Basic variadic `print` procedure

examples/basic.odin

@@ -2,8 +2,13 @@
 #load "win32.odin"
 #load "file.odin"
 
-print_string :: proc(s: string) {
-	file_write(file_get_standard(File_Standard.OUTPUT), s as []byte)
+print_string_to_buffer :: proc(buf: ^[]byte, s: string) {
+	for i := 0; i < len(s); i++ {
+		if !append(buf, s[i]) {
+			// Buffer is full
+			return
+		}
+	}
 }
 
 byte_reverse :: proc(b: []byte) {
@@ -47,19 +52,18 @@ encode_rune :: proc(r: rune) -> ([4]byte, int) {
 	return buf, 4
 }
 
-print_rune :: proc(r: rune) {
-	buf, n := encode_rune(r)
-	str := buf[:n] as string
-	print_string(str)
+print_rune_to_buffer :: proc(buf: ^[]byte, r: rune) {
+	b, n := encode_rune(r)
+	print_string_to_buffer(buf, b[:n] as string)
 }
 
-print_space :: proc() { print_rune(#rune " ") }
-print_nl    :: proc() { print_rune(#rune "\n") }
+print_space_to_buffer :: proc(buf: ^[]byte) { print_rune_to_buffer(buf, #rune " ") }
+print_nl_to_buffer    :: proc(buf: ^[]byte) { print_rune_to_buffer(buf, #rune "\n") }
 
-print_int :: proc(i: int) {
-	print_int_base(i, 10);
+print_int_to_buffer :: proc(buf: ^[]byte, i: int) {
+	print_int_base_to_buffer(buf, i, 10);
 }
-print_int_base :: proc(i, base: int) {
+print_int_base_to_buffer :: proc(buffer: ^[]byte, i, base: int) {
 	NUM_TO_CHAR_TABLE :: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@$"
 
 	buf: [65]byte
@@ -85,13 +89,13 @@ print_int_base :: proc(i, base: int) {
 	}
 
 	byte_reverse(buf[:len])
-	print_string(buf[:len] as string)
+	print_string_to_buffer(buffer, buf[:len] as string)
 }
 
-print_uint :: proc(i: uint) {
-	print__uint(i, 10, 0, #rune " ")
+print_uint_to_buffer :: proc(buffer: ^[]byte, i: uint) {
+	print_uint_base_to_buffer(buffer, i, 10, 0, #rune " ")
 }
-print__uint :: proc(i, base: uint, min_width: int, pad_char: byte) {
+print_uint_base_to_buffer :: proc(buffer: ^[]byte, i, base: uint, min_width: int, pad_char: byte) {
 	NUM_TO_CHAR_TABLE :: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@$"
 
 	buf: [65]byte
@@ -111,30 +115,30 @@ print__uint :: proc(i, base: uint, min_width: int, pad_char: byte) {
 	}
 
 	byte_reverse(buf[:len])
-	print_string(buf[:len] as string)
+	print_string_to_buffer(buffer, buf[:len] as string)
 }
 
-print_bool :: proc(b : bool) {
-	if b { print_string("true") }
-	else { print_string("false") }
+print_bool_to_buffer :: proc(buffer: ^[]byte, b : bool) {
+	if b { print_string_to_buffer(buffer, "true") }
+	else { print_string_to_buffer(buffer, "false") }
 }
 
-print_pointer :: proc(p: rawptr) #inline { print__uint(p as uint, 16, 0, #rune " ") }
+print_pointer_to_buffer :: proc(buffer: ^[]byte, p: rawptr) #inline { print_uint_base_to_buffer(buffer, p as uint, 16, 0, #rune " ") }
 
-print_f32     :: proc(f: f32) #inline { print__f64(f as f64, 7) }
-print_f64     :: proc(f: f64) #inline { print__f64(f, 10) }
+print_f32_to_buffer :: proc(buffer: ^[]byte, f: f32) #inline { print__f64(buffer, f as f64, 7) }
+print_f64_to_buffer :: proc(buffer: ^[]byte, f: f64) #inline { print__f64(buffer, f, 10) }
 
