mirror of
https://github.com/ApfelTeeSaft/RebrewU.git
synced 2026-08-27 19:21:31 +00:00
87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
#include <catch2/catch_test_macros.hpp>
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#include "codegen/naming.hpp"
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#include "codegen/cpp_emitter.hpp"
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#include "ir/ir_module.hpp"
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#include "core/rpx/rpx_types.hpp"
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#include "core/linker/linker.hpp"
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#include "diagnostics/diagnostics.hpp"
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#include <sstream>
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using namespace rebrewu;
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// ============================================================================
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// NamingContext tests
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// ============================================================================
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TEST_CASE("NamingContext::sanitize strips non-identifier characters", "[naming]") {
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REQUIRE(codegen::NamingContext::sanitize("hello_world") == "hello_world");
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REQUIRE(codegen::NamingContext::sanitize("foo::bar") == "foo__bar");
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REQUIRE(codegen::NamingContext::sanitize("1bad") == "_1bad");
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REQUIRE(codegen::NamingContext::sanitize("") == "");
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}
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TEST_CASE("NamingContext::function_name generates stable synthetic name", "[naming]") {
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codegen::NamingContext ctx("mymod");
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std::string n1 = ctx.function_name(0x0200'0000);
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std::string n2 = ctx.function_name(0x0200'0000);
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REQUIRE(n1 == n2);
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REQUIRE_FALSE(n1.empty());
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}
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TEST_CASE("NamingContext::function_name uses hint when provided", "[naming]") {
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codegen::NamingContext ctx("mymod");
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std::string n = ctx.function_name(0x100, "OSCreateThread");
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REQUIRE(n.find("OSCreateThread") != std::string::npos);
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}
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TEST_CASE("NamingContext::set_name overrides generated name", "[naming]") {
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codegen::NamingContext ctx("mymod");
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ctx.set_name(0x1000, "my_custom_name");
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REQUIRE(ctx.function_name(0x1000) == "my_custom_name");
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}
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TEST_CASE("NamingContext::block_label is deterministic", "[naming]") {
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codegen::NamingContext ctx("mod");
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auto l1 = ctx.block_label(0x100, 0x200);
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auto l2 = ctx.block_label(0x100, 0x200);
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REQUIRE(l1 == l2);
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REQUIRE_FALSE(l1.empty());
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}
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TEST_CASE("NamingContext::data_name generates distinct names for different addrs", "[naming]") {
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codegen::NamingContext ctx("mod");
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auto a = ctx.data_name(0x100);
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auto b = ctx.data_name(0x200);
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REQUIRE(a != b);
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}
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// ============================================================================
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// CppEmitter smoke tests
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// ============================================================================
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TEST_CASE("CppEmitter::emit_header writes a pragma once", "[cpp_emitter]") {
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diagnostics::DiagEngine diag;
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linker::Linker lnk(diag);
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ir::IRModule ir_mod;
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rpx::RpxModule rpx;
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codegen::NamingContext names("test");
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codegen::CppEmitter emitter(ir_mod, rpx, lnk, std::move(names));
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std::ostringstream oss;
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emitter.emit_header(oss);
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REQUIRE(oss.str().find("#pragma once") != std::string::npos);
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}
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TEST_CASE("CppEmitter::emit returns true for empty module", "[cpp_emitter]") {
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diagnostics::DiagEngine diag;
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linker::Linker lnk(diag);
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ir::IRModule ir_mod;
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rpx::RpxModule rpx;
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codegen::NamingContext names("test");
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codegen::CppEmitter emitter(ir_mod, rpx, lnk, std::move(names));
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// Emit to a temporary directory
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auto tmp = std::filesystem::temp_directory_path() / "rebrewu_test_codegen";
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REQUIRE(emitter.emit(tmp));
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}
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