diff options
author | dkf <donal.k.fellows@manchester.ac.uk> | 2013-07-26 13:30:31 (GMT) |
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committer | dkf <donal.k.fellows@manchester.ac.uk> | 2013-07-26 13:30:31 (GMT) |
commit | 9acc1536987a9e1931143299753d3c48b7f813a5 (patch) | |
tree | 060b8ee58ce1fd2077f42c4f003a12317d71a089 | |
parent | afd4d17b3c5167c365d4072b61c93a80aacafad1 (diff) | |
parent | 525bc7c9b5eae7dabda051ca19c6246925bbf450 (diff) | |
download | tcl-9acc1536987a9e1931143299753d3c48b7f813a5.zip tcl-9acc1536987a9e1931143299753d3c48b7f813a5.tar.gz tcl-9acc1536987a9e1931143299753d3c48b7f813a5.tar.bz2 |
merge trunk
-rw-r--r-- | generic/regexec.c | 7 | ||||
-rw-r--r-- | generic/tclAssembly.c | 38 | ||||
-rw-r--r-- | generic/tclBasic.c | 127 | ||||
-rw-r--r-- | generic/tclCompCmds.c | 65 | ||||
-rw-r--r-- | generic/tclCompCmdsGR.c | 14 | ||||
-rw-r--r-- | generic/tclCompCmdsSZ.c | 72 | ||||
-rw-r--r-- | generic/tclCompile.c | 887 | ||||
-rw-r--r-- | generic/tclCompile.h | 43 | ||||
-rw-r--r-- | generic/tclEnsemble.c | 195 | ||||
-rw-r--r-- | generic/tclExecute.c | 62 | ||||
-rw-r--r-- | generic/tclInt.h | 2 | ||||
-rw-r--r-- | generic/tclParse.c | 1 | ||||
-rw-r--r-- | generic/tclUtf.c | 2 | ||||
-rw-r--r-- | tests/assemble.test | 3 | ||||
-rw-r--r-- | tests/info.test | 434 | ||||
-rw-r--r-- | tests/misc.test | 7 | ||||
-rw-r--r-- | tests/parse.test | 21 | ||||
-rw-r--r-- | tests/regexp.test | 4 | ||||
-rw-r--r-- | unix/Makefile.in | 7 | ||||
-rwxr-xr-x | unix/configure | 108 | ||||
-rw-r--r-- | unix/configure.in | 1 | ||||
-rw-r--r-- | unix/tcl.m4 | 5 | ||||
-rw-r--r-- | unix/tclUnixTest.c | 49 |
23 files changed, 1192 insertions, 962 deletions
diff --git a/generic/regexec.c b/generic/regexec.c index 9b6a693..ad4b6e6 100644 --- a/generic/regexec.c +++ b/generic/regexec.c @@ -504,12 +504,7 @@ complicatedFindLoop( return er; } if ((shorter) ? end == estop : end == begin) { - /* - * No point in trying again. - */ - - *coldp = cold; - return REG_NOMATCH; + break; } /* diff --git a/generic/tclAssembly.c b/generic/tclAssembly.c index 62641e6..6bf2fa8 100644 --- a/generic/tclAssembly.c +++ b/generic/tclAssembly.c @@ -930,6 +930,10 @@ TclCompileAssembleCmd( { Tcl_Token *tokenPtr; /* Token in the input script */ + int numCommands = envPtr->numCommands; + int offset = envPtr->codeNext - envPtr->codeStart; + int depth = envPtr->currStackDepth; + /* * Make sure that the command has a single arg that is a simple word. */ @@ -943,10 +947,23 @@ TclCompileAssembleCmd( } /* - * Compile the code and return any error from the compilation. + * Compile the code and convert any error from the compilation into + * bytecode reporting the error; */ - return TclAssembleCode(envPtr, tokenPtr[1].start, tokenPtr[1].size, 0); + if (TCL_ERROR == TclAssembleCode(envPtr, tokenPtr[1].start, + tokenPtr[1].size, TCL_EVAL_DIRECT)) { + + Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( + "\n (\"%.*s\" body, line %d)", + parsePtr->tokenPtr->size, parsePtr->tokenPtr->start, + Tcl_GetErrorLine(interp))); + envPtr->numCommands = numCommands; + envPtr->codeNext = envPtr->codeStart + offset; + envPtr->currStackDepth = depth; + TclCompileSyntaxError(interp, envPtr); + } + return TCL_OK; } /* @@ -985,8 +1002,6 @@ TclAssembleCode( const char* instPtr = codePtr; /* Where to start looking for a line of code */ - int instLen; /* Length in bytes of the current line of - * code */ const char* nextPtr; /* Pointer to the end of the line of code */ int bytesLeft = codeLen; /* Number of bytes of source code remaining to * be parsed */ @@ -1000,10 +1015,6 @@ TclAssembleCode( */ status = Tcl_ParseCommand(interp, instPtr, bytesLeft, 0, parsePtr); - instLen = parsePtr->commandSize; - if (parsePtr->term == parsePtr->commandStart + instLen - 1) { - --instLen; - } /* * Report errors in the parse. @@ -1012,7 +1023,7 @@ TclAssembleCode( if (status != TCL_OK) { if (flags & TCL_EVAL_DIRECT) { Tcl_LogCommandInfo(interp, codePtr, parsePtr->commandStart, - instLen); + parsePtr->term + 1 - parsePtr->commandStart); } FreeAssemblyEnv(assemEnvPtr); return TCL_ERROR; @@ -1032,6 +1043,13 @@ TclAssembleCode( */ if (parsePtr->numWords > 0) { + int instLen = parsePtr->commandSize; + /* Length in bytes of the current command */ + + if (parsePtr->term == parsePtr->commandStart + instLen - 1) { + --instLen; + } + /* * If tracing, show each line assembled as it happens. */ @@ -1107,7 +1125,7 @@ NewAssemblyEnv( assemEnvPtr->envPtr = envPtr; assemEnvPtr->parsePtr = parsePtr; - assemEnvPtr->cmdLine = envPtr->line; + assemEnvPtr->cmdLine = 1; assemEnvPtr->clNext = envPtr->clNext; /* diff --git a/generic/tclBasic.c b/generic/tclBasic.c index 94697b2..3dfb639 100644 --- a/generic/tclBasic.c +++ b/generic/tclBasic.c @@ -1699,8 +1699,6 @@ DeleteInterpProc( ckfree(eclPtr->loc); } - Tcl_DeleteHashTable(&eclPtr->litInfo); - ckfree(eclPtr); Tcl_DeleteHashEntry(hPtr); } @@ -5174,7 +5172,9 @@ TclEvalEx( do { if (Tcl_ParseCommand(interp, p, bytesLeft, 0, parsePtr) != TCL_OK) { code = TCL_ERROR; - goto error; + Tcl_LogCommandInfo(interp, script, parsePtr->commandStart, + parsePtr->term + 1 - parsePtr->commandStart); + goto posterror; } /* @@ -5430,6 +5430,7 @@ TclEvalEx( Tcl_LogCommandInfo(interp, script, parsePtr->commandStart, commandLength); } + posterror: iPtr->flags &= ~ERR_ALREADY_LOGGED; /* @@ -5704,76 +5705,88 @@ TclArgumentBCEnter( int objc, void *codePtr, CmdFrame *cfPtr, + int cmd, int pc) { + ExtCmdLoc *eclPtr; + int word; + ECL *ePtr; + CFWordBC *lastPtr = NULL; Interp *iPtr = (Interp *) interp; Tcl_HashEntry *hePtr = Tcl_FindHashEntry(iPtr->lineBCPtr, (char *) codePtr); - ExtCmdLoc *eclPtr; if (!hePtr) { return; } eclPtr = Tcl_GetHashValue(hePtr); - hePtr = Tcl_FindHashEntry(&eclPtr->litInfo, INT2PTR(pc)); - if (hePtr) { - int word; - int cmd = PTR2INT(Tcl_GetHashValue(hePtr)); - ECL *ePtr = &eclPtr->loc[cmd]; - CFWordBC *lastPtr = NULL; + ePtr = &eclPtr->loc[cmd]; - /* - * A few truths ... - * (1) ePtr->nline == objc - * (2) (ePtr->line[word] < 0) => !literal, for all words - * (3) (word == 0) => !literal - * - * Item (2) is why we can use objv to get the literals, and do not - * have to save them at compile time. - */ + /* + * ePtr->nline is the number of words originally parsed. + * + * objc is the number of elements getting invoked. + * + * If they are not the same, we arrived here by compiling an + * ensemble dispatch. Ensemble subcommands that lead to script + * evaluation are not supposed to get compiled, because a command + * such as [info level] in the script can expose some of the dispatch + * shenanigans. This means that we don't have to tend to the + * housekeeping, and can escape now. + */ + + if (ePtr->nline != objc) { + return; + } - if (ePtr->nline != objc) { - Tcl_Panic ("TIP 280 data structure inconsistency"); - } + /* + * Having disposed of the ensemble cases, we can state... + * A few truths ... + * (1) ePtr->nline == objc + * (2) (ePtr->line[word] < 0) => !literal, for all words + * (3) (word == 0) => !literal + * + * Item (2) is why we can use objv to get the literals, and do not + * have to save them at compile time. + */ - for (word = 1; word < objc; word++) { - if (ePtr->line[word] >= 0) { - int isnew; - Tcl_HashEntry *hPtr = Tcl_CreateHashEntry(iPtr->lineLABCPtr, - objv[word], &isnew); - CFWordBC *cfwPtr = ckalloc(sizeof(CFWordBC)); - - cfwPtr->framePtr = cfPtr; - cfwPtr->obj = objv[word]; - cfwPtr->pc = pc; - cfwPtr->word = word; - cfwPtr->nextPtr = lastPtr; - lastPtr = cfwPtr; - - if (isnew) { - /* - * The word is not on the stack yet, remember the current - * location and initialize references. - */ - - cfwPtr->prevPtr = NULL; - } else { - /* - * The object is already on the stack, however it may have - * a different location now (literal sharing may map - * multiple location to a single Tcl_Obj*. Save the old - * information in the new structure. - */ - - cfwPtr->prevPtr = Tcl_GetHashValue(hPtr); - } + for (word = 1; word < objc; word++) { + if (ePtr->line[word] >= 0) { + int isnew; + Tcl_HashEntry *hPtr = Tcl_CreateHashEntry(iPtr->lineLABCPtr, + objv[word], &isnew); + CFWordBC *cfwPtr = ckalloc(sizeof(CFWordBC)); + + cfwPtr->framePtr = cfPtr; + cfwPtr->obj = objv[word]; + cfwPtr->pc = pc; + cfwPtr->word = word; + cfwPtr->nextPtr = lastPtr; + lastPtr = cfwPtr; + + if (isnew) { + /* + * The word is not on the stack yet, remember the current + * location and initialize references. + */ - Tcl_SetHashValue(hPtr, cfwPtr); + cfwPtr->prevPtr = NULL; + } else { + /* + * The object is already on the stack, however it may have + * a different location now (literal sharing may map + * multiple location to a single Tcl_Obj*. Save the old + * information in the new structure. + */ + + cfwPtr->prevPtr = Tcl_GetHashValue(hPtr); } - } /* for */ - cfPtr->litarg = lastPtr; - } /* if */ + Tcl_SetHashValue(hPtr, cfwPtr); + } + } /* for */ + + cfPtr->litarg = lastPtr; } /* diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c index fddf152..8edb2d9 100644 --- a/generic/tclCompCmds.c +++ b/generic/tclCompCmds.c @@ -87,6 +87,7 @@ TclCompileAppendCmd( int isScalar, localIndex, numWords, i; DefineLineInformation; /* TIP #280 */ + /* TODO: Consider support for compiling expanded args. */ numWords = parsePtr->numWords; if (numWords == 1) { return TCL_ERROR; @@ -544,7 +545,6 @@ TclCompileCatchCmd( JumpFixup jumpFixup; Tcl_Token *cmdTokenPtr, *resultNameTokenPtr, *optsNameTokenPtr; int resultIndex, optsIndex, range; - int initStackDepth = envPtr->currStackDepth; DefineLineInformation; /* TIP #280 */ /* @@ -610,12 +610,12 @@ TclCompileCatchCmd( * begin by undeflowing the stack below the mark set by BEGIN_CATCH4. */ - SetLineInformation(1); if (cmdTokenPtr->type == TCL_TOKEN_SIMPLE_WORD) { TclEmitInstInt4( INST_BEGIN_CATCH4, range, envPtr); ExceptionRangeStarts(envPtr, range); - CompileBody(envPtr, cmdTokenPtr, interp); + BODY(cmdTokenPtr, 1); } else { + SetLineInformation(1); CompileTokens(envPtr, cmdTokenPtr, interp); TclEmitInstInt4( INST_BEGIN_CATCH4, range, envPtr); ExceptionRangeStarts(envPtr, range); @@ -742,15 +742,6 @@ TclCompileCatchCmd( TclEmitOpcode( INST_POP, envPtr); } - /* - * Result of all this, on either branch, should have been to leave one - * operand -- the return code -- on the stack. - */ - - if (envPtr->currStackDepth != initStackDepth + 1) { - Tcl_Panic("in TclCompileCatchCmd, currStackDepth = %d should be %d", - envPtr->currStackDepth, initStackDepth+1); - } return TCL_OK; } @@ -983,6 +974,7 @@ TclCompileDictGetCmd( * case is legal, but too special and magic for us to deal with here). */ + /* TODO: Consider support for compiling expanded args. */ if (parsePtr->numWords < 3) { return TCL_ERROR; } @@ -1020,6 +1012,7 @@ TclCompileDictExistsCmd( * case is legal, but too special and magic for us to deal with here). */ + /* TODO: Consider support for compiling expanded args. */ if (parsePtr->numWords < 3) { return TCL_ERROR; } @@ -1057,6 +1050,7 @@ TclCompileDictUnsetCmd( * compile to bytecode. */ + /* TODO: Consider support for compiling expanded args. */ if (parsePtr->numWords < 3) { return TCL_ERROR; } @@ -1202,6 +1196,7 @@ TclCompileDictMergeCmd( * argument, the only thing to do is to verify the dict-ness. */ + /* TODO: Consider support for compiling expanded args. (less likely) */ if (parsePtr->numWords < 2) { PushStringLiteral(envPtr, ""); return TCL_OK; @@ -1467,8 +1462,7 @@ CompileDictEachCmd( * Compile the loop body itself. It should be stack-neutral. */ - SetLineInformation(3); - CompileBody(envPtr, bodyTokenPtr, interp); + BODY(bodyTokenPtr, 3); if (collect == TCL_EACH_COLLECT) { Emit14Inst( INST_LOAD_SCALAR, keyVarIndex, envPtr); TclEmitInstInt4(INST_OVER, 1, envPtr); @@ -1651,8 +1645,7 @@ TclCompileDictUpdateCmd( TclEmitInstInt4( INST_BEGIN_CATCH4, range, envPtr); ExceptionRangeStarts(envPtr, range); - SetLineInformation(parsePtr->numWords - 1); - CompileBody(envPtr, bodyTokenPtr, interp); + BODY(bodyTokenPtr, parsePtr->numWords - 1); ExceptionRangeEnds(envPtr, range); /* @@ -1724,6 +1717,7 @@ TclCompileDictAppendCmd( * speed quite so much. ;-) */ + /* TODO: Consider support for compiling expanded args. */ if (parsePtr->numWords<4 || parsePtr->numWords>100) { return TCL_ERROR; } @@ -1776,6 +1770,8 @@ TclCompileDictLappendCmd( * There must be three arguments after the command. */ + /* TODO: Consider support for compiling expanded args. */ + /* Probably not. Why is INST_DICT_LAPPEND limited to one value? */ if (parsePtr->numWords != 4) { return TCL_ERROR; } @@ -1822,6 +1818,7 @@ TclCompileDictWithCmd( * There must be at least one argument after the command. */ + /* TODO: Consider support for compiling expanded args. */ if (parsePtr->numWords < 3) { return TCL_ERROR; } @@ -1992,8 +1989,7 @@ TclCompileDictWithCmd( TclEmitInstInt4( INST_BEGIN_CATCH4, range, envPtr); ExceptionRangeStarts(envPtr, range); - SetLineInformation(parsePtr->numWords-1); - CompileBody(envPtr, tokenPtr, interp); + BODY(tokenPtr, parsePtr->numWords - 1); ExceptionRangeEnds(envPtr, range); /* @@ -2268,8 +2264,7 @@ TclCompileForCmd( * Inline compile the initial command. */ - SetLineInformation(1); - CompileBody(envPtr, startTokenPtr, interp); + BODY(startTokenPtr, 1); TclEmitOpcode(INST_POP, envPtr); /* @@ -2292,8 +2287,7 @@ TclCompileForCmd( bodyRange = TclCreateExceptRange(LOOP_EXCEPTION_RANGE, envPtr); bodyCodeOffset = ExceptionRangeStarts(envPtr, bodyRange); - SetLineInformation(4); - CompileBody(envPtr, bodyTokenPtr, interp); + BODY(bodyTokenPtr, 4); ExceptionRangeEnds(envPtr, bodyRange); TclEmitOpcode(INST_POP, envPtr); @@ -2306,8 +2300,7 @@ TclCompileForCmd( nextRange = TclCreateExceptRange(LOOP_EXCEPTION_RANGE, envPtr); envPtr->exceptAuxArrayPtr[nextRange].supportsContinue = 0; nextCodeOffset = ExceptionRangeStarts(envPtr, nextRange); - SetLineInformation(3); - CompileBody(envPtr, nextTokenPtr, interp); + BODY(nextTokenPtr, 3); ExceptionRangeEnds(envPtr, nextRange); TclEmitOpcode(INST_POP, envPtr); @@ -2464,7 +2457,7 @@ CompileEachloopCmd( Tcl_Token *tokenPtr, *bodyTokenPtr; unsigned char *jumpPc; JumpFixup jumpFalseFixup; - int jumpBackDist, jumpBackOffset, infoIndex, range, bodyIndex; + int jumpBackDist, jumpBackOffset, infoIndex, range; int numWords, numLists, numVars, loopIndex, tempVar, i, j, code; DefineLineInformation; /* TIP #280 */ @@ -2504,8 +2497,6 @@ CompileEachloopCmd( return TCL_ERROR; } - bodyIndex = i-1; - /* * Allocate storage for the varcList and varvList arrays if necessary. */ @@ -2544,7 +2535,7 @@ CompileEachloopCmd( Tcl_DStringInit(&varList); TclDStringAppendToken(&varList, &tokenPtr[1]); - code = Tcl_SplitList(interp, Tcl_DStringValue(&varList), + code = Tcl_SplitList(NULL, Tcl_DStringValue(&varList), &varcList[loopIndex], &varvList[loopIndex]); Tcl_DStringFree(&varList); if (code != TCL_OK) { @@ -2646,8 +2637,7 @@ CompileEachloopCmd( i < numWords-1; i++, tokenPtr = TokenAfter(tokenPtr)) { if ((i%2 == 0) && (i > 0)) { - SetLineInformation(i); - CompileTokens(envPtr, tokenPtr, interp); + CompileWord(envPtr, tokenPtr, interp, i); tempVar = (firstValueTemp + loopIndex); Emit14Inst( INST_STORE_SCALAR, tempVar, envPtr); TclEmitOpcode( INST_POP, envPtr); @@ -2684,9 +2674,8 @@ CompileEachloopCmd( * Inline compile the loop body. */ - SetLineInformation(bodyIndex); ExceptionRangeStarts(envPtr, range); - CompileBody(envPtr, bodyTokenPtr, interp); + BODY(bodyTokenPtr, numWords - 1); ExceptionRangeEnds(envPtr, range); if (collect == TCL_EACH_COLLECT) { @@ -2988,7 +2977,8 @@ TclCompileFormatCmd( ckfree(objv); Tcl_DecrRefCount(formatObj); if (tmpObj == NULL) { - return TCL_ERROR; + TclCompileSyntaxError(interp, envPtr); + return TCL_OK; } /* @@ -3166,10 +3156,7 @@ TclPushVarName( CompileEnv *envPtr, /* Holds resulting instructions. */ int flags, /* TCL_NO_LARGE_INDEX | TCL_NO_ELEMENT. */ int *localIndexPtr, /* 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. - * line. */ + int *isScalarPtr) /* Must not be NULL. */ { register const char *p; const char *name, *elName; @@ -3349,8 +3336,6 @@ TclPushVarName( if (elName != NULL && !(flags & TCL_NO_ELEMENT)) { if (elNameChars) { - envPtr->line = line; - envPtr->clNext = clNext; TclCompileTokens(interp, elemTokenPtr, elemTokenCount, envPtr); } else { @@ -3362,8 +3347,6 @@ TclPushVarName( * The var name isn't simple: compile and push it. */ - envPtr->line = line; - envPtr->clNext = clNext; CompileTokens(envPtr, varTokenPtr, interp); } diff --git a/generic/tclCompCmdsGR.c b/generic/tclCompCmdsGR.c index f7c15e6..150c378 100644 --- a/generic/tclCompCmdsGR.c +++ b/generic/tclCompCmdsGR.c @@ -60,6 +60,7 @@ TclCompileGlobalCmd( int localIndex, numWords, i; DefineLineInformation; /* TIP #280 */ + /* TODO: Consider support for compiling expanded args. */ numWords = parsePtr->numWords; if (numWords < 2) { return TCL_ERROR; @@ -264,8 +265,7 @@ TclCompileIfCmd( */ if (compileScripts) { - SetLineInformation(wordIdx); - CompileBody(envPtr, tokenPtr, interp); + BODY(tokenPtr, wordIdx); } if (realCond) { @@ -345,8 +345,7 @@ TclCompileIfCmd( * Compile the else command body. */ - SetLineInformation(wordIdx); - CompileBody(envPtr, tokenPtr, interp); + BODY(tokenPtr, wordIdx); } /* @@ -701,8 +700,7 @@ TclCompileInfoLevelCmd( * list of arguments. */ - SetLineInformation(1); - CompileTokens(envPtr, TokenAfter(parsePtr->tokenPtr), interp); + CompileWord(envPtr, TokenAfter(parsePtr->tokenPtr), interp, 1); TclEmitOpcode( INST_INFO_LEVEL_ARGS, envPtr); } return TCL_OK; @@ -823,6 +821,7 @@ TclCompileLappendCmd( return TCL_ERROR; } + /* TODO: Consider support for compiling expanded args. */ numWords = parsePtr->numWords; if (numWords == 1) { return TCL_ERROR; @@ -1064,6 +1063,7 @@ TclCompileLindexCmd( * Quit if too few args. */ + /* TODO: Consider support for compiling expanded args. */ if (numWords <= 1) { return TCL_ERROR; } @@ -1586,6 +1586,7 @@ TclCompileLsetCmd( * Check argument count. */ + /* TODO: Consider support for compiling expanded args. */ if (parsePtr->numWords < 3) { /* * Fail at run time, not in compilation. @@ -2534,6 +2535,7 @@ TclCompileSyntaxError( TclEmitPush(TclRegisterNewLiteral(envPtr, bytes, numBytes), envPtr); CompileReturnInternal(envPtr, INST_SYNTAX, TCL_ERROR, 0, TclNoErrorStack(interp, Tcl_GetReturnOptions(interp, TCL_ERROR))); + Tcl_ResetResult(interp); } /* diff --git a/generic/tclCompCmdsSZ.c b/generic/tclCompCmdsSZ.c index 855dd8f..d1eb9db 100644 --- a/generic/tclCompCmdsSZ.c +++ b/generic/tclCompCmdsSZ.c @@ -40,17 +40,14 @@ static int CompileUnaryOpCmd(Tcl_Interp *interp, Tcl_Parse *parsePtr, int instruction, CompileEnv *envPtr); static void IssueSwitchChainedTests(Tcl_Interp *interp, - CompileEnv *envPtr, ExtCmdLoc *mapPtr, - int eclIndex, int mode, int noCase, - int valueIndex, Tcl_Token *valueTokenPtr, - int numWords, Tcl_Token **bodyToken, - int *bodyLines, int **bodyNext); -static void IssueSwitchJumpTable(Tcl_Interp *interp, - CompileEnv *envPtr, ExtCmdLoc *mapPtr, - int eclIndex, int valueIndex, - Tcl_Token *valueTokenPtr, int numWords, + CompileEnv *envPtr, int mode, int noCase, + int valueIndex, int numWords, Tcl_Token **bodyToken, int *bodyLines, - int **bodyContLines); + int **bodyNext); +static void IssueSwitchJumpTable(Tcl_Interp *interp, + CompileEnv *envPtr, int valueIndex, + int numWords, Tcl_Token **bodyToken, + int *bodyLines, int **bodyContLines); static int IssueTryClausesInstructions(Tcl_Interp *interp, CompileEnv *envPtr, Tcl_Token *bodyToken, int numHandlers, int *matchCodes, @@ -88,8 +85,6 @@ const AuxDataType tclJumptableInfoType = { TclEmitInstInt1(INST_##name,(val1),envPtr);TclEmitInt4((val2),envPtr) #define OP44(name,val1,val2) \ TclEmitInstInt4(INST_##name,(val1),envPtr);TclEmitInt4((val2),envPtr) -#define BODY(token,index) \ - SetLineInformation((index));CompileBody(envPtr,(token),interp) #define PUSH(str) \ PushStringLiteral(envPtr, str) #define JUMP4(name,var) \ @@ -748,6 +743,9 @@ TclSubstCompile( Tcl_InterpState state = NULL; TclSubstParse(interp, bytes, numBytes, flags, &parse, &state); + if (state != NULL) { + Tcl_ResetResult(interp); + } /* * Tricky point! If the first token does not result in a *guaranteed* push @@ -993,9 +991,6 @@ TclSubstCompile( * Instructions are added to envPtr to execute the "switch" command at * runtime. * - * FIXME: - * Stack depths are probably not calculated correctly. - * *---------------------------------------------------------------------- */ @@ -1286,13 +1281,15 @@ TclCompileSwitchCmd( * but it handles the most common case well enough. */ + /* Both methods push the value to match against onto the stack. */ + CompileWord(envPtr, valueTokenPtr, interp, valueIndex); + if (mode == Switch_Exact) { - IssueSwitchJumpTable(interp, envPtr, mapPtr, eclIndex, valueIndex, - valueTokenPtr, numWords, bodyToken, bodyLines, bodyContLines); + IssueSwitchJumpTable(interp, envPtr, valueIndex, numWords, bodyToken, + bodyLines, bodyContLines); } else { - IssueSwitchChainedTests(interp, envPtr, mapPtr, eclIndex, mode,noCase, - valueIndex, valueTokenPtr, numWords, bodyToken, bodyLines, - bodyContLines); + IssueSwitchChainedTests(interp, envPtr, mode, noCase, valueIndex, + numWords, bodyToken, bodyLines, bodyContLines); } result = TCL_OK; @@ -1330,13 +1327,9 @@ static void IssueSwitchChainedTests( Tcl_Interp *interp, /* Context for compiling script bodies. */ CompileEnv *envPtr, /* Holds resulting instructions. */ - ExtCmdLoc *mapPtr, /* For mapping tokens to their source code - * location. */ - int eclIndex, int mode, /* Exact, Glob or Regexp */ int noCase, /* Case-insensitivity flag. */ int valueIndex, /* The value to match against. */ - Tcl_Token *valueTokenPtr, int numBodyTokens, /* Number of tokens describing things the * switch can match against and bodies to * execute when the match succeeds. */ @@ -1361,13 +1354,6 @@ IssueSwitchChainedTests( int i; /* - * First, we push the value we're matching against on the stack. - */ - - SetLineInformation(valueIndex); - CompileTokens(envPtr, valueTokenPtr, interp); - - /* * Generate a test for each arm. */ @@ -1510,7 +1496,7 @@ IssueSwitchChainedTests( } /* - * Now do the actual compilation. Note that we do not use CompileBody + * Now do the actual compilation. Note that we do not use BODY() * because we may have synthesized the tokens in a non-standard * pattern. */ @@ -1592,11 +1578,7 @@ static void IssueSwitchJumpTable( Tcl_Interp *interp, /* Context for compiling script bodies. */ CompileEnv *envPtr, /* Holds resulting instructions. */ - ExtCmdLoc *mapPtr, /* For mapping tokens to their source code - * location. */ - int eclIndex, int valueIndex, /* The value to match against. */ - Tcl_Token *valueTokenPtr, int numBodyTokens, /* Number of tokens describing things the * switch can match against and bodies to * execute when the match