mirror of
https://github.com/ziglang/zig.git
synced 2026-02-15 05:48:31 +00:00
stage2: enum literals
This commit is contained in:
Vexu
parent
31d8efc6b3
commit
e0b01bd4a9
@ -130,6 +130,7 @@ pub fn expr(mod: *Module, scope: *Scope, rl: ResultLoc, node: *ast.Node) InnerEr
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.GroupedExpression => return expr(mod, scope, rl, node.castTag(.GroupedExpression).?.expr),
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.ArrayType => return rlWrap(mod, scope, rl, try arrayType(mod, scope, node.castTag(.ArrayType).?)),
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.ArrayTypeSentinel => return rlWrap(mod, scope, rl, try arrayTypeSentinel(mod, scope, node.castTag(.ArrayTypeSentinel).?)),
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.EnumLiteral => return rlWrap(mod, scope, rl, try enumLiteral(mod, scope, node.castTag(.EnumLiteral).?)),
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.Defer => return mod.failNode(scope, node, "TODO implement astgen.expr for .Defer", .{}),
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.Catch => return mod.failNode(scope, node, "TODO implement astgen.expr for .Catch", .{}),
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@ -158,7 +159,6 @@ pub fn expr(mod: *Module, scope: *Scope, rl: ResultLoc, node: *ast.Node) InnerEr
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.ErrorType => return mod.failNode(scope, node, "TODO implement astgen.expr for .ErrorType", .{}),
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.FnProto => return mod.failNode(scope, node, "TODO implement astgen.expr for .FnProto", .{}),
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.AnyFrameType => return mod.failNode(scope, node, "TODO implement astgen.expr for .AnyFrameType", .{}),
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.EnumLiteral => return mod.failNode(scope, node, "TODO implement astgen.expr for .EnumLiteral", .{}),
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.MultilineStringLiteral => return mod.failNode(scope, node, "TODO implement astgen.expr for .MultilineStringLiteral", .{}),
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.CharLiteral => return mod.failNode(scope, node, "TODO implement astgen.expr for .CharLiteral", .{}),
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.ErrorSetDecl => return mod.failNode(scope, node, "TODO implement astgen.expr for .ErrorSetDecl", .{}),
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@ -527,6 +527,14 @@ fn arrayTypeSentinel(mod: *Module, scope: *Scope, node: *ast.Node.ArrayTypeSenti
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}, .{});
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}
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fn enumLiteral(mod: *Module, scope: *Scope, node: *ast.Node.EnumLiteral) !*zir.Inst {
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const tree = scope.tree();
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const src = tree.token_locs[node.name].start;
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const name = try identifierTokenString(mod, scope, node.name);
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return addZIRInst(mod, scope, src, zir.Inst.EnumLiteral, .{ .name = name }, .{});
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}
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fn unwrapOptional(mod: *Module, scope: *Scope, rl: ResultLoc, node: *ast.Node.SimpleSuffixOp) InnerError!*zir.Inst {
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const tree = scope.tree();
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const src = tree.token_locs[node.rtoken].start;
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@ -75,6 +75,7 @@ pub const Type = extern union {
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.optional_single_const_pointer,
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.optional_single_mut_pointer,
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=> return .Optional,
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.enum_literal => return .EnumLiteral,
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}
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}
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@ -127,6 +128,7 @@ pub const Type = extern union {
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if (zig_tag_a != zig_tag_b)
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return false;
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switch (zig_tag_a) {
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.EnumLiteral => return true,
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.Type => return true,
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.Void => return true,
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.Bool => return true,
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@ -211,7 +213,6 @@ pub const Type = extern union {
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.Frame,
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.AnyFrame,
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.Vector,
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.EnumLiteral,
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=> std.debug.panic("TODO implement Type equality comparison of {} and {}", .{ a, b }),
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}
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}
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@ -327,6 +328,7 @@ pub const Type = extern union {
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.fn_ccc_void_no_args,
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.single_const_pointer_to_comptime_int,
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.const_slice_u8,
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.enum_literal,
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=> unreachable,
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.array_u8_sentinel_0 => return self.copyPayloadShallow(allocator, Payload.Array_u8_Sentinel0),
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@ -437,6 +439,7 @@ pub const Type = extern union {
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.noreturn,
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=> return out_stream.writeAll(@tagName(t)),
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.enum_literal => return out_stream.writeAll("@TypeOf(.EnumLiteral)"),
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.@"null" => return out_stream.writeAll("@TypeOf(null)"),
