427 fun write_attribute
(a
: MAttribute, recv
: RuntimeVariable, value
: RuntimeVariable) is abstract
1431 # Can value be null? (according to current knowledge)
1432 fun maybenull
(value
: RuntimeVariable): Bool
1434 return value
.mcasttype
isa MNullableType or value
.mcasttype
isa MNullType
1437 # Add a check and an abort for a null receiver if needed
1438 fun check_recv_notnull
(recv
: RuntimeVariable)
1440 if self.compiler
.modelbuilder
.toolcontext
.opt_no_check_null
.value
then return
1442 if maybenull
(recv
) then
1443 self.add
("if (unlikely({recv} == NULL)) \{")
1444 self.add_abort
("Receiver is null")
1451 private var names
= new HashSet[String]
1452 private var last
: Int = 0
1454 # Return a new name based on `s` and unique in the visitor
1455 fun get_name
(s
: String): String
1457 if not self.names
.has
(s
) then
1461 var i
= self.last
+ 1
1464 if not self.names
.has
(s2
) then
1473 # Return an unique and stable identifier associated with an escapemark
1474 fun escapemark_name
(e
: nullable EscapeMark): String
1477 if frame
.escapemark_names
.has_key
(e
) then return frame
.escapemark_names
[e
]
1479 if name
== null then name
= "label"
1480 name
= get_name
(name
)
1481 frame
.escapemark_names
[e
] = name
1485 # Insert a C label for associated with an escapemark
1486 fun add_escape_label
(e
: nullable EscapeMark)
1488 if e
== null then return
1489 if e
.escapes
.is_empty
then return
1490 add
("BREAK_{escapemark_name(e)}: (void)0;")
1493 # Return a "const char*" variable associated to the classname of the dynamic type of an object
1494 # NOTE: we do not return a `RuntimeVariable` "CString" as the class may not exist in the module/program
1495 fun class_name_string
(value
: RuntimeVariable): String is abstract
1497 # Variables handling
1499 protected var variables
= new HashMap[Variable, RuntimeVariable]
1501 # Return the local runtime_variable associated to a Nit local variable
1502 fun variable
(variable
: Variable): RuntimeVariable
1504 if self.variables
.has_key
(variable
) then
1505 return self.variables
[variable
]
1507 var name
= self.get_name
("var_{variable.name}")
1508 var mtype
= variable
.declared_type
.as(not null)
1509 mtype
= self.anchor
(mtype
)
1510 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1511 self.add_decl
("{mtype.ctype} {name} /* var {variable}: {mtype} */;")
1512 self.variables
[variable
] = res
1517 # Return a new uninitialized local runtime_variable
1518 fun new_var
(mtype
: MType): RuntimeVariable
1520 mtype
= self.anchor
(mtype
)
1521 var name
= self.get_name
("var")
1522 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1523 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1527 # The difference with `new_var` is the C static type of the local variable
1528 fun new_var_extern
(mtype
: MType): RuntimeVariable
1530 mtype
= self.anchor
(mtype
)
1531 var name
= self.get_name
("var")
1532 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1533 self.add_decl
("{mtype.ctype_extern} {name} /* : {mtype} for extern */;")
1537 # Return a new uninitialized named runtime_variable
1538 fun new_named_var
(mtype
: MType, name
: String): RuntimeVariable
1540 mtype
= self.anchor
(mtype
)
1541 var res
= new RuntimeVariable(name
, mtype
, mtype
)
1542 self.add_decl
("{mtype.ctype} {name} /* : {mtype} */;")
1546 # Correctly assign a left and a right value
1547 # Boxing and unboxing is performed if required
1548 fun assign
(left
, right
: RuntimeVariable)
1550 right
= self.autobox
(right
, left
.mtype
)
1551 self.add
("{left} = {right};")
1554 # Generate instances
1556 # Generate a alloc-instance + init-attributes
1557 fun init_instance
(mtype
: MClassType): RuntimeVariable is abstract
1559 # Allocate and init attributes of an instance of a standard or extern class
1561 # Does not support universals and the pseudo-internal `NativeArray` class.
1562 fun init_instance_or_extern
(mtype
: MClassType): RuntimeVariable
1565 var ctype
= mtype
.ctype
1566 assert mtype
.mclass
.name
!= "NativeArray"
1567 if not mtype
.is_c_primitive
then
1568 recv
= init_instance
(mtype
)
1569 else if ctype
== "char*" then
1570 recv
= new_expr
("NULL/*special!*/", mtype
)
1572 recv
= new_expr
("({ctype})0/*special!*/", mtype
)
1577 # Set a GC finalizer on `recv`, only if `recv` isa Finalizable
1578 fun set_finalizer
(recv
: RuntimeVariable)
1580 var mtype
= recv
.mtype
1581 var finalizable_type
= compiler
.mainmodule
.finalizable_type
1582 if finalizable_type
!= null and not mtype
.need_anchor
and
1583 mtype
.is_subtype
(compiler
.mainmodule
, null, finalizable_type
) then
1584 add
"gc_register_finalizer({recv});"
1588 # The currently processed module
1590 # alias for `compiler.mainmodule`
1591 fun mmodule
: MModule do return compiler
.mainmodule
1593 # Generate an integer value
1594 fun int_instance
(value
: Int): RuntimeVariable
1596 var t
= mmodule
.int_type
1597 var res
= new RuntimeVariable("{value.to_s}l", t
, t
)
1601 # Generate a byte value
1602 fun byte_instance
(value
: Byte): RuntimeVariable
1604 var t
= mmodule
.byte_type
1605 var res
= new RuntimeVariable("((unsigned char){value.to_s})", t
, t
)
1609 # Generate an int8 value
1610 fun int8_instance
(value
: Int8): RuntimeVariable
1612 var t
= mmodule
.int8_type
1613 var res
= new RuntimeVariable("((int8_t){value.to_s})", t
, t
)
1617 # Generate an int16 value
1618 fun int16_instance
(value
: Int16): RuntimeVariable
1620 var t
= mmodule
.int16_type
1621 var res
= new RuntimeVariable("((int16_t){value.to_s})", t
, t
)
1625 # Generate a uint16 value
1626 fun uint16_instance
(value
: UInt16): RuntimeVariable
1628 var t
= mmodule
.uint16_type
1629 var res
= new RuntimeVariable("((uint16_t){value.to_s})", t
, t
)
1633 # Generate an int32 value
1634 fun int32_instance
(value
: Int32): RuntimeVariable
1636 var t
= mmodule
.int32_type
1637 var res
= new RuntimeVariable("((int32_t){value.to_s})", t
, t
)
1641 # Generate a uint32 value
1642 fun uint32_instance
(value
: UInt32): RuntimeVariable
1644 var t
= mmodule
.uint32_type
1645 var res
= new RuntimeVariable("((uint32_t){value.to_s})", t
, t
)
1649 # Generate a char value
1650 fun char_instance
(value
: Char): RuntimeVariable
1652 var t
= mmodule
.char_type
1654 if value
.code_point
< 128 then
1655 return new RuntimeVariable("'{value.to_s.escape_to_c}'", t
, t
)
1657 return new RuntimeVariable("{value.code_point}", t
, t
)
1661 # Generate a float value
1663 # FIXME pass a Float, not a string
1664 fun float_instance
(value
: String): RuntimeVariable
1666 var t
= mmodule
.float_type
1667 var res
= new RuntimeVariable("{value}", t
, t
)
1671 # Generate an integer value
1672 fun bool_instance
(value
: Bool): RuntimeVariable
1674 var s
= if value
then "1" else "0"
1675 var res
= new RuntimeVariable(s
, bool_type
, bool_type
)
1679 # Generate the `null` value
1680 fun null_instance
: RuntimeVariable
1682 var t
= compiler
.mainmodule
.model
.null_type
1683 var res
= new RuntimeVariable("((val*)NULL)", t
, t
)
1687 # Generates a CString instance fully escaped in C-style \xHH fashion
1688 fun c_string_instance
(ns
: CString, len
: Int): RuntimeVariable do
1689 var mtype
= mmodule
.c_string_type
1690 var nat
= new_var
(mtype
)
1691 var byte_esc
= new Buffer.with_cap
(len
* 4)
1692 for i
in [0 .. len
[ do
1693 byte_esc
.append
("\\x{ns[i].to_s.substring_from(2)}")
1695 self.add
("{nat} = \"{byte_esc}\
";")
1699 # Generate a string value
1700 fun string_instance
(string
: String): RuntimeVariable
1702 var mtype
= mmodule
.string_type
1703 var name
= self.get_name
("varonce")
1704 self.add_decl
("static {mtype.ctype} {name};")
1705 var res
= self.new_var
(mtype
)
1706 self.add
("if (likely({name}!=NULL)) \{")
1707 self.add
("{res} = {name};")
1708 self.add
("\} else \{")
1709 var native_mtype
= mmodule
.c_string_type
1710 var nat
= self.new_var
(native_mtype
)
1711 self.add
("{nat} = \"{string.escape_to_c}\
";")
1712 var byte_length
= self.int_instance
(string
.byte_length
)
1713 var unilen
= self.int_instance
(string
.length
)
1714 self.add
("{res} = {self.send(self.get_property("to_s_unsafe", native_mtype), [nat, byte_length, unilen, value_instance(false), value_instance(false)]).as(not null)};")
1715 self.add
("{name} = {res};")
1720 fun value_instance
(object
: Object): RuntimeVariable
1722 if object
isa Int then
1723 return int_instance
(object
)
1724 else if object
isa Bool then
1725 return bool_instance
(object
)
1726 else if object
isa String then
1727 return string_instance
(object
)
1733 # Generate an array value
1734 fun array_instance
(array
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1736 # Get an instance of a array for a vararg
1737 fun vararg_instance
(mpropdef
: MPropDef, recv
: RuntimeVariable, varargs
: Array[RuntimeVariable], elttype
: MType): RuntimeVariable is abstract
1741 # Add a line in the main part of the generated C
1742 fun add
(s
: String) do self.writer
.lines
.add
(s
)
1745 # (used for local or global declaration)
1746 fun add_decl
(s
: String) do self.writer
.decl_lines
.add
(s
)
1748 # Request the presence of a global declaration
1749 fun require_declaration
(key
: String)
1751 var reqs
= self.writer
.file
.required_declarations
1752 if reqs
.has
(key
) then return
1754 var node
= current_node
1755 if node
!= null then compiler
.requirers_of_declarations
[key
] = node
1758 # Add a declaration in the local-header
1759 # The declaration is ensured to be present once
1760 fun declare_once
(s
: String)
1762 self.compiler
.provide_declaration
(s
, s
)
1763 self.require_declaration
(s
)
1766 # Look for a needed .h and .c file for a given module
1767 # This is used for the legacy FFI
1768 fun add_extern
(mmodule
: MModule)
1770 var file
= mmodule
.filepath
1771 file
= file
.strip_extension
(".nit")
1772 var tryfile
= file
+ ".nit.h"
1773 if tryfile
.file_exists
then
1774 self.declare_once
("#include \"{tryfile.basename}\
"")
1775 self.compiler
.files_to_copy
.add
(tryfile
)
1777 tryfile
= file
+ "_nit.h"
1778 if tryfile
.file_exists
then
1779 self.declare_once
("#include \"{tryfile.basename}\
"")
1780 self.compiler
.files_to_copy
.add
(tryfile
)
1783 if self.compiler
.seen_extern
.has
(file
) then return
1784 self.compiler
.seen_extern
.add
(file
)
1785 tryfile
= file
+ ".nit.c"
1786 if not tryfile
.file_exists
then
1787 tryfile
= file
+ "_nit.c"
1788 if not tryfile
.file_exists
then return
1790 var f
= new ExternCFile(tryfile
.basename
, "")
1791 self.compiler
.extern_bodies
.add
(f
)
1792 self.compiler
.files_to_copy
.add
(tryfile
)
1795 # Return a new local runtime_variable initialized with the C expression `cexpr`.
