1 files changed, 126 insertions, 0 deletions
diff --git a/test/rat_tests-parse_graphs.adb b/test/rat_tests-parse_graphs.adb
new file mode 100644
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--- /dev/null
+++ b/test/rat_tests-parse_graphs.adb
@@ -0,0 +1,126 @@
+
+
+with Packrat.Parse_Graphs;
+
+
+package body Rat_Tests.Parse_Graphs is
+
+
+    type My_Labels is
+       (Noun, Determiner, Noun_Phrase, Preposition,
+        Prepositional_Phrase, Verb, Verb_Phrase, Sentence);
+
+    package String_Tokens is new Packrat.Tokens (My_Labels, Character, String);
+    package Graphs is new Packrat.Parse_Graphs (My_Labels, Character, String, String_Tokens);
+
+    Paper_Nodes : Graphs.Node_Array :=
+       (1,    --  Noun at position 1, value "i"
+        2,    --  Noun at position 4, value "man"
+        3,    --  Noun at position 7, value "park"
+        4,    --  Noun at position 10, value "bat"
+        5,    --  Determiner at position 3, value "a"
+        6,    --  Determiner at position 6, value "the"
+        7,    --  Determiner at position 9, value "a"
+        8,    --  Noun_Phrase at position 1
+        9,    --  Noun_Phrase at position 3
+        10,   --  Noun_Phrase at position 6
+        11,   --  Noun_Phrase at position 9
+        12,   --  Preposition at position 5, value "in"
+        13,   --  Preposition at position 8, value "with"
+        14,   --  Prepositional_Phrase at position 5
+        15,   --  Prepositional_Phrase at position 8
+        16,   --  Verb at position 2, value "saw"
+        17,   --  Verb_Phrase at position 2
+        18);  --  Sentence at position 1
+
+
+
+    --  Cursors in Directed Graph library should be tagged
+    --  This will allow creation of an extended Cursor type in Parse Graphs
+    --  Edge labels need to contain group, finish, order, and restrict
+    --  The extended Cursor type should take the restrict into account with its functions
+
+    --  There should be a validity checking function for Parse Graphs
+    --  There should also be a pretty print debug function for Parse Graphs
+
+
+
+    Paper_Edges : Graphs.Edge_Array :=
+       ((1, 8, 1)  --  Finish 2, Order 1
+        (2, 9, 5)  --  Finish 5, Order 1
+        (3, 9, 2); --  Finish 5, Order 2
+
+    Paper_Graph : Graphs.Parse_Graph := Graphs.To_Graph (Amb_Nodes, Amb_Edges, 18);
+
+
+    function Root_Check
+        return Test_Result
+    is
+    begin
+    end Root_Check;
+
+
+    function Finish_List_Check
+        return Test_Result
+    is
+    begin
+    end Finish_List_Check;
+
+
+    function Sub_Nodes_Check
+        return Test_Result
+    is
+    begin
+    end Sub_Nodes_Check;
+
+
+    function Prune_Check
+        return Test_Result
+    is
+    begin
+    end Prune_Check;
+
+
+    function Ambiguous_Check
+        return Test_Result
+    is
+    begin
+    end Ambiguous_Check;
+
+
+begin
+
+    --  Node labels
+    Paper_Graph.Append_Label (1, String_Tokens.Create (Noun, 1, "i"));
+    Paper_Graph.Append_Label (2, String_Tokens.Create (Noun, 4, "man"));
+    Paper_Graph.Append_Label (3, String_Tokens.Create (Noun, 7, "park"));
+    Paper_Graph.Append_Label (4, String_Tokens.Create (Noun, 10, "bat"));
+
+    Paper_Graph.Append_Label (5, String_Tokens.Create (Determiner, 3, "a"));
+    Paper_Graph.Append_Label (6, String_Tokens.Create (Determiner, 6, "the"));
+    Paper_Graph.Append_Label (7, String_Tokens.Create (Determiner, 9, "a"));
+
+    Paper_Graph.Append_Label (8, String_Tokens.Create (Noun_Phrase, 1, ""));
+    Paper_Graph.Append_Label (9, String_Tokens.Create (Noun_Phrase, 3, ""));
+    Paper_Graph.Append_Label (10, String_Tokens.Create (Noun_Phrase, 6, ""));
+    Paper_Graph.Append_Label (11, String_Tokens.Create (Noun_Phrase, 9, ""));
+
+    Paper_Graph.Append_Label (12, String_Tokens.Create (Preposition, 5, "in"));
+    Paper_Graph.Append_Label (13, String_Tokens.Create (Preposition, 8, "with"));
+
+    Paper_Graph.Append_Label (14, String_Tokens.Create (Prepositional_Phrase, 5, ""));
+    Paper_Graph.Append_Label (15, String_Tokens.Create (Prepositional_Phrase, 8, ""));
+
+    Paper_Graph.Append_Label (16, String_Tokens.Create (Verb, 2, "saw"));
+
+    Paper_Graph.Append_Label (17, String_Tokens.Create (Verb_Phrase, 2, ""));
+
+    Paper_Graph.Append_Label (18, String_Tokens.Create (Sentence, 1, ""));
+
+
+    --  Edge labels
+
+
+end Rat_Tests.Parse_Graphs;
+
+