M.V. Hutz
0eff85f8fa
## Description The lambda CLI previously only wrote output to stdout using shell redirection. This PR adds support for writing results to files using the `-o` flag. This is implemented using a new `Destination` interface that mirrors the existing `Source` pattern. Changes: - Added `Destination` interface with `StdoutDestination` and `FileDestination` implementations. - Added `-o` flag to CLI argument parser for output file specification. - Updated `Config` to use `Destination` instead of direct output handling. - Refactored main to use `Destination.Write()` for result output. - Updated Makefile targets (`run`, `profile`, `explain`) to use `-o` flag instead of shell redirection. ### Decisions The `-o` flag defaults to stdout when not specified or when set to `-`. This maintains backward compatibility while providing explicit file output capability. ## Benefits - Cleaner command-line interface without shell redirection. - Symmetric design with `Source` interface for input. - More portable across different shells and environments. - Explicit output handling improves code clarity. ## Checklist - [x] Code follows conventional commit format. - [x] Branch follows naming convention (`<type>/<description>`). - [ ] Tests pass (if applicable). - [ ] Documentation updated (if applicable). Reviewed-on: #13 Co-authored-by: M.V. Hutz <git@maximhutz.me> Co-committed-by: M.V. Hutz <git@maximhutz.me>
44 lines
1.3 KiB
Makefile
44 lines
1.3 KiB
Makefile
BINARY_NAME=lambda
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TEST=simple
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.PHONY: help build run profile explain graph docs clean
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.DEFAULT_GOAL := help
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.SILENT:
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help:
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echo "Available targets:"
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echo " build - Build the lambda executable"
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echo " run - Build and run the lambda interpreter (use TEST=<name> to specify sample)"
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echo " profile - Build and run with CPU profiling enabled"
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echo " explain - Build and run with explanation mode and profiling"
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echo " graph - Generate and open CPU profile visualization"
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echo " docs - Start local godoc server on port 6060"
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echo " clean - Remove all build artifacts"
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build:
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go build -o ${BINARY_NAME} ./cmd/lambda
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chmod +x ${BINARY_NAME}
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run: build
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./${BINARY_NAME} -f ./samples/$(TEST).txt -o program.out
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profile: build
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./${BINARY_NAME} -p profile/cpu.prof -f ./samples/$(TEST).txt -o program.out
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explain: build
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./${BINARY_NAME} -x -p profile/cpu.prof -f ./samples/$(TEST).txt -o program.out
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graph:
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go tool pprof -raw -output=profile/cpu.raw profile/cpu.prof
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go tool pprof -svg profile/cpu.prof > profile/cpu.svg
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echo ">>> View at 'file://$(PWD)/profile/cpu.svg'"
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docs:
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echo ">>> View at 'http://localhost:6060/pkg/git.maximhutz.com/max/lambda/'"
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go run golang.org/x/tools/cmd/godoc@latest -http=:6060
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clean:
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rm -f ${BINARY_NAME}
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rm -f program.out
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rm -rf profile/
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