From c219c38e854fe15bc47519d2df0d6cbd7bab2ab7 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Wed, 21 Apr 2021 00:05:04 +0200
Subject: Started syntax highlighting

doesn't work but don't want to fix lel.
---
 src/syntax.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 src/syntax.c

(limited to 'src/syntax.c')

diff --git a/src/syntax.c b/src/syntax.c
new file mode 100644
index 0000000..d01496e
--- /dev/null
+++ b/src/syntax.c
@@ -0,0 +1,60 @@
+#include <def.h>
+#include <gui.h>
+#include <lexer.h>
+#include <stdio.h>
+#include <syntax.h>
+
+struct pos {
+	u32 x;
+	u32 y;
+};
+
+static void syntax_highlight_line(struct pos *pos, char *str, u32 size)
+{
+	while (1) {
+		/* printf("%d:%d\n", pos->y, pos->x); */
+		struct token tok = token_resolve(str + pos->x, size - pos->x);
+
+		if (tok.type == NEWLINE) {
+			pos->x = 0;
+			pos->y++;
+			return;
+		}
+
+		if (tok.type == UNKNOWN)
+			return;
+
+		if (tok.type == SPACE) {
+			pos->x += tok.length;
+			continue;
+		}
+
+		token_print(&tok);
+
+		/* if (tok.type > INSTR_START && tok.type < INSTR_END) */
+		/* 	gui_highlight(pos->x, pos->y, tok.length, "instr"); */
+		/* else if (tok.type > REGS_START && tok.type < REGS_END) { */
+		/* 	gui_highlight(pos->x, pos->y, tok.length, "regs"); */
+		/* } */
+
+		pos->x += tok.length;
+	}
+}
+
+void syntax_highlight(char *buf, u32 size)
+{
+	return; // TODO: Fix some stuff
+	struct pos pos = { 0 };
+
+	char *start = buf;
+	for (u32 i = 0; i < size; i++) {
+		if (buf[i] == '\0')
+			break;
+
+		if (buf[i] == '\n') {
+			pos.x = 0;
+			syntax_highlight_line(&pos, start, i);
+			start += i;
+		}
+	}
+}
-- 
cgit v1.2.3