add type name argument in SWIG_ptr() function to cast from pointer adress to typed pointers

CHANGES.current

@@ -7,6 +7,9 @@ the issue number to the end of the URL: https://github.com/swig/swig/issues/
 Version 4.0.0 (in progress)
 ===========================
 
+2018-01-30: smarchetto
+            [Scilab] add type name argument in SWIG_ptr() function to cast from pointer adress to typed pointers
+
 2018-01-16: wsfulton
             Expressions following a preprocessor directive must now be separated by whitespace
             or non-numeric characters. This syntax change makes the SWIG preprocessor work like
@@ -71,7 +74,7 @@ Version 4.0.0 (in progress)
 	    should make the generated code work with PHP 7.2.0.
 
 2017-12-04: wsfulton
-            [Python] Add missing checks for failures in calls to PyUnicode_AsUTF8String. Previously a 
+            [Python] Add missing checks for failures in calls to PyUnicode_AsUTF8String. Previously a
             seg fault could occur when passing invalid UTF8 strings (low surrogates), eg passing
             u"\udcff" to the C layer (Python 3).
 
@@ -150,7 +153,7 @@ Version 4.0.0 (in progress)
             language as the C++ template name, for example, this is now possible:
 
               template<typename T> struct X { ... };
-              %template(X) X<int>; 
+              %template(X) X<int>;
 
 2017-09-23: wsfulton
             Issue #1098. Fix overloading of shared_ptr with underlying pointer types, eg:

Lib/scilab/scirun.swg

@@ -446,36 +446,77 @@ int SWIG_this(SWIG_GatewayParameters) {
 extern "C"
 #endif
 int SWIG_ptr(SWIG_GatewayParameters) {
-  void *ptrValue = NULL;
-  double dValue = 0;
-  if (SwigScilabPtrToObject(pvApiCtx, 1, &ptrValue, NULL, 0, fname) == SWIG_OK) {
-    SWIG_Scilab_SetOutputPosition(1);
-    return SWIG_Scilab_SetOutput(pvApiCtx,
-      SwigScilabPtrFromObject(pvApiCtx, 1, ptrValue, NULL, 0, NULL));
-  }
-  else {
-    int *piAddr;
-    SciErr sciErr = getVarAddressFromPosition(pvApiCtx, 1, &piAddr);
-    if(sciErr.iErr) {
+  if (SWIG_NbInputArgument(pvApiCtx) > 0) {
+    int *piAddrVar1 = NULL;
+    int iTypeVar1 = 0;
+    char *pstInputPtrTypeName = NULL;
+    char *pstOutputMListTypeName = NULL;
+    if (SWIG_NbInputArgument(pvApiCtx) > 2) {
+      int *piAddrVar2 = NULL;
+      int *piAddrVar3 = NULL;
+      SciErr sciErr = getVarAddressFromPosition(pvApiCtx, 2, &piAddrVar2);
+      if (sciErr.iErr) {
+        printError(&sciErr, 0);
+        return SWIG_ERROR;
+      }
+      if (getAllocatedSingleString(pvApiCtx, piAddrVar2, &pstInputPtrTypeName)) {
+        return SWIG_ERROR;
+      }
+      sciErr = getVarAddressFromPosition(pvApiCtx, 3, &piAddrVar3);
+      if (sciErr.iErr) {
+        printError(&sciErr, 0);
+        return SWIG_ERROR;
+      }
+      if (getAllocatedSingleString(pvApiCtx, piAddrVar3, &pstOutputMListTypeName)) {
+        return SWIG_ERROR;
+      }
+    }
+
+    SciErr sciErr = getVarAddressFromPosition(pvApiCtx, 1, &piAddrVar1);
+    if (sciErr.iErr) {
       printError(&sciErr, 0);
       return SWIG_ERROR;
     }
-    if (getScalarDouble(pvApiCtx, piAddr, &dValue) == 0) {
-      if (dValue != (uintptr_t)dValue) {
-        Scierror(SCILAB_API_ARGUMENT_ERROR, _("%s: Incorrect value for input argument #%d: The double value cannot be converted to a pointer.\n"), fname, 1);
-        return SWIG_ValueError;
+    sciErr = getVarType(pvApiCtx, piAddrVar1, &iTypeVar1);
+    if (sciErr.iErr) {
+      printError(&sciErr, 0);
+      return SWIG_ERROR;
+    }
+
+    if ((iTypeVar1 == sci_pointer) || (iTypeVar1 == sci_mlist)) {
+      void *ptrValue = NULL;
+      if (SwigScilabPtrToObject(pvApiCtx, 1, &ptrValue, SWIG_Scilab_TypeQuery(pstInputPtrTypeName), 0, (char *) "SWIG_ptr") == SWIG_OK) {
+        SWIG_Scilab_SetOutputPosition(1);
+        return SWIG_Scilab_SetOutput(pvApiCtx,
+          SwigScilabPtrFromObject(pvApiCtx, 1, ptrValue, SWIG_Scilab_TypeQuery(pstInputPtrTypeName), 0, pstOutputMListTypeName));
       }
-      if ((dValue < 0) || (dValue > ULONG_MAX)) {
-        Scierror(SCILAB_API_ARGUMENT_ERROR, _("%s: Overflow error for input argument #%d: The double value cannot be converted to a pointer.\n"), fname, 1);
-        return SWIG_OverflowError;
+    }
+    else if (iTypeVar1 == sci_matrix) {
+      double dValue = 0;
+      if (getScalarDouble(pvApiCtx, piAddrVar1, &dValue) == 0) {
+        if (dValue != (uintptr_t)dValue) {
+          Scierror(SCILAB_API_ARGUMENT_ERROR, _("%s: Incorrect value for input argument #%d: The double value cannot be converted to a pointer.\n"), fname, 1);
+          return SWIG_ValueError;
+        }
+        if ((dValue < 0) || (dValue > ULONG_MAX)) {
+          Scierror(SCILAB_API_ARGUMENT_ERROR, _("%s: Overflow error for input argument #%d: The double value cannot be converted to a pointer.\n"), fname, 1);
+          return SWIG_OverflowError;
+        }
+        SWIG_Scilab_SetOutputPosition(1);
+        return SWIG_Scilab_SetOutput(pvApiCtx,
+          SwigScilabPtrFromObject(pvApiCtx, 1, (void *) (uintptr_t)dValue, SWIG_Scilab_TypeQuery(pstInputPtrTypeName), 0, pstOutputMListTypeName));
+      }
+      else {
+        return SWIG_TypeError;
       }
-      SWIG_Scilab_SetOutputPosition(1);
-      return SWIG_Scilab_SetOutput(pvApiCtx,
-        SwigScilabPtrFromObject(pvApiCtx, 1, (void *) (uintptr_t)dValue, NULL, 0, NULL));
     }
     else {
-      Scierror(SCILAB_API_ARGUMENT_ERROR, _("%s: Wrong type for input argument #%d: A pointer or a double expected.\n"), "SWIG_ptr", 1);
+      Scierror(SCILAB_API_ARGUMENT_ERROR, _("%s: Wrong type for input argument #%d: A mlist, pointer or a double expected.\n"), (char *) "SWIG_ptr", 1);
       return SWIG_TypeError;
     }
   }
+  else {
+    Scierror(SCILAB_API_ARGUMENT_ERROR, _("%s: A mlist, pointer, or a double expected.\n"), "SWIG_ptr", 1);
+    return SWIG_TypeError;
+  }
 }

Lib/scilab/sciruntime.swg

@@ -25,12 +25,14 @@ SWIG_Scilab_SetModule(swig_module_info *swig_module) {
 SWIGRUNTIME swig_type_info *
 SWIG_Scilab_TypeQuery(const char *name) {
   if (SWIG_Module_Initialized()) {
-    return SWIG_TypeQuery(name);
+    if (name) {
+      return SWIG_TypeQuery(name);
+    }
   }
   else {
     SWIG_Error(SWIG_RuntimeError, "the module is not initialized");
-    return NULL;
   }
+  return NULL;
 }
 %}