* toplev.c (set_float_handler): Make static.
* toplev.h: Don't prototype set_float_handler.
* simplify-rtx.c: Don't include setjmp.h.
(simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
New functions.
(simplify_unary_operation, simplify_binary_operation): Use them,
via do_float_handler.
* fold-const.c: Don't include setjmp.h.
(exact_real_inverse_1): New function.
(exact_real_inverse): Use it, via do_float_handler.
* varasm.c: Don't include setjmp.h.
(assemble_real_1): New function.
(assemble_real): Use it, via do_float_handler.
Call internal_error if we get a trap here.
* c-parse.in, cse.c, cselib.c, ch/lex.c, config/i386/i386.c,
config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
* java/lex.h: Don't include setjmp.h. Don't define
SET_FLOAT_HANDLER or prototype set_float_handler.
From-SVN: r44815
* Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
are also on line-map.h.
* cppfiles.c (stack_include_file): Update.
* cpphash.h (struct cpp_buffer): New member return_at_eof.
(_cpp_pop_buffer): New.
* cppinit.c (cpp_destroy, cpp_finish): Update.
(do_includes): Mark each buffer to return at EOF.
* cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
return as requested.
* cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
(cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
* cpplib.h (cpp_pop_buffer): Remove.
(cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
* cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
buffers.
* cppmain.c (scan_buffer): Rename scan_translation_unit. No need
to pop buffers.
(do_preprocessing): Update.
* fix-header.c (read_scan_file): Update. No need to pop buffers.
* c-parse.in (_yylex): Similarly.
* scan-decls.c (scan_decls): Similarly.
* line-map.h: Update comments.
* cp/spew.c (read_token): No need to pop buffers.
* objc/Make-lang.in (objc-act.o): Update dependencies.
From-SVN: r44634
2001-08-01 Ziemowit Laski <zlaski@apple.com>
* c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
contextualizing Objective-C class name lookup by the lexer.
(typespec_reserved_nonattr): Disable ObjC class name lookup after
seeing a TYPESPEC.
(protocoldef): Add support for forward @protocol declarations.
(yylexname): Suppress ObjC class name lookup in certain contexts;
re-enable after lookup is complete.
(_yylex): Re-enable ObjC class name lookup when certain
punctuation marks are seen.
* objc/objc-act.c (check_protocol_recursively): New function used
for finding circular dependencies in protocols.
(objc_declare_protocols): New function for handling forward
@protocol declarations.
(receiver_is_class_object): Detect the case when 'self' is used
inside of a class method.
(build_message_expr): Issue a warning if class method is desired
but instance method is found instead.
(conforms_to_protocol): Streamline.
(objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
protocol Foo, even if 'Bar foo' does not.
(check_protocols): Streamline.
(start_protocol): Add checks for circular and duplicate protocol
definitions.
(encode_aggregate_within): For typedefs of structs, encode the
underlying struct.
* objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
(objc_declare_protocols): New prototype.
From-SVN: r44536
* c-parse.in (all_prefix_attributes): New variable.
(PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
(maybe_resetattrs): New production.
(c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
notype_initdcl, nested_function, notype_nested_function,
component_decl, components, components_notype,
component_declarator, component_notype_declarator,
absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
ivars, mydecl, myparm): Update. Avoid prefix attributes just
after a comma being applied to more than one declarator.
* doc/extend.texi (Attribute Syntax): Update. Remove
documentation of bugs that are no longer present.
testsuite:
* gcc.c-torture/compile/20010714-1.c, gcc.dg/format/attr-4.c: New
tests.
From-SVN: r44070
* c-common.c (decl_attributes): Take a pointer to the node to
which attributes are to be attached, and a flags argument.
* c-common.h (enum attribute_flags): New.
(decl_attributes): Update prototype.
* c-decl.c (start_decl, push_parm_decl, finish_struct,
finish_enum, start_function): Update calls to decl_attributes.
* c-parse.in (component_declarator, component_notype_declarator,
label): Update calls to decl_attributes.
cp:
* decl2.c (cplus_decl_attributes): Take a pointer to the node to
which attributes are to be attached, and a flags argument. Update
call to decl_attributes.
(grokfield): Update call to decl_attributes.
* class.c (finish_struct): Update call to cplus_decl_attributes.
* cp-tree.h (cplus_decl_attributes): Update prototype.
* decl.c (start_decl, grokdeclarator, start_function): Update
calls to decl_attributes and cplus_decl_attributes.
* friend.c (do_friend): Update call to cplus_decl_attributes.
* parse.y (parse_bitfield): Update call to cplus_decl_attributes.
From-SVN: r43995
* c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
enumerators.
(OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
* c-parse.in (OBJC_STRING): Kill.
(objc_string): Decompose to [objc_string] '@' STRING.
(reswords): Take the leading '@' off all the Objective C keywords.
(objc_rid_sans_at): Kill.
(init_reswords): Don't initialize it.
(yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
(_yylex): Kill reconsider label. Look ahead one token after
an '@'; if we get an identifier, check whether it's an
Objective C @-keyword. If so, return the keyword. Otherwise,
put back the token and return the '@' as a terminal.
* cpplib.c (lex_macro_node): Remove unnecessary check for
leading '@' on identifier. Clarify control flow and commentary.
From-SVN: r43674
* c-parse.in (array_declarator): New. Handle C99 constructs.
Don't restrict [*] declarators to C only.
(after_type_declarator, parm_declarator_starttypename,
parm_declarator_nostarttypename, notype_declarator,
direct_absdcl1): Use it.
* c-decl.c (build_array_declarator, set_array_declarator_type):
New functions. Warn that [*] isn't properly implemented; pedwarn
for [*] outside C99 mode if pedantic rather than giving a hard
error.
(grokdeclarator): Handle static and type qualifiers in parameter
array declarators.
* c-tree.h (build_array_declarator, set_array_declarator_type):
Declare.
* extend.texi (Attribute Syntax): Document attributes in parameter
array declarators.
testsuite:
* gcc.dg/c90-arraydecl-1.c, gcc.dg/c99-arraydecl-1.c: New tests.
From-SVN: r42574
* c-parse.in (parm_declarator): Split into
parm_declarator_starttypename and parm_declarator_nostarttypename.
(parm_declarator_starttypename, parm_declarator_nostarttypename):
New. Allow parenthesised sub-declarators which don't begin with a
TYPENAME. Fixes PR c/166.
testsuite:
* gcc.c-torture/compile/20010114-1.x: Remove.
