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This changes rust_get_disr_info to use std::string in one more spot,
avoiding a memory leak.
2016-11-12 Tom Tromey <tom@tromey.com>
* rust-lang.c (rust_get_disr_info): Use std::string in one more
spot.
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Nowadays, we pass both val and return value of
value_contents_for_printing (val) to la_val_print. The latter is
unnecessary. This patch removes the second parameter of la_val_print,
and get valaddr in each language's implementation by calling
value_contents_for_printing. Since value_contents_for_printing calls
value_fetch_lazy, I also make VAL non-const.
Note that
- I don't clean up the valaddr usages in each language's routines,
- I don't remove valaddr from apply_ext_lang_val_pretty_printer, and
extension language ops apply_val_pretty_printer.
They can be done in followup patches.
gdb:
2016-11-08 Yao Qi <yao.qi@linaro.org>
* ada-lang.h (ada_val_print): Remove second parameter. Remove
const from "struct value *".
* ada-valprint.c (print_field_values): Remove const from
"struct value *".
(val_print_packed_array_elements): Likewise.
(print_variant_part): Likewise.
(ada_val_print_string): Likewise.
(ada_val_print_gnat_array): Likewise.
(ada_val_print_ptr): Likewise.
(ada_val_print_num): Likewise.
(ada_val_print_enum): Likewise.
(ada_val_print_flt): Likewise.
(ada_val_print_union): Likewise.
(ada_val_print_struct_union): Likewise.
(ada_val_print_ref): Likewise.
(ada_val_print_1): Remove second parameter. Remove const from
"struct value *".
(ada_val_print): Likewise.
* c-lang.h (c_val_print): Likewise.
* c-valprint.c (c_val_print_array): Remove const from
"struct value *".
(c_val_print_ptr): Likewise.
(c_val_print_struct): Likewise.
(c_val_print_union): Likewise.
(c_val_print_int): Likewise.
(c_val_print_memberptr): Likewise.
(c_val_print): Remove second parameter. Remove const from
"struct value *". All callers updated.
* cp-valprint.c (cp_print_value): Remove const from
"struct value *".
(cp_print_value_fields): Likewise.
(c_val_print_value): Likewise.
* d-lang.h (d_val_print): Remove second parameter. Remove const
from "struct value *".
* d-valprint.c (dynamic_array_type): Likewise.
(d_val_print): Likewise.
* f-lang.h (f_val_print): Likewise.
* f-valprint.c (f_val_print): Likewise.
* go-lang.h (go_val_print): Likewise.
* go-valprint.c (print_go_string): Likewise.
(go_val_print): Likewise.
* language.c (unk_lang_val_print): Likewise.
* language.h (struct language_defn) <la_val_print>: Likewise.
Update comments.
(LA_VAL_PRINT): Remove.
* m2-lang.h (m2_val_print): Remove const from
"struct value *".
* m2-valprint.c (m2_print_array_contents): Likewise.
(m2_val_print): Likewise.
* p-lang.h (pascal_val_print): Remove second parameter. Remove
const from "struct value *".
(pascal_object_print_value_fields): Likewise.
* p-valprint.c (pascal_val_print): Likewise.
(pascal_object_print_value_fields): Likewise.
(pascal_object_print_value): Likewise.
* rust-lang.c (rust_get_disr_info): Likewise.
(val_print_struct): Likewise.
(rust_val_print): Likewise.
* valprint.c (generic_val_print_array): Likewise.
(generic_val_print_ptr): Likewise.
(generic_val_print_memberptr): Likewise.
(generic_val_print_ref): Likewise.
(generic_val_print_enum): Likewise.
(generic_val_print_flags): Likewise.
(generic_val_print_func): Likewise.
(generic_val_print_bool): Likewise.
(generic_val_print_int): Likewise.
(generic_val_print_char): Likewise.
(generic_val_print_float): Likewise.
(generic_val_print_decfloat): Likewise.
(generic_val_print_complex): Likewise.
(generic_val_print): Likewise.
(val_print): Likewise.
(common_val_print): Likewise.
(val_print_type_code_flags): Likewise.
(val_print_scalar_formatted): Likewise.
(val_print_array_elements): Likewise.
* valprint.h (val_print_array_elements): Update declaration.
(val_print_scalar_formatted): Likewise.
(generic_val_print): Likewise.
* value.h (val_print): Likewise.
