Add CLI

1 files changed, 63 insertions, 0 deletions

diff --git a/src/main/java/org/shedlang/compiler/ShedCompiler.java b/src/main/java/org/shedlang/compiler/ShedCompiler.java
new file mode 100644
index 00000000..a7949d53
--- /dev/null
+++ b/src/main/java/org/shedlang/compiler/ShedCompiler.java
@@ -0,0 +1,63 @@
+package org.shedlang.compiler;
+
+import org.shedlang.compiler.parser.Parser;
+import org.shedlang.compiler.sources.Sources;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+
+import static org.shedlang.compiler.parser.Tokeniser.tokenise;
+
+public class ShedCompiler {
+    public void compile(Path projectRoot) throws IOException {
+        var sourceRoot = projectRoot.resolve("src");
+
+        var sourceFilePaths = collectSourceFilePaths(sourceRoot);
+
+        for (var sourceFilePath : sourceFilePaths) {
+            System.out.println(sourceFilePath);
+
+            var sourceContents = Files.readString(sourceFilePath, StandardCharsets.UTF_8);
+            var source = Sources.file(sourceFilePath.toString(), sourceContents);
+            var tokens = tokenise(source);
+            var node = Parser.parseNamespace(tokens);
+            System.out.println(node);
+
+            System.out.println();
+        }
+    }
+
+    private List<Path> collectSourceFilePaths(Path sourceRoot) throws IOException {
+        var paths = new ArrayList<Path>();
+        Files.walkFileTree(sourceRoot, new SimpleFileVisitor<Path>() {
+            @Override
+            public FileVisitResult visitFile(
+                Path file,
+                BasicFileAttributes attrs
+            ) {
+                if (file.getFileName().toString().endsWith(".shed")) {
+                    paths.add(file);
+                }
+                return FileVisitResult.CONTINUE;
+            }
+
+            @Override
+            public FileVisitResult postVisitDirectory(
+                Path dir,
+                IOException exc
+            ) {
+                return FileVisitResult.CONTINUE;
+            }
+        });
+        paths.sort(Comparator.naturalOrder());
+        return paths;
+    }
+}