From-SVN: r42315
* c-common.c (finish_label_expr): New function, lifted from
from cp/semantics.c.
* c-common.h (finish_label_expr, lookup_label): New prototypes.
* c-parse.in: Move 3 blocks of parser code into new functions.
* c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
* c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
(lookup_label): Remove.
From-SVN: r41959
* c-parse.in: Remove many shift/reduce conflicts. Update
%expect values.
(declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
typespec_reserved_nonattr, typespec_reserved_attr,
typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
structsp_nonattr, components_notype, component_notype_declarator,
absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
firstparm, setspecs_fp): New
(typed_declspecs, reserved_declspecs, typed_typespecs,
reserved_typespecquals, declmods, typespec, typespecqual_reserved,
typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
declmods_no_prefix_attr, nonempty_type_quals, structsp,
type_quals): Remove. Users updated.
(initdecls, notype_initdecls, after_type_declarator,
parm_declarator, notype_declarator, absdcl1, components, ivars):
Don't allow attributes at the start of a declarator; include them
in the production containing the declarator instead. Always
require type specifiers before trying to redeclare a typedef name.
(typename): Allow for attributes but warn that they are ignored.
(parmlist, firstparm, setspecs_fp): Include attributes in
parmlist; suck them off the parser stack in firstparm using
setspecs_fp.
testsuite:
* gcc.c-torture/compile/20010313-1.c: New test.
From-SVN: r41940
* c-parse.in (yylexname): New function, split out of _yylex.
(objc_rid_sans_at): New table.
(init_reswords): Initialize it.
(_yylex): Give labels clearer names. Handle CPP_ATSIGN by
retrieving the next token and checking it for significance as
an ObjC keyword or string constant.
* cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
* cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
* c-lex.c, c-parse.in, cppmacro.c, cpplex.c, cp/spew.c: Remove
references to CPP_OSTRING.
From-SVN: r40279
* stringpool.c (set_identifier): New function.
* tree.h: Prototype it.
* c-parse.in: Kill D_YES. If compiled for objc, call
save_and_forget_protocol_qualifiers from init_reswords.
* objc/objc-act.c (remember_protocol_qualifiers,
forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
vice versa.
(save_and_forget_protocol_qualifiers): New function.
* c-lex.h: Prototype save_and_forget_protocol_qualifiers.
From-SVN: r40170
* c-parse.in (structsp): Pedwarn when "enum foo" refers to an
incomplete type.
(typename): Call pending_xref_error after parsing typed_typespecs.
* c-decl.c (lookup_tag): Give error immediately rather than
leaving it pending if the tag of the wrong type is in the same
binding level.
(xref_tag): Don't pedwarn for forward declarations of enum types
here.
* gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
and enum tags.
testsuite:
* gcc.dg/c99-tag-1.c: New test.
From-SVN: r39372
* c-parse.in (cast_expr): Move compound literals from here ...
(primary): ... to here. Use standard terminology "compound
literal" instead of "constructor expression".
testsuite:
* gcc.c-torture/compile/20010124-1.c: New test.
From-SVN: r39246
* c-lex.c (init_c_lex): Use cpp_get_callbacks to set
callbacks.
* c-parse.in (finish_parse): Use cpp_errors.
(__yylex): Use return value of cpp_pop_buffer.
* cp/lex.c (finish_parse): Use cpp_errors.
* cp/spew.c (read_token): Use return value of cpp_pop_buffer.
From-SVN: r38982
* c-common.h (ASM_INPUT_P): New.
* c-parse.in (asm): Set it when needed.
* c-semantics.c (genrtl_asm_stmt): Test it instead of the
existance of an operand.
* cp/parse.y (asm): Set ASM_INPUT_P.
From-SVN: r38638
2000-12-28 Geoffrey Keating <geoffk@redhat.com>
* c-parse.in (select_or_iter_stmt): Use truthvalue_conversion
on the condition of a FOR statement, so that it gets typechecked
and optimised.
2000-12-28 Geoffrey Keating <geoffk@redhat.com>
* gcc.dg/noncompile/20001228-1.c: New test.
From-SVN: r38527
* c-typeck.c (build_asm_stmt): New, broken out from ...
(c_expand_asm_operands): ... here. Just do rtl expansion.
(c_expand_return): Return the new stmt node.
(c_start_case, do_case): Likewise.
* c-common.c (c_expand_expr_stmt): Likewise.
* c-common.h: Update declarations.
* c-tree.h: Likewise.
* c-semantics.c (build_stmt): Use STMT_LINENO not TREE_COMPLEXITY.
* c-parse.in (fndef): Set DECL_SOURCE_LINE to the open brace.
(nested_function, notype_nested_function): Likewise.
(compstmt): Return the compound statement not the binding level.
(lineno_labeled_stmt): Simplify.
(lineno_stmt, lineno_label): Set STMT_LINENO.
(stmt, label): Return the new stmt node.
From-SVN: r38402
* c-parse.in (unary_expr): Move VA_ARG from here ...
(primary): ... to here.
cp:
* parse.y (unary_expr): Move VA_ARG from here ...
(primary): ... to here.
testsuite:
* g++.old-deja/g++.other/vaarg4.C: New test.
* gcc.c-torture/compile/20001123-1.c: New test.
From-SVN: r37703
* cp/parse.y (yyparse_1): Rename the parser entry point.
* c-lex.c (orig_filename): New variable.
(init_c_lex): Set it. Move call to cpp_start_read ...
(yyparse): ... here. New function.
* c-parse.in (yyparse_1): Rename the parser entry point.
* c-tree.h: Declare it.
From-SVN: r37607
* stringpool.c: New file.
* ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
(ggc_alloc_string): Now in stringpool.o.
* ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
* ggc.h: Delete prototype of ggc_add_string_root. #define
ggc_add_string_root and ggc_mark_string to nothing. Prototype
init_stringpool and stringpool_statistics.
(ggc_alloc_string): Returns a const char *.
* tree.c (hash_table, do_identifier_warnings): Delete.
(init_obstacks): Don't initialize the identifier hash table.
(get_identifier, maybe_get_identifier, start_identifier_warnings,
set_identifier_size): Now in stringpool.c.
* tree.h (struct tree_string): Constify pointer field.
(approx_sqrt): Prototype.
