Get rid of obsolete DMC special cases

.azure-pipelines/lib.sh

@@ -44,20 +44,6 @@ install_host_dmd() {
     dmd --version
 }
 
-################################################################################
-# Download dmc
-################################################################################
-
-install_host_dmc() {
-    if [ ! -f dm/README.TXT ]; then
-        download "https://downloads.dlang.org/other/dm857c.zip" dmc.zip
-        7z x dmc.zip > /dev/null
-        download "http://ftp.digitalmars.com/sppn.zip" sppn.zip
-        7z x -odm/bin sppn.zip > /dev/null
-    fi
-    dm/bin/dmc | head -n 1 || true
-}
-
 ################################################################################
 # Download Grep
 ################################################################################

.azure-pipelines/windows.sh

@@ -71,15 +71,12 @@ if [[ "$HOST_DMD_VERSION" == "2.079.0" ]]; then
     disable_debug_for_unittests=(ENABLE_DEBUG=0)
 fi
 
-# avoid the DMC runtime and its limitations for the compiler and {build,run}.d tools themselves
-TOOL_MODEL="$MODEL"
-
 cd "$DMD_DIR"
-"$HOST_DC" -m$TOOL_MODEL compiler/src/build.d -ofgenerated/build.exe
+"$HOST_DC" -m$MODEL compiler/src/build.d -ofgenerated/build.exe
-generated/build.exe -j$N MODEL=$TOOL_MODEL HOST_DMD=$HOST_DC BUILD=debug "${disable_debug_for_unittests[@]}" unittest
+generated/build.exe -j$N MODEL=$MODEL HOST_DMD=$HOST_DC BUILD=debug "${disable_debug_for_unittests[@]}" unittest
-generated/build.exe -j$N MODEL=$TOOL_MODEL HOST_DMD=$HOST_DC DFLAGS="-L-LARGEADDRESSAWARE" ENABLE_RELEASE=1 ENABLE_ASSERTS=1 dmd
+generated/build.exe -j$N MODEL=$MODEL HOST_DMD=$HOST_DC DFLAGS="-L-LARGEADDRESSAWARE" ENABLE_RELEASE=1 ENABLE_ASSERTS=1 dmd
 
-DMD_BIN_PATH="$DMD_DIR/generated/windows/release/$TOOL_MODEL/dmd.exe"
+DMD_BIN_PATH="$DMD_DIR/generated/windows/release/$MODEL/dmd.exe"
 
 ################################################################################
 # Build Druntime and Phobos
@@ -100,11 +97,11 @@ if [ "${DMD_TEST_COVERAGE:-0}" = "1" ] ; then
 
     # Recompile debug dmd + unittests
     rm -rf "$DMD_DIR/generated/windows"
-    ../../generated/build.exe -j$N MODEL=$TOOL_MODEL DFLAGS="-L-LARGEADDRESSAWARE" ENABLE_DEBUG=1 ENABLE_COVERAGE=1 dmd
+    ../../generated/build.exe -j$N MODEL=$MODEL DFLAGS="-L-LARGEADDRESSAWARE" ENABLE_DEBUG=1 ENABLE_COVERAGE=1 dmd
-    ../../generated/build.exe -j$N MODEL=$TOOL_MODEL DFLAGS="-L-LARGEADDRESSAWARE" ENABLE_DEBUG=1 ENABLE_COVERAGE=1 unittest
+    ../../generated/build.exe -j$N MODEL=$MODEL DFLAGS="-L-LARGEADDRESSAWARE" ENABLE_DEBUG=1 ENABLE_COVERAGE=1 unittest
 fi
 
-"$HOST_DC" -m$TOOL_MODEL -g -i run.d
+"$HOST_DC" -m$MODEL -g -i run.d
 
 targets=("all")
 args=('ARGS=-O -inline -g') # no -release for faster builds

compiler/src/dmd/link.d

@@ -953,12 +953,6 @@ public int runPreprocessor(ref const Loc loc, const(char)[] cpp, const(char)[] f
 {
     //printf("runPreprocessor() cpp: %.*s filename: %.*s\n", cast(int)cpp.length, cpp.ptr, cast(int)filename.length, filename.ptr);
 
