From 9d2293baa6ecf61dce2c3ac57b03fb2095d29e0e Mon Sep 17 00:00:00 2001
From: Blendi <blendi@codersquack.nl>
Date: Thu, 16 Apr 2026 12:08:01 +0200
Subject: [PATCH] while loop parsing

---
 src/main.c   |  2 +-
 src/parser.c | 31 +++++++++++++++++++++++++++++++
 src/parser.h |  1 +
 3 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/src/main.c b/src/main.c
index 1cffbb6..ff856f5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -33,7 +33,7 @@ void print_node(noomP_Node* node, noom_uint_t depth) {
 
 int main(int argc, char** argv) {
 	// uhh uhhh uhhhhh
-	const char* code = "if false or true then elseif true or false then else end";
+	const char* code = "while true do end";
 	noom_uint_t pos = 0;
 
 	printf("LEX OUTPUT:\n");
diff --git a/src/parser.c b/src/parser.c
index 39c447f..43722f3 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -459,6 +459,37 @@ noomP_Node* noomP_parseRawStatement(noomP_Parser* parser) {
 			noomP_skip(parser, &token);
 
 			return ifStatement;
+		} else if (noom_streql(parser->code + token.offset, token.length, "while", 5)) {
+			noomP_skip(parser, &token); // skip `while`
+
+			noomP_Node* node = noomP_allocNode(parser);
+			if (node == 0) return 0;
+
+			node->type = NOOMP_NODE_WHILELOOP;
+			node->source_offset = token.offset;
+
+			noomP_Node* cond = noomP_parseExpression(parser);
+			if (cond == 0) return 0;
+
+			noomP_addSubnode(node, cond);
+
+			noomP_peek(parser, &token);
+
+			if (token.type != NOOML_TOKEN_KEYWORD) return 0; // unexpected
+			if (!noom_streql(parser->code + token.offset, token.length, "do", 2)) return 0; // unexpected
+			noomP_skip(parser, &token); // skip `do`
+
+			noomP_Node* block = noomP_parseBlock(parser);
+			if (block == 0) return 0;
+
+			noomP_addSubnode(node, block);
+
+			noomP_peek(parser, &token);
+			if (token.type != NOOML_TOKEN_KEYWORD) return 0; // unexpected
+			if (!noom_streql(parser->code + token.offset, token.length, "end", 3)) return 0; // unexpected
+			noomP_skip(parser, &token); // skip `end`
+
+			return node;
 		}
 	}
 
diff --git a/src/parser.h b/src/parser.h
index 16cb4eb..2b34981 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -8,6 +8,7 @@ typedef enum noomP_NodeType {
 	
 	NOOMP_NODE_LOCALDECLARATION,
 	NOOMP_NODE_IFSTATEMENT,
+	NOOMP_NODE_WHILELOOP,
 	NOOMP_NODE_BLOCK,
 	
 	NOOMP_NODE_VARIABLE,