/* YACC parser for C expressions, for GDB.
- Copyright (C) 1986, 1989-2000, 2003-2004, 2006-2012 Free Software
- Foundation, Inc.
+ Copyright (C) 1986-2015 Free Software Foundation, Inc.
This file is part of GDB.
with include files (<malloc.h> and <stdlib.h> for example) just became
too messy, particularly when such includes can be inserted at random
times by the parser generator. */
-
+
%{
#include "defs.h"
-#include "gdb_string.h"
#include <ctype.h>
#include "expression.h"
#include "value.h"
#include "block.h"
#include "cp-support.h"
#include "dfp.h"
-#include "gdb_assert.h"
#include "macroscope.h"
+#include "objc-lang.h"
+#include "typeprint.h"
+#include "cp-abi.h"
-#define parse_type builtin_type (parse_gdbarch)
+#define parse_type(ps) builtin_type (parse_gdbarch (ps))
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
as well as gratuitiously global symbol names, so we can have multiple
#define YYFPRINTF parser_fprintf
+/* The state of the parser, used internally when we are parsing the
+ expression. */
+
+static struct parser_state *pstate = NULL;
+
int yyparse (void);
static int yylex (void);
void yyerror (char *);
+static int type_aggregate_p (struct type *);
+
%}
/* Although the yacc "value" of an expression is not used,
gdb_byte val[16];
struct type *type;
} typed_val_decfloat;
- struct symbol *sym;
struct type *tval;
struct stoken sval;
struct typed_stoken tsval;
struct ttype tsym;
struct symtoken ssym;
int voidval;
- struct block *bval;
+ const struct block *bval;
enum exp_opcode opcode;
- struct internalvar *ivar;
struct stoken_vector svec;
- struct type **tvec;
- int *ivec;
+ VEC (type_ptr) *tvec;
struct type_stack *type_stack;
+
+ struct objc_class_str theclass;
}
%{
/* YYSTYPE gets defined by %union */
-static int parse_number (char *, int, int, YYSTYPE *);
+static int parse_number (struct parser_state *par_state,
+ const char *, int, int, YYSTYPE *);
static struct stoken operator_stoken (const char *);
+static void check_parameter_typelist (VEC (type_ptr) *);
+static void write_destructor_name (struct parser_state *par_state,
+ struct stoken);
+
+#ifdef YYBISON
+static void c_print_token (FILE *file, int type, YYSTYPE value);
+#define YYPRINT(FILE, TYPE, VALUE) c_print_token (FILE, TYPE, VALUE)
+#endif
%}
%type <voidval> exp exp1 type_exp start variable qualified_name lcurly
%type <lval> rcurly
%type <tval> type typebase
-%type <tvec> nonempty_typelist
+%type <tvec> nonempty_typelist func_mod parameter_typelist
/* %type <bval> block */
/* Fancy type parsing. */
nonterminal "name", which matches either NAME or TYPENAME. */
%token <tsval> STRING
+%token <sval> NSSTRING /* ObjC Foundation "NSString" literal */
+%token SELECTOR /* ObjC "@selector" pseudo-operator */
%token <tsval> CHAR
%token <ssym> NAME /* BLOCKNAME defined below to give it higher precedence. */
%token <ssym> UNKNOWN_CPP_NAME
%token <voidval> COMPLETE
%token <tsym> TYPENAME
+%token <theclass> CLASSNAME /* ObjC Class name */
%type <sval> name
%type <svec> string_exp
%type <ssym> name_not_typename
-%type <tsym> typename
+%type <tsym> type_name
+
+ /* This is like a '[' token, but is only generated when parsing
+ Objective C. This lets us reuse the same parser without
+ erroneously parsing ObjC-specific expressions in C. */
+%token OBJC_LBRAC
/* A NAME_OR_INT is a symbol which is not known in the symbol table,
but which would parse as a valid number in the current input radix.
E.g. "c" when input_radix==16. Depending on the parse, it will be
turned into a name or into a number. */
-%token <ssym> NAME_OR_INT
+%token <ssym> NAME_OR_INT
%token OPERATOR
%token STRUCT CLASS UNION ENUM SIZEOF UNSIGNED COLONCOLON
%token TEMPLATE
%token ERROR
%token NEW DELETE
-%type <sval> operator
+%type <sval> oper
%token REINTERPRET_CAST DYNAMIC_CAST STATIC_CAST CONST_CAST
%token ENTRY
+%token TYPEOF
+%token DECLTYPE
+%token TYPEID
/* Special type cases, put in to allow the parser to distinguish different
legal basetypes. */
%left '+' '-'
%left '*' '/' '%'
%right UNARY INCREMENT DECREMENT
-%right ARROW ARROW_STAR '.' DOT_STAR '[' '('
-%token <ssym> BLOCKNAME
+%right ARROW ARROW_STAR '.' DOT_STAR '[' OBJC_LBRAC '('
+%token <ssym> BLOCKNAME
%token <bval> FILENAME
%type <bval> block
%left COLONCOLON
+%token DOTDOTDOT
+
\f
%%
;
type_exp: type
- { write_exp_elt_opcode(OP_TYPE);
- write_exp_elt_type($1);
- write_exp_elt_opcode(OP_TYPE);}
+ { write_exp_elt_opcode(pstate, OP_TYPE);
+ write_exp_elt_type(pstate, $1);
+ write_exp_elt_opcode(pstate, OP_TYPE);}
+ | TYPEOF '(' exp ')'
+ {
+ write_exp_elt_opcode (pstate, OP_TYPEOF);
+ }
+ | TYPEOF '(' type ')'
+ {
+ write_exp_elt_opcode (pstate, OP_TYPE);
+ write_exp_elt_type (pstate, $3);
+ write_exp_elt_opcode (pstate, OP_TYPE);
+ }
+ | DECLTYPE '(' exp ')'
+ {
+ write_exp_elt_opcode (pstate, OP_DECLTYPE);
+ }
;
/* Expressions, including the comma operator. */
exp1 : exp
| exp1 ',' exp
- { write_exp_elt_opcode (BINOP_COMMA); }
+ { write_exp_elt_opcode (pstate, BINOP_COMMA); }
;
/* Expressions, not including the comma operator. */
exp : '*' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_IND); }
+ { write_exp_elt_opcode (pstate, UNOP_IND); }
;
exp : '&' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_ADDR); }
+ { write_exp_elt_opcode (pstate, UNOP_ADDR); }
;
exp : '-' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_NEG); }
+ { write_exp_elt_opcode (pstate, UNOP_NEG); }
;
exp : '+' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_PLUS); }
+ { write_exp_elt_opcode (pstate, UNOP_PLUS); }
;
exp : '!' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_LOGICAL_NOT); }
+ { write_exp_elt_opcode (pstate, UNOP_LOGICAL_NOT); }
;
exp : '~' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_COMPLEMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_COMPLEMENT); }
;
exp : INCREMENT exp %prec UNARY
- { write_exp_elt_opcode (UNOP_PREINCREMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_PREINCREMENT); }
;
exp : DECREMENT exp %prec UNARY
- { write_exp_elt_opcode (UNOP_PREDECREMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_PREDECREMENT); }
;
exp : exp INCREMENT %prec UNARY
- { write_exp_elt_opcode (UNOP_POSTINCREMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_POSTINCREMENT); }
;
exp : exp DECREMENT %prec UNARY
- { write_exp_elt_opcode (UNOP_POSTDECREMENT); }
+ { write_exp_elt_opcode (pstate, UNOP_POSTDECREMENT); }
+ ;
+
+exp : TYPEID '(' exp ')' %prec UNARY
+ { write_exp_elt_opcode (pstate, OP_TYPEID); }
+ ;
+
+exp : TYPEID '(' type_exp ')' %prec UNARY
+ { write_exp_elt_opcode (pstate, OP_TYPEID); }
;
exp : SIZEOF exp %prec UNARY
- { write_exp_elt_opcode (UNOP_SIZEOF); }
+ { write_exp_elt_opcode (pstate, UNOP_SIZEOF); }
;
exp : exp ARROW name
- { write_exp_elt_opcode (STRUCTOP_PTR);
- write_exp_string ($3);
- write_exp_elt_opcode (STRUCTOP_PTR); }
+ { write_exp_elt_opcode (pstate, STRUCTOP_PTR);
+ write_exp_string (pstate, $3);
+ write_exp_elt_opcode (pstate, STRUCTOP_PTR); }
;
exp : exp ARROW name COMPLETE
- { mark_struct_expression ();
- write_exp_elt_opcode (STRUCTOP_PTR);
- write_exp_string ($3);
- write_exp_elt_opcode (STRUCTOP_PTR); }
+ { mark_struct_expression (pstate);
+ write_exp_elt_opcode (pstate, STRUCTOP_PTR);
+ write_exp_string (pstate, $3);
+ write_exp_elt_opcode (pstate, STRUCTOP_PTR); }
;
exp : exp ARROW COMPLETE
{ struct stoken s;
- mark_struct_expression ();
- write_exp_elt_opcode (STRUCTOP_PTR);
+ mark_struct_expression (pstate);
+ write_exp_elt_opcode (pstate, STRUCTOP_PTR);
s.ptr = "";
s.length = 0;
- write_exp_string (s);
- write_exp_elt_opcode (STRUCTOP_PTR); }
+ write_exp_string (pstate, s);
+ write_exp_elt_opcode (pstate, STRUCTOP_PTR); }
+ ;
+
+exp : exp ARROW '~' name
+ { write_exp_elt_opcode (pstate, STRUCTOP_PTR);
+ write_destructor_name (pstate, $4);
+ write_exp_elt_opcode (pstate, STRUCTOP_PTR); }
+ ;
+
+exp : exp ARROW '~' name COMPLETE
+ { mark_struct_expression (pstate);
+ write_exp_elt_opcode (pstate, STRUCTOP_PTR);
+ write_destructor_name (pstate, $4);
+ write_exp_elt_opcode (pstate, STRUCTOP_PTR); }
;
exp : exp ARROW qualified_name
{ /* exp->type::name becomes exp->*(&type::name) */
/* Note: this doesn't work if name is a
static member! FIXME */
- write_exp_elt_opcode (UNOP_ADDR);
- write_exp_elt_opcode (STRUCTOP_MPTR); }
+ write_exp_elt_opcode (pstate, UNOP_ADDR);
+ write_exp_elt_opcode (pstate, STRUCTOP_MPTR); }
;
exp : exp ARROW_STAR exp
- { write_exp_elt_opcode (STRUCTOP_MPTR); }
+ { write_exp_elt_opcode (pstate, STRUCTOP_MPTR); }
;
exp : exp '.' name
- { write_exp_elt_opcode (STRUCTOP_STRUCT);
- write_exp_string ($3);
- write_exp_elt_opcode (STRUCTOP_STRUCT); }
+ { write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+ write_exp_string (pstate, $3);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
;
exp : exp '.' name COMPLETE
- { mark_struct_expression ();
