⬆️ UPDATE 语法分析(未完成)

sunwu51 · Dec 17, 2024 · 964511e · 964511e
1 parent 7f8b63b
commit 964511e
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/24.12/demo/语法分析.md → 24.12/语法分析.md b/24.12/demo/语法分析.md → 24.12/语法分析.md
@@ -402,7 +402,7 @@ function parseExpression(tokens, start, end, precedence, currentIndex = {index:
     var numNode = new NumberAstNode(tokens[start].value);
     var result = numNode;
 
-    while (currentIndex.index < end) {
+    while (currentIndex.index < end - 1) {
         var opNode = new InfixOperatorAstNode(tokens[currentIndex.index + 1]);
         if (opNode.precedence <= precedence) {
             currentIndex.index = start; // currentIndex是用对象类型，记录的上下文在所有的dfs中是一个单例
@@ -415,4 +415,5 @@ function parseExpression(tokens, start, end, precedence, currentIndex = {index:
     }
     return result;
 }
-```
+```
+这个代码行数不多，但是因为有循环和递归，所以比较难理解。