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JSArray::elements(1), operator[](const JSValue&), fixed register-indexing.

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git-svn-id: svn://10.0.0.236/trunk@65534 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
beard%netscape.com 2000-04-08 04:12:28 +00:00
parent 11ffde7160
commit 914d7a51de
2 changed files with 12 additions and 6 deletions
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9
mozilla/js/js2/interpreter.cpp
View File

@ -61,9 +61,12 @@ private:
class JSArray : public JSObject {
public:
void* operator new(size_t) { return alloc.allocate(1, 0); }
JSArray() : elements(1) {}
uint32 length() { return elements.size(); }
JSValue& operator[](uint32 n)
JSValue& operator[](const JSValue& index)
{
// for now, we can only handle f64 index values.
uint32 n = (uint32)index.f64;
// obviously, a sparse representation might be better.
uint32 size = elements.size();
if (n >= size) resize(n, size);
@ -164,14 +167,14 @@ JSValue interpret(ICodeModule *iCode, const JSValues& args)
{
GetElement* ge = static_cast<GetElement*>(instruction);
JSArray* array = registers[src1(ge)].array;
registers[dst(ge)] = (*array)[src2(ge)];
registers[dst(ge)] = (*array)[registers[src2(ge)]];
}
break;
case SET_ELEMENT:
{
SetElement* se = static_cast<SetElement*>(instruction);
JSArray* array = registers[dst(se)].array;
(*array)[src1(se)] = registers[src2(se)];
(*array)[registers[src1(se)]] = registers[src2(se)];
}
break;
case LOAD_IMMEDIATE:

9
mozilla/js2/src/interpreter.cpp
View File

@ -61,9 +61,12 @@ private:
class JSArray : public JSObject {
public:
void* operator new(size_t) { return alloc.allocate(1, 0); }
JSArray() : elements(1) {}
uint32 length() { return elements.size(); }
JSValue& operator[](uint32 n)
JSValue& operator[](const JSValue& index)
{
// for now, we can only handle f64 index values.
uint32 n = (uint32)index.f64;
// obviously, a sparse representation might be better.
uint32 size = elements.size();
if (n >= size) resize(n, size);
@ -164,14 +167,14 @@ JSValue interpret(ICodeModule *iCode, const JSValues& args)
{
GetElement* ge = static_cast<GetElement*>(instruction);
JSArray* array = registers[src1(ge)].array;
registers[dst(ge)] = (*array)[src2(ge)];
registers[dst(ge)] = (*array)[registers[src2(ge)]];
}
break;
case SET_ELEMENT:
{
SetElement* se = static_cast<SetElement*>(instruction);
JSArray* array = registers[dst(se)].array;
(*array)[src1(se)] = registers[src2(se)];
(*array)[registers[src1(se)]] = registers[src2(se)];
}
break;
case LOAD_IMMEDIATE: