From 8f1a50ffc0eb2c2b5e5cc385f3006323eacd25e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <daniel.marjamaki@gmail.com>
Date: Fri, 10 Jan 2020 16:19:01 +0100
Subject: [PATCH] Clang import; CStyleCastExpr

---
 lib/clangastdump.cpp      | 14 ++++++++++++++
 test/testclangastdump.cpp |  8 ++++++++
 2 files changed, 22 insertions(+)

diff --git a/lib/clangastdump.cpp b/lib/clangastdump.cpp
index c4bd636bc..6028a50bc 100644
--- a/lib/clangastdump.cpp
+++ b/lib/clangastdump.cpp
@@ -35,6 +35,7 @@ static const std::string ClassTemplateDecl = "ClassTemplateDecl";
 static const std::string ClassTemplateSpecializationDecl = "ClassTemplateSpecializationDecl";
 static const std::string CompoundStmt = "CompoundStmt";
 static const std::string ContinueStmt = "ContinueStmt";
+static const std::string CStyleCastExpr = "CStyleCastExpr";
 static const std::string CXXBoolLiteralExpr = "CXXBoolLiteralExpr";
 static const std::string CXXConstructorDecl = "CXXConstructorDecl";
 static const std::string CXXMemberCallExpr = "CXXMemberCallExpr";
@@ -248,6 +249,10 @@ std::string clangastdump::AstNode::getType() const
 {
     if (nodeType == BinaryOperator)
         return unquote(mExtTokens[mExtTokens.size() - 2]);
+    if (nodeType == CStyleCastExpr)
+        return unquote((mExtTokens.back() == "<NoOp>") ?
+                       mExtTokens[mExtTokens.size() - 2] :
+                       mExtTokens.back());
     if (nodeType == CXXStaticCastExpr)
         return unquote(mExtTokens[mExtTokens.size() - 3]);
     if (nodeType == DeclRefExpr)
@@ -497,6 +502,15 @@ Token *clangastdump::AstNode::createTokens(TokenList *tokenList)
             createTokensFunctionDecl(tokenList);
         return nullptr;
     }
+    if (nodeType == CStyleCastExpr) {
+        Token *par1 = addtoken(tokenList, "(");
+        addTypeTokens(tokenList, '\'' + getType() + '\'');
+        Token *par2 = addtoken(tokenList, ")");
+        par1->link(par2);
+        par2->link(par1);
+        par1->astOperand1(children[0]->createTokens(tokenList));
+        return par1;
+    }
     if (nodeType == CXXBoolLiteralExpr) {
         addtoken(tokenList, mExtTokens.back());
         tokenList->back()->setValueType(new ValueType(ValueType::Sign::UNKNOWN_SIGN, ValueType::Type::BOOL, 0));
diff --git a/test/testclangastdump.cpp b/test/testclangastdump.cpp
index 863c053ee..500b55a95 100644
--- a/test/testclangastdump.cpp
+++ b/test/testclangastdump.cpp
@@ -35,6 +35,7 @@ private:
         TEST_CASE(classTemplateDecl1);
         TEST_CASE(classTemplateDecl2);
         TEST_CASE(continueStmt);
+        TEST_CASE(cstyleCastExpr);
         TEST_CASE(cxxBoolLiteralExpr);
         TEST_CASE(cxxConstructorDecl);
         TEST_CASE(cxxMemberCall);
@@ -175,6 +176,13 @@ private:
         ASSERT_EQUALS("void foo ( ) { while ( 0 ) { continue ; } }", parse(clang));
     }
 
+    void cstyleCastExpr() {
+        const char clang[] = "`-VarDecl 0x2336aa0 <1.c:1:1, col:14> col:5 x 'int' cinit\n"
+                             "  `-CStyleCastExpr 0x2336b70 <col:9, col:14> 'int' <NoOp>\n"
+                             "    `-CharacterLiteral 0x2336b40 <col:14> 'int' 97";
+        ASSERT_EQUALS("int x@1 = ( int ) 'a' ;", parse(clang));
+    }
+
     void cxxBoolLiteralExpr() {
         const char clang[] = "`-VarDecl 0x3940608 <a.cpp:1:1, col:10> col:6 x 'bool' cinit\n"
                              "  `-CXXBoolLiteralExpr 0x39406a8 <col:10> 'bool' true";