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288 lines
7.0 KiB
288 lines
7.0 KiB
<HTML>
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<HEAD>
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<META HTTP-EQUIV="Content-Type" CONTENT="text/html">
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<TITLE>hdivide</TITLE>
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</HEAD>
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<BODY> <!-- TEXT="#000000" LINK="#0000ff" VLINK="#800080" BGCOLOR="#ffffff" -->
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<H1>Utility -- hdivide</H1>
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<hr>
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<h2>Basic</h2>
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<p>
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Hdivide divides a source file (.w) into multiple files (.x) as specified in the source files.
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Those output files may be supposed to be processed by wcshdr utility.
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</p>
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<p>
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Output will be in the same directory as the source file.
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</p>
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<h2>Outputs</h2>
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<p>
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Hdivide redirects the output to the multiple files. The current output context (tag context) is specified by lined or inline tag.
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</p>
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<p>
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Hdivide also inserts the output of other files into specified point. The range of inclusion is specified with <b>reference_start</b> and <b>reference_end</b> tag in the tag context of the source.
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</p>
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<hr>
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<H2>Tags</H2>
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<h3>Tag context</h3>
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<p>
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Tag context is specified by either or both of line and inline tags.
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Output is redirected to the current tag context.
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</p>
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<p>
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Inline tags override the current tag context just for the current line.
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If "+" is spcified at the top of inline tag, line tag adds the specified tags to the current tag context.
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</p>
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<p>
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Line tag is effective until other line tag appears.
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</p>
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<p>
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The default tag context is "all."
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</p>
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<h3>Tag format</h3>
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<p>
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Line tag should start with <b>";"</b>. Line tag should start at the beginning of the line.
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</p>
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<p>
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Inline tags should start with <b>"@"</b>.
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It can appear at any place in non line tag line, but the rest of the line will be ex
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Multiple tag is separated by <b>";"</b>.
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</p>
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<p>
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Not all of the valid tags are multiple.
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</p>
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<p>
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If <b>"+"</b> appears right after <b>"@"</b>, following tags are the additions to the current tag context.
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</p>
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<p>
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Tags should only include <i>filename</i> portion. The extention <b>".x"</b> is automatically added.
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Tags should not include any path: i.e. drive name or directory name.
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</p>
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<h3>Output tag</h3>
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<p>
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Output tag redirects the output to specified files. Output tag can be multiple.
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It is one or any combination of:
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<ul>
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<li>public
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<li>internal
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<li><i>filename</i>
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</ul>
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<i>filename</i> should not include the extension. File extension is fixed as ".x".
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</p>
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<p>
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If one or more of the output tags are specified, the output is redirected to specified files until the next line tag appears.
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</p>
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<p>
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<b>All</b> and <b>null</b> tags are special, and cannot be multiple. See the table below for the detail.
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</p>
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<h3>Reverse</h3>
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<p>
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If the the first tag begins with <b>"!"</b>, tag specification is reversed. May not be effective for <b>all</b> and <b>null</b> tags.
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</p>
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<h3>Tag validity</h3>
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<p>
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Inline tag temporarily overrides the line tag. If specified, inline tag redirects the current line to specifed tag context.
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</p>
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<h3>Special tags</h3>
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<p>
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Special tags include <b>begin_<i>symbol</i>_<i>version</i></b>, <b>end_<i>symbol</i>_<i>version</i></b>, <b>else</b>,
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<b>insert_<i>tag</i></b>, <b>reference_start</b>, <b>reference_end</b>.
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See the following table for the detail.
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</p>
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<h3>List of valid tags</h3>
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<p>
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The following table summarizes the valid tags.
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</p>
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<table border>
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<tr>
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<th>
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<p>Tag</p>
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</th>
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<th>
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<p>Multiple</p>
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</th>
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<th>
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<p>Inline</p>
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</th>
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<th>
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<p>Semantics</p>
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</th>
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</tr>
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<tr>
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<td>
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<p>public</p>
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</td>
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<td><p>yes</p>
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<td><p>yes</p>
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<td>
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<p>Redirects to public .x file. The file name is same as the source file.
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>internal</p>
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</td>
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<td><p>yes</p>
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<td><p>yes</p>
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<td>
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<p>Redirects to private .x file. The file name is the source file + "p".
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p><i>filename</i></p>
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</td>
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<td><p>yes</p>
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<td><p>yes</p>
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<td>
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<p>Redirects the output to <i>filename</i>.x.
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</p>
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<td>
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</tr>
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<tr>
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<td>
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<p>all</p>
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</td>
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<td><p>no</p>
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<td><p>yes</p>
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<td>
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<p>Redirects to all files declared before this tag.
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>null</p>
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</td>
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<td><p>no</p>
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<td><p>yes</p>
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<td>
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<p>Specifies no output.
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>begin_<i>symbol</i>_<i>version</i></p>
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</td>
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<td><p>no</p>
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<td><p>no</p>
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<td>
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<p>Generates the C/C++ preprocessor macro. Will be translated to:
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<pre>
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#if (<i>symbol</i> >= 0x<i>version</i>)
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</pre>
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Symbol is translated to upper case. Version is also translated to upper case and 4 hex digits.
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</p>
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<p>
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Example:
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<pre>
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;begin_winver_40a
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->
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#if (WINVER >= 0x040A)
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;begin__win32_winnt_500
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->
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#if (_WIN32_WINNT >= 0x500)
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</pre>
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>end_<i>symbol</i>_<i>version</i></p>
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</td>
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<td><p>no</p>
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<td><p>no</p>
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<td>
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<p>Generates the C/C++ preprocessor macro. Will be translated to:
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<pre>
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#endif // <i>symbol</i> >= 0x<i>version</i>
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</pre>
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>else</p>
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</td>
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<td><p>no</p>
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<td><p>no</p>
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<td>
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<p>Generates the C/C++ preprocessor macro. Will be translated to:
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<pre>
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#else
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</pre>
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>insert_<i>tag</i></p>
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</td>
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<td><p>no</p>
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<td><p>no</p>
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<td>
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<p>Specifies the insertion point of the output of <i>tag</i>.
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</p>
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<p>
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The portion of the file inserted from <i>tag</i> should be specified in the context of <i>tag</i>, by <b>reference_start</b> tag and <b>reference_end tag</b>.
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<p>
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<p>
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Multiple occurence of insert_<i>tag</i> is supported.
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</p>
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<p>
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The source file should not have cyclic insertion.
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>reference_start</p>
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</td>
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<td><p>no</p>
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<td><p>no</p>
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<td>
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<p>Specifies the beginning of the reference of the current tag context.
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</p>
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<p>
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Multiple occurence of <b>reference_start</b> is supported. However, each <b>reference_start</b> should be ended by <b>reference_end</b> before another <b>reference_start</b> (in the same tag context) appears.
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>reference_end</p>
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</td>
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<td><p>no</p>
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<td><p>no</p>
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<td>
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<p>Specifies the end of the reference of the current tag context.
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</p>
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<p>
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Multiple occurence of <b>reference_end</b> is supported.
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Before <b>reference_end</b> appears, corresponding <b>reference_start</b> should be appeared in the same tag context.
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</p>
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</td>
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</tr>
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</table>
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</BODY>
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</HTML>
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