Removing use of $assignable and deprecate it. Fix regression for stacktraces on MacOS. Added readline_to_stream. Regression: Chaining an optional together with contracts could in some cases lose the optional.

lib/std/io/io.c3

@@ -57,35 +57,16 @@ faultdef
 *>
 macro String? readline(Allocator allocator, stream = io::stdin())
 {
-	bool $is_stream = @typeis(stream, InStream);
-	$if $is_stream:
-		$typeof(&stream.read_byte) func = &stream.read_byte;
-		char val = func((void*)stream)!;
-	$else
-		char val = stream.read_byte()!;
-	$endif
-
-	if (val == '\n') return "";
+	if (allocator == tmem)
+	{
+		DString str = dstring::temp_with_capacity(256);
+		readline_to_stream(&str, stream)!;
+		return str.str_view();
+	}
 	@pool()
 	{
 		DString str = dstring::temp_with_capacity(256);
-		if (val != '\r') str.append(val);
-		while (1)
-		{
-			$if $is_stream:
-				char? c = func((void*)stream);
-			$else
-				char? c = stream.read_byte();
-			$endif
-			if (catch err = c)
-			{
-				if (err == io::EOF) break;
-				return err?;
-			}
-			if (c == '\r') continue;
-			if (c == '\n') break;
-			str.append_char(c);
-		}
+		readline_to_stream(&str, stream)!;
 		return str.copy_str(allocator);
 	};
 }
@@ -104,6 +85,65 @@ macro String? treadline(stream = io::stdin())
 	return readline(tmem, stream) @inline;
 }
 
+<*
+ Reads a string, see `readline`, the data is passed to an outstream
+
+ @param out_stream : `The stream to write to`
+ @param in_stream : `The stream to read from.`
+ @require !($defined(&in_stream) &&& @is_instream(&in_stream)) : "The value for 'in_stream' should have been passed as a pointer and not as a value, please add '&'."
+ @require !($defined(&out_stream) &&& @is_outstream(&out_stream)) : "The value for 'out_stream' should have been passed as a pointer and not as a value, please add '&'."
+ @require @is_instream(in_stream) : `The in_stream must implement InStream.`
+ @require @is_outstream(out_stream) : `The out_stream must implement OutStream.`
+ @return `The number of bytes written`
+*>
+macro usz? readline_to_stream(out_stream, in_stream = io::stdin())
+{
+	bool $is_stream = @typeis(in_stream, InStream);
+	$if $is_stream:
+		var func = &in_stream.read_byte;
+		char val = func((void*)in_stream)!;
+	$else
+		char val = in_stream.read_byte()!;
+	$endif
+	bool $is_out_stream = @typeis(out_stream, OutStream);
+	$if $is_out_stream:
+		var out_func = &out_stream.write_byte;
+	$endif
+
+	if (val == '\n') return 0;
+	usz len;
+	if (val != '\r')
+	{
+		$if $is_out_stream:
+			out_func((void*)out_stream.ptr, val)!;
+		$else
+			out_stream.write_byte(val)!;
+		$endif
+		len++;
+	}
+	while (1)
+	{
+		$if $is_stream:
+			char? c = func((void*)in_stream);
+		$else
+			char? c = in_stream.read_byte();
+		$endif
+		if (catch err = c)
+		{
+			if (err == io::EOF) break;
+			return err?;
+		}
+		if (c == '\r') continue;
+		if (c == '\n') break;
+		$if $is_out_stream:
+			out_func((void*)out_stream.ptr, c)!;
+		$else
+			out_stream.write_byte(c)!;
+		$endif
+		len++;
+	}
+	return len;
+}
 <*
  Print a value to a stream.
 

lib/std/os/macos/darwin.c3

@@ -88,8 +88,8 @@ fn String? executable_path()
 		char[4096] buf;
 		uint temp_len = buf.len;
     	if (darwin_NSGetExecutablePath(&buf, &temp_len) < 0) return NOT_FOUND?;
-    	path[:temp_len] = buf[:temp_len];
-    	len = temp_len;
+    	path[:len] = buf[:len];
+    	len = (int)((ZString)&buf).len();
     }
     return (String)path[:len];
 }

releasenotes.md

@@ -70,6 +70,7 @@
 - A distinct type based on an array would yield .len == 0
 - Overloading addition with a pointer would not work.
 - Copying const enums and regular enums incorrect #2313.
+- Regression: Chaining an optional together with contracts could in some cases lose the optional.
 
 ### Stdlib changes
 - Improve contract for readline. #2280
@@ -81,6 +82,7 @@
 - Added `WString.len`.
 - Added `@addr` macro.
 - Add `ConditionVariable.wait_until` and `ConditionVariable.wait_for`
+- Added readline_to_stream that takes a stream.
 
