import typing
import auto_super_init
import frontend
+import platform
+import c_tools
# Add compiling options
redef class ToolContext
var opt_cc_path: OptionArray = new OptionArray("Set include path for C header files (may be used more than once)", "--cc-path")
# --make-flags
var opt_make_flags: OptionString = new OptionString("Additional options to make", "--make-flags")
+ # --compile-dir
+ var opt_compile_dir: OptionString = new OptionString("Directory used to generate temporary files", "--compile-dir")
# --hardening
var opt_hardening: OptionBool = new OptionBool("Generate contracts in the C code against bugs in the compiler", "--hardening")
# --no-shortcut-range
var opt_no_shortcut_range: OptionBool = new OptionBool("Always insantiate a range and its iterator on 'for' loops", "--no-shortcut-range")
# --no-check-covariance
var opt_no_check_covariance: OptionBool = new OptionBool("Disable type tests of covariant parameters (dangerous)", "--no-check-covariance")
- # --no-check-initialization
- var opt_no_check_initialization: OptionBool = new OptionBool("Disable isset tests at the end of constructors (dangerous)", "--no-check-initialization")
+ # --no-check-attr-isset
+ var opt_no_check_attr_isset: OptionBool = new OptionBool("Disable isset tests before each attribute access (dangerous)", "--no-check-attr-isset")
# --no-check-assert
var opt_no_check_assert: OptionBool = new OptionBool("Disable the evaluation of explicit 'assert' and 'as' (dangerous)", "--no-check-assert")
# --no-check-autocast
var opt_no_check_other: OptionBool = new OptionBool("Disable implicit tests: unset attribute, null receiver (dangerous)", "--no-check-other")
# --typing-test-metrics
var opt_typing_test_metrics: OptionBool = new OptionBool("Enable static and dynamic count of all type tests", "--typing-test-metrics")
+ # --invocation-metrics
+ var opt_invocation_metrics: OptionBool = new OptionBool("Enable static and dynamic count of all method invocations", "--invocation-metrics")
+ # --stacktrace
+ var opt_stacktrace: OptionString = new OptionString("Control the generation of stack traces", "--stacktrace")
+ # --no-gcc-directives
+ var opt_no_gcc_directive = new OptionArray("Disable a advanced gcc directives for optimization", "--no-gcc-directive")
redef init
do
super
- self.option_context.add_option(self.opt_output, self.opt_no_cc, self.opt_make_flags, self.opt_hardening, self.opt_no_shortcut_range)
- self.option_context.add_option(self.opt_no_check_covariance, self.opt_no_check_initialization, self.opt_no_check_assert, self.opt_no_check_autocast, self.opt_no_check_other)
- self.option_context.add_option(self.opt_typing_test_metrics)
+ self.option_context.add_option(self.opt_output, self.opt_no_cc, self.opt_make_flags, self.opt_compile_dir, self.opt_hardening, self.opt_no_shortcut_range)
+ 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_other)
+ self.option_context.add_option(self.opt_typing_test_metrics, self.opt_invocation_metrics)
+ self.option_context.add_option(self.opt_stacktrace)
+ self.option_context.add_option(self.opt_no_gcc_directive)
+ end
+
+ redef fun process_options(args)
+ do
+ super
+
+ var st = opt_stacktrace.value
+ if st == null or st == "none" or st == "libunwind" or st == "nitstack" then
+ # Fine, do nothing
+ else if st == "auto" then
+ # Default just unset
+ opt_stacktrace.value = null
+ else
+ print "Error: unknown value `{st}` for --stacktrace. Use `none`, `libunwind`, `nitstack` or `auto`."
+ exit(1)
+ end
end
end
redef class ModelBuilder
+ # The compilation directory
+ var compile_dir: String
+
+ # Simple indirection to `Toolchain::write_and_make`
+ protected fun write_and_make(compiler: AbstractCompiler)
+ do
+ var platform = compiler.mainmodule.target_platform
+ var toolchain
+ if platform == null then
+ toolchain = new MakefileToolchain(toolcontext)
+ else
+ toolchain = platform.toolchain(toolcontext)
+ end
+ compile_dir = toolchain.compile_dir
+ toolchain.write_and_make compiler
+ end
+end
+
+redef class Platform
+ fun toolchain(toolcontext: ToolContext): Toolchain is abstract
+end
+
+class Toolchain
+ var toolcontext: ToolContext
+
+ fun compile_dir: String
+ do
+ var compile_dir = toolcontext.opt_compile_dir.value
+ if compile_dir == null then compile_dir = ".nit_compile"
+ return compile_dir
+ end
+
+ fun write_and_make(compiler: AbstractCompiler) is abstract
+end
+
+class MakefileToolchain
+ super Toolchain
# The list of directories to search for included C headers (-I for C compilers)
# The list is initially set with :
# * the toolcontext --cc-path option
# * the NIT_CC_PATH environment variable
- # * some heuristics including the NIT_DIR environment variable and the progname of the process
+ # * `toolcontext.nit_dir`
# Path can be added (or removed) by the client
var cc_paths = new Array[String]
- redef init(model, toolcontext)
+ protected fun gather_cc_paths
do
- super
-
# Look for the the Nit clib path
- var path_env = "NIT_DIR".environ
- if not path_env.is_empty then
+ var path_env = toolcontext.nit_dir
+ if path_env != null then
var libname = "{path_env}/clib"
if libname.file_exists then cc_paths.add(libname)
end
- var libname = "{sys.program_name.dirname}/../clib"
- if libname.file_exists then cc_paths.add(libname.simplify_path)
-
if cc_paths.is_empty then
toolcontext.error(null, "Cannot determine the nit clib path. define envvar NIT_DIR.")
