DLLEXPORT jl_value_t *jl_f_new_module(jl_sym_t *name, uint8_t std_imports) { jl_module_t *m = jl_new_module(name); JL_GC_PUSH1(&m); m->parent = jl_main_module; jl_gc_wb(m, m->parent); if (std_imports) jl_add_standard_imports(m); JL_GC_POP(); return (jl_value_t*)m; }
JL_DLLEXPORT jl_value_t *jl_f_new_module(jl_sym_t *name, uint8_t std_imports) { // TODO: should we prohibit this during incremental compilation? jl_module_t *m = jl_new_module(name); JL_GC_PUSH1(&m); m->parent = jl_main_module; // TODO: this is a lie jl_gc_wb(m, m->parent); if (std_imports) jl_add_standard_imports(m); JL_GC_POP(); // TODO: should we somehow try to gc-root this correctly? return (jl_value_t*)m; }
void julia_init(char *imageFile) { jl_page_size = jl_getpagesize(); jl_find_stack_bottom(); jl_dl_handle = jl_load_dynamic_library(NULL, JL_RTLD_DEFAULT); #ifdef __WIN32__ uv_dlopen("ntdll.dll",jl_ntdll_handle); //bypass julia's pathchecking for system dlls uv_dlopen("Kernel32.dll",jl_kernel32_handle); uv_dlopen("msvcrt.dll",jl_crtdll_handle); uv_dlopen("Ws2_32.dll",jl_winsock_handle); _jl_exe_handle.handle = GetModuleHandleA(NULL); #endif jl_io_loop = uv_default_loop(); //this loop will internal events (spawining process etc.) init_stdio(); #if defined(__linux__) int ncores = jl_cpu_cores(); if (ncores > 1) { cpu_set_t cpumask; CPU_ZERO(&cpumask); for(int i=0; i < ncores; i++) { CPU_SET(i, &cpumask); } sched_setaffinity(0, sizeof(cpu_set_t), &cpumask); } #endif #ifdef JL_GC_MARKSWEEP jl_gc_init(); jl_gc_disable(); #endif jl_init_frontend(); jl_init_types(); jl_init_tasks(jl_stack_lo, jl_stack_hi-jl_stack_lo); jl_init_codegen(); jl_an_empty_cell = (jl_value_t*)jl_alloc_cell_1d(0); jl_init_serializer(); if (!imageFile) { jl_main_module = jl_new_module(jl_symbol("Main")); jl_main_module->parent = jl_main_module; jl_core_module = jl_new_module(jl_symbol("Core")); jl_core_module->parent = jl_main_module; jl_set_const(jl_main_module, jl_symbol("Core"), (jl_value_t*)jl_core_module); jl_module_using(jl_main_module, jl_core_module); jl_current_module = jl_core_module; jl_init_intrinsic_functions(); jl_init_primitives(); jl_load("boot.jl"); jl_get_builtin_hooks(); jl_boot_file_loaded = 1; jl_init_box_caches(); } if (imageFile) { JL_TRY { jl_restore_system_image(imageFile); } JL_CATCH { JL_PRINTF(JL_STDERR, "error during init:\n"); jl_show(jl_stderr_obj(), jl_exception_in_transit); JL_PRINTF(JL_STDOUT, "\n"); jl_exit(1); } } // set module field of primitive types int i; void **table = jl_core_module->bindings.table; for(i=1; i < jl_core_module->bindings.size; i+=2) { if (table[i] != HT_NOTFOUND) { jl_binding_t *b = (jl_binding_t*)table[i]; if (b->value && jl_is_datatype(b->value)) { jl_datatype_t *tt = (jl_datatype_t*)b->value; tt->name->module = jl_core_module; } } } // the Main module is the one which is always open, and set as the // current module for bare (non-module-wrapped) toplevel expressions. // it does "using Base" if Base is available. if (jl_base_module != NULL) { jl_add_standard_imports(jl_main_module); } // eval() uses Main by default, so Main.eval === Core.eval jl_module_import(jl_main_module, jl_core_module, jl_symbol("eval")); jl_current_module = jl_main_module; #ifndef __WIN32__ struct sigaction actf; memset(&actf, 0, sizeof(struct sigaction)); sigemptyset(&actf.sa_mask); actf.sa_handler = fpe_handler; actf.sa_flags = 0; if (sigaction(SIGFPE, &actf, NULL) < 0) { JL_PRINTF(JL_STDERR, "sigaction: %s\n", strerror(errno)); jl_exit(1); } stack_t ss; ss.ss_flags = 0; ss.ss_size = SIGSTKSZ; ss.ss_sp = malloc(ss.ss_size); if (sigaltstack(&ss, NULL) < 0) { JL_PRINTF(JL_STDERR, "sigaltstack: %s\n", strerror(errno)); jl_exit(1); } struct sigaction act; memset(&act, 0, sizeof(struct sigaction)); sigemptyset(&act.sa_mask); act.sa_sigaction = segv_handler; act.sa_flags = SA_ONSTACK | SA_SIGINFO; if (sigaction(SIGSEGV, &act, NULL) < 0) { JL_PRINTF(JL_STDERR, "sigaction: %s\n", strerror(errno)); jl_exit(1); } #else if (signal(SIGFPE, (void (__cdecl *)(int))fpe_handler) == SIG_ERR) { JL_PRINTF(JL_STDERR, "Couldn't set SIGFPE\n"); jl_exit(1); } #endif #ifdef JL_GC_MARKSWEEP jl_gc_enable(); #endif }
jl_value_t *jl_eval_module_expr(jl_expr_t *ex) { static arraylist_t module_stack; static int initialized=0; static jl_module_t *outermost = NULL; if (!initialized) { arraylist_new(&module_stack, 0); initialized = 1; } assert(ex->head == module_sym); jl_module_t *last_module = jl_current_module; if (jl_array_len(ex->args) != 3 || !jl_is_expr(jl_exprarg(ex,2))) { jl_error("syntax: malformed module expression"); } int std_imports = (jl_exprarg(ex,0)==jl_true); jl_sym_t *name = (jl_sym_t*)jl_exprarg(ex, 1); if (!jl_is_symbol(name)) { jl_type_error("module", (jl_value_t*)jl_sym_type, (jl_value_t*)name); } jl_module_t *parent_module = jl_current_module; jl_binding_t *b = jl_get_binding_wr(parent_module, name); jl_declare_constant(b); if (b->value != NULL) { if (!jl_is_module(b->value)) { jl_errorf("invalid redefinition of constant %s", name->name); } if (jl_generating_output() && jl_options.incremental) { jl_errorf("cannot replace module %s during incremental compile", name->name); } if (!jl_generating_output()) { // suppress warning "replacing module Core.Inference" during bootstrapping jl_printf(JL_STDERR, "WARNING: replacing module %s\n", name->name); } } jl_module_t *newm = jl_new_module(name); newm->parent = parent_module; b->value = (jl_value_t*)newm; jl_gc_wb_binding(b, newm); if (parent_module == jl_main_module && name == jl_symbol("Base")) { // pick up Base module during bootstrap jl_old_base_module = jl_base_module; jl_base_module = newm; // reinitialize global variables // to pick up new types from Base jl_errorexception_type = NULL; jl_argumenterror_type = NULL; jl_methoderror_type = NULL; jl_loaderror_type = NULL; jl_current_task->tls = jl_nothing; // may contain an entry for :SOURCE_FILE that is not valid in the new base } // export all modules from Main if (parent_module == jl_main_module) jl_module_export(jl_main_module, name); // add standard imports unless baremodule if (std_imports) { if (jl_base_module != NULL) { jl_add_standard_imports(newm); } } JL_GC_PUSH1(&last_module); jl_module_t *task_last_m = jl_current_task->current_module; jl_current_task->current_module = jl_current_module = newm; jl_module_t *prev_outermost = outermost; size_t stackidx = module_stack.len; if (outermost == NULL) outermost = newm; jl_array_t *exprs = ((jl_expr_t*)jl_exprarg(ex, 2))->args; JL_TRY { for(int i=0; i < jl_array_len(exprs); i++) { // process toplevel form jl_value_t *form = jl_cellref(exprs, i); (void)jl_toplevel_eval_flex(form, 1); } } JL_CATCH { jl_current_module = last_module; jl_current_task->current_module = task_last_m; outermost = prev_outermost; module_stack.len = stackidx; jl_rethrow(); } JL_GC_POP(); jl_current_module = last_module; jl_current_task->current_module = task_last_m; outermost = prev_outermost; #if 0 // some optional post-processing steps size_t i; void **table = newm->bindings.table; for(i=1; i < newm->bindings.size; i+=2) { if (table[i] != HT_NOTFOUND) { jl_binding_t *b = (jl_binding_t*)table[i]; // remove non-exported macros if (b->name->name[0]=='@' && !b->exportp && b->owner==newm) b->value = NULL; // error for unassigned exports /* if (b->exportp && b->owner==newm && b->value==NULL) jl_errorf("identifier %s exported from %s is not initialized", b->name->name, newm->name->name); */ } } #endif arraylist_push(&module_stack, newm); if (outermost == NULL || jl_current_module == jl_main_module) { size_t i, l=module_stack.len; for(i = stackidx; i < l; i++) { jl_module_load_time_initialize((jl_module_t*)module_stack.items[i]); } assert(module_stack.len == l); module_stack.len = stackidx; } return (jl_value_t*)newm; }
jl_value_t *jl_eval_module_expr(jl_expr_t *ex) { assert(ex->head == module_sym); jl_module_t *last_module = jl_current_module; int std_imports = (jl_exprarg(ex,0)==jl_true); jl_sym_t *name = (jl_sym_t*)jl_exprarg(ex, 1); if (!jl_is_symbol(name)) { jl_type_error("module", (jl_value_t*)jl_sym_type, (jl_value_t*)name); } jl_module_t *parent_module = jl_current_module; jl_binding_t *b = jl_get_binding_wr(parent_module, name); jl_declare_constant(b); if (b->value != NULL) { JL_PRINTF(JL_STDERR, "Warning: replacing module %s\n", name->name); } jl_module_t *newm = jl_new_module(name); newm->parent = parent_module; b->value = (jl_value_t*)newm; if (parent_module == jl_main_module && name == jl_symbol("Base")) { base_module_conflict = (jl_base_module != NULL); jl_old_base_module = jl_base_module; // pick up Base module during bootstrap jl_base_module = newm; } // export all modules from Main if (parent_module == jl_main_module) jl_module_export(jl_main_module, name); // add standard imports unless baremodule if (std_imports) { if (jl_base_module != NULL) { jl_add_standard_imports(newm); } } JL_GC_PUSH1(&last_module); jl_current_module = newm; jl_array_t *exprs = ((jl_expr_t*)jl_exprarg(ex, 2))->args; JL_TRY { for(int i=0; i < jl_array_len(exprs); i++) { // process toplevel form jl_value_t *form = jl_cellref(exprs, i); (void)jl_toplevel_eval_flex(form, 1); } } JL_CATCH { jl_current_module = last_module; jl_rethrow(); } JL_GC_POP(); jl_current_module = last_module; size_t i; void **table = newm->bindings.table; for(i=1; i < newm->bindings.size; i+=2) { if (table[i] != HT_NOTFOUND) { jl_binding_t *b = (jl_binding_t*)table[i]; // remove non-exported macros if (b->name->name[0]=='@' && !b->exportp && b->owner==newm) b->value = NULL; // error for unassigned exports /* if (b->exportp && b->owner==newm && b->value==NULL) jl_errorf("identifier %s exported from %s is not initialized", b->name->name, newm->name->name); */ } } return jl_nothing; }
