From 49524cb4a1ff7fa289e6f6a7cc3669699a5b107d Mon Sep 17 00:00:00 2001
From: rfhits <70683664+rfhits@users.noreply.github.com>
Date: Sun, 21 Aug 2022 15:54:55 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E5=96=84identifierexpr=E7=9A=84?=
 =?UTF-8?q?=E4=BB=A3=E7=A0=81=E8=A7=A3=E8=AF=B4?=
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第二章中，关于identifierexpr生成规则的代码解说，少了return语句
---
 source/chapter-2.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/chapter-2.rst b/source/chapter-2.rst
index 4068ee7..6645898 100644
--- a/source/chapter-2.rst
+++ b/source/chapter-2.rst
@@ -113,7 +113,7 @@ __ http://en.wikipedia.org/wiki/Operator-precedence_parser
 
     .. literalinclude:: _includes/chapter-2_full.cpp
         :language: cpp
-        :lines: 172-198
+        :lines: 172-204
 
     该函数与其它函数的风格别无二致。（调用该函数时当前语元必须是\ ``tok_identifier``\ 。）前文提到的有关递归和错误处理的特点它统统具备。有意思的是这里采用了\ **预读**\ （lookahead）的手段来试探当前标识符的类型，判断它究竟是个独立的变量引用还是个函数调用。只要检查紧跟标识符之后的语元是不是“\ ``(``\ ”，它就能知道到底应该构造\ ``VariableExprAST``\ 节点还是\ ``CallExprAST``\ 节点。