https://github.com/python/cpython/commit/740050af0493030b1f6ebf0b9ac39a356e2... commit: 740050af0493030b1f6ebf0b9ac39a356e2e74b6 branch: 3.10 author: Dong-hee Na <donghee.na@python.org> committer: corona10 <donghee.na92@gmail.com> date: 2023-01-31T23:42:22+09:00 summary: [3.10] gh-101400: Fix incorrect lineno in exception message on contin… (gh-101448) files: A Misc/NEWS.d/next/Core and Builtins/2023-01-30-08-59-47.gh-issue-101400.Di_ZFm.rst M Lib/test/test_syntax.py M Python/compile.c diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py index cd09d1eabdf5..5ab3ec6c7762 100644 --- a/Lib/test/test_syntax.py +++ b/Lib/test/test_syntax.py @@ -1410,9 +1410,6 @@ def error2(): """ self._check_error(source, "parameter and nonlocal", lineno=3) - def test_break_outside_loop(self): - self._check_error("break", "outside loop") - def test_yield_outside_function(self): self._check_error("if 0: yield", "outside function") self._check_error("if 0: yield\nelse: x=1", "outside function") @@ -1441,20 +1438,27 @@ def test_return_outside_function(self): "outside function") def test_break_outside_loop(self): - self._check_error("if 0: break", "outside loop") - self._check_error("if 0: break\nelse: x=1", "outside loop") - self._check_error("if 1: pass\nelse: break", "outside loop") - self._check_error("class C:\n if 0: break", "outside loop") + msg = "outside loop" + self._check_error("break", msg, lineno=1) + self._check_error("if 0: break", msg, lineno=1) + self._check_error("if 0: break\nelse: x=1", msg, lineno=1) + self._check_error("if 1: pass\nelse: break", msg, lineno=2) + self._check_error("class C:\n if 0: break", msg, lineno=2) self._check_error("class C:\n if 1: pass\n else: break", - "outside loop") + msg, lineno=3) + self._check_error("with object() as obj:\n break", + msg, lineno=2) def test_continue_outside_loop(self): - self._check_error("if 0: continue", "not properly in loop") - self._check_error("if 0: continue\nelse: x=1", "not properly in loop") - self._check_error("if 1: pass\nelse: continue", "not properly in loop") - self._check_error("class C:\n if 0: continue", "not properly in loop") + msg = "not properly in loop" + self._check_error("if 0: continue", msg, lineno=1) + self._check_error("if 0: continue\nelse: x=1", msg, lineno=1) + self._check_error("if 1: pass\nelse: continue", msg, lineno=2) + self._check_error("class C:\n if 0: continue", msg, lineno=2) self._check_error("class C:\n if 1: pass\n else: continue", - "not properly in loop") + msg, lineno=3) + self._check_error("with object() as obj:\n continue", + msg, lineno=2) def test_unexpected_indent(self): self._check_error("foo()\n bar()\n", "unexpected indent", diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-01-30-08-59-47.gh-issue-101400.Di_ZFm.rst b/Misc/NEWS.d/next/Core and Builtins/2023-01-30-08-59-47.gh-issue-101400.Di_ZFm.rst new file mode 100644 index 000000000000..f3dd783c01e7 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2023-01-30-08-59-47.gh-issue-101400.Di_ZFm.rst @@ -0,0 +1,2 @@ +Fix wrong lineno in exception message on :keyword:`continue` or +:keyword:`break` which are not in a loop. Patch by Dong-hee Na. diff --git a/Python/compile.c b/Python/compile.c index e5438f7d007e..80caa8fab1f7 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -3030,12 +3030,14 @@ static int compiler_break(struct compiler *c) { struct fblockinfo *loop = NULL; + int origin_loc = c->u->u_lineno; /* Emit instruction with line number */ ADDOP(c, NOP); if (!compiler_unwind_fblock_stack(c, 0, &loop)) { return 0; } if (loop == NULL) { + c->u->u_lineno = origin_loc; return compiler_error(c, "'break' outside loop"); } if (!compiler_unwind_fblock(c, loop, 0)) { @@ -3050,12 +3052,14 @@ static int compiler_continue(struct compiler *c) { struct fblockinfo *loop = NULL; + int origin_loc = c->u->u_lineno; /* Emit instruction with line number */ ADDOP(c, NOP); if (!compiler_unwind_fblock_stack(c, 0, &loop)) { return 0; } if (loop == NULL) { + c->u->u_lineno = origin_loc; return compiler_error(c, "'continue' not properly in loop"); } ADDOP_JUMP(c, JUMP_ABSOLUTE, loop->fb_block);