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cpp merge (continued)

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git-svn-id: svn://ultimatepp.org/upp/trunk@8428 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2015-05-11 17:14:39 +00:00
parent 49d3de4a8a
commit 83267af440
78 changed files with 2453 additions and 756 deletions
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124
uppdev/cpp2/macro.cpp
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@ -1,124 +0,0 @@
#include "cpp.h"
inline bool IsSpc(byte c)
{
return c > 0 && c <= 32;
}
String CppMacro::Define(const char *s)
{
CParser p(s);
String id;
try {
if(!p.IsId())
return Null;
id = p.ReadId();
param.Clear();
if(p.Char('(')) {
while(p.IsId()) {
if(param.GetCount())
param << ",";
param << p.ReadId();
p.Char(',');
}
if(p.Char3('.', '.', '.'))
param << '.';
p.Char(')');
}
body = p.GetPtr();
}
catch(CParser::Error) {
return Null;
}
return id;
}
String CppMacro::ToString() const
{
String r;
if(param.GetCount()) {
String h = param;
h.Replace(".", "...");
r << "(" << h << ")";
}
r << ' ' << body;
return r;
}
String CppMacro::Expand(const Vector<String>& p) const
{
String r;
const char *s = body;
String pp = param;
bool variadic = false;
if(*pp.Last() == '.') {
variadic = true;
pp.Trim(pp.GetCount() - 1);
}
Index<String> param(pick(Split(pp, ',')));
while(*s) {
if(IsAlpha(*s) || *s == '_') {
const char *b = s;
s++;
while(IsAlNum(*s) || *s == '_')
s++;
String id(b, s);
static String VA_ARGS("__VA_ARGS__"); // Speed optimization
if(id == VA_ARGS) {
bool next = false;
for(int i = param.GetCount(); i < p.GetCount(); i++) {
if(next)
r.Cat(", ");
r.Cat(p[i]);
next = true;
}
}
else {
int q = param.Find(id);
if(q >= 0) {
if(q < p.GetCount())
r.Cat(p[q]);
}
else
r.Cat(id);
}
continue;
}
if(s[0] == '#' && s[1] == '#') {
int q = r.GetLength();
while(q > 0 && IsSpc(r[q - 1]))
q--;
r.Trim(q);
s += 2;
while((byte)*s <= ' ')
s++;
continue;
}
if(*s == '#') {
const char *ss = s + 1;
while(IsSpc(*ss))
ss++;
if(IsAlpha(*ss) || *ss == '_') {
const char *b = ss;
ss++;
while(IsAlNum(*ss) || *ss == '_')
ss++;
String id(b, ss);
int q = param.Find(id);
if(q >= 0) {
if(q <= p.GetCount()) {
if(q < p.GetCount())
r.Cat(AsCString(p[q]));
s = ss;
continue;
}
}
r.Cat(String(s, ss));
s = ss;
continue;
}
}
r.Cat(*s++);
}
return r;
}