/* YACC parser for Fortran expressions, for GDB.
- Copyright (C) 1986-2020 Free Software Foundation, Inc.
+ Copyright (C) 1986-2022 Free Software Foundation, Inc.
Contributed by Motorola. Adapted from the C parser by Farooq Butt
(fmbutt@engage.sps.mot.com).
#include <ctype.h>
#include <algorithm>
#include "type-stack.h"
+#include "f-exp.h"
#define parse_type(ps) builtin_type (ps->gdbarch ())
#define parse_f_type(ps) builtin_f_type (ps->gdbarch ())
static struct type *convert_to_kind_type (struct type *basetype, int kind);
+static void wrap_unop_intrinsic (exp_opcode opcode);
+
+static void wrap_binop_intrinsic (exp_opcode opcode);
+
+static void wrap_ternop_intrinsic (exp_opcode opcode);
+
+template<typename T>
+static void fortran_wrap2_kind (type *base_type);
+
+template<typename T>
+static void fortran_wrap3_kind (type *base_type);
+
+using namespace expr;
%}
/* Although the yacc "value" of an expression is not used,
%token <lval> BOOLEAN_LITERAL
%token <ssym> NAME
%token <tsym> TYPENAME
+%token <voidval> COMPLETE
%type <sval> name
%type <ssym> name_not_typename
/* Special type cases, put in to allow the parser to distinguish different
legal basetypes. */
-%token INT_KEYWORD INT_S2_KEYWORD LOGICAL_S1_KEYWORD LOGICAL_S2_KEYWORD
+%token INT_S1_KEYWORD INT_S2_KEYWORD INT_KEYWORD INT_S4_KEYWORD INT_S8_KEYWORD
+%token LOGICAL_S1_KEYWORD LOGICAL_S2_KEYWORD LOGICAL_KEYWORD LOGICAL_S4_KEYWORD
%token LOGICAL_S8_KEYWORD
-%token LOGICAL_KEYWORD REAL_KEYWORD REAL_S8_KEYWORD REAL_S16_KEYWORD
-%token COMPLEX_KEYWORD
-%token COMPLEX_S8_KEYWORD COMPLEX_S16_KEYWORD COMPLEX_S32_KEYWORD
+%token REAL_KEYWORD REAL_S4_KEYWORD REAL_S8_KEYWORD REAL_S16_KEYWORD
+%token COMPLEX_KEYWORD COMPLEX_S4_KEYWORD COMPLEX_S8_KEYWORD
+%token COMPLEX_S16_KEYWORD
%token BOOL_AND BOOL_OR BOOL_NOT
%token SINGLE DOUBLE PRECISION
%token <lval> CHARACTER
-%token <voidval> DOLLAR_VARIABLE
+%token <sval> DOLLAR_VARIABLE
%token <opcode> ASSIGN_MODIFY
%token <opcode> UNOP_INTRINSIC BINOP_INTRINSIC
+%token <opcode> UNOP_OR_BINOP_INTRINSIC UNOP_OR_BINOP_OR_TERNOP_INTRINSIC
%left ','
%left ABOVE_COMMA
;
type_exp: type
- { write_exp_elt_opcode (pstate, OP_TYPE);
- write_exp_elt_type (pstate, $1);
- write_exp_elt_opcode (pstate, OP_TYPE); }
+ { pstate->push_new<type_operation> ($1); }
;
exp : '(' exp ')'
/* Expressions, not including the comma operator. */
exp : '*' exp %prec UNARY
- { write_exp_elt_opcode (pstate, UNOP_IND); }
+ { pstate->wrap<unop_ind_operation> (); }
;
exp : '&' exp %prec UNARY
- { write_exp_elt_opcode (pstate, UNOP_ADDR); }
+ { pstate->wrap<unop_addr_operation> (); }
;
exp : '-' exp %prec UNARY
- { write_exp_elt_opcode (pstate, UNOP_NEG); }
+ { pstate->wrap<unary_neg_operation> (); }
;
exp : BOOL_NOT exp %prec UNARY
- { write_exp_elt_opcode (pstate, UNOP_LOGICAL_NOT); }
+ { pstate->wrap<unary_logical_not_operation> (); }
;
exp : '~' exp %prec UNARY
- { write_exp_elt_opcode (pstate, UNOP_COMPLEMENT); }
+ { pstate->wrap<unary_complement_operation> (); }
;
exp : SIZEOF exp %prec UNARY
- { write_exp_elt_opcode (pstate, UNOP_SIZEOF); }
+ { pstate->wrap<unop_sizeof_operation> (); }
;
exp : KIND '(' exp ')' %prec UNARY
- { write_exp_elt_opcode (pstate, UNOP_FORTRAN_KIND); }
+ { pstate->wrap<fortran_kind_operation> (); }
;
/* No more explicit array operators, we treat everything in F77 as
exp : exp '('
{ pstate->start_arglist (); }
arglist ')'
- { write_exp_elt_opcode (pstate,
- OP_F77_UNDETERMINED_ARGLIST);
- write_exp_elt_longcst (pstate,
- pstate->end_arglist ());
- write_exp_elt_opcode (pstate,
- OP_F77_UNDETERMINED_ARGLIST); }
+ {
+ std::vector<operation_up> args
+ = pstate->pop_vector (pstate->end_arglist ());
+ pstate->push_new<fortran_undetermined>
+ (pstate->pop (), std::move (args));
+ }
;
exp : UNOP_INTRINSIC '(' exp ')'
- { write_exp_elt_opcode (pstate, $1); }
+ {
+ wrap_unop_intrinsic ($1);
+ }
;
exp : BINOP_INTRINSIC '(' exp ',' exp ')'
- { write_exp_elt_opcode (pstate, $1); }
+ {
+ wrap_binop_intrinsic ($1);
+ }
+ ;
+
+exp : UNOP_OR_BINOP_INTRINSIC '('
+ { pstate->start_arglist (); }
+ arglist ')'
+ {
+ const int n = pstate->end_arglist ();
+
+ switch (n)
+ {
