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Merge branch 'master' into nextversion

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This commit is contained in:
Roberto Ierusalimschy 2023-08-23 15:14:03 -03:00
commit c815c2f0eb
22 changed files with 134 additions and 88 deletions
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4
lapi.c
View File

@ -417,9 +417,9 @@ LUA_API const char *lua_tolstring (lua_State *L, int idx, size_t *len) {
o = index2value(L, idx); /* previous call may reallocate the stack */
}
if (len != NULL)
*len = vslen(o);
*len = tsslen(tsvalue(o));
lua_unlock(L);
return svalue(o);
return getstr(tsvalue(o));
}

28
ldebug.c
View File

@ -426,7 +426,7 @@ static const char *getobjname (const Proto *p, int lastpc, int reg,
*/
static void kname (const Proto *p, int c, const char **name) {
TValue *kvalue = &p->k[c];
*name = (ttisstring(kvalue)) ? svalue(kvalue) : "?";
*name = (ttisstring(kvalue)) ? getstr(tsvalue(kvalue)) : "?";
}
@ -569,7 +569,7 @@ static const char *getobjname (const Proto *p, int lastpc, int reg,
int b = (op == OP_LOADK) ? GETARG_Bx(i)
: GETARG_Ax(p->code[pc + 1]);
if (ttisstring(&p->k[b])) {
*name = svalue(&p->k[b]);
*name = getstr(tsvalue(&p->k[b]));
return "constant";
}
break;
@ -627,7 +627,7 @@ static const char *funcnamefromcode (lua_State *L, const Proto *p,
default:
return NULL; /* cannot find a reasonable name */
}
*name = getstr(G(L)->tmname[tm]) + 2;
*name = getshrstr(G(L)->tmname[tm]) + 2;
return "metamethod";
}
@ -865,6 +865,28 @@ static int changedline (const Proto *p, int oldpc, int newpc) {
}
/*
** Traces Lua calls. If code is running the first instruction of a function,
** and function is not vararg, and it is not coming from an yield,
** calls 'luaD_hookcall'. (Vararg functions will call 'luaD_hookcall'
** after adjusting its variable arguments; otherwise, they could call
** a line/count hook before the call hook. Functions coming from
** an yield already called 'luaD_hookcall' before yielding.)
*/
int luaG_tracecall (lua_State *L) {
CallInfo *ci = L->ci;
Proto *p = ci_func(ci)->p;
ci->u.l.trap = 1; /* ensure hooks will be checked */
if (ci->u.l.savedpc == p->code) { /* first instruction (not resuming)? */
if (p->is_vararg)
return 0; /* hooks will start at VARARGPREP instruction */
else if (!(ci->callstatus & CIST_HOOKYIELD)) /* not yieded? */
luaD_hookcall(L, ci); /* check 'call' hook */
}
return 1; /* keep 'trap' on */
}
/*
** Traces the execution of a Lua function. Called before the execution
** of each opcode, when debug is on. 'L->oldpc' stores the last

1
ldebug.h
View File

@ -58,6 +58,7 @@ LUAI_FUNC const char *luaG_addinfo (lua_State *L, const char *msg,
TString *src, int line);
LUAI_FUNC l_noret luaG_errormsg (lua_State *L);
LUAI_FUNC int luaG_traceexec (lua_State *L, const Instruction *pc);
LUAI_FUNC int luaG_tracecall (lua_State *L);
#endif

