From dc645a36aaade7087ade574cefe69ce7bb29753e Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Sat, 17 Oct 2026 09:09:03 +0000
Subject: refactor(diag): file-qualified diagnostic locations

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 lib/Lexer/Lexer.cc | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'lib/Lexer')

diff --git a/lib/Lexer/Lexer.cc b/lib/Lexer/Lexer.cc
index 61785c7..acdedd0 100644
--- a/lib/Lexer/Lexer.cc
+++ b/lib/Lexer/Lexer.cc
@@ -1,3 +1,4 @@
+#include "cps/Diagnostics.h"
 #include "cps/Lexer.h"
 #include <algorithm>
 #include <charconv>
@@ -29,7 +30,7 @@ int Lexer::readToken() {
         if (LastChar == '"') {
             LastChar = Input.get();
         } else {
-            fprintf(stderr, "error: Unterminated string literal at line %d\n", CurrentLine);
+            cps::sourceDiagnostic(CurrentLine, "error: Unterminated string literal at line %d\n", CurrentLine);
             HadError = true;
         }
 
@@ -39,7 +40,7 @@ int Lexer::readToken() {
     if (LastChar == '\'') {
         int CharCode = Input.get();
         if (CharCode == EOF || CharCode == '\n') {
-            fprintf(stderr, "error: Unterminated char literal at line %d\n", CurrentLine);
+            cps::sourceDiagnostic(CurrentLine, "error: Unterminated char literal at line %d\n", CurrentLine);
             HadError = true;
             CharVal = '?';
             StringVal.assign(1, CharVal);
@@ -50,7 +51,7 @@ int Lexer::readToken() {
 
         int ClosingQuote = Input.get();
         if (ClosingQuote != '\'') {
-            fprintf(stderr, "error: CHAR literal must contain exactly one character (line %d)\n", CurrentLine);
+            cps::sourceDiagnostic(CurrentLine, "error: CHAR literal must contain exactly one character (line %d)\n", CurrentLine);
             HadError = true;
             while (ClosingQuote != EOF && ClosingQuote != '\n' && ClosingQuote != '\'') {
                 ClosingQuote = Input.get();
@@ -181,7 +182,7 @@ int Lexer::readToken() {
         auto Parsed = std::from_chars(NumStr.data(), NumStr.data() + NumStr.size(), NumVal);
         if (Parsed.ec != std::errc{} ||
             NumVal > uint64_t(std::numeric_limits<int64_t>::max()) + 1) {
-            fprintf(stderr, "error: Integer literal is outside the i64 range at line %d\n", TokenLine);
+            cps::sourceDiagnostic(CurrentLine, "error: Integer literal is outside the i64 range at line %d\n", TokenLine);
             HadError = true;
             NumVal = 0;
         }
-- 
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