Running tests in slang-test process (#740)

* First pass at having an interface to write text to that can be replaced.
Simplifed and made more rigerous the interface used to write formatted strings.

* Added AppContext to simplify setting up and parsing around of streams.

* Added more simplified way to get the std error/out from AppContext.

* Work in progress using dll for tools to speed up testing.

* First pass at ISlangWriter interface.

* Added support for writing VaArgs.
Added NullWriter.

* Use ISlangWriter for output.

* Use ISlangWriter for output - replacing OutputCallback.
Make IRDump go to ISlangWriter

* SlangWriterTargetType -> SlangWriterChannel
Improvements around AppContext

* Shared library working with slang-reflection-test.

* Dll testing working for render-test.

* Include va_list definintion from header.

* Fix errors from clang.

* Fix typo for linux.

* Added -usexes option

* Fix typo.

* Fix arguments problem on linux.

* Fix typo for linux.

* Add windows tool shared library projects.

* Fix warning from x86 win build.
Fix signed warning from slang-test/main.cpp

* First attempt at getting premake to work on travis, and run tests.

* Try moving build out into script.

* Invoke bash scripts so they don't have to be executable.

* Drive configuration/tests from env parameters set by travis

* Try using source to run travis tests.

* Remove the build.linux directory - but doing so will overwrite Makefile.

* Made -fno-delete-null-pointer-checks gcc only.

* Try to fix warning from -fno-delete-null-pointer-checks

* Turn of warnings for unknown switches.

* Try to make premake choose the correct tooling.

* Disabled missing braces warning.

* Disable -Wundefined-var-template on clang.

* -Wunused-function disabled for clang.

* Fix typo due to SlangBool.

* Remove this nullptr tests.

* "-Wno-unused-private-field" for clang.

* Added "-Wno-undefined-bool-conversion"

* Add DominatorList::end fix.

* Split scripts into travis_build.sh travis_test.sh

* Fix gcc/clang template pre-declaration issue around QualType.

* Fix premake to build such that pthread correctly links with slang-glslang

1 files changed, 84 insertions, 11 deletions

diff --git a/slang.h b/slang.h
index 8085bf15c..5ea1d13f8 100644
--- a/slang.h
+++ b/slang.h
@@ -192,19 +192,25 @@ convention for interface methods.
     #define SLANG_DYNAMIC
 #endif
 
+#if defined(_MSC_VER)
+#   define SLANG_DLL_EXPORT __declspec(dllexport)
+#else
+#   define SLANG_DLL_EXPORT __attribute__((__visibility__("default")))
+#endif
+
 #if defined(SLANG_DYNAMIC)
-    #if defined(_MSC_VER)
-        #ifdef SLANG_DYNAMIC_EXPORT
-            #define SLANG_API __declspec(dllexport)
-        #else
-            #define SLANG_API __declspec(dllimport)
-        #endif
-    #else
+#   if defined(_MSC_VER)
+#       ifdef SLANG_DYNAMIC_EXPORT
+#           define SLANG_API SLANG_DLL_EXPORT
+#       else
+#           define SLANG_API __declspec(dllimport)
+#       endif
+#   else
         // TODO: need to consider compiler capabilities
-//        #ifdef SLANG_DYNAMIC_EXPORT
-            #define SLANG_API __attribute__((__visibility__("default")))
-//        #endif
-    #endif
+//#     ifdef SLANG_DYNAMIC_EXPORT
+#       define SLANG_API SLANG_DLL_EXPORT 
+//#     endif
+#   endif
 #endif
 
 #ifndef SLANG_API
@@ -283,6 +289,13 @@ convention for interface methods.
 #	define SLANG_UINT64(x) (x##ull)
 #endif
 
+
+#ifdef __cplusplus
+#   define SLANG_EXTERN_C extern "C"
+#else
+#   define SLANG_EXTERN_C
+#endif
+
 #ifdef __cplusplus
 // C++ specific macros
 // Gcc
@@ -339,6 +352,8 @@ convention for interface methods.
 #include <stddef.h>
 #endif // ! SLANG_NO_STDDEF
 
