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<!--Weave of '4/tpc3' generated by 7-->
<ul class="crumbs"><li><a href="../webs.html">&#9733;</a></li><li><a href="index.html">inter</a></li><li><a href="index.html#4">Chapter 4: Void Constructs</a></li><li><b>The Package Construct</b></li></ul><p class="purpose">Defining the package construct.</p>
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">PACKAGE_IST</span>
</pre>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Package::define</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
<span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain"> = </span><span class="functiontext">Inter::Defn::create_construct</span><span class="plain">(</span>
<span class="constant">PACKAGE_IST</span><span class="plain">,</span>
<span class="identifier">L</span><span class="string">"package (%i+) (%i+)"</span><span class="plain">,</span>
<span class="identifier">I</span><span class="string">"package"</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"packages"</span><span class="plain">);</span>
<span class="identifier">IC</span><span class="plain">-</span><span class="element">&gt;usage_permissions</span><span class="plain"> = </span><span class="constant">OUTSIDE_OF_PACKAGES</span><span class="plain"> + </span><span class="constant">INSIDE_PLAIN_PACKAGE</span><span class="plain"> + </span><span class="constant">CAN_HAVE_CHILDREN</span><span class="plain">;</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">IC</span><span class="plain">, </span><span class="constant">CONSTRUCT_READ_MTID</span><span class="plain">, </span><span class="functiontext">Inter::Package::read</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">IC</span><span class="plain">, </span><span class="constant">CONSTRUCT_TRANSPOSE_MTID</span><span class="plain">, </span><span class="functiontext">Inter::Package::transpose</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">IC</span><span class="plain">, </span><span class="constant">CONSTRUCT_VERIFY_MTID</span><span class="plain">, </span><span class="functiontext">Inter::Package::verify</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">IC</span><span class="plain">, </span><span class="constant">CONSTRUCT_WRITE_MTID</span><span class="plain">, </span><span class="functiontext">Inter::Package::write</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">IC</span><span class="plain">, </span><span class="constant">VERIFY_INTER_CHILDREN_MTID</span><span class="plain">, </span><span class="functiontext">Inter::Package::verify_children</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Inter::Package::define is used in 3/dfn (<a href="3-dfn.html#SP3">&#167;3</a>).</p>
<p class="inwebparagraph"><a id="SP2"></a><b>&#167;2. </b></p>
<pre class="definitions">
<span class="definitionkeyword">define</span> <span class="constant">PTYPE_PACKAGE_IFLD</span><span class="plain"> 2</span>
<span class="definitionkeyword">define</span> <span class="constant">SYMBOLS_PACKAGE_IFLD</span><span class="plain"> 3</span>
<span class="definitionkeyword">define</span> <span class="constant">PID_PACKAGE_IFLD</span><span class="plain"> 4</span>
</pre>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Package::read</span><span class="plain">(</span><span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain">, </span><span class="reserved">inter_bookmark</span><span class="plain"> *</span><span class="identifier">IBM</span><span class="plain">, </span><span class="reserved">inter_line_parse</span><span class="plain"> *</span><span class="identifier">ilp</span><span class="plain">, </span><span class="reserved">inter_error_location</span><span class="plain"> *</span><span class="identifier">eloc</span><span class="plain">, </span><span class="reserved">inter_error_message</span><span class="plain"> **</span><span class="identifier">E</span><span class="plain">) {</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Defn::vet_level</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="constant">PACKAGE_IST</span><span class="plain">, </span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;indent_level</span><span class="plain">, </span><span class="identifier">eloc</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (*</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">ptype_name</span><span class="plain"> = </span><span class="functiontext">Inter::Textual::find_symbol</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::tree</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">eloc</span><span class="plain">, </span><span class="functiontext">Inter::Tree::global_scope</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::tree</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">)), </span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1], </span><span class="constant">PACKAGETYPE_IST</span><span class="plain">, </span><span class="identifier">E</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (*</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Package::new_package_named</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0], </span><span class="identifier">FALSE</span><span class="plain">, </span><span class="identifier">ptype_name</span><span class="plain">, (</span><span class="constant">inter_t</span><span class="plain">) </span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;indent_level</span><span class="plain">, </span><span class="identifier">eloc</span><span class="plain">, &amp;</span><span class="identifier">pack</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (*</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="functiontext">Inter::Bookmarks::set_current_package</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">pack</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">inter_error_message</span><span class="plain"> *</span><span class="functiontext">Inter::Package::new_package_named</span><span class="plain">(</span><span class="reserved">inter_bookmark</span><span class="plain"> *</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">name</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">uniquely</span><span class="plain">,</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">ptype_name</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">level</span><span class="plain">, </span><span class="reserved">inter_error_location</span><span class="plain"> *</span><span class="identifier">eloc</span><span class="plain">, </span><span class="reserved">inter_package</span><span class="plain"> **</span><span class="identifier">created</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">uniquely</span><span class="plain">) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">mutable</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">mutable</span><span class="plain">, </span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">name</span><span class="plain">);</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">N</span><span class="plain"> = 1, </span><span class="identifier">A</span><span class="plain"> = 0;</span>
