Rose: replace internal_report with program

Replace the use of the internal_report structure (for reports from
engines, MPV etc) with the Rose program interpreter.

SOM processing was reworked to use a new som_operation structure that is
embedded in the appropriate instructions.

src/rose/rose_internal.h

@@ -305,8 +305,6 @@ struct RoseEngine {
     u8  hasSom; /**< has at least one pattern which tracks SOM. */
     u8  somHorizon; /**< width in bytes of SOM offset storage (governed by
                         SOM precision) */
-    u8  simpleCallback; /**< has only external reports with no bounds checks,
-                             plus no exhaustion keys */
     u8 needsCatchup; /** catch up needs to be run on every report. */
     u32 mode; /**< scanning mode, one of HS_MODE_{BLOCK,STREAM,VECTORED} */
     u32 historyRequired; /**< max amount of history required for streaming */
@@ -343,9 +341,6 @@ struct RoseEngine {
     u32 fmatcherMaxBiAnchoredWidth; /**< maximum number of bytes that can still
                                      * produce a match for a pattern involved
                                      * with the anchored table. */
-    u32 intReportOffset; /**< offset of array of internal_report structures */
-    u32 intReportCount; /**< number of internal_report structures */
-
     /** \brief Offset of u32 array of program offsets for literals. */
     u32 litProgramOffset;
 
@@ -353,6 +348,12 @@ struct RoseEngine {
      * literals. */
     u32 litDelayRebuildProgramOffset;
 
+    /** \brief Offset of u32 array of program offsets for internal reports. */
+    u32 reportProgramOffset;
+
+    /** \brief Number of programs for internal reports. */
+    u32 reportProgramCount;
+
     /**
      * \brief Number of entries in the arrays pointed to by litProgramOffset,
      * litDelayRebuildProgramOffset.