summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--generic/tclBasic.c119
-rw-r--r--generic/tclCompile.c19
-rw-r--r--generic/tclCompile.h4
-rw-r--r--generic/tclExecute.c8
-rw-r--r--generic/tclInt.h1
-rw-r--r--generic/tclObj.c38
-rw-r--r--generic/tclParse.c14
-rw-r--r--tests/parse.test6
8 files changed, 39 insertions, 170 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c
index baa2f2c..7110025 100644
--- a/generic/tclBasic.c
+++ b/generic/tclBasic.c
@@ -5011,12 +5011,11 @@ TclEvalEx(
/*
* TIP #280 Initialize tracking. Do not push on the frame stack yet.
*
- * We may continue counting based on a specific context (CTX), or open a
- * new context, either for a sourced script, or 'eval'. For sourced files
- * we always have a path object, even if nothing was specified in the
- * interp itself. That makes code using it simpler as NULL checks can be
- * left out. Sourced file without path in the 'scriptFile' is possible
- * during Tcl initialization.
+ * We open a new context, either for a sourced script, or 'eval'.
+ * For sourced files we always have a path object, even if nothing was
+ * specified in the interp itself. That makes code using it simpler as
+ * NULL checks can be left out. Sourced file without path in the
+ * 'scriptFile' is possible during Tcl initialization.
*/
eeFramePtr->level = iPtr->cmdFramePtr ? iPtr->cmdFramePtr->level + 1 : 1;
@@ -5027,15 +5026,7 @@ TclEvalEx(
eeFramePtr->line = NULL;
iPtr->cmdFramePtr = eeFramePtr;
- if (iPtr->evalFlags & TCL_EVAL_CTX) {
- /*
- * Path information comes out of the context.
- */
-
- eeFramePtr->type = TCL_LOCATION_SOURCE;
- eeFramePtr->data.eval.path = iPtr->invokeCmdFramePtr->data.eval.path;
- Tcl_IncrRefCount(eeFramePtr->data.eval.path);
- } else if (iPtr->evalFlags & TCL_EVAL_FILE) {
+ if (iPtr->evalFlags & TCL_EVAL_FILE) {
/*
* Set up for a sourced file.
*/
@@ -5902,6 +5893,11 @@ Tcl_GlobalEvalObj(
* compiled into bytecodes if necessary, unless TCL_EVAL_DIRECT is
* specified.
*
+ * If the flag TCL_EVAL_DIRECT is passed in, the value of invoker
+ * must be NULL. Support for non-NULL invokers in that mode has
+ * been removed since it was unused and untested. Failure to
+ * follow this limitation will lead to an assertion panic.
+ *
* Results:
* The return value is one of the return codes defined in tcl.h (such as
* TCL_OK), and the interpreter's result contains a value to supplement
@@ -6076,14 +6072,6 @@ TclNREvalObjEx(
* We're not supposed to use the compiler or byte-code
* interpreter. Let Tcl_EvalEx evaluate the command directly (and
* probably more slowly).
- *
- * TIP #280. Propagate context as much as we can. Especially if the
- * script to evaluate is a single literal it makes sense to look if
- * our context is one with absolute line numbers we can then track
- * into the literal itself too.
- *
- * See also tclCompile.c, TclInitCompileEnv, for the equivalent code
- * in the bytecode compiler.
*/
const char *script;
@@ -6107,92 +6095,19 @@ TclNREvalObjEx(
*/
ContLineLoc *saveCLLocPtr = iPtr->scriptCLLocPtr;
- ContLineLoc *clLocPtr = TclContinuationsGet(objPtr);
-
- if (clLocPtr) {
- iPtr->scriptCLLocPtr = clLocPtr;
- Tcl_Preserve(iPtr->scriptCLLocPtr);
- } else {
- iPtr->scriptCLLocPtr = NULL;
- }
-
- Tcl_IncrRefCount(objPtr);
- if (invoker == NULL) {
- /*
- * No context, force opening of our own.
- */
-
- script = Tcl_GetStringFromObj(objPtr, &numSrcBytes);
- result = Tcl_EvalEx(interp, script, numSrcBytes, flags);
- } else {
- /*
- * We have an invoker, describing the command asking for the
- * evaluation of a subordinate script. This script may originate
- * in a literal word, or from a variable, etc. Using the line
- * array we now check if we have good line information for the
- * relevant word. The type of context is relevant as well. In a
- * non-'source' context we don't have to try tracking lines.
- *
- * First see if the word exists and is a literal. If not we go
- * through the easy dynamic branch. No need to perform more
- * complex invokations.
- */
-
- int pc = 0;
- CmdFrame *ctxPtr = TclStackAlloc(interp, sizeof(CmdFrame));
-
- *ctxPtr = *invoker;
- if (invoker->type == TCL_LOCATION_BC) {
- /*
- * Note: Type BC => ctxPtr->data.eval.path is not used.
- * ctxPtr->data.tebc.codePtr is used instead.
