Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebindings@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 998 insertions, 0 deletions

diff --git a/python/sip/sipgen/export.c b/python/sip/sipgen/export.c
new file mode 100644
index 00000000..a6e62523
--- /dev/null
+++ b/python/sip/sipgen/export.c
@@ -0,0 +1,998 @@
+/*
+ * The XML and API file generator module for SIP.
+ *
+ * Copyright (c) 2007
+ * 	Riverbank Computing Limited <info@riverbankcomputing.co.uk>
+ * 
+ * This file is part of SIP.
+ * 
+ * This copy of SIP is licensed for use under the terms of the SIP License
+ * Agreement.  See the file LICENSE for more details.
+ * 
+ * SIP is supplied WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+
+#include <stdio.h>
+
+#include "sip.h"
+
+
+#define XML_VERSION_NR  0       /* The schema version number. */
+
+
+static void apiEnums(sipSpec *pt, classDef *scope, FILE *fp);
+static void apiVars(sipSpec *pt, classDef *scope, FILE *fp);
+static int apiCtor(sipSpec *pt, classDef *scope, ctorDef *ct, int sec,
+        FILE *fp);
+static int apiOverload(sipSpec *pt, classDef *scope, overDef *od, int sec,
+        FILE *fp);
+static int apiArgument(argDef *ad, int out, int need_comma, int sec, FILE *fp);
+static void xmlClass(sipSpec *pt, classDef *cd, FILE *fp);
+static void xmlEnums(sipSpec *pt, classDef *scope, int indent, FILE *fp);
+static void xmlVars(sipSpec *pt, classDef *scope, int indent, FILE *fp);
+static void xmlFunction(classDef *scope, memberDef *md, overDef *oloads,
+        int indent, FILE *fp);
+static int xmlCtor(classDef *scope, ctorDef *ct, int sec, int indent, FILE *fp);
+static int xmlOverload(classDef *scope, memberDef *md, overDef *od,
+        classDef *xtnds, int stat, int sec, int indent, FILE *fp);
+static void xmlCppSignature(FILE *fp, overDef *od);
+static void xmlArgument(argDef *ad, const char *dir, int res_xfer, int sec,
+        int indent, FILE *fp);
+static void xmlType(argDef *ad, int sec, FILE *fp);
+static void xmlIndent(int indent, FILE *fp);
+static const char *dirAttribute(argDef *ad);
+static void exportDefaultValue(argDef *ad, FILE *fp);
+static const char *pyType(argDef *ad, int sec, classDef **scope);
+
+
+/*
+ * Generate the API file.
+ */
+void generateAPI(sipSpec *pt, const char *apiFile)
+{
+    overDef *od;
+    classDef *cd;
+    FILE *fp;
+
+    /* Generate the file. */
+    if ((fp = fopen(apiFile, "w")) == NULL)
+        fatal("Unable to create file \"%s\"\n", apiFile);
+
+    apiEnums(pt, NULL, fp);
+    apiVars(pt, NULL, fp);
+
+    for (od = pt->overs; od != NULL; od = od->next)
+    {
+        if (od->common->module != pt->module)
+            continue;
+
+        if (od->common->slot != no_slot)
+            continue;
+
+        if (apiOverload(pt, NULL, od, FALSE, fp))
+            apiOverload(pt, NULL, od, TRUE, fp);
+    }
+
+    for (cd = pt->classes; cd != NULL; cd = cd->next)
+    {
+        ctorDef *ct;
+
+        if (cd->iff->module != pt->module)
+            continue;
+
+        if (isExternal(cd))
+            continue;
+
+        apiEnums(pt, cd, fp);
+        apiVars(pt, cd, fp);
+
+        for (ct = cd->ctors; ct != NULL; ct = ct->next)
+        {
+            if (isPrivateCtor(ct))
+                continue;
+
+            if (apiCtor(pt, cd, ct, FALSE, fp))
+                apiCtor(pt, cd, ct, TRUE, fp);
+        }
+
+        for (od = cd->overs; od != NULL; od = od->next)
+        {
+            if (isPrivate(od))
+                continue;
+
+            if (od->common->slot != no_slot)
+                continue;
+
+            if (apiOverload(pt, cd, od, FALSE, fp))
+                apiOverload(pt, cd, od, TRUE, fp);
+        }
+    }
+
+    fclose(fp);
+}
+
+
+/*
+ * Generate an API ctor.
