1276 lines
46 KiB
HTML
1276 lines
46 KiB
HTML
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>mono-api-methods.html</title>
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height: 12px;
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-webkit-transform: rotate(45deg);
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-moz-transform: rotate(45deg);
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-o-transform: rotate(45deg);
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transform: rotate(45deg);
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position: relative;
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}
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</style>
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</head>
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<body>
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<div class="mapi-docs">
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<h2>Methods</h2>
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<p />Methods are represented by the <code>MonoMethod*</code>
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instances. Various APIs surface these instances, but usually
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you will use the <a href="#method-desc">method description</a>
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API to get a handle to a Mono Method. You can <a href="method-invoking">invoke</a> those methods from C,
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or you can probe <a href="method-working">probe various properties</a> of a method, and in particular
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its <a href="method-signature">method signature</a> or get
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some <a href="method-header">low-level information</a> about them.
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<p />The following code snippet from the Mono runtime shows you
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how to create a managed <code>System.Version</code> instance
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with four integers by looking up the constructor in the
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managed implementation of System.Version, creating an instance
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of the object, and then invoking the constructor on it.
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<div class="mapi-header">
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MonoObject*
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create_version (MonoDomain *domain, guint32 major, guint32 minor, guint32 build, guint32 revision)
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{
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MonoClass *System_Version;
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MonoMethod *create_version;
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MonoError error;
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MonoObject *result;
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gpointer args [4];
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System_Version = mono_class_from_name (mono_defaults.corlib, "System", "Version");
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// Create a method description that we use to search for the
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// constructor method
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MonoMethodDesc *desc = mono_method_desc_new (":.ctor(int,int,int,int)", FALSE);
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create_version = mono_method_desc_search_in_class (desc, System_Version);
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mono_method_desc_free (desc);
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// Setup the parameters to pass.
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args [0] = &major;
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args [1] = &minor;
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args [2] = &build;
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args [3] = &revision;
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// Create the object instance
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result = mono_object_new_checked (domain, System_Version, &error);
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// Raise an exception in case of an error
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mono_error_raise_exception (&error);
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// Otherwise, invoke the constructor
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mono_runtime_invoke (create_version, result, args, NULL);
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// Return ther esult
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return result;
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}
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</div>
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<a name="method-desc"></a>
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<h3>Method Descriptions</h3>
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<p />Methods are represented by the <code>MonoMethod*</code>
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instances. To simplify the process of getting
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a <code>MonoMethod*</code>, you use Method Descriptors, which
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are C-strings that describe the method that you are looking
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for, and then you perform a search in either
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a <a href="mono-api-type.html">type</a>, or a
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loaded <a href="mono-api-image.html">image</a>.
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<p />To describe a method, you use the Method Description API.
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Method descriptions are used to locate a method in the
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executing program. They can either be fully specified, that
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is, they would include the namespace, class, method name and
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all of its arguments or they omit the namespace and arguments
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and even use wildcard matches for the class name and method names.
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<p />You use the fully specified version to identify a
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particular method, or you can use the partial version to find
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a method or a family of methods in the code.
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<p />Method descriptions are typically created from a C string
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representation, and take the following form:
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<p /><code>[namespace.]classname:methodname[(args...)]</code>
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<p />Both classname and methodname can contain the '*' character
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which can be used to match anything. Arguments are separated
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by commas.
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<p />You can use the type shortcuts to match the fully qualified
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parameter types. The supported type shortcuts are:
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<code>char</code>,
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<code>bool</code>,
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<code>byte</code>,
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<code>sbyte</code>,
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<code>uint16</code>,
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<code>int16</code>,
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<code>uint</code>,
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<code>int</code>,
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<code>ulong</code>,
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<code>long</code>,
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<code>uintptr</code>,
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<code>intptr</code>,
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<code>single</code>,
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<code>double</code>,
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<code>string</code> and
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<code>object</code>.
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<p />The type parameters can use the "&" and "*" type modifiers.
