From bd6fd0a58ef50e1fa214ad4d5c337ebaa1d7cc29 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sat, 13 Jun 2015 12:27:44 +0300
Subject: Add parsiong node COMPONENT_REF.

---
 src/parsers/base/expr.cpp          | 16 +++++++++++++
 src/parsers/base/expr.h            |  6 +++++
 src/parsers/expr/component_ref.cpp | 49 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 71 insertions(+)
 create mode 100644 src/parsers/expr/component_ref.cpp

(limited to 'src/parsers')

diff --git a/src/parsers/base/expr.cpp b/src/parsers/base/expr.cpp
index e458366..9889a41 100644
--- a/src/parsers/base/expr.cpp
+++ b/src/parsers/base/expr.cpp
@@ -63,4 +63,20 @@ void fillExprOperands(ExprNode *node)
     }
 }
 
+Node *getExprOperand(ExprNode *node,
+                     const int pos,
+                     const std::string &tag)
+{
+    if (!node || node->gccNode == NULL_TREE)
+        return nullptr;
+    const int sz = TREE_OPERAND_LENGTH(node->gccNode);
+    if (sz >= pos)
+        return nullptr;
+
+    return createParseNode(
+        node,
+        TREE_OPERAND (node->gccNode, pos),
+        tag);
+}
+
 }
diff --git a/src/parsers/base/expr.h b/src/parsers/base/expr.h
index 9067133..33cfc33 100644
--- a/src/parsers/base/expr.h
+++ b/src/parsers/base/expr.h
@@ -20,6 +20,8 @@
 #ifndef PARSERS_BASE_EXPR_H
 #define PARSERS_BASE_EXPR_H
 
+#include <string>
+
 struct ExprNode;
 struct Node;
 
@@ -28,6 +30,10 @@ namespace Generic
     void fillExprLocation(Node *node);
 
     void fillExprOperands(ExprNode *node);
+
+    Node *getExprOperand(ExprNode *node,
+                         const int pos,
+                         const std::string &tag);
 }
 
 #endif // PARSERS_BASE_EXPR_H
diff --git a/src/parsers/expr/component_ref.cpp b/src/parsers/expr/component_ref.cpp
new file mode 100644
index 0000000..039996c
--- /dev/null
+++ b/src/parsers/expr/component_ref.cpp
@@ -0,0 +1,49 @@
+/*
+ *  Copyright (C) 2015  Andrei Karas
+ *
+ *  This file is part of AstDumper.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "includes/parserincludes.h"
+
+parserDefine(ComponentRef);
+
+#include "parsers/base/expr.h"
+
+#include "nodes/decl/field_decl.h"
+
+#include "nodes/expr/component_ref.h"
+
+namespace Generic
+{
+
+void parseComponentRefNode(ComponentRefNode *node)
+{
+    fillType(node);
+    Log::dump(node);
+
+    fillExprOperands(node);
+
+    node->object = getExprOperand(node, 0, "object");
+    node->field = static_cast<FieldDeclNode*>(
+        getExprOperand(node, 1, "field"));
+
+    // args 0 object
+    // args 1 FIELD_DECL of member
+    // args 2 offset, better use component_ref_field_offset
+}
+
+}
-- 
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