1796 fun new_expr
(cexpr
: String, mtype
: MType): RuntimeVariable
1798 var res
= new_var
(mtype
)
1799 self.add
("{res} = {cexpr};")
1803 # Generate generic abort
1804 # used by aborts, asserts, casts, etc.
1805 fun add_abort
(message
: String)
1807 self.add
("if(catchStack.cursor >= 0)\{")
1808 self.add
("longjmp(catchStack.envs[catchStack.cursor], 1);")
1810 self.add
("PRINT_ERROR(\"Runtime error
: %s\
", \"{message.escape_to_c}\
");")
1816 if self.current_node
!= null and self.current_node
.location
.file
!= null and
1817 self.current_node
.location
.file
.mmodule
!= null then
1818 var f
= "FILE_{self.current_node.location.file.mmodule.c_name}"
1819 self.require_declaration
(f
)
1820 self.add
("PRINT_ERROR(\" (%s
:%d
)\\n\
", {f}, {current_node.location.line_start});")
1822 self.add
("PRINT_ERROR(\"\\n\
");")
1824 self.add
("fatal_exit(1);")
1827 # Add a dynamic cast
1828 fun add_cast
(value
: RuntimeVariable, mtype
: MType, tag
: String)
1830 var res
= self.type_test
(value
, mtype
, tag
)
1831 self.add
("if (unlikely(!{res})) \{")
1832 var cn
= self.class_name_string
(value
)
1833 self.add
("PRINT_ERROR(\"Runtime error
: Cast failed
. Expected `%s`, got
`%s`\
", \"{mtype.to_s.escape_to_c}\
", {cn});")
1838 # Generate a return with the value `s`
1839 fun ret
(s
: RuntimeVariable)
1841 self.assign
(self.frame
.returnvar
.as(not null), s
)
1842 self.add
("goto {self.frame.returnlabel.as(not null)};")
1845 # Compile a statement (if any)
1846 fun stmt
(nexpr
: nullable AExpr)
1848 if nexpr
== null then return
1849 if nexpr
.is_broken
then
1850 # Untyped expression.
1851 # Might mean dead code or invalid code
1853 add_abort
("FATAL: bad statement executed.")
1857 var narray
= nexpr
.comprehension
1858 if narray
!= null then
1859 var recv
= frame
.comprehension
.as(not null)
1860 var val
= expr
(nexpr
, narray
.element_mtype
)
1861 compile_callsite
(narray
.push_callsite
.as(not null), [recv
, val
])
1865 var old
= self.current_node
1866 self.current_node
= nexpr
1868 self.current_node
= old
1871 # Compile an expression an return its result
1872 # `mtype` is the expected return type, pass null if no specific type is expected.
1873 fun expr
(nexpr
: AExpr, mtype
: nullable MType): RuntimeVariable
1875 var old
= self.current_node
1876 self.current_node
= nexpr
1879 if nexpr
.mtype
!= null then
1880 res
= nexpr
.expr
(self)
1884 # Untyped expression.
1885 # Might mean dead code or invalid code.
1887 add_abort
("FATAL: bad expression executed.")
1888 # and return a placebo result to please the C compiler
1889 if mtype
== null then mtype
= compiler
.mainmodule
.object_type
1890 res
= new_var
(mtype
)
1892 self.current_node
= old
1896 if mtype
!= null then
1897 mtype
= self.anchor
(mtype
)
1898 res
= self.autobox
(res
, mtype
)
1900 res
= autoadapt
(res
, nexpr
.mtype
.as(not null))
1901 var implicit_cast_to
= nexpr
.implicit_cast_to
1902 if implicit_cast_to
!= null and not self.compiler
.modelbuilder
.toolcontext
.opt_no_check_autocast
.value
then
1903 add_cast
(res
, implicit_cast_to
, "auto")
1904 res
= autoadapt
(res
, implicit_cast_to
)
1906 self.current_node
= old
1910 # Alias for `self.expr(nexpr, self.bool_type)`
1911 fun expr_bool
(nexpr
: AExpr): RuntimeVariable do return expr
(nexpr
, bool_type
)
1913 # Safely show a debug message on the current node and repeat the message in the C code as a comment
1914 fun debug
(message
: String)
1916 var node
= self.current_node
1917 if node
== null then
1918 print
"?: {message}"
1922 self.add
("/* DEBUG: {message} */")
1926 # A C function associated to a Nit method
1927 # Because of customization, a given Nit method can be compiler more that once
1928 abstract class AbstractRuntimeFunction
1930 type COMPILER: AbstractCompiler
1931 type VISITOR: AbstractCompilerVisitor
1933 # The associated Nit method
1934 var mmethoddef
: MMethodDef
1936 # The mangled c name of the runtime_function
1937 # Subclasses should redefine `build_c_name` instead
1940 var res
= self.c_name_cache
1941 if res
!= null then return res
1942 res
= self.build_c_name
1943 self.c_name_cache
= res
1947 # Non cached version of `c_name`
1948 protected fun build_c_name
: String is abstract
1950 protected var c_name_cache
: nullable String = null is writable
1952 # Implements a call of the runtime_function
1953 # May inline the body or generate a C function call
1954 fun call
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable is abstract
1956 # Generate the code for the `AbstractRuntimeFunction`
1957 # Warning: compile more than once compilation makes CC unhappy
1958 fun compile_to_c
(compiler
: COMPILER) is abstract
1961 # A runtime variable hold a runtime value in C.
1962 # Runtime variables are associated to Nit local variables and intermediate results in Nit expressions.
1964 # 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.
1965 class RuntimeVariable
1966 # The name of the variable in the C code
1969 # The static type of the variable (as declard in C)
1972 # The current casted type of the variable (as known in Nit)
1973 var mcasttype
: MType is writable
1975 # If the variable exaclty a mcasttype?
1976 # false (usual value) means that the variable is a mcasttype or a subtype.
1977 var is_exact
: Bool = false is writable
1981 assert not mtype
.need_anchor
1982 assert not mcasttype
.need_anchor
1985 redef fun to_s
do return name
1990 if self.is_exact
then
1991 exact_str
= " exact"
1996 if self.mtype
== self.mcasttype
then
1997 type_str
= "{mtype}{exact_str}"
1999 type_str
= "{mtype}({mcasttype}{exact_str})"
2001 return "<{name}:{type_str}>"
2005 # The static context of a visited property in a `AbstractCompilerVisitor`
2008 type VISITOR: AbstractCompilerVisitor
2010 # The associated visitor
2011 var visitor
: VISITOR
2013 # The executed property.
2014 # A Method in case of a call, an attribute in case of a default initialization.
