This option controls outputting the result of preprocessing.
[Specification format]
-Xpreprocess=string[,string]
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- | Interpretation when omitted |
The comments and line number information of the C source are not output to the preprocessed file.
[Detailed description]
- | This option outputs the comments and line number information of the C source to the preprocessed file. |
- | This option is valid only when the -P option is specified.
If the -P option is not specified, this option will be ignored. |
- | The items that can be specified as string are shown below.
An error will occur if any other item is specified. |
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comment
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Outputs the comments of the C source.
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line
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Outputs line number informationNote.
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<Format of line number information>
#line line-number "file-name"
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- | line-number is a decimal number, and the maximum value is the maximum number of unsigned int. |
- | In the full path of file-name, "\\" is converted to "\", and '"' to '\"'.
Other than printable characters (including spaces) are output as \3-digit octal number (e.g. "\\%03o").
Line feed characters are converted to "\\n". |
- | If an input source file contains the preprocessor directive '#number "string"' or '#line number "string"', then number is used as line-number, and string as file-name. |
- | An error will occur if string is omitted. |
- | It is output in the standard character encoding of the OS. |
[Example of use]
- | To output the comments and line number information of the C source to the preprocessed file, describe as: |
>ccrh -Xpreprocess=comment,line -P -Xcommon=rh850 main.c
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The following example is equivalent to the example above.
>ccrh -Xpreprocess=comment -Xpreprocess=line -P -Xcommon=rh850 main.c
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