Use ankerl/unordered_dense as a hashmap implementation (#3036)

* Correct namespace for getClockFrequency

* missing const

* Add missing assignment operator

* Remove unused variables

* Return correct modified variable

* Use stable hash code for file system identity

* terse static_assert

* Structured binding for map iteration

* Make (==) and getHashCode const on many structs

* Add ConstIterator for LinkedList

* Replace uses of ItemProxy::getValue with Dictionary::at

* Extract list of loads from gradientsMap before updating it

* Const correctness in type layout

* Add unordered_dense hashmap submodule

* Use wyhash or getHashCode in slang-hash.h

* refactor slang-hash.h

* Use ankerl/unordered_dense as a hashmap implementation

Notable changes:
- The subscript operator returns a reference directly to the value,
  rather than a lazy ItemProxy (pair of dict pointer and key)

slang-profile time (95% over 10 runs):

- Before: 6.3913906 (±0.0746)
- After:  5.9276123 (±0.0964)

* 64 bit hash for strings

So they have the same hash as char buffers with the same contents

* Narrowing warnings for gcc to match msvc

* revert back to c++17

* Correct c++ version for msvc

* Use path to unordered_dense which keeps tests happy

* Do not assign to and read from map in same expression

* Remove redundant map operations in primal-hoist

* Split out stable hash functions into slang-stable-hash.h

* 64 bit hash by default

* regenerate vs projects

* Correct return type from HashSetBase::getCount()

* correct width for call to Dictionary::reserve

* Use stable hash for obfuscated module ids

* Signed int for reserve

* clearer variable naming

* Parameterize Dictionary on hash and equality functors

* Allow heterogenous lookup for Dictionary

* missing const

* Use set over operator[] in some places

* Remove unused function

* s/at/getValue

1 files changed, 17 insertions, 14 deletions

diff --git a/source/slang/slang-emit-source-writer.cpp b/source/slang/slang-emit-source-writer.cpp
index 4ff547119..fa362d874 100644
--- a/source/slang/slang-emit-source-writer.cpp
+++ b/source/slang/slang-emit-source-writer.cpp
@@ -186,38 +186,41 @@ void SourceWriter::emitName(Name* name)
     emitName(name, SourceLoc());
 }
 
-void SourceWriter::emit(IntegerLiteralValue value)
+void SourceWriter::emitUInt64(uint64_t value)
 {
-    char buffer[32];
-    sprintf(buffer, "%lld", (long long int)value);
-    emit(buffer);
+    emit(value);
 }
 
-void SourceWriter::emit(UInt value)
+void SourceWriter::emitInt64(int64_t value)
 {
-    char buffer[32];
-    sprintf(buffer, "%llu", (unsigned long long)(value));
+    emit(value);
+}
+
+void SourceWriter::emit(Int32 value)
+{
+    char buffer[16];
+    sprintf(buffer, "%" PRId32, value);
     emit(buffer);
 }
 
-void SourceWriter::emitUInt64(uint64_t value)
+void SourceWriter::emit(Int64 value)
 {
     char buffer[32];
-    sprintf(buffer, "%llu", (unsigned long long)(value));
+    sprintf(buffer, "%" PRId64, value);
     emit(buffer);
 }
 
-void SourceWriter::emitInt64(int64_t value)
+void SourceWriter::emit(UInt32 value)
 {
     char buffer[32];
-    sprintf(buffer, "%lld", (long long int)value);
+    sprintf(buffer, "%" PRIu32, value);
     emit(buffer);
 }
 
-void SourceWriter::emit(int value)
+void SourceWriter::emit(UInt64 value)
 {
-    char buffer[16];
-    sprintf(buffer, "%d", value);
+    char buffer[32];
+    sprintf(buffer, "%" PRIu64, value);
     emit(buffer);
 }