From 4f3226b0b7b135df123ff1641b5889236ff9842f Mon Sep 17 00:00:00 2001
From: "N0\\A" <n0va@krzak.org>
Date: Mon, 13 Jul 2026 14:34:14 +0200
Subject: [PATCH] Tree printing

---
 src/main.odin   | 56 ++++++++++++++++++++++++++++++++++++++++++++++++-
 src/parser.odin | 17 +++++++++++----
 test            |  2 +-
 3 files changed, 69 insertions(+), 6 deletions(-)

diff --git a/src/main.odin b/src/main.odin
index edf2a20..e4c4928 100644
--- a/src/main.odin
+++ b/src/main.odin
@@ -10,8 +10,62 @@ read_stdin :: proc() -> []string {
 	return strings.split_lines(content)
 }
 
+print_token :: proc(token: Token, depth: int) {
+	indent := strings.repeat("    ", depth, context.temp_allocator)
+
+	type_str := ""
+	switch token.type {
+	case TokenType.Text:
+		type_str = "Text"
+	case TokenType.Italics:
+		type_str = "Italics"
+	case TokenType.Bold:
+		type_str = "Bold"
+	case TokenType.BreakLine:
+		type_str = "BreakLine"
+	case TokenType.Heading:
+		type_str = "Heading"
+	case TokenType.Paragraph:
+		type_str = "Paragraph"
+	}
+
+	value_str := ""
+	switch v in token.value {
+	case string:
+		value_str = v
+	case int:
+		value_str = fmt.aprintf("%d", v, allocator = context.temp_allocator)
+	case TokenMode:
+		switch v {
+		case TokenMode.Start:
+			value_str = "Start"
+		case TokenMode.End:
+			value_str = "End"
+		case TokenMode.Modeless:
+			value_str = "Modeless"
+		}
+	}
+
+	if value_str != "" {
+		fmt.printf("%s%s(%s)", indent, type_str, value_str)
+	} else {
+		fmt.printf("%s%s", indent, type_str)
+	}
+	fmt.println()
+
+	for child in token.children {
+		print_token(child, depth + 1)
+	}
+}
+
+print_token_tree :: proc(tokens: [dynamic]Token) {
+	for token in tokens {
+		print_token(token, 0)
+	}
+}
+
 main :: proc() {
 	lines := read_stdin()
 	parsed := parse(lines)
-	fmt.println(parsed)
+	print_token_tree(parsed)
 }
diff --git a/src/parser.odin b/src/parser.odin
index 1713e05..52b4414 100644
--- a/src/parser.odin
+++ b/src/parser.odin
@@ -9,11 +9,13 @@ TokenType :: enum {
 	Bold,
 	BreakLine,
 	Heading,
+	Paragraph,
 }
 
 TokenMode :: enum {
 	Start,
 	End,
+	Modeless,
 }
 
 TokenValue :: union {
@@ -23,12 +25,13 @@ TokenValue :: union {
 }
 
 Token :: struct {
-	type:  TokenType,
-	value: TokenValue,
-	child: [dynamic]Token,
+	type:     TokenType,
+	value:    TokenValue,
+	children: [dynamic]Token,
 }
 
 token_tree := [dynamic]Token{}
+current_token := &token_tree[0]
 
 replace_text :: proc(text: string, start: int, len_: int, repl: string) -> string {
 	builder := strings.builder_make(context.temp_allocator)
@@ -54,14 +57,20 @@ parse_header :: proc(line: string) -> (int, string) {
 }
 
 parse :: proc(lines: []string, allocator := context.allocator) -> [dynamic]Token {
+	token_tree := [dynamic]Token{}
+	append(&token_tree, Token{TokenType.Paragraph, TokenMode.Start, nil})
+	current_token := &token_tree[0]
+
 	for untrimmed_line in lines {
 		line := strings.trim_space(untrimmed_line)
 
 		if len(line) == 0 {
-			append(&token_tree, Token{TokenType.BreakLine, TokenMode.Start, nil})
+			append(&current_token.children, Token{TokenType.BreakLine, TokenMode.Modeless, nil})
 			continue
 		}
 
+		append(&current_token.children, Token{TokenType.Text, line, nil})
+
 		// lvl, text := parse_header(trimmed)
 		// is_header := lvl > 0
 
diff --git a/test b/test
index 0f4ed1c..c36a7d9 100755
--- a/test
+++ b/test
@@ -1 +1 @@
-clear && make format && cat README.tlm | make run | ./preview
+clear && make format && cat README.tlm | make run # | ./preview