<span class="reserved">while</span><span class="plain"> ((</span><span class="identifier">pack</span><span class="plain"> = </span><span class="functiontext">Inter::Packages::by_name</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::package</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">mutable</span><span class="plain">)) != </span><span class="identifier">NULL</span><span class="plain">) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">TAIL</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">TAIL</span><span class="plain">, </span><span class="string">"_%d"</span><span class="plain">, </span><span class="identifier">N</span><span class="plain">++);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">A</span><span class="plain"> &gt; 0) </span><span class="identifier">Str::truncate</span><span class="plain">(</span><span class="identifier">mutable</span><span class="plain">, </span><span class="identifier">Str::len</span><span class="plain">(</span><span class="identifier">mutable</span><span class="plain">) - </span><span class="identifier">A</span><span class="plain">);</span>
<span class="identifier">A</span><span class="plain"> = </span><span class="identifier">Str::len</span><span class="plain">(</span><span class="identifier">TAIL</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">mutable</span><span class="plain">, </span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">TAIL</span><span class="plain">);</span>
<span class="identifier">Str::truncate</span><span class="plain">(</span><span class="identifier">mutable</span><span class="plain">, 31);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">TAIL</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">inter_error_message</span><span class="plain"> *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Package::new_package</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">mutable</span><span class="plain">, </span><span class="identifier">ptype_name</span><span class="plain">, </span><span class="identifier">level</span><span class="plain">, </span><span class="identifier">eloc</span><span class="plain">, </span><span class="identifier">created</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">mutable</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">E</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">return</span><span class="plain"> </span><span class="functiontext">Inter::Package::new_package</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">name</span><span class="plain">, </span><span class="identifier">ptype_name</span><span class="plain">, </span><span class="identifier">level</span><span class="plain">, </span><span class="identifier">eloc</span><span class="plain">, </span><span class="identifier">created</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">inter_error_message</span><span class="plain"> *</span><span class="functiontext">Inter::Package::new_package</span><span class="plain">(</span><span class="reserved">inter_bookmark</span><span class="plain"> *</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">name_text</span><span class="plain">, </span><span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">ptype_name</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">level</span><span class="plain">, </span><span class="reserved">inter_error_location</span><span class="plain"> *</span><span class="identifier">eloc</span><span class="plain">, </span><span class="reserved">inter_package</span><span class="plain"> **</span><span class="identifier">created</span><span class="plain">) {</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">STID</span><span class="plain"> = </span><span class="functiontext">Inter::Warehouse::create_symbols_table</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::warehouse</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">));</span>
<span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain"> = </span><span class="functiontext">Inter::Node::fill_3</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">,</span>
<span class="constant">PACKAGE_IST</span><span class="plain">,</span>
<span class="functiontext">Inter::SymbolsTables::id_from_symbol</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::tree</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">ptype_name</span><span class="plain">), </span><span class="identifier">STID</span><span class="plain">, 0, </span><span class="identifier">eloc</span><span class="plain">, </span><span class="identifier">level</span><span class="plain">);</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">PID</span><span class="plain"> = </span><span class="functiontext">Inter::Warehouse::create_package</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::warehouse</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="functiontext">Inter::Bookmarks::tree</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">));</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain"> = </span><span class="functiontext">Inter::Warehouse::get_package</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::warehouse</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">PID</span><span class="plain">);</span>
<span class="identifier">pack</span><span class="plain">-</span><span class="element">&gt;package_head</span><span class="plain"> = </span><span class="identifier">P</span><span class="plain">;</span>
<span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PID_PACKAGE_IFLD</span><span class="plain">] = </span><span class="identifier">PID</span><span class="plain">;</span>
<span class="functiontext">Inter::Packages::set_scope</span><span class="plain">(</span><span class="identifier">pack</span><span class="plain">, </span><span class="functiontext">Inter::Warehouse::get_symbols_table</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::warehouse</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">STID</span><span class="plain">));</span>
<span class="functiontext">Inter::Warehouse::attribute_resource</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::warehouse</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">STID</span><span class="plain">, </span><span class="identifier">pack</span><span class="plain">);</span>
<span class="reserved">inter_error_message</span><span class="plain"> *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Defn::verify_construct</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::package</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">E</span><span class="plain">;</span>
<span class="functiontext">Inter::Bookmarks::insert</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
