fix symbol literal

- \     === ''
- \0123 === '0123'
- build v0.0.26

build/scscript.js

@@ -1,7 +1,7 @@
 (function(global) {
 "use strict";
 
-var sc = { VERSION: "0.0.25" };
+var sc = { VERSION: "0.0.26" };
 
 // src/sc/sc.js
 (function(sc) {
@@ -1895,11 +1895,11 @@ var sc = { VERSION: "0.0.25" };
     var re, start, items;
     var value;
 
-    re = /^\\([a-z_]\w*)?/i;
+    re = /^\\([a-zA-Z_]\w*|\d+)?/;
     start = this.index;
     items = re.exec(this.source.slice(this.index));
 
-    value = items[1];
+    value = items[1] || "";
 
     this.index += items[0].length;
 
@@ -2124,7 +2124,7 @@ var sc = { VERSION: "0.0.25" };
     node = this.withScope(function() {
       var body;
 
-      body = this.parseFunctionBody("");
+      body = this.parseFunctionBody(null);
       if (body.length === 1 && body[0].type === Syntax.BlockExpression) {
         body = body[0].body;
       }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "scscript",
-  "version": "0.0.25",
+  "version": "0.0.26",
   "author": "Nao Yonamine <mohayonao@gmail.com>",
   "homepage": "http://mohayonao.github.io/SCScript/",
   "bugs": "https://github.com/mohayonao/SCScript/issues",

src/sc/lang/compiler/lexer.js

@@ -596,11 +596,11 @@
     var re, start, items;
     var value;
 
-    re = /^\\([a-z_]\w*)?/i;
+    re = /^\\([a-zA-Z_]\w*|\d+)?/;
     start = this.index;
     items = re.exec(this.source.slice(this.index));
 
-    value = items[1];
+    value = items[1] || "";
 
     this.index += items[0].length;
 

src/sc/lang/compiler/lexer_test.js

@@ -409,6 +409,28 @@
           }
         },
       ],
+      "\\": [
+        {
+          type: Token.SymbolLiteral,
+          value: "",
+          range: [ 0, 1 ],
+          loc: {
+            start: { line: 1, column: 0 },
+            end  : { line: 1, column: 1 }
+          }
+        },
+      ],
+      "\\0123": [
+        {
+          type: Token.SymbolLiteral,
+          value: "0123",
+          range: [ 0, 5 ],
+          loc: {
+            start: { line: 1, column: 0 },
+            end  : { line: 1, column: 5 }
+          }
+        },
+      ],
       "'symbol'": [
         {
           type: Token.SymbolLiteral,

src/sc/lang/compiler/parser.js

@@ -167,7 +167,7 @@
     node = this.withScope(function() {
       var body;
 
-      body = this.parseFunctionBody("");
+      body = this.parseFunctionBody(null);
       if (body.length === 1 && body[0].type === Syntax.BlockExpression) {
         body = body[0].body;
       }