Get magic number and version from spirv.h.

This is a part of the effort to clean up libspirv.h.

include/libspirv/libspirv.h

@@ -40,11 +40,6 @@ extern "C" {
 #include <stddef.h>
 #include <stdint.h>
 
-// Magic numbers
-
-#define SPV_MAGIC_NUMBER 0x07230203
-#define SPV_VERSION_NUMBER 99u
-
 // Header indices
 
 #define SPV_INDEX_MAGIC_NUMBER 0u

source/text.cpp

@@ -662,8 +662,8 @@ namespace {
 spv_result_t SetHeader(uint32_t* words, const uint32_t bound) {
   if (!words) return SPV_ERROR_INVALID_BINARY;
 
-  words[SPV_INDEX_MAGIC_NUMBER] = SPV_MAGIC_NUMBER;
-  words[SPV_INDEX_VERSION_NUMBER] = SPV_VERSION_NUMBER;
+  words[SPV_INDEX_MAGIC_NUMBER] = SpvMagicNumber;
+  words[SPV_INDEX_VERSION_NUMBER] = SpvVersion;
   words[SPV_INDEX_GENERATOR_NUMBER] = SPV_GENERATOR_KHRONOS;
   words[SPV_INDEX_BOUND] = bound;
   words[SPV_INDEX_SCHEMA] = 0;  // NOTE: Reserved

test/BinaryHeaderGet.cpp

@@ -33,8 +33,8 @@ class BinaryHeaderGet : public ::testing::Test {
   BinaryHeaderGet() { memset(code, 0, sizeof(code)); }
 
   virtual void SetUp() {
-    code[0] = SPV_MAGIC_NUMBER;
-    code[1] = SPV_VERSION_NUMBER;
+    code[0] = SpvMagicNumber;
+    code[1] = SpvVersion;
     code[2] = SPV_GENERATOR_CODEPLAY;
     code[3] = 1;  // NOTE: Bound
     code[4] = 0;  // NOTE: Schema; reserved
@@ -57,9 +57,9 @@ TEST_F(BinaryHeaderGet, Default) {
   spv_header_t header;
   ASSERT_EQ(SPV_SUCCESS, spvBinaryHeaderGet(&binary, endian, &header));
 
-  ASSERT_EQ((uint32_t)SPV_MAGIC_NUMBER, header.magic);
+  ASSERT_EQ(static_cast<uint32_t>(SpvMagicNumber), header.magic);
   ASSERT_EQ(99u, header.version);
-  ASSERT_EQ((uint32_t)SPV_GENERATOR_CODEPLAY, header.generator);
+  ASSERT_EQ(static_cast<uint32_t>(SPV_GENERATOR_CODEPLAY), header.generator);
   ASSERT_EQ(1u, header.bound);
   ASSERT_EQ(0u, header.schema);
   ASSERT_EQ(&code[5], header.instructions);

test/TextToBinary.cpp

@@ -189,8 +189,8 @@ TEST(TextToBinary, Default) {
   EXPECT_NE(0, binary->wordCount);
 
   // TODO: Verify binary
-  ASSERT_EQ(SPV_MAGIC_NUMBER, binary->code[SPV_INDEX_MAGIC_NUMBER]);
-  ASSERT_EQ(SPV_VERSION_NUMBER, binary->code[SPV_INDEX_VERSION_NUMBER]);
+  ASSERT_EQ(SpvMagicNumber, binary->code[SPV_INDEX_MAGIC_NUMBER]);
+  ASSERT_EQ(SpvVersion, binary->code[SPV_INDEX_VERSION_NUMBER]);
   ASSERT_EQ(SPV_GENERATOR_KHRONOS, binary->code[SPV_INDEX_GENERATOR_NUMBER]);
   ASSERT_EQ(16, binary->code[SPV_INDEX_BOUND]);  // TODO: Bound?
   ASSERT_EQ(0, binary->code[SPV_INDEX_SCHEMA]);  // Reserved: schema