 ## 0.7.3 Change list
 

src/compiler/llvm_codegen_expr.c

@@ -1359,14 +1359,13 @@ void llvm_emit_ignored_expr(GenContext *c, Expr *expr)
 		LLVMBasicBlockRef discard_fail = llvm_basic_block_new(c, "voiderr");
 		PUSH_CATCH_VAR_BLOCK(NULL, discard_fail);
 		llvm_emit_expr(c, &value, expr);
-		llvm_value_fold_optional(c, &value);
 		EMIT_EXPR_LOC(c, expr);
 		// We only optimize if there is no instruction the current block
 		if (!LLVMGetFirstInstruction(c->current_block))
 		{
 			llvm_prune_optional(c, discard_fail);
 		}
-		else
+		else if (!llvm_basic_block_is_unused(discard_fail))
 		{
 			llvm_emit_br(c, discard_fail);
 			llvm_emit_block(c, discard_fail);

src/compiler/llvm_codegen_stmt.c

@@ -142,9 +142,15 @@ void llvm_emit_local_decl(GenContext *c, Decl *decl, BEValue *value)
 	if (init)
 	{
 		llvm_value_set_decl_address(c, value, decl);
+		// Pretend to be normal.
 		value->kind = BE_ADDRESS;
 		BEValue res = llvm_emit_assign_expr(c, value, decl->var.init_expr, decl->var.optional_ref, true);
-		if (!is_optional && res.value) *value = res;
+		if (!is_optional && res.value)
+		{
+			*value = res;
+			return;
+		}
+		if (is_optional) value->kind = BE_ADDRESS_OPTIONAL;
 		return;
 	}
 

test/src/test_suite_runner.c3

@@ -11,7 +11,8 @@ Path test_dir;
 bool print_to_file;
 String stdlib;
 
-fn void main(String[] args)
+
+fn int main(String[] args)
 {
 	// Grab the name for `usage`
 	String appname = args[0];
@@ -86,7 +87,7 @@ fn void main(String[] args)
 	io::printfn("Found %d tests: %.1f%% (%d / %d) passed (%d skipped).",
         test_count, (100.0 * success_count) / math::max(1, test_count - skip_count),
         success_count, test_count - skip_count, skip_count);
-    os::exit(success_count == test_count - skip_count ? 0 :  1);
+    return success_count == test_count - skip_count ? 0 :  1;
 }
 
 struct Error

test/test_suite/errors/rethrow_macro.c3

@@ -10,5 +10,5 @@ macro void read(src, Allocator allocator, n)
 fn void main()
 {
     ByteReader br;
-    read(&br, allocator::temp(), 10)!!;
+    read(&br, tmem, 10)!!;
 }

test/test_suite/expressions/casts/void_casting.c3t

@@ -42,7 +42,6 @@ entry:
   store i32 0, ptr %x, align 4
   store i64 0, ptr %y.f, align 8
   store i32 0, ptr %y, align 4
-  %optval = load i64, ptr %y.f, align 8
   %0 = call i64 @test.foo()
   br label %postfailed
 postfailed:                                       ; preds = %entry

test/test_suite/generic/generic_lambda_complex.c3t

@@ -159,7 +159,7 @@ fn void main()
 
 	String foo_tmpl = "<<{{foo}} | {{bar}}>>";
 	FooTmpl ft;
-	ft.init(foo_tmpl, using: allocator::temp())!!;
+	ft.init(foo_tmpl, using: tmem)!!;
 	defer ft.free()!!;
 
 

test/test_suite/switch/switch_in_defer_macro.c3t

@@ -477,7 +477,7 @@ struct TrieNode
 	bool valid;
 }
 
-fn void Trie.init(&self, usz initial_capacity = 8, Allocator using = allocator::heap())
+fn void Trie.init(&self, usz initial_capacity = 8, Allocator using = mem)
 {
 	*self = {};
 	self.nodes.init(using, initial_capacity);

test/unit/regression/castable_assignable.c3

@@ -2,14 +2,14 @@ module castable @test;
 
 fn void assignable()
 {
-	assert($assignable(12.0, int) == false);
-	assert($assignable(12, int));
-	assert(!$assignable("12", int));
-	assert($assignable("12", String));
-	assert($assignable("12", char*));
-	assert($assignable("12", char[*]));
-	assert($assignable("12", char[2]));
-	assert($assignable("12", char[3]));
+	assert(@assignable_to(12.0, int) == false);
+	assert(@assignable_to(12, int));
+	assert(!@assignable_to("12", int));
+	assert(@assignable_to("12", String));
+	assert(@assignable_to("12", char*));
+	//assert($assignable("12", char[*]));
+	assert(@assignable_to("12", char[2]));
+	assert(@assignable_to("12", char[3]));
 }
 
