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<title>test.adb</title>
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<span style="font-weight:bold">with</span> Ada<span style="color:#3f8058">.</span>Containers<span style="color:#3f8058">.</span>Vectors;
<span style="font-weight:bold">with</span> Ada<span style="color:#3f8058">.</span>Strings; <span style="font-weight:bold">use</span> Ada<span style="color:#3f8058">.</span>Strings;
<span style="font-weight:bold">with</span> Put_Title;
<span style="font-weight:bold">procedure</span> LAL_DDA <span style="font-weight:bold">is</span>
Collection <span style="color:#3f8058">:</span> Repinfo_Collection;
A_Basic_Record <span style="color:#3f8058">:</span> Basic_Record <span style="color:#3f8058">:=</span> Basic_Record'<span style="color:#3f8058">(</span>A <span style="color:#3f8058">=></span> <span style="color:#f67400">42</span><span style="color:#3f8058">)</span>;
Another_Basic_Record <span style="color:#3f8058">:</span> Basic_Record <span style="color:#3f8058">:=</span> <span style="color:#3f8058">(</span>A <span style="color:#3f8058">=></span> <span style="color:#f67400">42</span><span style="color:#3f8058">)</span>;
Nix <span style="color:#3f8058">:</span> <span style="font-weight:bold">constant</span> Null_Record <span style="color:#3f8058">:=</span> <span style="color:#3f8058">(</span><span style="font-weight:bold">null</span> <span style="font-weight:bold">record</span><span style="color:#3f8058">)</span>;
<span style="font-weight:bold">procedure</span> Process_Type_Decl <span style="color:#3f8058">(</span>Decl <span style="color:#3f8058">:</span> Base_Type_Decl<span style="color:#3f8058">)</span>;
<span style="color:#7a7c7d">-- Display all representation information that is available in</span>
<span style="color:#7a7c7d">-- ``Collection`` for this type declaration.</span>
<span style="font-weight:bold">procedure</span> Process_Variants
<span style="color:#3f8058">(</span>Variants <span style="color:#3f8058">:</span> Variant_Representation_Array; Prefix <span style="color:#3f8058">:</span> <span style="color:#2980b9">String</span><span style="color:#3f8058">)</span>;
<span style="color:#7a7c7d">-- Display all representation information for the given record variants.</span>
<span style="color:#7a7c7d">-- ``Prefix`` is used as a prefix for all printed lines.</span>
<span style="font-weight:bold">package</span> Expr_Vectors <span style="font-weight:bold">is</span> <span style="font-weight:bold">new</span> Ada<span style="color:#3f8058">.</span>Containers<span style="color:#3f8058">.</span>Vectors <span style="color:#3f8058">(</span>Positive<span style="color:#3f8058">,</span> Expr<span style="color:#3f8058">)</span>;
<span style="font-weight:bold">use</span> <span style="font-weight:bold">type</span> Expr_Vectors<span style="color:#3f8058">.</span>Vector;
<span style="font-weight:bold">package</span> Expr_Vector_Vectors <span style="font-weight:bold">is</span> <span style="font-weight:bold">new</span> Ada<span style="color:#3f8058">.</span>Containers<span style="color:#3f8058">.</span>Vectors
<span style="color:#3f8058">(</span>Positive<span style="color:#3f8058">,</span> Expr_Vectors<span style="color:#3f8058">.</span>Vector<span style="color:#3f8058">)</span>;
<span style="font-weight:bold">function</span> Test_Discriminants
<span style="color:#3f8058">(</span>Decl <span style="color:#3f8058">:</span> Base_Type_Decl<span style="color:#3f8058">)</span> <span style="font-weight:bold">return</span> Expr_Vector_Vectors<span style="color:#3f8058">.</span>Vector;
<span style="color:#7a7c7d">-- Fetch the vector of discriminants to use for testing from nearby Test</span>
<span style="color:#7a7c7d">-- pragmas.</span>
<span style="font-weight:bold">procedure</span> Error <span style="color:#3f8058">(</span>Node <span style="color:#3f8058">:</span> Ada_Node'Class; Message <span style="color:#3f8058">:</span> <span style="color:#2980b9">String</span><span style="color:#3f8058">)</span> <span style="font-weight:bold">with</span> <span style="color:#0099ff;font-weight:bold">No_Return</span>;
<span style="color:#7a7c7d">-- Abort the App with the given error ``Message``, contextualized using</span>
<span style="color:#7a7c7d">-- ``Node`` 's source location.</span>
