/* YACC parser for Pascal expressions, for GDB.
- Copyright (C) 2000, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2006-2012 Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This file is derived from c-exp.y */
- there are some problems with boolean types.
- Pascal type hexadecimal constants are not supported
because they conflict with the internal variables format.
- Probably also lots of other problems, less well defined PM */
+ Probably also lots of other problems, less well defined PM. */
%{
#include "defs.h"
#include "p-lang.h"
#include "bfd.h" /* Required by objfiles.h. */
#include "symfile.h" /* Required by objfiles.h. */
-#include "objfiles.h" /* For have_full_symbols and have_partial_symbols */
+#include "objfiles.h" /* For have_full_symbols and have_partial_symbols. */
#include "block.h"
+#define parse_type builtin_type (parse_gdbarch)
+
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
as well as gratuitiously global symbol names, so we can have multiple
yacc generated parsers in gdb. Note that these are only the variables
produced by yacc. If other parser generators (bison, byacc, etc) produce
additional global names that conflict at link time, then those parser
- generators need to be fixed instead of adding those names to this list. */
+ generators need to be fixed instead of adding those names to this list. */
#define yymaxdepth pascal_maxdepth
#define yyparse pascal_parse
#define yylval pascal_lval
#define yychar pascal_char
#define yydebug pascal_debug
-#define yypact pascal_pact
-#define yyr1 pascal_r1
-#define yyr2 pascal_r2
-#define yydef pascal_def
-#define yychk pascal_chk
-#define yypgo pascal_pgo
+#define yypact pascal_pact
+#define yyr1 pascal_r1
+#define yyr2 pascal_r2
+#define yydef pascal_def
+#define yychk pascal_chk
+#define yypgo pascal_pgo
#define yyact pascal_act
#define yyexca pascal_exca
#define yyerrflag pascal_errflag
static int yylex (void);
-void
-yyerror (char *);
+void yyerror (char *);
static char * uptok (char *, int);
%}
%{
/* YYSTYPE gets defined by %union */
-static int
-parse_number (char *, int, int, YYSTYPE *);
+static int parse_number (char *, int, int, YYSTYPE *);
static struct type *current_type;
-
+static struct internalvar *intvar;
+static int leftdiv_is_integer;
static void push_current_type (void);
static void pop_current_type (void);
static int search_field;
Contexts where this distinction is not important can use the
nonterminal "name", which matches either NAME or TYPENAME. */
-%token <sval> STRING
+%token <sval> STRING
%token <sval> FIELDNAME
-%token <ssym> NAME /* BLOCKNAME defined below to give it higher precedence. */
+%token <voidval> COMPLETE
+%token <ssym> NAME /* BLOCKNAME defined below to give it higher precedence. */
%token <tsym> TYPENAME
%type <sval> name
%type <ssym> name_not_typename
%%
start : { current_type = NULL;
+ intvar = NULL;
search_field = 0;
+ leftdiv_is_integer = 0;
}
normal_start {}
;
/* Expressions, not including the comma operator. */
exp : exp '^' %prec UNARY
{ write_exp_elt_opcode (UNOP_IND);
- if (current_type)
+ if (current_type)
current_type = TYPE_TARGET_TYPE (current_type); }
;
exp : '@' exp %prec UNARY
- { write_exp_elt_opcode (UNOP_ADDR);
+ { write_exp_elt_opcode (UNOP_ADDR);
if (current_type)
current_type = TYPE_POINTER_TYPE (current_type); }
;
{ write_exp_elt_opcode (UNOP_PREDECREMENT); }
;
-exp : exp '.' { search_field = 1; }
- FIELDNAME
- /* name */
+
+field_exp : exp '.' %prec UNARY
+ { search_field = 1; }
+ ;
+
+exp : field_exp FIELDNAME
{ write_exp_elt_opcode (STRUCTOP_STRUCT);
- write_exp_string ($4);
+ write_exp_string ($2);
+ write_exp_elt_opcode (STRUCTOP_STRUCT);
+ search_field = 0;
+ if (current_type)
