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Bundle up various global variables within gensupport.c into a
class rtx_reader, with a view towards making it easier to run the
code more than once in-process.
gcc/ChangeLog:
* genconstants.c (main): Introduce noop_reader and convert call
to read_md_files to a method call.
* genenums.c (main): Likewise.
* genmddeps.c (main): Likewise.
* genpreds.c (write_tm_constrs_h): Replace use of "in_fname" with
rtx_reader_ptr->get_top_level_filename ().
(write_tm_preds_h): Likewise.
(write_insn_preds_c): Likewise.
* gensupport.c (class gen_reader): New subclass of rtx_reader.
(rtx_handle_directive): Convert to...
(gen_reader::handle_unknown_directive): ...this.
(init_rtx_reader_args_cb): Convert return type from bool to
rtx_reader *. Create a gen_reader instance, using it for the
call to read_md_files. Return it if no errors occur.
(init_rtx_reader_args): Convert return type from bool to
rtx_reader *.
* gensupport.h (init_rtx_reader_args_cb): Likewise.
(init_rtx_reader_args_cb): Likewise.
* read-md.c (struct file_name_list): Move to class rtx_reader.
(read_md_file): Delete in favor of rtx_reader::m_read_md_file.
(read_md_filename): Delete in favor of
rtx_reader::m_read_md_filename.
(read_md_lineno): Delete in favor of rtx_reader::m_read_md_lineno.
(in_fname): Delete in favor of rtx_reader::m_toplevel_fname.
(base_dir): Delete in favor of rtx_reader::m_base_dir.
(first_dir_md_include): Delete in favor of
rtx_reader::m_first_dir_md_include.
(last_dir_md_include_ptr): Delete in favor of
rtx_reader::m_last_dir_md_include_ptr.
(max_include_len): Delete.
(rtx_reader_ptr): New.
(fatal_with_file_and_line): Use get_filename and get_lineno
accessors of rtx_reader_ptr.
(require_char_ws): Likewise.
(rtx_reader::read_char): New method, based on ::read_char.
(rtx_reader::unread_char): New method, based on ::unread_char.
(read_escape): Use get_filename and get_lineno accessors of
rtx_reader_ptr.
(read_braced_string): Use get_lineno accessor of rtx_reader_ptr.
(read_string): Use get_filename and get_lineno accessors of
rtx_reader_ptr.
(rtx_reader::rtx_reader): New ctor.
(rtx_reader::~rtx_reader): New dtor.
(handle_include): Convert from a function to...
(rtx_reader::handle_include): ...this method, converting
handle_directive from a callback to a virtual function.
(handle_file): Likewise, converting to...
(rtx_reader::handle_file): ...this method.
(handle_toplevel_file): Likewise, converting to...
(rtx_reader::handle_toplevel_file): ...this method.
(rtx_reader::get_current_location): New method.
(parse_include): Convert from a function to...
(rtx_reader::add_include_path): ...this method, dropping redundant
update to unused max_include_len.
(read_md_files): Convert from a function to...
(rtx_reader::read_md_files): ...this method, converting
handle_directive from a callback to a virtual function.
(noop_reader::handle_unknown_directive): New method.
* read-md.h (directive_handler_t): Delete this typedef.
(in_fname): Delete.
(read_md_file): Delete.
(read_md_lineno): Delete.
(read_md_filename): Delete.
(class rtx_reader): New class.
(rtx_reader_ptr): New decl.
(class noop_reader): New subclass of rtx_reader.
(read_char): Reimplement in terms of rtx_reader::read_char.
(unread_char): Reimplement in terms of rtx_reader::unread_char.
(read_md_files): Delete.
* read-rtl.c (read_rtx_code): Update for deletion of globals
read_md_filename and read_md_lineno.
From-SVN: r240333
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gcc/ChangeLog:
* genattr-common.c (main): Convert argv from
char ** to const char **.
* genattr.c (main): Likewise.
* genattrtab.c (main): Likewise.
* genautomata.c (initiate_automaton_gen): Likewise.
(main): Likewise.
* gencodes.c (main): Likewise.
* genconditions.c (main): Likewise.
* genconfig.c (main): Likewise.
* genconstants.c (main): Likewise.
* genemit.c (main): Likewise.
* genenums.c (main): Likewise.
* genextract.c (main): Likewise.
* genflags.c (main): Likewise.
* genmddeps.c (main): Likewise.
* genopinit.c (main): Likewise.
* genoutput.c (main): Likewise.
* genpeep.c (main): Likewise.
* genpreds.c (main): Likewise.
* genrecog.c (main): Likewise.
* gensupport.c (init_rtx_reader_args_cb): Likewise.
(init_rtx_reader_args): Likewise.
* gensupport.h (init_rtx_reader_args_cb): Likewise.
(init_rtx_reader_args): Likewise.
* gentarget-def.c (main): Likewise.
* read-md.c (read_md_files): Likewise.
* read-md.h (read_md_files): Likewise.
From-SVN: r235976
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From-SVN: r232055
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From-SVN: r219188
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From-SVN: r206289
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From-SVN: r195098
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160669)
PR bootstrap/44512
* genenums.c (main): Output include of insn-constants.h
* Makefile.in (insn-enums.o): Depend on insn-constants.h.
From-SVN: r161853
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gcc/
* doc/md.texi: Document the "unspec" and "unspecv" enum names.
* Makefile.in (OBJS-common): Include insn-enums.o.
(insn-enums.o): New rule.
(simple_generated_c): Add insn-enums.c.
(build/genenums.o): New rule.
(genprogmd): Add "enums".
* genconstants.c (print_enum_type): Declare a C string array
for each enum.
* genenums.c: New file.
* print-rtl.c (print_rtx): If defined, use the "unspecv" enum
for UNSPEC_VOLATILE. If defined, use the "unspec" enum for both
UNSPEC and (as a fallback) for UNSPEC_VOLATILE.
From-SVN: r160582
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