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<h2>
<a name="1209755"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">9.3 Support for C++</font>
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<a name="1209756"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">C++ programs follow a similar development path to C programs. The <strong>st20cc</strong> compile/link driver provides a single tool user interface to all stages of the C++ compilation and link, which the user can control via command line options. The C++ program can then be run and debugged via <strong>st20run</strong>, in a similar manner to a C program.</font>
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<a name="1209757"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">When processing C++ code, <strong>st20cc</strong> invokes the Edison Design Group (EDG) preprocessor to convert C++ into C. This process is invisible.</font>
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<p>
<a name="1209758"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The toolset's current implementation of the EDG 3.0 preprocessor supports the full ISO C++ standard.</font>
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<p>
<a name="1209759"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">STMicroelectronics cannot guarantee C++ object and library compatibility with this toolset because it uses a preprocessor supplied by a third party which may change in subsequent releases. Users may have to recompile C++ source code when migrating to subsequent releases of the toolset.</font>
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<a name="1209760"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">For further information on the C++ language; see the ANSI approved ISO C++ International Standard ISO/IEC 14882:1998(E) and the definitive texts <font face="Verdana, Arial, Helvetica, sans-serif"><i>The C++ Programming Language</i></font> by Bjarne Stroustrup, Addison-Wesley ISBN 0201-88954-4 and <em>The C++ Standard Library</em> by Nicolai M. Josuttis, Addison-Wesley ISBN 0-201-37926-0.</font>
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<a name="1209763"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The chapter <em>C++ Language Features for the EDG preprocessor</em> in the <em>ST20 Embedded Toolset Reference Manual</em> provides details of language implementation for the EDG preprocessor.</font>
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<h3>
<a name="1209766"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">9.3.1 C++ driver</font>
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<a name="1209767"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">For C++ programs, <strong>st20cc</strong> invokes the phases of a C++ program compilation in the correct order. <a href="st20cc4.htm#1209843"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>Figure⌨️ 快捷键说明
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