+ {
+ while (TYPE_CODE (current_type)
+ == TYPE_CODE_PTR)
+ current_type =
+ TYPE_TARGET_TYPE (current_type);
+ current_type = lookup_struct_elt_type (
+ current_type, $2.ptr, 0);
+ }
+ }
+ ;
+
+
+exp : field_exp name
+ { mark_struct_expression ();
write_exp_elt_opcode (STRUCTOP_STRUCT);
- search_field = 0;
+ write_exp_string ($2);
+ write_exp_elt_opcode (STRUCTOP_STRUCT);
+ search_field = 0;
if (current_type)
- { while (TYPE_CODE (current_type) == TYPE_CODE_PTR)
- current_type = TYPE_TARGET_TYPE (current_type);
+ {
+ while (TYPE_CODE (current_type)
+ == TYPE_CODE_PTR)
+ current_type =
+ TYPE_TARGET_TYPE (current_type);
current_type = lookup_struct_elt_type (
- current_type, $4.ptr, 0); };
- } ;
+ current_type, $2.ptr, 0);
+ }
+ }
+ ;
+
+exp : field_exp COMPLETE
+ { struct stoken s;
+ mark_struct_expression ();
+ write_exp_elt_opcode (STRUCTOP_STRUCT);
+ s.ptr = "";
+ s.length = 0;
+ write_exp_string (s);
+ write_exp_elt_opcode (STRUCTOP_STRUCT); }
+ ;
+
exp : exp '['
- /* We need to save the current_type value */
- { char *arrayname;
+ /* We need to save the current_type value. */
+ { const char *arrayname;
int arrayfieldindex;
arrayfieldindex = is_pascal_string_type (
current_type, NULL, NULL,
- NULL, NULL, &arrayname);
- if (arrayfieldindex)
+ NULL, NULL, &arrayname);
+ if (arrayfieldindex)
{
struct stoken stringsval;
stringsval.ptr = alloca (strlen (arrayname) + 1);
stringsval.length = strlen (arrayname);
strcpy (stringsval.ptr, arrayname);
current_type = TYPE_FIELD_TYPE (current_type,
- arrayfieldindex - 1);
+ arrayfieldindex - 1);
write_exp_elt_opcode (STRUCTOP_STRUCT);
- write_exp_string (stringsval);
+ write_exp_string (stringsval);
write_exp_elt_opcode (STRUCTOP_STRUCT);
}
push_current_type (); }
arglist ')' %prec ARROW
{ write_exp_elt_opcode (OP_FUNCALL);
write_exp_elt_longcst ((LONGEST) end_arglist ());
- write_exp_elt_opcode (OP_FUNCALL);
- pop_current_type (); }
+ write_exp_elt_opcode (OP_FUNCALL);
+ pop_current_type ();
+ if (current_type)
+ current_type = TYPE_TARGET_TYPE (current_type);
+ }
;
arglist :
}
write_exp_elt_opcode (UNOP_CAST);
write_exp_elt_type ($1);
- write_exp_elt_opcode (UNOP_CAST);
+ write_exp_elt_opcode (UNOP_CAST);
current_type = $1; }
;
{ write_exp_elt_opcode (BINOP_MUL); }
;
-exp : exp '/' exp
- { write_exp_elt_opcode (BINOP_DIV); }
+exp : exp '/' {
+ if (current_type && is_integral_type (current_type))
+ leftdiv_is_integer = 1;
+ }
+ exp
+ {
+ if (leftdiv_is_integer && current_type
+ && is_integral_type (current_type))
+ {
+ write_exp_elt_opcode (UNOP_CAST);
+ write_exp_elt_type (parse_type->builtin_long_double);
+ current_type = parse_type->builtin_long_double;
+ write_exp_elt_opcode (UNOP_CAST);
+ leftdiv_is_integer = 0;
+ }
+
+ write_exp_elt_opcode (BINOP_DIV);
+ }
;
exp : exp DIV exp
;
exp : exp '=' exp
- { write_exp_elt_opcode (BINOP_EQUAL); }
+ { write_exp_elt_opcode (BINOP_EQUAL);
+ current_type = parse_type->builtin_bool;
+ }
;
exp : exp NOTEQUAL exp
- { write_exp_elt_opcode (BINOP_NOTEQUAL); }
+ { write_exp_elt_opcode (BINOP_NOTEQUAL);
+ current_type = parse_type->builtin_bool;
+ }
;
exp : exp LEQ exp
- { write_exp_elt_opcode (BINOP_LEQ); }
+ { write_exp_elt_opcode (BINOP_LEQ);
+ current_type = parse_type->builtin_bool;
+ }
;
exp : exp GEQ exp
- { write_exp_elt_opcode (BINOP_GEQ); }
+ { write_exp_elt_opcode (BINOP_GEQ);
+ current_type = parse_type->builtin_bool;
+ }
;
exp : exp '<' exp
- { write_exp_elt_opcode (BINOP_LESS); }
+ { write_exp_elt_opcode (BINOP_LESS);
+ current_type = parse_type->builtin_bool;
+ }
;
exp : exp '>' exp
- { write_exp_elt_opcode (BINOP_GTR); }
+ { write_exp_elt_opcode (BINOP_GTR);
+ current_type = parse_type->builtin_bool;
+ }
;
