static jl_value_t *eval(jl_value_t *e, jl_value_t **locals, size_t nl) { if (jl_is_symbol(e)) { jl_value_t *v; size_t i; for(i=0; i < nl; i++) { if (locals[i*2] == e) { v = locals[i*2+1]; break; } } if (i >= nl) { v = jl_get_global(jl_current_module, (jl_sym_t*)e); } if (v == NULL) { jl_errorf("%s not defined", ((jl_sym_t*)e)->name); } return v; } if (jl_is_symbolnode(e)) { return eval((jl_value_t*)jl_symbolnode_sym(e), locals, nl); } if (jl_is_quotenode(e)) { return jl_fieldref(e,0); } if (jl_is_topnode(e)) { jl_value_t *v = jl_get_global(jl_current_module, (jl_sym_t*)jl_fieldref(e,0)); if (v == NULL) jl_errorf("%s not defined", ((jl_sym_t*)jl_fieldref(e,0))->name); return v; } if (!jl_is_expr(e)) { if (jl_is_getfieldnode(e)) { jl_value_t *v = eval(jl_getfieldnode_val(e), locals, nl); jl_value_t *gfargs[2] = {v, (jl_value_t*)jl_getfieldnode_name(e)}; return jl_f_get_field(NULL, gfargs, 2); } if (jl_is_lambda_info(e)) { return (jl_value_t*)jl_new_closure(NULL, (jl_value_t*)jl_null, (jl_lambda_info_t*)e); } return e; } jl_expr_t *ex = (jl_expr_t*)e; jl_value_t **args = &jl_cellref(ex->args,0); if (ex->head == call_sym || ex->head == call1_sym) { jl_function_t *f = (jl_function_t*)eval(args[0], locals, nl); if (!jl_is_func(f)) jl_type_error("apply", (jl_value_t*)jl_function_type, (jl_value_t*)f); return do_call(f, &args[1], ex->args->length-1, locals, nl); } else if (ex->head == assign_sym) { jl_value_t *sym = args[0]; size_t i; for (i=0; i < nl; i++) { if (locals[i*2] == sym) { return (locals[i*2+1] = eval(args[1], locals, nl)); } } jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)sym); jl_value_t *rhs = eval(args[1], locals, nl); jl_checked_assignment(b, rhs); return rhs; } else if (ex->head == new_sym) { jl_value_t *thetype = eval(args[0], locals, nl); JL_GC_PUSH(&thetype); assert(jl_is_struct_type(thetype)); jl_value_t *v = jl_new_struct_uninit((jl_struct_type_t*)thetype); JL_GC_POP(); return v; } else if (ex->head == null_sym) { return (jl_value_t*)jl_nothing; } else if (ex->head == body_sym) { return eval_body(ex->args, locals, nl, 0); } else if (ex->head == exc_sym) { return jl_exception_in_transit; } else if (ex->head == static_typeof_sym) { return (jl_value_t*)jl_any_type; } else if (ex->head == method_sym) { jl_sym_t *fname = (jl_sym_t*)args[0]; jl_value_t **bp=NULL; jl_binding_t *b=NULL; for (size_t i=0; i < nl; i++) { if (locals[i*2] == (jl_value_t*)fname) { bp = &locals[i*2+1]; break; } } if (bp == NULL) { b = jl_get_binding(jl_current_module, fname); if (b == NULL) { // if no existing binding for this, make a new one b = jl_get_binding_wr(jl_current_module, fname); } bp = &b->value; } jl_value_t *atypes=NULL, *meth=NULL, *tvars=NULL; JL_GC_PUSH(&atypes, &meth, &tvars); atypes = eval(args[1], locals, nl); meth = eval(args[2], locals, nl); tvars = eval(args[3], locals, nl); jl_method_def(fname, bp, b, (jl_tuple_t*)atypes, (jl_function_t*)meth, (jl_tuple_t*)tvars); JL_GC_POP(); return jl_nothing; } else if (ex->head == const_sym) { jl_value_t *sym = args[0]; for (size_t i=0; i < nl; i++) { if (locals[i*2] == sym) { return (jl_value_t*)jl_nothing; } } jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)sym); jl_declare_constant(b); return (jl_value_t*)jl_nothing; } else if (ex->head == global_sym) { // create uninitialized mutable binding for "global x" decl // TODO: handle type decls for (size_t i=0; i < ex->args->length; i++) { assert(jl_is_symbol(args[i])); jl_get_binding_wr(jl_current_module, (jl_sym_t*)args[i]); } return (jl_value_t*)jl_nothing; } else if (ex->head == abstracttype_sym) { jl_value_t *name = args[0]; jl_value_t *para = eval(args[1], locals, nl); jl_value_t *super = NULL; JL_GC_PUSH(¶, &super); jl_tag_type_t *tt=jl_new_tagtype(name, jl_any_type, (jl_tuple_t*)para); jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name); jl_checked_assignment(b, (jl_value_t*)tt); super = eval(args[2], locals, nl); jl_set_tag_type_super(tt, super); JL_GC_POP(); return (jl_value_t*)jl_nothing; } else if (ex->head == bitstype_sym) { jl_value_t *name = args[0]; jl_value_t *super = NULL, *para = NULL, *vnb = NULL; JL_GC_PUSH(¶, &super, &vnb); para = eval(args[1], locals, nl); vnb = eval(args[2], locals, nl); if (!jl_is_long(vnb)) jl_errorf("invalid declaration of bits type %s", ((jl_sym_t*)name)->name); int32_t nb = jl_unbox_long(vnb); if (nb < 1 || nb>=(1<<23) || (nb&7) != 0) jl_errorf("invalid number of bits in type %s", ((jl_sym_t*)name)->name); jl_bits_type_t *bt = jl_new_bits_type(name, jl_any_type, (jl_tuple_t*)para, nb); jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name); jl_checked_assignment(b, (jl_value_t*)bt); super = eval(args[3], locals, nl); jl_set_tag_type_super((jl_tag_type_t*)bt, super); JL_GC_POP(); return (jl_value_t*)jl_nothing; } else if (ex->head == compositetype_sym) { void jl_add_constructors(jl_struct_type_t *t); jl_value_t *name = args[0]; jl_value_t *para = eval(args[1], locals, nl); jl_value_t *fnames = NULL; jl_value_t *super = NULL; jl_struct_type_t *st = NULL; JL_GC_PUSH(¶, &super, &fnames, &st); fnames = eval(args[2], locals, nl); st = jl_new_struct_type((jl_sym_t*)name, jl_any_type, (jl_tuple_t*)para, (jl_tuple_t*)fnames, NULL); st->ctor_factory = eval(args[3], locals, nl); jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name); jl_checked_assignment(b, (jl_value_t*)st); st->types = (jl_tuple_t*)eval(args[5], locals, nl); jl_check_type_tuple(st->types, st->name->name, "type definition"); super = eval(args[4], locals, nl); jl_set_tag_type_super((jl_tag_type_t*)st, super); jl_compute_struct_offsets(st); jl_add_constructors(st); JL_GC_POP(); return (jl_value_t*)jl_nothing; } else if (ex->head == macro_sym) { jl_sym_t *nm = (jl_sym_t*)args[0]; assert(jl_is_symbol(nm)); jl_function_t *f = (jl_function_t*)eval(args[1], locals, nl); assert(jl_is_function(f)); if (jl_boot_file_loaded && f->linfo && f->linfo->ast && jl_is_expr(f->linfo->ast)) { jl_lambda_info_t *li = f->linfo; li->ast = jl_compress_ast(li, li->ast); li->name = nm; } jl_set_expander(jl_current_module, nm, f); return (jl_value_t*)jl_nothing; } else if (ex->head == error_sym || ex->head == jl_continue_sym) { if (jl_is_byte_string(args[0])) jl_errorf("syntax error: %s", jl_string_data(args[0])); jl_raise(args[0]); } else if (ex->head == line_sym) { return (jl_value_t*)jl_nothing; } else if (ex->head == multivalue_sym) { return (jl_value_t*)jl_nothing; } jl_errorf("unsupported or misplaced expression %s", ex->head->name); return (jl_value_t*)jl_nothing; }
static jl_value_t *eval(jl_value_t *e, jl_value_t **locals, size_t nl, size_t ngensym) { if (jl_is_symbol(e)) { jl_value_t *v; size_t i; for(i=0; i < nl; i++) { if (locals[i*2] == e) { v = locals[i*2+1]; break; } } if (i >= nl) { v = jl_get_global(jl_current_module, (jl_sym_t*)e); } if (v == NULL) { jl_undefined_var_error((jl_sym_t*)e); } return v; } if (jl_is_symbolnode(e)) { return eval((jl_value_t*)jl_symbolnode_sym(e), locals, nl, ngensym); } if (jl_is_gensym(e)) { ssize_t genid = ((jl_gensym_t*)e)->id; if (genid >= ngensym || genid < 0) jl_error("access to invalid GenSym location"); else return locals[nl*2 + genid]; } if (jl_is_quotenode(e)) { return jl_fieldref(e,0); } if (jl_is_topnode(e)) { jl_sym_t *s = (jl_sym_t*)jl_fieldref(e,0); jl_value_t *v = jl_get_global(jl_base_relative_to(jl_current_module),s); if (v == NULL) jl_undefined_var_error(s); return v; } if (!jl_is_expr(e)) { if (jl_is_globalref(e)) { jl_value_t *gfargs[2] = {(jl_value_t*)jl_globalref_mod(e), (jl_value_t*)jl_globalref_name(e)}; return jl_f_get_field(NULL, gfargs, 2); } if (jl_is_lambda_info(e)) { jl_lambda_info_t *li = (jl_lambda_info_t*)e; if (jl_boot_file_loaded && li->ast && jl_is_expr(li->ast)) { li->ast = jl_compress_ast(li, li->ast); jl_gc_wb(li, li->ast); } return (jl_value_t*)jl_new_closure(NULL, (jl_value_t*)jl_emptysvec, li); } if (jl_is_linenode(e)) { jl_lineno = jl_linenode_line(e); } if (jl_is_newvarnode(e)) { jl_value_t *var = jl_fieldref(e,0); assert(!jl_is_gensym(var)); assert(jl_is_symbol(var)); for(size_t i=0; i < nl; i++) { if (locals[i*2] == var) { locals[i*2+1] = NULL; break; } } return (jl_value_t*)jl_nothing; } return e; } jl_expr_t *ex = (jl_expr_t*)e; jl_value_t **args = (jl_value_t**)jl_array_data(ex->args); size_t nargs = jl_array_len(ex->args); if (ex->head == call_sym) { if (jl_is_lambda_info(args[0])) { // directly calling an inner function ("let") jl_lambda_info_t *li = (jl_lambda_info_t*)args[0]; if (jl_is_expr(li->ast) && !jl_lam_vars_captured((jl_expr_t*)li->ast) && !jl_has_intrinsics((jl_expr_t*)li->ast, (jl_expr_t*)li->ast, jl_current_module)) { size_t na = nargs-1; if (na == 0) return jl_interpret_toplevel_thunk(li); jl_array_t *formals = jl_lam_args((jl_expr_t*)li->ast); size_t nreq = jl_array_len(formals); if (nreq==0 || !jl_is_rest_arg(jl_cellref(formals,nreq-1))) { jl_value_t **ar; JL_GC_PUSHARGS(ar, na*2); for(int i=0; i < na; i++) { ar[i*2+1] = eval(args[i+1], locals, nl, ngensym); jl_gc_wb(ex->args, ar[i*2+1]); } if (na != nreq) { jl_error("wrong number of arguments"); } for(int i=0; i < na; i++) { jl_value_t *v = jl_cellref(formals, i); ar[i*2] = (jl_is_gensym(v)) ? v : (jl_value_t*)jl_decl_var(v); } jl_value_t *ret = jl_interpret_toplevel_thunk_with(li, ar, na); JL_GC_POP(); return ret; } } } jl_function_t *f = (jl_function_t*)eval(args[0], locals, nl, ngensym); if (jl_is_func(f)) return do_call(f, &args[1], nargs-1, NULL, locals, nl, ngensym); else return do_call(jl_module_call_func(jl_current_module), args, nargs, (jl_value_t*)f, locals, nl, ngensym); } else if (ex->head == assign_sym) { jl_value_t *sym = args[0]; jl_value_t *rhs = eval(args[1], locals, nl, ngensym); if (jl_is_gensym(sym)) { ssize_t genid = ((jl_gensym_t*)sym)->id; if (genid >= ngensym || genid < 0) jl_error("assignment to invalid GenSym location"); locals[nl*2 + genid] = rhs; return rhs; } if (jl_is_symbol(sym)) { size_t i; for (i=0; i < nl; i++) { if (locals[i*2] == sym) { locals[i*2+1] = rhs; return rhs; } } } jl_module_t *m = jl_current_module; if (jl_is_globalref(sym)) { m = jl_globalref_mod(sym); sym = (jl_value_t*)jl_globalref_name(sym); } assert(jl_is_symbol(sym)); JL_GC_PUSH1(&rhs); jl_binding_t *b = jl_get_binding_wr(m, (jl_sym_t*)sym); jl_checked_assignment(b, rhs); JL_GC_POP(); return rhs; } else if (ex->head == new_sym) { jl_value_t *thetype = eval(args[0], locals, nl, ngensym); jl_value_t *v=NULL; JL_GC_PUSH2(&thetype, &v); assert(jl_is_structtype(thetype)); v = jl_new_struct_uninit((jl_datatype_t*)thetype); for(size_t i=1; i < nargs; i++) { jl_set_nth_field(v, i-1, eval(args[i], locals, nl, ngensym)); } JL_GC_POP(); return v; } else if (ex->head == null_sym) { return (jl_value_t*)jl_nothing; } else if (ex->head == body_sym) { return eval_body(ex->args, locals, nl, ngensym, 0, 0); } else if (ex->head == exc_sym) { return jl_exception_in_transit; } else if (ex->head == static_typeof_sym) { return (jl_value_t*)jl_any_type; } else if (ex->head == method_sym) { jl_sym_t *fname = (jl_sym_t*)args[0]; jl_value_t **bp=NULL; jl_value_t *bp_owner=NULL; jl_binding_t *b=NULL; jl_value_t *gf=NULL; int kw=0; if (jl_is_expr(fname) || jl_is_globalref(fname)) { if (jl_is_expr(fname) && ((jl_expr_t*)fname)->head == kw_sym) { kw = 1; fname = (jl_sym_t*)jl_exprarg(fname, 0); } gf = eval((jl_value_t*)fname, locals, nl, ngensym); if (jl_is_expr(fname)) fname = (jl_sym_t*)jl_fieldref(jl_exprarg(fname, 2), 0); bp = &gf; assert(jl_is_symbol(fname)); } else { for (size_t i=0; i < nl; i++) { if (locals[i*2] == (jl_value_t*)fname) { bp = &locals[i*2+1]; break; } } if (bp == NULL) { b = jl_get_binding_for_method_def(jl_current_module, fname); bp = &b->value; bp_owner = (jl_value_t*)jl_current_module; } } if (jl_expr_nargs(ex) == 1) return jl_generic_function_def(fname, bp, bp_owner, b); jl_value_t *atypes=NULL, *meth=NULL; JL_GC_PUSH2(&atypes, &meth); atypes = eval(args[1], locals, nl, ngensym); if (jl_is_lambda_info(args[2])) { jl_check_static_parameter_conflicts((jl_lambda_info_t*)args[2], (jl_svec_t*)jl_svecref(atypes,1), fname); } meth = eval(args[2], locals, nl, ngensym); jl_method_def(fname, bp, bp_owner, b, (jl_svec_t*)atypes, (jl_function_t*)meth, args[3], NULL, kw); JL_GC_POP(); return *bp; } else if (ex->head == copyast_sym) { return jl_copy_ast(eval(args[0], locals, nl, ngensym)); } else if (ex->head == const_sym) { jl_value_t *sym = args[0]; assert(jl_is_symbol(sym)); for (size_t i=0; i < nl; i++) { if (locals[i*2] == sym) { return (jl_value_t*)jl_nothing; } } jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)sym); jl_declare_constant(b); return (jl_value_t*)jl_nothing; } else if (ex->head == global_sym) { // create uninitialized mutable binding for "global x" decl // TODO: handle type decls for (size_t i=0; i < jl_array_len(ex->args); i++) { assert(jl_is_symbol(args[i])); jl_get_binding_wr(jl_current_module, (jl_sym_t*)args[i]); } return (jl_value_t*)jl_nothing; } else if (ex->head == abstracttype_sym) { jl_value_t *name = args[0]; jl_value_t *para = eval(args[1], locals, nl, ngensym); jl_value_t *super = NULL; jl_value_t *temp = NULL; jl_datatype_t *dt = NULL; JL_GC_PUSH4(¶, &super, &temp, &dt); assert(jl_is_svec(para)); assert(jl_is_symbol(name)); dt = jl_new_abstracttype(name, jl_any_type, (jl_svec_t*)para); jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name); temp = b->value; check_can_assign_type(b); b->value = (jl_value_t*)dt; jl_gc_wb_binding(b, dt); super = eval(args[2], locals, nl, ngensym); jl_set_datatype_super(dt, super); b->value = temp; if (temp==NULL || !equiv_type(dt, (jl_datatype_t*)temp)) { jl_checked_assignment(b, (jl_value_t*)dt); } JL_GC_POP(); return (jl_value_t*)jl_nothing; } else if (ex->head == bitstype_sym) { jl_value_t *name = args[0]; jl_value_t *super = NULL, *para = NULL, *vnb = NULL, *temp = NULL; jl_datatype_t *dt = NULL; JL_GC_PUSH4(¶, &super, &temp, &dt); assert(jl_is_symbol(name)); para = eval(args[1], locals, nl, ngensym); assert(jl_is_svec(para)); vnb = eval(args[2], locals, nl, ngensym); if (!jl_is_long(vnb)) jl_errorf("invalid declaration of bits type %s", ((jl_sym_t*)name)->name); ssize_t nb = jl_unbox_long(vnb); if (nb < 1 || nb>=(1<<23) || (nb&7) != 0) jl_errorf("invalid number of bits in type %s", ((jl_sym_t*)name)->name); dt = jl_new_bitstype(name, jl_any_type, (jl_svec_t*)para, nb); jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name); temp = b->value; check_can_assign_type(b); b->value = (jl_value_t*)dt; jl_gc_wb_binding(b, dt); super = eval(args[3], locals, nl, ngensym); jl_set_datatype_super(dt, super); b->value = temp; if (temp==NULL || !equiv_type(dt, (jl_datatype_t*)temp)) { jl_checked_assignment(b, (jl_value_t*)dt); } JL_GC_POP(); return (jl_value_t*)jl_nothing; } else if (ex->head == compositetype_sym) { jl_value_t *name = args[0]; assert(jl_is_symbol(name)); jl_value_t *para = eval(args[1], locals, nl, ngensym); assert(jl_is_svec(para)); jl_value_t *temp = NULL; jl_value_t *super = NULL; jl_datatype_t *dt = NULL; JL_GC_PUSH4(¶, &super, &temp, &dt); temp = eval(args[2], locals, nl, ngensym); // field names dt = jl_new_datatype((jl_sym_t*)name, jl_any_type, (jl_svec_t*)para, (jl_svec_t*)temp, NULL, 0, args[5]==jl_true ? 