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-rw-r--r--generic/tclCompCmds.c289
-rw-r--r--generic/tclCompCmdsGR.c1
-rw-r--r--generic/tclCompCmdsSZ.c20
-rw-r--r--generic/tclCompile.h14
4 files changed, 108 insertions, 216 deletions
diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c
index 253f9a8..25c4bac 100644
--- a/generic/tclCompCmds.c
+++ b/generic/tclCompCmds.c
@@ -317,10 +317,10 @@ TclCompileArraySetCmd(
* Prepare for the internal foreach.
*/
- dataVar = TclFindCompiledLocal(NULL, 0, 1, envPtr);
- iterVar = TclFindCompiledLocal(NULL, 0, 1, envPtr);
- keyVar = TclFindCompiledLocal(NULL, 0, 1, envPtr);
- valVar = TclFindCompiledLocal(NULL, 0, 1, envPtr);
+ dataVar = AnonymousLocal(envPtr);
+ iterVar = AnonymousLocal(envPtr);
+ keyVar = AnonymousLocal(envPtr);
+ valVar = AnonymousLocal(envPtr);
infoPtr = ckalloc(sizeof(ForeachInfo) + sizeof(ForeachVarList *));
infoPtr->numLists = 1;
@@ -543,8 +543,7 @@ TclCompileCatchCmd(
{
JumpFixup jumpFixup;
Tcl_Token *cmdTokenPtr, *resultNameTokenPtr, *optsNameTokenPtr;
- const char *name;
- int resultIndex, optsIndex, nameChars, range;
+ int resultIndex, optsIndex, range;
int initStackDepth = envPtr->currStackDepth;
int savedStackDepth;
DefineLineInformation; /* TIP #280 */
@@ -577,17 +576,7 @@ TclCompileCatchCmd(
if (parsePtr->numWords >= 3) {
resultNameTokenPtr = TokenAfter(cmdTokenPtr);
/* DGP */
- if (resultNameTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
- return TCL_ERROR;
- }
-
- name = resultNameTokenPtr[1].start;
- nameChars = resultNameTokenPtr[1].size;
- if (!TclIsLocalScalar(name, nameChars)) {
- return TCL_ERROR;
- }
- resultIndex = TclFindCompiledLocal(resultNameTokenPtr[1].start,
- resultNameTokenPtr[1].size, /*create*/ 1, envPtr);
+ resultIndex = LocalScalarFromToken(resultNameTokenPtr, envPtr);
if (resultIndex < 0) {
return TCL_ERROR;
}
@@ -595,16 +584,7 @@ TclCompileCatchCmd(
/* DKF */
if (parsePtr->numWords == 4) {
optsNameTokenPtr = TokenAfter(resultNameTokenPtr);
- if (optsNameTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
- return TCL_ERROR;
- }
- name = optsNameTokenPtr[1].start;
- nameChars = optsNameTokenPtr[1].size;
- if (!TclIsLocalScalar(name, nameChars)) {
- return TCL_ERROR;
- }
- optsIndex = TclFindCompiledLocal(optsNameTokenPtr[1].start,
- optsNameTokenPtr[1].size, /*create*/ 1, envPtr);
+ optsIndex = LocalScalarFromToken(optsNameTokenPtr, envPtr);
if (optsIndex < 0) {
return TCL_ERROR;
}
@@ -871,11 +851,9 @@ TclCompileDictSetCmd(
CompileEnv *envPtr) /* Holds resulting instructions. */
{
Tcl_Token *tokenPtr;
- int numWords, i;
+ int numWords, i, dictVarIndex;
DefineLineInformation; /* TIP #280 */
Tcl_Token *varTokenPtr;
- int dictVarIndex, nameChars;
- const char *name;
/*
* There must be at least one argument after the command.
@@ -892,15 +870,7 @@ TclCompileDictSetCmd(
*/
varTokenPtr = TokenAfter(parsePtr->tokenPtr);
- if (varTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
- return TCL_ERROR;
- }
- name = varTokenPtr[1].start;
- nameChars = varTokenPtr[1].size;
- if (!TclIsLocalScalar(name, nameChars)) {
- return TCL_ERROR;
- }
- dictVarIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr);
+ dictVarIndex = LocalScalarFromToken(varTokenPtr, envPtr);
if (dictVarIndex < 0) {
return TCL_ERROR;
}
@@ -937,8 +907,7 @@ TclCompileDictIncrCmd(
{
DefineLineInformation; /* TIP #280 */
Tcl_Token *varTokenPtr, *keyTokenPtr;
- int dictVarIndex, nameChars, incrAmount;
- const char *name;
+ int dictVarIndex, incrAmount;
/*
* There must be at least two arguments after the command.
