From 66a151badc6fb11b772c814ffcf2434e308923f2 Mon Sep 17 00:00:00 2001
From: pommicket <pommicket@gmail.com>
Date: Sun, 25 Dec 2022 16:04:46 -0500
Subject: fix problem with jdtls by appending \n to empty files

---
 buffer.c | 11 ++++++++---
 lsp.c    |  2 +-
 main.c   |  2 --
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/buffer.c b/buffer.c
index 239dda3..298e8b6 100644
--- a/buffer.c
+++ b/buffer.c
@@ -2142,12 +2142,18 @@ Status buffer_load_file(TextBuffer *buffer, char const *filename) {
 			buffer_seterr(buffer, "File too big (size: %zu).", file_size);
 			success = false;
 		} else {
-			u8 *file_contents = buffer_calloc(buffer, 1, file_size + 1);
+			u8 *file_contents = buffer_calloc(buffer, 1, file_size + 2);
 			lines_capacity = 4;
 			lines = buffer_calloc(buffer, lines_capacity, sizeof *buffer->lines); // initial lines
 			nlines = 1;
 			size_t bytes_read = fread(file_contents, 1, file_size, fp);
 			if (bytes_read == file_size) {
+				// append a newline if there's no newline
+				if (file_contents[file_size - 1] != '\n') {
+					file_contents[file_size] = '\n';
+					++file_size;
+				}
+				
 				char32_t c = 0;
 				for (u8 *p = file_contents, *end = p + file_size; p != end; ) {
 					if (*p == '\r' && p != end-1 && p[1] == '\n') {
@@ -2178,8 +2184,7 @@ Status buffer_load_file(TextBuffer *buffer, char const *filename) {
 						buffer_line_append_char(buffer, line, c);
 					}
 				}
-			}
-			if (ferror(fp)) {
+			} else {
 				buffer_seterr(buffer, "Error reading from file.");
 				success = false;
 			}
diff --git a/lsp.c b/lsp.c
index 63a0362..b52312f 100644
--- a/lsp.c
+++ b/lsp.c
@@ -1,7 +1,7 @@
 // print server-to-client communication
 #define LSP_SHOW_S2C 0
 // print client-to-server communication
-#define LSP_SHOW_C2S 0
+#define LSP_SHOW_C2S 1
 
 
 #define write_bool lsp_write_bool
diff --git a/main.c b/main.c
index 03d8be5..09f12b3 100644
--- a/main.c
+++ b/main.c
@@ -1,7 +1,5 @@
 /*
 @TODO:
-- in jdtls, opening an empty java file gives an exception. is this my fault?
-- what's wrong with pylsp (try "f.w") in generate.py (might be fixed now)
 - what's wrong with gopls?
 - make sure "save as" works
 - more LSP stuff:
-- 
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