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gdb/ChangeLog:
2016-11-08 Pedro Alves <palves@redhat.com>
Tom Tromey <tom@tromey.com>
* rust-lang.c (struct disr_info) <name>: Now a std::string.
(rust_get_disr_info): Use ui_file_as_string and adjust to use
std::string.
(rust_val_print): Adjust to use std::string.
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gdb:
2016-11-08 Yao Qi <yao.qi@linaro.org>
* rust-lang.c (val_print_struct): Fix indentation.
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2016-10-28 Manish Goregaokar <manish@mozilla.com>
gdb/ChangeLog:
* rust-lang.c (rust_union_is_untagged): Add function to
check if a union is an untagged unioni
(rust_val_print): Handle printing of untagged union values
(rust_print_type): Handle printing of untagged union types
(rust_evaluate_subexp): Handle evaluating field
access on untagged unions
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encoded enums
2016-10-27 Manish Goregaokar <manish@mozilla.com>
gdb/ChangeLog:
* rust-lang.c (rust_get_disr_info): Treat univariant enums
without discriminants as encoded enums with a real field
* rust-lang.c (rust_evaluate_subexp): Handle field access
on encoded struct-like enums
gdb/testsuite/ChangeLog:
* simple.rs: Add test for univariant enums without discriminants
and for encoded struct-like enums
* simple.exp: Add test expectations
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This patch changes some spots in rust-lang.c to use std::string or
std::vector, removing some cleanups.
2016-09-23 Tom Tromey <tom@tromey.com>
* rust-lang.c: Include <string> and <vector>.
(rust_evaluate_funcall): Use std::vector, std::string.
(rust_evaluate_subexp): Use std::string.
(rust_lookup_symbol_nonlocal): Use std::string.
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Many callers of init_float_type and arch_float_type still pass a NULL
floatformat. This commit changes those callers where the floatformat
that is supposed to be use is obvious. There are two categories where
this is the case:
- A number of built-in types are intended to match the platform ABI
floating-point types (i.e. types that use gdbarch_float_bit etc.).
Those places should use the platform ABI floating-point formats
defined via gdbarch_float_format etc.
- A number of language built-in types should simply use IEEE floating-
point formats, since the language actually defines that this is the
format that must be used to implement floating-point types for this
language. (This affects Java, Go, and Rust.) The same applies for
to the predefined "RS/6000" stabs floating-point built-in types.
gdb/ChangeLog:
* ada-lang.c (ada_language_arch_info): Use gdbarch-provided
platform ABI floating-point formats for built-in types.
* d-lang.c (build_d_types): Likewise.
* f-lang.c (build_fortran_types): Likewise.
* m2-lang.c (build_m2_types): Likewise.
* mdebugread.c (basic_type): Likewise.
* go-lang.c (build_go_types): Use IEEE floating-point formats
for language built-in types as mandanted by the language.
* jv-lang.c (build_java_types): Likewise.
* rust-lang.c (rust_language_arch_info): Likewise.
* stabsread.c (rs6000_builtin_type): Likewise.
Signed-off-by: Ulrich Weigand <ulrich.weigand@de.ibm.com>
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I learned recently that empty struct expressions, like "X{}", have been
promoted from experimental to stable in Rust. This patch changes the
Rust expression parser to allow this case.
New test case included.
Built and regtested on x86-64 Fedora 23, using Rust 1.11 beta.
2016-07-21 Tom Tromey <tom@tromey.com>
* rust-lang.c (rust_tuple_struct_type_p): Return false for empty
structs.
* rust-exp.y (struct_expr_list): Allow empty elements.
2016-07-21 Tom Tromey <tom@tromey.com>
* gdb.rust/simple.rs (main): Use empty struct expression.
* gdb.rust/simple.exp: Add tests for empty struct expression.
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This patch removes set-but-unused variables. This holds all the
removals I consider to be simple and relatively uncontroversial.
2016-07-14 Tom Tromey <tom@tromey.com>
* mips-tdep.c (micromips_scan_prologue): Remove "frame_addr".
(mips_o32_push_dummy_call): Remove "stack_used_p".
* aarch64-tdep.c (aarch64_record_data_proc_imm): Remove
"insn_bit28".
* rust-lang.c (rust_print_type): Remove "len".
* rust-exp.y (super_name): Remove "current_len".
* python/py-framefilter.c (py_print_type): Remove "type".
* mdebugread.c (parse_partial_symbols): Remove
"past_first_source_file".
<N_SO>: Remove "valu", "first_so_symnum", "prev_textlow_not_set".
* m2-valprint.c (m2_print_unbounded_array): Remove
"content_type".
(m2_val_print): Remove "i".
* linespec.c (unexpected_linespec_error): Remove "cleanup".
* f-valprint.c (f_val_print): Remove "i".
* elfread.c (elf_symtab_read): Remove "offset".
* dwarf2-frame.c (dwarf2_fetch_cfa_info): Remove "addr_size".
* jit.c (jit_dealloc_cache): Remove "i" and "frame_arch".
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This will be useful for dealing with vectors; regardless of our final solution
for the Index trait.
2016-07-06 Manish Goregaokar <manish@mozilla.com>
gdb/ChangeLog:
* rust-lang.c (rust_subscript): Allow subscripting pointers
gdb/testsuite/ChangeLog:
* simple.rs: Add test for raw pointer subscripting
* simple.exp: Add test expectations
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Building gdb with --enable-build-with-cxx=no trips on a warning:
../../binutils-gdb/gdb/rust-lang.c:173:15: error: saveptr may be used
uninitialized in this function [-Werror=maybe-uninitialized]
ret.name = concat (TYPE_NAME (type), "::", token, (char *) NULL);
The problem is that gcc doesn't understand that "tail" can never be
NULL in the call to strtok_r:
name = xstrdup (TYPE_FIELD_NAME (type, 0));
cleanup = make_cleanup (xfree, name);
tail = name + strlen (RUST_ENUM_PREFIX);
...
for (token = strtok_r (tail, "$", &saveptr);
Fix this by always initializing saveptr.
2016-06-29 Manish Goregaokar <manish@mozilla.com>
gdb/ChangeLog:
* rust-lang.c (rust_get_disr_info): Initialize saveptr to NULL.
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strsep doesn't exist on Windows.
2016-06-29 Manish Goregaokar <manish@mozilla.com>
gdb/ChangeLog:
* rust-lang.c (rust_get_disr_info): Use strtok_r instead of strsep.
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Rust prefers to not specify the return type of a function when it is unit
(`()`). The type is also referred to as "void" in debuginfo but not in actual
usage, so we should never be printing "void" when the language is Rust.
2016-06-27 Manish Goregaokar <manish@mozilla.com>
gdb/ChangeLog:
* rust-lang.c (rust_print_type): Print unit types as "()"
* rust-lang.c (rust_print_type): Omit return type for functions
returning unit
gdb/testsuite/ChangeLog:
* gdb.rust/simple.rs: Add test for returning unit in a function
* gdb.rust/simple.exp: Add expectation for functions returning unit
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This fixes up a few formatting nits in rust-lang.c.
Built and regtested on x86-64 Fedora 23.
2016-06-25 Tom Tromey <tom@tromey.com>
* rust-lang.c (rust_get_disr_info, rust_print_type): Fix
formatting.
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gdb/ChangeLog:
2016-06-25 Manish Goregaokar <manish@mozilla.com>
PR gdb/20239
* rust-lang.c (rust_get_disr_info): Correctly interpret
NonZero-optimized enums of arbitrary depth.
(rust_print_type): Correctly print NonZero-optimized
enums.
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This patch moves most of the demangling logic out of
symbol_find_demangled_name into the various language_defn objects.
The simplest way to do this seemed to be to add a new method to
language_defn. This is shame given the existing la_demangle, but
given Ada's unusual needs, and the differing demangling options
between languages, la_demangle didn't seem to fit.
In order to make this work, I made enum language order-sensitive.
This helps preserve the current ordering of demangling operations.
2016-06-23 Tom Tromey <tom@tromey.com>
* symtab.c (symbol_find_demangled_name): Loop over languages and
use language_sniff_from_mangled_name.
* rust-lang.c (rust_sniff_from_mangled_name): New function.
(rust_language_defn): Update.
* p-lang.c (pascal_language_defn): Update.
* opencl-lang.c (opencl_language_defn): Update.
* objc-lang.c (objc_sniff_from_mangled_name): New function.
(objc_language_defn): Update.
* m2-lang.c (m2_language_defn): Update.
* language.h (struct language_defn) <la_sniff_from_mangled_name>: New
field.
(language_sniff_from_mangled_name): Declare.
* language.c (language_sniff_from_mangled_name): New function.
(unknown_language_defn, auto_language_defn, local_language_defn):
Update.
* jv-lang.c (java_sniff_from_mangled_name): New function.