@@ -984,15 +953,7 @@ TclCompileDictIncrCmd(
* discover what the index is.
*/
- if (varTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
- return TclCompileBasic2Or3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- }
- name = varTokenPtr[1].start;
- nameChars = varTokenPtr[1].size;
- if (!TclIsLocalScalar(name, nameChars)) {
- return TclCompileBasic2Or3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- }
- dictVarIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr);
+ dictVarIndex = LocalScalarFromToken(varTokenPtr, envPtr);
if (dictVarIndex < 0) {
return TclCompileBasic2Or3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
}
@@ -1092,8 +1053,7 @@ TclCompileDictUnsetCmd(
{
Tcl_Token *tokenPtr;
DefineLineInformation; /* TIP #280 */
- int i, dictVarIndex, nameChars;
- const char *name;
+ int i, dictVarIndex;
/*
* There must be at least one argument after the variable name for us to
@@ -1111,15 +1071,7 @@ TclCompileDictUnsetCmd(
*/
tokenPtr = TokenAfter(parsePtr->tokenPtr);
- if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
- return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- }
- name = tokenPtr[1].start;
- nameChars = tokenPtr[1].size;
- if (!TclIsLocalScalar(name, nameChars)) {
- return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- }
- dictVarIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr);
+ dictVarIndex = LocalScalarFromToken(tokenPtr, envPtr);
if (dictVarIndex < 0) {
return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
}
@@ -1210,7 +1162,7 @@ TclCompileDictCreateCmd(
*/
nonConstant:
- worker = TclFindCompiledLocal(NULL, 0, 1, envPtr);
+ worker = AnonymousLocal(envPtr);
if (worker < 0) {
return TclCompileBasicMin0ArgCmd(interp, parsePtr, cmdPtr, envPtr);
}
@@ -1271,11 +1223,11 @@ TclCompileDictMergeCmd(
* command when there's an LVT present.
*/
- workerIndex = TclFindCompiledLocal(NULL, 0, 1, envPtr);
+ workerIndex = AnonymousLocal(envPtr);
if (workerIndex < 0) {
return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
}
- infoIndex = TclFindCompiledLocal(NULL, 0, 1, envPtr);
+ infoIndex = AnonymousLocal(envPtr);
/*
* Get the first dictionary and verify that it is so.
@@ -1421,8 +1373,7 @@ CompileDictEachCmd(
*/
if (collect == TCL_EACH_COLLECT) {
- collectVar = TclFindCompiledLocal(NULL, /*nameChars*/ 0, /*create*/ 1,
- envPtr);
+ collectVar = AnonymousLocal(envPtr);
if (collectVar < 0) {
return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
}
@@ -1447,18 +1398,9 @@ CompileDictEachCmd(
}
nameChars = strlen(argv[0]);
- if (!TclIsLocalScalar(argv[0], nameChars)) {
- ckfree(argv);
- return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- }
- keyVarIndex = TclFindCompiledLocal(argv[0], nameChars, 1, envPtr);
-
+ keyVarIndex = LocalScalar(argv[0], nameChars, envPtr);
nameChars = strlen(argv[1]);
- if (!TclIsLocalScalar(argv[1], nameChars)) {
- ckfree(argv);
- return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- }
- valueVarIndex = TclFindCompiledLocal(argv[1], nameChars, 1, envPtr);
+ valueVarIndex = LocalScalar(argv[1], nameChars, envPtr);
ckfree(argv);
if ((keyVarIndex < 0) || (valueVarIndex < 0)) {
@@ -1472,7 +1414,7 @@ CompileDictEachCmd(
* (at which point it should also have been finished with).