16
lgc.c
View File

@ -533,10 +533,12 @@ static void traversestrongtable (global_State *g, Table *h) {
static void traversetable (global_State *g, Table *h) {
const char *weakkey, *weakvalue;
const TValue *mode = gfasttm(g, h->metatable, TM_MODE);
TString *smode;
markobjectN(g, h->metatable);
if (mode && ttisstring(mode) && /* is there a weak mode? */
(cast_void(weakkey = strchr(svalue(mode), 'k')),
cast_void(weakvalue = strchr(svalue(mode), 'v')),
if (mode && ttisshrstring(mode) && /* is there a weak mode? */
(cast_void(smode = tsvalue(mode)),
cast_void(weakkey = strchr(getshrstr(smode), 'k')),
cast_void(weakvalue = strchr(getshrstr(smode), 'v')),
(weakkey || weakvalue))) { /* is really weak? */
if (!weakkey) /* strong keys? */
traverseweakvalue(g, h);
@ -624,7 +626,9 @@ static void traversethread (global_State *g, lua_State *th) {
for (uv = th->openupval; uv != NULL; uv = uv->u.open.next)
markobject(g, uv); /* open upvalues cannot be collected */
if (g->gcstate == GCSatomic) { /* final traversal? */
for (; o < th->stack_last.p + EXTRA_STACK; o++)
if (!g->gcemergency)
luaD_shrinkstack(th); /* do not change stack in emergency cycle */
for (o = th->top.p; o < th->stack_last.p + EXTRA_STACK; o++)
setnilvalue(s2v(o)); /* clear dead stack slice */
/* 'remarkupvals' may have removed thread from 'twups' list */
if (!isintwups(th) && th->openupval != NULL) {
@ -632,8 +636,6 @@ static void traversethread (global_State *g, lua_State *th) {
g->twups = th;
}
}
else if (!g->gcemergency)
luaD_shrinkstack(th); /* do not change stack in emergency cycle */
}
@ -1644,6 +1646,8 @@ static void fullinc (lua_State *L, global_State *g) {
entersweep(L); /* sweep everything to turn them back to white */
/* finish any pending sweep phase to start a new cycle */
luaC_runtilstate(L, bitmask(GCSpause));
luaC_runtilstate(L, bitmask(GCSpropagate)); /* start new cycle */
g->gcstate = GCSenteratomic; /* go straight to atomic phase ??? */
luaC_runtilstate(L, bitmask(GCScallfin)); /* run up to finalizers */
/* 'marked' must be correct after a full GC cycle */
lua_assert(g->marked == gettotalobjs(g));

2
lobject.c
View File

@ -542,7 +542,7 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
addstr2buff(&buff, fmt, strlen(fmt)); /* rest of 'fmt' */
clearbuff(&buff); /* empty buffer into the stack */
lua_assert(buff.pushed == 1);
return svalue(s2v(L->top.p - 1));
return getstr(tsvalue(s2v(L->top.p - 1)));
}

18
lobject.h
View File

@ -386,7 +386,7 @@ typedef struct GCObject {
typedef struct TString {
CommonHeader;
lu_byte extra; /* reserved words for short strings; "has hash" for longs */
lu_byte shrlen; /* length for short strings */
lu_byte shrlen; /* length for short strings, 0xFF for long strings */
unsigned int hash;
union {
size_t lnglen; /* length for long strings */
@ -398,19 +398,17 @@ typedef struct TString {
/*
** Get the actual string (array of bytes) from a 'TString'.
** Get the actual string (array of bytes) from a 'TString'. (Generic
** version and specialized versions for long and short strings.)
*/
#define getstr(ts) ((ts)->contents)
#define getstr(ts) ((ts)->contents)
#define getlngstr(ts) check_exp((ts)->shrlen == 0xFF, (ts)->contents)
#define getshrstr(ts) check_exp((ts)->shrlen != 0xFF, (ts)->contents)
/* get the actual string (array of bytes) from a Lua value */
#define svalue(o) getstr(tsvalue(o))
/* get string length from 'TString *s' */
#define tsslen(s) ((s)->tt == LUA_VSHRSTR ? (s)->shrlen : (s)->u.lnglen)
/* get string length from 'TValue *o' */
#define vslen(o) tsslen(tsvalue(o))
#define tsslen(s) \
((s)->shrlen != 0xFF ? (s)->shrlen : (s)->u.lnglen)
/* }================================================================== */

