language-specific info for printing, prefixifying, dumping, and
evaluating expressions.
(exp_descriptor_standard): Declare new variable.
(print_subexp): Make global and declare here (from expprint.c).
(dump_subexp): Ditto.
(dump_subexp_body_standard): Declare.
(operator_length_standard): Declare.
(op_name_standard): Declare.
(print_subexp): Declare.
(print_subexp_standard): Declare.
* language.h (struct language_defn): Add la_exp_desc field to hold
pointer to table for language-specific operators.
Remove evaluate_exp field, which is now in struct exp_descriptor.
* parse.c (operator_length): Move most code to new
operator_length_standard function. Use language-specific information.
(operator_length_standard): New function taking most code from
operator_length.
(exp_descriptor_standard): New constant.
* expression.h (enum exp_opcode): Add definitions of OP_EXTENDED0
and OP_EXTENDED_LAST.
* expprint.c (print_subexp): Use language-specific print_subexp.
Make global; remove static declaration.
Move most code to print_subexp_standard.
(print_subexp_standard): New function, containing code formerly in
print_subexp.
(op_name): Add expression to argument signature.
Use langauge-specific op_name.
Move most code to op_name_standard.
(op_name_standard): New function, containing code formerly in op_name.
(dump_subexp): Use new version of op_name function.
Use language-specific dump_subexp_body, and move most existing code to
dump_subexp_body_standard.
(dump_raw_expression): Use new op_name interface.
(dump_subexp_body): Move most code to dump_subexp_body_standard.
(dump_subexp_body_standard): New function, containing code formerly
in dump_subexp_body.
* language.c (unknown_language): Add default la_exp_desc field and
remove evaluate_exp field.
(auto_language): Ditto.
(local_language): Ditto.
* f-lang.c (f_language_defn): Ditto.
* c-lang.c (c_language_defn): Ditto.
(cplus_language_defn): Ditto.
(asm_language_defn): Ditto.
(minimal_language_defn): Ditto.
* p-lang.c (pascal_language_defn): Ditto.
* m2-lang.c (m2_language_defn): Ditto.
* objc-lang.c (objc_language_defn): Ditto.
* jv-lang.c (exp_descriptor_java): New variable, containing
Java-specific expression evaluator.
(java_language_defn): Add la_exp_desc field and remove evaluate_exp
field.
* scm-lang.c (exp_descriptor_scm): New variable, containing
Scheme-specific expression evaluator.
(scm_language_defn): Add la_exp_desc field and remove evaluate_exp
field.
* objc-lang.c (print_object_command): Take evaluate_exp from the
la_exp_desc field.
* Makefile.in (eval.o): Add dependency on parser-defs.h.
* eval.c: Include parser-defs.h for the full declaration of
la_exp_desc's type.
(evaluate_subexp): Get evaluate_exp out of la_exp_desc field.
* parse.c (length_of_subexp): Use operator_length to get operator
lengths and arities for operators.
Move most code to new operator_length function.
(operator_length): New function absorbing most code from
length_of_subexp.
(prefixify_subexp): Remove large case and use operator_length instead.
(parse_exp_1): Use renamings:
dump_prefix_expression => dump_raw_expression and
dump_postfix_expression => dump_prefix_expression.
* expression.h (dump_prefix_expression): Rename to ...
(dump_raw_expression): New name.
(dump_postfix_expression): Rename to ...
(dump_prefix_expression): New name.
* expprint.c (dump_subexp): Make global. Add comment.
Move most existing code to dump_subexp_body.
(dump_subexp_body): New function.
(dump_prefix_expression): Rename to dump_raw_expression.
Remove attempt to print the expression via print_expression: it can't
work before the expression is prefixified.
(dump_raw_expression): Renamed from dump_prefix_expression.
(dump_postfix_expression): Rename to dump_prefix_expression, since
that's what it does.
Remove 'note' parameter, since this routine must be used on
prefixified expression.
(dump_prefix_expression): Renamed from dump_postfix_expression.
* frame.c: Include "gdb_string.h" and "builtin-regs.h".
(frame_map_regnum_to_name): New function.
(frame_map_name_to_regnum): New function.
* frame.h (frame_map_name_to_regnum): Declare.
(frame_map_regnum_to_name): Declare.
* builtin-regs.c (builtin_reg_map_regnum_to_name): New function.
* builtin-regs.h (builtin_reg_map_regnum_to_name): Declare.
* parse.c: Do not include "builtin-regs.h".
(target_map_name_to_register): Delete function.
(write_dollar_variable): Use frame_map_name_to_regnum.
* parser-defs.h (target_map_name_to_register): Delete declaration.
* expprint.c: Include "frame.h".
(print_subexp): Use frame_map_regnum_to_name.
* eval.c (evaluate_subexp_standard): Use frame_map_regnum_to_name.
* infcmd.c (registers_info): Use frame_map_name_to_regnum.
2002-09-25 Andrew Cagney <cagney@redhat.com>
* gdb.base/pc-fp.exp, gdb.base/pc-fp.c: New test.
* parse.c (parse_fprintf): New function used to avoid calls to
fprintf in bison parser generated debug code.
* parser-defs.h: Declaration of new parse_fprintf function.
* ada-exp.y, c-exp.y, f-exp.y, jv-exp.y, m2-exp.y, p-exp.y:
Set YYDEBUG to 1 by default.