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<p />Examples of method descriptions:
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<ul>
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<li>"Monitor:Exit": matches classes and methods called "Monitor.Exit"
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<li>"Monitor:enter_with_atomic_var(object,bool&)":
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matches a method in the class Monitor with two
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specific type parameters.
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<li>":.ctor(int,int,int,int)": matches constructors
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that take four integers.
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<li>"System.Globalization.CultureInfo:CreateCulture(string,bool)":
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matches the CreateCultureMethod that takes a string
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and a boolean on the System.Globalization.CultureInfo class.
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</li></li></li></li></ul>
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<p />You can
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then <a href="api:mono_method_desc_search_in_image">search for
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methods in MonoImages</a>
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or <a href="api:mono_method_desc_search_in_class">search for
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methods in classes</a>.
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<a name="api:mono_method_desc_new"></a>
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<div class="mapi">
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<div class="mapi-entry "><code>mono_method_desc_new</code></div>
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<div class="mapi-height-container">
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<div class="mapi-ptr-container"></div>
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<div class="mapi-description">
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<div class="mapi-ptr"></div>
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<div class="mapi-declaration mapi-section">Syntax</div>
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<div class="mapi-prototype">MonoMethodDesc*
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mono_method_desc_new (const char *name, gboolean include_namespace)
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</div>
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<p />
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<div class="mapi-section">Parameters</div>
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<table class="mapi-parameters"><tbody><tr><td><i>name</i><td> the method name.</td></td></tr><tr><td><i>include_namespace</i><td> whether the name includes a namespace or not.</td></td></tr></tbody></table> <div class="mapi-section">Return value</div>
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<div> a parsed representation of the method description.
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</div>
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<div class="mapi-section">Description</div>
|
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<div> <p />
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Creates a method description for <i>name</i>, which conforms to the following
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specification:
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<p />
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[namespace.]classname:methodname[(args...)]
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<p />
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in all the loaded assemblies.
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<p />
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Both classname and methodname can contain '*' which matches anything.
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<p /></div>
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</div><!--mapi-description -->
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</div><!--height container -->
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</div> <!-- class=mapi -->
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<a name="api:mono_method_desc_free"></a>
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<div class="mapi">
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<div class="mapi-entry "><code>mono_method_desc_free</code></div>
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<div class="mapi-height-container">
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<div class="mapi-ptr-container"></div>
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<div class="mapi-description">
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<div class="mapi-ptr"></div>
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<div class="mapi-declaration mapi-section">Syntax</div>
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<div class="mapi-prototype">void
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mono_method_desc_free (MonoMethodDesc *desc)
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</div>
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<p />
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<div class="mapi-section">Parameters</div>
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<table class="mapi-parameters"><tbody><tr><td><i>desc</i><td> method description to be released</td></td></tr></tbody></table> <div class="mapi-section">Description</div>
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<div> <p />
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Releases the MonoMethodDesc object <i>desc</i>.</div>
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</div><!--mapi-description -->
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</div><!--height container -->
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</div> <!-- class=mapi -->
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<a name="api:mono_method_desc_from_method"></a>
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<div class="mapi">
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<div class="mapi-entry "><code>mono_method_desc_from_method</code></div>
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<div class="mapi-height-container">
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<div class="mapi-ptr-container"></div>
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<div class="mapi-description">
|
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<div class="mapi-ptr"></div>
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<div class="mapi-declaration mapi-section">Syntax</div>
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<div class="mapi-prototype">mono_method_desc_from_method</div>
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<p />
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</div><!--mapi-description -->
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</div><!--height container -->
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</div> <!-- class=mapi -->
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<a name="api:mono_method_desc_full_match"></a>
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<div class="mapi">
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<div class="mapi-entry "><code>mono_method_desc_full_match</code></div>
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<div class="mapi-height-container">
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<div class="mapi-ptr-container"></div>
|
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<div class="mapi-description">
|
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<div class="mapi-ptr"></div>
|
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|
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<div class="mapi-declaration mapi-section">Syntax</div>
