core: Make variable shadowing a compile-time error

Now that we have most of core free of shadowing, we can enable the
warning as an error to catch anything that may be remaining and also
eliminate this class of logic bug entirely.

12 files changed, 34 insertions, 25 deletions

diff --git a/src/core/file_sys/nca_metadata.cpp b/src/core/file_sys/nca_metadata.cpp
index 3596541b2..f5cb4aa8c 100644
--- a/src/core/file_sys/nca_metadata.cpp
+++ b/src/core/file_sys/nca_metadata.cpp
@@ -39,10 +39,10 @@ CNMT::CNMT(VirtualFile file) {
     }
 }
 
-CNMT::CNMT(CNMTHeader header, OptionalHeader opt_header, std::vector<ContentRecord> content_records,
-           std::vector<MetaRecord> meta_records)
-    : header(std::move(header)), opt_header(std::move(opt_header)),
-      content_records(std::move(content_records)), meta_records(std::move(meta_records)) {}
+CNMT::CNMT(CNMTHeader header_, OptionalHeader opt_header_,
+           std::vector<ContentRecord> content_records_, std::vector<MetaRecord> meta_records_)
+    : header(std::move(header_)), opt_header(std::move(opt_header_)),
+      content_records(std::move(content_records_)), meta_records(std::move(meta_records_)) {}
 
 CNMT::~CNMT() = default;
 
diff --git a/src/core/file_sys/nca_metadata.h b/src/core/file_sys/nca_metadata.h
index 53535e5f5..ce1138a17 100644
--- a/src/core/file_sys/nca_metadata.h
+++ b/src/core/file_sys/nca_metadata.h
@@ -87,8 +87,8 @@ static_assert(sizeof(CNMTHeader) == 0x20, "CNMTHeader has incorrect size.");
 class CNMT {
 public:
     explicit CNMT(VirtualFile file);
-    CNMT(CNMTHeader header, OptionalHeader opt_header, std::vector<ContentRecord> content_records,
-         std::vector<MetaRecord> meta_records);
+    CNMT(CNMTHeader header_, OptionalHeader opt_header_,
+         std::vector<ContentRecord> content_records_, std::vector<MetaRecord> meta_records_);
     ~CNMT();
 
     u64 GetTitleID() const;
diff --git a/src/core/file_sys/submission_package.cpp b/src/core/file_sys/submission_package.cpp
index 80e560970..d51d469e3 100644
--- a/src/core/file_sys/submission_package.cpp
+++ b/src/core/file_sys/submission_package.cpp
@@ -20,8 +20,8 @@
 
 namespace FileSys {
 
-NSP::NSP(VirtualFile file_, std::size_t program_index)
-    : file(std::move(file_)), program_index(program_index), status{Loader::ResultStatus::Success},
+NSP::NSP(VirtualFile file_, std::size_t program_index_)
+    : file(std::move(file_)), program_index(program_index_), status{Loader::ResultStatus::Success},
       pfs(std::make_shared<PartitionFilesystem>(file)), keys{Core::Crypto::KeyManager::Instance()} {
     if (pfs->GetStatus() != Loader::ResultStatus::Success) {
         status = pfs->GetStatus();
diff --git a/src/core/file_sys/submission_package.h b/src/core/file_sys/submission_package.h
index 54581a6f3..ecb3b6f15 100644
--- a/src/core/file_sys/submission_package.h
+++ b/src/core/file_sys/submission_package.h
@@ -27,7 +27,7 @@ enum class ContentRecordType : u8;
 
 class NSP : public ReadOnlyVfsDirectory {
 public:
-    explicit NSP(VirtualFile file, std::size_t program_index = 0);
+    explicit NSP(VirtualFile file_, std::size_t program_index_ = 0);
     ~NSP() override;
 
     Loader::ResultStatus GetStatus() const;
diff --git a/src/core/file_sys/vfs_concat.cpp b/src/core/file_sys/vfs_concat.cpp
index 619081502..5f8c09124 100644
--- a/src/core/file_sys/vfs_concat.cpp
+++ b/src/core/file_sys/vfs_concat.cpp
@@ -23,8 +23,8 @@ static bool VerifyConcatenationMapContinuity(const std::multimap<u64, VirtualFil
     return map.begin()->first == 0;
 }
 
-ConcatenatedVfsFile::ConcatenatedVfsFile(std::vector<VirtualFile> files_, std::string name)
-    : name(std::move(name)) {
+ConcatenatedVfsFile::ConcatenatedVfsFile(std::vector<VirtualFile> files_, std::string name_)
+    : name(std::move(name_)) {
     std::size_t next_offset = 0;
     for (const auto& file : files_) {
         files.emplace(next_offset, file);
@@ -32,8 +32,8 @@ ConcatenatedVfsFile::ConcatenatedVfsFile(std::vector<VirtualFile> files_, std::s
     }
 }
 
