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ldgram.y tidies

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I've been tripped up before thinking the "end" rule was the "END"
token.  Let's use a better name.  The formatting changes are for
consistency within rules, and making it a little easier to visually
separate tokens from mid-rule actions.

	* ldgram.y (separator): Rename from "end".  Update uses.
	(statement): Formatting.  Move ';' match to beginning.
	(paren_script_name): Formatting.  Simplify.
	(must_be_exp, section): Formatting.
This commit is contained in:
Alan Modra
2021-08-11 15:34:12 +09:30
parent fb0afe4cca
commit 6c93cebf2d
1 changed files with 55 additions and 41 deletions
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96
ld/ldgram.y
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@ -422,7 +422,7 @@ sec_or_group_p1:
statement_anywhere: statement_anywhere:
ENTRY '(' NAME ')' ENTRY '(' NAME ')'
{ lang_add_entry ($3, false); } { lang_add_entry ($3, false); }
| assignment end | assignment separator
| ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')'
{ ldlex_popstate (); { ldlex_popstate ();
lang_add_assignment (exp_assert ($4, $6)); } lang_add_assignment (exp_assert ($4, $6)); }
@ -663,16 +663,15 @@ input_section_spec:
; ;
statement: statement:
assignment end ';'
| CREATE_OBJECT_SYMBOLS | assignment separator
| CREATE_OBJECT_SYMBOLS
{ {
lang_add_attribute(lang_object_symbols_statement_enum); lang_add_attribute (lang_object_symbols_statement_enum);
} }
| ';' | CONSTRUCTORS
| CONSTRUCTORS
{ {
lang_add_attribute (lang_constructors_statement_enum);
lang_add_attribute(lang_constructors_statement_enum);
} }
| SORT_BY_NAME '(' CONSTRUCTORS ')' | SORT_BY_NAME '(' CONSTRUCTORS ')'
{ {
@ -689,12 +688,19 @@ statement:
{ {
lang_add_fill ($3); lang_add_fill ($3);
} }
| ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' end | ASSERT_K
{ ldlex_popstate (); { ldlex_expression (); }
lang_add_assignment (exp_assert ($4, $6)); } '(' exp ',' NAME ')' separator
{
ldlex_popstate ();
lang_add_assignment (exp_assert ($4, $6));
}
| INCLUDE filename | INCLUDE filename
{ ldlex_script (); ldfile_open_command_file($2); } {
statement_list_opt END ldlex_script ();
ldfile_open_command_file ($2);
}
statement_list_opt END
{ ldlex_popstate (); } { ldlex_popstate (); }
; ;
@ -754,7 +760,7 @@ assign_op:
; ;
end: ';' | ',' separator: ';' | ','
; ;
@ -905,13 +911,13 @@ nocrossref_list:
} }
; ;
paren_script_name: paren_script_name: { ldlex_script (); }
{ ldlex_script (); } '(' NAME { ldlex_popstate (); } ')' '(' NAME ')'
{ $$ = $3; } { ldlex_popstate (); $$ = $3; }
mustbe_exp: { ldlex_expression (); } mustbe_exp: { ldlex_expression (); }
exp exp
{ ldlex_popstate (); $$=$2;} { ldlex_popstate (); $$ = $2; }
; ;
exp : exp :
@ -1056,31 +1062,35 @@ sect_constraint:
| { $$ = 0; } | { $$ = 0; }
; ;
section: NAME { ldlex_expression(); } section: NAME
{ ldlex_expression(); }
opt_exp_with_type opt_exp_with_type
opt_at opt_at
opt_align opt_align
opt_align_with_input opt_align_with_input
opt_subalign { ldlex_popstate (); ldlex_script (); } opt_subalign
{ ldlex_popstate (); ldlex_script (); }
sect_constraint sect_constraint
'{' '{'
{ {
lang_enter_output_section_statement($1, $3, lang_enter_output_section_statement($1, $3, sectype,
sectype, $5, $7, $4,
$5, $7, $4, $9, $6); $9, $6);
} }
statement_list_opt statement_list_opt
'}' { ldlex_popstate (); ldlex_expression (); } '}'
{ ldlex_popstate (); ldlex_expression (); }
memspec_opt memspec_at_opt phdr_opt fill_opt memspec_opt memspec_at_opt phdr_opt fill_opt
{ {
if (yychar == NAME) if (yychar == NAME)
{ {
yyclearin; yyclearin;
ldlex_backup (); ldlex_backup ();
} }
ldlex_popstate (); ldlex_popstate ();
lang_leave_output_section_statement ($18, $15, $17, $16); lang_leave_output_section_statement ($18, $15,
} $17, $16);
}
opt_comma opt_comma
| OVERLAY | OVERLAY
{ ldlex_expression (); } { ldlex_expression (); }
@ -1109,17 +1119,21 @@ section: NAME { ldlex_expression(); }
svr3.ifile script. It is not intended to be full svr3.ifile script. It is not intended to be full
support. I'm not even sure what GROUP is supposed support. I'm not even sure what GROUP is supposed
to mean. */ to mean. */
GROUP { ldlex_expression (); } GROUP
{ ldlex_expression (); }
opt_exp_with_type opt_exp_with_type
{ {
ldlex_popstate (); ldlex_popstate ();
lang_add_assignment (exp_assign (".", $3, false)); lang_add_assignment (exp_assign (".", $3, false));
} }
'{' sec_or_group_p1 '}' '{' sec_or_group_p1 '}'
| INCLUDE filename | INCLUDE filename
{ ldlex_script (); ldfile_open_command_file($2); } {
ldlex_script ();
ldfile_open_command_file ($2);
}
sec_or_group_p1 END sec_or_group_p1 END
{ ldlex_popstate (); } { ldlex_popstate (); }
; ;
type: type: