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authordgp <dgp@users.sourceforge.net>2006-06-20 13:22:59 (GMT)
committerdgp <dgp@users.sourceforge.net>2006-06-20 13:22:59 (GMT)
commitd263d78bf8e9801feff8316b711073694dab5045 (patch)
treefc8372efd559e2d5ee08f85fd567328da3db5ece /generic
parent6c03942183382abc669adf13e92e442d84854928 (diff)
downloadtcl-d263d78bf8e9801feff8316b711073694dab5045.zip
tcl-d263d78bf8e9801feff8316b711073694dab5045.tar.gz
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* generic/tclCmdAH.c: Removed dead code that was old implementation
of [format].
Diffstat (limited to 'generic')
-rw-r--r--generic/tclCmdAH.c485
1 files changed, 1 insertions, 484 deletions
diff --git a/generic/tclCmdAH.c b/generic/tclCmdAH.c
index 8f301f6..99525ef 100644
--- a/generic/tclCmdAH.c
+++ b/generic/tclCmdAH.c
@@ -10,14 +10,12 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclCmdAH.c,v 1.73 2006/03/23 14:24:57 dgp Exp $
+ * RCS: @(#) $Id: tclCmdAH.c,v 1.74 2006/06/20 13:22:59 dgp Exp $
*/
#include "tclInt.h"
#include <locale.h>
-#define NEW_FORMAT 1
-
/*
* Prototypes for local procedures defined in this file:
*/
@@ -1876,91 +1874,13 @@ Tcl_FormatObjCmd(dummy, interp, objc, objv)
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
-#ifndef NEW_FORMAT
- char *format; /* Used to read characters from the format
- * string. */
- int formatLen; /* The length of the format string */
- char *endPtr; /* Points to the last char in format array */
- char newFormat[43]; /* A new format specifier is generated here. */
- int width; /* Field width from field specifier, or 0 if
- * no width given. */
- int precision; /* Field precision from field specifier, or 0
- * if no precision given. */
- int size; /* Number of bytes needed for result of
- * conversion, based on type of conversion
- * ("e", "s", etc.), width, and precision. */
- long intValue; /* Used to hold value to pass to sprintf, if
- * it's a one-word integer or char value */
- char *ptrValue = NULL; /* Used to hold value to pass to sprintf, if
- * it's a one-word value. */
- double doubleValue; /* Used to hold value to pass to sprintf if
- * it's a double value. */
- Tcl_WideInt wideValue; /* Used to hold value to pass to sprintf if
- * it's a 'long long' value. */
- int whichValue; /* Indicates which of intValue, ptrValue, or
- * doubleValue has the value to pass to
- * sprintf, according to the following
- * definitions: */
-#define INT_VALUE 0
-#define CHAR_VALUE 1
-#define PTR_VALUE 2
-#define DOUBLE_VALUE 3
-#define STRING_VALUE 4
-#define WIDE_VALUE 5
-#define MAX_FLOAT_SIZE 320
-
-#endif
Tcl_Obj *resultPtr; /* Where result is stored finally. */
-#ifndef NEW_FORMAT
- char staticBuf[MAX_FLOAT_SIZE + 1];
- /* A static buffer to copy the format results
- * into */
- char *dst = staticBuf; /* The buffer that sprintf writes into each
- * time the format processes a specifier */
- int dstSize = MAX_FLOAT_SIZE;
- /* The size of the dst buffer */
- int noPercent; /* Special case for speed: indicates there's
- * no field specifier, just a string to
- * copy. */
- int objIndex; /* Index of argument to substitute next. */
- int gotXpg = 0; /* Non-zero means that an XPG3 %n$-style
- * specifier has been seen. */
- int gotSequential = 0; /* Non-zero means that a regular sequential
- * (non-XPG3) conversion specifier has been
- * seen. */
- int useShort; /* Value to be printed is short (half word). */
- char *end; /* Used to locate end of numerical fields. */
- int stringLen = 0; /* Length of string in characters rather than
- * bytes. Used for %s substitution. */
- int gotMinus; /* Non-zero indicates that a minus flag has
- * been seen in the current field. */
- int gotPrecision; /* Non-zero indicates that a precision has
- * been set for the current field. */
- int gotZero; /* Non-zero indicates that a zero flag has
- * been seen in the current field. */
- int useWide; /* Value to be printed is Tcl_WideInt. */
-
- /*
- * This procedure is a bit nasty. The goal is to use sprintf to do most of
- * the dirty work. There are several problems:
- * 1. this procedure can't trust its arguments.