12
lparser.c
View File

@ -1030,10 +1030,11 @@ static int explist (LexState *ls, expdesc *v) {
}
static void funcargs (LexState *ls, expdesc *f, int line) {
static void funcargs (LexState *ls, expdesc *f) {
FuncState *fs = ls->fs;
expdesc args;
int base, nparams;
int line = ls->linenumber;
switch (ls->t.token) {
case '(': { /* funcargs -> '(' [ explist ] ')' */
luaX_next(ls);
@ -1071,8 +1072,8 @@ static void funcargs (LexState *ls, expdesc *f, int line) {
}
init_exp(f, VCALL, luaK_codeABC(fs, OP_CALL, base, nparams+1, 2));
luaK_fixline(fs, line);
fs->freereg = base+1; /* call remove function and arguments and leaves
(unless changed) one result */
fs->freereg = base+1; /* call removes function and arguments and leaves
one result (unless changed later) */
}
@ -1111,7 +1112,6 @@ static void suffixedexp (LexState *ls, expdesc *v) {
/* suffixedexp ->
primaryexp { '.' NAME | '[' exp ']' | ':' NAME funcargs | funcargs } */
FuncState *fs = ls->fs;
int line = ls->linenumber;
primaryexp(ls, v);
for (;;) {
switch (ls->t.token) {
@ -1131,12 +1131,12 @@ static void suffixedexp (LexState *ls, expdesc *v) {
luaX_next(ls);
codename(ls, &key);
luaK_self(fs, v, &key);
funcargs(ls, v, line);
funcargs(ls, v);
break;
}
case '(': case TK_STRING: case '{': { /* funcargs */
luaK_exp2nextreg(fs, v);
funcargs(ls, v, line);
funcargs(ls, v);
break;
}
default: return;

2
lstate.c
View File

@ -396,7 +396,7 @@ void luaE_warning (lua_State *L, const char *msg, int tocont) {
void luaE_warnerror (lua_State *L, const char *where) {
TValue *errobj = s2v(L->top.p - 1); /* error object */
const char *msg = (ttisstring(errobj))
? svalue(errobj)
? getstr(tsvalue(errobj))
: "error object is not a string";
/* produce warning "error in %s (%s)" (where, msg) */
luaE_warning(L, "error in ", 1);

2
lstate.h
View File

@ -182,7 +182,7 @@ struct CallInfo {
union {
struct { /* only for Lua functions */
const Instruction *savedpc;
volatile l_signalT trap;
volatile l_signalT trap; /* function is tracing lines/counts */
int nextraargs; /* # of extra arguments in vararg functions */
} l;
struct { /* only for C functions */

