| author |  Andrew Kelley <andrew@ziglang.org> 2021-02-21 00:18:20-07:00 |
| committer | Andrew Kelley <andrew@ziglang.org> 2021-02-21 00:18:20-07:00 |
| log | 88d0e77b9747152a923e4a4479988924de0fe26f |
| tree | ddb3ba22c76d204410187b22f5b37548efd1eb09 |
| parent | 4074e79748ad9ecc39a4127cd1c28c115efff56a |
parse: implement error for invalid bit range and alignment
3 files changed, 32 insertions(+), 8 deletions(-)
lib
lib/std/zig/ast.zig+8
| ... | ... | @@ -262,6 +262,12 @@ pub const Tree = struct { |
| 262 | 262 | .extra_volatile_qualifier => { |
| 263 | 263 | return stream.writeAll("extra volatile qualifier"); |
| 264 | 264 | }, |
| 265 | .invalid_align => { | |
| 266 | return stream.writeAll("alignment not allowed on arrays"); | |
| 267 | }, | |
| 268 | .invalid_bit_range => { | |
| 269 | return stream.writeAll("bit range not allowed on slices and arrays"); | |
| 270 | }, | |
| 265 | 271 | .invalid_token => { |
| 266 | 272 | return stream.print("invalid token '{s}'", .{ |
| 267 | 273 | token_tags[parse_error.token].symbol(), |
| ... | ... | @@ -2323,6 +2329,8 @@ pub const Error = struct { |
| 2323 | 2329 | extra_allowzero_qualifier, |
| 2324 | 2330 | extra_const_qualifier, |
| 2325 | 2331 | extra_volatile_qualifier, |
| 2332 | invalid_align, | |
| 2333 | invalid_bit_range, | |
| 2326 | 2334 | invalid_token, |
| 2327 | 2335 | same_line_doc_comment, |
| 2328 | 2336 | unattached_doc_comment, |
lib/std/zig/parse.zig+8-8
| ... | ... | @@ -1777,10 +1777,10 @@ const Parser = struct { |
| 1777 | 1777 | const mods = try p.parsePtrModifiers(); |
| 1778 | 1778 | const elem_type = try p.expectTypeExpr(); |
| 1779 | 1779 | if (mods.bit_range_start != 0) { |
| 1780 | @panic("TODO implement this error"); | |
| 1781 | //try p.warn(.{ | |
| 1782 | // .BitRangeInvalid = .{ .node = mods.bit_range_start }, | |
| 1783 | //}); | |
| 1780 | try p.warnMsg(.{ | |
| 1781 | .tag = .invalid_bit_range, | |
| 1782 | .token = p.nodes.items(.main_token)[mods.bit_range_start], | |
| 1783 | }); | |
| 1784 | 1784 | } |
| 1785 | 1785 | if (len_expr == 0) { |
| 1786 | 1786 | if (sentinel == 0) { |
| ... | ... | @@ -1816,10 +1816,10 @@ const Parser = struct { |
| 1816 | 1816 | } |
| 1817 | 1817 | } else { |
| 1818 | 1818 | if (mods.align_node != 0) { |
| 1819 | @panic("TODO implement this error"); | |
| 1820 | //try p.warn(.{ | |
| 1821 | // .AlignInvalid = .{ .node = mods.align_node }, | |
| 1822 | //}); | |
| 1819 | try p.warnMsg(.{ | |
| 1820 | .tag = .invalid_align, | |
| 1821 | .token = p.nodes.items(.main_token)[mods.align_node], | |
| 1822 | }); | |
| 1823 | 1823 | } |
| 1824 | 1824 | if (sentinel == 0) { |
| 1825 | 1825 | return p.addNode(.{ |
lib/std/zig/parser_test.zig+16
| ... | ... | @@ -4032,6 +4032,22 @@ test "zig fmt: trailing comma should force multiline 1 column" { |
| 4032 | 4032 | // ); |
| 4033 | 4033 | //} |
| 4034 | 4034 | |
| 4035 | test "zig fmt: error for invalid bit range" { | |
| 4036 | try testError( | |
| 4037 | \\var x: []align(0:0:0)u8 = bar; | |
| 4038 | , &[_]Error{ | |
| 4039 | .invalid_bit_range, | |
| 4040 | }); | |
| 4041 | } | |
| 4042 | ||
| 4043 | test "zig fmt: error for invalid align" { | |
| 4044 | try testError( | |
| 4045 | \\var x: [10]align(10)u8 = bar; | |
| 4046 | , &[_]Error{ | |
| 4047 | .invalid_align, | |
| 4048 | }); | |
| 4049 | } | |
| 4050 | ||
| 4035 | 4051 | test "recovery: top level" { |
| 4036 | 4052 | try testError( |
| 4037 | 4053 | \\test "" {inline} |