2015 var mpropdef
: MPropDef
2017 # The static type of the receiver
2018 var receiver
: MClassType
2020 # Arguments of the method (the first is the receiver)
2021 var arguments
: Array[RuntimeVariable]
2023 # The runtime_variable associated to the return (in a function)
2024 var returnvar
: nullable RuntimeVariable = null is writable
2026 # The label at the end of the property
2027 var returnlabel
: nullable String = null is writable
2029 # Labels associated to a each escapemarks.
2030 # Because of inlinings, escape-marks must be associated to their context (the frame)
2031 private var escapemark_names
= new HashMap[EscapeMark, String]
2033 # The array comprehension currently filled, if any
2034 private var comprehension
: nullable RuntimeVariable = null
2038 # Return the C type associated to a given Nit static type
2039 fun ctype
: String do return "val*"
2041 # C type outside of the compiler code and in boxes
2042 fun ctype_extern
: String do return "val*"
2044 # Short name of the `ctype` to use in unions
2045 fun ctypename
: String do return "val"
2047 # Is the associated C type a primitive one?
2049 # ENSURE `result == (ctype != "val*")`
2050 fun is_c_primitive
: Bool do return false
2053 redef class MClassType
2055 redef var ctype
is lazy
do
2056 if mclass
.name
== "Int" then
2058 else if mclass
.name
== "Bool" then
2060 else if mclass
.name
== "Char" then
2062 else if mclass
.name
== "Float" then
2064 else if mclass
.name
== "Int8" then
2066 else if mclass
.name
== "Byte" then
2067 return "unsigned char"
2068 else if mclass
.name
== "Int16" then
2070 else if mclass
.name
== "UInt16" then
2072 else if mclass
.name
== "Int32" then
2074 else if mclass
.name
== "UInt32" then
2076 else if mclass
.name
== "CString" then
2078 else if mclass
.name
== "NativeArray" then
2085 redef var is_c_primitive
is lazy
do return ctype
!= "val*"
2087 redef fun ctype_extern
: String
2089 if mclass
.kind
== extern_kind
then
2096 redef fun ctypename
: String
2098 if mclass
.name
== "Int" then
2100 else if mclass
.name
== "Bool" then
2102 else if mclass
.name
== "Char" then
2104 else if mclass
.name
== "Float" then
2106 else if mclass
.name
== "Int8" then
2108 else if mclass
.name
== "Byte" then
2110 else if mclass
.name
== "Int16" then
2112 else if mclass
.name
== "UInt16" then
2114 else if mclass
.name
== "Int32" then
2116 else if mclass
.name
== "UInt32" then
2118 else if mclass
.name
== "CString" then
2120 else if mclass
.name
== "NativeArray" then
2121 #return "{self.arguments.first.ctype}*"
2129 redef class MPropDef
2130 type VISITOR: AbstractCompilerVisitor
2133 redef class MMethodDef
2134 # Can the body be inlined?
2135 fun can_inline
(v
: VISITOR): Bool
2137 if is_abstract
then return true
2138 if constant_value
!= null then return true
2139 var modelbuilder
= v
.compiler
.modelbuilder
2140 var node
= modelbuilder
.mpropdef2node
(self)
2141 if node
isa APropdef then
2142 return node
.can_inline
2143 else if node
isa AClassdef then
2144 # Automatic free init is always inlined since it is empty or contains only attribtes assigments
2146 else if node
== null then
2153 # Inline the body in another visitor
2154 fun compile_inside_to_c
(v
: VISITOR, arguments
: Array[RuntimeVariable]): nullable RuntimeVariable
2156 var modelbuilder
= v
.compiler
.modelbuilder
2157 var val
= constant_value
2158 var node
= modelbuilder
.mpropdef2node
(self)
2161 var cn
= v
.class_name_string
(arguments
.first
)
2162 v
.current_node
= node
2163 v
.add
("PRINT_ERROR(\"Runtime error
: Abstract method
`%s` called on
`%s`\
", \"{mproperty.name.escape_to_c}\
", {cn});")
2168 if node
isa APropdef then
2169 var oldnode
= v
.current_node
2170 v
.current_node
= node
2171 self.compile_parameter_check
(v
, arguments
)
2172 node
.compile_to_c
(v
, self, arguments
)
2173 v
.current_node
= oldnode
2174 else if node
isa AClassdef then
2175 var oldnode
= v
.current_node
2176 v
.current_node
= node
2177 self.compile_parameter_check
(v
, arguments
)
2178 node
.compile_to_c
(v
, self, arguments
)
2179 v
.current_node
= oldnode
2180 else if val
!= null then
2181 v
.ret
(v
.value_instance
(val
))
2188 # Generate type checks in the C code to check covariant parameters
2189 fun compile_parameter_check
(v
: VISITOR, arguments
: Array[RuntimeVariable])
2191 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_covariance
.value
then return
2193 var msignature
= self.msignature
.as(not null)
2195 for i
in [0..msignature
.arity
[ do
2196 var mp
= msignature
.mparameters
[i
]
2197 # skip test for vararg since the array is instantiated with the correct polymorphic type
2198 if mp
.is_vararg
then continue
2200 # skip if the cast is not required
2201 var origmtype
= self.mproperty
.intro
.msignature
.mparameters
[i
].mtype
2202 if not origmtype
.need_anchor
then continue
2204 # get the parameter type
2205 var mtype
= mp
.mtype
2208 # note that v decides if and how to implements the cast
2209 v
.add
("/* Covariant cast for argument {i} ({mp.name}) {arguments[i+1].inspect} isa {mtype} */")
2210 v
.add_cast
(arguments
[i
+1], mtype
, "covariance")
2217 redef class APropdef
2218 fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
2220 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name} {mpropdef} at
{location.to_s}\\n\
");")
2221 debug
("Not yet implemented")
2224 fun can_inline
: Bool do return true
2227 redef class AMethPropdef
2228 redef fun compile_to_c
(v
, mpropdef
, arguments
)
2230 # Call the implicit super-init
2231 var auto_super_inits
= self.auto_super_inits
2232 if auto_super_inits
!= null then
2233 var args
= [arguments
.first
]
2234 for auto_super_init
in auto_super_inits
do
2235 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2237 for i
in [0..auto_super_init
.msignature
.arity
+1[ do
2238 args
.add
(arguments
[i
])
2240 assert auto_super_init
.mproperty
!= mpropdef
.mproperty
2241 v
.compile_callsite
(auto_super_init
, args
)
2244 if auto_super_call
then
2245 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
2248 # Try special compilation
2249 if mpropdef
.is_intern
then
2250 if compile_intern_to_c
(v
, mpropdef
, arguments
) then return
2252 if mpropdef
.is_extern
then
2253 if mpropdef
.mproperty
.is_init
then
2254 if compile_externinit_to_c
(v
, mpropdef
, arguments
) then return
2256 if compile_externmeth_to_c
(v
, mpropdef
, arguments
) then return
2260 # Compile block if any
2261 var n_block
= n_block
2262 if n_block
!= null then
2263 for i
in [0..mpropdef
.msignature
.arity
[ do
2264 var variable
= self.n_signature
.n_params
[i
].variable
.as(not null)
2265 v
.assign
(v
.variable
(variable
), arguments
[i
+1])
2272 var cn
= v
.class_name_string
(arguments
.first
)
2273 v
.add
("PRINT_ERROR(\"Runtime error
: uncompiled method
`%s` called on
`%s`. NOT YET IMPLEMENTED\
", \"{mpropdef.mproperty.name.escape_to_c}\
", {cn});")
2277 redef fun can_inline
2279 if self.auto_super_inits
!= null then return false
2280 var nblock
= self.n_block
2281 if nblock
== null then return true
2282 if (mpropdef
.mproperty
.name
== "==" or mpropdef
.mproperty
.name
== "!=") and mpropdef
.mclassdef
.mclass
.name
== "Object" then return true
2283 if nblock
isa ABlockExpr and nblock
.n_expr
.length
== 0 then return true
2287 fun compile_intern_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
2289 var pname
= mpropdef
.mproperty
.name
2290 var cname
= mpropdef
.mclassdef
.mclass
.name
2291 var ret
= mpropdef
.msignature
.return_mtype
2293 ret
= v
.resolve_for
(ret
, arguments
.first
)
2295 if pname
!= "==" and pname
!= "!=" then
2296 v
.adapt_signature
(mpropdef
, arguments
)
2297 v
.unbox_signature_extern
(mpropdef
, arguments
)
2299 if cname
== "Int" then
2300 if pname
== "output" then
2301 v
.add
("printf(\"%ld\\n\
", {arguments.first});")
2303 else if pname
== "object_id" then
2304 v
.ret
(arguments
.first
)
2306 else if pname
== "+" then
2307 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2309 else if pname
== "-" then
2310 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2312 else if pname
== "unary -" then
2313 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2315 else if pname
== "unary +" then
2318 else if pname
== "*" then
2319 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2321 else if pname
== "/" then
2322 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2324 else if pname
== "%" then
2325 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2327 else if pname
== "==" then
2328 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2330 else if pname
== "!=" then
2331 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2332 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2334 else if pname
== "<" then
2335 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2337 else if pname
== ">" then
2338 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2340 else if pname
== "<=" then
2341 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2343 else if pname
== ">=" then
2344 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2346 else if pname
== "to_i8" then
2347 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2349 else if pname
== "to_i16" then
2350 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2352 else if pname
== "to_u16" then
2353 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2355 else if pname
== "to_i32" then
2356 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2358 else if pname
