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2026-05-10 07:53:28 -05:00
parent 9561d5cacd
commit 1b53c813b4
34 changed files with 79 additions and 89 deletions
--- a/.old/src/bytecode/tests.cc
+++ b/.old/src/bytecode/tests.cc
@@ -0,0 +1,167 @@
+#include "gtest/gtest.h"
+
+#include <cstring>
+#include <functional>
+
+#include "../common/bytearray.hh"
+#include "bytecodeprototype.hh"
+#include "bytecode.hh"
+
+using namespace tyche;
+using namespace tyche::bc;
+
+TEST(ByteArray, ByteArray)
+{
+    auto test = [](std::function<void(ByteArray&)> const& f, std::vector<uint8_t> const& expected) {
+        ByteArray ba;
+        f(ba);
+        ASSERT_EQ(ba.data().size(), expected.size());
+        ASSERT_EQ(std::memcmp(ba.data().data(), expected.data(), ba.data().size()), 0);
+    };
+
+#define TESTX(a, ...) test([](ByteArray& ba) { a; }, std::vector<uint8_t>({ __VA_ARGS__ }));
+
+    TESTX(ba.set_byte(1, 0xab), 0x00, 0xab)
+
+    ByteArray ba;
+    ba.set_byte(1, 0xab); ASSERT_EQ(ba.get_byte(1), 0xab);
+
+    ba.set_int8(1, 12); ASSERT_EQ(ba.get_int8(1), 12);
+    ba.set_int8(1, -12); ASSERT_EQ(ba.get_int8(1), -12);
+    ba.set_int16(1, 5000); ASSERT_EQ(ba.get_int16(1), 5000);
+    ba.set_int32(1, 5000300); ASSERT_EQ(ba.get_int32(1), 5000300);
+    ba.set_int32(1, -5000300); ASSERT_EQ(ba.get_int32(1), -5000300);
+
+    ba.set_float(1, 3.14); ASSERT_FLOAT_EQ(ba.get_float(1), 3.14);
+    ba.set_float(1, -3.14); ASSERT_FLOAT_EQ(ba.get_float(1), -3.14);
+    ba.set_float(1, -5000300.1324); ASSERT_FLOAT_EQ(ba.get_float(1), -5000300.1324);
+
+    ba.set_string(1, "Hello world!"); ASSERT_EQ(ba.get_string(1), std::make_pair("Hello world!", 13));
+
+#undef TESTX
+}
+
+TEST(Bytecode, Constants)
+{
+    BytecodePrototype bp;
+    bp.constants.emplace_back(42.3f);
+    bp.constants.emplace_back("HELLO");
+
+    std::vector<uint8_t> expected = {
+            // header
+            0x38, 0xc1, 0xb3, 0x74,                     // magic
+            0x01, 0x00, 0x00, 0x00,                     // version
+            0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00,
+
+            // index
+            0x50, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, // constant index
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // function undex
+            0x58, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, // raw constants
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // raw code
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+            // constant indexes
+            0x00, 0x00, 0x00, 0x00,
+            0x05, 0x00, 0x00, 0x00,
+
+            // constant values
+            CONST_TYPE_FLOAT, 0x33, 0x33, 0x29, 0x42,         // float: 42.3f
+            CONST_TYPE_STRING, 'H', 'E', 'L', 'L', 'O', 0x00
+    };
+
+    ByteArray ba = Bytecode::generate(bp);
+    ASSERT_EQ(ba.data(), expected);
+}
+
+TEST(Bytecode, Code)
+{
+    BytecodePrototype bp;
+    auto& f = bp.functions.emplace_back(0, 0);
+    f.code.append_byte(0x68);
+    f.code.append_int8(42);
+
+    auto& f2 = bp.functions.emplace_back(2, 1);
+    f2.code.append_byte(0x42);
+
+    std::vector<uint8_t> expected = {
+            // header
+            0x38, 0xc1, 0xb3, 0x74,                     // magic
+            0x01, 0x00, 0x00, 0x00,                     // version
+            0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00,
+
+            // index
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // constant index
+            0x50, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, // variable index
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // raw constants
+            0x68, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, // raw code
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+            // function definitions
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+            0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,
+
+            // code
+            0x68, 42, 0x42,
+    };
+
+    ByteArray ba = Bytecode::generate(bp);
+    ASSERT_EQ(ba.data(), expected);
+}
+
+TEST(Bytecode, Parsing)
+{
+    // write bytecode
+
+    BytecodePrototype bp;
+
+    bp.constants.emplace_back(3.14f);
+    bp.constants.emplace_back("HELLO");
+
+    auto& f = bp.functions.emplace_back(0, 0);
+    f.code.append_byte(0x68);
+    f.code.append_int8(42);
+
+    auto& ff = bp.functions.emplace_back(2, 1);
+    ff.code.append_byte(0x42);
+
+    ByteArray ba = Bytecode::generate(bp);
+    // print(ba.data());
+
+    // read bytecode
+
+    Bytecode bc(std::move(ba));
+
+    ASSERT_EQ(bc.n_constants(), 2);
+    ASSERT_EQ(bc.n_functions(), 2);
+    ASSERT_EQ(bc.get_function_sz(0), 2);
+    ASSERT_EQ(bc.get_function_sz(1), 1);
+
+    ASSERT_FLOAT_EQ(std::get<float>(bc.get_constant(0)), 3.14f);
+    ASSERT_EQ(std::get<std::string>(bc.get_constant(1)), "HELLO");
+
+    Bytecode::FunctionDef f1 = bc.get_function_def(0);
+    ASSERT_EQ(f1.n_params, 0);
+    ASSERT_EQ(f1.locals, 0);
+
+    Bytecode::FunctionDef f2 = bc.get_function_def(1);
+    ASSERT_EQ(f2.n_params, 2);
+    ASSERT_EQ(f2.locals, 1);
+
+    ASSERT_EQ(bc.get_code_byte(0, 0), 0x68);
+    ASSERT_EQ(bc.get_code_int8(0, 1), 42);
+    ASSERT_EQ(bc.get_code_byte(1, 0), 0x42);
+}
+
+int main(int argc, char** argv)
+{
+    testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}