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<section id="abstract-syntax-tree-classes-for-working-with-java-programs">
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<span id="id1"></span><h1>Abstract syntax tree classes for working with Java programs<a class="headerlink" href="#abstract-syntax-tree-classes-for-working-with-java-programs" title="Link to this heading">¶</a></h1>
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<p>CodeQL has a large selection of classes for representing the abstract syntax tree of Java programs.</p>
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<p>The <a class="reference external" href="https://en.wikipedia.org/wiki/Abstract_syntax_tree">abstract syntax tree (AST)</a> represents the syntactic structure of a program. Nodes on the AST represent elements such as statements and expressions.</p>
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<section id="statement-classes">
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<h2>Statement classes<a class="headerlink" href="#statement-classes" title="Link to this heading">¶</a></h2>
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<p>This table lists all subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a>.</p>
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<table class="docutils align-default">
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<thead>
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<tr class="row-odd"><th class="head"><p>Statement syntax</p></th>
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<th class="head"><p>CodeQL class</p></th>
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<th class="head"><p>Superclasses</p></th>
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<th class="head"><p>Remarks</p></th>
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</tr>
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</thead>
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<tbody>
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<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$EmptyStmt.html">EmptyStmt</a></p></td>
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<td></td>
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<td></td>
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</tr>
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<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ExprStmt.html">ExprStmt</a></p></td>
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<td></td>
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<td></td>
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</tr>
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<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a> <code class="docutils literal notranslate"><span class="pre">...</span> <span class="pre">}</span></code></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$BlockStmt.html">BlockStmt</a></p></td>
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<td></td>
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<td></td>
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</tr>
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<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">if</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a> <code class="docutils literal notranslate"><span class="pre">else</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a></p></td>
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<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$IfStmt.html">IfStmt</a></p></td>
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<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ConditionalStmt.html">ConditionalStmt</a></p></td>
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<td rowspan="2"></td>
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</tr>
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<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">if</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a></p></td>
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</tr>
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<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">while</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$WhileStmt.html">WhileStmt</a></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ConditionalStmt.html">ConditionalStmt</a>, <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$LoopStmt.html">LoopStmt</a></p></td>
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<td></td>
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</tr>
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<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">do</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a> <code class="docutils literal notranslate"><span class="pre">while</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$DoStmt.html">DoStmt</a></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ConditionalStmt.html">ConditionalStmt</a>, <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$LoopStmt.html">LoopStmt</a></p></td>
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<td></td>
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</tr>
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<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">for</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ForStmt.html">ForStmt</a></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ConditionalStmt.html">ConditionalStmt</a>, <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$LoopStmt.html">LoopStmt</a></p></td>
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<td></td>
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</tr>
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<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">for</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$VarAccess.html">VarAccess</a> <code class="docutils literal notranslate"><span class="pre">:</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$EnhancedForStmt.html">EnhancedForStmt</a></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$LoopStmt.html">LoopStmt</a></p></td>
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<td></td>
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</tr>
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<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">switch</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$SwitchCase.html">SwitchCase</a> <code class="docutils literal notranslate"><span class="pre">...</span> <span class="pre">}</span></code></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$SwitchStmt.html">SwitchStmt</a></p></td>
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<td></td>
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<td></td>
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</tr>
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<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">try</span> <span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a> <code class="docutils literal notranslate"><span class="pre">...</span> <span class="pre">}</span> <span class="pre">finally</span> <span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a> <code class="docutils literal notranslate"><span class="pre">...</span> <span class="pre">}</span></code></p></td>