== "to_u32" then
2359 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2361 else if pname
== "to_f" then
2362 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2364 else if pname
== "to_b" then
2365 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2367 else if pname
== "code_point" then
2368 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2370 else if pname
== "&" then
2371 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2373 else if pname
== "|" then
2374 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
2376 else if pname
== ">>" then
2377 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2379 else if pname
== "<<" then
2380 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2383 else if cname
== "Char" then
2384 if pname
== "object_id" then
2385 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2387 else if pname
== "successor" then
2388 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2390 else if pname
== "predecessor" then
2391 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2393 else if pname
== "==" then
2394 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2396 else if pname
== "!=" then
2397 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2398 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2400 else if pname
== "<" then
2401 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2403 else if pname
== ">" then
2404 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", 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
== "to_i" then
2413 v
.ret
(v
.new_expr
("{arguments[0]}-'0'", ret
.as(not null)))
2415 else if pname
== "code_point" then
2416 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2419 else if cname
== "Byte" then
2420 if pname
== "output" then
2421 v
.add
("printf(\"%x\\n\
", {arguments.first});")
2423 else if pname
== "object_id" then
2424 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2426 else if pname
== "+" then
2427 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2429 else if pname
== "-" then
2430 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2432 else if pname
== "unary -" then
2433 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2435 else if pname
== "unary +" then
2438 else if pname
== "*" then
2439 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2441 else if pname
== "/" then
2442 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2444 else if pname
== "%" then
2445 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2447 else if pname
== "==" then
2448 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2450 else if pname
== "!=" then
2451 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2452 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2454 else if pname
== "<" then
2455 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2457 else if pname
== ">" then
2458 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2460 else if pname
== "<=" then
2461 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2463 else if pname
== ">=" then
2464 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2466 else if pname
== ">>" then
2467 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2469 else if pname
== "<<" then
2470 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2472 else if pname
== "&" then
2473 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
2475 else if pname
== "to_i" then
2476 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2478 else if pname
== "to_f" then
2479 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
2481 else if pname
== "to_i8" then
2482 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2484 else if pname
== "to_i16" then
2485 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2487 else if pname
== "to_u16" then
2488 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2490 else if pname
== "to_i32" then
2491 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2493 else if pname
== "to_u32" then
2494 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2496 else if pname
== "ascii" then
2497 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2500 else if cname
== "Bool" then
2501 if pname
== "output" then
2502 v
.add
("printf({arguments.first}?\"true\\n\
":\"false\\n\
");")
2504 else if pname
== "object_id" then
2505 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2507 else if pname
== "==" then
2508 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2510 else if pname
== "!=" then
2511 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2512 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2515 else if cname
== "Float" then
2516 if pname
== "output" then
2517 v
.add
("printf(\"%f\\n\
", {arguments.first});")
2519 else if pname
== "object_id" then
2520 v
.ret
(v
.new_expr
("(double){arguments.first}", ret
.as(not null)))
2522 else if pname
== "+" then
2523 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2525 else if pname
== "-" then
2526 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2528 else if pname
== "unary -" then
2529 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2531 else if pname
== "unary +" then
2534 else if pname
== "succ" then
2535 v
.ret
(v
.new_expr
("{arguments[0]}+1", ret
.as(not null)))
2537 else if pname
== "prec" then
2538 v
.ret
(v
.new_expr
("{arguments[0]}-1", ret
.as(not null)))
2540 else if pname
== "*" then
2541 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2543 else if pname
== "/" then
2544 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2546 else if pname
== "==" then
2547 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2549 else if pname
== "!=" then
2550 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2551 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2553 else if pname
== "<" then
2554 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2556 else if pname
== ">" then
2557 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2559 else if pname
== "<=" then
2560 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2562 else if pname
== ">=" then
2563 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2565 else if pname
== "to_i" then
2566 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2568 else if pname
== "to_b" then
2569 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2571 else if pname
== "to_i8" then
2572 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2574 else if pname
== "to_i16" then
2575 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2577 else if pname
== "to_u16" then
2578 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2580 else if pname
== "to_i32" then
2581 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2583 else if pname
== "to_u32" then
2584 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2587 else if cname
== "CString" then
2588 if pname
== "[]" then
2589 v
.ret
(v
.new_expr
("(unsigned char)((int){arguments[0]}[{arguments[1]}])", ret
.as(not null)))
2591 else if pname
== "[]=" then
2592 v
.add
("{arguments[0]}[{arguments[1]}]=(unsigned char){arguments[2]};")
2594 else if pname
== "copy_to" then
2595 v
.add
("memmove({arguments[1]}+{arguments[4]},{arguments[0]}+{arguments[3]},{arguments[2]});")
2597 else if pname
== "atoi" then
2598 v
.ret
(v
.new_expr
("atoi({arguments[0]});", ret
.as(not null)))
2600 else if pname
== "fast_cstring" then
2601 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2603 else if pname
== "==" then
2604 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2606 else if pname
== "!=" then
2607 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2608 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2610 else if pname
== "new" then
2611 var alloc
= v
.nit_alloc
(arguments
[1].to_s
, "CString")
2612 v
.ret
(v
.new_expr
("(char*){alloc}", ret
.as(not null)))
2614 else if pname
== "fetch_4_chars" then
2615 v
.ret
(v
.new_expr
("(long)*((uint32_t*)({arguments[0]} + {arguments[1]}))", ret
.as(not null)))
2617 else if pname
== "fetch_4_hchars" then
2618 v
.ret
(v
.new_expr
("(long)be32toh(*((uint32_t*)({arguments[0]} + {arguments[1]})))", ret
.as(not null)))
2621 else if cname
== "NativeArray" then
2622 return v
.native_array_def
(pname
, ret
, arguments
)
2623 else if cname
== "Int8" then
2624 if pname
== "output" then
2625 v
.add
("printf(\"%\
"PRIi8 \"\\n\
", {arguments.first});")
2627 else if pname
== "object_id" then
2628 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2630 else if pname
== "+" then
2631 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2633 else if pname
== "-" then
2634 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2636 else if pname
== "unary -" then
2637 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2639 else if pname
== "unary +" then
2642 else if pname
== "*" then
2643 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2645 else if pname
== "/" then
2646 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2648 else if pname
== "%" then
2649 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2651 else if pname
== "<<" then
2652 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2654 else if pname
== ">>" then
2655 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2657 else if pname
== "==" then
2658 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2660 else if pname
== "!=" then
2661 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2662 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2664 else if pname
