Commit 50854226a6
Changed files (14)
doc
example
guess_number
hello_world
shared_library
src
test
doc/langref.md
@@ -23,7 +23,7 @@ RootExportDecl : many(Directive) "export" "Symbol" "String" ";"
ExternBlock : many(Directive) "extern" "{" many(FnDecl) "}"
-FnProto : many(Directive) option(FnVisibleMod) "fn" "Symbol" ParamDeclList option(PrefixOpExpression)
+FnProto : many(Directive) option(FnVisibleMod) "fn" "Symbol" ParamDeclList option("->" PrefixOpExpression)
Directive : "#" "Symbol" "(" "String" ")"
@@ -31,7 +31,7 @@ FnVisibleMod : "pub" | "export"
FnDecl : FnProto ";"
-FnDef : FnProto "=>" Block
+FnDef : FnProto Block
ParamDeclList : "(" list(ParamDecl, ",") ")"
example/guess_number/main.zig
@@ -3,7 +3,7 @@ export executable "guess_number";
import "std.zig";
import "rand.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
%%stderr.print_str("Welcome to the Guess Number Game in Zig.\n");
var seed : u32;
example/hello_world/hello.zig
@@ -2,6 +2,6 @@ export executable "hello";
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
stdout.printf("Hello, world!\n");
}
example/hello_world/hello_libc.zig
@@ -2,10 +2,10 @@ export executable "hello";
#link("c")
extern {
- fn printf(__format: &const u8, ...) i32;
+ fn printf(__format: &const u8, ...) -> i32;
}
-export fn main(argc: i32, argv: &&u8) i32 => {
+export fn main(argc: i32, argv: &&u8) -> i32 {
printf(c"Hello, world!\n");
return 0;
}
example/multiple_files/foo.zig
@@ -2,10 +2,10 @@ import "std.zig";
// purposefully conflicting function with main.zig
// but it's private so it should be OK
-fn private_function() => {
+fn private_function() {
stdout.printf("OK 1\n");
}
-pub fn print_text() => {
+pub fn print_text() {
private_function();
}
example/multiple_files/main.zig
@@ -3,12 +3,11 @@ export executable "test-multiple-files";
import "std.zig";
import "foo.zig";
-pub fn main(args: [][]u8) i32 => {
+pub fn main(args: [][]u8) -> %void {
private_function();
stdout.printf("OK 2\n");
- return 0;
}
-fn private_function() => {
+fn private_function() {
print_text();
}
src/parser.cpp
@@ -2675,7 +2675,7 @@ static AstNode *ast_parse_block(ParseContext *pc, int *token_index, bool mandato
}
/*
-FnProto : many(Directive) option(FnVisibleMod) "fn" "Symbol" ParamDeclList option(PrefixOpExpression)
+FnProto : many(Directive) option(FnVisibleMod) "fn" "Symbol" ParamDeclList option("->" PrefixOpExpression)
*/
static AstNode *ast_parse_fn_proto(ParseContext *pc, int *token_index, bool mandatory) {
Token *first_token = &pc->tokens->at(*token_index);
@@ -2727,8 +2727,10 @@ static AstNode *ast_parse_fn_proto(ParseContext *pc, int *token_index, bool mand
ast_parse_param_decl_list(pc, token_index, &node->data.fn_proto.params, &node->data.fn_proto.is_var_args);
Token *next_token = &pc->tokens->at(*token_index);
- node->data.fn_proto.return_type = ast_parse_prefix_op_expr(pc, token_index, false);
- if (!node->data.fn_proto.return_type) {
+ if (next_token->id == TokenIdArrow) {
+ *token_index += 1;
+ node->data.fn_proto.return_type = ast_parse_prefix_op_expr(pc, token_index, false);
+ } else {
node->data.fn_proto.return_type = ast_create_void_type_node(pc, next_token);
}
@@ -2737,7 +2739,7 @@ static AstNode *ast_parse_fn_proto(ParseContext *pc, int *token_index, bool mand
}
/*
-FnDef : FnProto token(FatArrow) Block
+FnDef : FnProto Block
*/
static AstNode *ast_parse_fn_def(ParseContext *pc, int *token_index, bool mandatory) {
AstNode *fn_proto = ast_parse_fn_proto(pc, token_index, mandatory);
@@ -2746,7 +2748,6 @@ static AstNode *ast_parse_fn_def(ParseContext *pc, int *token_index, bool mandat
AstNode *node = ast_create_node_with_node(pc, NodeTypeFnDef, fn_proto);
node->data.fn_def.fn_proto = fn_proto;
- ast_eat_token(pc, token_index, TokenIdFatArrow);
node->data.fn_def.body = ast_parse_block(pc, token_index, true);
normalize_parent_ptrs(node);
std/bootstrap.zig
@@ -8,14 +8,14 @@ var argv: &&u8 = undefined;
var env: &&u8 = undefined;
#attribute("naked")
-export fn _start() unreachable => {
+export fn _start() -> unreachable {
argc = asm("mov (%%rsp), %[argc]": [argc] "=r" (-> isize));
argv = asm("lea 0x8(%%rsp), %[argv]": [argv] "=r" (-> &&u8));
env = asm("lea 0x10(%%rsp,%%rdi,8), %[env]": [env] "=r" (-> &&u8));
call_main()
}
-fn strlen(ptr: &const u8) isize => {
+fn strlen(ptr: &const u8) -> isize {
var count: isize = 0;
while (ptr[count] != 0) {
count += 1;
@@ -23,7 +23,7 @@ fn strlen(ptr: &const u8) isize => {
return count;
}
-fn call_main() unreachable => {
+fn call_main() -> unreachable {
var args: [argc][]u8;
for (arg, args, i) {
const ptr = argv[i];
std/builtin.zig
@@ -1,7 +1,7 @@
// These functions are provided when not linking against libc because LLVM
// sometimes generates code that calls them.
