forked from OSchip/llvm-project
Implement and document prefix options with arbitrary values including an
= sign. This needed to support -DNAME=value options as pass-through in llvmc. llvm-svn: 18203
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@ -1276,13 +1276,15 @@ Arguments</a> section for more information.</li>
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specifies that this option is used to capture "interpreter style" arguments. See <a href="#cl::ConsumeAfter">this section for more information</a>.</li>
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<li><a name="cl::Prefix">The <b><tt>cl::Prefix</tt></b></a> modifier specifies
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that this option prefixes its value. With 'Prefix' options, there is no equal
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sign that separates the value from the option name specified. This is useful
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for processing odd arguments like '<tt>-lmalloc -L/usr/lib'</tt> in a linker
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tool. Here, the '<tt>l</tt>' and '<tt>L</tt>' options are normal string (list)
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options, that have the <a href="#cl::Prefix">cl::Prefix</a> modifier added to
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allow the CommandLine library to recognize them. Note that <a
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href="#cl::Prefix">cl::Prefix</a> options must not have the <a
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that this option prefixes its value. With 'Prefix' options, the equal sign does
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not separate the value from the option name specified. Instead, the value is
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everything after the prefix, including any equal sign if present. This is useful
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for processing odd arguments like <tt>-lmalloc</tt> and <tt>-L/usr/lib</tt> in a
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linker tool or <tt>-DNAME=value</tt> in a compiler tool. Here, the
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'<tt>l</tt>', '<tt>D</tt>' and '<tt>L</tt>' options are normal string (or list)
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options, that have the <a href="#cl::Prefix">cl::Prefix</a> modifier added to
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allow the CommandLine library to recognize them. Note that
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<a href="#cl::Prefix">cl::Prefix</a> options must not have the <a
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href="#cl::ValueDisallowed">cl::ValueDisallowed</a> modifier specified.</li>
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<li><a name="cl::Grouping">The <b><tt>cl::Grouping</tt></b></a> modifier is used
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@ -397,7 +397,7 @@ void cl::ParseCommandLineOptions(int &argc, char **argv,
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Handler = LookupOption(ArgName, Value);
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// Check to see if this "option" is really a prefixed or grouped argument.
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if (Handler == 0 && *Value == 0) {
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if (Handler == 0) {
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std::string RealName(ArgName);
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if (RealName.size() > 1) {
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unsigned Length = 0;
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