From 5e79e361c97e88b4a5912990eda0f1fb0d4a6dbd Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 13 Oct 2018 00:09:22 +0200
Subject: Add posix as a platform, remove zig from compile_commands.json

---
 src/Platform.cpp | 50 ++++++++++++++++++++++----------------------------
 1 file changed, 22 insertions(+), 28 deletions(-)

(limited to 'src/Platform.cpp')

diff --git a/src/Platform.cpp b/src/Platform.cpp
index dd81667..b011d93 100644
--- a/src/Platform.cpp
+++ b/src/Platform.cpp
@@ -3,27 +3,29 @@
 
 namespace sibs
 {
-    static int countSetBits(u32 value)
+    static std::unordered_map<Platform, const char*> platformNames;
+    static bool platformNamesSet = false;
+    static int countSetBits(u64 value)
     {
         int count = 0;
         while(value)
         {
-            count += (value & 1U);
-            value >>= 1U;
+            count += (value & 1ULL);
+            value >>= 1ULL;
         }
         return count;
     }
 
     // Returns -1 if no bit is set
-    static int getLeastSignificantBitSetPosition(u32 value)
+    static u64 getLeastSignificantBitSetPosition(u64 value)
     {
-        for(u32 i = 0; i < sizeof(u32); ++i)
+        for(u64 i = 0; i < sizeof(u64); ++i)
         {
-            if(value & 1U)
+            if(value & 1ULL)
                 return i;
-            value >>= 1U;
+            value >>= 1ULL;
         }
-        return -1;
+        return -1ULL;
     }
 
     bool containsPlatform(const std::vector<Platform> &platforms, Platform platform)
@@ -38,27 +40,19 @@ namespace sibs
 
     const char* asString(Platform platform)
     {
-        switch (platform)
+        if(!platformNamesSet)
         {
-            case PLATFORM_ANY:          return "any";
-            case PLATFORM_LINUX:        return "linux";
-            case PLATFORM_LINUX32:      return "linux32";
-            case PLATFORM_LINUX64:      return "linux64";
-            case PLATFORM_WIN:          return "win";
-            case PLATFORM_WIN32:        return "win32";
-            case PLATFORM_WIN64:        return "win64";
-            case PLATFORM_MACOS:        return "macos";
-            case PLATFORM_MACOS32:      return "macos32";
-            case PLATFORM_MACOS64:      return "macos64";
-            case PLATFORM_BSD:          return "bsd";
-            case PLATFORM_OPENBSD:      return "openbsd";
-            case PLATFORM_OPENBSD32:    return "openbsd32";
-            case PLATFORM_OPENBSD64:    return "openbsd64";
-            case PLATFORM_HAIKU:        return "haiku";
-            case PLATFORM_HAIKU32:      return "haiku32";
-            case PLATFORM_HAIKU64:      return "haiku64";
-            default:                    assert(false); return nullptr;
+            platformNamesSet = true;
+            for(auto &it : PLATFORM_BY_NAME)
+            {
+                platformNames[it.second] = it.first.data;
+            }
         }
+
+        auto it = platformNames.find(platform);
+        if(it != platformNames.end())
+            return it->second;
+        return nullptr;
     }
 
     Platform getPlatformByName(StringView name)
@@ -83,6 +77,6 @@ namespace sibs
     {
         if(platform == PLATFORM_INVALID || platform == PLATFORM_ANY)
             return PLATFORM_INVALID;
-        return (Platform)(1U << (u32)getLeastSignificantBitSetPosition(platform));
+        return (Platform)(1ULL << (u64)getLeastSignificantBitSetPosition(platform));
     }
 }
-- 
cgit v1.2.3