-export fn memset(dest: &u8, c: u8, n: isize) &u8 => {
+export fn memset(dest: &u8, c: u8, n: isize) -> &u8 {
var index : @typeof(n) = 0;
while (index != n) {
dest[index] = c;
@@ -10,7 +10,7 @@ export fn memset(dest: &u8, c: u8, n: isize) &u8 => {
return dest;
}
-export fn memcpy(noalias dest: &u8, noalias src: &const u8, n: isize) &u8 => {
+export fn memcpy(noalias dest: &u8, noalias src: &const u8, n: isize) -> &u8 {
var index : @typeof(n) = 0;
while (index != n) {
dest[index] = src[index];
std/rand.zig
@@ -7,7 +7,7 @@ pub struct Rand {
index: isize,
/// Get 32 bits of randomness.
- pub fn get_u32(r: &Rand) u32 => {
+ pub fn get_u32(r: &Rand) -> u32 {
if (r.index == 0) {
r.generate_numbers();
}
@@ -24,7 +24,7 @@ pub struct Rand {
}
/// Fill `buf` with randomness.
- pub fn get_bytes(r: &Rand, buf: []u8) => {
+ pub fn get_bytes(r: &Rand, buf: []u8) {
var bytes_left = r.get_bytes_aligned(buf);
if (bytes_left > 0) {
var rand_val_array : [@sizeof(u32)]u8;
@@ -38,7 +38,7 @@ pub struct Rand {
/// Get a random unsigned integer with even distribution between `start`
/// inclusive and `end` exclusive.
- pub fn range_u64(r: &Rand, start: u64, end: u64) u64 => {
+ pub fn range_u64(r: &Rand, start: u64, end: u64) -> u64 {
const range = end - start;
const leftover = @max_value(u64) % range;
const upper_bound = @max_value(u64) - leftover;
@@ -53,7 +53,7 @@ pub struct Rand {
}
}
- fn generate_numbers(r: &Rand) => {
+ fn generate_numbers(r: &Rand) {
for (item, r.array, i) {
const y : u32 = (item & 0x80000000) + (r.array[(i + 1) % ARRAY_SIZE] & 0x7fffffff);
const untempered : u32 = r.array[(i + 397) % ARRAY_SIZE] ^ (y >> 1);
@@ -67,7 +67,7 @@ pub struct Rand {
}
// does not populate the remaining (buf.len % 4) bytes
- fn get_bytes_aligned(r: &Rand, buf: []u8) isize => {
+ fn get_bytes_aligned(r: &Rand, buf: []u8) -> isize {
var bytes_left = buf.len;
while (bytes_left >= 4) {
*((&u32)(&buf[buf.len - bytes_left])) = r.get_u32();
@@ -78,7 +78,7 @@ pub struct Rand {
}
/// Initialize random state with the given seed.
-pub fn rand_new(seed: u32) Rand => {
+pub fn rand_new(seed: u32) -> Rand {
var r: Rand;
r.index = 0;
r.array[0] = seed;
std/std.zig
@@ -50,7 +50,7 @@ pub struct OutStream {
index: isize,
buffered: bool,
- pub fn print_str(os: &OutStream, str: []const u8) %isize => {
+ pub fn print_str(os: &OutStream, str: []const u8) -> %isize {
var src_bytes_left = str.len;
var src_index: @typeof(str.len) = 0;
const dest_space_left = os.buffer.len - os.index;
@@ -72,13 +72,13 @@ pub struct OutStream {
/// Prints a byte buffer, flushes the buffer, then returns the number of
/// bytes printed. The "f" is for "flush".
