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| author | Ian Lance Taylor <iant@golang.org> | 2020-12-14 21:26:33 -0800 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2020-12-15 12:54:25 -0800 |
| commit | f23753c710d54fdf6f6c6cbe93c5b0fdbf209fc8 (patch) | |
| tree | f2d7daa0ca6fad7cbabafb17eb5461198edd99d8 /gcc | |
| parent | a582a319c1015f1f604b107bd25075f01d5a7e67 (diff) | |
| download | gcc-f23753c710d54fdf6f6c6cbe93c5b0fdbf209fc8.zip gcc-f23753c710d54fdf6f6c6cbe93c5b0fdbf209fc8.tar.gz gcc-f23753c710d54fdf6f6c6cbe93c5b0fdbf209fc8.tar.bz2 | |
compiler: better error for unexpected digit
A digit character is not invalid in general, but it's not permitted
at the start of an identifier. Report a better error message.
The test case is issue11359.go in the source repo.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/278174
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/go/gofrontend/MERGE | 2 | ||||
| -rw-r--r-- | gcc/go/gofrontend/lex.cc | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE index 681debb..1bada25 100644 --- a/gcc/go/gofrontend/MERGE +++ b/gcc/go/gofrontend/MERGE @@ -1,4 +1,4 @@ -3e8f49a2137a87fdaba51c3002ddbe41ab18ed46 +8b913a1865e36d4bd105f29aa0b12264a4e03515 The first line of this file holds the git revision number of the last merge done from the gofrontend repository. diff --git a/gcc/go/gofrontend/lex.cc b/gcc/go/gofrontend/lex.cc index 156a90c..e71b8cd 100644 --- a/gcc/go/gofrontend/lex.cc +++ b/gcc/go/gofrontend/lex.cc @@ -743,6 +743,13 @@ Lex::next_token() if (Lex::is_unicode_letter(ci)) return this->gather_identifier(); + if (!issued_error && Lex::is_unicode_digit(ci)) + { + go_error_at(this->location(), + "identifier cannot begin with digit"); + issued_error = true; + } + if (!issued_error) go_error_at(this->location(), "invalid character 0x%x in input file", |