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.@"undefined" => return out_stream.writeAll("@TypeOf(undefined)"),
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@ -561,6 +564,7 @@ pub const Type = extern union {
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.fn_ccc_void_no_args => return Value.initTag(.fn_ccc_void_no_args_type),
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.single_const_pointer_to_comptime_int => return Value.initTag(.single_const_pointer_to_comptime_int_type),
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.const_slice_u8 => return Value.initTag(.const_slice_u8_type),
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.enum_literal => return Value.initTag(.enum_literal_type),
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else => {
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const ty_payload = try allocator.create(Value.Payload.Ty);
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ty_payload.* = .{ .ty = self };
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@ -625,6 +629,7 @@ pub const Type = extern union {
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.noreturn,
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.@"null",
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.@"undefined",
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.enum_literal,
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=> false,
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};
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}
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@ -716,6 +721,7 @@ pub const Type = extern union {
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.noreturn,
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.@"null",
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.@"undefined",
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.enum_literal,
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=> unreachable,
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};
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}
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@ -736,6 +742,7 @@ pub const Type = extern union {
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.noreturn => unreachable,
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.@"null" => unreachable,
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.@"undefined" => unreachable,
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.enum_literal => unreachable,
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.u8,
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.i8,
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@ -863,6 +870,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> false,
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.single_const_pointer,
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@ -924,6 +932,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> false,
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.const_slice_u8 => true,
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@ -980,6 +989,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> false,
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.single_const_pointer,
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@ -1042,6 +1052,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> false,
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};
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}
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@ -1147,6 +1158,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_const_pointer,
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.optional_single_mut_pointer,
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.enum_literal,
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=> unreachable,
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.array => self.cast(Payload.Array).?.elem_type,
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@ -1252,6 +1264,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> unreachable,
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.array => self.cast(Payload.Array).?.len,
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@ -1311,6 +1324,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> unreachable,
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.array, .array_u8 => return null,
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@ -1368,6 +1382,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> false,
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.int_signed,
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@ -1428,6 +1443,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> false,
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.int_unsigned,
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@ -1478,6 +1494,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> unreachable,
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.int_unsigned => .{ .signed = false, .bits = self.cast(Payload.IntUnsigned).?.bits },
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@ -1546,6 +1563,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> false,
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.usize,
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@ -1643,6 +1661,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> unreachable,
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};
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}
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@ -1706,6 +1725,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> unreachable,
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}
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}
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@ -1768,6 +1788,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> unreachable,
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}
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}
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@ -1830,6 +1851,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> unreachable,
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};
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}
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@ -1889,6 +1911,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> unreachable,
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};
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}
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@ -1948,6 +1971,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> unreachable,
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};
