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2016-11-08Remove parameter valaddr from la_val_printYao Qi1-14/+14
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.
2016-11-08Use ui_file_as_string in gdb/rust-lang.cPedro Alves1-37/+20
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.
2016-11-08Fix indentationYao Qi1-3/+3
gdb: 2016-11-08 Yao Qi <yao.qi@linaro.org> * rust-lang.c (val_print_struct): Fix indentation.
2016-11-03Add support for untagged unions in RustManish Goregaokar1-118/+193
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
2016-11-03Fix handling of discriminantless univariant enums in Rust; fix bug with ↵Manish Goregaokar1-1/+15
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
2016-09-23Use std::string, std::vector in rust-lang.cTom Tromey1-22/+13
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.
2016-09-06Add missing format for built-in floating-point typesUlrich Weigand1-2/+4
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>
2016-07-21Allow empty struct expressions in RustTom Tromey1-1/+4
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.
2016-07-14Remove unused variablesTom Tromey1-1/+0
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".
2016-07-06Allow subscripting raw pointersManish Goregaokar1-0/+6
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
2016-06-29Initialize strtok_r's saveptr to NULLManish Goregaokar1-1/+1
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.
2016-06-29Use strtok_r instead of strsep in rust_get_disr_infoManish Goregaokar1-3/+5
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.
2016-06-27Print void types correctly in RustManish Goregaokar1-4/+18
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
2016-06-25Fix formatting in rust-lang.cTom Tromey1-22/+20
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.
2016-06-25Make evaluation and type-printing of all NonZero optimized enums workManish Goregaokar1-17/+55
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.
2016-06-23Move logic out of symbol_find_demangled_nameTom Tromey1-0/+13
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.
2016-06-23Move filename extensions into language_defnTom Tromey1-0/+6
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.
2016-05-18Fix build failure with GCC 4.1.Tom Tromey1-1/+2
2016-05-18 Tom Tromey <tom@tromey.com> * rust-lang.c (rust_subscript): Initialize "high".
2016-05-17Rename OP_F90_RANGE to OP_RANGE.Tom Tromey1-7/+6
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.
2016-05-17Add support for the Rust languageTom Tromey1-0/+2050
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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