<span class="functiontext">Inter::Packages::set_name</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::package</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">pack</span><span class="plain">, </span><span class="identifier">name_text</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::eq</span><span class="plain">(</span><span class="identifier">ptype_name</span><span class="plain">-</span><span class="element">&gt;symbol_name</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"_code"</span><span class="plain">))</span>
<span class="functiontext">Inter::Packages::make_codelike</span><span class="plain">(</span><span class="identifier">pack</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::eq</span><span class="plain">(</span><span class="identifier">ptype_name</span><span class="plain">-</span><span class="element">&gt;symbol_name</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"_linkage"</span><span class="plain">))</span>
<span class="functiontext">Inter::Packages::make_linklike</span><span class="plain">(</span><span class="identifier">pack</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">created</span><span class="plain">) *</span><span class="identifier">created</span><span class="plain"> = </span><span class="identifier">pack</span><span class="plain">;</span>
<span class="identifier">LOGIF</span><span class="plain">(</span><span class="identifier">INTER_SYMBOLS</span><span class="plain">, </span><span class="string">"Package $6 at IBM $5\</span><span class="plain">n</span><span class="string">"</span><span class="plain">, </span><span class="identifier">pack</span><span class="plain">, </span><span class="identifier">IBM</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Package::transpose</span><span class="plain">(</span><span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain">, </span><span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> *</span><span class="identifier">grid</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">grid_extent</span><span class="plain">, </span><span class="reserved">inter_error_message</span><span class="plain"> **</span><span class="identifier">E</span><span class="plain">) {</span>
<span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PID_PACKAGE_IFLD</span><span class="plain">] = </span><span class="identifier">grid</span><span class="plain">[</span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PID_PACKAGE_IFLD</span><span class="plain">]];</span>
<span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">SYMBOLS_PACKAGE_IFLD</span><span class="plain">] = </span><span class="identifier">grid</span><span class="plain">[</span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">SYMBOLS_PACKAGE_IFLD</span><span class="plain">]];</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Package::verify</span><span class="plain">(</span><span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain">, </span><span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">owner</span><span class="plain">, </span><span class="reserved">inter_error_message</span><span class="plain"> **</span><span class="identifier">E</span><span class="plain">) {</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain"> = </span><span class="functiontext">Inter::Node::ID_to_package</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PID_PACKAGE_IFLD</span><span class="plain">]);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">pack</span><span class="plain">) </span><span class="identifier">pack</span><span class="plain">-</span><span class="element">&gt;package_head</span><span class="plain"> = </span><span class="identifier">P</span><span class="plain">;</span>
<span class="reserved">else</span><span class="plain"> </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"uh?"</span><span class="plain">);</span>
<span class="reserved">inter_symbols_table</span><span class="plain"> *</span><span class="identifier">T</span><span class="plain"> = </span><span class="functiontext">Inter::Packages::scope</span><span class="plain">(</span><span class="identifier">owner</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">T</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">T</span><span class="plain"> = </span><span class="functiontext">Inter::Node::globals</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="functiontext">Inter::Defn::set_latest_block_package</span><span class="plain">(</span><span class="identifier">pack</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Package::write</span><span class="plain">(</span><span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain">, </span><span class="identifier">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="reserved">inter_error_message</span><span class="plain"> **</span><span class="identifier">E</span><span class="plain">) {</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain"> = </span><span class="functiontext">Inter::Package::defined_by_frame</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">ptype_name</span><span class="plain"> = </span><span class="functiontext">Inter::SymbolsTables::global_symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="constant">PTYPE_PACKAGE_IFLD</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pack</span><span class="plain">) &amp;&amp; (</span><span class="identifier">ptype_name</span><span class="plain">)) {</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"package %S %S"</span><span class="plain">, </span><span class="functiontext">Inter::Packages::name</span><span class="plain">(</span><span class="identifier">pack</span><span class="plain">), </span><span class="identifier">ptype_name</span><span class="plain">-</span><span class="element">&gt;symbol_name</span><span class="plain">);</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">pack</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) { *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Node::error</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"package can't be written - no name"</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Node::error</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"package can't be written - no type"</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="reserved">inter_error_message</span><span class="plain"> *</span><span class="functiontext">Inter::Package::write_symbols</span><span class="plain">(</span><span class="identifier">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">) {</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain"> = </span><span class="functiontext">Inter::Package::defined_by_frame</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">pack</span><span class="plain">) {</span>
<span class="reserved">inter_symbols_table</span><span class="plain"> *</span><span class="identifier">locals</span><span class="plain"> = </span><span class="functiontext">Inter::Packages::scope</span><span class="plain">(</span><span class="identifier">pack</span><span class="plain">);</span>