- */
-
- TclGetSrcInfoForPc(ctxPtr);
- pc = 1;
- }
-
- script = Tcl_GetStringFromObj(objPtr, &numSrcBytes);
- if ((invoker->nline <= word) ||
- (invoker->line[word] < 0) ||
- (ctxPtr->type != TCL_LOCATION_SOURCE)) {
- /*
- * Dynamic script, or dynamic context, force our own context.
- */
-
- result = Tcl_EvalEx(interp, script, numSrcBytes, flags);
- } else {
- /*
- * Absolute context to reuse.
- */
+ assert(invoker == NULL);
- iPtr->invokeCmdFramePtr = ctxPtr;
- iPtr->evalFlags |= TCL_EVAL_CTX;
+ iPtr->scriptCLLocPtr = TclContinuationsGet(objPtr);
- result = TclEvalEx(interp, script, numSrcBytes, flags,
- ctxPtr->line[word], NULL, script);
- }
- if (pc && (ctxPtr->type == TCL_LOCATION_SOURCE)) {
- /*
- * Death of SrcInfo reference.
- */
+ Tcl_IncrRefCount(objPtr);
- Tcl_DecrRefCount(ctxPtr->data.eval.path);
- }
- TclStackFree(interp, ctxPtr);
- }
+ script = Tcl_GetStringFromObj(objPtr, &numSrcBytes);
+ result = Tcl_EvalEx(interp, script, numSrcBytes, flags);
- /*
- * Now release the lock on the continuation line information, if any,
- * and restore the caller's settings.
- */
+ TclDecrRefCount(objPtr);
- if (iPtr->scriptCLLocPtr) {
- Tcl_Release(iPtr->scriptCLLocPtr);
- }
iPtr->scriptCLLocPtr = saveCLLocPtr;
- TclDecrRefCount(objPtr);
return result;
}
}
diff --git a/generic/tclCompile.c b/generic/tclCompile.c
index 618b6fa..f5c8d41 100644
--- a/generic/tclCompile.c
+++ b/generic/tclCompile.c
@@ -713,9 +713,7 @@ TclSetByteCodeFromAny(
clLocPtr = TclContinuationsGet(objPtr);
if (clLocPtr) {
- compEnv.clLoc = clLocPtr;
- compEnv.clNext = &compEnv.clLoc->loc[0];
- Tcl_Preserve(compEnv.clLoc);
+ compEnv.clNext = &clLocPtr->loc[0];
}
TclCompileScript(interp, stringPtr, length, &compEnv);
@@ -742,9 +740,7 @@ TclSetByteCodeFromAny(
TclInitCompileEnv(interp, &compEnv, stringPtr, length,
iPtr->invokeCmdFramePtr, iPtr->invokeWord);
if (clLocPtr) {
- compEnv.clLoc = clLocPtr;
- compEnv.clNext = &compEnv.clLoc->loc[0];
- Tcl_Preserve(compEnv.clLoc);
+ compEnv.clNext = &clLocPtr->loc[0];
}
compEnv.atCmdStart = 2; /* The disabling magic. */
TclCompileScript(interp, stringPtr, length, &compEnv);
@@ -1489,7 +1485,6 @@ TclInitCompileEnv(
* data is available.
*/
- envPtr->clLoc = NULL;
envPtr->clNext = NULL;
envPtr->auxDataArrayPtr = envPtr->staticAuxDataArraySpace;
@@ -1574,16 +1569,6 @@ TclFreeCompileEnv(
ReleaseCmdWordData(envPtr->extCmdMapPtr);
envPtr->extCmdMapPtr = NULL;
}
-
- /*
- * If we used data about invisible continuation lines, then now is the
- * time to release on our hold on it. The lock was set in function
- * TclSetByteCodeFromAny(), found in this file.
- */
-
- if (envPtr->clLoc) {
- Tcl_Release(envPtr->clLoc);
- }
}
/*
diff --git a/generic/tclCompile.h b/generic/tclCompile.h
index beb28fd..5660055 100644
--- a/generic/tclCompile.h
+++ b/generic/tclCompile.h
@@ -365,10 +365,6 @@ typedef struct CompileEnv {
* encountered that have not yet been paired
* with a corresponding
* INST_INVOKE_EXPANDED. */
- ContLineLoc *clLoc; /* If not NULL, the table holding the
- * locations of the invisible continuation
- * lines in the input script, to adjust the
- * line counter. */
int *clNext; /* If not NULL, it refers to the next slot in
* clLoc to check for an invisible
* continuation line. */
diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index 11e9920..f6072a1 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.c
@@ -8774,13 +8774,15 @@ TclGetSrcInfoForPc(
{
ByteCode *codePtr = (ByteCode *) cfPtr->data.tebc.codePtr;
- if (cfPtr->cmd == NULL) {
+ assert(cfPtr->type == TCL_LOCATION_BC);
+ assert(cfPtr->cmd == NULL);
+
cfPtr->cmd = GetSrcInfoForPc(
(unsigned char *) cfPtr->data.tebc.pc, codePtr,
&cfPtr->len, NULL, NULL);
- }
- if (cfPtr->cmd != NULL) {
+ assert(cfPtr->cmd != NULL);
+ {
/*
* We now have the command. We can get the srcOffset back and from
* there find the list of word locations for this command.
