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
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_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_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)
end
var time0 = get_time
self.toolcontext.info("*** WRITING C ***", 1)
- var compile_dir = ".nit_compile"
- compile_dir.mkdir
+ var compile_dir = toolcontext.opt_compile_dir.value
+ if compile_dir == null then compile_dir = ".nit_compile"
+ compile_dir.mkdir
var orig_dir=".." # FIXME only works if `compile_dir` is a subdirectory of cwd
var outname = self.toolcontext.opt_output.value
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")
+ makefile.write("CC = ccache cc\nCFLAGS = -g -O2\nCINCL = {cc_includes}\nLDFLAGS ?= \nLDLIBS ?= -lunwind -lm -lgc\n\n")
makefile.write("all: {outpath}\n\n")
var ofiles = new Array[String]
# This method call compile_header_strucs method that has to be refined
fun compile_header do
var v = self.header
+ self.header.add_decl("#define UNW_LOCAL_ONLY")
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 <libunwind.h>")
+ self.header.add_decl("#include <signal.h>")
self.header.add_decl("#include <gc_chooser.h>")
compile_header_structs
+ # Signal handler function prototype
+ self.header.add_decl("void show_backtrace(int);")
+
# Global variable used by the legacy native interface
self.header.add_decl("extern int glob_argc;")
self.header.add_decl("extern char **glob_argv;")
v.compiler.header.add_decl("extern long count_type_test_skipped_{tag};")
end
end
+
+ v.add_decl("void show_backtrace (int signo) \{")
+ 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(\"-- C 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);")
+ v.add_decl(" printf(\"` %s \\n\",procname);")
+ v.add_decl("\}")
+ v.add_decl("printf(\"-------------------------------------------------\\n\");")
+ v.add_decl("free(procname);")
+ v.add_decl("\}")
+ v.add_decl("exit(signo);")
+ v.add_decl("\}")
+
v.add_decl("int main(int argc, char** argv) \{")
+
+ v.add("signal(SIGABRT, show_backtrace);")
+ v.add("signal(SIGFPE, show_backtrace);")
+ v.add("signal(SIGILL, show_backtrace);")
+ v.add("signal(SIGINT, show_backtrace);")
+ v.add("signal(SIGTERM, show_backtrace);")
+ v.add("signal(SIGSEGV, show_backtrace);")
+
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
+
v.add("return 0;")
v.add("\}")
end
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
# 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 (!{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
# 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
return
end
if pname == "exit" then
- v.add("exit({arguments[1]});")
+ v.add("show_backtrace({arguments[1]});")
return
else if pname == "sys" then
v.ret(v.new_expr("glob_sys", ret.as(not null)))
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
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 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