* Makefile.in (stringpool.o): Add rule, mention in OBJS.
* toplev.c (approx_sqrt): New function.
(compile_file): Call stringpool_statistics if mem_report is on.
(main): Call init_stringpool.
* builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
(process_directive), c-typeck.c (constructor_asmspec, struct
initializer_stack, start_init), except.c (create_rethrow_ref),
stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
(built_in_filename), varasm,c (in_named_name,
assemble_static_space, struct constant_descriptor, struct
deferred_string, struct pool_constant, force_const_mem),
i386.c (pic_label_name, global_offset_table_name), rs6000.c
(rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
* c-common.c (combine_strings): Combine strings in scratch
buffer, then pass to build_string.
* optabs.c (init_libfuncs), profile.c (init_edge_profiler,
output_func_start_profiler), stmt.c (init_stmt), alpha.c
(alpha_need_linkage), arm.c (arm_encode_call_attribute),
i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
rs6000.c (rs6000_encode_section_info): Create string in
scratch buffer, then pass to ggc_alloc_string.
* stmt.c (expand_asm_operands): If we must adjust the
constraint strings, do so by creating a new one, not by
modifying the old one in place. Constify some char *s.
* config/pa/pa.c (hppa_encode_label): Drop unnecessary second
argument. Create string in scratch buffer, then pass to
ggc_alloc_string.
* config/pa/pa-protos.h: Update prototype.
* config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
hppa_encode_label takes only one argument.
* c-parse.in (if_prefix): Find the filename and line number at
$-2 and $-1 respectively.
* diagnostic.c (error_recursion): Add missing newline, use
fputs, translate string.
cp:
* lex.c (struct impl_files, internal_filename): Constify a char *.
java:
* jcf-parse.c (get_constant), parse.y (do_merge_string_cste):
Create string in scratch buffer, then pass to build_string.
From-SVN: r37514
* c-parse.in (stmts_and_decls): Deprecate use of label at end of
compound statement.
testsuite:
* gcc.dg/wtr-label-1.c, gcc.dg/990214-1.c: Add semicolons after
labels at end of compound statements.
From-SVN: r37435
* c-parse.in (initelt): Give appropriate pedantic warnings,
depending on flag_isoc99, for non-ISO syntax and for C99 syntax
outside C99 mode.
(designator): If pedantic, pedwarn for a designator specifying a
range of elements.
* c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
these cases.
* extend.texi: Document the C99 syntax as the preferred syntax,
and the pre-2.5 syntax as obsolete. Mention use of designator
lists for nested subobjects.
From-SVN: r37421
* splay-tree.c (splay_tree_predecessor): Fix typo in comment.
Convert the C front-end to use function-at-a-time mode.
* c-common.h: Include splay-tree.h.
(C_DECLARED_LABEL_FLAG): New macro.
(struct language_function): Add x_scope_stmt_stack and
x_function_name_declared_p.
(RECHAIN_STMTS): Move definition.
(lang_statment_code_p): Likewise.
(lang_expand_stmt): Likewise.
(lang_expand_decl_stmt): New variable.
(lang_expand_function_end): Likewise.
(current_scope_stmt_stack): New function.
(add_decl_stmt): Likewise.
(add_scope_stmt): Likewise.
(mark_stmt_tree): Likewise.
(struct c_lang_decl): New structure.
(DECL_SAVED_TREE): Define.
(c_mark_lang_decl): New function.
(c_expand_start_cond): Change prototype.
(c_finish_then): New function.
(c_finish_else): Likewise.
(current_function_name_declared): Remove.
(set_current_function_name_declared): Likewise.
(mark_c_language_function): Declare.
(case_compare): Likewise.
(c_add_case_label): Likewise.
(c_expand_expr): Likewise.
(c_safe_from_p): Likewise.
* c-common.c (lang_expand_function_end): New variable.
(struct if_elt): Add if_stmt.
(c_expand_start_cond): Add the if-statement to the statement-tree,
rather than generating RTL.
(c_finish_then): New function.
(c_expand_start_else): Don't generate RTL.
(c_finish_else): New function.
(c_expand_expr_stmt): Don't generate RTL.
(statement_code_p): Add SCOPE_STMT.
(case_compare): New function.
(c_add_case_label): Likewise.
(mark_stmt_tree): Likewise.
(c_mark_lang_decl): Likewise.
(mark_c_language_function): Likewise.
(c_expand_expr): Likewise.
(c_safe_from_p): Likewise.
* c-decl.c (c_stmt_tree): New variable
(c_scope_stmt_stack): Likewise.
(c_function_name_declared_p): Likewise.
(lang_expand_expr_stmt): Remove.
(poplevel): Don't call output_inline_function for nested
functions.
(pushdecl): Don't set DECL_CONTEXT for a local declaration of an
`extern' function.
(redeclaration_error_message): Change means of computing whether
or not a function is nested.
(lookup_label): Don't call label_rtx.
(init_decl_processing): Add more GC roots.
(start_decl): Add DECL_STMTs to the statement-tree, rather than
calling rest_of_decl_compilation.
(finish_decl): Don't call expand_decl.
(store_parm_decls): Begin the statement-tree, but don't generate
RTL.
(finish_function): Tie off the statement-tree. Call c_expand_body
if appropriate.
(c_expand_body): New function.
(push_c_function_context): Save more information.
(pop_c_function_contxt): Likewise.
(copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
(lang_mark_tree): Mark it.
(current_stmt_tree): Adjust.
(current_scope_stmt_stack): New function.
(do_case): Remove.
(set_current_name_declared): Likewise.
(c_begin_compound_stmt): Define.
(c_expand_decl_stmt): Likewise.
* c-lang.c: Include rtl.h and expr.h.
(lang_init): Set more language-specific hooks.
* c-lex.c: Include expr.h.
* c-parse.in: Changes throughout to add statements to the
statement-tree, rather than generating RTL after every statement.
* c-semantics.c (lang_expand_decl_stmt): Define.
(add_decl_stmt): New function.
(add_scope_stmt): Likewise.
(finish_stmt_tree): Tweak.
(genrtl_expr_stmt): Likewise.
(genrtl_decl_stmt): Handle local labels, and call
lang_expand_decl_stmt if required.
(genrtl_for_stmt): Fix line-number handling.
(genrtl_case_label): Handle cleanups.
(genrtl_asm_stmt): Don't call combine_strings.
(genrtl_compound_stmt): Simplify.
(expand_stmt): Handle SCOPE_STMTs.
* c-tree.h (struct lang_decl): New structure.
(C_DECLARED_LABEL_FLAG): Remove.
(c_begin_compound_stmt): Declare.
(c_expand_decl_stmt): Likewise.
(c_expand_start_case): Rename to c_start_case.
(c_finish_case): New function.
* c-typeck.c (start_init): Tweak setting of
constructor_incremental.
(c_expand_asm_operands): Tweak error-handling. Add to the
statement-tree.
(c_expand_return): Add to the statement-tree.
(c_expand_start_case): Rename to ...
(c_start_case): ... this.
(struct c_switch): New type.
(switch_stack): New variable.
(do_case): Simplify.
(c_finish_case): New function.
* dependence.c: Include expr.h.
(enum dependence_type): Change spelling of enumerals.
(check_node_dependence): Adjust.
* expr.h (lang_safe_from_p): Declare.
(safe_from_p): Likewise.
* expr.c (lang_safe_from_p): New variable.
(safe_from_p): Give it external linkage. Use lang_safe_from_p.
* stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
* toplev.c (rest_of_decl_compilation): Robustify.
* tree.c (contains_placeholder_p): Likewise.
* Makefile.in: Update dependencies.
* objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
* objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
(objc_expand_function_end): New function.
(finish_method_def): Use it.
(init_objc): Initialize more language-specific hooks.
* objc/Make-lang.in: Update dependencies.
* cp-tree.h (struct cp_language_function): Remove
x_scope_stmt_stack and name_declared.
(current_scope_stmt_stack): Remove.
(function_name_declared_p): New macro.
(struct lang_decl_flags): Use c_lang_decl as a base class.
(context): Remove.
(struct lang_decl): Replace saved_tree with context.
(DECL_FRIEND_CONTEXT): Adjust accordingly.
(SET_DECL_FRIEND_CONTEXT): Likewise.
(DECL_VIRTUAL_CONTEXT): Likewise.
(DECL_SAVED_TREE): Remove.
(C_DECLARED_LABEL_FLAG): Likewise.
(cplus_expand_expr_stmt): Don't declare.
(add_decl_stmt): Likewise.
(add_scope_stmt): Likewise.
* decl.c (mark_stmt_tree): Remove.
(case_compare): Likewise.
(finish_case_label): Use c_add_case_label.
(init_decl_processing): Set more language-specific hooks.
(build_enumerator): Fix typo in comment.
(cplus_expand_expr_stmt): Remove.
(mark_lang_function): Use mark_c_language_function.
(lang_mark_tree): Use c_mark_lang_decl.
* decl2.c: Change order of inclusion.
* except.c: Likewise.
* expr.c (cplus_expand_expr): Remove handling of STMT_EXPR. Fall
back on c_expand_expr.
* friend.c: Include expr.h.
* init.c: Change order of inclusion.
* Makefile.in: Update dependencies.
* lex.h (free_lang_decl_chain): Remove.
* optimize.c (maybe_clone_body): Use function_name_declared_p.
* pt.c (build_template_decl): Don't copy DECL_VIRTUAL_CONTEXT if
it doesn't exist.
(instantiate_decl): Use function_name_declared_p.
* semantics.c (lang_expand_expr_stmt): Remove.
(set_current_function_name_declared): Likewise.
(current_function_name_declared): Likewise.
(begin_compound_stmt): Use function_name_declared_p.
(add_decl_stmt): Remove.
(setup_vtbl_ptr): Use function_name_declared_p.
(add_scope_stmt): Remove.
(current_scope_stmt_stack): New function.
(cp_expand_stmt): Don't handle SCOPE_STMTs.
(expand_body): Use function_name_declared_p.
* tree.c (cp_statement_code_p): Don't include SCOPE_STMT.
* typeck.c: Change order of includes.
(convert_sequence): Remove.
From-SVN: r36464
* c-parse.in: Revert last change.
(init_reswords): Do not enter disabled keywords into the ridpointers
table, modulo objc weirdness.
(_yylex): Return the canonical spelling for a keyword.
From-SVN: r36303
* c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
REGISTER_TARGET_PRAGMAS is defined. Duplicate some
definitions from cpplib.h.
* cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
already done it.
* tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
documentation for REGISTER_TARGET_PRAGMAS.
* c-lex.c: Include cpplib.h before c-pragma.h. Define a
default-pragma callback to implement -Wunknown-pragmas if
USE_CPPLIB.
* c-parse.in: Move all includes to top of file.
* c-pragma.c: Include cpplib.h before c-pragma.h. Include
tm_p.h.
(dispatch_pragma): Put the namespace in the -Wunknown-pragmas
warning.
(init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
* arm.h, arm-protos.h, arm.c,
c4x.h, c4x-protos.h, c4x.c,
h8300.h, h8300-protos.h, h8300.c,
i370.h, i370-protos.h, i370.c,
i960.h, i960-protos.h, i960.c,
sh.h, sh-protos.h, sh.c,
v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
* d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
multiple include guard.
* i370.md (untyped_call): Use GEN_CALL.
(umodsi3): Remove unused variable.
* sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
* v850.c (output_move_single, output_move_double): Constify
return value.
(print_operand): Constify a char *.
* v850.h (struct small_memory_info): Constify name member.
From-SVN: r36249
top level:
* Makefile.in: Remove all references to c-parse.gperf,
c-gperf.h, and c-parse.h. Remove -d from yacc command line
generating c-parse.c. Update dependencies.
* c-parse.gperf, c-gperf.h: Delete.
* c-common.c: Don't define parse_options, cpp_token, yy_cur,
yy_lim, or yy_get_token. Don't define get_directive_line if
USE_CPPLIB.
* c-common.h: Add multiple include guard. Define RID values
for every keyword in C, C++, and Objective C. Put all the
modifiers first.
(struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
* c-decl.c (c_decode_option): Handle -lang-objc here.
(print_lang_identifier): Handle C_IS_RESERVED_WORD case.
(grokdeclarator): Adjust for new RID scheme.
(extract_interface_info): New stub.
* c-lang.c: Don't declare yy_cur or parse_options.
(lang_init_options): Call cpp_init. Don't call
cpp_options_init.
(lang_init): Don't call check_newline if USE_CPPLIB.
* c-lex.c: Don't include c-parse.h. Do include timevar.h.
Elide lots of unnecessary code if USE_CPPLIB. Delete code
rendered unnecessary by new architecture. Move routines not
shared with C++ to c-parse.in. Maintain a local idea of the
line number. Handle C++ as well as C.
[USE_CPPLIB]: Declare and register callbacks for #ident and
for entering/leaving files.
(init_c_lex, c_lex): Are now the entry points to this file.
(check_newline): Break out directive handling to
process_directive.
(read_ucs, is_extended_char, utf8_extend_token): Moved here
from C++ front end.
(readescape, parse_float): Overhaul.
(lex_number, lex_string, lex_charconst): Break out of c_lex
(n'ee yylex).
(get_fileinfo, update_header_times, dump_one_header,
dump_time_statistics): New and/or moved here from C++.
Support per-file data needed by C++ and per-header timing
statistics (C++ only, at the moment).
* c-lex.h: Update prototypes. Add multiple include guard.
* c-tree.h (struct lang_identifier): Add rid_code field.
(C_IS_RESERVED_WORD, C_RID_CODE): New.
* c-parse.in: Include c-pragma.h. Remove unnecesary calls to
reinit_parse_for_function and/or position_after_white_space.
(save_filename, save_lineno): Look ahead before saving.
(label -> identifier ':'): Save file and line before shifting ':'.
(reservedwords): No need to call get_identifier.
(init_parse, finish_parse, yyerror, yylex, yyprint,
make_pointer_declarator): Are now here for C/ObjC.
(rid_to_yy): Conversion table from RID constants to Yacc codes.
* c-pragma.c: Rewrite parsing logic to fit with cpplib's
#pragma registry. Provide dummy implementation of that
interface if !USE_CPPLIB.
* c-pragma.h: Update to match.
* flags.h: Add multiple include guard.
(flag_detailed_statistics): Moved here from C++.
* toplev.c: Define flag_detailed_statistics.
* gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
#if USE_CPPLIB.
* timevar.def (TV_CPP, TV_LEX): New.
* timevar.h: Add multiple include guard.
* objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
#if USE_CPPLIB.
* objc/objc-act.c: Don't mention yy_cur or parse_options.
Initialize cpplib properly. Force lineno to 0 after first
call to check_newline. Don't handle -lang-objc here.
Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
cp:
* Make-lang.in, Makefile.in: Remove all references to input.c,
gxx.gperf, and hash.h. Add ../c-lex.o to C_OBJS.
* gxx.gperf, hash.h, input.c: Delete.
* lang-specs.h: Pass -lang-c++ to cc1plus so cpplib is
initialized properly.
* class.c (fixup_pending_inline): Take a tree, not a
struct pending_inline *. All callers changed.
(init_class_processing): Set RID_PUBLIC, RID_PRIVATE,
RID_PROTECTED entries in ridpointers[] array here.
* decl.c (duplicate_decls): Do not refer to struct
pending_inline.
(record_builtin_type, init_decl_processing): Use RID_MAX not
CP_RID_MAX.
(grokdeclarator): Use C_IS_RESERVED_WORD.
* decl2.c (lang_decode_option): Ignore -lang-c++ for sake of
cpplib.
(grok_x_components): Do not inspect pending_inlines chain.
* cp-tree.h (struct lang_identifier): Add rid_code entry.
(C_IS_RESERVED_WORD, C_RID_CODE, C_RID_YYCODE): New.
(flag_no_gnu_keywords, flag_operator_names, rid_to_yy): Declare.
(DEFARG_LENGTH, struct pending_inline, TIME_IDENTIFIER_TIME,
TIME_IDENTIFIER_FILEINFO): Kill.
Update prototypes.
* lex.h: Expunge cp_rid. Rewrite RIDBIT macros to use just a
single 32-bit word.
* parse.y: Call do_pending_inlines unconditionally.
reinit_parse_for_method is now snarf_method. fn.defpen is no
longer necessary. Remove unnecessary <itype> annotation on
SCOPE. Do not refer to end_of_file or struct pending_inline.
* semantics.c (begin_inline_definitions): Call
do_pending_inlines unconditionally.
* lex.c: Remove all code now shared with C front end.
Initialize cpplib properly if USE_CPPLIB. Put reserved words
into the get_identifier table. Rewrite pragma handling to
work with the registry. Move code to save tokens for later
processing to spew.c.
* spew.c: Rewrite everything in terms of token streams instead
of text. Move routines here from lex.c / input.c as
appropriate. GC-mark trees hanging off the pending inlines
chain.
testsuite:
* g++.old-deja/g++.benjamin/13478.C: Put meaningful tags on
ERROR markers.
* g++.old-deja/g++.brendan/crash8.C: Move ERROR marker up one line.
* gcc.dg/c99-array-nonobj-1.c: Don't expect func[] cases to fail.
* gcc.dg/wtr-label-1.c: Don't use unconstrained .* in error regexps.
* gcc.dg/wtr-suffix-1.c: Correct error regexps.
* gcc.dg/cpp/unc1.c, gcc.dg/cpp/unc2.c, gcc.dg/cpp/unc3.c:
Preprocess only.
* gcc.dg/cpp/unc4.c: Adjust line number in dg-error line.
* gcc.dg/noncompile/const-ll-1.c: Generalize error regexp.
From-SVN: r36216
* c-decl.c (define_label): Call warning_with_file_and_line and
error_with_file_and_line instead of plain warning or error.
* c-parse.in (label): Use save_filename/save_lineno to ensure
correct values for calls to define_label.
From-SVN: r36040
* cpplex.c (parse_name): Might have to glue a CPP_OTHER token
before the name.
(lex_line): Glue @ onto the beginning of identifiers and
string constants, in Objective-C mode.
(output_token, spell_token): Handle CPP_OSTRING.
(can_paste, maybe_paste_with_next): Handle pasting @ onto the
beginning of a NAME or a STRING, in objc mode.
* cpplib.c (get_define_node): Do not permit identifiers that
begin with @ to be #defined.
* cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
* cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
* c-lang.c, objc/objc-act.c (build_objc_string): Delete.
* c-tree.h (build_objc_string): Delete prototype.
* objc/objc-tree.def: Delete OBJC_STRING_CST.
* c-lex.c (yylex): Use build_string for all three kinds of strings.
* gcc.dg/cpp/20000625-2.c: Don't expect a warning on line 4.
