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authorSandeep Gupta2017-06-18 23:55:40 +0530
committerSandeep Gupta2017-06-18 23:55:40 +0530
commit277d1edfa17bf3719d90ddbac8e31f6181e952c3 (patch)
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+function stackelement = AST_PopASTStack()
+// function stackelement = AST_PopASTStack()
+// -----------------------------------------------------------------
+// Pop the AST stack.
+//
+// Input data:
+// ---
+//
+// Output data:
+// //NUT: add description here
+//
+// Status:
+// 11-Aug-2007 -- Raffaele Nutricato: Author.
+//
+// Copyright 2007 Raffaele Nutricato.
+// Contact: raffaele.nutricato@tiscali.it
+// -----------------------------------------------------------------
+
+// ------------------------------
+// --- Check input arguments. ---
+// ------------------------------
+SCI2CNInArgCheck(argn(2),0,0);
+
+global SCI2CSTACK;
+global StackPosition;
+global STACKDEDUG;
+
+if StackPosition == 1
+ error(9999, 'Stack empty. Cannot pop from stack.');
+end
+
+stackelement = SCI2CSTACK(StackPosition,1);
+SCI2CSTACK = SCI2CSTACK(1:StackPosition-1);
+StackPosition = StackPosition - 1;
+
+if (STACKDEDUG == 1)
+ AST_DisplayStack();
+end
+
+endfunction