1 : 0, jl_unbox_long(args[6])); jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name); temp = b->value; // save old value // temporarily assign so binding is available for field types check_can_assign_type(b); b->value = (jl_value_t*)dt; jl_gc_wb_binding(b,dt); JL_TRY { // operations that can fail inside_typedef = 1; dt->types = (jl_svec_t*)eval(args[4], locals, nl, ngensym); jl_gc_wb(dt, dt->types); inside_typedef = 0; for(size_t i=0; i < jl_svec_len(dt->types); i++) { jl_value_t *elt = jl_svecref(dt->types, i); if (!jl_is_type(elt) && !jl_is_typevar(elt)) jl_type_error_rt(dt->name->name->name, "type definition", (jl_value_t*)jl_type_type, elt); } super = eval(args[3], locals, nl, ngensym); jl_set_datatype_super(dt, super); } JL_CATCH { b->value = temp; jl_rethrow(); } for(size_t i=0; i < jl_svec_len(para); i++) { ((jl_tvar_t*)jl_svecref(para,i))->bound = 0; } jl_compute_field_offsets(dt); if (para == (jl_value_t*)jl_emptysvec && jl_is_datatype_singleton(dt)) { dt->instance = newstruct(dt); jl_gc_wb(dt, dt->instance); } b->value = temp; if (temp==NULL || !equiv_type(dt, (jl_datatype_t*)temp)) { jl_checked_assignment(b, (jl_value_t*)dt); } else { // TODO: remove all old ctors and set temp->name->ctor_factory = dt->name->ctor_factory } JL_GC_POP(); return (jl_value_t*)jl_nothing; }
jl_value_t *jl_toplevel_eval_flex(jl_value_t *e, int fast, int *plineno) { //jl_show(ex); //JL_PRINTF(JL_STDOUT, "\n"); if (!jl_is_expr(e)) return jl_interpret_toplevel_expr(e); jl_expr_t *ex = (jl_expr_t*)e; if (ex->head == null_sym || ex->head == error_sym) { // expression types simple enough not to need expansion return jl_interpret_toplevel_expr(e); } if (ex->head == module_sym) { return jl_eval_module_expr(ex, plineno); } // handle import, export toplevel-only forms if (ex->head == importall_sym) { jl_module_t *m = eval_import_path(ex->args); jl_sym_t *name = (jl_sym_t*)jl_cellref(ex->args, ex->args->length-1); assert(jl_is_symbol(name)); m = (jl_module_t*)jl_eval_global_var(m, name); if (!jl_is_module(m)) jl_errorf("invalid import statement"); jl_module_importall(jl_current_module, m); return jl_nothing; } if (ex->head == import_sym) { jl_module_t *m = eval_import_path(ex->args); jl_sym_t *name = (jl_sym_t*)jl_cellref(ex->args, ex->args->length-1); assert(jl_is_symbol(name)); jl_module_import(jl_current_module, m, name); return jl_nothing; } if (ex->head == export_sym) { for(size_t i=0; i < ex->args->length; i++) { jl_module_export(jl_current_module, (jl_sym_t*)jl_cellref(ex->args, i)); } return jl_nothing; } jl_value_t *thunk=NULL; jl_value_t *result; jl_lambda_info_t *thk=NULL; int ewc = 0; JL_GC_PUSH(&thunk, &thk, &ex); if (ex->head != body_sym && ex->head != thunk_sym) { // not yet expanded ex = (jl_expr_t*)jl_expand(e); } if (jl_is_expr(ex) && ex->head == thunk_sym) { thk = (jl_lambda_info_t*)jl_exprarg(ex,0); assert(jl_is_lambda_info(thk)); ewc = jl_eval_with_compiler_p(jl_lam_body((jl_expr_t*)thk->ast), fast); if (!ewc) { jl_array_t *vinfos = jl_lam_vinfo((jl_expr_t*)thk->ast); int i; for(i=0; i < vinfos->length; i++) { if (jl_vinfo_capt((jl_array_t*)jl_cellref(vinfos,i))) { // interpreter doesn't handle closure environment ewc = 1; break; } } } } else { if (jl_is_expr(ex) && jl_eval_with_compiler_p((jl_expr_t*)ex, fast)) { thk = jl_wrap_expr((jl_value_t*)ex); ewc = 1; } else { result = jl_interpret_toplevel_expr((jl_value_t*)ex); JL_GC_POP(); return result; } } if (ewc) { thunk = (jl_value_t*)jl_new_closure(NULL, (jl_value_t*)jl_null, thk); if (!jl_in_inference) { jl_type_infer(thk, jl_tuple_type, thk); } result = jl_apply((jl_function_t*)thunk, NULL, 0); } else { result = jl_interpret_toplevel_thunk(thk); } JL_GC_POP(); return result; }
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")) { 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_module_using(newm, jl_base_module); // using Base } JL_GC_PUSH(&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 < exprs->length; 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->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_sym_t *jl_decl_var(jl_value_t *ex) { if (jl_is_symbol(ex)) return (jl_sym_t*)ex; assert(jl_is_expr(ex)); return (jl_sym_t*)jl_exprarg(ex, 0); }
static jl_value_t *scm_to_julia_(fl_context_t *fl_ctx, value_t e, jl_module_t *mod) { if (fl_isnumber(fl_ctx, e)) { int64_t i64; if (isfixnum(e)) { i64 = numval(e); } else { assert(iscprim(e)); cprim_t *cp = (cprim_t*)ptr(e); numerictype_t nt = cp_numtype(cp); switch (nt) { case T_DOUBLE: return (jl_value_t*)jl_box_float64(*(double*)cp_data(cp)); case T_FLOAT: return (jl_value_t*)jl_box_float32(*(float*)cp_data(cp)); case T_UINT8: return (jl_value_t*)jl_box_uint8(*(uint8_t*)cp_data(cp)); case T_UINT16: return (jl_value_t*)jl_box_uint16(*(uint16_t*)cp_data(cp)); case T_UINT32: return (jl_value_t*)jl_box_uint32(*(uint32_t*)cp_data(cp)); case T_UINT64: return (jl_value_t*)jl_box_uint64(*(uint64_t*)cp_data(cp)); default: ; } i64 = conv_to_int64(cp_data(cp), nt); } #ifdef _P64 return (jl_value_t*)jl_box_int64(i64); #else if (i64 > (int64_t)S32_MAX || i64 < (int64_t)S32_MIN) return (jl_value_t*)jl_box_int64(i64); else return (jl_value_t*)jl_box_int32((int32_t)i64); #endif } if (issymbol(e)) { if (e == jl_ast_ctx(fl_ctx)->true_sym) return jl_true; else if (e == jl_ast_ctx(fl_ctx)->false_sym) return jl_false; return (jl_value_t*)scmsym_to_julia(fl_ctx, e); } if (fl_isstring(fl_ctx, e)) return jl_pchar_to_string((char*)cvalue_data(e), cvalue_len(e)); if (iscons(e) || e == fl_ctx->NIL) { value_t hd; jl_sym_t *sym; if (e == fl_ctx->NIL) { hd = e; } else { hd = car_(e); if (hd == jl_ast_ctx(fl_ctx)->ssavalue_sym) return jl_box_ssavalue(numval(car_(cdr_(e)))); else if (hd == jl_ast_ctx(fl_ctx)->slot_sym) return jl_box_slotnumber(numval(car_(cdr_(e)))); else if (hd == jl_ast_ctx(fl_ctx)->null_sym && llength(e) == 1) return jl_nothing; } if (issymbol(hd)) sym = scmsym_to_julia(fl_ctx, hd); else sym = list_sym; size_t n = llength(e)-1; if (issymbol(hd)) e = cdr_(e); else n++; // nodes with special representations jl_value_t *ex = NULL, *temp = NULL; if (sym == line_sym && (n == 1 || n == 2)) { jl_value_t *linenum = scm_to_julia_(fl_ctx, car_(e), mod); jl_value_t *file = jl_nothing; JL_GC_PUSH2(&linenum, &file); if (n == 2) file = scm_to_julia_(fl_ctx, car_(cdr_(e)), mod); temp = jl_new_struct(jl_linenumbernode_type, linenum, file); JL_GC_POP(); return temp; } JL_GC_PUSH1(&ex); if (sym == label_sym) { ex = scm_to_julia_(fl_ctx, car_(e), mod); temp = jl_new_struct(jl_labelnode_type, ex); } else if (sym == goto_sym) { ex = scm_to_julia_(fl_ctx, car_(e), mod); temp = jl_new_struct(jl_gotonode_type, ex); } else if (sym == newvar_sym) { ex = scm_to_julia_(fl_ctx, car_(e), mod); temp = jl_new_struct(jl_newvarnode_type, ex); } else if (sym == globalref_sym) { ex = scm_to_julia_(fl_ctx, car_(e), mod); temp = scm_to_julia_(fl_ctx, car_(cdr_(e)), mod); assert(jl_is_module(ex)); assert(jl_is_symbol(temp)); temp = jl_module_globalref((jl_module_t*)ex, (jl_sym_t*)temp); } else if (sym == top_sym) { assert(mod && "top should not be generated by the parser"); ex = scm_to_julia_(fl_ctx, car_(e), mod); assert(jl_is_symbol(ex)); temp = jl_module_globalref(jl_base_relative_to(mod), (jl_sym_t*)ex); } else if (sym == core_sym) { ex = scm_to_julia_(fl_ctx, car_(e), mod); assert(jl_is_symbol(ex)); temp = jl_module_globalref(jl_core_module, (jl_sym_t*)ex); } else if (sym == inert_sym || (sym == quote_sym && (!iscons(car_(e))))) { ex = scm_to_julia_(fl_ctx, car_(e), mod); temp = jl_new_struct(jl_quotenode_type, ex); } if (temp) { JL_GC_POP(); return temp; } ex = (jl_value_t*)jl_exprn(sym, n); size_t i; for (i = 0; i < n; i++) { assert(iscons(e)); jl_array_ptr_set(((jl_expr_t*)ex)->args, i, scm_to_julia_(fl_ctx, car_(e), mod)); e = cdr_(e); } if (sym == lambda_sym) ex = (jl_value_t*)jl_new_code_info_from_ast((jl_expr_t*)ex); JL_GC_POP(); if (sym == list_sym) return (jl_value_t*)((jl_expr_t*)ex)->args; return (jl_value_t*)ex; } if (iscprim(e) && cp_class((cprim_t*)ptr(e)) == fl_ctx->wchartype) { uint32_t c, u = *(uint32_t*)cp_data((cprim_t*)ptr(e)); if (u < 0x80) { c = u << 24; } else { c = ((u << 0) & 0x0000003f) | ((u << 2) & 0x00003f00) | ((u << 4) & 0x003f0000) | ((u << 6) & 0x3f000000); c = u < 0x00000800 ? (c << 16) | 0xc0800000 : u < 0x00010000 ? (c << 8) | 0xe0808000 : (c << 0) | 0xf0808080 ; } return jl_box_char(c); } if (iscvalue(e) && cv_class((cvalue_t*)ptr(e)) == jl_ast_ctx(fl_ctx)->jvtype) { return *(jl_value_t**)cv_data((cvalue_t*)ptr(e)); } jl_error("malformed tree"); }
static void jl_serialize_value_(ios_t *s, jl_value_t *v) { if (v == NULL) { write_uint8(s, Null_tag); return; } void **bp = ptrhash_bp(&ser_tag, v); if (*bp != HT_NOTFOUND) { write_as_tag(s, (uint8_t)(ptrint_t)*bp); return; } if (tree_literal_values) { // compressing tree if (!is_ast_node(v)) { writetag(s, (jl_value_t*)LiteralVal_tag); write_uint16(s, literal_val_id(v)); return; } } else { bp = ptrhash_bp(&backref_table, v); if (*bp != HT_NOTFOUND) { write_uint8(s, BackRef_tag); write_int32(s, (ptrint_t)*bp); return; } ptrhash_put(&backref_table, v, (void*)(ptrint_t)ios_pos(s)); } size_t i; if (jl_is_tuple(v)) { size_t l = ((jl_tuple_t*)v)->length; if (l <= 255) { writetag(s, jl_tuple_type); write_uint8(s, (uint8_t)l); } else { writetag(s, (jl_value_t*)LongTuple_tag); write_int32(s, l); } for(i=0; i < l; i++) { jl_serialize_value(s, jl_tupleref(v, i)); } } else if (jl_is_symbol(v)) { size_t l = strlen(((jl_sym_t*)v)->name); if (l <= 255) { writetag(s, jl_symbol_type); write_uint8(s, (uint8_t)l); } else { writetag(s, (jl_value_t*)LongSymbol_tag); write_int32(s, l); } ios_write(s, ((jl_sym_t*)v)->name, l); } else if (jl_is_array(v)) { jl_array_t *ar = (jl_array_t*)v; writetag(s, (jl_value_t*)jl_array_type); jl_serialize_value(s, ar->type); jl_value_t *elty = jl_tparam0(ar->type); for (i=0; i < ar->ndims; i++) jl_serialize_value(s, jl_box_long(jl_array_dim(ar,i))); if (jl_is_bits_type(elty)) { size_t tot = ar->length * ar->elsize; ios_write(s, ar->data, tot); } else { for(i=0; i < ar->length; i++) { jl_serialize_value(s, jl_cellref(v, i)); } } } else if (jl_is_expr(v)) { jl_expr_t *e = (jl_expr_t*)v; size_t l = e->args->length; if (l <= 255) { writetag(s, jl_expr_type); write_uint8(s, (uint8_t)l); } else { writetag(s, (jl_value_t*)LongExpr_tag); write_int32(s, l); } jl_serialize_value(s, e->head); jl_serialize_value(s, e->etype); for(i=0; i < l; i++) { jl_serialize_value(s, jl_exprarg(e, i)); } } else if (jl_is_some_tag_type(v)) { jl_serialize_tag_type(s, v); } else if (jl_is_typevar(v)) { writetag(s, jl_tvar_type); jl_serialize_value(s, ((jl_tvar_t*)v)->name); jl_serialize_value(s, ((jl_tvar_t*)v)->lb); jl_serialize_value(s, ((jl_tvar_t*)v)->ub); write_int8(s, ((jl_tvar_t*)v)->bound); } else if (jl_is_function(v)) { writetag(s, jl_func_kind); jl_serialize_value(s, v->type); jl_function_t *f = (jl_function_t*)v; jl_serialize_value(s, (jl_value_t*)f->linfo); jl_serialize_value(s, f->env); if (f->linfo && f->linfo->ast && (jl_is_expr(f->linfo->ast) || jl_is_tuple(f->linfo->ast)) && f->fptr != &jl_trampoline) { write_int32(s, 0); } else { jl_serialize_fptr(s, f->fptr); } } else if (jl_is_lambda_info(v)) { writetag(s, jl_lambda_info_type); jl_lambda_info_t *li = (jl_lambda_info_t*)v; jl_serialize_value(s, li->ast); jl_serialize_value(s, (jl_value_t*)li->sparams); // don't save cached type info for code in the Base module, because // it might reference types in the old System module. if (li->module == jl_base_module) jl_serialize_value(s, (jl_value_t*)jl_null); else jl_serialize_value(s, (jl_value_t*)li->tfunc); jl_serialize_value(s, (jl_value_t*)li->name); jl_serialize_value(s, (jl_value_t*)li->specTypes); jl_serialize_value(s, (jl_value_t*)li->specializations); jl_serialize_value(s, (jl_value_t*)li->inferred); jl_serialize_value(s, (jl_value_t*)li->file); jl_serialize_value(s, (jl_value_t*)li->line); jl_serialize_value(s, (jl_value_t*)li->module); } else if (jl_typeis(v, jl_module_type)) { jl_serialize_module(s, (jl_module_t*)v); } else if (jl_typeis(v, jl_methtable_type)) { writetag(s, jl_methtable_type); jl_methtable_t *mt = (jl_methtable_t*)v; jl_serialize_methlist(s, mt->defs); jl_serialize_methlist(s, mt->cache); jl_serialize_value(s, mt->cache_1arg); write_int32(s, mt->max_args); } else if (jl_typeis(v, jl_task_type)) { jl_error("Task cannot be serialized"); } else { jl_value_t *t = (jl_value_t*)jl_typeof(v); if (jl_is_bits_type(t)) { void *data = jl_bits_data(v); if (t == (jl_value_t*)jl_int64_type && *(int64_t*)data >= S32_MIN && *(int64_t*)data <= S32_MAX) { writetag(s, (jl_value_t*)SmallInt64_tag); write_int32(s, (int32_t)*(int64_t*)data); } else { int nb = ((jl_bits_type_t*)t)->nbits; writetag(s, jl_bits_kind); jl_serialize_value(s, t); ios_write(s, data, nb/8); } } else if (jl_is_struct_type(t)) { writetag(s, jl_struct_kind); jl_serialize_value(s, t); size_t nf = ((jl_struct_type_t*)t)->names->length; size_t i; for(i=0; i < nf; i++) { jl_value_t *fld = ((jl_value_t**)v)[i+1]; jl_serialize_value(s, fld); } if (t == jl_idtable_type) { jl_cell_1d_push(idtable_list, v); } } else { assert(0); } } }
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; }
// ccall(pointer, rettype, (argtypes...), args...) static Value *emit_ccall(jl_value_t **args, size_t nargs, jl_codectx_t *ctx) { JL_NARGSV(ccall, 3); jl_value_t *ptr=NULL, *rt=NULL, *at=NULL; JL_GC_PUSH(&ptr, &rt, &at); ptr = jl_interpret_toplevel_expr_in(ctx->module, args[1], &jl_tupleref(ctx->sp,0), jl_tuple_len(ctx->sp)/2); rt = jl_interpret_toplevel_expr_in(ctx->module, args[2], &jl_tupleref(ctx->sp,0), jl_tuple_len(ctx->sp)/2); if (jl_is_tuple(rt)) { std::string msg = "in " + ctx->funcName + ": ccall: missing return type"; jl_error(msg.c_str()); } at = jl_interpret_toplevel_expr_in(ctx->module, args[3], &jl_tupleref(ctx->sp,0), jl_tuple_len(ctx->sp)/2); void *fptr=NULL; char *f_name=NULL, *f_lib=NULL; if (jl_is_tuple(ptr) && jl_tuple_len(ptr)==1) { ptr = jl_tupleref(ptr,0); } if (jl_is_symbol(ptr)) f_name = ((jl_sym_t*)ptr)->name; else if (jl_is_byte_string(ptr)) f_name = jl_string_data(ptr); if (f_name != NULL) { // just symbol, default to JuliaDLHandle #ifdef __WIN32__ fptr = jl_dlsym_e(jl_dl_handle, f_name); if (!fptr) { fptr = jl_dlsym_e(jl_kernel32_handle, f_name); if (!fptr) { fptr = jl_dlsym_e(jl_ntdll_handle, f_name); if (!fptr) { fptr = jl_dlsym_e(jl_crtdll_handle, f_name); if (!fptr) { fptr = jl_dlsym(jl_winsock_handle, f_name); } } } } else { // available in process symbol table fptr = NULL; } #else // will look in process symbol table #endif } else if (jl_is_cpointer_type(jl_typeof(ptr))) { fptr = *(void**)jl_bits_data(ptr); } else if (jl_is_tuple(ptr) && jl_tuple_len(ptr)>1) { jl_value_t *t0 = jl_tupleref(ptr,0); jl_value_t *t1 = jl_tupleref(ptr,1); if (jl_is_symbol(t0)) f_name = ((jl_sym_t*)t0)->name; else if (jl_is_byte_string(t0)) f_name = jl_string_data(t0); else JL_TYPECHK(ccall, symbol, t0); if (jl_is_symbol(t1)) f_lib = ((jl_sym_t*)t1)->name; else if (jl_is_byte_string(t1)) f_lib = jl_string_data(t1); else JL_TYPECHK(ccall, symbol, t1); } else { JL_TYPECHK(ccall, pointer, ptr); } if (f_name == NULL && fptr == NULL) { JL_GC_POP(); emit_error("ccall: null function pointer", ctx); return literal_pointer_val(jl_nothing); } JL_TYPECHK(ccall, type, rt); JL_TYPECHK(ccall, tuple, at); JL_TYPECHK(ccall, type, at); jl_tuple_t *tt = (jl_tuple_t*)at; std::vector<Type *> fargt(0); std::vector<Type *> fargt_sig(0); Type *lrt = julia_type_to_llvm(rt); if (lrt == NULL) { JL_GC_POP(); return literal_pointer_val(jl_nothing); } size_t i; bool haspointers = false; bool isVa = false; for(i=0; i < jl_tuple_len(tt); i++) { jl_value_t *tti = jl_tupleref(tt,i); if (jl_is_seq_type(tti)) { isVa = true; tti = jl_tparam0(tti); } Type *t = julia_type_to_llvm(tti); if (t == NULL) { JL_GC_POP(); return literal_pointer_val(jl_nothing); } fargt.push_back(t); if (!isVa) fargt_sig.push_back(t); } // check for calling convention specifier CallingConv::ID cc = CallingConv::C; jl_value_t *last = args[nargs]; if (jl_is_expr(last)) { jl_sym_t *lhd = ((jl_expr_t*)last)->head; if (lhd == jl_symbol("stdcall")) { cc = CallingConv::X86_StdCall; nargs--; } else if (lhd == jl_symbol("cdecl")) { cc = CallingConv::C; nargs--; } else if (lhd == jl_symbol("fastcall")) { cc = CallingConv::X86_FastCall; nargs--; } } if ((!isVa && jl_tuple_len(tt) != (nargs-2)/2) || ( isVa && jl_tuple_len(tt)-1 > (nargs-2)/2)) jl_error("ccall: wrong number of arguments to C function"); // some special functions if (fptr == &jl_array_ptr) { Value *ary = emit_expr(args[4], ctx); JL_GC_POP(); return mark_julia_type(builder.CreateBitCast(emit_arrayptr(ary),lrt), rt); } // see if there are & arguments for(i=4; i < nargs+1; i+=2) { jl_value_t *argi = args[i]; if (jl_is_expr(argi) && ((jl_expr_t*)argi)->head == amp_sym) { haspointers = true; break; } } // make LLVM function object for the target Constant *llvmf; FunctionType *functype = FunctionType::get(lrt, fargt_sig, isVa); if (fptr != NULL) { Type *funcptype = PointerType::get(functype,0); llvmf = ConstantExpr::getIntToPtr( ConstantInt::get(funcptype, (uint64_t)fptr), funcptype); } else { if (f_lib != NULL) add_library_sym(f_name, f_lib); llvmf = jl_Module->getOrInsertFunction(f_name, functype); } // save temp argument area stack pointer Value *saveloc=NULL; Value *stacksave=NULL; if (haspointers) { // TODO: inline this saveloc = builder.CreateCall(save_arg_area_loc_func); stacksave = builder.CreateCall(Intrinsic::getDeclaration(jl_Module, Intrinsic::stacksave)); } // emit arguments Value *argvals[(nargs-3)/2]; int last_depth = ctx->argDepth; int nargty = jl_tuple_len(tt); for(i=4; i < nargs+1; i+=2) { int ai = (i-4)/2; jl_value_t *argi = args[i]; bool addressOf = false; if (jl_is_expr(argi) && ((jl_expr_t*)argi)->head == amp_sym) { addressOf = true; argi = jl_exprarg(argi,0); } Type *largty; jl_value_t *jargty; if (isVa && ai >= nargty-1) { largty = fargt[nargty-1]; jargty = jl_tparam0(jl_tupleref(tt,nargty-1)); } else { largty = fargt[ai]; jargty = jl_tupleref(tt,ai); } Value *arg; if (largty == jl_pvalue_llvmt) { arg = emit_expr(argi, ctx, true); } else { arg = emit_unboxed(argi, ctx); if (jl_is_bits_type(expr_type(argi, ctx))) { if (addressOf) arg = emit_unbox(largty->getContainedType(0), largty, arg); else arg = emit_unbox(largty, PointerType::get(largty,0), arg); } } /* #ifdef JL_GC_MARKSWEEP // make sure args are rooted if (largty->isPointerTy() && (largty == jl_pvalue_llvmt || !jl_is_bits_type(expr_type(args[i], ctx)))) { make_gcroot(boxed(arg), ctx); } #endif */ argvals[ai] = julia_to_native(largty, jargty, arg, argi, addressOf, ai+1, ctx); } // the actual call Value *result = builder.CreateCall(llvmf, ArrayRef<Value*>(&argvals[0],(nargs-3)/2)); if (cc != CallingConv::C) ((CallInst*)result)->setCallingConv(cc); // restore temp argument area stack pointer if (haspointers) { assert(saveloc != NULL); builder.CreateCall(restore_arg_area_loc_func, saveloc); assert(stacksave != NULL); builder.CreateCall(Intrinsic::getDeclaration(jl_Module, Intrinsic::stackrestore), stacksave); } ctx->argDepth = last_depth; if (0) { // Enable this to turn on SSPREQ (-fstack-protector) on the function containing this ccall ctx->f->addFnAttr(Attribute::StackProtectReq); } JL_GC_POP(); if (lrt == T_void) return literal_pointer_val((jl_value_t*)jl_nothing); return mark_julia_type(result, rt); }
static jl_module_t *eval_import_path_(jl_array_t *args, int retrying) { // in .A.B.C, first find a binding for A in the chain of module scopes // following parent links. then evaluate the rest of the path from there. // in A.B, look for A in Main first. jl_sym_t *var = (jl_sym_t*)jl_cellref(args,0); size_t i=1; assert(jl_is_symbol(var)); jl_module_t *m; if (var != dot_sym) { m = jl_main_module; } else { m = jl_current_module; while (1) { var = (jl_sym_t*)jl_cellref(args,i); i++; if (var != dot_sym) { if (i == jl_array_len(args)) return m; else break; } m = m->parent; } } while (1) { if (jl_binding_resolved_p(m, var)) { jl_binding_t *mb = jl_get_binding(m, var); assert(mb != NULL); if (mb->owner == m || mb->imported) { m = (jl_module_t*)mb->value; if (m == NULL || !jl_is_module(m)) jl_errorf("invalid module path (%s does not name a module)", var->name); break; } } if (m == jl_main_module) { if (!retrying && i==1) { // (i==1) => no require() for relative imports if (require_func == NULL && jl_base_module != NULL) require_func = jl_get_global(jl_base_module, jl_symbol("require")); if (require_func != NULL) { jl_value_t *str = jl_cstr_to_string(var->name); JL_GC_PUSH1(&str); jl_apply((jl_function_t*)require_func, &str, 1); JL_GC_POP(); return eval_import_path_(args, 1); } } } if (retrying && require_func) { JL_PRINTF(JL_STDERR, "Warning: requiring \"%s\" did not define a corresponding module.\n", var->name); return NULL; } else { jl_errorf("in module path: %s not defined", var->name); } } for(; i < jl_array_len(args)-1; i++) { jl_value_t *s = jl_cellref(args,i); assert(jl_is_symbol(s)); m = (jl_module_t*)jl_eval_global_var(m, (jl_sym_t*)s); if (!jl_is_module(m)) jl_errorf("invalid import statement"); } return m; }
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(); } }
static jl_value_t *eval(jl_value_t *e, jl_value_t **locals, size_t nl) { if (jl_is_symbol(e)) { jl_value_t *v; size_t i; for(i=0; i < nl; i++) { if (locals[i*2] == e) { v = locals[i*2+1]; break; } } if (i >= nl) { v = jl_get_global(jl_current_module, (jl_sym_t*)e); } if (v == NULL) jl_errorf("%s not defined", ((jl_sym_t*)e)->name); return v; } if (jl_is_symbolnode(e)) { return eval((jl_value_t*)jl_symbolnode_sym(e), locals, nl); } if (jl_is_quotenode(e)) { return jl_fieldref(e,0); } if (jl_is_topnode(e)) { jl_value_t *v = jl_get_global(jl_current_module, (jl_sym_t*)jl_fieldref(e,0)); if (v == NULL) jl_errorf("%s not defined", ((jl_sym_t*)jl_fieldref(e,0))->name); return v; } if (!jl_is_expr(e)) { if (jl_is_lambda_info(e)) { return jl_new_closure_internal((jl_lambda_info_t*)e, (jl_value_t*)jl_null); } return e; } jl_expr_t *ex = (jl_expr_t*)e; jl_value_t **args = &jl_cellref(ex->args,0); if (ex->head == call_sym || ex->head == call1_sym) { jl_function_t *f = (jl_function_t*)eval(args[0], locals, nl); if (!jl_is_func(f)) jl_type_error("apply", (jl_value_t*)jl_function_type, (jl_value_t*)f); return do_call(f, &args[1], ex->args->length-1, locals, nl); } else if (ex->head == assign_sym) { jl_value_t *sym = args[0]; size_t i; for (i=0; i < nl; i++) { if (locals[i*2] == sym) { return (locals[i*2+1] = eval(args[1], locals, nl)); } } jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)sym); jl_value_t *rhs = eval(args[1], locals, nl); jl_checked_assignment(b, rhs); return rhs; } else if (ex->head == new_sym) { jl_value_t *thetype = eval(args[0], locals, nl); JL_GC_PUSH(&thetype); assert(jl_is_struct_type(thetype)); jl_value_t *v = jl_new_struct_uninit((jl_struct_type_t*)thetype); JL_GC_POP(); return v; } else if (ex->head == null_sym) { return (jl_value_t*)jl_nothing; } else if (ex->head == body_sym) { return eval_body(ex->args, locals, nl, 0); } else if (ex->head == exc_sym) { return jl_exception_in_transit; } else if (ex->head == static_typeof_sym) { return (jl_value_t*)jl_any_type; } else if (ex->head == method_sym) { jl_sym_t *fname = (jl_sym_t*)args[0]; jl_value_t **bp=NULL; jl_binding_t *b=NULL; size_t i; for (i=0; i < nl; i++) { if (locals[i*2] == (jl_value_t*)fname) { bp = &locals[i*2+1]; break; } } if (bp == NULL) { b = jl_get_binding_wr(jl_current_module, fname); bp = &b->value; } jl_value_t *atypes=NULL, *meth=NULL; JL_GC_PUSH(&atypes, &meth); atypes = eval(args[1], locals, nl); meth = eval(args[2], locals, nl); jl_value_t *gf = jl_method_def(fname, bp, b, (jl_tuple_t*)atypes, (jl_function_t*)meth); JL_GC_POP(); return gf; } else if (ex->head == const_sym) { jl_value_t *sym = args[0]; size_t i; for (i=0; i < nl; i++) { if (locals[i*2] == sym) { return (jl_value_t*)jl_nothing; } } jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)sym); jl_declare_constant(b); return (jl_value_t*)jl_nothing; } else if (ex->head == error_sym) { jl_errorf("syntax error: %s", jl_string_data(args[0])); } else if (ex->head == line_sym) { return (jl_value_t*)jl_nothing; } else if (ex->head == multivalue_sym) { return (jl_value_t*)jl_nothing; } jl_error("not supported"); return (jl_value_t*)jl_nothing; }
jl_value_t *jl_resolve_globals(jl_value_t *expr, jl_module_t *module, jl_svec_t *sparam_vals) { if (jl_is_symbol(expr)) { if (module == NULL) return expr; return jl_module_globalref(module, (jl_sym_t*)expr); } else if (jl_is_expr(expr)) { jl_expr_t *e = (jl_expr_t*)expr; if (e->head == global_sym) { // execute the side-effects of "global x" decl immediately: // creates uninitialized mutable binding in module for each global jl_toplevel_eval_flex(module, expr, 0, 1); expr = jl_nothing; } if (jl_is_toplevel_only_expr(expr) || e->head == const_sym || e->head == copyast_sym || e->head == quote_sym || e->head == inert_sym || e->head == meta_sym || e->head == inbounds_sym || e->head == boundscheck_sym || e->head == simdloop_sym) { // ignore these } else { if (e->head == call_sym && jl_expr_nargs(e) == 3 && jl_is_quotenode(jl_exprarg(e, 2)) && module != NULL) { // replace getfield(module_expr, :sym) with GlobalRef jl_value_t *s = jl_fieldref(jl_exprarg(e, 2), 0); jl_value_t *fe = jl_exprarg(e, 0); if (jl_is_symbol(s) && jl_is_globalref(fe)) { jl_binding_t *b = jl_get_binding(jl_globalref_mod(fe), jl_globalref_name(fe)); jl_value_t *f = NULL; if (b && b->constp) { f = b->value; } if (f == jl_builtin_getfield) { jl_value_t *me = jl_exprarg(e, 1); jl_module_t *me_mod = NULL; jl_sym_t *me_sym = NULL; if (jl_is_globalref(me)) { me_mod = jl_globalref_mod(me); me_sym = jl_globalref_name(me); } else if (jl_is_symbol(me) && jl_binding_resolved_p(module, (jl_sym_t*)me)) { me_mod = module; me_sym = (jl_sym_t*)me; } if (me_mod && me_sym) { jl_binding_t *b = jl_get_binding(me_mod, me_sym); if (b && b->constp) { jl_value_t *m = b->value; if (m && jl_is_module(m)) { return jl_module_globalref((jl_module_t*)m, (jl_sym_t*)s); } } } } } } size_t i = 0, nargs = jl_array_len(e->args); if (e->head == foreigncall_sym) { JL_NARGSV(ccall method definition, 5); // (fptr, rt, at, cc, narg) jl_value_t *rt = jl_exprarg(e, 1); jl_value_t *at = jl_exprarg(e, 2); if (!jl_is_type(rt)) { JL_TRY { rt = jl_interpret_toplevel_expr_in(module, rt, NULL, sparam_vals); } JL_CATCH { if (jl_typeis(jl_exception_in_transit, jl_errorexception_type)) jl_error("could not evaluate ccall return type (it might depend on a local variable)"); else jl_rethrow(); } jl_exprargset(e, 1, rt); } if (!jl_is_svec(at)) { JL_TRY { at = jl_interpret_toplevel_expr_in(module, at, NULL, sparam_vals); } JL_CATCH { if (jl_typeis(jl_exception_in_transit, jl_errorexception_type)) jl_error("could not evaluate ccall argument type (it might depend on a local variable)"); else jl_rethrow(); } jl_exprargset(e, 2, at); } if (jl_is_svec(rt)) jl_error("ccall: missing return type"); JL_TYPECHK(ccall method definition, type, rt); JL_TYPECHK(ccall method definition, simplevector, at); JL_TYPECHK(ccall method definition, quotenode, jl_exprarg(e, 3)); JL_TYPECHK(ccall method definition, symbol, *(jl_value_t**)jl_exprarg(e, 3)); JL_TYPECHK(ccall method definition, long, jl_exprarg(e, 4)); }
JL_DLLEXPORT jl_lambda_info_t *jl_new_lambda_info(jl_value_t *ast, jl_svec_t *tvars, jl_svec_t *sparams, jl_module_t *ctx) { jl_lambda_info_t *li = (jl_lambda_info_t*)newobj((jl_value_t*)jl_lambda_info_type, NWORDS(sizeof(jl_lambda_info_t))); li->ast = ast; li->rettype = (jl_value_t*)jl_any_type; li->file = null_sym; li->module = ctx; li->sparam_syms = tvars; li->sparam_vals = sparams; li->tfunc = jl_nothing; li->fptr = NULL; li->jlcall_api = 0; li->roots = NULL; li->functionObjects.functionObject = NULL; li->functionObjects.specFunctionObject = NULL; li->functionObjects.cFunctionList = NULL; li->functionID = 0; li->specFunctionID = 0; li->specTypes = NULL; li->inferred = 0; li->inInference = 0; li->inCompile = 0; li->unspecialized = NULL; li->specializations = NULL; li->name = anonymous_sym; li->def = li; li->line = 0; li->pure = 0; li->called = 0xff; li->needs_sparam_vals_ducttape = 0; if (ast && jl_is_expr(ast)) { jl_array_t *body = jl_lam_body((jl_expr_t*)ast)->args; if (has_meta(body, pure_sym)) li->pure = 1; jl_value_t *body1 = skip_meta(body); if (jl_is_linenode(body1)) { li->file = jl_linenode_file(body1); li->line = jl_linenode_line(body1); } else if (jl_is_expr(body1) && ((jl_expr_t*)body1)->head == line_sym) { li->file = (jl_sym_t*)jl_exprarg(body1, 1); li->line = jl_unbox_long(jl_exprarg(body1, 0)); } jl_array_t *vis = jl_lam_vinfo((jl_expr_t*)li->ast); jl_array_t *args = jl_lam_args((jl_expr_t*)li->ast); size_t narg = jl_array_len(args); uint8_t called=0; int i, j=0; for(i=1; i < narg && i <= 8; i++) { jl_value_t *ai = jl_cellref(args,i); if (ai == (jl_value_t*)unused_sym || !jl_is_symbol(ai)) continue; jl_value_t *vj; do { vj = jl_cellref(vis, j++); } while (jl_cellref(vj,0) != ai); if (jl_unbox_long(jl_cellref(vj,2))&64) called |= (1<<(i-1)); } li->called = called; if (tvars != jl_emptysvec) if (jl_has_intrinsics(li, (jl_expr_t*)ast, ctx)) li->needs_sparam_vals_ducttape = 1; } return li; }
// copy a :lambda Expr into its LambdaInfo representation static void jl_lambda_info_set_ast(jl_lambda_info_t *li, jl_expr_t *ast) { assert(jl_is_expr(ast)); jl_expr_t *bodyex = (jl_expr_t*)jl_exprarg(ast, 2); assert(jl_is_expr(bodyex)); jl_array_t *body = bodyex->args; li->code = (jl_value_t*)body; jl_gc_wb(li, li->code); size_t j, n = jl_array_len(body); jl_value_t **bd = (jl_value_t**)jl_array_data((jl_array_t*)li->code); for(j=0; j < n; j++) { jl_value_t *st = bd[j]; if (jl_is_expr(st) && ((jl_expr_t*)st)->head == meta_sym) { size_t k, ins = 0, na = jl_expr_nargs(st); jl_array_t *meta = ((jl_expr_t*)st)->args; for(k=0; k < na; k++) { jl_value_t *ma = jl_array_ptr_ref(meta, k); if (ma == (jl_value_t*)pure_sym) li->pure = 1; else if (ma == (jl_value_t*)inline_sym) li->inlineable = 1; else jl_array_ptr_set(meta, ins++, ma); } if (ins == 0) bd[j] = jl_nothing; else jl_array_del_end(meta, na-ins); } } jl_array_t *vinfo = (jl_array_t*)jl_exprarg(ast, 1); jl_array_t *vis = (jl_array_t*)jl_array_ptr_ref(vinfo, 0); size_t nslots = jl_array_len(vis); jl_value_t *ssavalue_types = jl_array_ptr_ref(vinfo, 2); assert(jl_is_long(ssavalue_types)); size_t nssavalue = jl_unbox_long(ssavalue_types); li->slotnames = jl_alloc_vec_any(nslots); jl_gc_wb(li, li->slotnames); li->slottypes = jl_nothing; li->slotflags = jl_alloc_array_1d(jl_array_uint8_type, nslots); jl_gc_wb(li, li->slotflags); li->ssavaluetypes = jl_box_long(nssavalue); jl_gc_wb(li, li->ssavaluetypes); int i; for(i=0; i < nslots; i++) { jl_value_t *vi = jl_array_ptr_ref(vis, i); jl_sym_t *name = (jl_sym_t*)jl_array_ptr_ref(vi, 0); assert(jl_is_symbol(name)); char *str = jl_symbol_name(name); if (i > 0 && name != unused_sym) { if (str[0] == '#') { // convention for renamed variables: #...#original_name char *nxt = strchr(str + 1, '#'); if (nxt) name = jl_symbol(nxt+1); else if (str[1] == 's') // compiler-generated temporaries, #sXXX name = compiler_temp_sym; } } jl_array_ptr_set(li->slotnames, i, name); jl_array_uint8_set(li->slotflags, i, jl_unbox_long(jl_array_ptr_ref(vi, 2))); } jl_array_t *sparams = (jl_array_t*)jl_array_ptr_ref(vinfo, 3); assert(jl_is_array(sparams)); li->sparam_syms = jl_alloc_svec_uninit(jl_array_len(sparams)); jl_gc_wb(li, li->sparam_syms); for(i=0; i < jl_array_len(sparams); i++) { jl_svecset(li->sparam_syms, i, jl_array_ptr_ref(sparams, i)); } jl_array_t *args = (jl_array_t*)jl_exprarg(ast, 0); size_t narg = jl_array_len(args); li->nargs = narg; li->isva = narg > 0 && jl_is_rest_arg(jl_array_ptr_ref(args, narg - 1)); }
// ccall(pointer, rettype, (argtypes...), args...) static Value *emit_ccall(jl_value_t **args, size_t nargs, jl_codectx_t *ctx) { JL_NARGSV(ccall, 3); jl_value_t *ptr=NULL, *rt=NULL, *at=NULL; Value *jl_ptr=NULL; JL_GC_PUSH(&ptr, &rt, &at); ptr = static_eval(args[1], ctx, true); if (ptr == NULL) { jl_value_t *ptr_ty = expr_type(args[1], ctx); Value *arg1 = emit_unboxed(args[1], ctx); if (!jl_is_cpointer_type(ptr_ty)) { emit_typecheck(arg1, (jl_value_t*)jl_voidpointer_type, "ccall: function argument not a pointer or valid constant", ctx); } jl_ptr = emit_unbox(T_size, T_psize, arg1); } rt = jl_interpret_toplevel_expr_in(ctx->module, args[2], &jl_tupleref(ctx->sp,0), jl_tuple_len(ctx->sp)/2); if (jl_is_tuple(rt)) { std::string msg = "in " + ctx->funcName + ": ccall: missing return type"; jl_error(msg.c_str()); } at = jl_interpret_toplevel_expr_in(ctx->module, args[3], &jl_tupleref(ctx->sp,0), jl_tuple_len(ctx->sp)/2); void *fptr=NULL; char *f_name=NULL, *f_lib=NULL; if (ptr != NULL) { if (jl_is_tuple(ptr) && jl_tuple_len(ptr)==1) { ptr = jl_tupleref(ptr,0); } if (jl_is_symbol(ptr)) f_name = ((jl_sym_t*)ptr)->name; else if (jl_is_byte_string(ptr)) f_name = jl_string_data(ptr); if (f_name != NULL) { // just symbol, default to JuliaDLHandle #ifdef __WIN32__ //TODO: store the f_lib name instead of fptr fptr = jl_dlsym_win32(f_name); #else // will look in process symbol table #endif } else if (jl_is_cpointer_type(jl_typeof(ptr))) { fptr = *(void**)jl_bits_data(ptr); } else if (jl_is_tuple(ptr) && jl_tuple_len(ptr)>1) { jl_value_t *t0 = jl_tupleref(ptr,0); jl_value_t *t1 = jl_tupleref(ptr,1); if (jl_is_symbol(t0)) f_name = ((jl_sym_t*)t0)->name; else if (jl_is_byte_string(t0)) f_name = jl_string_data(t0); else JL_TYPECHK(ccall, symbol, t0); if (jl_is_symbol(t1)) f_lib = ((jl_sym_t*)t1)->name; else if (jl_is_byte_string(t1)) f_lib = jl_string_data(t1); else JL_TYPECHK(ccall, symbol, t1); } else { JL_TYPECHK(ccall, pointer, ptr); } } if (f_name == NULL && fptr == NULL && jl_ptr == NULL) { JL_GC_POP(); emit_error("ccall: null function pointer", ctx); return literal_pointer_val(jl_nothing); } JL_TYPECHK(ccall, type, rt); JL_TYPECHK(ccall, tuple, at); JL_TYPECHK(ccall, type, at); jl_tuple_t *tt = (jl_tuple_t*)at; std::vector<Type *> fargt(0); std::vector<Type *> fargt_sig(0); Type *lrt = julia_type_to_llvm(rt); if (lrt == NULL) { JL_GC_POP(); return literal_pointer_val(jl_nothing); } size_t i; bool haspointers = false; bool isVa = false; size_t nargt = jl_tuple_len(tt); std::vector<AttributeWithIndex> attrs; for(i=0; i < nargt; i++) { jl_value_t *tti = jl_tupleref(tt,i); if (jl_is_vararg_type(tti)) { isVa = true; tti = jl_tparam0(tti); } if (jl_is_bits_type(tti)) { // see pull req #978. need to annotate signext/zeroext for // small integer arguments. jl_bits_type_t *bt = (jl_bits_type_t*)tti; if (bt->nbits < 32) { if (jl_signed_type == NULL) { jl_signed_type = jl_get_global(jl_core_module,jl_symbol("Signed")); } #ifdef LLVM32 Attributes::AttrVal av; if (jl_signed_type && jl_subtype(tti, jl_signed_type, 0)) av = Attributes::SExt; else av = Attributes::ZExt; attrs.push_back(AttributeWithIndex::get(getGlobalContext(), i+1, ArrayRef<Attributes::AttrVal>(&av, 1))); #else Attribute::AttrConst av; if (jl_signed_type && jl_subtype(tti, jl_signed_type, 0)) av = Attribute::SExt; else av = Attribute::ZExt; attrs.push_back(AttributeWithIndex::get(i+1, av)); #endif } } Type *t = julia_type_to_llvm(tti); if (t == NULL) { JL_GC_POP(); return literal_pointer_val(jl_nothing); } fargt.push_back(t); if (!isVa) fargt_sig.push_back(t); } // check for calling convention specifier CallingConv::ID cc = CallingConv::C; jl_value_t *last = args[nargs]; if (jl_is_expr(last)) { jl_sym_t *lhd = ((jl_expr_t*)last)->head; if (lhd == jl_symbol("stdcall")) { cc = CallingConv::X86_StdCall; nargs--; } else if (lhd == jl_symbol("cdecl")) { cc = CallingConv::C; nargs--; } else if (lhd == jl_symbol("fastcall")) { cc = CallingConv::X86_FastCall; nargs--; } else if (lhd == jl_symbol("thiscall")) { cc = CallingConv::X86_ThisCall; nargs--; } } if ((!isVa && jl_tuple_len(tt) != (nargs-2)/2) || ( isVa && jl_tuple_len(tt)-1 > (nargs-2)/2)) jl_error("ccall: wrong number of arguments to C function"); // some special functions if (fptr == &jl_array_ptr) { Value *ary = emit_expr(args[4], ctx); JL_GC_POP(); return mark_julia_type(builder.CreateBitCast(emit_arrayptr(ary),lrt), rt); } // see if there are & arguments for(i=4; i < nargs+1; i+=2) { jl_value_t *argi = args[i]; if (jl_is_expr(argi) && ((jl_expr_t*)argi)->head == amp_sym) { haspointers = true; break; } } // make LLVM function object for the target Value *llvmf; FunctionType *functype = FunctionType::get(lrt, fargt_sig, isVa); if (jl_ptr != NULL) { null_pointer_check(jl_ptr,ctx); Type *funcptype = PointerType::get(functype,0); llvmf = builder.CreateIntToPtr(jl_ptr, funcptype); } else if (fptr != NULL) { Type *funcptype = PointerType::get(functype,0); llvmf = literal_pointer_val(fptr, funcptype); } else { void *symaddr; if (f_lib != NULL) symaddr = add_library_sym(f_name, f_lib); else symaddr = sys::DynamicLibrary::SearchForAddressOfSymbol(f_name); if (symaddr == NULL) { JL_GC_POP(); std::stringstream msg; msg << "ccall: could not find function "; msg << f_name; if (f_lib != NULL) { msg << " in library "; msg << f_lib; } emit_error(msg.str(), ctx); return literal_pointer_val(jl_nothing); } llvmf = jl_Module->getOrInsertFunction(f_name, functype); } // save temp argument area stack pointer Value *saveloc=NULL; Value *stacksave=NULL; if (haspointers) { // TODO: inline this saveloc = builder.CreateCall(save_arg_area_loc_func); stacksave = builder.CreateCall(Intrinsic::getDeclaration(jl_Module, Intrinsic::stacksave)); } // emit arguments Value *argvals[(nargs-3)/2]; int last_depth = ctx->argDepth; int nargty = jl_tuple_len(tt); for(i=4; i < nargs+1; i+=2) { int ai = (i-4)/2; jl_value_t *argi = args[i]; bool addressOf = false; if (jl_is_expr(argi) && ((jl_expr_t*)argi)->head == amp_sym) { addressOf = true; argi = jl_exprarg(argi,0); } Type *largty; jl_value_t *jargty; if (isVa && ai >= nargty-1) { largty = fargt[nargty-1]; jargty = jl_tparam0(jl_tupleref(tt,nargty-1)); } else { largty = fargt[ai]; jargty = jl_tupleref(tt,ai); } Value *arg; if (largty == jl_pvalue_llvmt) { arg = emit_expr(argi, ctx, true); } else { arg = emit_unboxed(argi, ctx); if (jl_is_bits_type(expr_type(argi, ctx))) { if (addressOf) arg = emit_unbox(largty->getContainedType(0), largty, arg); else arg = emit_unbox(largty, PointerType::get(largty,0), arg); } } /* #ifdef JL_GC_MARKSWEEP // make sure args are rooted if (largty->isPointerTy() && (largty == jl_pvalue_llvmt || !jl_is_bits_type(expr_type(args[i], ctx)))) { make_gcroot(boxed(arg), ctx); } #endif */ argvals[ai] = julia_to_native(largty, jargty, arg, argi, addressOf, ai+1, ctx); } // the actual call Value *result = builder.CreateCall(llvmf, ArrayRef<Value*>(&argvals[0],(nargs-3)/2)); if (cc != CallingConv::C) ((CallInst*)result)->setCallingConv(cc); #ifdef LLVM32 ((CallInst*)result)->setAttributes(AttrListPtr::get(getGlobalContext(), ArrayRef<AttributeWithIndex>(attrs))); #else ((CallInst*)result)->setAttributes(AttrListPtr::get(attrs.data(),attrs.size())); #endif // restore temp argument area stack pointer if (haspointers) { assert(saveloc != NULL); builder.CreateCall(restore_arg_area_loc_func, saveloc); assert(stacksave != NULL); builder.CreateCall(Intrinsic::getDeclaration(jl_Module, Intrinsic::stackrestore), stacksave); } ctx->argDepth = last_depth; if (0) { // Enable this to turn on SSPREQ (-fstack-protector) on the function containing this ccall #ifdef LLVM32 ctx->f->addFnAttr(Attributes::StackProtectReq); #else ctx->f->addFnAttr(Attribute::StackProtectReq); #endif } JL_GC_POP(); if (lrt == T_void) return literal_pointer_val((jl_value_t*)jl_nothing); return mark_julia_type(result, rt); }
JL_DLLEXPORT jl_datatype_t *jl_new_datatype(jl_sym_t *name, jl_datatype_t *super, jl_svec_t *parameters, jl_svec_t *fnames, jl_svec_t *ftypes, int abstract, int mutabl, int ninitialized) { jl_datatype_t *t=NULL; jl_typename_t *tn=NULL; JL_GC_PUSH2(&t, &tn); if (!jl_boot_file_loaded && jl_is_symbol(name)) { // hack to avoid making two versions of basic types needed // during bootstrapping if (!strcmp(jl_symbol_name((jl_sym_t*)name), "Int32")) t = jl_int32_type; else if (!strcmp(jl_symbol_name((jl_sym_t*)name), "Int64")) t = jl_int64_type; else if (!strcmp(jl_symbol_name((jl_sym_t*)name), "Bool")) t = jl_bool_type; else if (!strcmp(jl_symbol_name((jl_sym_t*)name), "UInt8")) t = jl_uint8_type; } if (t == NULL) t = jl_new_uninitialized_datatype(jl_svec_len(fnames), 2); // TODO else tn = t->name; // init before possibly calling jl_new_typename t->super = super; if (super != NULL) jl_gc_wb(t, t->super); t->parameters = parameters; jl_gc_wb(t, t->parameters); t->types = ftypes; if (ftypes != NULL) jl_gc_wb(t, t->types); t->abstract = abstract; t->mutabl = mutabl; t->pointerfree = 0; t->ninitialized = ninitialized; t->instance = NULL; t->struct_decl = NULL; t->ditype = NULL; t->size = 0; t->alignment = 1; t->haspadding = 0; if (tn == NULL) { t->name = NULL; if (jl_is_typename(name)) { tn = (jl_typename_t*)name; } else { tn = jl_new_typename((jl_sym_t*)name); if (!abstract) { tn->mt = jl_new_method_table(name, jl_current_module); jl_gc_wb(tn, tn->mt); } } t->name = tn; jl_gc_wb(t, t->name); } t->name->names = fnames; jl_gc_wb(t->name, t->name->names); if (t->name->primary == NULL) { t->name->primary = (jl_value_t*)t; jl_gc_wb(t->name, t); } jl_precompute_memoized_dt(t); if (abstract || jl_svec_len(parameters) > 0) { t->uid = 0; } else { t->uid = jl_assign_type_uid(); if (t->types != NULL) jl_compute_field_offsets(t); } JL_GC_POP(); return t; }
static jl_module_t *eval_import_path_(jl_array_t *args, int retrying) { // in .A.B.C, first find a binding for A in the chain of module scopes // following parent links. then evaluate the rest of the path from there. // in A.B, look for A in Main first. jl_sym_t *var = (jl_sym_t*)jl_cellref(args,0); size_t i=1; if (!jl_is_symbol(var)) jl_type_error("import or using", (jl_value_t*)jl_sym_type, (jl_value_t*)var); jl_module_t *m; if (var != dot_sym) { m = jl_main_module; } else { m = jl_current_module; while (1) { var = (jl_sym_t*)jl_cellref(args,i); if (!jl_is_symbol(var)) jl_type_error("import or using", (jl_value_t*)jl_sym_type, (jl_value_t*)var); i++; if (var != dot_sym) { if (i == jl_array_len(args)) return m; else break; } m = m->parent; } } while (1) { if (jl_binding_resolved_p(m, var)) { jl_binding_t *mb = jl_get_binding(m, var); jl_module_t *m0 = m; int isimp = jl_is_imported(m, var); assert(mb != NULL); if (mb->owner == m0 || isimp) { m = (jl_module_t*)mb->value; if ((mb->owner == m0 && m != NULL && !jl_is_module(m)) || (isimp && (m == NULL || !jl_is_module(m)))) jl_errorf("invalid module path (%s does not name a module)", var->name); // If the binding has been resolved but is (1) undefined, and (2) owned // by the module we're importing into, then allow the import into the // undefined variable (by setting m back to m0). if (m == NULL) m = m0; else break; } } if (m == jl_main_module) { if (!retrying && i==1) { // (i==1) => no require() for relative imports if (require_func == NULL && jl_base_module != NULL) require_func = jl_get_global(jl_base_module, jl_symbol("require")); if (require_func != NULL) { jl_apply((jl_function_t*)require_func, (jl_value_t**)&var, 1); return eval_import_path_(args, 1); } } } if (retrying && require_func) { jl_printf(JL_STDERR, "WARNING: requiring \"%s\" did not define a corresponding module.\n", var->name); return NULL; } else { jl_errorf("in module path: %s not defined", var->name); } } for(; i < jl_array_len(args)-1; i++) { jl_value_t *s = jl_cellref(args,i); assert(jl_is_symbol(s)); m = (jl_module_t*)jl_eval_global_var(m, (jl_sym_t*)s); if (!jl_is_module(m)) jl_errorf("invalid import statement"); } return m; }
static value_t julia_to_scm_(fl_context_t *fl_ctx, jl_value_t *v) { if (v == NULL) lerror(fl_ctx, symbol(fl_ctx, "error"), "undefined reference in AST"); if (jl_is_symbol(v)) return symbol(fl_ctx, jl_symbol_name((jl_sym_t*)v)); if (v == jl_true) return jl_ast_ctx(fl_ctx)->true_sym; if (v == jl_false) return jl_ast_ctx(fl_ctx)->false_sym; if (v == jl_nothing) return fl_cons(fl_ctx, jl_ast_ctx(fl_ctx)->null_sym, fl_ctx->NIL); if (jl_is_expr(v)) { jl_expr_t *ex = (jl_expr_t*)v; value_t args = fl_ctx->NIL; fl_gc_handle(fl_ctx, &args); array_to_list(fl_ctx, ex->args, &args); value_t hd = julia_to_scm_(fl_ctx, (jl_value_t*)ex->head); if (ex->head == lambda_sym && jl_expr_nargs(ex)>0 && jl_is_array(jl_exprarg(ex,0))) { value_t llist = fl_ctx->NIL; fl_gc_handle(fl_ctx, &llist); array_to_list(fl_ctx, (jl_array_t*)jl_exprarg(ex,0), &llist); car_(args) = llist; fl_free_gc_handles(fl_ctx, 1); } value_t scmv = fl_cons(fl_ctx, hd, args); fl_free_gc_handles(fl_ctx, 1); return scmv; } // GC Note: jl_fieldref(v, 0) allocate for LabelNode, GotoNode // but we don't need a GC root here because julia_to_list2 // shouldn't allocate in this case. if (jl_typeis(v, jl_labelnode_type)) return julia_to_list2(fl_ctx, (jl_value_t*)label_sym, jl_fieldref(v,0)); if (jl_typeis(v, jl_linenumbernode_type)) { jl_value_t *file = jl_fieldref_noalloc(v,1); // non-allocating jl_value_t *line = jl_fieldref(v,0); // allocating value_t args = julia_to_list2(fl_ctx, line, file); fl_gc_handle(fl_ctx, &args); value_t hd = julia_to_scm_(fl_ctx, (jl_value_t*)line_sym); value_t scmv = fl_cons(fl_ctx, hd, args); fl_free_gc_handles(fl_ctx, 1); return scmv; } if (jl_typeis(v, jl_gotonode_type)) return julia_to_list2(fl_ctx, (jl_value_t*)goto_sym, jl_fieldref(v,0)); if (jl_typeis(v, jl_quotenode_type)) return julia_to_list2(fl_ctx, (jl_value_t*)inert_sym, jl_fieldref(v,0)); if (jl_typeis(v, jl_newvarnode_type)) return julia_to_list2(fl_ctx, (jl_value_t*)newvar_sym, jl_fieldref(v,0)); if (jl_typeis(v, jl_globalref_type)) { jl_module_t *m = jl_globalref_mod(v); jl_sym_t *sym = jl_globalref_name(v); if (m == jl_core_module) return julia_to_list2(fl_ctx, (jl_value_t*)core_sym, (jl_value_t*)sym); value_t args = julia_to_list2(fl_ctx, (jl_value_t*)m, (jl_value_t*)sym); fl_gc_handle(fl_ctx, &args); value_t hd = julia_to_scm_(fl_ctx, (jl_value_t*)globalref_sym); value_t scmv = fl_cons(fl_ctx, hd, args); fl_free_gc_handles(fl_ctx, 1); return scmv; } if (jl_is_long(v) && fits_fixnum(jl_unbox_long(v))) return fixnum(jl_unbox_long(v)); if (jl_is_ssavalue(v)) lerror(fl_ctx, symbol(fl_ctx, "error"), "SSAValue objects should not occur in an AST"); if (jl_is_slot(v)) lerror(fl_ctx, symbol(fl_ctx, "error"), "Slot objects should not occur in an AST"); value_t opaque = cvalue(fl_ctx, jl_ast_ctx(fl_ctx)->jvtype, sizeof(void*)); *(jl_value_t**)cv_data((cvalue_t*)ptr(opaque)) = v; return opaque; }
jl_value_t *jl_toplevel_eval_flex(jl_value_t *e, int fast) { //jl_show(ex); //jl_printf(JL_STDOUT, "\n"); if (!jl_is_expr(e)) return jl_interpret_toplevel_expr(e); jl_expr_t *ex = (jl_expr_t*)e; if (ex->head == null_sym || ex->head == error_sym) { // expression types simple enough not to need expansion return jl_interpret_toplevel_expr(e); } if (ex->head == module_sym) { return jl_eval_module_expr(ex); } // handle import, using, importall, export toplevel-only forms if (ex->head == importall_sym) { jl_module_t *m = eval_import_path(ex->args); if (m==NULL) return jl_nothing; jl_sym_t *name = (jl_sym_t*)jl_cellref(ex->args, jl_array_len(ex->args)-1); if (!jl_is_symbol(name)) jl_error("syntax: malformed \"importall\" statement"); m = (jl_module_t*)jl_eval_global_var(m, name); if (!jl_is_module(m)) jl_errorf("invalid %s statement: name exists but does not refer to a module", ex->head->name); jl_module_importall(jl_current_module, m); return jl_nothing; } if (ex->head == using_sym) { jl_module_t *m = eval_import_path(ex->args); if (m==NULL) return jl_nothing; jl_sym_t *name = (jl_sym_t*)jl_cellref(ex->args, jl_array_len(ex->args)-1); if (!jl_is_symbol(name)) jl_error("syntax: malformed \"using\" statement"); jl_module_t *u = (jl_module_t*)jl_eval_global_var(m, name); if (jl_is_module(u)) { jl_module_using(jl_current_module, u); } else { jl_module_use(jl_current_module, m, name); } return jl_nothing; } if (ex->head == import_sym) { jl_module_t *m = eval_import_path(ex->args); if (m==NULL) return jl_nothing; jl_sym_t *name = (jl_sym_t*)jl_cellref(ex->args, jl_array_len(ex->args)-1); if (!jl_is_symbol(name)) jl_error("syntax: malformed \"import\" statement"); jl_module_import(jl_current_module, m, name); return jl_nothing; } if (ex->head == export_sym) { for(size_t i=0; i < jl_array_len(ex->args); i++) { jl_sym_t *name = (jl_sym_t*)jl_cellref(ex->args, i); if (!jl_is_symbol(name)) jl_error("syntax: malformed \"export\" statement"); jl_module_export(jl_current_module, name); } return jl_nothing; } if (ex->head == toplevel_sym) { int i=0; jl_value_t *res=jl_nothing; for(i=0; i < jl_array_len(ex->args); i++) { res = jl_toplevel_eval_flex(jl_cellref(ex->args, i), fast); } return res; } jl_value_t *thunk=NULL; jl_value_t *result; jl_lambda_info_t *thk=NULL; int ewc = 0; JL_GC_PUSH3(&thunk, &thk, &ex); if (ex->head != body_sym && ex->head != thunk_sym && ex->head != return_sym && ex->head != method_sym) { // not yet expanded ex = (jl_expr_t*)jl_expand(e); } jl_sym_t *head = jl_is_expr(ex) ? ex->head : NULL; if (head == toplevel_sym) { int i=0; jl_value_t *res=jl_nothing; for(i=0; i < jl_array_len(ex->args); i++) { res = jl_toplevel_eval_flex(jl_cellref(ex->args, i), fast); } JL_GC_POP(); return res; } if (head == thunk_sym) { thk = (jl_lambda_info_t*)jl_exprarg(ex,0); assert(jl_is_lambda_info(thk)); assert(jl_is_expr(thk->ast)); ewc = jl_eval_with_compiler_p((jl_expr_t*)thk->ast, jl_lam_body((jl_expr_t*)thk->ast), fast, jl_current_module); if (!ewc) { if (jl_lam_vars_captured((jl_expr_t*)thk->ast)) { // interpreter doesn't handle closure environment ewc = 1; } } } else { if (head && jl_eval_with_compiler_p(NULL, (jl_expr_t*)ex, fast, jl_current_module)) { thk = jl_wrap_expr((jl_value_t*)ex); ewc = 1; } else { if (head == body_sym) { result = jl_toplevel_eval_body(ex->args); } else if (jl_is_toplevel_only_expr((jl_value_t*)ex)) { result = jl_toplevel_eval((jl_value_t*)ex); } else { result = jl_interpret_toplevel_expr((jl_value_t*)ex); } JL_GC_POP(); return result; } } if (ewc) { thunk = (jl_value_t*)jl_new_closure(NULL, (jl_value_t*)jl_emptysvec, thk); if (!jl_in_inference) { jl_type_infer(thk, (jl_tupletype_t*)jl_typeof(jl_emptytuple), thk); } result = jl_apply((jl_function_t*)thunk, NULL, 0); } else { result = jl_interpret_toplevel_thunk(thk); } JL_GC_POP(); return result; }
