mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-16 06:05:58 -06:00
289 lines
No EOL
8.3 KiB
C++
289 lines
No EOL
8.3 KiB
C++
#include "CppBase.h"
|
|
|
|
#if 0
|
|
#define LDUMP(x) DDUMP(x)
|
|
#define LDUMPC(x) DDUMPC(x)
|
|
#define LLOG(x) DLOG(x)
|
|
#else
|
|
#define LDUMP(x)
|
|
#define LDUMPC(x)
|
|
#define LLOG(x)
|
|
#endif
|
|
|
|
#define LTIMING(x) // DTIMING(x)
|
|
|
|
namespace Upp {
|
|
|
|
const Array<CppItem>& GetTypeItems(const CppBase& codebase, const String& type)
|
|
{
|
|
static Array<CppItem> sEmpty;
|
|
int q = codebase.Find(type);
|
|
if(q < 0)
|
|
return sEmpty;
|
|
return codebase[q];
|
|
}
|
|
|
|
String ParseTemplatedType(const String& type, Vector<String>& tparam)
|
|
{
|
|
const char *s = type;
|
|
String r;
|
|
while(*s) {
|
|
if(*s == '<') {
|
|
s++;
|
|
int lvl = 0;
|
|
String t;
|
|
while(*s) {
|
|
int c = *s++;
|
|
if(c == ',' && lvl == 0) {
|
|
tparam.Add(t);
|
|
t.Clear();
|
|
}
|
|
else {
|
|
if(c == '>') {
|
|
if(lvl == 0)
|
|
break;
|
|
lvl--;
|
|
}
|
|
if(c == '<')
|
|
lvl++;
|
|
t.Cat(c);
|
|
}
|
|
}
|
|
tparam.Add(t);
|
|
break;
|
|
}
|
|
else
|
|
r.Cat(*s++);
|
|
}
|
|
LLOG("ParseTemplatedType " << type << " -> " << r);
|
|
LDUMPC(tparam);
|
|
return r;
|
|
}
|
|
|
|
String ResolveTParam(const CppBase& codebase, const String& type, const Vector<String>& tparam)
|
|
{
|
|
LLOG("ResolveTParam " << type << ' ' << tparam);
|
|
String r;
|
|
const char *s = type;
|
|
while(*s) {
|
|
if(IsDigit(*s)) {
|
|
int i = *s++ - '0';
|
|
if(i >= 0 && i < tparam.GetCount())
|
|
r.Cat(tparam[i]);
|
|
}
|
|
else
|
|
if(iscib(*s))
|
|
while(iscid(*s))
|
|
r.Cat(*s++);
|
|
else
|
|
r.Cat(*s++);
|
|
}
|
|
LLOG("Resolved " << type << " -> " << r);
|
|
const Array<CppItem>& x = GetTypeItems(codebase, r);
|
|
if(x.GetCount() && x[0].kind == TYPEDEF) {
|
|
LLOG("Is typedef " << x[0].qtype << ';' << x[0].type << ';' << x[0].natural);
|
|
String h = x[0].qtype;
|
|
if(h != type && h != r)
|
|
return ResolveTParam(codebase, h, tparam);
|
|
return h;
|
|
}
|
|
return r;
|
|
}
|
|
|
|
void ResolveTParam(const CppBase& codebase, Vector<String>& type, const Vector<String>& tparam)
|
|
{
|
|
for(int i = 0; i < type.GetCount(); i++)
|
|
type[i] = ResolveTParam(codebase, type[i], tparam);
|
|
}
|
|
|
|
struct ExpressionTyper {
|
|
const CppBase& codebase;
|
|
int scan_counter; // limit permutations
|
|
String context_type;
|
|
String usings;
|
|
const Vector<String>& xp;
|
|
Index<String> typeset;
|
|
const Parser& parser;
|
|
|
|
Vector<String> GetTypeBases(const String& type);
|
|
String ResolveReturnType(const CppItem& m, const Vector<String>& tparam);
|
|
|
|
void ExpressionType(const String& ttype, int ii,
|
|
bool variable, bool can_shortcut_operator,
|
|
Index<String>& visited_bases, int lvl);
|
|
void ExpressionType(const String& ttype, int ii, bool variable, int lvl);
|
|
|
|
Index<String> ExpressionType();
|
|
|
|
