1 files changed, 70 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/compiler/asltree.c b/sys/contrib/dev/acpica/compiler/asltree.c
index da5e9b0..151d3a8 100644
--- a/sys/contrib/dev/acpica/compiler/asltree.c
+++ b/sys/contrib/dev/acpica/compiler/asltree.c
@@ -45,6 +45,7 @@
 
 #include <contrib/dev/acpica/compiler/aslcompiler.h>
 #include "aslcompiler.y.h"
+#include <time.h>
 
 #define _COMPONENT          ACPI_COMPILER
         ACPI_MODULE_NAME    ("asltree")
@@ -403,6 +404,75 @@ TrCreateLeafNode (
 
 /*******************************************************************************
  *
+ * FUNCTION:    TrCreateConstantLeafNode
+ *
+ * PARAMETERS:  ParseOpcode         - The constant opcode
+ *
+ * RETURN:      Pointer to the new node.  Aborts on allocation failure
+ *
+ * DESCRIPTION: Create a leaf node (no children or peers) for one of the
+ *              special constants - __LINE__, __FILE__, and __DATE__.
+ *
+ * Note: An implemenation of __FUNC__ cannot happen here because we don't
+ * have a full parse tree at this time and cannot find the parent control
+ * method. If it is ever needed, __FUNC__ must be implemented later, after
+ * the parse tree has been fully constructed.
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT *
+TrCreateConstantLeafNode (
+    UINT32                  ParseOpcode)
+{
+    ACPI_PARSE_OBJECT       *Op = NULL;
+    time_t                  CurrentTime;
+    char                    *StaticTimeString;
+    char                    *TimeString;
+
+
+    switch (ParseOpcode)
+    {
+    case PARSEOP___LINE__:
+        Op = TrAllocateNode (PARSEOP_INTEGER);
+        Op->Asl.Value.Integer = Op->Asl.LineNumber;
+        break;
+
+    case PARSEOP___FILE__:
+        Op = TrAllocateNode (PARSEOP_STRING_LITERAL);
+
+        /* Op.Asl.Filename contains the full pathname to the file */
+
+        Op->Asl.Value.String = Op->Asl.Filename;
+        break;
+
+   case PARSEOP___DATE__:
+        Op = TrAllocateNode (PARSEOP_STRING_LITERAL);
+
+        /* Get a copy of the current time */
+
+        CurrentTime = time (NULL);
+        StaticTimeString = ctime (&CurrentTime);
+        TimeString = UtLocalCalloc (strlen (StaticTimeString) + 1);
+        strcpy (TimeString, StaticTimeString);
+
+        TimeString[strlen(TimeString) -1] = 0;  /* Remove trailing newline */
+        Op->Asl.Value.String = TimeString;
+        break;
+
+    default: /* This would be an internal error */
+        return (NULL);
+    }
+
+    DbgPrint (ASL_PARSE_OUTPUT,
+        "\nCreateConstantLeafNode  Ln/Col %u/%u NewNode %p  Op %s  Value %8.8X%8.8X  ",
+        Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName (ParseOpcode),
+        ACPI_FORMAT_UINT64 (Op->Asl.Value.Integer));
+    return (Op);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    TrCreateValuedLeafNode
  *
  * PARAMETERS:  ParseOpcode         - New opcode to be assigned to the node