mirror of https://github.com/swig/swig
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/* -----------------------------------------------------------------------------
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* See the LICENSE file for information on copyright, usage and redistribution
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* of SWIG, and the README file for authors - http://www.swig.org/release.html.
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*
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* util.c
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*
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* Parsing utilities.
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* ----------------------------------------------------------------------------- */
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char cvsroot_util_c[] = "$Header$";
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#include "swig.h"
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#include "swigkeys.h"
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#include "cparse.h"
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/* -----------------------------------------------------------------------------
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* Swig_cparse_replace_descriptor()
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*
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* Replaces type descriptor string $descriptor() with the SWIG type descriptor
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* string.
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* ----------------------------------------------------------------------------- */
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void Swig_cparse_replace_descriptor(String *s) {
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char tmp[512];
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String *arg = 0;
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SwigType *t;
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char *c = 0;
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while ((c = strstr(Char(s), "$descriptor("))) {
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char *d = tmp;
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int level = 0;
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while (*c) {
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if (*c == '(')
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level++;
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if (*c == ')') {
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level--;
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if (level == 0) {
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break;
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}
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}
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*d = *c;
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d++;
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c++;
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}
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*d = 0;
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arg = NewString(tmp + 12);
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t = Swig_cparse_type(arg);
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Delete(arg);
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arg = 0;
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if (t) {
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String *mangle;
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String *descriptor;
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mangle = SwigType_manglestr(t);
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descriptor = NewStringf("SWIGTYPE%s", mangle);
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SwigType_remember(t);
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*d = ')';
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d++;
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*d = 0;
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Replace(s, tmp, descriptor, DOH_REPLACE_ANY);
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Delete(mangle);
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Delete(descriptor);
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Delete(t);
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} else {
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Swig_error(Getfile(s), Getline(s), "Bad $descriptor() macro.\n");
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break;
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}
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}
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}
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/* -----------------------------------------------------------------------------
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* cparse_normalize_void()
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*
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* This function is used to replace arguments of the form (void) with empty
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* arguments in C++
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* ----------------------------------------------------------------------------- */
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void cparse_normalize_void(Node *n) {
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String *decl = Getattr(n, k_decl);
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Parm *parms = Getattr(n, k_parms);
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if (SwigType_isfunction(decl)) {
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if ((ParmList_len(parms) == 1) && (SwigType_type(Getattr(parms, k_type)) == T_VOID)) {
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Replaceall(decl, "f(void).", "f().");
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Delattr(n, k_parms);
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}
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}
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}
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