wxWidgets/wxPython/SWIG/swig.python-docstring.patch

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Index: Source/Modules/python.cxx
===================================================================
RCS file: /cvsroot/SWIG/Source/Modules/python.cxx,v
retrieving revision 1.27
diff -u -r1.27 python.cxx
--- Source/Modules/python.cxx 12 Nov 2003 17:14:00 -0000 1.27
+++ Source/Modules/python.cxx 19 Nov 2003 06:23:46 -0000
@@ -315,6 +315,17 @@
-noexcept - No automatic exception handling\n\
-noproxy - Don't generate proxy classes \n\n";
+
+/* flags for the make_autodoc function */
+enum autodoc_t {
+ AUTODOC_CLASS,
+ AUTODOC_CTOR,
+ AUTODOC_DTOR,
+ AUTODOC_STATICFUNC,
+ AUTODOC_FUNC
+};
+
+
class PYTHON : public Language {
public:
@@ -662,15 +673,21 @@
* ------------------------------------------------------------ */
void emitFunctionShadowHelper(Node *n, File *f_dest, String *name, int kw) {
- if ( ! have_addtofunc(n) ) {
+ if ( ! have_addtofunc(n) && ! have_docstring(n) ) {
/* If there is no addtofunc directive then just assign from the extension module */
Printv(f_dest, "\n", name, " = ", module, ".", name, "\n", NIL);
} else {
/* Otherwise make a wrapper function to insert the code into */
Printv(f_dest, "\ndef ", name, "(*args", (kw ? ", **kwargs" : ""), "):\n", NIL);
- Printv(f_dest, tab4, "val = ", funcCallHelper(name, kw), "\n", NIL);
- Printv(f_dest, tab4, addtofunc(n), "\n", NIL);
- Printv(f_dest, tab4, "return val\n", NIL);
+ if ( have_docstring(n) )
+ Printv(f_dest, tab4, docstring(n, AUTODOC_FUNC), "\n", NIL);
+ if ( have_addtofunc(n) ) {
+ Printv(f_dest, tab4, "val = ", funcCallHelper(name, kw), "\n", NIL);
+ Printv(f_dest, tab4, addtofunc(n), "\n", NIL);
+ Printv(f_dest, tab4, "return val\n", NIL);
+ } else {
+ Printv(f_dest, tab4, "return ", funcCallHelper(name, kw), "\n", NIL);
+ }
}
}
@@ -686,6 +703,193 @@
/* ------------------------------------------------------------
+ * have_docstring()
+ * Check if there is a docstring directive and it has text,
+ * or there is an autodoc flag set
+ * ------------------------------------------------------------ */
+
+ bool have_docstring(Node *n) {
+ String* str = Getattr(n, "feature:docstring");
+ return (str != NULL && Len(str) > 0) ||
+ (Getattr(n,"feature:autodoc") && !Getattr(n, "feature:noautodoc"));
+ }
+
+ /* ------------------------------------------------------------
+ * docstring()
+ * Get the docstring text, stripping off {} if neccessary,
+ * and enclose in triple-double quotes. If autodoc is also
+ * set then it will build a combined docstring.
+ * ------------------------------------------------------------ */
+
+ String *docstring(Node *n, autodoc_t ad_type) {
+ String* str = Getattr(n, "feature:docstring");
+ bool have_ds = (str != NULL && Len(str) > 0);
+ bool have_auto = (Getattr(n,"feature:autodoc") && !Getattr(n, "feature:noautodoc"));
+ char* triple_double = "\"\"\"";
+ String* autodoc;
+ String* doc;
+
+ if ( have_ds ) {
+ char* t = Char(str);
+ if (*t == '{') {
+ Delitem(str ,0);
+ Delitem(str,DOH_END);
+ }
+ }
+
+ if ( have_auto ) {
+ autodoc = make_autodoc(n, ad_type);
+ have_auto = (autodoc != NULL && Len(autodoc) > 0);
+ }
+
+ if ( have_auto && have_ds )
+ doc = NewStringf("%s%s\n\n%s%s", triple_double, autodoc, str, triple_double);
+ else if ( !have_auto && have_ds )
+ doc = NewStringf("%s%s%s", triple_double, str, triple_double);
+ else
+ doc = NewStringf("%s%s%s", triple_double, autodoc, triple_double);
+
+ Setattr(n, "python:docstring", doc);
+ Setattr(n, "python:autodoc", autodoc);
+ return doc;
+ }
+
+
+ /* ------------------------------------------------------------
+ * make_autodoc()
+ * Build a docstring for the node, using parameter and other
+ * info in the parse tree. If the value of the autodoc
+ * attribute is "0" then do not include parameter types, if
+ * it is "1" (the default) then do. If it has some other
+ * value then assume it is supplied by the extension writer
+ * and use it directly.
+ * ------------------------------------------------------------ */
+
+ String* make_autodoc(Node *n, autodoc_t ad_type) {
+
+ if (ad_type == AUTODOC_CLASS)
+ return NULL; // No function call do document in this case
+
+ // check how should the parameters be rendered?
