以下程序输出的是 class CLanguage: def info(self): print(" Python") clang=CLanguage() CLanguageinfo(clang)
时间: 2024-01-22 17:21:29 浏览: 31
这段程序有语法错误,应该改为以下代码才能输出结果:
```
class CLanguage:
def info(self):
print("Python")
clang = CLanguage()
clang.info()
```
输出结果为:Python
相关问题
The following C language code is required to undergo lexical analysis using clang
Unfortunately, as an AI language model, I am not able to execute or analyze code. However, I can provide you with some general information on how to perform lexical analysis using Clang.
Clang is a C language compiler that can be used to perform lexical analysis on C code. To perform lexical analysis using Clang, you can use the following command in the terminal:
```
clang -cc1 -dump-tokens <filename>.c
```
This command will output a list of tokens in the specified C file, which represents the lexical structure of the code. Each token represents a single unit of meaning in the code, such as keywords, identifiers, operators, and literals.
You can also use Clang as a library in your C code to perform lexical analysis programmatically. To do this, you can include the `clang/Lex/Lexer.h` header file and use the `Lexer` class to tokenize the input code. The `Lexer` class provides various methods for reading individual tokens from the input code, such as `Lex`, `getKindName`, and `getLocForEndOfToken`.
Overall, Clang is a powerful tool for performing lexical analysis on C code, and has many capabilities beyond just tokenization.
error generated by clang: unknown use of instruction mnemonic without a size suffix
This error message is generated by the Clang compiler when it encounters an assembly instruction that does not have a size suffix. In assembly language, a size suffix is used to indicate the size of the operand being operated on. For example, the "mov" instruction can be used to move data between registers or memory locations, but the size of the data being moved must be specified using a size suffix such as "byte", "word", "dword", or "qword".
When Clang encounters an instruction without a size suffix, it does not know how to interpret the instruction and generates an error message. To resolve this error, you will need to add a size suffix to the instruction to specify the size of the operand being operated on. The appropriate size suffix will depend on the specific instruction and the data being operated on.