go-pkg/expr
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parser.go: commented out some useless code

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This commit is contained in:
Celestino Amoroso 2024-06-04 11:02:26 +02:00
parent 609fb21505
commit 10a596a4cd
1 changed files with 11 additions and 12 deletions
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23
parser.go
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@ -6,7 +6,6 @@ package expr
import ( import (
"errors" "errors"
"fmt"
) )
//-------- parser //-------- parser
@ -335,7 +334,7 @@ func (self *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarRef
var tk *Token var tk *Token
tree = NewAst() tree = NewAst()
firstToken := true firstToken := true
lastSym := SymUnknown // lastSym := SymUnknown
for tk = scanner.Next(); err == nil && tk != nil && !tk.IsTerm(termSymbols); tk = scanner.Next() { for tk = scanner.Next(); err == nil && tk != nil && !tk.IsTerm(termSymbols); tk = scanner.Next() {
if tk.Sym == SymComment { if tk.Sym == SymComment {
continue continue
@ -404,9 +403,9 @@ func (self *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarRef
} }
} }
case SymEqual: case SymEqual:
if err = checkPrevSymbol(lastSym, SymIdentifier, tk); err == nil { // if err = checkPrevSymbol(lastSym, SymIdentifier, tk); err == nil {
currentTerm, err = tree.addToken2(tk) currentTerm, err = tree.addToken2(tk)
} // }
case SymFuncDef: case SymFuncDef:
var funcDefTerm *term var funcDefTerm *term
if funcDefTerm, err = self.parseFuncDef(scanner); err == nil { if funcDefTerm, err = self.parseFuncDef(scanner); err == nil {
@ -450,7 +449,7 @@ func (self *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarRef
selectorTerm = nil selectorTerm = nil
} }
lastSym = tk.Sym // lastSym = tk.Sym
} }
if err == nil { if err == nil {
err = tk.Error() err = tk.Error()
@ -458,9 +457,9 @@ func (self *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarRef
return return
} }
func checkPrevSymbol(lastSym, wantedSym Symbol, tk *Token) (err error) { // func checkPrevSymbol(lastSym, wantedSym Symbol, tk *Token) (err error) {
if lastSym != wantedSym { // if lastSym != wantedSym {
err = fmt.Errorf(`assign operator (%q) must be preceded by a variable`, tk.source) // err = fmt.Errorf(`assign operator (%q) must be preceded by a variable`, tk.source)
} // }
return // return
} // }