exp : exp ANDAND exp
exp : TRUEKEYWORD
{ write_exp_elt_opcode (OP_BOOL);
write_exp_elt_longcst ((LONGEST) $1);
+ current_type = parse_type->builtin_bool;
write_exp_elt_opcode (OP_BOOL); }
;
exp : FALSEKEYWORD
{ write_exp_elt_opcode (OP_BOOL);
write_exp_elt_longcst ((LONGEST) $1);
+ current_type = parse_type->builtin_bool;
write_exp_elt_opcode (OP_BOOL); }
;
exp : INT
{ write_exp_elt_opcode (OP_LONG);
write_exp_elt_type ($1.type);
+ current_type = $1.type;
write_exp_elt_longcst ((LONGEST)($1.val));
write_exp_elt_opcode (OP_LONG); }
;
exp : NAME_OR_INT
{ YYSTYPE val;
- parse_number ($1.stoken.ptr, $1.stoken.length, 0, &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);
+ current_type = val.typed_val_int.type;
+ write_exp_elt_longcst ((LONGEST)
+ val.typed_val_int.val);
write_exp_elt_opcode (OP_LONG);
}
;
exp : FLOAT
{ write_exp_elt_opcode (OP_DOUBLE);
write_exp_elt_type ($1.type);
+ current_type = $1.type;
write_exp_elt_dblcst ($1.dval);
write_exp_elt_opcode (OP_DOUBLE); }
;
;
exp : VARIABLE
- /* Already written by write_dollar_variable. */
- ;
+ /* Already written by write_dollar_variable.
+ Handle current_type. */
+ { if (intvar) {
+ struct value * val, * mark;
+
+ mark = value_mark ();
+ val = value_of_internalvar (parse_gdbarch,
+ intvar);
+ current_type = value_type (val);
+ value_release_to_mark (mark);
+ }
+ }
+ ;
exp : SIZEOF '(' type ')' %prec UNARY
{ write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (builtin_type_int);
+ write_exp_elt_type (parse_type->builtin_int);
CHECK_TYPEDEF ($3);
write_exp_elt_longcst ((LONGEST) TYPE_LENGTH ($3));
write_exp_elt_opcode (OP_LONG); }
;
+exp : SIZEOF '(' exp ')' %prec UNARY
+ { write_exp_elt_opcode (UNOP_SIZEOF); }
+
exp : STRING
{ /* C strings are converted into array constants with
an explicit null byte added at the end. Thus
the array upper bound is the string length.
There is no such thing in C as a completely empty
- string. */
+ string. */
char *sp = $1.ptr; int count = $1.length;
while (count-- > 0)
{
write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (builtin_type_char);
+ write_exp_elt_type (parse_type->builtin_char);
write_exp_elt_longcst ((LONGEST)(*sp++));
write_exp_elt_opcode (OP_LONG);
}
write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (builtin_type_char);
+ write_exp_elt_type (parse_type->builtin_char);
write_exp_elt_longcst ((LONGEST)'\0');
write_exp_elt_opcode (OP_LONG);
write_exp_elt_opcode (OP_ARRAY);
/* Object pascal */
exp : THIS
- {
+ {
struct value * this_val;
struct type * this_type;
write_exp_elt_opcode (OP_THIS);
- write_exp_elt_opcode (OP_THIS);
- /* we need type of this */
- this_val = value_of_this (0);
+ write_exp_elt_opcode (OP_THIS);
+ /* We need type of this. */
+ this_val = value_of_this_silent (parse_language);
if (this_val)
this_type = value_type (this_val);
else
write_exp_elt_opcode (UNOP_IND);
}
}
-
+
current_type = this_type;
}
;
struct symtab *tem =
lookup_symtab (copy_name ($1.stoken));
if (tem)
- $$ = BLOCKVECTOR_BLOCK (BLOCKVECTOR (tem), STATIC_BLOCK);
+ $$ = BLOCKVECTOR_BLOCK (BLOCKVECTOR (tem),
+ STATIC_BLOCK);
else
- error ("No file or function \"%s\".",
+ error (_("No file or function \"%s\"."),
copy_name ($1.stoken));
}
}
block : block COLONCOLON name
{ struct symbol *tem
= lookup_symbol (copy_name ($3), $1,
- VAR_DOMAIN, (int *) NULL,
- (struct symtab **) NULL);
+ VAR_DOMAIN, (int *) NULL);
if (!tem || SYMBOL_CLASS (tem) != LOC_BLOCK)
- error ("No function \"%s\" in specified context.",
+ error (_("No function \"%s\" in specified context."),
copy_name ($3));
$$ = SYMBOL_BLOCK_VALUE (tem); }
;
variable: block COLONCOLON name
{ struct symbol *sym;
sym = lookup_symbol (copy_name ($3), $1,
- VAR_DOMAIN, (int *) NULL,
