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Sema: implement try_inline

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Andrew Kelley 2022-06-02 19:05:53 -07:00 committed by Jakub Konka
parent ef885a78d6
commit 00720c52f6
1 changed files with 59 additions and 3 deletions
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62
src/Sema.zig
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@ -1324,10 +1324,66 @@ fn analyzeBodyInner(
},
.@"try" => blk: {
if (!block.is_comptime) break :blk try sema.zirTry(block, inst);
@panic("TODO");
const inst_data = sema.code.instructions.items(.data)[inst].pl_node;
const src = inst_data.src();
const operand_src: LazySrcLoc = .{ .node_offset_bin_lhs = inst_data.src_node };
const extra = sema.code.extraData(Zir.Inst.Try, inst_data.payload_index);
const inline_body = sema.code.extra[extra.end..][0..extra.data.body_len];
const operand = try sema.resolveInst(extra.data.operand);
const operand_ty = sema.typeOf(operand);
const is_ptr = operand_ty.zigTypeTag() == .Pointer;
const err_union = if (is_ptr)
try sema.analyzeLoad(block, src, operand, operand_src)
else
operand;
const is_non_err = try sema.analyzeIsNonErr(block, operand_src, err_union);
const is_non_err_tv = try sema.resolveInstConst(block, operand_src, is_non_err);
if (is_non_err_tv.val.toBool()) {
if (is_ptr) {
break :blk try sema.analyzeErrUnionPayloadPtr(block, src, operand, false, false);
} else {
const err_union_ty = sema.typeOf(err_union);
break :blk try sema.analyzeErrUnionPayload(block, src, err_union_ty, operand, operand_src, false);
}
}
const break_data = (try sema.analyzeBodyBreak(block, inline_body)) orelse
break always_noreturn;
if (inst == break_data.block_inst) {
break :blk try sema.resolveInst(break_data.operand);
} else {
break break_data.inst;
}
},
.try_inline => {
@panic("TODO");
.try_inline => blk: {
const inst_data = sema.code.instructions.items(.data)[inst].pl_node;
const src = inst_data.src();
const operand_src: LazySrcLoc = .{ .node_offset_bin_lhs = inst_data.src_node };
const extra = sema.code.extraData(Zir.Inst.Try, inst_data.payload_index);
const inline_body = sema.code.extra[extra.end..][0..extra.data.body_len];
const operand = try sema.resolveInst(extra.data.operand);
const operand_ty = sema.typeOf(operand);
const is_ptr = operand_ty.zigTypeTag() == .Pointer;
const err_union = if (is_ptr)
try sema.analyzeLoad(block, src, operand, operand_src)
else
operand;
const is_non_err = try sema.analyzeIsNonErr(block, operand_src, err_union);
const is_non_err_tv = try sema.resolveInstConst(block, operand_src, is_non_err);
if (is_non_err_tv.val.toBool()) {
if (is_ptr) {
break :blk try sema.analyzeErrUnionPayloadPtr(block, src, operand, false, false);
} else {
const err_union_ty = sema.typeOf(err_union);
break :blk try sema.analyzeErrUnionPayload(block, src, err_union_ty, operand, operand_src, false);
}
}
const break_data = (try sema.analyzeBodyBreak(block, inline_body)) orelse
break always_noreturn;
if (inst == break_data.block_inst) {
break :blk try sema.resolveInst(break_data.operand);
} else {
break break_data.inst;
}
},
};
if (sema.typeOf(air_inst).isNoReturn())