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Move GetText(), SetText(), and String() from CommonToken to BaseToken #4397

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Merged
parrt merged 1 commit into from
Sep 4, 2023
Merged

Move GetText(), SetText(), and String() from CommonToken to BaseToken #4397

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82 changes: 41 additions & 41 deletions runtime/Go/antlr/v4/token.go
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,25 @@ func (b *BaseToken) GetSource() *TokenSourceCharStreamPair {
return b.source
}

func (b *BaseToken) GetText() string {
if b.text != "" {
return b.text
}
input := b.GetInputStream()
if input == nil {
return ""
}
n := input.Size()
if b.GetStart() < n && b.GetStop() < n {
return input.GetTextFromInterval(NewInterval(b.GetStart(), b.GetStop()))
}
return "<EOF>"
}

func (b *BaseToken) SetText(text string) {
b.text = text
}

func (b *BaseToken) GetTokenIndex() int {
return b.tokenIndex
}
Expand All @@ -120,6 +139,28 @@ func (b *BaseToken) GetInputStream() CharStream {
return b.source.charStream
}

func (b *BaseToken) String() string {
txt := b.GetText()
if txt != "" {
txt = strings.Replace(txt, "\n", "\\n", -1)
txt = strings.Replace(txt, "\r", "\\r", -1)
txt = strings.Replace(txt, "\t", "\\t", -1)
} else {
txt = "<no text>"
}

var ch string
if b.GetChannel() > 0 {
ch = ",channel=" + strconv.Itoa(b.GetChannel())
} else {
ch = ""
}

return "[@" + strconv.Itoa(b.GetTokenIndex()) + "," + strconv.Itoa(b.GetStart()) + ":" + strconv.Itoa(b.GetStop()) + "='" +
txt + "',<" + strconv.Itoa(b.GetTokenType()) + ">" +
ch + "," + strconv.Itoa(b.GetLine()) + ":" + strconv.Itoa(b.GetColumn()) + "]"
}

type CommonToken struct {
BaseToken
}
Expand Down Expand Up @@ -170,44 +211,3 @@ func (c *CommonToken) clone() *CommonToken {
t.text = c.GetText()
return t
}

func (c *CommonToken) GetText() string {
if c.text != "" {
return c.text
}
input := c.GetInputStream()
if input == nil {
return ""
}
n := input.Size()
if c.start < n && c.stop < n {
return input.GetTextFromInterval(NewInterval(c.start, c.stop))
}
return "<EOF>"
}

func (c *CommonToken) SetText(text string) {
c.text = text
}

func (c *CommonToken) String() string {
txt := c.GetText()
if txt != "" {
txt = strings.Replace(txt, "\n", "\\n", -1)
txt = strings.Replace(txt, "\r", "\\r", -1)
txt = strings.Replace(txt, "\t", "\\t", -1)
} else {
txt = "<no text>"
}

var ch string
if c.channel > 0 {
ch = ",channel=" + strconv.Itoa(c.channel)
} else {
ch = ""
}

return "[@" + strconv.Itoa(c.tokenIndex) + "," + strconv.Itoa(c.start) + ":" + strconv.Itoa(c.stop) + "='" +
txt + "',<" + strconv.Itoa(c.tokenType) + ">" +
ch + "," + strconv.Itoa(c.line) + ":" + strconv.Itoa(c.column) + "]"
}