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tokenizer: clean up invalid token error

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It now displays the byte with proper printability handling. This makes
the relevant compile error test case no longer a regression in quality
from stage1 to stage2.
This commit is contained in:
Andrew Kelley
2021-07-02 12:33:05 -07:00
parent 7a2e0d9810
commit c5c23db627
7 changed files with 56 additions and 46 deletions
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5
src/Module.zig
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@@ -2480,11 +2480,12 @@ pub fn astGenFile(mod: *Module, file: *Scope.File) !void {
};
if (token_tags[parse_err.token] == .invalid) {
const bad_off = @intCast(u32, file.tree.tokenSlice(parse_err.token).len);
const byte_abs = token_starts[parse_err.token] + bad_off;
try mod.errNoteNonLazy(.{
.file_scope = file,
.parent_decl_node = 0,
.lazy = .{ .byte_abs = token_starts[parse_err.token] + bad_off },
}, err_msg, "invalid byte here", .{});
.lazy = .{ .byte_abs = byte_abs },
}, err_msg, "invalid byte: '{'}'", .{ std.zig.fmtEscapes(source[byte_abs..][0..1]) });
}
{