== "<" then
2665 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2667 else if pname
== ">" then
2668 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2670 else if pname
== "<=" then
2671 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2673 else if pname
== ">=" then
2674 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2676 else if pname
== "to_i" then
2677 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2679 else if pname
== "to_b" then
2680 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2682 else if pname
== "to_i16" then
2683 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2685 else if pname
== "to_u16" then
2686 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2688 else if pname
== "to_i32" then
2689 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2691 else if pname
== "to_u32" then
2692 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2694 else if pname
== "to_f" then
2695 v
.ret
(v
.new_expr
("(double){arguments[0]}", 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
== "^" then
2704 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2706 else if pname
== "unary ~" then
2707 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2710 else if cname
== "Int16" then
2711 if pname
== "output" then
2712 v
.add
("printf(\"%\
"PRIi16 \"\\n\
", {arguments.first});")
2714 else if pname
== "object_id" then
2715 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2717 else if pname
== "+" then
2718 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2720 else if pname
== "-" then
2721 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2723 else if pname
== "unary -" then
2724 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2726 else if pname
== "unary +" then
2729 else if pname
== "*" then
2730 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2732 else if pname
== "/" then
2733 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2735 else if pname
== "%" then
2736 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2738 else if pname
== "<<" then
2739 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2741 else if pname
== ">>" then
2742 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2744 else if pname
== "==" then
2745 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2747 else if pname
== "!=" then
2748 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2749 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2751 else if pname
== "<" then
2752 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2754 else if pname
== ">" then
2755 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2757 else if pname
== "<=" then
2758 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2760 else if pname
== ">=" then
2761 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2763 else if pname
== "to_i" then
2764 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2766 else if pname
== "to_b" then
2767 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2769 else if pname
== "to_i8" then
2770 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2772 else if pname
== "to_u16" then
2773 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2775 else if pname
== "to_i32" then
2776 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2778 else if pname
== "to_u32" then
2779 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2781 else if pname
== "to_f" then
2782 v
.ret
(v
.new_expr
("(double){arguments[0]}", 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
== "^" then
2791 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2793 else if pname
== "unary ~" then
2794 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2797 else if cname
== "UInt16" then
2798 if pname
== "output" then
2799 v
.add
("printf(\"%\
"PRIu16 \"\\n\
", {arguments.first});")
2801 else if pname
== "object_id" then
2802 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2804 else if pname
== "+" then
2805 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2807 else if pname
== "-" then
2808 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2810 else if pname
== "unary -" then
2811 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2813 else if pname
== "unary +" then
2816 else if pname
== "*" then
2817 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2819 else if pname
== "/" then
2820 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2822 else if pname
== "%" then
2823 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2825 else if pname
== "<<" then
2826 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2828 else if pname
== ">>" then
2829 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2831 else if pname
== "==" then
2832 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2834 else if pname
== "!=" then
2835 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2836 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2838 else if pname
== "<" then
2839 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2841 else if pname
== ">" then
2842 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2844 else if pname
== "<=" then
2845 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2847 else if pname
== ">=" then
2848 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2850 else if pname
== "to_i" then
2851 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2853 else if pname
== "to_b" then
2854 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2856 else if pname
== "to_i8" then
2857 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2859 else if pname
== "to_i16" then
2860 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2862 else if pname
== "to_i32" then
2863 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
2865 else if pname
== "to_u32" then
2866 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2868 else if pname
== "to_f" then
2869 v
.ret
(v
.new_expr
("(double){arguments[0]}", 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
== "^" then
2878 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2880 else if pname
== "unary ~" then
2881 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2884 else if cname
== "Int32" then
2885 if pname
== "output" then
2886 v
.add
("printf(\"%\
"PRIi32 \"\\n\
", {arguments.first});")
2888 else if pname
== "object_id" then
2889 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2891 else if pname
== "+" then
2892 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2894 else if pname
== "-" then
2895 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2897 else if pname
== "unary -" then
2898 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2900 else if pname
== "unary +" then
2903 else if pname
== "*" then
2904 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2906 else if pname
== "/" then
2907 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2909 else if pname
== "%" then
2910 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2912 else if pname
== "<<" then
2913 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
2915 else if pname
== ">>" then
2916 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
2918 else if pname
== "==" then
2919 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
2921 else if pname
== "!=" then
2922 var res
= v
.equal_test
(arguments
[0], arguments
[1])
2923 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
2925 else if pname
== "<" then
2926 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
2928 else if pname
== ">" then
2929 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
2931 else if pname
== "<=" then
2932 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
2934 else if pname
== ">=" then
2935 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
2937 else if pname
== "to_i" then
2938 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
2940 else if pname
== "to_b" then
2941 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
2943 else if pname
== "to_i8" then
2944 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
2946 else if pname
== "to_i16" then
2947 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
2949 else if pname
== "to_u16" then
2950 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
2952 else if pname
== "to_u32" then
2953 v
.ret
(v
.new_expr
("(uint32_t){arguments[0]}", ret
.as(not null)))
2955 else if pname
== "to_f" then
2956 v
.ret
(v
.new_expr
("(double){arguments[0]}", 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
== "^" then
2965 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
2967 else if pname
== "unary ~" then
2968 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
2971 else if cname
== "UInt32" then
2972 if pname
== "output" then
2973 v
.add
("printf(\"%\
"PRIu32 \"\\n\
", {arguments.first});")
2975 else if pname
== "object_id" then
2976 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
2978 else if pname
== "+" then
2979 v
.ret
(v
.new_expr
("{arguments[0]} + {arguments[1]}", ret
.as(not null)))
2981 else if pname
== "-" then
2982 v
.ret
(v
.new_expr
("{arguments[0]} - {arguments[1]}", ret
.as(not null)))
2984 else if pname
== "unary -" then
2985 v
.ret
(v
.new_expr
("-{arguments[0]}", ret
.as(not null)))
2987 else if pname
== "unary +" then
2990 else if pname
== "*" then
2991 v
.ret
(v
.new_expr
("{arguments[0]} * {arguments[1]}", ret
.as(not null)))
2993 else if pname
== "/" then
2994 v
.ret
(v
.new_expr