- write_exp_elt_opcode (STRUCTOP_STRUCT);
- write_exp_string ($3);
- write_exp_elt_opcode (STRUCTOP_STRUCT); }
+ { mark_struct_expression (pstate);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+ write_exp_string (pstate, $3);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
;
exp : exp '.' COMPLETE
{ struct stoken s;
- mark_struct_expression ();
- write_exp_elt_opcode (STRUCTOP_STRUCT);
+ mark_struct_expression (pstate);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
s.ptr = "";
s.length = 0;
- write_exp_string (s);
- write_exp_elt_opcode (STRUCTOP_STRUCT); }
+ write_exp_string (pstate, s);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
+ ;
+
+exp : exp '.' '~' name
+ { write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+ write_destructor_name (pstate, $4);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
+ ;
+
+exp : exp '.' '~' name COMPLETE
+ { mark_struct_expression (pstate);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+ write_destructor_name (pstate, $4);
+ write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
;
exp : exp '.' qualified_name
{ /* exp.type::name becomes exp.*(&type::name) */
/* Note: this doesn't work if name is a
static member! FIXME */
- write_exp_elt_opcode (UNOP_ADDR);
- write_exp_elt_opcode (STRUCTOP_MEMBER); }
+ write_exp_elt_opcode (pstate, UNOP_ADDR);
+ write_exp_elt_opcode (pstate, STRUCTOP_MEMBER); }
;
exp : exp DOT_STAR exp
- { write_exp_elt_opcode (STRUCTOP_MEMBER); }
+ { write_exp_elt_opcode (pstate, STRUCTOP_MEMBER); }
;
exp : exp '[' exp1 ']'
- { write_exp_elt_opcode (BINOP_SUBSCRIPT); }
+ { write_exp_elt_opcode (pstate, BINOP_SUBSCRIPT); }
+ ;
+
+exp : exp OBJC_LBRAC exp1 ']'
+ { write_exp_elt_opcode (pstate, BINOP_SUBSCRIPT); }
+ ;
+
+/*
+ * The rules below parse ObjC message calls of the form:
+ * '[' target selector {':' argument}* ']'
+ */
+
+exp : OBJC_LBRAC TYPENAME
+ {
+ CORE_ADDR theclass;
+
+ theclass = lookup_objc_class (parse_gdbarch (pstate),
+ copy_name ($2.stoken));
+ if (theclass == 0)
+ error (_("%s is not an ObjC Class"),
+ copy_name ($2.stoken));
+ write_exp_elt_opcode (pstate, OP_LONG);
+ write_exp_elt_type (pstate,
+ parse_type (pstate)->builtin_int);
+ write_exp_elt_longcst (pstate, (LONGEST) theclass);
+ write_exp_elt_opcode (pstate, OP_LONG);
+ start_msglist();
+ }
+ msglist ']'
+ { write_exp_elt_opcode (pstate, OP_OBJC_MSGCALL);
+ end_msglist (pstate);
+ write_exp_elt_opcode (pstate, OP_OBJC_MSGCALL);
+ }
+ ;
+
+exp : OBJC_LBRAC CLASSNAME
+ {
+ write_exp_elt_opcode (pstate, OP_LONG);
+ write_exp_elt_type (pstate,
+ parse_type (pstate)->builtin_int);
+ write_exp_elt_longcst (pstate, (LONGEST) $2.theclass);
+ write_exp_elt_opcode (pstate, OP_LONG);
+ start_msglist();
+ }
+ msglist ']'
+ { write_exp_elt_opcode (pstate, OP_OBJC_MSGCALL);
+ end_msglist (pstate);
+ write_exp_elt_opcode (pstate, OP_OBJC_MSGCALL);
+ }
+ ;
+
+exp : OBJC_LBRAC exp
+ { start_msglist(); }
+ msglist ']'
+ { write_exp_elt_opcode (pstate, OP_OBJC_MSGCALL);
+ end_msglist (pstate);
+ write_exp_elt_opcode (pstate, OP_OBJC_MSGCALL);
+ }
+ ;
+
+msglist : name
+ { add_msglist(&$1, 0); }
+ | msgarglist
;
-exp : exp '('
+msgarglist : msgarg
+ | msgarglist msgarg
+ ;
+
+msgarg : name ':' exp
+ { add_msglist(&$1, 1); }
+ | ':' exp /* Unnamed arg. */
+ { add_msglist(0, 1); }
+ | ',' exp /* Variable number of args. */
+ { add_msglist(0, 0); }
+ ;
+
+exp : exp '('
/* This is to save the value of arglist_len
being accumulated by an outer function call. */
{ start_arglist (); }
arglist ')' %prec ARROW
- { write_exp_elt_opcode (OP_FUNCALL);
- write_exp_elt_longcst ((LONGEST) end_arglist ());
- write_exp_elt_opcode (OP_FUNCALL); }
+ { write_exp_elt_opcode (pstate, OP_FUNCALL);
+ write_exp_elt_longcst (pstate,
+ (LONGEST) end_arglist ());
+ write_exp_elt_opcode (pstate, OP_FUNCALL); }
;
exp : UNKNOWN_CPP_NAME '('
{
/* This could potentially be a an argument defined
lookup function (Koenig). */
- write_exp_elt_opcode (OP_ADL_FUNC);
- write_exp_elt_block (expression_context_block);
- write_exp_elt_sym (NULL); /* Placeholder. */
- write_exp_string ($1.stoken);
- write_exp_elt_opcode (OP_ADL_FUNC);
+ write_exp_elt_opcode (pstate, OP_ADL_FUNC);
+ write_exp_elt_block (pstate,
+ expression_context_block);
+ write_exp_elt_sym (pstate,
+ NULL); /* Placeholder. */
+ write_exp_string (pstate, $1.stoken);
+ write_exp_elt_opcode (pstate, OP_ADL_FUNC);
/* This is to save the value of arglist_len
being accumulated by an outer function call. */
}
arglist ')' %prec ARROW
{
- write_exp_elt_opcode (OP_FUNCALL);
- write_exp_elt_longcst ((LONGEST) end_arglist ());
- write_exp_elt_opcode (OP_FUNCALL);
+ write_exp_elt_opcode (pstate, OP_FUNCALL);
+ write_exp_elt_longcst (pstate,
+ (LONGEST) end_arglist ());
+ write_exp_elt_opcode (pstate, OP_FUNCALL);
}
;
{ arglist_len++; }
;
-exp : exp '(' nonempty_typelist ')' const_or_volatile
+exp : exp '(' parameter_typelist ')' const_or_volatile
{ int i;
- write_exp_elt_opcode (TYPE_INSTANCE);
- write_exp_elt_longcst ((LONGEST) $<ivec>3[0]);
- for (i = 0; i < $<ivec>3[0]; ++i)
- write_exp_elt_type ($<tvec>3[i + 1]);
- write_exp_elt_longcst((LONGEST) $<ivec>3[0]);
- write_exp_elt_opcode (TYPE_INSTANCE);
- free ($3);
+ VEC (type_ptr) *type_list = $3;
+ struct type *type_elt;
+ LONGEST len = VEC_length (type_ptr, type_list);
+
+ write_exp_elt_opcode (pstate, TYPE_INSTANCE);
+ write_exp_elt_longcst (pstate, len);
+ for (i = 0;
+ VEC_iterate (type_ptr, type_list, i, type_elt);
+ ++i)
+ write_exp_elt_type (pstate, type_elt);
+ write_exp_elt_longcst(pstate, len);
+ write_exp_elt_opcode (pstate, TYPE_INSTANCE);
+ VEC_free (type_ptr, type_list);
}
;
{ $$ = end_arglist () - 1; }
;
exp : lcurly arglist rcurly %prec ARROW
- { write_exp_elt_opcode (OP_ARRAY);
- write_exp_elt_longcst ((LONGEST) 0);
- write_exp_elt_longcst ((LONGEST) $3);
- write_exp_elt_opcode (OP_ARRAY); }
+ { write_exp_elt_opcode (pstate, OP_ARRAY);
+ write_exp_elt_longcst (pstate, (LONGEST) 0);
+ write_exp_elt_longcst (pstate, (LONGEST) $3);
+ write_exp_elt_opcode (pstate, OP_ARRAY); }
;
-exp : lcurly type rcurly exp %prec UNARY
- { write_exp_elt_opcode (UNOP_MEMVAL);
- write_exp_elt_type ($2);
- write_exp_elt_opcode (UNOP_MEMVAL); }
+exp : lcurly type_exp rcurly exp %prec UNARY
+ { write_exp_elt_opcode (pstate, UNOP_MEMVAL_TYPE); }
;
-exp : '(' type ')' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_CAST);
- write_exp_elt_type ($2);
- write_exp_elt_opcode (UNOP_CAST); }
+exp : '(' type_exp ')' exp %prec UNARY
+ { write_exp_elt_opcode (pstate, UNOP_CAST_TYPE); }
;
exp : '(' exp1 ')'
/* Binary operators in order of decreasing precedence. */
exp : exp '@' exp
- { write_exp_elt_opcode (BINOP_REPEAT); }
+ { write_exp_elt_opcode (pstate, BINOP_REPEAT); }
;
exp : exp '*' exp
- { write_exp_elt_opcode (BINOP_MUL); }
+ { write_exp_elt_opcode (pstate, BINOP_MUL); }
;
exp : exp '/' exp
- { write_exp_elt_opcode (BINOP_DIV); }
+ { write_exp_elt_opcode (pstate, BINOP_DIV); }
;
exp : exp '%' exp
- { write_exp_elt_opcode (BINOP_REM); }
+ { write_exp_elt_opcode (pstate, BINOP_REM); }
;
exp : exp '+' exp
- { write_exp_elt_opcode (BINOP_ADD); }
+ { write_exp_elt_opcode (pstate, BINOP_ADD); }
;
exp : exp '-' exp
- { write_exp_elt_opcode (BINOP_SUB); }
+ { write_exp_elt_opcode (pstate, BINOP_SUB); }
;
exp : exp LSH exp
- { write_exp_elt_opcode (BINOP_LSH); }
+ { write_exp_elt_opcode (pstate, BINOP_LSH); }
;
exp : exp RSH exp
- { write_exp_elt_opcode (BINOP_RSH); }
+ { write_exp_elt_opcode (pstate, BINOP_RSH); }
;
exp : exp EQUAL exp
- { write_exp_elt_opcode (BINOP_EQUAL); }
+ { write_exp_elt_opcode (pstate, BINOP_EQUAL); }
;
exp : exp NOTEQUAL exp
- { write_exp_elt_opcode (BINOP_NOTEQUAL); }
+ { write_exp_elt_opcode (pstate, BINOP_NOTEQUAL); }
;
exp : exp LEQ exp
- { write_exp_elt_opcode (BINOP_LEQ); }
+ { write_exp_elt_opcode (pstate, BINOP_LEQ); }
;
exp : exp GEQ exp
- { write_exp_elt_opcode (BINOP_GEQ); }
+ { write_exp_elt_opcode (pstate, BINOP_GEQ); }
;
exp : exp '<' exp
- { write_exp_elt_opcode (BINOP_LESS); }
+ { write_exp_elt_opcode (pstate, BINOP_LESS); }
;
exp : exp '>' exp
- { write_exp_elt_opcode (BINOP_GTR); }
+ { write_exp_elt_opcode (pstate, BINOP_GTR); }
;
exp : exp '&' exp
- { write_exp_elt_opcode (BINOP_BITWISE_AND); }
+ { write_exp_elt_opcode (pstate, BINOP_BITWISE_AND); }
;
exp : exp '^' exp
- { write_exp_elt_opcode (BINOP_BITWISE_XOR); }
+ { write_exp_elt_opcode (pstate, BINOP_BITWISE_XOR); }
;
exp : exp '|' exp
- { write_exp_elt_opcode (BINOP_BITWISE_IOR); }
+ { write_exp_elt_opcode (pstate, BINOP_BITWISE_IOR); }
;
exp : exp ANDAND exp
- { write_exp_elt_opcode (BINOP_LOGICAL_AND); }
+ { write_exp_elt_opcode (pstate, BINOP_LOGICAL_AND); }
;
exp : exp OROR exp
- { write_exp_elt_opcode (BINOP_LOGICAL_OR); }
+ { write_exp_elt_opcode (pstate, BINOP_LOGICAL_OR); }
;
exp : exp '?' exp ':' exp %prec '?'