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<div class="mapi-prototype">mono_method_desc_full_match</div>
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<p />
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</div><!--mapi-description -->
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</div><!--height container -->
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</div> <!-- class=mapi -->
|
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<a name="api:mono_method_desc_match"></a>
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<div class="mapi">
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<div class="mapi-entry "><code>mono_method_desc_match</code></div>
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<div class="mapi-height-container">
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<div class="mapi-ptr-container"></div>
|
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<div class="mapi-description">
|
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<div class="mapi-ptr"></div>
|
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<div class="mapi-declaration mapi-section">Syntax</div>
|
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<div class="mapi-prototype">mono_method_desc_match</div>
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<p />
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</div><!--mapi-description -->
|
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</div><!--height container -->
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</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_desc_search_in_class"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_desc_search_in_class</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_desc_search_in_class</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_desc_search_in_image"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_desc_search_in_image</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_desc_search_in_image</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
|
|
<a name="method-working"></a>
|
|
<h3>Working with Methods</h3>
|
|
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_full_name"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_full_name</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_full_name</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_class"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_class</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_class</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_flags"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_flags</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_flags</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
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</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_last_managed"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_last_managed</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_last_managed</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_marshal_info"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_marshal_info</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_marshal_info</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_name"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_name</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_name</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_object"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_object</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_object</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_param_names"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_param_names</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_param_names</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_param_token"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_param_token</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_param_token</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_signature"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_signature</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_signature</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_index"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_index</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_index</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_signature_full"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_signature_full</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_signature_full</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_token"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_token</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_token</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_unmanaged_thunk"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_unmanaged_thunk</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">gpointer
|
|
mono_method_get_unmanaged_thunk (MonoMethod *method)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>method</i><td> method to generate a thunk for.</td></td></tr></tbody></table> <div class="mapi-section">Description</div>
|
|
<div> <p />
|
|
Returns an unmanaged->managed thunk that can be used to call
|
|
a managed method directly from C.
|
|
<p />
|
|
The thunk's C signature closely matches the managed signature:
|
|
<p />
|
|
C#: public bool Equals (object obj);
|
|
C: typedef MonoBoolean (*Equals)(MonoObject*,
|
|
MonoObject*, MonoException**);
|
|
<p />
|
|
The 1st ("this") parameter must not be used with static methods:
|
|
<p />
|
|
C#: public static bool ReferenceEquals (object a, object b);
|
|
C: typedef MonoBoolean (*ReferenceEquals)(MonoObject*, MonoObject*,
|
|
MonoException**);
|
|
<p />
|
|
The last argument must be a non-null pointer of a MonoException* pointer.
|
|
It has "out" semantics. After invoking the thunk, *ex will be <code>NULL</code> if no
|
|
exception has been thrown in managed code. Otherwise it will point
|
|
to the MonoException* caught by the thunk. In this case, the result of
|
|
the thunk is undefined:
|
|
<p />
|
|
MonoMethod *method = ... // MonoMethod* of System.Object.Equals
|
|
MonoException *ex = <code>NULL</code>;
|
|
Equals func = mono_method_get_unmanaged_thunk (method);
|
|
MonoBoolean res = func (thisObj, objToCompare, &ex);
|
|
if (ex) {
|
|
// handle exception
|
|
}
|
|
<p />
|
|
The calling convention of the thunk matches the platform's default
|
|
convention. This means that under Windows, C declarations must
|
|
contain the __stdcall attribute:
|
|
<p />
|
|
C: typedef MonoBoolean (__stdcall *Equals)(MonoObject*,
|
|
MonoObject*, MonoException**);
|
|
<p />
|
|
LIMITATIONS
|
|
<p />
|
|
Value type arguments and return values are treated as they were objects:
|
|
<p />
|
|
C#: public static Rectangle Intersect (Rectangle a, Rectangle b);
|
|
C: typedef MonoObject* (*Intersect)(MonoObject*, MonoObject*, MonoException**);
|
|
<p />
|
|
Arguments must be properly boxed upon trunk's invocation, while return
|
|
values must be unboxed.</div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_has_marshal_info"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_has_marshal_info</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_has_marshal_info</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_verify"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_verify</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_verify</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
|
|
<a name="method-invoking"></a>
|
|
<h3>Invoking Methods</h3>
|
|
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_runtime_invoke"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_runtime_invoke</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">MonoObject*
|
|
mono_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>method</i><td> method to invoke</td></td></tr><tr><td><i>obJ</i><td> object instance</td></td></tr><tr><td><i>params</i><td> arguments to the method</td></td></tr><tr><td><i>exc</i><td> exception information.</td></td></tr></tbody></table> <div class="mapi-section">Description</div>
|
|
<div> <p />
|
|
Invokes the method represented by <i>method</i> on the object <i>obj</i>.