succeeds. */ @@ -1612,13 +1594,6 @@ IssueSwitchJumpTable( Tcl_HashEntry *hPtr; /* - * First, we push the value we're matching against on the stack. - */ - - SetLineInformation(valueIndex); - CompileTokens(envPtr, valueTokenPtr, interp); - - /* * Compile the switch by using a jump table, which is basically a * hashtable that maps from literal values to match against to the offset * (relative to the INST_JUMP_TABLE instruction) to jump to. The jump @@ -2048,8 +2023,7 @@ TclCompileTryCmd( */ DefineLineInformation; /* TIP #280 */ - SetLineInformation(1); - CompileBody(envPtr, bodyToken, interp); + BODY(bodyToken, 1); return TCL_OK; } @@ -2844,6 +2818,7 @@ TclCompileUnsetCmd( Tcl_Obj *leadingWord; DefineLineInformation; /* TIP #280 */ + /* TODO: Consider support for compiling expanded args. */ numWords = parsePtr->numWords-1; flags = 1; varTokenPtr = TokenAfter(parsePtr->tokenPtr); @@ -3028,13 +3003,12 @@ TclCompileWhileCmd( * Compile the loop body. */ - SetLineInformation(2); bodyCodeOffset = ExceptionRangeStarts(envPtr, range); if (!loopMayEnd) { envPtr->exceptArrayPtr[range].continueOffset = testCodeOffset; envPtr->exceptArrayPtr[range].codeOffset = bodyCodeOffset; } - CompileBody(envPtr, bodyTokenPtr, interp); + BODY(bodyTokenPtr, 2); ExceptionRangeEnds(envPtr, range); OP( POP); @@ -3200,6 +3174,7 @@ CompileAssociativeBinaryOpCmd( DefineLineInformation; /* TIP #280 */ int words; + /* TODO: Consider support for compiling expanded args. */ for (words=1 ; words<parsePtr->numWords ; words++) { tokenPtr = TokenAfter(tokenPtr); CompileWord(envPtr, tokenPtr, interp, words); @@ -3283,6 +3258,7 @@ CompileComparisonOpCmd( Tcl_Token *tokenPtr; DefineLineInformation; /* TIP #280 */ + /* TODO: Consider support for compiling expanded args. */ if (parsePtr->numWords < 3) { PUSH("1"); } else if (parsePtr->numWords == 3) { @@ -3620,6 +3596,7 @@ TclCompileMinusOpCmd( DefineLineInformation; /* TIP #280 */ int words; + /* TODO: Consider support for compiling expanded args. */ if (parsePtr->numWords == 1) { /* * Fallback to direct eval to report syntax error. @@ -3665,6 +3642,7 @@ TclCompileDivOpCmd( DefineLineInformation; /* TIP #280 */ int words; + /* TODO: Consider support for compiling expanded args. */ if (parsePtr->numWords == 1) { /* * Fallback to direct eval to report syntax error. diff --git a/generic/tclCompile.c b/generic/tclCompile.c index 633966e..e4da2ba 100644 --- a/generic/tclCompile.c +++ b/generic/tclCompile.c @@ -562,8 +562,6 @@ static void EnterCmdExtentData(CompileEnv *envPtr, int cmdNumber, int numSrcBytes, int numCodeBytes); static void EnterCmdStartData(CompileEnv *envPtr, int cmdNumber, int srcOffset, int codeOffset); -static Command * FindCompiledCommandFromToken(Tcl_Interp *interp, - Tcl_Token *tokenPtr); static void FreeByteCodeInternalRep(Tcl_Obj *objPtr); static void FreeSubstCodeInternalRep(Tcl_Obj *objPtr); static int GetCmdLocEncodingSize(CompileEnv *envPtr); @@ -1292,8 +1290,6 @@ ReleaseCmdWordData( ckfree((char *) eclPtr->loc); } - Tcl_DeleteHashTable (&eclPtr->litInfo); - ckfree((char *) eclPtr); } @@ -1378,7 +1374,6 @@ TclInitCompileEnv( envPtr->extCmdMapPtr->nloc = 0; envPtr->extCmdMapPtr->nuloc = 0; envPtr->extCmdMapPtr->path = NULL; - Tcl_InitHashTable(&envPtr->extCmdMapPtr->litInfo, TCL_ONE_WORD_KEYS); if ((invoker == NULL) || (invoker->type == TCL_LOCATION_EVAL_LIST)) { /* @@ -1672,54 +1667,6 @@ TclWordKnownAtCompileTime( } /* - * --------------------------------------------------------------------- - * - * FindCompiledCommandFromToken -- - * - * A simple helper that looks up a command's compiler from its token. - * - * --------------------------------------------------------------------- - */ - -static Command * -FindCompiledCommandFromToken( - Tcl_Interp *interp, - Tcl_Token *tokenPtr) -{ - Tcl_DString ds; - Command *cmdPtr; - - /* - * If we have a non-trivial token or are suppressing compilation, we stop - * right now. - */ - - if ((tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) - || (((Interp *) interp)->flags & DONT_COMPILE_CMDS_INLINE)) { - return NULL; - } - - /* - * We copy the string before trying to find the command by name. We used - * to modify the string in place, but this is not safe because the name - * resolution handlers could have side effects that rely on the unmodified - * string. - */ - - Tcl_DStringInit(&ds); - TclDStringAppendToken(&ds, &tokenPtr[1]); - cmdPtr = (Command *) Tcl_FindCommand(interp, Tcl_DStringValue(&ds), NULL, - /*flags*/ 0); - if (cmdPtr != NULL && (cmdPtr->compileProc == NULL - || (cmdPtr->nsPtr->flags & NS_SUPPRESS_COMPILATION) - || (cmdPtr->flags & CMD_HAS_EXEC_TRACES))) { - cmdPtr = NULL; - } - Tcl_DStringFree(&ds); - return cmdPtr; -} - -/* *---------------------------------------------------------------------- * * TclCompileScript -- @@ -1737,460 +1684,459 @@ FindCompiledCommandFromToken( *---------------------------------------------------------------------- */ -void -TclCompileScript( - Tcl_Interp *interp, /* Used for error and status reporting. Also - * serves as context for finding and compiling - * commands. May not be NULL. */ - const char *script, /* The source script to compile. */ - int numBytes, /* Number of bytes in script. If < 0, the - * script consists of all bytes up to the - * first null character. */ - CompileEnv *envPtr) /* Holds resulting instructions. */ +static int +ExpandRequested( + Tcl_Token *tokenPtr, + int numWords) { - int lastTopLevelCmdIndex = -1; - /* Index of most recent toplevel command in - * the command location table. Initialized to - * avoid compiler warning. */ - int startCodeOffset = -1; /* Offset of first byte of current command's - * code. Init. to avoid compiler warning. */ - unsigned char *entryCodeNext = envPtr->codeNext; - const char *p, *next; - Command *cmdPtr; - Tcl_Token *tokenPtr; - int bytesLeft, isFirstCmd, wordIdx, currCmdIndex, commandLength, objIndex; - /* TIP #280 */ - ExtCmdLoc *eclPtr = envPtr->extCmdMapPtr; - int *wlines, wlineat, cmdLine, *clNext; - Tcl_Parse parse, *parsePtr = &parse; + /* Determine whether any words of the command require expansion */ + while (numWords--) { + if (tokenPtr->type == TCL_TOKEN_EXPAND_WORD) { + return 1; + } + tokenPtr = TokenAfter(tokenPtr); + } + return 0; +} - if (envPtr->iPtr == NULL) { - Tcl_Panic("TclCompileScript() called on uninitialized CompileEnv"); +static void +CompileCmdLiteral( + Tcl_Interp *interp, + Tcl_Obj *cmdObj, + CompileEnv *envPtr) +{ + int numBytes; + const char *bytes = Tcl_GetStringFromObj(cmdObj, &numBytes); + int cmdLitIdx = TclRegisterNewCmdLiteral(envPtr, bytes, numBytes); + Command *cmdPtr = (Command *) Tcl_GetCommandFromObj(interp, cmdObj); + + if (cmdPtr) { + TclSetCmdNameObj(interp, TclFetchLiteral(envPtr, cmdLitIdx), cmdPtr); } + TclEmitPush(cmdLitIdx, envPtr); +} + +void +TclCompileInvocation( + Tcl_Interp *interp, + Tcl_Token *tokenPtr, + Tcl_Obj *cmdObj, + int numWords, + CompileEnv *envPtr) +{ + int wordIdx = 0; + DefineLineInformation; - if (numBytes < 0) { - numBytes = strlen(script); + if (cmdObj) { + CompileCmdLiteral(interp, cmdObj, envPtr); + wordIdx = 1; + tokenPtr = TokenAfter(tokenPtr); } - Tcl_ResetResult(interp); - isFirstCmd = 1; - /* - * Each iteration through the following loop compiles the next command - * from the script. - */ + for (; wordIdx < numWords; wordIdx++, tokenPtr = TokenAfter(tokenPtr)) { + int objIdx; - p = script; - bytesLeft = numBytes; - cmdLine = envPtr->line; - clNext = envPtr->clNext; - do { - if (Tcl_ParseCommand(interp, p, bytesLeft, 0, parsePtr) != TCL_OK) { - /* - * Compile bytecodes to report the parse error at runtime. - */ + SetLineInformation(wordIdx); - Tcl_LogCommandInfo(interp, script, parsePtr->commandStart, - /* Drop the command terminator (";","]") if appropriate */ - (parsePtr->term == - parsePtr->commandStart + parsePtr->commandSize - 1)? - parsePtr->commandSize - 1 : parsePtr->commandSize); - TclCompileSyntaxError(interp, envPtr); - break; + if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { + CompileTokens(envPtr, tokenPtr, interp); + continue; } - /* - * TIP #280: We have to count newlines before the command even in the - * degenerate case when the command has no words. (See test - * info-30.33). - * So make that counting here, and not in the (numWords > 0) branch - * below. - */ + objIdx = TclRegisterNewLiteral(envPtr, + tokenPtr[1].start, tokenPtr[1].size); + if (envPtr->clNext) { + TclContinuationsEnterDerived(TclFetchLiteral(envPtr, objIdx), + tokenPtr[1].start - envPtr->source, envPtr->clNext); + } + TclEmitPush(objIdx, envPtr); + } - TclAdvanceLines(&cmdLine, p, parsePtr->commandStart); - TclAdvanceContinuations(&cmdLine, &clNext, - parsePtr->commandStart - envPtr->source); + if (wordIdx <= 255) { + TclEmitInstInt1(INST_INVOKE_STK1, wordIdx, envPtr); + } else { + TclEmitInstInt4(INST_INVOKE_STK4, wordIdx, envPtr); + } +} - if (parsePtr->numWords > 0) { - int expand = 0; /* Set if there are dynamic expansions to - * handle */ +static void +CompileExpanded( + Tcl_Interp *interp, + Tcl_Token *tokenPtr, + Tcl_Obj *cmdObj, + int numWords, + CompileEnv *envPtr) +{ + int wordIdx = 0; + DefineLineInformation; - /* - * If not the first command, pop the previous command's result - * and, if we're compiling a top level command, update the last - * command's code size to account for the pop instruction. - */ - if (!isFirstCmd) { - TclEmitOpcode(INST_POP, envPtr); - envPtr->cmdMapPtr[lastTopLevelCmdIndex].numCodeBytes = - (envPtr->codeNext - envPtr->codeStart) - - startCodeOffset; - } + StartExpanding(envPtr); + if (cmdObj) { + CompileCmdLiteral(interp, cmdObj, envPtr); + wordIdx = 1; + tokenPtr = TokenAfter(tokenPtr); + } - /* - * Determine the actual length of the command. - */ + for (; wordIdx < numWords; wordIdx++, tokenPtr = TokenAfter(tokenPtr)) { + int objIdx; - commandLength = parsePtr->commandSize; - if (parsePtr->term == parsePtr->commandStart + commandLength-1) { - /* - * The command terminator character (such as ; or ]) is the - * last character in the parsed command. Reduce the length by - * one so that the trace message doesn't include the - * terminator character. - */ + SetLineInformation(wordIdx); - commandLength -= 1; + if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { + CompileTokens(envPtr, tokenPtr, interp); + if (tokenPtr->type == TCL_TOKEN_EXPAND_WORD) { + TclEmitInstInt4(INST_EXPAND_STKTOP, + envPtr->currStackDepth, envPtr); } + continue; + } -#ifdef TCL_COMPILE_DEBUG - /* - * If tracing, print a line for each top level command compiled. - */ + objIdx = TclRegisterNewLiteral(envPtr, + tokenPtr[1].start, tokenPtr[1].size); + if (envPtr->clNext) { + TclContinuationsEnterDerived(TclFetchLiteral(envPtr, objIdx), + tokenPtr[1].start - envPtr->source, envPtr->clNext); + } + TclEmitPush(objIdx, envPtr); + } - if ((tclTraceCompile >= 1) && (envPtr->procPtr == NULL)) { - fprintf(stdout, " Compiling: "); - TclPrintSource(stdout, parsePtr->commandStart, - TclMin(commandLength, 55)); - fprintf(stdout, "\n"); - } -#endif + /* + * The stack depth during argument expansion can only be + * managed at runtime, as the number of elements in the + * expanded lists is not known at compile time. We adjust here + * the stack depth estimate so that it is correct after the + * command with expanded arguments returns. + * + * The end effect of this command's invocation