Token2Lit/Lit2Token

Author: xushiwei

tpl/compiler_test.go

@@ -138,6 +138,11 @@ factor =
 	if text != "1.2 .3 sin/1 2 '*' '+' 3 cos/1 5 6 pow/2 7 max/4" {
 		t.Fatal("MatchExactly failed:", text)
 	}
+
+	for name, gr := range m.Grammars {
+		code := tpl.Code(gr, m.Scanner)
+		fmt.Println("name:", name, "=", code)
+	}
 }
 
 // -----------------------------------------------------------------------------

tpl/scanner.go

@@ -799,6 +799,15 @@ scanAgain:
 // Source returns the scanning source.
 //
 func (s *Scanner) Source() TokenSource {
-
 	return TokenSource{s.file, s.src}
 }
+
+// Ttol - token => literal
+func (s *Scanner) Ttol(tok uint) string {
+	return Token2Lit(tok)
+}
+
+// Ltot - literal => token
+func (s *Scanner) Ltot(lit string) (tok uint) {
+	return Lit2Token(lit)
+}

tpl/token.go

@@ -175,8 +175,8 @@ func TokenLen(tok uint) int {
 
 // -----------------------------------------------------------------------------
 
-// Ttol - token => literal
-func (p *Scanner) Ttol(tok uint) (s string) {
+// Token2Lit - token => literal
+func Token2Lit(tok uint) (s string) {
 	if tok < uint(len(tokens)) {
 		s = tokens[tok]
 	} else {
@@ -196,8 +196,8 @@ func init() {
 	}
 }
 
-// Ltot - literal => token
-func (p *Scanner) Ltot(lit string) (tok uint) {
+// Lit2Token - literal => token
+func Lit2Token(lit string) (tok uint) {
 	return rtokens[lit]
 }