+ case 1:
+ wrap_unop_intrinsic ($1);
+ break;
+ case 2:
+ wrap_binop_intrinsic ($1);
+ break;
+ default:
+ gdb_assert_not_reached
+ ("wrong number of arguments for intrinsics");
+ }
+ }
+
+exp : UNOP_OR_BINOP_OR_TERNOP_INTRINSIC '('
+ { pstate->start_arglist (); }
+ arglist ')'
+ {
+ const int n = pstate->end_arglist ();
+
+ switch (n)
+ {
+ case 1:
+ wrap_unop_intrinsic ($1);
+ break;
+ case 2:
+ wrap_binop_intrinsic ($1);
+ break;
+ case 3:
+ wrap_ternop_intrinsic ($1);
+ break;
+ default:
+ gdb_assert_not_reached
+ ("wrong number of arguments for intrinsics");
+ }
+ }
;
arglist :
/* There are four sorts of subrange types in F90. */
subrange: exp ':' exp %prec ABOVE_COMMA
- { write_exp_elt_opcode (pstate, OP_RANGE);
- write_exp_elt_longcst (pstate, RANGE_STANDARD);
- write_exp_elt_opcode (pstate, OP_RANGE); }
+ {
+ operation_up high = pstate->pop ();
+ operation_up low = pstate->pop ();
+ pstate->push_new<fortran_range_operation>
+ (RANGE_STANDARD, std::move (low),
+ std::move (high), operation_up ());
+ }
;
subrange: exp ':' %prec ABOVE_COMMA
- { write_exp_elt_opcode (pstate, OP_RANGE);
- write_exp_elt_longcst (pstate,
- RANGE_HIGH_BOUND_DEFAULT);
- write_exp_elt_opcode (pstate, OP_RANGE); }
+ {
+ operation_up low = pstate->pop ();
+ pstate->push_new<fortran_range_operation>
+ (RANGE_HIGH_BOUND_DEFAULT, std::move (low),
+ operation_up (), operation_up ());
+ }
;
subrange: ':' exp %prec ABOVE_COMMA
- { write_exp_elt_opcode (pstate, OP_RANGE);
- write_exp_elt_longcst (pstate,
- RANGE_LOW_BOUND_DEFAULT);
- write_exp_elt_opcode (pstate, OP_RANGE); }
+ {
+ operation_up high = pstate->pop ();
+ pstate->push_new<fortran_range_operation>
+ (RANGE_LOW_BOUND_DEFAULT, operation_up (),
+ std::move (high), operation_up ());
+ }
;
subrange: ':' %prec ABOVE_COMMA
- { write_exp_elt_opcode (pstate, OP_RANGE);
- write_exp_elt_longcst (pstate,
- (RANGE_LOW_BOUND_DEFAULT
- | RANGE_HIGH_BOUND_DEFAULT));
- write_exp_elt_opcode (pstate, OP_RANGE); }
+ {
+ pstate->push_new<fortran_range_operation>
+ (RANGE_LOW_BOUND_DEFAULT
+ | RANGE_HIGH_BOUND_DEFAULT,
+ operation_up (), operation_up (),
+ operation_up ());
+ }
;
/* And each of the four subrange types can also have a stride. */
subrange: exp ':' exp ':' exp %prec ABOVE_COMMA
- { write_exp_elt_opcode (pstate, OP_RANGE);
- write_exp_elt_longcst (pstate, RANGE_HAS_STRIDE);
- write_exp_elt_opcode (pstate, OP_RANGE); }
+ {
+ operation_up stride = pstate->pop ();
+ operation_up high = pstate->pop ();
+ operation_up low = pstate->pop ();
+ pstate->push_new<fortran_range_operation>
+ (RANGE_STANDARD | RANGE_HAS_STRIDE,
+ std::move (low), std::move (high),
+ std::move (stride));
+ }
;
subrange: exp ':' ':' exp %prec ABOVE_COMMA
- { write_exp_elt_opcode (pstate, OP_RANGE);
- write_exp_elt_longcst (pstate,
- (RANGE_HIGH_BOUND_DEFAULT
- | RANGE_HAS_STRIDE));
- write_exp_elt_opcode (pstate, OP_RANGE); }
+ {
+ operation_up stride = pstate->pop ();
+ operation_up low = pstate->pop ();
+ pstate->push_new<fortran_range_operation>
+ (RANGE_HIGH_BOUND_DEFAULT
+ | RANGE_HAS_STRIDE,
+ std::move (low), operation_up (),
+ std::move (stride));
+ }
;
subrange: ':' exp ':' exp %prec ABOVE_COMMA
- { write_exp_elt_opcode (pstate, OP_RANGE);
- write_exp_elt_longcst (pstate,
- (RANGE_LOW_BOUND_DEFAULT
- | RANGE_HAS_STRIDE));
- write_exp_elt_opcode (pstate, OP_RANGE); }
+ {
+ operation_up stride = pstate->pop ();
+ operation_up high = pstate->pop ();
+ pstate->push_new<fortran_range_operation>
+ (RANGE_LOW_BOUND_DEFAULT
+ | RANGE_HAS_STRIDE,
+ operation_up (), std::move (high),
+ std::move (stride));
+ }
;
subrange: ':' ':' exp %prec ABOVE_COMMA
- { write_exp_elt_opcode (pstate, OP_RANGE);
- write_exp_elt_longcst (pstate,
- (RANGE_LOW_BOUND_DEFAULT
- | RANGE_HIGH_BOUND_DEFAULT
- | RANGE_HAS_STRIDE));
- write_exp_elt_opcode (pstate, OP_RANGE); }
+ {
+ operation_up stride = pstate->pop ();
+ pstate->push_new<fortran_range_operation>
+ (RANGE_LOW_BOUND_DEFAULT
+ | RANGE_HIGH_BOUND_DEFAULT
+ | RANGE_HAS_STRIDE,
+ operation_up (), operation_up (),
+ std::move (stride));
+ }
;
complexnum: exp ',' exp
;
exp : '(' complexnum ')'
- { write_exp_elt_opcode (pstate, OP_COMPLEX);
- write_exp_elt_type (pstate,
- parse_f_type (pstate)
- ->builtin_complex_s16);
- write_exp_elt_opcode (pstate, OP_COMPLEX); }
+ {
+ operation_up rhs = pstate->pop ();
+ operation_up lhs = pstate->pop ();
+ pstate->push_new<complex_operation>
+ (std::move (lhs), std::move (rhs),
+ parse_f_type (pstate)->builtin_complex_s16);
+ }
;
exp : '(' type ')' exp %prec UNARY
- { write_exp_elt_opcode (pstate, UNOP_CAST);
- write_exp_elt_type (pstate, $2);
- write_exp_elt_opcode (pstate, UNOP_CAST); }
+ {
+ pstate->push_new<unop_cast_operation>
+ (pstate->pop (), $2);
+ }
;
exp : exp '%' name
- { write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
- write_exp_string (pstate, $3);
- write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
+ {
+ pstate->push_new<fortran_structop_operation>
+ (pstate->pop (), copy_name ($3));
+ }
+ ;
+
+exp : exp '%' name COMPLETE
+ {
+ structop_base_operation *op
+ = new fortran_structop_operation (pstate->pop (),
+ copy_name ($3));
+ pstate->mark_struct_expression (op);
+ pstate->push (operation_up (op));
+ }
+ ;
+
+exp : exp '%' COMPLETE
+ {
+ structop_base_operation *op
+ = new fortran_structop_operation (pstate->pop (),
+ "");
+ pstate->mark_struct_expression (op);
+ pstate->push (operation_up (op));
+ }
;
/* Binary operators in order of decreasing precedence. */
exp : exp '@' exp
- { write_exp_elt_opcode (pstate, BINOP_REPEAT); }
+ { pstate->wrap2<repeat_operation> (); }
;
exp : exp STARSTAR exp
- { write_exp_elt_opcode (pstate, BINOP_EXP); }
+ { pstate->wrap2<exp_operation> (); }
;
exp : exp '*' exp
- { write_exp_elt_opcode (pstate, BINOP_MUL); }
+ { pstate->wrap2<mul_operation> (); }
;
exp : exp '/' exp
- { write_exp_elt_opcode (pstate, BINOP_DIV); }
+ { pstate->wrap2<div_operation> (); }
;
exp : exp '+' exp
- { write_exp_elt_opcode (pstate, BINOP_ADD); }
+ { pstate->wrap2<add_operation> (); }
;
exp : exp '-' exp
- { write_exp_elt_opcode (pstate, BINOP_SUB); }
+ { pstate->wrap2<sub_operation> (); }
;
exp : exp LSH exp
- { write_exp_elt_opcode (pstate, BINOP_LSH); }
+ { pstate->wrap2<lsh_operation> (); }
;
exp : exp RSH exp
- { write_exp_elt_opcode (pstate, BINOP_RSH); }
+ { pstate->wrap2<rsh_operation> (); }
;
exp : exp EQUAL exp
- { write_exp_elt_opcode (pstate, BINOP_EQUAL); }
+ { pstate->wrap2<equal_operation> (); }
;
exp : exp NOTEQUAL exp
- { write_exp_elt_opcode (pstate, BINOP_NOTEQUAL); }
+ { pstate->wrap2<notequal_operation> (); }
;
exp : exp LEQ exp
- { write_exp_elt_opcode (pstate, BINOP_LEQ); }
+ { pstate->wrap2<leq_operation> (); }
;
exp : exp GEQ exp
- { write_exp_elt_opcode (pstate, BINOP_GEQ); }
+ { pstate->wrap2<geq_operation> (); }
;
exp : exp LESSTHAN exp
- { write_exp_elt_opcode (pstate, BINOP_LESS); }
+ { pstate->wrap2<less_operation> (); }
;
exp : exp GREATERTHAN exp
- { write_exp_elt_opcode (pstate, BINOP_GTR); }
+ { pstate->wrap2<gtr_operation> (); }
;
exp : exp '&' exp
- { write_exp_elt_opcode (pstate, BINOP_BITWISE_AND); }
+ { pstate->wrap2<bitwise_and_operation> (); }
;
exp : exp '^' exp
- { write_exp_elt_opcode (pstate, BINOP_BITWISE_XOR); }
+ { pstate->wrap2<bitwise_xor_operation> (); }
;
exp : exp '|' exp
- { write_exp_elt_opcode (pstate, BINOP_BITWISE_IOR); }
+ { pstate->wrap2<bitwise_ior_operation> (); }
;
exp : exp BOOL_AND exp
- { write_exp_elt_opcode (pstate, BINOP_LOGICAL_AND); }
+ { pstate->wrap2<logical_and_operation> (); }
;
exp : exp BOOL_OR exp
- { write_exp_elt_opcode (pstate, BINOP_LOGICAL_OR); }
+ { pstate->wrap2<logical_or_operation> (); }
;
exp : exp '=' exp
- { write_exp_elt_opcode (pstate, BINOP_ASSIGN); }
+ { pstate->wrap2<assign_operation> (); }
;
exp : exp ASSIGN_MODIFY exp
- { write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY);
- write_exp_elt_opcode (pstate, $2);
- write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY); }
+ {
+ operation_up rhs = pstate->pop ();
+ operation_up lhs = pstate->pop ();
+ pstate->push_new<assign_modify_operation>
+ ($2, std::move (lhs), std::move (rhs));
+ }
;
exp : INT
- { 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); }
+ {
+ pstate->push_new<long_const_operation>
+ ($1.type, $1.val);