is that all the + * words of the command are popped from the stack, and the + * result is pushed: the stack top changes by (1-wordIdx). + * + * Note that the estimates are not correct while the command + * is being prepared and run, INST_EXPAND_STKTOP is not + * stack-neutral in general. + */ - /* - * Check whether expansion has been requested for any of the - * words. - */ + TclEmitOpcode(INST_INVOKE_EXPANDED, envPtr); + envPtr->expandCount--; + TclAdjustStackDepth(1 - wordIdx, envPtr); +} - for (wordIdx = 0, tokenPtr = parsePtr->tokenPtr; - wordIdx < parsePtr->numWords; - wordIdx++, tokenPtr += tokenPtr->numComponents + 1) { - if (tokenPtr->type == TCL_TOKEN_EXPAND_WORD) { - expand = 1; - break; - } - } +static int +CompileCmdCompileProc( + Tcl_Interp *interp, + Tcl_Parse *parsePtr, + Command *cmdPtr, + CompileEnv *envPtr) +{ + int unwind = 0, incrOffset = -1; + DefineLineInformation; + + /* + * Emit of the INST_START_CMD instruction is controlled by + * the value of envPtr->atCmdStart: + * + * atCmdStart == 2 : We are not using the INST_START_CMD instruction. + * atCmdStart == 1 : INST_START_CMD was the last instruction emitted. + * : We do not need to emit another. Instead we + * : increment the number of cmds started at it (except + * : for the special case at the start of a script.) + * atCmdStart == 0 : The last instruction was something else. We need + * : to emit INST_START_CMD here. + */ + + switch (envPtr->atCmdStart) { + case 0: + unwind = tclInstructionTable[INST_START_CMD].numBytes; + TclEmitInstInt4(INST_START_CMD, 0, envPtr); + incrOffset = envPtr->codeNext - envPtr->codeStart; + TclEmitInt4(0, envPtr); + break; + case 1: + if (envPtr->codeNext > envPtr->codeStart) { + incrOffset = envPtr->codeNext - 4 - envPtr->codeStart; + } + break; + case 2: + /* Nothing to do */ + ; + } + if (TCL_OK == TclAttemptCompileProc(interp, parsePtr, 1, cmdPtr, envPtr)) { + if (incrOffset >= 0) { /* - * If expansion was requested, check if the command declares that - * it knows how to compile it. Note that if expansion is requested - * for the first word, this check will fail as the token type will - * inhibit it. (Checked inside FindCompiledCommandFromToken.) This - * is as it should be. + * We successfully compiled a command. Increment the number + * of commands that start at the currently active INST_START_CMD. */ + unsigned char *incrPtr = envPtr->codeStart + incrOffset; + unsigned char *startPtr = incrPtr - 5; - if (expand) { - cmdPtr = FindCompiledCommandFromToken(interp, - parsePtr->tokenPtr); - if (cmdPtr && (cmdPtr->flags & CMD_COMPILES_EXPANDED)) { - expand = 0; - } + TclIncrUInt4AtPtr(incrPtr, 1); + if (unwind) { + /* We started the INST_START_CMD. Record the code length. */ + TclStoreInt4AtPtr(envPtr->codeNext - startPtr, startPtr + 1); } + } + return TCL_OK; + } - envPtr->numCommands++; - currCmdIndex = envPtr->numCommands - 1; - lastTopLevelCmdIndex = currCmdIndex; - startCodeOffset = envPtr->codeNext - envPtr->codeStart; - EnterCmdStartData(envPtr, currCmdIndex, - parsePtr->commandStart - envPtr->source, startCodeOffset); + envPtr->codeNext -= unwind; /* Unwind INST_START_CMD */ - /* - * Should only start issuing instructions after the "command has - * started" so that the command range is correct in the bytecode. - */ + /* + * Throw out any line information generated by the failed + * compile attempt. + */ + while (mapPtr->nuloc - 1 > eclIndex) { + mapPtr->nuloc--; + ckfree(mapPtr->loc[mapPtr->nuloc].line); + mapPtr->loc[mapPtr->nuloc].line = NULL; + } - if (expand) { - StartExpanding(envPtr); - } + /* + * Reset the index of next command. + * Toss out any from failed nested partial compiles. + */ + envPtr->numCommands = mapPtr->nuloc; - /* - * TIP #280. Scan the words and compute the extended location - * information. The map first contain full per-word line - * information for use by the compiler. This is later replaced by - * a reduced form which signals non-literal words, stored in - * 'wlines'. - */ + return TCL_ERROR; +} - EnterCmdWordData(eclPtr, parsePtr->commandStart - envPtr->source, - parsePtr->tokenPtr, parsePtr->commandStart, - parsePtr->commandSize, parsePtr->numWords, cmdLine, - clNext, &wlines, envPtr); - wlineat = eclPtr->nuloc - 1; +static int +CompileCommandTokens( + Tcl_Interp *interp, + Tcl_Parse *parsePtr, + CompileEnv *envPtr) +{ + Interp *iPtr = (Interp *) interp; + Tcl_Token *tokenPtr = parsePtr->tokenPtr; + ExtCmdLoc *eclPtr = envPtr->extCmdMapPtr; + Tcl_Obj *cmdObj = Tcl_NewObj(); + Command *cmdPtr = NULL; + int code = TCL_ERROR; + int cmdKnown, expand = -1; + int *wlines, wlineat; + int cmdLine = envPtr->line; + int *clNext = envPtr->clNext; + int cmdIdx = envPtr->numCommands; + int startCodeOffset = envPtr->codeNext - envPtr->codeStart; - /* - * Each iteration of the following loop compiles one word from the - * command. - */ + assert (parsePtr->numWords > 0); - for (wordIdx = 0, tokenPtr = parsePtr->tokenPtr; - wordIdx < parsePtr->numWords; wordIdx++, - tokenPtr += tokenPtr->numComponents + 1) { - /* - * Note the parse location information. - */ + /* Pre-Compile */ - envPtr->line = eclPtr->loc[wlineat].line[wordIdx]; - envPtr->clNext = eclPtr->loc[wlineat].next[wordIdx]; + envPtr->numCommands++; + EnterCmdStartData(envPtr, cmdIdx, + parsePtr->commandStart - envPtr->source, startCodeOffset); - if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { - /* - * The word is not a simple string of characters. - */ + /* + * TIP #280. Scan the words and compute the extended location + * information. The map first contain full per-word line + * information for use by the compiler. This is later replaced by + * a reduced form which signals non-literal words, stored in + * 'wlines'. + */ - CompileTokens(envPtr, tokenPtr, interp); - if (expand && tokenPtr->type == TCL_TOKEN_EXPAND_WORD) { - TclEmitInstInt4(INST_EXPAND_STKTOP, - envPtr->currStackDepth, envPtr); - } - continue; - } + EnterCmdWordData(eclPtr, parsePtr->commandStart - envPtr->source, + parsePtr->tokenPtr, parsePtr->commandStart, + parsePtr->commandSize, parsePtr->numWords, cmdLine, + clNext, &wlines, envPtr); + wlineat = eclPtr->nuloc - 1; - /* - * This is a simple string of literal characters (i.e. we know - * it absolutely and can use it directly). If this is the - * first word and the command has a compile procedure, let it - * compile the command. - */ + envPtr->line = eclPtr->loc[wlineat].line[0]; + envPtr->clNext = eclPtr->loc[wlineat].next[0]; - if ((wordIdx == 0) && !expand) { - cmdPtr = FindCompiledCommandFromToken(interp, tokenPtr); - if (cmdPtr) { - int savedNumCmds = envPtr->numCommands; - unsigned savedCodeNext = - envPtr->codeNext - envPtr->codeStart; - int update = 0; - int startStackDepth = envPtr->currStackDepth; - - /* - * Mark the start of the command; the proper bytecode - * length will be updated later. There is no need to - * do this for the first bytecode in the compile env, - * as the check is done before calling - * TclNRExecuteByteCode(). Do emit an INST_START_CMD - * in special cases where the first bytecode is in a - * loop, to insure that the corresponding command is - * counted properly. Compilers for commands able to - * produce such a beast (currently 'while 1' only) set - * envPtr->atCmdStart to 0 in order to signal this - * case. [Bug 1752146] - * - * Note that the environment is initialised with - * atCmdStart=1 to avoid emitting ISC for the first - * command. - */ - - if (envPtr->atCmdStart == 1) { - if (savedCodeNext != 0) { - /* - * Increase the number of commands being - * started at the current point. Note that - * this depends on the exact layout of the - * INST_START_CMD's operands, so be careful! - */ - - TclIncrUInt4AtPtr(envPtr->codeNext - 4, 1) - } - } else if (envPtr->atCmdStart == 0) { - TclEmitInstInt4(INST_START_CMD, 0, envPtr); - TclEmitInt4(1, envPtr); - update = 1; - } - - if (cmdPtr->compileProc(interp, parsePtr, cmdPtr, - envPtr) == TCL_OK) { - /* - * Confirm that the command compiler generated a - * single value on the stack as its result. This - * is only done in debugging mode, as it *should* - * be correct and normal users have no reasonable - * way to fix it anyway. - */ + /* Do we know the command word? */ + Tcl_IncrRefCount(cmdObj); + tokenPtr = parsePtr->tokenPtr; + cmdKnown = TclWordKnownAtCompileTime(tokenPtr, cmdObj); -#ifdef TCL_COMPILE_DEBUG - int diff = envPtr->currStackDepth-startStackDepth; - - if (diff != 1) { - Tcl_Panic("bad stack adjustment when compiling" - " %.*s (was %d instead of 1)", - parsePtr->tokenPtr->size, - parsePtr->tokenPtr->start, diff); - } -#endif - if (update) { - /* - * Fix the bytecode length. - */ - - unsigned char *fixPtr = envPtr->codeStart - + savedCodeNext + 1; - unsigned fixLen = envPtr->codeNext - - envPtr->codeStart - savedCodeNext; - - TclStoreInt4AtPtr(fixLen, fixPtr); - } - goto finishCommand; - } - - if (envPtr->atCmdStart == 1 && savedCodeNext != 0) { - /* - * Decrease the number of commands being started - * at the current point. Note that this depends on - * the exact layout of the INST_START_CMD's - * operands, so be careful! - */ - - TclIncrUInt4AtPtr(envPtr->codeNext - 4, -1); - } - - /* - * Restore numCommands and codeNext to their correct - * values, removing any commands compiled before the - * failure to produce bytecode got reported. [Bugs - * 705406 and 735055] - */ - - envPtr->numCommands = savedNumCmds; - envPtr->codeNext = envPtr->codeStart + savedCodeNext; - - /* - * And the stack depth too!! [Bug 3614102]. - */ - - envPtr->currStackDepth = startStackDepth; - } + /* Is this a command we should (try to) compile with a compileProc ? */ + if (cmdKnown && !(iPtr->flags & DONT_COMPILE_CMDS_INLINE)) { + cmdPtr = (Command *) Tcl_GetCommandFromObj(interp, cmdObj); + if (cmdPtr) { + /* + * Found a command. Test the ways we can be told + * not to attempt to compile it. + */ + if ((cmdPtr->compileProc == NULL) + || (cmdPtr->nsPtr->flags & NS_SUPPRESS_COMPILATION) + || (cmdPtr->flags & CMD_HAS_EXEC_TRACES)) { + cmdPtr = NULL; + } + } + if (cmdPtr && !