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regexec.c utf8 loading
Andy Lester [Wed, 8 Jun 2005 00:03:32 +0000 (19:03 -0500)]
Message-ID: <20050608050332.GA31059@petdance.com>

p4raw-id: //depot/perl@24754

regexec.c patch | blob | blame | history

diff --git a/regexec.c b/regexec.c
index e727ba9..e740690 100644 (file)
--- a/regexec.c
+++ b/regexec.c
@@ -140,7 +140,12 @@
 #define HOP3c(pos,off,lim) ((char*)HOP3(pos,off,lim))
 #define HOPMAYBE3c(pos,off,lim) ((char*)HOPMAYBE3(pos,off,lim))
 
-#define LOAD_UTF8_CHARCLASS(a,b) STMT_START { if (!CAT2(PL_utf8_,a)) { ENTER; save_re_context(); (void)CAT2(is_utf8_, a)((const U8*)b); LEAVE; } } STMT_END
+#define LOAD_UTF8_CHARCLASS(class,str) STMT_START { \
+    if (!CAT2(PL_utf8_,class)) { bool ok; ENTER; save_re_context(); ok=CAT2(is_utf8_,class)((const U8*)str); assert(ok); LEAVE; } } STMT_END
+#define LOAD_UTF8_CHARCLASS_ALNUM() LOAD_UTF8_CHARCLASS(alnum,"a")
+#define LOAD_UTF8_CHARCLASS_DIGIT() LOAD_UTF8_CHARCLASS(digit,"0")
+#define LOAD_UTF8_CHARCLASS_SPACE() LOAD_UTF8_CHARCLASS(space," ")
+#define LOAD_UTF8_CHARCLASS_MARK()  LOAD_UTF8_CHARCLASS(mark, "\xcd\x86")
 
