From ffcf768d07c82a2213674fbec623c684e8feb9ee Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Wed, 9 Sep 2026 12:28:04 +0000
Subject: add error system

---
 src/lexer/ast.cc   | 13 +++++--------
 src/lexer/token.cc |  1 +
 2 files changed, 6 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/lexer/ast.cc b/src/lexer/ast.cc
index 755e909..4fbb62a 100644
--- a/src/lexer/ast.cc
+++ b/src/lexer/ast.cc
@@ -9,6 +9,7 @@
 #include "lexer/token.h"
 #include "lexer/symbol_property.h"
 #include "util/io.h"
+#include "error.h"
 
 using namespace std;
 
@@ -112,29 +113,25 @@ void T_lexer::parse(size_t cmd_begin, size_t cmd_end, size_t ast_vec)
     // miss left
     if (symbol_property[token_str].left == EXIST && cmd_begin == found_pos)
     {
-        loggerln("parse: missing left child");
-        exit(-1); // TODO
+        throw T_error{error_code::AST_MISS_LEFT_CHILD, "parse: missing left child"};
     }
 
     // miss right
     if (symbol_property[token_str].right == EXIST && cmd_end-1 == found_pos)
     {
-        loggerln("parse: missing right child");
-        exit(-1); // TODO
+        throw T_error{error_code::AST_MISS_RIGHT_CHILD, "parse: missing right child"};
     }
 
     // should not exist left
     if (symbol_property[token_str].left == NOT_EXIST && cmd_begin != found_pos)
     {
-        loggerln("parse: left child should NOT exist");
-        exit(-1); // TODO
+        throw T_error{error_code::AST_EXIST_LEFT_CHILLD, "parse: left child should NOT exist"};
     }
 
     // should not exist right
     if (symbol_property[token_str].right == NOT_EXIST && cmd_end-1 != found_pos)
     {
-        loggerln("parse: right child should NOT exist");
-        exit(-1); // TODO
+        throw T_error{error_code::AST_EXIST_LEFT_CHILLD, "parse: right child should NOT exist"};
     }
 
     size_t l = alloc_ast();
diff --git a/src/lexer/token.cc b/src/lexer/token.cc
index 071d00c..091a7ab 100644
--- a/src/lexer/token.cc
+++ b/src/lexer/token.cc
@@ -8,6 +8,7 @@
 #include "lexer/enum_type.h"
 #include "lexer/symbol_property.h"
 #include "util/io.h"
+#include "error.h"
 
 using namespace std; // remove this
 
-- 
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