X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=chiark-tcl.git;a=blobdiff_plain;f=base%2Fparse.c;h=ad9b7e7bb9c0850d65dcba00f3fce5edcdfc23bd;hp=14d8f9906b59334ab8343e59c54d98e3d1e153cf;hb=5dc0c5b5a5d8b47aebe392186cf9afcdfc1d221f;hpb=b740135c3efcb63e0c7741384e5fa8ff229d2919

diff --git a/base/parse.c b/base/parse.c
index 14d8f99..ad9b7e7 100644
--- a/base/parse.c
+++ b/base/parse.c
@@ -1,66 +1,103 @@
 /*
+ * base code for various Tcl extensions
+ * Copyright 2006-2012 Ian Jackson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "tables.h"
+#include "chiark-tcl-base.h"
 
-int pat_charfrom(Tcl_Interp *ip, Tcl_Obj *obj, int *val,
+int cht_pat_charfrom(Tcl_Interp *ip, Tcl_Obj *obj, int *val,
 		 const char *opts, const char *what) {
-  *val= enum1_lookup_cached_func(ip,obj,opts,what);
+  *val= cht_enum1_lookup_cached_func(ip,obj,opts,what);
   if (*val==-1) return TCL_ERROR;
   return TCL_OK;
 }
 
-int pat_enum(Tcl_Interp *ip, Tcl_Obj *obj, const void **val,
-	     const void *opts, size_t sz, const char *what) {
-  *val= enum_lookup_cached_func(ip,obj,opts,sz,what);
-  if (!*val) return TCL_ERROR;
+int cht_pat_int(Tcl_Interp *ip, Tcl_Obj *obj, int *val) {
+  return Tcl_GetIntFromObj(ip, obj, val);
+}
+  
+int cht_pat_long(Tcl_Interp *ip, Tcl_Obj *obj, long *val) {
+  return Tcl_GetLongFromObj(ip, obj, val);
+}
+  
+int cht_pat_string(Tcl_Interp *ip, Tcl_Obj *obj, const char **val) {
+  *val= Tcl_GetString(obj);
   return TCL_OK;
 }
+
+int cht_pat_constv(Tcl_Interp *ip, Tcl_Obj *var,
+	       Tcl_Obj **val_r, Tcl_ObjType *type) {
+  int rc;
+  Tcl_Obj *val;
   
-int pat_obj(Tcl_Interp *ip, Tcl_Obj *obj, Tcl_Obj **val) {
-  *val= obj;
+  val= Tcl_ObjGetVar2(ip,var,0,TCL_LEAVE_ERR_MSG);
+  if (!val) return TCL_ERROR;
+
+  if (type) {
+    rc= Tcl_ConvertToType(ip,val,type);
+    if (rc) return rc;
+  }
+
+  *val_r= val;
   return TCL_OK;
 }
 
-int pat_hbv(Tcl_Interp *ip, Tcl_Obj *var, HBytes_Var *agg) {
+void cht_init_somethingv(Something_Var *sth) {
+  sth->obj=0; sth->var=0; sth->copied=0;
+}
+
+int cht_pat_somethingv(Tcl_Interp *ip, Tcl_Obj *var,
+		   Something_Var *sth, Tcl_ObjType *type) {
   int rc;
   Tcl_Obj *val;
 
-  Tcl_IncrRefCount(var);
-  agg->var= var;
+  sth->var= var;
 
   val= Tcl_ObjGetVar2(ip,var,0,TCL_LEAVE_ERR_MSG);
   if (!val) return TCL_ERROR;
-  if (Tcl_IsShared(val)) val= Tcl_DuplicateObj(val);
-  Tcl_IncrRefCount(val);
-  agg->obj= val;
-  
-  rc= Tcl_ConvertToType(ip,val,&hbytes_type);
+
+  rc= Tcl_ConvertToType(ip,val,type);
   if (rc) return rc;
 
-  agg->hb= &HBYTES(val);
+  if (Tcl_IsShared(val)) {
+    val= Tcl_DuplicateObj(val);
+    sth->copied= 1;
+  }
+  Tcl_InvalidateStringRep(val);
+  sth->obj= val;
+
   return TCL_OK;
 }
 
-void fini_hbv(Tcl_Interp *ip, int rc, HBytes_Var *agg) {
+void cht_fini_somethingv(Tcl_Interp *ip, int rc, Something_Var *sth) {
   Tcl_Obj *ro;
   
   if (!rc) {
-    assert(agg->obj);
-    ro= Tcl_ObjSetVar2(ip,agg->var,0,agg->obj,TCL_LEAVE_ERR_MSG);
+    assert(sth->obj);
+    ro= Tcl_ObjSetVar2(ip,sth->var,0,sth->obj,TCL_LEAVE_ERR_MSG);
     if (!ro) rc= TCL_ERROR;
   }
-  if (agg->obj) Tcl_DecrRefCount(agg->obj);
-  if (agg->var) Tcl_DecrRefCount(agg->var);
+  if (rc && sth->copied)
+    Tcl_DecrRefCount(sth->obj);
 }
 
-int pat_hb(Tcl_Interp *ip, Tcl_Obj *obj, HBytes_Value *val) {
-  int rc;
-  rc= Tcl_ConvertToType(ip,obj,&hbytes_type);  if (rc) return rc;
-  *val= HBYTES(obj);
-  return TCL_OK;
+Tcl_Obj *cht_ret_long(Tcl_Interp *ip, long val) {
+  return Tcl_NewLongObj(val);
 }
 
-Tcl_Obj *ret_hb(Tcl_Interp *ip, HBytes_Value val) {
-  return hbytes_set_obj(0, val.start, HBYTES_LEN(val));
+Tcl_Obj *cht_ret_string(Tcl_Interp *ip, const char *val) {
+  return Tcl_NewStringObj(val,-1);
 }