| author |  Andrew Kelley <andrew@ziglang.org> 2021-04-23 20:31:12-07:00 |
| committer | Andrew Kelley <andrew@ziglang.org> 2021-04-23 20:31:12-07:00 |
| log | 49be88859d3cef22c5cc27c908264a235c78a4d0 |
| tree | 3913a10c923c72dafa3f8914cd4d47c1e0795e87 |
| parent | 9a271347fe1e302c132fa63bbe27bfffcf3b132d |
AstGen: implement nosuspend expressions
Also implement ZIR error notes3 files changed, 53 insertions(+), 3 deletions(-)
BRANCH_TODO+3
| ... | ... | @@ -37,6 +37,9 @@ |
| 37 | 37 | * when handling decls, catch the error and continue, so that |
| 38 | 38 | AstGen can report more than one compile error. |
| 39 | 39 | |
| 40 | * AstGen: inside a nosuspend block, emit function calls as nosuspend calls | |
| 41 | * AstGen: add result location pointers to function calls | |
| 42 | ||
| 40 | 43 | const container_name_hash: Scope.NameHash = if (found_pkg) |pkg| |
| 41 | 44 | pkg.namespace_hash |
| 42 | 45 | else |
src/AstGen.zig+19-1
| ... | ... | @@ -890,7 +890,25 @@ pub fn nosuspendExpr( |
| 890 | 890 | node: ast.Node.Index, |
| 891 | 891 | ) InnerError!Zir.Inst.Ref { |
| 892 | 892 | const astgen = gz.astgen; |
| 893 | return astgen.failNode(node, "TODO AstGen nosuspendExpr", .{}); | |
| 893 | const gpa = astgen.gpa; | |
| 894 | const tree = &astgen.file.tree; | |
| 895 | const node_datas = tree.nodes.items(.data); | |
| 896 | const body_node = node_datas[node].lhs; | |
| 897 | assert(body_node != 0); | |
| 898 | if (gz.nosuspend_node != 0) { | |
| 899 | return astgen.failNodeNotes(node, "redundant nosuspend block", .{}, &[_]u32{ | |
| 900 | try astgen.errNoteNode(gz.nosuspend_node, "other nosuspend block here", .{}), | |
| 901 | }); | |
| 902 | } | |
| 903 | if (gz.suspend_node != 0) { | |
| 904 | return astgen.failNodeNotes(node, "inside a suspend block, nosuspend is implied", .{}, &[_]u32{ | |
| 905 | try astgen.errNoteNode(gz.suspend_node, "suspend block here", .{}), | |
| 906 | }); | |
| 907 | } | |
| 908 | gz.nosuspend_node = node; | |
| 909 | const result = try expr(gz, scope, rl, body_node); | |
| 910 | gz.nosuspend_node = 0; | |
| 911 | return rvalue(gz, scope, rl, result, node); | |
| 894 | 912 | } |
| 895 | 913 | |
| 896 | 914 | pub fn suspendExpr( |
src/Compilation.zig+31-2
| ... | ... | @@ -441,8 +441,37 @@ pub const AllErrors = struct { |
| 441 | 441 | const item = file.zir.extraData(Zir.Inst.CompileErrors.Item, extra_index); |
| 442 | 442 | extra_index = item.end; |
| 443 | 443 | |
| 444 | var notes: []Message = &[0]Message{}; | |
| 444 | 445 | if (item.data.notes != 0) { |
| 445 | @panic("TODO implement AllErrors for Zir notes"); | |
| 446 | const block = file.zir.extraData(Zir.Inst.Block, item.data.notes); | |
| 447 | const body = file.zir.extra[block.end..][0..block.data.body_len]; | |
| 448 | notes = try arena.alloc(Message, body.len); | |
| 449 | for (notes) |*note, i| { | |
| 450 | const note_item = file.zir.extraData(Zir.Inst.CompileErrors.Item, body[i]); | |
| 451 | const msg = file.zir.nullTerminatedString(note_item.data.msg); | |
| 452 | const byte_offset = blk: { | |
| 453 | const token_starts = file.tree.tokens.items(.start); | |
| 454 | if (note_item.data.node != 0) { | |
| 455 | const main_tokens = file.tree.nodes.items(.main_token); | |
| 456 | const main_token = main_tokens[note_item.data.node]; | |
| 457 | break :blk token_starts[main_token]; | |
| 458 | } | |
| 459 | break :blk token_starts[note_item.data.token] + note_item.data.byte_offset; | |
| 460 | }; | |
| 461 | const loc = std.zig.findLineColumn(source, byte_offset); | |
| 462 | ||
| 463 | note.* = .{ | |
| 464 | .src = .{ | |
| 465 | .src_path = try arena.dupe(u8, file.sub_file_path), | |
| 466 | .msg = try arena.dupe(u8, msg), | |
| 467 | .byte_offset = byte_offset, | |
| 468 | .line = @intCast(u32, loc.line), | |
| 469 | .column = @intCast(u32, loc.column), | |
| 470 | .notes = &.{}, // TODO rework this function to be recursive | |
| 471 | .source_line = try arena.dupe(u8, loc.source_line), | |
| 472 | }, | |
| 473 | }; | |
| 474 | } | |
| 446 | 475 | } |
| 447 | 476 | |
| 448 | 477 | const msg = file.zir.nullTerminatedString(item.data.msg); |
| ... | ... | @@ -464,7 +493,7 @@ pub const AllErrors = struct { |
| 464 | 493 | .byte_offset = byte_offset, |
| 465 | 494 | .line = @intCast(u32, loc.line), |
| 466 | 495 | .column = @intCast(u32, loc.column), |
| 467 | .notes = &.{}, // TODO | |
| 496 | .notes = notes, | |
| 468 | 497 | .source_line = try arena.dupe(u8, loc.source_line), |
| 469 | 498 | }, |
| 470 | 499 | }); |