71 lines
2.1 KiB
Java
71 lines
2.1 KiB
Java
package acceptance.fixture;
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import static table.FunctionTable.resetFunctionTable;
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import static util.Path.getPathPrefix;
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import java.io.*;
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import environment.RuntimeEnvironment;
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import interpreter.*;
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import table.ExecutionContext;
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public class LispInterpreterFixture {
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private static ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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private static ExecutionContext executionContext = ExecutionContext.getInstance();
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private static RuntimeEnvironment environment = RuntimeEnvironment.getInstance();
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private static LispInterpreter interpreter = null;
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public static void buildInterpreter() {
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LispInterpreterBuilder builder = new LispInterpreterBuilderImpl() {};
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builder.setOutput(new PrintStream(outputStream));
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builder.setErrorOutput(new PrintStream(outputStream));
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builder.setNotInteractive();
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builder.setTerminationFunction(LispInterpreterFixture::terminate);
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builder.setErrorTerminationFunction(LispInterpreterFixture::terminateFromError);
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interpreter = builder.build();
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}
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public static void terminate() {}
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public static void terminateFromError() {
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throw new RuntimeException("Error Termination");
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}
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public static void cleanUp() {
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clearFunctionsAndSymbols();
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environment.reset();
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}
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public static void clearFunctionsAndSymbols() {
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resetFunctionTable();
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executionContext.clearContext();
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}
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public String evaluateText(String input) {
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environment.setInputName("fitnesse");
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environment.setInput(new ByteArrayInputStream(input.getBytes()));
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environment.setPath("");
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return evaluate();
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}
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public String evaluateFile(String inputFile) throws FileNotFoundException {
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environment.setInputName(inputFile);
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environment.setInput(new FileInputStream(inputFile));
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environment.setPath(getPathPrefix(inputFile));
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return evaluate();
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}
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private String evaluate() {
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interpreter.interpret();
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String output = outputStream.toString();
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outputStream.reset();
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return output.trim();
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}
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}
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