 /* for use after a quantifier and before an EXACT-like node -- japhy */
 #define JUMPABLE(rn) ( \
@@ -1189,7 +1194,7 @@ S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, const char *strend, I32
                }
                tmp = ((OP(c) == BOUND ?
                        isALNUM_uni(tmp) : isALNUM_LC_uvchr(UNI_TO_NATIVE(tmp))) != 0);
-               LOAD_UTF8_CHARCLASS(alnum,"a");
+               LOAD_UTF8_CHARCLASS_ALNUM();
                while (s + (uskip = UTF8SKIP(s)) <= strend) {
                    if (tmp == !(OP(c) == BOUND ?
                                 swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8) :
@@ -1232,7 +1237,7 @@ S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, const char *strend, I32
                }
                tmp = ((OP(c) == NBOUND ?
                        isALNUM_uni(tmp) : isALNUM_LC_uvchr(UNI_TO_NATIVE(tmp))) != 0);
-               LOAD_UTF8_CHARCLASS(alnum,"a");
+               LOAD_UTF8_CHARCLASS_ALNUM();
                while (s + (uskip = UTF8SKIP(s)) <= strend) {
                    if (tmp == !(OP(c) == NBOUND ?
                                 swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8) :
@@ -1261,7 +1266,7 @@ S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, const char *strend, I32
            break;
        case ALNUM:
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(alnum,"a");
+               LOAD_UTF8_CHARCLASS_ALNUM();
                while (s + (uskip = UTF8SKIP(s)) <= strend) {
                    if (swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8)) {
                        if (tmp && (norun || regtry(prog, s)))
@@ -1319,7 +1324,7 @@ S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, const char *strend, I32
            break;
        case NALNUM:
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(alnum,"a");
+               LOAD_UTF8_CHARCLASS_ALNUM();
                while (s + (uskip = UTF8SKIP(s)) <= strend) {
                    if (!swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8)) {
                        if (tmp && (norun || regtry(prog, s)))
@@ -1377,7 +1382,7 @@ S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, const char *strend, I32
            break;
        case SPACE:
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(space," ");
+               LOAD_UTF8_CHARCLASS_SPACE();
                while (s + (uskip = UTF8SKIP(s)) <= strend) {
                    if (*s == ' ' || swash_fetch(PL_utf8_space,(U8*)s, do_utf8)) {
                        if (tmp && (norun || regtry(prog, s)))
@@ -1435,7 +1440,7 @@ S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, const char *strend, I32
            break;
        case NSPACE:
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(space," ");
+               LOAD_UTF8_CHARCLASS_SPACE();
                while (s + (uskip = UTF8SKIP(s)) <= strend) {
                    if (!(*s == ' ' || swash_fetch(PL_utf8_space,(U8*)s, do_utf8))) {
                        if (tmp && (norun || regtry(prog, s)))
@@ -1493,7 +1498,7 @@ S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, const char *strend, I32
            break;
        case DIGIT:
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(digit,"0");
+               LOAD_UTF8_CHARCLASS_DIGIT();
                while (s + (uskip = UTF8SKIP(s)) <= strend) {
                    if (swash_fetch(PL_utf8_digit,(U8*)s, do_utf8)) {
                        if (tmp && (norun || regtry(prog, s)))
@@ -1551,7 +1556,7 @@ S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, const char *strend, I32
            break;
        case NDIGIT:
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(digit,"0");
+               LOAD_UTF8_CHARCLASS_DIGIT();
                while (s + (uskip = UTF8SKIP(s)) <= strend) {
                    if (!swash_fetch(PL_utf8_digit,(U8*)s, do_utf8)) {
                        if (tmp && (norun || regtry(prog, s)))
@@ -2929,7 +2934,7 @@ S_regmatch(pTHX_ regnode *prog)
            if (!nextchr)
                sayNO;
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(alnum,"a");
+               LOAD_UTF8_CHARCLASS_ALNUM();
                if (!(OP(scan) == ALNUM
                      ? swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8)
                      : isALNUM_LC_utf8((U8*)locinput)))
@@ -2952,7 +2957,7 @@ S_regmatch(pTHX_ regnode *prog)
            if (!nextchr && locinput >= PL_regeol)
                sayNO;
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(alnum,"a");
+               LOAD_UTF8_CHARCLASS_ALNUM();
                if (OP(scan) == NALNUM
                    ? swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8)
                    : isALNUM_LC_utf8((U8*)locinput))
@@ -2985,7 +2990,7 @@ S_regmatch(pTHX_ regnode *prog)
