diff options
author | dkf <donal.k.fellows@manchester.ac.uk> | 2014-02-02 14:43:48 (GMT) |
---|---|---|
committer | dkf <donal.k.fellows@manchester.ac.uk> | 2014-02-02 14:43:48 (GMT) |
commit | 89b7e244580eb2f40d062a73485bff16682d8027 (patch) | |
tree | fc5cf587462875a6acc982a5766096613af20bcc /generic/tclCompCmdsSZ.c | |
parent | 6e072443704a589149fea001df51f9870b78c323 (diff) | |
parent | 347264f196f57e2f4433f33dbaa6c8e2e4a2c83d (diff) | |
download | tcl-89b7e244580eb2f40d062a73485bff16682d8027.zip tcl-89b7e244580eb2f40d062a73485bff16682d8027.tar.gz tcl-89b7e244580eb2f40d062a73485bff16682d8027.tar.bz2 |
compilation of [string is]dkf_bytecode_8_6
Diffstat (limited to 'generic/tclCompCmdsSZ.c')
-rw-r--r-- | generic/tclCompCmdsSZ.c | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/generic/tclCompCmdsSZ.c b/generic/tclCompCmdsSZ.c index 5c132b4..639b4a5 100644 --- a/generic/tclCompCmdsSZ.c +++ b/generic/tclCompCmdsSZ.c @@ -425,6 +425,284 @@ TclCompileStringIndexCmd( } int +TclCompileStringIsCmd( + Tcl_Interp *interp, /* Used for error reporting. */ + Tcl_Parse *parsePtr, /* Points to a parse structure for the command + * created by Tcl_ParseCommand. */ + Command *cmdPtr, /* Points to defintion of command being + * compiled. */ + CompileEnv *envPtr) /* Holds resulting instructions. */ +{ + DefineLineInformation; /* TIP #280 */ + Tcl_Token *tokenPtr = TokenAfter(parsePtr->tokenPtr); + static const char *const isClasses[] = { + "alnum", "alpha", "ascii", "control", + "boolean", "digit", "double", "entier", + "false", "graph", "integer", "list", + "lower", "print", "punct", "space", + "true", "upper", "wideinteger", "wordchar", + "xdigit", NULL + }; + enum isClasses { + STR_IS_ALNUM, STR_IS_ALPHA, STR_IS_ASCII, STR_IS_CONTROL, + STR_IS_BOOL, STR_IS_DIGIT, STR_IS_DOUBLE, STR_IS_ENTIER, + STR_IS_FALSE, STR_IS_GRAPH, STR_IS_INT, STR_IS_LIST, + STR_IS_LOWER, STR_IS_PRINT, STR_IS_PUNCT, STR_IS_SPACE, + STR_IS_TRUE, STR_IS_UPPER, STR_IS_WIDE, STR_IS_WORD, + STR_IS_XDIGIT + }; + int t, range, allowEmpty = 0, end; + InstStringClassType strClassType; + Tcl_Obj *isClass; + + if (parsePtr->numWords < 3 || parsePtr->numWords > 6) { + return TCL_ERROR; + } + isClass = Tcl_NewObj(); + if (!TclWordKnownAtCompileTime(tokenPtr, isClass)) { + Tcl_DecrRefCount(isClass); + return TCL_ERROR; + } else if (Tcl_GetIndexFromObj(interp, isClass, isClasses, "class", 0, + &t) != TCL_OK) { + Tcl_DecrRefCount(isClass); + TclCompileSyntaxError(interp, envPtr); + return TCL_OK; + } + Tcl_DecrRefCount(isClass); + +#define GotLiteral(tokenPtr, word) \ + ((tokenPtr)->type == TCL_TOKEN_SIMPLE_WORD && \ + (tokenPtr)[1].size > 1 && \ + (tokenPtr)[1].start[0] == word[0] && \ + strncmp((tokenPtr)[1].start, (word), (tokenPtr)[1].size) == 