-print__f64 :: proc(f: f64, decimal_places: int) {
+print__f64 :: proc(buffer: ^[]byte, f: f64, decimal_places: int) {
 	if f == 0 {
-		print_rune(#rune "0")
+		print_rune_to_buffer(buffer, #rune "0")
 		return
 	}
 	if f < 0 {
-		print_rune(#rune "-")
+		print_rune_to_buffer(buffer, #rune "-")
 		f = -f
 	}
 
-	print_u64 :: proc(i: u64) {
+	print_u64_to_buffer :: proc(buffer: ^[]byte, i: u64) {
 		NUM_TO_CHAR_TABLE :: "0123456789"
 
 		buf: [22]byte
@@ -149,20 +153,165 @@ print__f64 :: proc(f: f64, decimal_places: int) {
 			i /= 10
 		}
 		byte_reverse(buf[:len])
-		print_string(buf[:len] as string)
+		print_string_to_buffer(buffer, buf[:len] as string)
 	}
 
 	i := f as u64
-	print_u64(i)
+	print_u64_to_buffer(buffer, i)
 	f -= i as f64
 
-	print_rune(#rune ".")
+	print_rune_to_buffer(buffer, #rune ".")
 
 	mult := 10.0
 	for decimal_places := 6; decimal_places >= 0; decimal_places-- {
 		i = (f * mult) as u64
-		print_u64(i as u64)
+		print_u64_to_buffer(buffer, i as u64)
 		f -= i as f64 / mult
 		mult *= 10
 	}
 }
+
+
+
+print_any_to_buffer :: proc(buf: ^[]byte ,arg: any)  {
+	using Type_Info
+	match type arg.type_info -> info {
+	case Named:
+		print_string_to_buffer(buf, "(")
+		print_string_to_buffer(buf, info.name)
+		print_string_to_buffer(buf, ")")
+
+	case Integer:
+		if info.signed {
+			u: uint = 0;
+			if arg.data != null {
+				match info.size {
+				case 1:  u = (arg.data as ^u8)^ as uint
+				case 2:  u = (arg.data as ^u16)^ as uint
+				case 4:  u = (arg.data as ^u32)^ as uint
+				case 8:  u = (arg.data as ^u64)^ as uint
+				case 16: u = (arg.data as ^u128)^ as uint
+				}
+			}
+			print_uint_to_buffer(buf, u)
+		} else {
+			v: int = 0;
+			if arg.data != null {
+				match info.size {
+				case 1:  v = (arg.data as ^i8)^ as int
+				case 2:  v = (arg.data as ^i16)^ as int
+				case 4:  v = (arg.data as ^i32)^ as int
+				case 8:  v = (arg.data as ^i64)^ as int
+				case 16: v = (arg.data as ^i128)^ as int
+				}
+			}
+			print_int_to_buffer(buf, v)
+		}
+
+	case Float:
+		f: f64 = 0
+		if arg.data != null {
+			match info.size {
+			case 4: f = (arg.data as ^f32)^ as f64
+			case 8: f = (arg.data as ^f64)^ as f64
+			}
+		}
+		print_f64_to_buffer(buf, f)
+
+	case String:
+		s := ""
+		if arg.data != null {
+			s = (arg.data as ^string)^
+		}
+		print_string_to_buffer(buf, s)
+
+	case Boolean:
+		v := false;
+		if arg.data != null {
+			v = (arg.data as ^bool)^
+		}
+		print_bool_to_buffer(buf, v)
+
+	case Pointer:
+		v := null;
+		if arg.data != null {
+			v = (arg.data as ^rawptr)^
+		}
+		print_pointer_to_buffer(buf, v)
+
+	case Enum:
+		v: any
+		v.data = arg.data
+		v.type_info = info.base
+		print_any_to_buffer(buf, v)
+
+
+	case Array:     print_string_to_buffer(buf, "(array)")
+	case Slice:     print_string_to_buffer(buf, "(slice)")
+	case Vector:    print_string_to_buffer(buf, "(vector)")
+
+
+	case Struct:    print_string_to_buffer(buf, "(struct)")
+	case Union:     print_string_to_buffer(buf, "(union)")
+	case Raw_Union: print_string_to_buffer(buf, "(raw_union)")
+	case Procedure:
+		print_string_to_buffer(buf, "(procedure 0x")
+		print_pointer_to_buffer(buf, (arg.data as ^rawptr)^)
+		print_string_to_buffer(buf, ")")
+	default:
+		print_string_to_buffer(buf, "")
+	}
+}
+
+print_to_buffer :: proc(buf: ^[]byte, args: ..any) {
+	for i := 0; i < len(args); i++ {
+		arg := args[i]
+
+		if i > 0 {
+			print_space_to_buffer(buf)
+		}
+		print_any_to_buffer(buf, arg)
+	}
+	print_nl_to_buffer(buf)
+}
+
+println_to_buffer :: proc(buf: ^[]byte, args: ..any) {
+	for i := 0; i < len(args); i++ {
+		arg := args[i]
+
+		if i > 0 {
+			print_space_to_buffer(buf)
+		}
+		print_any_to_buffer(buf, arg)
+	}
+}
+
+print :: proc(args: ..any) {
+	data: [4096]byte
+	buf := data[:0]
+	for i := 0; i < len(args); i++ {
+		arg := args[i]
+
+		if i > 0 {
+			print_space_to_buffer(^buf)
+		}
+		print_any_to_buffer(^buf, arg)
+	}
+	file_write(file_get_standard(File_Standard.OUTPUT), buf)
+}
+
+
+println :: proc(args: ..any) {
+	data: [4096]byte
+	buf := data[:0]
+	for i := 0; i < len(args); i++ {
+		arg := args[i]
+
+		if i > 0 {
+			print_space_to_buffer(^buf)
+		}
+		print_any_to_buffer(^buf, arg)
+	}
+	print_nl_to_buffer(^buf)
+	file_write(file_get_standard(File_Standard.OUTPUT), buf)
+}