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<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$TryStmt.html">TryStmt</a></p></td>
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<td></td>
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<td></td>
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<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">return</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ReturnStmt.html">ReturnStmt</a></p></td>
|
|
<td rowspan="2"></td>
|
|
<td rowspan="2"></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">return</span> <span class="pre">;</span></code></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">throw</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ThrowStmt.html">ThrowStmt</a></p></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">break</span> <span class="pre">;</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$BreakStmt.html">BreakStmt</a></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$JumpStmt.html">JumpStmt</a></p></td>
|
|
<td rowspan="2"></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">break</span> <span class="pre">label</span> <span class="pre">;</span></code></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">continue</span> <span class="pre">;</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ContinueStmt.html">ContinueStmt</a></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$JumpStmt.html">JumpStmt</a></p></td>
|
|
<td rowspan="2"></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">continue</span> <span class="pre">label</span> <span class="pre">;</span></code></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">label</span> <span class="pre">:</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$LabeledStmt.html">LabeledStmt</a></p></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">synchronized</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$SynchronizedStmt.html">SynchronizedStmt</a></p></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">assert</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">:</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$AssertStmt.html">AssertStmt</a></p></td>
|
|
<td rowspan="2"></td>
|
|
<td rowspan="2"></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">assert</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$TypeAccess.html">TypeAccess</a> <code class="docutils literal notranslate"><span class="pre">name</span> <span class="pre">;</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$LocalVariableDeclStmt.html">LocalVariableDeclStmt</a></p></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">class</span> <span class="pre">name</span> <span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Member.qll/type.Member$Member.html">Member</a> <code class="docutils literal notranslate"><span class="pre">...</span> <span class="pre">}</span> <span class="pre">;</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$LocalClassDeclStmt.html">LocalClassDeclStmt</a></p></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">this</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">,</span> <span class="pre">...</span> <span class="pre">)</span> <span class="pre">;</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ThisConstructorInvocationStmt.html">ThisConstructorInvocationStmt</a></p></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">super</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">,</span> <span class="pre">...</span> <span class="pre">)</span> <span class="pre">;</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$SuperConstructorInvocationStmt.html">SuperConstructorInvocationStmt</a></p></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">catch</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$TypeAccess.html">TypeAccess</a> <code class="docutils literal notranslate"><span class="pre">name</span> <span class="pre">)</span> <span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a> <code class="docutils literal notranslate"><span class="pre">...</span> <span class="pre">}</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$CatchClause.html">CatchClause</a></p></td>
|
|
<td></td>
|
|
<td><p>can only occur as child of a <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$TryStmt.html">TryStmt</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">case</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Literal.html">Literal</a> <code class="docutils literal notranslate"><span class="pre">:</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a> <code class="docutils literal notranslate"><span class="pre">...</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$ConstCase.html">ConstCase</a></p></td>
|
|
<td></td>
|
|
<td><p>can only occur as child of a <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$SwitchStmt.html">SwitchStmt</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">default</span> <span class="pre">:</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$Stmt.html">Stmt</a> <code class="docutils literal notranslate"><span class="pre">...</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$DefaultCase.html">DefaultCase</a></p></td>
|
|
<td></td>
|
|
<td><p>can only occur as child of a <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Statement.qll/type.Statement$SwitchStmt.html">SwitchStmt</a></p></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</section>
|
|
<section id="expression-classes">
|
|
<h2>Expression classes<a class="headerlink" href="#expression-classes" title="Link to this heading">¶</a></h2>
|
|
<p>There are many expression classes, so we present them by category. All classes in this section are subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a>.</p>
|
|
<section id="literals">
|
|
<h3>Literals<a class="headerlink" href="#literals" title="Link to this heading">¶</a></h3>
|
|
<p>All classes in this subsection are subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Literal.html">Literal</a>.</p>
|
|
<table class="docutils align-default">
|
|
<thead>
|
|
<tr class="row-odd"><th class="head"><p>Expression syntax example</p></th>
|
|
<th class="head"><p>CodeQL class</p></th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">true</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$BooleanLiteral.html">BooleanLiteral</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">23</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$IntegerLiteral.html">IntegerLiteral</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">23l</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$LongLiteral.html">LongLiteral</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">4.2f</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$FloatingPointLiteral.html">FloatingPointLiteral</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">4.2</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$DoubleLiteral.html">DoubleLiteral</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'a'</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$CharacterLiteral.html">CharacterLiteral</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">"Hello"</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$StringLiteral.html">StringLiteral</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">null</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$NullLiteral.html">NullLiteral</a></p></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</section>