 fn void castable()

test/unit/stdlib/collections/copy_map.c3

@@ -6,7 +6,7 @@ alias IntMap = HashMap{String, int};
 fn void copy_map() @test
 {
 	TrackingAllocator alloc;
-	alloc.init(allocator::heap());
+	alloc.init(mem);
 	defer alloc.free();
 	assert(alloc.allocated() == 0);
     mem::@scoped(&alloc)

test/unit/stdlib/collections/object.c3

@@ -3,14 +3,14 @@ import std::collections::object;
 
 fn void test_general()
 {
-	Object* root = object::new_obj(allocator::heap());
+	Object* root = object::new_obj(mem);
 	defer root.free();
 
 	root.set("foo", 1);
 	root.set("bar", "baz");
 	assert(root.get_int("foo")!! == 1);
 	assert(root.get_string("bar")!! == "baz");
-	Object* goo = root.set("goo", object::new_obj(allocator::heap()));
+	Object* goo = root.set("goo", object::new_obj(mem));
 	goo.push("hello");
 	goo.push(132);
 	assert(root.get("goo").get_int_at(1)!! == 132);
@@ -27,14 +27,14 @@ fn void test_general()
 fn void test_to_format_int()
 {
 	{
-		Object* int_object = object::new_int(16, allocator::heap());
+		Object* int_object = object::new_int(16, mem);
 		defer int_object.free();
 		String s = string::format(mem, "%s", int_object);
 		defer free(s);
 		assert(s == "16");
 	}
 	{
-		Object* int_object = object::new_int(-16, allocator::heap());
+		Object* int_object = object::new_int(-16, mem);
 		defer int_object.free();
 		String s = string::format(mem, "%s", int_object);
 		defer free(s);

test/unit/stdlib/core/mem_allocator.c3

@@ -17,9 +17,9 @@ struct Bar
 
 fn void test_new_aligned_compiles() @test
 {
-	Bar* bar2 = allocator::new_aligned(allocator::heap(), Bar)!!;
-	allocator::free_aligned(allocator::heap(), bar2);
+	Bar* bar2 = allocator::new_aligned(mem, Bar)!!;
+	allocator::free_aligned(mem, bar2);
 
-	Bar* bar = allocator::new_aligned(allocator::heap(), Bar, {.x = 1, .y = 2, .foos = {}})!!;
-	allocator::free_aligned(allocator::heap(), bar);
+	Bar* bar = allocator::new_aligned(mem, Bar, {.x = 1, .y = 2, .foos = {}})!!;
+	allocator::free_aligned(mem, bar);
 }

test/unit/stdlib/io/path.c3

@@ -36,7 +36,7 @@ fn void test_parent()
 	p.free();
 }
 
-fn void test_path_normalized() => mem::@scoped(allocator::temp())
+fn void test_path_normalized() => mem::@scoped(tmem)
 {
 	assert(path::new(mem, "",  path_env: PathEnv.WIN32).str_view()!! == "");
 	assert(@catch(path::new(mem, "1:\\a\\b\\c.txt", path_env: PathEnv.WIN32)));
@@ -212,7 +212,7 @@ fn void test_path_normalized() => mem::@scoped(allocator::temp())
 
 }
 
-fn void test_extension() => mem::@scoped(allocator::temp())
+fn void test_extension() => mem::@scoped(tmem)
 {
 	assert(@catch(path::new(mem, `C:`, path_env: PathEnv.WIN32).extension()));
 	assert(@catch(path::new(mem, `C:`, path_env: PathEnv.POSIX).extension()));
@@ -246,7 +246,7 @@ fn void test_extension() => mem::@scoped(allocator::temp())
 
 }
 
-fn void test_has_extension() => mem::@scoped(allocator::temp())
+fn void test_has_extension() => mem::@scoped(tmem)
 {
 	assert(!path::new(mem, `C:\temp\foo.bar\README`, path_env: PathEnv.WIN32)!!.has_extension(`bar\README`));
 
@@ -276,7 +276,7 @@ fn void test_has_extension() => mem::@scoped(allocator::temp())
 
 }
 
-fn void test_basename() => mem::@scoped(allocator::temp())
+fn void test_basename() => mem::@scoped(tmem)
 {
 	assert(path::for_windows(mem, "file.txt").basename()!! == "file.txt");
 	assert(path::for_posix(mem, "file.txt").basename()!! == "file.txt");
@@ -303,7 +303,7 @@ fn void test_basename() => mem::@scoped(allocator::temp())
 	assert(path::for_posix(mem, `\\server\abc`).basename()!! == `\\server\abc`);
 }
 
