mirror of
https://codeberg.org/ziglang/zig.git
synced 2026-04-27 19:09:47 +03:00
Matthew Lugg
0978566db8
My changes to how incremental compilation handles container types mean that, at least for now, it is possible for the ZIR `.main_struct_inst` of a source file to be lost (this happens if the number of top-level fields in a file changes for instance). I missed a few things which needed changing to account for this, which could lead to crashes with certain (trivial) changes---oops! Adds two new incremental test cases. They are currently disabled for wasm32-wasi-selfhosted because they both trigger a crash in the WASM backend.
102 lines
3.4 KiB
Plaintext
102 lines
3.4 KiB
Plaintext
#target=x86_64-linux-selfhosted
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#target=x86_64-windows-selfhosted
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#target=x86_64-linux-cbe
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#target=x86_64-windows-cbe
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//#target=wasm32-wasi-selfhosted
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#update=initial version
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#file=main.zig
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const S = @This();
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x: u8,
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pub fn main(init: std.process.Init) !void {
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var stdout_writer = std.Io.File.stdout().writerStreaming(init.io, &.{});
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printFieldCount(&stdout_writer.interface) catch |err| switch (err) {
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error.WriteFailed => return stdout_writer.err.?,
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};
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printOneField(&stdout_writer.interface) catch |err| switch (err) {
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error.WriteFailed => return stdout_writer.err.?,
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};
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}
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fn printFieldCount(w: *Writer) Writer.Error!void {
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try w.print("{d} ", .{@typeInfo(S).@"struct".fields.len});
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}
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fn printOneField(w: *Writer) Writer.Error!void {
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const val: S = .{ .x = 100 };
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try w.print("{d}\n", .{val.x});
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}
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const std = @import("std");
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const Writer = std.Io.Writer;
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#expect_stdout="1 100\n"
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#update=add a field
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#file=main.zig
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const S = @This();
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x: u8,
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y: u16 = 200,
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pub fn main(init: std.process.Init) !void {
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var stdout_writer = std.Io.File.stdout().writerStreaming(init.io, &.{});
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printFieldCount(&stdout_writer.interface) catch |err| switch (err) {
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error.WriteFailed => return stdout_writer.err.?,
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};
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printOneField(&stdout_writer.interface) catch |err| switch (err) {
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error.WriteFailed => return stdout_writer.err.?,
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};
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}
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fn printFieldCount(w: *Writer) Writer.Error!void {
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try w.print("{d} ", .{@typeInfo(S).@"struct".fields.len});
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}
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fn printOneField(w: *Writer) Writer.Error!void {
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const val: S = .{ .x = 100 };
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try w.print("{d}\n", .{val.x});
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}
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const std = @import("std");
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const Writer = std.Io.Writer;
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#expect_stdout="2 100\n"
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#update=remove all fields
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#file=main.zig
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const S = @This();
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pub fn main(init: std.process.Init) !void {
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var stdout_writer = std.Io.File.stdout().writerStreaming(init.io, &.{});
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printFieldCount(&stdout_writer.interface) catch |err| switch (err) {
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error.WriteFailed => return stdout_writer.err.?,
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};
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printOneField(&stdout_writer.interface) catch |err| switch (err) {
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error.WriteFailed => return stdout_writer.err.?,
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};
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}
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fn printFieldCount(w: *Writer) Writer.Error!void {
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try w.print("{d} ", .{@typeInfo(S).@"struct".fields.len});
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}
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fn printOneField(w: *Writer) Writer.Error!void {
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const val: S = .{ .x = 100 };
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try w.print("{d}\n", .{val.x});
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}
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const std = @import("std");
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const Writer = std.Io.Writer;
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#expect_error=main.zig:15:24: error: no field named 'x' in struct 'main'
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#expect_error=main.zig:1:1: note: struct declared here
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#update=remove reference to non-existent field
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#file=main.zig
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const S = @This();
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pub fn main(init: std.process.Init) !void {
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var stdout_writer = std.Io.File.stdout().writerStreaming(init.io, &.{});
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printFieldCount(&stdout_writer.interface) catch |err| switch (err) {
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error.WriteFailed => return stdout_writer.err.?,
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};
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printOneField(&stdout_writer.interface) catch |err| switch (err) {
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error.WriteFailed => return stdout_writer.err.?,
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};
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}
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fn printFieldCount(w: *Writer) Writer.Error!void {
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try w.print("{d} ", .{@typeInfo(S).@"struct".fields.len});
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}
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fn printOneField(w: *Writer) Writer.Error!void {
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//const val: S = .{ .x = 100 };
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//try w.print("{d}\n", .{val.x});
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try w.writeAll("<no fields>\n");
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}
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const std = @import("std");
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const Writer = std.Io.Writer;
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#expect_stdout="0 <no fields>\n"
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