jl_value_t *jl_eval_module_expr(jl_expr_t *ex) { static arraylist_t module_stack; static int initialized=0; if (!initialized) { arraylist_new(&module_stack, 0); initialized = 1; } assert(ex->head == module_sym); jl_module_t *last_module = jl_current_module; if (jl_array_len(ex->args) != 3 || !jl_is_expr(jl_exprarg(ex,2))) { jl_error("syntax: malformed module expression"); } int std_imports = (jl_exprarg(ex,0)==jl_true); jl_sym_t *name = (jl_sym_t*)jl_exprarg(ex, 1); if (!jl_is_symbol(name)) { jl_type_error("module", (jl_value_t*)jl_sym_type, (jl_value_t*)name); } jl_module_t *parent_module = jl_current_module; jl_binding_t *b = jl_get_binding_wr(parent_module, name); jl_declare_constant(b); if (b->value != NULL) { JL_PRINTF(JL_STDERR, "Warning: replacing module %s\n", name->name); } jl_module_t *newm = jl_new_module(name); newm->parent = parent_module; b->value = (jl_value_t*)newm; if (parent_module == jl_main_module && name == jl_symbol("Base")) { // pick up Base module during bootstrap jl_old_base_module = jl_base_module; jl_base_module = newm; // reinitialize global variables // to pick up new types from Base jl_errorexception_type = NULL; jl_typeerror_type = NULL; jl_methoderror_type = NULL; jl_loaderror_type = NULL; jl_weakref_type = NULL; jl_current_task->tls = jl_nothing; } // export all modules from Main if (parent_module == jl_main_module) jl_module_export(jl_main_module, name); // add standard imports unless baremodule if (std_imports) { if (jl_base_module != NULL) { jl_add_standard_imports(newm); } } JL_GC_PUSH1(&last_module); jl_module_t *task_last_m = jl_current_task->current_module; jl_current_task->current_module = jl_current_module = newm; jl_array_t *exprs = ((jl_expr_t*)jl_exprarg(ex, 2))->args; JL_TRY { for(int i=0; i < jl_array_len(exprs); i++) { // process toplevel form jl_value_t *form = jl_cellref(exprs, i); (void)jl_toplevel_eval_flex(form, 1); } } JL_CATCH { jl_current_module = last_module; jl_current_task->current_module = task_last_m; jl_rethrow(); } JL_GC_POP(); jl_current_module = last_module; jl_current_task->current_module = task_last_m; #if 0 // some optional post-processing steps size_t i; void **table = newm->bindings.table; for(i=1; i < newm->bindings.size; i+=2) { if (table[i] != HT_NOTFOUND) { jl_binding_t *b = (jl_binding_t*)table[i]; // remove non-exported macros if (b->name->name[0]=='@' && !b->exportp && b->owner==newm) b->value = NULL; // error for unassigned exports /* if (b->exportp && b->owner==newm && b->value==NULL) jl_errorf("identifier %s exported from %s is not initialized", b->name->name, newm->name->name); */ } } #endif arraylist_push(&module_stack, newm); if (jl_current_module == jl_main_module) { while (module_stack.len > 0) { jl_module_load_time_initialize((jl_module_t *) arraylist_pop(&module_stack)); } } return jl_nothing; }
jl_value_t *jl_eval_module_expr(jl_expr_t *ex) { jl_ptls_t ptls = jl_get_ptls_states(); static arraylist_t module_stack; static int initialized=0; static jl_module_t *outermost = NULL; if (!initialized) { arraylist_new(&module_stack, 0); initialized = 1; } assert(ex->head == module_sym); jl_module_t *last_module = ptls->current_module; if (jl_array_len(ex->args) != 3 || !jl_is_expr(jl_exprarg(ex,2))) { jl_error("syntax: malformed module expression"); } int std_imports = (jl_exprarg(ex,0)==jl_true); jl_sym_t *name = (jl_sym_t*)jl_exprarg(ex, 1); if (!jl_is_symbol(name)) { jl_type_error("module", (jl_value_t*)jl_sym_type, (jl_value_t*)name); } jl_module_t *parent_module = ptls->current_module; jl_binding_t *b = jl_get_binding_wr(parent_module, name); jl_declare_constant(b); if (b->value != NULL) { if (!jl_is_module(b->value)) { jl_errorf("invalid redefinition of constant %s", jl_symbol_name(name)); } if (jl_generating_output()) { jl_errorf("cannot replace module %s during compilation", jl_symbol_name(name)); } jl_printf(JL_STDERR, "WARNING: replacing module %s\n", jl_symbol_name(name)); } jl_module_t *newm = jl_new_module(name); newm->parent = parent_module; b->value = (jl_value_t*)newm; jl_gc_wb_binding(b, newm); if (parent_module == jl_main_module && name == jl_symbol("Base")) { // pick up Base module during bootstrap jl_base_module = newm; } // export all modules from Main if (parent_module == jl_main_module) jl_module_export(jl_main_module, name); // add standard imports unless baremodule if (std_imports) { if (jl_base_module != NULL) { jl_add_standard_imports(newm); } } jl_value_t *defaultdefs = NULL, *form = NULL; JL_GC_PUSH3(&last_module, &defaultdefs, &form); jl_module_t *task_last_m = ptls->current_task->current_module; ptls->current_task->current_module = ptls->current_module = newm; jl_module_t *prev_outermost = outermost; size_t stackidx = module_stack.len; if (outermost == NULL) outermost = newm; if (std_imports) { // add `eval` function defaultdefs = jl_call_scm_on_ast("module-default-defs", (jl_value_t*)ex); jl_toplevel_eval_flex(defaultdefs, 0, 1); defaultdefs = NULL; } jl_array_t *exprs = ((jl_expr_t*)jl_exprarg(ex, 2))->args; JL_TRY { for(int i=0; i < jl_array_len(exprs); i++) { // process toplevel form form = jl_expand(jl_array_ptr_ref(exprs, i)); (void)jl_toplevel_eval_flex(form, 1, 1); } } JL_CATCH { ptls->current_module = last_module; ptls->current_task->current_module = task_last_m; outermost = prev_outermost; module_stack.len = stackidx; jl_rethrow(); } JL_GC_POP(); ptls->current_module = last_module; ptls->current_task->current_module = task_last_m; outermost = prev_outermost; #if 0 // some optional post-processing steps size_t i; void **table = newm->bindings.table; for(i=1; i < newm->bindings.size; i+=2) { if (table[i] != HT_NOTFOUND) { jl_binding_t *b = (jl_binding_t*)table[i]; // remove non-exported macros if (jl_symbol_name(b->name)[0]=='@' && !b->exportp && b->owner == newm) b->value = NULL; // error for unassigned exports /* if (b->exportp && b->owner==newm && b->value==NULL) jl_errorf("identifier %s exported from %s is not initialized", jl_symbol_name(b->name), jl_symbol_name(newm->name)); */ } } #endif arraylist_push(&module_stack, newm); if (outermost == NULL || ptls->current_module == jl_main_module) { JL_TRY { size_t i, l=module_stack.len; for(i = stackidx; i < l; i++) { jl_module_load_time_initialize((jl_module_t*)module_stack.items[i]); } assert(module_stack.len == l); module_stack.len = stackidx; } JL_CATCH { module_stack.len = stackidx; jl_rethrow(); } }