+ */
+static int apiCtor(sipSpec *pt, classDef *scope, ctorDef *ct, int sec,
+        FILE *fp)
+{
+    int need_sec = FALSE, need_comma, a;
+
+    /* Do the callable type form. */
+    fprintf(fp, "%s.", pt->module->name);
+    prScopedPythonName(fp, scope->ecd, scope->pyname);
+    fprintf(fp, "(");
+
+    need_comma = FALSE;
+
+    for (a = 0; a < ct->pysig.nrArgs; ++a)
+    {
+        argDef *ad = &ct->pysig.args[a];
+
+        need_comma = apiArgument(ad, FALSE, need_comma, sec, fp);
+
+        if (ad->atype == rxcon_type || ad->atype == rxdis_type)
+            need_sec = TRUE;
+    }
+
+    fprintf(fp, ")\n");
+
+    /* Do the call __init__ form. */
+    fprintf(fp, "%s.", pt->module->name);
+    prScopedPythonName(fp, scope->ecd, scope->pyname);
+    fprintf(fp, ".__init__(self");
+
+    for (a = 0; a < ct->pysig.nrArgs; ++a)
+        apiArgument(&ct->pysig.args[a], FALSE, TRUE, sec, fp);
+
+    fprintf(fp, ")\n");
+
+    return need_sec;
+}
+
+
+/*
+ * Generate the APIs for all the enums in a scope.
+ */
+static void apiEnums(sipSpec *pt, classDef *scope, FILE *fp)
+{
+    enumDef *ed;
+
+    for (ed = pt->enums; ed != NULL; ed = ed->next)
+    {
+        enumMemberDef *emd;
+
+        if (ed->module != pt->module)
+            continue;
+
+        if (ed->ecd != scope)
+            continue;
+
+        if (ed->pyname != NULL)
+        {
+            fprintf(fp, "%s.", pt->module->name);
+            prScopedPythonName(fp, ed->ecd, ed->pyname->text);
+            fprintf(fp, "\n");
+        }
+
+        for (emd = ed->members; emd != NULL; emd = emd->next)
+        {
+            fprintf(fp, "%s.", pt->module->name);
+            prScopedPythonName(fp, ed->ecd, emd->pyname->text);
+            fprintf(fp, "\n");
+        }
+    }
+}
+
+
+/*
+ * Generate the APIs for all the variables in a scope.
+ */
+static void apiVars(sipSpec *pt, classDef *scope, FILE *fp)
+{
+    varDef *vd;
+
+    for (vd = pt->vars; vd != NULL; vd = vd->next)
+    {
+        if (vd->module != pt->module)
+            continue;
+
+        if (vd->ecd != scope)
+            continue;
+
+        fprintf(fp, "%s.", pt->module->name);
+        prScopedPythonName(fp, vd->ecd, vd->pyname->text);
+        fprintf(fp, "\n");
+    }
+}
+
+
+/*
+ * Generate a single API overload.
