Commit 18c1007a34
lib/std/zig/parse.zig
@@ -1005,7 +1005,7 @@ const Parser = struct {
},
});
};
- const else_payload = try p.parsePayload();
+ _ = try p.parsePayload();
const else_expr = try p.expectStatement();
return p.addNode(.{
.tag = .@"if",
@@ -1189,7 +1189,7 @@ const Parser = struct {
});
}
};
- const else_payload = try p.parsePayload();
+ _ = try p.parsePayload();
const else_expr = try p.expectStatement();
return p.addNode(.{
.tag = .@"while",
lib/std/debug.zig
@@ -896,7 +896,6 @@ fn printLineFromFileAnyOs(out_stream: anytype, line_info: LineInfo) !void {
var buf: [mem.page_size]u8 = undefined;
var line: usize = 1;
var column: usize = 1;
- var abs_index: usize = 0;
while (true) {
const amt_read = try f.read(buf[0..]);
const slice = buf[0..amt_read];
lib/std/pdb.zig
@@ -590,7 +590,8 @@ pub const Pdb = struct {
var sect_cont_offset: usize = 0;
if (section_contrib_size != 0) {
- const version = reader.readEnum(SectionContrSubstreamVersion, .Little) catch |err| switch (err) {
+ // the version
+ _ = reader.readEnum(SectionContrSubstreamVersion, .Little) catch |err| switch (err) {
error.InvalidValue => return error.InvalidDebugInfo,
else => |e| return e,
};
@@ -616,7 +617,8 @@ pub const Pdb = struct {
// Parse the InfoStreamHeader.
const version = try reader.readIntLittle(u32);
- const signature = try reader.readIntLittle(u32);
+ // The signature
+ _ = try reader.readIntLittle(u32);
const age = try reader.readIntLittle(u32);
const guid = try reader.readBytesNoEof(16);
test/stage2/cbe.zig
@@ -93,16 +93,16 @@ pub fn addCases(ctx: *TestContext) !void {
, "");
case.addError(
\\pub export fn main() c_int {
- \\ const c = @intToError(0);
+ \\ _ = @intToError(0);
\\ return 0;
\\}
- , &.{":2:27: error: integer value 0 represents no error"});
+ , &.{":2:21: error: integer value 0 represents no error"});
case.addError(
\\pub export fn main() c_int {
- \\ const c = @intToError(3);
+ \\ _ = @intToError(3);
\\ return 0;
\\}
- , &.{":2:27: error: integer value 3 represents no error"});
+ , &.{":2:21: error: integer value 3 represents no error"});
}
{
@@ -383,6 +383,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ true => 2,
\\ false => 3,
\\ };
+ \\ _ = b;
\\}
, &.{
":6:9: error: duplicate switch value",
@@ -398,6 +399,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ f64, i32 => 3,
\\ else => 4,
\\ };
+ \\ _ = b;
\\}
, &.{
":6:14: error: duplicate switch value",
@@ -414,6 +416,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ f16...f64 => 3,
\\ else => 4,
\\ };
+ \\ _ = b;
\\}
, &.{
":3:30: error: ranges not allowed when switching on type 'type'",
@@ -431,6 +434,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ 3 => 40,
\\ else => 50,
\\ };
+ \\ _ = b;
\\}
, &.{
":8:14: error: unreachable else prong; all cases already handled",
@@ -556,10 +560,10 @@ pub fn addCases(ctx: *TestContext) !void {
\\const E1 = packed enum { a, b, c };
\\const E2 = extern enum { a, b, c };
\\export fn foo() void {
- \\ const x = E1.a;
+ \\ _ = E1.a;
\\}