- (struct symtab **) NULL);
+ VAR_DOMAIN, (int *) NULL);
if (sym == 0)
- error ("No symbol \"%s\" in specified context.",
+ error (_("No symbol \"%s\" in specified context."),
copy_name ($3));
write_exp_elt_opcode (OP_VAR_VALUE);
struct type *type = $1;
if (TYPE_CODE (type) != TYPE_CODE_STRUCT
&& TYPE_CODE (type) != TYPE_CODE_UNION)
- error ("`%s' is not defined as an aggregate type.",
+ error (_("`%s' is not defined as an aggregate type."),
TYPE_NAME (type));
write_exp_elt_opcode (OP_SCOPE);
sym =
lookup_symbol (name, (const struct block *) NULL,
- VAR_DOMAIN, (int *) NULL,
- (struct symtab **) NULL);
+ VAR_DOMAIN, (int *) NULL);
if (sym)
{
write_exp_elt_opcode (OP_VAR_VALUE);
msymbol = lookup_minimal_symbol (name, NULL, NULL);
if (msymbol != NULL)
- {
- write_exp_msymbol (msymbol,
- lookup_function_type (builtin_type_int),
- builtin_type_int);
- }
+ write_exp_msymbol (msymbol);
+ else if (!have_full_symbols ()
+ && !have_partial_symbols ())
+ error (_("No symbol table is loaded. "
+ "Use the \"file\" command."));
else
- if (!have_full_symbols () && !have_partial_symbols ())
- error ("No symbol table is loaded. Use the \"file\" command.");
- else
- error ("No symbol \"%s\" in current context.", name);
+ error (_("No symbol \"%s\" in current context."),
+ name);
}
;
{
if (symbol_read_needs_frame (sym))
{
- if (innermost_block == 0 ||
- contained_in (block_found,
- innermost_block))
+ if (innermost_block == 0
+ || contained_in (block_found,
+ innermost_block))
innermost_block = block_found;
}
/* Object pascal: it hangs off of `this'. Must
not inadvertently convert from a method call
to data ref. */
- if (innermost_block == 0 ||
- contained_in (block_found, innermost_block))
+ if (innermost_block == 0
+ || 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);
- /* we need type of this */
- this_val = value_of_this (0);
+ /* We need type of this. */
+ this_val = value_of_this_silent (parse_language);
if (this_val)
this_type = value_type (this_val);
else
this_type,
copy_name ($1.stoken), 0);
else
- current_type = NULL;
+ current_type = NULL;
}
else
{
msymbol =
lookup_minimal_symbol (arg, NULL, NULL);
if (msymbol != NULL)
- {
- write_exp_msymbol (msymbol,
- lookup_function_type (builtin_type_int),
- builtin_type_int);
- }
- else if (!have_full_symbols () && !have_partial_symbols ())
- error ("No symbol table is loaded. Use the \"file\" command.");
+ write_exp_msymbol (msymbol);
+ else if (!have_full_symbols ()
+ && !have_partial_symbols ())
+ error (_("No symbol table is loaded. "
+ "Use the \"file\" command."));
else
- error ("No symbol \"%s\" in current context.",
+ error (_("No symbol \"%s\" in current context."),
copy_name ($1.stoken));
}
}
/*** Needs some error checking for the float case ***/
static int
-parse_number (p, len, parsed_float, putithere)
- char *p;
- int len;
- int parsed_float;
- YYSTYPE *putithere;
+parse_number (char *p, 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. */
if (parsed_float)
{
- /* It's a float since it contains a point or an exponent. */
- char c;
- int num = 0; /* number of tokens scanned by scanf */
- char saved_char = p[len];
-
- p[len] = 0; /* null-terminate the token */
- num = sscanf (p, DOUBLEST_SCAN_FORMAT "%c",
- &putithere->typed_val_float.dval, &c);
- p[len] = saved_char; /* restore the input stream */
- if (num != 1) /* check scanf found ONLY a float ... */
- return ERROR;
- /* See if it has `f' or `l' suffix (float or long double). */
-
- c = tolower (p[len - 1]);
-
- if (c == 'f')
- putithere->typed_val_float.type = builtin_type_float;
- else if (c == 'l')
- putithere->typed_val_float.type = builtin_type_long_double;
- else if (isdigit (c) || c == '.')
