From 74ea7f6e7023b51d5e827ca6a234512635050011 Mon Sep 17 00:00:00 2001
From: sharktide <meherrihaan@gmail.com>
Date: Thu, 6 Mar 2025 19:01:46 -0500
Subject: [PATCH] gh-129545 Enhance error messages

---
 Lib/test/test_syntax.py | 8 ++++----
 Parser/parser.c         | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py
index 707d4fc6df16ea..a95b11dabc768e 100644
--- a/Lib/test/test_syntax.py
+++ b/Lib/test/test_syntax.py
@@ -394,12 +394,12 @@
 >>> def f(x, y=1, z):
 ...     pass
 Traceback (most recent call last):
-SyntaxError: parameter without a default follows parameter with a default
+SyntaxError: positional parameter without a default follows parameter with a default
 
 >>> def f(x, /, y=1, z):
 ...     pass
 Traceback (most recent call last):
-SyntaxError: parameter without a default follows parameter with a default
+SyntaxError: positional parameter without a default follows parameter with a default
 
 >>> def f(x, None):
 ...     pass
@@ -622,11 +622,11 @@
 
 >>> lambda a,d=3,c: None
 Traceback (most recent call last):
-SyntaxError: parameter without a default follows parameter with a default
+SyntaxError: positional parameter without a default follows parameter with a default
 
 >>> lambda a,/,d=3,c: None
 Traceback (most recent call last):
-SyntaxError: parameter without a default follows parameter with a default
+SyntaxError: positional parameter without a default follows parameter with a default
 
 >>> import ast; ast.parse('''
 ... def f(
diff --git a/Parser/parser.c b/Parser/parser.c
index edebddc95f968e..9cb0603f05666a 100644
--- a/Parser/parser.c
+++ b/Parser/parser.c
@@ -21487,7 +21487,7 @@ invalid_parameters_rule(Parser *p)
         )
         {
             D(fprintf(stderr, "%*c+ invalid_parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "slash_no_default? param_no_default* invalid_parameters_helper param_no_default"));
-            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "parameter without a default follows parameter with a default" );
+            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "positional parameter without a default follows parameter with a default" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 p->level--;
@@ -22078,7 +22078,7 @@ invalid_lambda_parameters_rule(Parser *p)
         )
         {
             D(fprintf(stderr, "%*c+ invalid_lambda_parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_slash_no_default? lambda_param_no_default* invalid_lambda_parameters_helper lambda_param_no_default"));
-            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "parameter without a default follows parameter with a default" );
+            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "positional parameter without a default follows parameter with a default" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 p->level--;