static jl_value_t *eval(jl_value_t *e, interpreter_state *s) { jl_ptls_t ptls = jl_get_ptls_states(); jl_code_info_t *src = s==NULL ? NULL : s->src; if (jl_is_ssavalue(e)) { ssize_t id = ((jl_ssavalue_t*)e)->id; if (id >= jl_source_nssavalues(src) || id < 0 || s->locals == NULL) jl_error("access to invalid SSAValue"); else return s->locals[jl_source_nslots(src) + id]; } if (jl_is_slot(e)) { ssize_t n = jl_slot_number(e); if (n > jl_source_nslots(src) || n < 1 || s->locals == NULL) jl_error("access to invalid slot number"); jl_value_t *v = s->locals[n-1]; if (v == NULL) jl_undefined_var_error((jl_sym_t*)jl_array_ptr_ref(src->slotnames, n - 1)); return v; } if (jl_is_globalref(e)) { jl_sym_t *s = jl_globalref_name(e); jl_value_t *v = jl_get_global(jl_globalref_mod(e), s); if (v == NULL) jl_undefined_var_error(s); return v; } if (jl_is_quotenode(e)) return jl_fieldref(e,0); jl_module_t *modu = (s == NULL ? ptls->current_module : s->module); if (jl_is_symbol(e)) { // bare symbols appear in toplevel exprs not wrapped in `thunk` jl_value_t *v = jl_get_global(modu, (jl_sym_t*)e); if (v == NULL) jl_undefined_var_error((jl_sym_t*)e); return v; } if (!jl_is_expr(e)) return e; jl_expr_t *ex = (jl_expr_t*)e; jl_value_t **args = (jl_value_t**)jl_array_data(ex->args); size_t nargs = jl_array_len(ex->args); if (ex->head == call_sym) { return do_call(args, nargs, s); } else if (ex->head == invoke_sym) { return do_invoke(args, nargs, s); } else if (ex->head == new_sym) { jl_value_t *thetype = eval(args[0], s); jl_value_t *v=NULL; JL_GC_PUSH2(&thetype, &v); assert(jl_is_structtype(thetype)); v = jl_new_struct_uninit((jl_datatype_t*)thetype); for(size_t i=1; i < nargs; i++) { jl_set_nth_field(v, i-1, eval(args[i], s)); } JL_GC_POP(); return v; } else if (ex->head == static_parameter_sym) { ssize_t n = jl_unbox_long(args[0]); assert(n > 0); if (s->sparam_vals && n <= jl_svec_len(s->sparam_vals)) { jl_value_t *sp = jl_svecref(s->sparam_vals, n - 1); if (!jl_is_typevar(sp)) return sp; } // static parameter val unknown needs to be an error for ccall jl_error("could not determine static parameter value"); } else if (ex->head == inert_sym) { return args[0]; } else if (ex->head == copyast_sym) { return jl_copy_ast(eval(args[0], s)); } else if (ex->head == exc_sym) { return ptls->exception_in_transit; } else if (ex->head == method_sym) { jl_sym_t *fname = (jl_sym_t*)args[0]; if (jl_is_globalref(fname)) { modu = jl_globalref_mod(fname); fname = jl_globalref_name(fname); } assert(jl_expr_nargs(ex) != 1 || jl_is_symbol(fname)); if (jl_is_symbol(fname)) { jl_value_t **bp=NULL; jl_value_t *bp_owner=NULL; jl_binding_t *b=NULL; if (bp == NULL) { b = jl_get_binding_for_method_def(modu, fname); bp = &b->value; bp_owner = (jl_value_t*)modu; } jl_value_t *gf = jl_generic_function_def(fname, bp, bp_owner, b); if (jl_expr_nargs(ex) == 1) return gf; } jl_value_t *atypes=NULL, *meth=NULL; JL_GC_PUSH2(&atypes, &meth); atypes = eval(args[1], s); meth = eval(args[2], s); jl_method_def((jl_svec_t*)atypes, (jl_code_info_t*)meth, args[3]); JL_GC_POP(); return jl_nothing; } else if (ex->head == const_sym) { jl_sym_t *sym = (jl_sym_t*)args[0]; if (jl_is_globalref(sym)) { modu = jl_globalref_mod(sym); sym = jl_globalref_name(sym); } assert(jl_is_symbol(sym)); jl_binding_t *b = jl_get_binding_wr(modu, sym); jl_declare_constant(b); return (jl_value_t*)jl_nothing; } else if (ex->head == global_sym) { // create uninitialized mutable binding for "global x" decl // TODO: handle type decls size_t i, l = jl_array_len(ex->args); for (i = 0; i < l; i++) { jl_sym_t *gsym = (jl_sym_t*)args[i]; jl_module_t *gmodu = modu; if (jl_is_globalref(gsym)) { gmodu = jl_globalref_mod(gsym); gsym = jl_globalref_name(gsym); } assert(jl_is_symbol(gsym)); jl_get_binding_wr(gmodu, gsym); } return (jl_value_t*)jl_nothing; } else if (ex->head == abstracttype_sym) { if (inside_typedef) jl_error("cannot eval a new abstract type definition while defining another type"); jl_value_t *name = args[0]; jl_value_t *para = eval(args[1], s); jl_value_t *super = NULL; jl_value_t *temp = NULL; jl_datatype_t *dt = NULL; JL_GC_PUSH4(¶, &super, &temp, &dt); assert(jl_is_svec(para)); if (jl_is_globalref(name)) { modu = jl_globalref_mod(name); name = (jl_value_t*)jl_globalref_name(name); } assert(jl_is_symbol(name)); dt = jl_new_abstracttype(name, NULL, (jl_svec_t*)para); jl_binding_t *b = jl_get_binding_wr(modu, (jl_sym_t*)name); temp = b->value; check_can_assign_type(b); b->value = (jl_value_t*)dt; jl_gc_wb_binding(b, dt); JL_TRY { inside_typedef = 1; super = eval(args[2], s); jl_set_datatype_super(dt, super); jl_reinstantiate_inner_types(dt); } JL_CATCH { jl_reset_instantiate_inner_types(dt); b->value = temp; jl_rethrow(); } b->value = temp; if (temp == NULL || !equiv_type(dt, (jl_datatype_t*)temp)) { jl_checked_assignment(b, (jl_value_t*)dt); } JL_GC_POP(); return (jl_value_t*)jl_nothing; } else if (ex->head == bitstype_sym) {
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; }
static jl_value_t *copy_ast(jl_value_t *expr, jl_tuple_t *sp, int do_sp) { if (jl_is_symbol(expr)) { if (!do_sp) return expr; // pre-evaluate certain static parameters to help type inference for(int i=0; i < jl_tuple_len(sp); i+=2) { assert(jl_is_typevar(jl_tupleref(sp,i))); if ((jl_sym_t*)expr == ((jl_tvar_t*)jl_tupleref(sp,i))->name) { jl_value_t *spval = jl_tupleref(sp,i+1); if (jl_is_long(spval)) return spval; } } } else if (jl_is_lambda_info(expr)) { jl_lambda_info_t *li = (jl_lambda_info_t*)expr; /* if (sp == jl_null && li->ast && jl_array_len(jl_lam_capt((jl_expr_t*)li->ast)) == 0) return expr; */ // TODO: avoid if above condition is true and decls have already // been evaluated. JL_GC_PUSH1(&li); li = jl_add_static_parameters(li, sp); // inner lambda does not need the "def" link. it leads to excess object // retention, for example pointing to the original uncompressed AST // of a top-level thunk that gets type inferred. li->def = li; li->ast = jl_prepare_ast(li, li->sparams); JL_GC_POP(); return (jl_value_t*)li; } else if (jl_typeis(expr,jl_array_any_type)) { jl_array_t *a = (jl_array_t*)expr; jl_array_t *na = jl_alloc_cell_1d(jl_array_len(a)); JL_GC_PUSH1(&na); size_t i; for(i=0; i < jl_array_len(a); i++) jl_cellset(na, i, copy_ast(jl_cellref(a,i), sp, do_sp)); JL_GC_POP(); return (jl_value_t*)na; } else if (jl_is_expr(expr)) { jl_expr_t *e = (jl_expr_t*)expr; jl_expr_t *ne = jl_exprn(e->head, jl_array_len(e->args)); JL_GC_PUSH1(&ne); if (e->head == lambda_sym) { jl_exprarg(ne, 0) = copy_ast(jl_exprarg(e,0), sp, 0); jl_exprarg(ne, 1) = copy_ast(jl_exprarg(e,1), sp, 0); jl_exprarg(ne, 2) = copy_ast(jl_exprarg(e,2), sp, 1); } else { for(size_t i=0; i < jl_array_len(e->args); i++) jl_exprarg(ne, i) = copy_ast(jl_exprarg(e,i), sp, 1); } JL_GC_POP(); return (jl_value_t*)ne; } return expr; }
// `v` might be pointing to a field inlined in a structure therefore // `jl_typeof(v)` may not be the same with `vt` and only `vt` should be // used to determine the type of the value. // This is necessary to make sure that this function doesn't allocate any // memory through the Julia GC static size_t jl_static_show_x_(JL_STREAM *out, jl_value_t *v, jl_datatype_t *vt, struct recur_list *depth) { size_t n = 0; if ((uintptr_t)vt < 4096U) { n += jl_printf(out, "<?#%p::%p>", (void*)v, (void*)vt); } else if ((uintptr_t)v < 4096U) { n += jl_printf(out, "<?#%p::", (void*)v); n += jl_static_show_x(out, (jl_value_t*)vt, depth); n += jl_printf(out, ">"); } else if (vt == jl_method_type) { jl_method_t *m = (jl_method_t*)v; n += jl_static_show_x(out, (jl_value_t*)m->module, depth); n += jl_printf(out, ".%s(...)", jl_symbol_name(m->name)); } else if (vt == jl_method_instance_type) { jl_method_instance_t *li = (jl_method_instance_t*)v; if (jl_is_method(li->def.method)) { jl_method_t *m = li->def.method; n += jl_static_show_x(out, (jl_value_t*)m->module, depth); if (li->specTypes) { n += jl_printf(out, "."); n += jl_show_svec(out, ((jl_datatype_t*)jl_unwrap_unionall(li->specTypes))->parameters, jl_symbol_name(m->name), "(", ")"); } else { n += jl_printf(out, ".%s(?)", jl_symbol_name(m->name)); } } else { n += jl_static_show_x(out, (jl_value_t*)li->def.module, depth); n += jl_printf(out, ".<toplevel thunk> -> "); n += jl_static_show_x(out, li->inferred, depth); } } else if (vt == jl_simplevector_type) { n += jl_show_svec(out, (jl_svec_t*)v, "svec", "(", ")"); } else if (vt == jl_datatype_type) { jl_datatype_t *dv = (jl_datatype_t*)v; jl_sym_t *globname = dv->name->mt != NULL ? dv->name->mt->name : NULL; int globfunc = 0; if (globname && !strchr(jl_symbol_name(globname), '#') && !strchr(jl_symbol_name(globname), '@') && dv->name->module && jl_binding_resolved_p(dv->name->module, globname)) { jl_binding_t *b = jl_get_binding(dv->name->module, globname); if (b && jl_typeof(b->value) == v) globfunc = 1; } jl_sym_t *sym = globfunc ? globname : dv->name->name; char *sn = jl_symbol_name(sym); int hidden = !globfunc && strchr(sn, '#'); size_t i = 0; int quote = 0; if (hidden) { n += jl_printf(out, "getfield("); } else if (globfunc) { n += jl_printf(out, "typeof("); } if (dv->name->module != jl_core_module || !jl_module_exports_p(jl_core_module, sym)) { n += jl_static_show_x(out, (jl_value_t*)dv->name->module, depth); if (!hidden) { n += jl_printf(out, "."); if (globfunc && !jl_id_start_char(u8_nextchar(sn, &i))) { n += jl_printf(out, ":("); quote = 1; } } } if (hidden) { n += jl_printf(out, ", Symbol(\""); n += jl_printf(out, "%s", sn); n += jl_printf(out, "\"))"); } else { n += jl_printf(out, "%s", sn); if (globfunc) { n += jl_printf(out, ")"); if (quote) n += jl_printf(out, ")"); } } if (dv->parameters && (jl_value_t*)dv != dv->name->wrapper && (jl_has_free_typevars(v) || (jl_value_t*)dv != (jl_value_t*)jl_tuple_type)) { size_t j, tlen = jl_nparams(dv); if (tlen > 0) { n += jl_printf(out, "{"); for (j = 0; j < tlen; j++) { jl_value_t *p = jl_tparam(dv,j); n += jl_static_show_x(out, p, depth); if (j != tlen-1) n += jl_printf(out, ", "); } n += jl_printf(out, "}"); } else if (dv->name == jl_tuple_typename) { n += jl_printf(out, "{}"); } } } else if (vt == jl_intrinsic_type) { int f = *(uint32_t*)jl_data_ptr(v); n += jl_printf(out, "#<intrinsic #%d %s>", f, jl_intrinsic_name(f)); } else if (vt == jl_int64_type) { n += jl_printf(out, "%" PRId64, *(int64_t*)v); } else if (vt == jl_int32_type) { n += jl_printf(out, "%" PRId32, *(int32_t*)v); } else if (vt == jl_int16_type) { n += jl_printf(out, "%" PRId16, *(int16_t*)v); } else if (vt == jl_int8_type) { n += jl_printf(out, "%" PRId8, *(int8_t*)v); } else if (vt == jl_uint64_type) { n += jl_printf(out, "0x%016" PRIx64, *(uint64_t*)v); } else if (vt == jl_uint32_type) { n += jl_printf(out, "0x%08" PRIx32, *(uint32_t*)v); } else if (vt == jl_uint16_type) { n += jl_printf(out, "0x%04" PRIx16, *(uint16_t*)v); } else if (vt == jl_uint8_type) { n += jl_printf(out, "0x%02" PRIx8, *(uint8_t*)v); } else if (jl_is_cpointer_type((jl_value_t*)vt)) { #ifdef _P64 n += jl_printf(out, "0x%016" PRIx64, *(uint64_t*)v); #else n += jl_printf(out, "0x%08" PRIx32, *(uint32_t*)v); #endif } else if (vt == jl_float32_type) { n += jl_printf(out, "%gf", *(float*)v); } else if (vt == jl_float64_type) { n += jl_printf(out, "%g", *(double*)v); } else if (vt == jl_bool_type) { n += jl_printf(out, "%s", *(uint8_t*)v ? "true" : "false"); } else if ((jl_value_t*)vt == jl_typeof(jl_nothing)) { n += jl_printf(out, "nothing"); } else if (vt == jl_string_type) { n += jl_printf(out, "\""); jl_uv_puts(out, jl_string_data(v), jl_string_len(v)); n += jl_string_len(v); n += jl_printf(out, "\""); } else if (v == jl_bottom_type) { n += jl_printf(out, "Union{}"); } else if (vt == jl_uniontype_type) { n += jl_printf(out, "Union{"); while (jl_is_uniontype(v)) { // tail-recurse on b to flatten the printing of the Union structure in the common case n += jl_static_show_x(out, ((jl_uniontype_t*)v)->a, depth); n += jl_printf(out, ", "); v = ((jl_uniontype_t*)v)->b; } n += jl_static_show_x(out, v, depth); n += jl_printf(out, "}"); } else if (vt == jl_unionall_type) { jl_unionall_t *ua = (jl_unionall_t*)v; n += jl_static_show_x(out, ua->body, depth); n += jl_printf(out, " where "); n += jl_static_show_x(out, (jl_value_t*)ua->var, depth->prev); } else if (vt == jl_tvar_type) { // show type-var bounds only if they aren't going to be printed by UnionAll later jl_tvar_t *var = (jl_tvar_t*)v; struct recur_list *p; int showbounds = 1; for (p = depth; p != NULL; p = p->prev) { if (jl_is_unionall(p->v) && ((jl_unionall_t*)p->v)->var == var) { showbounds = 0; break; } } jl_value_t *lb = var->lb, *ub = var->ub; if (showbounds && lb != jl_bottom_type) { // show type-var lower bound if it is defined int ua = jl_is_unionall(lb); if (ua) n += jl_printf(out, "("); n += jl_static_show_x(out, lb, depth); if (ua) n += jl_printf(out, ")"); n += jl_printf(out, "<:"); } n += jl_printf(out, "%s", jl_symbol_name(var->name)); if (showbounds && (ub != (jl_value_t*)jl_any_type || lb != jl_bottom_type)) { // show type-var upper bound if it is defined, or if we showed the lower bound int ua = jl_is_unionall(ub); n += jl_printf(out, "<:"); if (ua) n += jl_printf(out, "("); n += jl_static_show_x(out, ub, depth); if (ua) n += jl_printf(out, ")"); } } else if (vt == jl_module_type) { jl_module_t *m = (jl_module_t*)v; if (m->parent != m && m->parent != jl_main_module) { n += jl_static_show_x(out, (jl_value_t*)m->parent, depth); n += jl_printf(out, "."); } n += jl_printf(out, "%s", jl_symbol_name(m->name)); } else if (vt == jl_sym_type) { char *sn = jl_symbol_name((jl_sym_t*)v); int quoted = !jl_is_identifier(sn) && jl_operator_precedence(sn) == 0; if (quoted) n += jl_printf(out, "Symbol(\""); else n += jl_printf(out, ":"); n += jl_printf(out, "%s", sn); if (quoted) n += jl_printf(out, "\")"); } else if (vt == jl_ssavalue_type) { n += jl_printf(out, "SSAValue(%" PRIuPTR ")", (uintptr_t)((jl_ssavalue_t*)v)->id); } else if (vt == jl_globalref_type) { n += jl_static_show_x(out, (jl_value_t*)jl_globalref_mod(v), depth); n += jl_printf(out, ".