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Bug 1027528 part 9 - Make more code work with Latin1 strings. r=terrence

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This commit is contained in:
Jan de Mooij 2014-06-20 16:20:22 +02:00
parent 6d852cdaf6
commit bdb2f89f1d
3 changed files with 32 additions and 24 deletions
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22
js/src/shell/js.cpp
View File

@ -4380,11 +4380,11 @@ class ShellSourceHook: public SourceHook {
if (!*src)
return false;
const jschar *chars = JS_GetStringCharsZ(cx, str);
if (!chars)
JSLinearString *linear = str->ensureLinear(cx);
if (!linear)
return false;
PodCopy(*src, chars, *length);
CopyChars(*src, *linear);
return true;
}
};
@ -4969,13 +4969,19 @@ PrintHelpString(JSContext *cx, jsval v)
{
JSString *str = v.toString();
JS::Anchor<JSString *> a_str(str);
const jschar *chars = JS_GetStringCharsZ(cx, str);
if (!chars)
JSLinearString *linear = str->ensureLinear(cx);
if (!linear)
return false;
for (const jschar *p = chars; *p; p++)
fprintf(gOutFile, "%c", char(*p));
JS::AutoCheckCannotGC nogc;
if (linear->hasLatin1Chars()) {
for (const Latin1Char *p = linear->latin1Chars(nogc); *p; p++)
fprintf(gOutFile, "%c", char(*p));
} else {
for (const jschar *p = linear->twoByteChars(nogc); *p; p++)
fprintf(gOutFile, "%c", char(*p));
}
fprintf(gOutFile, "\n");
return true;

27
js/src/vm/SPSProfiler.cpp
View File

@ -274,16 +274,8 @@ SPSProfiler::allocProfileString(JSScript *script, JSFunction *maybeFun)
// Note: this profiler string is regexp-matched by
// browser/devtools/profiler/cleopatra/js/parserWorker.js.
// Determine if the function (if any) has an explicit or guessed name.
bool hasAtom = maybeFun && maybeFun->displayAtom();
// Get the function name, if any, and its length.
const jschar *atom = nullptr;
size_t lenAtom = 0;
if (hasAtom) {
atom = maybeFun->displayAtom()->charsZ();
lenAtom = maybeFun->displayAtom()->length();
}
// Get the function name, if any.
JSAtom *atom = maybeFun ? maybeFun->displayAtom() : nullptr;
// Get the script filename, if any, and its length.
const char *filename = script->filename();
@ -298,8 +290,8 @@ SPSProfiler::allocProfileString(JSScript *script, JSFunction *maybeFun)
// Determine the required buffer size.
size_t len = lenFilename + lenLineno + 1; // +1 for the ":" separating them.
if (hasAtom)
len += lenAtom + 3; // +3 for the " (" and ")" it adds.
if (atom)
len += atom->length() + 3; // +3 for the " (" and ")" it adds.
// Allocate the buffer.
char *cstr = js_pod_malloc<char>(len + 1);
@ -308,10 +300,15 @@ SPSProfiler::allocProfileString(JSScript *script, JSFunction *maybeFun)
// Construct the descriptive string.
DebugOnly<size_t> ret;
if (hasAtom)
ret = JS_snprintf(cstr, len + 1, "%hs (%s:%llu)", atom, filename, lineno);
else
if (atom) {
JS::AutoCheckCannotGC nogc;
if (atom->hasLatin1Chars())
ret = JS_snprintf(cstr, len + 1, "%s (%s:%llu)", atom->latin1Chars(nogc), filename, lineno);
else
ret = JS_snprintf(cstr, len + 1, "%hs (%s:%llu)", atom->twoByteChars(nogc), filename, lineno);
} else {
ret = JS_snprintf(cstr, len + 1, "%s:%llu", filename, lineno);
}
MOZ_ASSERT(ret == len, "Computed length should match actual length!");

7
js/src/vm/SavedStacks.cpp
View File

@ -25,7 +25,12 @@ namespace js {
/* static */ HashNumber
SavedFrame::HashPolicy::hash(const Lookup &lookup)
{
return AddToHash(HashString(lookup.source->chars(), lookup.source->length()),
JSAtom *source = lookup.source;
JS::AutoCheckCannotGC nogc;
uint32_t hash = source->hasLatin1Chars()
? HashString(source->latin1Chars(nogc), source->length())
: HashString(source->twoByteChars(nogc), source->length());
return AddToHash(hash,
lookup.line,
lookup.column,
lookup.functionDisplayName,