File: C:/Ruby27-x64/share/doc/ruby/html/IRB/Context.html
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<h3>Parent</h3>
<p class="link"><a href="../Object.html">Object</a>
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<h3>Extended With Modules</h3>
<ul class="link-list">
<li><a class="extend" href="ExtendCommandBundle.html">IRB::ExtendCommandBundle</a>
<li><a class="extend" href="ExtendCommandBundle.html">IRB::ExtendCommandBundle</a>
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<!-- Method Quickref -->
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<h3>Methods</h3>
<ul class="link-list" role="directory">
<li ><a href="#method-c-new">::new</a>
<li ><a href="#method-i-__exit__">#__exit__</a>
<li ><a href="#method-i-_set_last_value">#_set_last_value</a>
<li ><a href="#method-i-change_workspace">#change_workspace</a>
<li ><a href="#method-i-eval_history-3D">#eval_history=</a>
<li ><a href="#method-i-exit">#exit</a>
<li ><a href="#method-i-file_input-3F">#file_input?</a>
<li ><a href="#method-i-history_file">#history_file</a>
<li ><a href="#method-i-history_file-3D">#history_file=</a>
<li ><a href="#method-i-home_workspace">#home_workspace</a>
<li ><a href="#method-i-inspect-3F">#inspect?</a>
<li ><a href="#method-i-inspect_mode-3D">#inspect_mode=</a>
<li ><a href="#method-i-irb_level">#irb_level</a>
<li ><a href="#method-i-main">#main</a>
<li ><a href="#method-i-pop_workspace">#pop_workspace</a>
<li ><a href="#method-i-prompt_mode-3D">#prompt_mode=</a>
<li ><a href="#method-i-prompting-3F">#prompting?</a>
<li ><a href="#method-i-push_workspace">#push_workspace</a>
<li ><a href="#method-i-save_history">#save_history</a>
<li ><a href="#method-i-save_history-3D">#save_history=</a>
<li ><a href="#method-i-set_last_value">#set_last_value</a>
<li ><a href="#method-i-use_loader">#use_loader</a>
<li ><a href="#method-i-use_loader-3D">#use_loader=</a>
<li ><a href="#method-i-use_loader-3F">#use_loader?</a>
<li ><a href="#method-i-use_tracer-3D">#use_tracer=</a>
<li ><a href="#method-i-verbose-3F">#verbose?</a>
<li ><a href="#method-i-workspaces">#workspaces</a>
</ul>
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<main role="main" aria-labelledby="class-IRB::Context">
<h1 id="class-IRB::Context" class="class">
class IRB::Context
</h1>
<section class="description">
<p>A class that wraps the current state of the irb session, including the configuration of <a href="../IRB.html#method-c-conf"><code>IRB.conf</code></a>.</p>
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section class="attribute-method-details" class="method-section">
<header>
<h3>Attributes</h3>
</header>
<div id="attribute-i-ap_name" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">ap_name</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>A copy of the default <code>IRB.conf[:AP_NAME]</code></p>
</div>
</div>
<div id="attribute-i-auto_indent_mode" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">auto_indent_mode</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Can be either the default <code>IRB.conf[:AUTO_INDENT]</code>, or the mode set by <a href="Context.html#method-i-prompt_mode-3D"><code>prompt_mode=</code></a></p>
<p>To disable auto-indentation in irb:</p>
<pre class="ruby"><span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:AUTO_INDENT</span>] = <span class="ruby-keyword">false</span>
</pre>
<p>or</p>
<pre class="ruby"><span class="ruby-identifier">irb_context</span>.<span class="ruby-identifier">auto_indent_mode</span> = <span class="ruby-keyword">false</span>
</pre>
<p>or</p>
<pre class="ruby"><span class="ruby-constant">IRB</span>.<span class="ruby-constant">CurrentContext</span>.<span class="ruby-identifier">auto_indent_mode</span> = <span class="ruby-keyword">false</span>
</pre>
<p>See Configuration at <code>IRB</code> for more information.</p>
</div>
</div>
<div id="attribute-i-back_trace_limit" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">back_trace_limit</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>The limit of backtrace lines displayed as top <code>n</code> and tail <code>n</code>.</p>
<p>The default value is 16.</p>
<p>Can also be set using the <code>--back-trace-limit</code> command line option.</p>
<p>See Command line options at <code>IRB</code> for more command line options.</p>
</div>
</div>
<div id="attribute-i-echo" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">echo</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether to echo the return value to output or not.</p>
<p>Uses <code>IRB.conf[:ECHO]</code> if available, or defaults to <code>true</code>.</p>
<pre class="ruby"><span class="ruby-identifier">puts</span> <span class="ruby-string">"hello"</span>
<span class="ruby-comment"># hello</span>
<span class="ruby-comment">#=> nil</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-constant">CurrentContext</span>.<span class="ruby-identifier">echo</span> = <span class="ruby-keyword">false</span>
<span class="ruby-identifier">puts</span> <span class="ruby-string">"omg"</span>
<span class="ruby-comment"># omg</span>
</pre>
</div>
</div>
<div id="attribute-i-echo-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">echo?</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether to echo the return value to output or not.</p>
<p>Uses <code>IRB.conf[:ECHO]</code> if available, or defaults to <code>true</code>.</p>
<pre class="ruby"><span class="ruby-identifier">puts</span> <span class="ruby-string">"hello"</span>
<span class="ruby-comment"># hello</span>
<span class="ruby-comment">#=> nil</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-constant">CurrentContext</span>.<span class="ruby-identifier">echo</span> = <span class="ruby-keyword">false</span>
<span class="ruby-identifier">puts</span> <span class="ruby-string">"omg"</span>
<span class="ruby-comment"># omg</span>
</pre>
</div>
</div>
<div id="attribute-i-echo_on_assignment" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">echo_on_assignment</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether to echo for assignment expressions</p>
<p>Uses <code>IRB.conf[:ECHO_ON_ASSIGNMENT]</code> if available, or defaults to <code>true</code>.</p>
<pre class="ruby"><span class="ruby-identifier">a</span> = <span class="ruby-string">"omg"</span>
<span class="ruby-comment">#=> omg</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-constant">CurrentContext</span>.<span class="ruby-identifier">echo_on_assignment</span> = <span class="ruby-keyword">false</span>
<span class="ruby-identifier">a</span> = <span class="ruby-string">"omg"</span>
</pre>
</div>
</div>
<div id="attribute-i-echo_on_assignment-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">echo_on_assignment?</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether to echo for assignment expressions</p>
<p>Uses <code>IRB.conf[:ECHO_ON_ASSIGNMENT]</code> if available, or defaults to <code>true</code>.</p>
<pre class="ruby"><span class="ruby-identifier">a</span> = <span class="ruby-string">"omg"</span>
<span class="ruby-comment">#=> omg</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-constant">CurrentContext</span>.<span class="ruby-identifier">echo_on_assignment</span> = <span class="ruby-keyword">false</span>
<span class="ruby-identifier">a</span> = <span class="ruby-string">"omg"</span>
</pre>
</div>
</div>
<div id="attribute-i-eval_history" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">eval_history</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>The command result history limit. This method is not available until <a href="Context.html#method-i-eval_history-3D"><code>eval_history=</code></a> was called with non-nil value (directly or via setting <code>IRB.conf[:EVAL_HISTORY]</code> in <code>.irbrc</code>).</p>
</div>
</div>
<div id="attribute-i-ignore_eof" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">ignore_eof</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether <code>^D</code> (<code>control-d</code>) will be ignored or not.</p>
<p>If set to <code>false</code>, <code>^D</code> will quit irb.</p>
</div>
</div>
<div id="attribute-i-ignore_eof-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">ignore_eof?</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether <code>^D</code> (<code>control-d</code>) will be ignored or not.</p>