%s", jl_symbol_name(jl_globalref_name(v))); } else if (vt == jl_labelnode_type) { n += jl_printf(out, "%" PRIuPTR ":", jl_labelnode_label(v)); } else if (vt == jl_gotonode_type) { n += jl_printf(out, "goto %" PRIuPTR, jl_gotonode_label(v)); } else if (vt == jl_quotenode_type) { jl_value_t *qv = *(jl_value_t**)v; if (!jl_is_symbol(qv)) { n += jl_printf(out, "quote "); } else { n += jl_printf(out, ":("); } n += jl_static_show_x(out, qv, depth); if (!jl_is_symbol(qv)) { n += jl_printf(out, " end"); } else { n += jl_printf(out, ")"); } } else if (vt == jl_newvarnode_type) { n += jl_printf(out, "<newvar "); n += jl_static_show_x(out, *(jl_value_t**)v, depth); n += jl_printf(out, ">"); } else if (vt == jl_linenumbernode_type) { n += jl_printf(out, "#= "); n += jl_static_show_x(out, jl_linenode_file(v), depth); n += jl_printf(out, ":%" PRIuPTR " =#", jl_linenode_line(v)); } else if (vt == jl_expr_type) { jl_expr_t *e = (jl_expr_t*)v; if (e->head == assign_sym && jl_array_len(e->args) == 2) { n += jl_static_show_x(out, jl_exprarg(e,0), depth); n += jl_printf(out, " = "); n += jl_static_show_x(out, jl_exprarg(e,1), depth); } else { char sep = ' '; if (e->head == body_sym) sep = '\n'; n += jl_printf(out, "Expr(:%s", jl_symbol_name(e->head)); size_t i, len = jl_array_len(e->args); for (i = 0; i < len; i++) { n += jl_printf(out, ",%c", sep); n += jl_static_show_x(out, jl_exprarg(e,i), depth); } n += jl_printf(out, ")::"); n += jl_static_show_x(out, e->etype, depth); } } else if (jl_is_array_type(vt)) { n += jl_static_show_x(out, (jl_value_t*)vt, depth); n += jl_printf(out, "["); size_t j, tlen = jl_array_len(v); jl_array_t *av = (jl_array_t*)v; jl_datatype_t *el_type = (jl_datatype_t*)jl_tparam0(vt); int nlsep = 0; if (av->flags.ptrarray) { // print arrays with newlines, unless the elements are probably small for (j = 0; j < tlen; j++) { jl_value_t *p = jl_array_ptr_ref(av, j); if (p != NULL && (uintptr_t)p >= 4096U) { jl_value_t *p_ty = jl_typeof(p); if ((uintptr_t)p_ty >= 4096U) { if (!jl_isbits(p_ty)) { nlsep = 1; break; } } } } } if (nlsep && tlen > 1) n += jl_printf(out, "\n "); for (j = 0; j < tlen; j++) { if (av->flags.ptrarray) { n += jl_static_show_x(out, jl_array_ptr_ref(v, j), depth); } else { char *ptr = ((char*)av->data) + j * av->elsize; n += jl_static_show_x_(out, (jl_value_t*)ptr, el_type, depth); } if (j != tlen - 1) n += jl_printf(out, nlsep ? ",\n " : ", "); } n += jl_printf(out, "]"); } else if (vt == jl_loaderror_type) { n += jl_printf(out, "LoadError(at "); n += jl_static_show_x(out, *(jl_value_t**)v, depth); // Access the field directly to avoid allocation n += jl_printf(out, " line %" PRIdPTR, ((intptr_t*)v)[1]); n += jl_printf(out, ": "); n += jl_static_show_x(out, ((jl_value_t**)v)[2], depth); n += jl_printf(out, ")"); } else if (vt == jl_errorexception_type) { n += jl_printf(out, "ErrorException("); n += jl_static_show_x(out, *(jl_value_t**)v, depth); n += jl_printf(out, ")"); } else if (jl_is_datatype(vt)) { int istuple = jl_is_tuple_type(vt); if (!istuple) n += jl_static_show_x(out, (jl_value_t*)vt, depth); n += jl_printf(out, "("); size_t nb = jl_datatype_size(vt); size_t tlen = jl_datatype_nfields(vt); if (nb > 0 && tlen == 0) { uint8_t *data = (uint8_t*)v; n += jl_printf(out, "0x"); for(int i = nb - 1; i >= 0; --i) n += jl_printf(out, "%02" PRIx8, data[i]); } else { size_t i = 0; if (vt == jl_typemap_entry_type) i = 1; for (; i < tlen; i++) { if (!istuple) { n += jl_printf(out, "%s", jl_symbol_name(jl_field_name(vt, i))); n += jl_printf(out, "="); } size_t offs = jl_field_offset(vt, i); char *fld_ptr = (char*)v + offs; if (jl_field_isptr(vt, i)) { n += jl_static_show_x(out, *(jl_value_t**)fld_ptr, depth); } else { jl_datatype_t *ft = (jl_datatype_t*)jl_field_type(vt, i); if (jl_is_uniontype(ft)) { uint8_t sel = ((uint8_t*)fld_ptr)[jl_field_size(vt, i) - 1]; ft = (jl_datatype_t*)jl_nth_union_component((jl_value_t*)ft, sel); } n += jl_static_show_x_(out, (jl_value_t*)fld_ptr, ft, depth); } if (istuple && tlen == 1) n += jl_printf(out, ","); else if (i != tlen - 1) n += jl_printf(out, ", "); } if (vt == jl_typemap_entry_type) { n += jl_printf(out, ", next=↩︎\n "); n += jl_static_show_x(out, jl_fieldref(v, 0), depth); } } n += jl_printf(out, ")"); } else { n += jl_printf(out, "<?#%p::", (void*)v); n += jl_static_show_x(out, (jl_value_t*)vt, depth); n += jl_printf(out, ">"); } return n; }
// ccall(pointer, rettype, (argtypes...), args...) static Value *emit_ccall(jl_value_t **args, size_t nargs, jl_codectx_t *ctx) { JL_NARGSV(ccall, 3); jl_value_t *ptr=NULL, *rt=NULL, *at=NULL; JL_GC_PUSH(&ptr, &rt, &at); ptr = jl_interpret_toplevel_expr_in(ctx->module, args[1], &jl_tupleref(ctx->sp,0), ctx->sp->length/2); rt = jl_interpret_toplevel_expr_in(ctx->module, args[2], &jl_tupleref(ctx->sp,0), ctx->sp->length/2); if (jl_is_tuple(rt)) { std::string msg = "in " + ctx->funcName + ": ccall: missing return type"; jl_error(msg.c_str()); } at = jl_interpret_toplevel_expr_in(ctx->module, args[3], &jl_tupleref(ctx->sp,0), ctx->sp->length/2); void *fptr; if (jl_is_symbol(ptr)) { // just symbol, default to JuliaDLHandle fptr = jl_dlsym(jl_dl_handle, ((jl_sym_t*)ptr)->name); } else { JL_TYPECHK(ccall, pointer, ptr); fptr = *(void**)jl_bits_data(ptr); } JL_TYPECHK(ccall, type, rt); JL_TYPECHK(ccall, tuple, at); JL_TYPECHK(ccall, type, at); jl_tuple_t *tt = (jl_tuple_t*)at; std::vector<Type *> fargt(0); std::vector<Type *> fargt_sig(0); Type *lrt = julia_type_to_llvm(rt, ctx); if (lrt == NULL) { JL_GC_POP(); return literal_pointer_val(jl_nothing); } size_t i; bool haspointers = false; bool isVa = false; for(i=0; i < tt->length; i++) { jl_value_t *tti = jl_tupleref(tt,i); if (jl_is_seq_type(tti)) { isVa = true; tti = jl_tparam0(tti); } Type *t = julia_type_to_llvm(tti, ctx); if (t == NULL) { JL_GC_POP(); return literal_pointer_val(jl_nothing); } fargt.push_back(t); if (!isVa) fargt_sig.push_back(t); } if ((!isVa && tt->length != (nargs-2)/2) || ( isVa && tt->length-1 > (nargs-2)/2)) jl_error("ccall: wrong number of arguments to C function"); // some special functions if (fptr == &jl_array_ptr) { Value *ary = emit_expr(args[4], ctx, true); JL_GC_POP(); return mark_julia_type(builder.CreateBitCast(emit_arrayptr(ary),T_pint8), rt); } // see if there are & arguments for(i=4; i < nargs+1; i+=2) { jl_value_t *argi = args[i]; if (jl_is_expr(argi) && ((jl_expr_t*)argi)->head == amp_sym) { haspointers = true; break; } } // make LLVM function object for the target Function *llvmf = Function::Create(FunctionType::get(lrt, fargt_sig, isVa), Function::ExternalLinkage, "ccall_", jl_Module); jl_ExecutionEngine->addGlobalMapping(llvmf, fptr); // save temp argument area stack pointer Value *saveloc=NULL; Value *stacksave=NULL; if (haspointers) { // TODO: inline this saveloc = builder.CreateCall(save_arg_area_loc_func); stacksave = builder.CreateCall(Intrinsic::getDeclaration(jl_Module, Intrinsic::stacksave)); } // emit arguments Value *argvals[(nargs-3)/2]; int last_depth = ctx->argDepth; int nargty = tt->length; for(i=4; i < nargs+1; i+=2) { int ai = (i-4)/2; jl_value_t *argi = args[i]; bool addressOf = false; if (jl_is_expr(argi) && ((jl_expr_t*)argi)->head == amp_sym) { addressOf = true; argi = jl_exprarg(argi,0); } Value *arg = emit_expr(argi, ctx, true); Type *largty; jl_value_t *jargty; if (isVa && ai >= nargty-1) { largty = fargt[nargty-1]; jargty = jl_tparam0(jl_tupleref(tt,nargty-1)); } else { largty = fargt[ai]; jargty = jl_tupleref(tt,ai); } /* #ifdef JL_GC_MARKSWEEP // make sure args are rooted if (largty->isPointerTy() && (largty == jl_pvalue_llvmt || !jl_is_bits_type(expr_type(args[i], ctx)))) { make_gcroot(boxed(arg), ctx); } #endif */ argvals[ai] = julia_to_native(largty, jargty, arg, argi, addressOf, ai+1, ctx); } // the actual call Value *result = builder.CreateCall(llvmf, ArrayRef<Value*>(&argvals[0],(nargs-3)/2)); // restore temp argument area stack pointer if (haspointers) { assert(saveloc != NULL); builder.CreateCall(restore_arg_area_loc_func, saveloc); assert(stacksave != NULL); builder.CreateCall(Intrinsic::getDeclaration(jl_Module, Intrinsic::stackrestore), stacksave); } ctx->argDepth = last_depth; JL_GC_POP(); if (lrt == T_void) return literal_pointer_val((jl_value_t*)jl_nothing); return mark_julia_type(result, rt); }
static jl_value_t *eval(jl_value_t *e, jl_value_t **locals, size_t nl) { if (jl_is_symbol(e)) { jl_value_t *v; size_t i; for(i=0; i < nl; i++) { if (locals[i*2] == e) { v = locals[i*2+1]; break; } } if (i >= nl) { v = jl_get_global(jl_current_module, (jl_sym_t*)e); } if (v == NULL) { jl_errorf("%s not defined", ((jl_sym_t*)e)->name); } return v; } if (jl_is_symbolnode(e)) { return eval((jl_value_t*)jl_symbolnode_sym(e), locals, nl); } if (jl_is_quotenode(e)) { return jl_fieldref(e,0); } if (jl_is_topnode(e)) { jl_sym_t *s = (jl_sym_t*)jl_fieldref(e,0); jl_value_t *v = jl_get_global(jl_base_relative_to(jl_current_module),s); if (v == NULL) jl_errorf("%s not defined", s->name); return v; } if (!jl_is_expr(e)) { if (jl_is_getfieldnode(e)) { jl_value_t *v = eval(jl_getfieldnode_val(e), locals, nl); jl_value_t *gfargs[2] = {v, (jl_value_t*)jl_getfieldnode_name(e)}; return jl_f_get_field(NULL, gfargs, 2); } if (jl_is_lambda_info(e)) { return (jl_value_t*)jl_new_closure(NULL, (jl_value_t*)jl_null, (jl_lambda_info_t*)e); } if (jl_is_linenode(e)) { jl_lineno = jl_linenode_line(e); } return e; } jl_expr_t *ex = (jl_expr_t*)e; jl_value_t **args = &jl_cellref(ex->args,0); size_t nargs = jl_array_len(ex->args); if (ex->head == call_sym || ex->head == call1_sym) { jl_function_t *f = (jl_function_t*)eval(args[0], locals, nl); if (!jl_is_func(f)) jl_type_error("apply", (jl_value_t*)jl_function_type, (jl_value_t*)f); return do_call(f, &args[1], nargs-1, locals, nl); } else if (ex->head == assign_sym) { jl_value_t *sym = args[0]; size_t i; for (i=0; i < nl; i++) { if (locals[i*2] == sym) { return (locals[i*2+1] = eval(args[1], locals, nl)); } } jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)sym); jl_value_t *rhs = eval(args[1], locals, nl); jl_checked_assignment(b, rhs); return rhs; } else if (ex->head == new_sym) { jl_value_t *thetype = eval(args[0], locals, nl); jl_value_t *v=NULL; JL_GC_PUSH(&thetype, &v); assert(jl_is_structtype(thetype)); v = jl_new_struct_uninit((jl_datatype_t*)thetype); for(size_t i=1; i < nargs; i++) { jl_set_nth_field(v, i-1, eval(args[i], locals, nl)); } JL_GC_POP(); return v; } else if (ex->head == null_sym) { return (jl_value_t*)jl_nothing; } else if (ex->head == body_sym) { return eval_body(ex->args, locals, nl, 0); } else if (ex->head == exc_sym) { return jl_exception_in_transit; } else if (ex->head == static_typeof_sym) { return (jl_value_t*)jl_any_type; } else if (ex->head == method_sym) { jl_sym_t *fname = (jl_sym_t*)args[0]; jl_value_t **bp=NULL; jl_binding_t *b=NULL; jl_value_t *gf=NULL; int kw=0; if (jl_is_expr(fname)) { if (((jl_expr_t*)fname)->head == kw_sym) { kw = 1; fname = (jl_sym_t*)jl_exprarg(fname, 0); } gf = eval((jl_value_t*)fname, locals, nl); assert(jl_is_function(gf)); assert(jl_is_gf(gf)); if (!kw) { fname = (jl_sym_t*)jl_fieldref(jl_exprarg(fname, 2), 0); bp = &gf; } else { bp = (jl_value_t**)&((jl_methtable_t*)((jl_function_t*)gf)->env)->kwsorter; } assert(jl_is_symbol(fname)); } else { for (size_t i=0; i < nl; i++) { if (locals[i*2] == (jl_value_t*)fname) { bp = &locals[i*2+1]; break; } } if (bp == NULL) { b = jl_get_binding_for_method_def(jl_current_module, fname); bp = &b->value; } } jl_value_t *atypes=NULL, *meth=NULL, *tvars=NULL; JL_GC_PUSH(&atypes, &meth, &tvars); atypes = eval(args[1], locals, nl); meth = eval(args[2], locals, nl); tvars = eval(args[3], locals, nl); jl_method_def(fname, bp, b, (jl_tuple_t*)atypes, (jl_function_t*)meth, (jl_tuple_t*)tvars); JL_GC_POP(); return *bp; } else if (ex->head == const_sym) { jl_value_t *sym = args[0]; for (size_t i=0; i < nl; i++) { if (locals[i*2] == sym) { return (jl_value_t*)jl_nothing; } } jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)sym); jl_declare_constant(b); return (jl_value_t*)jl_nothing; } else if (ex->head == global_sym) { // create uninitialized mutable binding for "global x" decl // TODO: handle type decls for (size_t i=0; i < jl_array_len(ex->args); i++) { assert(jl_is_symbol(args[i])); jl_get_binding_wr(jl_current_module, (jl_sym_t*)args[i]); } return (jl_value_t*)jl_nothing; } else if (ex->head == abstracttype_sym) { jl_value_t *name = args[0]; jl_value_t *para = eval(args[1], locals, nl); jl_value_t *super = NULL; JL_GC_PUSH(¶, &super); jl_datatype_t *dt = jl_new_abstracttype(name, jl_any_type, (jl_tuple_t*)para); jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name); jl_checked_assignment(b, (jl_value_t*)dt); super = eval(args[2], locals, nl); jl_set_datatype_super(dt, super); JL_GC_POP(); return (jl_value_t*)jl_nothing; } else if (ex->head == bitstype_sym) { jl_value_t *name = args[0]; jl_value_t *super = NULL, *para = NULL, *vnb = NULL; JL_GC_PUSH(¶, &super, &vnb); para = eval(args[1], locals, nl); vnb = eval(args[2], locals, nl); if (!jl_is_long(vnb)) jl_errorf("invalid declaration of bits type %s", ((jl_sym_t*)name)->name); int32_t nb = jl_unbox_long(vnb); if (nb < 1 || nb>=(1<<23) || (nb&7) != 0) jl_errorf("invalid number of bits in type %s", ((jl_sym_t*)name)->name); jl_datatype_t *dt = jl_new_bitstype(name, jl_any_type, (jl_tuple_t*)para, nb); jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name); jl_checked_assignment(b, (jl_value_t*)dt); super = eval(args[3], locals, nl); jl_set_datatype_super(dt, super); JL_GC_POP(); return (jl_value_t*)jl_nothing; } else if (ex->head == compositetype_sym) { void jl_add_constructors(jl_datatype_t *t); jl_value_t *name = args[0]; jl_value_t *para = eval(args[1], locals, nl); jl_value_t *fnames = NULL; jl_value_t *super = NULL; jl_datatype_t *dt = NULL; JL_GC_PUSH(¶, &super, &fnames, &dt); fnames = eval(args[2], locals, nl); dt = jl_new_datatype((jl_sym_t*)name, jl_any_type, (jl_tuple_t*)para, (jl_tuple_t*)fnames, NULL, 0, args[6]==jl_true ? 