+ */
+static int apiOverload(sipSpec *pt, classDef *scope, overDef *od, int sec,
+        FILE *fp)
+{
+    int need_sec = FALSE, need_comma = FALSE, is_res, nr_out, a;
+
+    fprintf(fp, "%s.", pt->module->name);
+    prScopedPythonName(fp, scope, od->common->pyname->text);
+    fprintf(fp, "(");
+
+    if (scope != NULL && scope->iff->type != namespace_iface && !isStatic(od))
+    {
+        fprintf(fp, "self");
+        need_comma = TRUE;
+    }
+
+    nr_out = 0;
+
+    for (a = 0; a < od->pysig.nrArgs; ++a)
+    {
+        argDef *ad = &od->pysig.args[a];
+
+        if (isOutArg(ad))
+            ++nr_out;
+
+        if (!isInArg(ad))
+            continue;
+
+        need_comma = apiArgument(ad, FALSE, need_comma, sec, fp);
+
+        if (ad->atype == rxcon_type || ad->atype == rxdis_type)
+            need_sec = TRUE;
+    }
+
+    fprintf(fp, ")");
+
+    is_res = (od->pysig.result.atype != void_type || od->pysig.result.nrderefs != 0);
+
+    if (is_res || nr_out > 0)
+    {
+        fprintf(fp, " -> ");
+
+        if ((is_res && nr_out > 0) || nr_out > 1)
+            fprintf(fp, "(");
+
+        if (is_res)
+            need_comma = apiArgument(&od->pysig.result, TRUE, FALSE, sec, fp);
+        else
+            need_comma = FALSE;
+
+        for (a = 0; a < od->pysig.nrArgs; ++a)
+        {
+            argDef *ad = &od->pysig.args[a];
+
+            if (!isOutArg(ad))
+                continue;
+
+            need_comma = apiArgument(ad, TRUE, need_comma, sec, fp);
+        }
+
+        if ((is_res && nr_out > 0) || nr_out > 1)
+            fprintf(fp, ")");
+    }
+
+    fprintf(fp, "\n");
+
+    return need_sec;
+}
+
+
+/*
+ * Generate the API for an argument.
+ */
+static int apiArgument(argDef *ad, int out, int need_comma, int sec, FILE *fp)
+{
+    const char *tname;
+    classDef *tscope;
+
+    if (isArraySize(ad))
+        return need_comma;
+
+    if (sec && (ad->atype == slotcon_type || ad->atype == slotdis_type))
+        return need_comma;
+
+    if ((tname = pyType(ad, sec, &tscope)) == NULL)
+        return need_comma;
+
+    if (need_comma)
+        fprintf(fp, ", ");
+
+    prScopedPythonName(fp, tscope, tname);
+
+    if (ad->name != NULL)
+        fprintf(fp, " %s", ad->name);
+
+    /*
+     * Handle the default value, but ignore it if it is an output only
+     * argument.
+     */
+    if (ad->defval && !out)
+    {
+        fprintf(fp, "=");
+        prcode(fp, "%M");
+        exportDefaultValue(ad, fp);
+        prcode(fp, "%M");
+    }
+
+    return TRUE;
+}
+
+
+/*
+ * Generate the XML export file.
+ */
+void generateXML(sipSpec *pt, const char *xmlFile)
+{
+    FILE *fp;
+    classDef *cd;
+    memberDef *md;
+
+    if ((fp = fopen(xmlFile, "w")) == NULL)
+        fatal("Unable to create file \"%s\"\n", xmlFile);
+
+    fprintf(fp, "<?xml version=\"1.0\"?>\n");
+    fprintf(fp, "<Module version=\"%u\" name=\"%s\">\n",
+            XML_VERSION_NR, pt->module->name);
+
+    /*
+     * Note that we don't yet handle mapped types, templates or exceptions.
+     */
+
+    for (cd = pt->classes; cd != NULL; cd = cd->next)
+    {
+        if (cd->iff->module != pt->module)
+            continue;
+
+        if (isExternal(cd))
+            continue;
+
+        xmlClass(pt, cd, fp);
+    }
+
+    for (cd = pt->proxies; cd != NULL; cd = cd->next)
+        xmlClass(pt, cd, fp);
+
+    xmlEnums(pt, NULL, 1, fp);
+    xmlVars(pt, NULL, 1, fp);
+
+    for (md = pt->othfuncs; md != NULL; md = md->next)
+    {
+        if (md->module != pt->module)
+            continue;
+
+        xmlFunction(NULL, md, pt->overs, 1, fp);
+    }
+
+    fprintf(fp, "</Module>\n");
+
+    fclose(fp);
+}
+
+
+/*
+ * Generate the XML for a class.