|
|
<p />
|
|
obj is the 'this' pointer, it should be <code>NULL</code> for static
|
|
methods, a MonoObject* for object instances and a pointer to
|
|
the value type for value types.
|
|
<p />
|
|
The params array contains the arguments to the method with the
|
|
same convention: MonoObject* pointers for object instances and
|
|
pointers to the value type otherwise.
|
|
<p />
|
|
From unmanaged code you'll usually use the
|
|
mono_runtime_invoke() variant.
|
|
<p />
|
|
Note that this function doesn't handle virtual methods for
|
|
you, it will exec the exact method you pass: we still need to
|
|
expose a function to lookup the derived class implementation
|
|
of a virtual method (there are examples of this in the code,
|
|
though).
|
|
<p />
|
|
You can pass <code>NULL</code> as the exc argument if you don't want to
|
|
catch exceptions, otherwise, *exc will be set to the exception
|
|
thrown, if any. if an exception is thrown, you can't use the
|
|
MonoObject* result from the function.
|
|
<p />
|
|
If the method returns a value type, it is boxed in an object
|
|
reference.</div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
|
|
If you want to invoke generic methods, you must call the method on the
|
|
"inflated" class, which you can obtain from the
|
|
<tt>mono_object_get_class()</tt>
|
|
|
|
<div class="mapi-code">
|
|
MonoClass *clazz;
|
|
MonoMethod *method;
|
|
|
|
clazz = mono_object_get_class (obj);
|
|
|
|
/*
|
|
* If there are more Add methods declared, you
|
|
* may use mono_method_desc_search_in_class (clazz, ":Add(T)"),
|
|
* you must substitute ":Add(T)" with the correct type, for example
|
|
* for List<int>, you would use ":Add(int)".
|
|
*/
|
|
method = mono_class_get_method_from_name (clazz, "Add", 1);
|
|
mono_runtime_invoke (method, obj, args, &exception);
|
|
</div>
|
|
|
|
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_runtime_invoke_array"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_runtime_invoke_array</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">MonoObject*
|
|
mono_runtime_invoke_array (MonoMethod *method, void *obj, MonoArray *params,
|
|
MonoObject **exc)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>method</i><td> method to invoke</td></td></tr><tr><td><i>obJ</i><td> object instance</td></td></tr><tr><td><i>params</i><td> arguments to the method</td></td></tr><tr><td><i>exc</i><td> exception information.</td></td></tr></tbody></table> <div class="mapi-section">Description</div>
|
|
<div> <p />
|
|
Invokes the method represented by <i>method</i> on the object <i>obj</i>.
|
|
<p />
|
|
obj is the 'this' pointer, it should be <code>NULL</code> for static
|
|
methods, a MonoObject* for object instances and a pointer to
|
|
the value type for value types.
|
|
<p />
|
|
The params array contains the arguments to the method with the
|
|
same convention: MonoObject* pointers for object instances and
|
|
pointers to the value type otherwise. The _invoke_array
|
|
variant takes a C# object[] as the params argument (MonoArray
|
|
*params): in this case the value types are boxed inside the
|
|
respective reference representation.