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}
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@ -2007,6 +2031,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> false,
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};
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}
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@ -2055,6 +2080,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> return null,
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.void => return Value.initTag(.void_value),
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@ -2143,6 +2169,7 @@ pub const Type = extern union {
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.optional,
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.optional_single_mut_pointer,
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.optional_single_const_pointer,
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.enum_literal,
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=> return false,
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};
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}
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@ -2186,6 +2213,7 @@ pub const Type = extern union {
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comptime_int,
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comptime_float,
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noreturn,
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enum_literal,
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@"null",
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@"undefined",
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fn_noreturn_no_args,
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@ -60,6 +60,7 @@ pub const Value = extern union {
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fn_ccc_void_no_args_type,
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single_const_pointer_to_comptime_int_type,
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const_slice_u8_type,
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enum_literal_type,
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undef,
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zero,
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@ -87,6 +88,7 @@ pub const Value = extern union {
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float_32,
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float_64,
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float_128,
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enum_literal,
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pub const last_no_payload_tag = Tag.bool_false;
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pub const no_payload_count = @enumToInt(last_no_payload_tag) + 1;
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@ -164,6 +166,7 @@ pub const Value = extern union {
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.fn_ccc_void_no_args_type,
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.single_const_pointer_to_comptime_int_type,
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.const_slice_u8_type,
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.enum_literal_type,
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.undef,
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.zero,
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.void_value,
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@ -213,7 +216,7 @@ pub const Value = extern union {
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};
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return Value{ .ptr_otherwise = &new_payload.base };
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},
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.bytes => return self.copyPayloadShallow(allocator, Payload.Bytes),
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.enum_literal, .bytes => return self.copyPayloadShallow(allocator, Payload.Bytes),
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.repeated => {
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const payload = @fieldParentPtr(Payload.Repeated, "base", self.ptr_otherwise);
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const new_payload = try allocator.create(Payload.Repeated);
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@ -285,6 +288,7 @@ pub const Value = extern union {
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.fn_ccc_void_no_args_type => return out_stream.writeAll("fn() callconv(.C) void"),
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.single_const_pointer_to_comptime_int_type => return out_stream.writeAll("*const comptime_int"),
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.const_slice_u8_type => return out_stream.writeAll("[]const u8"),
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.enum_literal_type => return out_stream.writeAll("@TypeOf(.EnumLiteral)"),
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.null_value => return out_stream.writeAll("null"),
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.undef => return out_stream.writeAll("undefined"),
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@ -318,7 +322,7 @@ pub const Value = extern union {
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val = elem_ptr.array_ptr;
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},
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.empty_array => return out_stream.writeAll(".{}"),
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.bytes => return std.zig.renderStringLiteral(self.cast(Payload.Bytes).?.data, out_stream),
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.enum_literal, .bytes => return std.zig.renderStringLiteral(self.cast(Payload.Bytes).?.data, out_stream),
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.repeated => {
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try out_stream.writeAll("(repeated) ");
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val = val.cast(Payload.Repeated).?.val;
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@ -391,6 +395,7 @@ pub const Value = extern union {
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.fn_ccc_void_no_args_type => Type.initTag(.fn_ccc_void_no_args),
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.single_const_pointer_to_comptime_int_type => Type.initTag(.single_const_pointer_to_comptime_int),
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.const_slice_u8_type => Type.initTag(.const_slice_u8),
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.enum_literal_type => Type.initTag(.enum_literal),
