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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>JavaFrontend__JContext (infer.JavaFrontend__JContext)</title><link rel="stylesheet" href="../../odoc.css"/><meta charset="utf-8"/><meta name="generator" content="odoc 1.5.1"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body><div class="content"><header><nav><a href="../index.html">Up</a> – <a href="../index.html">infer</a> » JavaFrontend__JContext</nav><h1>Module <code>JavaFrontend__JContext</code></h1></header><dl><dt class="spec type" id="type-jump_kind"><a href="#type-jump_kind" class="anchor"></a><code><span class="keyword">type</span> jump_kind</code><code> = </code><table class="variant"><tr id="type-jump_kind.Next" class="anchored"><td class="def constructor"><a href="#type-jump_kind.Next" class="anchor"></a><code>| </code><code><span class="constructor">Next</span></code></td></tr><tr id="type-jump_kind.Jump" class="anchored"><td class="def constructor"><a href="#type-jump_kind.Jump" class="anchor"></a><code>| </code><code><span class="constructor">Jump</span> <span class="keyword">of</span> int</code></td></tr><tr id="type-jump_kind.Exit" class="anchored"><td class="def constructor"><a href="#type-jump_kind.Exit" class="anchor"></a><code>| </code><code><span class="constructor">Exit</span></code></td></tr></table></dt><dd><p>data structure for representing whether an instruction is a goto, a return or a standard instruction.</p></dd></dl><dl><dt class="spec module" id="module-NodeTbl"><a href="#module-NodeTbl" class="anchor"></a><code><span class="keyword">module</span> NodeTbl : <a href="../IStdlib/index.html#module-IStd">IStdlib.IStd</a>.Caml.Hashtbl.S <span class="keyword">with</span> <span class="keyword">type</span> <a href="index.html#module-NodeTbl">NodeTbl</a>.key = <a href="../IR/Procdesc/Node/index.html#type-t">IR.Procdesc.Node.t</a></code></dt><dd><p>Hastable for storing nodes that correspond to if-instructions. These are used when adding the edges in the contrl flow graph.</p></dd></dl><dl><dt class="spec type" id="type-icfg"><a href="#type-icfg" class="anchor"></a><code><span class="keyword">type</span> icfg</code><code> = </code><code>{</code><table class="record"><tr id="type-icfg.tenv" class="anchored"><td class="def field"><a href="#type-icfg.tenv" class="anchor"></a><code>tenv : <a href="../IR/Tenv/index.html#type-t">IR.Tenv.t</a>;</code></td></tr><tr id="type-icfg.cfg" class="anchored"><td class="def field"><a href="#type-icfg.cfg" class="anchor"></a><code>cfg : <a href="../IR/Cfg/index.html#type-t">IR.Cfg.t</a>;</code></td></tr></table><code>}</code></dt><dd><p>data structure for saving the three structures tht contain the intermediate representation of a file: the type environment, the control graph and the control flow graph</p></dd></dl><dl><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span class="keyword">type</span> t</code><code> = <span class="keyword">private</span> </code><code>{</code><table class="record"><tr id="type-t.icfg" class="anchored"><td class="def field"><a href="#type-t.icfg" class="anchor"></a><code>icfg : <a href="index.html#type-icfg">icfg</a>;</code></td></tr><tr id="type-t.procdesc" class="anchored"><td class="def field"><a href="#type-t.procdesc" class="anchor"></a><code>procdesc : <a href="../IR/Procdesc/index.html#type-t">IR.Procdesc.t</a>;</code></td></tr><tr id="type-t.impl" class="anchored"><td class="def field"><a href="#type-t.impl" class="anchor"></a><code>impl : Sawja_pack.JBir.t;</code></td></tr><tr id="type-t.var_map" class="anchored"><td class="def field"><a href="#type-t.var_map" class="anchor"></a><code><span class="keyword">mutable</span> var_map : <span><span>(<a href="../IR/Pvar/index.html#type-t">IR.Pvar.t</a> * <a href="../IR/Typ/index.html#type-t">IR.Typ.t</a> * <a href="../IR/Typ/index.html#type-t">IR.Typ.t</a>)</span> Sawja_pack.JBir.VarMap.t</span>;</code></td></tr><tr id="type-t.if_jumps" class="anchored"><td class="def field"><a href="#type-t.if_jumps" class="anchor"></a><code>if_jumps : <span>int <a href="index.html#module-NodeTbl">NodeTbl</a>.t</span>;</code></td></tr><tr id="type-t.goto_jumps" class="anchored"><td class="def field"><a href="#type-t.goto_jumps" class="anchor"></a><code>goto_jumps : <span><span>(int, <a href="index.html#type-jump_kind">jump_kind</a>)</span> <a href="../IStdlib/index.html#module-IStd">IStdlib.IStd</a>.Caml.Hashtbl.t</span>;</code></td></tr><tr id="type-t.cn" class="anchored"><td class="def field"><a href="#type-t.cn" class="anchor"></a><code>cn : Javalib_pack.JBasics.class_name;</code></td></tr><tr id="type-t.source_file" class="anchored"><td class="def field"><a href="#type-t.source_file" class="anchor"></a><code>source_file : <a href="../IBase/SourceFile/index.html#type-t">IBase.SourceFile.t</a>;</code></td></tr><tr id="type-t.program" class="anchored"><td class="def field"><a href="#type-t.program" class="anchor"></a><code>program : <a href="../JavaFrontend/JProgramDesc/index.html#type-t">JavaFrontend.JProgramDesc.t</a>;</code></td></tr></table><code>}</code></dt><dd><p>data structure for storing the context elements.