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5 Controlling Code Generation

5-36

No Annotation

To include no source from the initial M-file in the generated output, use

mcc -A annotation:none …

Thiscode snippetshowsthe generatedcode withoutcommentsand sourcecode.

static void Mhello(void) {

mxArray * ans = mclGetUninitializedArray();

mclAssignAns(

&ans,

mlfNFprintf(0, mlfScalar(1), mxCreateString("Hello, World\\n"), NULL));

mxDestroyArray(ans);

}

Controlling #line Directives in Output Code

#line preprocessing directives inform a C/C++ compiler that the C/C++ code

was generated by another tool (MATLAB Compiler) and they identify the

correspondence between the generated code and the original source code

(M-file). You can use the

#line directives to help debug your M-file(s). Most C

languagedebuggers candisplayyourM-filesourcecode.Thesedebuggersallow

you to set breakpoints, single step, and so on at the M-file code level when you

use the

#line directives.

Use the

line:setting option to include #line preprocessor directives in your

generated C or C++ output. The possible values for

setting are:

•

•off

Not specifying any line setting uses the default of off, which does not include

any

#line preprocessor directives in the generated C/C++ source.

Note When using the #line directive, the page-width directive is disabled in

order to make the code work properly with the C debugger.

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MATLAB COMPILER RELEASE NOTES Guía de usuario Pagina 152