+ }
;
exp : NAME_OR_INT
{ YYSTYPE val;
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.type);
- write_exp_elt_longcst (pstate,
- (LONGEST)val.typed_val.val);
- write_exp_elt_opcode (pstate, OP_LONG); }
+ pstate->push_new<long_const_operation>
+ (val.typed_val.type,
+ val.typed_val.val);
+ }
;
exp : FLOAT
- { write_exp_elt_opcode (pstate, OP_FLOAT);
- write_exp_elt_type (pstate, $1.type);
- write_exp_elt_floatcst (pstate, $1.val);
- write_exp_elt_opcode (pstate, OP_FLOAT); }
+ {
+ float_data data;
+ std::copy (std::begin ($1.val), std::end ($1.val),
+ std::begin (data));
+ pstate->push_new<float_const_operation> ($1.type, data);
+ }
;
exp : variable
;
exp : DOLLAR_VARIABLE
+ { pstate->push_dollar ($1); }
;
exp : SIZEOF '(' type ')' %prec UNARY
- { write_exp_elt_opcode (pstate, OP_LONG);
- write_exp_elt_type (pstate,
- parse_f_type (pstate)
- ->builtin_integer);
+ {
$3 = check_typedef ($3);
- write_exp_elt_longcst (pstate,
- (LONGEST) TYPE_LENGTH ($3));
- write_exp_elt_opcode (pstate, OP_LONG); }
+ pstate->push_new<long_const_operation>
+ (parse_f_type (pstate)->builtin_integer,
+ TYPE_LENGTH ($3));
+ }
;
exp : BOOLEAN_LITERAL
- { write_exp_elt_opcode (pstate, OP_BOOL);
- write_exp_elt_longcst (pstate, (LONGEST) $1);
- write_exp_elt_opcode (pstate, OP_BOOL);
- }
+ { pstate->push_new<bool_operation> ($1); }
;
exp : STRING_LITERAL
{
- write_exp_elt_opcode (pstate, OP_STRING);
- write_exp_string (pstate, $1);
- write_exp_elt_opcode (pstate, OP_STRING);
+ pstate->push_new<string_operation>
+ (copy_name ($1));
}
;
variable: name_not_typename
{ struct block_symbol sym = $1.sym;
-
- if (sym.symbol)
- {
- if (symbol_read_needs_frame (sym.symbol))
- pstate->block_tracker->update (sym);
- write_exp_elt_opcode (pstate, OP_VAR_VALUE);
- write_exp_elt_block (pstate, sym.block);
- write_exp_elt_sym (pstate, sym.symbol);
- write_exp_elt_opcode (pstate, OP_VAR_VALUE);
- break;
- }
- else
- {
- struct bound_minimal_symbol msymbol;
- std::string arg = copy_name ($1.stoken);
-
- msymbol =
- lookup_bound_minimal_symbol (arg.c_str ());
- 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
- error (_("No symbol \"%s\" in current context."),
- arg.c_str ());
- }
+ std::string name = copy_name ($1.stoken);
+ pstate->push_symbol (name.c_str (), sym);
}
;
typebase /* Implements (approximately): (type-qualifier)* type-specifier */
: TYPENAME
{ $$ = $1.type; }
+ | INT_S1_KEYWORD
+ { $$ = parse_f_type (pstate)->builtin_integer_s1; }
+ | INT_S2_KEYWORD
+ { $$ = parse_f_type (pstate)->builtin_integer_s2; }
| INT_KEYWORD
{ $$ = parse_f_type (pstate)->builtin_integer; }
- | INT_S2_KEYWORD
- { $$ = parse_f_type (pstate)->builtin_integer_s2; }
+ | INT_S4_KEYWORD
+ { $$ = parse_f_type (pstate)->builtin_integer; }
+ | INT_S8_KEYWORD
+ { $$ = parse_f_type (pstate)->builtin_integer_s8; }
| CHARACTER
{ $$ = parse_f_type (pstate)->builtin_character; }
- | LOGICAL_S8_KEYWORD
- { $$ = parse_f_type (pstate)->builtin_logical_s8; }
- | LOGICAL_KEYWORD
- { $$ = parse_f_type (pstate)->builtin_logical; }
- | LOGICAL_S2_KEYWORD
- { $$ = parse_f_type (pstate)->builtin_logical_s2; }
| LOGICAL_S1_KEYWORD
{ $$ = parse_f_type (pstate)->builtin_logical_s1; }
+ | LOGICAL_S2_KEYWORD
+ { $$ = parse_f_type (pstate)->builtin_logical_s2; }
+ | LOGICAL_KEYWORD
+ { $$ = parse_f_type (pstate)->builtin_logical; }
+ | LOGICAL_S4_KEYWORD
+ { $$ = parse_f_type (pstate)->builtin_logical; }
+ | LOGICAL_S8_KEYWORD
+ { $$ = parse_f_type (pstate)->builtin_logical_s8; }
| REAL_KEYWORD
{ $$ = parse_f_type (pstate)->builtin_real; }
+ | REAL_S4_KEYWORD
+ { $$ = parse_f_type (pstate)->builtin_real; }
| REAL_S8_KEYWORD
{ $$ = parse_f_type (pstate)->builtin_real_s8; }
| REAL_S16_KEYWORD
{ $$ = parse_f_type (pstate)->builtin_real_s16; }
| COMPLEX_KEYWORD
- { $$ = parse_f_type (pstate)->builtin_complex_s8; }
+ { $$ = parse_f_type (pstate)->builtin_complex; }
+ | COMPLEX_S4_KEYWORD
+ { $$ = parse_f_type (pstate)->builtin_complex; }
| COMPLEX_S8_KEYWORD
{ $$ = parse_f_type (pstate)->builtin_complex_s8; }
| COMPLEX_S16_KEYWORD
{ $$ = parse_f_type (pstate)->builtin_complex_s16; }
- | COMPLEX_S32_KEYWORD