From-SVN: r35470
* c-decl.c (define_label): Warn about identifier conflicts with
labels in traditional C.
* c-parse.in (unop +): Warn about the unary plus operator for
traditional C.
* c-typeck.c (store_init_value): Warn about automatic aggregate
initialization for traditional C.
* invoke.texi (-Wtraditional): Document new warnings.
From-SVN: r34997
* c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
(primary: IDENTIFIER): Just call build_external_ref.
* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
Regenerate.
* c-lex.c (lastiddecl): Remove.
(yylex): Replace all instances of lastiddecl with local
variables.
* c-typeck.c (build_external_ref): New function. Treat decls
with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
Look up the decl from the id here. Call lookup_objc_ivar.
* c-lang.c (lookup_objc_ivar): Stub.
* objc/objc-act.c (lookup_objc_ivar): New function.
* c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
* c-lex.h: Don't declare lastiddecl.
From-SVN: r34602
* objc/objc-act.c: Include ggc.h.
(objc_tree_index, objc_global_trees): Convert most of the
static tree variables into a static array with previous names
as defines.
(objc_ellipsis_node): New variable.
(lang_init): Call objc_act_parse_init and c_parse_init.
Create objc_ellipsis_node.
(build_selector_translation_table): Use objc_ellipsis_node instead
of (tree)1.
(hack_method_prototype): Likewise.
(get_arg_type_list): Likewise.
(start_method_def): Likewise.
(continue_method_def): Likewise.
(gen_method_decl): Likewise.
(ggc_mark_imp_list): New function.
(ggc_mark_hash_table): New function.
(objc_act_parse_init): New function.
* objc/objc-act.h (objc_ellipsis_node): Add extern variable.
* c-parse.in (c_parse_init): For objc add roots of objc specific
local tree variables.
* objc/objc-parse.y: Rebuilt.
* objc/objc-parse.c: Rebuilt.
(opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
* Object.m (strlen): Provide prototype on all 64bit platforms,
not only alpha.
* sarray.c (memcpy): Likewise.
* encoding.c (objc_layout_finish_structure): Don't use
ROUND_TYPE_ALIGN on sparc.
From-SVN: r33092
* c-parse.in (cast_expr): Move change from March 21 into c-parse.in
since it is used to generate c-parse.y.
* objc-parse.c, objc-parse.y: Regenerated.
From-SVN: r32840
* c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
Regenerated.
* c-tree.h (min_precision): Move declaration to here.
* c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
(build_unary_op, add_pending_init): Use bit_position.
(pending_init_member, process_init_element): Likewise.
(really_start_incremental_init, push_init_level, pop_init_level):
Don't make copies of nodes or modify them in place, use consistent
types when tracking positions, and use tree routines computations.
(set_init_index, output_init_element): Likewise.
(output_pending_init_elements, process_init_element): Likewise.
* dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
tree_low_cst and int_bit_position; also minor cleanup.
(dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
(print_cst_octal): Precision is unsigned.
(dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
* dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
(simple_type_align_in_bits): Result is unsigned int.
Use tree_int_low_cst and host_integerp.
(simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
(field_byte_offset): Result is HOST_WIDE_INT.
Change types of internal variables so alignments are unsigned int,
offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
Use host_integerp, tree_low_cst, and int_bit_position.
(add_bit_offset_attribute): Likewise.
(add_data_member_location_attribute): Use tree_cst_low.
(add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
(add_bit_size_attribute): Use tree_low_cst.
(add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
* dwarfout.c: Similar changes to dwarf2out.c.
* expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
* genoutput.c (n_occurences): Return -1 for null string.
(strip_whitespace): Accept null string and make into function.
(scan_operands): Reflect above changes.
* sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
(sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
* ssa.c (rename_registers): Add missing cast of arg to bzero.
* tree.c (int_size_in_bytes): Check for too big to represent.
(bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
* tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
New declarations.
(min_precision): Delete from here.
* varasm.c (decode_addr_const): Use host_integerp, bit_position,
and int_bit_position.
* objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
(encode_method_def): Likewise.
(build_ivar_list_initializer): Use int_bit_position.
(generate_shared_structures): Convert size.
(encode_type, encode_complete_bitfield): Use integer_zerop.
(encode_bitfield): Use tree_low_cst and int_bit_position.
* ch/typeck.c (min_precision): New function.
(build_chill_slice): Use host_integerp and tree_low_cst.
(expand_constant_to_buffer): Likewise and also int_bit_position.
LO is unsigned HOST_WIDE_INT
(build_chill_array_ref_1): Make `i' be HOST_WIDE_INT; use tree_low_cst.
(extract_constant_from_buffer): Sizes are now HOST_WIDE_INT.
Use host_integerp and tree_low_cst.
(build_chill_bin_type): Use host_integerp and tree_low_cst.
(layout_chill_range_type): Use tree_int_cst_sgn, compare_tree_int,
tree_low_cst, and min_precision.
(apply_chill_array_layout): Cleanups for types of variables
and use tree_int_cst_sgn, compare_tree_int, and tree_low_cst.
(apply_chill_field_layout): Likewise.
* cp/class.c (build_vbase_path): Use integer_zerop.
(build_vtable_entry): Use tree_low_cst.
(get_vfield_offset): Use bit_position.
(dfs_modify_vtables): New variable vindex_val; `i' is HOST_WIDE_INT.
Use tree_low_cst.
(check_bitfield_decl): Set DECL_SIZE using convert.
(build_base_field): Set DECL_SIZE and DECL_SIZE_UNIT using size_binop.
(layout_virtual_bases): DSIZE is unsigned HOST_WIDE_INT.
Use tree_low_cst.
(finish_struct_1): Use bit_position.
(dump_class_hierarchy): Use tree_low_cst.
* cp/cp-tree.h (min_precision): Add declaration.
* cp/decl.c (xref_tag, xref_basetypes): Use tree_low_cst.
* cp/error.c (dump_type_suffix): Use host_integerp and tree_low_cst.
(dump_expr): Use integer_zerop, host_integerp, and tree_low_cst.
* cp/expr.c (cplus_expand_constant): Use bit_position.
* cp/init.c (build_vec_init): Use host_integerp and tree_low_cst.
* cp/rtti.c (get_base_offset): Use bit_position.
* cp/typeck.c (build_binary_op): Use integer_zerop, compare_tree_int,
host_integerp, and tree_low_cst.
