Support import of cuntions in WASM binary format

2 files changed, 30 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/backends/wasm/structure/WasmBinaryFormatModuleTests.java b/src/test/java/org/shedlang/compiler/backends/wasm/structure/WasmBinaryFormatModuleTests.java
index d53ffc62..ad63f317 100644
--- a/src/test/java/org/shedlang/compiler/backends/wasm/structure/WasmBinaryFormatModuleTests.java
+++ b/src/test/java/org/shedlang/compiler/backends/wasm/structure/WasmBinaryFormatModuleTests.java
@@ -5,6 +5,8 @@ import au.com.origin.snapshots.junit5.SnapshotExtension;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.shedlang.compiler.backends.wasm.structure.ast.WasmModule;
+import org.shedlang.compiler.backends.wasm.structure.ast.imports.WasmImport;
+import org.shedlang.compiler.backends.wasm.structure.ast.imports.WasmImportDescriptor;
 import org.shedlang.compiler.backends.wasm.structure.ast.types.WasmFuncType;
 import org.shedlang.compiler.backends.wasm.structure.ast.types.WasmValueType;
 import org.shedlang.compiler.testing.ProcessRunner;
@@ -42,6 +44,29 @@ public class WasmBinaryFormatModuleTests {
         expect.toMatchSnapshot(result);
     }
 
+    @Test
+    public void canSerializeModuleWithImports() throws IOException, InterruptedException {
+        var module = WasmModule.EMPTY
+            .addType(new WasmFuncType(List.of(), List.of()))
+            .addType(new WasmFuncType(List.of(WasmValueType.I32), List.of()))
+            .addImport(new WasmImport(
+                "ModuleName1",
+                "EntityName1",
+                "Identifier1",
+                new WasmImportDescriptor.Func(new WasmFuncType(List.of(), List.of()))
+            ))
+            .addImport(new WasmImport(
+                "ModuleName2",
+                "EntityName2",
+                "Identifier2",
+                new WasmImportDescriptor.Func(new WasmFuncType(List.of(WasmValueType.I32), List.of()))
+            ));
+
+        var result = serializeModule(module);
+
+        expect.toMatchSnapshot(result);
+    }
+
     private String serializeModule(WasmModule module) throws IOException, InterruptedException {
         Files.createDirectories(Path.of("tests-tmp"));
         var temporaryDirectory = Files.createTempDirectory(Path.of("tests-tmp"), "WasmBinaryFormat");
diff --git a/src/test/java/org/shedlang/compiler/backends/wasm/structure/snapshots/WasmBinaryFormatModuleTests.snap b/src/test/java/org/shedlang/compiler/backends/wasm/structure/snapshots/WasmBinaryFormatModuleTests.snap
index c205ed8e..ccd82568 100644
--- a/src/test/java/org/shedlang/compiler/backends/wasm/structure/snapshots/WasmBinaryFormatModuleTests.snap
+++ b/src/test/java/org/shedlang/compiler/backends/wasm/structure/snapshots/WasmBinaryFormatModuleTests.snap
@@ -3,6 +3,11 @@ module.wasm:	file format wasm 0x1Section Details:Code Disassembly:
 ]
 
 
+org.shedlang.compiler.backends.wasm.structure.WasmBinaryFormatModuleTests.canSerializeModuleWithImports=[
+module.wasm:	file format wasm 0x1Section Details:Type[2]: - type[0] () -> nil - type[1] (i32) -> nilImport[2]: - func[0] sig=0 <ModuleName1.EntityName1> <- ModuleName1.EntityName1 - func[1] sig=1 <ModuleName2.EntityName2> <- ModuleName2.EntityName2Code Disassembly:
+]
+
+
 org.shedlang.compiler.backends.wasm.structure.WasmBinaryFormatModuleTests.canSerializeModuleWithTypes=[
 module.wasm:	file format wasm 0x1Section Details:Type[2]: - type[0] () -> nil - type[1] (i32, i64) -> (f32, f64)Code Disassembly:
 ]
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