- putithere->typed_val_float.type = builtin_type_double;
- else
+ if (! parse_c_float (parse_gdbarch, p, len,
+ &putithere->typed_val_float.dval,
+ &putithere->typed_val_float.type))
return ERROR;
-
return FLOAT;
}
- /* Handle base-switching prefixes 0x, 0t, 0d, 0 */
+ /* Handle base-switching prefixes 0x, 0t, 0d, 0. */
if (p[0] == '0')
switch (p[1])
{
return ERROR; /* Char not a digit */
}
if (i >= base)
- return ERROR; /* Invalid digit in this base */
+ return ERROR; /* Invalid digit in this base. */
/* Portably test for overflow (only works for nonzero values, so make
a second check for zero). FIXME: Can't we just make n and prevn
unsigned and avoid this? */
if (c != 'l' && c != 'u' && (prevn >= n) && n != 0)
- unsigned_p = 1; /* Try something unsigned */
+ unsigned_p = 1; /* Try something unsigned. */
/* Portably test for unsigned overflow.
FIXME: This check is wrong; for example it doesn't find overflow
on 0x123456789 when LONGEST is 32 bits. */
if (c != 'l' && c != 'u' && n != 0)
- {
+ {
if ((unsigned_p && (ULONGEST) prevn >= (ULONGEST) n))
- error ("Numeric constant too large.");
+ error (_("Numeric constant too large."));
}
prevn = n;
}
un = (ULONGEST)n >> 2;
if (long_p == 0
- && (un >> (gdbarch_int_bit (current_gdbarch) - 2)) == 0)
+ && (un >> (gdbarch_int_bit (parse_gdbarch) - 2)) == 0)
{
- high_bit = ((ULONGEST)1) << (gdbarch_int_bit (current_gdbarch) - 1);
+ high_bit = ((ULONGEST)1) << (gdbarch_int_bit (parse_gdbarch) - 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 = builtin_type_unsigned_int;
- signed_type = builtin_type_int;
+ unsigned_type = parse_type->builtin_unsigned_int;
+ signed_type = parse_type->builtin_int;
}
else if (long_p <= 1
- && (un >> (gdbarch_long_bit (current_gdbarch) - 2)) == 0)
+ && (un >> (gdbarch_long_bit (parse_gdbarch) - 2)) == 0)
{
- high_bit = ((ULONGEST)1) << (gdbarch_long_bit (current_gdbarch) - 1);
- unsigned_type = builtin_type_unsigned_long;
- signed_type = builtin_type_long;
+ high_bit = ((ULONGEST)1) << (gdbarch_long_bit (parse_gdbarch) - 1);
+ unsigned_type = parse_type->builtin_unsigned_long;
+ signed_type = parse_type->builtin_long;
}
else
{
int shift;
if (sizeof (ULONGEST) * HOST_CHAR_BIT
- < gdbarch_long_long_bit (current_gdbarch))
+ < gdbarch_long_long_bit (parse_gdbarch))
/* A long long does not fit in a LONGEST. */
shift = (sizeof (ULONGEST) * HOST_CHAR_BIT - 1);
else
- shift = (gdbarch_long_long_bit (current_gdbarch) - 1);
+ shift = (gdbarch_long_long_bit (parse_gdbarch) - 1);
high_bit = (ULONGEST) 1 << shift;
- unsigned_type = builtin_type_unsigned_long_long;
- signed_type = builtin_type_long_long;
+ unsigned_type = parse_type->builtin_unsigned_long_long;
+ signed_type = parse_type->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. */
+ has to be unsigned. */
if (unsigned_p || (n & high_bit))
{
tpnew->next = tp_top;
tpnew->stored = current_type;
current_type = NULL;
- tp_top = tpnew;
+ tp_top = tpnew;
}
static void
{
current_type = tp->stored;
tp_top = tp->next;
- xfree (tp);
+ free (tp);
}
}
{":=", ASSIGN, BINOP_END},
{"::", COLONCOLON, BINOP_END} };
-/* Allocate uppercased var */
-/* make an uppercased copy of tokstart */
-static char * uptok (tokstart, namelen)
- char *tokstart;
- int namelen;
+/* Allocate uppercased var: */
+/* make an uppercased copy of tokstart. */
+static char *
+uptok (char *tokstart, int namelen)
{
int i;
char *uptokstart = (char *)malloc(namelen+1);
uptokstart[namelen]='\0';
return uptokstart;