+ String* autodoc = Getattr(n, "feature:autodoc");
+ bool showTypes;
+ if (Strcmp(autodoc, "0") == 0)
+ showTypes = false;
+ else if (Strcmp(autodoc, "1") == 0)
+ showTypes = true;
+ else
+ return autodoc;
+
+ // If the function is overloaded then this funciton is called
+ // for the last one. Rewind to the first so the docstrings are
+ // in order.
+ while ( Getattr(n, "sym:previousSibling") )
+ n = Getattr(n, "sym:previousSibling");
+
+ String* doc = NewString("");
+ while (n) {
+ String* symname = Getattr(n, "sym:name");
+ SwigType* type = Getattr(n, "type");
+
+ if (type) {
+ if (Strcmp(type, "void") == 0)
+ type = NULL;
+ else {
+ type = SwigType_base(type);
+ Node* lookup = Swig_symbol_clookup(type, 0);
+ if (lookup)
+ type = Getattr(lookup, "sym:name");
+ }
+ }
+
+ switch ( ad_type ) {
+ case AUTODOC_CTOR:
+ if ( Strcmp(class_name, symname) == 0)
+ Printf(doc, "__init__(%s) -> %s", make_autodocParmList(n, showTypes), class_name);
+ else
+ Printf(doc, "%s(%s) -> %s", symname, make_autodocParmList(n, showTypes), class_name);
+ break;
+
+ case AUTODOC_DTOR:
+ Printf(doc, "__del__()");
+ break;
+
+ case AUTODOC_STATICFUNC:
+ Printf(doc, "%s.%s(%s)", class_name, symname, make_autodocParmList(n, showTypes));
+ if (type) Printf(doc, " -> %s", type);
+ break;
+
+ case AUTODOC_FUNC:
+ Printf(doc, "%s(%s)", symname, make_autodocParmList(n, showTypes));
+ if (type) Printf(doc, " -> %s", type);
+ break;
+ }
+
+ // if it's overloaded then get the next decl and loop around again
+ n = Getattr(n, "sym:nextSibling");
+ if (n)
+ Printf(doc, "\n");
+ }
+
+ return doc;
+ }
+
+
+ String* make_autodocParmList(Node* n, bool showTypes) {
+ String* doc = NewString("");
+ ParmList* plist = Getattr(n,"parms");
+ Parm* p;
+ Node* lookup;
+ int lines = 0;
+ const int maxwidth = 50;
+
+
+ for (p = plist; p; p = nextSibling(p)) {
+ String* name = Getattr(p, "name");
+ String* value = Getattr(p, "value");
+
+ if ( Len(doc) ) {
+ // add a comma to the previous one if any
+ Printf(doc, ", ");
+
+ // Do we need to wrap a long line?
+ if ((Len(doc) - lines*maxwidth) > maxwidth) {
+ Printf(doc, "\n ");
+ lines += 1;
+ }
+ }
+
+ // Do the param type too?
+ if (showTypes) {
+ SwigType* type = SwigType_base(Getattr(p, "type"));
+ lookup = Swig_symbol_clookup(type, 0);
+ if (lookup)
+ type = Getattr(lookup, "sym:name");
+ Printf(doc, "%s ", type);
+ }
+
+ if (name)
+ Printf(doc, "%s", name);
+ else
+ Printf(doc, "??");
+
+ if (value) {
+ if (Strcmp(value, "NULL") == 0)
+ value = NewString("None");
+ else {
+ lookup = Swig_symbol_clookup(value, 0);
+ if (lookup)
+ value = Getattr(lookup, "sym:name");
+ }
+ Printf(doc, "=%s", value);
+ }
+ }
+
+ return doc;
+ }
+
+
+ /* ------------------------------------------------------------
* have_addtofunc()
* Check if there is a %addtofunc directive and it has text
* ------------------------------------------------------------ */
@@ -1908,7 +2112,9 @@
}
}
Printf(f_shadow,":\n");
-
+ if ( have_docstring(n) )
+ Printv(f_shadow, tab4, docstring(n, AUTODOC_CLASS), "\n", NIL);
+
if (!modern) {
Printv(f_shadow,tab4,"__swig_setmethods__ = {}\n",NIL);
if (Len(base_class)) {
@@ -2043,14 +2249,20 @@
Printv(f_shadow,pycode,"\n",NIL);
} else {
- Printv(f_shadow, tab4, "def ", symname, "(*args", (allow_kwargs ? ", **kwargs" : ""), "): ", NIL);
- if ( have_addtofunc(n) ) {
- Printv(f_shadow, "\n", NIL);
- Printv(f_shadow, tab8, "val = ", funcCallHelper(Swig_name_member(class_name,symname), allow_kwargs), "\n", NIL);
- Printv(f_shadow, tab8, addtofunc(n), "\n", NIL);
- Printv(f_shadow, tab8, "return val\n", NIL);