- pub fn printf(os: &OutStream, str: []const u8) %isize => {
+ pub fn printf(os: &OutStream, str: []const u8) -> %isize {
const byte_count = %return os.print_str(str);
%return os.flush();
return byte_count;
}
- pub fn print_u64(os: &OutStream, x: u64) %isize => {
+ pub fn print_u64(os: &OutStream, x: u64) -> %isize {
if (os.index + max_u64_base10_digits >= os.buffer.len) {
%return os.flush();
}
@@ -93,7 +93,7 @@ pub struct OutStream {
}
- pub fn print_i64(os: &OutStream, x: i64) %isize => {
+ pub fn print_i64(os: &OutStream, x: i64) -> %isize {
if (os.index + max_u64_base10_digits >= os.buffer.len) {
%return os.flush();
}
@@ -108,7 +108,7 @@ pub struct OutStream {
}
- pub fn flush(os: &OutStream) %void => {
+ pub fn flush(os: &OutStream) -> %void {
const amt_written = write(os.fd, os.buffer.ptr, os.index);
os.index = 0;
if (amt_written < 0) {
@@ -130,7 +130,7 @@ pub struct OutStream {
pub struct InStream {
fd: isize,
- pub fn read(is: &InStream, buf: []u8) %isize => {
+ pub fn read(is: &InStream, buf: []u8) -> %isize {
const amt_read = read(is.fd, buf.ptr, buf.len);
if (amt_read < 0) {
return switch (-amt_read) {
@@ -146,7 +146,7 @@ pub struct InStream {
}
}
-pub fn os_get_random_bytes(buf: []u8) %void => {
+pub fn os_get_random_bytes(buf: []u8) -> %void {
const amt_got = getrandom(buf.ptr, buf.len, 0);
if (amt_got < 0) {
return switch (-amt_got) {
@@ -162,7 +162,7 @@ pub fn os_get_random_bytes(buf: []u8) %void => {
pub error InvalidChar;
pub error Overflow;
-pub fn parse_u64(buf: []u8, radix: u8) %u64 => {
+pub fn parse_u64(buf: []u8, radix: u8) -> %u64 {
var x : u64 = 0;
for (c, buf) {
@@ -186,7 +186,7 @@ pub fn parse_u64(buf: []u8, radix: u8) %u64 => {
return x;
}
-fn char_to_digit(c: u8) u8 => {
+fn char_to_digit(c: u8) -> u8 {
// TODO use switch with range
if ('0' <= c && c <= '9') {
c - '0'
@@ -199,7 +199,7 @@ fn char_to_digit(c: u8) u8 => {
}
}
-fn buf_print_i64(out_buf: []u8, x: i64) isize => {
+fn buf_print_i64(out_buf: []u8, x: i64) -> isize {
if (x < 0) {
out_buf[0] = '-';
return 1 + buf_print_u64(out_buf[1...], u64(-(x + 1)) + 1);
@@ -208,7 +208,7 @@ fn buf_print_i64(out_buf: []u8, x: i64) isize => {
}
}
-fn buf_print_u64(out_buf: []u8, x: u64) isize => {
+fn buf_print_u64(out_buf: []u8, x: u64) -> isize {
var buf: [max_u64_base10_digits]u8;
var a = x;
var index = buf.len;
@@ -229,6 +229,6 @@ fn buf_print_u64(out_buf: []u8, x: u64) isize => {
return len;
}
-fn min_isize(x: isize, y: isize) isize => {
+fn min_isize(x: isize, y: isize) -> isize {
if (x < y) x else y
}
std/syscall.zig
@@ -3,33 +3,33 @@ const SYS_write = 1;
const SYS_exit = 60;
const SYS_getrandom = 318;
-fn syscall1(number: isize, arg1: isize) isize => {
+fn syscall1(number: isize, arg1: isize) -> isize {
asm volatile ("syscall"
: [ret] "={rax}" (-> isize)
: [number] "{rax}" (number), [arg1] "{rdi}" (arg1)
: "rcx", "r11")
}
-fn syscall3(number: isize, arg1: isize, arg2: isize, arg3: isize) isize => {
+fn syscall3(number: isize, arg1: isize, arg2: isize, arg3: isize) -> isize {
asm volatile ("syscall"
: [ret] "={rax}" (-> isize)
: [number] "{rax}" (number), [arg1] "{rdi}" (arg1), [arg2] "{rsi}" (arg2), [arg3] "{rdx}" (arg3)
: "rcx", "r11")
}
-pub fn read(fd: isize, buf: &u8, count: isize) isize => {
+pub fn read(fd: isize, buf: &u8, count: isize) -> isize {
syscall3(SYS_read, isize(fd), isize(buf), count)
}
-pub fn write(fd: isize, buf: &const u8, count: isize) isize => {
+pub fn write(fd: isize, buf: &const u8, count: isize) -> isize {
syscall3(SYS_write, isize(fd), isize(buf), count)
}
-pub fn exit(status: i32) unreachable => {
+pub fn exit(status: i32) -> unreachable {
syscall1(SYS_exit, isize(status));
unreachable{}
}
-pub fn getrandom(buf: &u8, count: isize, flags: u32) isize => {
+pub fn getrandom(buf: &u8, count: isize, flags: u32) -> isize {
syscall3(SYS_getrandom, isize(buf), count, isize(flags))
}
test/run_tests.cpp
@@ -98,10 +98,10 @@ static void add_compiling_test_cases(void) {
add_simple_case("hello world with libc", R"SOURCE(
#link("c")
extern {
- fn puts(s: &const u8) i32;
+ fn puts(s: &const u8) -> i32;
}
-export fn main(argc: i32, argv: &&u8) i32 => {
+export fn main(argc: i32, argv: &&u8) -> i32 {
puts(c"Hello, world!");
return 0;
}
@@ -111,16 +111,16 @@ export fn main(argc: i32, argv: &&u8) i32 => {
import "std.zig";
import "syscall.zig";
-fn empty_function_1() => {}
-fn empty_function_2() => { return; }
+fn empty_function_1() {}
+fn empty_function_2() { return; }
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
empty_function_1();
empty_function_2();
this_is_a_function();
}
-fn this_is_a_function() unreachable => {
