vtgl

Commit: eba3307fd35d076d2eb1989431abbd17e8b11fcb
Parent: 6f9a8436cf0cc98b4c2c944cc4c2124b69507270
Author: Randy Palamar
Date:   Thu, 24 Oct 2024 06:17:47 -0600

make debug line dump slightly more usable

we need some other info about the terminal to make sure we can
recreate the bug based on the line dump.

Diffstat:
M
debug.c
 | 
42
+++++++++++++++++++++++++++---------------
M
os_unix.c
 | 
11
++++++++++-
M
vtgl.c
 | 
2
+-

3 files changed, 38 insertions(+), 17 deletions(-)
diff --git a/debug.c b/debug.c
@@ -56,26 +56,38 @@ fput_line_info(FILE *f, Term *t, Line *l)
 }
 
 static void
-dump_last_line_to_file(Term *t)
+dump_lines_to_file(Term *t)
 {
-	char *fname = "last_line.bin";
-	FILE *f = fopen(fname, "w");
+	char buf[256];
+	u64 current_time = os_get_time();
+	snprintf(buf, sizeof(buf), "%zu-lines.bin", current_time);
+
+	FILE *f = fopen(buf, "w");
 	if (!f) return;
 
-	printf("dumping line to %s\n", fname);
+	printf("dumping lines to %s\n", buf);
 
 	TermView *tv = t->views + t->view_idx;
-	fputs("Line Idx -1:\n", f);
-	Line *line = tv->lines.buf + get_line_idx(&tv->lines, -1);
-	s8 l = line_to_s8(line, &tv->log);
-	fput_line_info(f, t, line);
-	fwrite(l.data, 1, l.len, f);
-
-	fputs("\nLine Idx 0:\n", f);
-	line = tv->lines.buf + get_line_idx(&tv->lines, 0);
-	l    = line_to_s8(line, &tv->log);
-	fput_line_info(f, t, line);
-	fwrite(l.data, 1, l.len, f);
+	size line_count = MIN(256, tv->lines.filled);
+
+	fputs("Term Info:\n", f);
+	fprintf(f, "  Size:          %ux%u\n", t->size.w, t->size.h);
+	fprintf(f, "  Window Size:   %ux%u\n", (u32)t->gl.window_size.w, (u32)t->gl.window_size.h);
+	fprintf(f, "  Mode:          0x%X\n",  t->mode);
+	fprintf(f, "  Window Mode:   0x%X\n",  t->gl.mode);
+	fprintf(f, "  Scroll Region:\n");
+	fprintf(f, "    Top:    %u\n", t->top);
+	fprintf(f, "    Bottom: %u\n", t->bot);
+	fprintf(f, "  Offset:   %d\n", t->scroll_offset);
+	fprintf(f, "Raw Line Count: %u\n", (u32)line_count);
+	fputs("==============================\n", f);
+
+	for (size i = -(line_count - 1); i <= 0; i++) {
+		Line *line = tv->lines.buf + get_line_idx(&tv->lines, i);
+		s8 l = line_to_s8(line, &tv->log);
+		fwrite(l.data, 1, l.len, f);
+	}
+	fputc('\n', f);
 
 	fclose(f);
 }
diff --git a/os_unix.c b/os_unix.c
@@ -4,11 +4,11 @@
 #include <pwd.h>
 #include <stdarg.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <sys/mman.h>
 #include <sys/select.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
+#include <time.h>
 #include <unistd.h>
 
 typedef struct timespec os_filetime;
@@ -27,6 +27,15 @@ typedef struct {
 #define OS_MAP_READ    PROT_READ
 #define OS_MAP_PRIVATE MAP_PRIVATE
 
+static u64
+os_get_time(void)
+{
+	struct timespec ts;
+	clock_gettime(CLOCK_REALTIME, &ts);
+	u64 result = ts.tv_sec;
+	return result;
+}
+
 static void
 os_write_err_msg(s8 msg)
 {
diff --git a/vtgl.c b/vtgl.c
@@ -609,7 +609,7 @@ key_callback(GLFWwindow *win, i32 key, i32 sc, i32 act, i32 mods)
 
 	#ifdef _DEBUG
 	if (key == GLFW_KEY_F1 && act == GLFW_PRESS) {
-		dump_last_line_to_file(t);
+		dump_lines_to_file(t);
 		return;
 	}
 	if (key == GLFW_KEY_F2 && act == GLFW_PRESS) {