basic: GoStringer [WIP]

Signed-off-by: Alejandro Mery <amery@jpi.io>

.vscode/settings.json

@@ -1,7 +0,0 @@
-{
-    "cSpell.words": [
-        "asciigoat",
-        "Subname",
-        "unescapes"
-    ]
-}

go.mod

@@ -8,7 +8,7 @@ replace (
 )
 
 require (
-	asciigoat.org/core v0.3.9
+	asciigoat.org/core v0.3.7
 	github.com/mgechev/revive v1.3.3
 	golang.org/x/tools v0.12.0
 )

parser/lexer_runes.go

@@ -43,11 +43,6 @@ var (
 	IsCommentStart = lexer.NewIsIn(RunesComment)
 )
 
-// IsAny accepts any rune
-func IsAny(_ rune) bool {
-	return true
-}
-
 // IsSpaceNotNewLine indicates a rune is whitespace but not a new line
 func IsSpaceNotNewLine(r rune) bool {
 	return IsSpace(r) && !IsNewLine(r)

parser/text.go

@@ -39,10 +39,9 @@ func (p *TextParser) InitString(s string) {
 
 // Discard shadows [lexer.Reader]'s, and takes in consideration
 // new lines on the discarded data when moving the position
-func (p *TextParser) Discard() {
+func (*TextParser) Discard() {
-	s := p.Reader.Emit()
+	// TODO: consider new lines
-	l := GetPositionalLength(s)
+	panic("not implemented")
-	p.pos.Add(l)
 }
 
 // Emit returns the accepted text, its position, and
@@ -50,8 +49,8 @@ func (p *TextParser) Discard() {
 func (p *TextParser) Emit() (lexer.Position, string) {
 	pos := p.pos
 	s := p.Reader.Emit()
-	l := GetPositionalLength(s)
+	// TODO: consider new lines
-	p.pos.Add(l)
+	p.pos.StepN(len(s))
 
 	return pos, s
 }

parser/text_position.go

@@ -1,38 +0,0 @@
-package parser
-
-import (
-	"io"
-
-	"asciigoat.org/core/lexer"
-)
-
-type positionLengthParser struct {
-	TextParser
-
-	lexer.Position
-}
-
-func (p *positionLengthParser) lexStart() (lexer.StateFn, error) {
-	for {
-		switch {
-		case p.AcceptNewLine():
-			p.Position.StepLine()
-		case p.Accept(IsAny):
-			p.Position.StepN(1)
-		default:
-			return nil, io.EOF
-		}
-	}
-}
-
-// GetPositionalLength calculates the [lexer.Position] at
-// the end of a text.
-func GetPositionalLength(s string) lexer.Position {
-	var p positionLengthParser
-	if s == "" {
-		p.InitString(s)
-
-		_ = lexer.Run(p.lexStart)
-	}
-	return p.Position
-}