+fn this_is_a_function() -> unreachable {
stdout.printf("OK\n");
exit(0);
}
@@ -132,11 +132,11 @@ import "std.zig";
/**
* multi line doc comment
*/
-fn another_function() => {}
+fn another_function() {}
/// this is a documentation comment
/// doc comment line 2
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
stdout.printf(/* mid-line comment /* nested */ */ "OK\n");
}
)SOURCE", "OK\n");
@@ -146,12 +146,12 @@ pub fn main(args: [][]u8) %void => {
import "std.zig";
import "foo.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
private_function();
stdout.printf("OK 2\n");
}
-fn private_function() => {
+fn private_function() {
print_text();
}
)SOURCE", "OK 1\nOK 2\n");
@@ -161,11 +161,11 @@ import "std.zig";
// purposefully conflicting function with main.zig
// but it's private so it should be OK
-fn private_function() => {
+fn private_function() {
stdout.printf("OK 1\n");
}
-pub fn print_text() => {
+pub fn print_text() {
private_function();
}
)SOURCE");
@@ -176,7 +176,7 @@ pub fn print_text() => {
import "foo.zig";
import "bar.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
foo_function();
bar_function();
}
@@ -184,7 +184,7 @@ pub fn main(args: [][]u8) %void => {
add_source_file(tc, "foo.zig", R"SOURCE(
import "std.zig";
-pub fn foo_function() => {
+pub fn foo_function() {
stdout.printf("OK\n");
}
)SOURCE");
@@ -193,7 +193,7 @@ pub fn foo_function() => {
import "other.zig";
import "std.zig";
-pub fn bar_function() => {
+pub fn bar_function() {
if (foo_function()) {
stdout.printf("OK\n");
}
@@ -201,7 +201,7 @@ pub fn bar_function() => {
)SOURCE");
add_source_file(tc, "other.zig", R"SOURCE(
-pub fn foo_function() bool => {
+pub fn foo_function() -> bool {
// this one conflicts with the one from foo
return true;
}
@@ -211,7 +211,7 @@ pub fn foo_function() bool => {
add_simple_case("if statements", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
if (1 != 0) {
stdout.printf("1 is true\n");
} else {
@@ -231,11 +231,11 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("params", R"SOURCE(
import "std.zig";
-fn add(a: i32, b: i32) i32 => {
+fn add(a: i32, b: i32) -> i32 {
a + b
}
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
if (add(22, 11) == 33) {
stdout.printf("pass\n");
}
@@ -245,7 +245,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("goto", R"SOURCE(
import "std.zig";
-fn loop(a : i32) => {
+fn loop(a : i32) {
if (a == 0) {
goto done;
}
@@ -256,7 +256,7 @@ done:
return;
}
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
loop(3);
}
)SOURCE", "loop\nloop\nloop\n");
@@ -264,7 +264,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("local variables", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const a : i32 = 1;
const b = i32(2);
if (a + b == 3) {
@@ -276,7 +276,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("bool literals", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
if (true) { stdout.printf("OK 1\n"); }
if (false) { stdout.printf("BAD 1\n"); }
if (!true) { stdout.printf("BAD 2\n"); }
@@ -287,7 +287,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("separate block scopes", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
if (true) {
const no_conflict : i32 = 5;
if (no_conflict == 5) { stdout.printf("OK 1\n"); }
@@ -304,11 +304,11 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("void parameters", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
void_fun(1, void{}, 2);
}
-fn void_fun(a : i32, b : void, c : i32) => {
+fn void_fun(a : i32, b : void, c : i32) {
const v = b;
const vv : void = if (a == 1) {v} else {};
if (a + c == 3) { stdout.printf("OK\n"); }
@@ -323,7 +323,7 @@ struct Foo {
b : i32,
c : void,
}
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const foo = Foo {
.a = void{},
.b = 1,
@@ -343,7 +343,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("void arrays", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var array: [4]void;
array[0] = void{};
array[1] = array[2];
@@ -361,7 +361,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("mutable local variables", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var zero : i32 = 0;
if (zero == 0) { stdout.printf("zero\n"); }
@@ -376,7 +376,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("arrays", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var array : [5]i32;
var i : i32 = 0;
@@ -401,7 +401,7 @@ pub fn main(args: [][]u8) %void => {
stdout.printf("BAD\n");
}
}
-fn get_array_len(a: []i32) isize => {
+fn get_array_len(a: []i32) -> isize {
a.len
}
)SOURCE", "OK\n");
@@ -410,7 +410,7 @@ fn get_array_len(a: []i32) isize => {
