Add basic example

6 files changed, 111 insertions, 1 deletions

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/HobgoblinCompiler.java b/src/main/java/org/zwobble/hobgoblin/compiler/HobgoblinCompiler.java
new file mode 100644
index 0000000..9d95dae
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/HobgoblinCompiler.java
@@ -0,0 +1,28 @@
+package org.zwobble.hobgoblin.compiler;
+
+import org.zwobble.hobgoblin.compiler.parser.Parser;
+import org.zwobble.hobgoblin.compiler.types.NamespaceName;
+import org.zwobble.sourcetext.SourceText;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+public class HobgoblinCompiler {
+    private HobgoblinCompiler() {
+    }
+
+    public static void compile(Path projectRoot) throws IOException {
+        var sourceDirectory = projectRoot.resolve("src");
+        var sourceFiles = sourceDirectory.toFile()
+            .listFiles(file -> file.toPath().toString().endsWith(".hob"));
+        for (var sourceFile : sourceFiles) {
+            // TODO: derive namespace name from source path
+            var namespaceName = NamespaceName.of();
+            var sourceContents = Files.readString(sourceFile.toPath(), StandardCharsets.UTF_8);
+            var sourceText = SourceText.fromString(sourceFile.toPath().toString(), sourceContents);
+            var namespace = Parser.parseNamespace(sourceText, namespaceName);
+        }
+    }
+}
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/filesystem/HobgoblinCompilerFiles.java b/src/main/java/org/zwobble/hobgoblin/compiler/filesystem/HobgoblinCompilerFiles.java
new file mode 100644
index 0000000..5609313
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/filesystem/HobgoblinCompilerFiles.java
@@ -0,0 +1,13 @@
+package org.zwobble.hobgoblin.compiler.filesystem;
+
+import java.nio.file.Path;
+
+public class HobgoblinCompilerFiles {
+    private HobgoblinCompilerFiles() {
+    }
+
+    public static Path getRoot() {
+        // TODO: don't assume we're in the project root
+        return Path.of(".");
+    }
+}
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/parser/Parser.java b/src/main/java/org/zwobble/hobgoblin/compiler/parser/Parser.java
index 7a50bf5..fbf38bb 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/parser/Parser.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/parser/Parser.java
@@ -5,6 +5,7 @@ import org.zwobble.hobgoblin.compiler.sources.FileFragmentSource;
 import org.zwobble.hobgoblin.compiler.sources.Source;
 import org.zwobble.hobgoblin.compiler.types.NamespaceName;
 import org.zwobble.sourcetext.SourcePosition;
+import org.zwobble.sourcetext.SourceText;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -16,6 +17,14 @@ public class Parser {
     }
 
     public static UntypedNamespaceNode parseNamespace(
+        SourceText sourceText,
+        NamespaceName namespaceName
+    ) {
+        var tokens = Tokenizer.tokenize(sourceText);
+        return parseNamespace(tokens.iterator(), namespaceName);
+    }
+
+    static UntypedNamespaceNode parseNamespace(
         TokenIterator tokens,
         NamespaceName namespaceName
     ) {
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/parser/TokenIterator.java b/src/main/java/org/zwobble/hobgoblin/compiler/parser/TokenIterator.java
index a66ec35..0ae3d28 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/parser/TokenIterator.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/parser/TokenIterator.java
@@ -4,7 +4,7 @@ import org.zwobble.sourcetext.SourcePosition;
 
 import java.util.List;
 
-public class TokenIterator {
+class TokenIterator {
     private final List<Token> tokens;
     private int tokenIndex;
     private final Token tokenEnd;
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/ExampleSet.java b/src/test/java/org/zwobble/hobgoblin/compiler/ExampleSet.java
new file mode 100644
index 0000000..5a29e90
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/ExampleSet.java
@@ -0,0 +1,38 @@
+package org.zwobble.hobgoblin.compiler;
+
+import org.zwobble.hobgoblin.compiler.filesystem.HobgoblinCompilerFiles;
+
+import java.io.File;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.stream.Stream;
+
+public class ExampleSet {
+    public static Stream<ExampleSet> exampleSets() {
+        return exampleSetDirectories()
+            .map(exampleDirectory -> new ExampleSet(exampleDirectory.toPath()));
+    }
+
+    /// The directory of each example set.
+    private static Stream<File> exampleSetDirectories() {
+        var examplesRoot = HobgoblinCompilerFiles.getRoot().resolve("examples");
+
+        return Arrays.stream(examplesRoot.toFile()
+            .listFiles(file -> file.isDirectory()));
+    }
+
+    private final Path path;
+
+    private ExampleSet(Path path) {
+        this.path = path;
+    }
+
+    public String name() {
+        return this.path.getFileName().toString();
+    }
+
+    public Path path() {
+        return this.path;
+    }
+}
+
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java
new file mode 100644
index 0000000..354cb08
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java
@@ -0,0 +1,22 @@
+package org.zwobble.hobgoblin.compiler;
+
+import org.junit.jupiter.api.DynamicTest;
+import org.junit.jupiter.api.TestFactory;
+
+import java.io.IOException;
+import java.util.stream.Stream;
+
+public class ExampleTests {
+    @TestFactory
+    public Stream<DynamicTest> tests() {
+        return ExampleSet.exampleSets()
+            .map(exampleSet -> DynamicTest.dynamicTest(
+                exampleSet.name(),
+                () -> runTest(exampleSet)
+            ));
+    }
+
+    private void runTest(ExampleSet exampleSet) throws IOException {
+        HobgoblinCompiler.compile(exampleSet.path());
+    }
+}