|
|
<p />
|
|
From unmanaged code you'll usually use the
|
|
mono_runtime_invoke_checked() variant.
|
|
<p />
|
|
Note that this function doesn't handle virtual methods for
|
|
you, it will exec the exact method you pass: we still need to
|
|
expose a function to lookup the derived class implementation
|
|
of a virtual method (there are examples of this in the code,
|
|
though).
|
|
<p />
|
|
You can pass <code>NULL</code> as the exc argument if you don't want to
|
|
catch exceptions, otherwise, *exc will be set to the exception
|
|
thrown, if any. if an exception is thrown, you can't use the
|
|
MonoObject* result from the function.
|
|
<p />
|
|
If the method returns a value type, it is boxed in an object
|
|
reference.</div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_runtime_delegate_invoke"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_runtime_delegate_invoke</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">MonoObject*
|
|
mono_runtime_delegate_invoke (MonoObject *delegate, void **params, MonoObject **exc)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>delegate</i><td> pointer to a delegate object.</td></td></tr><tr><td><i>params</i><td> parameters for the delegate.</td></td></tr><tr><td><i>exc</i><td> Pointer to the exception result.</td></td></tr></tbody></table> <div class="mapi-section">Description</div>
|
|
<div> <p />
|
|
Invokes the delegate method <i>delegate</i> with the parameters provided.
|
|
<p />
|
|
You can pass <code>NULL</code> as the exc argument if you don't want to
|
|
catch exceptions, otherwise, *exc will be set to the exception
|
|
thrown, if any. if an exception is thrown, you can't use the
|
|
MonoObject* result from the function.</div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_body_get_object"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_body_get_object</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_body_get_object</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
|
|
<a name="method-signature"></a>
|
|
<h3>Method Signatures</h3>
|
|
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_signature"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_signature</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">MonoMethodSignature*
|
|
mono_method_signature (MonoMethod *m)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Description</div>
|
|
<div> <p />
|
|
Return the signature of the method M. On failure, returns <code>NULL</code>.</div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_signature_explicit_this"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_signature_explicit_this</code></div>
|
|
<div class="mapi-height-container">
|
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<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">gboolean
|
|
mono_signature_explicit_this (MonoMethodSignature *sig)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>sig</i><td> the method signature inspected</td></td></tr></tbody></table> <div class="mapi-section">Return value</div>
|
|
<div> #<code>TRUE</code> if this the method signature <i>sig</i> has an explicit
|
|
|
|
instance argument. #<code>FALSE</code> otherwise.</div>
|
|
<div class="mapi-section">Description</div>
|
|
<div> <p /> </div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_signature_get_call_conv"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_signature_get_call_conv</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">guint32
|
|
mono_signature_get_call_conv (MonoMethodSignature *sig)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>sig</i><td> the method signature inspected</td></td></tr></tbody></table> <div class="mapi-section">Return value</div>
|
|
<div> the call convention of the method signature <i>sig</i>.
|
|
</div>
|
|
<div class="mapi-section">Description</div>
|
|
<div> <p /> </div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_signature_get_desc"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_signature_get_desc</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_signature_get_desc</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_signature_get_param_count"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_signature_get_param_count</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">guint32
|
|
mono_signature_get_param_count (MonoMethodSignature *sig)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>sig</i><td> the method signature inspected</td></td></tr></tbody></table> <div class="mapi-section">Return value</div>
|
|
<div> the number of parameters in the method signature <i>sig</i>.
|
|
</div>
|
|
<div class="mapi-section">Description</div>
|
|
<div> <p /> </div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_signature_get_params"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_signature_get_params</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">MonoType*
|
|
mono_signature_get_params (MonoMethodSignature *sig, gpointer *iter)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>sig</i><td> the method signature inspected</td></td></tr><tr><td><i>iter</i><td> pointer to an iterator</td></td></tr></tbody></table> <div class="mapi-section">Return value</div>
|
|
<div> the next parameter type of the method signature <i>sig</i>,
|
|
|
|
#<code>NULL</code> when finished.</div>
|
|
<div class="mapi-section">Description</div>
|
|
<div> <p />
|
|
Iterates over the parameters for the method signature <i>sig</i>.