(cmdPtr->flags & CMD_COMPILES_EXPANDED)) { + expand = ExpandRequested(parsePtr->tokenPtr, parsePtr->numWords); + if (expand) { + /* We need to expand, but compileProc cannot. */ + cmdPtr = NULL; + } + } + } - /* - * No compile procedure so push the word. If the command - * was found, push a CmdName object to reduce runtime - * lookups. Mark this as a command name literal to reduce - * shimmering. - */ + /* If cmdPtr != NULL, we will try to call cmdPtr->compileProc */ + if (cmdPtr) { + code = CompileCmdCompileProc(interp, parsePtr, cmdPtr, envPtr); + } - objIndex = TclRegisterNewCmdLiteral(envPtr, - tokenPtr[1].start, tokenPtr[1].size); - if (cmdPtr) { - TclSetCmdNameObj(interp, - TclFetchLiteral(envPtr, objIndex), cmdPtr); - } - } else { - /* - * Simple argument word of a command. We reach this if and - * only if the command word was not compiled for whatever - * reason. Register the literal's location for use by - * uplevel, etc. commands, should they encounter it - * unmodified. We care only if the we are in a context - * which already allows absolute counting. - */ + if (code == TCL_ERROR) { + if (expand < 0) { + expand = ExpandRequested(parsePtr->tokenPtr, parsePtr->numWords); + } - objIndex = TclRegisterNewLiteral(envPtr, - tokenPtr[1].start, tokenPtr[1].size); + if (expand) { + CompileExpanded(interp, parsePtr->tokenPtr, + cmdKnown ? cmdObj : NULL, parsePtr->numWords, envPtr); + } else { + TclCompileInvocation(interp, parsePtr->tokenPtr, + cmdKnown ? cmdObj : NULL, parsePtr->numWords, envPtr); + } + } - if (envPtr->clNext) { - TclContinuationsEnterDerived( - TclFetchLiteral(envPtr, objIndex), - tokenPtr[1].start - envPtr->source, - eclPtr->loc[wlineat].next[wordIdx]); - } - } - TclEmitPush(objIndex, envPtr); - } /* for loop */ + Tcl_DecrRefCount(cmdObj); - /* - * Emit an invoke instruction for the command. We skip this if a - * compile procedure was found for the command. - */ - assert(wordIdx > 0); + TclEmitOpcode(INST_POP, envPtr); + EnterCmdExtentData(envPtr, cmdIdx, + parsePtr->term - parsePtr->commandStart, + (envPtr->codeNext-envPtr->codeStart) - startCodeOffset); - if (expand) { - /* - * The stack depth during argument expansion can only be - * managed at runtime, as the number of elements in the - * expanded lists is not known at compile time. We adjust here - * the stack depth estimate so that it is correct after the - * command with expanded arguments returns. - * - * The end effect of this command's invocation is that all the - * words of the command are popped from the stack, and the - * result is pushed: the stack top changes by (1-wordIdx). - * - * Note that the estimates are not correct while the command - * is being prepared and run, INST_EXPAND_STKTOP is not - * stack-neutral in general. - */ + /* + * TIP #280: Free full form of per-word line data and insert the + * reduced form now + */ - TclEmitOpcode(INST_INVOKE_EXPANDED, envPtr); - envPtr->expandCount--; - TclAdjustStackDepth(1 - wordIdx, envPtr); - } else { - /* - * Save PC -> command map for the TclArgumentBC* functions. - */ + envPtr->line = cmdLine; + envPtr->clNext = clNext; + ckfree(eclPtr->loc[wlineat].line); + ckfree(eclPtr->loc[wlineat].next); + eclPtr->loc[wlineat].line = wlines; + eclPtr->loc[wlineat].next = NULL; - int isnew; - Tcl_HashEntry *hePtr = Tcl_CreateHashEntry(&eclPtr->litInfo, - INT2PTR(envPtr->codeNext - envPtr->codeStart), - &isnew); + return cmdIdx; +} - Tcl_SetHashValue(hePtr, INT2PTR(wlineat)); - if (wordIdx <= 255) { - TclEmitInstInt1(INST_INVOKE_STK1, wordIdx, envPtr); - } else { - TclEmitInstInt4(INST_INVOKE_STK4, wordIdx, envPtr); - } - } +void +TclCompileScript( + Tcl_Interp *interp, /* Used for error and status reporting. Also + * serves as context for finding and compiling + * commands. May not be NULL. */ + const char *script, /* The source script to compile. */ + int numBytes, /* Number of bytes in script. If < 0, the + * script consists of all bytes up to the + * first null character. */ + CompileEnv *envPtr) /* Holds resulting instructions. */ +{ + int lastCmdIdx = -1; /* Index into envPtr->cmdMapPtr of the last + * command this routine compiles into bytecode. + * Initial value of -1 indicates this routine + * has not yet generated any bytecode. */ + const char *p = script; /* Where we are in our compile. */ - /* - * Update the compilation environment structure and record the - * offsets of the source and code for the command. - */ + if (envPtr->iPtr == NULL) { + Tcl_Panic("TclCompileScript() called on uninitialized CompileEnv"); + } - finishCommand: - EnterCmdExtentData(envPtr, currCmdIndex, commandLength, - (envPtr->codeNext-envPtr->codeStart) - startCodeOffset); - isFirstCmd = 0; + /* Each iteration compiles one command from the script. */ + while (numBytes > 0) { + Tcl_Parse parse; + const char *next; + + if (TCL_OK != Tcl_ParseCommand(interp, p, numBytes, 0, &parse)) { /* - * TIP #280: Free full form of per-word line data and insert the - * reduced form now + * Compile bytecodes to report the parse error at runtime. */ - ckfree(eclPtr->loc[wlineat].line); - ckfree(eclPtr->loc[wlineat].next); - eclPtr->loc[wlineat].line = wlines; - eclPtr->loc[wlineat].next = NULL; - } /* end if parsePtr->numWords > 0 */ + Tcl_LogCommandInfo(interp, script, parse.commandStart, + parse.term + 1 - parse.commandStart); + TclCompileSyntaxError(interp, envPtr); + return; + } +#ifdef TCL_COMPILE_DEBUG /* - * Advance to the next command in the script. + * If tracing, print a line for each top level command compiled. */ - next = parsePtr->commandStart + parsePtr->commandSize; - bytesLeft -= next - p; - p = next; + if ((tclTraceCompile >= 1) && (envPtr->procPtr == NULL)) { + int commandLength = parse.term - parse.commandStart; + fprintf(stdout, " Compiling: "); + TclPrintSource(stdout, parse.commandStart, + TclMin(commandLength, 55)); + fprintf(stdout, "\n"); + } +#endif /* - * TIP #280: Track lines in the just compiled command. + * TIP #280: Count newlines before the command start. + * (See test info-30.33). */ - TclAdvanceLines(&cmdLine, parsePtr->commandStart, p); - TclAdvanceContinuations(&cmdLine, &clNext, p - envPtr->source); - Tcl_FreeParse(parsePtr); - } while (bytesLeft > 0); + TclAdvanceLines(&envPtr->line, p, parse.commandStart); + TclAdvanceContinuations(&envPtr->line, &envPtr->clNext, + parse.commandStart - envPtr->source); - /* - * TIP #280: Bring the line counts in the CompEnv up to date. - * See tests info-30.33,34,35 . - */ + /* + * Advance parser to the next command in the script. + */ - envPtr->line = cmdLine; - envPtr->clNext = clNext; + next = parse.commandStart + parse.commandSize; + numBytes -= next - p; + p = next; - /* - * If the source script yielded no instructions (e.g., if it was empty), - * push an empty string as the command's result. - */ + if (parse.numWords == 0) { + /* + * The "command" parsed has no words. In this case + * we can skip the rest of the loop body. With no words, + * clearly CompileCommandTokens() has nothing to do. Since + * the parser aggressively sucks up leading comment and white + * space, including newlines, parse.commandStart must be + * pointing at either the end of script, or a command-terminating + * semi-colon. In either case, the TclAdvance*() calls have + * nothing to do. Finally, when no words are parsed, no + * tokens have been allocated at parse.tokenPtr so there's + * also nothing for Tcl_FreeParse() to do. + * + * The advantage of this shortcut is that CompileCommandTokens() + * can be written with an assumption that parse.numWords > 0, + * with the implication the CCT() always generates bytecode. + */ + continue; + } - if (envPtr->codeNext == entryCodeNext) { + lastCmdIdx = CompileCommandTokens(interp, &parse, envPtr); + + /* + * TIP #280: Track lines in the just compiled command. + */ + + TclAdvanceLines(&envPtr->line, parse.commandStart, p); + TclAdvanceContinuations(&envPtr->line, &envPtr->clNext, + p - envPtr->source); + Tcl_FreeParse(&parse); + } + + if (lastCmdIdx == -1) { + /* + * Compiling the script yielded no bytecode. The script must be + * all whitespace, comments, and empty commands. Such scripts + * are defined to successfully produce the empty string result, + * so we emit the simple bytecode that makes that happen. + */ PushStringLiteral(envPtr, ""); + } else { + /* + * We compiled at least one command to bytecode. The routine + * CompileCommandTokens() follows the bytecode of each compiled + * command with an INST_POP, so that stack balance is maintained + * when several commands are in sequence. (The result of each + * command is thrown away before moving on to the next command). + * For the last command compiled, we need to undo that INST_POP + * so that the result of the last command becomes the result of + * the script. The code here removes that trailing INST_POP. + */ + envPtr->cmdMapPtr[lastCmdIdx].numCodeBytes--; + envPtr->codeNext--; + envPtr->currStackDepth++; } } @@ -3962,69 +3908,6 @@ TclFixupForwardJump( } } - /* - * TIP #280: Adjust the mapping from PC values to the per-command - * information about arguments and their line numbers. - * - * Note: We cannot simply remove an out-of-date entry and then reinsert - * with the proper PC, because then we might overwrite another entry which - * was at that location. Therefore we pull (copy + delete) all effected - * entries (beyond the fixed PC) into an array, update them there, and at - * last reinsert them all. - */ - - { - ExtCmdLoc* eclPtr = envPtr->extCmdMapPtr; - - /* A helper structure */ - - typedef struct { - int pc; - int cmd; - } MAP; - - /* - * And the helper array. At most the whole hashtable is placed into - * this. - */ - - MAP *map = (MAP*) ckalloc (sizeof(MAP) * eclPtr->litInfo.numEntries); - - Tcl_HashSearch hSearch; - Tcl_HashEntry* hPtr; - int n, k, isnew; - - /* - * Phase I: Locate the affected entries, and save them in adjusted - * form to the array. This removes them from the hash. - */ - - for (n = 0, hPtr = Tcl_FirstHashEntry(&eclPtr->litInfo, &hSearch); - hPtr != NULL; - hPtr = Tcl_NextHashEntry(&hSearch)) { - - map [n].cmd = PTR2INT(Tcl_GetHashValue(hPtr)); - map [n].pc = PTR2INT(Tcl_GetHashKey (&eclPtr->litInfo,hPtr)); - - if (map[n].pc >= (jumpFixupPtr->codeOffset + 2)) { - Tcl_DeleteHashEntry(hPtr); - map [n].pc += 3; - n++; - } - } - - /* - * Phase II: Re-insert the modified entries into the hash. - */ - - for (k=0;k<n;k++) { - hPtr = Tcl_CreateHashEntry(&eclPtr->litInfo, INT2PTR(map[k].pc), &isnew); - Tcl_SetHashValue(hPtr, INT2PTR(map[k].cmd)); - } - - ckfree (map); - } - return 1; /* the jump was grown */ } diff --git a/generic/tclCompile.h b/generic/tclCompile.h index 9af4911..56315db 100644 --- a/generic/tclCompile.h +++ b/generic/tclCompile.h @@ -193,13 +193,6 @@ typedef struct ExtCmdLoc { ECL *loc; /* Command word locations (lines). */ int nloc; /* Number of allocated entries in 'loc'. */ int nuloc; /* Number of used entries in 'loc'. */ - Tcl_HashTable litInfo; /* Indexed by bytecode 'PC', to have the - * information accessible per command and - * argument, not per whole bytecode. Value is - * index of command in 'loc', giving us the - * literals to associate with line information - * as command argument, see - * TclArgumentBCEnter() */ } ExtCmdLoc; /* @@ -991,6 +984,9 @@ MODULE_SCOPE ByteCode * TclCompileObj(Tcl_Interp *interp, Tcl_Obj *objPtr, *---------------------------------------------------------------- */ +MODULE_SCOPE int TclAttemptCompileProc(Tcl_Interp *interp, + Tcl_Parse *parsePtr, int depth, Command *cmdPtr, + CompileEnv *envPtr); MODULE_SCOPE void TclCleanupByteCode(ByteCode *codePtr); MODULE_SCOPE void TclCleanupStackForBreakContinue(CompileEnv *envPtr, ExceptionAux *auxPtr); @@ -1002,6 +998,9 @@ MODULE_SCOPE void TclCompileExpr(Tcl_Interp *interp, const char *script, MODULE_SCOPE void TclCompileExprWords(Tcl_Interp *interp, Tcl_Token *tokenPtr, int numWords, CompileEnv *envPtr); +MODULE_SCOPE void TclCompileInvocation(Tcl_Interp *interp, + Tcl_Token *tokenPtr, Tcl_Obj *cmdObj, int numWords, + CompileEnv *envPtr); MODULE_SCOPE void TclCompileScript(Tcl_Interp *interp, const char *script, int numBytes, CompileEnv *envPtr); @@ -1074,7 +1073,7 @@ MODULE_SCOPE void TclPrintSource(FILE *outFile, MODULE_SCOPE void TclPushVarName(Tcl_Interp *interp, Tcl_Token *varTokenPtr, CompileEnv *envPtr, int flags, int *localIndexPtr, - int *isScalarPtr, int line, int *clNext); + int *isScalarPtr); MODULE_SCOPE int TclRegisterLiteral(CompileEnv *envPtr, char *bytes, int length, int flags); MODULE_SCOPE void TclReleaseLiteral(Tcl_Interp *interp, Tcl_Obj *objPtr); @@ -1407,16 +1406,16 @@ MODULE_SCOPE Tcl_Obj *TclNewInstNameObj(unsigned