<span style="font-weight:bold">package</span> App <span style="font-weight:bold">is</span> <span style="font-weight:bold">new</span> Libadalang<span style="color:#3f8058">.</span>Helpers<span style="color:#3f8058">.</span>App
<span style="color:#3f8058">(</span>Name <span style="color:#3f8058">=></span> <span style="color:#f44f4f">"lal_dda"</span><span style="color:#3f8058">,</span>
Description <span style="color:#3f8058">=></span>
<span style="color:#f44f4f">"Exercize Libadalang's Data_Decomposition API on type declarations"</span><span style="color:#3f8058">,</span>
App_Setup <span style="color:#3f8058">=></span> App_Setup<span style="color:#3f8058">,</span>
Process_Unit <span style="color:#3f8058">=></span> Process_Unit<span style="color:#3f8058">)</span>;
<span style="font-weight:bold">package</span> Args <span style="font-weight:bold">is</span>
<span style="font-weight:bold">use</span> GNATCOLL<span style="color:#3f8058">.</span>Opt_Parse;
<span style="font-weight:bold">package</span> Rep_Info_Files <span style="font-weight:bold">is</span> <span style="font-weight:bold">new</span> Parse_Option_List
<span style="color:#3f8058">(</span>App<span style="color:#3f8058">.</span>Args<span style="color:#3f8058">.</span>Parser<span style="color:#3f8058">,</span> <span style="color:#f44f4f">"-i"</span><span style="color:#3f8058">,</span> <span style="color:#f44f4f">"--rep-info-file"</span><span style="color:#3f8058">,</span>
Arg_Type <span style="color:#3f8058">=></span> Unbounded_String<span style="color:#3f8058">,</span>
Accumulate <span style="color:#3f8058">=></span> True<span style="color:#3f8058">,</span>
Help <span style="color:#3f8058">=></span> <span style="color:#f44f4f">"Output for the compiler's -gnatR4j option"</span><span style="color:#3f8058">)</span>;
<span style="font-weight:bold">end</span> Args;
<span style="color:#7a7c7d">---------------</span>
<span style="color:#7a7c7d">-- App_Setup --</span>
<span style="color:#7a7c7d">---------------</span>
<span style="font-weight:bold">procedure</span> App_Setup <span style="color:#3f8058">(</span>Context <span style="color:#3f8058">:</span> App_Context; Jobs <span style="color:#3f8058">:</span> App_Job_Context_Array<span style="color:#3f8058">)</span> <span style="font-weight:bold">is</span>
<span style="font-weight:bold">pragma</span> Unreferenced <span style="color:#3f8058">(</span>Context<span style="color:#3f8058">,</span> Jobs<span style="color:#3f8058">)</span>;
<span style="font-weight:bold">begin</span>
Collection <span style="color:#3f8058">:=</span> Load <span style="color:#3f8058">(</span>Filename_Array <span style="color:#3f8058">(</span>Args<span style="color:#3f8058">.</span>Rep_Info_Files<span style="color:#3f8058">.</span>Get<span style="color:#3f8058">))</span>;
<span style="font-weight:bold">exception</span>
<span style="font-weight:bold">when</span> Exc <span style="color:#3f8058">:</span> Loading_Error <span style="color:#3f8058">=></span>
Put_Line
<span style="color:#3f8058">(</span><span style="color:#f44f4f">"Loading_Error raised while loading representation information:"</span><span style="color:#3f8058">)</span>;
Put_Line <span style="color:#3f8058">(</span>Exception_Message <span style="color:#3f8058">(</span>Exc<span style="color:#3f8058">))</span>;
New_Line;
<span style="font-weight:bold">end</span> App_Setup;
<span style="color:#7a7c7d">------------------</span>
<span style="color:#7a7c7d">-- Process_Unit --</span>
<span style="color:#7a7c7d">------------------</span>
<span style="font-weight:bold">procedure</span> Process_Unit <span style="color:#3f8058">(</span>Context <span style="color:#3f8058">:</span> App_Job_Context; Unit <span style="color:#3f8058">:</span> Analysis_Unit<span style="color:#3f8058">)</span> <span style="font-weight:bold">is</span>
<span style="font-weight:bold">pragma</span> Unreferenced <span style="color:#3f8058">(</span>Context<span style="color:#3f8058">)</span>;
<span style="font-weight:bold">function</span> Process <span style="color:#3f8058">(</span>Node <span style="color:#3f8058">:</span> Ada_Node'Class<span style="color:#3f8058">)</span> <span style="font-weight:bold">return</span> Visit_Status;
