diff options
Diffstat (limited to 'generic/tclCompCmds.c')
| -rw-r--r-- | generic/tclCompCmds.c | 137 |
1 files changed, 83 insertions, 54 deletions
diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c index 160fa3c..40348fa 100644 --- a/generic/tclCompCmds.c +++ b/generic/tclCompCmds.c @@ -107,6 +107,7 @@ static int CompileDictEachCmd(Tcl_Interp *interp, */ #define TCL_NO_LARGE_INDEX 1 /* Do not return localIndex value > 255 */ +#define TCL_NO_ELEMENT 2 /* Do not push the array element. */ /* * The structures below define the AuxData types defined in this file. @@ -259,7 +260,7 @@ TclCompileArrayExistsCmd( } tokenPtr = TokenAfter(parsePtr->tokenPtr); - PushVarNameWord(interp, tokenPtr, envPtr, 0, + PushVarNameWord(interp, tokenPtr, envPtr, TCL_NO_ELEMENT, &localIndex, &simpleVarName, &isScalar, 1); if (!isScalar) { return TCL_ERROR; @@ -283,7 +284,7 @@ TclCompileArraySetCmd( CompileEnv *envPtr) /* Holds resulting instructions. */ { DefineLineInformation; /* TIP #280 */ - Tcl_Token *tokenPtr; + Tcl_Token *varTokenPtr, *dataTokenPtr; int simpleVarName, isScalar, localIndex; int dataVar, iterVar, keyVar, valVar, infoIndex; int back, fwd, offsetBack, offsetFwd, savedStackDepth; @@ -293,20 +294,21 @@ TclCompileArraySetCmd( return TCL_ERROR; } - tokenPtr = TokenAfter(parsePtr->tokenPtr); - PushVarNameWord(interp, tokenPtr, envPtr, 0, + varTokenPtr = TokenAfter(parsePtr->tokenPtr); + PushVarNameWord(interp, varTokenPtr, envPtr, TCL_NO_ELEMENT, &localIndex, &simpleVarName, &isScalar, 1); + dataTokenPtr = TokenAfter(varTokenPtr); if (!isScalar) { return TCL_ERROR; } - tokenPtr = TokenAfter(tokenPtr); /* * Special case: literal empty value argument is just an "ensure array" * operation. */ - if (tokenPtr->type == TCL_TOKEN_SIMPLE_WORD && tokenPtr[1].size == 0) { + if (dataTokenPtr->type == TCL_TOKEN_SIMPLE_WORD + && dataTokenPtr[1].size == 0) { if (localIndex >= 0) { TclEmitInstInt4(INST_ARRAY_EXISTS_IMM, localIndex, envPtr); TclEmitInstInt1(INST_JUMP_TRUE1, 7, envPtr); @@ -329,14 +331,37 @@ TclCompileArraySetCmd( * Prepare for the internal foreach. */ - if (envPtr->procPtr == NULL) { - return TCL_ERROR; - } dataVar = TclFindCompiledLocal(NULL, 0, 1, envPtr); iterVar = TclFindCompiledLocal(NULL, 0, 1, envPtr); 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); + return TCL_OK; + } + infoPtr = ckalloc(sizeof(ForeachInfo) + sizeof(ForeachVarList *)); infoPtr->numLists = 1; infoPtr->firstValueTemp = dataVar; @@ -351,7 +376,7 @@ TclCompileArraySetCmd( * Start issuing instructions to write to the array. */ - CompileWord(envPtr, tokenPtr, interp, 2); + CompileWord(envPtr, dataTokenPtr, interp, 2); TclEmitOpcode( INST_DUP, envPtr); TclEmitOpcode( INST_LIST_LENGTH, envPtr); PushLiteral(envPtr, "1", 1); @@ -434,10 +459,10 @@ TclCompileArrayUnsetCmd( int simpleVarName, isScalar, localIndex, savedStackDepth; if (parsePtr->numWords != 2) { - return TCL_ERROR; + return TclCompileBasic2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } - PushVarNameWord(interp, tokenPtr, envPtr, 0, + PushVarNameWord(interp, tokenPtr, envPtr, TCL_NO_ELEMENT, &localIndex, &simpleVarName, &isScalar, 1); if (!isScalar) { return TCL_ERROR; @@ -928,7 +953,7 @@ TclCompileDictIncrCmd( incrTokenPtr = TokenAfter(keyTokenPtr); if (incrTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { - return TCL_ERROR; + return TclCompileBasic2Or3ArgCmd(interp, parsePtr,cmdPtr, envPtr); } word = incrTokenPtr[1].start; numBytes = incrTokenPtr[1].size; @@ -938,7 +963,7 @@ TclCompileDictIncrCmd( code = TclGetIntFromObj(NULL, intObj, &incrAmount); TclDecrRefCount(intObj); if (code != TCL_OK) { - return TCL_ERROR; + return TclCompileBasic2Or3ArgCmd(interp, parsePtr,cmdPtr, envPtr); } } else { incrAmount = 1; @@ -951,16 +976,16 @@ TclCompileDictIncrCmd( */ if (varTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { - return TCL_ERROR; + return TclCompileBasic2Or3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } name = varTokenPtr[1].start; nameChars = varTokenPtr[1].size; if (!TclIsLocalScalar(name, nameChars)) { - return TCL_ERROR; + return TclCompileBasic2Or3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } dictVarIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr); if (dictVarIndex < 0) { - return TCL_ERROR; + return TclCompileBasic2Or3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } /* @@ -1078,16 +1103,16 @@ TclCompileDictUnsetCmd( tokenPtr = TokenAfter(parsePtr->tokenPtr); if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } name = tokenPtr[1].start; nameChars = tokenPtr[1].size; if (!TclIsLocalScalar(name, nameChars)) { - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } dictVarIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr); if (dictVarIndex < 0) { - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } /* @@ -1178,7 +1203,7 @@ TclCompileDictCreateCmd( nonConstant: worker = TclFindCompiledLocal(NULL, 0, 1, envPtr); if (worker < 0) { - return TCL_ERROR; + return TclCompileBasicMin0ArgCmd(interp, parsePtr, cmdPtr, envPtr); } PushLiteral(envPtr, "", 0); @@ -1239,7 +1264,7 @@ TclCompileDictMergeCmd( workerIndex = TclFindCompiledLocal(NULL, 0, 1, envPtr); if (workerIndex < 0) { - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } infoIndex = TclFindCompiledLocal(NULL, 0, 1, envPtr); @@ -1365,11 +1390,11 @@ CompileDictEachCmd( Tcl_DString buffer; /* - * There must be at least three argument after the command. + * There must be three arguments after the command. */ if (parsePtr->numWords != 4) { - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } varsTokenPtr = TokenAfter(parsePtr->tokenPtr); @@ -1377,7 +1402,7 @@ CompileDictEachCmd( bodyTokenPtr = TokenAfter(dictTokenPtr); if (varsTokenPtr->type != TCL_TOKEN_SIMPLE_WORD || bodyTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } /* @@ -1389,7 +1414,7 @@ CompileDictEachCmd( collectVar = TclFindCompiledLocal(NULL, /*nameChars*/ 0, /*create*/ 1, envPtr); if (collectVar < 0) { - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } } @@ -1403,31 +1428,31 @@ CompileDictEachCmd( if (Tcl_SplitList(NULL, Tcl_DStringValue(&buffer), &numVars, &argv) != TCL_OK) { Tcl_DStringFree(&buffer); - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } Tcl_DStringFree(&buffer); if (numVars != 2) { ckfree(argv); - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } nameChars = strlen(argv[0]); if (!TclIsLocalScalar(argv[0], nameChars)) { ckfree(argv); - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } keyVarIndex = TclFindCompiledLocal(argv[0], nameChars, 1, envPtr); nameChars = strlen(argv[1]); if (!TclIsLocalScalar(argv[1], nameChars)) { ckfree(argv); - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } valueVarIndex = TclFindCompiledLocal(argv[1], nameChars, 1, envPtr); ckfree(argv); if ((keyVarIndex < 0) || (valueVarIndex < 0)) { - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } /* @@ -1439,7 +1464,7 @@ CompileDictEachCmd( infoIndex = TclFindCompiledLocal(NULL, 0, 1, envPtr); if (infoIndex < 0) { - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } /* @@ -1636,16 +1661,16 @@ TclCompileDictUpdateCmd( dictVarTokenPtr = TokenAfter(parsePtr->tokenPtr); if (dictVarTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } name = dictVarTokenPtr[1].start; nameChars = dictVarTokenPtr[1].size; if (!TclIsLocalScalar(name, nameChars)) { - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } dictIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr); if (dictIndex < 0) { - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } /* @@ -1696,7 +1721,7 @@ TclCompileDictUpdateCmd( failedUpdateInfoAssembly: ckfree(duiPtr); TclStackFree(interp, keyTokenPtrs); - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } bodyTokenPtr = tokenPtr; @@ -1794,17 +1819,17 @@ TclCompileDictAppendCmd( tokenPtr = TokenAfter(parsePtr->tokenPtr); if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { - return TCL_ERROR; + 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 TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr,cmdPtr, envPtr); } dictVarIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr); if (dictVarIndex < 0) { - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr,cmdPtr, envPtr); } } @@ -1855,16 +1880,16 @@ TclCompileDictLappendCmd( keyTokenPtr = TokenAfter(varTokenPtr); valueTokenPtr = TokenAfter(keyTokenPtr); if (varTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } name = varTokenPtr[1].start; nameChars = varTokenPtr[1].size; if (!TclIsLocalScalar(name, nameChars)) { - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } dictVarIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr); if (dictVarIndex < 0) { - return TCL_ERROR; + return TclCompileBasic3ArgCmd(interp, parsePtr, cmdPtr, envPtr); } CompileWord(envPtr, keyTokenPtr, interp, 3); CompileWord(envPtr, valueTokenPtr, interp, 4); @@ -1908,7 +1933,7 @@ TclCompileDictWithCmd( tokenPtr = TokenAfter(tokenPtr); } if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, envPtr); } /* @@ -1920,7 +1945,8 @@ TclCompileDictWithCmd( for (ptr=tokenPtr[1].start,end=ptr+tokenPtr[1].size ; ptr!=end ; ptr++) { if (*ptr!=' ' && *ptr!='\t' && *ptr!='\n' && *ptr!='\r') { if (envPtr->procPtr == NULL) { - return TCL_ERROR; + return TclCompileBasicMin2ArgCmd(interp, parsePtr, cmdPtr, + envPtr); } bodyIsEmpty = 0; break; @@ -3082,7 +3108,7 @@ TclCompileFormatCmd( * after our attempt to spot a literal). */ - for (; --i>=0 ;) { + for (; i>=0 ; i--) { Tcl_DecrRefCount(objv[i]); } ckfree(objv); @@ -3747,7 +3773,9 @@ TclCompileInfoCommandsCmd( * We require one compile-time known argument for the case we can compile. */ - if (parsePtr->numWords != 2) { + if (parsePtr->numWords == 1) { + return TclCompileBasic0ArgCmd(interp, parsePtr, cmdPtr, envPtr); + } else if (parsePtr->numWords != 2) { return TCL_ERROR; } tokenPtr = TokenAfter(parsePtr->tokenPtr); @@ -3784,7 +3812,7 @@ TclCompileInfoCommandsCmd( notCompilable: Tcl_DecrRefCount(objPtr); - return TCL_ERROR; + return TclCompileBasic1ArgCmd(interp, parsePtr, cmdPtr, envPtr); } int @@ -5791,7 +5819,7 @@ TclCompileVariableCmd( */ valueTokenPtr = parsePtr->tokenPtr; - for (i=2; i<=numWords; i+=2) { + for (i=1; i<numWords; i+=2) { varTokenPtr = TokenAfter(valueTokenPtr); valueTokenPtr = TokenAfter(varTokenPtr); @@ -5801,15 +5829,15 @@ TclCompileVariableCmd( return TCL_ERROR; } - CompileWord(envPtr, varTokenPtr, interp, 1); + CompileWord(envPtr, varTokenPtr, interp, i); TclEmitInstInt4( INST_VARIABLE, localIndex, envPtr); - if (i != numWords) { + if (i+1 < numWords) { /* * A value has been given: set the variable, pop the value */ - CompileWord(envPtr, valueTokenPtr, interp, 1); + CompileWord(envPtr, valueTokenPtr, interp, i+1); Emit14Inst( INST_STORE_SCALAR, localIndex, envPtr); TclEmitOpcode( INST_POP, envPtr); } @@ -6006,7 +6034,7 @@ PushVarName( 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. */ + 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. */ @@ -6187,10 +6215,11 @@ PushVarName( } /* - * Compile the element script, if any. + * Compile the element script, if any, and only if not inhibited. [Bug + * 3600328] */ - if (elName != NULL) { + if (elName != NULL && !(flags & TCL_NO_ELEMENT)) { if (elNameChars) { envPtr->line = line; envPtr->clNext = clNext; |