|
|
<section id="unary-expressions">
|
|
<h3>Unary expressions<a class="headerlink" href="#unary-expressions" title="Link to this heading">¶</a></h3>
|
|
<p>All classes in this subsection are subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$UnaryExpr.html">UnaryExpr</a>.</p>
|
|
<table class="docutils align-default">
|
|
<thead>
|
|
<tr class="row-odd"><th class="head"><p>Expression syntax</p></th>
|
|
<th class="head"><p>CodeQL class</p></th>
|
|
<th class="head"><p>Superclasses</p></th>
|
|
<th class="head"><p>Remarks</p></th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a><code class="docutils literal notranslate"><span class="pre">++</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$PostIncExpr.html">PostIncExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$UnaryAssignExpr.html">UnaryAssignExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a><code class="docutils literal notranslate"><span class="pre">--</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$PostDecExpr.html">PostDecExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$UnaryAssignExpr.html">UnaryAssignExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">++</span></code><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$PreIncExpr.html">PreIncExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$UnaryAssignExpr.html">UnaryAssignExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">--</span></code><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$PreDecExpr.html">PreDecExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$UnaryAssignExpr.html">UnaryAssignExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">~</span></code><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$BitNotExpr.html">BitNotExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$BitwiseExpr.html">BitwiseExpr</a></p></td>
|
|
<td><p>see below for other subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$BitwiseExpr.html">BitwiseExpr</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">-</span></code><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$MinusExpr.html">MinusExpr</a></p></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">+</span></code><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$PlusExpr.html">PlusExpr</a></p></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">!</span></code><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$LogNotExpr.html">LogNotExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$LogicExpr.html">LogicExpr</a></p></td>
|
|
<td><p>see below for other subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$LogicExpr.html">LogicExpr</a></p></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</section>
|
|
<section id="binary-expressions">
|
|
<h3>Binary expressions<a class="headerlink" href="#binary-expressions" title="Link to this heading">¶</a></h3>
|
|
<p>All classes in this subsection are subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$BinaryExpr.html">BinaryExpr</a>.</p>
|
|
<table class="docutils align-default">
|
|
<thead>
|
|
<tr class="row-odd"><th class="head"><p>Expression syntax</p></th>
|
|
<th class="head"><p>CodeQL class</p></th>
|
|
<th class="head"><p>Superclasses</p></th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">*</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$MulExpr.html">MulExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">/</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$DivExpr.html">DivExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">%</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$RemExpr.html">RemExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">+</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AddExpr.html">AddExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">-</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$SubExpr.html">SubExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre"><<</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$LShiftExpr.html">LShiftExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">>></span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$RShiftExpr.html">RShiftExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">>>></span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$URShiftExpr.html">URShiftExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&&</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AndLogicalExpr.html">AndLogicalExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$LogicExpr.html">LogicExpr</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">||</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$OrLogicalExpr.html">OrLogicalExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$LogicExpr.html">LogicExpr</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre"><</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$LTExpr.html">LTExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ComparisonExpr.html">ComparisonExpr</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">></span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$GTExpr.html">GTExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ComparisonExpr.html">ComparisonExpr</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre"><=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$LEExpr.html">LEExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ComparisonExpr.html">ComparisonExpr</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">>=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$GEExpr.html">GEExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ComparisonExpr.html">ComparisonExpr</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">==</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$EQExpr.html">EQExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$EqualityTest.html">EqualityTest</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">!=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$NEExpr.html">NEExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$EqualityTest.html">EqualityTest</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AndBitwiseExpr.html">AndBitwiseExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$BitwiseExpr.html">BitwiseExpr</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">|</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$OrBitwiseExpr.html">OrBitwiseExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$BitwiseExpr.html">BitwiseExpr</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">^</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$XorBitwiseExpr.html">XorBitwiseExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$BitwiseExpr.html">BitwiseExpr</a></p></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</section>
|
|
<section id="assignment-expressions">
|
|
<h3>Assignment expressions<a class="headerlink" href="#assignment-expressions" title="Link to this heading">¶</a></h3>
|
|
<p>All classes in this table are subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Assignment.html">Assignment</a>.</p>
|
|
<table class="docutils align-default">
|
|
<thead>
|
|
<tr class="row-odd"><th class="head"><p>Expression syntax</p></th>
|
|
<th class="head"><p>CodeQL class</p></th>
|
|