<span style="font-weight:bold">function</span> Process <span style="color:#3f8058">(</span>Node <span style="color:#3f8058">:</span> Ada_Node'Class<span style="color:#3f8058">)</span> <span style="font-weight:bold">return</span> Visit_Status <span style="font-weight:bold">is</span>
<span style="font-weight:bold">begin</span>
<span style="font-weight:bold">case</span> Node<span style="color:#3f8058">.</span>Kind <span style="font-weight:bold">is</span>
<span style="font-weight:bold">when</span> Ada_Base_Type_Decl <span style="color:#3f8058">=></span>
Process_Type_Decl <span style="color:#3f8058">(</span>Node<span style="color:#3f8058">.</span>As_Base_Type_Decl<span style="color:#3f8058">)</span>;
<span style="font-weight:bold">when</span> Ada_Pragma_Node <span style="color:#3f8058">=></span>
<span style="font-weight:bold">declare</span>
PN <span style="color:#3f8058">:</span> <span style="font-weight:bold">constant</span> Pragma_Node <span style="color:#3f8058">:=</span> Node<span style="color:#3f8058">.</span>As_Pragma_Node;
Name <span style="color:#3f8058">:</span> <span style="font-weight:bold">constant</span> Text_Type <span style="color:#3f8058">:=</span> To_Lower <span style="color:#3f8058">(</span>PN<span style="color:#3f8058">.</span>F_Id<span style="color:#3f8058">.</span>Text<span style="color:#3f8058">)</span>;
Decl <span style="color:#3f8058">:</span> Ada_Node;
<span style="font-weight:bold">begin</span>
<span style="font-weight:bold">if</span> Name <span style="color:#3f8058">=</span> <span style="color:#f44f4f">"test_object_type"</span> <span style="font-weight:bold">then</span>
Decl <span style="color:#3f8058">:=</span> PN<span style="color:#3f8058">.</span>Previous_Sibling;
<span style="font-weight:bold">if</span> Decl<span style="color:#3f8058">.</span>Kind <span style="color:#3f8058">/=</span> Ada_Object_Decl <span style="font-weight:bold">then</span>
Error
<span style="color:#3f8058">(</span>Node<span style="color:#3f8058">,</span>
<span style="color:#f44f4f">"previous declaration must be an object"</span>
<span style="color:#3f8058">&</span> <span style="color:#f44f4f">" declaration"</span><span style="color:#3f8058">)</span>;
<span style="font-weight:bold">end if</span>;
Process_Type_Decl
<span style="color:#3f8058">(</span>Decl<span style="color:#3f8058">.</span>As_Object_Decl
<span style="color:#3f8058">.</span>F_Type_Expr
<span style="color:#3f8058">.</span>P_Designated_Type_Decl<span style="color:#3f8058">)</span>;
<span style="font-weight:bold">end if</span>;
<span style="font-weight:bold">if</span> I <span style="color:#3f8058">></span> <span style="color:#f67400">1</span> <span style="font-weight:bold">then</span>
Put <span style="color:#3f8058">(</span><span style="color:#f44f4f">", "</span><span style="color:#3f8058">)</span>;
<span style="font-weight:bold">end if</span>;
<span style="font-weight:bold">end</span>;
<span style="font-weight:bold">when</span> <span style="font-weight:bold">others</span> <span style="color:#3f8058">=></span>
<span style="font-weight:bold">null</span>;
<span style="font-weight:bold">end case</span>;
<span style="font-weight:bold">return</span> Into;
<span style="font-weight:bold">end</span> Process;
<span style="font-weight:bold">begin</span>
Put_Title
<span style="color:#3f8058">(</span><span style="color:#3daee9">'#'</span><span style="color:#3f8058">,</span> <span style="color:#f44f4f">"Analyzing "</span> <span style="color:#3f8058">&</span> Ada<span style="color:#3f8058">.</span>Directories<span style="color:#3f8058">.</span>Simple_Name <span style="color:#3f8058">(</span>Unit<span style="color:#3f8058">.</span>Get_Filename<span style="color:#3f8058">))</span>;
<span style="font-weight:bold">if</span> Unit<span style="color:#3f8058">.</span>Has_Diagnostics <span style="font-weight:bold">then</span>
<span style="font-weight:bold">for</span> D <span style="font-weight:bold">of</span> Unit<span style="color:#3f8058">.</span>Diagnostics <span style="font-weight:bold">loop</span>
Put_Line <span style="color:#3f8058">(</span>Unit<span style="color:#3f8058">.</span>Format_GNU_Diagnostic <span style="color:#3f8058">(</span>D<span style="color:#3f8058">))</span>;
<span style="font-weight:bold">end loop</span>;
New_Line;
<span style="font-weight:bold">return</span>;
<span style="font-weight:bold">elsif</span> <span style="font-weight:bold">not</span> Unit<span style="color:#3f8058">.</span>Root<span style="color:#3f8058">.</span>Is_Null <span style="font-weight:bold">then</span>
