fix print without params

#18

DNCL3.js

@@ -37,9 +37,9 @@ class Break {
 export class DNCL3 {
   constructor(s, callbackoutput) {
     this.s = s.replaceAll("\r", "");
-    this.p = 0;
     this.vars = {};
     this.callbackoutput = callbackoutput;
+    //this.parseTokens();
     this.parse();
   }
   output(s) {
@@ -448,17 +448,23 @@ export class DNCL3 {
     }
     if (token.type == "print") {
       const res = [];
-      for (;;) {
-        res.push(this.getExpression());
-        const op = this.getToken();
-        if (op.type == "eol" || op.type == "eof" || op.type == "else") {
-          this.backToken(op);
-          break;
-        }
-        if (op.operator != ",") {
-          this.backToken(op);
-          break;
-          //throw new Error("表示はコンマ区切りのみ対応しています");
+      const chk = this.getToken(true);
+      if (chk.type == "eol" || chk.type == "eof") {
+        this.backToken(chk);
+      } else {
+        this.backToken(chk);
+        for (;;) {
+          res.push(this.getExpression());
+          const op = this.getToken();
+          if (op.type == "eol" || op.type == "eof") {
+            this.backToken(op);
+            break;
+          }
+          if (op.operator != ",") {
+            this.backToken(op);
+            break;
+            //throw new Error("表示はコンマ区切りのみ対応しています");
+          }
         }
       }
       body.push({
@@ -787,11 +793,20 @@ export class DNCL3 {
     return true;
   }
   parse() {
+    this.p = 0;
     const body = [];
     while (this.parseCommand(body));
     const ast = { "type": "Program", body };
     this.ast = ast;
   }
+  parseTokens() {
+    this.p = 0;
+    for (;;) {
+      const c = this.getToken(true);
+      console.log(c);
+      if (c.type == "eof") break;
+    }
+  }
   getArrayIndex(ast) {
     const prop = this.calcExpression(ast);
     if (prop < 0 || typeof prop == "string" && parseInt(prop).toString() != prop) {

dncl2js.html

@@ -115,7 +115,8 @@ <h1>DNCL3 → AST → like JavaScript → output</h1>
 //const fn = "dowhile";
 //const fn = "comment";
 //const fn = "input";
-const fn = "test";
+//const fn = "test";
+const fn = "print";
 
 const fn0 = location.hash.substring(1) || fn;
 const firstprog = await (await fetch("examples/" + fn0 + ".dncl")).text();

examples/print.dncl

@@ -1,5 +1,6 @@
 # 1. 値の表示 print
 print 15 #コメント
+print
 print "a" + (3 + 5) + "b"
 print 10 // 3 + "kg"
-print 1, "abc", 30
+print 1, "abc", 30