diff options
Diffstat (limited to 'generic/tclLiteral.c')
| -rw-r--r-- | generic/tclLiteral.c | 43 |
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", |