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-rw-r--r--generic/tclLiteral.c43
1 files changed, 38 insertions, 5 deletions
diff --git a/generic/tclLiteral.c b/generic/tclLiteral.c
index 2cba18d..e2ee9b4 100644
--- a/generic/tclLiteral.c
+++ b/generic/tclLiteral.c
@@ -32,6 +32,10 @@ static int AddLocalLiteralEntry(CompileEnv *envPtr,
Tcl_Obj *objPtr, int localHash);
static void ExpandLocalLiteralArray(CompileEnv *envPtr);
static unsigned HashString(const char *string, int length);
+#ifdef TCL_COMPILE_DEBUG
+static LiteralEntry * LookupLiteralEntry(Tcl_Interp *interp,
+ Tcl_Obj *objPtr);
+#endif
static void RebuildLiteralTable(LiteralTable *tablePtr);
/*
@@ -239,7 +243,7 @@ TclCreateLiteral(
}
#ifdef TCL_COMPILE_DEBUG
- if (TclLookupLiteralEntry((Tcl_Interp *) iPtr, objPtr) != NULL) {
+ if (LookupLiteralEntry((Tcl_Interp *) iPtr, objPtr) != NULL) {
Tcl_Panic("%s: literal \"%.*s\" found globally but shouldn't be",
"TclRegisterLiteral", (length>60? 60 : length), bytes);
}
@@ -301,6 +305,33 @@ TclCreateLiteral(
/*
*----------------------------------------------------------------------
*
+ * TclFetchLiteral --
+ *
+ * Fetch from a CompileEnv the literal value identified by an index
+ * value, as returned by a prior call to TclRegisterLiteral().
+ *
+ * Results:
+ * The literal value, or NULL if the index is out of range.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Tcl_Obj *
+TclFetchLiteral(
+ CompileEnv *envPtr, /* Points to the CompileEnv from which to
+ * fetch the registered literal value. */
+ unsigned int index) /* Index of the desired literal, as returned
+ * by prior call to TclRegisterLiteral() */
+{
+ if (index >= envPtr->literalArrayNext) {
+ return NULL;
+ }
+ return envPtr->literalArrayPtr[index].objPtr;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
* TclRegisterLiteral --
*
* Find, or if necessary create, an object in a CompileEnv literal array
@@ -414,10 +445,11 @@ TclRegisterLiteral(
return objIndex;
}
+#ifdef TCL_COMPILE_DEBUG
/*
*----------------------------------------------------------------------
*
- * TclLookupLiteralEntry --
+ * LookupLiteralEntry --
*
* Finds the LiteralEntry that corresponds to a literal Tcl object
* holding a literal.
@@ -431,8 +463,8 @@ TclRegisterLiteral(
*----------------------------------------------------------------------
*/
-LiteralEntry *
-TclLookupLiteralEntry(
+static LiteralEntry *
+LookupLiteralEntry(
Tcl_Interp *interp, /* Interpreter for which objPtr was created to
* hold a literal. */
register Tcl_Obj *objPtr) /* Points to a Tcl object holding a literal
@@ -456,6 +488,7 @@ TclLookupLiteralEntry(
return NULL;
}
+#endif
/*
*----------------------------------------------------------------------
*
@@ -1096,7 +1129,7 @@ TclVerifyLocalLiteralTable(
"TclVerifyLocalLiteralTable",
(length>60? 60 : length), bytes, localPtr->refCount);
}
- if (TclLookupLiteralEntry((Tcl_Interp *) envPtr->iPtr,
+ if (LookupLiteralEntry((Tcl_Interp *) envPtr->iPtr,
localPtr->objPtr) == NULL) {
bytes = Tcl_GetStringFromObj(localPtr->objPtr, &length);
Tcl_Panic("%s: local literal \"%.*s\" is not global",