end
if not path_env.is_empty then
cc_paths.append(path_env.split_with(':'))
end
-
end
- protected fun write_and_make(compiler: AbstractCompiler)
+ redef fun write_and_make(compiler)
do
+ gather_cc_paths
+
var mainmodule = compiler.mainmodule
+ var compile_dir = compile_dir
# Generate the .h and .c files
# A single C file regroups many compiled rumtime functions
var time0 = get_time
self.toolcontext.info("*** WRITING C ***", 1)
- var compile_dir = ".nit_compile"
compile_dir.mkdir
- var orig_dir=".." # FIXME only works if `compile_dir` is a subdirectory of cwd
+ var cfiles = new Array[String]
+ write_files(compiler, compile_dir, cfiles)
- var outname = self.toolcontext.opt_output.value
- if outname == null then
- outname = "{mainmodule.name}"
+ # Generate the Makefile
+
+ write_makefile(compiler, compile_dir, cfiles)
+
+ var time1 = get_time
+ self.toolcontext.info("*** END WRITING C: {time1-time0} ***", 2)
+
+ # Execute the Makefile
+
+ if self.toolcontext.opt_no_cc.value then return
+
+ time0 = time1
+ self.toolcontext.info("*** COMPILING C ***", 1)
+
+ compile_c_code(compiler, compile_dir)
+
+ time1 = get_time
+ self.toolcontext.info("*** END COMPILING C: {time1-time0} ***", 2)
+ end
+
+ fun write_files(compiler: AbstractCompiler, compile_dir: String, cfiles: Array[String])
+ do
+ if self.toolcontext.opt_stacktrace.value == "nitstack" then compiler.build_c_to_nit_bindings
+
+ # Add gc_choser.h to aditionnal bodies
+ var gc_chooser = new ExternCFile("gc_chooser.c", "-DWITH_LIBGC")
+ compiler.extern_bodies.add(gc_chooser)
+ compiler.files_to_copy.add "{cc_paths.first}/gc_chooser.c"
+ compiler.files_to_copy.add "{cc_paths.first}/gc_chooser.h"
+
+ # FFI
+ var m2m = toolcontext.modelbuilder.mmodule2nmodule
+ for m in compiler.mainmodule.in_importation.greaters do
+ compiler.finalize_ffi_for_module(m)
+ end
+
+ # Copy original .[ch] files to compile_dir
+ for src in compiler.files_to_copy do
+ var basename = src.basename("")
+ var dst = "{compile_dir}/{basename}"
+ src.file_copy_to dst
end
- var outpath = orig_dir.join_path(outname).simplify_path
var hfilename = compiler.header.file.name + ".h"
var hfilepath = "{compile_dir}/{hfilename}"
end
h.close
- var cfiles = new Array[String]
-
for f in compiler.files do
var i = 0
var hfile: nullable OFStream = null
hfile.write "#include \"{hfilename}\"\n"
for key in f.required_declarations do
if not compiler.provided_declarations.has_key(key) then
- print "No provided declaration for {key}"
+ var node = compiler.requirers_of_declarations.get_or_null(key)
+ if node != null then
+ node.debug "No provided declaration for {key}"
+ else
+ print "No provided declaration for {key}"
+ end
abort
end
hfile.write compiler.provided_declarations[key]
end
self.toolcontext.info("Total C source files to compile: {cfiles.length}", 2)
+ end
- # Generate the Makefile
+ fun write_makefile(compiler: AbstractCompiler, compile_dir: String, cfiles: Array[String])
+ do
+ var mainmodule = compiler.mainmodule
+
+ var outname = self.toolcontext.opt_output.value
+ if outname == null then
+ outname = "{mainmodule.name}"
+ end
+ var orig_dir=".." # FIXME only works if `compile_dir` is a subdirectory of cwd
+ var outpath = orig_dir.join_path(outname).simplify_path
var makename = "{mainmodule.name}.mk"
var makepath = "{compile_dir}/{makename}"
var makefile = new OFStream.open(makepath)
var cc_includes = ""