examples/demo.odin

@@ -1,59 +1,6 @@
 #load "basic.odin"
 #load "math.odin"
 
-
-print_type_info_kind :: proc(info: ^Type_Info) {
-	using Type_Info
-	match type info -> i {
-	case Named:     print_string("Named\n")
-	case Integer:   print_string("Integer\n")
-	case Float:     print_string("Float\n")
-	case String:    print_string("String\n")
-	case Boolean:   print_string("Boolean\n")
-	case Pointer:   print_string("Pointer\n")
-	case Procedure: print_string("Procedure\n")
-	case Array:     print_string("Array\n")
-	case Slice:     print_string("Slice\n")
-	case Vector:    print_string("Vector\n")
-	case Struct:    print_string("Struct\n")
-	case Union:     print_string("Union\n")
-	case Raw_Union: print_string("RawUnion\n")
-	case Enum:      print_string("Enum\n")
-	default:        print_string("void\n")
-	}
-}
-
-println :: proc(args: ..any) {
-	for i := 0; i < len(args); i++ {
-		arg := args[i]
-
-		if i > 0 {
-			print_string(" ")
-		}
-
-		using Type_Info
-		match type arg.type_info -> i {
-		case Named:     print_string("Named")
-		case Integer:   print_string("Integer")
-		case Float:     print_string("Float")
-		case String:    print_string("String")
-		case Boolean:   print_string("Boolean")
-		case Pointer:   print_string("Pointer")
-		case Procedure: print_string("Procedure")
-		case Array:     print_string("Array")
-		case Slice:     print_string("Slice")
-		case Vector:    print_string("Vector")
-		case Struct:    print_string("Struct")
-		case Union:     print_string("Union")
-		case Raw_Union: print_string("RawUnion")
-		case Enum:      print_string("Enum")
-		default:        print_string("void")
-		}
-	}
-
-	print_nl()
-}
-
 main :: proc() {
 	i: int
 	s: struct {
@@ -63,9 +10,5 @@ main :: proc() {
 
 	a: any = i
 
-	println(137, "Hello", 1.23)
-
-	// print_type_info_kind(a.type_info)
-	// print_type_info_kind(type_info(s))
-	// print_type_info_kind(type_info(p))
+	println(137, "Hello", 1.25, true)
 }

src/checker/expr.cpp

@@ -2714,6 +2714,8 @@ void check_call_arguments(Checker *c, Operand *operand, Type *proc_type, AstNode
 	GB_ASSERT(call->kind == AstNode_CallExpr);
 	GB_ASSERT(proc_type->kind == Type_Proc);
 	ast_node(ce, CallExpr, call);
+
+
 	isize error_code = 0;
 	isize param_index = 0;
 	isize param_count = 0;
@@ -2723,6 +2725,15 @@ void check_call_arguments(Checker *c, Operand *operand, Type *proc_type, AstNode
 		param_count = proc_type->Proc.params->Tuple.variable_count;
 	}
 