char inst); #define TclMax(i, j) ((((int) i) > ((int) j))? (i) : (j)) /* - * Convenience macro for use when compiling bodies of commands. The ANSI C - * "prototype" for this macro is: + * Convenience macros for use when compiling bodies of commands. The ANSI C + * "prototype" for these macros are: * - * static void CompileBody(CompileEnv *envPtr, Tcl_Token *tokenPtr, - * Tcl_Interp *interp); + * static void BODY(Tcl_Token *tokenPtr, int word); */ -#define CompileBody(envPtr, tokenPtr, interp) \ - TclCompileCmdWord((interp), (tokenPtr)+1, (tokenPtr)->numComponents, \ - (envPtr)) +#define BODY(tokenPtr, word) \ + SetLineInformation((word)); \ + TclCompileCmdWord(interp, (tokenPtr)+1, (tokenPtr)->numComponents, \ + envPtr) /* * Convenience macro for use when compiling tokens to be pushed. The ANSI C @@ -1515,13 +1514,10 @@ MODULE_SCOPE Tcl_Obj *TclNewInstNameObj(unsigned char inst); #define CompileWord(envPtr, tokenPtr, interp, word) \ if ((tokenPtr)->type == TCL_TOKEN_SIMPLE_WORD) { \ - TclEmitPush(TclRegisterNewLiteral((envPtr), (tokenPtr)[1].start, \ - (tokenPtr)[1].size), (envPtr)); \ + PushLiteral((envPtr), (tokenPtr)[1].start, (tokenPtr)[1].size); \ } else { \ - envPtr->line = mapPtr->loc[eclIndex].line[word]; \ - envPtr->clNext = mapPtr->loc[eclIndex].next[word]; \ - TclCompileTokens((interp), (tokenPtr)+1, (tokenPtr)->numComponents, \ - (envPtr)); \ + SetLineInformation((word)); \ + CompileTokens((envPtr), (tokenPtr), (interp)); \ } /* @@ -1542,9 +1538,8 @@ MODULE_SCOPE Tcl_Obj *TclNewInstNameObj(unsigned char inst); envPtr->clNext = mapPtr->loc[eclIndex].next[(word)] #define PushVarNameWord(i,v,e,f,l,sc,word) \ - TclPushVarName(i,v,e,f,l,sc, \ - mapPtr->loc[eclIndex].line[(word)], \ - mapPtr->loc[eclIndex].next[(word)]) + SetLineInformation(word); \ + TclPushVarName(i,v,e,f,l,sc) /* * Often want to issue one of two versions of an instruction based on whether diff --git a/generic/tclEnsemble.c b/generic/tclEnsemble.c index e81fa1b..b3a802a 100644 --- a/generic/tclEnsemble.c +++ b/generic/tclEnsemble.c @@ -33,9 +33,6 @@ static void MakeCachedEnsembleCommand(Tcl_Obj *objPtr, static void FreeEnsembleCmdRep(Tcl_Obj *objPtr); static void DupEnsembleCmdRep(Tcl_Obj *objPtr, Tcl_Obj *copyPtr); static void StringOfEnsembleCmdRep(Tcl_Obj *objPtr); -static int CompileToCompiledCommand(Tcl_Interp *interp, - Tcl_Parse *parsePtr, int depth, Command *cmdPtr, - CompileEnv *envPtr); static void CompileToInvokedCommand(Tcl_Interp *interp, Tcl_Parse *parsePtr, Tcl_Obj *replacements, Command *cmdPtr, CompileEnv *envPtr); @@ -86,16 +83,6 @@ const Tcl_ObjType tclEnsembleCmdType = { NULL /* setFromAnyProc */ }; -/* - * Copied from tclCompCmds.c - */ - -#define DefineLineInformation \ - ExtCmdLoc *mapPtr = envPtr->extCmdMapPtr; \ - int eclIndex = mapPtr->nuloc - 1 -#define SetLineInformation(word) \ - envPtr->line = mapPtr->loc[eclIndex].line[(word)]; \ - envPtr->clNext = mapPtr->loc[eclIndex].next[(word)] static inline Tcl_Obj * NewNsObj( @@ -1536,6 +1523,14 @@ TclMakeEnsemble( cmdName = nameParts[nameCount - 1]; } } + + /* + * Switch on compilation always for core ensembles now that we can do + * nice bytecode things with them. Do it now. Waiting until later will + * just cause pointless epoch bumps. + */ + + ensembleFlags |= ENSEMBLE_COMPILE; ensemble = Tcl_CreateEnsemble(interp, cmdName, ns, ensembleFlags); /* @@ -1587,14 +1582,6 @@ TclMakeEnsemble( } } Tcl_SetEnsembleMappingDict(interp, ensemble, mapDict); - - /* - * Switch on compilation always for core ensembles now that we can do - * nice bytecode things with them. - */ - - Tcl_SetEnsembleFlags(interp, ensemble, - ensembleFlags | ENSEMBLE_COMPILE); } Tcl_DStringFree(&buf); @@ -3003,8 +2990,8 @@ TclCompileEnsemble( */ invokeAnyway = 1; - if (CompileToCompiledCommand(interp, parsePtr, depth, cmdPtr, - envPtr) == TCL_OK) { + if (TCL_OK == TclAttemptCompileProc(interp, parsePtr, depth, cmdPtr, + envPtr)) { ourResult = TCL_OK; goto cleanup; } @@ -3038,95 +3025,88 @@ TclCompileEnsemble( return ourResult; } -/* - * How to compile a subcommand using its own command compiler. To do that, we - * have to perform some trickery to rewrite the arguments, as compilers *must* - * have parse tokens that refer to addresses in the original script. - */ - -static int -CompileToCompiledCommand( +int +TclAttemptCompileProc( Tcl_Interp *interp, Tcl_Parse *parsePtr, int depth, Command *cmdPtr, CompileEnv *envPtr) /* Holds resulting instructions. */ { - Tcl_Parse synthetic; - Tcl_Token *tokenPtr; int result, i; - int savedNumCmds = envPtr->numCommands; + Tcl_Token *saveTokenPtr = parsePtr->tokenPtr; int savedStackDepth = envPtr->currStackDepth; unsigned savedCodeNext = envPtr->codeNext - envPtr->codeStart; + DefineLineInformation; if (cmdPtr->compileProc == NULL) { return TCL_ERROR; } - TclParseInit(interp, NULL, 0, &synthetic); - synthetic.numWords = parsePtr->numWords - depth + 1; - TclGrowParseTokenArray(&synthetic, 2); - synthetic.numTokens = 2; - /* - * Now we have the space to work in, install something rewritten. The - * first word will "officially" be the bytes of the structured ensemble - * name. That's technically wrong, but nobody will care; we just need - * *something* here... + * Advance parsePtr->tokenPtr so that it points at the last subcommand. + * This will be wrong, but it will not matter, and it will put the + * tokens for the arguments in the right place without the needed to + * allocate a synthetic Tcl_Parse struct, or copy tokens around. */ - synthetic.tokenPtr[0].type = TCL_TOKEN_SIMPLE_WORD; - synthetic.tokenPtr[0].start = parsePtr->tokenPtr[0].start; - synthetic.tokenPtr[0].numComponents = 1; - synthetic.tokenPtr[1].type = TCL_TOKEN_TEXT; - synthetic.tokenPtr[1].start = parsePtr->tokenPtr[0].start; - synthetic.tokenPtr[1].numComponents = 0; - for (i=0,tokenPtr=parsePtr->tokenPtr ; i<depth ; i++) { - int sclen = (tokenPtr->start - synthetic.tokenPtr[0].start) - + tokenPtr->size; - - synthetic.tokenPtr[0].size = sclen; - synthetic.tokenPtr[1].size = sclen; - tokenPtr = TokenAfter(tokenPtr); + for (i = 0; i < depth - 1; i++) { + parsePtr->tokenPtr = TokenAfter(parsePtr->tokenPtr); } + parsePtr->numWords -= (depth - 1); /* - * Copy over the real argument tokens. + * Shift the line information arrays to account for different word + * index values. */ - for (i=1; i<synthetic.numWords; i++) { - int toCopy; - - toCopy = tokenPtr->numComponents + 1; - TclGrowParseTokenArray(&synthetic, toCopy); - memcpy(synthetic.tokenPtr + synthetic.numTokens, tokenPtr, - sizeof(Tcl_Token) * toCopy); - synthetic.numTokens += toCopy; - tokenPtr = TokenAfter(tokenPtr); - } + mapPtr->loc[eclIndex].line += (depth - 1); + mapPtr->loc[eclIndex].next += (depth - 1); /* * Hand off compilation to the subcommand compiler. At last! */ - result = cmdPtr->compileProc(interp, &synthetic, cmdPtr, envPtr); + result = cmdPtr->compileProc(interp, parsePtr, cmdPtr, envPtr); /* - * If our target fails to compile, revert the number of commands and the - * pointer to the place to issue the next instruction. [Bug 3600328] + * Undo the shift. + */ + + mapPtr->loc[eclIndex].line -= (depth - 1); + mapPtr->loc[eclIndex].next -= (depth - 1); + + parsePtr->numWords += (depth - 1); + parsePtr->tokenPtr = saveTokenPtr; + + /* + * If our target failed to compile, revert any data from failed partial + * compiles. Note that envPtr->numCommands need not be checked because + * we avoid compiling subcommands that recursively call TclCompileScript(). */ if (result != TCL_OK) { - envPtr->numCommands = savedNumCmds; envPtr->currStackDepth = savedStackDepth; envPtr->codeNext = envPtr->codeStart + savedCodeNext; - } +#ifdef TCL_COMPILE_DEBUG + } else { + /* + * Confirm that the command compiler generated a single value on + * the stack as its result. This is only done in debugging mode, + * as it *should* be correct and normal users have no reasonable + * way to fix it anyway. + */ - /* - * Clean up if necessary. - */ + int diff = envPtr->currStackDepth - savedStackDepth; + + if (diff != 1) { + Tcl_Panic("bad stack adjustment when compiling" + " %.*s (was %d instead of 1)", parsePtr->tokenPtr->size, + parsePtr->tokenPtr->start, diff); + } +#endif + } - Tcl_FreeParse(&synthetic); return result; } @@ -3156,11 +3136,16 @@ CompileToInvokedCommand( */ Tcl_ListObjGetElements(NULL, replacements, &numWords, &words); - for (i=0,tokPtr=parsePtr->tokenPtr ; i<parsePtr->numWords ; i++) { + for (i = 0, tokPtr = parsePtr->tokenPtr; i < parsePtr->numWords; + i++, tokPtr = TokenAfter(tokPtr)) { if (i > 0 && i < numWords+1) { bytes = Tcl_GetStringFromObj(words[i-1], &length); PushLiteral(envPtr, bytes, length); - } else if (tokPtr->type == TCL_TOKEN_SIMPLE_WORD) { + continue; + } + + SetLineInformation(i); + if (tokPtr->type == TCL_TOKEN_SIMPLE_WORD) { int literal = TclRegisterNewLiteral(envPtr, tokPtr[1].start, tokPtr[1].size); @@ -3168,16 +3153,12 @@ CompileToInvokedCommand( TclContinuationsEnterDerived( TclFetchLiteral(envPtr, literal), tokPtr[1].start - envPtr->source, - mapPtr->loc[eclIndex].next[i]); + envPtr->clNext); } TclEmitPush(literal, envPtr); } else { - if (envPtr->clNext) { - SetLineInformation(i); - } CompileTokens(envPtr, tokPtr, interp); } - tokPtr = TokenAfter(tokPtr); } /* @@ -3223,51 +3204,13 @@ CompileBasicNArgCommand( * compiled. */ CompileEnv *envPtr) /* Holds resulting instructions. */ { - Tcl_Token *tokenPtr; - Tcl_Obj *objPtr; - char *bytes; - int length, i, literal; - DefineLineInformation; - - /* - * Push the name of the command we're actually dispatching to as part of - * the implementation. - */ + Tcl_Obj *objPtr = Tcl_NewObj(); - objPtr = Tcl_NewObj(); + Tcl_IncrRefCount(objPtr); Tcl_GetCommandFullName(interp, (Tcl_Command) cmdPtr, objPtr); - bytes = Tcl_GetStringFromObj(objPtr, &length); - literal = TclRegisterNewCmdLiteral(envPtr, bytes, length); - TclSetCmdNameObj(interp, TclFetchLiteral(envPtr, literal), cmdPtr); - TclEmitPush(literal, envPtr); - TclDecrRefCount(objPtr); - - /* - * Push the words of the command. - */ - - tokenPtr = TokenAfter(parsePtr->tokenPtr); - for (i=1 ; i<parsePtr->numWords ; i++) { - if (envPtr->clNext) { - SetLineInformation(i); - } - if (tokenPtr->type == TCL_TOKEN_SIMPLE_WORD) { - PushLiteral(envPtr, tokenPtr[1].start, tokenPtr[1].size); - } else { - CompileTokens(envPtr, tokenPtr, interp); - } - tokenPtr = TokenAfter(tokenPtr); - } - - /* - * Do the standard dispatch. - */ - - if (i <= 255) { - TclEmitInstInt1(INST_INVOKE_STK1, i, envPtr); - } else { - TclEmitInstInt4(INST_INVOKE_STK4, i, envPtr); - } + TclCompileInvocation(interp, parsePtr->tokenPtr, objPtr, + parsePtr->numWords, envPtr); + Tcl_DecrRefCount(objPtr); return TCL_OK; } diff --git a/generic/tclExecute.c b/generic/tclExecute.c index d3a0d32..f8ed667 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -721,7 +721,7 @@ static ExceptionRange * GetExceptRangeForPc(const unsigned char *pc, int catchOnly, ByteCode *codePtr); static const char * GetSrcInfoForPc(const unsigned char *pc, ByteCode *codePtr, int *lengthPtr, - const unsigned char **pcBeg); + const unsigned char **pcBeg, int *cmdIdxPtr); static Tcl_Obj ** GrowEvaluationStack(ExecEnv *eePtr, int growth, int move); static void IllegalExprOperandType(Tcl_Interp *interp, @@ -1426,17 +1426,12 @@ Tcl_NRExprObj( Tcl_Obj *resultPtr) { ByteCode *codePtr; + Tcl_InterpState state = Tcl_SaveInterpState(interp, TCL_OK); - /* TODO: consider saving whole state? */ - Tcl_Obj *saveObjPtr = Tcl_GetObjResult(interp); - - Tcl_IncrRefCount(saveObjPtr); - + Tcl_ResetResult(interp); codePtr = CompileExprObj(interp, objPtr); - /* TODO: Confirm reset not required? */ - /*Tcl_ResetResult(interp);*/ - Tcl_NRAddCallback(interp, ExprObjCallback, saveObjPtr, resultPtr, + Tcl_NRAddCallback(interp, ExprObjCallback, state, resultPtr, NULL, NULL); return TclNRExecuteByteCode(interp, codePtr); } @@ -1447,14 +1442,15 @@ ExprObjCallback( Tcl_Interp *interp, int result) { - Tcl_Obj *saveObjPtr = data[0]; + Tcl_InterpState state = data[0]; Tcl_Obj *resultPtr = data[1]; if (result == TCL_OK) { TclSetDuplicateObj(resultPtr, Tcl_GetObjResult(interp)); - Tcl_SetObjResult(interp, saveObjPtr); + (void) Tcl_RestoreInterpState(interp, state); + } else { + Tcl_DiscardInterpState(state); } - TclDecrRefCount(saveObjPtr); return result; } @@ -2435,8 +2431,11 @@ TEBCresume( iPtr->cmdFramePtr = bcFramePtr; if (iPtr->flags & INTERP_DEBUG_FRAME) { - TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, - codePtr, bcFramePtr, pc - codePtr->codeStart); + int cmd; + if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) { + TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, + codePtr, bcFramePtr, cmd, pc - codePtr->codeStart); + } } pc++; @@ -2889,8 +2888,11 @@ TEBCresume( iPtr->cmdFramePtr = bcFramePtr; if (iPtr->flags & INTERP_DEBUG_FRAME) { - TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, - codePtr, bcFramePtr, pc - codePtr->codeStart); + int cmd; + if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) { + TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, + codePtr, bcFramePtr, cmd, pc - codePtr->codeStart); + } } DECACHE_STACK_INFO(); @@ -3035,8 +3037,11 @@ TEBCresume( bcFramePtr->data.tebc.pc = (char *) pc; iPtr->cmdFramePtr = bcFramePtr; if (iPtr->flags & INTERP_DEBUG_FRAME) { - TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, - codePtr, bcFramePtr, pc - codePtr->codeStart); + int cmd; + if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) { + TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, + codePtr, bcFramePtr, cmd, pc - codePtr->codeStart); + } } iPtr->ensembleRewrite.sourceObjs = objv; iPtr->ensembleRewrite.numRemovedObjs = opnd; @@ -6971,7 +6976,7 @@ TEBCresume( if ((result == TCL_ERROR) && !(iPtr->flags & ERR_ALREADY_LOGGED)) { const unsigned char *pcBeg; - bytes = GetSrcInfoForPc(pc, codePtr, &length, &pcBeg); + bytes = GetSrcInfoForPc(pc, codePtr, &length, &pcBeg, NULL); DECACHE_STACK_INFO(); TclLogCommandInfo(interp, codePtr->source, bytes, bytes ? length : 0, pcBeg, tosPtr); @@ -7153,7 +7158,7 @@ TEBCresume( } codePtr->flags |= TCL_BYTECODE_RECOMPILE; - bytes = GetSrcInfoForPc(pc, codePtr, &length, NULL); + bytes = GetSrcInfoForPc(pc, codePtr, &length, NULL, NULL); opnd = TclGetUInt4AtPtr(pc+1); pc += (opnd-1); PUSH_OBJECT(Tcl_NewStringObj(bytes, length)); @@ -8646,7 +8651,7 @@ ValidatePcAndStackTop( if (checkStack && ((stackTop < 0) || (stackTop > stackUpperBound))) { int numChars; - const char *cmd = GetSrcInfoForPc(pc, codePtr, &numChars, NULL); + const char *cmd = GetSrcInfoForPc(pc, codePtr, &numChars, NULL, NULL); fprintf(stderr, "\nBad stack top %d at pc %u in TclNRExecuteByteCode (min 0, max %i)", stackTop, relativePc, stackUpperBound); @@ -8760,7 +8765,7 @@ TclGetSrcInfoForCmd( ByteCode *codePtr = (ByteCode *) cfPtr->data.tebc.codePtr; return GetSrcInfoForPc((unsigned char *) cfPtr->data.tebc.pc, - codePtr, lenPtr, NULL); + codePtr, lenPtr, NULL, NULL); } void @@ -8772,7 +8777,7 @@ TclGetSrcInfoForPc( if (cfPtr->cmd.str.cmd == NULL) { cfPtr->cmd.str.cmd = GetSrcInfoForPc( (unsigned char *) cfPtr->data.tebc.pc, codePtr, - &cfPtr->cmd.str.len, NULL); + &cfPtr->cmd.str.len, NULL, NULL); } if (cfPtr->cmd.str.cmd != NULL) { @@ -8832,9 +8837,12 @@ GetSrcInfoForPc( int *lengthPtr, /* If non-NULL, the location where the length * of the command's source should be stored. * If NULL, no length is stored. */ - const unsigned char **pcBeg)/* If non-NULL, the bytecode location + const unsigned char **pcBeg,/* If non-NULL, the bytecode location * where the current instruction starts. * If NULL; no pointer is stored. */ + int *cmdIdxPtr) /* If non-NULL, the location where the index + * of the command containing the pc should + * be stored. */ { register int pcOffset = (pc - codePtr->codeStart); int numCmds = codePtr->numCommands; @@ -8844,6 +8852,7 @@ GetSrcInfoForPc( int bestDist = INT_MAX; /* Distance of pc to best cmd's start pc. */ int bestSrcOffset = -1; /* Initialized to avoid compiler warning. */ int bestSrcLength = -1; /* Initialized to avoid compiler warning. */ + int bestCmdIdx = -1; if ((pcOffset < 0) || (pcOffset >= codePtr->numCodeBytes)) { if (pcBeg != NULL) *pcBeg = NULL; @@ -8911,6 +8920,7 @@ GetSrcInfoForPc( bestDist = dist; bestSrcOffset = srcOffset; bestSrcLength = srcLen; + bestCmdIdx = i; } } } @@ -8940,6 +8950,10 @@ GetSrcInfoForPc( *lengthPtr = bestSrcLength; } + if (cmdIdxPtr != NULL) { + *cmdIdxPtr = bestCmdIdx; + } + return (codePtr->source + bestSrcOffset); } diff --git a/generic/tclInt.h b/generic/tclInt.h index ce8ef8f..906c2ce 100644 --- a/generic/tclInt.h +++ b/generic/tclInt.h @@ -2828,7 +2828,7 @@ MODULE_SCOPE void TclArgumentRelease(Tcl_Interp *interp, Tcl_Obj *objv[], int objc); MODULE_SCOPE void TclArgumentBCEnter(Tcl_Interp *interp, Tcl_Obj *objv[], int objc, - void *codePtr, CmdFrame *cfPtr, int pc); + void *codePtr, CmdFrame *cfPtr, int cmd, int pc); MODULE_SCOPE void TclArgumentBCRelease(Tcl_Interp *interp, CmdFrame *cfPtr); MODULE_SCOPE void TclArgumentGet(Tcl_Interp *interp, Tcl_Obj *obj, diff --git a/generic/tclParse.c b/generic/tclParse.c index 08615a7..6723d39 100644 --- a/generic/tclParse.c +++ b/generic/tclParse.c @@ -1567,6 +1567,7 @@ Tcl_ParseVar( code = TclSubstTokens(interp, parsePtr->tokenPtr, parsePtr->numTokens, NULL, 1, NULL, NULL); + Tcl_FreeParse(parsePtr); TclStackFree(interp, parsePtr); if (code != TCL_OK) { return NULL; diff --git a/generic/tclUtf.c b/generic/tclUtf.c index 0af2c25..a349846 100644 --- a/generic/tclUtf.c +++ b/generic/tclUtf.c @@ -1555,7 +1555,7 @@ Tcl_UniCharIsSpace( */ if (((Tcl_UniChar) ch) < ((Tcl_UniChar) 0x80)) { - return TclIsSpaceProc(ch); + return TclIsSpaceProc((char) ch); } else if ((Tcl_UniChar) ch == 0x0085 || (Tcl_UniChar) ch == 0x180e || (Tcl_UniChar) ch == 0x200b || (Tcl_UniChar) ch == 0x2060 || (Tcl_UniChar) ch == 0xfeff) { diff --git a/tests/assemble.test b/tests/assemble.test index 7d4e5d1..b0487e6 100644 --- a/tests/assemble.test +++ b/tests/assemble.test @@ -175,8 +175,7 @@ test assemble-4.1 {syntax error} { -match glob -result {1 {extra characters after close-brace} {extra characters after close-brace while executing -"{}extra - " +"{}e" ("assemble" body, line 2)*}} } test assemble-4.2 {null command} { diff --git a/tests/info.test b/tests/info.test index ebc853a..3057dd2 100644 --- a/tests/info.test +++ b/tests/info.test @@ -1962,6 +1962,440 @@ test info-9.13 {info level option, value in global context} -body { } -returnCodes error -result {bad level "2"} # ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + catch {*}{ + {info frame 0} + res + } + return $res +} +test info-33.4 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 1968 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + dict for {a b} {c d} {*}{ + {set res [info frame 0]} + } + return $res +} +test info-33.5 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 1983 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + set d {a b} + dict update d x y {*}{ + {set res [info frame 0]} + } + return $res +} +test info-33.6 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 1998 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + set d {} + dict with d {*}{ + {set res [info frame 0]} + } + return $res +} +test info-33.7 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2013 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + for {*}{ + {set res [info frame 0]} + {1} {} {break} + } + return $res +} +test info-33.8 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2027 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + for {*}{ + {} {1} {} + {set res [info frame 0]; break} + } + return $res +} +test info-33.9 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2043 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + for {*}{ + {} {1} + {return [info frame 0]} + {} + } +} +test info-33.10 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2058 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + for {*}{ + {} + {[return [info frame 0]]} + {} {} + } +} +test info-33.11 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2073 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + foreach {*}{ + x + } [return [info frame 0]] {} +} +test info-33.12 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2088 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + foreach {*}{ + x y + {set res [info frame 0]} + } + return $res +} +test info-33.13 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2101 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + if {*}{ + {[return [info frame 0]]} + {} + } +} +test info-33.14 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2115 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + if 0 {*}{ + {} else + {return [info frame 0]} + } +} +test info-33.15 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2130 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + incr {*}{ + x + } [return [info frame 0]] +} +test info-33.16 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2144 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + info level {*}{ + } [return [info frame 0]] +} +test info-33.17 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2156 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + string match {*}{ + } [return [info frame 0]] {} +} +test info-33.18 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2168 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + string match {*}{ + {} + } [return [info frame 0]] +} +test info-33.19 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2181 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + string length {*}{ + } [return [info frame 0]] +} +test info-33.20 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2193 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + while {*}{ + {[return [info frame 0]]} + } {} +} +test info-33.21 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2205 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + switch -- {*}{ + } [return [info frame 0]] {*}{ + } x y +} +test info-33.22 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2218 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + try {*}{ + {set res [info frame 0]} + } + return $res +} +test info-33.23 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2231 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + try {*}{ + {set res [info frame 0]} + } finally {} + return $res +} +test info-33.24 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2245 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + try {*}{ + {set res [info frame 0]} + } on ok {} {} + return $res +} +test info-33.25 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2259 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + try {*}{ + {set res [info frame 0]} + } on ok {} {} finally {} + return $res +} +test info-33.26 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2273 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + while 1 {*}{ + {return [info frame 0]} + } +} +test info-33.27 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2287 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + try {} finally {*}{ + {return [info frame 0]} + } +} +test info-33.28 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2300 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + try {} on ok {} {} finally {*}{ + {return [info frame 0]} + } +} +test info-33.29 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2313 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + try {} on ok {} {*}{ + {return [info frame 0]} + } +} +test info-33.30 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2326 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + try {} on ok {} {*}{ + {return [info frame 0]} + } finally {} +} +test info-33.31 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2339 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + binary format {*}{ + } [return [info frame 0]] +} +test info-33.32 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2352 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + set format format + binary $format {*}{ + } [return [info frame 0]] +} +test info-33.33 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2365 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + append x {*}{ + } [return [info frame 0]] +} +test info-33.34 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2377 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- +namespace eval foo {} +proc foo::bar {} { + append {*}{ + } x([return [info frame 0]]) {*}{ + } a +} +test info-33.35 {{*}, literal, simple, bytecompiled} -body { + reduce [foo::bar] +} -cleanup { + namespace delete foo +} -result {type source line 2389 file info.test cmd {info frame 0} proc ::foo::bar level 0} + +# ------------------------------------------------------------------------- unset -nocomplain res # cleanup diff --git a/tests/misc.test b/tests/misc.test index 6ddc718..d4ece74 100644 --- a/tests/misc.test +++ b/tests/misc.test @@ -59,12 +59,7 @@ test misc-1.2 {error in variable ref. in command in array reference} { missing close-brace for variable name missing close-brace for variable name while executing -"set tst $a([winfo name $\{zz) - # this is a bogus comment - # this is a bogus comment - # this is a bogus comment - # this is a bogus comment - # this is a ..." +"set tst $a([winfo name $\{" (procedure "tstProc" line 4) invoked from within "tstProc"}] diff --git a/tests/parse.test b/tests/parse.test index b9cfe80..9f2d50b 100644 --- a/tests/parse.test +++ b/tests/parse.test @@ -27,6 +27,7 @@ testConstraint testparsevar [llength [info commands testparsevar]] testConstraint testasync [llength [info commands testasync]] testConstraint testcmdtrace [llength [info commands testcmdtrace]] testConstraint testevent [llength [info commands testevent]] +testConstraint memory [llength [info commands memory]] test parse-1.1 {Tcl_ParseCommand procedure, computing string length} testparser { testparser [bytestring "foo\0 bar"] -1 @@ -678,6 +679,26 @@ test parse-13.5 {Tcl_ParseVar procedure, error looking up variable} testparsevar unset -nocomplain abc list [catch {testparsevar {$abc([bogus x y z])}} msg] $msg } {1 {invalid command name "bogus"}} +test parse-13.6 {Tcl_ParseVar memory leak} -constraints memory -setup { + proc getbytes {} { + return [lindex [split [memory info] \n] 3 3] + } +} -body { + set a() foo + set end [getbytes] + for {set i 0} {$i < 5} {incr i} { + set vn {} + set res [testparsevar [append vn $ a([string repeat {[]} 19]) bar]] + if {$res ne {foo bar}} {error "Unexpected result: $res"} + + set tmp $end + set end [getbytes] + } + expr {$end - $tmp} +} -cleanup { + unset -nocomplain a end i vn res tmp + rename getbytes {} +} -result 0 test parse-14.1 {Tcl_ParseBraces procedure, computing string length} testparser { testparser [bytestring "foo\0 bar"] -1 diff --git a/tests/regexp.test b/tests/regexp.test index 1c30001..1b2bec9 100644 --- a/tests/regexp.test +++ b/tests/regexp.test @@ -876,6 +876,10 @@ test regexp-22.5 {Bug 3610026} -setup { } -cleanup { unset -nocomplain e cp } -returnCodes error -match glob -result {*too many colors*} +test regexp-22.6 {Bug 6585b21ca8} { + expr {[regexp {(\w).*?\1} Programmer m] ? $m : "<NONE>"} +} rogr + test regexp-23.1 {regexp -all and -line} { set string "" diff --git a/unix/Makefile.in b/unix/Makefile.in index f0a729f..163f4b5 100644 --- a/unix/Makefile.in +++ b/unix/Makefile.in @@ -335,7 +335,10 @@ TOMMATH_OBJS = bncore.o bn_reverse.o bn_fast_s_mp_mul_digs.o \ bn_mp_unsigned_bin_size.o bn_mp_xor.o bn_mp_zero.o bn_s_mp_add.o \ bn_s_mp_mul_digs.o bn_s_mp_sqr.o bn_s_mp_sub.o -STUB_LIB_OBJS = tclStubLib.o tclTomMathStubLib.o tclOOStubLib.o ${COMPAT_OBJS} +STUB_LIB_OBJS = tclStubLib.o \ + tclTomMathStubLib.o \ + tclOOStubLib.o \ + ${COMPAT_OBJS} UNIX_OBJS = tclUnixChan.o tclUnixEvent.o tclUnixFCmd.o \ tclUnixFile.o tclUnixPipe.o tclUnixSock.o \ @@ -1683,7 +1686,7 @@ Zzutil.o: $(ZLIB_DIR)/zutil.c #-------------------------------------------------------------------------- tclStubLib.o: $(GENERIC_DIR)/tclStubLib.c - $(CC) -c $(STUB_CC_SWITCHES) $(GENERIC_DIR)/tclStubLib.c + $(CC) -c $(STUB_CC_SWITCHES) -DSTATIC_BUILD $(GENERIC_DIR)/tclStubLib.c tclTomMathStubLib.o: $(GENERIC_DIR)/tclTomMathStubLib.c $(CC) -c $(STUB_CC_SWITCHES) $(GENERIC_DIR)/tclTomMathStubLib.c diff --git a/unix/configure b/unix/configure index f219255..eac1b53 100755 --- a/unix/configure +++ b/unix/configure @@ -4821,7 +4821,8 @@ echo "$as_me: WARNING: Don't know how to find pthread lib on your system - you m # Does the pthread-implementation provide # 'pthread_attr_setstacksize' ? -for ac_func in pthread_attr_setstacksize + +for ac_func in pthread_attr_setstacksize pthread_atfork do as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` echo "$as_me:$LINENO: checking for $ac_func" >&5 @@ -7068,7 +7069,8 @@ fi SHLIB_CFLAGS="" SHLIB_LD='${CC} -shared' SHLIB_SUFFIX=".dll" - DL_OBJS="tclLoadDl.o tclWinError.o" + DL_OBJS="tclLoadDl.o" + PLAT_OBJS="tclWinError.o" DL_LIBS="-ldl" CC_SEARCH_FLAGS="" LD_SEARCH_FLAGS="" @@ -17948,108 +17950,6 @@ _ACEOF fi done - -for ac_func in pthread_atfork -do -as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` -echo "$as_me:$LINENO: checking for $ac_func" >&5 -echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 -if eval "test \"\${$as_ac_var+set}\" = set"; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. - For example, HP-UX 11i <limits.h> declares gettimeofday. */ -#define $ac_func innocuous_$ac_func - -/* System header to define __stub macros and hopefully few prototypes, - which can conflict with char $ac_func (); below. - Prefer <limits.h> to <assert.h> if __STDC__ is defined, since - <limits.h> exists even on freestanding compilers. */ - -#ifdef __STDC__ -# include <limits.h> -#else -# include <assert.h> -#endif - -#undef $ac_func - -/* Override any gcc2 internal prototype to avoid an error. */ -#ifdef __cplusplus -extern "C" -{ -#endif -/* We use char because int might match the return type of a gcc2 - builtin and then its argument prototype would still apply. */ -char $ac_func (); -/* The GNU C library defines this for functions which it implements - to always fail with ENOSYS. Some functions are actually named - something starting with __ and the normal name is an alias. */ -#if defined (__stub_$ac_func) || defined (__stub___$ac_func) -choke me -#else -char (*f) () = $ac_func; -#endif -#ifdef __cplusplus -} -#endif - -int -main () -{ -return f != $ac_func; - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 - (eval $ac_link) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; } && - { ac_try='test -s conftest$ac_exeext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - eval "$as_ac_var=yes" -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -eval "$as_ac_var=no" -fi -rm -f conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext -fi -echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 -echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 -if test `eval echo '${'$as_ac_var'}'` = yes; then - cat >>confdefs.h <<_ACEOF -#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 -_ACEOF - -fi -done - fi cat >>confdefs.h <<\_ACEOF diff --git a/unix/configure.in b/unix/configure.in index dca8b8c..1a9bb31 100644 --- a/unix/configure.in +++ b/unix/configure.in @@ -576,7 +576,6 @@ if test "`uname -s`" = "Darwin" ; then if test $tcl_corefoundation = yes; then AC_CHECK_HEADERS(libkern/OSAtomic.h) AC_CHECK_FUNCS(OSSpinLockLock) - AC_CHECK_FUNCS(pthread_atfork) fi AC_DEFINE(USE_VFORK, 1, [Should we use vfork() instead of fork()?]) AC_DEFINE(TCL_DEFAULT_ENCODING, "utf-8", diff --git a/unix/tcl.m4 b/unix/tcl.m4 index b9b6532..dc5c16a 100644 --- a/unix/tcl.m4 +++ b/unix/tcl.m4 @@ -676,7 +676,7 @@ AC_DEFUN([SC_ENABLE_THREADS], [ # Does the pthread-implementation provide # 'pthread_attr_setstacksize' ? - AC_CHECK_FUNCS(pthread_attr_setstacksize) + AC_CHECK_FUNCS(pthread_attr_setstacksize pthread_atfork) else TCL_THREADS=0 fi @@ -1224,7 +1224,8 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ SHLIB_CFLAGS="" SHLIB_LD='${CC} -shared' SHLIB_SUFFIX=".dll" - DL_OBJS="tclLoadDl.o tclWinError.o" + DL_OBJS="tclLoadDl.o" + PLAT_OBJS="tclWinError.o" DL_LIBS="-ldl" CC_SEARCH_FLAGS="" LD_SEARCH_FLAGS="" diff --git a/unix/tclUnixTest.c b/unix/tclUnixTest.c index c10225d..f64a29e 100644 --- a/unix/tclUnixTest.c +++ b/unix/tclUnixTest.c @@ -67,6 +67,7 @@ static Tcl_CmdProc TestchmodCmd; static Tcl_CmdProc TestfilehandlerCmd; static Tcl_CmdProc TestfilewaitCmd; static Tcl_CmdProc TestfindexecutableCmd; +static Tcl_ObjCmdProc TestforkObjCmd; static Tcl_CmdProc TestgetdefencdirCmd; static Tcl_CmdProc TestgetopenfileCmd; static Tcl_CmdProc TestgotsigCmd; @@ -103,6 +104,8 @@ TclplatformtestInit( NULL, NULL); Tcl_CreateCommand(interp, "testfindexecutable", TestfindexecutableCmd, NULL, NULL); + Tcl_CreateObjCommand(interp, "testfork", TestforkObjCmd, + NULL, NULL); Tcl_CreateCommand(interp, "testgetopenfile", TestgetopenfileCmd, NULL, NULL); Tcl_CreateCommand(interp, "testgetdefenc", TestgetdefencdirCmd, @@ -526,6 +529,52 @@ TestsetdefencdirCmd( Tcl_SetDefaultEncodingDir(argv[1]); return TCL_OK; } + +/* + *---------------------------------------------------------------------- + * + * TestforkObjCmd -- + * + * This function implements the "testfork" command. It is used to + * fork the Tcl process for specific test cases. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +TestforkObjCmd( + ClientData clientData, /* Not used. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const *objv) /* Argument strings. */ +{ + pid_t pid; + + if (objc != 1) { + Tcl_WrongNumArgs(interp, 1, objv, ""); + return TCL_ERROR; + } + pid = fork(); + if (pid == -1) { + Tcl_AppendResult(interp, + "Cannot fork", NULL); + return TCL_ERROR; + } +#ifndef HAVE_PTHREAD_ATFORK + /* Only needed when pthread_atfork is not present. */ + if (pid==0) { + Tcl_InitNotifier(); + } +#endif + Tcl_SetObjResult(interp, Tcl_NewIntObj(pid)); + return TCL_OK; +} /* *---------------------------------------------------------------------- |