Merge pull request #52 from goccy/feature/fix-parser-error

Fix parsing error of document like  `a: 0 - 1`

parser/parser_test.go

@@ -158,6 +158,14 @@ r: s
 - b
 - c - d - e
 - f
+`,
+		},
+		{
+			`
+a: 0 - 1
+`,
+			`
+a: 0 - 1
 `,
 		},
 		{`

scanner/context.go

@@ -8,26 +8,28 @@ import (
 
 // Context context at scanning
 type Context struct {
-	idx         int
-	size        int
-	src         []rune
-	buf         []rune
-	obuf        []rune
-	tokens      token.Tokens
-	isRawFolded bool
-	isLiteral   bool
-	isFolded    bool
-	literalOpt  string
+	idx          int
+	size         int
+	src          []rune
+	buf          []rune
+	obuf         []rune
+	tokens       token.Tokens
+	isRawFolded  bool
+	isLiteral    bool
+	isFolded     bool
+	isSingleLine bool
+	literalOpt   string
 }
 
 func newContext(src []rune) *Context {
 	return &Context{
-		idx:    0,
-		size:   len(src),
-		src:    src,
-		tokens: token.Tokens{},
-		buf:    make([]rune, 0, len(src)),
-		obuf:   make([]rune, 0, len(src)),
+		idx:          0,
+		size:         len(src),
+		src:          src,
+		tokens:       token.Tokens{},
+		buf:          make([]rune, 0, len(src)),
+		obuf:         make([]rune, 0, len(src)),
+		isSingleLine: true,
 	}
 }
 

scanner/scanner.go

@@ -303,6 +303,7 @@ func (s *Scanner) scanNewLine(ctx *Context, c rune) {
 	}
 	ctx.addBuf(' ')
 	ctx.addOriginBuf(c)
+	ctx.isSingleLine = false
 	s.progressLine(ctx)
 }
 
@@ -378,6 +379,13 @@ func (s *Scanner) scan(ctx *Context) (pos int) {
 				s.progressColumn(ctx, 1)
 				continue
 			}
+			if ctx.bufferedSrc() != "" && ctx.isSingleLine {
+				// '-' is literal
+				ctx.addBuf(c)
+				ctx.addOriginBuf(c)
+				s.progressColumn(ctx, 1)
+				continue
+			}
 			nc := ctx.nextChar()
 			if nc == ' ' {
 				s.addBufferedTokenIfExists(ctx)