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package org.shedlang.compiler.runtime;
import org.shedlang.compiler.backends.paths.TargetDir;
import org.shedlang.compiler.config.GcConfig;
import org.shedlang.compiler.config.GcMarkAndSweepConfig;
import org.shedlang.compiler.filesystem.ShedCompilerFiles;
import org.shedlang.compiler.util.processes.ProcessError;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import static org.shedlang.compiler.util.processes.ProcessRunner.runInheritIo;
public class ShedRuntime {
private static final Map<GcConfig, String> STANDARD_RUNTIMES = Map.ofEntries(
Map.entry(GcConfig.BUMP, "bump"),
Map.entry(GcMarkAndSweepConfig.DEFAULT, "mark-and-sweep")
);
public static ShedRuntime defaultRuntime(String targetName) {
return new ShedRuntime(
ShedCompilerFiles.standardRuntimeTargetDir(
targetName,
"mark-and-sweep"
)
);
}
public static ShedRuntime runtime(
String targetName,
Optional<GcConfig> gcConfig,
TargetDir targetDir
) throws ProcessError, InterruptedException {
var gc = gcConfig.orElse(GcConfig.DEFAULT);
var standardRuntimeName = STANDARD_RUNTIMES.get(gc);
if (standardRuntimeName != null) {
return new ShedRuntime(
ShedCompilerFiles.standardRuntimeTargetDir(
targetName,
standardRuntimeName
)
);
}
// TODO: deal with stale compiled runtimes (in build.py?)
var runtimeDir = targetDir.topLevel("runtime");
var buildRuntimeCommand = new ArrayList<>(List.of(
"python3",
ShedCompilerFiles.getRoot().resolve("runtime/build.py").toString(),
"custom",
"--target", targetName,
"--gc", gc.name(),
"--output-dir", runtimeDir.toString()
));
for (var option : gc.runtimeBuildOptions()) {
buildRuntimeCommand.add("-D" + option);
}
runInheritIo(buildRuntimeCommand);
return new ShedRuntime(runtimeDir);
}
private final Path dir;
private ShedRuntime(Path dir) {
this.dir = dir;
}
public Path dir() {
return this.dir;
}
}
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