\\export fn bar() void {
- \\ const x = E2.a;
+ \\ _ = E2.a;
\\}
, &.{
":1:12: error: enums do not support 'packed' or 'extern'; instead provide an explicit integer tag type",
@@ -579,10 +583,10 @@ pub fn addCases(ctx: *TestContext) !void {
\\ c,
\\};
\\export fn foo() void {
- \\ const x = E1.a;
+ \\ _ = E1.a;
\\}
\\export fn bar() void {
- \\ const x = E2.a;
+ \\ _ = E2.a;
\\}
, &.{
":3:5: error: enum fields cannot be marked comptime",
@@ -621,7 +625,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ c,
\\};
\\export fn foo() void {
- \\ const x = E1.a;
+ \\ _ = E1.a;
\\}
, &.{
":3:7: error: expected ',', found 'align'",
@@ -638,7 +642,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ _,
\\};
\\export fn foo() void {
- \\ const x = E1.a;
+ \\ _ = E1.a;
\\}
, &.{
":6:5: error: redundant non-exhaustive enum mark",
@@ -653,7 +657,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ _ = 10,
\\};
\\export fn foo() void {
- \\ const x = E1.a;
+ \\ _ = E1.a;
\\}
, &.{
":5:9: error: '_' is used to mark an enum as non-exhaustive and cannot be assigned a value",
@@ -662,7 +666,7 @@ pub fn addCases(ctx: *TestContext) !void {
case.addError(
\\const E1 = enum {};
\\export fn foo() void {
- \\ const x = E1.a;
+ \\ _ = E1.a;
\\}
, &.{
":1:12: error: enum declarations must have at least one tag",
@@ -671,7 +675,7 @@ pub fn addCases(ctx: *TestContext) !void {
case.addError(
\\const E1 = enum { a, b, _ };
\\export fn foo() void {
- \\ const x = E1.a;
+ \\ _ = E1.a;
\\}
, &.{
":1:12: error: non-exhaustive enum missing integer tag type",
@@ -681,7 +685,7 @@ pub fn addCases(ctx: *TestContext) !void {
case.addError(
\\const E1 = enum { a, b, c, b, d };
\\pub export fn main() c_int {
- \\ const x = E1.a;
+ \\ _ = E1.a;
\\}
, &.{
":1:28: error: duplicate enum tag",
@@ -691,28 +695,28 @@ pub fn addCases(ctx: *TestContext) !void {
case.addError(
\\pub export fn main() c_int {
\\ const a = true;
- \\ const b = @enumToInt(a);
+ \\ _ = @enumToInt(a);
\\}
, &.{
- ":3:26: error: expected enum or tagged union, found bool",
+ ":3:20: error: expected enum or tagged union, found bool",
});
case.addError(
\\pub export fn main() c_int {
\\ const a = 1;
- \\ const b = @intToEnum(bool, a);
+ \\ _ = @intToEnum(bool, a);
\\}
, &.{
- ":3:26: error: expected enum, found bool",
+ ":3:20: error: expected enum, found bool",
});
case.addError(
\\const E = enum { a, b, c };
\\pub export fn main() c_int {
- \\ const b = @intToEnum(E, 3);
+ \\ _ = @intToEnum(E, 3);
\\}
, &.{
- ":3:15: error: enum 'test_case.E' has no tag with value 3",
+ ":3:9: error: enum 'test_case.E' has no tag with value 3",
":1:11: note: enum declared here",
});
@@ -780,10 +784,10 @@ pub fn addCases(ctx: *TestContext) !void {
case.addError(
\\const E = enum { a, b, c };
\\pub export fn main() c_int {
- \\ var x = E.d;
+ \\ _ = E.d;
\\}
, &.{
- ":3:14: error: enum 'test_case.E' has no member named 'd'",
+ ":3:10: error: enum 'test_case.E' has no member named 'd'",
":1:11: note: enum declared here",
});
