1 package org.simantics.scl.compiler.source;
3 import java.io.IOException;
5 import java.util.Arrays;
7 import org.simantics.scl.compiler.compilation.SCLCompiler;
8 import org.simantics.scl.compiler.environment.EnvironmentFactoryImpl;
9 import org.simantics.scl.compiler.errors.CompilationErrorFormatter;
10 import org.simantics.scl.compiler.errors.Failable;
11 import org.simantics.scl.compiler.errors.Failure;
12 import org.simantics.scl.compiler.errors.Success;
13 import org.simantics.scl.compiler.internal.codegen.types.JavaReferenceValidator;
14 import org.simantics.scl.compiler.internal.codegen.types.RuntimeJavaReferenceValidator;
15 import org.simantics.scl.compiler.module.ImportDeclaration;
16 import org.simantics.scl.compiler.module.Module;
17 import org.simantics.scl.compiler.module.options.ModuleCompilationOptions;
18 import org.simantics.scl.compiler.module.repository.ModuleRepository;
19 import org.simantics.scl.compiler.module.repository.UpdateListener;
21 public abstract class TextualModuleSource implements ModuleSource {
22 public static final ImportDeclaration[] DEFAULT_IMPORTS = new ImportDeclaration[] {
23 new ImportDeclaration("Builtin", ""),
24 new ImportDeclaration("Prelude", "")
27 private final String moduleName;
28 private final double priority;
30 public TextualModuleSource(String moduleName, double priority) {
31 this.moduleName = moduleName;
32 this.priority = priority;
35 public TextualModuleSource(String moduleName) {
36 this(moduleName, 0.0);
40 public ClassLoader getClassLoader() {
41 return getClass().getClassLoader();
44 protected abstract Reader getSourceReader(UpdateListener listener) throws IOException;
45 protected JavaReferenceValidator<?, ?, ?, ?> getJavaReferenceValidator() {
46 return new RuntimeJavaReferenceValidator(getClassLoader());
49 public String getSourceText(UpdateListener listener) throws IOException {
50 Reader reader = getSourceReader(listener);
51 char[] buffer = new char[65536];
55 int count = reader.read(buffer, pos, buffer.length-pos);
57 return new String(buffer, 0, pos);
59 if(pos == buffer.length)
60 buffer = Arrays.copyOf(buffer, 2*buffer.length);
67 protected ImportDeclaration[] getBuiltinImports(UpdateListener listener) {
68 return DEFAULT_IMPORTS;
72 public String getModuleName() {
76 @SuppressWarnings("unchecked")
78 public Failable<Module> compileModule(final ModuleRepository environment, final UpdateListener listener, ModuleCompilationOptions options) {
79 SCLCompiler compiler = new SCLCompiler(options);
81 compiler.addSource(getSourceReader(listener));
83 new EnvironmentFactoryImpl(
85 getBuiltinImports(listener),
88 getJavaReferenceValidator());
89 if(compiler.getErrorLog().isEmpty())
90 return new Success<Module>(compiler.getModule());
92 System.err.println("While compiling " + getModuleName() + ":");
93 System.err.println(CompilationErrorFormatter.toString(getSourceReader(null), compiler.getErrorLog().getErrors()));
94 return new Failure(compiler.getErrorLog().getErrors());
96 } catch (IOException e) {
97 return new Failure(e);
102 public double getPriority() {
107 public String toString() {
108 return getClass().getSimpleName() + "(" + moduleName + ")";
111 public boolean isUpdateable() {
115 public void update(String newSourceText) {
116 throw new UnsupportedOperationException();