(pointer_int_sum): Use integer_zerop.
(build_component_addr): Use bit_position.
* java/class.c (make_field_value): Properly handle sizes.
(get_dispatch_vector): Use tree_low_cst and host_integerp.
(layout_class_method): Count using trees.
* java/decl.c (push_promoted_type): Set TYPE_{MIN,MAX}_VALUE with
copy_node.
* java/expr.c (java_array_data_offset): Use int_bit_position.
(build_newarray, build_anewarray): Use host_integerp and tree_low_cst.
(build_invokevirtual): Use tree_low_cst and do computations with trees.
From-SVN: r32607
* c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
c-typeck.c, objc/objc-act.c: Remove all references to obstack
functions obsoleted by GC, such as push_obstacks_nochange,
end_temporary_allocation, savealloc, saveable_tree_cons, etc.
and code which existed only to decide whether or not to call
them. Remove now-unused NESTED argument from start_function;
all callers changed. Do not change behavior based on ggc_p.
The use of the ixp_obstack in c-iterate.c and the util_obstack
in objc/objc-act.c remain; these are not obsoleted by garbage
collection.
* c-tree.h: Update prototype for start_function.
* c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
From-SVN: r31611
* c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
(RESTORE_WARN_FLAGS): Unpack it.
Change semantic type of extension to ttype.
* c-common.c (split_specs_attrs): Expect an INTEGER_CST.
* c-parse.y, c-parse.c, objc/objc-parse.y,
objc/objc-parse.c: Regenerate.
From-SVN: r31478
* c-parse.in: save and restore warn_pointer_arith on __extension__
along with pedantic.
(SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
Set the type of extension to itype rather than $<itype>1 kludge.
* extend.texi (Alternate Keywords): Adjust documentation.
* c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
From-SVN: r29588
* Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
(c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
$(out_object_file)): Depend on ggc.h.
* c-common.c: Include "ggc.h".
(combine_strings): If doing GC, use ggc_alloc_string.
* c-decl.c: Include "ggc.h".
(ggc_p): Define with value 0.
(mark_binding_level): New function.
(init_decl_processing): Add GC roots.
(mark_c_function_context): New function.
(lang_mark_false_label_stack): New function.
(lang_mark_tree): New function.
(lang_cleanup_tree): New function.
* c-lang.c: Include "ggc.h".
(lang_init): Call c_parse_init.
* c-lex.c: Include "ggc.h".
(check_linenum): If doing GC, don't copy filenames to permanent
obstack.
* c-parse.in: Include "ggc.h".
(c_parse_init): New function.
* c-tree.h (c_parse_init, mark_c_function_context): Declare.
* objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
* except.c (mark_eh_state): Mark more state.
* function.c (mark_function_state): Likewise.
* ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
(ggc_alloc_string) [GGC_DUMP]: Fix typo.
* toplev.c (mark_file_stack): New function.
(compile_file): If doing GC, use ggc_alloc_string on input filename.
(main): Add root for input_file_stack.
* i386.c: Include "ggc.h".
(ix86_mark_machine_status): New function.
(override_options): Set mark_machine_status.
From-SVN: r29143
* c-decl.c (struct language_function): Renamed from struct c_function.
Delete elt NEXT.
(c_function_chain): Delete.
(push_c_function_context): New arg F. Don't warn about nested
functions here. Fill LANGUAGE elt of F. Delete code to update
c_function_chain. Don't call push_function_context.
(pop_c_function_context): New arg F. Restore from there instead of
from c_function_chain. Don't call pop_function_context. Clear out
LANGUAGE field of F when done.
* c-lang.c: Include "function.h"
(lang_init): Initialize save_lang_status and restore_lang_status.
* c-parse.in (nested_function, nested_function_notype): Warn about
nested functions. Call push_function_context/pop_function_context
instead of the _c_ variants.
* c-tree.h (push_c_function_context, pop_c_function_context): Update
prototype.
* Makefile.in (c-lang.o): Update dependencies.
* emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
regno_pointer_flag, regno_pointer_align.
(gen_reg_rtx): Use xrealloc to enlarge them.
(free_emit_status): New function.
* function.c (mark_machine_status, mark_lang_status): New variables.
(assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
in some bits from assign_stack_local. All callers changed to use new
name.
(assign_stack_local): Just call assign_stack_local_1.
(free_after_compilation): New function.
(put_reg_into_stack): Simplify to always call assign_stack_local_1.
(trampoline_address): Likewise.
(assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
(prepare_function_start): Explicitly clear some more variables.
* function.h (struct function): New elt can_garbage_collect.
(mark_machine_status, mark_lang_status): Declare variables.
(free_after_compilation, free_emit_status, free_varasm_status,
init_varasm_status): Declare functions.
* toplev.c (rest_of_compilation): Call free_after_compilation when
done with the current function.
* varasm.c (free_varasm_status): New function.
From-SVN: r29117
* c-parse.in (compstmt_primary_start): New, broken out of first
part of compstmt handling in primary.
(primary): Use it. Add an error clause.
(compstmt_nostart): Renamed from compstmt; remove all
initial invocations of compstmt_start.
(compstmt): New.
From-SVN: r29059
* c-lex.c: Sync with C++ frontend.
(linemode): New variable.
(parse_float): imag, conversion_errno, and type are output only.
(yylex): Adjust. Move initial '.' case into main switch.
Use linemode.
(handle_generic_pragma): Just deal with tokens.
(readescape): Use ISXDIGIT and ISGRAPH.
* c-parse.in: Add END_OF_LINE token.
* c-lex.c (lang_init): Generalize.
(nextchar): Remove. Replace uses with UNGETC.
(skip_white_space): Handle linemode here. Optimize for cpplib.
(skip_white_space_on_line): Remove.
(extend_token_buffer_to): New fn.
(extend_token_buffer): Use it.
(read_line_number, check_newline): Just deal with tokens.
(token_getch, token_put_back): New fns.
(yylex): Use them. More cpplib optimizations. Simplify.
* c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
(consume_string): Make this smart about USE_CPPLIB.
(check_newline): Rewrite to be intelligent about USE_CPPLIB.
(yylex): Rewrite to be intelligent about USE_CPPLIB.
Also, clean up cases where we redundantly set token_buffer[0].
(read_line_number): New fn.
(ignore_escape_flag): New variable.
