From c051d55ddb29c4ff7b1fcc65971535f78369ffc0 Mon Sep 17 00:00:00 2001 From: Irit Katriel <1055913+iritkatriel@users.noreply.github.com> Date: Tue, 18 Oct 2022 17:18:38 +0100 Subject: gh-98390: Fix source locations of boolean sub-expressions (GH-98396) --- Lib/test/test_compile.py | 26 ++++++++++++++++++++++ .../2022-10-18-14-11-32.gh-issue-98390.H1sxJu.rst | 1 + Python/compile.c | 2 +- 3 files changed, 28 insertions(+), 1 deletion(-) create mode 100644 Misc/NEWS.d/next/Core and Builtins/2022-10-18-14-11-32.gh-issue-98390.H1sxJu.rst diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py index f5c0c76..a5434d6 100644 --- a/Lib/test/test_compile.py +++ b/Lib/test/test_compile.py @@ -1207,6 +1207,32 @@ f( self.assertOpcodeSourcePositionIs(compiled_code, 'CALL', line=1, end_line=3, column=0, end_column=1) + def test_multiline_boolean_expression(self): + snippet = """\ +if (a or + (b and not c) or + not ( + d > 0)): + x = 42 +""" + + compiled_code, _ = self.check_positions_against_ast(snippet) + # jump if a is true: + self.assertOpcodeSourcePositionIs(compiled_code, 'POP_JUMP_IF_TRUE', + line=1, end_line=1, column=4, end_column=5, occurrence=1) + # jump if b is false: + self.assertOpcodeSourcePositionIs(compiled_code, 'POP_JUMP_IF_FALSE', + line=2, end_line=2, column=5, end_column=6, occurrence=1) + # jump if c is false: + self.assertOpcodeSourcePositionIs(compiled_code, 'POP_JUMP_IF_FALSE', + line=2, end_line=2, column=15, end_column=16, occurrence=2) + # compare d and 0 + self.assertOpcodeSourcePositionIs(compiled_code, 'COMPARE_OP', + line=4, end_line=4, column=8, end_column=13, occurrence=1) + # jump if comparison it True + self.assertOpcodeSourcePositionIs(compiled_code, 'POP_JUMP_IF_TRUE', + line=4, end_line=4, column=8, end_column=13, occurrence=2) + def test_very_long_line_end_offset(self): # Make sure we get the correct column offset for offsets # too large to store in a byte. diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-10-18-14-11-32.gh-issue-98390.H1sxJu.rst b/Misc/NEWS.d/next/Core and Builtins/2022-10-18-14-11-32.gh-issue-98390.H1sxJu.rst new file mode 100644 index 0000000..6dac72b --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2022-10-18-14-11-32.gh-issue-98390.H1sxJu.rst @@ -0,0 +1 @@ +Fix location of sub-expressions of boolean expressions, by reducing their scope to that of the sub-expression. diff --git a/Python/compile.c b/Python/compile.c index 5fbf6fe..4d5b41a 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -2953,7 +2953,7 @@ compiler_jump_if(struct compiler *c, location *ploc, /* general implementation */ VISIT(c, expr, e); - ADDOP_JUMP(c, *ploc, cond ? POP_JUMP_IF_TRUE : POP_JUMP_IF_FALSE, next); + ADDOP_JUMP(c, LOC(e), cond ? POP_JUMP_IF_TRUE : POP_JUMP_IF_FALSE, next); return 1; } -- cgit v0.12