+ */
+static void xmlClass(sipSpec *pt, classDef *cd, FILE *fp)
+{
+    int indent = 1;
+    ctorDef *ct;
+    memberDef *md;
+
+    if (isOpaque(cd))
+    {
+        xmlIndent(indent, fp);
+        fprintf(fp, "<OpaqueClass name=\"", cd->pyname);
+        prScopedPythonName(fp, cd->ecd, cd->pyname);
+        fprintf(fp, "\"/>\n");
+
+        return;
+    }
+
+    xmlIndent(indent++, fp);
+    fprintf(fp, "<Class name=\"", cd->pyname);
+    prScopedPythonName(fp, cd->ecd, cd->pyname);
+    fprintf(fp, "\"");
+
+    if (cd->convtocode != NULL)
+        fprintf(fp, " convert=\"1\"");
+
+    if (cd->real != NULL)
+        fprintf(fp, " extends=\"%s\"", cd->real->iff->module->name);
+
+    if (cd->supers != NULL)
+    {
+        classList *cl;
+
+        fprintf(fp, " inherits=\"");
+
+        for (cl = cd->supers; cl != NULL; cl = cl->next)
+        {
+            if (cl != cd->supers)
+                fprintf(fp, " ");
+
+            prScopedPythonName(fp, cl->cd->ecd, cl->cd->pyname);
+        }
+
+        fprintf(fp, "\"");
+    }
+
+    fprintf(fp, ">\n");
+
+    xmlEnums(pt, cd, indent, fp);
+    xmlVars(pt, cd, indent, fp);
+
+    for (ct = cd->ctors; ct != NULL; ct = ct->next)
+    {
+        if (isPrivateCtor(ct))
+            continue;
+
+        if (xmlCtor(cd, ct, FALSE, indent, fp))
+            xmlCtor(cd, ct, TRUE, indent, fp);
+    }
+
+    for (md = cd->members; md != NULL; md = md->next)
+        xmlFunction(cd, md, cd->overs, indent, fp);
+
+    xmlIndent(--indent, fp);
+    fprintf(fp, "</Class>\n");
+}
+
+
+/*
+ * Generate the XML for all the enums in a scope.
+ */
+static void xmlEnums(sipSpec *pt, classDef *scope, int indent, FILE *fp)
+{
+    enumDef *ed;
+
+    for (ed = pt->enums; ed != NULL; ed = ed->next)
+    {
+        if (ed->module != pt->module)
+            continue;
+
+        if (ed->ecd != scope)
+            continue;
+
+        if (ed->pyname != NULL)
+        {
+            enumMemberDef *emd;
+
+            xmlIndent(indent++, fp);
+            fprintf(fp, "<Enum name=\"");
+            prScopedPythonName(fp, ed->ecd, ed->pyname->text);
+            fprintf(fp, "\">\n");
+
+            for (emd = ed->members; emd != NULL; emd = emd->next)
+            {
+                xmlIndent(indent, fp);
+                fprintf(fp, "<EnumMember name=\"");
+                prScopedPythonName(fp, ed->ecd, emd->pyname->text);
+                fprintf(fp, "\"/>\n");
+            }
+
+            xmlIndent(--indent, fp);
+            fprintf(fp, "</Enum>\n");
+        }
+        else
+        {
+            enumMemberDef *emd;
+
+            for (emd = ed->members; emd != NULL; emd = emd->next)
+            {
+                xmlIndent(indent, fp);
+                fprintf(fp, "<Member name=\"");
+                prScopedPythonName(fp, ed->ecd, emd->pyname->text);
+                fprintf(fp, "\" const=\"1\" typename=\"int\"/>\n");
+            }
+        }
+    }
+}
+
+
+/*
+ * Generate the XML for all the variables in a scope.
+ */
+static void xmlVars(sipSpec *pt, classDef *scope, int indent, FILE *fp)
+{
+    varDef *vd;
+
+    for (vd = pt->vars; vd != NULL; vd = vd->next)
+    {
+        if (vd->module != pt->module)
+            continue;
+
+        if (vd->ecd != scope)
+            continue;
+
+        xmlIndent(indent, fp);
+        fprintf(fp, "<Member name=\"");
+        prScopedPythonName(fp, vd->ecd, vd->pyname->text);
+        fprintf(fp, "\"");
+
+        if (isConstArg(&vd->type) || scope == NULL)
+            fprintf(fp, " const=\"1\"");
+
+        if (isStaticVar(vd))
+            fprintf(fp, " static=\"1\"");
+
+        xmlType(&vd->type, FALSE, fp);
+        fprintf(fp, "/>\n");
+    }
+}
+
+
+/*
+ * Generate the XML for a ctor.
