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Debug info - Implement more instructions:

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- bin_op
- un_op
- block
- struct_field_ptr
- br
- condbr

Also updates constant to write the actual Type, rather than the enum tag of the `Ref`.
This commit is contained in:
Luuk de Gram 2021-07-18 16:53:21 +02:00 committed by Andrew Kelley
parent 44fe9c52e1
commit 480242b78a
1 changed files with 51 additions and 23 deletions
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74
src/print_air.zig
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@ -182,21 +182,22 @@ const Writer = struct {
}
fn writeBinOp(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
_ = w;
_ = inst;
try s.writeAll("TODO");
const bin_op = w.air.instructions.items(.data)[inst].bin_op;
try w.writeInstRef(s, bin_op.lhs);
try s.writeAll(", ");
try w.writeInstRef(s, bin_op.rhs);
}
fn writeUnOp(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
_ = w;
_ = inst;
try s.writeAll("TODO");
const un_op = w.air.instructions.items(.data)[inst].un_op;
try w.writeInstRef(s, un_op);
}
fn writeNoOp(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
_ = w;
_ = inst;
try s.writeAll("TODO");
_ = s;
// no-op, no argument to write
}
fn writeTy(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
@ -205,21 +206,31 @@ const Writer = struct {
}
fn writeTyOp(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
_ = w;
_ = inst;
try s.writeAll("TODO");
const ty_op = w.air.instructions.items(.data)[inst].ty_op;
try s.print("{}, ", .{w.air.getRefType(ty_op.ty)});
try w.writeInstRef(s, ty_op.operand);
}
fn writeBlock(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
_ = w;
_ = inst;
try s.writeAll("TODO");
const ty_pl = w.air.instructions.items(.data)[inst].ty_pl;
const extra = w.air.extraData(Air.Block, ty_pl.payload);
const body = w.air.extra[extra.end..][0..extra.data.body_len];
try s.writeAll("{\n");
const old_indent = w.indent;
w.indent += 2;
try w.writeBody(s, body);
w.indent = old_indent;
try s.writeByteNTimes(' ', w.indent);
try s.writeAll("}");
}
fn writeStructFieldPtr(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
_ = w;
_ = inst;
try s.writeAll("TODO");
const ty_pl = w.air.instructions.items(.data)[inst].ty_pl;
const extra = w.air.extraData(Air.StructField, ty_pl.payload);
try w.writeInstRef(s, extra.data.struct_ptr);
try s.print(", {d}", .{extra.data.field_index});
}
fn writeVarPtr(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
@ -231,7 +242,7 @@ const Writer = struct {
fn writeConstant(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
const ty_pl = w.air.instructions.items(.data)[inst].ty_pl;
const val = w.air.values[ty_pl.payload];
try s.print("{}, {}", .{ ty_pl.ty, val });
try s.print("{}, {}", .{ w.air.getRefType(ty_pl.ty), val });
}
fn writeAssembly(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
@ -259,15 +270,32 @@ const Writer = struct {
}
fn writeBr(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
_ = w;
_ = inst;
try s.writeAll("TODO");
const br = w.air.instructions.items(.data)[inst].br;
try w.writeInstIndex(s, br.block_inst);
try s.writeAll(", ");
try w.writeInstRef(s, br.operand);
}
fn writeCondBr(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {
_ = w;
_ = inst;
try s.writeAll("TODO");
const pl_op = w.air.instructions.items(.data)[inst].pl_op;
const extra = w.air.extraData(Air.CondBr, pl_op.payload);
const then_body = w.air.extra[extra.end..][0..extra.data.then_body_len];
const else_body = w.air.extra[extra.end + then_body.len ..][0..extra.data.else_body_len];
try w.writeInstRef(s, pl_op.operand);
try s.writeAll(", {\n");
const old_indent = w.indent;
w.indent += 2;
try w.writeBody(s, then_body);
try s.writeByteNTimes(' ', old_indent);
try s.writeAll("}, {\n");
try w.writeBody(s, else_body);
w.indent = old_indent;
try s.writeByteNTimes(' ', old_indent);
try s.writeAll("}");
}
fn writeSwitchBr(w: *Writer, s: anytype, inst: Air.Inst.Index) @TypeOf(s).Error!void {