+ Printv(f_shadow, tab4, "def ", symname, "(*args", (allow_kwargs ? ", **kwargs" : ""), "):", NIL);
+ if ( ! have_addtofunc(n) && ! have_docstring(n)) {
+ Printv(f_shadow, " return ", funcCallHelper(Swig_name_member(class_name,symname), allow_kwargs), "\n", NIL);
} else {
- Printv(f_shadow, "return ", funcCallHelper(Swig_name_member(class_name,symname), allow_kwargs), "\n", NIL);
+ Printv(f_shadow, "\n", NIL);
+ if ( have_docstring(n) )
+ Printv(f_shadow, tab8, docstring(n, AUTODOC_FUNC), "\n", NIL);
+ if ( have_addtofunc(n) ) {
+ Printv(f_shadow, tab8, "val = ", funcCallHelper(Swig_name_member(class_name,symname), allow_kwargs), "\n", NIL);
+ Printv(f_shadow, tab8, addtofunc(n), "\n", NIL);
+ Printv(f_shadow, tab8, "return val\n\n", NIL);
+ } else {
+ Printv(f_shadow, tab8, "return ", funcCallHelper(Swig_name_member(class_name,symname), allow_kwargs), "\n\n", NIL);
+ }
}
}
@@ -2067,12 +2279,18 @@
String *symname = Getattr(n,"sym:name");
Language::staticmemberfunctionHandler(n);
if (shadow) {
- if ( !classic && have_addtofunc(n) ) {
+ if ( !classic && (have_addtofunc(n) || have_docstring(n)) ) {
int kw = (check_kwargs(n) && !Getattr(n,"sym:overloaded")) ? 1 : 0;
Printv(f_shadow, tab4, "def ", symname, "(*args", (kw ? ", **kwargs" : ""), "):\n", NIL);
- Printv(f_shadow, tab8, "val = ", funcCallHelper(Swig_name_member(class_name, symname), kw), "\n", NIL);
- Printv(f_shadow, tab8, addtofunc(n), "\n", NIL);
- Printv(f_shadow, tab8, "return val\n", NIL);
+ if ( have_docstring(n) )
+ Printv(f_shadow, tab8, docstring(n, AUTODOC_STATICFUNC), "\n", NIL);
+ if ( have_addtofunc(n) ) {
+ Printv(f_shadow, tab8, "val = ", funcCallHelper(Swig_name_member(class_name, symname), kw), "\n", NIL);
+ Printv(f_shadow, tab8, addtofunc(n), "\n", NIL);
+ Printv(f_shadow, tab8, "return val\n\n", NIL);
+ } else {
+ Printv(f_shadow, tab8, "return ", funcCallHelper(Swig_name_member(class_name, symname), kw), "\n\n", NIL);
+ }
Printv(f_shadow, tab4, modern ? "" : "if _newclass:", symname,
" = staticmethod(", symname, ")\n", NIL);
@@ -2159,6 +2377,8 @@
Printv(f_shadow, tab4, "def __init__(self, *args",
(allow_kwargs ? ", **kwargs" : ""), "):\n", NIL);
+ if ( have_docstring(n) )
+ Printv(f_shadow, tab8, docstring(n, AUTODOC_CTOR), "\n", NIL);
Printv(f_shadow, pass_self, NIL);
if (!modern) {
Printv(f_shadow, tab8, "_swig_setattr(self, ", rclassname, ", 'this', ",
@@ -2174,7 +2394,7 @@
Printv(f_shadow, tab8, "del newobj.thisown\n", NIL);
}
if ( have_addtofunc(n) )
- Printv(f_shadow, tab8, addtofunc(n), "\n", NIL);
+ Printv(f_shadow, tab8, addtofunc(n), "\n\n", NIL);
Delete(pass_self);
}
have_constructor = 1;
@@ -2192,6 +2412,8 @@
Printv(f_shadow_stubs, "\ndef ", symname, "(*args",
(allow_kwargs ? ", **kwargs" : ""), "):\n", NIL);
+ if ( have_docstring(n) )
+ Printv(f_shadow_stubs, tab4, docstring(n, AUTODOC_CTOR), "\n", NIL);
Printv(f_shadow_stubs, tab4, "val = ",
funcCallHelper(Swig_name_construct(symname), allow_kwargs), "\n", NIL);
Printv(f_shadow_stubs, tab4, "val.thisown = 1\n", NIL);
@@ -2225,11 +2447,13 @@
Printv(f_shadow,pycode,"\n", NIL);
} else {
Printv(f_shadow, tab4, "def __del__(self, destroy=", module, ".", Swig_name_destroy(symname), "):\n", NIL);
+ if ( have_docstring(n) )
+ Printv(f_shadow, tab8, docstring(n, AUTODOC_DTOR), "\n", NIL);
if ( have_addtofunc(n) )
Printv(f_shadow, tab8, addtofunc(n), "\n", NIL);
Printv(f_shadow, tab8, "try:\n", NIL);
Printv(f_shadow, tab4, tab8, "if self.thisown: destroy(self)\n", NIL);
- Printv(f_shadow, tab8, "except: pass\n", NIL);
+ Printv(f_shadow, tab8, "except: pass\n\n", NIL);
}
}
return SWIG_OK;