+ */
+static int xmlCtor(classDef *scope, ctorDef *ct, int sec, int indent, FILE *fp)
+{
+    int a, need_sec;
+
+    xmlIndent(indent++, fp);
+    fprintf(fp, "<Function name=\"");
+    prScopedPythonName(fp, scope, "__init__");
+    fprintf(fp, "\"");
+
+    /* Handle the trivial case. */
+    if (ct->pysig.nrArgs == 0)
+    {
+        fprintf(fp, "/>\n");
+        return FALSE;
+    }
+
+    fprintf(fp, ">\n");
+
+    need_sec = FALSE;
+
+    for (a = 0; a < ct->pysig.nrArgs; ++a)
+    {
+        argDef *ad = &ct->pysig.args[a];
+
+        xmlArgument(ad, dirAttribute(ad), FALSE, sec, indent, fp);
+
+        if (ad->atype == rxcon_type || ad->atype == rxdis_type)
+            need_sec = TRUE;
+    }
+
+    xmlIndent(--indent, fp);
+    fprintf(fp, "</Function>\n");
+
+    return need_sec;
+}
+
+
+/*
+ * Generate the XML for a function.
+ */
+static void xmlFunction(classDef *scope, memberDef *md, overDef *oloads,
+        int indent, FILE *fp)
+{
+    overDef *od;
+
+    for (od = oloads; od != NULL; od = od->next)
+    {
+        int isstat;
+        classDef *xtnds;
+
+        if (od->common != md)
+            continue;
+
+        if (isPrivate(od))
+            continue;
+
+        if (isSignal(od))
+        {
+            xmlIndent(indent, fp);
+            fprintf(fp, "<Signal name=\"");
+            prScopedPythonName(fp, scope, md->pyname->text);
+            fprintf(fp, "\" sig=\"");
+            xmlCppSignature(fp, od);
+            fprintf(fp, "\"/>\n", md->pyname->text);
+
+            continue;
+        }
+
+        xtnds = NULL;
+        isstat = (scope == NULL || scope->iff->type == namespace_iface || isStatic(od));
+
+        if (scope == NULL && md->slot != no_slot && od->pysig.args[0].atype == class_type)
+        {
+            xtnds = od->pysig.args[0].u.cd;
+            isstat = FALSE;
+        }
+
+        if (xmlOverload(scope, md, od, xtnds, isstat, FALSE, indent, fp))
+            xmlOverload(scope, md, od, xtnds, isstat, TRUE, indent, fp);
+    }
+}
+
+
+/*
+ * Generate the XML for an overload.
+ */
+static int xmlOverload(classDef *scope, memberDef *md, overDef *od,
+        classDef *xtnds, int stat, int sec, int indent, FILE *fp)
+{
+    int a, need_sec, no_res;
+
+    xmlIndent(indent++, fp);
+    fprintf(fp, "<Function name=\"");
+    prScopedPythonName(fp, scope, md->pyname->text);
+    fprintf(fp, "\"");
+
+    if (isAbstract(od))
+        fprintf(fp, " abstract=\"1\"");
+
+    if (stat)
+        fprintf(fp, " static=\"1\"");
+
+    if (isSlot(od))
+    {
+        fprintf(fp, " slot=\"");
+        xmlCppSignature(fp, od);
+        fprintf(fp, "\"");
+    }
+
+    if (xtnds != NULL)
+    {
+        fprintf(fp, " extends=\"");
+        prScopedPythonName(fp, xtnds->ecd, xtnds->pyname);
+        fprintf(fp, "\"");
+    }
+
+    no_res = (od->pysig.result.atype == void_type && od->pysig.result.nrderefs == 0);
+
+    /* Handle the trivial case. */
+    if (no_res && od->pysig.nrArgs == 0)
+    {
+        fprintf(fp, "/>\n");
+        return FALSE;
+    }
+
+    fprintf(fp, ">\n");
+
+    if (!no_res)
+        xmlArgument(&od->pysig.result, "out", isResultTransferredBack(od), FALSE, indent, fp);
+
+    need_sec = FALSE;
+
+    for (a = 0; a < od->pysig.nrArgs; ++a)
+    {
+        argDef *ad = &od->pysig.args[a];
+
+        /* Ignore the first argument of number slots. */
+        if (isNumberSlot(md) && a == 0 && od->pysig.nrArgs == 2)
+            continue;
+
+        xmlArgument(ad, dirAttribute(ad), FALSE, sec, indent, fp);
+
+        if (ad->atype == rxcon_type || ad->atype == rxdis_type)
+            need_sec = TRUE;
+    }
+
+    xmlIndent(--indent, fp);
+    fprintf(fp, "</Function>\n");
+
+    return need_sec;
+}
+
+
+/*
+ * Generate the XML for a C++ signature.
