refactor(lsp): move indexer to separate file

cmd/lsp/indexer.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/nevalang/neva/internal/builder"
+	"github.com/nevalang/neva/internal/compiler/analyzer"
+	"github.com/nevalang/neva/internal/compiler/parser"
+	src "github.com/nevalang/neva/internal/compiler/sourcecode"
+)
+
+type Indexer struct {
+	builder  builder.Builder
+	parser   parser.Parser
+	analyzer analyzer.Analyzer
+}
+
+type analyzerMessage string
+
+func (i Indexer) index(ctx context.Context, path string) (src.Module, analyzerMessage, error) {
+	build, err := i.builder.Build(ctx, path)
+	if err != nil {
+		return src.Module{}, "", fmt.Errorf("builder: %w", err)
+	}
+
+	rawMod := build.Modules[build.EntryModule] // TODO use all mods
+
+	parsedPkgs, err := i.parser.ParsePackages(ctx, rawMod.Packages)
+	if err != nil {
+		return src.Module{}, "", fmt.Errorf("parse prog: %w", err)
+	}
+
+	mod := src.Module{
+		Manifest: rawMod.Manifest,
+		Packages: parsedPkgs,
+	}
+
+	if _, err = i.analyzer.Analyze(mod); err != nil { // note that we interpret this error as a message, not failure
+		return mod, analyzerMessage(err.Error()), nil
+	}
+
+	return mod, "", nil
+}

cmd/lsp/main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"context"
 	"flag"
 	"fmt"
 
@@ -29,39 +28,6 @@ type Server struct {
 	problems  chan string
 }
 
-type Indexer struct {
-	builder  builder.Builder
-	parser   parser.Parser
-	analyzer analyzer.Analyzer
-}
-
-type analyzerMessage string
-
-func (i Indexer) index(ctx context.Context, path string) (src.Module, analyzerMessage, error) {
-	build, err := i.builder.Build(ctx, path)
-	if err != nil {
-		return src.Module{}, "", fmt.Errorf("builder: %w", err)
-	}
-
-	rawMod := build.Modules[build.EntryModule] // TODO use all mods
-
-	parsedPkgs, err := i.parser.ParsePackages(ctx, rawMod.Packages)
-	if err != nil {
-		return src.Module{}, "", fmt.Errorf("parse prog: %w", err)
-	}
-
-	mod := src.Module{
-		Manifest: rawMod.Manifest,
-		Packages: parsedPkgs,
-	}
-
-	if _, err = i.analyzer.Analyze(mod); err != nil { // note that we interpret this error as a message, not failure
-		return mod, analyzerMessage(err.Error()), nil
-	}
-
-	return mod, "", nil
-}
-
 func main() { //nolint:funlen
 	const serverName = "neva"