*/
- infoIndex = TclFindCompiledLocal(NULL, 0, 1, envPtr);
+ infoIndex = AnonymousLocal(envPtr);
if (infoIndex < 0) {
return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
}
@@ -1496,9 +1438,6 @@ CompileDictEachCmd(
*/
CompileWord(envPtr, dictTokenPtr, interp, 3);
- TclEmitInstInt4( INST_DICT_FIRST, infoIndex, envPtr);
- emptyTargetOffset = CurrentOffset(envPtr);
- TclEmitInstInt4( INST_JUMP_TRUE4, 0, envPtr);
/*
* Now we catch errors from here on so that we can finalize the search
@@ -1509,6 +1448,10 @@ CompileDictEachCmd(
TclEmitInstInt4( INST_BEGIN_CATCH4, catchRange, envPtr);
ExceptionRangeStarts(envPtr, catchRange);
+ TclEmitInstInt4( INST_DICT_FIRST, infoIndex, envPtr);
+ emptyTargetOffset = CurrentOffset(envPtr);
+ TclEmitInstInt4( INST_JUMP_TRUE4, 0, envPtr);
+
/*
* Inside the iteration, write the loop variables.
*/
@@ -1559,24 +1502,8 @@ CompileDictEachCmd(
TclEmitInstInt4( INST_DICT_NEXT, infoIndex, envPtr);
jumpDisplacement = bodyTargetOffset - CurrentOffset(envPtr);
TclEmitInstInt4( INST_JUMP_FALSE4, jumpDisplacement, envPtr);
- TclEmitOpcode( INST_POP, envPtr);
- TclEmitOpcode( INST_POP, envPtr);
-
- /*
- * Now do the final cleanup for the no-error case (this is where we break
- * out of the loop to) by force-terminating the iteration (if not already
- * terminated), ditching the exception info and jumping to the last
- * instruction for this command. In theory, this could be done using the
- * "finally" clause (next generated) but this is faster.
- */
-
- ExceptionRangeTarget(envPtr, loopRange, breakOffset);
- TclFinalizeLoopExceptionRange(envPtr, loopRange);
- TclEmitInstInt1( INST_UNSET_SCALAR, 0, envPtr);
- TclEmitInt4( infoIndex, envPtr);
- TclEmitOpcode( INST_END_CATCH, envPtr);
endTargetOffset = CurrentOffset(envPtr);
- TclEmitInstInt4( INST_JUMP4, 0, envPtr);
+ TclEmitInstInt1( INST_JUMP1, 0, envPtr);
/*
* Error handler "finally" clause, which force-terminates the iteration
@@ -1586,9 +1513,9 @@ CompileDictEachCmd(
ExceptionRangeTarget(envPtr, catchRange, catchOffset);
TclEmitOpcode( INST_PUSH_RETURN_OPTIONS, envPtr);
TclEmitOpcode( INST_PUSH_RESULT, envPtr);
+ TclEmitOpcode( INST_END_CATCH, envPtr);
TclEmitInstInt1( INST_UNSET_SCALAR, 0, envPtr);
TclEmitInt4( infoIndex, envPtr);
- TclEmitOpcode( INST_END_CATCH, envPtr);
if (collect == TCL_EACH_COLLECT) {
TclEmitInstInt1(INST_UNSET_SCALAR, 0, envPtr);
TclEmitInt4( collectVar, envPtr);
@@ -1605,10 +1532,14 @@ CompileDictEachCmd(
jumpDisplacement = CurrentOffset(envPtr) - emptyTargetOffset;
TclUpdateInstInt4AtPc(INST_JUMP_TRUE4, jumpDisplacement,
envPtr->codeStart + emptyTargetOffset);
+ jumpDisplacement = CurrentOffset(envPtr) - endTargetOffset;
+ TclUpdateInstInt1AtPc(INST_JUMP1, jumpDisplacement,
+ envPtr->codeStart + endTargetOffset);
TclEmitOpcode( INST_POP, envPtr);
TclEmitOpcode( INST_POP, envPtr);
- TclEmitInstInt1( INST_UNSET_SCALAR, 0, envPtr);
- TclEmitInt4( infoIndex, envPtr);
+ ExceptionRangeTarget(envPtr, loopRange, breakOffset);
+ TclFinalizeLoopExceptionRange(envPtr, loopRange);
+ TclEmitOpcode( INST_END_CATCH, envPtr);
/*
* Final stage of the command (normal case) is that we push an empty
@@ -1616,9 +1547,8 @@ CompileDictEachCmd(
* last to promote peephole optimization when it's dropped immediately.