From-SVN: r28507
* c-common.c (decl_attributes): Allow applying attribute `unused'
on a LABEL_DECL.
* c-parse.in (label): Parse attributes after a label, and call
`decl_attributes' to handle them.
* gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
* genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
* invoke.texi: Note that labels can be marked `unused'.
From-SVN: r24478
* c-common.c (declare_function_name): Declare predefinied variable
`__func__'.
* c-decl.c (flag_isoc9x): Set to 1 by default.
(c_decode_option): Handle -std= option. Remove -flang-isoc9x.
(grokdeclarator): Always emit warning about implicit int for ISO C 9x.
* c-parse.in: Allow constructors in ISO C 9x.
Rewrite designator list handling.
Allow [*] parameters.
Don't warn about comma at end of enum definition for ISO C 9x.
* cccp.c (c9x): New variable.
(rest_extension): New variable.
(print_help): Document new -std= option.
(main): Recognize -std= option. Set c9x appropriately.
(create_definition): Recognize ISO C 9x vararg macros.
* gcc.c (default_compilers): Adjust specs for -std options.
(option_map): Add --std.
(display_help): Document -std.
* toplev.c (documented_lang_options): Add -std and remove
-flang-isoc9x.
* c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
or REAL_VALUE_HTOF based on base of the constants.
* fold-const.c (real_hex_to_f): New function. Replacement function
for hex FP conversion if REAL_ARITHMETIC is not defined.
* real.c (asctoeg): Add handling of hex FP constants.
* real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
real_hex_to_f.
Co-Authored-By: Richard Henderson <rth@cygnus.com>
Co-Authored-By: Stephen L Moshier <moshier@world.std.com>
From-SVN: r24049
* invoke.texi: Document -flang-isoc9x.
* Makefile.in (OBJS): Add splay-tree.o.
(c-common.o): Depend on rtl.h.
(splay-tree.o): List dependencies and provide build rule.
* rtl.h (record_alias_subset): New function.
* alias.c: Include splay-tree.h.
(alias_set_entry): New type.
(CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
(DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
(mems_in_disjoin_alias_sets_p): New function.
(alias_set_compare): Likewise.
(insert_subset_children): Likewise.
(get_alias_set_entry): Likewise.
* tree.h (TYPE_RESTRICT): New macro.
(TYPE_UNQUALIFIED): New manifest constant.
(TYPE_QUAL_CONST): Likewise
(TYPE_QUAL_VOLATILE): Likewise.
(TYPE_QUAL_RESTRICT): Likewise.
(tree_type): Add restrict_flag. Reduce count of free bits.
(DECL_POINTER_ALIAS_SET): New macro.
(DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
(tree_decl): Add pointer_alias_set.
(build_qualified_type): New function.
(build_type_variant): Define in terms of build_qualified_type.
* tree.c (set_type_quals): New function.
(make_node): Initializae DECL_POINTER_ALIAS_SET.
(build_type_attribute_variant): Use build_qualified_type and
set_type_quals.
(build_type_variant): Rename, and modify, to become...
(build_qualified_type): New function.
(build_complex_type): Use set_type_quals.
* c-tree.h (C_TYPE_OBJECT_P): New macro.
(C_TYPE_FUNCTION_P): Likewise.
(C_TYPE_INCOMPLETE_P): Likewise.
(C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
(c_apply_type_quals_to_decl): New function.
(c_build_qualified_type): New function.
(c_build_type_variant): Define in terms of c_build_qualified_type.
(flag_isoc9x): Declare.
* c-typeck.c (qualify_type): Use c_build_qualified_type.
(common_type): Change to use TYPE_QUALS.
(comptypes): Likewise.
(convert_for_assignment): Likewise.
* c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
* c-decl.c (flag_isoc9x): Define.
(c_decode_option): Handle -flang-isoc9x.
(grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
* c-lex.c (init_lex): Deal with restrict.
(init_lex): Don't treat restrict as a reserved word in
-traditional mode, or without -flang-isoc9x.
* c-lex.h (rid): Add RID_RESTRICT.
* c-parse.gperf (restrict, __restrict, __restrict__): Make
equivalent to RID_RESTRICT.
* c-parse.in (TYPE_QUAL): Update comment.
* c-common.c: Include rtl.h.
(c_find_base_decl): New function.
(c_build_type_variant): Rename, and modify, to become ...
(c_build_qualified_type): New function.
(c_apply_type_quals_to_decl): Likewise.
(c_get_alias_set): For INDIRECT_REFs, check to see if we can find
a particular alias set for the reference.
* toplev.c (documented_lang_options): Add -flang-isoc9x.
From-SVN: r23212
(expr_no_commas): Do not store temporary skip_evaluation increments on
yacc value stack; the code was buggy and occasionally wrote past the
end of the stack.
From-SVN: r13720
(unary_expr, expr_no_commas): Increment skip_evaluation when analyzing an
expression that is known not to be evaluated.
(sizeof, alignof): New rules.
From-SVN: r13231
({typed_declspecs,reserved_declspecs,declmods}_no_prefix_attr): New.
(current_declspecs): Initialize to NULL_TREE.
(fndef): Pass current_declspecs, not $1, to start_function.
(old_style_parm_decls): Renamed from xdecls.
(datadecl, declmods): Add references to new rules.
(setspecs): Call split_specs_attrs.
(absdcl1): Remove case with setattrs.
From-SVN: r12924
(stmts, stmt_or_label): Use new member to avoid lexical lookahead hack.
(lineno_stmt_or_labels): New rule.
(lineno_stmt_or_label, stmt_or_label): Yield nonzero if it ends in a label.
From-SVN: r10302
(datadef, fndef, ivar_decl, mydecls): Restore declspec_stack since
setspecs is used.
(parmlist_or_identifiers): Use setspecs before parsing parms and
restore after parsing parms.
From-SVN: r9760
(attribute_list): Just make chain of all attributes.
(attrib): Consistently put name as PURPOSE, args, if any, as VALUE.
(structsp): Allow attributes on any struct or union.
From-SVN: r9260
(setspecs): Save prefix_attributes in declspec_stack.
(decl rules): Restore prefix_attributes along with current_declspecs.
(setattrs): Concatenate prefix_attributes to previous value.
From-SVN: r9151
(init, compstmt, stmt, all_iter_stmt_with_decl): If the lookahead
token is a constant and we need to pop the momentary obstack, don't
free it.
From-SVN: r7382