</p></dd></dl><dl><dt class="spec value" id="val-create_context"><a href="#val-create_context" class="anchor"></a><code><span class="keyword">val</span> create_context : <a href="index.html#type-icfg">icfg</a> <span>-></span> <a href="../IR/Procdesc/index.html#type-t">IR.Procdesc.t</a> <span>-></span> Sawja_pack.JBir.t <span>-></span> Javalib_pack.JBasics.class_name <span>-></span> <a href="../IBase/SourceFile/index.html#type-t">IBase.SourceFile.t</a> <span>-></span> <a href="../JavaFrontend/JProgramDesc/index.html#type-t">JavaFrontend.JProgramDesc.t</a> <span>-></span> <a href="index.html#type-t">t</a></code></dt><dd><p>cretes a context for a given method.</p></dd></dl><dl><dt class="spec value" id="val-get_tenv"><a href="#val-get_tenv" class="anchor"></a><code><span class="keyword">val</span> get_tenv : <a href="index.html#type-t">t</a> <span>-></span> <a href="../IR/Tenv/index.html#type-t">IR.Tenv.t</a></code></dt><dd><p>returns the type environment that corresponds to the current file.</p></dd></dl><dl><dt class="spec value" id="val-add_if_jump"><a href="#val-add_if_jump" class="anchor"></a><code><span class="keyword">val</span> add_if_jump : <a href="index.html#type-t">t</a> <span>-></span> <a href="../IR/Procdesc/Node/index.html#type-t">IR.Procdesc.Node.t</a> <span>-></span> int <span>-></span> unit</code></dt><dd><p>adds to the context the line that an if-node will jump to</p></dd></dl><dl><dt class="spec value" id="val-get_if_jump"><a href="#val-get_if_jump" class="anchor"></a><code><span class="keyword">val</span> get_if_jump : <a href="index.html#type-t">t</a> <span>-></span> <a href="../IR/Procdesc/Node/index.html#type-t">IR.Procdesc.Node.t</a> <span>-></span> <span>int option</span></code></dt><dd><p>returns whether the given node corresponds to an if-instruction</p></dd></dl><dl><dt class="spec value" id="val-add_goto_jump"><a href="#val-add_goto_jump" class="anchor"></a><code><span class="keyword">val</span> add_goto_jump : <a href="index.html#type-t">t</a> <span>-></span> int <span>-></span> <a href="index.html#type-jump_kind">jump_kind</a> <span>-></span> unit</code></dt><dd><p>adds to the context the line that the node in the given line will jump to.</p></dd></dl><dl><dt class="spec value" id="val-get_goto_jump"><a href="#val-get_goto_jump" class="anchor"></a><code><span class="keyword">val</span> get_goto_jump : <a href="index.html#type-t">t</a> <span>-></span> int <span>-></span> <a href="index.html#type-jump_kind">jump_kind</a></code></dt><dd><p>if the given line corresponds to a goto instruction, then returns the line where it jumps to, otherwise returns the next line.</p></dd></dl><dl><dt class="spec value" id="val-is_goto_jump"><a href="#val-is_goto_jump" class="anchor"></a><code><span class="keyword">val</span> is_goto_jump : <a href="index.html#type-t">t</a> <span>-></span> int <span>-></span> bool</code></dt><dd><p>returns whether the given line corresponds to a goto instruction.</p></dd></dl><dl><dt class="spec value" id="val-set_pvar"><a href="#val-set_pvar" class="anchor"></a><code><span class="keyword">val</span> set_pvar : <a href="index.html#type-t">t</a> <span>-></span> Sawja_pack.JBir.var <span>-></span> <a href="../IR/Typ/index.html#type-t">IR.Typ.t</a> <span>-></span> <a href="../IR/Pvar/index.html#type-t">IR.Pvar.t</a></code></dt><dd><p><code>set_pvar context var type</code> adds a variable with a type to the context</p></dd></dl><dl><dt class="spec value" id="val-get_var_type"><a href="#val-get_var_type" class="anchor"></a><code><span class="keyword">val</span> get_var_type : <a href="index.html#type-t">t</a> <span>-></span> Sawja_pack.JBir.var <span>-></span> <span><a href="../IR/Typ/index.html#type-t">IR.Typ.t</a> option</span></code></dt><dd><p><code>get_var_type context var</code> returns the type of the variable, if the variable is in the context</p></dd></dl><dl><dt class="spec value" id="val-reset_pvar_type"><a href="#val-reset_pvar_type" class="anchor"></a><code><span class="keyword">val</span> reset_pvar_type : <a href="index.html#type-t">t</a> <span>-></span> unit</code></dt><dd><p>resets the dynamic type of the variables in the context.</p></dd></dl><dl><dt class="spec value" id="val-reset_exn_node_table"><a href="#val-reset_exn_node_table" class="anchor"></a><code><span class="keyword">val</span> reset_exn_node_table : unit <span>-></span> unit</code></dt><dd><p>resets the hashtable mapping methods to their exception nodes</p></dd></dl><dl><dt class="spec value" id="val-add_exn_node"><a href="#val-add_exn_node" class="anchor"></a><code><span class="keyword">val</span> add_exn_node : <a href="../IR/Procname/index.html#type-t">IR.Procname.t</a> <span>-></span> <a href="../IR/Procdesc/Node/index.html#type-t">IR.Procdesc.Node.t</a> <span>-></span> unit</code></dt><dd><p>adds the exception node for a given method</p></dd></dl></div></body></html>