authorgravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2020-05-16 19:23:59+03:00
committergravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2020-05-16 19:23:59+03:00
log081ffe24cf99db6544293aecfbd6834a0daf6680
tree1c54d47c3b9f8411a7b0b21acb4c38cadebedd31
parent5ac684ec502096196f05a1c6ed1841b886d6db92
signaturelock-open Commit is signed but in an unrecognized format.

fix infinite loop with invalid comptime

3 files changed, 18 insertions(+), 0 deletions(-)

lib/std/zig/ast.zig+4
......@@ -165,6 +165,7 @@ pub const Error = union(enum) {
165165 ExpectedLoopExpr: ExpectedLoopExpr,
166166 ExpectedDerefOrUnwrap: ExpectedDerefOrUnwrap,
167167 ExpectedSuffixOp: ExpectedSuffixOp,
168 ExpectedBlockOrField: ExpectedBlockOrField,
168169 DeclBetweenFields: DeclBetweenFields,
169170 InvalidAnd: InvalidAnd,
170171
......@@ -215,6 +216,7 @@ pub const Error = union(enum) {
215216 .ExpectedLoopExpr => |*x| return x.render(tokens, stream),
216217 .ExpectedDerefOrUnwrap => |*x| return x.render(tokens, stream),
217218 .ExpectedSuffixOp => |*x| return x.render(tokens, stream),
219 .ExpectedBlockOrField => |*x| return x.render(tokens, stream),
218220 .DeclBetweenFields => |*x| return x.render(tokens, stream),
219221 .InvalidAnd => |*x| return x.render(tokens, stream),
220222 }
......@@ -267,6 +269,7 @@ pub const Error = union(enum) {
267269 .ExpectedLoopExpr => |x| return x.token,
268270 .ExpectedDerefOrUnwrap => |x| return x.token,
269271 .ExpectedSuffixOp => |x| return x.token,
272 .ExpectedBlockOrField => |x| return x.token,
270273 .DeclBetweenFields => |x| return x.token,
271274 .InvalidAnd => |x| return x.token,
272275 }
......@@ -306,6 +309,7 @@ pub const Error = union(enum) {
306309 pub const ExpectedLoopExpr = SingleTokenError("Expected loop expression, found '{}'");
307310 pub const ExpectedDerefOrUnwrap = SingleTokenError("Expected pointer dereference or optional unwrap, found '{}'");
308311 pub const ExpectedSuffixOp = SingleTokenError("Expected pointer dereference, optional unwrap, or field access, found '{}'");
312 pub const ExpectedBlockOrField = SingleTokenError("Expected block or field, found '{}'");
309313
310314 pub const ExpectedParamType = SimpleError("Expected parameter type");
311315 pub const ExpectedPubItem = SimpleError("Expected function or variable declaration after pub");
lib/std/zig/parse.zig+6
......@@ -231,6 +231,12 @@ fn parseContainerMembers(arena: *Allocator, it: *TokenIterator, tree: *Tree, top
231231 const next = it.peek().?.id;
232232 switch (next) {
233233 .Eof => break,
234 .Keyword_comptime => {
235 _ = nextToken(it);
236 try tree.errors.push(.{
237 .ExpectedBlockOrField = .{ .token = it.index },
238 });
239 },
234240 else => {
235241 const index = it.index;
236242 if (next == .RBrace) {
lib/std/zig/parser_test.zig+8
......@@ -200,6 +200,14 @@ test "recovery: missing semicolon after if, for, while stmt" {
200200 });
201201}
202202
203test "recovery: invalid comptime" {
204 try testError(
205 \\comptime
206 , &[_]Error{
207 .ExpectedBlockOrField,
208 });
209}
210
203211test "zig fmt: top-level fields" {
204212 try testCanonical(
205213 \\a: did_you_know,