@@ -791,6 +795,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\const E = enum { a, b, c };
\\pub export fn main() c_int {
\\ var x: E = .d;
+ \\ _ = x;
\\}
, &.{
":3:17: error: enum 'test_case.E' has no field named 'd'",
test/stage2/test.zig
@@ -259,6 +259,7 @@ pub fn addCases(ctx: *TestContext) !void {
case.addCompareOutput(
\\pub fn main() void {
\\ var x: usize = 0;
+ \\ _ = x;
\\ const z = @TypeOf(x, @as(u128, 5));
\\ assert(z == u128);
\\}
@@ -283,9 +284,9 @@ pub fn addCases(ctx: *TestContext) !void {
);
case.addError(
\\pub fn main() void {
- \\ const z = @TypeOf(true, 1);
+ \\ _ = @TypeOf(true, 1);
\\}
- , &[_][]const u8{":2:15: error: incompatible types: 'bool' and 'comptime_int'"});
+ , &[_][]const u8{":2:9: error: incompatible types: 'bool' and 'comptime_int'"});
}
{
@@ -746,6 +747,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ \\ cool thx
\\ \\
\\ ;
+ \\ _ = ignore;
\\ add('ぁ', '\x03');
\\}
\\
@@ -987,6 +989,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ return bar;
\\ }
\\ };
+ \\ _ = S;
\\}
, &.{
":5:20: error: 'bar' not accessible from inner function",
@@ -1072,6 +1075,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ @compileLog(b, 20, f, x);
\\ @compileLog(1000);
\\ var bruh: usize = true;
+ \\ _ = bruh;
\\ unreachable;
\\}
\\export fn other() void {
@@ -1217,6 +1221,7 @@ pub fn addCases(ctx: *TestContext) !void {
case.addError(
\\pub fn main() void {
\\ var x = null;
+ \\ _ = x;
\\}
, &[_][]const u8{
":2:9: error: variable of type '@Type(.Null)' must be const or comptime",
@@ -1456,14 +1461,14 @@ pub fn addCases(ctx: *TestContext) !void {
case.addCompareOutput(
\\pub fn main() void {
\\ const E = error{ A, B, D } || error { A, B, C };
- \\ const a = E.A;
- \\ const b = E.B;
- \\ const c = E.C;
- \\ const d = E.D;
+ \\ E.A catch {};
+ \\ E.B catch {};
+ \\ E.C catch {};
+ \\ E.D catch {};
\\ const E2 = error { X, Y } || @TypeOf(error.Z);
- \\ const x = E2.X;
- \\ const y = E2.Y;
- \\ const z = E2.Z;
+ \\ E2.X catch {};
+ \\ E2.Y catch {};
+ \\ E2.Z catch {};
\\ assert(anyerror || error { Z } == anyerror);
\\}
\\fn assert(b: bool) void {
@@ -1485,6 +1490,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\ [arg1] "{rdi}" (code)
\\ : "rcx", "r11", "memory"
\\ );
+ \\ _ = x;
\\}
, &[_][]const u8{":4:27: error: expected type, found comptime_int"});
}
test/stage2/wasm.zig
@@ -76,6 +76,10 @@ pub fn addCases(ctx: *TestContext) !void {
\\ var i: u32 = 5;
\\ var y: f32 = 42.0;
\\ var x: u32 = 10;
+ \\ if (false) {
+ \\ y;
+ \\ x;
+ \\ }
\\ return i;
\\}
, "5\n");
@@ -84,6 +88,7 @@ pub fn addCases(ctx: *TestContext) !void {
\\pub export fn _start() u32 {
\\ var i: u32 = 5;
\\ var y: f32 = 42.0;
+ \\ _ = y;
\\ var x: u32 = 10;
\\ foo(i, x);
\\ i = x;
@@ -388,6 +393,10 @@ pub fn addCases(ctx: *TestContext) !void {
\\pub export fn _start() i32 {
\\ var number1 = Number.One;
\\ var number2: Number = .Two;
+ \\ if (false) {
+ \\ number1;
+ \\ number2;
+ \\ }
\\ const number3 = @intToEnum(Number, 2);
\\
\\ return @enumToInt(number3);