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| author | Ryo Nihei <nihei.dev@gmail.com> | 2021-08-03 21:00:28 +0900 |
|---|---|---|
| committer | Ryo Nihei <nihei.dev@gmail.com> | 2021-08-03 21:04:06 +0900 |
| commit | bb878f980b26f4a90a0ba7ec18e6a044a04e7d14 (patch) | |
| tree | 856715a8d9cea75e6c60442ae6bc7242260e7990 | |
| parent | Add CHANGELOG (diff) | |
| download | urubu-bb878f980b26f4a90a0ba7ec18e6a044a04e7d14.tar.gz urubu-bb878f980b26f4a90a0ba7ec18e6a044a04e7d14.tar.xz | |
Fix the name of the EOF symbol in the description file
| -rw-r--r-- | grammar/slr.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/grammar/slr.go b/grammar/slr.go index 2f4c786..1bca78f 100644 --- a/grammar/slr.go +++ b/grammar/slr.go @@ -412,6 +412,13 @@ func (b *slrTableBuilder) productionToString(prod *production, dot int) string { } func (b *slrTableBuilder) symbolToText(sym symbol) string { + if sym.isNil() { + return "<NULL>" + } + if sym.isEOF() { + return "<EOF>" + } + text, ok := b.symTab.toText(sym) if !ok { return fmt.Sprintf("<symbol not found: %v>", sym) |