diff options
Diffstat (limited to 'generic/tclCompCmds.c')
-rw-r--r-- | generic/tclCompCmds.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c index a966715..53b7b32 100644 --- a/generic/tclCompCmds.c +++ b/generic/tclCompCmds.c @@ -84,7 +84,7 @@ TclCompileAppendCmd( CompileEnv *envPtr) /* Holds resulting instructions. */ { Tcl_Token *varTokenPtr, *valueTokenPtr; - int simpleVarName, isScalar, localIndex, numWords, i; + int isScalar, localIndex, numWords, i; DefineLineInformation; /* TIP #280 */ numWords = parsePtr->numWords; @@ -116,7 +116,7 @@ TclCompileAppendCmd( varTokenPtr = TokenAfter(parsePtr->tokenPtr); PushVarNameWord(interp, varTokenPtr, envPtr, 0, - &localIndex, &simpleVarName, &isScalar, 1); + &localIndex, &isScalar, 1); /* * We are doing an assignment, otherwise TclCompileSetCmd was called, so @@ -133,7 +133,6 @@ TclCompileAppendCmd( * Emit instructions to set/get the variable. */ - if (simpleVarName) { if (isScalar) { if (localIndex < 0) { TclEmitOpcode(INST_APPEND_STK, envPtr); @@ -147,9 +146,6 @@ TclCompileAppendCmd( Emit14Inst(INST_APPEND_ARRAY, localIndex, envPtr); } } - } else { - TclEmitOpcode(INST_APPEND_STK, envPtr); - } return TCL_OK; @@ -164,7 +160,7 @@ TclCompileAppendCmd( } varTokenPtr = TokenAfter(parsePtr->tokenPtr); PushVarNameWord(interp, varTokenPtr, envPtr, TCL_NO_ELEMENT, - &localIndex, &simpleVarName, &isScalar, 1); + &localIndex, &isScalar, 1); if (!isScalar || localIndex < 0) { return TCL_ERROR; } @@ -219,7 +215,7 @@ TclCompileArrayExistsCmd( { DefineLineInformation; /* TIP #280 */ Tcl_Token *tokenPtr; - int simpleVarName, isScalar, localIndex; + int isScalar, localIndex; if (parsePtr->numWords != 2) { return TCL_ERROR; @@ -227,7 +223,7 @@ TclCompileArrayExistsCmd( tokenPtr = TokenAfter(parsePtr->tokenPtr); PushVarNameWord(interp, tokenPtr, envPtr, TCL_NO_ELEMENT, - &localIndex, &simpleVarName, &isScalar, 1); + &localIndex, &isScalar, 1); if (!isScalar) { return TCL_ERROR; } @@ -251,7 +247,7 @@ TclCompileArraySetCmd( { DefineLineInformation; /* TIP #280 */ Tcl_Token *varTokenPtr, *dataTokenPtr; - int simpleVarName, isScalar, localIndex, code = TCL_OK; + int isScalar, localIndex, code = TCL_OK; int isDataLiteral, isDataValid, isDataEven, len; int dataVar, iterVar, keyVar, valVar, infoIndex; int back, fwd, offsetBack, offsetFwd, savedStackDepth; @@ -293,7 +289,7 @@ TclCompileArraySetCmd( } PushVarNameWord(interp, varTokenPtr, envPtr, TCL_NO_ELEMENT, - &localIndex, &simpleVarName, &isScalar, 1); + &localIndex, &isScalar, 1); if (!isScalar) { code = TCL_ERROR; goto done; @@ -434,14 +430,14 @@ TclCompileArrayUnsetCmd( { DefineLineInformation; /* TIP #280 */ Tcl_Token *tokenPtr = TokenAfter(parsePtr->tokenPtr); - int simpleVarName, isScalar, localIndex, savedStackDepth; + int isScalar, localIndex, savedStackDepth; if (parsePtr->numWords != 2) { return TclCompileBasic2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } PushVarNameWord(interp, tokenPtr, envPtr, TCL_NO_ELEMENT, - &localIndex, &simpleVarName, &isScalar, 1); + &localIndex, &isScalar, 1); if (!isScalar) { return TCL_ERROR; } @@ -3246,24 +3242,33 @@ TclCompileFormatCmd( * necessary (append, lappend, set). * * Results: - * Returns TCL_OK for a successful compile. Returns TCL_ERROR to defer - * evaluation to runtime. + * The values written to *localIndexPtr and *isScalarPtr signal to + * the caller what the instructions emitted by this routine will do: + * + * *isScalarPtr (*localIndexPtr < 0) + * 1 1 Push the varname on the stack. (Stack +1) + * 1 0 *localIndexPtr is the index of the compiled + * local for this varname. No instructions + * emitted. (Stack +0) + * 0 1 Push part1 and part2 names of array element + * on the stack. (Stack +2) + * 0 0 *localIndexPtr is the index of the compiled + * local for this array. Element name is pushed + * on the stack. (Stack +1) * * Side effects: - * Instructions are added to envPtr to execute the "set" command at - * runtime. + * Instructions are added to envPtr. * *---------------------------------------------------------------------- */ -int +void TclPushVarName( Tcl_Interp *interp, /* Used for error reporting. */ Tcl_Token *varTokenPtr, /* Points to a variable token. */ CompileEnv *envPtr, /* Holds resulting instructions. */ int flags, /* TCL_NO_LARGE_INDEX | TCL_NO_ELEMENT. */ int *localIndexPtr, /* Must not be NULL. */ - int *simpleVarNamePtr, /* Must not be NULL. */ int *isScalarPtr, /* Must not be NULL. */ int line, /* Line the token starts on. */ int *clNext) /* Reference to offset of next hidden cont. @@ -3473,9 +3478,7 @@ TclPushVarName( TclStackFree(interp, elemTokenPtr); } *localIndexPtr = localIndex; - *simpleVarNamePtr = simpleVarName; *isScalarPtr = (elName == NULL); - return TCL_OK; } /* |