for p in cc_paths do
- p = orig_dir.join_path(p).simplify_path
cc_includes += " -I \"" + p + "\""
end
- makefile.write("CC = ccache cc\nCFLAGS = -g -O2\nCINCL = {cc_includes}\nLDFLAGS ?= \nLDLIBS ?= -lm -lgc\n\n")
+
+ var linker_options = new HashSet[String]
+ var m2m = toolcontext.modelbuilder.mmodule2nmodule
+ for m in mainmodule.in_importation.greaters do
+ var libs = m.collect_linker_libs
+ if libs != null then linker_options.add_all(libs)
+ end
+
+ var ost = toolcontext.opt_stacktrace.value
+ if ost == "libunwind" or ost == "nitstack" then linker_options.add("-lunwind")
+
+ makefile.write("CC = ccache cc\nCFLAGS = -g -O2\nCINCL = {cc_includes}\nLDFLAGS ?= \nLDLIBS ?= -lm -lgc {linker_options.join(" ")}\n\n")
makefile.write("all: {outpath}\n\n")
var ofiles = new Array[String]
+ var dep_rules = new Array[String]
# Compile each generated file
for f in cfiles do
var o = f.strip_extension(".c") + ".o"
- makefile.write("{o}: {f}\n\t$(CC) $(CFLAGS) $(CINCL) -D NONITCNI -c -o {o} {f}\n\n")
+ makefile.write("{o}: {f}\n\t$(CC) $(CFLAGS) $(CINCL) -c -o {o} {f}\n\n")
ofiles.add(o)
+ dep_rules.add(o)
end
- # Add gc_choser.h to aditionnal bodies
- var gc_chooser = new ExternCFile("{cc_paths.first}/gc_chooser.c", "-DWITH_LIBGC")
- compiler.extern_bodies.add(gc_chooser)
+ var java_files = new Array[ExternFile]
# Compile each required extern body into a specific .o
for f in compiler.extern_bodies do
- var basename = f.filename.basename(".c")
- var o = "{basename}.extern.o"
- var ff = orig_dir.join_path(f.filename).simplify_path
- makefile.write("{o}: {ff}\n\t$(CC) $(CFLAGS) -D NONITCNI {f.cflags} -c -o {o} {ff}\n\n")
- ofiles.add(o)
+ var o = f.makefile_rule_name
+ var ff = f.filename.basename("")
+ makefile.write("{o}: {ff}\n")
+ makefile.write("\t{f.makefile_rule_content}\n\n")
+ dep_rules.add(f.makefile_rule_name)
+
+ if f.compiles_to_o_file then ofiles.add(o)
+ if f.add_to_jar then java_files.add(f)
+ end
+
+ if not java_files.is_empty then
+ var jar_file = "{outpath}.jar"
+
+ var class_files_array = new Array[String]
+ for f in java_files do class_files_array.add(f.makefile_rule_name)
+ var class_files = class_files_array.join(" ")
+
+ makefile.write("{jar_file}: {class_files}\n")
+ makefile.write("\tjar cf {jar_file} {class_files}\n\n")
+ dep_rules.add jar_file
end
# Link edition
- makefile.write("{outpath}: {ofiles.join(" ")}\n\t$(CC) $(LDFLAGS) -o {outpath} {ofiles.join(" ")} $(LDLIBS)\n\n")
+ makefile.write("{outpath}: {dep_rules.join(" ")}\n\t$(CC) $(LDFLAGS) -o {outpath} {ofiles.join(" ")} $(LDLIBS)\n\n")
# Clean
makefile.write("clean:\n\trm {ofiles.join(" ")} 2>/dev/null\n\n")
makefile.close
self.toolcontext.info("Generated makefile: {makepath}", 2)
+ end
- var time1 = get_time
- self.toolcontext.info("*** END WRITING C: {time1-time0} ***", 2)
-
- # Execute the Makefile
-
- if self.toolcontext.opt_no_cc.value then return
+ fun compile_c_code(compiler: AbstractCompiler, compile_dir: String)
+ do
+ var makename = "{compiler.mainmodule.name}.mk" # FIXME duplicated from write_makefile
- time0 = time1
- self.toolcontext.info("*** COMPILING C ***", 1)
var makeflags = self.toolcontext.opt_make_flags.value
if makeflags == null then makeflags = ""
self.toolcontext.info("make -B -C {compile_dir} -f {makename} -j 4 {makeflags}", 2)
if res != 0 then
toolcontext.error(null, "make failed! Error code: {res}.")