<p>If set to <code>false</code>, <code>^D</code> will quit irb.</p>
</div>
</div>
<div id="attribute-i-ignore_sigint" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">ignore_sigint</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether <code>^C</code> (<code>control-c</code>) will be ignored or not.</p>
<p>If set to <code>false</code>, <code>^C</code> will quit irb.</p>
<p>If set to <code>true</code>,</p>
<ul><li>
<p>during input: cancel input then return to top level.</p>
</li><li>
<p>during execute: abandon current execution.</p>
</li></ul>
</div>
</div>
<div id="attribute-i-ignore_sigint-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">ignore_sigint?</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether <code>^C</code> (<code>control-c</code>) will be ignored or not.</p>
<p>If set to <code>false</code>, <code>^C</code> will quit irb.</p>
<p>If set to <code>true</code>,</p>
<ul><li>
<p>during input: cancel input then return to top level.</p>
</li><li>
<p>during execute: abandon current execution.</p>
</li></ul>
</div>
</div>
<div id="attribute-i-inspect_mode" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">inspect_mode</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>A copy of the default <code>IRB.conf[:INSPECT_MODE]</code></p>
</div>
</div>
<div id="attribute-i-io" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">io</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>The current input method</p>
<p>Can be either <a href="StdioInputMethod.html"><code>StdioInputMethod</code></a>, <a href="ReadlineInputMethod.html"><code>ReadlineInputMethod</code></a>, <a href="ReidlineInputMethod.html"><code>ReidlineInputMethod</code></a>, <a href="FileInputMethod.html"><code>FileInputMethod</code></a> or other specified when the context is created. See <a href="Context.html#method-c-new"><code>::new</code></a> for more # information on <code>input_method</code>.</p>
</div>
</div>
<div id="attribute-i-irb" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">irb</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Current irb session</p>
</div>
</div>
<div id="attribute-i-irb_name" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">irb_name</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Can be either name from <code>IRB.conf[:IRB_NAME]</code>, or the number of the current job set by <a href="JobManager.html"><code>JobManager</code></a>, such as <code>irb#2</code></p>
</div>
</div>
<div id="attribute-i-irb_path" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">irb_path</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Can be either the <a href="Context.html#attribute-i-irb_name"><code>irb_name</code></a> surrounded by parenthesis, or the <code>input_method</code> passed to <a href="Context.html#method-c-new"><code>Context.new</code></a></p>
</div>
</div>
<div id="attribute-i-last_value" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">last_value</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>The return value of the last statement evaluated.</p>
</div>
</div>
<div id="attribute-i-load_modules" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">load_modules</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>A copy of the default <code>IRB.conf[:LOAD_MODULES]</code></p>
</div>
</div>
<div id="attribute-i-newline_before_multiline_output" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">newline_before_multiline_output</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether a newline is put before multiline output.</p>
<p>Uses <code>IRB.conf[:NEWLINE_BEFORE_MULTILINE_OUTPUT]</code> if available, or defaults to <code>true</code>.</p>
<pre>"abc\ndef"
#=>
abc
def
IRB.CurrentContext.newline_before_multiline_output = false
"abc\ndef"
#=> abc
def</pre>
</div>
</div>
<div id="attribute-i-newline_before_multiline_output-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">newline_before_multiline_output?</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether a newline is put before multiline output.</p>
<p>Uses <code>IRB.conf[:NEWLINE_BEFORE_MULTILINE_OUTPUT]</code> if available, or defaults to <code>true</code>.</p>
<pre>"abc\ndef"
#=>
abc
def
IRB.CurrentContext.newline_before_multiline_output = false
"abc\ndef"
#=> abc
def</pre>
</div>
</div>
<div id="attribute-i-omit_on_assignment" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">omit_on_assignment</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether to omit echo for assignment expressions</p>
<p>Uses <code>IRB.conf[:OMIT_ON_ASSIGNMENT]</code> if available, or defaults to <code>true</code>.</p>
<pre class="ruby"><span class="ruby-identifier">a</span> = [<span class="ruby-value">1</span>] <span class="ruby-operator">*</span> <span class="ruby-value">10</span>
<span class="ruby-comment">#=> [1, 1, 1, 1, 1, 1, 1, 1, ...</span>
[<span class="ruby-value">1</span>] <span class="ruby-operator">*</span> <span class="ruby-value">10</span>
<span class="ruby-comment">#=> [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-constant">CurrentContext</span>.<span class="ruby-identifier">omit_on_assignment</span> = <span class="ruby-keyword">false</span>
<span class="ruby-identifier">a</span> = [<span class="ruby-value">1</span>] <span class="ruby-operator">*</span> <span class="ruby-value">10</span>
<span class="ruby-comment">#=> [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]</span>
[<span class="ruby-value">1</span>] <span class="ruby-operator">*</span> <span class="ruby-value">10</span>
<span class="ruby-comment">#=> [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]</span>
</pre>
</div>
</div>
<div id="attribute-i-omit_on_assignment-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">omit_on_assignment?</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether to omit echo for assignment expressions</p>
<p>Uses <code>IRB.conf[:OMIT_ON_ASSIGNMENT]</code> if available, or defaults to <code>true</code>.</p>
<pre class="ruby"><span class="ruby-identifier">a</span> = [<span class="ruby-value">1</span>] <span class="ruby-operator">*</span> <span class="ruby-value">10</span>
<span class="ruby-comment">#=> [1, 1, 1, 1, 1, 1, 1, 1, ...</span>
[<span class="ruby-value">1</span>] <span class="ruby-operator">*</span> <span class="ruby-value">10</span>
<span class="ruby-comment">#=> [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-constant">CurrentContext</span>.<span class="ruby-identifier">omit_on_assignment</span> = <span class="ruby-keyword">false</span>
<span class="ruby-identifier">a</span> = [<span class="ruby-value">1</span>] <span class="ruby-operator">*</span> <span class="ruby-value">10</span>
<span class="ruby-comment">#=> [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]</span>
[<span class="ruby-value">1</span>] <span class="ruby-operator">*</span> <span class="ruby-value">10</span>
<span class="ruby-comment">#=> [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]</span>
</pre>
</div>
</div>
<div id="attribute-i-prompt_c" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">prompt_c</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>IRB prompt for continuated statement (e.g. immediately after an <code>if</code>)</p>
<p>See IRB for more information.</p>
</div>
</div>
<div id="attribute-i-prompt_i" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">prompt_i</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Standard IRB prompt</p>
<p>See IRB for more information.</p>
</div>
</div>
<div id="attribute-i-prompt_mode" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">prompt_mode</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>A copy of the default <code>IRB.conf[:PROMPT_MODE]</code></p>
</div>
</div>
<div id="attribute-i-prompt_n" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">prompt_n</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>See Customizing the IRB Prompt at <code>IRB</code> for more information.</p>
</div>
</div>
<div id="attribute-i-prompt_s" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">prompt_s</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>IRB prompt for continuated strings</p>
<p>See IRB for more information.</p>
</div>
</div>
