From 1f6ef884e6de79e21f456e8b8f5dc2bb0fb4e857 Mon Sep 17 00:00:00 2001
From: Roy Qu <royqh1979@gmail.com>
Date: Sun, 2 Jun 2024 18:57:52 +0800
Subject: [PATCH] - enhancement: Support operator() overload.

---
 NEWS.md                          |  1 +
 RedPandaIDE/parser/cppparser.cpp | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/NEWS.md b/NEWS.md
index 82bbedba..f522bab5 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -15,6 +15,7 @@ Red Panda C++ Version 3.1
   - fix: Mingw32-make doesn't work correctly if there are bash in the path.
   - fix: All color scheme names are incorrectly displayed as bold, if the current one is a customed one.
   - fix: Variables defined by using alias can't show completion info.
+  - enhancement: Support operator() overload.
 
 Red Panda C++ Version 3.0
 
diff --git a/RedPandaIDE/parser/cppparser.cpp b/RedPandaIDE/parser/cppparser.cpp
index 84bea986..66da1f92 100644
--- a/RedPandaIDE/parser/cppparser.cpp
+++ b/RedPandaIDE/parser/cppparser.cpp
@@ -5127,6 +5127,24 @@ PEvalStatement CppParser::doEvalMemberAccess(const QString &fileName,
 //                if (result->effectiveTypeStatement)
 //                    qDebug()<<"typeStatement"<<result->effectiveTypeStatement->fullName;
                 result->kind = EvalStatementKind::Variable;
+            } else if(result->kind == EvalStatementKind::Variable
+                      && result->effectiveTypeStatement
+                      && result->effectiveTypeStatement->kind == StatementKind::Class) {
+                //overload of operator ()
+                const StatementMap& statementMap = mStatementList.childrenStatements(result->effectiveTypeStatement);
+                if (statementMap.isEmpty())
+                    result = PEvalStatement();
+                else {
+                    PStatement operStatement = statementMap.value("operator()");
+                    if (operStatement) {
+                        doSkipInExpression(phraseExpression,pos,"(",")");
+                        PEvalStatement temp = doCreateEvalFunction(fileName,operStatement);
+                        result->effectiveTypeStatement = temp->effectiveTypeStatement;
+                        result->kind = EvalStatementKind::Variable;
+                    } else {
+                        result = PEvalStatement();
+                    }
+                }
             } else {
                 result = PEvalStatement();
             }