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authordgp <dgp@users.sourceforge.net>2013-05-28 19:21:22 (GMT)
committerdgp <dgp@users.sourceforge.net>2013-05-28 19:21:22 (GMT)
commit8221c0695aa992657960abbd3d850a9503c633ca (patch)
tree7b0d6e1d684282ab2bc09cb894a7709ffff56dd0 /generic
parent03f2ab38fee4863f2ea67292b07ca9cc56ddee48 (diff)
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Use the routines that provide "basic compile" instead of reinventing them.
Diffstat (limited to 'generic')
-rw-r--r--generic/tclCompCmds.c50
1 files changed, 16 insertions, 34 deletions
diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c
index a325954..a966715 100644
--- a/generic/tclCompCmds.c
+++ b/generic/tclCompCmds.c
@@ -251,7 +251,7 @@ TclCompileArraySetCmd(
{
DefineLineInformation; /* TIP #280 */
Tcl_Token *varTokenPtr, *dataTokenPtr;
- int simpleVarName, isScalar, localIndex;
+ int simpleVarName, isScalar, localIndex, code = TCL_OK;
int isDataLiteral, isDataValid, isDataEven, len;
int dataVar, iterVar, keyVar, valVar, infoIndex;
int back, fwd, offsetBack, offsetFwd, savedStackDepth;
@@ -282,11 +282,21 @@ TclCompileArraySetCmd(
goto done;
}
+ /*
+ * Except for the special "ensure array" case below, when we're not in
+ * a proc, we cannot do a better compile than generic.
+ */
+
+ if (envPtr->procPtr == NULL && !(isDataEven && len == 0)) {
+ code = TclCompileBasic2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
+ goto done;
+ }
+
PushVarNameWord(interp, varTokenPtr, envPtr, TCL_NO_ELEMENT,
&localIndex, &simpleVarName, &isScalar, 1);
if (!isScalar) {
- Tcl_DecrRefCount(literalObj);
- return TCL_ERROR;
+ code = TCL_ERROR;
+ goto done;
}
/*
* Special case: literal empty value argument is just an "ensure array"
@@ -302,10 +312,10 @@ TclCompileArraySetCmd(
TclEmitOpcode( INST_DUP, envPtr);
TclEmitOpcode( INST_ARRAY_EXISTS_STK, envPtr);
TclEmitInstInt1(INST_JUMP_TRUE1, 5, envPtr);
- savedStackDepth = envPtr->currStackDepth;
TclEmitOpcode( INST_ARRAY_MAKE_STK, envPtr);
TclEmitInstInt1(INST_JUMP1, 3, envPtr);
- envPtr->currStackDepth = savedStackDepth;
+ /* Each branch decrements stack depth, but we only take one. */
+ TclAdjustStackDepth(1, envPtr);
TclEmitOpcode( INST_POP, envPtr);
}
PushStringLiteral(envPtr, "");
@@ -321,32 +331,6 @@ TclCompileArraySetCmd(
keyVar = TclFindCompiledLocal(NULL, 0, 1, envPtr);
valVar = TclFindCompiledLocal(NULL, 0, 1, envPtr);
- if (dataVar < 0) {
- /*
- * Right number of arguments, but not compilable as we can't allocate
- * (unnamed) local variables to manage the internal iteration.
- */
-
- Tcl_Obj *objPtr = Tcl_NewObj();
- char *bytes;
- int length, cmdLit;
-
- Tcl_GetCommandFullName(interp, (Tcl_Command) cmdPtr, objPtr);
- bytes = Tcl_GetStringFromObj(objPtr, &length);
- cmdLit = TclRegisterNewCmdLiteral(envPtr, bytes, length);
- TclSetCmdNameObj(interp, TclFetchLiteral(envPtr, cmdLit), cmdPtr);
- TclEmitPush(cmdLit, envPtr);
- TclDecrRefCount(objPtr);
- if (localIndex >= 0) {
- CompileWord(envPtr, varTokenPtr, interp, 1);
- } else {
- TclEmitInstInt4(INST_REVERSE, 2, envPtr);
- }
- CompileWord(envPtr, dataTokenPtr, interp, 2);
- TclEmitInstInt1(INST_INVOKE_STK1, 3, envPtr);
- goto done;
- }
-
infoPtr = ckalloc(sizeof(ForeachInfo) + sizeof(ForeachVarList *));
infoPtr->numLists = 1;
infoPtr->firstValueTemp = dataVar;
@@ -418,7 +402,6 @@ TclCompileArraySetCmd(
TclEmitInstInt4(INST_FOREACH_STEP4, infoIndex, envPtr);
offsetFwd = CurrentOffset(envPtr);
TclEmitInstInt1(INST_JUMP_FALSE1, 0, envPtr);
- savedStackDepth = envPtr->currStackDepth;
TclEmitOpcode( INST_DUP, envPtr);
Emit14Inst( INST_LOAD_SCALAR, keyVar, envPtr);
Emit14Inst( INST_LOAD_SCALAR, valVar, envPtr);
@@ -428,7 +411,6 @@ TclCompileArraySetCmd(
TclEmitInstInt1(INST_JUMP1, back, envPtr);
fwd = CurrentOffset(envPtr) - offsetFwd;
TclStoreInt1AtPtr(fwd, envPtr->codeStart+offsetFwd+1);
- envPtr->currStackDepth = savedStackDepth;
TclEmitOpcode( INST_POP, envPtr);
}
if (!isDataLiteral) {
@@ -438,7 +420,7 @@ TclCompileArraySetCmd(
PushStringLiteral(envPtr, "");
done:
Tcl_DecrRefCount(literalObj);
- return TCL_OK;
+ return code;
}
int