From cd3c09a5c2566d674680193042baf6474b6d0976 Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Sun, 18 Oct 2026 08:11:39 +0000
Subject: feat(driver): load the embedded C++ runtime into the JIT

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 tests/i/extern-cc-runtime/case.json    |  1 +
 tests/i/extern-cc-runtime/expected.txt |  2 ++
 tests/i/extern-cc-runtime/program.cps  |  9 +++++++++
 tests/i/extern-cc-runtime/runtime.cc   | 13 +++++++++++++
 4 files changed, 25 insertions(+)
 create mode 100644 tests/i/extern-cc-runtime/case.json
 create mode 100644 tests/i/extern-cc-runtime/expected.txt
 create mode 100644 tests/i/extern-cc-runtime/program.cps
 create mode 100644 tests/i/extern-cc-runtime/runtime.cc

(limited to 'tests')

diff --git a/tests/i/extern-cc-runtime/case.json b/tests/i/extern-cc-runtime/case.json
new file mode 100644
index 0000000..604feef
--- /dev/null
+++ b/tests/i/extern-cc-runtime/case.json
@@ -0,0 +1 @@
+{"objects":[{"source":"runtime.cc","output":"runtime.o"}]}
diff --git a/tests/i/extern-cc-runtime/expected.txt b/tests/i/extern-cc-runtime/expected.txt
new file mode 100644
index 0000000..3e5a8c6
--- /dev/null
+++ b/tests/i/extern-cc-runtime/expected.txt
@@ -0,0 +1,2 @@
+4099
+caught C++
diff --git a/tests/i/extern-cc-runtime/program.cps b/tests/i/extern-cc-runtime/program.cps
new file mode 100644
index 0000000..74d0386
--- /dev/null
+++ b/tests/i/extern-cc-runtime/program.cps
@@ -0,0 +1,9 @@
+INCLUDE_OBJ "runtime.o"
+EXTERN "C" EXTERN_FUNCTION string_length() RETURNS C_INT
+EXTERN "C" EXTERN_PROCEDURE string_throw()
+OUTPUT (INTEGER)string_length()
+TRY
+    CALL string_throw()
+CATCH
+    OUTPUT "caught C++"
+ENDTRY
diff --git a/tests/i/extern-cc-runtime/runtime.cc b/tests/i/extern-cc-runtime/runtime.cc
new file mode 100644
index 0000000..fd57538
--- /dev/null
+++ b/tests/i/extern-cc-runtime/runtime.cc
@@ -0,0 +1,13 @@
+#include <string>
+#include <stdexcept>
+extern "C" int string_length() {
+    std::string text(4096, 'x');
+    text += std::to_string(123);
+    return static_cast<int>(text.size());
+}
+extern "C" void string_throw() {
+    try { throw std::invalid_argument("string failure"); }
+    catch (const std::exception &e) {
+        if (std::string(e.what()) == "string failure") throw;
+    }
+}
-- 
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