<div id="attribute-i-rc" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">rc</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>A copy of the default <code>IRB.conf[:RC]</code></p>
</div>
</div>
<div id="attribute-i-rc-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">rc?</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>A copy of the default <code>IRB.conf[:RC]</code></p>
</div>
</div>
<div id="attribute-i-return_format" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">return_format</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>The format of the return statement, set by <a href="Context.html#method-i-prompt_mode-3D"><code>prompt_mode=</code></a> using the <code>:RETURN</code> of the <code>mode</code> passed to set the current <a href="Context.html#attribute-i-prompt_mode"><code>prompt_mode</code></a>.</p>
</div>
</div>
<div id="attribute-i-thread" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">thread</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>The current thread in this context</p>
</div>
</div>
<div id="attribute-i-use_colorize" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_colorize</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether colorization is enabled or not.</p>
<p>A copy of the default <code>IRB.conf[:USE_COLORIZE]</code></p>
</div>
</div>
<div id="attribute-i-use_colorize-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_colorize?</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether colorization is enabled or not.</p>
<p>A copy of the default <code>IRB.conf[:USE_COLORIZE]</code></p>
</div>
</div>
<div id="attribute-i-use_multiline" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_multiline</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether multiline editor mode is enabled or not.</p>
<p>A copy of the default <code>IRB.conf[:USE_MULTILINE]</code></p>
</div>
</div>
<div id="attribute-i-use_multiline-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_multiline?</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether multiline editor mode is enabled or not.</p>
<p>A copy of the default <code>IRB.conf[:USE_MULTILINE]</code></p>
</div>
</div>
<div id="attribute-i-use_readline" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_readline</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether singleline editor mode is enabled or not.</p>
<p>A copy of the default <code>IRB.conf[:USE_SINGLELINE]</code></p>
</div>
</div>
<div id="attribute-i-use_readline-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_readline?</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether singleline editor mode is enabled or not.</p>
<p>A copy of the default <code>IRB.conf[:USE_SINGLELINE]</code></p>
</div>
</div>
<div id="attribute-i-use_reidline" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_reidline</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether multiline editor mode is enabled or not.</p>
<p>A copy of the default <code>IRB.conf[:USE_MULTILINE]</code></p>
</div>
</div>
<div id="attribute-i-use_reidline-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_reidline?</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether multiline editor mode is enabled or not.</p>
<p>A copy of the default <code>IRB.conf[:USE_MULTILINE]</code></p>
</div>
</div>
<div id="attribute-i-use_singleline" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_singleline</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether singleline editor mode is enabled or not.</p>
<p>A copy of the default <code>IRB.conf[:USE_SINGLELINE]</code></p>
</div>
</div>
<div id="attribute-i-use_singleline-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_singleline?</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether singleline editor mode is enabled or not.</p>
<p>A copy of the default <code>IRB.conf[:USE_SINGLELINE]</code></p>
</div>
</div>
<div id="attribute-i-use_tracer" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_tracer</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether <a href="../Tracer.html"><code>Tracer</code></a> is used when evaluating statements in this context.</p>
<p>See <code>lib/tracer.rb</code> for more information.</p>
</div>
</div>
<div id="attribute-i-use_tracer-3F" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">use_tracer?</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>Whether <a href="../Tracer.html"><code>Tracer</code></a> is used when evaluating statements in this context.</p>
<p>See <code>lib/tracer.rb</code> for more information.</p>
</div>
</div>
<div id="attribute-i-verbose" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">verbose</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p>Whether verbose messages are displayed or not.</p>
<p>A copy of the default <code>IRB.conf[:VERBOSE]</code></p>
</div>
</div>
<div id="attribute-i-workspace" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">workspace</span><span
class="attribute-access-type">[RW]</span>
</div>
<div class="method-description">
<p><a href="WorkSpace.html"><code>WorkSpace</code></a> in the current context</p>
</div>
</div>
<div id="attribute-i-workspace_home" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">workspace_home</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
<p>The toplevel workspace, see <a href="Context.html#method-i-home_workspace"><code>home_workspace</code></a></p>
</div>
</div>
</section>
<section id="public-class-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Class Methods</h3>
</header>
<div id="method-c-new" class="method-detail ">
<div class="method-heading">
<span class="method-name">new</span><span
class="method-args">(irb, workspace = nil, input_method = nil)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Creates a new IRB context.</p>
<p>The optional <code>input_method</code> argument:</p>
<dl class="rdoc-list note-list"><dt><code>nil</code>
<dd>
<p>uses stdin or Reidline or <a href="../Readline.html"><code>Readline</code></a></p>
</dd><dt><code>String</code>
<dd>
<p>uses a <a href="../File.html"><code>File</code></a></p>
</dd><dt><code>other</code>
<dd>
<p>uses this as <a href="InputMethod.html"><code>InputMethod</code></a></p>
</dd></dl>
<div class="method-source-code" id="new-source">
<pre><span class="ruby-comment"># File lib/irb/context.rb, line 28</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">irb</span>, <span class="ruby-identifier">workspace</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-identifier">input_method</span> = <span class="ruby-keyword">nil</span>)
<span class="ruby-ivar">@irb</span> = <span class="ruby-identifier">irb</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">workspace</span>
<span class="ruby-ivar">@workspace</span> = <span class="ruby-identifier">workspace</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@workspace</span> = <span class="ruby-constant">WorkSpace</span>.<span class="ruby-identifier">new</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@thread</span> = <span class="ruby-constant">Thread</span>.<span class="ruby-identifier">current</span> <span class="ruby-keyword">if</span> <span class="ruby-keyword">defined?</span> <span class="ruby-constant">Thread</span>
<span class="ruby-comment"># copy of default configuration</span>
<span class="ruby-ivar">@ap_name</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:AP_NAME</span>]
<span class="ruby-ivar">@rc</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:RC</span>]
<span class="ruby-ivar">@load_modules</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:LOAD_MODULES</span>]
<span class="ruby-keyword">if</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-value">:USE_SINGLELINE</span>)
<span class="ruby-ivar">@use_singleline</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_SINGLELINE</span>]
<span class="ruby-keyword">elsif</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-value">:USE_READLINE</span>) <span class="ruby-comment"># backward compatibility</span>
<span class="ruby-ivar">@use_singleline</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_READLINE</span>]
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@use_singleline</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">if</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-value">:USE_MULTILINE</span>)
<span class="ruby-ivar">@use_multiline</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_MULTILINE</span>]
