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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 20/27] decodetree: Diagnose empty pattern group
Date: Tue, 30 May 2023 11:59:42 -0700	[thread overview]
Message-ID: <20230530185949.410208-21-richard.henderson@linaro.org> (raw)
In-Reply-To: <20230530185949.410208-1-richard.henderson@linaro.org>

Test err_pattern_group_empty.decode failed with exception:

Traceback (most recent call last):
  File "./scripts/decodetree.py", line 1424, in <module> main()
  File "./scripts/decodetree.py", line 1342, in main toppat.build_tree()
  File "./scripts/decodetree.py", line 627, in build_tree
    self.tree = self.__build_tree(self.pats, self.fixedbits,
  File "./scripts/decodetree.py", line 607, in __build_tree
    fb = i.fixedbits & innermask
TypeError: unsupported operand type(s) for &: 'NoneType' and 'int'

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 scripts/decodetree.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/decodetree.py b/scripts/decodetree.py
index e2640cc79b..e4ef0a03cc 100644
--- a/scripts/decodetree.py
+++ b/scripts/decodetree.py
@@ -506,6 +506,12 @@ def output_code(self, i, extracted, outerbits, outermask):
                 output(ind, '}\n')
             else:
                 p.output_code(i, extracted, p.fixedbits, p.fixedmask)
+
+    def build_tree(self):
+        if not self.pats:
+            error_with_file(self.file, self.lineno, 'empty pattern group')
+        super().build_tree()
+
 #end IncMultiPattern
 
 
-- 
2.34.1



  parent reply	other threads:[~2023-05-30 19:06 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-30 18:59 [PULL 00/27] tcg patch queue Richard Henderson
2023-05-30 18:59 ` [PULL 01/27] tcg: Fix register move type in tcg_out_ld_helper_ret Richard Henderson
2023-05-30 18:59 ` [PULL 02/27] accel/tcg: Fix check for page writeability in load_atomic16_or_exit Richard Henderson
2023-05-30 18:59 ` [PULL 03/27] meson: Split test for __int128_t type from __int128_t arithmetic Richard Henderson
2023-05-30 18:59 ` [PULL 04/27] qemu/atomic128: Add x86_64 atomic128-ldst.h Richard Henderson
2023-05-30 18:59 ` [PULL 05/27] tcg/i386: Support 128-bit load/store Richard Henderson
2023-05-30 18:59 ` [PULL 06/27] tcg/aarch64: Rename temporaries Richard Henderson
2023-05-30 18:59 ` [PULL 07/27] tcg/aarch64: Reserve TCG_REG_TMP1, TCG_REG_TMP2 Richard Henderson
2023-05-30 18:59 ` [PULL 08/27] tcg/aarch64: Simplify constraints on qemu_ld/st Richard Henderson
2023-05-30 18:59 ` [PULL 09/27] tcg/aarch64: Support 128-bit load/store Richard Henderson
2023-05-30 18:59 ` [PULL 10/27] tcg/ppc: " Richard Henderson
2023-05-30 18:59 ` [PULL 11/27] tcg/s390x: " Richard Henderson
2023-07-10  8:58   ` TCG broken on s390x hosts (was: [PULL 11/27] tcg/s390x: Support 128-bit load/store) Thomas Huth
2023-07-10  9:31     ` Richard Henderson
2023-07-10 11:10       ` Thomas Huth
2023-05-30 18:59 ` [PULL 12/27] accel/tcg: Extract load_atom_extract_al16_or_al8 to host header Richard Henderson
2023-05-30 18:59 ` [PULL 13/27] accel/tcg: Extract store_atom_insert_al16 " Richard Henderson
2023-05-30 18:59 ` [PULL 14/27] accel/tcg: Add x86_64 load_atom_extract_al16_or_al8 Richard Henderson
2023-05-30 18:59 ` [PULL 15/27] accel/tcg: Add aarch64 lse2 load_atom_extract_al16_or_al8 Richard Henderson
2023-05-30 18:59 ` [PULL 16/27] accel/tcg: Add aarch64 store_atom_insert_al16 Richard Henderson
2023-05-30 18:59 ` [PULL 17/27] tcg: Remove TCG_TARGET_TLB_DISPLACEMENT_BITS Richard Henderson
2023-05-30 18:59 ` [PULL 18/27] decodetree: Add --test-for-error Richard Henderson
2023-05-30 18:59 ` [PULL 19/27] decodetree: Fix recursion in prop_format and build_tree Richard Henderson
2023-05-30 18:59 ` Richard Henderson [this message]
2023-05-30 18:59 ` [PULL 21/27] decodetree: Do not remove output_file from /dev Richard Henderson
2023-05-30 18:59 ` [PULL 22/27] tests/decode: Convert tests to meson Richard Henderson
2023-05-30 18:59 ` [PULL 23/27] docs: Document decodetree named field syntax Richard Henderson
2023-05-30 18:59 ` [PULL 24/27] scripts/decodetree: Pass lvalue-formatter function to str_extract() Richard Henderson
2023-05-30 18:59 ` [PULL 25/27] scripts/decodetree: Implement a topological sort Richard Henderson
2023-05-30 18:59 ` [PULL 26/27] scripts/decodetree: Implement named field support Richard Henderson
2023-05-30 18:59 ` [PULL 27/27] tests/decode: Add tests for various named-field cases Richard Henderson
2023-05-31  1:08 ` [PULL 00/27] tcg patch queue Richard Henderson
2023-05-31 16:12   ` Thomas Huth
     [not found]     ` <227e27e0-4035-8e17-2259-3098340f716e@linaro.org>
2023-05-31 22:20       ` Richard Henderson
2023-06-01 10:52     ` Mark Cave-Ayland

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