+ */
+static void xmlCppSignature(FILE *fp, overDef *od)
+{
+    prcode(fp, "%M");
+    prOverloadDecl(fp, od, TRUE);
+    prcode(fp, "%M");
+}
+
+
+/*
+ * Convert an arguments direction to an XML attribute value.
+ */
+static const char *dirAttribute(argDef *ad)
+{
+    if (isInArg(ad))
+    {
+        if (isOutArg(ad))
+            return "inout";
+
+        return NULL;
+    }
+
+    return "out";
+}
+
+
+/*
+ * Generate the XML for an argument.
+ */
+static void xmlArgument(argDef *ad, const char *dir, int res_xfer, int sec,
+        int indent, FILE *fp)
+{
+    if (isArraySize(ad))
+        return;
+
+    if (sec && (ad->atype == slotcon_type || ad->atype == slotdis_type))
+        return;
+
+    xmlIndent(indent, fp);
+    fprintf(fp, "<Argument");
+    xmlType(ad, sec, fp);
+
+    if (dir != NULL)
+        fprintf(fp, " dir=\"%s\"", dir);
+
+    if (isAllowNone(ad))
+        fprintf(fp, " allownone=\"1\"");
+
+    if (isTransferred(ad))
+        fprintf(fp, " transfer=\"to\"");
+    else if (isThisTransferred(ad))
+        fprintf(fp, " transfer=\"this\"");
+    else if (res_xfer || isTransferredBack(ad))
+        fprintf(fp, " transfer=\"back\"");
+
+    /*
+     * Handle the default value, but ignore it if it is an output only
+     * argument.
+     */
+    if (ad->defval && (dir == NULL || strcmp(dir, "out") != 0))
+    {
+        prcode(fp, " default=\"%M");
+        exportDefaultValue(ad, fp);
+        prcode(fp, "%M\"");
+    }
+
+    fprintf(fp, "/>\n");
+}
+
+
+/*
+ * Generate the XML for a type.
+ */
+static void xmlType(argDef *ad, int sec, FILE *fp)
+{
+    const char *type_type = NULL, *type_name;
+    classDef *type_scope;
+
+    fprintf(fp, " typename=\"");
+
+    switch (ad->atype)
+    {
+    case class_type:
+        type_type = (isOpaque(ad->u.cd) ? "opaque" : "class");
+        break;
+
+    case enum_type:
+        if (ad->u.ed->pyname != NULL)
+            type_type = "enum";
+        break;
+
+    case rxcon_type:
+    case rxdis_type:
+        if (!sec)
+            type_type = "class";
+        break;
+
+    case qobject_type:
+        type_type = "class";
+        break;
+
+    case slotcon_type:
+    case slotdis_type:
+        {
+            int a;
+
+            prcode(fp, "SLOT(");
+
+            for (a = 0; a < ad->u.sa->nrArgs; ++a)
+            {
+                if (a > 0)
+                    prcode(fp, ", ");
+
+                prcode(fp, "%M%B%M", &ad->u.sa->args[a]);
+            }
+
+            prcode(fp, ")");
+        }
+
+        break;
+
+    case mapped_type:
+        prcode(fp, "%M%B%M", &ad->u.mtd->type);
+        type_type = "mappedtype";
+        break;
+    }
+
+    if ((type_name = pyType(ad, sec, &type_scope)) != NULL)
+        prScopedPythonName(fp, type_scope, type_name);
+
+    fprintf(fp, "\"");
+
+    if (type_type != NULL)
+        fprintf(fp, " typetype=\"%s\"", type_type);
+
+    if (ad->name != NULL)
+        fprintf(fp, " name=\"%s\"", ad->name);
+}
+
+
+/*
+ * Generate the indentation for a line.
