blob: 714bb297222b1156ab639c31af3cb36a4e045775 [file] [log] [blame]
/* -----------------------------------------------------------------------------
* This file is part of SWIG, which is licensed as a whole under version 3
* (or any later version) of the GNU General Public License. Some additional
* terms also apply to certain portions of SWIG. The full details of the SWIG
* license and copyrights can be found in the LICENSE and COPYRIGHT files
* included with the SWIG source code as distributed by the SWIG developers
* and at http://www.swig.org/legal.html.
*
* util.c
*
* Parsing utilities.
* ----------------------------------------------------------------------------- */
#include "swig.h"
#include "cparse.h"
/* -----------------------------------------------------------------------------
* Swig_cparse_replace_descriptor()
*
* Replaces type descriptor string $descriptor() with the SWIG type descriptor
* string.
* ----------------------------------------------------------------------------- */
void Swig_cparse_replace_descriptor(String *s) {
char tmp[512];
String *arg = 0;
SwigType *t;
char *c = 0;
while ((c = strstr(Char(s), "$descriptor("))) {
char *d = tmp;
int level = 0;
while (*c) {
if (*c == '(')
level++;
if (*c == ')') {
level--;
if (level == 0) {
break;
}
}
*d = *c;
d++;
c++;
}
*d = 0;
arg = NewString(tmp + 12);
t = Swig_cparse_type(arg);
Delete(arg);
arg = 0;
if (t) {
String *mangle;
String *descriptor;
mangle = SwigType_manglestr(t);
descriptor = NewStringf("SWIGTYPE%s", mangle);
SwigType_remember(t);
*d = ')';
d++;
*d = 0;
Replace(s, tmp, descriptor, DOH_REPLACE_ANY);
Delete(mangle);
Delete(descriptor);
Delete(t);
} else {
Swig_error(Getfile(s), Getline(s), "Bad $descriptor() macro.\n");
break;
}
}
}
/* -----------------------------------------------------------------------------
* Swig_cparse_smartptr()
*
* Parse the type in smartptr feature and convert into a SwigType.
* Error out if the parsing fails as this is like a parser syntax error.
* ----------------------------------------------------------------------------- */
SwigType *Swig_cparse_smartptr(Node *n) {
SwigType *smart = 0;
String *smartptr = Getattr(n, "feature:smartptr");
if (smartptr) {
SwigType *cpt = Swig_cparse_type(smartptr);
if (cpt) {
smart = SwigType_typedef_resolve_all(cpt);
Delete(cpt);
} else {
Swig_error(Getfile(n), Getline(n), "Invalid type (%s) in 'smartptr' feature for class %s.\n", smartptr, SwigType_namestr(Getattr(n, "name")));
}
}
return smart;
}
/* -----------------------------------------------------------------------------
* cparse_normalize_void()
*
* This function is used to replace arguments of the form (void) with empty
* arguments in C++
* ----------------------------------------------------------------------------- */
void cparse_normalize_void(Node *n) {
String *decl = Getattr(n, "decl");
Parm *parms = Getattr(n, "parms");
if (SwigType_isfunction(decl)) {
if ((ParmList_len(parms) == 1) && (SwigType_type(Getattr(parms, "type")) == T_VOID)) {
Replaceall(decl, "f(void).", "f().");
Delattr(n, "parms");
}
}
}
/* -----------------------------------------------------------------------------
* Swig_cparse_new_node()
*
* Create an empty parse node, setting file and line number information
* ----------------------------------------------------------------------------- */
Node *Swig_cparse_new_node(const_String_or_char_ptr tag) {
Node *n = NewHash();
set_nodeType(n,tag);
Setfile(n,cparse_file);
Setline(n,cparse_line);
return n;
}