11
lstring.c
View File

@ -36,7 +36,7 @@ int luaS_eqlngstr (TString *a, TString *b) {
lua_assert(a->tt == LUA_VLNGSTR && b->tt == LUA_VLNGSTR);
return (a == b) || /* same instance or... */
((len == b->u.lnglen) && /* equal length and ... */
(memcmp(getstr(a), getstr(b), len) == 0)); /* equal contents */
(memcmp(getlngstr(a), getlngstr(b), len) == 0)); /* equal contents */
}
@ -52,7 +52,7 @@ unsigned int luaS_hashlongstr (TString *ts) {
lua_assert(ts->tt == LUA_VLNGSTR);
if (ts->extra == 0) { /* no hash? */
size_t len = ts->u.lnglen;
ts->hash = luaS_hash(getstr(ts), len, ts->hash);
ts->hash = luaS_hash(getlngstr(ts), len, ts->hash);
ts->extra = 1; /* now it has its hash */
}
return ts->hash;
@ -157,6 +157,7 @@ static TString *createstrobj (lua_State *L, size_t l, int tag, unsigned int h) {
TString *luaS_createlngstrobj (lua_State *L, size_t l) {
TString *ts = createstrobj(L, l, LUA_VLNGSTR, G(L)->seed);
ts->u.lnglen = l;
ts->shrlen = 0xFF; /* signals that it is a long string */
return ts;
}
@ -193,7 +194,7 @@ static TString *internshrstr (lua_State *L, const char *str, size_t l) {
TString **list = &tb->hash[lmod(h, tb->size)];
lua_assert(str != NULL); /* otherwise 'memcmp'/'memcpy' are undefined */
for (ts = *list; ts != NULL; ts = ts->u.hnext) {
if (l == ts->shrlen && (memcmp(str, getstr(ts), l * sizeof(char)) == 0)) {
if (l == ts->shrlen && (memcmp(str, getshrstr(ts), l * sizeof(char)) == 0)) {
/* found! */
if (isdead(g, ts)) /* dead (but not collected yet)? */
changewhite(ts); /* resurrect it */
@ -206,7 +207,7 @@ static TString *internshrstr (lua_State *L, const char *str, size_t l) {
list = &tb->hash[lmod(h, tb->size)]; /* rehash with new size */
}
ts = createstrobj(L, l, LUA_VSHRSTR, h);
memcpy(getstr(ts), str, l * sizeof(char));
memcpy(getshrstr(ts), str, l * sizeof(char));
ts->shrlen = cast_byte(l);
ts->u.hnext = *list;
*list = ts;
@ -226,7 +227,7 @@ TString *luaS_newlstr (lua_State *L, const char *str, size_t l) {
if (l_unlikely(l >= (MAX_SIZE - sizeof(TString))/sizeof(char)))
luaM_toobig(L);
ts = luaS_createlngstrobj(L, l);
memcpy(getstr(ts), str, l * sizeof(char));
memcpy(getlngstr(ts), str, l * sizeof(char));
return ts;
}
}

2
lundump.c
View File

@ -131,7 +131,7 @@ static TString *loadStringN (LoadState *S, Proto *p) {
ts = luaS_createlngstrobj(L, size); /* create string */
setsvalue2s(L, L->top.p, ts); /* anchor it ('loadVector' can GC) */
luaD_inctop(L);
loadVector(S, getstr(ts), size); /* load directly in final place */
loadVector(S, getlngstr(ts), size); /* load directly in final place */
L->top.p--; /* pop string */
}
luaC_objbarrier(L, p, ts);

3
lundump.h
View File

@ -21,8 +21,7 @@
/*
** Encode major-minor version in one byte, one nibble for each
*/
#define MYINT(s) (s[0]-'0') /* assume one-digit numerals */
#define LUAC_VERSION (MYINT(LUA_VERSION_MAJOR)*16+MYINT(LUA_VERSION_MINOR))
#define LUAC_VERSION (LUA_VERSION_MAJOR_N*16+LUA_VERSION_MINOR_N)
#define LUAC_FORMAT 0 /* this is the official format */

