From 74951903126b913bd5fe05fc3502aeb4d69c166d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <hyd_danmar@users.sourceforge.net>
Date: Mon, 5 Jan 2009 09:26:00 +0000
Subject: [PATCH] Preprocessor: Began work on the macro handling

---
 preprocessor.cpp     | 34 ++++++++++++++++++++++++++++++++++
 preprocessor.h       |  2 ++
 testpreprocessor.cpp | 16 ++++++++++++++++
 3 files changed, 52 insertions(+)

diff --git a/preprocessor.cpp b/preprocessor.cpp
index 878d82b04..3aa6de181 100644
--- a/preprocessor.cpp
+++ b/preprocessor.cpp
@@ -407,3 +407,37 @@ std::string Preprocessor::getcode(const std::string &filedata, std::string cfg)
     return ret.str();
 }
 
+
+
+static std::string Preprocessor::expandMacros( std::string code )
+{
+    std::list<std::string> macros;
+
+    // Get macros..
+    std::string::size_type defpos = 0;
+    while ((defpos = code.find("#define", defpos)) != std::string::npos)
+    {
+        // Get macro..
+        std::string::size_type endpos = code.find("\n", defpos + 6);
+        while (endpos != std::string::npos && code[endpos-1] == '\\')
+            endpos = code.find("\n", endpos + 1);
+        if (endpos == std::string::npos)
+        {
+            code.erase( defpos );
+            break;
+        }
+
+        macros.push_back( code.substr( defpos, endpos - defpos ) );
+        code.erase( defpos, endpos + 1 - defpos );
+    }
+
+    // Expand macros..
+    for (std::list<std::string>::const_iterator it = macros.begin(); it != macros.end(); ++it)
+    {
+        const std::string &macro(*it);
+
+    }
+
+    return code;
+}
+
diff --git a/preprocessor.h b/preprocessor.h
index 70735c7a2..895f279dd 100644
--- a/preprocessor.h
+++ b/preprocessor.h
@@ -88,6 +88,8 @@ private:
     static std::string getdef(std::string line, bool def);
 
     static bool match_cfg_def( std::string cfg, const std::string &def );
+
+    static std::string expandMacros( const std::string &code );
 };
 
 //---------------------------------------------------------------------------
diff --git a/testpreprocessor.cpp b/testpreprocessor.cpp
index 7961feb44..d74e20afa 100644
--- a/testpreprocessor.cpp
+++ b/testpreprocessor.cpp
@@ -64,6 +64,9 @@ private:
         TEST_CASE( multiline );
 
         TEST_CASE( if_defined );    // "#if defined(AAA)" => "#ifdef AAA"
+
+        // Macros..
+        TEST_CASE( macro1 );
     }
 
 
@@ -458,6 +461,19 @@ private:
     }
 
 
+    void macro1()
+    {
+        const char filedata[] = "#define AAA(aa) f(aa)\n"
+                                "AAA(5);\n";
+
+        // Expected result..
+        std::string expected( "\nf(5);\n" );
+
+        // Compare result..
+        //ASSERT_EQUALS( expected, Preprocessor::expandMacros(filedata) );
+    }
+
+
 };
 
 REGISTER_TEST( TestPreprocessor )