X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;ds=sidebyside;f=base%2Fscriptinv.c;h=644459a0f0ec8ebd261ea39c10d399df2509dcc3;hb=500e760d7840a4968afc8a0d720d0019a5e422b4;hp=b27654e8b41827192966642af16480394a699346;hpb=ed7354bcb695fcf3ee3f5cea14be209fbb99f161;p=chiark-tcl.git

diff --git a/base/scriptinv.c b/base/scriptinv.c
index b27654e..644459a 100644
--- a/base/scriptinv.c
+++ b/base/scriptinv.c
@@ -1,45 +1,56 @@
 /*
  */
 
-#include "hbytes.h"
+#include "chiark-tcl-base.h"
 
-void scriptinv_init(ScriptToInvoke *si) {
+void cht_scriptinv_init(ScriptToInvoke *si) {
   si->obj= 0;
+  si->xargs= 0;
 }
 
-void scriptinv_cancel(ScriptToInvoke *si) {
-  if (si->obj) {
-    Tcl_DecrRefCount(si->obj);
-    si->obj= 0;
-  }
+void cht_scriptinv_cancel(ScriptToInvoke *si) {
+  if (si->obj) { Tcl_DecrRefCount(si->obj); si->obj= 0; }
+  if (si->xargs) { Tcl_DecrRefCount(si->xargs); si->xargs= 0; }
 }
 
-int scriptinv_set(ScriptToInvoke *si, Tcl_Interp *ip, Tcl_Obj *newscript) {
-  int rc;
+int cht_scriptinv_set(ScriptToInvoke *si, Tcl_Interp *ip,
+		  Tcl_Obj *newscript, Tcl_Obj *xargs) {
+  int rc, xlength;
   
-  scriptinv_cancel(si);
-
-  rc= Tcl_ListObjLength(ip, newscript, &si->llength);
-  if (rc) return rc;
+  cht_scriptinv_cancel(si);
 
+  rc= Tcl_ListObjLength(ip, newscript, &si->llength);  if (rc) return rc;
   Tcl_IncrRefCount(newscript);
+
+  if (xargs) {
+    rc= Tcl_ListObjLength(ip, xargs, &xlength);  if (rc) return rc;
+    Tcl_IncrRefCount(xargs);
+    si->llength += xlength;
+  }
+
   si->obj= newscript;
+  si->xargs= xargs;
   si->ip= ip;
   return 0;
 }  
   
-void scriptinv_invoke(ScriptToInvoke *si, int argc, Tcl_Obj **argv) {
+int cht_scriptinv_invoke_fg(ScriptToInvoke *si, int argc,
+			    Tcl_Obj *const *argv) {
   Tcl_Obj *invoke=0;
   int i, rc;
 
   assert(si->obj);
-
   for (i=0; i<argc; i++) Tcl_IncrRefCount(argv[i]);
+
   invoke= Tcl_DuplicateObj(si->obj);
   Tcl_IncrRefCount(invoke);
 
-  rc= Tcl_ListObjReplace(si->ip,invoke,si->llength,0,argc,argv);
-  for (i=0; i<argc; i++) { Tcl_DecrRefCount(argv[i]); argv[i]= 0; }
+  if (si->xargs) {
+    rc= Tcl_ListObjAppendList(si->ip, invoke, si->xargs);
+    if (rc) goto x_rc;
+  }
+
+  rc= Tcl_ListObjReplace(si->ip, invoke,si->llength,0, argc,argv);
   if (rc) goto x_rc;
 
   rc= Tcl_EvalObjEx(si->ip,invoke,TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
@@ -48,6 +59,13 @@ void scriptinv_invoke(ScriptToInvoke *si, int argc, Tcl_Obj **argv) {
   rc= 0;
   
 x_rc:
+  for (i=0; i<argc; i++) Tcl_DecrRefCount(argv[i]);
   if (invoke) Tcl_DecrRefCount(invoke);
-  if (rc) Tcl_BackgroundError(si->ip);
+  return rc;
 }
+
+void cht_scriptinv_invoke(ScriptToInvoke *si, int argc, Tcl_Obj *const *argv) {
+  int rc;
+  rc= cht_scriptinv_invoke_fg(si, argc, argv);
+  if (rc) Tcl_BackgroundError(si->ip);
+}