*/
- jumpDisplacement = CurrentOffset(envPtr) - endTargetOffset;
- TclUpdateInstInt4AtPc(INST_JUMP4, jumpDisplacement,
- envPtr->codeStart + endTargetOffset);
+ TclEmitInstInt1( INST_UNSET_SCALAR, 0, envPtr);
+ TclEmitInt4( infoIndex, envPtr);
if (collect == TCL_EACH_COLLECT) {
Emit14Inst( INST_LOAD_SCALAR, collectVar, envPtr);
TclEmitInstInt1(INST_UNSET_SCALAR, 0, envPtr);
@@ -1639,10 +1569,8 @@ TclCompileDictUpdateCmd(
CompileEnv *envPtr) /* Holds resulting instructions. */
{
DefineLineInformation; /* TIP #280 */
- const char *name;
- int i, nameChars, dictIndex, numVars, range, infoIndex;
+ int i, dictIndex, numVars, range, infoIndex;
Tcl_Token **keyTokenPtrs, *dictVarTokenPtr, *bodyTokenPtr, *tokenPtr;
- int savedStackDepth = envPtr->currStackDepth;
DictUpdateInfo *duiPtr;
JumpFixup jumpFixup;
@@ -1671,17 +1599,9 @@ TclCompileDictUpdateCmd(
*/
dictVarTokenPtr = TokenAfter(parsePtr->tokenPtr);
- if (dictVarTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
- return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- }
- name = dictVarTokenPtr[1].start;
- nameChars = dictVarTokenPtr[1].size;
- if (!TclIsLocalScalar(name, nameChars)) {
- return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- }
- dictIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr);
+ dictIndex = LocalScalarFromToken(dictVarTokenPtr, envPtr);
if (dictIndex < 0) {
- return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
+ goto issueFallback;
}
/*
@@ -1692,8 +1612,7 @@ TclCompileDictUpdateCmd(
duiPtr = ckalloc(sizeof(DictUpdateInfo) + sizeof(int) * (numVars - 1));
duiPtr->length = numVars;
- keyTokenPtrs = TclStackAlloc(interp,
- sizeof(Tcl_Token *) * numVars);
+ keyTokenPtrs = TclStackAlloc(interp, sizeof(Tcl_Token *) * numVars);
tokenPtr = TokenAfter(dictVarTokenPtr);
for (i=0 ; i<numVars ; i++) {
@@ -1702,37 +1621,21 @@ TclCompileDictUpdateCmd(
*/
keyTokenPtrs[i] = tokenPtr;
-
- /*
- * Variables first need to be checked for sanity.
- */
-
tokenPtr = TokenAfter(tokenPtr);
- if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
- goto failedUpdateInfoAssembly;
- }
- name = tokenPtr[1].start;
- nameChars = tokenPtr[1].size;
- if (!TclIsLocalScalar(name, nameChars)) {
- goto failedUpdateInfoAssembly;
- }
/*
- * Stash the index in the auxiliary data.
+ * Stash the index in the auxiliary data (if it is indeed a local
+ * scalar that is resolvable at compile-time).
*/
- duiPtr->varIndices[i] =
- TclFindCompiledLocal(name, nameChars, 1, envPtr);
+ duiPtr->varIndices[i] = LocalScalarFromToken(tokenPtr, envPtr);
if (duiPtr->varIndices[i] < 0) {
goto failedUpdateInfoAssembly;
}
tokenPtr = TokenAfter(tokenPtr);
}
if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
- failedUpdateInfoAssembly:
- ckfree(duiPtr);
- TclStackFree(interp, keyTokenPtrs);
- return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
+ goto failedUpdateInfoAssembly;
}
bodyTokenPtr = tokenPtr;
@@ -1748,16 +1651,14 @@ TclCompileDictUpdateCmd(
}
TclEmitInstInt4( INST_LIST, numVars, envPtr);
TclEmitInstInt4( INST_DICT_UPDATE_START, dictIndex, envPtr);
- TclEmitInt4( infoIndex, envPtr);
+ TclEmitInt4( infoIndex, envPtr);
range = TclCreateExceptRange(CATCH_EXCEPTION_RANGE, envPtr);
TclEmitInstInt4( INST_BEGIN_CATCH4, range, envPtr);
ExceptionRangeStarts(envPtr, range);
- envPtr->currStackDepth++;
SetLineInformation(parsePtr->numWords - 1);
CompileBody(envPtr, bodyTokenPtr, interp);
- envPtr->currStackDepth = savedStackDepth;
ExceptionRangeEnds(envPtr, range);
/*
@@ -1768,7 +1669,7 @@ TclCompileDictUpdateCmd(
TclEmitOpcode( INST_END_CATCH, envPtr);
TclEmitInstInt4( INST_REVERSE, 2, envPtr);
TclEmitInstInt4( INST_DICT_UPDATE_END, dictIndex, envPtr);
- TclEmitInt4( infoIndex, envPtr);
+ TclEmitInt4( infoIndex, envPtr);
/*
* Jump around the exceptional termination code.