- { $$ = parse_f_type (pstate)->builtin_complex_s32; }
| SINGLE PRECISION
{ $$ = parse_f_type (pstate)->builtin_real;}
| DOUBLE PRECISION
{ $$ = parse_f_type (pstate)->builtin_real_s8;}
| SINGLE COMPLEX_KEYWORD
- { $$ = parse_f_type (pstate)->builtin_complex_s8;}
+ { $$ = parse_f_type (pstate)->builtin_complex;}
| DOUBLE COMPLEX_KEYWORD
- { $$ = parse_f_type (pstate)->builtin_complex_s16;}
+ { $$ = parse_f_type (pstate)->builtin_complex_s8;}
;
nonempty_typelist
}
;
-name : NAME
- { $$ = $1.stoken; }
+name
+ : NAME
+ { $$ = $1.stoken; }
+ | TYPENAME
+ { $$ = $1.stoken; }
;
name_not_typename : NAME
%%
+/* Called to match intrinsic function calls with one argument to their
+ respective implementation and push the operation. */
+
+static void
+wrap_unop_intrinsic (exp_opcode code)
+{
+ switch (code)
+ {
+ case UNOP_ABS:
+ pstate->wrap<fortran_abs_operation> ();
+ break;
+ case FORTRAN_FLOOR:
+ pstate->wrap<fortran_floor_operation_1arg> ();
+ break;
+ case FORTRAN_CEILING:
+ pstate->wrap<fortran_ceil_operation_1arg> ();
+ break;
+ case UNOP_FORTRAN_ALLOCATED:
+ pstate->wrap<fortran_allocated_operation> ();
+ break;
+ case UNOP_FORTRAN_RANK:
+ pstate->wrap<fortran_rank_operation> ();
+ break;
+ case UNOP_FORTRAN_SHAPE:
+ pstate->wrap<fortran_array_shape_operation> ();
+ break;
+ case UNOP_FORTRAN_LOC:
+ pstate->wrap<fortran_loc_operation> ();
+ break;
+ case FORTRAN_ASSOCIATED:
+ pstate->wrap<fortran_associated_1arg> ();
+ break;
+ case FORTRAN_ARRAY_SIZE:
+ pstate->wrap<fortran_array_size_1arg> ();
+ break;
+ case FORTRAN_CMPLX:
+ pstate->wrap<fortran_cmplx_operation_1arg> ();
+ break;
+ case FORTRAN_LBOUND:
+ case FORTRAN_UBOUND:
+ pstate->push_new<fortran_bound_1arg> (code, pstate->pop ());
+ break;
+ default:
+ gdb_assert_not_reached ("unhandled intrinsic");
+ }
+}
+
+/* Called to match intrinsic function calls with two arguments to their
+ respective implementation and push the operation. */
+
+static void
+wrap_binop_intrinsic (exp_opcode code)
+{
+ switch (code)
+ {
+ case FORTRAN_FLOOR:
+ fortran_wrap2_kind<fortran_floor_operation_2arg>
+ (parse_f_type (pstate)->builtin_integer);
+ break;
+ case FORTRAN_CEILING:
+ fortran_wrap2_kind<fortran_ceil_operation_2arg>
+ (parse_f_type (pstate)->builtin_integer);
+ break;
+ case BINOP_MOD:
+ pstate->wrap2<fortran_mod_operation> ();
+ break;
+ case BINOP_FORTRAN_MODULO:
+ pstate->wrap2<fortran_modulo_operation> ();
+ break;
+ case FORTRAN_CMPLX:
+ pstate->wrap2<fortran_cmplx_operation_2arg> ();
+ break;
+ case FORTRAN_ASSOCIATED:
+ pstate->wrap2<fortran_associated_2arg> ();
+ break;
+ case FORTRAN_ARRAY_SIZE:
+ pstate->wrap2<fortran_array_size_2arg> ();
+ break;
+ case FORTRAN_LBOUND:
+ case FORTRAN_UBOUND:
+ {
+ operation_up arg2 = pstate->pop ();
+ operation_up arg1 = pstate->pop ();
+ pstate->push_new<fortran_bound_2arg> (code, std::move (arg1),
+ std::move (arg2));
+ }
+ break;
+ default:
+ gdb_assert_not_reached ("unhandled intrinsic");
+ }
+}
+
+/* Called to match intrinsic function calls with three arguments to their
+ respective implementation and push the operation. */
+
+static void
+wrap_ternop_intrinsic (exp_opcode code)
+{
+ switch (code)
+ {
+ case FORTRAN_LBOUND:
+ case FORTRAN_UBOUND:
+ {
+ operation_up kind_arg = pstate->pop ();
+ operation_up arg2 = pstate->pop ();
+ operation_up arg1 = pstate->pop ();
+
+ value *val = kind_arg->evaluate (nullptr, pstate->expout.get (),
+ EVAL_AVOID_SIDE_EFFECTS);
+ gdb_assert (val != nullptr);
+
+ type *follow_type
+ = convert_to_kind_type (parse_f_type (pstate)->builtin_integer,
+ value_as_long (val));
+
+ pstate->push_new<fortran_bound_3arg> (code, std::move (arg1),
+ std::move (arg2), follow_type);
+ }
+ break;
+ case FORTRAN_ARRAY_SIZE:
+ fortran_wrap3_kind<fortran_array_size_3arg>
+ (parse_f_type (pstate)->builtin_integer);
+ break;
+ case FORTRAN_CMPLX:
+ fortran_wrap3_kind<fortran_cmplx_operation_3arg>
+ (parse_f_type (pstate)->builtin_complex);
+ break;
+ default:
+ gdb_assert_not_reached ("unhandled intrinsic");
+ }
+}
+
+/* A helper that pops two operations (similar to wrap2), evaluates the last one
+ assuming it is a kind parameter, and wraps them in some other operation