diff --git a/generic/tclInt.h b/generic/tclInt.h
index cd4ab7d..99f1305 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -2201,7 +2201,6 @@ typedef struct Interp {
#define TCL_ALLOW_EXCEPTIONS 4
#define TCL_EVAL_FILE 2
-#define TCL_EVAL_CTX 8
/*
* Flag bits for Interp structures:
diff --git a/generic/tclObj.c b/generic/tclObj.c
index 542d6d1..930e1fd 100644
--- a/generic/tclObj.c
+++ b/generic/tclObj.c
@@ -97,7 +97,6 @@ typedef struct ThreadSpecificData {
static Tcl_ThreadDataKey dataKey;
-static void ContLineLocFree(char *clientData);
static void TclThreadFinalizeContLines(ClientData clientData);
static ThreadSpecificData *TclGetContLineTable(void);
@@ -805,14 +804,7 @@ TclThreadFinalizeContLines(
for (hPtr = Tcl_FirstHashEntry(tsdPtr->lineCLPtr, &hSearch);
hPtr != NULL; hPtr = Tcl_NextHashEntry(&hSearch)) {
- /*
- * We are not using Tcl_EventuallyFree (as in TclFreeObj()) because
- * here we can be sure that the compiler will not hold references to
- * the data in the hashtable, and using TEF might bork the
- * finalization sequence.
- */
-
- ContLineLocFree(Tcl_GetHashValue(hPtr));
+ ckfree(Tcl_GetHashValue(hPtr));
Tcl_DeleteHashEntry(hPtr);
}
Tcl_DeleteHashTable(tsdPtr->lineCLPtr);
@@ -821,30 +813,6 @@ TclThreadFinalizeContLines(
}
/*
- *----------------------------------------------------------------------
- *
- * ContLineLocFree --
- *
- * The freProc for continuation line location tables.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Releases memory.
- *
- * TIP #280
- *----------------------------------------------------------------------
- */
-
-static void
-ContLineLocFree(
- char *clientData)
-{
- ckfree(clientData);
-}
-
-/*
*--------------------------------------------------------------
*
* Tcl_RegisterObjType --
@@ -1405,7 +1373,7 @@ TclFreeObj(
if (tsdPtr->lineCLPtr) {
hPtr = Tcl_FindHashEntry(tsdPtr->lineCLPtr, objPtr);
if (hPtr) {
- Tcl_EventuallyFree(Tcl_GetHashValue(hPtr), ContLineLocFree);
+ ckfree(Tcl_GetHashValue(hPtr));
Tcl_DeleteHashEntry(hPtr);
}
}
@@ -1496,7 +1464,7 @@ TclFreeObj(
if (tsdPtr->lineCLPtr) {
hPtr = Tcl_FindHashEntry(tsdPtr->lineCLPtr, objPtr);
if (hPtr) {
- Tcl_EventuallyFree(Tcl_GetHashValue(hPtr), ContLineLocFree);
+ ckfree(Tcl_GetHashValue(hPtr));
Tcl_DeleteHashEntry(hPtr);
}
}
diff --git a/generic/tclParse.c b/generic/tclParse.c
index 6723d39..c5cb1d1 100644
--- a/generic/tclParse.c
+++ b/generic/tclParse.c
@@ -13,6 +13,7 @@
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
+#include <assert.h>
#include "tclInt.h"
#include "tclParse.h"
@@ -1578,16 +1579,13 @@ Tcl_ParseVar(
* At this point we should have an object containing the value of a
* variable. Just return the string from that object.
*
- * This should have returned the object for the user to manage, but
- * instead we have some weak reference to the string value in the object,
- * which is why we make sure the object exists after resetting the result.
- * This isn't ideal, but it's the best we can do with the current
- * documented interface. -- hobbs
+ * Since TclSubstTokens above returned TCL_OK, we know that objPtr
+ * is shared. It is in both the interp result and the value of the
+ * variable. Returning the string relies on that to be true.
*/
- if (!Tcl_IsShared(objPtr)) {
- Tcl_IncrRefCount(objPtr);
- }
+ assert( Tcl_IsShared(objPtr) );
+
Tcl_ResetResult(interp);
return TclGetString(objPtr);
}
diff --git a/tests/parse.test b/tests/parse.test
index 9f2d50b..01443c9 100644
--- a/tests/parse.test
+++ b/tests/parse.test
@@ -1118,6 +1118,12 @@ test parse-21.0 {Bug 1884496} testevent {
testevent queue a head $::script
vwait done
} {}
+test parse-21.1 {TCL_EVAL_DIRECT coverage} testevent {
+ testevent queue a head {testevent delete a; \
+ set ::done [dict get [info frame 0] line]}
+ vwait done
+ set ::done
+} 2
cleanupTests
}
generated by cgit v0.12 at 2024-11-18 16:20:06 (GMT)