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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2001-03-02 14:40:08 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2001-03-02 14:40:08 -0300 |
commit | 9e8a46daa28e902b4a6d74134d96e80411789175 (patch) | |
tree | 47baeb68536230d3c2baea8754d296d5f6659bbe /lstrlib.c | |
parent | 7b84f9e65c39542d16dc2b24bdfe5c07496f2042 (diff) | |
download | lua-github-9e8a46daa28e902b4a6d74134d96e80411789175.tar.gz |
details (identation)
Diffstat (limited to 'lstrlib.c')
-rw-r--r-- | lstrlib.c | 49 |
1 files changed, 28 insertions, 21 deletions
@@ -1,5 +1,5 @@ /* -** $Id: lstrlib.c,v 1.64 2001/02/22 18:59:59 roberto Exp roberto $ +** $Id: lstrlib.c,v 1.65 2001/02/23 17:17:25 roberto Exp roberto $ ** Standard library for string operations and pattern-matching ** See Copyright Notice in lua.h */ @@ -162,13 +162,16 @@ static int capture_to_close (MatchState *ms) { static const l_char *luaI_classend (MatchState *ms, const l_char *p) { switch (*p++) { case ESC: - if (*p == l_c('\0')) lua_error(ms->L, l_s("malformed pattern (ends with `%')")); + if (*p == l_c('\0')) + lua_error(ms->L, l_s("malformed pattern (ends with `%')")); return p+1; case l_c('['): if (*p == l_c('^')) p++; do { /* look for a `]' */ - if (*p == l_c('\0')) lua_error(ms->L, l_s("malformed pattern (missing `]')")); - if (*(p++) == ESC && *p != l_c('\0')) p++; /* skip escapes (e.g. `%]') */ + if (*p == l_c('\0')) + lua_error(ms->L, l_s("malformed pattern (missing `]')")); + if (*(p++) == ESC && *p != l_c('\0')) + p++; /* skip escapes (e.g. `%]') */ } while (*p != l_c(']')); return p+1; default: @@ -196,19 +199,19 @@ static int match_class (l_char c, l_char cl) { } -static int matchbracketclass (l_char c, const l_char *p, const l_char *endclass) { +static int matchbracketclass (l_char c, const l_char *p, const l_char *ec) { int sig = 1; if (*(p+1) == l_c('^')) { sig = 0; p++; /* skip the `^' */ } - while (++p < endclass) { + while (++p < ec) { if (*p == ESC) { p++; if (match_class(c, *p)) return sig; } - else if ((*(p+1) == l_c('-')) && (p+2 < endclass)) { + else if ((*(p+1) == l_c('-')) && (p+2 < ec)) { p+=2; if (uchar(*(p-2)) <= uchar(c) && uchar(c) <= uchar(*p)) return sig; @@ -236,7 +239,8 @@ static int luaI_singlematch (l_char c, const l_char *p, const l_char *ep) { static const l_char *match (MatchState *ms, const l_char *s, const l_char *p); -static const l_char *matchbalance (MatchState *ms, const l_char *s, const l_char *p) { +static const l_char *matchbalance (MatchState *ms, const l_char *s, + const l_char *p) { if (*p == 0 || *(p+1) == 0) lua_error(ms->L, l_s("unbalanced pattern")); if (*s != *p) return NULL; @@ -255,8 +259,8 @@ static const l_char *matchbalance (MatchState *ms, const l_char *s, const l_char } -static const l_char *max_expand (MatchState *ms, const l_char *s, const l_char *p, - const l_char *ep) { +static const l_char *max_expand (MatchState *ms, const l_char *s, + const l_char *p, const l_char *ep) { sint32 i = 0; /* counts maximum expand for item */ while ((s+i)<ms->src_end && luaI_singlematch(*(s+i), p, ep)) i++; @@ -270,8 +274,8 @@ static const l_char *max_expand (MatchState *ms, const l_char *s, const l_char * } -static const l_char *min_expand (MatchState *ms, const l_char *s, const l_char *p, - const l_char *ep) { +static const l_char *min_expand (MatchState *ms, const l_char *s, + const l_char *p, const l_char *ep) { for (;;) { const l_char *res = match(ms, s, ep+1); if (res != NULL) @@ -284,7 +288,7 @@ static const l_char *min_expand (MatchState *ms, const l_char *s, const l_char * static const l_char *start_capture (MatchState *ms, const l_char *s, - const l_char *p, int what) { + const l_char *p, int what) { const l_char *res; int level = ms->level; if (level >= MAX_CAPTURES) lua_error(ms->L, l_s("too many captures")); @@ -297,7 +301,8 @@ static const l_char *start_capture (MatchState *ms, const l_char *s, } -static const l_char *end_capture (MatchState *ms, const l_char *s, const l_char *p) { +static const l_char *end_capture (MatchState *ms, const l_char *s, + const l_char *p) { int l = capture_to_close(ms); const l_char *res; ms->capture[l].len = s - ms->capture[l].init; /* close capture */ @@ -307,9 +312,10 @@ static const l_char *end_capture (MatchState *ms, const l_char *s, const l_char } -static const l_char *match_capture (MatchState *ms, const l_char *s, int level) { - int l = check_capture(ms, level); - size_t len = ms->capture[l].len; +static const l_char *match_capture (MatchState *ms, const l_char *s, int l) { + size_t len; + l = check_capture(ms, l); + len = ms->capture[l].len; if ((size_t)(ms->src_end-s) >= len && memcmp(ms->capture[l].init, s, len) == 0) return s+len; @@ -372,7 +378,7 @@ static const l_char *match (MatchState *ms, const l_char *s, const l_char *p) { static const l_char *lmemfind (const l_char *s1, size_t l1, - const l_char *s2, size_t l2) { + const l_char *s2, size_t l2) { if (l2 == 0) return s1; /* empty strings are everywhere */ else if (l2 > l1) return NULL; /* avoids a negative `l1' */ else { @@ -548,8 +554,8 @@ static void luaI_addquoted (lua_State *L, luaL_Buffer *b, int arg) { } -static const l_char *scanformat (lua_State *L, const l_char *strfrmt, l_char *form, - int *hasprecision) { +static const l_char *scanformat (lua_State *L, const l_char *strfrmt, + l_char *form, int *hasprecision) { const l_char *p = strfrmt; while (strchr(l_s("-+ #0"), *p)) p++; /* skip flags */ if (isdigit(uchar(*p))) p++; /* skip width */ @@ -596,7 +602,8 @@ static int str_format (lua_State *L) { case l_c('o'): case l_c('u'): case l_c('x'): case l_c('X'): sprintf(buff, form, (unsigned int)luaL_check_number(L, arg)); break; - case l_c('e'): case l_c('E'): case l_c('f'): case l_c('g'): case l_c('G'): + case l_c('e'): case l_c('E'): case l_c('f'): + case l_c('g'): case l_c('G'): sprintf(buff, form, luaL_check_number(L, arg)); break; case l_c('q'): |