("{arguments[0]} / {arguments[1]}", ret
.as(not null)))
2996 else if pname
== "%" then
2997 v
.ret
(v
.new_expr
("{arguments[0]} % {arguments[1]}", ret
.as(not null)))
2999 else if pname
== "<<" then
3000 v
.ret
(v
.new_expr
("{arguments[0]} << {arguments[1]}", ret
.as(not null)))
3002 else if pname
== ">>" then
3003 v
.ret
(v
.new_expr
("{arguments[0]} >> {arguments[1]}", ret
.as(not null)))
3005 else if pname
== "==" then
3006 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3008 else if pname
== "!=" then
3009 var res
= v
.equal_test
(arguments
[0], arguments
[1])
3010 v
.ret
(v
.new_expr
("!{res}", ret
.as(not null)))
3012 else if pname
== "<" then
3013 v
.ret
(v
.new_expr
("{arguments[0]} < {arguments[1]}", ret
.as(not null)))
3015 else if pname
== ">" then
3016 v
.ret
(v
.new_expr
("{arguments[0]} > {arguments[1]}", ret
.as(not null)))
3018 else if pname
== "<=" then
3019 v
.ret
(v
.new_expr
("{arguments[0]} <= {arguments[1]}", ret
.as(not null)))
3021 else if pname
== ">=" then
3022 v
.ret
(v
.new_expr
("{arguments[0]} >= {arguments[1]}", ret
.as(not null)))
3024 else if pname
== "to_i" then
3025 v
.ret
(v
.new_expr
("(long){arguments[0]}", ret
.as(not null)))
3027 else if pname
== "to_b" then
3028 v
.ret
(v
.new_expr
("(unsigned char){arguments[0]}", ret
.as(not null)))
3030 else if pname
== "to_i8" then
3031 v
.ret
(v
.new_expr
("(int8_t){arguments[0]}", ret
.as(not null)))
3033 else if pname
== "to_i16" then
3034 v
.ret
(v
.new_expr
("(int16_t){arguments[0]}", ret
.as(not null)))
3036 else if pname
== "to_u16" then
3037 v
.ret
(v
.new_expr
("(uint16_t){arguments[0]}", ret
.as(not null)))
3039 else if pname
== "to_i32" then
3040 v
.ret
(v
.new_expr
("(int32_t){arguments[0]}", ret
.as(not null)))
3042 else if pname
== "to_f" then
3043 v
.ret
(v
.new_expr
("(double){arguments[0]}", ret
.as(not null)))
3045 else if pname
== "&" then
3046 v
.ret
(v
.new_expr
("{arguments[0]} & {arguments[1]}", ret
.as(not null)))
3048 else if pname
== "|" then
3049 v
.ret
(v
.new_expr
("{arguments[0]} | {arguments[1]}", ret
.as(not null)))
3051 else if pname
== "^" then
3052 v
.ret
(v
.new_expr
("{arguments[0]} ^ {arguments[1]}", ret
.as(not null)))
3054 else if pname
== "unary ~" then
3055 v
.ret
(v
.new_expr
("~{arguments[0]}", ret
.as(not null)))
3059 if pname
== "exit" then
3060 v
.add
("exit({arguments[1]});")
3062 else if pname
== "sys" then
3063 v
.ret
(v
.new_expr
("glob_sys", ret
.as(not null)))
3065 else if pname
== "object_id" then
3066 v
.ret
(v
.new_expr
("(long){arguments.first}", ret
.as(not null)))
3068 else if pname
== "is_same_type" then
3069 v
.ret
(v
.is_same_type_test
(arguments
[0], arguments
[1]))
3071 else if pname
== "is_same_instance" then
3072 v
.ret
(v
.equal_test
(arguments
[0], arguments
[1]))
3074 else if pname
== "output_class_name" then
3075 var nat
= v
.class_name_string
(arguments
.first
)
3076 v
.add
("printf(\"%s\\n\
", {nat});")
3078 else if pname
== "native_class_name" then
3079 var nat
= v
.class_name_string
(arguments
.first
)
3080 v
.ret
(v
.new_expr
("(char*){nat}", ret
.as(not null)))
3082 else if pname
== "force_garbage_collection" then
3083 v
.add
("nit_gcollect();")
3085 else if pname
== "native_argc" then
3086 v
.ret
(v
.new_expr
("glob_argc", ret
.as(not null)))
3088 else if pname
== "native_argv" then
3089 v
.ret
(v
.new_expr
("glob_argv[{arguments[1]}]", ret
.as(not null)))
3095 # Compile an extern method
3096 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3097 fun compile_externmeth_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3100 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3101 if at
!= null and at
.n_args
.length
== 1 then
3102 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3103 if externname
== null then return false
3107 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3108 var res
: nullable RuntimeVariable = null
3109 var ret
= mpropdef
.msignature
.return_mtype
3111 ret
= v
.resolve_for
(ret
, arguments
.first
)
3112 res
= v
.new_var_extern
(ret
)
3114 v
.adapt_signature
(mpropdef
, arguments
)
3115 v
.unbox_signature_extern
(mpropdef
, arguments
)
3118 v
.add
("{externname}({arguments.join(", ")});")
3120 v
.add
("{res} = {externname}({arguments.join(", ")});")
3121 res
= v
.box_extern
(res
, ret
.as(not null))
3127 # Compile an extern factory
3128 # Return `true` if the compilation was successful, `false` if a fall-back is needed
3129 fun compile_externinit_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable]): Bool
3132 var at
= self.get_single_annotation
("extern", v
.compiler
.modelbuilder
)
3134 externname
= at
.arg_as_string
(v
.compiler
.modelbuilder
)
3135 if externname
== null then return false
3139 v
.add_extern
(mpropdef
.mclassdef
.mmodule
)
3140 v
.adapt_signature
(mpropdef
, arguments
)
3141 v
.unbox_signature_extern
(mpropdef
, arguments
)
3142 var ret
= arguments
.first
.mtype
3143 var res
= v
.new_var_extern
(ret
)
3147 v
.add
("{res} = {externname}({arguments.join(", ")});")
3148 res
= v
.box_extern
(res
, ret
)
3154 redef class AAttrPropdef
3155 redef fun can_inline
: Bool do return not is_lazy
3157 redef fun compile_to_c
(v
, mpropdef
, arguments
)
3159 if mpropdef
== mreadpropdef
then
3160 assert arguments
.length
== 1
3161 var recv
= arguments
.first
3165 var ret
= self.mtype
3166 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3167 var guard
= self.mlazypropdef
.mproperty
3169 set
= v
.isset_attribute
(self.mpropdef
.mproperty
, recv
)
3171 set
= v
.read_attribute
(guard
, recv
)
3173 v
.add
("if(likely({set})) \{")
3174 res
= v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3177 var value
= evaluate_expr
(v
, recv
)
3179 v
.assign
(res
, value
)
3181 var true_v
= v
.bool_instance
(true)
3182 v
.write_attribute
(guard
, arguments
.first
, true_v
)
3186 res
= v
.read_attribute
(self.mpropdef
.mproperty
, arguments
.first
)
3188 v
.assign
(v
.frame
.returnvar
.as(not null), res
)
3189 else if mpropdef
== mwritepropdef
then
3190 assert arguments
.length
== 2
3191 var recv
= arguments
.first
3192 var arg
= arguments
[1]
3193 if is_optional
and v
.maybenull
(arg
) then
3194 var value
= v
.new_var
(self.mpropdef
.static_mtype
.as(not null))
3195 v
.add
("if ({arg} == NULL) \{")
3196 v
.assign
(value
, evaluate_expr
(v
, recv
))
3198 v
.assign
(value
, arg
)
3202 v
.write_attribute
(self.mpropdef
.mproperty
, arguments
.first
, arg
)
3204 var ret
= self.mtype
3205 var useiset
= not ret
.is_c_primitive
and not ret
isa MNullableType
3207 v
.write_attribute
(self.mlazypropdef
.mproperty
, arguments
.first
, v
.bool_instance
(true))
3215 fun init_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3217 if has_value
and not is_lazy
and not is_optional
and not n_expr
isa ANullExpr then evaluate_expr
(v
, recv
)
3220 # Evaluate, store and return the default value of the attribute
3221 private fun evaluate_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable): RuntimeVariable
3223 var oldnode
= v
.current_node
3224 v
.current_node
= self
3225 var old_frame
= v
.frame
3226 var frame
= new StaticFrame(v
, self.mreadpropdef
.as(not null), recv
.mcasttype
.undecorate
.as(MClassType), [recv
])
3230 var mtype
= self.mtype
3231 assert mtype
!= null
3233 var nexpr
= self.n_expr
3234 var nblock
= self.n_block
3235 if nexpr
!= null then
3236 value
= v
.expr
(nexpr
, mtype
)
3237 else if nblock
!= null then
3238 value
= v
.new_var
(mtype
)
3239 frame
.returnvar
= value
3240 frame
.returnlabel
= v
.get_name
("RET_LABEL")
3243 v
.add
("{frame.returnlabel.as(not null)}:(void)0;")
3249 v
.write_attribute
(self.mpropdef
.mproperty
, recv
, value
)
3252 v
.current_node
= oldnode
3257 fun check_expr
(v
: AbstractCompilerVisitor, recv
: RuntimeVariable)
3259 var nexpr
= self.n_expr
3260 if nexpr
!= null then return
3262 var oldnode
= v
.current_node
3263 v
.current_node
= self
3264 var old_frame
= v
.frame
3265 var frame
= new StaticFrame(v
, self.mpropdef
.as(not null), recv
.mtype
.as(MClassType), [recv
])
3267 # Force read to check the initialization
3268 v
.read_attribute
(self.mpropdef
.mproperty
, recv
)
3270 v
.current_node
= oldnode
3274 redef class AClassdef
3275 private fun compile_to_c
(v
: AbstractCompilerVisitor, mpropdef
: MMethodDef, arguments
: Array[RuntimeVariable])
3277 if mpropdef
.mproperty
.is_root_init
then
3278 assert arguments
.length
== 1
3279 if not mpropdef
.is_intro
then
3280 v
.supercall
(mpropdef
, arguments
.first
.mtype
.as(MClassType), arguments
)
3290 # Try to compile self as an expression
3291 # Do not call this method directly, use `v.expr` instead
3292 private fun expr
(v
: AbstractCompilerVisitor): nullable RuntimeVariable
3294 v
.add
("PRINT_ERROR(\"NOT YET IMPLEMENTED {class_name}:{location.to_s}\\n\
");")
3295 var mtype
= self.mtype
3296 if mtype
== null then
3299 var res
= v
.new_var
(mtype
)
3300 v
.add
("/* {res} = NOT YET {class_name} */")
3305 # Try to compile self as a statement
3306 # Do not call this method directly, use `v.stmt` instead
3307 private fun stmt
(v
: AbstractCompilerVisitor)
3313 redef class ABlockExpr
3316 for e
in self.n_expr
do v
.stmt
(e
)
3320 var last
= self.n_expr
.last
3321 for e
in self.n_expr
do
3322 if e
== last
then break
3325 return v
.expr
(last
, null)
3329 redef class AVardeclExpr
3332 var variable
= self.variable
.as(not null)
3333 var ne
= self.n_expr
3335 var i
= v
.expr
(ne
, variable
.declared_type
)
3336 v
.assign
