Merge branch 'master' into netgen-1.5

format files to the SPICE parser, so that netgen can be run
directly on a testbench file and not generate errors due to
statements in the control block.

VERSION

@@ -1 +1 @@
-1.5.162
+1.5.166

base/flatten.c

@@ -1660,7 +1660,8 @@ PrematchLists(char *name1, int file1, char *name2, int file2)
     while (ecomp != NULL) {
 	if ((ecomp->num1 != ecomp->num2) && (ecomp->cell1 != NULL) &&
 			((ecomp->cell1->class == CLASS_RES) ||
-			(ecomp->cell1->class == CLASS_VSOURCE))) {
+			(ecomp->cell1->class == CLASS_VSOURCE) ||
+			(ecomp->cell1->class == CLASS_ISOURCE))) {
 	    int node1 = -1, node2 = -1;
 	    lob = NULL;
 	    for (ob1 = tc1->cell; ob1; ) {
@@ -1709,11 +1710,16 @@ PrematchLists(char *name1, int file1, char *name2, int file2)
 						tsub1->name,
 						tc1->name);
 
-					/* merge node of endpoints */
-					for (ob2 = tc1->cell; ob2; ob2 = ob2->next) {
-					    if (ob2->node == node2)
-						ob2->node = node1;
-					}
+					/* A current source is an open, while a	    */
+					/* resistor or voltage source is a short.   */
+
+					if (ecomp->cell1->class != CLASS_ISOURCE) {
+					    /* merge node of endpoints */
+					    for (ob2 = tc1->cell; ob2; ob2 = ob2->next) {
+						if (ob2->node == node2)
+						    ob2->node = node1;
+					    }
+					}	
 
 					/* snip, snip.  Excise this device */
 					if (lob == NULL) {
@@ -1765,7 +1771,8 @@ PrematchLists(char *name1, int file1, char *name2, int file2)
 
 	if ((ecomp->num1 != ecomp->num2) && (ecomp->cell2 != NULL) &&
 			((ecomp->cell2->class == CLASS_RES) ||
-			(ecomp->cell2->class == CLASS_VSOURCE))) {
+			(ecomp->cell2->class == CLASS_VSOURCE) ||
+			(ecomp->cell2->class == CLASS_ISOURCE))) {
 	    int node1 = -1, node2 = -1;
 	    lob = NULL;
 	    for (ob2 = tc2->cell; ob2; ) {
@@ -1815,9 +1822,11 @@ PrematchLists(char *name1, int file1, char *name2, int file2)
 						tc2->name);
 
 					/* merge node of endpoints */
-					for (ob1 = tc2->cell; ob1; ob1 = ob1->next) {
-					    if (ob1->node == node2)
-						ob1->node = node1;
+					if (ecomp->cell2->class != CLASS_ISOURCE) {
+					    for (ob1 = tc2->cell; ob1; ob1 = ob1->next) {
+						if (ob1->node == node2)
+						    ob1->node = node1;
+					    }
 					}
 
 					/* snip, snip.  Excise this device */

base/netcmp.c

@@ -6715,24 +6715,32 @@ struct nlist *addproxies(struct hashlist *p, void *clientdata)
        firstpin = ob;
        while (tob && (tob->type == PORT || tob->type == UNKNOWN)) {
 	  if (tob->type == UNKNOWN) {
-	     obn = (struct objlist *)CALLOC(1, sizeof(struct objlist));
-	     obn->name = (char *)MALLOC(strlen(firstpin->instance.name)
+	     /* ??? Do not do anything with (no pins) entries */
+	     if (strcmp(tob->name, "proxy(no pins)")) {
+		obn = (struct objlist *)CALLOC(1, sizeof(struct objlist));
+		obn->name = (char *)MALLOC(strlen(firstpin->instance.name)
 			+ strlen(tob->name) + 2);
-	     sprintf(obn->name, "%s/%s", firstpin->instance.name, tob->name);
-	     obn->instance.name = strsave(firstpin->instance.name);
-	     obn->model.class = strsave(tc->name);
-	     obn->type = i++;
-	     obn->node = numnodes++;
-	     obn->next = ob;	// Splice into object list
-	     lob->next = obn;
-	     lob = obn;
+		sprintf(obn->name, "%s/%s", firstpin->instance.name, tob->name);
+		obn->instance.name = strsave(firstpin->instance.name);
+		obn->model.class = strsave(tc->name);
+		obn->type = i++;
+		obn->node = numnodes++;
+		obn->next = ob;	// Splice into object list
+		lob->next = obn;
+		lob = obn;
 