- * 2. we must be able to provide a large enough result area to hold
- * whatever's generated. This is hard to estimate.
- * 3. there's no way to move the arguments from objv to the call to
- * sprintf in a reasonable way. This is particularly nasty because
- * some of the arguments may be two-word values (doubles and
- * wide-ints).
- * So, what happens here is to scan the format string one % group at a
- * time, making many individual calls to sprintf.
- */
-#endif
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "formatString ?arg arg ...?");
return TCL_ERROR;
}
-#ifdef NEW_FORMAT
resultPtr = Tcl_NewObj();
Tcl_IncrRefCount(resultPtr);
if (TclAppendFormattedObjs(interp, resultPtr, Tcl_GetString(objv[1]),
@@ -1971,409 +1891,6 @@ Tcl_FormatObjCmd(dummy, interp, objc, objv)
Tcl_SetObjResult(interp, resultPtr);
Tcl_DecrRefCount(resultPtr);
return TCL_OK;
-#else
- format = Tcl_GetStringFromObj(objv[1], &formatLen);
- endPtr = format + formatLen;
- resultPtr = Tcl_NewObj();
- objIndex = 2;
-
- while (format < endPtr) {
- register char *newPtr = newFormat;
-
- width = precision = noPercent = useShort = 0;
- gotZero = gotMinus = gotPrecision = 0;
- useWide = 0;
- whichValue = PTR_VALUE;
-
- /*
- * Get rid of any characters before the next field specifier.
- */
-
- if (*format != '%') {
- ptrValue = format;
- while ((*format != '%') && (format < endPtr)) {
- format++;
- }
- size = format - ptrValue;
- noPercent = 1;
- goto doField;
- }
-
- if (format[1] == '%') {
- ptrValue = format;
- size = 1;
- noPercent = 1;
- format += 2;
- goto doField;
- }
-
- /*
- * Parse off a field specifier, compute how many characters will be
- * needed to store the result, and substitute for "*" size specifiers.
- */
-
- *newPtr = '%';
- newPtr++;
- format++;
- if (isdigit(UCHAR(*format))) { /* INTL: Tcl source. */
- int tmp;
-
- /*
- * Check for an XPG3-style %n$ specification. Note: there must not
- * be a mixture of XPG3 specs and non-XPG3 specs in the same
- * format string.
- */
-
- tmp = strtoul(format, &end, 10); /* INTL: "C" locale. */
- if (*end != '$') {
- goto notXpg;
- }
- format = end+1;
- gotXpg = 1;
- if (gotSequential) {
- goto mixedXPG;
- }
- objIndex = tmp+1;
- if ((objIndex < 2) || (objIndex >= objc)) {
- goto badIndex;
- }
- goto xpgCheckDone;
- }
-
- notXpg:
- gotSequential = 1;
- if (gotXpg) {
- goto mixedXPG;
- }
-
- xpgCheckDone:
- while ((*format == '-') || (*format == '#') || (*format == '0')
- || (*format == ' ') || (*format == '+')) {
- if (*format == '-') {
- gotMinus = 1;
- }
- if (*format == '0') {
- /*
- * This will be handled by sprintf for numbers, but we need to
- * do the char/string ones ourselves.