@@ -1789,7 +1690,7 @@ TclCompileDictUpdateCmd(
TclEmitInstInt4( INST_REVERSE, 3, envPtr);
TclEmitInstInt4( INST_DICT_UPDATE_END, dictIndex, envPtr);
- TclEmitInt4( infoIndex, envPtr);
+ TclEmitInt4( infoIndex, envPtr);
TclEmitOpcode( INST_RETURN_STK, envPtr);
if (TclFixupForwardJumpToHere(envPtr, &jumpFixup, 127)) {
@@ -1797,8 +1698,17 @@ TclCompileDictUpdateCmd(
(int) (CurrentOffset(envPtr) - jumpFixup.codeOffset));
}
TclStackFree(interp, keyTokenPtrs);
- envPtr->currStackDepth = savedStackDepth + 1;
return TCL_OK;
+
+ /*
+ * Clean up after a failure to create the DictUpdateInfo structure.
+ */
+
+ failedUpdateInfoAssembly:
+ ckfree(duiPtr);
+ TclStackFree(interp, keyTokenPtrs);
+ issueFallback:
+ return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
}
int
@@ -1829,19 +1739,9 @@ TclCompileDictAppendCmd(
*/
tokenPtr = TokenAfter(parsePtr->tokenPtr);
- if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
- return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- } else {
- register const char *name = tokenPtr[1].start;
- register int nameChars = tokenPtr[1].size;
-
- if (!TclIsLocalScalar(name, nameChars)) {
- return TclCompileBasicMin2ArgCmd(interp, parsePtr,cmdPtr, envPtr);
- }
- dictVarIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr);
- if (dictVarIndex < 0) {
- return TclCompileBasicMin2ArgCmd(interp, parsePtr,cmdPtr, envPtr);
- }
+ dictVarIndex = LocalScalarFromToken(tokenPtr, envPtr);
+ if (dictVarIndex < 0) {
+ return TclCompileBasicMin2ArgCmd(interp, parsePtr,cmdPtr, envPtr);
}
/*
@@ -1876,8 +1776,7 @@ TclCompileDictLappendCmd(
{
DefineLineInformation; /* TIP #280 */
Tcl_Token *varTokenPtr, *keyTokenPtr, *valueTokenPtr;
- int dictVarIndex, nameChars;
- const char *name;
+ int dictVarIndex;
/*
* There must be three arguments after the command.
@@ -1887,21 +1786,22 @@ TclCompileDictLappendCmd(
return TCL_ERROR;
}
+ /*
+ * Parse the arguments.
+ */
+
varTokenPtr = TokenAfter(parsePtr->tokenPtr);
keyTokenPtr = TokenAfter(varTokenPtr);
valueTokenPtr = TokenAfter(keyTokenPtr);
- if (varTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
- return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- }
- name = varTokenPtr[1].start;
- nameChars = varTokenPtr[1].size;
- if (!TclIsLocalScalar(name, nameChars)) {
- return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
- }
- dictVarIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr);
+ dictVarIndex = LocalScalarFromToken(varTokenPtr, envPtr);
if (dictVarIndex < 0) {
return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr);
}
+
+ /*
+ * Issue the implementation.