end
-
- time1 = get_time
- self.toolcontext.info("*** END COMPILING C: {time1-time0} ***", 2)
end
end
abstract class AbstractCompiler
type VISITOR: AbstractCompilerVisitor
+ # Table corresponding c_names to nit names (methods)
+ var names = new HashMap[String, String]
+
# The main module of the program currently compiled
# Is assigned during the separate compilation
var mainmodule: MModule writable
private var provided_declarations = new HashMap[String, String]
+ private var requirers_of_declarations = new HashMap[String, ANode]
+
+ # Builds the .c and .h files to be used when generating a Stack Trace
+ # Binds the generated C function names to Nit function names
+ fun build_c_to_nit_bindings
+ do
+ var compile_dir = modelbuilder.compile_dir
+
+ var stream = new OFStream.open("{compile_dir}/c_functions_hash.c")
+ stream.write("#include <string.h>\n")
+ stream.write("#include <stdlib.h>\n")
+ stream.write("#include \"c_functions_hash.h\"\n")
+ stream.write("typedef struct C_Nit_Names\{char* name; char* nit_name;\}C_Nit_Names;\n")
+ stream.write("const char* get_nit_name(register const char* procproc, register unsigned int len)\{\n")
+ stream.write("char* procname = malloc(len+1);")
+ stream.write("memcpy(procname, procproc, len);")
+ stream.write("procname[len] = '\\0';")
+ stream.write("static const C_Nit_Names map[{names.length}] = \{\n")
+ for i in names.keys do
+ stream.write("\{\"")
+ stream.write(i)
+ stream.write("\",\"")
+ stream.write(names[i])
+ stream.write("\"\},\n")
+ end
+ stream.write("\};\n")
+ stream.write("int i;")
+ stream.write("for(i = 0; i < {names.length}; i++)\{")
+ stream.write("if(strcmp(procname,map[i].name) == 0)\{")
+ stream.write("free(procname);")
+ stream.write("return map[i].nit_name;")
+ stream.write("\}")
+ stream.write("\}")
+ stream.write("free(procname);")
+ stream.write("return NULL;")
+ stream.write("\}\n")
+ stream.close
+
+ stream = new OFStream.open("{compile_dir}/c_functions_hash.h")
+ stream.write("const char* get_nit_name(register const char* procname, register unsigned int len);\n")
+ stream.close
+
+ extern_bodies.add(new ExternCFile("{compile_dir}/c_functions_hash.c", ""))
+ end
+
# Compile C headers
# This method call compile_header_strucs method that has to be refined
fun compile_header do
var v = self.header
+ var toolctx = modelbuilder.toolcontext
self.header.add_decl("#include <stdlib.h>")
self.header.add_decl("#include <stdio.h>")
self.header.add_decl("#include <string.h>")
- self.header.add_decl("#include <gc_chooser.h>")
+ self.header.add_decl("#include \"gc_chooser.h\"")
compile_header_structs
+ compile_nitni_structs
+
+ var gccd_disable = modelbuilder.toolcontext.opt_no_gcc_directive.value
+ if gccd_disable.has("noreturn") or gccd_disable.has("all") then
+ # Signal handler function prototype
+ self.header.add_decl("void show_backtrace(int);")
+ else
+ self.header.add_decl("void show_backtrace(int) __attribute__ ((noreturn));")
+ end
- # Global variable used by the legacy native interface
+ if gccd_disable.has("likely") or gccd_disable.has("all") then
+ self.header.add_decl("#define likely(x) (x)")
+ self.header.add_decl("#define unlikely(x) (x)")
+ else if gccd_disable.has("correct-likely") then
+ # invert the `likely` definition
+ # Used by masochists to bench the worst case
+ self.header.add_decl("#define likely(x) __builtin_expect((x),0)")
+ self.header.add_decl("#define unlikely(x) __builtin_expect((x),1)")
+ else
+ self.header.add_decl("#define likely(x) __builtin_expect((x),1)")
+ self.header.add_decl("#define unlikely(x) __builtin_expect((x),0)")
+ end
+
+ # Global variable used by intern methods
self.header.add_decl("extern int glob_argc;")
self.header.add_decl("extern char **glob_argv;")
self.header.add_decl("extern val *glob_sys;")