<th class="head"><p>Superclasses</p></th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignExpr.html">AssignExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">+=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignAddExpr.html">AssignAddExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">-=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignSubExpr.html">AssignSubExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">*=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignMulExpr.html">AssignMulExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">/=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignDivExpr.html">AssignDivExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">%=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignRemExpr.html">AssignRemExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignAndExpr.html">AssignAndExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">|=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOrExpr.html">AssignOrExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">^=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignXorExpr.html">AssignXorExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre"><<=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignLShiftExpr.html">AssignLShiftExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">>>=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignRShiftExpr.html">AssignRShiftExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">>>>=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignURShiftExpr.html">AssignURShiftExpr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$AssignOp.html">AssignOp</a></p></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</section>
|
|
<section id="accesses">
|
|
<h3>Accesses<a class="headerlink" href="#accesses" title="Link to this heading">¶</a></h3>
|
|
<table class="docutils align-default">
|
|
<thead>
|
|
<tr class="row-odd"><th class="head"><p>Expression syntax examples</p></th>
|
|
<th class="head"><p>CodeQL class</p></th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">this</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ThisAccess.html">ThisAccess</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">Outer.this</span></code></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">super</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$SuperAccess.html">SuperAccess</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">Outer.super</span></code></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">x</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$VarAccess.html">VarAccess</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">e.f</span></code></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">a[i]</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ArrayAccess.html">ArrayAccess</a></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">f(...)</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$MethodAccess.html">MethodAccess</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">e.m(...)</span></code></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">String</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$TypeAccess.html">TypeAccess</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">java.lang.String</span></code></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">?</span> <span class="pre">extends</span> <span class="pre">Number</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$WildcardTypeAccess.html">WildcardTypeAccess</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">?</span> <span class="pre">super</span> <span class="pre">Double</span></code></p></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
<p>A <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$VarAccess.html">VarAccess</a> that refers to a field is a <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$FieldAccess.html">FieldAccess</a>.</p>
|
|
</section>
|
|
<section id="miscellaneous">
|
|
<h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Link to this heading">¶</a></h3>
|
|
<table class="docutils align-default">
|
|
<thead>
|
|
<tr class="row-odd"><th class="head"><p>Expression syntax examples</p></th>
|
|
<th class="head"><p>CodeQL class</p></th>
|
|
<th class="head"><p>Remarks</p></th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">(int)</span> <span class="pre">f</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$CastExpr.html">CastExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">o</span> <span class="pre">instanceof</span> <span class="pre">String</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$InstanceOfExpr.html">InstanceOfExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">?</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">:</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ConditionalExpr.html">ConditionalExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">String.</span> <span class="pre">class</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$TypeLiteral.html">TypeLiteral</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">new</span> <span class="pre">A()</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ClassInstanceExpr.html">ClassInstanceExpr</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">new</span> <span class="pre">String[3][2]</span></code></p></td>
|
|
<td rowspan="2"><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ArrayCreationExpr.html">ArrayCreationExpr</a></p></td>
|
|
<td rowspan="2"></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">new</span> <span class="pre">int[]</span> <span class="pre">{</span> <span class="pre">23,</span> <span class="pre">42</span> <span class="pre">}</span></code></p></td>
|
|
</tr>
|
|
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">{</span> <span class="pre">23,</span> <span class="pre">42</span> <span class="pre">}</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ArrayInit.html">ArrayInit</a></p></td>
|
|
<td><p>can only appear as an initializer or as a child of an <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Expr.qll/type.Expr$ArrayCreationExpr.html">ArrayCreationExpr</a></p></td>
|
|
</tr>
|
|
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">@Annot(key=val)</span></code></p></td>
|
|
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/Annotation.qll/type.Annotation$Annotation.html">Annotation</a></p></td>
|
|
<td></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</section>
|
|
</section>
|
|
<section id="further-reading">
|
|
<h2>Further reading<a class="headerlink" href="#further-reading" title="Link to this heading">¶</a></h2>
|
|
<ul class="simple">
|
|
<li><p><a class="reference external" href="https://github.com/github/codeql/tree/main/java/ql/src">CodeQL queries for Java</a></p></li>
|
|
<li><p><a class="reference external" href="https://github.com/github/codeql/tree/main/java/ql/examples">Example queries for Java</a></p></li>
|
|
<li><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/java/">CodeQL library reference for Java</a></p></li>
|
|
</ul>
|
|
<ul class="simple">
|
|
<li><p>“<a class="reference internal" href="../ql-language-reference/index.html#ql-language-reference"><span class="std std-ref">QL language reference</span></a>”</p></li>
|
|
<li><p>“<a class="reference internal" href="../codeql-overview/codeql-tools.html#codeql-tools"><span class="std std-ref">CodeQL tools</span></a>”</p></li>
|
|
</ul>
|
|
</section>
|
|
</section>
|
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|
|
|
</article>
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