30
lvm.c
View File

@ -91,8 +91,10 @@ static int l_strton (const TValue *obj, TValue *result) {
lua_assert(obj != result);
if (!cvt2num(obj)) /* is object not a string? */
return 0;
else
return (luaO_str2num(svalue(obj), result) == vslen(obj) + 1);
else {
TString *st = tsvalue(obj);
return (luaO_str2num(getstr(st), result) == tsslen(st) + 1);
}
}
@ -627,8 +629,9 @@ int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2) {
static void copy2buff (StkId top, int n, char *buff) {
size_t tl = 0; /* size already copied */
do {
size_t l = vslen(s2v(top - n)); /* length of string being copied */
memcpy(buff + tl, svalue(s2v(top - n)), l * sizeof(char));
TString *st = tsvalue(s2v(top - n));
size_t l = tsslen(st); /* length of string being copied */
memcpy(buff + tl, getstr(st), l * sizeof(char));
tl += l;
} while (--n > 0);
}
@ -654,11 +657,11 @@ void luaV_concat (lua_State *L, int total) {
}
else {
/* at least two non-empty string values; get as many as possible */
size_t tl = vslen(s2v(top - 1));
size_t tl = tsslen(tsvalue(s2v(top - 1)));
TString *ts;
/* collect total length and number of strings */
for (n = 1; n < total && tostring(L, s2v(top - n - 1)); n++) {
size_t l = vslen(s2v(top - n - 1));
size_t l = tsslen(tsvalue(s2v(top - n - 1)));
if (l_unlikely(l >= (MAX_SIZE/sizeof(char)) - tl)) {
L->top.p = top - total; /* pop strings to avoid wasting stack */
luaG_runerror(L, "string length overflow");
@ -672,7 +675,7 @@ void luaV_concat (lua_State *L, int total) {
}
else { /* long string; copy strings directly to final result */
ts = luaS_createlngstrobj(L, tl);
copy2buff(top, n, getstr(ts));
copy2buff(top, n, getlngstr(ts));
}
setsvalue2s(L, top - n, ts); /* create result */
}
@ -1158,18 +1161,11 @@ void luaV_execute (lua_State *L, CallInfo *ci) {
startfunc:
trap = L->hookmask;
returning: /* trap already set */
cl = clLvalue(s2v(ci->func.p));
cl = ci_func(ci);
k = cl->p->k;
pc = ci->u.l.savedpc;
if (l_unlikely(trap)) {
if (pc == cl->p->code) { /* first instruction (not resuming)? */
if (cl->p->is_vararg)
trap = 0; /* hooks will start after VARARGPREP instruction */
else /* check 'call' hook */
luaD_hookcall(L, ci);
}
ci->u.l.trap = 1; /* assume trap is on, for now */
}
if (l_unlikely(trap))
trap = luaG_tracecall(L);
base = ci->func.p + 1;
/* main loop of interpreter */
for (;;) {

4
manual/manual.of
View File

@ -9033,6 +9033,10 @@ Lua does not consult any environment variables.
In particular,
the values of @Lid{package.path} and @Lid{package.cpath}
are set with the default paths defined in @id{luaconf.h}.
To signal to the libraries that this option is on,
the stand-alone interpreter sets the field
@idx{"LUA_NOENV"} in the registry to a true value.
Other libraries may consult this field for the same purpose.
The options @T{-e}, @T{-l}, and @T{-W} are handled in
the order they appear.

2
testes/calls.lua
View File

@ -342,7 +342,7 @@ do -- another bug (in 5.4.0)
end
do -- another bug (since 5.2)
if not _port then -- another bug (since 5.2)
-- corrupted binary dump: list of upvalue names is larger than number
-- of upvalues, overflowing the array of upvalues.
local code =

6
testes/db.lua
View File

@ -345,7 +345,7 @@ function f(a,b)
local _, y = debug.getlocal(1, 2)
assert(x == a and y == b)
assert(debug.setlocal(2, 3, "pera") == "AA".."AA")
assert(debug.setlocal(2, 4, "maçã") == "B")
assert(debug.setlocal(2, 4, "manga") == "B")
x = debug.getinfo(2)
assert(x.func == g and x.what == "Lua" and x.name == 'g' and
x.nups == 2 and string.find(x.source, "^@.*db%.lua$"))
@ -373,9 +373,9 @@ function g (...)
local arg = {...}
do local a,b,c; a=math.sin(40); end
local feijao
local AAAA,B = "xuxu", "mamão"
local AAAA,B = "xuxu", "abacate"
f(AAAA,B)
assert(AAAA == "pera" and B == "maçã")
assert(AAAA == "pera" and B == "manga")
do
local B = 13
local x,y = debug.getlocal(1,5)

8
testes/errors.lua
View File

@ -392,19 +392,19 @@ lineerror("a\n=\n-\n\nprint\n;", 3)
lineerror([[
a
(
( -- <<
23)
]], 1)
]], 2)
lineerror([[
local a = {x = 13}
a
.
x
(
( -- <<
23
)
]], 2)
]], 5)
lineerror([[
local a = {x = 13}