+#include <stdarg.h>
+
 #ifdef __cplusplus
 extern "C"
 {
@@ -354,6 +369,8 @@ extern "C"
     typedef uint32_t    SlangUInt32;
     typedef intptr_t    SlangInt;
     typedef uintptr_t   SlangUInt;
+
+    typedef bool SlangBool;
     
     /*!
     @brief Severity of a diagnostic generated by the compiler.
@@ -634,6 +651,8 @@ extern "C"
 #define SLANG_E_CANNOT_OPEN                 SLANG_MAKE_CORE_ERROR(4)
     //! Indicates a file/resource could not be found
 #define SLANG_E_NOT_FOUND                   SLANG_MAKE_CORE_ERROR(5)
+    //! An unhandled internal failure (typically from unhandled exception)
+#define SLANG_E_INTERNAL_FAIL               SLANG_MAKE_CORE_ERROR(6)
 
     /** A "Universally Unique Identifier" (UUID)
 
@@ -810,6 +829,51 @@ extern "C"
 
     #define SLANG_UUID_ISlangFileSystemExt { 0x5fb632d2, 0x979d, 0x4481, { 0x9f, 0xee, 0x66, 0x3c, 0x3f, 0x14, 0x49, 0xe1 } }
 
+    /* Identifies different types of writer target*/
+    typedef unsigned int SlangWriterChannel;
+    enum
+    {
+        SLANG_WRITER_CHANNEL_DIAGNOSTIC,
+        SLANG_WRITER_CHANNEL_STD_OUTPUT,
+        SLANG_WRITER_CHANNEL_STD_ERROR,
+        SLANG_WRITER_CHANNEL_COUNT_OF,
+    };
+
+    typedef unsigned int SlangWriterMode;
+    enum 
+    {
+        SLANG_WRITER_MODE_TEXT,
+        SLANG_WRITER_MODE_BINARY,
+    };
+
+    /** A stream typically of text, used for outputting diagnostic as well as other information.
+    */
+    struct ISlangWriter : public ISlangUnknown
+    {
+    public:
+            /** Write the formatted string with the used args. If returns SLANG_E_NOT_IMPLEMENTED, will use a default internal implementation, and call write with result
+            @param format Format string
+            @param args The arguments
+            @return SLANG_E_NOT_IMPLEMENTED if not implemented, SLANG_OK on success */
+        virtual SLANG_NO_THROW SlangResult SLANG_MCALL writeVaList(const char* format, va_list args) = 0;
+            /** Write text to the writer
+            @param chars The characters to write out
+            @param numChars The amount of characters
+            @returns SLANG_OK on success */
+        virtual SLANG_NO_THROW SlangResult SLANG_MCALL write(const char* chars, size_t numChars) = 0;
+            /** Flushes any content to the ouput */
+        virtual SLANG_NO_THROW void SLANG_MCALL flush() = 0;
+            /** Determines if the writer stream is to the console, and can be used to alter the output 
+            @returns Returns true if is a console writer */
+        virtual SLANG_NO_THROW SlangBool SLANG_MCALL isConsole() = 0;
+            /** Set the mode for the writer to use
+            @param mode The mode to use
+            @returns SLANG_OK on success */
+        virtual SLANG_NO_THROW SlangResult SLANG_MCALL setMode(SlangWriterMode mode) = 0;
+    };
+    
+    #define SLANG_UUID_ISlangWriter { 0xec457f0e, 0x9add, 0x4e6b,{ 0x85, 0x1c, 0xd7, 0xfa, 0x71, 0x6d, 0x15, 0xfd } };
+
     /*!
     @brief An instance of the Slang library.
     */
@@ -984,6 +1048,15 @@ extern "C"
         SlangDiagnosticCallback callback,
         void const*             userData);
 
+    SLANG_API void spSetWriter(
+        SlangCompileRequest*    request,
+        SlangWriterChannel      channel, 
+        ISlangWriter*           writer);
+
+    SLANG_API ISlangWriter* spGetWriter(
+        SlangCompileRequest*    request,
+        SlangWriterChannel      channel);
+
     /*!
     @brief Add a path to use when searching for referenced files.
     This will be used for both `#include` directives and also for explicit `__import` declarations.