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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17399 91177308-0d34-0410-b5e6-96231b3b80d8
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Reid Spencer 2004-11-01 09:16:30 +00:00
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commit c7d1d8256e
2 changed files with 41 additions and 38 deletions
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3
docs/CommandLine.html
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@ -875,7 +875,8 @@ can use it like this:</p>
else
break; // we're done with the list
}
}</tt></pre></p>
}
</tt></pre></p>
<p>Note that, for compatibility reasons, the <tt>cl::opt</tt> also supports an
<tt>unsigned getPosition()</tt> option that will provide the absolute position
of that option. You can apply the same approach as above with a

76
docs/ProgrammersManual.html
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@ -1771,42 +1771,43 @@ types.</p>
<li><tt>isLosslesslyConvertableTo (const Type *Ty) const</tt>: Return true if
this type can be converted to 'Ty' without any reinterpretation of bits. For
example, uint to int or one pointer type to another.</li>
</ul>
</div>
<br>
<p>Derived Types</p>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection">
<a name="m_Value">Important Derived Types</a>
</div>
<div class="doc_text">
<ul>
<li>SequentialType : This is subclassed by ArrayType and PointerType
<ul>
<li>SequentialType : This is subclassed by ArrayType and PointerType
<ul>
<li><tt>const Type * getElementType() const</tt>: Returns the type of
each of the elements in the sequential type. </li>
</ul>
</li>
<li>ArrayType : This is a subclass of SequentialType and defines
interface for array types.
<ul>
<li><tt>unsigned getNumElements() const</tt>: Returns the number of
elements in the array. </li>
</ul>
</li>
<li>PointerType : Subclass of SequentialType for pointer types. </li>
<li>StructType : subclass of DerivedTypes for struct types </li>
<li>FunctionType : subclass of DerivedTypes for function types.
<ul>
<li><tt>bool isVarArg() const</tt>: Returns true if its a vararg
function</li>
<li><tt> const Type * getReturnType() const</tt>: Returns the
return type of the function.</li>
<li><tt>const Type * getParamType (unsigned i)</tt>: Returns
the type of the ith parameter.</li>
<li><tt> const unsigned getNumParams() const</tt>: Returns the
number of formal parameters.</li>
</ul>
</li>
<li><tt>const Type * getElementType() const</tt>: Returns the type of each
of the elements in the sequential type. </li>
</ul>
</li>
<li>ArrayType : This is a subclass of SequentialType and defines interface for
array types.
<ul>
<li><tt>unsigned getNumElements() const</tt>: Returns the number of
elements in the array. </li>
</ul>
</li>
<li>PointerType : Subclass of SequentialType for pointer types. </li>
<li>StructType : subclass of DerivedTypes for struct types </li>
<li>FunctionType : subclass of DerivedTypes for function types.
<ul>
<li><tt>bool isVarArg() const</tt>: Returns true if its a vararg
function</li>
<li><tt> const Type * getReturnType() const</tt>: Returns the
return type of the function.</li>
<li><tt>const Type * getParamType (unsigned i)</tt>: Returns
the type of the ith parameter.</li>
<li><tt> const unsigned getNumParams() const</tt>: Returns the
number of formal parameters.</li>
</ul>
</li>
</ul>
</div>
<!-- ======================================================================= -->
@ -1946,32 +1947,33 @@ three idioms worth pointing out:</p>
<tr><th>Units</th><th>Iterator</th><th>Idiom</th></tr>
<tr>
<td align="left">Planes Of name/Value maps</td><td>PI</td>
<td align="left"><tt><pre>
<td align="left"><pre><tt>
for (SymbolTable::plane_const_iterator PI = ST.plane_begin(),
PE = ST.plane_end(); PI != PE; ++PI ) {
PI-&gt;first // This is the Type* of the plane
PI-&gt;second // This is the SymbolTable::ValueMap of name/Value pairs
</pre></tt></td>
</tt></pre></td>
</tr>
<tr>
<td align="left">All name/Type Pairs</td><td>TI</td>
<td align="left"><tt><pre>
<td align="left"><pre><tt>
for (SymbolTable::type_const_iterator TI = ST.type_begin(),
TE = ST.type_end(); TI != TE; ++TI )
TI-&gt;first // This is the name of the type
TI-&gt;second // This is the Type* value associated with the name
</pre></tt></td>
</tt></pre></td>
</tr>
<tr>
<td align="left">name/Value pairs in a plane</td><td>VI</td>
<td align="left"><tt><pre>
<td align="left"><pre><tt>
for (SymbolTable::value_const_iterator VI = ST.value_begin(SomeType),
VE = ST.value_end(SomeType); VI != VE; ++VI )
VI-&gt;first // This is the name of the Value
VI-&gt;second // This is the Value* value associated with the name
</pre></tt></td>
</tt></pre></td>
</tr>
</table>
<p>Using the recommended iterator names and idioms will help you avoid
making mistakes. Of particular note, make sure that whenever you use
value_begin(SomeType) that you always compare the resulting iterator