(v
.variable
(variable
), i
)
3341 redef class AVarExpr
3344 var res
= v
.variable
(self.variable
.as(not null))
3345 var mtype
= self.mtype
.as(not null)
3346 return v
.autoadapt
(res
, mtype
)
3350 redef class AVarAssignExpr
3353 var variable
= self.variable
.as(not null)
3354 var i
= v
.expr
(self.n_value
, variable
.declared_type
)
3355 v
.assign
(v
.variable
(variable
), i
)
3360 redef class AVarReassignExpr
3363 var variable
= self.variable
.as(not null)
3364 var vari
= v
.variable
(variable
)
3365 var value
= v
.expr
(self.n_value
, variable
.declared_type
)
3366 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [vari
, value
])
3368 v
.assign
(v
.variable
(variable
), res
)
3372 redef class ASelfExpr
3373 redef fun expr
(v
) do return v
.frame
.arguments
.first
3376 redef class AImplicitSelfExpr
3377 redef fun expr
(v
) do
3378 if not is_sys
then return super
3379 return v
.new_expr
("glob_sys", mtype
.as(not null))
3383 redef class AEscapeExpr
3384 redef fun stmt
(v
) do v
.add
("goto BREAK_{v.escapemark_name(self.escapemark)};")
3387 redef class AReturnExpr
3390 var nexpr
= self.n_expr
3391 if nexpr
!= null then
3392 var returnvar
= v
.frame
.returnvar
.as(not null)
3393 var i
= v
.expr
(nexpr
, returnvar
.mtype
)
3394 v
.assign
(returnvar
, i
)
3396 v
.add
("goto {v.frame.returnlabel.as(not null)};")
3400 redef class AAbortExpr
3401 redef fun stmt
(v
) do v
.add_abort
("Aborted")
3407 var cond
= v
.expr_bool
(self.n_expr
)
3408 v
.add
("if ({cond})\{")
3417 var res
= v
.new_var
(self.mtype
.as(not null))
3418 var cond
= v
.expr_bool
(self.n_expr
)
3419 v
.add
("if ({cond})\{")
3420 v
.assign
(res
, v
.expr
(self.n_then
.as(not null), null))
3422 v
.assign
(res
, v
.expr
(self.n_else
.as(not null), null))
3428 redef class AIfexprExpr
3431 var res
= v
.new_var
(self.mtype
.as(not null))
3432 var cond
= v
.expr_bool
(self.n_expr
)
3433 v
.add
("if ({cond})\{")
3434 v
.assign
(res
, v
.expr
(self.n_then
, null))
3436 v
.assign
(res
, v
.expr
(self.n_else
, null))
3445 if self.n_catch
!= null then
3446 v
.add
("catchStack.cursor += 1;")
3447 v
.add
("if(!setjmp(catchStack.envs[catchStack.cursor]))\{")
3448 v
.stmt
(self.n_block
)
3449 v
.add
("catchStack.cursor -= 1;")
3451 v
.add
("catchStack.cursor -= 1;")
3452 v
.stmt
(self.n_catch
)
3455 v
.stmt
(self.n_block
)
3457 v
.add_escape_label
(break_mark
)
3461 redef class AWhileExpr
3465 var cond
= v
.expr_bool
(self.n_expr
)
3466 v
.add
("if (!{cond}) break;")
3467 v
.stmt
(self.n_block
)
3468 v
.add_escape_label
(continue_mark
)
3470 v
.add_escape_label
(break_mark
)
3474 redef class ALoopExpr
3478 v
.stmt
(self.n_block
)
3479 v
.add_escape_label
(continue_mark
)
3481 v
.add_escape_label
(break_mark
)
3485 redef class AForExpr
3488 for g
in n_groups
do
3489 var cl
= v
.expr
(g
.n_expr
, null)
3490 var it_meth
= g
.method_iterator
3491 assert it_meth
!= null
3492 var it
= v
.compile_callsite
(it_meth
, [cl
])
3497 for g
in n_groups
do
3499 var isok_meth
= g
.method_is_ok
3500 assert isok_meth
!= null
3501 var ok
= v
.compile_callsite
(isok_meth
, [it
])
3503 v
.add
("if(!{ok}) break;")
3504 if g
.variables
.length
== 1 then
3505 var item_meth
= g
.method_item
3506 assert item_meth
!= null
3507 var i
= v
.compile_callsite
(item_meth
, [it
])
3509 v
.assign
(v
.variable
(g
.variables
.first
), i
)
3510 else if g
.variables
.length
== 2 then
3511 var key_meth
= g
.method_key
3512 assert key_meth
!= null
3513 var i
= v
.compile_callsite
(key_meth
, [it
])
3515 v
.assign
(v
.variable
(g
.variables
[0]), i
)
3516 var item_meth
= g
.method_item
3517 assert item_meth
!= null
3518 i
= v
.compile_callsite
(item_meth
, [it
])
3520 v
.assign
(v
.variable
(g
.variables
[1]), i
)
3525 v
.stmt
(self.n_block
)
3526 v
.add_escape_label
(continue_mark
)
3527 for g
in n_groups
do
3528 var next_meth
= g
.method_next
3529 assert next_meth
!= null
3530 v
.compile_callsite
(next_meth
, [g
.it
])
3533 v
.add_escape_label
(break_mark
)
3535 for g
in n_groups
do
3536 var method_finish
= g
.method_finish
3537 if method_finish
!= null then
3538 # TODO: Find a way to call this also in long escape (e.g. return)
3539 v
.compile_callsite
(method_finish
, [g
.it
])
3545 redef class AForGroup
3546 # C variable representing the iterator
3547 private var it
: RuntimeVariable is noinit
3550 redef class AAssertExpr
3553 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return
3555 var cond
= v
.expr_bool
(self.n_expr
)
3556 v
.add
("if (unlikely(!{cond})) \{")
3560 v
.add_abort
("Assert '{nid.text}' failed")
3562 v
.add_abort
("Assert failed")
3571 var res
= v
.new_var
(self.mtype
.as(not null))
3572 var i1
= v
.expr_bool
(self.n_expr
)
3573 v
.add
("if ({i1}) \{")
3576 var i2
= v
.expr_bool
(self.n_expr2
)
3577 v
.add
("{res} = {i2};")
3583 redef class AImpliesExpr
3586 var res
= v
.new_var
(self.mtype
.as(not null))
3587 var i1
= v
.expr_bool
(self.n_expr
)
3588 v
.add
("if (!{i1}) \{")
3591 var i2
= v
.expr_bool
(self.n_expr2
)
3592 v
.add
("{res} = {i2};")
3598 redef class AAndExpr
3601 var res
= v
.new_var
(self.mtype
.as(not null))
3602 var i1
= v
.expr_bool
(self.n_expr
)
3603 v
.add
("if (!{i1}) \{")
3606 var i2
= v
.expr_bool
(self.n_expr2
)
3607 v
.add
("{res} = {i2};")
3613 redef class ANotExpr
3616 var cond
= v
.expr_bool
(self.n_expr
)
3617 return v
.new_expr
("!{cond}", self.mtype
.as(not null))
3621 redef class AOrElseExpr
3624 var res
= v
.new_var
(self.mtype
.as(not null))
3625 var i1
= v
.expr
(self.n_expr
, null)
3627 if not v
.maybenull
(i1
) then return i1
3629 v
.add
("if ({i1}!=NULL) \{")
3632 var i2
= v
.expr
(self.n_expr2
, null)
3639 redef class AIntegerExpr
3640 redef fun expr
(v
) do
3641 if value
isa Int then return v
.int_instance
(value
.as(Int))
3642 if value
isa Byte then return v
.byte_instance
(value
.as(Byte))
3643 if value
isa Int8 then return v
.int8_instance
(value
.as(Int8))
3644 if value
isa Int16 then return v
.int16_instance
(value
.as(Int16))
3645 if value
isa UInt16 then return v
.uint16_instance
(value
.as(UInt16))
3646 if value
isa Int32 then return v
.int32_instance
(value
.as(Int32))
3647 if value
isa UInt32 then return v
.uint32_instance
(value
.as(UInt32))
3648 # Should never happen
3653 redef class AFloatExpr
3654 redef fun expr
(v
) do return v
.float_instance
("{self.n_float.text}") # FIXME use value, not n_float
3657 redef class ACharExpr
3658 redef fun expr
(v
) do
3659 if is_ascii
then return v
.byte_instance
(value
.as(not null).ascii
)
3660 if is_code_point
then return v
.int_instance
(value
.as(not null).code_point
)
3661 return v
.char_instance
(self.value
.as(not null))
3665 redef class AArrayExpr
3668 var mtype
= self.element_mtype
.as(not null)
3669 var array
= new Array[RuntimeVariable]
3670 var res
= v
.array_instance
(array
, mtype
)
3672 var old_comprehension
= v
.frame
.comprehension
3673 v
.frame
.comprehension
= res
3674 for nexpr
in self.n_exprs
do
3677 v
.frame
.comprehension
= old_comprehension
3683 redef class AugmentedStringFormExpr
3684 # Factorize the making of a `Regex` object from a literal prefixed string
3685 protected fun make_re
(v
: AbstractCompilerVisitor, rs
: RuntimeVariable): nullable RuntimeVariable do
3688 var res
= v
.compile_callsite
(re
, [rs
])
3690 print
"Cannot call property `to_re` on {self}"
3693 for i
in suffix
.chars
do
3695 var ign
= ignore_case
3697 v
.compile_callsite
(ign
, [res
, v
.bool_instance
(true)])
3703 v
.compile_callsite
(nl
, [res
, v
.bool_instance
(true)])
3709 v
.compile_callsite
(ext
, [res
, v
.bool_instance
(false)])
3712 # Should not happen, this needs to be updated
3713 # along with the addition of new suffixes
3720 redef class AStringFormExpr
3721 redef fun expr
(v
) do return v
.string_instance
(value
)
3724 redef class AStringExpr
3725 redef fun expr
(v
) do
3726 var s
= v
.string_instance
(value
)
3727 if is_string
then return s
3728 if is_bytestring
then
3729 var ns
= v
.c_string_instance
(bytes
.items
, bytes
.length
)
3730 var ln
= v
.int_instance
(bytes
.length
)
3731 var cs
= to_bytes_with_copy
3733 var res
= v
.compile_callsite
(cs
, [ns
, ln
])
3737 var res
= make_re
(v
, s
)
3741 print
"Unimplemented prefix or suffix for {self}"
3748 redef class ASuperstringExpr
3751 var type_string
= v
.mmodule
.string_type
3753 # Collect elements of the superstring
3754 var array
= new Array[AExpr]
3755 for ne
in self.n_exprs
do
3756 # Drop literal empty string.
3757 # They appears in things like "{a}" that is ["", a, ""]
3758 if ne
isa AStringFormExpr and ne
.value
== "" then continue # skip empty sub-strings
3762 # Store the allocated native array in a static variable
3764 var varonce
= v
.get_name
("varonce")
3765 v
.add
("if (unlikely({varonce}==NULL)) \{")
3767 # The native array that will contains the elements to_s-ized.
3768 # For fast concatenation.
3769 var a
= v
.native_array_instance
(type_string
, v
.int_instance
(array
.length
))
3771 v
.add_decl
("static {a.mtype.ctype} {varonce};")
3773 # Pre-fill the array with the literal string parts.
3774 # So they do not need to be filled again when reused
3775 for i
in [0..array
.length
[ do
3777 if not ne
isa AStringFormExpr then continue
3778 var e
= v
.expr
(ne
, null)
3779 v
.native_array_set
(a
, i
, e
)
3783 # Take the native-array from the store.
3784 # The point is to prevent that some recursive execution use (and corrupt) the same native array
3785 # WARNING: not thread safe! (FIXME?)