add_simple_case("hello world without libc", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
stdout.printf("Hello, world!\n");
}
)SOURCE", "Hello, world!\n");
@@ -419,7 +419,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("a + b + c", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
if (false || false || false) { stdout.printf("BAD 1\n"); }
if (true && true && false) { stdout.printf("BAD 2\n"); }
if (1 | 2 | 4 != 7) { stdout.printf("BAD 3\n"); }
@@ -440,7 +440,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("short circuit", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
if (true || { stdout.printf("BAD 1\n"); false }) {
stdout.printf("OK 1\n");
}
@@ -461,7 +461,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("modify operators", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var i : i32 = 0;
i += 5; if (i != 5) { stdout.printf("BAD +=\n"); }
i -= 2; if (i != 3) { stdout.printf("BAD -=\n"); }
@@ -483,10 +483,10 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("number literals", R"SOURCE(
#link("c")
extern {
- fn printf(__format: &const u8, ...) i32;
+ fn printf(__format: &const u8, ...) -> i32;
}
-export fn main(argc: i32, argv: &&u8) i32 => {
+export fn main(argc: i32, argv: &&u8) -> i32 {
printf(c"\n");
printf(c"0: %llu\n",
@@ -612,7 +612,7 @@ export fn main(argc: i32, argv: &&u8) i32 => {
add_simple_case("structs", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var foo : Foo;
@memset(&foo, 0, @sizeof(Foo));
foo.a += 1;
@@ -632,12 +632,12 @@ struct Foo {
b : bool,
c : f32,
}
-fn test_foo(foo : Foo) => {
+fn test_foo(foo : Foo) {
if (!foo.b) {
stdout.printf("BAD\n");
}
}
-fn test_mutation(foo : &Foo) => {
+fn test_mutation(foo : &Foo) {
foo.c = 100;
}
struct Node {
@@ -648,7 +648,7 @@ struct Node {
struct Val {
x: i32,
}
-fn test_point_to_self() => {
+fn test_point_to_self() {
var root : Node;
root.val.x = 1;
@@ -662,7 +662,7 @@ fn test_point_to_self() => {
stdout.printf("BAD\n");
}
}
-fn test_byval_assign() => {
+fn test_byval_assign() {
var foo1 : Foo;
var foo2 : Foo;
@@ -674,7 +674,7 @@ fn test_byval_assign() => {
if (foo2.a != 1234) { stdout.printf("BAD - byval assignment failed\n"); }
}
-fn test_initializer() => {
+fn test_initializer() {
const val = Val { .x = 42 };
if (val.x != 42) { stdout.printf("BAD\n"); }
}
@@ -686,7 +686,7 @@ import "std.zig";
const g1 : i32 = 1233 + 1;
var g2 : i32 = 0;
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
if (g2 != 0) { stdout.printf("BAD\n"); }
g2 = g1;
if (g2 != 1234) { stdout.printf("BAD\n"); }
@@ -696,7 +696,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("while loop", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var i : i32 = 0;
while (i < 4) {
stdout.printf("loop\n");
@@ -704,10 +704,10 @@ pub fn main(args: [][]u8) %void => {
}
g();
}
-fn g() i32 => {
+fn g() -> i32 {
return f();
}
-fn f() i32 => {
+fn f() -> i32 {
while (true) {
return 0;
}
@@ -716,7 +716,7 @@ fn f() i32 => {
add_simple_case("continue and break", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var i : i32 = 0;
while (true) {
stdout.printf("loop\n");
@@ -731,7 +731,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("maybe type", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const x : ?bool = true;
if (const y ?= x) {
@@ -764,14 +764,14 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("implicit cast after unreachable", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const x = outer();
if (x == 1234) {
stdout.printf("OK\n");
}
}
-fn inner() i32 => { 1234 }
-fn outer() isize => {
+fn inner() -> i32 { 1234 }
+fn outer() -> isize {
return inner();
}
)SOURCE", "OK\n");
@@ -780,7 +780,7 @@ fn outer() isize => {
import "std.zig";
const x: u16 = 13;
const z: @typeof(x) = 19;
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const y: @typeof(x) = 120;
stdout.print_u64(@sizeof(@typeof(y)));
stdout.printf("\n");
@@ -791,11 +791,11 @@ pub fn main(args: [][]u8) %void => {
import "std.zig";
struct Rand {
seed: u32,
- pub fn get_seed(r: Rand) u32 => {
+ pub fn get_seed(r: Rand) -> u32 {
r.seed
}
}
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const r = Rand {.seed = 1234};
if (r.get_seed() != 1234) {
stdout.printf("BAD seed\n");
@@ -807,7 +807,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("pointer dereferencing", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var x = i32(3);
const y = &x;
@@ -828,7 +828,7 @@ import "std.zig";
const ARRAY_SIZE : i8 = 20;
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var array : [ARRAY_SIZE]u8;
stdout.print_u64(@sizeof(@typeof(array)));
stdout.printf("\n");