                }
                if (OP(scan) == BOUND || OP(scan) == NBOUND) {
                    ln = isALNUM_uni(ln);
-                   LOAD_UTF8_CHARCLASS(alnum,"a");
+                   LOAD_UTF8_CHARCLASS_ALNUM();
                    n = swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8);
                }
                else {
@@ -3017,7 +3022,7 @@ S_regmatch(pTHX_ regnode *prog)
                sayNO;
            if (do_utf8) {
                if (UTF8_IS_CONTINUED(nextchr)) {
-                   LOAD_UTF8_CHARCLASS(space," ");
+                   LOAD_UTF8_CHARCLASS_SPACE();
                    if (!(OP(scan) == SPACE
                          ? swash_fetch(PL_utf8_space, (U8*)locinput, do_utf8)
                          : isSPACE_LC_utf8((U8*)locinput)))
@@ -3047,7 +3052,7 @@ S_regmatch(pTHX_ regnode *prog)
            if (!nextchr && locinput >= PL_regeol)
                sayNO;
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(space," ");
+               LOAD_UTF8_CHARCLASS_SPACE();
                if (OP(scan) == NSPACE
                    ? swash_fetch(PL_utf8_space, (U8*)locinput, do_utf8)
                    : isSPACE_LC_utf8((U8*)locinput))
@@ -3070,7 +3075,7 @@ S_regmatch(pTHX_ regnode *prog)
            if (!nextchr)
                sayNO;
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(digit,"0");
+               LOAD_UTF8_CHARCLASS_DIGIT();
                if (!(OP(scan) == DIGIT
                      ? swash_fetch(PL_utf8_digit, (U8*)locinput, do_utf8)
                      : isDIGIT_LC_utf8((U8*)locinput)))
@@ -3093,7 +3098,7 @@ S_regmatch(pTHX_ regnode *prog)
            if (!nextchr && locinput >= PL_regeol)
                sayNO;
            if (do_utf8) {
-               LOAD_UTF8_CHARCLASS(digit,"0");
+               LOAD_UTF8_CHARCLASS_DIGIT();
                if (OP(scan) == NDIGIT
                    ? swash_fetch(PL_utf8_digit, (U8*)locinput, do_utf8)
                    : isDIGIT_LC_utf8((U8*)locinput))
@@ -3113,7 +3118,7 @@ S_regmatch(pTHX_ regnode *prog)
            if (locinput >= PL_regeol)
                sayNO;
            if  (do_utf8) {
-               LOAD_UTF8_CHARCLASS(mark,"~");
+               LOAD_UTF8_CHARCLASS_MARK();
                if (swash_fetch(PL_utf8_mark,(U8*)locinput, do_utf8))
                    sayNO;
                locinput += PL_utf8skip[nextchr];
@@ -4437,7 +4442,7 @@ S_regrepeat(pTHX_ const regnode *p, I32 max)
     case ALNUM:
        if (do_utf8) {
            loceol = PL_regeol;
-           LOAD_UTF8_CHARCLASS(alnum,"a");
+           LOAD_UTF8_CHARCLASS_ALNUM();
            while (hardcount < max && scan < loceol &&
                   swash_fetch(PL_utf8_alnum, (U8*)scan, do_utf8)) {
                scan += UTF8SKIP(scan);
@@ -4465,7 +4470,7 @@ S_regrepeat(pTHX_ const regnode *p, I32 max)
     case NALNUM:
        if (do_utf8) {
            loceol = PL_regeol;
-           LOAD_UTF8_CHARCLASS(alnum,"a");
+           LOAD_UTF8_CHARCLASS_ALNUM();
            while (hardcount < max && scan < loceol &&
                   !swash_fetch(PL_utf8_alnum, (U8*)scan, do_utf8)) {
                scan += UTF8SKIP(scan);
@@ -4493,7 +4498,7 @@ S_regrepeat(pTHX_ const regnode *p, I32 max)
     case SPACE:
        if (do_utf8) {
            loceol = PL_regeol;
-           LOAD_UTF8_CHARCLASS(space," ");
+           LOAD_UTF8_CHARCLASS_SPACE();
            while (hardcount < max && scan < loceol &&
                   (*scan == ' ' ||
                    swash_fetch(PL_utf8_space,(U8*)scan, do_utf8))) {
@@ -4522,7 +4527,7 @@ S_regrepeat(pTHX_ const regnode *p, I32 max)
     case NSPACE:
        if (do_utf8) {
            loceol = PL_regeol;
-           LOAD_UTF8_CHARCLASS(space," ");
+           LOAD_UTF8_CHARCLASS_SPACE();
            while (hardcount < max && scan < loceol &&
                   !(*scan == ' ' ||
                     swash_fetch(PL_utf8_space,(U8*)scan, do_utf8))) {
@@ -4551,7 +4556,7 @@ S_regrepeat(pTHX_ const regnode *p, I32 max)
     case DIGIT:
        if (do_utf8) {
            loceol = PL_regeol;
-           LOAD_UTF8_CHARCLASS(digit,"0");
+           LOAD_UTF8_CHARCLASS_DIGIT();
            while (hardcount < max && scan < loceol &&
                   swash_fetch(PL_utf8_digit, (U8*)scan, do_utf8)) {
                scan += UTF8SKIP(scan);
@@ -4565,7 +4570,7 @@ S_regrepeat(pTHX_ const regnode *p, I32 max)
     case NDIGIT:
        if (do_utf8) {
            loceol = PL_regeol;
-           LOAD_UTF8_CHARCLASS(digit,"0");
+           LOAD_UTF8_CHARCLASS_DIGIT();
            while (hardcount < max && scan < loceol &&
                   !swash_fetch(PL_utf8_digit, (U8*)scan, do_utf8)) {
                scan += UTF8SKIP(scan);
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