<span class="functiontext">Inter::SymbolsTables::write_declarations</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">locals</span><span class="plain">, (</span><span class="reserved">int</span><span class="plain">) (</span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">LEVEL_IFLD</span><span class="plain">] + 1));</span>
<span class="plain">}</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">Inter::Package::is</span><span class="plain">(</span><span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">package_name</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">package_name</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain"> = </span><span class="functiontext">Inter::Symbols::definition</span><span class="plain">(</span><span class="identifier">package_name</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">ID_IFLD</span><span class="plain">] != </span><span class="constant">PACKAGE_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="functiontext">Inter::Package::which</span><span class="plain">(</span><span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">package_name</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">package_name</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain"> = </span><span class="functiontext">Inter::Symbols::definition</span><span class="plain">(</span><span class="identifier">package_name</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="functiontext">Inter::Node::ID_to_package</span><span class="plain">(</span><span class="identifier">D</span><span class="plain">, </span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PID_PACKAGE_IFLD</span><span class="plain">]);</span>
<span class="plain">}</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="functiontext">Inter::Package::defined_by_frame</span><span class="plain">(</span><span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">ID_IFLD</span><span class="plain">] != </span><span class="constant">PACKAGE_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="functiontext">Inter::Node::ID_to_package</span><span class="plain">(</span><span class="identifier">D</span><span class="plain">, </span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PID_PACKAGE_IFLD</span><span class="plain">]);</span>
<span class="plain">}</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="functiontext">Inter::Package::type</span><span class="plain">(</span><span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">pack</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain"> = </span><span class="identifier">pack</span><span class="plain">-</span><span class="element">&gt;package_head</span><span class="plain">;</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">ptype_name</span><span class="plain"> = </span><span class="functiontext">Inter::SymbolsTables::global_symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">D</span><span class="plain">, </span><span class="constant">PTYPE_PACKAGE_IFLD</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">ptype_name</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">inter_symbols_table</span><span class="plain"> *</span><span class="functiontext">Inter::Package::local_symbols</span><span class="plain">(</span><span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">package_name</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">package_name</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain"> = </span><span class="functiontext">Inter::Symbols::definition</span><span class="plain">(</span><span class="identifier">package_name</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">ID_IFLD</span><span class="plain">] != </span><span class="constant">PACKAGE_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="functiontext">Inter::Node::ID_to_symbols_table</span><span class="plain">(</span><span class="identifier">D</span><span class="plain">, </span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">SYMBOLS_PACKAGE_IFLD</span><span class="plain">]);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Package::verify_children</span><span class="plain">(</span><span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain">, </span><span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="reserved">inter_error_message</span><span class="plain"> **</span><span class="identifier">E</span><span class="plain">) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">ptype_name</span><span class="plain"> = </span><span class="functiontext">Inter::SymbolsTables::global_symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="constant">PTYPE_PACKAGE_IFLD</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::eq</span><span class="plain">(</span><span class="identifier">ptype_name</span><span class="plain">-</span><span class="element">&gt;symbol_name</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"_code"</span><span class="plain">)) {</span>
<span class="identifier">LOOP_THROUGH_INTER_CHILDREN</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">LABEL_IST</span><span class="plain">) &amp;&amp; (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">LOCAL_IST</span><span class="plain">) &amp;&amp; (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">SYMBOL_IST</span><span class="plain">)) {</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Node::error</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"only a local or a symbol can be at the top level"</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Inter::Package::read is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Package::new_package_named appears nowhere else.</p>
<p class="endnote">The function Inter::Package::new_package is used in 2/cnn (<a href="2-cnn.html#SP1">&#167;1</a>).</p>
<p class="endnote">The function Inter::Package::transpose is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Package::verify is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Package::write is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Package::write_symbols is used in 3/dfn (<a href="3-dfn.html#SP4">&#167;4</a>).</p>
<p class="endnote">The function Inter::Package::is appears nowhere else.</p>
<p class="endnote">The function Inter::Package::which appears nowhere else.</p>
<p class="endnote">The function Inter::Package::defined_by_frame is used in 2/bkm (<a href="2-bkm.html#SP1">&#167;1</a>), 2/st (<a href="2-st.html#SP10">&#167;10</a>), 2/pck (<a href="2-pck.html#SP3">&#167;3</a>), 2/trn (<a href="2-trn.html#SP3">&#167;3</a>, <a href="2-trn.html#SP4">&#167;4</a>).</p>
<p class="endnote">The function Inter::Package::type is used in 2/pck (<a href="2-pck.html#SP3">&#167;3</a>).</p>
<p class="endnote">The function Inter::Package::local_symbols appears nowhere else.</p>
<p class="endnote">The function Inter::Package::verify_children is used in <a href="#SP1">&#167;1</a>.</p>
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