- { write_exp_elt_opcode (TERNOP_COND); }
+ { write_exp_elt_opcode (pstate, TERNOP_COND); }
;
-
+
exp : exp '=' exp
- { write_exp_elt_opcode (BINOP_ASSIGN); }
+ { write_exp_elt_opcode (pstate, BINOP_ASSIGN); }
;
exp : exp ASSIGN_MODIFY exp
- { write_exp_elt_opcode (BINOP_ASSIGN_MODIFY);
- write_exp_elt_opcode ($2);
- write_exp_elt_opcode (BINOP_ASSIGN_MODIFY); }
+ { write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY);
+ write_exp_elt_opcode (pstate, $2);
+ write_exp_elt_opcode (pstate,
+ BINOP_ASSIGN_MODIFY); }
;
exp : INT
- { write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type ($1.type);
- write_exp_elt_longcst ((LONGEST)($1.val));
- write_exp_elt_opcode (OP_LONG); }
+ { write_exp_elt_opcode (pstate, OP_LONG);
+ write_exp_elt_type (pstate, $1.type);
+ write_exp_elt_longcst (pstate, (LONGEST) ($1.val));
+ write_exp_elt_opcode (pstate, OP_LONG); }
;
exp : CHAR
struct stoken_vector vec;
vec.len = 1;
vec.tokens = &$1;
- write_exp_string_vector ($1.type, &vec);
+ write_exp_string_vector (pstate, $1.type, &vec);
}
;
exp : NAME_OR_INT
{ YYSTYPE val;
- parse_number ($1.stoken.ptr, $1.stoken.length, 0, &val);
- write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (val.typed_val_int.type);
- write_exp_elt_longcst ((LONGEST)val.typed_val_int.val);
- write_exp_elt_opcode (OP_LONG);
+ parse_number (pstate, $1.stoken.ptr,
+ $1.stoken.length, 0, &val);
+ write_exp_elt_opcode (pstate, OP_LONG);
+ write_exp_elt_type (pstate, val.typed_val_int.type);
+ write_exp_elt_longcst (pstate,
+ (LONGEST) val.typed_val_int.val);
+ write_exp_elt_opcode (pstate, OP_LONG);
}
;
exp : FLOAT
- { write_exp_elt_opcode (OP_DOUBLE);
- write_exp_elt_type ($1.type);
- write_exp_elt_dblcst ($1.dval);
- write_exp_elt_opcode (OP_DOUBLE); }
+ { write_exp_elt_opcode (pstate, OP_DOUBLE);
+ write_exp_elt_type (pstate, $1.type);
+ write_exp_elt_dblcst (pstate, $1.dval);
+ write_exp_elt_opcode (pstate, OP_DOUBLE); }
;
exp : DECFLOAT
- { write_exp_elt_opcode (OP_DECFLOAT);
- write_exp_elt_type ($1.type);
- write_exp_elt_decfloatcst ($1.val);
- write_exp_elt_opcode (OP_DECFLOAT); }
+ { write_exp_elt_opcode (pstate, OP_DECFLOAT);
+ write_exp_elt_type (pstate, $1.type);
+ write_exp_elt_decfloatcst (pstate, $1.val);
+ write_exp_elt_opcode (pstate, OP_DECFLOAT); }
;
exp : variable
exp : VARIABLE
{
- write_dollar_variable ($1);
+ write_dollar_variable (pstate, $1);
}
;
+exp : SELECTOR '(' name ')'
+ {
+ write_exp_elt_opcode (pstate, OP_OBJC_SELECTOR);
+ write_exp_string (pstate, $3);
+ write_exp_elt_opcode (pstate, OP_OBJC_SELECTOR); }
+ ;
+
exp : SIZEOF '(' type ')' %prec UNARY
- { write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (lookup_signed_typename
- (parse_language, parse_gdbarch,
+ { struct type *type = $3;
+ write_exp_elt_opcode (pstate, OP_LONG);
+ write_exp_elt_type (pstate, lookup_signed_typename
+ (parse_language (pstate),
+ parse_gdbarch (pstate),
"int"));
- CHECK_TYPEDEF ($3);
- write_exp_elt_longcst ((LONGEST) TYPE_LENGTH ($3));
- write_exp_elt_opcode (OP_LONG); }
+ CHECK_TYPEDEF (type);
+
+ /* $5.3.3/2 of the C++ Standard (n3290 draft)
+ says of sizeof: "When applied to a reference
+ or a reference type, the result is the size of
+ the referenced type." */
+ if (TYPE_CODE (type) == TYPE_CODE_REF)
+ type = check_typedef (TYPE_TARGET_TYPE (type));
+ write_exp_elt_longcst (pstate,
+ (LONGEST) TYPE_LENGTH (type));
+ write_exp_elt_opcode (pstate, OP_LONG); }
;
-exp : REINTERPRET_CAST '<' type '>' '(' exp ')' %prec UNARY
- { write_exp_elt_opcode (UNOP_REINTERPRET_CAST);
- write_exp_elt_type ($3);
- write_exp_elt_opcode (UNOP_REINTERPRET_CAST); }
+exp : REINTERPRET_CAST '<' type_exp '>' '(' exp ')' %prec UNARY
+ { write_exp_elt_opcode (pstate,
+ UNOP_REINTERPRET_CAST); }
;
-exp : STATIC_CAST '<' type '>' '(' exp ')' %prec UNARY
- { write_exp_elt_opcode (UNOP_CAST);
- write_exp_elt_type ($3);
- write_exp_elt_opcode (UNOP_CAST); }
+exp : STATIC_CAST '<' type_exp '>' '(' exp ')' %prec UNARY
+ { write_exp_elt_opcode (pstate, UNOP_CAST_TYPE); }
;
-exp : DYNAMIC_CAST '<' type '>' '(' exp ')' %prec UNARY
- { write_exp_elt_opcode (UNOP_DYNAMIC_CAST);
- write_exp_elt_type ($3);
- write_exp_elt_opcode (UNOP_DYNAMIC_CAST); }
+exp : DYNAMIC_CAST '<' type_exp '>' '(' exp ')' %prec UNARY
+ { write_exp_elt_opcode (pstate, UNOP_DYNAMIC_CAST); }
;
-exp : CONST_CAST '<' type '>' '(' exp ')' %prec UNARY
+exp : CONST_CAST '<' type_exp '>' '(' exp ')' %prec UNARY
{ /* We could do more error checking here, but
it doesn't seem worthwhile. */
- write_exp_elt_opcode (UNOP_CAST);
- write_exp_elt_type ($3);
- write_exp_elt_opcode (UNOP_CAST); }
+ write_exp_elt_opcode (pstate, UNOP_CAST_TYPE); }
;
string_exp:
}
}
- write_exp_string_vector (type, &$1);
+ write_exp_string_vector (pstate, type, &$1);
for (i = 0; i < $1.len; ++i)
free ($1.tokens[i].ptr);
free ($1.tokens);
}
;
+exp : NSSTRING /* ObjC NextStep NSString constant
+ * of the form '@' '"' string '"'.