+ pushing it to the stack. */
+
+template<typename T>
+static void
+fortran_wrap2_kind (type *base_type)
+{
+ operation_up kind_arg = pstate->pop ();
+ operation_up arg = pstate->pop ();
+
+ value *val = kind_arg->evaluate (nullptr, pstate->expout.get (),
+ EVAL_AVOID_SIDE_EFFECTS);
+ gdb_assert (val != nullptr);
+
+ type *follow_type = convert_to_kind_type (base_type, value_as_long (val));
+
+ pstate->push_new<T> (std::move (arg), follow_type);
+}
+
+/* A helper that pops three operations, evaluates the last one assuming it is a
+ kind parameter, and wraps them in some other operation pushing it to the
+ stack. */
+
+template<typename T>
+static void
+fortran_wrap3_kind (type *base_type)
+{
+ operation_up kind_arg = pstate->pop ();
+ operation_up arg2 = pstate->pop ();
+ operation_up arg1 = pstate->pop ();
+
+ value *val = kind_arg->evaluate (nullptr, pstate->expout.get (),
+ EVAL_AVOID_SIDE_EFFECTS);
+ gdb_assert (val != nullptr);
+
+ type *follow_type = convert_to_kind_type (base_type, value_as_long (val));
+
+ pstate->push_new<T> (std::move (arg1), std::move (arg2), follow_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. */
parse_number (struct parser_state *par_state,
const char *p, int len, int parsed_float, YYSTYPE *putithere)
{
- LONGEST n = 0;
- LONGEST prevn = 0;
+ ULONGEST n = 0;
+ ULONGEST prevn = 0;
int c;
int base = input_radix;
int unsigned_p = 0;
}
/* Handle base-switching prefixes 0x, 0t, 0d, 0 */
- if (p[0] == '0')
+ if (p[0] == '0' && len > 1)
switch (p[1])
{
case 'x':
/* If range checking enabled, portably test for unsigned overflow. */
if (RANGE_CHECK && n != 0)
{
- if ((unsigned_p && (unsigned)prevn >= (unsigned)n))
+ if ((unsigned_p && prevn >= n))
range_error (_("Overflow on numeric constant."));
}
prevn = n;
if (kind == 1)
return parse_f_type (pstate)->builtin_character;
}
- else if (basetype == parse_f_type (pstate)->builtin_complex_s8)
+ else if (basetype == parse_f_type (pstate)->builtin_complex)
{
if (kind == 4)
- return parse_f_type (pstate)->builtin_complex_s8;
+ return parse_f_type (pstate)->builtin_complex;
else if (kind == 8)
- return parse_f_type (pstate)->builtin_complex_s16;
+ return parse_f_type (pstate)->builtin_complex_s8;
else if (kind == 16)
- return parse_f_type (pstate)->builtin_complex_s32;
+ return parse_f_type (pstate)->builtin_complex_s16;
}
else if (basetype == parse_f_type (pstate)->builtin_real)
{
}
else if (basetype == parse_f_type (pstate)->builtin_integer)
{
- if (kind == 2)
+ if (kind == 1)
+ return parse_f_type (pstate)->builtin_integer_s1;
+ else if (kind == 2)
return parse_f_type (pstate)->builtin_integer_s2;
else if (kind == 4)
return parse_f_type (pstate)->builtin_integer;
bool case_sensitive;
};
-static const struct token dot_ops[] =
+/* List of Fortran operators. */
+
+static const struct token fortran_operators[] =
{
- { ".and.", BOOL_AND, BINOP_END, false },
- { ".or.", BOOL_OR, BINOP_END, false },
- { ".not.", BOOL_NOT, BINOP_END, false },
- { ".eq.", EQUAL, BINOP_END, false },
- { ".eqv.", EQUAL, BINOP_END, false },
- { ".neqv.", NOTEQUAL, BINOP_END, false },
- { ".ne.", NOTEQUAL, BINOP_END, false },
- { ".le.", LEQ, BINOP_END, false },
- { ".ge.", GEQ, BINOP_END, false },
- { ".gt.", GREATERTHAN, BINOP_END, false },
- { ".lt.", LESSTHAN, BINOP_END, false },
+ { ".and.", BOOL_AND, OP_NULL, false },
+ { ".or.", BOOL_OR, OP_NULL, false },
+ { ".not.", BOOL_NOT, OP_NULL, false },
+ { ".eq.", EQUAL, OP_NULL, false },
+ { ".eqv.", EQUAL, OP_NULL, false },
+ { ".neqv.", NOTEQUAL, OP_NULL, false },
+ { ".xor.", NOTEQUAL, OP_NULL, false },
+ { "==", EQUAL, OP_NULL, false },
+ { ".ne.", NOTEQUAL, OP_NULL, false },
+ { "/=", NOTEQUAL, OP_NULL, false },
+ { ".le.", LEQ, OP_NULL, false },
+ { "<=", LEQ, OP_NULL, false },
+ { ".ge.", GEQ, OP_NULL, false },
+ { ">=", GEQ, OP_NULL, false },
+ { ".gt.", GREATERTHAN, OP_NULL, false },
+ { ">", GREATERTHAN, OP_NULL, false },
+ { ".lt.", LESSTHAN, OP_NULL, false },
+ { "<", LESSTHAN, OP_NULL, false },
+ { "**", STARSTAR, BINOP_EXP, false },
};
/* Holds the Fortran representation of a boolean, and the integer value we
