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authordkf <donal.k.fellows@manchester.ac.uk>2019-04-23 13:47:52 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2019-04-23 13:47:52 (GMT)
commitba3eca6d7e1ad5c6a643052f7cc496d25272e3a5 (patch)
treeefc172eb276545141d240b3c73550ce924f6ca79 /generic/tclBasic.c
parenteaf90743ee516f8a7f4b05720416fb49f20dfca2 (diff)
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Minor code style cleanup.
Diffstat (limited to 'generic/tclBasic.c')
-rw-r--r--generic/tclBasic.c119
1 files changed, 73 insertions, 46 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c
index 5480835..d252f00 100644
--- a/generic/tclBasic.c
+++ b/generic/tclBasic.c
@@ -2109,14 +2109,16 @@ Tcl_CreateCommand(
break;
}
- /* An existing command conflicts. Try to delete it.. */
+ /*
+ * An existing command conflicts. Try to delete it...
+ */
+
cmdPtr = Tcl_GetHashValue(hPtr);
/*
- * Be careful to preserve
- * any existing import links so we can restore them down below. That
- * way, you can redefine a command and its import status will remain
- * intact.
+ * Be careful to preserve any existing import links so we can restore
+ * them down below. That way, you can redefine a command and its
+ * import status will remain intact.
*/
cmdPtr->refCount++;
@@ -2136,16 +2138,15 @@ Tcl_CreateCommand(
if (!isNew) {
/*
- * If the deletion callback recreated the command, just throw away
- * the new command (if we try to delete it again, we could get
- * stuck in an infinite loop).
+ * If the deletion callback recreated the command, just throw away the
+ * new command (if we try to delete it again, we could get stuck in an
+ * infinite loop).
*/
ckfree(Tcl_GetHashValue(hPtr));
}
if (!deleted) {
-
/*
* Command resolvers (per-interp, per-namespace) might have resolved
* to a command for the given namespace scope with this command not
@@ -2324,16 +2325,18 @@ TclCreateObjCommandInNs (
break;
}
+ /*
+ * An existing command conflicts. Try to delete it...
+ */
- /* An existing command conflicts. Try to delete it.. */
cmdPtr = Tcl_GetHashValue(hPtr);
/*
* [***] This is wrong. See Tcl Bug a16752c252.
- * However, this buggy behavior is kept under particular
- * circumstances to accommodate deployed binaries of the
- * "tclcompiler" program. http://sourceforge.net/projects/tclpro/
- * that crash if the bug is fixed.
+ * However, this buggy behavior is kept under particular circumstances
+ * to accommodate deployed binaries of the "tclcompiler" program
+ * <http://sourceforge.net/projects/tclpro/> that crash if the bug is
+ * fixed.
*/
if (cmdPtr->objProc == TclInvokeStringCommand
@@ -2357,7 +2360,10 @@ TclCreateObjCommandInNs (
cmdPtr->flags |= CMD_REDEF_IN_PROGRESS;
}
- /* Make sure namespace doesn't get deallocated. */
+ /*
+ * Make sure namespace doesn't get deallocated.
+ */
+
cmdPtr->nsPtr->refCount++;
Tcl_DeleteCommandFromToken(interp, (Tcl_Command) cmdPtr);
@@ -4315,15 +4321,22 @@ EvalObjvCore(
reresolve:
assert(cmdPtr == NULL);
if (preCmdPtr) {
- /* Caller gave it to us */
+ /*
+ * Caller gave it to us.
+ */
+
if (!(preCmdPtr->flags & CMD_IS_DELETED)) {
- /* So long as it exists, use it. */
+ /*
+ * So long as it exists, use it.
+ */
+
cmdPtr = preCmdPtr;
} else if (flags & TCL_EVAL_NORESOLVE) {
/*
- * When it's been deleted, and we're told not to attempt
- * resolving it ourselves, all we can do is raise an error.
+ * When it's been deleted, and we're told not to attempt resolving
+ * it ourselves, all we can do is raise an error.
*/
+
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"attempt to invoke a deleted command"));
Tcl_SetErrorCode(interp, "TCL", "EVAL", "DELETEDCOMMAND", NULL);
@@ -4339,14 +4352,12 @@ EvalObjvCore(
if (enterTracesDone || iPtr->tracePtr
|| (cmdPtr->flags & CMD_HAS_EXEC_TRACES)) {
-
Tcl_Obj *commandPtr = TclGetSourceFromFrame(
flags & TCL_EVAL_SOURCE_IN_FRAME ? iPtr->cmdFramePtr : NULL,
objc, objv);
- Tcl_IncrRefCount(commandPtr);
+ Tcl_IncrRefCount(commandPtr);
if (!enterTracesDone) {
-
int code = TEOV_RunEnterTraces(interp, &cmdPtr, commandPtr,
objc, objv);
@@ -4354,10 +4365,10 @@ EvalObjvCore(
* Send any exception from enter traces back as an exception
* raised by the traced command.
* TODO: Is this a bug? Letting an execution trace BREAK or
- * CONTINUE or RETURN in the place of the traced command?
