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package org.shedlang.compiler.shid;
import org.junit.jupiter.api.Test;
import org.shedlang.compiler.ast.typed.TypedNativeFunctionDeclarationNode;
import org.shedlang.compiler.shid.instructions.ShidDeclareNativeFunction;
import org.shedlang.compiler.sources.Sources;
import org.shedlang.compiler.types.FunctionType;
import org.shedlang.compiler.types.NamespaceName;
import org.shedlang.compiler.types.Types;
import java.util.List;
import static org.shedlang.compiler.shid.instructions.ShidMatchers.isShidDefineFunctionParam;
import static org.shedlang.compiler.shid.instructions.ShidMatchers.isShidLocalStore;
import static org.zwobble.precisely.AssertThat.assertThat;
import static org.zwobble.precisely.Matchers.*;
public class ShidCodeGenNativeFunctionDeclarationTests {
@Test
public void nativeFunctionIsCompiledToDeclareNativeFunctionInstruction() {
var node = TypedNativeFunctionDeclarationNode.builder()
.withName("f")
.withSignature(
FunctionType.builder()
.addPositionalParam(Types.INT)
.addPositionalParam(Types.INT)
.addNamedParam("n1", Types.INT)
.addNamedParam("n2", Types.INT)
.build()
)
.build();
var context = ShidCodeGen.Context.EMPTY
.enterBlock(
NamespaceName.of("Example", "Project"),
List.of(),
Sources.NULL
)
.addShedVal("f");
var result = ShidCodeGen.compileNamespaceStatement(node, context);
assertThat(result.instructions(), isSequence(
instanceOf(
ShidDeclareNativeFunction.class,
has("namespaceName", x -> x.namespaceName(), equalTo(NamespaceName.of("Example", "Project"))),
has("name", x -> x.name(), equalTo("f")),
has("positionalParams", x -> x.positionalParams(), isSequence(
isShidDefineFunctionParam("arg0"),
isShidDefineFunctionParam("arg1")
)),
has("namedParams", x -> x.namedParams(), isSequence(
isShidDefineFunctionParam("n1"),
isShidDefineFunctionParam("n2")
))
),
isShidLocalStore("f__0")
));
}
}
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