+ */
+ { write_exp_elt_opcode (pstate, OP_OBJC_NSSTRING);
+ write_exp_string (pstate, $1);
+ write_exp_elt_opcode (pstate, OP_OBJC_NSSTRING); }
+ ;
+
/* C++. */
-exp : TRUEKEYWORD
- { write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (parse_type->builtin_bool);
- write_exp_elt_longcst ((LONGEST) 1);
- write_exp_elt_opcode (OP_LONG); }
+exp : TRUEKEYWORD
+ { write_exp_elt_opcode (pstate, OP_LONG);
+ write_exp_elt_type (pstate,
+ parse_type (pstate)->builtin_bool);
+ write_exp_elt_longcst (pstate, (LONGEST) 1);
+ write_exp_elt_opcode (pstate, OP_LONG); }
;
-exp : FALSEKEYWORD
- { write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (parse_type->builtin_bool);
- write_exp_elt_longcst ((LONGEST) 0);
- write_exp_elt_opcode (OP_LONG); }
+exp : FALSEKEYWORD
+ { write_exp_elt_opcode (pstate, OP_LONG);
+ write_exp_elt_type (pstate,
+ parse_type (pstate)->builtin_bool);
+ write_exp_elt_longcst (pstate, (LONGEST) 0);
+ write_exp_elt_opcode (pstate, OP_LONG); }
;
/* end of C++. */
block : block COLONCOLON name
{ struct symbol *tem
= lookup_symbol (copy_name ($3), $1,
- VAR_DOMAIN, (int *) NULL);
+ VAR_DOMAIN, NULL);
if (!tem || SYMBOL_CLASS (tem) != LOC_BLOCK)
error (_("No function \"%s\" in specified context."),
copy_name ($3));
"parameters, not for \"%s\""),
copy_name ($1.stoken));
- write_exp_elt_opcode (OP_VAR_ENTRY_VALUE);
- write_exp_elt_sym (sym);
- write_exp_elt_opcode (OP_VAR_ENTRY_VALUE);
+ write_exp_elt_opcode (pstate, OP_VAR_ENTRY_VALUE);
+ write_exp_elt_sym (pstate, sym);
+ write_exp_elt_opcode (pstate, OP_VAR_ENTRY_VALUE);
}
;
variable: block COLONCOLON name
{ struct symbol *sym;
sym = lookup_symbol (copy_name ($3), $1,
- VAR_DOMAIN, (int *) NULL);
+ VAR_DOMAIN, NULL);
if (sym == 0)
error (_("No symbol \"%s\" in specified context."),
copy_name ($3));
innermost_block = block_found;
}
- write_exp_elt_opcode (OP_VAR_VALUE);
+ write_exp_elt_opcode (pstate, OP_VAR_VALUE);
/* block_found is set by lookup_symbol. */
- write_exp_elt_block (block_found);
- write_exp_elt_sym (sym);
- write_exp_elt_opcode (OP_VAR_VALUE); }
+ write_exp_elt_block (pstate, block_found);
+ write_exp_elt_sym (pstate, sym);
+ write_exp_elt_opcode (pstate, OP_VAR_VALUE); }
;
qualified_name: TYPENAME COLONCOLON name
{
struct type *type = $1.type;
CHECK_TYPEDEF (type);
- if (TYPE_CODE (type) != TYPE_CODE_STRUCT
- && TYPE_CODE (type) != TYPE_CODE_UNION
- && TYPE_CODE (type) != TYPE_CODE_NAMESPACE)
+ if (!type_aggregate_p (type))
error (_("`%s' is not defined as an aggregate type."),
- TYPE_NAME (type));
+ TYPE_SAFE_NAME (type));
- write_exp_elt_opcode (OP_SCOPE);
- write_exp_elt_type (type);
- write_exp_string ($3);
- write_exp_elt_opcode (OP_SCOPE);
+ write_exp_elt_opcode (pstate, OP_SCOPE);
+ write_exp_elt_type (pstate, type);
+ write_exp_string (pstate, $3);
+ write_exp_elt_opcode (pstate, OP_SCOPE);
}
| TYPENAME COLONCOLON '~' name
{
struct type *type = $1.type;
struct stoken tmp_token;
+ char *buf;
+
CHECK_TYPEDEF (type);
- if (TYPE_CODE (type) != TYPE_CODE_STRUCT
- && TYPE_CODE (type) != TYPE_CODE_UNION
- && TYPE_CODE (type) != TYPE_CODE_NAMESPACE)
+ if (!type_aggregate_p (type))
error (_("`%s' is not defined as an aggregate type."),
- TYPE_NAME (type));
-
- tmp_token.ptr = (char*) alloca ($4.length + 2);
+ TYPE_SAFE_NAME (type));
+ buf = alloca ($4.length + 2);
+ tmp_token.ptr = buf;
tmp_token.length = $4.length + 1;
- tmp_token.ptr[0] = '~';
- memcpy (tmp_token.ptr+1, $4.ptr, $4.length);
- tmp_token.ptr[tmp_token.length] = 0;
+ buf[0] = '~';
+ memcpy (buf+1, $4.ptr, $4.length);
+ buf[tmp_token.length] = 0;
/* Check for valid destructor name. */
destructor_name_p (tmp_token.ptr, $1.type);
- write_exp_elt_opcode (OP_SCOPE);
- write_exp_elt_type (type);
- write_exp_string (tmp_token);
- write_exp_elt_opcode (OP_SCOPE);
+ write_exp_elt_opcode (pstate, OP_SCOPE);
+ write_exp_elt_type (pstate, type);
+ write_exp_string (pstate, tmp_token);
+ write_exp_elt_opcode (pstate, OP_SCOPE);
}
| TYPENAME COLONCOLON name COLONCOLON name
{
char *copy = copy_name ($3);
error (_("No type \"%s\" within class "
"or namespace \"%s\"."),
- copy, TYPE_NAME ($1.type));
+ copy, TYPE_SAFE_NAME ($1.type));
}
;
{
char *name = copy_name ($2.stoken);
struct symbol *sym;
- struct minimal_symbol *msymbol;
+ struct bound_minimal_symbol msymbol;
sym =
lookup_symbol (name, (const struct block *) NULL,
- VAR_DOMAIN, (int *) NULL);
+ VAR_DOMAIN, NULL);
if (sym)
{
- write_exp_elt_opcode (OP_VAR_VALUE);
- write_exp_elt_block (NULL);
- write_exp_elt_sym (sym);
- write_exp_elt_opcode (OP_VAR_VALUE);
+ write_exp_elt_opcode (pstate, OP_VAR_VALUE);
+ write_exp_elt_block (pstate, NULL);
+ write_exp_elt_sym (pstate, sym);
+ write_exp_elt_opcode (pstate, OP_VAR_VALUE);
break;
}
- msymbol = lookup_minimal_symbol (name, NULL, NULL);
- if (msymbol != NULL)
- write_exp_msymbol (msymbol);
+ msymbol = lookup_bound_minimal_symbol (name);
+ if (msymbol.minsym != NULL)
+ write_exp_msymbol (pstate, msymbol);
else if (!have_full_symbols () && !have_partial_symbols ())
error (_("No symbol table is loaded. Use the \"file\" command."));
else
if (symbol_read_needs_frame (sym))
{
if (innermost_block == 0
- || contained_in (block_found,
+ || contained_in (block_found,
innermost_block))
innermost_block = block_found;
}
- write_exp_elt_opcode (OP_VAR_VALUE);
+ write_exp_elt_opcode (pstate, OP_VAR_VALUE);
/* We want to use the selected frame, not
another more inner frame which happens to
be in the same block. */
- write_exp_elt_block (NULL);
- write_exp_elt_sym (sym);
- write_exp_elt_opcode (OP_VAR_VALUE);
+ write_exp_elt_block (pstate, NULL);
+ write_exp_elt_sym (pstate, sym);
+ write_exp_elt_opcode (pstate, OP_VAR_VALUE);
}
else if ($1.is_a_field_of_this)
{
|| contained_in (block_found,
innermost_block))
innermost_block = block_found;
- write_exp_elt_opcode (OP_THIS);
- write_exp_elt_opcode (OP_THIS);
- write_exp_elt_opcode (STRUCTOP_PTR);
- write_exp_string ($1.stoken);
- write_exp_elt_opcode (STRUCTOP_PTR);
+ write_exp_elt_opcode (pstate, OP_THIS);
+ write_exp_elt_opcode (pstate, OP_THIS);
+ write_exp_elt_opcode (pstate, STRUCTOP_PTR);
+ write_exp_string (pstate, $1.stoken);
+ write_exp_elt_opcode (pstate, STRUCTOP_PTR);
}
else
{
- struct minimal_symbol *msymbol;
+ struct bound_minimal_symbol msymbol;
char *arg = copy_name ($1.stoken);
msymbol =
- lookup_minimal_symbol (arg, NULL, NULL);
- if (msymbol != NULL)
- write_exp_msymbol (msymbol);
+ lookup_bound_minimal_symbol (arg);
+ if (msymbol.minsym != NULL)
+ write_exp_msymbol (pstate, msymbol);
else if (!have_full_symbols () && !have_partial_symbols ())
error (_("No symbol table is loaded. Use the \"file\" command."));
else
;
space_identifier : '@' NAME
- { insert_type_address_space (copy_name ($2.stoken)); }
+ { insert_type_address_space (pstate, copy_name ($2.stoken)); }
;
const_or_volatile: const_or_volatile_noopt
;
const_or_volatile_or_space_identifier_noopt: cv_with_space_id
- | const_or_volatile_noopt
+ | const_or_volatile_noopt
;
-const_or_volatile_or_space_identifier:
+const_or_volatile_or_space_identifier:
const_or_volatile_or_space_identifier_noopt
|
;
ptr_operator '*'
{ insert_type (tp_pointer); }
const_or_volatile_or_space_identifier
- | '*'
+ | '*'
{ insert_type (tp_pointer); }
const_or_volatile_or_space_identifier
| '&'
abs_decl: ptr_operator_ts direct_abs_decl
{ $$ = append_type_stack ($2, $1); }
- | ptr_operator_ts
+ | ptr_operator_ts
| direct_abs_decl
;
| direct_abs_decl func_mod
{
push_type_stack ($1);
- push_type (tp_function);
+ push_typelist ($2);
$$ = get_type_stack ();
}
| func_mod
{
- push_type (tp_function);
+ push_typelist ($1);
$$ = get_type_stack ();
}
;
array_mod: '[' ']'
{ $$ = -1; }
+ | OBJC_LBRAC ']'
+ { $$ = -1; }
| '[' INT ']'
{ $$ = $2.val; }
+ | OBJC_LBRAC INT ']'
+ { $$ = $2.val; }
;
func_mod: '(' ')'
- | '(' nonempty_typelist ')'
- { free ($2); }
+ { $$ = NULL; }
+ | '(' parameter_typelist ')'
+ { $$ = $2; }
;
/* We used to try to recognize pointer to member types here, but
: TYPENAME
{ $$ = $1.type; }
| INT_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"int"); }
| LONG
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long"); }
| SHORT
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"short"); }
| LONG INT_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long"); }
| LONG SIGNED_KEYWORD INT_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long"); }
| LONG SIGNED_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long"); }
| SIGNED_KEYWORD LONG INT_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long"); }
| UNSIGNED LONG INT_KEYWORD
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long"); }
| LONG UNSIGNED INT_KEYWORD
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long"); }
| LONG UNSIGNED
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long"); }
| LONG LONG
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long long"); }
| LONG LONG INT_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long long"); }
| LONG LONG SIGNED_KEYWORD INT_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long long"); }
| LONG LONG SIGNED_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long long"); }
