[C++] Added object pool handling for CompletionAssistProvider.

Change-Id: I89634989a7f360a30f7ed1bde4e67c93551ddfe4
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>

1 files changed, 108 insertions, 0 deletions

diff --git a/src/plugins/cpptools/cppcompletionassistprovider.cpp b/src/plugins/cpptools/cppcompletionassistprovider.cpp
new file mode 100644
index 0000000000..04d1e17012
--- /dev/null
+++ b/src/plugins/cpptools/cppcompletionassistprovider.cpp
@@ -0,0 +1,108 @@
+#include "cppcompletionassistprovider.h"
+
+#include <cppeditor/cppeditorconstants.h>
+
+#include <Token.h>
+
+using namespace CPlusPlus;
+using namespace CppTools;
+
+// ---------------------------
+// CppCompletionAssistProvider
+// ---------------------------
+bool CppCompletionAssistProvider::supportsEditor(const Core::Id &editorId) const
+{
+    return editorId == Core::Id(CppEditor::Constants::CPPEDITOR_ID);
+}
+
+int CppCompletionAssistProvider::activationCharSequenceLength() const
+{
+    return 3;
+}
+
+bool CppCompletionAssistProvider::isActivationCharSequence(const QString &sequence) const
+{
+    const QChar &ch  = sequence.at(2);
+    const QChar &ch2 = sequence.at(1);
+    const QChar &ch3 = sequence.at(0);
+    if (activationSequenceChar(ch, ch2, ch3, 0, true) != 0)
+        return true;
+    return false;
+}
+
+int CppCompletionAssistProvider::activationSequenceChar(const QChar &ch,
+                                                        const QChar &ch2,
+                                                        const QChar &ch3,
+                                                        unsigned *kind,
+                                                        bool wantFunctionCall)
+{
+    int referencePosition = 0;
+    int completionKind = T_EOF_SYMBOL;
+    switch (ch.toLatin1()) {
+    case '.':
+        if (ch2 != QLatin1Char('.')) {
+            completionKind = T_DOT;
+            referencePosition = 1;
+        }
+        break;
+    case ',':
+        completionKind = T_COMMA;
+        referencePosition = 1;
+        break;
+    case '(':
+        if (wantFunctionCall) {
+            completionKind = T_LPAREN;
+            referencePosition = 1;
+        }
+        break;
+    case ':':
+        if (ch3 != QLatin1Char(':') && ch2 == QLatin1Char(':')) {
+            completionKind = T_COLON_COLON;
+            referencePosition = 2;
+        }
+        break;
+    case '>':
+        if (ch2 == QLatin1Char('-')) {
+            completionKind = T_ARROW;
+            referencePosition = 2;
+        }
+        break;
+    case '*':
+        if (ch2 == QLatin1Char('.')) {
+            completionKind = T_DOT_STAR;
+            referencePosition = 2;
+        } else if (ch3 == QLatin1Char('-') && ch2 == QLatin1Char('>')) {
+            completionKind = T_ARROW_STAR;
+            referencePosition = 3;
+        }
+        break;
+    case '\\':
+    case '@':
+        if (ch2.isNull() || ch2.isSpace()) {
+            completionKind = T_DOXY_COMMENT;
+            referencePosition = 1;
+        }
+        break;
+    case '<':
+        completionKind = T_ANGLE_STRING_LITERAL;
+        referencePosition = 1;
+        break;
+    case '"':
+        completionKind = T_STRING_LITERAL;
+        referencePosition = 1;
+        break;
+    case '/':
+        completionKind = T_SLASH;
+        referencePosition = 1;
+        break;
+    case '#':
+        completionKind = T_POUND;
+        referencePosition = 1;
+        break;
+    }
+
+    if (kind)
+        *kind = completionKind;
+
+    return referencePosition;
+}