1 : 0); dt->fptr = jl_f_ctor_trampoline; dt->ctor_factory = eval(args[3], locals, nl); jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name); jl_checked_assignment(b, (jl_value_t*)dt); inside_typedef = 1; dt->types = (jl_tuple_t*)eval(args[5], locals, nl); inside_typedef = 0; jl_check_type_tuple(dt->types, dt->name->name, "type definition"); super = eval(args[4], locals, nl); jl_set_datatype_super(dt, super); jl_compute_field_offsets(dt); jl_add_constructors(dt); JL_GC_POP(); return (jl_value_t*)jl_nothing; } else if (ex->head == macro_sym) { jl_sym_t *nm = (jl_sym_t*)args[0]; assert(jl_is_symbol(nm)); jl_function_t *f = (jl_function_t*)eval(args[1], locals, nl); assert(jl_is_function(f)); if (jl_boot_file_loaded && f->linfo && f->linfo->ast && jl_is_expr(f->linfo->ast)) { jl_lambda_info_t *li = f->linfo; li->ast = jl_compress_ast(li, li->ast); li->name = nm; } jl_set_global(jl_current_module, nm, (jl_value_t*)f); return (jl_value_t*)jl_nothing; } else if (ex->head == line_sym) { jl_lineno = jl_unbox_long(jl_exprarg(ex,0)); return (jl_value_t*)jl_nothing; } else if (ex->head == module_sym) { return jl_eval_module_expr(ex); } else if (ex->head == error_sym || ex->head == jl_continue_sym) { if (jl_is_byte_string(args[0])) jl_errorf("syntax: %s", jl_string_data(args[0])); jl_throw(args[0]); } jl_errorf("unsupported or misplaced expression %s", ex->head->name); return (jl_value_t*)jl_nothing; }
// --- parse :sym or (:sym, :lib) argument into address info --- static native_sym_arg_t interpret_symbol_arg(jl_value_t *arg, jl_codectx_t *ctx, const char *fname) { jl_value_t *ptr = NULL; Value *jl_ptr=NULL; ptr = static_eval(arg, ctx, true); if (ptr == NULL) { jl_value_t *ptr_ty = expr_type(arg, ctx); Value *arg1 = emit_unboxed(arg, ctx); if (!jl_is_cpointer_type(ptr_ty)) { emit_cpointercheck(arg1, !strcmp(fname,"ccall") ? "ccall: first argument not a pointer or valid constant expression" : "cglobal: first argument not a pointer or valid constant expression", ctx); } jl_ptr = emit_unbox(T_size, T_psize, arg1); } void *fptr=NULL; char *f_name=NULL, *f_lib=NULL; if (ptr != NULL) { if (jl_is_tuple(ptr) && jl_tuple_len(ptr)==1) { ptr = jl_tupleref(ptr,0); } if (jl_is_symbol(ptr)) f_name = ((jl_sym_t*)ptr)->name; else if (jl_is_byte_string(ptr)) f_name = jl_string_data(ptr); if (f_name != NULL) { // just symbol, default to JuliaDLHandle #ifdef _OS_WINDOWS_ //TODO: store the f_lib name instead of fptr fptr = jl_dlsym_win32(f_name); #else // will look in process symbol table #endif } else if (jl_is_cpointer_type(jl_typeof(ptr))) { fptr = *(void**)jl_data_ptr(ptr); } else if (jl_is_tuple(ptr) && jl_tuple_len(ptr)>1) { jl_value_t *t0 = jl_tupleref(ptr,0); jl_value_t *t1 = jl_tupleref(ptr,1); if (jl_is_symbol(t0)) f_name = ((jl_sym_t*)t0)->name; else if (jl_is_byte_string(t0)) f_name = jl_string_data(t0); else JL_TYPECHKS(fname, symbol, t0); if (jl_is_symbol(t1)) f_lib = ((jl_sym_t*)t1)->name; else if (jl_is_byte_string(t1)) f_lib = jl_string_data(t1); else JL_TYPECHKS(fname, symbol, t1); } else { JL_TYPECHKS(fname, pointer, ptr); } } native_sym_arg_t r; r.jl_ptr = jl_ptr; r.fptr = fptr; r.f_name = f_name; r.f_lib = f_lib; return r; }
jl_value_t *jl_resolve_globals(jl_value_t *expr, jl_lambda_info_t *lam) { if (jl_is_symbol(expr)) { if (lam->def->module == NULL) return expr; return jl_module_globalref(lam->def->module, (jl_sym_t*)expr); } else if (jl_is_expr(expr)) { jl_expr_t *e = (jl_expr_t*)expr; if (jl_is_toplevel_only_expr(expr) || e->head == const_sym || e->head == copyast_sym || e->head == global_sym || e->head == quote_sym || e->head == inert_sym || e->head == line_sym || e->head == meta_sym || e->head == inbounds_sym || e->head == boundscheck_sym || e->head == simdloop_sym) { } else { if (e->head == call_sym && jl_expr_nargs(e) == 3 && jl_is_quotenode(jl_exprarg(e, 2)) && lam->def->module != NULL) { // replace getfield(module_expr, :sym) with GlobalRef jl_value_t *s = jl_fieldref(jl_exprarg(e, 2), 0); jl_value_t *fe = jl_exprarg(e, 0); if (jl_is_symbol(s) && jl_is_globalref(fe)) { jl_binding_t *b = jl_get_binding(jl_globalref_mod(fe), jl_globalref_name(fe)); jl_value_t *f = NULL; if (b && b->constp) { f = b->value; } if (f == jl_builtin_getfield) { jl_value_t *me = jl_exprarg(e, 1); jl_module_t *me_mod = NULL; jl_sym_t *me_sym = NULL; if (jl_is_globalref(me)) { me_mod = jl_globalref_mod(me); me_sym = jl_globalref_name(me); } else if (jl_is_symbol(me) && jl_binding_resolved_p(lam->def->module, (jl_sym_t*)me)) { me_mod = lam->def->module; me_sym = (jl_sym_t*)me; } if (me_mod && me_sym) { jl_binding_t *b = jl_get_binding(me_mod, me_sym); if (b && b->constp) { jl_value_t *m = b->value; if (m && jl_is_module(m)) { return jl_module_globalref((jl_module_t*)m, (jl_sym_t*)s); } } } } } } size_t i = 0; if (e->head == method_sym || e->head == abstracttype_sym || e->head == compositetype_sym || e->head == bitstype_sym || e->head == module_sym) i++; for(; i < jl_array_len(e->args); i++) { jl_exprargset(e, i, jl_resolve_globals(jl_exprarg(e, i), lam)); } } } return expr; }
jl_value_t *jl_eval_module_expr(jl_expr_t *ex, int *plineno) { assert(ex->head == module_sym); jl_module_t *last_module = jl_current_module; jl_sym_t *name = (jl_sym_t*)jl_exprarg(ex, 0); if (!jl_is_symbol(name)) { jl_type_error("module", (jl_value_t*)jl_sym_type, (jl_value_t*)name); } jl_module_t *parent_module; if (jl_current_module == jl_core_module || jl_current_module == jl_main_module) { parent_module = jl_root_module; } else { 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 = (jl_value_t*)parent_module; b->value = (jl_value_t*)newm; if (parent_module == jl_root_module && name == jl_symbol("Base") && jl_base_module == NULL) { // pick up Base module during bootstrap jl_base_module = newm; } JL_GC_PUSH(&last_module); jl_current_module = newm; jl_array_t *exprs = ((jl_expr_t*)jl_exprarg(ex, 1))->args; JL_TRY { for(int i=0; i < exprs->length; i++) { // process toplevel form jl_value_t *form = jl_cellref(exprs, i); if (jl_is_linenode(form)) { if (plineno) *plineno = jl_linenode_line(form); } else { (void)jl_toplevel_eval_flex(form, 1, plineno); } } } JL_CATCH { JL_GC_POP(); jl_current_module = last_module; jl_raise(jl_exception_in_transit); } 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->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; }
static jl_value_t *eval(jl_value_t *e, interpreter_state *s) { jl_ptls_t ptls = jl_get_ptls_states(); jl_code_info_t *src = s->src; if (jl_is_ssavalue(e)) { ssize_t id = ((jl_ssavalue_t*)e)->id; if (src == NULL || id >= jl_source_nssavalues(src) || id < 0 || s->locals == NULL) jl_error("access to invalid SSAValue"); else return s->locals[jl_source_nslots(src) + id]; } if (jl_is_slot(e)) { ssize_t n = jl_slot_number(e); if (src == NULL || n > jl_source_nslots(src) || n < 1 || s->locals == NULL) jl_error("access to invalid slot number"); jl_value_t *v = s->locals[n - 1]; if (v == NULL) jl_undefined_var_error((jl_sym_t*)jl_array_ptr_ref(src->slotnames, n - 1)); return v; } if (jl_is_globalref(e)) { return jl_eval_global_var(jl_globalref_mod(e), jl_globalref_name(e)); } if (jl_is_quotenode(e)) return jl_fieldref(e,0); jl_module_t *modu = s->module; if (jl_is_symbol(e)) { // bare symbols appear in toplevel exprs not wrapped in `thunk` return jl_eval_global_var(modu, (jl_sym_t*)e); } if (!jl_is_expr(e)) return e; jl_expr_t *ex = (jl_expr_t*)e; jl_value_t **args = (jl_value_t**)jl_array_data(ex->args); size_t nargs = jl_array_len(ex->args); if (ex->head == isdefined_sym) { jl_value_t *sym = args[0]; int defined = 0; if (jl_is_slot(sym)) { ssize_t n = jl_slot_number(sym); if (src == NULL || n > jl_source_nslots(src) || n < 1 || s->locals == NULL) jl_error("access to invalid slot number"); defined = s->locals[n - 1] != NULL; } else if (jl_is_globalref(sym)) { defined = jl_boundp(jl_globalref_mod(sym), jl_globalref_name(sym)); } else if (jl_is_symbol(sym)) { defined = jl_boundp(modu, (jl_sym_t*)sym); } else if (jl_is_expr(sym) && ((jl_expr_t*)sym)->head == static_parameter_sym) { ssize_t n = jl_unbox_long(args[0]); assert(n > 0); if (s->sparam_vals && n <= jl_svec_len(s->sparam_vals)) { jl_value_t *sp = jl_svecref(s->sparam_vals, n - 1); defined = !jl_is_typevar(sp); } else { // static parameter val unknown needs to be an error for ccall jl_error("could not determine static parameter value"); } } else { assert(0 && "malformed isdefined expression"); } return defined ? jl_true : jl_false; } else if (ex->head == call_sym) { return do_call(args, nargs, s); } else if (ex->head == invoke_sym) { return do_invoke(args, nargs, s); } else if (ex->head == new_sym) { jl_value_t *thetype = eval(args[0], s); jl_value_t *v=NULL; JL_GC_PUSH2(&thetype, &v); assert(jl_is_structtype(thetype)); v = jl_new_struct_uninit((jl_datatype_t*)thetype); for (size_t i = 1; i < nargs; i++) { jl_value_t *ft = jl_field_type(thetype, i - 1); jl_value_t *fldv = eval(args[i], s); if (!jl_isa(fldv, ft)) jl_type_error("new", ft, fldv); jl_set_nth_field(v, i - 1, fldv); } JL_GC_POP(); return v; } else if (ex->head == static_parameter_sym) { ssize_t n = jl_unbox_long(args[0]); assert(n > 0); if (s->sparam_vals && n <= jl_svec_len(s->sparam_vals)) { jl_value_t *sp = jl_svecref(s->sparam_vals, n - 1); if (jl_is_typevar(sp) && !s->preevaluation) jl_undefined_var_error(((jl_tvar_t*)sp)->name); return sp; } // static parameter val unknown needs to be an error for ccall jl_error("could not determine static parameter value"); } else if (ex->head == inert_sym) { return args[0]; } else if (ex->head == copyast_sym) { return jl_copy_ast(eval(args[0], s)); } else if (ex->head == exc_sym) { return ptls->exception_in_transit; } else if (ex->head == method_sym) { jl_sym_t *fname = (jl_sym_t*)args[0]; if (jl_is_globalref(fname)) { modu = jl_globalref_mod(fname); fname = jl_globalref_name(fname); } assert(jl_expr_nargs(ex) != 1 || jl_is_symbol(fname)); if (jl_is_symbol(fname)) { jl_value_t *bp_owner = (jl_value_t*)modu; jl_binding_t *b = jl_get_binding_for_method_def(modu, fname); jl_value_t **bp = &b->value; jl_value_t *gf = jl_generic_function_def(b->name, b->owner, bp, bp_owner, b); if (jl_expr_nargs(ex) == 1) return gf; } jl_value_t *atypes = NULL, *meth = NULL; JL_GC_PUSH2(&atypes, &meth); atypes = eval(args[1], s); meth = eval(args[2], s); jl_method_def((jl_svec_t*)atypes, (jl_code_info_t*)meth, s->module, args[3]); JL_GC_POP(); return jl_nothing; } else if (ex->head == const_sym) { jl_sym_t *sym = (jl_sym_t*)args[0]; if (jl_is_globalref(sym)) { modu = jl_globalref_mod(sym); sym = jl_globalref_name(sym); } assert(jl_is_symbol(sym)); jl_binding_t *b = jl_get_binding_wr(modu, sym, 1); jl_declare_constant(b); return (jl_value_t*)jl_nothing; } else if (ex->head == abstracttype_sym) { if (inside_typedef) jl_error("cannot eval a new abstract type definition while defining another type"); jl_value_t *name = args[0]; jl_value_t *para = eval(args[1], s); jl_value_t *super = NULL; jl_value_t *temp = NULL; jl_datatype_t *dt = NULL; jl_value_t *w = NULL; JL_GC_PUSH4(¶, &super, &temp, &w); assert(jl_is_svec(para)); if (jl_is_globalref(name)) { modu = jl_globalref_mod(name); name = (jl_value_t*)jl_globalref_name(name); } assert(jl_is_symbol(name)); dt = jl_new_abstracttype(name, modu, NULL, (jl_svec_t*)para); w = dt->name->wrapper; jl_binding_t *b = jl_get_binding_wr(modu, (jl_sym_t*)name, 1); temp = b->value; check_can_assign_type(b, w); b->value = w; jl_gc_wb_binding(b, w); JL_TRY { inside_typedef = 1; super = eval(args[2], s); jl_set_datatype_super(dt, super); jl_reinstantiate_inner_types(dt); } JL_CATCH { jl_reset_instantiate_inner_types(dt); b->value = temp; jl_rethrow(); } b->value = temp; if (temp == NULL || !equiv_type(dt, (jl_datatype_t*)jl_unwrap_unionall(temp))) { jl_checked_assignment(b, w); } JL_GC_POP(); return (jl_value_t*)jl_nothing; } else if (ex->head == primtype_sym) {