end
- # Declaration of structures the live Nit types
+ # Declaration of structures for live Nit types
protected fun compile_header_structs is abstract
+ # Declaration of structures for nitni undelying the FFI
+ protected fun compile_nitni_structs is abstract
+
# Generate the main C function.
# This function:
# * allocate the Sys object if it exists
fun compile_main_function
do
var v = self.new_visitor
+ v.add_decl("#include <signal.h>")
+ var ost = modelbuilder.toolcontext.opt_stacktrace.value
+
+ if ost == null then
+ ost = "nitstack"
+ modelbuilder.toolcontext.opt_stacktrace.value = ost
+ end
+
+ if ost == "nitstack" or ost == "libunwind" then
+ v.add_decl("#define UNW_LOCAL_ONLY")
+ v.add_decl("#include <libunwind.h>")
+ if ost == "nitstack" then
+ v.add_decl("#include \"c_functions_hash.h\"")
+ end
+ end
v.add_decl("int glob_argc;")
v.add_decl("char **glob_argv;")
v.add_decl("val *glob_sys;")
v.compiler.header.add_decl("extern long count_type_test_skipped_{tag};")
end
end
+
+ if self.modelbuilder.toolcontext.opt_invocation_metrics.value then
+ v.add_decl("long count_invoke_by_tables;")
+ v.add_decl("long count_invoke_by_direct;")
+ v.add_decl("long count_invoke_by_inline;")
+ v.compiler.header.add_decl("extern long count_invoke_by_tables;")
+ v.compiler.header.add_decl("extern long count_invoke_by_direct;")
+ v.compiler.header.add_decl("extern long count_invoke_by_inline;")
+ end
+
+ v.add_decl("void sig_handler(int signo)\{")
+ v.add_decl("printf(\"Caught signal : %s\\n\", strsignal(signo));")
+ v.add_decl("show_backtrace(signo);")
+ v.add_decl("\}")
+
+ v.add_decl("void show_backtrace (int signo) \{")
+ if ost == "nitstack" or ost == "libunwind" then
+ v.add_decl("char* opt = getenv(\"NIT_NO_STACK\");")
+ v.add_decl("unw_cursor_t cursor;")
+ v.add_decl("if(opt==NULL)\{")
+ v.add_decl("unw_context_t uc;")
+ v.add_decl("unw_word_t ip;")
+ v.add_decl("char* procname = malloc(sizeof(char) * 100);")
+ v.add_decl("unw_getcontext(&uc);")
+ v.add_decl("unw_init_local(&cursor, &uc);")
+ v.add_decl("printf(\"-------------------------------------------------\\n\");")
+ v.add_decl("printf(\"-- Stack Trace ------------------------------\\n\");")
+ v.add_decl("printf(\"-------------------------------------------------\\n\");")
+ v.add_decl("while (unw_step(&cursor) > 0) \{")
+ v.add_decl(" unw_get_proc_name(&cursor, procname, 100, &ip);")
+ if ost == "nitstack" then
+ v.add_decl(" const char* recv = get_nit_name(procname, strlen(procname));")
+ v.add_decl(" if (recv != NULL)\{")
+ v.add_decl(" printf(\"` %s\\n\", recv);")
+ v.add_decl(" \}else\{")
+ v.add_decl(" printf(\"` %s\\n\", procname);")
+ v.add_decl(" \}")
+ else
+ v.add_decl(" printf(\"` %s \\n\",procname);")
+ end
+ v.add_decl("\}")
+ v.add_decl("printf(\"-------------------------------------------------\\n\");")
+ v.add_decl("free(procname);")
+ v.add_decl("\}")
+ end
+ v.add_decl("exit(signo);")
+ v.add_decl("\}")
+
v.add_decl("int main(int argc, char** argv) \{")
+
+ v.add("signal(SIGABRT, sig_handler);")
+ v.add("signal(SIGFPE, sig_handler);")
+ v.add("signal(SIGILL, sig_handler);")
+ v.add("signal(SIGINT, sig_handler);")
+ v.add("signal(SIGTERM, sig_handler);")
+ v.add("signal(SIGSEGV, sig_handler);")
+ v.add("signal(SIGPIPE, sig_handler);")
+
v.add("glob_argc = argc; glob_argv = argv;")
v.add("initialize_gc_option();")
var main_type = mainmodule.sys_type
v.add("printf(\"\\t%ld (%.2f%%)\\n\", count_type_test_total_{tag}, 100.0*count_type_test_total_{tag}/count_type_test_total_total);")
end
end
+
+ if self.modelbuilder.toolcontext.opt_invocation_metrics.value then
+ v.add_decl("long count_invoke_total;")
+ v.add("count_invoke_total = count_invoke_by_tables + count_invoke_by_direct + count_invoke_by_inline;")
+ v.add("printf(\"# dynamic count_invocation: total %ld\\n\", count_invoke_total);")
+ v.add("printf(\"by table: %ld (%.2f%%)\\n\", count_invoke_by_tables, 100.0*count_invoke_by_tables/count_invoke_total);")
+ v.add("printf(\"direct: %ld (%.2f%%)\\n\", count_invoke_by_direct, 100.0*count_invoke_by_direct/count_invoke_total);")
+ v.add("printf(\"inlined: %ld (%.2f%%)\\n\", count_invoke_by_inline, 100.0*count_invoke_by_inline/count_invoke_total);")
+ end
v.add("return 0;")
v.add("\}")
end
- # List of additional .c files required to compile (native interface)
