SLAU132V October   2004  – February 2020

 

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2.10 Generating a Raw Listing File (--gen_preprocessor_listing Option)

The --gen_preprocessor_listing option generates a raw listing file that can help you understand how the compiler is preprocessing your source file. Whereas the preprocessed listing file (generated with the --preproc_only, --preproc_with_comment, --preproc_with_line, and --preproc_dependency preprocessor options) shows a preprocessed version of your source file, a raw listing file provides a comparison between the original source line and the preprocessed output. The raw listing file has the same name as the corresponding source file with an .rl extension.

The raw listing file contains the following information:

  • Each original source line
  • Transitions into and out of include files
  • Diagnostic messages
  • Preprocessed source line if nontrivial processing was performed (comment removal is considered trivial; other preprocessing is nontrivial)

Each source line in the raw listing file begins with one of the identifiers listed in Table 2-32.

Table 2-32 Raw Listing File Identifiers

Identifier Definition
N Normal line of source
X Expanded line of source. It appears immediately following the normal line of source if nontrivial preprocessing occurs.
S Skipped source line (false #if clause)
L Change in source position, given in the following format:

L line number filename key

Where line number is the line number in the source file. The key is present only when the change is due to entry/exit of an include file. Possible values of key are:
1 = entry into an include file

2 = exit from an include file

The --gen_preprocessor_listing option also includes diagnostic identifiers as defined in Table 2-33.

Table 2-33 Raw Listing File Diagnostic Identifiers

Diagnostic Identifier Definition
E Error
F Fatal
R Remark
W Warning

Diagnostic raw listing information is displayed in the following format:

Sfilenameline numbercolumn numberdiagnostic
S One of the identifiers in Table 2-33 that indicates the severity of the diagnostic
filename The source file
line number The line number in the source file
column number The column number in the source file
diagnostic The message text for the diagnostic

Diagnostic messages after the end of file are indicated as the last line of the file with a column number of 0. When diagnostic message text requires more than one line, each subsequent line contains the same file, line, and column information but uses a lowercase version of the diagnostic identifier. For more information about diagnostic messages, see Section 2.7.