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And cleaned up the item class, turning it into a Function class.

This commit is contained in:
Pietro Gagliardi 2018-05-27 20:17:35 -04:00
parent 620b03f442
commit a1a20837cd
1 changed files with 76 additions and 51 deletions
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127
windows/tools/hresultwrap.cpp
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@ -6,73 +6,98 @@
namespace {
class items {
public:
class Function {
ByteSlice name;
ByteSlice callingConvention;
std::vector<ByteSlice> params;
ByteSlice returns;
bool keepReturn;
ByteSlice cond[2];
public:
Function(ByteSlice line);
ByteSlice Signature(void) const;
};
Function::Function(ByteSlice line)
{
std::vector<ByteSlice> fields;
size_t start;
fields = ByteSliceFields(line);
this->returns = fields[0];
this->keepReturn = false;
if (this->returns.Data()[0] == '*') {
this->returns = this->returns.Slice(1, this->returns.Len());
this->keepReturn = true;
}
start = 2;
this->name = fields[1];
if (fields.size() % 2 == 1) {
start = 3;
this->callingConvention = fields[1];
this->name = fields[2];
}
this->cond[1] = fields.back();
fields.pop_back();
this->cond[0] = fields.back();
fields.pop_back();
this->params = std::vector<ByteSlice>(fields.begin() + start, fields.end());
}
#define nfuncoutbuf 256
ByteSlice Function::Signature(void) const
{
ByteSlice out;
size_t i;
out = ByteSlice(0, nfuncoutbuf);
out = out.AppendString(u8"HRESULT ");
if (this->callingConvention.Len() != 0) {
out = out.Append(this->callingConvention);
out = out.AppendString(u8" ");
}
out = out.Append(this->name);
out = out.AppendString(u8"(");
for (i = 0; i < this->params.size(); i += 2) {
out = out.Append(this->params[i]);
out = out.AppendString(u8" ");
out = out.Append(this->params[i + 1]);
out = out.AppendString(u8", ");
}
if (this->keepReturn) {
out = out.Append(this->returns);
out = out.AppendString(u8" *ret");
} else if (this->params.size() != 0)
// remove the trailing comma and space
out = out.Slice(0, out.Len() - 2);
else
out = out.AppendString(u8"void");
out = out.AppendString(u8")\n");
return out;
}
#define noutbuf 2048
bool generate(ByteSlice line, FILE *fout)
{
ByteSlice genout;
std::vector<ByteSlice> tokens;
size_t i, j;
items item;
Function *f;
size_t nw;
tokens = ByteSliceFields(line);
i = 0;
item.returns = tokens.at(i);
item.keepReturn = false;
if (item.returns.Data()[0] == '*') {
item.returns = item.returns.Slice(1, item.returns.Len());
item.keepReturn = true;
}
i++;
if (tokens.size() % 2 == 1) {
item.callingConvention = tokens.at(i);
i++;
}
item.name = tokens.at(i);
i++;
item.cond[0] = tokens.at(tokens.size() - 2);
item.cond[1] = tokens.at(tokens.size() - 1);
item.params.reserve((tokens.size() - 2) - i);
for (j = 0; j < item.params.capacity(); j++) {
item.params.push_back(tokens.at(i));
i++;
}
genout = ByteSlice(0, noutbuf);
genout = genout.AppendString("HRESULT ");
if (item.callingConvention.Len() != 0) {
genout = genout.Append(item.callingConvention);
genout = genout.AppendString(" ");
}
genout = genout.Append(item.name);
genout = genout.AppendString("(");
for (i = 0; i < item.params.size(); i += 2) {
genout = genout.Append(item.params[i]);
genout = genout.AppendString(" ");
genout = genout.Append(item.params[i + 1]);
genout = genout.AppendString(", ");
}
if (item.keepReturn) {
genout = genout.Append(item.returns);
genout = genout.AppendString(" *ret");
} else if (item.params.size() != 0)
// remove the trailing comma and space
genout = genout.Slice(0, genout.Len() - 2);
else
genout = genout.AppendString("void");
genout = genout.AppendString(")\n");
f = new Function(line);
genout = genout.Append(f->Signature());
delete f;
genout = genout.AppendString("\n");
nw = fwrite(genout.Data(), sizeof (char), genout.Len(), fout);