- var extern_bodies = new Array[ExternCFile]
+ # List of additional files required to compile (FFI)
+ var extern_bodies = new Array[ExternFile]
+
+ # List of source files to copy over to the compile dir
+ var files_to_copy = new Array[String]
# This is used to avoid adding an extern file more than once
private var seen_extern = new ArraySet[String]
- # Generate code that check if an instance is correctly initialized
- fun generate_check_init_instance(mtype: MClassType) is abstract
-
# Generate code that initialize the attributes on a new instance
fun generate_init_attr(v: VISITOR, recv: RuntimeVariable, mtype: MClassType)
do
end
end
+ fun finalize_ffi_for_module(mmodule: MModule) do mmodule.finalize_ffi(self)
+
# Division facility
# Avoid division by zero by returning the string "n/a"
fun div(a,b:Int):String
return self.call(propdef, t, args)
end
+ # Generate a monomorphic super send from the method `m`, the type `t` and the arguments `args`
+ fun monomorphic_super_send(m: MMethodDef, t: MType, args: Array[RuntimeVariable]): nullable RuntimeVariable
+ do
+ assert t isa MClassType
+ m = m.lookup_next_definition(self.compiler.mainmodule, t)
+ return self.call(m, t, args)
+ end
+
# Attributes handling
# Generate a polymorphic attribute is_set test
var maybenull = recv.mcasttype isa MNullableType or recv.mcasttype isa MNullType
if maybenull then
- self.add("if ({recv} == NULL) \{")
- self.add_abort("Reciever is null")
+ self.add("if (unlikely({recv} == NULL)) \{")
+ self.add_abort("Receiver is null")
self.add("\}")
end
end
- # Generate a check-init-instance
- fun check_init_instance(recv: RuntimeVariable, mtype: MClassType) is abstract
-
# Names handling
private var names: HashSet[String] = new HashSet[String]
# Request the presence of a global declaration
fun require_declaration(key: String)
do
- self.writer.file.required_declarations.add(key)
+ var reqs = self.writer.file.required_declarations
+ if reqs.has(key) then return
+ reqs.add(key)
+ var node = current_node
+ if node != null then compiler.requirers_of_declarations[key] = node
end
# Add a declaration in the local-header
file = file.strip_extension(".nit")
var tryfile = file + ".nit.h"
if tryfile.file_exists then
- self.declare_once("#include \"{"..".join_path(tryfile)}\"")
+ self.declare_once("#include \"{tryfile.basename("")}\"")
+ self.compiler.files_to_copy.add(tryfile)
end
tryfile = file + "_nit.h"
if tryfile.file_exists then
- self.declare_once("#include \"{"..".join_path(tryfile)}\"")
+ self.declare_once("#include \"{tryfile.basename("")}\"")
+ self.compiler.files_to_copy.add(tryfile)
end
if self.compiler.seen_extern.has(file) then return
tryfile = file + "_nit.c"
if not tryfile.file_exists then return
end
- var f = new ExternCFile(tryfile, "")
+ var f = new ExternCFile(tryfile.basename(""), "")
self.compiler.extern_bodies.add(f)
+ self.compiler.files_to_copy.add(tryfile)
end
# Return a new local runtime_variable initialized with the C expression `cexpr`.
# used by aborts, asserts, casts, etc.
fun add_abort(message: String)
do
+ self.add("fprintf(stderr, \"Runtime error: %s\", \"{message.escape_to_c}\");")
+ add_raw_abort
+ end
+
+ fun add_raw_abort
+ do
if self.current_node != null and self.current_node.location.file != null then
- self.add("fprintf(stderr, \"Runtime error: %s (%s:%d)\\n\", \"{message.escape_to_c}\", \"{self.current_node.location.file.filename.escape_to_c}\", {current_node.location.line_start});")
+ self.add("fprintf(stderr, \" (%s:%d)\\n\", \"{self.current_node.location.file.filename.escape_to_c}\", {current_node.location.line_start});")
else
- self.add("fprintf(stderr, \"Runtime error: %s\\n\", \"{message.escape_to_c}\");")
+ self.add("fprintf(stderr, \"\\n\");")
end
- self.add("exit(1);")
+ self.add("show_backtrace(1);")
+ end
+
+ # Add a dynamic cast
+ fun add_cast(value: RuntimeVariable, mtype: MType, tag: String)
+ do
+ var res = self.type_test(value, mtype, tag)
+ self.add("if (unlikely(!{res})) \{")
+ var cn = self.class_name_string(value)
+ self.add("fprintf(stderr, \"Runtime error: Cast failed. Expected `%s`, got `%s`\", \"{mtype.to_s.escape_to_c}\", {cn});")
+ self.add_raw_abort
+ self.add("\}")
end
# Generate a return with the value `s`
res = autoadapt(res, nexpr.mtype.as(not null))