Unit<span style="color:#3f8058">.</span>Root<span style="color:#3f8058">.</span>Traverse <span style="color:#3f8058">(</span>Process'Access<span style="color:#3f8058">)</span>;
<span style="font-weight:bold">end if</span>;
<span style="font-weight:bold">end</span> Process_Unit;
<span style="font-weight:bold">end</span> LAL_DDA;
<span style="font-weight:bold">type</span> Car <span style="font-weight:bold">is</span> <span style="font-weight:bold">record</span>
Identity <span style="color:#3f8058">:</span> <span style="color:#2980b9">Long_Long_Integer</span>;
Number_Wheels <span style="color:#3f8058">:</span> Positive <span style="font-weight:bold">range</span> <span style="color:#f67400">1</span> <span style="color:#3f8058">..</span> <span style="color:#f67400">16#</span><span style="color:#f67400">FF</span><span style="color:#f67400">#</span><span style="color:#f67400">E1</span>;
Number_Wheels <span style="color:#3f8058">:</span> Positive <span style="font-weight:bold">range</span> <span style="color:#f67400">16#</span><span style="color:#f67400">F.FF</span><span style="color:#f67400">#</span><span style="color:#f67400">E+2</span> <span style="color:#3f8058">..</span> <span style="color:#f67400">2#</span><span style="color:#f67400">1111_1111</span><span style="color:#f67400">#</span>;
Paint <span style="color:#3f8058">:</span> Color;
Horse_Power_kW <span style="color:#3f8058">:</span> <span style="color:#2980b9">Float</span> <span style="font-weight:bold">range</span> <span style="color:#f67400">0.0</span> <span style="color:#3f8058">..</span> <span style="color:#f67400">2_000.0</span>;
Consumption <span style="color:#3f8058">:</span> <span style="color:#2980b9">Float</span> <span style="font-weight:bold">range</span> <span style="color:#f67400">0.0</span> <span style="color:#3f8058">..</span> <span style="color:#f67400">100.0</span>;
<span style="font-weight:bold">end record</span>;
<span style="font-weight:bold">type</span> Null_Record <span style="font-weight:bold">is</span> <span style="font-weight:bold">null</span> <span style="font-weight:bold">record</span>;
<span style="font-weight:bold">type</span> Traffic_Light_Access <span style="font-weight:bold">is</span> <span style="font-weight:bold">access</span> Mutable_Variant_Record;
Any_Traffic_Light <span style="color:#3f8058">:</span> Traffic_Light_Access <span style="color:#3f8058">:=</span>
<span style="font-weight:bold">new</span> Mutable_Variant_Record;
Aliased_Traffic_Light <span style="color:#3f8058">:</span> <span style="font-weight:bold">aliased</span> Mutable_Variant_Record;
<span style="font-weight:bold">pragma</span> <span style="color:#0099ff;font-weight:bold">Unchecked_Union</span> <span style="color:#3f8058">(</span>Union<span style="color:#3f8058">)</span>;
<span style="font-weight:bold">pragma</span> <span style="color:#0099ff;font-weight:bold">Convention</span> <span style="color:#3f8058">(</span>C<span style="color:#3f8058">,</span> Union<span style="color:#3f8058">)</span>; <span style="color:#7a7c7d">-- optional</span>
<span style="font-weight:bold">type</span> Programmer <span style="font-weight:bold">is</span> <span style="font-weight:bold">new</span> Person
<span style="font-weight:bold">and</span> Printable
<span style="font-weight:bold">with</span>
<span style="font-weight:bold">record</span>
Skilled_In <span style="color:#3f8058">:</span> Language_List;
<span style="font-weight:bold">end record</span>;
<span style="color:#f67400">3#</span><span style="color:#f67400">12.112</span><span style="color:#f67400">#</span><span style="color:#f67400">e3</span>
<span style="color:#f67400">3#</span><span style="color:#f67400">12.11</span> <span style="font-weight:bold">use</span>
<span style="color:#7a7c7d">-- ^ invalid</span>
<span style="color:#f67400">3#</span><span style="color:#f67400">12.2</span>3#e3
<span style="color:#7a7c7d">-- ^ invalid</span>
<span style="color:#f67400">3#</span><span style="color:#f67400">12.11</span>ds#
<span style="color:#7a7c7d">-- ^ invalid</span>
<span style="color:#f67400">1211</span>ds
<span style="color:#7a7c7d">-- ^ invalid</span>
</pre></body></html>
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