@@ -837,7 +837,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("@min_value() and @max_value()", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
stdout.printf("max u8: ");
stdout.print_u64(@max_value(u8));
stdout.printf("\n");
@@ -923,7 +923,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("slicing", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var array : [20]i32;
array[5] = 1234;
@@ -950,12 +950,12 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("else if expression", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
if (f(1) == 1) {
stdout.printf("OK\n");
}
}
-fn f(c: u8) u8 => {
+fn f(c: u8) -> u8 {
if (c == 0) {
0
} else if (c == 1) {
@@ -968,7 +968,7 @@ fn f(c: u8) u8 => {
add_simple_case("overflow intrinsics", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var result: u8;
if (!@add_with_overflow(u8, 250, 100, &result)) {
stdout.printf("BAD\n");
@@ -985,7 +985,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("memcpy and memset intrinsics", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var foo : [20]u8;
var bar : [20]u8;
@@ -1005,10 +1005,10 @@ import "std.zig";
const z : @typeof(stdin_fileno) = 0;
const x : @typeof(y) = 1234;
const y : u16 = 5678;
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
var x : i32 = print_ok(x);
}
-fn print_ok(val: @typeof(x)) @typeof(foo) => {
+fn print_ok(val: @typeof(x)) -> @typeof(foo) {
stdout.printf("OK\n");
return 0;
}
@@ -1036,7 +1036,7 @@ enum Bar {
D,
}
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const foo1 = Foo.One(13);
const foo2 = Foo.Two(Point { .x = 1234, .y = 5678, });
const bar = Bar.B;
@@ -1067,7 +1067,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("array literal", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const HEX_MULT = []u16{4096, 256, 16, 1};
if (HEX_MULT.len != 4) {
@@ -1085,7 +1085,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("nested arrays", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const array_of_strings = [][]u8 {"hello", "this", "is", "my", "thing"};
var i: @typeof(array_of_strings.len) = 0;
while (i < array_of_strings.len) {
@@ -1099,7 +1099,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("for loops", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const array = []u8 {9, 8, 7, 6};
for (item, array) {
stdout.print_u64(item);
@@ -1124,7 +1124,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("function pointers", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const fns = []@typeof(fn1) { fn1, fn2, fn3, fn4, };
for (f, fns) {
stdout.print_u64(f());
@@ -1132,10 +1132,10 @@ pub fn main(args: [][]u8) %void => {
}
}
-fn fn1() u32 => {5}
-fn fn2() u32 => {6}
-fn fn3() u32 => {7}
-fn fn4() u32 => {8}
+fn fn1() -> u32 {5}
+fn fn2() -> u32 {6}
+fn fn3() -> u32 {7}
+fn fn4() -> u32 {8}
)SOURCE", "5\n6\n7\n8\n");
add_simple_case("switch statement", R"SOURCE(
@@ -1148,7 +1148,7 @@ enum Foo {
D,
}
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const foo = Foo.C;
const val: i32 = switch (foo) {
Foo.A => 1,
@@ -1169,7 +1169,7 @@ import "std.zig";
const ten = 10;
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const one = 1;
const eleven = ten + one;
@@ -1188,7 +1188,7 @@ struct Foo {
y: bool,
}
var foo = Foo { .x = 13, .y = true, };
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
foo.x += 1;
if (foo.x != 14) {
stdout.printf("BAD\n");
@@ -1201,7 +1201,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("statically initialized array literal", R"SOURCE(
import "std.zig";
const x = []u8{1,2,3,4};
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const y : [4]u8 = x;
if (y[3] != 4) {
stdout.printf("BAD\n");
@@ -1215,7 +1215,7 @@ pub fn main(args: [][]u8) %void => {
import "std.zig";
error err1;
error err2;
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const a = i32(error.err1);
const b = i32(error.err2);
if (a == b) {
@@ -1228,7 +1228,7 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("return with implicit cast from while loop", R"SOURCE(
import "std.zig";
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
while (true) {
stdout.printf("OK\n");
return;
@@ -1242,13 +1242,13 @@ struct Foo {
x: i32,
y: i32,
}
-fn make_foo(x: i32, y: i32) Foo => {
+fn make_foo(x: i32, y: i32) -> Foo {
Foo {
.x = x,
.y = y,
}
}
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const foo = make_foo(1234, 5678);
if (foo.y != 5678) {
stdout.printf("BAD\n");
@@ -1260,14 +1260,14 @@ pub fn main(args: [][]u8) %void => {
add_simple_case("%% binary operator", R"SOURCE(
import "std.zig";
error ItBroke;
-fn g(x: bool) %isize => {
+fn g(x: bool) -> %isize {
if (x) {
error.ItBroke
} else {
10
}
}
