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StackedValue improvements

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q66 2016-08-12 04:01:29 +01:00
parent 0df0f41507
commit cd68185f40
1 changed files with 24 additions and 10 deletions
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34
cubescript.hh
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@ -446,40 +446,54 @@ enum {
OSTD_EXPORT void init_libs(CsState &cs, int libs = CS_LIB_ALL); OSTD_EXPORT void init_libs(CsState &cs, int libs = CS_LIB_ALL);
struct OSTD_EXPORT StackedValue: TaggedValue { struct OSTD_EXPORT StackedValue: TaggedValue {
Ident *id; StackedValue() = delete;
StackedValue(Ident *idv = nullptr): StackedValue(CsState &cs, Ident *id = nullptr):
TaggedValue(), id(idv), p_stack(), p_pushed(false) TaggedValue(), p_cs(cs), p_id(id), p_stack(), p_pushed(false)
{} {}
~StackedValue() { ~StackedValue() {
pop(); pop();
} }
bool alias(CsState &cs, ostd::ConstCharRange name) { bool alias(Ident *id) {
id = cs.new_ident(name); p_id = id;
return id && id->is_alias(); return p_id && p_id->is_alias();
}
bool alias(ostd::ConstCharRange name) {
return alias(p_cs.new_ident(name));
} }
bool push() { bool push() {
if (p_pushed || !id) { if (p_pushed || !p_id) {
return false; return false;
} }
id->push_arg(*this, p_stack); p_id->push_arg(*this, p_stack);
p_pushed = true; p_pushed = true;
return true; return true;
} }
bool pop() { bool pop() {
if (!p_pushed || !id) { if (!p_pushed || !p_id) {
return false; return false;
} }
id->pop_arg(); p_id->pop_arg();
p_pushed = false; p_pushed = false;
return true; return true;
} }
Ident *get_id() const {
return p_id;
}
bool has_id() const {
return p_id != nullptr;
}
private: private:
CsState &p_cs;
Ident *p_id;
IdentStack p_stack; IdentStack p_stack;
bool p_pushed; bool p_pushed;
}; };