-fn void test_dirname() => mem::@scoped(allocator::temp())
+fn void test_dirname() => mem::@scoped(tmem)
 {
 	assert(path::for_posix(mem, "").dirname()!! == ".");
 	assert(path::for_posix(mem, "/file").dirname()!! == "/");
@@ -343,7 +343,7 @@ fn void test_dirname() => mem::@scoped(allocator::temp())
 	assert(path::for_posix(mem, `\\server\`).dirname()!! == `.`);
 }
 
-fn void test_path_volume() => mem::@scoped(allocator::temp())
+fn void test_path_volume() => mem::@scoped(tmem)
 {
 	assert(path::for_windows(mem, `C:\abs`).volume_name()!! == `C:`);
 	assert(path::for_windows(mem, `C:abs`).volume_name()!! == `C:`);
@@ -353,7 +353,7 @@ fn void test_path_volume() => mem::@scoped(allocator::temp())
     assert(path::for_windows(mem, `\\server\foo\abc`).volume_name()!! == `\\server\foo`);
 }
 
-fn void test_path_is_absolute() => mem::@scoped(allocator::temp())
+fn void test_path_is_absolute() => mem::@scoped(tmem)
 {
     assert(!path::for_posix(mem, "").is_absolute()!!);
     assert(path::for_posix(mem, "/").is_absolute()!!);
@@ -367,7 +367,7 @@ fn void test_path_is_absolute() => mem::@scoped(allocator::temp())
 	assert(path::for_windows(mem, `\\server\foo\abc`).is_absolute()!!);
 }
 
-fn void test_path_absolute() => mem::@scoped(allocator::temp())
+fn void test_path_absolute() => mem::@scoped(tmem)
 {
 $if env::WIN32:
 	assert(path::for_windows(mem, `C:\abs`).absolute(mem, )!!.str_view() == `C:\abs`);

test/unit/stdlib/io/stream.c3

@@ -75,7 +75,7 @@ fn void write_short_bytearray_test()
 fn void read_tiny_bytearray_test()
 {
 	ByteReader reader = io::wrap_bytes(&&x'07aabbcc00112233');
-	char[] read = io::read_tiny_bytearray(&reader, allocator: allocator::heap())!!;
+	char[] read = io::read_tiny_bytearray(&reader, allocator: mem)!!;
 	assert(read == &&x'aabbcc00112233');
 	free(read);
 }
@@ -83,7 +83,7 @@ fn void read_tiny_bytearray_test()
 fn void read_short_bytearray_test()
 {
 	ByteReader reader = io::wrap_bytes(&&x'0007aabbcc00112233');
-	char[] read = io::read_short_bytearray(&reader, allocator: allocator::heap())!!;
+	char[] read = io::read_short_bytearray(&reader, allocator: mem)!!;
 	assert(read == &&x'aabbcc00112233');
 	free(read);
 }

test/unit/stdlib/math/bigint.c3

@@ -11,7 +11,7 @@ fn void init_with_array()
 	BigInt bi @noinit;
 	assert(bi.init_with_array({}).equals(ZERO));
 	assert(bi.init_with_array({0, 0, 0, 1}).equals(bigint::from_int(1)));
-	assert("100000000" == bi.init_with_array({1, 0}).to_string_with_radix(16, allocator::temp()));
+	assert("100000000" == bi.init_with_array({1, 0}).to_string_with_radix(16, tmem));
 }
 
 fn void test_parse16()
@@ -22,10 +22,10 @@ fn void test_parse16()
 
 fn void test_zero()
 {
-    assert(bigint::from_int(0).to_string(allocator::temp()) == "0");
+    assert(bigint::from_int(0).to_string(tmem) == "0");
     BigInt bi;
     bi.init_string_radix("00", 16)!!;
-    assert(bi.to_string(allocator::temp()) == "0");
+    assert(bi.to_string(tmem) == "0");
 }
 
 fn void test_plus()

test/unit/stdlib/mem/temp_mem.c3

@@ -59,10 +59,10 @@ fn String inner4(String s, Allocator a)
 
 fn void test_temp_allocator() @test
 {
-    assert("foofoofoofoofoofooabcaaaaaa" == add("abc", allocator::temp(), 5), "was %s", add("abc", allocator::temp(), 5));
+    assert("foofoofoofoofoofooabcaaaaaa" == add("abc", tmem, 5), "was %s", add("abc", tmem, 5));
 }
 
 fn void test_temp_allocator2() @test
 {
-    assert("fooxyz0123456789xy**********" == breakit("xyz0123456789", allocator::temp()));
+    assert("fooxyz0123456789xy**********" == breakit("xyz0123456789", tmem));
 }