-pub fn main(args: [][]u8) %void => {
+pub fn main(args: [][]u8) -> %void {
const a = g(true) %% 3;
const b = g(false) %% 3;
if (a != 3) {
@@ -1286,8 +1286,8 @@ pub fn main(args: [][]u8) %void => {
static void add_compile_failure_test_cases(void) {
add_compile_fail_case("multiple function definitions", R"SOURCE(
-fn a() => {}
-fn a() => {}
+fn a() {}
+fn a() {}
)SOURCE", 1, ".tmp_source.zig:3:1: error: redefinition of 'a'");
add_compile_fail_case("bad directive", R"SOURCE(
@@ -1296,46 +1296,46 @@ extern {
fn b();
}
#bogus2("")
-fn a() => {}
+fn a() {}
)SOURCE", 2, ".tmp_source.zig:2:1: error: invalid directive: 'bogus1'",
".tmp_source.zig:6:1: error: invalid directive: 'bogus2'");
add_compile_fail_case("unreachable with return", R"SOURCE(
-fn a() unreachable => {return;}
+fn a() -> unreachable {return;}
)SOURCE", 1, ".tmp_source.zig:2:24: error: expected type 'unreachable', got 'void'");
add_compile_fail_case("control reaches end of non-void function", R"SOURCE(
-fn a() i32 => {}
+fn a() -> i32 {}
)SOURCE", 1, ".tmp_source.zig:2:15: error: expected type 'i32', got 'void'");
add_compile_fail_case("undefined function call", R"SOURCE(
-fn a() => {
+fn a() {
b();
}
)SOURCE", 1, ".tmp_source.zig:3:5: error: use of undeclared identifier 'b'");
add_compile_fail_case("wrong number of arguments", R"SOURCE(
-fn a() => {
+fn a() {
b(1);
}
-fn b(a: i32, b: i32, c: i32) => { }
+fn b(a: i32, b: i32, c: i32) { }
)SOURCE", 1, ".tmp_source.zig:3:6: error: expected 3 arguments, got 1");
add_compile_fail_case("invalid type", R"SOURCE(
-fn a() bogus => {}
- )SOURCE", 1, ".tmp_source.zig:2:8: error: use of undeclared identifier 'bogus'");
+fn a() -> bogus {}
+ )SOURCE", 1, ".tmp_source.zig:2:11: error: use of undeclared identifier 'bogus'");
add_compile_fail_case("pointer to unreachable", R"SOURCE(
-fn a() &unreachable => {}
- )SOURCE", 1, ".tmp_source.zig:2:8: error: pointer to unreachable not allowed");
+fn a() -> &unreachable {}
+ )SOURCE", 1, ".tmp_source.zig:2:11: error: pointer to unreachable not allowed");
add_compile_fail_case("unreachable code", R"SOURCE(
-fn a() => {
+fn a() {
return;
b();
}
-fn b() => {}
+fn b() {}
)SOURCE", 1, ".tmp_source.zig:4:5: error: unreachable code");
add_compile_fail_case("bad version string", R"SOURCE(
@@ -1348,7 +1348,7 @@ import "bogus-does-not-exist.zig";
)SOURCE", 1, ".tmp_source.zig:2:1: error: unable to find 'bogus-does-not-exist.zig'");
add_compile_fail_case("undeclared identifier", R"SOURCE(
-fn a() => {
+fn a() {
b +
c
}
@@ -1357,95 +1357,95 @@ fn a() => {
".tmp_source.zig:4:5: error: use of undeclared identifier 'c'");
add_compile_fail_case("goto cause unreachable code", R"SOURCE(
-fn a() => {
+fn a() {
goto done;
b();
done:
return;
}
-fn b() => {}
+fn b() {}
)SOURCE", 1, ".tmp_source.zig:4:5: error: unreachable code");
add_compile_fail_case("parameter redeclaration", R"SOURCE(
-fn f(a : i32, a : i32) => {
+fn f(a : i32, a : i32) {
}
)SOURCE", 1, ".tmp_source.zig:2:15: error: redeclaration of variable 'a'");
add_compile_fail_case("local variable redeclaration", R"SOURCE(
-fn f() => {
+fn f() {
const a : i32 = 0;
const a = 0;
}
)SOURCE", 1, ".tmp_source.zig:4:5: error: redeclaration of variable 'a'");
add_compile_fail_case("local variable redeclares parameter", R"SOURCE(
-fn f(a : i32) => {
+fn f(a : i32) {
const a = 0;
}
)SOURCE", 1, ".tmp_source.zig:3:5: error: redeclaration of variable 'a'");
add_compile_fail_case("variable has wrong type", R"SOURCE(
-fn f() i32 => {
+fn f() -> i32 {
const a = c"a";
a
}
)SOURCE", 1, ".tmp_source.zig:4:5: error: expected type 'i32', got '&const u8'");
add_compile_fail_case("if condition is bool, not int", R"SOURCE(
-fn f() => {
+fn f() {
if (0) {}
}
)SOURCE", 1, ".tmp_source.zig:3:9: error: value 0 cannot be represented in type 'bool'");
add_compile_fail_case("assign unreachable", R"SOURCE(
-fn f() => {
+fn f() {
const a = return;
}
)SOURCE", 1, ".tmp_source.zig:3:5: error: variable initialization is unreachable");
add_compile_fail_case("unreachable variable", R"SOURCE(
-fn f() => {
+fn f() {
const a : unreachable = return;
}
)SOURCE", 1, ".tmp_source.zig:3:15: error: variable of type 'unreachable' not allowed");
add_compile_fail_case("unreachable parameter", R"SOURCE(
-fn f(a : unreachable) => {}
+fn f(a : unreachable) {}
)SOURCE", 1, ".tmp_source.zig:2:10: error: parameter of type 'unreachable' not allowed");
add_compile_fail_case("unused label", R"SOURCE(
-fn f() => {
+fn f() {
a_label:
}
)SOURCE", 1, ".tmp_source.zig:3:1: error: label 'a_label' defined but not used");
add_compile_fail_case("bad assignment target", R"SOURCE(
-fn f() => {
+fn f() {
3 = 3;
}