-    /*
-       To get sppn.exe: http://ftp.digitalmars.com/sppn.zip
-       To get the dmc C headers, dmc will need to be installed:
-       http://ftp.digitalmars.com/Digital_Mars_C++/Patch/dm857c.zip
-     */
-
     version (Windows)
     {
         // generate unique temporary file name for preprocessed output

compiler/test/README.md

@@ -356,7 +356,7 @@ Environment variables
 
     ARGS:          set to execute all combinations of
     AUTO_UPDATE:   set to 1 to auto-update mismatching test output
-    CC:            C++ compiler to use, ex: dmc, g++
+    CC:            C++ compiler to use, ex: cl, g++
     DMD:           compiler to use, ex: ../src/dmd (required)
     MODEL:         32 or 64 (required)
     OS:            windows, linux, freebsd, osx, netbsd, dragonflybsd

compiler/test/compilable/stdcheaders.c

@@ -4,9 +4,7 @@
 
 #include <assert.h>
 
-#ifndef __DMC__ // D:\a\1\s\tools\dm\include\complex.h(105): Deprecation: use of complex type `cdouble` is deprecated, use `std.complex.Complex!(double)` instead
 #include <complex.h>
-#endif
 
 #include <ctype.h>
 #include <errno.h>
@@ -34,13 +32,10 @@ float x = NAN;
 #include <signal.h>
 #endif
 
-#ifndef __DMC__ // no stdalign.h
 #include <stdalign.h>
-#endif
 
 #include <stdarg.h>
 
-#ifndef __DMC__ // no stdatomic.h
 #ifndef __linux__
 #ifndef _MSC_VER
 #ifndef __APPLE__ // /Applications/Xcode-14.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/14.0.0/include/stdatomic.h(80): Error: type-specifier is missing
@@ -48,7 +43,6 @@ float x = NAN;
 #endif
 #endif
 #endif
-#endif
 
 #include <stdbool.h>
 #include <stddef.h>
@@ -59,13 +53,10 @@ float x = NAN;
 #include <stdlib.h>
 #endif
 
-#ifndef __DMC__ // no stdnoreturn.h
 #include <stdnoreturn.h>
-#endif
 
 #include <string.h>
 
-#ifndef __DMC__ // no tgmath.h
 #ifndef _MSC_VER // C:\Program Files (x86)\Windows Kits\10\include\10.0.22621.0\ucrt\tgmath.h(33): Error: no type for declarator before `)`
 #ifndef __APPLE__ // /Applications/Xcode-14.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/tgmath.h(39): Error: named parameter required before `...`
 #if !(defined(__linux__) && defined(__aarch64__)) // /tmp/clang/lib/clang/15.0.3/include/tgmath.h(34): Error: named parameter required before `...`
@@ -73,9 +64,7 @@ float x = NAN;
 #endif
 #endif
 #endif
-#endif
 
-#ifndef __DMC__
 #ifndef __linux__
 #ifndef __APPLE__
 #ifndef _MSC_VER
@@ -83,18 +72,13 @@ float x = NAN;
 #endif
 #endif
 #endif
-#endif
 
 #include <time.h>
 
-#ifndef __DMC__ // no uchar.h
 #ifndef __APPLE__ // no uchar.h
 #include <uchar.h>
 #endif
-#endif
 
 #include <wchar.h>
 
-#ifndef __DMC__ // wctype.h(102): Error: unterminated string constant starting at #defines(780)
 #include <wctype.h>
-#endif

compiler/test/dshell/cpp_header_gen.d

@@ -9,16 +9,6 @@ int main()
         writeln("CPP header generation test was skipped because $CXX is empty!");
         return DISABLED;
     }
-    // DMC cannot compile the generated headers ...
-    version (Windows)
-    {
-        import std.algorithm : canFind;
-        if (CXX.canFind("dmc"))
-        {
-            writeln("CPP header generation test was skipped because DMC is not supported!");
-            return DISABLED;
-        }
-    }
 
     Vars.set("SOURCE_DIR",  "$EXTRA_FILES/cpp_header_gen");
     Vars.set("LIB",         "$OUTPUT_BASE/library$LIBEXT");

compiler/test/runnable_cxx/extra-files/cpp7925.cpp

@@ -90,14 +90,10 @@ void runCPPTests()
     int (C2::*fp1)(int) = &C2::f1;
     int (C2::*fp2)(int, int) = &C2::f2;
     int (C2::*fp3)(int, int) = &C2::f3;
-#ifndef __DMC__
     int (C2::*fp4)(int, ...) = &C2::f4;
-#endif
     assert((c2->*(fp0))() == 100);
     assert((c2->*(fp1))(1) == 101);
     assert((c2->*(fp2))(20, 3) == 123);
     assert((c2->*(fp3))(20, 3) == 123);
-#ifndef __DMC__
     assert((c2->*(fp4))(20, 3, 0) == 123);
-#endif
 }

compiler/test/runnable_cxx/extra-files/cpp_abi_tests.cpp

@@ -10,9 +10,7 @@ namespace std
     struct test19248  {int a;};
 };
 
