bool ExpressionList::preOutputCPP(CodeGenerator &cg, AnalysisResultPtr ar,
int state) {
if (m_kind == ListKindParam && !m_arrayElements) {
return Expression::preOutputCPP(cg, ar, state|StashKidVars);
}
unsigned n = m_exps.size();
bool inExpression = cg.inExpression();
if (!inExpression && (state & FixOrder)) {
return true;
}
cg.setInExpression(false);
bool ret = false;
if (m_arrayElements) {
/*
* would like to do:
* ret = Expression::preOutputCPP(cg, ar, state);
* but icc has problems with the generated code.
*/
ret = hasEffect();
} else if (n > 1 && m_kind == ListKindLeft) {
ret = true;
} else {
for (unsigned int i = 0; i < n; i++) {
if (m_exps[i]->preOutputCPP(cg, ar, 0)) {
ret = true;
break;
}
}
if (!ret) {
ExpressionPtr e = m_exps[n - 1];
if (hasContext(LValue) && !hasAnyContext(RefValue|InvokeArgument) &&
!(e->hasContext(LValue) &&
!e->hasAnyContext(RefValue|InvokeArgument))) {
ret = true;
} else if (hasContext(RefValue) &&
!e->hasAllContext(LValue|ReturnContext) &&
!e->hasContext(RefValue)) {
ret = true;
}
}
}
if (!inExpression) return ret;
cg.setInExpression(true);
if (!ret) {
if (state & FixOrder) {
preOutputStash(cg, ar, state);
return true;
}
return false;
}
cg.wrapExpressionBegin();
if (m_arrayElements) {
setCPPTemp(genCPPTemp(cg, ar));
outputCPPInternal(cg, ar, true, true);
} else {
unsigned ix = isUnused() ? (unsigned)-1 :
m_kind == ListKindLeft ? 0 : n - 1;
for (unsigned int i = 0; i < n; i++) {
ExpressionPtr e = m_exps[i];
e->preOutputCPP(cg, ar, i == ix ? state : 0);
if (i != ix) {
if (e->outputCPPUnneeded(cg, ar)) {
cg_printf(";\n");
}
e->setCPPTemp("/**/");
continue;
}
/*
We inlined a by-value function into the rhs of a by-ref assignment.
*/
bool noRef = hasContext(RefValue) &&
!e->hasAllContext(LValue|ReturnContext) &&
!e->hasContext(RefValue) &&
!e->isTemporary() &&
Type::IsMappedToVariant(e->getActualType());
/*
If we need a non-const reference, but the expression is
going to generate a const reference, fix it
*/
bool lvSwitch =
hasContext(LValue) && !hasAnyContext(RefValue|InvokeArgument) &&
!(e->hasContext(LValue) &&
!e->hasAnyContext(RefValue|InvokeArgument));
if (e->hasAllContext(LValue|ReturnContext) && i + 1 == n) {
e->clearContext(ReturnContext);
}
if (noRef || lvSwitch || (!i && n > 1)) {
e->Expression::preOutputStash(cg, ar, state | FixOrder | StashAll);
if (!(state & FixOrder)) {
cg_printf("id(%s);\n", e->cppTemp().c_str());
}
}
if (e->hasCPPTemp() &&
Type::SameType(e->getGenType(), getGenType())) {
string t = e->cppTemp();
if (noRef) {
cg_printf("CVarRef %s_nr = wrap_variant(%s);\n",
t.c_str(), t.c_str());
t += "_nr";
}
if (lvSwitch) {
cg_printf("Variant &%s_lv = const_cast<Variant&>(%s);\n",
t.c_str(), t.c_str());
t += "_lv";
}
setCPPTemp(t);
}
}
}
return true;
}
bool ExpressionList::preOutputCPP(CodeGenerator &cg, AnalysisResultPtr ar,
int state) {
if (m_kind == ListKindParam && !m_arrayElements) {
return Expression::preOutputCPP(cg, ar, state|StashKidVars);
}
unsigned n = m_exps.size();
bool inExpression = cg.inExpression();
if (!inExpression && (state & FixOrder)) {
return true;
}
cg.setInExpression(false);
bool ret = false;
if (m_arrayElements) {
/*
* would like to do:
* ret = Expression::preOutputCPP(cg, ar, state);
* but icc has problems with the generated code.
*/
ret = hasEffect();
} else if (n > 1 && m_kind == ListKindLeft) {
ret = true;
} else {
for (unsigned int i = 0; i < n; i++) {
if (m_exps[i]->preOutputCPP(cg, ar, 0)) {
ret = true;
break;
}
}
}
if (!inExpression) return ret;
cg.setInExpression(true);
if (!ret) {
if (state & FixOrder) {
preOutputStash(cg, ar, state);
return true;
}
return false;
}
cg.wrapExpressionBegin();
if (m_arrayElements) {
setCPPTemp(genCPPTemp(cg, ar));
outputCPPInternal(cg, ar, true, true);
} else {
unsigned ix = m_kind == ListKindLeft ? 0 : n - 1;
for (unsigned int i = 0; i < n; i++) {
ExpressionPtr e = m_exps[i];
e->preOutputCPP(cg, ar, i == ix ? state : 0);
if (i != ix) {
if (e->outputCPPUnneeded(cg, ar)) {
cg_printf(";\n");
}
e->setCPPTemp("/**/");
} else if (e->hasCPPTemp() && Type::SameType(e->getType(), getType())) {
setCPPTemp(e->cppTemp());
} else if (!i && n > 1) {
e->Expression::preOutputStash(cg, ar, state | FixOrder);
if (!(state & FixOrder)) {
cg_printf("id(%s);\n", e->cppTemp().c_str());
}
setCPPTemp(e->cppTemp());
}
}
}
return true;
}