+	if (ce->ellipsis.pos.line != 0) {
+		if (!variadic) {
+			error(&c->error_collector, ce->ellipsis,
+			      "Cannot use `..` in call to a non-variadic procedure: `%.*s`",
+			      LIT(ce->proc->Ident.string));
+			return;
+		}
+	}
+
 	if (ce->arg_list_count == 0) {
 		if (variadic && param_count-1 == 0)
 			return;
@@ -2730,6 +2741,8 @@ void check_call_arguments(Checker *c, Operand *operand, Type *proc_type, AstNode
 			return;
 	}
 
+
+
 	if (ce->arg_list_count > param_count && !variadic) {
 		error_code = +1;
 	} else {

src/checker/type.cpp

@@ -722,7 +722,7 @@ Selection lookup_field(Type *type_, String field_name, b32 is_type, Selection se
 	if (type->kind == Type_Basic) {
 		if (type->Basic.kind == Basic_any) {
 			String type_info_str = make_string("type_info");
-			String data_str = make_string("data_str");
+			String data_str = make_string("data");
 			if (entity_any_type_info == NULL) {
 				Token token = {Token_Identifier};
 				token.string = type_info_str;

src/codegen/codegen.cpp

@@ -238,7 +238,7 @@ void ssa_gen_tree(ssaGen *s) {
 					case Basic_uint: {
 						tag = ssa_add_local_generated(proc, t_type_info_integer);
 						b32 is_unsigned = (basic_types[t->Basic.kind].flags & BasicFlag_Unsigned) != 0;
-						ssaValue *bits      = ssa_make_value_constant(a, t_int, make_exact_value_integer(8*type_size_of(m->sizes, a, t)));
+						ssaValue *bits      = ssa_make_value_constant(a, t_int, make_exact_value_integer(type_size_of(m->sizes, a, t)));
 						ssaValue *is_signed = ssa_make_value_constant(a, t_bool, make_exact_value_bool(!is_unsigned));
 						ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_zero32, t_int_ptr),  bits);
 						ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_one32,  t_bool_ptr), is_signed);
@@ -247,7 +247,7 @@ void ssa_gen_tree(ssaGen *s) {
 					case Basic_f32:
 					case Basic_f64: {
 						tag = ssa_add_local_generated(proc, t_type_info_float);
-						ssaValue *bits = ssa_make_value_constant(a, t_int, make_exact_value_integer(8*type_size_of(m->sizes, a, t)));
+						ssaValue *bits = ssa_make_value_constant(a, t_int, make_exact_value_integer(type_size_of(m->sizes, a, t)));
 						ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_zero32, t_int_ptr), bits);
 					} break;
 

src/codegen/print_llvm.cpp

@@ -146,7 +146,7 @@ void ssa_print_type(ssaFileBuffer *f, BaseTypeSizes s, Type *t) {
 		case Basic_u16:    ssa_fprintf(f, "i16");                     break;
 		case Basic_u32:    ssa_fprintf(f, "i32");                     break;
 		case Basic_u64:    ssa_fprintf(f, "i64");                     break;
-		case Basic_u128:   ssa_fprintf(f, "u128");                    break;
+		case Basic_u128:   ssa_fprintf(f, "i128");                    break;
 		case Basic_f32:    ssa_fprintf(f, "float");                   break;
 		case Basic_f64:    ssa_fprintf(f, "double");                  break;
 		case Basic_rawptr: ssa_fprintf(f, "%%..rawptr");              break;

src/codegen/ssa.cpp

@@ -2085,12 +2085,12 @@ ssaValue *ssa_build_single_expr(ssaProcedure *proc, AstNode *expr, TypeAndValue
 					// append :: proc(s: ^[]Type, item: Type) -> bool
 					AstNode *sptr_node = ce->arg_list;
 					AstNode *item_node = ce->arg_list->next;
-					ssaValue *slice_ptr = ssa_build_addr(proc, sptr_node).addr;
+					ssaValue *slice_ptr = ssa_build_expr(proc, sptr_node);
 					ssaValue *slice = ssa_emit_load(proc, slice_ptr);
 
 					ssaValue *elem = ssa_slice_elem(proc, slice);
-					ssaValue *len  = ssa_slice_len(proc, slice);
-					ssaValue *cap  = ssa_slice_cap(proc, slice);
+					ssaValue *len  = ssa_slice_len(proc,  slice);
+					ssaValue *cap  = ssa_slice_cap(proc,  slice);
 
 					Type *elem_type = type_deref(ssa_type(elem));
 

src/parser.cpp

@@ -106,6 +106,7 @@ AST_NODE_KIND(_ExprBegin,  "",  struct{}) \
 		AstNode *proc, *arg_list; \
 		isize arg_list_count; \
 		Token open, close; \
+		Token ellipsis; \
 		CallExprKind kind; \
 	}) \
 	AST_NODE_KIND(SliceExpr, "slice expression", struct { \
@@ -511,13 +512,14 @@ gb_inline AstNode *make_paren_expr(AstFile *f, AstNode *expr, Token open, Token
 	return result;
 }
 
-gb_inline AstNode *make_call_expr(AstFile *f, AstNode *proc, AstNode *arg_list, isize arg_list_count, Token open, Token close) {
+gb_inline AstNode *make_call_expr(AstFile *f, AstNode *proc, AstNode *arg_list, isize arg_list_count, Token open, Token close, Token ellipsis) {
 	AstNode *result = make_node(f, AstNode_CallExpr);
 	result->CallExpr.proc = proc;
 	result->CallExpr.arg_list = arg_list;
 	result->CallExpr.arg_list_count = arg_list_count;
-	result->CallExpr.open  = open;
-	result->CallExpr.close = close;
+	result->CallExpr.open     = open;
+	result->CallExpr.close    = close;
+	result->CallExpr.ellipsis = ellipsis;
 	return result;
 }
 
@@ -1296,15 +1298,22 @@ AstNode *parse_call_expr(AstFile *f, AstNode *operand) {
 	AstNode *arg_list_curr = NULL;
 	isize arg_list_count = 0;
 	Token open_paren, close_paren;
+	Token ellipsis = {};
 
 	f->expr_level++;
 	open_paren = expect_token(f, Token_OpenParen);
 
 	while (f->cursor[0].kind != Token_CloseParen &&
-	       f->cursor[0].kind != Token_EOF) {
+	       f->cursor[0].kind != Token_EOF &&
+	       ellipsis.pos.line == 0) {
 		if (f->cursor[0].kind == Token_Comma)
 			ast_file_err(f, f->cursor[0], "Expected an expression not a ,");
 
+		if (f->cursor[0].kind == Token_Ellipsis) {
+			ellipsis = f->cursor[0];
+			next_token(f);
+		}
+
 		DLIST_APPEND(arg_list, arg_list_curr, parse_expr(f, false));
 		arg_list_count++;
 
@@ -1319,7 +1328,7 @@ AstNode *parse_call_expr(AstFile *f, AstNode *operand) {
 	f->expr_level--;
 	close_paren = expect_token(f, Token_CloseParen);
 
-	return make_call_expr(f, operand, arg_list, arg_list_count, open_paren, close_paren);
+	return make_call_expr(f, operand, arg_list, arg_list_count, open_paren, close_paren, ellipsis);
 }
 
 AstNode *parse_atom_expr(AstFile *f, b32 lhs) {
@@ -1335,7 +1344,7 @@ AstNode *parse_atom_expr(AstFile *f, b32 lhs) {
 				// TODO(bill): Handle this
 			}
 			AstNode *proc = parse_identifier(f);
-			operand = make_call_expr(f, proc, operand, 1, ast_node_token(operand), op);
+			operand = make_call_expr(f, proc, operand, 1, ast_node_token(operand), op, empty_token);
 		} break;
 
 		case Token_OpenParen: {
@@ -1473,7 +1482,7 @@ AstNode *parse_binary_expr(AstFile *f, b32 lhs, i32 prec_in) {
 				AstNode *proc = parse_identifier(f);
 				AstNode *right = parse_binary_expr(f, false, prec+1);
 				expression->next = right;
-				expression = make_call_expr(f, proc, expression, 2, op, ast_node_token(right));
+				expression = make_call_expr(f, proc, expression, 2, op, ast_node_token(right), empty_token);
 				continue;
 			} break;