void julia_init(char *imageFile) { jl_page_size = jl_getpagesize(); jl_find_stack_bottom(); jl_dl_handle = jl_load_dynamic_library(NULL, JL_RTLD_DEFAULT); #ifdef _OS_WINDOWS_ uv_dlopen("ntdll.dll",jl_ntdll_handle); //bypass julia's pathchecking for system dlls uv_dlopen("Kernel32.dll",jl_kernel32_handle); uv_dlopen("msvcrt.dll",jl_crtdll_handle); uv_dlopen("Ws2_32.dll",jl_winsock_handle); _jl_exe_handle.handle = GetModuleHandleA(NULL); if (!DuplicateHandle( GetCurrentProcess(), GetCurrentThread(), GetCurrentProcess(), (PHANDLE)&hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS )) { JL_PRINTF(JL_STDERR, "Couldn't access handle to main thread\n"); } #if defined(_CPU_X86_64_) SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS); SymInitialize(GetCurrentProcess(), NULL, 1); needsSymRefreshModuleList = 0; #endif #endif jl_io_loop = uv_default_loop(); //this loop will internal events (spawining process etc.) init_stdio(); #if defined(__linux__) int ncores = jl_cpu_cores(); if (ncores > 1) { cpu_set_t cpumask; CPU_ZERO(&cpumask); for(int i=0; i < ncores; i++) { CPU_SET(i, &cpumask); } sched_setaffinity(0, sizeof(cpu_set_t), &cpumask); } #endif #ifdef JL_GC_MARKSWEEP jl_gc_init(); jl_gc_disable(); #endif jl_init_frontend(); jl_init_types(); jl_init_tasks(jl_stack_lo, jl_stack_hi-jl_stack_lo); jl_init_codegen(); jl_an_empty_cell = (jl_value_t*)jl_alloc_cell_1d(0); jl_init_serializer(); if (!imageFile) { jl_main_module = jl_new_module(jl_symbol("Main")); jl_main_module->parent = jl_main_module; jl_core_module = jl_new_module(jl_symbol("Core")); jl_core_module->parent = jl_main_module; jl_set_const(jl_main_module, jl_symbol("Core"), (jl_value_t*)jl_core_module); jl_module_using(jl_main_module, jl_core_module); jl_current_module = jl_core_module; jl_init_intrinsic_functions(); jl_init_primitives(); jl_load("boot.jl"); jl_get_builtin_hooks(); jl_boot_file_loaded = 1; jl_init_box_caches(); } if (imageFile) { JL_TRY { jl_restore_system_image(imageFile); } JL_CATCH { JL_PRINTF(JL_STDERR, "error during init:\n"); jl_show(jl_stderr_obj(), jl_exception_in_transit); JL_PRINTF(JL_STDERR, "\n"); jl_exit(1); } } // set module field of primitive types int i; void **table = jl_core_module->bindings.table; for(i=1; i < jl_core_module->bindings.size; i+=2) { if (table[i] != HT_NOTFOUND) { jl_binding_t *b = (jl_binding_t*)table[i]; if (b->value && jl_is_datatype(b->value)) { jl_datatype_t *tt = (jl_datatype_t*)b->value; tt->name->module = jl_core_module; } } } // the Main module is the one which is always open, and set as the // current module for bare (non-module-wrapped) toplevel expressions. // it does "using Base" if Base is available. if (jl_base_module != NULL) { jl_add_standard_imports(jl_main_module); } // eval() uses Main by default, so Main.eval === Core.eval