var implicit_cast_to = nexpr.implicit_cast_to
if implicit_cast_to != null and not self.compiler.modelbuilder.toolcontext.opt_no_check_autocast.value then
- var castres = self.type_test(res, implicit_cast_to, "auto")
- self.add("if (!{castres}) \{")
- self.add_abort("Cast failed")
- self.add("\}")
+ add_cast(res, implicit_cast_to, "auto")
res = autoadapt(res, implicit_cast_to)
end
self.current_node = old
var returnlabel: nullable String writable = null
end
-# An extern C file to compile
-class ExternCFile
- # The filename of the file
- var filename: String
- # Additionnal specific CC compiler -c flags
- var cflags: String
-end
-
redef class MType
# Return the C type associated to a given Nit static type
fun ctype: String do return "val*"
# generate the cast
# note that v decides if and how to implements the cast
v.add("/* Covariant cast for argument {i} ({self.msignature.mparameters[i].name}) {arguments[i+1].inspect} isa {mtype} */")
- var cond = v.type_test(arguments[i+1], mtype, "covariance")
- v.add("if (!{cond}) \{")
- v.add_abort("Cast failed")
- v.add("\}")
+ v.add_cast(arguments[i+1], mtype, "covariance")
end
end
end
# Call the implicit super-init
var auto_super_inits = self.auto_super_inits
if auto_super_inits != null then
- var selfarg = [arguments.first]
+ var args = [arguments.first]
for auto_super_init in auto_super_inits do
- if auto_super_init.intro.msignature.arity == 0 then
- v.send(auto_super_init, selfarg)
- else
- v.send(auto_super_init, arguments)
+ args.clear
+ for i in [0..auto_super_init.msignature.arity+1[ do
+ args.add(arguments[i])
end
+ v.compile_callsite(auto_super_init, args)
end
end
v.stmt(self.n_block)
else if pname == "unary -" then
v.ret(v.new_expr("-{arguments[0]}", ret.as(not null)))
return
- else if pname == "succ" then
- v.ret(v.new_expr("{arguments[0]}+1", ret.as(not null)))
- return
- else if pname == "prec" then
- v.ret(v.new_expr("{arguments[0]}-1", ret.as(not null)))
- return
else if pname == "*" then
v.ret(v.new_expr("{arguments[0]} * {arguments[1]}", ret.as(not null)))
return
else if pname == "object_id" then
v.ret(v.new_expr("(long){arguments.first}", ret.as(not null)))
return
- else if pname == "+" then
+ else if pname == "successor" then
v.ret(v.new_expr("{arguments[0]} + {arguments[1]}", ret.as(not null)))
return
- else if pname == "-" then
+ else if pname == "predecessor" then
v.ret(v.new_expr("{arguments[0]} - {arguments[1]}", ret.as(not null)))
return
else if pname == "==" then
var res = v.equal_test(arguments[0], arguments[1])
v.ret(v.new_expr("!{res}", ret.as(not null)))
return
- else if pname == "succ" then
- v.ret(v.new_expr("{arguments[0]}+1", ret.as(not null)))
- return
- else if pname == "prec" then
- v.ret(v.new_expr("{arguments[0]}-1", ret.as(not null)))
- return
else if pname == "<" then
v.ret(v.new_expr("{arguments[0]} < {arguments[1]}", ret.as(not null)))
return
else if pname == "is_same_type" then
v.ret(v.is_same_type_test(arguments[0], arguments[1]))
return
+ else if pname == "is_same_instance" then
+ v.ret(v.equal_test(arguments[0], arguments[1]))
+ return
else if pname == "output_class_name" then
var nat = v.class_name_string(arguments.first)
v.add("printf(\"%s\\n\", {nat});")
var nextern = self.n_extern
if nextern == null then
v.add("fprintf(stderr, \"NOT YET IMPLEMENTED nitni for {mpropdef} at {location.to_s}\\n\");")
- v.add("exit(1);")
+ v.add("show_backtrace(1);")
return
end
externname = nextern.text.substring(1, nextern.text.length-2)
var nextern = self.n_extern
if nextern == null then
v.add("printf(\"NOT YET IMPLEMENTED nitni for {mpropdef} at {location.to_s}\\n\");")
- v.add("exit(1);")
+ v.add("show_backtrace(1);")
return
end
externname = nextern.text.substring(1, nextern.text.length-2)
end
redef class ADeferredMethPropdef
- redef fun compile_to_c(v, mpropdef, arguments) do v.add_abort("Deferred method called")
+ redef fun compile_to_c(v, mpropdef, arguments) do
+ var cn = v.class_name_string(arguments.first)
+ v.add("fprintf(stderr, \"Runtime error: Abstract method `%s` called on `%s`\", \"{mpropdef.mproperty.name.escape_to_c}\", {cn});")
+ v.add_raw_abort
+ end
redef fun can_inline do return true
end
var cl = v.expr(self.n_expr, null)
var it_meth = self.method_iterator
assert it_meth != null
- var it = v.send(it_meth, [cl])