(java_language_defn): Use it.
* go-lang.c (go_sniff_from_mangled_name): New function.
(go_language_defn): Use it.
* f-lang.c (f_language_defn): Update.
* defs.h (enum language): Reorder.
* d-lang.c (d_sniff_from_mangled_name): New function.
(d_language_defn): Use it.
* cp-support.h (gdb_sniff_from_mangled_name): Declare.
* cp-support.c (gdb_sniff_from_mangled_name): New function.
* c-lang.c (c_language_defn, cplus_language_defn)
(asm_language_defn, minimal_language_defn): Update.
* ada-lang.c (ada_sniff_from_mangled_name): New function.
(ada_language_defn): Use it.
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This moves filename extensions from a function in symfile.c out to
each language_defn. I think this is an improvement because it means
less digging around when writing a new language port.
2016-06-23 Tom Tromey <tom@tromey.com>
* ada-lang.c (ada_extensions): New array.
(ada_language_defn): Use it.
* c-lang.c (c_extensions): New array.
(c_language_defn): Use it.
(cplus_extensions): New array.
(cplus_language_defn): Use it.
(asm_extensions): New array.
(asm_language_defn): Use it.
(minimal_language_defn): Update.
* d-lang.c (d_extensions): New array.
(d_language_defn): Use it.
* f-lang.c (f_extensions): New array.
(f_language_defn): Use it.
* go-lang.c (go_language_defn): Update.
* jv-lang.c (java_extensions): New array.
(java_language_defn): Use it.
* language.c (add_language): Call add_filename_language.
(unknown_language_defn, auto_language_defn, local_language_defn):
Update.
* language.h (struct language_defn) <la_filename_extensions>: New
field.
* m2-lang.c (m2_language_defn): Update.
* objc-lang.c (objc_extensions): New array.
(objc_language_defn): Use it.
* opencl-lang.c (opencl_language_defn): Update.
* p-lang.c (p_extensions): New array.
(pascal_language_defn): Use it.
* rust-lang.c (rust_extensions): New array.
(rust_language_defn): Use it.
* symfile.c (add_filename_language): No longer static. Make "ext"
const.
(init_filename_language_table): Remove.
(_initialize_symfile): Update.
* symfile.h (add_filename_language): Declare.
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2016-05-18 Tom Tromey <tom@tromey.com>
* rust-lang.c (rust_subscript): Initialize "high".
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This renames OP_F90_RANGE to OP_RANGE, and similarly renames the
f90_range_type enum.
2016-05-17 Tom Tromey <tom@tromey.com>
* std-operator.def (OP_RANGE): Rename from OP_F90_RANGE.
* rust-lang.c: Don't include f-lang.h.
(rust_range, rust_compute_range, rust_subscript)
(rust_evaluate_subexp): Update.
* rust-exp.y: Don't include f-lang.h.
(ast_range, convert_ast_to_expression): Update.
* parse.c (operator_length_standard): Update.
* f-lang.h (enum f90_range_type): Move to expression.h.
* f-exp.y: Use OP_RANGE.
* expression.h (enum range_type): New enum; renamed from
f90_range_type.
* expprint.c: Don't include f-lang.h.
(print_subexp_standard, dump_subexp_body_standard): Use OP_RANGE.
* eval.c (value_f90_subarray, evaluate_subexp_standard): Update.
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This patch adds support for the Rust language.
2016-05-17 Tom Tromey <tom@tromey.com>
Manish Goregaokar <manishsmail@gmail.com>
* symtab.c (symbol_find_demangled_name): Handle Rust.
* symfile.c (init_filename_language_table): Treat ".rs" as Rust.
* std-operator.def (STRUCTOP_ANONYMOUS, OP_RUST_ARRAY): New
constants.
* rust-lang.h: New file.
* rust-lang.c: New file.
* rust-exp.y: New file.
* dwarf2read.c (read_file_scope): Add Rust producer sniffing.
(dwarf2_compute_name, read_func_scope, read_structure_type)
(read_base_type, read_subrange_type, set_cu_language)
(new_symbol_full, determine_prefix): Handle Rust.
* defs.h (enum language) <language_rust>: New constant.
* Makefile.in (SFILES): Add rust-exp.y, rust-lang.c.
(COMMON_OBS): Add rust-exp.o, rust-lang.o.
2016-05-17 Tom Tromey <tom@tromey.com>
* gdb.base/default.exp (set language): Add rust.
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