+ */
+
CompileWord(envPtr, keyTokenPtr, interp, 3);
CompileWord(envPtr, valueTokenPtr, interp, 4);
TclEmitInstInt4( INST_DICT_LAPPEND, dictVarIndex, envPtr);
@@ -1918,10 +1818,9 @@ TclCompileDictWithCmd(
CompileEnv *envPtr) /* Holds resulting instructions. */
{
DefineLineInformation; /* TIP #280 */
- int i, range, varNameTmp, pathTmp, keysTmp, gotPath, dictVar = -1;
- int bodyIsEmpty = 1;
+ int i, range, varNameTmp = -1, pathTmp = -1, keysTmp, gotPath;
+ int dictVar, bodyIsEmpty = 1;
Tcl_Token *varTokenPtr, *tokenPtr;
- int savedStackDepth = envPtr->currStackDepth;
JumpFixup jumpFixup;
const char *ptr, *end;
@@ -1969,11 +1868,7 @@ TclCompileDictWithCmd(
*/
gotPath = (parsePtr->numWords > 3);
- if (varTokenPtr->type == TCL_TOKEN_SIMPLE_WORD &&
- TclIsLocalScalar(varTokenPtr[1].start, varTokenPtr[1].size)) {
- dictVar = TclFindCompiledLocal(varTokenPtr[1].start,
- varTokenPtr[1].size, 1, envPtr);
- }
+ dictVar = LocalScalarFromToken(varTokenPtr, envPtr);
/*
* Special case: an empty body means we definitely have no need to issue
@@ -2000,7 +1895,6 @@ TclCompileDictWithCmd(
TclEmitInstInt4(INST_OVER, 1, envPtr);
TclEmitOpcode( INST_DICT_EXPAND, envPtr);
TclEmitInstInt4(INST_DICT_RECOMBINE_IMM, dictVar, envPtr);
- PushStringLiteral(envPtr, "");
} else {
/*
* Case: Direct dict in LVT with empty body.
@@ -2011,7 +1905,6 @@ TclCompileDictWithCmd(
PushStringLiteral(envPtr, "");
TclEmitOpcode( INST_DICT_EXPAND, envPtr);
TclEmitInstInt4(INST_DICT_RECOMBINE_IMM, dictVar, envPtr);
- PushStringLiteral(envPtr, "");
}
} else {
if (gotPath) {
@@ -2030,7 +1923,6 @@ TclCompileDictWithCmd(
TclEmitInstInt4(INST_OVER, 1, envPtr);
TclEmitOpcode( INST_DICT_EXPAND, envPtr);
TclEmitOpcode( INST_DICT_RECOMBINE_STK, envPtr);
- PushStringLiteral(envPtr, "");
} else {
/*
* Case: Direct dict in non-simple var with empty body.
@@ -2044,10 +1936,9 @@ TclCompileDictWithCmd(
PushStringLiteral(envPtr, "");
TclEmitInstInt4(INST_REVERSE, 2, envPtr);
TclEmitOpcode( INST_DICT_RECOMBINE_STK, envPtr);
- PushStringLiteral(envPtr, "");
}
}
- envPtr->currStackDepth = savedStackDepth + 1;
+ PushStringLiteral(envPtr, "");
return TCL_OK;
}
@@ -2060,22 +1951,18 @@ TclCompileDictWithCmd(
*/
if (dictVar == -1) {
- varNameTmp = TclFindCompiledLocal(NULL, 0, 1, envPtr);
- } else {
- varNameTmp = -1;
+ varNameTmp = AnonymousLocal(envPtr);
}
if (gotPath) {
- pathTmp = TclFindCompiledLocal(NULL, 0, 1, envPtr);
- } else {
- pathTmp = -1;
+ pathTmp = AnonymousLocal(envPtr);
}
- keysTmp = TclFindCompiledLocal(NULL, 0, 1, envPtr);
+ keysTmp = AnonymousLocal(envPtr);
/*
* Issue instructions. First, the part to expand the dictionary.