+ var it = v.compile_callsite(it_meth, [cl])
assert it != null
v.add("for(;;) \{")
var isok_meth = self.method_is_ok
assert isok_meth != null
- var ok = v.send(isok_meth, [it])
+ var ok = v.compile_callsite(isok_meth, [it])
assert ok != null
v.add("if(!{ok}) break;")
if self.variables.length == 1 then
var item_meth = self.method_item
assert item_meth != null
- var i = v.send(item_meth, [it])
+ var i = v.compile_callsite(item_meth, [it])
assert i != null
v.assign(v.variable(variables.first), i)
else if self.variables.length == 2 then
var key_meth = self.method_key
assert key_meth != null
- var i = v.send(key_meth, [it])
+ var i = v.compile_callsite(key_meth, [it])
assert i != null
v.assign(v.variable(variables[0]), i)
var item_meth = self.method_item
assert item_meth != null
- i = v.send(item_meth, [it])
+ i = v.compile_callsite(item_meth, [it])
assert i != null
v.assign(v.variable(variables[1]), i)
else
v.add("CONTINUE_{v.escapemark_name(escapemark)}: (void)0;")
var next_meth = self.method_next
assert next_meth != null
- v.send(next_meth, [it])
+ v.compile_callsite(next_meth, [it])
v.add("\}")
v.add("BREAK_{v.escapemark_name(escapemark)}: (void)0;")
end
if v.compiler.modelbuilder.toolcontext.opt_no_check_assert.value then return
var cond = v.expr_bool(self.n_expr)
- v.add("if (!{cond}) \{")
+ v.add("if (unlikely(!{cond})) \{")
v.stmt(self.n_else)
var nid = self.n_id
if nid != null then
end
end
-redef class AEeExpr
- redef fun expr(v)
- do
- var value1 = v.expr(self.n_expr, null)
- var value2 = v.expr(self.n_expr2, null)
- return v.equal_test(value1, value2)
- end
-end
-
redef class AIntExpr
redef fun expr(v) do return v.new_expr("{self.value.to_s}", self.mtype.as(not null))
end
var i2 = v.expr(self.n_expr2, null)
var mtype = self.mtype.as(MClassType)
var res = v.init_instance(mtype)
- var it = v.send(v.get_property("init", res.mtype), [res, i1, i2])
- v.check_init_instance(res, mtype)
+ var it = v.compile_callsite(init_callsite.as(not null), [res, i1, i2])
return res
end
end
var i2 = v.expr(self.n_expr2, null)
var mtype = self.mtype.as(MClassType)
var res = v.init_instance(mtype)
- var it = v.send(v.get_property("without_last", res.mtype), [res, i1, i2])
- v.check_init_instance(res, mtype)
+ var it = v.compile_callsite(init_callsite.as(not null), [res, i1, i2])
return res
end
end
var i = v.expr(self.n_expr, null)
if v.compiler.modelbuilder.toolcontext.opt_no_check_assert.value then return i
- var cond = v.type_test(i, self.mtype.as(not null), "as")
- v.add("if (!{cond}) \{")
- v.add_abort("Cast failed")
- v.add("\}")
+ v.add_cast(i, self.mtype.as(not null), "as")
return i
end
end
var i = v.expr(self.n_expr, null)
if v.compiler.modelbuilder.toolcontext.opt_no_check_assert.value then return i
- v.add("if ({i} == NULL) \{")
+ v.add("if (unlikely({i} == NULL)) \{")
v.add_abort("Cast failed")
v.add("\}")
return i
for a in self.n_args.n_exprs do
args.add(v.expr(a, null))
end
- if args.length == 1 then
- args = v.frame.arguments
- end
- var mproperty = self.mproperty
- if mproperty != null then
- if mproperty.intro.msignature.arity == 0 then
- args = [recv]
+ var callsite = self.callsite
+ if callsite != null then
+ # Add additionnals arguments for the super init call
+ if args.length == 1 then
+ for i in [0..callsite.mproperty.intro.msignature.arity[ do
+ args.add(v.frame.arguments[i+1])
+ end
end
# Super init call
- var res = v.send(mproperty, args)
+ var res = v.compile_callsite(callsite, args)
return res
end
+ if args.length == 1 then
+ args = v.frame.arguments
+ end
+
# stantard call-next-method
- return v.supercall(v.frame.mpropdef.as(MMethodDef), recv.mtype.as(MClassType), args)
+ return v.supercall(mpropdef.as(not null), recv.mtype.as(MClassType), args)
end
end
#self.debug("got {res2} from {mproperty}. drop {recv}")
return res2
end
- v.check_init_instance(recv, mtype)
return recv
end
end
return properties_cache[mclass]
end
private var properties_cache: Map[MClass, Set[MProperty]] = new HashMap[MClass, Set[MProperty]]
+
+ # Write FFI and nitni results to file
+ fun finalize_ffi(c: AbstractCompiler) do end
+
+ # Give requided addinional system libraries (as given to LD_LIBS)
+ # Note: can return null instead of an empty set
+ fun collect_linker_libs: nullable Set[String] do return null
end
nitlanguage / nit.git / blobdiff