| SIGNED_KEYWORD LONG LONG
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long long"); }
| SIGNED_KEYWORD LONG LONG INT_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long long"); }
| UNSIGNED LONG LONG
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long long"); }
| UNSIGNED LONG LONG INT_KEYWORD
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long long"); }
| LONG LONG UNSIGNED
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long long"); }
| LONG LONG UNSIGNED INT_KEYWORD
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long long"); }
| SHORT INT_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"short"); }
| SHORT SIGNED_KEYWORD INT_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"short"); }
| SHORT SIGNED_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"short"); }
| UNSIGNED SHORT INT_KEYWORD
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"short"); }
- | SHORT UNSIGNED
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ | SHORT UNSIGNED
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"short"); }
| SHORT UNSIGNED INT_KEYWORD
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"short"); }
| DOUBLE_KEYWORD
- { $$ = lookup_typename (parse_language, parse_gdbarch,
- "double", (struct block *) NULL,
+ { $$ = lookup_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
+ "double",
+ (struct block *) NULL,
0); }
| LONG DOUBLE_KEYWORD
- { $$ = lookup_typename (parse_language, parse_gdbarch,
+ { $$ = lookup_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long double",
- (struct block *) NULL, 0); }
+ (struct block *) NULL,
+ 0); }
| STRUCT name
{ $$ = lookup_struct (copy_name ($2),
expression_context_block); }
+ | STRUCT COMPLETE
+ {
+ mark_completion_tag (TYPE_CODE_STRUCT, "", 0);
+ $$ = NULL;
+ }
+ | STRUCT name COMPLETE
+ {
+ mark_completion_tag (TYPE_CODE_STRUCT, $2.ptr,
+ $2.length);
+ $$ = NULL;
+ }
| CLASS name
{ $$ = lookup_struct (copy_name ($2),
expression_context_block); }
+ | CLASS COMPLETE
+ {
+ mark_completion_tag (TYPE_CODE_STRUCT, "", 0);
+ $$ = NULL;
+ }
+ | CLASS name COMPLETE
+ {
+ mark_completion_tag (TYPE_CODE_STRUCT, $2.ptr,
+ $2.length);
+ $$ = NULL;
+ }
| UNION name
{ $$ = lookup_union (copy_name ($2),
expression_context_block); }
+ | UNION COMPLETE
+ {
+ mark_completion_tag (TYPE_CODE_UNION, "", 0);
+ $$ = NULL;
+ }
+ | UNION name COMPLETE
+ {
+ mark_completion_tag (TYPE_CODE_UNION, $2.ptr,
+ $2.length);
+ $$ = NULL;
+ }
| ENUM name
{ $$ = lookup_enum (copy_name ($2),
expression_context_block); }
- | UNSIGNED typename
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ | ENUM COMPLETE
+ {
+ mark_completion_tag (TYPE_CODE_ENUM, "", 0);
+ $$ = NULL;
+ }
+ | ENUM name COMPLETE
+ {
+ mark_completion_tag (TYPE_CODE_ENUM, $2.ptr,
+ $2.length);
+ $$ = NULL;
+ }
+ | UNSIGNED type_name
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
TYPE_NAME($2.type)); }
| UNSIGNED
- { $$ = lookup_unsigned_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_unsigned_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"int"); }
- | SIGNED_KEYWORD typename
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ | SIGNED_KEYWORD type_name
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
TYPE_NAME($2.type)); }
| SIGNED_KEYWORD
- { $$ = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ { $$ = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"int"); }
/* It appears that this rule for templates is never
reduced; template recognition happens by lookahead
- in the token processing code in yylex. */
+ in the token processing code in yylex. */
| TEMPLATE name '<' type '>'
{ $$ = lookup_template_type(copy_name($2), $4,
expression_context_block);
}
- | const_or_volatile_or_space_identifier_noopt typebase
+ | const_or_volatile_or_space_identifier_noopt typebase
{ $$ = follow_types ($2); }
- | typebase const_or_volatile_or_space_identifier_noopt
+ | typebase const_or_volatile_or_space_identifier_noopt
{ $$ = follow_types ($1); }
;
-typename: TYPENAME
+type_name: TYPENAME
| INT_KEYWORD
{
$$.stoken.ptr = "int";
$$.stoken.length = 3;
- $$.type = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ $$.type = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"int");
}
| LONG
{
$$.stoken.ptr = "long";
$$.stoken.length = 4;
- $$.type = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ $$.type = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"long");
}
| SHORT
{
$$.stoken.ptr = "short";
$$.stoken.length = 5;
- $$.type = lookup_signed_typename (parse_language,
- parse_gdbarch,
+ $$.type = lookup_signed_typename (parse_language (pstate),
+ parse_gdbarch (pstate),
"short");
}
;
+parameter_typelist:
+ nonempty_typelist
+ { check_parameter_typelist ($1); }
+ | nonempty_typelist ',' DOTDOTDOT
+ {
+ VEC_safe_push (type_ptr, $1, NULL);
+ check_parameter_typelist ($1);
+ $$ = $1;
+ }
+ ;
+
nonempty_typelist
: type
- { $$ = (struct type **) malloc (sizeof (struct type *) * 2);
- $<ivec>$[0] = 1; /* Number of types in vector */
- $$[1] = $1;
+ {
+ VEC (type_ptr) *typelist = NULL;
+ VEC_safe_push (type_ptr, typelist, $1);
+ $$ = typelist;
}
| nonempty_typelist ',' type
- { int len = sizeof (struct type *) * (++($<ivec>1[0]) + 1);
- $$ = (struct type **) realloc ((char *) $1, len);
- $$[$<ivec>$[0]] = $3;
+ {
+ VEC_safe_push (type_ptr, $1, $3);
+ $$ = $1;
}
;
| VOLATILE_KEYWORD CONST_KEYWORD
;
-const_or_volatile_noopt: const_and_volatile
+const_or_volatile_noopt: const_and_volatile
{ insert_type (tp_const);
- insert_type (tp_volatile);
+ insert_type (tp_volatile);
}
| CONST_KEYWORD
{ insert_type (tp_const); }
{ insert_type (tp_volatile); }
;
-operator: OPERATOR NEW
+oper: OPERATOR NEW
{ $$ = operator_stoken (" new"); }
| OPERATOR DELETE
{ $$ = operator_stoken (" delete"); }
{ $$ = operator_stoken (" new[]"); }
| OPERATOR DELETE '[' ']'
{ $$ = operator_stoken (" delete[]"); }
+ | OPERATOR NEW OBJC_LBRAC ']'
+ { $$ = operator_stoken (" new[]"); }
+ | OPERATOR DELETE OBJC_LBRAC ']'
+ { $$ = operator_stoken (" delete[]"); }
| OPERATOR '+'
{ $$ = operator_stoken ("+"); }
| OPERATOR '-'
{ $$ = operator_stoken ("()"); }
| OPERATOR '[' ']'
{ $$ = operator_stoken ("[]"); }
+ | OPERATOR OBJC_LBRAC ']'
+ { $$ = operator_stoken ("[]"); }
| OPERATOR conversion_type_id
{ char *name;
long length;
struct ui_file *buf = mem_fileopen ();
- c_print_type ($2, NULL, buf, -1, 0);
+ c_print_type ($2, NULL, buf, -1, 0,
+ &type_print_raw_options);
name = ui_file_xstrdup (buf, &length);
ui_file_delete (buf);
$$ = operator_stoken (name);
| TYPENAME { $$ = $1.stoken; }
| NAME_OR_INT { $$ = $1.stoken; }
| UNKNOWN_CPP_NAME { $$ = $1.stoken; }
- | operator { $$ = $1; }
+ | oper { $$ = $1; }
;
name_not_typename : NAME
context where only a name could occur, this might be useful.
| NAME_OR_INT
*/
- | operator
+ | oper
{
+ struct field_of_this_result is_a_field_of_this;
+
$$.stoken = $1;
$$.sym = lookup_symbol ($1.ptr,
expression_context_block,
VAR_DOMAIN,
- &$$.is_a_field_of_this);
+ &is_a_field_of_this);
+ $$.is_a_field_of_this
+ = is_a_field_of_this.type != NULL;
}
| UNKNOWN_CPP_NAME
;
%%
+/* Like write_exp_string, but prepends a '~'. */
+
+static void
+write_destructor_name (struct parser_state *par_state, struct stoken token)
+{
+ char *copy = alloca (token.length + 1);
+
+ copy[0] = '~';
+ memcpy (©[1], token.ptr, token.length);
+
+ token.ptr = copy;
+ ++token.length;
+
+ write_exp_string (par_state, token);
+}
+
/* Returns a stoken of the operator name given by OP (which does not
- include the string "operator"). */
+ include the string "operator"). */
+
static struct stoken
operator_stoken (const char *op)
{
static const char *operator_string = "operator";
struct stoken st = { NULL, 0 };
+ char *buf;
+
st.length = strlen (operator_string) + strlen (op);
- st.ptr = malloc (st.length + 1);
- strcpy (st.ptr, operator_string);
- strcat (st.ptr, op);
+ buf = malloc (st.length + 1);
+ strcpy (buf, operator_string);
+ strcat (buf, op);
+ st.ptr = buf;
/* The toplevel (c_parse) will free the memory allocated here. */
- make_cleanup (free, st.ptr);
+ make_cleanup (free, buf);
return st;
};
+/* Return true if the type is aggregate-like. */
+
+static int
+type_aggregate_p (struct type *type)
+{
+ return (TYPE_CODE (type) == TYPE_CODE_STRUCT
+ || TYPE_CODE (type) == TYPE_CODE_UNION
+ || TYPE_CODE (type) == TYPE_CODE_NAMESPACE
+ || (TYPE_CODE (type) == TYPE_CODE_ENUM
+ && TYPE_DECLARED_CLASS (type)));
+}
+
+/* Validate a parameter typelist. */
+
+static void
+check_parameter_typelist (VEC (type_ptr) *params)
+{
+ struct type *type;
+ int ix;
+
+ for (ix = 0; VEC_iterate (type_ptr, params, ix, type); ++ix)
+ {
+ if (type != NULL && TYPE_CODE (check_typedef (type)) == TYPE_CODE_VOID)
+ {
+ if (ix == 0)
+ {
+ if (VEC_length (type_ptr, params) == 1)
+ {
+ /* Ok. */
+ break;
+ }
+ VEC_free (type_ptr, params);
+ error (_("parameter types following 'void'"));
+ }
+ else
+ {
+ VEC_free (type_ptr, params);
+ error (_("'void' invalid as parameter type"));
+ }
+ }
+ }
+}
+
/* Take care of parsing a number (anything that starts with a digit).
Set yylval and return the token type; update lexptr.
