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| author | Ryo Nihei <nihei.dev@gmail.com> | 2021-12-11 19:42:32 +0900 |
|---|---|---|
| committer | Ryo Nihei <nihei.dev@gmail.com> | 2021-12-11 19:42:32 +0900 |
| commit | 3ec662c34841bb5bcf05166d1b9efd800b1e9ea3 (patch) | |
| tree | a7acd4fa535819a941da862905a14bfffa8493b5 /compiler/parser/parser.go | |
| parent | Make character properties unavailable in bracket expressions (diff) | |
| download | tre-3ec662c34841bb5bcf05166d1b9efd800b1e9ea3.tar.gz tre-3ec662c34841bb5bcf05166d1b9efd800b1e9ea3.tar.xz | |
Add tests of compiler/parser package
Diffstat (limited to '')
| -rw-r--r-- | compiler/parser/parser.go | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/compiler/parser/parser.go b/compiler/parser/parser.go index 70d1ce6..fd85fab 100644 --- a/compiler/parser/parser.go +++ b/compiler/parser/parser.go @@ -205,7 +205,7 @@ func (p *parser) parseSingleChar() CPTree { } inverse := exclude(elem, genAnyCharAST()) if inverse == nil { - panic(fmt.Errorf("a pattern that isn't matching any symbols")) + p.raiseParseError(synErrUnmatchablePattern, "") } for { elem := p.parseBExpElem() @@ -214,7 +214,7 @@ func (p *parser) parseSingleChar() CPTree { } inverse = exclude(elem, inverse) if inverse == nil { - panic(fmt.Errorf("a pattern that isn't matching any symbols")) + p.raiseParseError(synErrUnmatchablePattern, "") } } if p.consume(tokenKindEOF) { @@ -355,12 +355,12 @@ func (p *parser) parseCharProp() CPTree { r := cpRanges[0] alt = exclude(newRangeSymbolNode(r.From, r.To), genAnyCharAST()) if alt == nil { - panic(fmt.Errorf("a pattern that isn't matching any symbols")) + p.raiseParseError(synErrUnmatchablePattern, "") } for _, r := range cpRanges[1:] { alt = exclude(newRangeSymbolNode(r.From, r.To), alt) if alt == nil { - panic(fmt.Errorf("a pattern that isn't matching any symbols")) + p.raiseParseError(synErrUnmatchablePattern, "") } } } else { |