0) + + /* + * Cannot handle the -failindex option at all, and that's the only legal + * way to have more than 4 arguments. + */ + + if (parsePtr->numWords != 3 && parsePtr->numWords != 4) { + return TCL_ERROR; + } + + tokenPtr = TokenAfter(tokenPtr); + if (parsePtr->numWords == 3) { + allowEmpty = 1; + } else { + if (!GotLiteral(tokenPtr, "-strict")) { + return TCL_ERROR; + } + tokenPtr = TokenAfter(tokenPtr); + } +#undef GotLiteral + + /* + * Compile the code. There are several main classes of check here. + * 1. Character classes + * 2. Booleans + * 3. Integers + * 4. Floats + * 5. Lists + */ + + CompileWord(envPtr, tokenPtr, interp, parsePtr->numWords-1); + + switch ((enum isClasses) t) { + case STR_IS_ALNUM: + strClassType = STR_CLASS_ALNUM; + goto compileStrClass; + case STR_IS_ALPHA: + strClassType = STR_CLASS_ALPHA; + goto compileStrClass; + case STR_IS_ASCII: + strClassType = STR_CLASS_ASCII; + goto compileStrClass; + case STR_IS_CONTROL: + strClassType = STR_CLASS_CONTROL; + goto compileStrClass; + case STR_IS_DIGIT: + strClassType = STR_CLASS_DIGIT; + goto compileStrClass; + case STR_IS_GRAPH: + strClassType = STR_CLASS_GRAPH; + goto compileStrClass; + case STR_IS_LOWER: + strClassType = STR_CLASS_LOWER; + goto compileStrClass; + case STR_IS_PRINT: + strClassType = STR_CLASS_PRINT; + goto compileStrClass; + case STR_IS_PUNCT: + strClassType = STR_CLASS_PUNCT; + goto compileStrClass; + case STR_IS_SPACE: + strClassType = STR_CLASS_SPACE; + goto compileStrClass; + case STR_IS_UPPER: + strClassType = STR_CLASS_UPPER; + goto compileStrClass; + case STR_IS_WORD: + strClassType = STR_CLASS_WORD; + goto compileStrClass; + case STR_IS_XDIGIT: + strClassType = STR_CLASS_XDIGIT; + compileStrClass: + if (allowEmpty) { + OP1( STR_CLASS, strClassType); + } else { + int over, over2; + + OP( DUP); + OP1( STR_CLASS, strClassType); + JUMP1( JUMP_TRUE, over); + OP( POP); + PUSH( "0"); + JUMP1( JUMP, over2); + FIXJUMP1(over); + PUSH( ""); + OP( STR_NEQ); + FIXJUMP1(over2); + } + return TCL_OK; + + case STR_IS_BOOL: + case STR_IS_FALSE: + case STR_IS_TRUE: + OP( TRY_CVT_TO_BOOLEAN); + switch (t) { + int over, over2; + + case STR_IS_BOOL: + if (allowEmpty) { + JUMP1( JUMP_TRUE, over); + PUSH( ""); + OP( STR_EQ); + JUMP1( JUMP, over2); + FIXJUMP1(over); + OP( POP); + PUSH( "1"); + FIXJUMP1(over2); + } else { + OP4( REVERSE, 2); + OP( POP); + } + return TCL_OK; + case STR_IS_TRUE: + JUMP1( JUMP_TRUE, over); + if (allowEmpty) { + PUSH( ""); + OP( STR_EQ); + } else { + OP( POP); + PUSH( "0"); + } + FIXJUMP1( over); + OP( LNOT); + OP( LNOT); + return TCL_OK; + case STR_IS_FALSE: + JUMP1( JUMP_TRUE, over); + if (allowEmpty) { + PUSH( ""); + OP( STR_NEQ); + } else { + OP( POP); + PUSH( "1"); + } + FIXJUMP1( over); + OP( LNOT); + return TCL_OK; + } + + case STR_IS_DOUBLE: { + int satisfied, isEmpty; + + if (allowEmpty) { + OP( DUP); + PUSH( ""); + OP( STR_EQ); + JUMP1( JUMP_TRUE, isEmpty); + OP( NUM_TYPE); + JUMP1( JUMP_TRUE, satisfied); + PUSH( "0"); + JUMP1( JUMP, end); + FIXJUMP1( isEmpty); + OP( POP); + FIXJUMP1( satisfied); + } else { + OP( NUM_TYPE); + JUMP1( JUMP_TRUE, satisfied); + PUSH( "0"); + JUMP1( JUMP, end); + TclAdjustStackDepth(-1, envPtr); + FIXJUMP1( satisfied); + } + PUSH( "1"); + FIXJUMP1( end); + return TCL_OK; + } + + case STR_IS_INT: + case STR_IS_WIDE: + case STR_IS_ENTIER: + if (allowEmpty) { + int testNumType; + + OP( DUP); + OP( NUM_TYPE); + OP( DUP); + JUMP1( JUMP_TRUE, testNumType); + OP( POP); + PUSH( ""); + OP( STR_EQ); + JUMP1( JUMP, end); + TclAdjustStackDepth(1, envPtr); + FIXJUMP1( testNumType); + OP4( REVERSE, 2); + OP( POP); + } else { + OP( NUM_TYPE); + OP( DUP); + JUMP1( JUMP_FALSE, end); + } + + switch (t) { + case STR_IS_INT: + PUSH( "1"); + OP( EQ); + break; + case STR_IS_WIDE: + PUSH( "2"); + OP( LE); + break; + case STR_IS_ENTIER: + PUSH( "3"); + OP( LE); + break; + } + FIXJUMP1( end); + return TCL_OK; + + case STR_IS_LIST: + range = TclCreateExceptRange(CATCH_EXCEPTION_RANGE, envPtr); + OP4( BEGIN_CATCH4, range); + ExceptionRangeStarts(envPtr, range); + OP( DUP); + OP( LIST_LENGTH); + OP( POP); + ExceptionRangeEnds(envPtr, range); + ExceptionRangeTarget(envPtr, range, catchOffset); + OP( POP); + OP( PUSH_RETURN_CODE); + OP( END_CATCH); + OP( LNOT); + return TCL_OK; + } + + return TclCompileBasicMin0ArgCmd(interp, parsePtr, cmdPtr, envPtr); +} + +int TclCompileStringMatchCmd( Tcl_Interp *interp, /* Used for error reporting. */ Tcl_Parse *parsePtr, /* Points to a parse structure for the command @@ -939,6 +1217,41 @@ TclCompileStringToTitleCmd( } /* + * Support definitions for the [string is] compilation. + */ + +static int +UniCharIsAscii( + int character) +{ + return (character >= 0) && (character < 0x80); +} + +static int +UniCharIsHexDigit( + int character) +{ + return (character >= 0) && (character < 0x80) && isxdigit(character); +} + +StringClassDesc const tclStringClassTable[] = { + {"alnum", Tcl_UniCharIsAlnum}, + {"alpha", Tcl_UniCharIsAlpha}, + {"ascii", UniCharIsAscii}, + {"control", Tcl_UniCharIsControl}, + {"digit", Tcl_UniCharIsDigit}, + {"graph", Tcl_UniCharIsGraph}, + {"lower", Tcl_UniCharIsLower}, + {"print", Tcl_UniCharIsPrint}, + {"punct", Tcl_UniCharIsPunct}, + {"space", Tcl_UniCharIsSpace}, + {"upper", Tcl_UniCharIsUpper}, + {"word", Tcl_UniCharIsWordChar}, + {"xdigit", UniCharIsHexDigit}, + {NULL, NULL} +}; + +/* *---------------------------------------------------------------------- * * TclCompileSubstCmd -- |