vba: initial impl. of compatibility methods.

Change-Id: Iebc25f1730766e96d2ad6921a8b4d2ea880c63f3

5 files changed, 143 insertions, 11 deletions

diff --git a/basic/qa/cppunit/test_vba.cxx b/basic/qa/cppunit/test_vba.cxx
index 87c6512c9449..739e96a88b22 100644
--- a/basic/qa/cppunit/test_vba.cxx
+++ b/basic/qa/cppunit/test_vba.cxx
@@ -50,7 +50,8 @@ void VBATest::testMiscVBAFunctions()
         "dateserial.vb",
         "format.vb",
         "replace.vb",
-        "stringplusdouble.vb"
+        "stringplusdouble.vb",
+        "win32compat.vb"
     };
     OUString sMacroPathURL = getURLFromSrc("/basic/qa/vba_tests/");
     // Some test data expects the uk locale
diff --git a/basic/qa/vba_tests/cdec.vb b/basic/qa/vba_tests/cdec.vb
index 3ed82b33ac90..56166cae5a4e 100644
--- a/basic/qa/vba_tests/cdec.vb
+++ b/basic/qa/vba_tests/cdec.vb
@@ -23,7 +23,7 @@ Function verify_testCDec() as String
     Dim ret As Double
     testName = "Test CDec function"
     On Error GoTo errorHandler
-    
+
     ret = CDec("")
     TestLog_ASSERT ret = 0, "Empty string test:" & ret
 
@@ -82,5 +82,5 @@ Sub TestLog_ASSERT(assertion As Boolean, Optional testId As String, Optional tes
         result = result & Chr$(10) & " Failed: " & testMsg
         failCount = failCount + 1
     End If
-    
+
 End Sub
diff --git a/basic/qa/vba_tests/datevalue.vb b/basic/qa/vba_tests/datevalue.vb
index 20aac6416345..6ac6fe73d47e 100644
--- a/basic/qa/vba_tests/datevalue.vb
+++ b/basic/qa/vba_tests/datevalue.vb
@@ -28,12 +28,12 @@ Function verify_testDateValue() as String
     Dim date1, date2 As Date
     testName = "Test DateValue function"
     date2 = 25246
-    
+
     On Error GoTo errorHandler
-    
+
     date1 = DateValue("February 12, 1969") '2/12/1969
     TestLog_ASSERT date1 = date2, "the return date is: " & date1
-    
+
     date2 = 39468
     date1 = DateValue("21/01/2008") '1/21/2008
     TestLog_ASSERT date1 = date2, "the return date is: " & date1
@@ -61,5 +61,5 @@ Sub TestLog_ASSERT(assertion As Boolean, Optional testId As String, Optional tes
         result = result & Chr$(10) & " Failed: " & testMsg
         failCount = failCount + 1
     End If
-    
+
 End Sub
diff --git a/basic/qa/vba_tests/win32compat.vb b/basic/qa/vba_tests/win32compat.vb
new file mode 100644
index 000000000000..7697648ddc93
--- /dev/null
+++ b/basic/qa/vba_tests/win32compat.vb
@@ -0,0 +1,86 @@
+Option VBASupport 1
+Option Explicit
+
+'
+' This file is part of the LibreOffice project.
+'
+' This Source Code Form is subject to the terms of the Mozilla Public
+' License, v. 2.0. If a copy of the MPL was not distributed with this
+' file, You can obtain one at http://mozilla.org/MPL/2.0/.
+'
+'
+' Test built-in compatibility versions of methods whose absence
+' is really felt in VBA, and large numbers of macros import from
+' the system.
+'
+
+Dim passCount As Integer
+Dim failCount As Integer
+Dim result As String
+
+Private Declare Function QueryPerformanceCounter Lib "kernel32" (lpPerformanceCount As Currency) As Long
+Private Declare Function QueryPerformanceFrequency Lib "kernel32" (lpFrequency As Currency) As Long
+
+' FIXME: all this cut/paste should be factored out !
+
+Function doUnitTest() As String
+    result = verify_win32compat()
+    If failCount <> 0 Then
+        doUnitTest = result
+    Else
+        doUnitTest = "OK"
+    End If
+End Function
+
+
+Function verify_win32compat() as String
+    passCount = 0
+    failCount = 0
+
+    result = "Test Results" & Chr$(10) & "================" & Chr$(10)
+
+    Dim freq As Currency
+    Dim count_a As Currency
+    Dim count_b As Currency
+    Dim success As Long
+
+    On Error GoTo errorHandler
+
+    success = QueryPerformanceFrequency(freq)
+    TestLog_ASSERT success <> 0, "fetching perf. frequency"
+    TestLog_ASSERT freq > 0, "perf. frequency is incorrect " & freq
+
+    success = QueryPerformanceCounter(count_a)
+    TestLog_ASSERT success <> 0, "fetching performance count"
+
+    success = QueryPerformanceCounter(count_b)
+    TestLog_ASSERT success <> 0, "fetching performance count"
+    TestLog_ASSERT count_a < count_b, "count mismatch " & count_a & " is > " & count_b
+
+    verify_win32compat = "OK"
+    Exit Function
+
+errorHandler:
+    TestLog_ASSERT (False), "hit error handler"
+    verify_win32compat = result
+
+End Function
+
+Sub TestLog_ASSERT(assertion As Boolean, Optional testId As String, Optional testComment As String)
+
+    If assertion = True Then
+        passCount = passCount + 1
+    Else
+        Dim testMsg As String
+        If Not IsMissing(testId) Then
+            testMsg = testMsg + " : " + testId
+        End If
+        If Not IsMissing(testComment) And Not (testComment = "") Then
+            testMsg = testMsg + " (" + testComment + ")"
+        End If
+
+        result = result & Chr$(10) & " Failed: " & testMsg
+        failCount = failCount + 1
+    End If
+
+End Sub
diff --git a/basic/source/runtime/dllmgr-none.cxx b/basic/source/runtime/dllmgr-none.cxx
index 5272d172df2f..10079d65bbd9 100644
--- a/basic/source/runtime/dllmgr-none.cxx
+++ b/basic/source/runtime/dllmgr-none.cxx
@@ -26,23 +26,68 @@
 
