cleanup

src/main.zig

@@ -115,11 +115,11 @@ fn readSource(allocator: std.mem.Allocator, io: std.Io, input_path: []const u8)
     return try allocator.dupeZ(u8, source_bytes);
 }
 
-fn emitIR(allocator: std.mem.Allocator, io: std.Io, input_path: []const u8) !void {
+fn compilePipeline(allocator: std.mem.Allocator, io: std.Io, input_path: []const u8) !sx.core.Compilation {
     const source = try readSource(allocator, io, input_path);
 
     var comp = sx.core.Compilation.init(allocator, io, input_path, source);
-    defer comp.deinit();
+    errdefer comp.deinit();
 
     comp.parse() catch { comp.renderErrors(); return error.CompileError; };
     comp.resolveImports() catch { comp.renderErrors(); return error.CompileError; };
@@ -127,21 +127,21 @@ fn emitIR(allocator: std.mem.Allocator, io: std.Io, input_path: []const u8) !voi
 
     var cg = &comp.cg.?;
     cg.verify() catch { comp.renderErrors(); return error.CompileError; };
-    cg.printIR();
+
+    return comp;
+}
+
+fn emitIR(allocator: std.mem.Allocator, io: std.Io, input_path: []const u8) !void {
+    var comp = try compilePipeline(allocator, io, input_path);
+    defer comp.deinit();
+    comp.cg.?.printIR();
 }
 
 fn compile(allocator: std.mem.Allocator, io: std.Io, input_path: []const u8, output_path: []const u8) !void {
-    const source = try readSource(allocator, io, input_path);
-
-    var comp = sx.core.Compilation.init(allocator, io, input_path, source);
+    var comp = try compilePipeline(allocator, io, input_path);
     defer comp.deinit();
 
-    comp.parse() catch { comp.renderErrors(); return error.CompileError; };
-    comp.resolveImports() catch { comp.renderErrors(); return error.CompileError; };
-    comp.generateCode() catch { comp.renderErrors(); return error.CompileError; };
-
     var cg = &comp.cg.?;
-    cg.verify() catch { comp.renderErrors(); return error.CompileError; };
 
     // Emit object file
     const obj_path = try std.fmt.allocPrintSentinel(allocator, "{s}.o", .{output_path}, 0);