1 files changed, 99 insertions, 11 deletions
diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c
index bce17dc..b9bc228 100644
--- a/generic/tclCompCmds.c
+++ b/generic/tclCompCmds.c
@@ -734,6 +734,105 @@ TclCompileCatchCmd(
     return TCL_OK;
 }
 
+/*----------------------------------------------------------------------
+ *
+ * TclCompileClockClicksCmd --
+ *
+ *	Procedure called to compile the "tcl::clock::clicks" command.
+ *
+ * Results:
+ *	Returns TCL_OK for a successful compile. Returns TCL_ERROR to defer
+ *	evaluation to run time.
+ *
+ * Side effects:
+ *	Instructions are added to envPtr to execute the "clock clicks"
+ *	command at runtime.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TclCompileClockClicksCmd(
+    Tcl_Interp* interp,		/* Tcl interpreter */
+    Tcl_Parse *parsePtr,	/* Points to a parse structure for the command
+				 * created by Tcl_ParseCommand. */
+    Command *cmdPtr,		/* Points to defintion of command being
+				 * compiled. */
+    CompileEnv *envPtr)		/* Holds resulting instructions. */
+{
+    Tcl_Token* tokenPtr;
+
+    switch (parsePtr->numWords) {
+    case 1:
+	/*
+	 * No args
+	 */
+	TclEmitInstInt1(INST_CLOCK_READ, 0, envPtr);
+	break;
+    case 2:
+	/*
+	 * -milliseconds or -microseconds
+	 */
+	tokenPtr = TokenAfter(parsePtr->tokenPtr);
+	if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD
+	    || tokenPtr[1].size < 4
+	    || tokenPtr[1].size > 13) {
+	    return TCL_ERROR;
+	} else if (!strncmp(tokenPtr[1].start, "-microseconds",
+			    tokenPtr[1].size)) {
+	    TclEmitInstInt1(INST_CLOCK_READ, 1, envPtr);
+	    break;
+	} else if (!strncmp(tokenPtr[1].start, "-milliseconds",
+			    tokenPtr[1].size)) {
+	    TclEmitInstInt1(INST_CLOCK_READ, 2, envPtr);
+	    break;
+	} else {
+	    return TCL_ERROR;
+	}
+    default:
+	return TCL_ERROR;
+    }
+    return TCL_OK;
+}
+
+
+/*----------------------------------------------------------------------
+ *
+ * TclCompileClockReadingCmd --
+ *
+ *	Procedure called to compile the "tcl::clock::microseconds",
+ *	"tcl::clock::milliseconds" and "tcl::clock::seconds" commands.
+ *
+ * Results:
+ *	Returns TCL_OK for a successful compile. Returns TCL_ERROR to defer
+ *	evaluation to run time.
+ *
+ * Side effects:
+ *	Instructions are added to envPtr to execute the "clock clicks"
+ *	command at runtime.
+ *
+ * Client data is 1 for microseconds, 2 for milliseconds, 3 for seconds.
+ *----------------------------------------------------------------------
+ */
+
+int
+TclCompileClockReadingCmd(
+    Tcl_Interp* interp,		/* Tcl interpreter */
+    Tcl_Parse *parsePtr,	/* Points to a parse structure for the command
+				 * created by Tcl_ParseCommand. */
+    Command *cmdPtr,		/* Points to defintion of command being
+				 * compiled. */
+    CompileEnv *envPtr)		/* Holds resulting instructions. */
+{
+    if (parsePtr->numWords != 1) {
+	return TCL_ERROR;
+    }
+
+    TclEmitInstInt1(INST_CLOCK_READ, PTR2INT(cmdPtr->objClientData), envPtr);
+
+    return TCL_OK;
+}
+
 /*
  *----------------------------------------------------------------------
  *
@@ -3206,17 +3305,6 @@ TclCompileFormatCmd(
 	 */
 
 	TclEmitInstInt1(INST_STR_CONCAT1, i, envPtr);
-    } else {
-	/*
-	 * EVIL HACK! Force there to be a string representation in the case
-	 * where there's just a "%s" in the format; case covered by the test
-	 * format-20.1 (and it is horrible...)
-	 */
-
-	TclEmitOpcode(INST_DUP, envPtr);
-	PushStringLiteral(envPtr, "");
-	TclEmitOpcode(INST_STR_EQ, envPtr);
-	TclEmitOpcode(INST_POP, envPtr);
     }
     return TCL_OK;
 }