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playing with gencode

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This commit is contained in:
rogerl%netscape.com 2000-05-09 19:01:00 +00:00
parent a4dea03835
commit f1ae8af483
2 changed files with 116 additions and 66 deletions
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91
js/js2/js2.cpp
View File

@ -83,41 +83,78 @@ static bool promptLine(LineReader &inReader, string &s,
JavaScript::World world;
JavaScript::Debugger::Shell jsd(world, stdin, JavaScript::stdOut,
JavaScript::stdOut);
const bool showTokens = false;
static Register genExpr(ICodeGenerator &icg, ExprNode *p)
{
Register ret;
Register ret = NotARegister;
switch (p->getKind()) {
case ExprNode::identifier : {
Register r1 = icg.allocateVariable((static_cast<IdentifierExprNode *>(p))->name);
ASSERT(r1 == icg.findVariable((static_cast<IdentifierExprNode *>(p))->name));
icg.saveName((static_cast<IdentifierExprNode *>(p))->name, icg.loadImmediate(0.0));
ret = icg.loadName((static_cast<IdentifierExprNode *>(p))->name);
case ExprNode::call :
{
InvokeExprNode *i = static_cast<InvokeExprNode *>(p);
Register fn = genExpr(icg, i->op);
RegisterList args;
ExprPairList *p = i->pairs;
while (p) {
args.push_back(genExpr(icg, p->value));
p = p->next;
}
break;
case ExprNode::number :
ret = icg.loadImmediate((static_cast<NumberExprNode *>(p))->value);
break;
case ExprNode::string :
ret = icg.loadString(world.identifiers[(static_cast<StringExprNode *>(p))->str]);
break;
case ExprNode::add: {
BinaryExprNode *b = static_cast<BinaryExprNode *>(p);
Register r1 = genExpr(icg, b->op1);
Register r2 = genExpr(icg, b->op2);
ret = icg.op(ADD, r1, r2);
}
break;
ret = icg.call(fn, args);
}
break;
case ExprNode::dot :
{
BinaryExprNode *b = static_cast<BinaryExprNode *>(p);
Register base = genExpr(icg, b->op1);
ret = icg.getProperty(base, static_cast<IdentifierExprNode *>(b->op2)->name);
}
break;
case ExprNode::identifier :
{
// Register r1 = icg.allocateVariable((static_cast<IdentifierExprNode *>(p))->name);
// ASSERT(r1 == icg.findVariable((static_cast<IdentifierExprNode *>(p))->name));
// icg.saveName((static_cast<IdentifierExprNode *>(p))->name, icg.loadImmediate(0.0));
ret = icg.loadName((static_cast<IdentifierExprNode *>(p))->name);
}
break;
case ExprNode::number :
ret = icg.loadImmediate((static_cast<NumberExprNode *>(p))->value);
break;
case ExprNode::string :
ret = icg.loadString(world.identifiers[(static_cast<StringExprNode *>(p))->str]);
break;
case ExprNode::add:
{
BinaryExprNode *b = static_cast<BinaryExprNode *>(p);
Register r1 = genExpr(icg, b->op1);
Register r2 = genExpr(icg, b->op2);
ret = icg.op(ADD, r1, r2);
}
break;
}
return ret;
}
static JSValue print(const JSValues &argv)
{
size_t n = argv.size();
if (n > 0) {
stdOut << argv[0];
for (size_t i = 1; i < n; ++i)
stdOut << ' ' << argv[i];
}
stdOut << "\n";
return kUndefinedValue;
}
static void genCode(ExprNode *p)
{
JSScope glob;
Context cx(world, &glob);
StringAtom& printName = world.identifiers[widenCString("print")];
glob.defineNativeFunction(printName, print);
ICodeGenerator icg;
@ -384,18 +421,6 @@ static float64 testFunctionCall(World &world, float64 n)
return result.f64;
}
static JSValue print(const JSValues &argv)
{
size_t n = argv.size();
if (n > 0) {
stdOut << argv[0];
for (size_t i = 1; i < n; ++i)
stdOut << ' ' << argv[i];
}
stdOut << "\n";
return kUndefinedValue;
}
static void testPrint(World &world)
{
JSScope glob;

