Examples with WasmJsApiException org.graalvm.wasm.exception.WasmJsApiException used on opensource projects

Example 1 with WasmJsApiException

use of org.graalvm.wasm.exception.WasmJsApiException in project graal by oracle.

the class WebAssembly method toSizeLimits.

private static int[] toSizeLimits(Object[] args) {
    if (args.length == 0) {
        throw new WasmJsApiException(WasmJsApiException.Kind.TypeError, "Initial argument is required");
    }
    int initial;
    try {
        initial = InteropLibrary.getUncached().asInt(args[0]);
    } catch (UnsupportedMessageException ex) {
        throw new WasmJsApiException(WasmJsApiException.Kind.TypeError, "Initial argument must be convertible to int");
    }
    int maximum;
    if (args.length == 1) {
        maximum = -1;
    } else {
        try {
            maximum = InteropLibrary.getUncached().asInt(args[1]);
        } catch (UnsupportedMessageException ex) {
            throw new WasmJsApiException(WasmJsApiException.Kind.TypeError, "Maximum argument must be convertible to int");
        }
    }
    return new int[] { initial, maximum };
}

Example 2 with WasmJsApiException

use of org.graalvm.wasm.exception.WasmJsApiException in project graal by oracle.

the class WebAssembly method tableWrite.

private static Object tableWrite(Object[] args) {
    checkArgumentCount(args, 3);
    if (!(args[0] instanceof WasmTable)) {
        throw new WasmJsApiException(WasmJsApiException.Kind.TypeError, "First argument must be wasm table");
    }
    if (!(args[1] instanceof Integer)) {
        throw new WasmJsApiException(WasmJsApiException.Kind.TypeError, "Second argument must be integer");
    }
    WasmTable table = (WasmTable) args[0];
    int index = (Integer) args[1];
    return tableWrite(table, index, args[2]);
}

Example 3 with WasmJsApiException

use of org.graalvm.wasm.exception.WasmJsApiException in project graal by oracle.

the class WebAssembly method globalWrite.

private static Object globalWrite(Object[] args) {
    checkArgumentCount(args, 2);
    if (!(args[0] instanceof WasmGlobal)) {
        throw new WasmJsApiException(WasmJsApiException.Kind.TypeError, "First argument must be wasm global");
    }
    WasmGlobal global = (WasmGlobal) args[0];
    return globalWrite(global, args[1]);
}

Example 4 with WasmJsApiException

use of org.graalvm.wasm.exception.WasmJsApiException in project graal by oracle.

the class WebAssembly method cannotConvertToBytesError.

private static WasmJsApiException cannotConvertToBytesError(Throwable cause) {
    WasmJsApiException.Kind kind = WasmJsApiException.Kind.TypeError;
    String message = "Cannot convert to bytes";
    return (cause == null) ? new WasmJsApiException(kind, message) : new WasmJsApiException(kind, message, cause);
}

Example 5 with WasmJsApiException

use of org.graalvm.wasm.exception.WasmJsApiException in project graal by oracle.

the class WebAssembly method readModuleImports.

private static HashMap<String, ImportModule> readModuleImports(WasmModule module, Object importObject) {
    CompilerAsserts.neverPartOfCompilation();
    final Sequence<ModuleImportDescriptor> imports = moduleImports(module);
    if (imports.getArraySize() != 0 && importObject == null) {
        throw new WasmJsApiException(WasmJsApiException.Kind.TypeError, "Module requires imports, but import object is undefined.");
    }
    HashMap<String, ImportModule> importModules = new HashMap<>();
    final InteropLibrary lib = InteropLibrary.getUncached();
    try {
        int i = 0;
        while (i < imports.getArraySize()) {
            final ModuleImportDescriptor d = (ModuleImportDescriptor) imports.readArrayElement(i);
            final Object importedModule = getMember(importObject, d.module());
            final Object member = getMember(importedModule, d.name());
            switch(d.kind()) {
                case function:
                    if (!lib.isExecutable(member)) {
                        throw new WasmJsApiException(WasmJsApiException.Kind.LinkError, "Member " + member + " is not callable.");
                    }
                    WasmFunction f = module.importedFunction(d.name());
                    ensureImportModule(importModules, d.module()).addFunction(d.name(), Pair.create(f, member));
                    break;
                case memory:
                    if (!(member instanceof WasmMemory)) {
                        throw new WasmJsApiException(WasmJsApiException.Kind.LinkError, "Member " + member + " is not a valid memory.");
                    }
                    ensureImportModule(importModules, d.module()).addMemory(d.name(), (WasmMemory) member);
                    break;
                case table:
                    if (!(member instanceof WasmTable)) {
                        throw new WasmJsApiException(WasmJsApiException.Kind.LinkError, "Member " + member + " is not a valid table.");
                    }
                    ensureImportModule(importModules, d.module()).addTable(d.name(), (WasmTable) member);
                    break;
                case global:
                    if (!(member instanceof WasmGlobal)) {
                        throw new WasmJsApiException(WasmJsApiException.Kind.LinkError, "Member " + member + " is not a valid global.");
                    }
                    ensureImportModule(importModules, d.module()).addGlobal(d.name(), (WasmGlobal) member);
                    break;
                default:
                    throw WasmException.create(Failure.UNSPECIFIED_INTERNAL, "Unimplemented case: " + d.kind());
            }
            i += 1;
        }
    } catch (InvalidArrayIndexException | UnknownIdentifierException | ClassCastException | UnsupportedMessageException e) {
        throw WasmException.create(Failure.UNSPECIFIED_INTERNAL, "Unexpected state.");
    }
    return importModules;
}