<span class="ruby-keyword">elsif</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-value">:USE_REIDLINE</span>) <span class="ruby-comment"># backward compatibility</span>
<span class="ruby-ivar">@use_multiline</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_REIDLINE</span>]
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@use_multiline</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@use_colorize</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_COLORIZE</span>]
<span class="ruby-ivar">@verbose</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:VERBOSE</span>]
<span class="ruby-ivar">@io</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">inspect_mode</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:INSPECT_MODE</span>]
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">use_tracer</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_TRACER</span>] <span class="ruby-keyword">if</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_TRACER</span>]
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">use_loader</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_LOADER</span>] <span class="ruby-keyword">if</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_LOADER</span>]
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">eval_history</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:EVAL_HISTORY</span>] <span class="ruby-keyword">if</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:EVAL_HISTORY</span>]
<span class="ruby-ivar">@ignore_sigint</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:IGNORE_SIGINT</span>]
<span class="ruby-ivar">@ignore_eof</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:IGNORE_EOF</span>]
<span class="ruby-ivar">@back_trace_limit</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:BACK_TRACE_LIMIT</span>]
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">prompt_mode</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:PROMPT_MODE</span>]
<span class="ruby-keyword">if</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:SINGLE_IRB</span>] <span class="ruby-keyword">or</span> <span class="ruby-operator">!</span><span class="ruby-keyword">defined?</span>(<span class="ruby-constant">IRB</span><span class="ruby-operator">::</span><span class="ruby-constant">JobManager</span>)
<span class="ruby-ivar">@irb_name</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:IRB_NAME</span>]
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@irb_name</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:IRB_NAME</span>]<span class="ruby-string">+"#"</span><span class="ruby-operator">+</span><span class="ruby-constant">IRB</span>.<span class="ruby-constant">JobManager</span>.<span class="ruby-identifier">n_jobs</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@irb_path</span> = <span class="ruby-string">"("</span> <span class="ruby-operator">+</span> <span class="ruby-ivar">@irb_name</span> <span class="ruby-operator">+</span> <span class="ruby-string">")"</span>
<span class="ruby-keyword">case</span> <span class="ruby-identifier">input_method</span>
<span class="ruby-keyword">when</span> <span class="ruby-keyword">nil</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">case</span> <span class="ruby-identifier">use_multiline?</span>
<span class="ruby-keyword">when</span> <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">if</span> <span class="ruby-constant">STDIN</span>.<span class="ruby-identifier">tty?</span> <span class="ruby-operator">&&</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:PROMPT_MODE</span>] <span class="ruby-operator">!=</span> <span class="ruby-value">:INF_RUBY</span> <span class="ruby-operator">&&</span> <span class="ruby-operator">!</span><span class="ruby-identifier">use_singleline?</span>
<span class="ruby-comment"># Both of multiline mode and singleline mode aren't specified.</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-constant">ReidlineInputMethod</span>.<span class="ruby-identifier">new</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">when</span> <span class="ruby-keyword">false</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">when</span> <span class="ruby-keyword">true</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-constant">ReidlineInputMethod</span>.<span class="ruby-identifier">new</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">unless</span> <span class="ruby-ivar">@io</span>
<span class="ruby-keyword">case</span> <span class="ruby-identifier">use_singleline?</span>
<span class="ruby-keyword">when</span> <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">if</span> (<span class="ruby-keyword">defined?</span>(<span class="ruby-constant">ReadlineInputMethod</span>) <span class="ruby-operator">&&</span> <span class="ruby-constant">STDIN</span>.<span class="ruby-identifier">tty?</span> <span class="ruby-operator">&&</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:PROMPT_MODE</span>] <span class="ruby-operator">!=</span> <span class="ruby-value">:INF_RUBY</span>)
<span class="ruby-ivar">@io</span> = <span class="ruby-constant">ReadlineInputMethod</span>.<span class="ruby-identifier">new</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">when</span> <span class="ruby-keyword">false</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">when</span> <span class="ruby-keyword">true</span>
<span class="ruby-keyword">if</span> <span class="ruby-keyword">defined?</span>(<span class="ruby-constant">ReadlineInputMethod</span>)
<span class="ruby-ivar">@io</span> = <span class="ruby-constant">ReadlineInputMethod</span>.<span class="ruby-identifier">new</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-constant">StdioInputMethod</span>.<span class="ruby-identifier">new</span> <span class="ruby-keyword">unless</span> <span class="ruby-ivar">@io</span>
<span class="ruby-keyword">when</span> <span class="ruby-constant">String</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-constant">FileInputMethod</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">input_method</span>)
<span class="ruby-ivar">@irb_name</span> = <span class="ruby-constant">File</span>.<span class="ruby-identifier">basename</span>(<span class="ruby-identifier">input_method</span>)
<span class="ruby-ivar">@irb_path</span> = <span class="ruby-identifier">input_method</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@io</span> = <span class="ruby-identifier">input_method</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">save_history</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:SAVE_HISTORY</span>] <span class="ruby-keyword">if</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:SAVE_HISTORY</span>]
<span class="ruby-ivar">@echo</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:ECHO</span>]
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@echo</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-ivar">@echo</span> = <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@echo_on_assignment</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:ECHO_ON_ASSIGNMENT</span>]
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@echo_on_assignment</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-ivar">@echo_on_assignment</span> = <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@omit_on_assignment</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:OMIT_ON_ASSIGNMENT</span>]
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@omit_on_assignment</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-ivar">@omit_on_assignment</span> = <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@newline_before_multiline_output</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:NEWLINE_BEFORE_MULTILINE_OUTPUT</span>]
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@newline_before_multiline_output</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-ivar">@newline_before_multiline_output</span> = <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
</section>
<section id="public-instance-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Instance Methods</h3>
</header>
<div id="method-i-__exit__" class="method-detail method-alias">
<div class="method-heading">
<span class="method-name">__exit__</span><span