LEN is the number of characters in it. */
/*** Needs some error checking for the float case ***/
static int
-parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere)
+parse_number (struct parser_state *par_state,
+ const char *buf, int len, int parsed_float, YYSTYPE *putithere)
{
/* FIXME: Shouldn't these be unsigned? We don't deal with negative values
here, and we do kind of silly things like cast to unsigned. */
ULONGEST high_bit;
struct type *signed_type;
struct type *unsigned_type;
+ char *p;
+
+ p = alloca (len);
+ memcpy (p, buf, len);
if (parsed_float)
{
{
p[len - 2] = '\0';
putithere->typed_val_decfloat.type
- = parse_type->builtin_decfloat;
+ = parse_type (par_state)->builtin_decfloat;
decimal_from_string (putithere->typed_val_decfloat.val, 4,
- gdbarch_byte_order (parse_gdbarch), p);
+ gdbarch_byte_order (parse_gdbarch (par_state)),
+ p);
p[len - 2] = 'd';
return DECFLOAT;
}
{
p[len - 2] = '\0';
putithere->typed_val_decfloat.type
- = parse_type->builtin_decdouble;
+ = parse_type (par_state)->builtin_decdouble;
decimal_from_string (putithere->typed_val_decfloat.val, 8,
- gdbarch_byte_order (parse_gdbarch), p);
+ gdbarch_byte_order (parse_gdbarch (par_state)),
+ p);
p[len - 2] = 'd';
return DECFLOAT;
}
{
p[len - 2] = '\0';
putithere->typed_val_decfloat.type
- = parse_type->builtin_declong;
+ = parse_type (par_state)->builtin_declong;
decimal_from_string (putithere->typed_val_decfloat.val, 16,
- gdbarch_byte_order (parse_gdbarch), p);
+ gdbarch_byte_order (parse_gdbarch (par_state)),
+ p);
p[len - 2] = 'd';
return DECFLOAT;
}
- if (! parse_c_float (parse_gdbarch, p, len,
+ if (! parse_c_float (parse_gdbarch (par_state), p, len,
&putithere->typed_val_float.dval,
&putithere->typed_val_float.type))
return ERROR;
}
/* Handle base-switching prefixes 0x, 0t, 0d, 0 */
- if (p[0] == '0')
+ if (p[0] == '0' && len > 1)
switch (p[1])
{
case 'x':
un = (ULONGEST)n >> 2;
if (long_p == 0
- && (un >> (gdbarch_int_bit (parse_gdbarch) - 2)) == 0)
+ && (un >> (gdbarch_int_bit (parse_gdbarch (par_state)) - 2)) == 0)
{
- high_bit = ((ULONGEST)1) << (gdbarch_int_bit (parse_gdbarch) - 1);
+ high_bit
+ = ((ULONGEST)1) << (gdbarch_int_bit (parse_gdbarch (par_state)) - 1);
/* A large decimal (not hex or octal) constant (between INT_MAX
and UINT_MAX) is a long or unsigned long, according to ANSI,
int. This probably should be fixed. GCC gives a warning on
such constants. */
- unsigned_type = parse_type->builtin_unsigned_int;
- signed_type = parse_type->builtin_int;
+ unsigned_type = parse_type (par_state)->builtin_unsigned_int;
+ signed_type = parse_type (par_state)->builtin_int;
}
else if (long_p <= 1
- && (un >> (gdbarch_long_bit (parse_gdbarch) - 2)) == 0)
+ && (un >> (gdbarch_long_bit (parse_gdbarch (par_state)) - 2)) == 0)
{
- high_bit = ((ULONGEST)1) << (gdbarch_long_bit (parse_gdbarch) - 1);
- unsigned_type = parse_type->builtin_unsigned_long;
- signed_type = parse_type->builtin_long;
+ high_bit
+ = ((ULONGEST)1) << (gdbarch_long_bit (parse_gdbarch (par_state)) - 1);
+ unsigned_type = parse_type (par_state)->builtin_unsigned_long;
+ signed_type = parse_type (par_state)->builtin_long;
}
else
{
int shift;
- if (sizeof (ULONGEST) * HOST_CHAR_BIT
- < gdbarch_long_long_bit (parse_gdbarch))
+ if (sizeof (ULONGEST) * HOST_CHAR_BIT
+ < gdbarch_long_long_bit (parse_gdbarch (par_state)))
/* A long long does not fit in a LONGEST. */
shift = (sizeof (ULONGEST) * HOST_CHAR_BIT - 1);
else
- shift = (gdbarch_long_long_bit (parse_gdbarch) - 1);
+ shift = (gdbarch_long_long_bit (parse_gdbarch (par_state)) - 1);
high_bit = (ULONGEST) 1 << shift;
- unsigned_type = parse_type->builtin_unsigned_long_long;
- signed_type = parse_type->builtin_long_long;
+ unsigned_type = parse_type (par_state)->builtin_unsigned_long_long;
+ signed_type = parse_type (par_state)->builtin_long_long;
}
putithere->typed_val_int.val = n;
/* If the high bit of the worked out type is set then this number
has to be unsigned. */
- if (unsigned_p || (n & high_bit))
+ if (unsigned_p || (n & high_bit))
{
putithere->typed_val_int.type = unsigned_type;
}
- else
+ else
{
putithere->typed_val_int.type = signed_type;
}
character was emitted, 0 otherwise. */
int
-c_parse_escape (char **ptr, struct obstack *output)
+c_parse_escape (const char **ptr, struct obstack *output)
{
- char *tokptr = *ptr;
+ const char *tokptr = *ptr;
int result = 1;
/* Some escape sequences undergo character set conversion. Those we
stored in VALUE. This returns a token value, either STRING or
CHAR, depending on what was parsed. *HOST_CHARS is set to the
number of host characters in the literal. */
+
static int
-parse_string_or_char (char *tokptr, char **outptr, struct typed_stoken *value,
- int *host_chars)
+parse_string_or_char (const char *tokptr, const char **outptr,
+ struct typed_stoken *value, int *host_chars)
{
int quote;
enum c_string_type type;
+ int is_objc = 0;
/* Build the gdb internal form of the input string in tempbuf. Note
that the buffer is null byte terminated *only* for the
type = C_STRING_32;
++tokptr;
}
+ else if (*tokptr == '@')
+ {
+ /* An Objective C string. */
+ is_objc = 1;
+ type = C_STRING;
+ ++tokptr;
+ }
else
type = C_STRING;
*outptr = tokptr;
- return quote == '"' ? STRING : CHAR;
+ return quote == '"' ? (is_objc ? NSSTRING : STRING) : CHAR;
}
+/* This is used to associate some attributes with a token. */
+
+enum token_flags
+{
+ /* If this bit is set, the token is C++-only. */
+
+ FLAG_CXX = 1,
+
+ /* If this bit is set, the token is conditional: if there is a
+ symbol of the same name, then the token is a symbol; otherwise,
+ the token is a keyword. */
+
+ FLAG_SHADOW = 2
+};
+
struct token
{
- char *operator;
+ char *oper;
int token;
enum exp_opcode opcode;
- int cxx_only;
+ enum token_flags flags;
};
static const struct token tokentab3[] =
{
{">>=", ASSIGN_MODIFY, BINOP_RSH, 0},
{"<<=", ASSIGN_MODIFY, BINOP_LSH, 0},
- {"->*", ARROW_STAR, BINOP_END, 1}
+ {"->*", ARROW_STAR, BINOP_END, FLAG_CXX},
+ {"...", DOTDOTDOT, BINOP_END, 0}
};
static const struct token tokentab2[] =
{"!=", NOTEQUAL, BINOP_END, 0},
{"<=", LEQ, BINOP_END, 0},
{">=", GEQ, BINOP_END, 0},
- {".*", DOT_STAR, BINOP_END, 1}
+ {".*", DOT_STAR, BINOP_END, FLAG_CXX}
};
/* Identifier-like tokens. */
static const struct token ident_tokens[] =
{
{"unsigned", UNSIGNED, OP_NULL, 0},
- {"template", TEMPLATE, OP_NULL, 1},
+ {"template", TEMPLATE, OP_NULL, FLAG_CXX},
{"volatile", VOLATILE_KEYWORD, OP_NULL, 0},
{"struct", STRUCT, OP_NULL, 0},
{"signed", SIGNED_KEYWORD, OP_NULL, 0},
{"sizeof", SIZEOF, OP_NULL, 0},
{"double", DOUBLE_KEYWORD, OP_NULL, 0},
- {"false", FALSEKEYWORD, OP_NULL, 1},
- {"class", CLASS, OP_NULL, 1},
+ {"false", FALSEKEYWORD, OP_NULL, FLAG_CXX},
+ {"class", CLASS, OP_NULL, FLAG_CXX},
{"union", UNION, OP_NULL, 0},
{"short", SHORT, OP_NULL, 0},
{"const", CONST_KEYWORD, OP_NULL, 0},
{"enum", ENUM, OP_NULL, 0},
{"long", LONG, OP_NULL, 0},
- {"true", TRUEKEYWORD, OP_NULL, 1},
+ {"true", TRUEKEYWORD, OP_NULL, FLAG_CXX},
{"int", INT_KEYWORD, OP_NULL, 0},
- {"new", NEW, OP_NULL, 1},
- {"delete", DELETE, OP_NULL, 1},
- {"operator", OPERATOR, OP_NULL, 1},
-
- {"and", ANDAND, BINOP_END, 1},
- {"and_eq", ASSIGN_MODIFY, BINOP_BITWISE_AND, 1},
- {"bitand", '&', OP_NULL, 1},
- {"bitor", '|', OP_NULL, 1},
- {"compl", '~', OP_NULL, 1},
- {"not", '!', OP_NULL, 1},
- {"not_eq", NOTEQUAL, BINOP_END, 1},
- {"or", OROR, BINOP_END, 1},
- {"or_eq", ASSIGN_MODIFY, BINOP_BITWISE_IOR, 1},
- {"xor", '^', OP_NULL, 1},
- {"xor_eq", ASSIGN_MODIFY, BINOP_BITWISE_XOR, 1},
-
- {"const_cast", CONST_CAST, OP_NULL, 1 },
- {"dynamic_cast", DYNAMIC_CAST, OP_NULL, 1 },
- {"static_cast", STATIC_CAST, OP_NULL, 1 },
- {"reinterpret_cast", REINTERPRET_CAST, OP_NULL, 1 }
+ {"new", NEW, OP_NULL, FLAG_CXX},
+ {"delete", DELETE, OP_NULL, FLAG_CXX},
+ {"operator", OPERATOR, OP_NULL, FLAG_CXX},
+
+ {"and", ANDAND, BINOP_END, FLAG_CXX},
+ {"and_eq", ASSIGN_MODIFY, BINOP_BITWISE_AND, FLAG_CXX},
+ {"bitand", '&', OP_NULL, FLAG_CXX},
+ {"bitor", '|', OP_NULL, FLAG_CXX},
+ {"compl", '~', OP_NULL, FLAG_CXX},
+ {"not", '!', OP_NULL, FLAG_CXX},
+ {"not_eq", NOTEQUAL, BINOP_END, FLAG_CXX},
+ {"or", OROR, BINOP_END, FLAG_CXX},
+ {"or_eq", ASSIGN_MODIFY, BINOP_BITWISE_IOR, FLAG_CXX},
+ {"xor", '^', OP_NULL, FLAG_CXX},
+ {"xor_eq", ASSIGN_MODIFY, BINOP_BITWISE_XOR, FLAG_CXX},
+
+ {"const_cast", CONST_CAST, OP_NULL, FLAG_CXX },
+ {"dynamic_cast", DYNAMIC_CAST, OP_NULL, FLAG_CXX },
+ {"static_cast", STATIC_CAST, OP_NULL, FLAG_CXX },
+ {"reinterpret_cast", REINTERPRET_CAST, OP_NULL, FLAG_CXX },
+
+ {"__typeof__", TYPEOF, OP_TYPEOF, 0 },
+ {"__typeof", TYPEOF, OP_TYPEOF, 0 },
+ {"typeof", TYPEOF, OP_TYPEOF, FLAG_SHADOW },
+ {"__decltype", DECLTYPE, OP_DECLTYPE, FLAG_CXX },
+ {"decltype", DECLTYPE, OP_DECLTYPE, FLAG_CXX | FLAG_SHADOW },
+
+ {"typeid", TYPEID, OP_TYPEID, FLAG_CXX}
};
/* When we find that lexptr (the global var defined in parse.c) is
we evaluate ADDRESS in the scope of the current frame, but we
evaluate CONDITION in the scope of the breakpoint's location. So
it's simply wrong to try to macro-expand the whole thing at once. */
-static char *macro_original_text;
+static const char *macro_original_text;
/* We save all intermediate macro expansions on this obstack for the
duration of a single parse. The expansion text may sometimes have
lexptr = copy;
}
-
static int
scanning_macro_expansion (void)
{
return macro_original_text != 0;
}
-
-static void
+static void
finished_macro_expansion (void)
{
/* There'd better be something to pop back to. */
macro_original_text = 0;
}
-
static void
scan_macro_cleanup (void *dummy)
{
/* Read one token, getting characters through lexptr. */
static int
-lex_one_token (void)
+lex_one_token (struct parser_state *par_state, int *is_quoted_name)
{
int c;
int namelen;
unsigned int i;
- char *tokstart;
+ const char *tokstart;
int saw_structop = last_was_structop;
char *copy;
last_was_structop = 0;
+ *is_quoted_name = 0;
retry:
tokstart = lexptr;
/* See if it is a special token of length 3. */
for (i = 0; i < sizeof tokentab3 / sizeof tokentab3[0]; i++)
- if (strncmp (tokstart, tokentab3[i].operator, 3) == 0)
+ if (strncmp (tokstart, tokentab3[i].oper, 3) == 0)
{
- if (tokentab3[i].cxx_only
