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ZIR: implement debug text printing for struct_init and friends

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Andrew Kelley 2021-05-03 12:25:20 -07:00
parent 773902e9de
commit aa4e9399db
1 changed files with 75 additions and 6 deletions
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81
src/Zir.zig
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@ -2866,17 +2866,11 @@ const Writer = struct {
.slice_start,
.slice_end,
.slice_sentinel,
.struct_init,
.struct_init_ref,
.struct_init_anon,
.struct_init_anon_ref,
.array_init,
.array_init_anon,
.array_init_ref,
.array_init_anon_ref,
.union_init_ptr,
.field_type,
.field_type_ref,
.cmpxchg_strong,
.cmpxchg_weak,
.shuffle,
@ -2890,6 +2884,17 @@ const Writer = struct {
.builtin_async_call,
=> try self.writePlNode(stream, inst),
.struct_init,
.struct_init_ref,
=> try self.writeStructInit(stream, inst),
.struct_init_anon,
.struct_init_anon_ref,
=> try self.writeStructInitAnon(stream, inst),
.field_type => try self.writeFieldType(stream, inst),
.field_type_ref => try self.writeFieldTypeRef(stream, inst),
.error_set_decl => try self.writePlNodeErrorSetDecl(stream, inst),
.add,
@ -3240,6 +3245,70 @@ const Writer = struct {
try self.writeSrc(stream, inst_data.src());
}
fn writeStructInit(self: *Writer, stream: anytype, inst: Inst.Index) !void {
const inst_data = self.code.instructions.items(.data)[inst].pl_node;
const extra = self.code.extraData(Inst.StructInit, inst_data.payload_index);
var field_i: u32 = 0;
var extra_index = extra.end;
while (field_i < extra.data.fields_len) : (field_i += 1) {
const item = self.code.extraData(Inst.StructInit.Item, extra_index);
extra_index = item.end;
if (field_i != 0) {
try stream.writeAll(", [");
} else {
try stream.writeAll("[");
}
try self.writeInstIndex(stream, item.data.field_type);
try stream.writeAll(", ");
try self.writeInstRef(stream, item.data.init);
try stream.writeAll("]");
}
try stream.writeAll(") ");
try self.writeSrc(stream, inst_data.src());
}
fn writeStructInitAnon(self: *Writer, stream: anytype, inst: Inst.Index) !void {
const inst_data = self.code.instructions.items(.data)[inst].pl_node;
const extra = self.code.extraData(Inst.StructInitAnon, inst_data.payload_index);
var field_i: u32 = 0;
var extra_index = extra.end;
while (field_i < extra.data.fields_len) : (field_i += 1) {
const item = self.code.extraData(Inst.StructInitAnon.Item, extra_index);
extra_index = item.end;
const field_name = self.code.nullTerminatedString(item.data.field_name);
const prefix = if (field_i != 0) ", [" else "[";
try stream.print("{s}[{s}=", .{ prefix, field_name });
try self.writeInstRef(stream, item.data.init);
try stream.writeAll("]");
}
try stream.writeAll(") ");
try self.writeSrc(stream, inst_data.src());
}
fn writeFieldType(self: *Writer, stream: anytype, inst: Inst.Index) !void {
const inst_data = self.code.instructions.items(.data)[inst].pl_node;
const extra = self.code.extraData(Inst.FieldType, inst_data.payload_index).data;
try self.writeInstRef(stream, extra.container_type);
const field_name = self.code.nullTerminatedString(extra.name_start);
try stream.print(", {s}) ", .{field_name});
try self.writeSrc(stream, inst_data.src());
}
fn writeFieldTypeRef(self: *Writer, stream: anytype, inst: Inst.Index) !void {
const inst_data = self.code.instructions.items(.data)[inst].pl_node;
const extra = self.code.extraData(Inst.FieldTypeRef, inst_data.payload_index).data;
try self.writeInstRef(stream, extra.container_type);
try stream.writeAll(", ");
try self.writeInstRef(stream, extra.field_name);
try stream.writeAll(") ");
try self.writeSrc(stream, inst_data.src());
}
fn writePlNodeErrorSetDecl(self: *Writer, stream: anytype, inst: Inst.Index) !void {
const inst_data = self.code.instructions.items(.data)[inst].pl_node;
const extra = self.code.extraData(Inst.ErrorSetDecl, inst_data.payload_index);