class="method-args">(ret = 0)</span>
</div>
<div class="method-description">
</div>
<div class="aliases">
Alias for: <a href="Context.html#method-i-exit">exit</a>
</div>
</div>
<div id="method-i-_set_last_value" class="method-detail method-alias">
<div class="method-heading">
<span class="method-name">_set_last_value</span><span
class="method-args">(value)</span>
</div>
<div class="method-description">
<p>See <a href="Context.html#method-i-set_last_value"><code>set_last_value</code></a></p>
</div>
<div class="aliases">
Alias for: <a href="Context.html#method-i-set_last_value">set_last_value</a>
</div>
</div>
<div id="method-i-change_workspace" class="method-detail ">
<div class="method-heading">
<span class="method-name">change_workspace</span><span
class="method-args">(*_main)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Changes the current workspace to given object or binding.</p>
<p>If the optional argument is omitted, the workspace will be <a href="Context.html#method-i-home_workspace"><code>home_workspace</code></a> which is inherited from <code>TOPLEVEL_BINDING</code> or the main object, <code>IRB.conf[:MAIN_CONTEXT]</code> when irb was initialized.</p>
<p>See <a href="WorkSpace.html#method-c-new"><code>IRB::WorkSpace.new</code></a> for more information.</p>
<div class="method-source-code" id="change_workspace-source">
<pre><span class="ruby-comment"># File lib/irb/ext/change-ws.rb, line 32</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">change_workspace</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">_main</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">_main</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-ivar">@workspace</span> = <span class="ruby-identifier">home_workspace</span>
<span class="ruby-keyword">return</span> <span class="ruby-identifier">main</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@workspace</span> = <span class="ruby-constant">WorkSpace</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">_main</span>[<span class="ruby-value">0</span>])
<span class="ruby-keyword">if</span> <span class="ruby-operator">!</span>(<span class="ruby-keyword">class</span><span class="ruby-operator"><<</span><span class="ruby-identifier">main</span>;<span class="ruby-identifier">ancestors</span>;<span class="ruby-keyword">end</span>).<span class="ruby-identifier">include?</span>(<span class="ruby-constant">ExtendCommandBundle</span>)
<span class="ruby-identifier">main</span>.<span class="ruby-identifier">extend</span> <span class="ruby-constant">ExtendCommandBundle</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-eval_history-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">eval_history=</span><span
class="method-args">(no)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Sets command result history limit. Default value is set from <code>IRB.conf[:EVAL_HISTORY]</code>.</p>
<p><code>no</code> is an <a href="../Integer.html"><code>Integer</code></a> or <code>nil</code>.</p>
<p>Returns <code>no</code> of history items if greater than 0.</p>
<p>If <code>no</code> is 0, the number of history items is unlimited.</p>
<p>If <code>no</code> is <code>nil</code>, execution result history isn't used (default).</p>
<p><a href="History.html"><code>History</code></a> values are available via <code>__</code> variable, see <a href="History.html"><code>IRB::History</code></a>.</p>
<div class="method-source-code" id="eval_history-3D-source">
<pre><span class="ruby-comment"># File lib/irb/ext/history.rb, line 51</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">eval_history=</span>(<span class="ruby-identifier">no</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">no</span>
<span class="ruby-keyword">if</span> <span class="ruby-keyword">defined?</span>(<span class="ruby-ivar">@eval_history</span>) <span class="ruby-operator">&&</span> <span class="ruby-ivar">@eval_history</span>
<span class="ruby-ivar">@eval_history_values</span>.<span class="ruby-identifier">size</span>(<span class="ruby-identifier">no</span>)
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@eval_history_values</span> = <span class="ruby-constant">History</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">no</span>)
<span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:__TMP__EHV__</span>] = <span class="ruby-ivar">@eval_history_values</span>
<span class="ruby-ivar">@workspace</span>.<span class="ruby-identifier">evaluate</span>(<span class="ruby-keyword">self</span>, <span class="ruby-string">"__ = IRB.conf[:__TMP__EHV__]"</span>)
<span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-value">:__TMP_EHV__</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@eval_history_values</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@eval_history</span> = <span class="ruby-identifier">no</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-exit" class="method-detail ">
<div class="method-heading">
<span class="method-name">exit</span><span
class="method-args">(ret = 0)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Exits the current session, see <a href="../IRB.html#method-c-irb_exit"><code>IRB.irb_exit</code></a></p>
<div class="method-source-code" id="exit-source">
<pre><span class="ruby-comment"># File lib/irb/context.rb, line 468</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">exit</span>(<span class="ruby-identifier">ret</span> = <span class="ruby-value">0</span>)
<span class="ruby-constant">IRB</span>.<span class="ruby-identifier">irb_exit</span>(<span class="ruby-ivar">@irb</span>, <span class="ruby-identifier">ret</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
<div class="aliases">
Also aliased as: <a href="Context.html#method-i-__exit__">__exit__</a>
</div>
</div>
<div id="method-i-file_input-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">file_input?</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Whether <a href="Context.html#attribute-i-io"><code>io</code></a> uses a <a href="../File.html"><code>File</code></a> for the <code>input_method</code> passed when creating the current context, see <a href="Context.html#method-c-new"><code>::new</code></a></p>
<div class="method-source-code" id="file_input-3F-source">
<pre><span class="ruby-comment"># File lib/irb/context.rb, line 392</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">file_input?</span>
<span class="ruby-ivar">@io</span>.<span class="ruby-identifier">class</span> <span class="ruby-operator">==</span> <span class="ruby-constant">FileInputMethod</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-history_file" class="method-detail ">
<div class="method-heading">
<span class="method-name">history_file</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>A copy of the default <code>IRB.conf[:HISTORY_FILE]</code></p>
<div class="method-source-code" id="history_file-source">
<pre><span class="ruby-comment"># File lib/irb/ext/save-history.rb, line 48</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">history_file</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:HISTORY_FILE</span>]
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-history_file-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">history_file=</span><span
class="method-args">(hist)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p><a href="../Set.html"><code>Set</code></a> <code>IRB.conf[:HISTORY_FILE]</code> to the given <code>hist</code>.</p>
<div class="method-source-code" id="history_file-3D-source">
<pre><span class="ruby-comment"># File lib/irb/ext/save-history.rb, line 53</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">history_file=</span>(<span class="ruby-identifier">hist</span>)
<span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:HISTORY_FILE</span>] = <span class="ruby-identifier">hist</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-home_workspace" class="method-detail ">
<div class="method-heading">
<span class="method-name">home_workspace</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Inherited from <code>TOPLEVEL_BINDING</code>.</p>
<div class="method-source-code" id="home_workspace-source">
<pre><span class="ruby-comment"># File lib/irb/ext/change-ws.rb, line 17</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">home_workspace</span>