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.undef,
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.zero,
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@ -414,6 +419,7 @@ pub const Value = extern union {
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.float_32,
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.float_64,
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.float_128,
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.enum_literal,
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=> unreachable,
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};
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}
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@ -462,6 +468,7 @@ pub const Value = extern union {
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.fn_ccc_void_no_args_type,
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.single_const_pointer_to_comptime_int_type,
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.const_slice_u8_type,
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.enum_literal_type,
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.null_value,
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.function,
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.ref_val,
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@ -476,6 +483,7 @@ pub const Value = extern union {
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.void_value,
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.unreachable_value,
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.empty_array,
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.enum_literal,
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=> unreachable,
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.undef => unreachable,
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@ -537,6 +545,7 @@ pub const Value = extern union {
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.fn_ccc_void_no_args_type,
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.single_const_pointer_to_comptime_int_type,
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.const_slice_u8_type,
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.enum_literal_type,
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.null_value,
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.function,
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.ref_val,
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@ -551,6 +560,7 @@ pub const Value = extern union {
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.void_value,
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.unreachable_value,
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.empty_array,
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.enum_literal,
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=> unreachable,
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.undef => unreachable,
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@ -612,6 +622,7 @@ pub const Value = extern union {
|
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.fn_ccc_void_no_args_type,
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.single_const_pointer_to_comptime_int_type,
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.const_slice_u8_type,
|
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.enum_literal_type,
|
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.null_value,
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.function,
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.ref_val,
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@ -626,6 +637,7 @@ pub const Value = extern union {
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.void_value,
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.unreachable_value,
|
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.empty_array,
|
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.enum_literal,
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=> unreachable,
|
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|
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.undef => unreachable,
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@ -713,6 +725,7 @@ pub const Value = extern union {
|
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.fn_ccc_void_no_args_type,
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.single_const_pointer_to_comptime_int_type,
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.const_slice_u8_type,
|
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.enum_literal_type,
|
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.null_value,
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.function,
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.ref_val,
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@ -728,6 +741,7 @@ pub const Value = extern union {
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.void_value,
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.unreachable_value,
|
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.empty_array,
|
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.enum_literal,
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=> unreachable,
|
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|
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.zero,
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@ -793,6 +807,7 @@ pub const Value = extern union {
|
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.fn_ccc_void_no_args_type,
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.single_const_pointer_to_comptime_int_type,
|
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.const_slice_u8_type,
|
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.enum_literal_type,
|
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.null_value,
|
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.function,
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.ref_val,
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@ -807,6 +822,7 @@ pub const Value = extern union {
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.void_value,
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.unreachable_value,
|
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.empty_array,
|
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.enum_literal,
|
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=> unreachable,
|
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|
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.zero,
|
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@ -953,6 +969,7 @@ pub const Value = extern union {