- */
-
- gotZero = 1;
- }
- *newPtr = *format;
- newPtr++;
- format++;
- }
- if (isdigit(UCHAR(*format))) { /* INTL: Tcl source. */
- width = strtoul(format, &end, 10); /* INTL: Tcl source. */
- format = end;
- } else if (*format == '*') {
- if (objIndex >= objc) {
- goto badIndex;
- }
- if (Tcl_GetIntFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &width) != TCL_OK) {
- goto fmtError;
- }
- if (width < 0) {
- width = -width;
- *newPtr = '-';
- gotMinus = 1;
- newPtr++;
- }
- objIndex++;
- format++;
- }
- if (width > 100000) {
- /*
- * Don't allow arbitrarily large widths: could cause core dump
- * when we try to allocate a zillion bytes of memory below.
- */
-
- width = 100000;
- } else if (width < 0) {
- width = 0;
- }
- if (width != 0) {
- TclFormatInt(newPtr, width); /* INTL: printf format. */
- while (*newPtr != 0) {
- newPtr++;
- }
- }
- if (*format == '.') {
- *newPtr = '.';
- newPtr++;
- format++;
- gotPrecision = 1;
- }
- if (isdigit(UCHAR(*format))) { /* INTL: Tcl source. */
- precision = strtoul(format, &end, 10); /* INTL: "C" locale. */
- format = end;
- } else if (*format == '*') {
- if (objIndex >= objc) {
- goto badIndex;
- }
- if (Tcl_GetIntFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &precision) != TCL_OK) {
- goto fmtError;
- }
- objIndex++;
- format++;
- }
- if (gotPrecision) {
- TclFormatInt(newPtr, precision); /* INTL: printf format. */
- while (*newPtr != 0) {
- newPtr++;
- }
- }
- if (*format == 'l') {
- useWide = 1;
-
- /*
- * Only add a 'll' modifier for integer values as it makes some
- * libc's go into spasm otherwise. [Bug #702622]
- */
-
- switch (format[1]) {
- case 'i':
- case 'd':
- case 'o':
- case 'u':
- case 'x':
- case 'X':
- strcpy(newPtr, TCL_LL_MODIFIER);
- newPtr += TCL_LL_MODIFIER_SIZE;
- }
- format++;
- } else if (*format == 'h') {
- useShort = 1;
- *newPtr = 'h';
- newPtr++;
- format++;
- }
- *newPtr = *format;
- newPtr++;
- *newPtr = 0;
- if (objIndex >= objc) {
- goto badIndex;
- }
- switch (*format) {
- case 'i':
- newPtr[-1] = 'd';
- case 'd':
- case 'o':
- case 'u':
- case 'x':
- case 'X':
- if (useWide) {
- if (Tcl_GetWideIntFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &wideValue) != TCL_OK) {
- goto fmtError;
- }
- whichValue = WIDE_VALUE;
- size = 40 + precision;
- break;
- }
- if (Tcl_GetLongFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &intValue) != TCL_OK) {
- goto fmtError;
- }
-#if (LONG_MAX > INT_MAX)
- if (!useShort) {
- /*
- * Add the 'l' for long format type because we are on an LP64
- * archtecture and we are really going to pass a long argument
- * to sprintf.
- *
- * Do not add this if we're going to pass in a short (i.e. if
- * we've got an 'h' modifier already in the string); some libc
- * implementations of sprintf() do not like it at all. [Bug
- * 1154163]
- */
-
- newPtr++;
- *newPtr = 0;
- newPtr[-1] = newPtr[-2];
- newPtr[-2] = 'l';
- }
-#endif /* LONG_MAX > INT_MAX */
- whichValue = INT_VALUE;
- size = 40 + precision;
- break;
- case 's':
- /*
- * Compute the length of the string in characters and add any
- * additional space required by the field width. All of the extra
- * characters will be spaces, so one byte per character is
- * adequate.