<span class="ruby-keyword">if</span> <span class="ruby-keyword">defined?</span> <span class="ruby-ivar">@home_workspace</span>
<span class="ruby-ivar">@home_workspace</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@home_workspace</span> = <span class="ruby-ivar">@workspace</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-inspect-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">inspect?</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Whether <a href="Context.html#attribute-i-inspect_mode"><code>inspect_mode</code></a> is set or not, see <a href="Context.html#method-i-inspect_mode-3D"><code>inspect_mode=</code></a> for more detail.</p>
<div class="method-source-code" id="inspect-3F-source">
<pre><span class="ruby-comment"># File lib/irb/context.rb, line 386</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">inspect?</span>
<span class="ruby-ivar">@inspect_mode</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-keyword">or</span> <span class="ruby-ivar">@inspect_mode</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-inspect_mode-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">inspect_mode=</span><span
class="method-args">(opt)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Specifies the inspect mode with <code>opt</code>:</p>
<dl class="rdoc-list note-list"><dt><code>true</code>
<dd>
<p>display <code>inspect</code></p>
</dd><dt><code>false</code>
<dd>
<p>display <code>to_s</code></p>
</dd><dt><code>nil</code>
<dd>
<p>inspect mode in non-math mode, non-inspect mode in math mode</p>
</dd></dl>
<p>See <a href="Inspector.html"><code>IRB::Inspector</code></a> for more information.</p>
<p>Can also be set using the <code>--inspect</code> and <code>--noinspect</code> command line options.</p>
<p>See Command line options at <code>IRB</code> for more command line options.</p>
<div class="method-source-code" id="inspect_mode-3D-source">
<pre><span class="ruby-comment"># File lib/irb/context.rb, line 409</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">inspect_mode=</span>(<span class="ruby-identifier">opt</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">i</span> = <span class="ruby-constant">Inspector</span><span class="ruby-operator">::</span><span class="ruby-constant">INSPECTORS</span>[<span class="ruby-identifier">opt</span>]
<span class="ruby-ivar">@inspect_mode</span> = <span class="ruby-identifier">opt</span>
<span class="ruby-ivar">@inspect_method</span> = <span class="ruby-identifier">i</span>
<span class="ruby-identifier">i</span>.<span class="ruby-identifier">init</span>
<span class="ruby-keyword">else</span>
<span class="ruby-keyword">case</span> <span class="ruby-identifier">opt</span>
<span class="ruby-keyword">when</span> <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">if</span> <span class="ruby-constant">Inspector</span>.<span class="ruby-identifier">keys_with_inspector</span>(<span class="ruby-constant">Inspector</span><span class="ruby-operator">::</span><span class="ruby-constant">INSPECTORS</span>[<span class="ruby-keyword">true</span>]).<span class="ruby-identifier">include?</span>(<span class="ruby-ivar">@inspect_mode</span>)
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">inspect_mode</span> = <span class="ruby-keyword">false</span>
<span class="ruby-keyword">elsif</span> <span class="ruby-constant">Inspector</span>.<span class="ruby-identifier">keys_with_inspector</span>(<span class="ruby-constant">Inspector</span><span class="ruby-operator">::</span><span class="ruby-constant">INSPECTORS</span>[<span class="ruby-keyword">false</span>]).<span class="ruby-identifier">include?</span>(<span class="ruby-ivar">@inspect_mode</span>)
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">inspect_mode</span> = <span class="ruby-keyword">true</span>
<span class="ruby-keyword">else</span>
<span class="ruby-identifier">puts</span> <span class="ruby-string">"Can't switch inspect mode."</span>
<span class="ruby-keyword">return</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">when</span> <span class="ruby-regexp">/^\s*\{.*\}\s*$/</span>
<span class="ruby-keyword">begin</span>
<span class="ruby-identifier">inspector</span> = <span class="ruby-identifier">eval</span> <span class="ruby-node">"proc#{opt}"</span>
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">Exception</span>
<span class="ruby-identifier">puts</span> <span class="ruby-node">"Can't switch inspect mode(#{opt})."</span>
<span class="ruby-keyword">return</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">inspect_mode</span> = <span class="ruby-identifier">inspector</span>
<span class="ruby-keyword">when</span> <span class="ruby-constant">Proc</span>
<span class="ruby-keyword">self</span>.<span class="ruby-identifier">inspect_mode</span> = <span class="ruby-constant">IRB</span><span class="ruby-operator">::</span><span class="ruby-constant">Inspector</span>(<span class="ruby-identifier">opt</span>)
<span class="ruby-keyword">when</span> <span class="ruby-constant">Inspector</span>
<span class="ruby-identifier">prefix</span> = <span class="ruby-string">"usr%d"</span>
<span class="ruby-identifier">i</span> = <span class="ruby-value">1</span>
<span class="ruby-keyword">while</span> <span class="ruby-constant">Inspector</span><span class="ruby-operator">::</span><span class="ruby-constant">INSPECTORS</span>[<span class="ruby-identifier">format</span>(<span class="ruby-identifier">prefix</span>, <span class="ruby-identifier">i</span>)]; <span class="ruby-identifier">i</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span>; <span class="ruby-keyword">end</span>
<span class="ruby-ivar">@inspect_mode</span> = <span class="ruby-identifier">format</span>(<span class="ruby-identifier">prefix</span>, <span class="ruby-identifier">i</span>)
<span class="ruby-ivar">@inspect_method</span> = <span class="ruby-identifier">opt</span>
<span class="ruby-constant">Inspector</span>.<span class="ruby-identifier">def_inspector</span>(<span class="ruby-identifier">format</span>(<span class="ruby-identifier">prefix</span>, <span class="ruby-identifier">i</span>), <span class="ruby-ivar">@inspect_method</span>)
<span class="ruby-keyword">else</span>
<span class="ruby-identifier">puts</span> <span class="ruby-node">"Can't switch inspect mode(#{opt})."</span>
<span class="ruby-keyword">return</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">print</span> <span class="ruby-node">"Switch to#{unless @inspect_mode; ' non';end} inspect mode.\n"</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">verbose?</span>
<span class="ruby-ivar">@inspect_mode</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-irb_level" class="method-detail ">
<div class="method-heading">
<span class="method-name">irb_level</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Size of the current <a href="WorkSpace.html"><code>WorkSpace</code></a> stack</p>
<div class="method-source-code" id="irb_level-source">
<pre><span class="ruby-comment"># File lib/irb/ext/workspaces.rb, line 17</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">irb_level</span>
<span class="ruby-identifier">workspace_stack</span>.<span class="ruby-identifier">size</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-main" class="method-detail ">
<div class="method-heading">
<span class="method-name">main</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>The top-level workspace, see <a href="WorkSpace.html#attribute-i-main"><code>WorkSpace#main</code></a></p>
<div class="method-source-code" id="main-source">
<pre><span class="ruby-comment"># File lib/irb/context.rb, line 149</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">main</span>
<span class="ruby-ivar">@workspace</span>.<span class="ruby-identifier">main</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-pop_workspace" class="method-detail ">
<div class="method-heading">
<span class="method-name">pop_workspace</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Removes the last element from the current <a href="Context.html#method-i-workspaces"><code>workspaces</code></a> stack and returns it, or <code>nil</code> if the current workspace stack is empty.</p>
<p>Also, see <a href="Context.html#method-i-push_workspace"><code>push_workspace</code></a>.</p>
<div class="method-source-code" id="pop_workspace-source">