-ConcatenatedVfsFile::ConcatenatedVfsFile(std::multimap<u64, VirtualFile> files_, std::string name)
-    : files(std::move(files_)), name(std::move(name)) {
+ConcatenatedVfsFile::ConcatenatedVfsFile(std::multimap<u64, VirtualFile> files_, std::string name_)
+    : files(std::move(files_)), name(std::move(name_)) {
     ASSERT(VerifyConcatenationMapContinuity(files));
 }
 
diff --git a/src/core/file_sys/vfs_concat.h b/src/core/file_sys/vfs_concat.h
index 3397d32cd..cd32960a5 100644
--- a/src/core/file_sys/vfs_concat.h
+++ b/src/core/file_sys/vfs_concat.h
@@ -14,8 +14,8 @@ namespace FileSys {
 // Class that wraps multiple vfs files and concatenates them, making reads seamless. Currently
 // read-only.
 class ConcatenatedVfsFile : public VfsFile {
-    ConcatenatedVfsFile(std::vector<VirtualFile> files, std::string name);
-    ConcatenatedVfsFile(std::multimap<u64, VirtualFile> files, std::string name);
+    explicit ConcatenatedVfsFile(std::vector<VirtualFile> files, std::string name_);
+    explicit ConcatenatedVfsFile(std::multimap<u64, VirtualFile> files, std::string name_);
 
 public:
     ~ConcatenatedVfsFile() override;
diff --git a/src/core/file_sys/vfs_layered.cpp b/src/core/file_sys/vfs_layered.cpp
index 192740058..e093c4db2 100644
--- a/src/core/file_sys/vfs_layered.cpp
+++ b/src/core/file_sys/vfs_layered.cpp
@@ -8,8 +8,8 @@
 
 namespace FileSys {
 
-LayeredVfsDirectory::LayeredVfsDirectory(std::vector<VirtualDir> dirs, std::string name)
-    : dirs(std::move(dirs)), name(std::move(name)) {}
+LayeredVfsDirectory::LayeredVfsDirectory(std::vector<VirtualDir> dirs_, std::string name_)
+    : dirs(std::move(dirs_)), name(std::move(name_)) {}
 
 LayeredVfsDirectory::~LayeredVfsDirectory() = default;
 
diff --git a/src/core/file_sys/vfs_layered.h b/src/core/file_sys/vfs_layered.h
index cb4b32e91..cd6baf28c 100644
--- a/src/core/file_sys/vfs_layered.h
+++ b/src/core/file_sys/vfs_layered.h
@@ -13,7 +13,7 @@ namespace FileSys {
 // one and falling back to the one after. The highest priority directory (overwrites all others)
 // should be element 0 in the dirs vector.
 class LayeredVfsDirectory : public VfsDirectory {
-    LayeredVfsDirectory(std::vector<VirtualDir> dirs, std::string name);
+    explicit LayeredVfsDirectory(std::vector<VirtualDir> dirs_, std::string name_);
 
 public:
     ~LayeredVfsDirectory() override;
diff --git a/src/core/file_sys/vfs_libzip.cpp b/src/core/file_sys/vfs_libzip.cpp
index 429d7bc8b..618eb658a 100644
--- a/src/core/file_sys/vfs_libzip.cpp
+++ b/src/core/file_sys/vfs_libzip.cpp
@@ -3,7 +3,16 @@
 // Refer to the license.txt file included.
 
 #include <string>
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wshadow"
+#endif
 #include <zip.h>
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
 #include "common/logging/backend.h"
 #include "core/file_sys/vfs.h"
 #include "core/file_sys/vfs_libzip.h"
diff --git a/src/core/file_sys/vfs_static.h b/src/core/file_sys/vfs_static.h
index c840b24b9..f5b66cf71 100644
--- a/src/core/file_sys/vfs_static.h
+++ b/src/core/file_sys/vfs_static.h
@@ -14,9 +14,9 @@ namespace FileSys {
 
 class StaticVfsFile : public VfsFile {
 public:
-    explicit StaticVfsFile(u8 value, std::size_t size = 0, std::string name = "",
-                           VirtualDir parent = nullptr)
-        : value{value}, size{size}, name{std::move(name)}, parent{std::move(parent)} {}
+    explicit StaticVfsFile(u8 value_, std::size_t size_ = 0, std::string name_ = "",
+                           VirtualDir parent_ = nullptr)
+        : value{value_}, size{size_}, name{std::move(name_)}, parent{std::move(parent_)} {}
 
     std::string GetName() const override {
         return name;
diff --git a/src/core/file_sys/vfs_vector.cpp b/src/core/file_sys/vfs_vector.cpp
index 1a3f06227..f64b88639 100644
--- a/src/core/file_sys/vfs_vector.cpp
+++ b/src/core/file_sys/vfs_vector.cpp
@@ -7,8 +7,8 @@
 #include "core/file_sys/vfs_vector.h"
 
 namespace FileSys {
-VectorVfsFile::VectorVfsFile(std::vector<u8> initial_data, std::string name, VirtualDir parent)
-    : data(std::move(initial_data)), parent(std::move(parent)), name(std::move(name)) {}
+VectorVfsFile::VectorVfsFile(std::vector<u8> initial_data, std::string name_, VirtualDir parent_)
+    : data(std::move(initial_data)), parent(std::move(parent_)), name(std::move(name_)) {}
 
 VectorVfsFile::~VectorVfsFile() = default;
 
diff --git a/src/core/file_sys/vfs_vector.h b/src/core/file_sys/vfs_vector.h
index c10c527b6..73f180070 100644
--- a/src/core/file_sys/vfs_vector.h
+++ b/src/core/file_sys/vfs_vector.h
@@ -75,8 +75,8 @@ std::shared_ptr<ArrayVfsFile<Size>> MakeArrayFile(const std::array<u8, Size>& da
 // An implementation of VfsFile that is backed by a vector optionally supplied upon construction
 class VectorVfsFile : public VfsFile {
 public:
-    explicit VectorVfsFile(std::vector<u8> initial_data = {}, std::string name = "",
-                           VirtualDir parent = nullptr);
+    explicit VectorVfsFile(std::vector<u8> initial_data = {}, std::string name_ = "",
+                           VirtualDir parent_ = nullptr);
     ~VectorVfsFile() override;
 
     std::string GetName() const override;