Move all core types into namespaces (#1886)

* Reorganize namespaces

- Most types are now moved into the `melonDS` namespace
- Only good chance to do this for a while, since a big refactor is next

* Fix the build

6 files changed, 12 insertions, 11 deletions

diff --git a/src/ARMJIT_x64/ARMJIT_ALU.cpp b/src/ARMJIT_x64/ARMJIT_ALU.cpp
index bdc17e8..69449ff 100644
--- a/src/ARMJIT_x64/ARMJIT_ALU.cpp
+++ b/src/ARMJIT_x64/ARMJIT_ALU.cpp
@@ -21,7 +21,7 @@
 
 using namespace Gen;
 
-namespace ARMJIT
+namespace melonDS
 {
 
 // uses RSCRATCH3
@@ -129,7 +129,7 @@ OpArg Compiler::A_Comp_GetALUOp2(bool S, bool& carryUsed)
         Comp_AddCycles_C();
 
         u32 shift = (CurInstr.Instr >> 7) & 0x1E;
-        u32 imm = ::ROR(CurInstr.Instr & 0xFF, shift);
+        u32 imm = melonDS::ROR(CurInstr.Instr & 0xFF, shift);
 
         carryUsed = false;
         if (S && shift)
diff --git a/src/ARMJIT_x64/ARMJIT_Branch.cpp b/src/ARMJIT_x64/ARMJIT_Branch.cpp
index ae7d1ae..5d76447 100644
--- a/src/ARMJIT_x64/ARMJIT_Branch.cpp
+++ b/src/ARMJIT_x64/ARMJIT_Branch.cpp
@@ -21,7 +21,7 @@
 
 using namespace Gen;
 
-namespace ARMJIT
+namespace melonDS
 {
 
 template <typename T>
diff --git a/src/ARMJIT_x64/ARMJIT_Compiler.cpp b/src/ARMJIT_x64/ARMJIT_Compiler.cpp
index 5506db7..9fc7237 100644
--- a/src/ARMJIT_x64/ARMJIT_Compiler.cpp
+++ b/src/ARMJIT_x64/ARMJIT_Compiler.cpp
@@ -34,10 +34,11 @@
 #endif
 
 using namespace Gen;
+using namespace Common;
 
 extern "C" void ARM_Ret();
 
-namespace ARMJIT
+namespace melonDS
 {
 template <>
 const X64Reg RegisterCache<Compiler, X64Reg>::NativeRegAllocOrder[] =
@@ -141,7 +142,7 @@ void Compiler::A_Comp_MSR()
     Comp_AddCycles_C();
 
     OpArg val = CurInstr.Instr & (1 << 25)
-        ? Imm32(::ROR((CurInstr.Instr & 0xFF), ((CurInstr.Instr >> 7) & 0x1E)))
+        ? Imm32(melonDS::ROR((CurInstr.Instr & 0xFF), ((CurInstr.Instr >> 7) & 0x1E)))
         : MapReg(CurInstr.A_Reg(0));
 
     u32 mask = 0;
diff --git a/src/ARMJIT_x64/ARMJIT_Compiler.h b/src/ARMJIT_x64/ARMJIT_Compiler.h
index 84efb35..f38a6c3 100644
--- a/src/ARMJIT_x64/ARMJIT_Compiler.h
+++ b/src/ARMJIT_x64/ARMJIT_Compiler.h
@@ -30,11 +30,11 @@
 
 #include <unordered_map>
 
-class ARMJIT_Memory;
 
-namespace ARMJIT
+namespace melonDS
 {
 class ARMJIT;
+class ARMJIT_Memory;
 const Gen::X64Reg RCPU = Gen::RBP;
 const Gen::X64Reg RCPSR = Gen::R15;
 
@@ -172,7 +172,7 @@ public:
         memop_SubtractOffset = 1 << 4
     };
     void Comp_MemAccess(int rd, int rn, const Op2& op2, int size, int flags);
-    s32 Comp_MemAccessBlock(int rn, BitSet16 regs, bool store, bool preinc, bool decrement, bool usermode, bool skipLoadingRn);
+    s32 Comp_MemAccessBlock(int rn, Common::BitSet16 regs, bool store, bool preinc, bool decrement, bool usermode, bool skipLoadingRn);
     bool Comp_MemLoadLiteral(int size, bool signExtend, int rd, u32 addr);
 
     void Comp_ArithTriOp(void (Compiler::*op)(int, const Gen::OpArg&, const Gen::OpArg&),
diff --git a/src/ARMJIT_x64/ARMJIT_GenOffsets.cpp b/src/ARMJIT_x64/ARMJIT_GenOffsets.cpp
index 0961fdd..e2a74ee 100644
--- a/src/ARMJIT_x64/ARMJIT_GenOffsets.cpp
+++ b/src/ARMJIT_x64/ARMJIT_GenOffsets.cpp
@@ -17,7 +17,7 @@
 */
 
 #include "../ARM.h"
-
+using namespace melonDS;
 int main(int argc, char* argv[])
 {
     FILE* f = fopen("ARMJIT_Offsets.h", "w");
diff --git a/src/ARMJIT_x64/ARMJIT_LoadStore.cpp b/src/ARMJIT_x64/ARMJIT_LoadStore.cpp
index 1433429..9b7d865 100644
--- a/src/ARMJIT_x64/ARMJIT_LoadStore.cpp
+++ b/src/ARMJIT_x64/ARMJIT_LoadStore.cpp
@@ -21,7 +21,7 @@
 
 using namespace Gen;
 
-namespace ARMJIT
+namespace melonDS
 {
 
 template <typename T>
@@ -85,7 +85,7 @@ bool Compiler::Comp_MemLoadLiteral(int size, bool signExtend, int rd, u32 addr)
     if (size == 32)
     {
         CurCPU->DataRead32(addr & ~0x3, &val);
-        val = ::ROR(val, (addr & 0x3) << 3);
+        val = melonDS::ROR(val, (addr & 0x3) << 3);
     }
     else if (size == 16)
     {