<pre><span class="ruby-comment"># File lib/irb/ext/workspaces.rb, line 58</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">pop_workspace</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">workspaces</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">print</span> <span class="ruby-string">"workspace stack empty\n"</span>
<span class="ruby-keyword">return</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@workspace</span> = <span class="ruby-identifier">workspaces</span>.<span class="ruby-identifier">pop</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-prompt_mode-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">prompt_mode=</span><span
class="method-args">(mode)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Sets the <code>mode</code> of the prompt in this context.</p>
<p>See Customizing the IRB Prompt at <code>IRB</code> for more information.</p>
<div class="method-source-code" id="prompt_mode-3D-source">
<pre><span class="ruby-comment"># File lib/irb/context.rb, line 370</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">prompt_mode=</span>(<span class="ruby-identifier">mode</span>)
<span class="ruby-ivar">@prompt_mode</span> = <span class="ruby-identifier">mode</span>
<span class="ruby-identifier">pconf</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:PROMPT</span>][<span class="ruby-identifier">mode</span>]
<span class="ruby-ivar">@prompt_i</span> = <span class="ruby-identifier">pconf</span>[<span class="ruby-value">:PROMPT_I</span>]
<span class="ruby-ivar">@prompt_s</span> = <span class="ruby-identifier">pconf</span>[<span class="ruby-value">:PROMPT_S</span>]
<span class="ruby-ivar">@prompt_c</span> = <span class="ruby-identifier">pconf</span>[<span class="ruby-value">:PROMPT_C</span>]
<span class="ruby-ivar">@prompt_n</span> = <span class="ruby-identifier">pconf</span>[<span class="ruby-value">:PROMPT_N</span>]
<span class="ruby-ivar">@return_format</span> = <span class="ruby-identifier">pconf</span>[<span class="ruby-value">:RETURN</span>]
<span class="ruby-keyword">if</span> <span class="ruby-identifier">ai</span> = <span class="ruby-identifier">pconf</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-value">:AUTO_INDENT</span>)
<span class="ruby-ivar">@auto_indent_mode</span> = <span class="ruby-identifier">ai</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@auto_indent_mode</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:AUTO_INDENT</span>]
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-prompting-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">prompting?</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Whether <a href="Context.html#method-i-verbose-3F"><code>verbose?</code></a> is <code>true</code>, and <code>input_method</code> is either <a href="StdioInputMethod.html"><code>StdioInputMethod</code></a> or <a href="ReidlineInputMethod.html"><code>ReidlineInputMethod</code></a> or <a href="ReadlineInputMethod.html"><code>ReadlineInputMethod</code></a>, see <a href="Context.html#attribute-i-io"><code>io</code></a> for more information.</p>
<div class="method-source-code" id="prompting-3F-source">
<pre><span class="ruby-comment"># File lib/irb/context.rb, line 351</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">prompting?</span>
<span class="ruby-identifier">verbose?</span> <span class="ruby-operator">||</span> (<span class="ruby-constant">STDIN</span>.<span class="ruby-identifier">tty?</span> <span class="ruby-operator">&&</span> <span class="ruby-ivar">@io</span>.<span class="ruby-identifier">kind_of?</span>(<span class="ruby-constant">StdioInputMethod</span>) <span class="ruby-operator">||</span>
<span class="ruby-ivar">@io</span>.<span class="ruby-identifier">kind_of?</span>(<span class="ruby-constant">ReidlineInputMethod</span>) <span class="ruby-operator">||</span>
(<span class="ruby-keyword">defined?</span>(<span class="ruby-constant">ReadlineInputMethod</span>) <span class="ruby-operator">&&</span> <span class="ruby-ivar">@io</span>.<span class="ruby-identifier">kind_of?</span>(<span class="ruby-constant">ReadlineInputMethod</span>)))
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-push_workspace" class="method-detail ">
<div class="method-heading">
<span class="method-name">push_workspace</span><span
class="method-args">(*_main)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Creates a new workspace with the given object or binding, and appends it onto the current <a href="Context.html#method-i-workspaces"><code>workspaces</code></a> stack.</p>
<p>See <a href="Context.html#method-i-change_workspace"><code>IRB::Context#change_workspace</code></a> and <a href="WorkSpace.html#method-c-new"><code>IRB::WorkSpace.new</code></a> for more information.</p>
<div class="method-source-code" id="push_workspace-source">
<pre><span class="ruby-comment"># File lib/irb/ext/workspaces.rb, line 35</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">push_workspace</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">_main</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">_main</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">workspaces</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">print</span> <span class="ruby-string">"No other workspace\n"</span>
<span class="ruby-keyword">return</span> <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">ws</span> = <span class="ruby-identifier">workspaces</span>.<span class="ruby-identifier">pop</span>
<span class="ruby-identifier">workspaces</span>.<span class="ruby-identifier">push</span> <span class="ruby-ivar">@workspace</span>
<span class="ruby-ivar">@workspace</span> = <span class="ruby-identifier">ws</span>
<span class="ruby-keyword">return</span> <span class="ruby-identifier">workspaces</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">workspaces</span>.<span class="ruby-identifier">push</span> <span class="ruby-ivar">@workspace</span>
<span class="ruby-ivar">@workspace</span> = <span class="ruby-constant">WorkSpace</span>.<span class="ruby-identifier">new</span>(<span class="ruby-ivar">@workspace</span>.<span class="ruby-identifier">binding</span>, <span class="ruby-identifier">_main</span>[<span class="ruby-value">0</span>])
<span class="ruby-keyword">if</span> <span class="ruby-operator">!</span>(<span class="ruby-keyword">class</span><span class="ruby-operator"><<</span><span class="ruby-identifier">main</span>;<span class="ruby-identifier">ancestors</span>;<span class="ruby-keyword">end</span>).<span class="ruby-identifier">include?</span>(<span class="ruby-constant">ExtendCommandBundle</span>)
<span class="ruby-identifier">main</span>.<span class="ruby-identifier">extend</span> <span class="ruby-constant">ExtendCommandBundle</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-save_history" class="method-detail ">
<div class="method-heading">
<span class="method-name">save_history</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>A copy of the default <code>IRB.conf[:SAVE_HISTORY]</code></p>
<div class="method-source-code" id="save_history-source">
<pre><span class="ruby-comment"># File lib/irb/ext/save-history.rb, line 24</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">save_history</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:SAVE_HISTORY</span>]
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-save_history-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">save_history=</span><span
class="method-args">(val)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Sets <code>IRB.conf[:SAVE_HISTORY]</code> to the given <code>val</code> and calls init_save_history with this context.</p>
<p>Will store the number of <code>val</code> entries of history in the <a href="Context.html#method-i-history_file"><code>history_file</code></a></p>
<p>Add the following to your <code>.irbrc</code> to change the number of history entries stored to 1000:</p>
<pre class="ruby"><span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:SAVE_HISTORY</span>] = <span class="ruby-value">1000</span>
</pre>
<div class="method-source-code" id="save_history-3D-source">
<pre><span class="ruby-comment"># File lib/irb/ext/save-history.rb, line 38</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">save_history=</span>(<span class="ruby-identifier">val</span>)
