From 50730c7784ee742c8c148d4d5b07c4ea312a8e58 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 12 Jan 2025 17:29:05 +0000
Subject: Improve collection of source files

---
 .../java/org/shedlang/compiler/ShedCompiler.java   | 65 ++++------------------
 1 file changed, 12 insertions(+), 53 deletions(-)

(limited to 'src/main/java/org/shedlang/compiler/ShedCompiler.java')

diff --git a/src/main/java/org/shedlang/compiler/ShedCompiler.java b/src/main/java/org/shedlang/compiler/ShedCompiler.java
index 3901da5c..d1bd6101 100644
--- a/src/main/java/org/shedlang/compiler/ShedCompiler.java
+++ b/src/main/java/org/shedlang/compiler/ShedCompiler.java
@@ -11,20 +11,20 @@ import org.shedlang.compiler.shid.ShidCodeGen;
 import org.shedlang.compiler.shid.ShidNamespace;
 import org.shedlang.compiler.typechecker.TypeChecker;
 import org.shedlang.compiler.typechecker.TypeCheckerContext;
-import org.shedlang.compiler.types.*;
+import org.shedlang.compiler.types.Effects;
+import org.shedlang.compiler.types.FieldsInfo;
+import org.shedlang.compiler.types.NamespaceTypeInfo;
+import org.shedlang.compiler.types.Types;
 import org.shedlang.compiler.util.P;
 import org.zwobble.sourcetext.SourceText;
 
 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.*;
-import java.util.stream.StreamSupport;
 
+import static org.shedlang.compiler.SourceFiles.collectSourceFiles;
 import static org.shedlang.compiler.parser.Tokeniser.tokenise;
 import static org.shedlang.compiler.typechecker.NamespaceDependencyLineariser.orderNamespaces;
 
@@ -42,8 +42,8 @@ public class ShedCompiler {
             .flatMap(root -> {
                 var sourceRoot = root.resolve("src");
                 try {
-                    var sourceFilePaths = collectSourceFilePaths(sourceRoot);
-                    return parseSource(sourceRoot, sourceFilePaths).stream();
+                    var sourceFiles = collectSourceFiles(sourceRoot);
+                    return parseSource(sourceFiles).stream();
                 } catch (IOException exception) {
                     throw new RuntimeException(exception);
                 }
@@ -120,59 +120,18 @@ public class ShedCompiler {
         return projectRoots;
     }
 
-    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;
-    }
-
     private List<UntypedNamespaceNode> parseSource(
-        Path sourceRoot,
-        List<Path> sourceFilePaths
+        List<SourceFile> sourceFiles
     ) throws IOException {
         var untypedNamespaceNodes = new ArrayList<UntypedNamespaceNode>();
 
-        for (var sourceFilePath : sourceFilePaths) {
-            // TODO: handle path -> namespace name properly and test
-            var namespaceNameParts = StreamSupport.stream(sourceRoot.relativize(sourceFilePath).spliterator(), false)
-                .map(element -> {
-                    var string = element.toString();
-                    var lastDotIndex = string.lastIndexOf('.');
-                    if (lastDotIndex == -1) {
-                        return string;
-                    } else {
-                        return string.substring(0, lastDotIndex);
-                    }
-                })
-                .toList();
-            var namespaceName = new NamespaceName(namespaceNameParts);
-
-            var sourceContents = Files.readString(sourceFilePath, StandardCharsets.UTF_8);
-            var sourceText = SourceText.fromString(sourceFilePath.toString(), sourceContents);
+        for (var sourceFile : sourceFiles) {
+            var sourceContents = Files.readString(sourceFile.path(), StandardCharsets.UTF_8);
+            var sourceText = SourceText.fromString(sourceFile.path().toString(), sourceContents);
 
             var tokens = tokenise(sourceText);
 
-            var untypedNode = Parser.parseNamespace(tokens, namespaceName);
+            var untypedNode = Parser.parseNamespace(tokens, sourceFile.namespaceName());
             untypedNamespaceNodes.add(untypedNode);
         }
 
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