-#ifdef __DMC__
+#if defined (_MSC_VER) && _MSC_VER <= 1800
-// DMC doesn't support c++11
-#elif defined (_MSC_VER) && _MSC_VER <= 1800
 // MSVC2013 doesn't support char16_t/char32_t
 #else
 #define TEST_UNICODE
@@ -26,11 +24,7 @@ struct S18784
 
 S18784::S18784(int n) : i(n) {}
 
-#ifdef __DMC__ // DMC doesn't support c++11
-template <class>
-#else
 template <class...>
-#endif
 struct SPack
 {
     int i;

compiler/test/runnable_cxx/extra-files/cppb.cpp

@@ -374,9 +374,7 @@ wchar_t f13289_cpp_wchar_t(wchar_t ch)
         return ch;
     }
 }
-#ifdef __DMC__
+#if defined (_MSC_VER) //&& _MSC_VER <= 1800
-// DMC doesn't support c++11
-#elif defined (_MSC_VER) //&& _MSC_VER <= 1800
 // MSVC2013 doesn't support char16_t/char32_t
 #else
 #define TEST_UNICODE

compiler/test/runnable_cxx/extra-files/externmangle.cpp

@@ -426,7 +426,6 @@ namespace foo
     }
 }
 
-#ifndef __DMC__ // DMC doesn't support c++11
 template<typename ...T> void foovargs(T... args);
 
 void test40()
@@ -446,4 +445,3 @@ void test41()
     make_shared_poc<int, int, int>(a, b);
 
 }
-#endif

compiler/test/runnable_cxx/extra-files/test20652.cpp

@@ -1,6 +1,3 @@
-#if defined(__DMC__)	// DMC doesn't support immintrin.h
-#else
-
 #include <assert.h>
 
 // Inline the typedef of __m128 instead of including immintrin.h.
@@ -30,5 +27,3 @@ void test20652(const __m128& a)
     assert(b.array[2] == 1);
     assert(b.array[3] == 1);
 }
-
-#endif

compiler/test/tools/d_do_test.d

@@ -60,8 +60,8 @@ void usage()
           ~ "      ARGS:          set to execute all combinations of\n"
           ~ "      REQUIRED_ARGS: arguments always passed to the compiler\n"
           ~ "      DMD:           compiler to use, ex: ../src/dmd (required)\n"
-          ~ "      CC:            C compiler to use, ex: dmc, cc\n"
+          ~ "      CC:            C compiler to use, ex: cl, cc\n"
-          ~ "      CXX:           C++ compiler to use, ex: dmc, g++\n"
+          ~ "      CXX:           C++ compiler to use, ex: cl, g++\n"
           ~ "      OS:            windows, linux, freebsd, osx, netbsd, dragonflybsd\n"
           ~ "      RESULTS_DIR:   base directory for test results\n"
           ~ "      MODEL:         32 or 64 (required)\n"

compiler/test/tools/exported_vars.sh

@@ -36,8 +36,8 @@ else
     export SOEXT=.so
 fi
 
-# Default to DigitalMars C++ on Win32
+# Default to Microsoft cl on Windows
-if [ "$OS" == "win32" ] && [ -z "${CC+set}" ] ; then
+if [[ "$OS" == "win"* && -z "${CC+set}" ]] ; then
-    CC="dmc"
+    CC="cl"
 fi
 export CC="${CC:-c++}" # C++ compiler to use

druntime/src/rt/alloca.d

@@ -11,20 +11,6 @@
 
 module rt.alloca;
 
-version (Posix)
-{
-    version = alloca;
-}
-else version (CRuntime_Microsoft)
-{
-    version = alloca;
-}
-
-// Use DMC++'s alloca() for Win32
-
-version (alloca)
-{
-
 /*******************************************
  * Allocate data from the caller's stack frame.
  * This is a 'magic' function that needs help from the compiler to
@@ -215,5 +201,3 @@ extern (C) void* __alloca(int nbytes)
   else
         static assert(0);
 }
-
-}