}
-/* Read one token, getting characters through lexptr. */
+/* This is set if the previously-returned token was a structure
+ operator '.'. This is used only when parsing to
+ do field name completion. */
+static int last_was_structop;
+
+/* Read one token, getting characters through lexptr. */
static int
-yylex ()
+yylex (void)
{
int c;
int namelen;
char *tokstart;
char *uptokstart;
char *tokptr;
- char *p;
int explen, tempbufindex;
static char *tempbuf;
static int tempbufsize;
+ int saw_structop = last_was_structop;
+ last_was_structop = 0;
retry:
prev_lexptr = lexptr;
for (i = 0; i < sizeof (tokentab3) / sizeof (tokentab3[0]); i++)
if (strncasecmp (tokstart, tokentab3[i].operator, 3) == 0
&& (!isalpha (tokentab3[i].operator[0]) || explen == 3
- || (!isalpha (tokstart[3]) && !isdigit (tokstart[3]) && tokstart[3] != '_')))
+ || (!isalpha (tokstart[3])
+ && !isdigit (tokstart[3]) && tokstart[3] != '_')))
{
lexptr += 3;
yylval.opcode = tokentab3[i].opcode;
for (i = 0; i < sizeof (tokentab2) / sizeof (tokentab2[0]); i++)
if (strncasecmp (tokstart, tokentab2[i].operator, 2) == 0
&& (!isalpha (tokentab2[i].operator[0]) || explen == 2
- || (!isalpha (tokstart[2]) && !isdigit (tokstart[2]) && tokstart[2] != '_')))
+ || (!isalpha (tokstart[2])
+ && !isdigit (tokstart[2]) && tokstart[2] != '_')))
{
lexptr += 2;
yylval.opcode = tokentab2[i].opcode;
switch (c = *tokstart)
{
case 0:
- return 0;
+ if (saw_structop && search_field)
+ return COMPLETE;
+ else
+ return 0;
case ' ':
case '\t':
case '\'':
/* We either have a character constant ('0' or '\177' for example)
or we have a quoted symbol reference ('foo(int,int)' in object pascal
- for example). */
+ for example). */
lexptr++;
c = *lexptr++;
if (c == '\\')
- c = parse_escape (&lexptr);
+ c = parse_escape (parse_gdbarch, &lexptr);
else if (c == '\'')
- error ("Empty character constant.");
+ error (_("Empty character constant."));
yylval.typed_val_int.val = c;
- yylval.typed_val_int.type = builtin_type_char;
+ yylval.typed_val_int.type = parse_type->builtin_char;
c = *lexptr++;
if (c != '\'')
{
lexptr = tokstart + namelen;
if (lexptr[-1] != '\'')
- error ("Unmatched single quote.");
+ error (_("Unmatched single quote."));
namelen -= 2;
tokstart++;
uptokstart = uptok(tokstart,namelen);
goto tryname;
}
- error ("Invalid character constant.");
+ error (_("Invalid character constant."));
}
return INT;
case '.':
/* Might be a floating point number. */
if (lexptr[1] < '0' || lexptr[1] > '9')
- goto symbol; /* Nope, must be a symbol. */
+ {
+ if (in_parse_field)
+ last_was_structop = 1;
+ goto symbol; /* Nope, must be a symbol. */
+ }
+
/* FALL THRU into number case. */
case '0':
p += 2;
hex = 1;
}
- else if (c == '0' && (p[1]=='t' || p[1]=='T' || p[1]=='d' || p[1]=='D'))
+ else if (c == '0' && (p[1]=='t' || p[1]=='T'
+ || p[1]=='d' || p[1]=='D'))
{
p += 2;
hex = 0;
&& (*p < 'A' || *p > 'Z')))
break;
}
- toktype = parse_number (tokstart, p - tokstart, got_dot|got_e, &yylval);
+ toktype = parse_number (tokstart,
+ p - tokstart, got_dot | got_e, &yylval);
if (toktype == ERROR)
{
char *err_copy = (char *) alloca (p - tokstart + 1);
memcpy (err_copy, tokstart, p - tokstart);
err_copy[p - tokstart] = 0;
- error ("Invalid number \"%s\".", err_copy);
+ error (_("Invalid number \"%s\"."), err_copy);
}
lexptr = p;
return toktype;
the buffer contains no embedded nulls. Gdb does not depend
upon the buffer being null byte terminated, it uses the length