 #include <basic/sbx.hxx>
 #include <basic/sbxvar.hxx>
-#include <osl/thread.h>
 #include <rtl/ref.hxx>
 #include <rtl/string.hxx>
 #include <rtl/ustring.hxx>
 #include <salhelper/simplereferenceobject.hxx>
+#include <osl/time.h>
 
 #include "dllmgr.hxx"
 
 struct SbiDllMgr::Impl {};
 
-SbError SbiDllMgr::Call(
-    OUString const &, OUString const &, SbxArray *, SbxVariable &,
-    bool)
+namespace {
+
+// Overcome the mess of Currency vs. custom types etc.
+SbError returnInt64(SbxArray *pArgs, SbxVariable &rRetVal,
+                    sal_Int64 nValue)
+{
+    if (!rRetVal.PutLong(true) && !rRetVal.PutInteger(true))
+        return ERRCODE_BASIC_BAD_ARGUMENT;
+    if (!pArgs || pArgs->Count() != 2)
+        return ERRCODE_BASIC_BAD_ARGUMENT;
+    SbxVariable *pOut = pArgs->Get(1);
+    if (!pOut)
+        return ERRCODE_BASIC_BAD_ARGUMENT;
+    if (pOut->IsCurrency())
+    {
+        pOut->PutCurrency(nValue);
+        return ERRCODE_NONE;
+    }
+    // FIXME: tolerate custom type bits ...
+    return ERRCODE_BASIC_BAD_ARGUMENT;
+}
+
+SbError builtin_kernel32(const OUString &aFuncName, SbxArray *pArgs,
+                         SbxVariable &rRetVal)
 {
+    sal_Int64 nNanoSecsPerSec = 1000.0*1000*1000;
+    if (aFuncName == "QueryPerformanceFrequency")
+        return returnInt64(pArgs, rRetVal, nNanoSecsPerSec);
+
+    else if (aFuncName == "QueryPerformanceCounter")
+    {
+        TimeValue aNow;
+        osl_getSystemTime( &aNow );
+        sal_Int64 nStamp = aNow.Nanosec + aNow.Seconds * nNanoSecsPerSec;
+        return returnInt64(pArgs, rRetVal, nStamp);
+    }
     return ERRCODE_BASIC_NOT_IMPLEMENTED;
 }
 
+};
+
+SbError SbiDllMgr::Call(
+    const OUString &aFuncName, const OUString &aDllName,
+    SbxArray *pArgs, SbxVariable &rRetVal,
+    bool /* bCDecl */)
+{
+    if (aDllName == "kernel32")
+        return builtin_kernel32(aFuncName, pArgs, rRetVal);
+    else
+        return ERRCODE_BASIC_NOT_IMPLEMENTED;
+}
+
 void SbiDllMgr::FreeDll(OUString const &) {}
 
 SbiDllMgr::SbiDllMgr(): impl_(new Impl) {}