- */
-
- whichValue = STRING_VALUE;
- ptrValue = Tcl_GetStringFromObj(objv[objIndex], &size);
- stringLen = Tcl_NumUtfChars(ptrValue, size);
- if (gotPrecision && (precision < stringLen)) {
- stringLen = precision;
- }
- size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue;
- if (width > stringLen) {
- size += (width - stringLen);
- }
- break;
- case 'c':
- if (Tcl_GetLongFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &intValue) != TCL_OK) {
- goto fmtError;
- }
- whichValue = CHAR_VALUE;
- size = width + TCL_UTF_MAX;
- break;
- case 'e':
- case 'E':
- case 'f':
- case 'g':
- case 'G':
- if (Tcl_GetDoubleFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &doubleValue) != TCL_OK) {
- goto fmtError;
- }
- whichValue = DOUBLE_VALUE;
- size = MAX_FLOAT_SIZE;
- if (precision > 10) {
- size += precision;
- }
- break;
- case 0:
- Tcl_SetResult(interp,
- "format string ended in middle of field specifier",
- TCL_STATIC);
- goto fmtError;
- default:
- {
- char buf[40];
-
- sprintf(buf, "bad field specifier \"%c\"", *format);
- Tcl_SetResult(interp, buf, TCL_VOLATILE);
- goto fmtError;
- }
- }
- objIndex++;
- format++;
-
- /*
- * Make sure that there's enough space to hold the formatted result,
- * then format it.
- */
-
- doField:
- if (width > size) {
- size = width;
- }
- if (noPercent) {
- Tcl_AppendToObj(resultPtr, ptrValue, size);
- } else {
- if (size > dstSize) {
- if (dst != staticBuf) {
- ckfree(dst);
- }
- dst = (char *) ckalloc((unsigned) (size + 1));
- dstSize = size;
- }
- switch (whichValue) {
- case DOUBLE_VALUE:
- sprintf(dst, newFormat, doubleValue); /* INTL: user locale. */
- break;
- case WIDE_VALUE:
- sprintf(dst, newFormat, wideValue);
- break;
- case INT_VALUE:
- if (useShort) {
- sprintf(dst, newFormat, (short) intValue);
- } else {
- sprintf(dst, newFormat, intValue);
- }
- break;
- case CHAR_VALUE: {
- char *ptr;
- char padChar = (gotZero ? '0' : ' ');
- ptr = dst;
- if (!gotMinus) {
- for ( ; --width > 0; ptr++) {
- *ptr = padChar;
- }
- }
- ptr += Tcl_UniCharToUtf(intValue, ptr);
- for ( ; --width > 0; ptr++) {
- *ptr = padChar;
- }
- *ptr = '\0';
- break;
- }
- case STRING_VALUE: {
- char *ptr;
- char padChar = (gotZero ? '0' : ' ');
- int pad;
-
- ptr = dst;
- if (width > stringLen) {
- pad = width - stringLen;
- } else {
- pad = 0;
- }
-
- if (!gotMinus) {
- while (pad > 0) {
- *ptr++ = padChar;
- pad--;
- }
- }
-
- size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue;
- if (size) {
- memcpy(ptr, ptrValue, (size_t) size);
- ptr += size;
- }
- while (pad > 0) {
- *ptr++ = padChar;
- pad--;
- }
- *ptr = '\0';
- break;
- }
- default:
- sprintf(dst, newFormat, ptrValue);
- break;
- }
- Tcl_AppendToObj(resultPtr, dst, -1);
- }
- }
-
- Tcl_SetObjResult(interp, resultPtr);
- if (dst != staticBuf) {
- ckfree(dst);
- }
- return TCL_OK;
-
- mixedXPG:
- Tcl_SetResult(interp,
- "cannot mix \"%\" and \"%n$\" conversion specifiers", TCL_STATIC);
- goto fmtError;
-
- badIndex:
- if (gotXpg) {
- Tcl_SetResult(interp,
- "\"%n$\" argument index out of range", TCL_STATIC);
- } else {
- Tcl_SetResult(interp,
- "not enough arguments for all format specifiers", TCL_STATIC);
- }
-
- fmtError:
- if (dst != staticBuf) {
- ckfree(dst);
- }
- Tcl_DecrRefCount(resultPtr);
- return TCL_ERROR;
-#endif
}
/*