<span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:SAVE_HISTORY</span>] = <span class="ruby-identifier">val</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">val</span>
<span class="ruby-identifier">main_context</span> = <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:MAIN_CONTEXT</span>]
<span class="ruby-identifier">main_context</span> = <span class="ruby-keyword">self</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">main_context</span>
<span class="ruby-identifier">main_context</span>.<span class="ruby-identifier">init_save_history</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-set_last_value" class="method-detail ">
<div class="method-heading">
<span class="method-name">set_last_value</span><span
class="method-args">(value)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Sets the return value from the last statement evaluated in this context to <a href="Context.html#attribute-i-last_value"><code>last_value</code></a>.</p>
<div class="method-source-code" id="set_last_value-source">
<pre><span class="ruby-comment"># File lib/irb/context.rb, line 362</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">set_last_value</span>(<span class="ruby-identifier">value</span>)
<span class="ruby-ivar">@last_value</span> = <span class="ruby-identifier">value</span>
<span class="ruby-ivar">@workspace</span>.<span class="ruby-identifier">local_variable_set</span> <span class="ruby-value">:_</span>, <span class="ruby-identifier">value</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
<div class="aliases">
Also aliased as: <a href="Context.html#method-i-_set_last_value">_set_last_value</a>
</div>
</div>
<div id="method-i-use_loader" class="method-detail ">
<div class="method-heading">
<span class="method-name">use_loader</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Returns whether <code>irb</code>'s own file reader method is used by <code>load</code>/<code>require</code> or not.</p>
<p>This mode is globally affected (irb-wide).</p>
<div class="method-source-code" id="use_loader-source">
<pre><span class="ruby-comment"># File lib/irb/ext/use-loader.rb, line 43</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">use_loader</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_LOADER</span>]
<span class="ruby-keyword">end</span></pre>
</div>
</div>
<div class="aliases">
Also aliased as: <a href="Context.html#method-i-use_loader-3F">use_loader?</a>
</div>
</div>
<div id="method-i-use_loader-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">use_loader=</span><span
class="method-args">(opt)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Sets <code>IRB.conf[:USE_LOADER]</code></p>
<p>See <a href="Context.html#method-i-use_loader"><code>use_loader</code></a> for more information.</p>
<div class="method-source-code" id="use_loader-3D-source">
<pre><span class="ruby-comment"># File lib/irb/ext/use-loader.rb, line 53</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">use_loader=</span>(<span class="ruby-identifier">opt</span>)
<span class="ruby-keyword">if</span> <span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_LOADER</span>] <span class="ruby-operator">!=</span> <span class="ruby-identifier">opt</span>
<span class="ruby-constant">IRB</span>.<span class="ruby-identifier">conf</span>[<span class="ruby-value">:USE_LOADER</span>] = <span class="ruby-identifier">opt</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">opt</span>
<span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">$"</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-string">"irb/cmd/load"</span>)
<span class="ruby-keyword">end</span>
(<span class="ruby-keyword">class</span><span class="ruby-operator"><<</span><span class="ruby-ivar">@workspace</span>.<span class="ruby-identifier">main</span>;<span class="ruby-keyword">self</span>;<span class="ruby-keyword">end</span>).<span class="ruby-identifier">instance_eval</span> {
<span class="ruby-identifier">alias_method</span> <span class="ruby-value">:load</span>, <span class="ruby-value">:irb_load</span>
<span class="ruby-identifier">alias_method</span> <span class="ruby-value">:require</span>, <span class="ruby-value">:irb_require</span>
}
<span class="ruby-keyword">else</span>
(<span class="ruby-keyword">class</span><span class="ruby-operator"><<</span><span class="ruby-ivar">@workspace</span>.<span class="ruby-identifier">main</span>;<span class="ruby-keyword">self</span>;<span class="ruby-keyword">end</span>).<span class="ruby-identifier">instance_eval</span> {
<span class="ruby-identifier">alias_method</span> <span class="ruby-value">:load</span>, <span class="ruby-value">:__original__load__IRB_use_loader__</span>
<span class="ruby-identifier">alias_method</span> <span class="ruby-value">:require</span>, <span class="ruby-value">:__original__require__IRB_use_loader__</span>
}
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">print</span> <span class="ruby-node">"Switch to load/require#{unless use_loader; ' non';end} trace mode.\n"</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">verbose?</span>
<span class="ruby-identifier">opt</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-use_loader-3F" class="method-detail method-alias">
<div class="method-heading">
<span class="method-name">use_loader?</span><span
class="method-args">()</span>
</div>
<div class="method-description">
</div>
<div class="aliases">
Alias for: <a href="Context.html#method-i-use_loader">use_loader</a>
</div>
</div>
<div id="method-i-use_tracer-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">use_tracer=</span><span
class="method-args">(opt)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="use_tracer-3D-source">
<pre><span class="ruby-comment"># File lib/irb/ext/tracer.rb, line 19</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">use_tracer=</span>(<span class="ruby-identifier">opt</span>)
<span class="ruby-comment"># do nothing</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-verbose-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">verbose?</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Returns whether messages are displayed or not.</p>
<div class="method-source-code" id="verbose-3F-source">
<pre><span class="ruby-comment"># File lib/irb/context.rb, line 332</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">verbose?</span>
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@verbose</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@io</span>.<span class="ruby-identifier">kind_of?</span>(<span class="ruby-constant">ReidlineInputMethod</span>)
<span class="ruby-keyword">false</span>
<span class="ruby-keyword">elsif</span> <span class="ruby-keyword">defined?</span>(<span class="ruby-constant">ReadlineInputMethod</span>) <span class="ruby-operator">&&</span> <span class="ruby-ivar">@io</span>.<span class="ruby-identifier">kind_of?</span>(<span class="ruby-constant">ReadlineInputMethod</span>)
<span class="ruby-keyword">false</span>
<span class="ruby-keyword">elsif</span> <span class="ruby-operator">!</span><span class="ruby-constant">STDIN</span>.<span class="ruby-identifier">tty?</span> <span class="ruby-keyword">or</span> <span class="ruby-ivar">@io</span>.<span class="ruby-identifier">kind_of?</span>(<span class="ruby-constant">FileInputMethod</span>)
<span class="ruby-keyword">true</span>
<span class="ruby-keyword">else</span>
<span class="ruby-keyword">false</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@verbose</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-workspaces" class="method-detail ">
<div class="method-heading">
<span class="method-name">workspaces</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>WorkSpaces in the current stack</p>
<div class="method-source-code" id="workspaces-source">
<pre><span class="ruby-comment"># File lib/irb/ext/workspaces.rb, line 22</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">workspaces</span>
<span class="ruby-keyword">if</span> <span class="ruby-keyword">defined?</span> <span class="ruby-ivar">@workspaces</span>
<span class="ruby-ivar">@workspaces</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@workspaces</span> = []
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
</section>
</section>
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