- && parse_language->la_language != language_cplus)
+ if ((tokentab3[i].flags & FLAG_CXX) != 0
+ && parse_language (par_state)->la_language != language_cplus)
break;
lexptr += 3;
/* See if it is a special token of length 2. */
for (i = 0; i < sizeof tokentab2 / sizeof tokentab2[0]; i++)
- if (strncmp (tokstart, tokentab2[i].operator, 2) == 0)
+ if (strncmp (tokstart, tokentab2[i].oper, 2) == 0)
{
- if (tokentab2[i].cxx_only
- && parse_language->la_language != language_cplus)
+ if ((tokentab2[i].flags & FLAG_CXX) != 0
+ && parse_language (par_state)->la_language != language_cplus)
break;
lexptr += 2;
yylval.opcode = tokentab2[i].opcode;
- if (in_parse_field && tokentab2[i].token == ARROW)
+ if (parse_completion && tokentab2[i].token == ARROW)
last_was_structop = 1;
return tokentab2[i].token;
}
case '(':
paren_depth++;
lexptr++;
+ if (parse_language (par_state)->la_language == language_objc
+ && c == '[')
+ return OBJC_LBRAC;
return c;
case ']':
/* Might be a floating point number. */
if (lexptr[1] < '0' || lexptr[1] > '9')
{
- if (in_parse_field)
+ if (parse_completion)
last_was_structop = 1;
goto symbol; /* Nope, must be a symbol. */
}
{
/* It's a number. */
int got_dot = 0, got_e = 0, toktype;
- char *p = tokstart;
+ const char *p = tokstart;
int hex = input_radix > 10;
if (c == '0' && (p[1] == 'x' || p[1] == 'X'))
&& (*p < 'A' || *p > 'Z')))
break;
}
- toktype = parse_number (tokstart, p - tokstart, got_dot|got_e, &yylval);
+ toktype = parse_number (par_state, tokstart, p - tokstart,
+ got_dot|got_e, &yylval);
if (toktype == ERROR)
{
char *err_copy = (char *) alloca (p - tokstart + 1);
case '@':
{
- char *p = &tokstart[1];
+ const char *p = &tokstart[1];
size_t len = strlen ("entry");
+ if (parse_language (par_state)->la_language == language_objc)
+ {
+ size_t len = strlen ("selector");
+
+ if (strncmp (p, "selector", len) == 0
+ && (p[len] == '\0' || isspace (p[len])))
+ {
+ lexptr = p + len;
+ return SELECTOR;
+ }
+ else if (*p == '"')
+ goto parse_string;
+ }
+
while (isspace (*p))
p++;
if (strncmp (p, "entry", len) == 0 && !isalnum (p[len])
/* Fall through. */
case '\'':
case '"':
+
+ parse_string:
{
int host_len;
int result = parse_string_or_char (tokstart, &lexptr, &yylval.tsval,
{
++tokstart;
namelen = lexptr - tokstart - 1;
+ *is_quoted_name = 1;
+
goto tryname;
}
else if (host_len > 1)
that we look ahead only when the '<' adjoins non-whitespace
characters; for comparison expressions, e.g. "a < b > c",
there must be spaces before the '<', etc. */
-
- char * p = find_template_name_end (tokstart + namelen);
+ const char *p = find_template_name_end (tokstart + namelen);
+
if (p)
namelen = p - tokstart;
}
&& (tokstart[namelen] == ' ' || tokstart[namelen] == '\t')
&& ! scanning_macro_expansion ())
{
- char *p = tokstart + namelen + 1;
+ const char *p = tokstart + namelen + 1;
+
while (*p == ' ' || *p == '\t')
p++;
if (*p >= '0' && *p <= '9')
/* Catch specific keywords. */
copy = copy_name (yylval.sval);
for (i = 0; i < sizeof ident_tokens / sizeof ident_tokens[0]; i++)
- if (strcmp (copy, ident_tokens[i].operator) == 0)
+ if (strcmp (copy, ident_tokens[i].oper) == 0)
{
- if (ident_tokens[i].cxx_only
- && parse_language->la_language != language_cplus)
+ if ((ident_tokens[i].flags & FLAG_CXX) != 0
+ && parse_language (par_state)->la_language != language_cplus)
break;
+ if ((ident_tokens[i].flags & FLAG_SHADOW) != 0)
+ {
+ struct field_of_this_result is_a_field_of_this;
+
+ if (lookup_symbol (copy, expression_context_block,
+ VAR_DOMAIN,
+ (parse_language (par_state)->la_language
+ == language_cplus ? &is_a_field_of_this
+ : NULL))
+ != NULL)
+ {
+ /* The keyword is shadowed. */
+ break;
+ }
+ }
+
/* It is ok to always set this, even though we don't always
strictly need to. */
yylval.opcode = ident_tokens[i].opcode;
if (*tokstart == '$')
return VARIABLE;
- if (in_parse_field && *lexptr == '\0')
+ if (parse_completion && *lexptr == '\0')
saw_name_at_eof = 1;
+
+ yylval.ssym.stoken = yylval.sval;
+ yylval.ssym.sym = NULL;
+ yylval.ssym.is_a_field_of_this = 0;
return NAME;
}
/* Classify a NAME token. The contents of the token are in `yylval'.
Updates yylval and returns the new token type. BLOCK is the block
- in which lookups start; this can be NULL to mean the global
- scope. */
+ in which lookups start; this can be NULL to mean the global scope.
+ IS_QUOTED_NAME is non-zero if the name token was originally quoted
+ in single quotes. */
+
static int
-classify_name (struct block *block)
+classify_name (struct parser_state *par_state, const struct block *block,
+ int is_quoted_name)
{
struct symbol *sym;
char *copy;
- int is_a_field_of_this = 0;
+ struct field_of_this_result is_a_field_of_this;
copy = copy_name (yylval.sval);
- sym = lookup_symbol (copy, block, VAR_DOMAIN,
- parse_language->la_language == language_cplus
- ? &is_a_field_of_this : (int *) NULL);
+ /* Initialize this in case we *don't* use it in this call; that way
+ we can refer to it unconditionally below. */
+ memset (&is_a_field_of_this, 0, sizeof (is_a_field_of_this));
+
+ sym = lookup_symbol (copy, block, VAR_DOMAIN,
+ parse_language (par_state)->la_name_of_this
+ ? &is_a_field_of_this : NULL);
if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
{
yylval.ssym.sym = sym;
- yylval.ssym.is_a_field_of_this = is_a_field_of_this;
+ yylval.ssym.is_a_field_of_this = is_a_field_of_this.type != NULL;
return BLOCKNAME;
}
else if (!sym)
{
- /* See if it's a file name. */
- struct symtab *symtab;
+ /* If we found a field of 'this', we might have erroneously
+ found a constructor where we wanted a type name. Handle this
+ case by noticing that we found a constructor and then look up
+ the type tag instead. */
+ if (is_a_field_of_this.type != NULL
+ && is_a_field_of_this.fn_field != NULL
+ && TYPE_FN_FIELD_CONSTRUCTOR (is_a_field_of_this.fn_field->fn_fields,
+ 0))
+ {
+ struct field_of_this_result inner_is_a_field_of_this;
+
+ sym = lookup_symbol (copy, block, STRUCT_DOMAIN,
+ &inner_is_a_field_of_this);
+ if (sym != NULL)
+ {
+ yylval.tsym.type = SYMBOL_TYPE (sym);
+ return TYPENAME;
+ }
+ }
- symtab = lookup_symtab (copy);
- if (symtab)
+ /* If we found a field, then we want to prefer it over a
+ filename. However, if the name was quoted, then it is better
+ to check for a filename or a block, since this is the only
+ way the user has of requiring the extension to be used. */
+ if (is_a_field_of_this.type == NULL || is_quoted_name)
{
- yylval.bval = BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab), STATIC_BLOCK);
- return FILENAME;
+ /* See if it's a file name. */
+ struct symtab *symtab;
+
+ symtab = lookup_symtab (copy);
+ if (symtab)
+ {
+ yylval.bval = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab),
+ STATIC_BLOCK);
+ return FILENAME;
+ }
}
}
return TYPENAME;
}
- yylval.tsym.type
- = language_lookup_primitive_type_by_name (parse_language,
- parse_gdbarch, copy);
- if (yylval.tsym.type != NULL)
- return TYPENAME;
+ /* See if it's an ObjC classname. */
+ if (parse_language (par_state)->la_language == language_objc && !sym)
+ {
+ CORE_ADDR Class = lookup_objc_class (parse_gdbarch (par_state), copy);
+ if (Class)
+ {
+ yylval.theclass.theclass = Class;
+ sym = lookup_struct_typedef (copy, expression_context_block, 1);
+ if (sym)
+ yylval.theclass.type = SYMBOL_TYPE (sym);
+ return CLASSNAME;
+ }
+ }
/* Input names that aren't symbols but ARE valid hex numbers, when
the input radix permits them, can be names or numbers depending
|| (copy[0] >= 'A' && copy[0] < 'A' + input_radix - 10)))
{
YYSTYPE newlval; /* Its value is ignored. */
- int hextype = parse_number (copy, yylval.sval.length, 0, &newlval);
+ int hextype = parse_number (par_state, copy, yylval.sval.length,
+ 0, &newlval);
if (hextype == INT)
{
yylval.ssym.sym = sym;
- yylval.ssym.is_a_field_of_this = is_a_field_of_this;
+ yylval.ssym.is_a_field_of_this = is_a_field_of_this.type != NULL;
return NAME_OR_INT;
}
}
/* Any other kind of symbol */
yylval.ssym.sym = sym;
- yylval.ssym.is_a_field_of_this = is_a_field_of_this;
+ yylval.ssym.is_a_field_of_this = is_a_field_of_this.type != NULL;
if (sym == NULL
- && parse_language->la_language == language_cplus
- && !is_a_field_of_this
- && !lookup_minimal_symbol (copy, NULL, NULL))
+ && parse_language (par_state)->la_language == language_cplus
+ && is_a_field_of_this.type == NULL
+ && lookup_minimal_symbol (copy, NULL, NULL).minsym == NULL)
return UNKNOWN_CPP_NAME;
return NAME;
}
/* Like classify_name, but used by the inner loop of the lexer, when a
- name might have already been seen. FIRST_NAME is true if the token
- in `yylval' is the first component of a name, false otherwise. */
+ name might have already been seen. CONTEXT is the context type, or
+ NULL if this is the first component of a name. */
static int
-classify_inner_name (struct block *block, int first_name)
+classify_inner_name (struct parser_state *par_state,
+ const struct block *block, struct type *context)
{
- struct type *type, *new_type;
+ struct type *type;
char *copy;
- if (first_name)
- return classify_name (block);
+ if (context == NULL)
+ return classify_name (par_state, block, 0);
- type = check_typedef (yylval.tsym.type);
- if (TYPE_CODE (type) != TYPE_CODE_STRUCT
- && TYPE_CODE (type) != TYPE_CODE_UNION
- && TYPE_CODE (type) != TYPE_CODE_NAMESPACE)
+ type = check_typedef (context);
+ if (!type_aggregate_p (type))
return ERROR;
- copy = copy_name (yylval.tsym.stoken);
- yylval.ssym.sym = cp_lookup_nested_symbol (yylval.tsym.type, copy, block);
+ copy = copy_name (yylval.ssym.stoken);
+ yylval.ssym.sym = cp_lookup_nested_symbol (type, copy, block);
+
+ /* If no symbol was found, search for a matching base class named
+ COPY. This will allow users to enter qualified names of class members
+ relative to the `this' pointer. */
if (yylval.ssym.sym == NULL)
- return ERROR;
+ {
+ struct type *base_type = cp_find_type_baseclass_by_name (type, copy);
+
+ if (base_type != NULL)
+ {
+ yylval.tsym.type = base_type;
+ return TYPENAME;
+ }
+
+ return ERROR;
+ }
switch (SYMBOL_CLASS (yylval.ssym.sym))
{
case LOC_BLOCK:
case LOC_LABEL:
+ /* cp_lookup_nested_symbol might have accidentally found a constructor
+ named COPY when we really wanted a base class of the same name.