8
testes/files.lua
View File

@ -92,8 +92,8 @@ assert(io.output():seek("end") == string.len("alo joao"))
assert(io.output():seek("set") == 0)
assert(io.write('"álo"', "{a}\n", "second line\n", "third line \n"))
assert(io.write('çfourth_line'))
assert(io.write('"alo"', "{a}\n", "second line\n", "third line \n"))
assert(io.write('Xfourth_line'))
io.output(io.stdout)
collectgarbage() -- file should be closed by GC
assert(io.input() == io.stdin and rawequal(io.output(), io.stdout))
@ -300,14 +300,14 @@ do -- test error returns
end
checkerr("invalid format", io.read, "x")
assert(io.read(0) == "") -- not eof
assert(io.read(5, 'l') == '"álo"')
assert(io.read(5, 'l') == '"alo"')
assert(io.read(0) == "")
assert(io.read() == "second line")
local x = io.input():seek()
assert(io.read() == "third line ")
assert(io.input():seek("set", x))
assert(io.read('L') == "third line \n")
assert(io.read(1) == "ç")
assert(io.read(1) == "X")
assert(io.read(string.len"fourth_line") == "fourth_line")
assert(io.input():seek("cur", -string.len"fourth_line"))
assert(io.read() == "fourth_line")

56
testes/pm.lua
View File

@ -1,6 +1,9 @@
-- $Id: testes/pm.lua $
-- See Copyright Notice in file all.lua
-- UTF-8 file
print('testing pattern matching')
local function checkerror (msg, f, ...)
@ -50,6 +53,19 @@ assert(f('aLo_ALO', '%a*') == 'aLo')
assert(f(" \n\r*&\n\r xuxu \n\n", "%g%g%g+") == "xuxu")
-- Adapt a pattern to UTF-8
local function PU (p)
-- break '?' into each individual byte of a character
p = string.gsub(p, "(" .. utf8.charpattern .. ")%?", function (c)
return string.gsub(c, ".", "%0?")
end)
-- change '.' to utf-8 character patterns
p = string.gsub(p, "%.", utf8.charpattern)
return p
end
assert(f('aaab', 'a*') == 'aaa');
assert(f('aaa', '^.*$') == 'aaa');
assert(f('aaa', 'b*') == '');
@ -73,16 +89,16 @@ assert(f('aaa', '^.-$') == 'aaa')
assert(f('aabaaabaaabaaaba', 'b.*b') == 'baaabaaabaaab')
assert(f('aabaaabaaabaaaba', 'b.-b') == 'baaab')
assert(f('alo xo', '.o$') == 'xo')
assert(f(' \n isto é assim', '%S%S*') == 'isto')
assert(f(' \n isto é assim', '%S*$') == 'assim')
assert(f(' \n isto é assim', '[a-z]*$') == 'assim')
assert(f(' \n isto é assim', '%S%S*') == 'isto')
assert(f(' \n isto é assim', '%S*$') == 'assim')
assert(f(' \n isto é assim', '[a-z]*$') == 'assim')
assert(f('um caracter ? extra', '[^%sa-z]') == '?')
assert(f('', 'a?') == '')
assert(f('á', 'á?') == 'á')
assert(f('ábl', 'á?b?l?') == 'ábl')
assert(f(' ábl', 'á?b?l?') == '')
assert(f('á', PU'á?') == 'á')
assert(f('ábl', PU'á?b?l?') == 'ábl')
assert(f(' ábl', PU'á?b?l?') == '')
assert(f('aa', '^aa?a?a') == 'aa')
assert(f(']]]áb', '[^]]') == 'á')
assert(f(']]]áb', '[^]]+') == 'áb')
assert(f("0alo alo", "%x*") == "0a")
assert(f("alo alo", "%C+") == "alo alo")
print('+')
@ -136,28 +152,28 @@ assert(string.match("alo xyzK", "(%w+)K") == "xyz")
assert(string.match("254 K", "(%d*)K") == "")
assert(string.match("alo ", "(%w*)$") == "")