string instead. This allows gdb to handle C strings (as well
- as strings in other languages) with embedded null bytes */
+ as strings in other languages) with embedded null bytes. */
tokptr = ++tokstart;
tempbufindex = 0;
do {
/* Grow the static temp buffer if necessary, including allocating
- the first one on demand. */
+ the first one on demand. */
if (tempbufindex + 1 >= tempbufsize)
{
tempbuf = (char *) realloc (tempbuf, tempbufsize += 64);
{
case '\0':
case '"':
- /* Do nothing, loop will terminate. */
+ /* Do nothing, loop will terminate. */
break;
case '\\':
tokptr++;
- c = parse_escape (&tokptr);
+ c = parse_escape (parse_gdbarch, &tokptr);
if (c == -1)
{
continue;
} while ((*tokptr != '"') && (*tokptr != '\0'));
if (*tokptr++ != '"')
{
- error ("Unterminated string in expression.");
+ error (_("Unterminated string in expression."));
}
- tempbuf[tempbufindex] = '\0'; /* See note above */
+ tempbuf[tempbufindex] = '\0'; /* See note above. */
yylval.sval.ptr = tempbuf;
yylval.sval.length = tempbufindex;
lexptr = tokptr;
if (!(c == '_' || c == '$'
|| (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')))
/* We must have come across a bad character (e.g. ';'). */
- error ("Invalid character '%c' in expression.", c);
+ error (_("Invalid character '%c' in expression."), c);
/* It's a name. See how long it is. */
namelen = 0;
break;
}
- /* do NOT uppercase internals because of registers !!! */
+ /* do NOT uppercase internals because of registers !!! */
c = tokstart[++namelen];
}
switch (namelen)
{
case 6:
- if (DEPRECATED_STREQ (uptokstart, "OBJECT"))
+ if (strcmp (uptokstart, "OBJECT") == 0)
{
free (uptokstart);
return CLASS;
}
- if (DEPRECATED_STREQ (uptokstart, "RECORD"))
+ if (strcmp (uptokstart, "RECORD") == 0)
{
free (uptokstart);
return STRUCT;
}
- if (DEPRECATED_STREQ (uptokstart, "SIZEOF"))
+ if (strcmp (uptokstart, "SIZEOF") == 0)
{
free (uptokstart);
return SIZEOF;
}
break;
case 5:
- if (DEPRECATED_STREQ (uptokstart, "CLASS"))
+ if (strcmp (uptokstart, "CLASS") == 0)
{
free (uptokstart);
return CLASS;
}
- if (DEPRECATED_STREQ (uptokstart, "FALSE"))
+ if (strcmp (uptokstart, "FALSE") == 0)
{
yylval.lval = 0;
free (uptokstart);
}
break;
case 4:
- if (DEPRECATED_STREQ (uptokstart, "TRUE"))
+ if (strcmp (uptokstart, "TRUE") == 0)
{
yylval.lval = 1;
free (uptokstart);
return TRUEKEYWORD;
}
- if (DEPRECATED_STREQ (uptokstart, "SELF"))
+ if (strcmp (uptokstart, "SELF") == 0)
{
- /* here we search for 'this' like
- inserted in FPC stabs debug info */
+ /* Here we search for 'this' like
+ inserted in FPC stabs debug info. */
static const char this_name[] = "this";
if (lookup_symbol (this_name, expression_context_block,
- VAR_DOMAIN, (int *) NULL,
- (struct symtab **) NULL))
+ VAR_DOMAIN, (int *) NULL))
{
free (uptokstart);
return THIS;
if (*tokstart == '$')
{
+ char c;
/* $ is the normal prefix for pascal hexadecimal values
but this conflicts with the GDB use for debugger variables
so in expression to enter hexadecimal values
we still need to use C syntax with 0xff */
write_dollar_variable (yylval.sval);
+ c = tokstart[namelen];
+ tokstart[namelen] = 0;
+ intvar = lookup_only_internalvar (++tokstart);
+ --tokstart;
+ tokstart[namelen] = c;
free (uptokstart);
return VARIABLE;
}
if (search_field && current_type)
- is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
- if (is_a_field)
+ is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
+ if (is_a_field || in_parse_field)
sym = NULL;
else