- * Would either converting all exceptions to TCL_ERROR, or
- * just swallowing them be better? (Swallowing them has the
- * problem of permanently hiding program errors.)
+ * CONTINUE or RETURN in the place of the traced command? Would
+ * either converting all exceptions to TCL_ERROR, or just
+ * swallowing them be better? (Swallowing them has the problem of
+ * permanently hiding program errors.)
*/
if (code != TCL_OK) {
@@ -4366,9 +4377,8 @@ EvalObjvCore(
}
/*
- * If the enter traces made the resolved cmdPtr unusable, go
- * back and resolve again, but next time don't run enter
- * traces again.
+ * If the enter traces made the resolved cmdPtr unusable, go back
+ * and resolve again, but next time don't run enter traces again.
*/
if (cmdPtr == NULL) {
@@ -4379,9 +4389,9 @@ EvalObjvCore(
}
/*
- * Schedule leave traces. Raise the refCount on the resolved
- * cmdPtr, so that when it passes to the leave traces we know
- * it's still valid.
+ * Schedule leave traces. Raise the refCount on the resolved cmdPtr,
+ * so that when it passes to the leave traces we know it's still
+ * valid.
*/
cmdPtr->refCount++;
@@ -4449,8 +4459,6 @@ TclNRRunCallbacks(
* are to be run. */
{
Interp *iPtr = (Interp *) interp;
- NRE_callback *callbackPtr;
- Tcl_NRPostProc *procPtr;
/*
* If the interpreter has a non-empty string result, the result object is
@@ -4466,11 +4474,14 @@ TclNRRunCallbacks(
(void) Tcl_GetObjResult(interp);
}
- /* This is the trampoline. */
+ /*
+ * This is the trampoline.
+ */
while (TOP_CB(interp) != rootPtr) {
- callbackPtr = TOP_CB(interp);
- procPtr = callbackPtr->procPtr;
+ NRE_callback *callbackPtr = TOP_CB(interp);
+ Tcl_NRPostProc *procPtr = callbackPtr->procPtr;
+
TOP_CB(interp) = callbackPtr->nextPtr;
result = procPtr(callbackPtr->data, interp, result);
TCLNR_FREE(interp, callbackPtr);
@@ -6676,14 +6687,17 @@ TclNRInvoke(
}
cmdPtr = Tcl_GetHashValue(hPtr);
- /* Avoid the exception-handling brain damage when numLevels == 0 . */
+ /*
+ * Avoid the exception-handling brain damage when numLevels == 0
+ */
+
iPtr->numLevels++;
Tcl_NRAddCallback(interp, NRPostInvoke, NULL, NULL, NULL, NULL);
/*
* Normal command resolution of objv[0] isn't going to find cmdPtr.
- * That's the whole point of **hidden** commands. So tell the
- * Eval core machinery not to even try (and risk finding something wrong).
+ * That's the whole point of **hidden** commands. So tell the Eval core
+ * machinery not to even try (and risk finding something wrong).
*/
return TclNREvalObjv(interp, objc, objv, TCL_EVAL_NORESOLVE, cmdPtr);
@@ -8065,13 +8079,21 @@ TclDTraceInfo(
Tcl_DictObjGet(NULL, info, *k++, &val);
args[i] = val ? TclGetString(val) : NULL;
}
- /* no "proc" -> use "lambda" */
+
+ /*
+ * no "proc" -> use "lambda"
+ */
+
if (!args[2]) {
Tcl_DictObjGet(NULL, info, *k, &val);
args[2] = val ? TclGetString(val) : NULL;
}
k++;
- /* no "class" -> use "object" */
+
+ /*
+ * no "class" -> use "object"
+ */
+
if (!args[5]) {
Tcl_DictObjGet(NULL, info, *k, &val);
args[5] = val ? TclGetString(val) : NULL;
@@ -8424,8 +8446,10 @@ TclNRTailcallObjCmd(
Tcl_Obj *listPtr, *nsObjPtr;
Tcl_Namespace *nsPtr = (Tcl_Namespace *) iPtr->varFramePtr->nsPtr;
- /* The tailcall data is in a Tcl list: the first element is the
- * namespace, the rest the command to be tailcalled. */
+ /*
+ * The tailcall data is in a Tcl list: the first element is the
+ * namespace, the rest the command to be tailcalled.
+ */
nsObjPtr = Tcl_NewStringObj(nsPtr->fullName, -1);
listPtr = Tcl_NewListObj(objc, objv);
@@ -9108,9 +9132,12 @@ TclNRCoroutineObjCmd(
TclNRAddCallback(interp, NRCoroutineExitCallback, corPtr,
NULL, NULL, NULL);
- /* ensure that the command is looked up in the correct namespace */
+ /*
+ * Ensure that the command is looked up in the correct namespace.
+ */
+
iPtr->lookupNsPtr = lookupNsPtr;
- Tcl_NREvalObj(interp, Tcl_NewListObj(objc-2, objv+2), 0);
+ Tcl_NREvalObj(interp, Tcl_NewListObj(objc - 2, objv + 2), 0);
iPtr->numLevels--;
SAVE_CONTEXT(corPtr->running);