*/
- if (varNameTmp > -1) {
+ if (dictVar == -1) {
CompileWord(envPtr, varTokenPtr, interp, 0);
Emit14Inst( INST_STORE_SCALAR, varNameTmp, envPtr);
}
@@ -2111,10 +1998,8 @@ TclCompileDictWithCmd(
TclEmitInstInt4( INST_BEGIN_CATCH4, range, envPtr);
ExceptionRangeStarts(envPtr, range);
- //envPtr->currStackDepth++;
SetLineInformation(parsePtr->numWords-1);
CompileBody(envPtr, tokenPtr, interp);
- //envPtr->currStackDepth = savedStackDepth;
ExceptionRangeEnds(envPtr, range);
/*
@@ -2122,7 +2007,7 @@ TclCompileDictWithCmd(
*/
TclEmitOpcode( INST_END_CATCH, envPtr);
- if (varNameTmp > -1) {
+ if (dictVar == -1) {
Emit14Inst( INST_LOAD_SCALAR, varNameTmp, envPtr);
}
if (gotPath) {
@@ -2142,11 +2027,12 @@ TclCompileDictWithCmd(
* Now fold the results back into the dictionary in the exception case.
*/
+ TclAdjustStackDepth(-1, envPtr);
ExceptionRangeTarget(envPtr, range, catchOffset);
TclEmitOpcode( INST_PUSH_RETURN_OPTIONS, envPtr);
TclEmitOpcode( INST_PUSH_RESULT, envPtr);
TclEmitOpcode( INST_END_CATCH, envPtr);
- if (varNameTmp > -1) {
+ if (dictVar == -1) {
Emit14Inst( INST_LOAD_SCALAR, varNameTmp, envPtr);
}
if (parsePtr->numWords > 3) {
@@ -2166,7 +2052,6 @@ TclCompileDictWithCmd(
* Prepare for the start of the next command.
*/
- envPtr->currStackDepth = savedStackDepth + 1;
if (TclFixupForwardJumpToHere(envPtr, &jumpFixup, 127)) {
Tcl_Panic("TclCompileDictCmd(update): bad jump distance %d",
(int) (CurrentOffset(envPtr) - jumpFixup.codeOffset));
@@ -2266,7 +2151,6 @@ TclCompileErrorCmd(
* However, we only deal with the case where there is just a message.
*/
Tcl_Token *messageTokenPtr;
- int savedStackDepth = envPtr->currStackDepth;
DefineLineInformation; /* TIP #280 */
if (parsePtr->numWords != 2) {
@@ -2277,7 +2161,6 @@ TclCompileErrorCmd(
PushStringLiteral(envPtr, "-code error -level 0");
CompileWord(envPtr, messageTokenPtr, interp, 1);
TclEmitOpcode(INST_RETURN_STK, envPtr);
- envPtr->currStackDepth = savedStackDepth + 1;
return TCL_OK;
}
@@ -2708,8 +2591,7 @@ CompileEachloopCmd(
}
if (collect == TCL_EACH_COLLECT) {
- collectVar = TclFindCompiledLocal(NULL, /*nameChars*/ 0, /*create*/ 1,
- envPtr);
+ collectVar = AnonymousLocal(envPtr);
if (collectVar < 0) {
return TCL_ERROR;
}
@@ -2728,14 +2610,12 @@ CompileEachloopCmd(
code = TCL_OK;
firstValueTemp = -1;
for (loopIndex = 0; loopIndex < numLists; loopIndex++) {
- tempVar = TclFindCompiledLocal(NULL, /*nameChars*/ 0,
- /*create*/ 1, envPtr);
+ tempVar = AnonymousLocal(envPtr);
if (loopIndex == 0) {
firstValueTemp = tempVar;
}
}
- loopCtTemp = TclFindCompiledLocal(NULL, /*nameChars*/ 0,
- /*create*/ 1, envPtr);
+ loopCtTemp = AnonymousLocal(envPtr);
/*
* Create and initialize the ForeachInfo and ForeachVarList data
@@ -3467,8 +3347,7 @@ TclPushVarName(
*/
if (!hasNsQualifiers) {
- localIndex = TclFindCompiledLocal(name, nameChars,
- 1, envPtr);
+ localIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr);
if ((flags & TCL_NO_LARGE_INDEX) && (localIndex > 255)) {
/*
* We'll push the name.