|
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.fn_ccc_void_no_args_type,
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.single_const_pointer_to_comptime_int_type,
|
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.const_slice_u8_type,
|
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.enum_literal_type,
|
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.bool_true,
|
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.bool_false,
|
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.null_value,
|
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@ -970,6 +987,7 @@ pub const Value = extern union {
|
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.empty_array,
|
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.void_value,
|
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.unreachable_value,
|
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.enum_literal,
|
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=> unreachable,
|
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|
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.zero => false,
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@ -1025,6 +1043,7 @@ pub const Value = extern union {
|
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.fn_ccc_void_no_args_type,
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.single_const_pointer_to_comptime_int_type,
|
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.const_slice_u8_type,
|
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.enum_literal_type,
|
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.null_value,
|
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.function,
|
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.ref_val,
|
||||
@ -1036,6 +1055,7 @@ pub const Value = extern union {
|
||||
.void_value,
|
||||
.unreachable_value,
|
||||
.empty_array,
|
||||
.enum_literal,
|
||||
=> unreachable,
|
||||
|
||||
.zero,
|
||||
@ -1102,6 +1122,11 @@ pub const Value = extern union {
|
||||
}
|
||||
|
||||
pub fn eql(a: Value, b: Value) bool {
|
||||
if (a.tag() == b.tag() and a.tag() == .enum_literal) {
|
||||
const a_name = @fieldParentPtr(Payload.Bytes, "base", a.ptr_otherwise).data;
|
||||
const b_name = @fieldParentPtr(Payload.Bytes, "base", b.ptr_otherwise).data;
|
||||
return std.mem.eql(u8, a_name, b_name);
|
||||
}
|
||||
// TODO non numerical comparisons
|
||||
return compare(a, .eq, b);
|
||||
}
|
||||
@ -1151,6 +1176,7 @@ pub const Value = extern union {
|
||||
.fn_ccc_void_no_args_type,
|
||||
.single_const_pointer_to_comptime_int_type,
|
||||
.const_slice_u8_type,
|
||||
.enum_literal_type,
|
||||
.zero,
|
||||
.bool_true,
|
||||
.bool_false,
|
||||
@ -1170,6 +1196,7 @@ pub const Value = extern union {
|
||||
.void_value,
|
||||
.unreachable_value,
|
||||
.empty_array,
|
||||
.enum_literal,
|
||||
=> unreachable,
|
||||
|
||||
.ref_val => self.cast(Payload.RefVal).?.val,
|
||||
@ -1227,6 +1254,7 @@ pub const Value = extern union {
|
||||
.fn_ccc_void_no_args_type,
|
||||
.single_const_pointer_to_comptime_int_type,
|
||||
.const_slice_u8_type,
|
||||
.enum_literal_type,
|
||||
.zero,
|
||||
.bool_true,
|
||||
.bool_false,
|
||||
@ -1246,6 +1274,7 @@ pub const Value = extern union {
|
||||
.float_128,
|
||||
.void_value,
|
||||
.unreachable_value,
|
||||
.enum_literal,
|
||||
=> unreachable,
|
||||
|
||||
.empty_array => unreachable, // out of bounds array index
|
||||
@ -1320,6 +1349,7 @@ pub const Value = extern union {
|
||||
.fn_ccc_void_no_args_type,
|
||||
.single_const_pointer_to_comptime_int_type,
|
||||
.const_slice_u8_type,
|
||||
.enum_literal_type,
|
||||
.zero,
|
||||
.empty_array,
|
||||
.bool_true,
|
||||
@ -1339,6 +1369,7 @@ pub const Value = extern union {
|
||||
.float_64,
|
||||
.float_128,
|
||||
.void_value,
|
||||
.enum_literal,
|
||||
=> false,
|
||||
|
||||
.undef => unreachable,
|
||||
|
||||
@ -231,6 +231,8 @@ pub const Inst = struct {
|
||||
unwrap_err_unsafe,
|
||||
/// Takes a *E!T and raises a compiler error if T != void
|
||||
ensure_err_payload_void,
|
||||
/// Enum literal
|
||||
enum_literal,
|
||||
|
||||
pub fn Type(tag: Tag) type {
|
||||
return switch (tag) {
|
||||
@ -326,6 +328,7 @@ pub const Inst = struct {
|
||||
.elemptr => ElemPtr,
|
||||
.condbr => CondBr,
|
||||
.ptr_type => PtrType,
|
||||
.enum_literal => EnumLiteral,
|
||||
};
|
||||
}
|
||||
|
||||
@ -410,6 +413,7 @@ pub const Inst = struct {
|
||||
.unwrap_err_unsafe,
|
||||
.ptr_type,
|
||||
.ensure_err_payload_void,
|
||||
.enum_literal,
|
||||
=> false,
|
||||
|
||||
.@"break",
|
||||
@ -869,6 +873,16 @@ pub const Inst = struct {
|
||||
},
|
||||
kw_args: struct {},
|
||||
};
|
||||
|
||||
pub const EnumLiteral = struct {
|
||||
pub const base_tag = Tag.enum_literal;
|
||||
base: Inst,
|
||||
|
||||
positionals: struct {
|
||||
name: []const u8,
|
||||
},
|
||||
kw_args: struct {},
|
||||
};
|
||||
};
|
||||
|
||||
pub const ErrorMsg = struct {
|
||||
|
||||
@ -115,6 +115,7 @@ pub fn analyzeInst(mod: *Module, scope: *Scope, old_inst: *zir.Inst) InnerError!
|
||||
.ensure_err_payload_void => return analyzeInstEnsureErrPayloadVoid(mod, scope, old_inst.castTag(.ensure_err_payload_void).?),
|
||||
.array_type => return analyzeInstArrayType(mod, scope, old_inst.castTag(.array_type).?),
|
||||
.array_type_sentinel => return analyzeInstArrayTypeSentinel(mod, scope, old_inst.castTag(.array_type_sentinel).?),
|
||||
.enum_literal => return analyzeInstEnumLiteral(mod, scope, old_inst.castTag(.enum_literal).?),
|
||||
}
|
||||
}
|
||||
|
||||
@ -701,6 +702,18 @@ fn analyzeInstArrayTypeSentinel(mod: *Module, scope: *Scope, array: *zir.Inst.Ar
|
||||
return mod.constType(scope, array.base.src, try mod.arrayType(scope, len.val.toUnsignedInt(), sentinel.val, elem_type));
|
||||
}
|
||||
|
||||
fn analyzeInstEnumLiteral(mod: *Module, scope: *Scope, inst: *zir.Inst.EnumLiteral) InnerError!*Inst {
|
||||
const payload = try scope.arena().create(Value.Payload.Bytes);
|
||||
payload.* = .{
|
||||
.base = .{ .tag = .enum_literal },
|
||||
.data = try scope.arena().dupe(u8, inst.positionals.name),
|
||||
};
|
||||
return mod.constInst(scope, inst.base.src, .{
|
||||
.ty = Type.initTag(.enum_literal),
|
||||
.val = Value.initPayload(&payload.base),
|
||||
});
|
||||
}
|
||||
|
||||
fn analyzeInstUnwrapOptional(mod: *Module, scope: *Scope, unwrap: *zir.Inst.UnOp, safety_check: bool) InnerError!*Inst {
|
||||
const operand = try resolveInst(mod, scope, unwrap.positionals.operand);
|
||||
assert(operand.ty.zigTypeTag() == .Pointer);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user