91
js2/tests/cpp/js2_shell.cpp
View File

@ -83,41 +83,78 @@ static bool promptLine(LineReader &inReader, string &s,
JavaScript::World world;
JavaScript::Debugger::Shell jsd(world, stdin, JavaScript::stdOut,
JavaScript::stdOut);
const bool showTokens = false;
static Register genExpr(ICodeGenerator &icg, ExprNode *p)
{
Register ret;
Register ret = NotARegister;
switch (p->getKind()) {
case ExprNode::identifier : {
Register r1 = icg.allocateVariable((static_cast<IdentifierExprNode *>(p))->name);
ASSERT(r1 == icg.findVariable((static_cast<IdentifierExprNode *>(p))->name));
icg.saveName((static_cast<IdentifierExprNode *>(p))->name, icg.loadImmediate(0.0));
ret = icg.loadName((static_cast<IdentifierExprNode *>(p))->name);
case ExprNode::call :
{
InvokeExprNode *i = static_cast<InvokeExprNode *>(p);
Register fn = genExpr(icg, i->op);
RegisterList args;
ExprPairList *p = i->pairs;
while (p) {
args.push_back(genExpr(icg, p->value));
p = p->next;
}
break;
case ExprNode::number :
ret = icg.loadImmediate((static_cast<NumberExprNode *>(p))->value);
break;
case ExprNode::string :
ret = icg.loadString(world.identifiers[(static_cast<StringExprNode *>(p))->str]);
break;
case ExprNode::add: {
BinaryExprNode *b = static_cast<BinaryExprNode *>(p);
Register r1 = genExpr(icg, b->op1);
Register r2 = genExpr(icg, b->op2);
ret = icg.op(ADD, r1, r2);
}
break;
ret = icg.call(fn, args);
}
break;
case ExprNode::dot :
{
BinaryExprNode *b = static_cast<BinaryExprNode *>(p);
Register base = genExpr(icg, b->op1);
ret = icg.getProperty(base, static_cast<IdentifierExprNode *>(b->op2)->name);
}
break;
case ExprNode::identifier :
{
// Register r1 = icg.allocateVariable((static_cast<IdentifierExprNode *>(p))->name);
// ASSERT(r1 == icg.findVariable((static_cast<IdentifierExprNode *>(p))->name));
// icg.saveName((static_cast<IdentifierExprNode *>(p))->name, icg.loadImmediate(0.0));
ret = icg.loadName((static_cast<IdentifierExprNode *>(p))->name);
}
break;
case ExprNode::number :
ret = icg.loadImmediate((static_cast<NumberExprNode *>(p))->value);
break;
case ExprNode::string :
ret = icg.loadString(world.identifiers[(static_cast<StringExprNode *>(p))->str]);
break;
case ExprNode::add:
{
BinaryExprNode *b = static_cast<BinaryExprNode *>(p);
Register r1 = genExpr(icg, b->op1);
Register r2 = genExpr(icg, b->op2);
ret = icg.op(ADD, r1, r2);
}
break;
}
return ret;
}
static JSValue print(const JSValues &argv)
{
size_t n = argv.size();
if (n > 0) {
stdOut << argv[0];
for (size_t i = 1; i < n; ++i)
stdOut << ' ' << argv[i];
}
stdOut << "\n";
return kUndefinedValue;
}
static void genCode(ExprNode *p)
{
JSScope glob;
Context cx(world, &glob);
StringAtom& printName = world.identifiers[widenCString("print")];
glob.defineNativeFunction(printName, print);
ICodeGenerator icg;
@ -384,18 +421,6 @@ static float64 testFunctionCall(World &world, float64 n)
return result.f64;
}
static JSValue print(const JSValues &argv)
{
size_t n = argv.size();
if (n > 0) {
stdOut << argv[0];
for (size_t i = 1; i < n; ++i)
stdOut << ' ' << argv[i];
}
stdOut << "\n";
return kUndefinedValue;
}
static void testPrint(World &world)
{
JSScope glob;