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stage2: fix unwrap function call with optional pointer return value

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This commit is contained in:
Andrew Kelley
2021-11-24 22:27:40 -07:00
parent a130eac785
commit b560f46c87
7 changed files with 91 additions and 26 deletions
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56
src/codegen.zig
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@@ -286,6 +286,62 @@ pub fn generateSymbol(
}
return Result{ .appended = {} };
},
.Enum => {
// TODO populate .debug_info for the enum
var int_buffer: Value.Payload.U64 = undefined;
const int_val = typed_value.enumToInt(&int_buffer);
const target = bin_file.options.target;
const info = typed_value.ty.intInfo(target);
if (info.bits <= 8) {
const x = @intCast(u8, int_val.toUnsignedInt());
try code.append(x);
return Result{ .appended = {} };
}
if (info.bits > 64) {
return Result{
.fail = try ErrorMsg.create(
bin_file.allocator,
src_loc,
"TODO implement generateSymbol for big int enums ('{}')",
.{typed_value.ty},
),
};
}
const endian = target.cpu.arch.endian();
switch (info.signedness) {
.unsigned => {
if (info.bits <= 16) {
const x = @intCast(u16, int_val.toUnsignedInt());
mem.writeInt(u16, try code.addManyAsArray(2), x, endian);
} else if (info.bits <= 32) {
const x = @intCast(u32, int_val.toUnsignedInt());
mem.writeInt(u32, try code.addManyAsArray(4), x, endian);
} else {
const x = int_val.toUnsignedInt();
mem.writeInt(u64, try code.addManyAsArray(8), x, endian);
}
},
.signed => {
if (info.bits <= 16) {
const x = @intCast(i16, int_val.toSignedInt());
mem.writeInt(i16, try code.addManyAsArray(2), x, endian);
} else if (info.bits <= 32) {
const x = @intCast(i32, int_val.toSignedInt());
mem.writeInt(i32, try code.addManyAsArray(4), x, endian);
} else {
const x = int_val.toSignedInt();
mem.writeInt(i64, try code.addManyAsArray(8), x, endian);
}
},
}
return Result{ .appended = {} };
},
.Bool => {
const x: u8 = @boolToInt(typed_value.val.toBool());
try code.append(x);
return Result{ .appended = {} };
},
.Struct => {
const field_vals = typed_value.val.castTag(.@"struct").?.data;
_ = field_vals; // TODO write the fields for real