jl_module_import(jl_main_module, jl_core_module, jl_symbol("eval")); jl_current_module = jl_main_module; #ifndef _OS_WINDOWS_ signal_stack = malloc(SIGSTKSZ); struct sigaction actf; memset(&actf, 0, sizeof(struct sigaction)); sigemptyset(&actf.sa_mask); actf.sa_handler = fpe_handler; actf.sa_flags = 0; if (sigaction(SIGFPE, &actf, NULL) < 0) { JL_PRINTF(JL_STDERR, "sigaction: %s\n", strerror(errno)); jl_exit(1); } #if defined(_OS_LINUX_) stack_t ss; ss.ss_flags = 0; ss.ss_size = SIGSTKSZ; ss.ss_sp = signal_stack; if (sigaltstack(&ss, NULL) < 0) { JL_PRINTF(JL_STDERR, "sigaltstack: %s\n", strerror(errno)); jl_exit(1); } struct sigaction act; memset(&act, 0, sizeof(struct sigaction)); sigemptyset(&act.sa_mask); act.sa_sigaction = segv_handler; act.sa_flags = SA_ONSTACK | SA_SIGINFO; if (sigaction(SIGSEGV, &act, NULL) < 0) { JL_PRINTF(JL_STDERR, "sigaction: %s\n", strerror(errno)); jl_exit(1); } if (signal(SIGPIPE,SIG_IGN) == SIG_ERR) { JL_PRINTF(JL_STDERR, "Couldn't set SIGPIPE\n"); jl_exit(1); } #elif defined (_OS_DARWIN_) kern_return_t ret; mach_port_t self = mach_task_self(); ret = mach_port_allocate(self,MACH_PORT_RIGHT_RECEIVE,&segv_port); HANDLE_MACH_ERROR("mach_port_allocate",ret); ret = mach_port_insert_right(self,segv_port,segv_port,MACH_MSG_TYPE_MAKE_SEND); HANDLE_MACH_ERROR("mach_port_insert_right",ret); // Alright, create a thread to serve as the listener for exceptions pthread_t thread; pthread_attr_t attr; if (pthread_attr_init(&attr) != 0) { JL_PRINTF(JL_STDERR, "pthread_attr_init failed"); jl_exit(1); } pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_DETACHED); if (pthread_create(&thread,&attr,mach_segv_listener,NULL) != 0) { JL_PRINTF(JL_STDERR, "pthread_create failed"); jl_exit(1); } pthread_attr_destroy(&attr); ret = task_set_exception_ports(self,EXC_MASK_BAD_ACCESS,segv_port,EXCEPTION_DEFAULT,MACHINE_THREAD_STATE); HANDLE_MACH_ERROR("task_set_exception_ports",ret); #endif #else if (signal(SIGFPE, (void (__cdecl *)(int))fpe_handler) == SIG_ERR) { JL_PRINTF(JL_STDERR, "Couldn't set SIGFPE\n"); jl_exit(1); } #endif #ifdef JL_GC_MARKSWEEP jl_gc_enable(); #endif }
// TODO: add locks around global state mutation operations jl_value_t *jl_eval_module_expr(jl_module_t *parent_module, jl_expr_t *ex) { jl_ptls_t ptls = jl_get_ptls_states(); assert(ex->head == module_sym); if (jl_array_len(ex->args) != 3 || !jl_is_expr(jl_exprarg(ex, 2))) { jl_error("syntax: malformed module expression"); } int std_imports = (jl_exprarg(ex, 0) == jl_true); jl_sym_t *name = (jl_sym_t*)jl_exprarg(ex, 1); if (!jl_is_symbol(name)) { jl_type_error("module", (jl_value_t*)jl_sym_type, (jl_value_t*)name); } jl_module_t *newm = jl_new_module(name); jl_value_t *form = (jl_value_t*)newm; JL_GC_PUSH1(&form); ptrhash_put(&jl_current_modules, (void*)newm, (void*)((uintptr_t)HT_NOTFOUND + 1)); // copy parent environment info into submodule newm->uuid = parent_module->uuid; if (jl_base_module && (jl_value_t*)parent_module == jl_get_global(jl_base_module, jl_symbol("__toplevel__"))) { newm->parent = newm; jl_register_root_module(newm); } else { jl_binding_t *b = jl_get_binding_wr(parent_module, name, 1); jl_declare_constant(b); if (b->value != NULL) { if (!jl_is_module(b->value)) { jl_errorf("invalid redefinition of constant %s", jl_symbol_name(name)); } if (jl_generating_output()) { jl_errorf("cannot replace module %s during compilation", jl_symbol_name(name)); } jl_printf(JL_STDERR, "WARNING: replacing module %s.\n", jl_symbol_name(name)); // create a hidden gc root for the old module uintptr_t *refcnt = (uintptr_t*)ptrhash_bp(&jl_current_modules, (void*)b->value); *refcnt += 1; } newm->parent = parent_module; b->value = (jl_value_t*)newm; jl_gc_wb_binding(b, newm); } if (parent_module == jl_main_module && name == jl_symbol("Base")) { // pick up Base module during bootstrap jl_base_module = newm; } size_t last_age = ptls->world_age; // add standard imports unless baremodule if (std_imports) { if (jl_base_module != NULL) { jl_add_standard_imports(newm); } // add `eval` function form = jl_call_scm_on_ast("module-default-defs", (jl_value_t*)ex, newm); ptls->world_age = jl_world_counter; jl_toplevel_eval_flex(newm, form, 0, 1); form = NULL; } jl_array_t *exprs = ((jl_expr_t*)jl_exprarg(ex, 2))->args; for (int i = 0; i < jl_array_len(exprs); i++) { // process toplevel form ptls->world_age = jl_world_counter; form = jl_expand_stmt(jl_array_ptr_ref(exprs, i), newm); ptls->world_age = jl_world_counter; (void)jl_toplevel_eval_flex(newm, form, 1, 1); } ptls->world_age = last_age; #if 0 // some optional post-processing steps size_t i; void **table = newm->bindings.table; for(i=1; i < newm->bindings.size; i+=2) { if (table[i] != HT_NOTFOUND) { jl_binding_t *b = (jl_binding_t*)table[i]; // remove non-exported macros if (jl_symbol_name(b->name)[0]=='@' && !b->exportp && b->owner == newm) b->value = NULL; // error for unassigned exports /* if (b->exportp && b->owner==newm && b->value==NULL) jl_errorf("identifier %s exported from %s is not initialized", jl_symbol_name(b->name), jl_symbol_name(newm->name)); */ } } #endif uintptr_t *refcnt = (uintptr_t*)ptrhash_bp(&jl_current_modules, (void*)newm); assert(*refcnt > (uintptr_t)HT_NOTFOUND); *refcnt -= 1; // newm should be reachable from somewhere else by now if (jl_module_init_order == NULL) jl_module_init_order = jl_alloc_vec_any(0); jl_array_ptr_1d_push(jl_module_init_order, (jl_value_t*)newm); // defer init of children until parent is done being defined // then initialize all in definition-finished order // at build time, don't run them at all (defer for runtime) if (!jl_generating_output()) { if (!ptrhash_has(&jl_current_modules, (void*)newm->parent)) { size_t i, l = jl_array_len(jl_module_init_order); size_t ns = 0; form = (jl_value_t*)jl_alloc_vec_any(0); for (i = 0; i < l; i++) { jl_module_t *m = (jl_module_t*)jl_array_ptr_ref(jl_module_init_order, i); if (jl_is_submodule(m, newm)) { jl_array_ptr_1d_push((jl_array_t*)form, (jl_value_t*)m); } else if (ns++ != i) { jl_array_ptr_set(jl_module_init_order, ns - 1, (jl_value_t*)m); } } if (ns < l) jl_array_del_end(jl_module_init_order, l - ns); l = jl_array_len(form); for (i = 0; i < l; i++) { jl_module_t *m = (jl_module_t*)jl_array_ptr_ref(form, i); JL_GC_PROMISE_ROOTED(m); jl_module_run_initializer(m); } } } JL_GC_POP(); return (jl_value_t*)newm; }