diff --git a/generic/tclCompCmdsGR.c b/generic/tclCompCmdsGR.c
index d101d82..5e3d456 100644
--- a/generic/tclCompCmdsGR.c
+++ b/generic/tclCompCmdsGR.c
@@ -2471,6 +2471,7 @@ TclCompileReturnCmd(
Tcl_DecrRefCount(returnOpts);
TclEmitOpcode(INST_DONE, envPtr);
+ TclAdjustStackDepth(1, envPtr);
return TCL_OK;
}
}
diff --git a/generic/tclCompCmdsSZ.c b/generic/tclCompCmdsSZ.c
index 7831198..381703b 100644
--- a/generic/tclCompCmdsSZ.c
+++ b/generic/tclCompCmdsSZ.c
@@ -2159,12 +2159,11 @@ TclCompileTryCmd(
int len;
const char *varname = Tcl_GetStringFromObj(objv[0], &len);
- if (!TclIsLocalScalar(varname, len)) {
+ resultVarIndices[i] = LocalScalar(varname, len, envPtr);
+ if (resultVarIndices[i] < 0) {
TclDecrRefCount(tmpObj);
goto failedToCompile;
}
- resultVarIndices[i] =
- TclFindCompiledLocal(varname, len, 1, envPtr);
} else {
resultVarIndices[i] = -1;
}
@@ -2172,12 +2171,11 @@ TclCompileTryCmd(
int len;
const char *varname = Tcl_GetStringFromObj(objv[1], &len);
- if (!TclIsLocalScalar(varname, len)) {
+ optionVarIndices[i] = LocalScalar(varname, len, envPtr);
+ if (optionVarIndices[i] < 0) {
TclDecrRefCount(tmpObj);
goto failedToCompile;
}
- optionVarIndices[i] =
- TclFindCompiledLocal(varname, len, 1, envPtr);
} else {
optionVarIndices[i] = -1;
}
@@ -2289,8 +2287,8 @@ IssueTryInstructions(
int *addrsToFix, *forwardsToFix, notCodeJumpSource, notECJumpSource;
char buf[TCL_INTEGER_SPACE];
- resultVar = TclFindCompiledLocal(NULL, 0, 1, envPtr);
- optionsVar = TclFindCompiledLocal(NULL, 0, 1, envPtr);
+ resultVar = AnonymousLocal(envPtr);
+ optionsVar = AnonymousLocal(envPtr);
if (resultVar < 0 || optionsVar < 0) {
return TCL_ERROR;
}
@@ -2444,8 +2442,8 @@ IssueTryFinallyInstructions(
int *addrsToFix, *forwardsToFix, notCodeJumpSource, notECJumpSource;
char buf[TCL_INTEGER_SPACE];
- resultVar = TclFindCompiledLocal(NULL, 0, 1, envPtr);
- optionsVar = TclFindCompiledLocal(NULL, 0, 1, envPtr);
+ resultVar = AnonymousLocal(envPtr);
+ optionsVar = AnonymousLocal(envPtr);
if (resultVar < 0 || optionsVar < 0) {
return TCL_ERROR;
}
@@ -3141,7 +3139,7 @@ CompileComparisonOpCmd(
return TCL_ERROR;
} else {
- int tmpIndex = TclFindCompiledLocal(NULL, 0, 1, envPtr);
+ int tmpIndex = AnonymousLocal(envPtr);
int words;
tokenPtr = TokenAfter(parsePtr->tokenPtr);
diff --git a/generic/tclCompile.h b/generic/tclCompile.h
index 908dceb..9af4911 100644
--- a/generic/tclCompile.h
+++ b/generic/tclCompile.h
@@ -1559,6 +1559,20 @@ MODULE_SCOPE Tcl_Obj *TclNewInstNameObj(unsigned char inst);
}
/*
+ * How to get an anonymous local variable (used for holding temporary values
+ * off the stack) or a local simple scalar.
+ */
+
+#define AnonymousLocal(envPtr) \
+ (TclFindCompiledLocal(NULL, /*nameChars*/ 0, /*create*/ 1, (envPtr)))
+#define LocalScalar(chars,len,envPtr) \
+ (!TclIsLocalScalar((chars), (len)) ? -1 : \
+ TclFindCompiledLocal((chars), (len), /*create*/ 1, (envPtr)))
+#define LocalScalarFromToken(tokenPtr,envPtr) \
+ ((tokenPtr)->type != TCL_TOKEN_SIMPLE_WORD ? -1 : \
+ LocalScalar((tokenPtr)[1].start, (tokenPtr)[1].size, (envPtr)))
+
+/*
* Flags bits used by TclPushVarName.
*/
generated by cgit v0.12 at 2024-11-22 03:20:16 (GMT)