+ */
+static void xmlIndent(int indent, FILE *fp)
+{
+    while (indent-- > 0)
+        fprintf(fp, "  ");
+}
+
+
+/*
+ * Export the default value of an argument.
+ */
+static void exportDefaultValue(argDef *ad, FILE *fp)
+{
+    /* Translate some special cases. */
+    if (ad->defval->next == NULL && ad->defval->vtype == numeric_value)
+    {
+        if (ad->nrderefs > 0 && ad->defval->u.vnum == 0)
+        {
+            prcode(fp, "None");
+            return;
+        }
+
+        if (ad->atype == bool_type || ad->atype == cbool_type)
+        {
+            prcode(fp, ad->defval->u.vnum ? "True" : "False");
+            return;
+        }
+    }
+
+    generateExpression(ad->defval, fp);
+}
+
+
+/*
+ * Get the Python representation of a type.
+ */
+static const char *pyType(argDef *ad, int sec, classDef **scope)
+{
+    const char *type_name;
+
+    *scope = NULL;
+
+    switch (ad->atype)
+    {
+    case class_type:
+        type_name = ad->u.cd->pyname;
+        *scope = ad->u.cd->ecd;
+        break;
+
+    case struct_type:
+    case void_type:
+        type_name = "sip.voidptr";
+        break;
+
+    case enum_type:
+        if (ad->u.ed->pyname != NULL)
+        {
+            type_name = ad->u.ed->pyname->text;
+            *scope = ad->u.ed->ecd;
+        }
+        else
+            type_name = "int";
+        break;
+
+    case signal_type:
+        type_name = "SIGNAL()";
+        break;
+
+    case slot_type:
+        type_name = "SLOT()";
+        break;
+
+    case rxcon_type:
+    case rxdis_type:
+        if (sec)
+            type_name = "callable";
+        else
+            type_name = "QObject";
+
+        break;
+
+    case qobject_type:
+        type_name = "QObject";
+        break;
+
+    case ustring_type:
+    case string_type:
+    case sstring_type:
+    case wstring_type:
+        if (ad->nrderefs > 0)
+            type_name = "str";
+        else
+            type_name = "char";
+
+        break;
+
+    case short_type:
+    case int_type:
+    case cint_type:
+        type_name = "int";
+        break;
+
+    case ushort_type:
+    case uint_type:
+    case ulong_type:
+    case ulonglong_type:
+        type_name = "unsigned long";
+        break;
+
+    case long_type:
+    case longlong_type:
+        type_name = "long";
+        break;
+
+    case float_type:
+    case cfloat_type:
+    case double_type:
+    case cdouble_type:
+        type_name = "float";
+        break;
+
+    case bool_type:
+    case cbool_type:
+        type_name = "bool";
+        break;
+
+    case pyobject_type:
+        type_name = "object";
+        break;
+
+    case pytuple_type:
+        type_name = "tuple";
+        break;
+
+    case pylist_type:
+        type_name = "list";
+        break;
+
+    case pydict_type:
+        type_name = "dict";
+        break;
+
+    case pycallable_type:
+        type_name = "callable";
+        break;
+
+    case pyslice_type:
+        type_name = "slice";
+        break;
+
+    case pytype_type:
+        type_name = "type";
+        break;
+
+    case ellipsis_type:
+        type_name = "...";
+        break;
+
+    case anyslot_type:
+        /* Need to check if this is enough. */
+        type_name = "SLOT()";
+        break;
+
+    default:
+        type_name = NULL;
+    }
+
+    return type_name;
+}