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:fontawesome-solid-code: *src/lfortran/parser/tokenizer.re*
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The command will push the new branch `fix1` into your remote repository `REMOTE_NAME` that you created earlier. Additionally, it will also display a link that you can click on to open the new merge request. After clicking on the link, write a title and a concise description then click the "Create" button. Yay you are now all set.
该命令会将新分支 `fix1` 推送到您之前创建的远程存储库 `REMOTE_NAME` 中。此外，它还将显示一个链接，你可以单击该链接以打开新的合并请求。单击链接后，写下标题和简明描述，然后单击 `创建` 按钮。是的，你现在一切就绪。
Add New Features
添加新功能
The example below shows the steps it would take to create a caret binary operator **^** which computes the average value of the two operands.
下面的示例显示了创建插入符号二元运算符 **^** 所需的步骤，该运算符计算两个操作数的平均值。
Create New Token(s)
创建新令牌
We extend the *tokenizer.re* as well as *parser.yy* to add the new token **^**. We also tell LFortran how to print the new token in *parser.cpp*.
我们扩展了 *tokenizer.re* 和 *parser.yy* 以添加新的令牌 **^**。我们还告诉 LFortran 如何在 *parser.cpp* 中打印新标记。
:fontawesome-solid-code: *src/lfortran/parser/tokenizer.re*
:fontawesome-solid-code: *src/lfortran/parser/tokenizer.re*
:fontawesome-solid-code: *src/lfortran/parser/parser.yy*
:fontawesome-solid-code: *src/lfortran/parser/parser.yy*
:fontawesome-solid-code: *src/lfortran/parser/parser.cpp*
:fontawesome-solid-code: *src/lfortran/parser/parser.cpp*
The added code is tested with `lfortran --show-tokens examples2/expr2.f90`
添加的代码使用 `lfortran --show-tokens examples2/expr2.f90` 进行测试
Parse the New Token
解析新令牌
Now we have to parse the new operator. We add it to the AST by extending the BinOp with a caret operator and modifying the *AST.asdl* file. Then we add it in *parse.yy* to properly parse and generate the new AST in *semantics.h*.Finally we extend *pickle.cpp* so that the new operator can print itself.
现在我们必须解析 new 运算符。我们通过使用插入符运算符扩展 BinOp 并修改 *AST.asdl* 文件将其添加到 AST。然后我们将它添加到 *parse.yy* 中以正确解析并在 *semantics.h* 中生成新的 AST。最后我们扩展 *pickle.cpp* 以便新的操作符可以打印自己。

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User avatar zoziha

Translation added

  1. Fortran programming language
  2. LFortran documentation
  3. Chinese (Simplified)
:fontawesome-solid-code: *src/lfortran/parser/tokenizer.re*
:fontawesome-solid-code: *src/lfortran/parser/tokenizer.re*
a year ago
User avatar None

String updated in the repository

  1. Fortran programming language
  2. LFortran documentation
  3. Chinese (Simplified)
:fontawesome-solid-code: *src/lfortran/parser/tokenizer.re*
 
a year ago
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English Chinese (Simplified)
LFortran LFortran Fortran programming language

String information

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md-text
Source string location
../../doc/src/contributing.md:75
String age
a year ago
Last updated
12 months ago
Source string age
a year ago
Translation file
doc/locale/zh_CN/LC_MESSAGES/docs.po, string 39