Less unboxing

[MatejKocourek]

No description provided.

[Copilot]

Pull request overview

This PR appears to streamline execution and debugging around “less unboxing” by adjusting stencil return behavior/types, improving benchmark failure visibility, and standardizing test execution on Rscript instead of feeding scripts to R via stdin.

Changes:

• Switch test and benchmark Makefiles from $(R) ... < file.R / -f ... --args to $(RSCRIPT) --vanilla file.R ....
• Update stencil function signatures/dispatch to return Value (via RET_T) and simplify the RETURN opcode implementation.
• Improve diagnostics: print failing benchmark logs; add rcp_print_stack_val_unbox() for GDB JIT stack inspection; adjust finalizers to not run on R shutdown.

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
rcp/tests/types/Makefile	Run R tests via Rscript --vanilla
rcp/tests/smoketest/Makefile	Run smoketests via Rscript --vanilla
rcp/tests/exceptions/Makefile	Run exception test via Rscript --vanilla
rcp/tests/benchmarks/Makefile	Use Rscript to run benchmark compiler script
rcp/common.mk	Define RSCRIPT and use it for microbenchmark dependency check
rcp/inst/benchmarks/run-benchmarks.sh	Print per-benchmark log output on failure
rcp/src/stencils/stencils.c	Change stencil return type to Value and adjust RETURN
rcp/src/compile.c	Change finalizer on-exit behavior; add rcp_print_stack_val_unbox()
rcp/tests/gdb-jit/gdb-next/test.gdb	Use new unboxing stack printer in GDB script

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