3786 v
.add
("{a} = {varonce};")
3787 v
.add
("{varonce} = NULL;")
3790 # Stringify the elements and put them in the native array
3791 var to_s_method
= v
.get_property
("to_s", v
.object_type
)
3792 for i
in [0..array
.length
[ do
3794 if ne
isa AStringFormExpr then continue
3795 var e
= v
.expr
(ne
, null)
3796 # Skip the `to_s` if the element is already a String
3797 if not e
.mcasttype
.is_subtype
(v
.compiler
.mainmodule
, null, type_string
) then
3798 e
= v
.send
(to_s_method
, [e
]).as(not null)
3800 v
.native_array_set
(a
, i
, e
)
3803 # Fast join the C string to get the result
3804 var res
= v
.send
(v
.get_property
("native_to_s", a
.mtype
), [a
])
3807 if is_re
then res
= make_re
(v
, res
)
3809 # We finish to work with the native array,
3810 # so store it so that it can be reused
3811 v
.add
("{varonce} = {a};")
3817 redef class ACrangeExpr
3820 var i1
= v
.expr
(self.n_expr
, null)
3821 var i2
= v
.expr
(self.n_expr2
, null)
3822 var mtype
= self.mtype
.as(MClassType)
3823 var res
= v
.init_instance
(mtype
)
3824 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
3829 redef class AOrangeExpr
3832 var i1
= v
.expr
(self.n_expr
, null)
3833 var i2
= v
.expr
(self.n_expr2
, null)
3834 var mtype
= self.mtype
.as(MClassType)
3835 var res
= v
.init_instance
(mtype
)
3836 v
.compile_callsite
(init_callsite
.as(not null), [res
, i1
, i2
])
3841 redef class ATrueExpr
3842 redef fun expr
(v
) do return v
.bool_instance
(true)
3845 redef class AFalseExpr
3846 redef fun expr
(v
) do return v
.bool_instance
(false)
3849 redef class ANullExpr
3850 redef fun expr
(v
) do return v
.null_instance
3853 redef class AIsaExpr
3856 var i
= v
.expr
(self.n_expr
, null)
3857 var cast_type
= self.cast_type
3858 if cast_type
== null then return null # no-no on broken node
3859 return v
.type_test
(i
, cast_type
, "isa")
3863 redef class AAsCastExpr
3866 var i
= v
.expr
(self.n_expr
, null)
3867 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
3869 v
.add_cast
(i
, self.mtype
.as(not null), "as")
3874 redef class AAsNotnullExpr
3877 var i
= v
.expr
(self.n_expr
, null)
3878 if v
.compiler
.modelbuilder
.toolcontext
.opt_no_check_assert
.value
then return i
3880 if not v
.maybenull
(i
) then return i
3882 v
.add
("if (unlikely({i} == NULL)) \{")
3883 v
.add_abort
("Cast failed")
3889 redef class AParExpr
3890 redef fun expr
(v
) do return v
.expr
(self.n_expr
, null)
3893 redef class AOnceExpr
3896 var mtype
= self.mtype
.as(not null)
3897 var name
= v
.get_name
("varonce")
3898 var guard
= v
.get_name
(name
+ "_guard")
3899 v
.add_decl
("static {mtype.ctype} {name};")
3900 v
.add_decl
("static int {guard};")
3901 var res
= v
.new_var
(mtype
)
3902 v
.add
("if (likely({guard})) \{")
3903 v
.add
("{res} = {name};")
3905 var i
= v
.expr
(self.n_expr
, mtype
)
3906 v
.add
("{res} = {i};")
3907 v
.add
("{name} = {res};")
3908 v
.add
("{guard} = 1;")
3914 redef class ASendExpr
3917 var recv
= v
.expr
(self.n_expr
, null)
3918 var callsite
= self.callsite
.as(not null)
3919 if callsite
.is_broken
then return null
3920 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
3921 return v
.compile_callsite
(callsite
, args
)
3925 redef class ASendReassignFormExpr
3928 var recv
= v
.expr
(self.n_expr
, null)
3929 var callsite
= self.callsite
.as(not null)
3930 if callsite
.is_broken
then return
3931 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.raw_arguments
)
3933 var value
= v
.expr
(self.n_value
, null)
3935 var left
= v
.compile_callsite
(callsite
, args
)
3938 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [left
, value
])
3942 v
.compile_callsite
(self.write_callsite
.as(not null), args
)
3946 redef class ASuperExpr
3949 var frame
= v
.frame
.as(not null)
3950 var recv
= frame
.arguments
.first
3952 var callsite
= self.callsite
3953 if callsite
!= null then
3954 if callsite
.is_broken
then return null
3957 if self.n_args
.n_exprs
.is_empty
then
3958 # Add automatic arguments for the super init call
3960 for i
in [0..callsite
.msignature
.arity
[ do
3961 args
.add
(frame
.arguments
[i
+1])
3964 args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
3968 var res
= v
.compile_callsite
(callsite
, args
)
3972 var mpropdef
= self.mpropdef
.as(not null)
3975 if self.n_args
.n_exprs
.is_empty
then
3976 args
= frame
.arguments
3978 args
= v
.varargize
(mpropdef
, signaturemap
, recv
, self.n_args
.n_exprs
)
3981 # Standard call-next-method
3982 return v
.supercall
(mpropdef
, recv
.mtype
.as(MClassType), args
)
3986 redef class ANewExpr
3989 var mtype
= self.recvtype
3990 assert mtype
!= null
3992 if mtype
.mclass
.name
== "NativeArray" then
3993 assert self.n_args
.n_exprs
.length
== 1
3994 var l
= v
.expr
(self.n_args
.n_exprs
.first
, null)
3995 assert mtype
isa MGenericType
3996 var elttype
= mtype
.arguments
.first
3997 return v
.native_array_instance
(elttype
, l
)
4000 var callsite
= self.callsite
4001 if callsite
== null then return v
.init_instance_or_extern
(mtype
)
4002 if callsite
.is_broken
then return null
4005 # new factories are badly implemented.
4006 # They assume a stub temporary receiver exists.
4007 # This temporary receiver is required because it
4008 # currently holds the method and the formal types.
4010 # However, this object could be reused if the formal types are the same.
4011 # Therefore, the following code will `once` it in these case
4012 if callsite
.mproperty
.is_new
and not mtype
.need_anchor
then
4013 var name
= v
.get_name
("varoncenew")
4014 var guard
= v
.get_name
(name
+ "_guard")
4015 v
.add_decl
("static {mtype.ctype} {name};")
4016 v
.add_decl
("static int {guard};")
4017 recv
= v
.new_var
(mtype
)
4018 v
.add
("if (likely({guard})) \{")
4019 v
.add
("{recv} = {name};")
4021 var i
= v
.init_instance_or_extern
(mtype
)
4022 v
.add
("{recv} = {i};")
4023 v
.add
("{name} = {recv};")
4024 v
.add
("{guard} = 1;")
4027 recv
= v
.init_instance_or_extern
(mtype
)
4030 var args
= v
.varargize
(callsite
.mpropdef
, callsite
.signaturemap
, recv
, self.n_args
.n_exprs
)
4031 var res2
= v
.compile_callsite
(callsite
, args
)
4032 if res2
!= null then
4033 #self.debug("got {res2} from {mproperty}. drop {recv}")
4040 redef class AAttrExpr
4043 var recv
= v
.expr
(self.n_expr
, null)
4044 var mproperty
= self.mproperty
.as(not null)
4045 return v
.read_attribute
(mproperty
, recv
)
4049 redef class AAttrAssignExpr
4052 var recv
= v
.expr
(self.n_expr
, null)
4053 var i
= v
.expr
(self.n_value
, null)
4054 var mproperty
= self.mproperty
.as(not null)
4055 v
.write_attribute
(mproperty
, recv
, i
)
4060 redef class AAttrReassignExpr
4063 var recv
= v
.expr
(self.n_expr
, null)
4064 var value
= v
.expr
(self.n_value
, null)
4065 var mproperty
= self.mproperty
.as(not null)
4066 var attr
= v
.read_attribute
(mproperty
, recv
)
4067 var res
= v
.compile_callsite
(self.reassign_callsite
.as(not null), [attr
, value
])
4069 v
.write_attribute
(mproperty
, recv
, res
)
4073 redef class AIssetAttrExpr
4076 var recv
= v
.expr
(self.n_expr
, null)
4077 var mproperty
= self.mproperty
.as(not null)
4078 return v
.isset_attribute
(mproperty
, recv
)
4082 redef class AVarargExpr
4085 return v
.expr
(self.n_expr
, null)
4089 redef class ANamedargExpr
4092 return v
.expr
(self.n_expr
, null)
4096 redef class ADebugTypeExpr
4105 redef class Array[E
]
4106 # Return a new `Array` with the elements only contened in self and not in `o`
4107 fun -(o
: Array[E
]): Array[E
] do
4108 var res
= new Array[E
]
4109 for e
in self do if not o
.has
(e
) then res
.add
(e
)
4115 # All `MProperty` associated to all `MClassDef` of `mclass`
4116 fun properties
(mclass
: MClass): Set[MProperty] do
4117 if not self.properties_cache
.has_key
(mclass
) then
4118 var properties
= new HashSet[MProperty]
4119 var parents
= new Array[MClass]
4120 if self.flatten_mclass_hierarchy
.has
(mclass
) then
4121 parents
.add_all
(mclass
.in_hierarchy
(self).direct_greaters
)
4123 for parent
in parents
do
4124 properties
.add_all
(self.properties
(parent
))
4126 for mclassdef
in mclass
.mclassdefs
do
4127 if not self.in_importation
<= mclassdef
.mmodule
then continue
4128 for mprop
in mclassdef
.intro_mproperties
do
4129 properties
.add
(mprop
)
4132 self.properties_cache
[mclass
] = properties
4134 return properties_cache
[mclass
]
4136 private var properties_cache
: Map[MClass, Set[MProperty]] = new HashMap[MClass, Set[MProperty]]
4138 # Write FFI and nitni results to file
4139 fun finalize_ffi
(c
: AbstractCompiler) do end
4141 # Give requided addinional system libraries (as given to LD_LIBS)
4142 # Note: can return null instead of an empty set
4143 fun collect_linker_libs
: nullable Array[String] do return null
4146 # Create a tool context to handle options and paths
4147 var toolcontext
= new ToolContext
4149 toolcontext
.tooldescription
= "Usage: nitc [OPTION]... file.nit...\nCompiles Nit programs."
4151 # We do not add other options, so process them now!
4152 toolcontext
.process_options
(args
)
4154 # We need a model to collect stufs
4155 var model
= new Model
4156 # An a model builder to parse files
4157 var modelbuilder
= new ModelBuilder(model
, toolcontext
)
4159 var arguments
= toolcontext
.option_context
.rest
4160 if arguments
.length
> 1 and toolcontext
.opt_output
.value
!= null then
4161 print
"Option Error: --output needs a single source file. Do you prefer --dir?"
4165 # Here we load an process all modules passed on the command line
4166 var mmodules
= modelbuilder
.parse
(arguments
)
4168 if mmodules
.is_empty
then toolcontext
.quit
4170 modelbuilder
.run_phases
4172 for mmodule
in mmodules
do
4173 toolcontext
.info
("*** PROCESS {mmodule} ***", 1)
4175 toolcontext
.run_global_phases
(ms
)