ExpressionTyper(const CppBase& codebase, const Parser& parser, const Vector<String>& xp);
|
|
};
|
|
|
|
ExpressionTyper::ExpressionTyper(const CppBase& codebase, const Parser& parser, const Vector<String>& xp)
|
|
: codebase(codebase), parser(parser), xp(xp)
|
|
{
|
|
scan_counter = 0;
|
|
context_type = parser.current_scope;
|
|
usings = parser.context.namespace_using;
|
|
}
|
|
|
|
Vector<String> ExpressionTyper::GetTypeBases(const String& type)
|
|
{
|
|
const Array<CppItem>& n = GetTypeItems(codebase, type);
|
|
String bases;
|
|
for(int i = 0; i < n.GetCount(); i++) {
|
|
const CppItem& im = n[i];
|
|
if(im.IsType())
|
|
bases << im.qptype << ';';
|
|
}
|
|
Index<String> r;
|
|
Vector<String> h = Split(bases, ';');
|
|
for(int i = 0; i < h.GetCount(); i++)
|
|
r.FindAdd(h[i]);
|
|
return r.PickKeys();
|
|
}
|
|
|
|
String ExpressionTyper::ResolveReturnType(const CppItem& m, const Vector<String>& tparam)
|
|
{
|
|
if(m.tparam.GetCount()) {
|
|
int q = InScListIndex(m.qtype, m.tname);
|
|
if(q >= 0 && q < tparam.GetCount())
|
|
return tparam[q];
|
|
}
|
|
return m.qtype;
|
|
}
|
|
|
|
void ExpressionTyper::ExpressionType(const String& ttype, int ii,
|
|
bool variable, bool can_shortcut_operator,
|
|
Index<String>& visited_bases, int lvl)
|
|
{
|
|
LLOG("--- ExpressionType " << scan_counter << ", lvl " << lvl << ", ttype " << ttype);
|
|
if(++scan_counter > 1000 || lvl > 100) // sort of ugly limitation of parsing permutations
|
|
return;
|
|
if(ii >= xp.GetCount()) {
|
|
LLOG("--- Final type: " << ttype);
|
|
typeset.FindAdd(ttype);
|
|
return;
|
|
}
|
|
LDUMP(ii);
|
|
LDUMP(xp[ii]);
|
|
LDUMP(can_shortcut_operator);
|
|
Vector<String> tparam;
|
|
String type = ParseTemplatedType(ttype, tparam);
|
|
int c0 = typeset.GetCount();
|
|
const Array<CppItem>& n = GetTypeItems(codebase, type);
|
|
LDUMP(type);
|
|
LDUMP(tparam);
|
|
if(codebase.namespaces.Find(ttype) < 0 && ttype.GetCount()) // do not search for namespace typedefs
|
|
for(int i = 0; i < n.GetCount(); i++)
|
|
if(n[i].kind == TYPEDEF) {
|
|
LLOG("typedef -> " << n[i].qtype);
|
|
ExpressionType(n[i].qtype, ii, variable, can_shortcut_operator, visited_bases, lvl + 1);
|
|
return;
|
|
}
|
|
String id = xp[ii];
|
|
int q = id.ReverseFind(':');
|
|
if(q > 0 && id[q - 1] == ':') {
|
|
type = ResolveTParam(codebase, Qualify(codebase, ttype, id.Mid(0, q - 1), usings), tparam);
|
|
id = id.Mid(q + 1);
|
|
}
|
|
if(id.Find('<') >= 0) // as in Single<Display>
|
|
id = ParseTemplatedType(id, tparam);
|
|
LLOG("ExpressionType " << type << " ii: " << ii << " id:" << id << " variable:" << variable);
|
|
|
|
for(int i = 0; i < tparam.GetCount(); i++) // need to qualify template parameters
|
|
tparam[i] = Qualify(codebase, context_type, tparam[i], usings);
|
|
|
|
bool shortcut_oper = false;
|
|
if(!iscid(*id) && *id != '.') {
|
|
shortcut_oper = can_shortcut_operator;
|
|
id = "operator" + id;
|
|
LLOG("id as: " << id);
