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Fix a couple of comments.

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This commit is contained in:
Brendan Eich 2008-07-29 10:53:58 -07:00
parent 76237b5e15
commit 739c9a357d
1 changed files with 5 additions and 2 deletions
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7
js/src/jstracer.cpp
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@ -3555,7 +3555,9 @@ bool TraceRecorder::record_JSOP_CALLELEM()
bool TraceRecorder::record_JSOP_STOP() bool TraceRecorder::record_JSOP_STOP()
{ {
// Update this when we implement POPV. // We know falling off the end of a function returns undefined, and we do
// not support script rval (eval, API users who want the result of the last
// expression-statement, debugger API calls).
rval_ins = lir->insImm(JSVAL_TO_BOOLEAN(JSVAL_VOID)); rval_ins = lir->insImm(JSVAL_TO_BOOLEAN(JSVAL_VOID));
clearFrameSlotsFromCache(); clearFrameSlotsFromCache();
return true; return true;
@ -3763,7 +3765,8 @@ bool TraceRecorder::record_JSOP_LENGTH()
ABORT_TRACE("non-string primitives unsupported"); ABORT_TRACE("non-string primitives unsupported");
LIns* str_ins = get(&l); LIns* str_ins = get(&l);
LIns* len_ins = lir->insLoadi(str_ins, offsetof(JSString, length)); LIns* len_ins = lir->insLoadi(str_ins, offsetof(JSString, length));
// We only support flat strings
// We support only flat strings at present.
guard(true, addName(lir->ins_eq0(lir->ins2(LIR_and, len_ins, guard(true, addName(lir->ins_eq0(lir->ins2(LIR_and, len_ins,
INS_CONST(JSSTRFLAG_DEPENDENT))), INS_CONST(JSSTRFLAG_DEPENDENT))),
"guard(flat-string)")); "guard(flat-string)"));