{ ".false.", 0 }
};
-static const struct token f77_keywords[] =
+static const token f_keywords[] =
{
/* Historically these have always been lowercase only in GDB. */
- { "complex_16", COMPLEX_S16_KEYWORD, BINOP_END, true },
- { "complex_32", COMPLEX_S32_KEYWORD, BINOP_END, true },
- { "character", CHARACTER, BINOP_END, true },
- { "integer_2", INT_S2_KEYWORD, BINOP_END, true },
- { "logical_1", LOGICAL_S1_KEYWORD, BINOP_END, true },
- { "logical_2", LOGICAL_S2_KEYWORD, BINOP_END, true },
- { "logical_8", LOGICAL_S8_KEYWORD, BINOP_END, true },
- { "complex_8", COMPLEX_S8_KEYWORD, BINOP_END, true },
- { "integer", INT_KEYWORD, BINOP_END, true },
- { "logical", LOGICAL_KEYWORD, BINOP_END, true },
- { "real_16", REAL_S16_KEYWORD, BINOP_END, true },
- { "complex", COMPLEX_KEYWORD, BINOP_END, true },
- { "sizeof", SIZEOF, BINOP_END, true },
- { "real_8", REAL_S8_KEYWORD, BINOP_END, true },
- { "real", REAL_KEYWORD, BINOP_END, true },
- { "single", SINGLE, BINOP_END, true },
- { "double", DOUBLE, BINOP_END, true },
- { "precision", PRECISION, BINOP_END, true },
+ { "character", CHARACTER, OP_NULL, true },
+ { "complex", COMPLEX_KEYWORD, OP_NULL, true },
+ { "complex_4", COMPLEX_S4_KEYWORD, OP_NULL, true },
+ { "complex_8", COMPLEX_S8_KEYWORD, OP_NULL, true },
+ { "complex_16", COMPLEX_S16_KEYWORD, OP_NULL, true },
+ { "integer_1", INT_S1_KEYWORD, OP_NULL, true },
+ { "integer_2", INT_S2_KEYWORD, OP_NULL, true },
+ { "integer_4", INT_S4_KEYWORD, OP_NULL, true },
+ { "integer", INT_KEYWORD, OP_NULL, true },
+ { "integer_8", INT_S8_KEYWORD, OP_NULL, true },
+ { "logical_1", LOGICAL_S1_KEYWORD, OP_NULL, true },
+ { "logical_2", LOGICAL_S2_KEYWORD, OP_NULL, true },
+ { "logical", LOGICAL_KEYWORD, OP_NULL, true },
+ { "logical_4", LOGICAL_S4_KEYWORD, OP_NULL, true },
+ { "logical_8", LOGICAL_S8_KEYWORD, OP_NULL, true },
+ { "real", REAL_KEYWORD, OP_NULL, true },
+ { "real_4", REAL_S4_KEYWORD, OP_NULL, true },
+ { "real_8", REAL_S8_KEYWORD, OP_NULL, true },
+ { "real_16", REAL_S16_KEYWORD, OP_NULL, true },
+ { "sizeof", SIZEOF, OP_NULL, true },
+ { "single", SINGLE, OP_NULL, true },
+ { "double", DOUBLE, OP_NULL, true },
+ { "precision", PRECISION, OP_NULL, true },
/* The following correspond to actual functions in Fortran and are case
insensitive. */
- { "kind", KIND, BINOP_END, false },
+ { "kind", KIND, OP_NULL, false },
{ "abs", UNOP_INTRINSIC, UNOP_ABS, false },
{ "mod", BINOP_INTRINSIC, BINOP_MOD, false },
- { "floor", UNOP_INTRINSIC, UNOP_FORTRAN_FLOOR, false },
- { "ceiling", UNOP_INTRINSIC, UNOP_FORTRAN_CEILING, false },
+ { "floor", UNOP_OR_BINOP_INTRINSIC, FORTRAN_FLOOR, false },
+ { "ceiling", UNOP_OR_BINOP_INTRINSIC, FORTRAN_CEILING, false },
{ "modulo", BINOP_INTRINSIC, BINOP_FORTRAN_MODULO, false },
- { "cmplx", BINOP_INTRINSIC, BINOP_FORTRAN_CMPLX, false },
+ { "cmplx", UNOP_OR_BINOP_OR_TERNOP_INTRINSIC, FORTRAN_CMPLX, false },
+ { "lbound", UNOP_OR_BINOP_OR_TERNOP_INTRINSIC, FORTRAN_LBOUND, false },
+ { "ubound", UNOP_OR_BINOP_OR_TERNOP_INTRINSIC, FORTRAN_UBOUND, false },
+ { "allocated", UNOP_INTRINSIC, UNOP_FORTRAN_ALLOCATED, false },
+ { "associated", UNOP_OR_BINOP_INTRINSIC, FORTRAN_ASSOCIATED, false },
+ { "rank", UNOP_INTRINSIC, UNOP_FORTRAN_RANK, false },
+ { "size", UNOP_OR_BINOP_OR_TERNOP_INTRINSIC, FORTRAN_ARRAY_SIZE, false },
+ { "shape", UNOP_INTRINSIC, UNOP_FORTRAN_SHAPE, false },
+ { "loc", UNOP_INTRINSIC, UNOP_FORTRAN_LOC, false },
};
/* Implementation of a dynamically expandable buffer for processing input
}
}
+/* This is set if a NAME token appeared at the very end of the input
+ string, with no whitespace separating the name from the EOF. This
+ is used only when parsing to do field name completion. */
+static bool saw_name_at_eof;
+
+/* This is set if the previously-returned token was a structure
+ operator '%'. */
+static bool last_was_structop;
+
/* Read one token, getting characters through lexptr. */
static int
int namelen;
unsigned int token;
const char *tokstart;
-
+ bool saw_structop = last_was_structop;
+
+ last_was_structop = false;
+
retry:
pstate->prev_lexptr = pstate->lexptr;
if (*pstate->lexptr == '.')
