bool IsValidIdentifier(const char *Str)
{
if (!isidentf(Str[0]))
return false;
while (char c = *Str++)
if (!isident(c))
return false;
return true;
}
bool is_template(const char *text)
{
if(*text == '<')
{
const char *p = comment(text + 1);
return isidentf(*p);
}
return false;
} /* is_template */
void ScanForFunctions(CLanguageProxy& proxy)
{
const char* text = proxy.Text(), *max = text + proxy.Size();
char* scope = (char*)"file";
if (*max != 0)
return;
while (text < max)
{
text = comment(text, false);
switch (*text)
{
case 0:
return;
case '\'':
text = skip(text + 1, '\'');
break;
case '"':
text = skip(text + 1, '"');
break;
case '(':
case '{':
case '[':
text = parens(text + 1, *text);
break;
case '#':
text = preprocessor(text + 1, proxy);
break;
default:
if (isidentf(*text))
text = ident(text, proxy, scope);
else
text++;
break;
}
}
} /* ScanForFunctions */
const char *ident(const char *text, CLanguageProxy& proxy, char *&scope)
{
const char *start = text, *id = start;
char nameBuf[kMaxNameSize], *name = nameBuf;
int size = 0, offset = start - proxy.Text();
bool destructor = false;
while (isident(*text))
name_append(text, name, size);
*name = 0;
text = comment(text);
if (strcmp(nameBuf, "extern") == 0)
return i_extern(text);
else if (strcmp(nameBuf, "header") == 0) {
// first add "header"
while (!isspace(*text)) {
name_append(text, name, size);
}
// then a space
*name++ = ' ';
// skip past the double quote
text = skip(text, '"');
// save the identifier location
start = text;
// put in the identifier [up to next quote]
while (*text != '"')
name_append(text, name, size);
// terminate
*name = 0;
// add it
char match[256];
long l = std::min((long)255, text - start);
strncpy(match, start, l);
match[l] = 0;
if (proxy.Types())
proxy.AddFunction(nameBuf, match, offset, false);
// walk past the double quote
text++;
// eat the code
text = parens(text + 1, '{');
return text;
}
else if (strcmp(nameBuf, "options") == 0) {
// first add the scope label
for (char * c = scope ; (size < kMaxNameSize) ; size++) {
if (*c == '\0') break;
*name++ = *c++;
}
// then a space
*name++ = ' ';
// save the "options" location
start = text;
// then add "options"
while (!isspace(*text)) {
name_append(text, name, size);
}
// terminate
*name = 0;
// add it
char match[256];
long l = std::min((long)255, text - start);
strncpy(match, start, l);
match[l] = 0;
if (proxy.Types())
proxy.AddFunction(nameBuf, match, offset, false);
// walk past the double quote
text++;
// eat the code
text = parens(text + 1, '{');
return text;
}
else if (strcmp(nameBuf, "class") == 0 ||
strcmp(nameBuf, "struct") == 0 ||
strcmp(nameBuf, "union") == 0)
{
*name++ = ' ';
if (isidentf(*text))
{
while (isident(*text))
name_append(text, name, size);
*name = 0;
text = comment(text);
if (*text == ':')
{
text = comment(text + 1);
while (isident(*text))
text++;
text = comment(text);
while (isident(*text))
text++;
text = comment(text);
}
if (*text == '{' && proxy.Types())
{
char match[256];
long l = std::min((long)255, text - start);
strncpy(match, start, l);
match[l] = 0;
proxy.AddFunction(nameBuf, match, offset, false);
}
}
if (*text == '{')
text = parens(text + 1, '{');
text = comment(text);
while (isidentf(*text))
{
char match[kMaxNameSize];
name = strchr(nameBuf, ' ') + 1;
strncpy(match, nameBuf, name - nameBuf - 1);
match[name - nameBuf - 1] = 0;
while (isident(*text))
name_append(text, name, size);
*name = 0;
if (proxy.Types())
proxy.AddFunction(nameBuf, match, offset, false);
text = comment(text);
while (*text == ',' || *text == '*')
text = comment(text + 1);
}
return text;
}
if (is_template(text))
{
name_append(text, name, size);
text = comment(text);
while (isident(*text))
{
while (isident(*text))
name_append(text, name, size);
text = comment(text);
if (*text == ',')
{
name_append(text, name, size);
text = comment(text);
}
}
if (*text == '>')
{
name_append(text, name, size);
text = comment(text);
}
}
while (*text == ':' && text[1] == ':')
{
name_append(text, name, size);
name_append(text, name, size);
text = comment(text);
id = name;
if (*text == '~')
{
name_append(text, name, size);
text = comment(text);
destructor = true;
}
if (isidentf(*text))
while (isident(*text))
name_append(text, name, size);
text = comment(text);
if (is_template(text))
{
name_append(text, name, size);
text = comment(text);
while (isident(*text))
{
while (isident(*text))
name_append(text, name, size);
text = comment(text);
if (*text == ',')
{
name_append(text, name, size);
text = comment(text);
}
}
if (*text == '>')
{
name_append(text, name, size);
text = comment(text);
}
}
}
if (!destructor && strcmp(id, "operator") == 0)
{
if (*text == '(')
name_append(text, name, size);
text = comment(text);
while (*text != '(' && size < kMaxNameSize)
{
if (isidentf(*text))
{
while (isident(*text))
name_append(text, name, size);
}
else if (! isspace(*text))
{
while (! isspace(*text) && ! isidentf(*text) && *text != '(' &&
! (*text == '/' && (text[1] == '*' || text[1] == '/')))
name_append(text, name, size);
}
text = comment(text);
}
}
*name = 0;
if (*text == '(')
{
char match[256];
long l = std::min((long)255, text - start);
strncpy(match, start, l);
match[l] = 0;
text = parens(text + 1, '(');
text = comment(text);
if (*text == ':')
{
while (*text != '{' && *text != ';')
text++;
if (*text == '{')
{
text = parens(text + 1, '{');
proxy.AddFunction(nameBuf, match, offset, false);
}
else
{
text++;
if (proxy.Prototypes())
proxy.AddFunction(nameBuf, match, offset, true);
}
if (*text == '\n')
text++;
return text;
}
if (*text == ';')
{
if (proxy.Prototypes())
proxy.AddFunction(nameBuf, match, offset, true);
return text + 1;
}
if (isidentf(*text) || *text == '{')
{
proxy.AddFunction(nameBuf, match, offset, false);
text = skip_ne(text, '{');
text = parens(text, '{');
if (*text == '\n')
text ++;
return text;
}
}
return text;
} /* ident */