assert(not string.match("alo ", "(%w+)$"))
assert(string.find("(álo)", "%(á") == 1)
local a, b, c, d, e = string.match("âlo alo", "^(((.).).* (%w*))$")
assert(a == 'âlo alo' and b == 'âl' and c == 'â' and d == 'alo' and e == nil)
assert(string.find("(álo)", "%(á") == 1)
local a, b, c, d, e = string.match("âlo alo", PU"^(((.).). (%w*))$")
assert(a == 'âlo alo' and b == 'âl' and c == 'â' and d == 'alo' and e == nil)
a, b, c, d = string.match('0123456789', '(.+(.?)())')
assert(a == '0123456789' and b == '' and c == 11 and d == nil)
print('+')
assert(string.gsub('ülo ülo', 'ü', 'x') == 'xlo xlo')
assert(string.gsub('alo úlo ', ' +$', '') == 'alo úlo') -- trim
assert(string.gsub('ülo ülo', 'ü', 'x') == 'xlo xlo')
assert(string.gsub('alo úlo ', ' +$', '') == 'alo úlo') -- trim
assert(string.gsub(' alo alo ', '^%s*(.-)%s*$', '%1') == 'alo alo') -- double trim
assert(string.gsub('alo alo \n 123\n ', '%s+', ' ') == 'alo alo 123 ')
local t = "abç d"
a, b = string.gsub(t, '(.)', '%1@')
assert('@'..a == string.gsub(t, '', '@') and b == 5)
a, b = string.gsub('abçd', '(.)', '%0@', 2)
assert(a == 'a@b@çd' and b == 2)
local t = "abç d"
a, b = string.gsub(t, PU'(.)', '%1@')
assert(a == "a@b@ç@ @d@" and b == 5)
a, b = string.gsub('abçd', PU'(.)', '%0@', 2)
assert(a == 'a@b@çd' and b == 2)
assert(string.gsub('alo alo', '()[al]', '%1') == '12o 56o')
assert(string.gsub("abc=xyz", "(%w*)(%p)(%w+)", "%3%2%1-%0") ==
"xyz=abc-abc=xyz")
assert(string.gsub("abc", "%w", "%1%0") == "aabbcc")
assert(string.gsub("abc", "%w+", "%0%1") == "abcabc")
assert(string.gsub('áéí', '$', '\0óú') == 'áéí\0óú')
assert(string.gsub('áéí', '$', '\0óú') == 'áéí\0óú')
assert(string.gsub('', '^', 'r') == 'r')
assert(string.gsub('', '$', 'r') == 'r')
print('+')
@ -188,8 +204,8 @@ do
end
function f(a,b) return string.gsub(a,'.',b) end
assert(string.gsub("trocar tudo em |teste|b| é |beleza|al|", "|([^|]*)|([^|]*)|", f) ==
"trocar tudo em bbbbb é alalalalalal")
assert(string.gsub("trocar tudo em |teste|b| é |beleza|al|", "|([^|]*)|([^|]*)|", f) ==
"trocar tudo em bbbbb é alalalalalal")
local function dostring (s) return load(s, "")() or "" end
assert(string.gsub("alo $a='x'$ novamente $return a$",

2
testes/sort.lua
View File

@ -289,7 +289,7 @@ timesort(a, limit, function(x,y) return nil end, "equal")
for i,v in pairs(a) do assert(v == false) end
AA = {"álo", "\0first :-)", "alo", "then this one", "45", "and a new"}
AA = {"\xE1lo", "\0first :-)", "alo", "then this one", "45", "and a new"}
table.sort(AA)
check(AA)

3
testes/strings.lua
View File

@ -1,6 +1,9 @@
-- $Id: testes/strings.lua $
-- See Copyright Notice in file all.lua
-- ISO Latin encoding
print('testing strings and string library')
local maxi <const> = math.maxinteger

2
testes/utf8.lua
View File

@ -1,6 +1,8 @@
-- $Id: testes/utf8.lua $
-- See Copyright Notice in file all.lua
-- UTF-8 file
print "testing UTF-8 library"
local utf8 = require'utf8'