{
- for (int i = 0; i < ARRAY_SIZE (boolean_values); i++)
+ for (const auto &candidate : boolean_values)
{
- if (strncasecmp (tokstart, boolean_values[i].name,
- strlen (boolean_values[i].name)) == 0)
+ if (strncasecmp (tokstart, candidate.name,
+ strlen (candidate.name)) == 0)
{
- pstate->lexptr += strlen (boolean_values[i].name);
- yylval.lval = boolean_values[i].value;
+ pstate->lexptr += strlen (candidate.name);
+ yylval.lval = candidate.value;
return BOOLEAN_LITERAL;
}
}
}
- /* See if it is a special .foo. operator. */
- for (int i = 0; i < ARRAY_SIZE (dot_ops); i++)
- if (strncasecmp (tokstart, dot_ops[i].oper,
- strlen (dot_ops[i].oper)) == 0)
+ /* See if it is a Fortran operator. */
+ for (const auto &candidate : fortran_operators)
+ if (strncasecmp (tokstart, candidate.oper,
+ strlen (candidate.oper)) == 0)
{
- gdb_assert (!dot_ops[i].case_sensitive);
- pstate->lexptr += strlen (dot_ops[i].oper);
- yylval.opcode = dot_ops[i].opcode;
- return dot_ops[i].token;
+ gdb_assert (!candidate.case_sensitive);
+ pstate->lexptr += strlen (candidate.oper);
+ yylval.opcode = candidate.opcode;
+ return candidate.token;
}
- /* See if it is an exponentiation operator. */
-
- if (strncmp (tokstart, "**", 2) == 0)
- {
- pstate->lexptr += 2;
- yylval.opcode = BINOP_EXP;
- return STARSTAR;
- }
-
switch (c = *tokstart)
{
case 0:
+ if (saw_name_at_eof)
+ {
+ saw_name_at_eof = false;
+ return COMPLETE;
+ }
+ else if (pstate->parse_completion && saw_structop)
+ return COMPLETE;
return 0;
case ' ':
pstate->lexptr = p;
return toktype;
}
-
+
+ case '%':
+ last_was_structop = true;
+ /* Fall through. */
case '+':
case '-':
case '*':
case '/':
- case '%':
case '|':
case '&':
case '^':
/* Catch specific keywords. */
- for (int i = 0; i < ARRAY_SIZE (f77_keywords); i++)
- if (strlen (f77_keywords[i].oper) == namelen
- && ((!f77_keywords[i].case_sensitive
- && strncasecmp (tokstart, f77_keywords[i].oper, namelen) == 0)
- || (f77_keywords[i].case_sensitive
- && strncmp (tokstart, f77_keywords[i].oper, namelen) == 0)))
+ for (const auto &keyword : f_keywords)
+ if (strlen (keyword.oper) == namelen
+ && ((!keyword.case_sensitive
+ && strncasecmp (tokstart, keyword.oper, namelen) == 0)
+ || (keyword.case_sensitive
+ && strncmp (tokstart, keyword.oper, namelen) == 0)))
{
- yylval.opcode = f77_keywords[i].opcode;
- return f77_keywords[i].token;
+ yylval.opcode = keyword.opcode;
+ return keyword.token;
}
yylval.sval.ptr = tokstart;
yylval.sval.length = namelen;
if (*tokstart == '$')
- {
- write_dollar_variable (pstate, yylval.sval);
- return DOLLAR_VARIABLE;
- }
-
+ return DOLLAR_VARIABLE;
+
/* Use token-type TYPENAME for symbols that happen to be defined
currently as names of types; NAME for other symbols.
The caller is not constrained to care about the distinction. */
{
std::string tmp = copy_name (yylval.sval);
struct block_symbol result;
- enum domain_enum_tag lookup_domains[] =
+ const domain_enum lookup_domains[] =
{
STRUCT_DOMAIN,
VAR_DOMAIN,
};
int hextype;
- for (int i = 0; i < ARRAY_SIZE (lookup_domains); ++i)
+ for (const auto &domain : lookup_domains)
{
result = lookup_symbol (tmp.c_str (), pstate->expression_context_block,
- lookup_domains[i], NULL);
- if (result.symbol && SYMBOL_CLASS (result.symbol) == LOC_TYPEDEF)
+ domain, NULL);
+ if (result.symbol && result.symbol->aclass () == LOC_TYPEDEF)
{
- yylval.tsym.type = SYMBOL_TYPE (result.symbol);
+ yylval.tsym.type = result.symbol->type ();
return TYPENAME;
}
return NAME_OR_INT;
}
}
-
+
+ if (pstate->parse_completion && *pstate->lexptr == '\0')
+ saw_name_at_eof = true;
+
/* Any other kind of symbol */
yylval.ssym.sym = result;
yylval.ssym.is_a_field_of_this = false;
parser_debug);
gdb_assert (par_state != NULL);
pstate = par_state;
+ last_was_structop = false;
+ saw_name_at_eof = false;
paren_depth = 0;
struct type_stack stack;
scoped_restore restore_type_stack = make_scoped_restore (&type_stack,
&stack);
- return yyparse ();
+ int result = yyparse ();
+ if (!result)
+ pstate->set_operation (pstate->pop ());
+ return result;
}
static void
projects / binutils-gdb.git / blobdiff