sym = lookup_symbol (tmp, expression_context_block,
- VAR_DOMAIN,
- &is_a_field_of_this,
- (struct symtab **) NULL);
+ VAR_DOMAIN, &is_a_field_of_this);
/* second chance uppercased (as Free Pascal does). */
if (!sym && !is_a_field_of_this && !is_a_field)
{
tmp[i] -= ('a'-'A');
}
if (search_field && current_type)
- is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
- if (is_a_field)
+ is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
+ if (is_a_field || in_parse_field)
sym = NULL;
else
sym = lookup_symbol (tmp, expression_context_block,
- VAR_DOMAIN,
- &is_a_field_of_this,
- (struct symtab **) NULL);
+ VAR_DOMAIN, &is_a_field_of_this);
if (sym || is_a_field_of_this || is_a_field)
for (i = 0; i <= namelen; i++)
{
tmp[i] -= ('A'-'a');
}
if (search_field && current_type)
- is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
- if (is_a_field)
+ is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
+ if (is_a_field || in_parse_field)
sym = NULL;
else
sym = lookup_symbol (tmp, expression_context_block,
- VAR_DOMAIN,
- &is_a_field_of_this,
- (struct symtab **) NULL);
+ VAR_DOMAIN, &is_a_field_of_this);
if (sym || is_a_field_of_this || is_a_field)
for (i = 0; i <= namelen; i++)
{
tempbuf = (char *) realloc (tempbuf, namelen + 1);
strncpy (tempbuf, tokstart, namelen); tempbuf [namelen] = 0;
yylval.sval.ptr = tempbuf;
- yylval.sval.length = namelen;
+ yylval.sval.length = namelen;
free (uptokstart);
return FIELDNAME;
- }
+ }
/* Call lookup_symtab, not lookup_partial_symtab, in case there are
no psymtabs (coff, xcoff, or some future change to blow away the
psymtabs once once symbols are read). */
- if ((sym && SYMBOL_CLASS (sym) == LOC_BLOCK) ||
- lookup_symtab (tmp))
+ if ((sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
+ || lookup_symtab (tmp))
{
yylval.ssym.sym = sym;
yylval.ssym.is_a_field_of_this = is_a_field_of_this;
memcpy (tmp1, namestart, p - namestart);
tmp1[p - namestart] = '\0';
cur_sym = lookup_symbol (ncopy, expression_context_block,
- VAR_DOMAIN, (int *) NULL,
- (struct symtab **) NULL);
+ VAR_DOMAIN, (int *) NULL);
if (cur_sym)
{
if (SYMBOL_CLASS (cur_sym) == LOC_TYPEDEF)
return TYPENAME;
}
yylval.tsym.type
- = language_lookup_primitive_type_by_name (current_language,
- current_gdbarch, tmp);
+ = language_lookup_primitive_type_by_name (parse_language,
+ parse_gdbarch, tmp);
if (yylval.tsym.type != NULL)
{
free (uptokstart);
/* Input names that aren't symbols but ARE valid hex numbers,
when the input radix permits them, can be names or numbers
depending on the parse. Note we support radixes > 16 here. */
- if (!sym &&
- ((tokstart[0] >= 'a' && tokstart[0] < 'a' + input_radix - 10) ||
- (tokstart[0] >= 'A' && tokstart[0] < 'A' + input_radix - 10)))
+ if (!sym
+ && ((tokstart[0] >= 'a' && tokstart[0] < 'a' + input_radix - 10)
+ || (tokstart[0] >= 'A' && tokstart[0] < 'A' + input_radix - 10)))
{
YYSTYPE newlval; /* Its value is ignored. */
hextype = parse_number (tokstart, namelen, 0, &newlval);
}
free(uptokstart);
- /* Any other kind of symbol */
+ /* Any other kind of symbol. */
yylval.ssym.sym = sym;
yylval.ssym.is_a_field_of_this = is_a_field_of_this;
return NAME;
}
void
-yyerror (msg)
- char *msg;
+yyerror (char *msg)
{
if (prev_lexptr)
lexptr = prev_lexptr;
- error ("A %s in expression, near `%s'.", (msg ? msg : "error"), lexptr);
+ error (_("A %s in expression, near `%s'."), (msg ? msg : "error"), lexptr);
}
projects / deliverable / binutils-gdb.git / blobdiff