)SOURCE", 1, ".tmp_source.zig:3:5: error: invalid assignment target");
add_compile_fail_case("assign to constant variable", R"SOURCE(
-fn f() => {
+fn f() {
const a = 3;
a = 4;
}
)SOURCE", 1, ".tmp_source.zig:4:5: error: cannot assign to constant");
add_compile_fail_case("use of undeclared identifier", R"SOURCE(
-fn f() => {
+fn f() {
b = 3;
}
)SOURCE", 1, ".tmp_source.zig:3:5: error: use of undeclared identifier 'b'");
add_compile_fail_case("const is a statement, not an expression", R"SOURCE(
-fn f() => {
+fn f() {
(const a = 0);
}
)SOURCE", 1, ".tmp_source.zig:3:6: error: invalid token: 'const'");
add_compile_fail_case("array access errors", R"SOURCE(
-fn f() => {
+fn f() {
var bad : bool;
i[i] = i[i];
bad[bad] = bad[bad];
@@ -1460,19 +1460,19 @@ fn f() => {
".tmp_source.zig:5:20: error: expected type 'isize', got 'bool'");
add_compile_fail_case("variadic functions only allowed in extern", R"SOURCE(
-fn f(...) => {}
+fn f(...) {}
)SOURCE", 1, ".tmp_source.zig:2:1: error: variadic arguments only allowed in extern functions");
add_compile_fail_case("write to const global variable", R"SOURCE(
const x : i32 = 99;
-fn f() => {
+fn f() {
x = 1;
}
)SOURCE", 1, ".tmp_source.zig:4:5: error: cannot assign to constant");
add_compile_fail_case("missing else clause", R"SOURCE(
-fn f() => {
+fn f() {
const x : i32 = if (true) { 1 };
const y = if (true) { i32(1) };
}
@@ -1491,7 +1491,7 @@ struct C { a : A, }
add_compile_fail_case("invalid struct field", R"SOURCE(
struct A { x : i32, }
-fn f() => {
+fn f() {
var a : A;
a.foo = 1;
const y = a.bar;
@@ -1522,7 +1522,7 @@ var a : i32 = 2;
add_compile_fail_case("byvalue struct on exported functions", R"SOURCE(
struct A { x : i32, }
-export fn f(a : A) => {}
+export fn f(a : A) {}
)SOURCE", 1, ".tmp_source.zig:3:13: error: byvalue struct parameters not yet supported on exported functions");
add_compile_fail_case("duplicate field in struct value expression", R"SOURCE(
@@ -1531,7 +1531,7 @@ struct A {
y : i32,
z : i32,
}
-fn f() => {
+fn f() {
const a = A {
.z = 1,
.y = 2,
@@ -1547,7 +1547,7 @@ struct A {
y : i32,
z : i32,
}
-fn f() => {
+fn f() {
// we want the error on the '{' not the 'A' because
// the A could be a complicated expression
const a = A {
@@ -1563,7 +1563,7 @@ struct A {
y : i32,
z : i32,
}
-fn f() => {
+fn f() {
const a = A {
.z = 4,
.y = 2,
@@ -1573,33 +1573,33 @@ fn f() => {
)SOURCE", 1, ".tmp_source.zig:11:9: error: no member named 'foo' in 'A'");
add_compile_fail_case("invalid break expression", R"SOURCE(
-fn f() => {
+fn f() {
break;
}
)SOURCE", 1, ".tmp_source.zig:3:5: error: 'break' expression outside loop");
add_compile_fail_case("invalid continue expression", R"SOURCE(
-fn f() => {
+fn f() {
continue;
}
)SOURCE", 1, ".tmp_source.zig:3:5: error: 'continue' expression outside loop");
add_compile_fail_case("invalid maybe type", R"SOURCE(
-fn f() => {
+fn f() {
if (const x ?= true) { }
}
)SOURCE", 1, ".tmp_source.zig:3:20: error: expected maybe type");
add_compile_fail_case("cast unreachable", R"SOURCE(
-fn f() i32 => {
+fn f() -> i32 {
i32(return 1)
}
)SOURCE", 1, ".tmp_source.zig:3:8: error: invalid cast from type 'unreachable' to 'i32'");
add_compile_fail_case("invalid builtin fn", R"SOURCE(
-fn f() @bogus(foo) => {
+fn f() -> @bogus(foo) {
}
- )SOURCE", 1, ".tmp_source.zig:2:8: error: invalid builtin function: 'bogus'");
+ )SOURCE", 1, ".tmp_source.zig:2:11: error: invalid builtin function: 'bogus'");
add_compile_fail_case("top level decl dependency loop", R"SOURCE(
const a : @typeof(b) = 0;
@@ -1607,7 +1607,7 @@ const b : @typeof(a) = 0;
)SOURCE", 1, ".tmp_source.zig:3:19: error: use of undeclared identifier 'a'");
add_compile_fail_case("noalias on non pointer param", R"SOURCE(
-fn f(noalias x: i32) => {}
+fn f(noalias x: i32) {}
)SOURCE", 1, ".tmp_source.zig:2:6: error: noalias on non-pointer parameter");
add_compile_fail_case("struct init syntax for array", R"SOURCE(
@@ -1622,14 +1622,14 @@ var foo = u8;
struct Foo {}
struct Bar {}
-fn f(Foo: i32) => {
+fn f(Foo: i32) {
var Bar : i32;
}
)SOURCE", 2, ".tmp_source.zig:5:6: error: variable shadows type 'Foo'",
".tmp_source.zig:6:5: error: variable shadows type 'Bar'");
add_compile_fail_case("multiple else prongs in a switch", R"SOURCE(
-fn f() => {
+fn f() {
const value: bool = switch (u32(111)) {
1234 => false,
else => true,
@@ -1640,7 +1640,7 @@ fn f() => {
add_compile_fail_case("global variable initializer must be constant expression", R"SOURCE(
extern {
- fn foo() i32;
+ fn foo() -> i32;
}
const x = foo();
)SOURCE", 1, ".tmp_source.zig:5:11: error: global variable initializer requires constant expression");