|
|
A void* pointer must be initualized to #<code>NULL</code> to start the iteration
|
|
and it's address is passed to this function repeteadly until it returns
|
|
#<code>NULL</code>.
|
|
<p /></div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_signature_get_return_type"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_signature_get_return_type</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">MonoType*
|
|
mono_signature_get_return_type (MonoMethodSignature *sig)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>sig</i><td> the method signature inspected</td></td></tr></tbody></table> <div class="mapi-section">Return value</div>
|
|
<div> the return type of the method signature <i>sig</i>
|
|
</div>
|
|
<div class="mapi-section">Description</div>
|
|
<div> <p /> </div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_signature_hash"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_signature_hash</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_signature_hash</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_signature_is_instance"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_signature_is_instance</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">gboolean
|
|
mono_signature_is_instance (MonoMethodSignature *sig)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>sig</i><td> the method signature inspected</td></td></tr></tbody></table> <div class="mapi-section">Return value</div>
|
|
<div> #<code>TRUE</code> if this the method signature <i>sig</i> has an implicit
|
|
|
|
first instance argument. #<code>FALSE</code> otherwise.</div>
|
|
<div class="mapi-section">Description</div>
|
|
<div> <p /> </div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_signature_param_is_out"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_signature_param_is_out</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_bool
|
|
mono_signature_param_is_out (MonoMethodSignature *sig, int param_num)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>sig</i><td> the method signature inspected</td></td></tr><tr><td><i>param_num</i><td> the 0-based index of the inspected parameter</td></td></tr></tbody></table> <div class="mapi-section">Return value</div>
|
|
<div> #<code>TRUE</code> if the parameter is an out parameter, #<code>FALSE</code>
|
|
|
|
otherwise.</div>
|
|
<div class="mapi-section">Description</div>
|
|
<div> <p /> </div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_signature_vararg_start"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_signature_vararg_start</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">int
|
|
mono_signature_vararg_start (MonoMethodSignature *sig)
|
|
|
|
</div>
|
|
<p />
|
|
<div class="mapi-section">Parameters</div>
|
|
<table class="mapi-parameters"><tbody><tr><td><i>sig</i><td> the method signature inspected</td></td></tr></tbody></table> <div class="mapi-section">Return value</div>
|
|
<div> the number of the first vararg parameter in the
|
|
|
|
method signature <i>sig</i>. -1 if this is not a vararg signature.</div>
|
|
<div class="mapi-section">Description</div>
|
|
<div> <p /> </div>
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_param_get_objects"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_param_get_objects</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_param_get_objects</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_get_method_full"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_get_method_full</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_get_method_full</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_get_method"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_get_method</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_get_method</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
|
|
<a name="method-header"></a>
|
|
<h3>Methods Header Operations</h3>
|
|
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_get_header"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_get_header</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_get_header</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_header_get_clauses"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_header_get_clauses</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_header_get_clauses</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_header_get_code"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_header_get_code</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_header_get_code</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div> <!-- class=mapi -->
|
|
|
|
<a name="api:mono_method_header_get_locals"></a>
|
|
<div class="mapi">
|
|
<div class="mapi-entry "><code>mono_method_header_get_locals</code></div>
|
|
<div class="mapi-height-container">
|
|
<div class="mapi-ptr-container"></div>
|
|
<div class="mapi-description">
|
|
<div class="mapi-ptr"></div>
|
|
|
|
<div class="mapi-declaration mapi-section">Syntax</div>
|
|
<div class="mapi-prototype">mono_method_header_get_locals</div>
|
|
<p />
|
|
</div><!--mapi-description -->
|
|
</div><!--height container -->
|
|
</div>
|
|
</div></body>
|
|
</html>
|