|
|
}
|
|
if(*id == '.' || (!variable && !iscid(*id))) {
|
|
LLOG(". " << ttype);
|
|
ExpressionType(ttype, ii + 1, false, lvl + 1);
|
|
return;
|
|
}
|
|
LDUMP(id);
|
|
Index<String> done;
|
|
for(int i = 0; i < n.GetCount(); i++) {
|
|
const CppItem& m = n[i];
|
|
if(m.name == id) {
|
|
LLOG("Member " << m.qtype << " " << m.name);
|
|
String t = ResolveReturnType(m, tparam);
|
|
if(done.Find(t) < 0) {
|
|
bool skipfnpars = m.IsCode() && ii + 1 < xp.GetCount() && xp[ii + 1] == "()";
|
|
ExpressionType(ResolveTParam(codebase, t, tparam), ii + skipfnpars + 1,
|
|
m.IsData() && !m.isptr, lvl + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(typeset.GetCount() != c0 || IsNull(type))
|
|
return;
|
|
Vector<String> base = GetTypeBases(type);
|
|
LDUMPC(base);
|
|
ResolveTParam(codebase, base, tparam);
|
|
LDUMPC(base);
|
|
for(int i = 0; i < base.GetCount(); i++)
|
|
if(visited_bases.Find(base[i]) < 0) {
|
|
visited_bases.Add(base[i]);
|
|
ExpressionType(base[i], ii, variable, false, visited_bases, lvl + 1);
|
|
if(typeset.GetCount() != c0)
|
|
return;
|
|
}
|
|
|
|
if(shortcut_oper) {
|
|
LLOG("Shortcut " << xp[ii] << ", ttype " << ttype);
|
|
ExpressionType(ttype, ii + 1, false, lvl + 1);
|
|
}
|
|
}
|
|
|
|
void ExpressionTyper::ExpressionType(const String& ttype, int ii, bool variable, int lvl)
|
|
{
|
|
Index<String> bases;
|
|
ExpressionType(ttype, ii, false, true, bases, 0);
|
|
}
|
|
|
|
Index<String> ExpressionTyper::ExpressionType()
|
|
{
|
|
LLOG("**** ExpressionType " << xp);
|
|
String type;
|
|
if(xp.GetCount() == 0)
|
|
return typeset;
|
|
if(xp[0] == "this") {
|
|
LLOG("this: " << type);
|
|
ExpressionType(context_type, 1, false, 0);
|
|
return typeset;
|
|
}
|
|
int q = parser.local.FindLast(xp[0]);
|
|
if(q >= 0) {
|
|
String type = Qualify(codebase, context_type, parser.local[q].type, parser.context.namespace_using);
|
|
LLOG("Found type local: " << type << " in scope: " << context_type);
|
|
ExpressionType(type, 1, !parser.local[q].isptr, 0);
|
|
return typeset;
|
|
}
|
|
ExpressionType(context_type, 0, false, 0);
|
|
if(typeset.GetCount())
|
|
return typeset;
|
|
if(xp.GetCount() >= 2 && xp[1] == "()") {
|
|
String qtype = Qualify(codebase, context_type, xp[0], parser.context.namespace_using);
|
|
Vector<String> tparam;
|
|
if(codebase.Find(ParseTemplatedType(qtype, tparam)) >= 0) {
|
|
LLOG("Is constructor " << qtype);
|
|
ExpressionType(qtype, 2, false, 0);
|
|
return typeset;
|
|
}
|
|
}
|
|
Vector<String> ns = parser.GetNamespaces();
|
|
for(int i = 0; i < ns.GetCount(); i++)
|
|
ExpressionType(ns[i], 0, false, 0);
|
|
return typeset;
|
|
}
|
|
|
|
Index<String> GetExpressionType(const CppBase& codebase, const Parser& parser, const Vector<String>& xp)
|
|
{ // xp is a list of meaningful parts like "foo", "." , "Fn", "()", "->", "m", "[]"
|
|
return ExpressionTyper(codebase, parser, xp).ExpressionType();
|
|
}
|
|
|
|
}; |