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#include "stdafx.h"
#include "NamePart.h"
#include "Core/SrcPos.h"
#include "Scope.h"
#include "Name.h"
#include "Type.h"
#include "Core/Str.h"
#include "Core/StrBuf.h"
#include "Core/CloneEnv.h"
#include "NameSet.h"
#include "Exception.h"
#include <limits>
namespace storm {
NamePart::NamePart(Str *name) : name(name) {}
NamePart::NamePart(const wchar *name) : name(new (engine()) Str(name)) {}
NamePart::NamePart(const NamePart &o) : ObjectOn<Compiler>(o), name(o.name) {}
SimplePart *NamePart::find(Scope scope) {
return new (this) SimplePart(name);
}
void NamePart::toS(StrBuf *to) const {
*to << name;
}
/**
* SimplePart.
*/
SimplePart::SimplePart(Str *name) : NamePart(name), params(new (engine()) Array<Value>()) {}
SimplePart::SimplePart(syntax::SStr *name) : NamePart(name->v), params(new (engine()) Array<Value>()) {}
SimplePart::SimplePart(const wchar *name) : NamePart(name), params(new (engine()) Array<Value>()) {}
SimplePart::SimplePart(Str *name, Array<Value> *params) : NamePart(name), params(params) {}
SimplePart::SimplePart(Str *name, Value param) : NamePart(name), params(new (engine()) Array<Value>(1, param)) {}
SimplePart::SimplePart(const SimplePart &o) : NamePart(o), params(new (engine()) Array<Value>(*o.params)) {}
SimplePart *SimplePart::find(Scope scope) {
return this;
}
Int SimplePart::matches(Named *candidate, Scope source) const {
Array<Value> *c = candidate->params;
if (c->count() != params->count())
return -1;
int distance = 0;
for (nat i = 0; i < c->count(); i++) {
const Value &match = c->at(i);
const Value &ours = params->at(i);
if (match == Value() && ours != Value())
return -1;
if (!match.matches(ours, candidate->flags))
return -1;
if (ours.type && match.type)
distance += ours.type->distanceFrom(match.type);
}
return distance;
}
MAYBE(SimplePart *) SimplePart::nextOption() const {
return null;
}
Bool SimplePart::scopeParam(Nat id) const {
return false;
}
Bool SimplePart::visible(Named *candidate, Scope source) const {
return candidate->visibleFrom(source);
}
static void outputPart(StrBuf *to, const Value &v) {
if (v.type)
v.type->safePath()->toS(to);
else
*to << S("void");
if (v.ref)
*to << S("&");
}
void SimplePart::toS(StrBuf *to) const {
*to << name;
if (params != null && params->count() > 0) {
*to << L"(";
outputPart(to, params->at(0));
for (nat i = 1; i < params->count(); i++) {
*to << L", ";
outputPart(to, params->at(i));
}
*to << L")";
}
}
Bool SimplePart::sameAs(const SimplePart *o) const {
if (!sameType(this, o))
return false;
if (*name != *o->name)
return false;
if (params->count() != o->params->count())
return false;
for (Nat i = 0; i < params->count(); i++)
if (params->at(i) != o->params->at(i))
return false;
return true;
}
/**
* RecPart.
*/
RecPart::RecPart(Str *name) : NamePart(name), params(new (engine()) Array<Name *>()) {}
RecPart::RecPart(syntax::SStr *name) : NamePart(name->v), params(new (engine()) Array<Name *>()) {}
RecPart::RecPart(Str *name, Array<Name *> *params) : NamePart(name), params(params) {}
RecPart::RecPart(const RecPart &o) : NamePart(o), params(new (engine()) Array<Name *>(*o.params)) {}
SimplePart *RecPart::find(Scope scope) {
Array<Value> *v = new (this) Array<Value>();
v->reserve(params->count());
try {
for (nat i = 0; i < params->count(); i++) {
Name *n = params->at(i);
if (SrcName *s = as<SrcName>(n)) {
v->push(scope.value(s, s->pos));
} else {
v->push(scope.value(n, SrcPos()));
}
}
} catch (const CodeError *) {
// It seems like a compilation error, propagate it further now. Otherwise, we get really
// strange error messages in some cases (e.g. type X not found due to a compilation
// error inside that type).
throw;
} catch (const Exception *) {
// Return null as per specification.
return null;
}
return new (this) SimplePart(name, v);
}
void RecPart::toS(StrBuf *to) const {
*to << name;
if (params->count() > 0) {
*to << L"(" << params->at(0);
for (nat i = 1; i < params->count(); i++)
*to << L", " << params->at(i);
*to << L")";
}
}
}
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