-	     // Hash the new pin record for "LookupObject()"
-	     HashPtrInstall(obn->name, obn, &(ptr->objdict));
+		// Hash the new pin record for "LookupObject()"
+		HashPtrInstall(obn->name, obn, &(ptr->objdict));
 
-	     if (tob == tc->cell) {
-		// Rehash the instance in instdict
-		HashPtrInstall(firstpin->instance.name, firstpin, &(ptr->instdict));
+		if (tob == tc->cell) {
+		    // Rehash the instance in instdict
+		    HashPtrInstall(firstpin->instance.name, firstpin, &(ptr->instdict));
+		}
+	     }
+	     else {
+		lob = ob;
+		ob->type = i++;
+		ob = ob->next;
 	     }
 	  }
 	  else if (ob == NULL) {

base/netgen.h

@@ -65,6 +65,15 @@ extern void AssignCircuits(char *name1, int file1, char *name2, int file2);
 /* flatten.c */
 extern int PrematchLists(char *, int, char *, int);
 
+/* verilog.c */
+struct cellstack {
+	char *cellname;
+	struct cellstack *next;
+};
+
+void ReadVerilogFile(char *fname, int filenum, struct cellstack **CellStackPtr,
+	int blackbox);
+
 /* Define (enumerate) various device classes, largely based on SPICE	*/
 /* model types, mixed with some ext/sim types.				*/
 

base/objlist.h

@@ -192,9 +192,8 @@ struct Permutation {
     struct Permutation *next;
 };
 
-#define OBJHASHSIZE 997 /* the size of the object and instance hash lists */
+#define OBJHASHSIZE 42073 /* the size of the object and instance hash lists */
                         /* prime numbers are good choices as hash sizes */
-                        /* 101 is a good number for IBMPC */
 
 /* cell definition for hash table */
 /* NOTE: "file" must come first for the hash matching by name and file */

base/spice.c

@@ -473,15 +473,6 @@ void CleanupSubcell() {
       SetClass(CLASS_MODULE);
 }
 
-/*------------------------------------------------------*/
-/* Structure for stacking nested subcircuit definitions */
-/*------------------------------------------------------*/
-
-struct cellstack {
-   char *cellname;
-   struct cellstack *next;
-};
-
 /*------------------------------------------------------*/
 /* Push a subcircuit name onto the stack		*/
 /*------------------------------------------------------*/
@@ -874,6 +865,17 @@ skip_ends:
       }
     }
 
+    /* Ignore anything in a .CONTROL ... .ENDC block */
+    else if (matchnocase(nexttok, ".CONTROL")) {
+	while (1) {
+	    SpiceSkipNewLine();
+	    SkipTok(NULL);
+	    if (EndParseFile()) break;
+	    if (matchnocase(nexttok, ".ENDC"))
+	       break;
+	}
+    }
+
     // Blackbox (library) mode---parse only subcircuits and models;
     // ignore all components.
 

base/verilog.c

@@ -632,11 +632,6 @@ void CleanupModule() {
 /* Structure for stacking nested module definitions	*/
 /*------------------------------------------------------*/
 
-struct cellstack {
-   char *cellname;
-   struct cellstack *next;
-};
-
 /* Forward declarations */
 extern void IncludeVerilog(char *, int, struct cellstack **, int);