Set YYFPRINTF as parse_fprintf.
* c-lang.h: #include "macroexp.h", for macro_lookup_ftype.
(scan_macro_expansion, scanning_macro_expansion,
finished_macro_expansion): New function declarations.
(expression_macro_lookup_func, expression_macro_lookup_baton): New
variable declarations.
* parser-defs.h (expression_context_pc): New declaration.
* parse.c (expression_context_pc): New variable.
(parse_exp_1): Set expression_context_pc, as well as
expression_context_block.
* c-exp.y (yylex): If we're not already reading the result of a
macro expansion, try to macro-expand the next token. When we're
done scanning a macro expansion, switch back to the mainline text.
Commas and `if's in a macro's expansion don't terminate the input.
* c-lang.c: #include "macroscope.h" and "gdb_assert.h".
(macro_original_text, macro_expanded_text,
expression_macro_lookup_func, expression_macro_lookup_baton): New
variables.
(scan_macro_expansion, scanning_macro_expansion,
finished_macro_expansion, scan_macro_cleanup, null_macro_lookup,
c_preprocess_and_parse): New functions.
(c_language_defn, cplus_language_defn, asm_language_defn): Call
c_preprocess_and_parse, instead of c_parse.
* Makefile.in (c_lang_h): Note that this #includes macroexp.h.
(c-lang.o): Note dependency on macroscope.h and gdb_assert.h.
* parser-defs.h (prev_lexptr): New external variable.
* parse.c (parse_exp_1): Set prev_lexptr to null before
calling the language-specific parser.
* c-exp.y (yylex): Set prev_lexptr to start of current token.
(yyerror): Use prev_lexptr in error reporting.
* stack.c (get_selected_block): Add new argument `addr_in_block',
used to return the exact code address we used to select the block,
not just the block.
* blockframe.c (get_frame_block, get_current_block): Same.
* frame.h (get_frame_block, get_current_block,
get_selected_block): Update declarations.
* linespec.c, stack.c, blockframe.c, breakpoint.c, findvar.c,
linespec.c, varobj.c, printcmd.c, symtab.c: Callers changed.
gdb/mi/ChangeLog:
* mi-cmd-stack.c (list_args_or_locals): Pass new arg to
get_frame_block. (See entry in gdb/ChangeLog.)
Add address space identifiers to expression language for types.
* c-exp.y (space_identifier, cv_with_space_id,
const_or_volatile_or_space_identifier_noopt,
const_or_volatile_or_space_identifier): New terminals.
(ptype): Accept const_or_volatile_or_space_identifier.
(typebase): Accept const_or_volatile_or_space_identifier.
* c-typeprint.c (c_type_print_cv_qualifier): Rename to
c_type_print_modifier. Handle address space modified types.
* gdbtypes.h (TYPE_FLAG_CODE_SPACE, TYPE_FLAG_DATA_SPACE):
New type flags.
(struct type): Add new field as_type for addr-space qualified types.
(TYPE_AS_TYPE): New macro, retrieves the chain of types that are
identical to this one except for address-space qualification.
* gdbtypes.c (alloc_type): Initialize new field 'as_type'.
(address_space_name_to_int): New function.
(address_space_int_to_name): New function.
(make_type_with_address_space): New function.
(make_cv_type): Handle as_type field of new struct type object.
* parse.c (check_type_stack_depth): New function.
(push_type_address_space): New function.
(follow_types): Handle types with address-space qualifier.
* parser-defs.h (enum type_pieces): Add enum tp_space_identifier.
Changes by Daniel Berlin <dan@cgsoftware.com>, to support
better parsing of const and volatile type expressions.
* c-exp.y (const_and_volatile, const_or_volatile_noopt,
const_or_volatile): New non-terminals.
(ptype): Use new rule for const_or_volatile.
(typebase): Use new rule for const_or_volatile_noopt.
* parser-defs.h (enum type_pieces): New values tp_const, tp_volatile.
* parse.c (follow_types): Handle tp_const and tp_volatile on the
type stack: call make_cv_type to create new const/volatile type.
* linespec.h: New file. Declarations for linespec.c.
* linespec.c, alpha-tdep.c, breakpoint.c, parse.c, source.c,
symtab.c, tracepoint.c: Include the above.
* completer.c: New file. Line completion stuff for GDB.
(get_gdb_completer_word_break_characters,
get_gdb_completer_quote_characters): New functions. Accessors for
useful completer internal data.
(filename_completer, line_completion_function, skip_quoted): Moved
here from top.c.
* completer.h: New file. Declarations for the above.
* linespec.c (decode_line_1): Use
get_gdb_completer_word_break_characters and
get_gdb_completer_quote_characters.
* top.c: Include completer.h.
(filename_completer, line_completion_function, skip_quoted):
Moved to completer.c.
* corefile.c, exec.c, source.c, symfile.c, linespec.c: Include
completer.h.
* Makefile.in (SFILES): Add completer.c.
(COMMON_OBS): Add completer.o.
(completer.o): New target.
(linespec.o, alpha-tdep.o, breakpoint.o, parse.o, source.o,
symtab.o, tracepoint.o): Add linespec.h to dependencies list.
(corefile.o, exec.o, source.o, symfile.o, linespec.o): Add completer.h
to dependencies list.
Paul N. Hilfinger