From 045969708f21e19f852256f8bf934f4289b96495 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Thu, 23 Apr 2026 17:03:59 +0100
Subject: Add basic example

---
 .../hobgoblin/compiler/HobgoblinCompiler.java      | 28 ++++++++++++++++++++++
 .../filesystem/HobgoblinCompilerFiles.java         | 13 ++++++++++
 .../zwobble/hobgoblin/compiler/parser/Parser.java  |  9 +++++++
 .../hobgoblin/compiler/parser/TokenIterator.java   |  2 +-
 4 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/org/zwobble/hobgoblin/compiler/HobgoblinCompiler.java
 create mode 100644 src/main/java/org/zwobble/hobgoblin/compiler/filesystem/HobgoblinCompilerFiles.java

(limited to 'src/main/java/org')

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;
-- 
cgit v1.2.3