+ Double-check this case by looking for a base class. */
+ {
+ struct type *base_type = cp_find_type_baseclass_by_name (type, copy);
+
+ if (base_type != NULL)
+ {
+ yylval.tsym.type = base_type;
+ return TYPENAME;
+ }
+ }
return ERROR;
case LOC_TYPEDEF:
- yylval.tsym.type = SYMBOL_TYPE (yylval.ssym.sym);;
+ yylval.tsym.type = SYMBOL_TYPE (yylval.ssym.sym);
return TYPENAME;
default:
- yylval.ssym.is_a_field_of_this = 0;
return NAME;
}
internal_error (__FILE__, __LINE__, _("not reached"));
problem in our parsing approach, where the parser could not
distinguish between qualified names and qualified types at the
right point.
-
+
This approach is still not ideal, because it mishandles template
types. See the comment in lex_one_token for an example. However,
this is still an improvement over the earlier approach, and will
suffice until we move to better parsing technology. */
+
static int
yylex (void)
{
token_and_value current;
- int first_was_coloncolon, last_was_coloncolon, first_iter;
+ int first_was_coloncolon, last_was_coloncolon;
+ struct type *context_type = NULL;
+ int last_to_examine, next_to_examine, checkpoint;
+ const struct block *search_block;
+ int is_quoted_name;
if (popping && !VEC_empty (token_and_value, token_fifo))
- {
- token_and_value tv = *VEC_index (token_and_value, token_fifo, 0);
- VEC_ordered_remove (token_and_value, token_fifo, 0);
- yylval = tv.value;
- return tv.token;
- }
+ goto do_pop;
popping = 0;
- current.token = lex_one_token ();
+ /* Read the first token and decide what to do. Most of the
+ subsequent code is C++-only; but also depends on seeing a "::" or
+ name-like token. */
+ current.token = lex_one_token (pstate, &is_quoted_name);
if (current.token == NAME)
- current.token = classify_name (expression_context_block);
- if (parse_language->la_language != language_cplus
- || (current.token != TYPENAME && current.token != COLONCOLON))
+ current.token = classify_name (pstate, expression_context_block,
+ is_quoted_name);
+ if (parse_language (pstate)->la_language != language_cplus
+ || (current.token != TYPENAME && current.token != COLONCOLON
+ && current.token != FILENAME))
return current.token;
- first_was_coloncolon = current.token == COLONCOLON;
- last_was_coloncolon = first_was_coloncolon;
- obstack_free (&name_obstack, obstack_base (&name_obstack));
- if (!last_was_coloncolon)
- obstack_grow (&name_obstack, yylval.sval.ptr, yylval.sval.length);
+ /* Read any sequence of alternating "::" and name-like tokens into
+ the token FIFO. */
current.value = yylval;
- first_iter = 1;
+ VEC_safe_push (token_and_value, token_fifo, ¤t);
+ last_was_coloncolon = current.token == COLONCOLON;
while (1)
{
- token_and_value next;
+ int ignore;
+
+ /* We ignore quoted names other than the very first one.
+ Subsequent ones do not have any special meaning. */
+ current.token = lex_one_token (pstate, &ignore);
+ current.value = yylval;
+ VEC_safe_push (token_and_value, token_fifo, ¤t);
+
+ if ((last_was_coloncolon && current.token != NAME)
+ || (!last_was_coloncolon && current.token != COLONCOLON))
+ break;
+ last_was_coloncolon = !last_was_coloncolon;
+ }
+ popping = 1;
+
+ /* We always read one extra token, so compute the number of tokens
+ to examine accordingly. */
+ last_to_examine = VEC_length (token_and_value, token_fifo) - 2;
+ next_to_examine = 0;
+
+ current = *VEC_index (token_and_value, token_fifo, next_to_examine);
+ ++next_to_examine;
- next.token = lex_one_token ();
- next.value = yylval;
+ obstack_free (&name_obstack, obstack_base (&name_obstack));
+ checkpoint = 0;
+ if (current.token == FILENAME)
+ search_block = current.value.bval;
+ else if (current.token == COLONCOLON)
+ search_block = NULL;
+ else
+ {
+ gdb_assert (current.token == TYPENAME);
+ search_block = expression_context_block;
+ obstack_grow (&name_obstack, current.value.sval.ptr,
+ current.value.sval.length);
+ context_type = current.value.tsym.type;
+ checkpoint = 1;
+ }
- if (next.token == NAME && last_was_coloncolon)
+ first_was_coloncolon = current.token == COLONCOLON;
+ last_was_coloncolon = first_was_coloncolon;
+
+ while (next_to_examine <= last_to_examine)
+ {
+ token_and_value *next;
+
+ next = VEC_index (token_and_value, token_fifo, next_to_examine);
+ ++next_to_examine;
+
+ if (next->token == NAME && last_was_coloncolon)
{
int classification;
- classification = classify_inner_name (first_was_coloncolon
- ? NULL
- : expression_context_block,
- first_iter);
+ yylval = next->value;
+ classification = classify_inner_name (pstate, search_block,
+ context_type);
/* We keep going until we either run out of names, or until
we have a qualified name which is not a type. */
if (classification != TYPENAME && classification != NAME)
- {
- /* Push the final component and leave the loop. */
- VEC_safe_push (token_and_value, token_fifo, &next);
- break;
- }
+ break;
+
+ /* Accept up to this token. */
+ checkpoint = next_to_examine;
/* Update the partial name we are constructing. */
- if (!first_iter)
+ if (context_type != NULL)
{
/* We don't want to put a leading "::" into the name. */
obstack_grow_str (&name_obstack, "::");
}
- obstack_grow (&name_obstack, next.value.sval.ptr,
- next.value.sval.length);
+ obstack_grow (&name_obstack, next->value.sval.ptr,
+ next->value.sval.length);
yylval.sval.ptr = obstack_base (&name_obstack);
yylval.sval.length = obstack_object_size (&name_obstack);
current.token = classification;
last_was_coloncolon = 0;
+
+ if (classification == NAME)
+ break;
+
+ context_type = yylval.tsym.type;
}
- else if (next.token == COLONCOLON && !last_was_coloncolon)
+ else if (next->token == COLONCOLON && !last_was_coloncolon)
last_was_coloncolon = 1;
else
{
/* We've reached the end of the name. */
- VEC_safe_push (token_and_value, token_fifo, &next);
break;
}
-
- first_iter = 0;
}
- popping = 1;
-
- /* If we ended with a "::", insert it too. */
- if (last_was_coloncolon)
+ /* If we have a replacement token, install it as the first token in
+ the FIFO, and delete the other constituent tokens. */
+ if (checkpoint > 0)
{
- token_and_value cc;
- memset (&cc, 0, sizeof (token_and_value));
- if (first_was_coloncolon && first_iter)
- {
- yylval = cc.value;
- return COLONCOLON;
- }
- cc.token = COLONCOLON;
- VEC_safe_insert (token_and_value, token_fifo, 0, &cc);
+ current.value.sval.ptr = obstack_copy0 (&expansion_obstack,
+ current.value.sval.ptr,
+ current.value.sval.length);
+
+ VEC_replace (token_and_value, token_fifo, 0, ¤t);
+ if (checkpoint > 1)
+ VEC_block_remove (token_and_value, token_fifo, 1, checkpoint - 1);
}
+ do_pop:
+ current = *VEC_index (token_and_value, token_fifo, 0);
+ VEC_ordered_remove (token_and_value, token_fifo, 0);
yylval = current.value;
- yylval.sval.ptr = obstack_copy0 (&expansion_obstack,
- yylval.sval.ptr,
- yylval.sval.length);
return current.token;
}
int
-c_parse (void)
+c_parse (struct parser_state *par_state)
{
int result;
- struct cleanup *back_to = make_cleanup (free_current_contents,
- &expression_macro_scope);
+ struct cleanup *back_to;
+
+ /* Setting up the parser state. */
+ gdb_assert (par_state != NULL);
+ pstate = par_state;
+
+ back_to = make_cleanup (free_current_contents, &expression_macro_scope);
+ make_cleanup_clear_parser_state (&pstate);
/* Set up the scope for macro expansion. */
expression_macro_scope = NULL;
result = yyparse ();
do_cleanups (back_to);
+
return result;
}
+#ifdef YYBISON
+
+/* This is called via the YYPRINT macro when parser debugging is
+ enabled. It prints a token's value. */
+
+static void
+c_print_token (FILE *file, int type, YYSTYPE value)
+{
+ switch (type)
+ {
+ case INT:
+ fprintf (file, "typed_val_int<%s, %s>",
+ TYPE_SAFE_NAME (value.typed_val_int.type),
+ pulongest (value.typed_val_int.val));
+ break;
+
+ case CHAR:
+ case STRING:
+ {
+ char *copy = alloca (value.tsval.length + 1);
+
+ memcpy (copy, value.tsval.ptr, value.tsval.length);
+ copy[value.tsval.length] = '\0';
+
+ fprintf (file, "tsval<type=%d, %s>", value.tsval.type, copy);
+ }
+ break;
+
+ case NSSTRING:
+ case VARIABLE:
+ fprintf (file, "sval<%s>", copy_name (value.sval));
+ break;
+
+ case TYPENAME:
+ fprintf (file, "tsym<type=%s, name=%s>",
+ TYPE_SAFE_NAME (value.tsym.type),
+ copy_name (value.tsym.stoken));
+ break;
+
+ case NAME:
+ case UNKNOWN_CPP_NAME:
+ case NAME_OR_INT:
+ case BLOCKNAME:
+ fprintf (file, "ssym<name=%s, sym=%s, field_of_this=%d>",
+ copy_name (value.ssym.stoken),
+ (value.ssym.sym == NULL
+ ? "(null)" : SYMBOL_PRINT_NAME (value.ssym.sym)),
+ value.ssym.is_a_field_of_this);
+ break;
+
+ case FILENAME:
+ fprintf (file, "bval<%s>", host_address_to_string (value.bval));
+ break;
+ }
+}
+
+#endif
void
yyerror (char *msg)
projects / deliverable / binutils-gdb.git / blobdiff