#include "defs.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "parser-defs.h"
#include "language.h"
#include "m2-lang.h"
#include "c-lang.h"
#include "valprint.h"
extern void _initialize_m2_language (void);
static struct type *m2_create_fundamental_type (struct objfile *, int);
static void m2_printchar (int, struct ui_file *);
static void m2_emit_char (int, struct ui_file *, int);
static void
m2_emit_char (int c, struct ui_file *stream, int quoter)
{
c &= 0xFF;
if (PRINT_LITERAL_FORM (c))
{
if (c == '\\' || c == quoter)
{
fputs_filtered ("\\", stream);
}
fprintf_filtered (stream, "%c", c);
}
else
{
switch (c)
{
case '\n':
fputs_filtered ("\\n", stream);
break;
case '\b':
fputs_filtered ("\\b", stream);
break;
case '\t':
fputs_filtered ("\\t", stream);
break;
case '\f':
fputs_filtered ("\\f", stream);
break;
case '\r':
fputs_filtered ("\\r", stream);
break;
case '\033':
fputs_filtered ("\\e", stream);
break;
case '\007':
fputs_filtered ("\\a", stream);
break;
default:
fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
break;
}
}
}
static void
m2_printchar (int c, struct ui_file *stream)
{
fputs_filtered ("'", stream);
LA_EMIT_CHAR (c, stream, '\'');
fputs_filtered ("'", stream);
}
static void
m2_printstr (struct ui_file *stream, const gdb_byte *string,
unsigned int length, int width, int force_ellipses)
{
unsigned int i;
unsigned int things_printed = 0;
int in_quotes = 0;
int need_comma = 0;
if (length == 0)
{
fputs_filtered ("\"\"", gdb_stdout);
return;
}
for (i = 0; i < length && things_printed < print_max; ++i)
{
unsigned int rep1;
unsigned int reps;
QUIT;
if (need_comma)
{
fputs_filtered (", ", stream);
need_comma = 0;
}
rep1 = i + 1;
reps = 1;
while (rep1 < length && string[rep1] == string[i])
{
++rep1;
++reps;
}
if (reps > repeat_count_threshold)
{
if (in_quotes)
{
if (inspect_it)
fputs_filtered ("\\\", ", stream);
else
fputs_filtered ("\", ", stream);
in_quotes = 0;
}
m2_printchar (string[i], stream);
fprintf_filtered (stream, " <repeats %u times>", reps);
i = rep1 - 1;
things_printed += repeat_count_threshold;
need_comma = 1;
}
else
{
if (!in_quotes)
{
if (inspect_it)
fputs_filtered ("\\\"", stream);
else
fputs_filtered ("\"", stream);
in_quotes = 1;
}
LA_EMIT_CHAR (string[i], stream, '"');
++things_printed;
}
}
if (in_quotes)
{
if (inspect_it)
fputs_filtered ("\\\"", stream);
else
fputs_filtered ("\"", stream);
}
if (force_ellipses || i < length)
fputs_filtered ("...", stream);
}
static struct type *
m2_create_fundamental_type (struct objfile *objfile, int typeid)
{
struct type *type = NULL;
switch (typeid)
{
default:
type = init_type (TYPE_CODE_INT,
TARGET_INT_BIT / TARGET_CHAR_BIT,
0, "<?type?>", objfile);
warning (_("internal error: no Modula fundamental type %d"), typeid);
break;
case FT_VOID:
type = init_type (TYPE_CODE_VOID,
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
0, "void", objfile);
break;
case FT_BOOLEAN:
type = init_type (TYPE_CODE_BOOL,
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED, "boolean", objfile);
break;
case FT_STRING:
type = init_type (TYPE_CODE_STRING,
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
0, "string", objfile);
break;
case FT_CHAR:
type = init_type (TYPE_CODE_INT,
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
0, "char", objfile);
break;
case FT_SIGNED_CHAR:
type = init_type (TYPE_CODE_INT,
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
0, "signed char", objfile);
break;
case FT_UNSIGNED_CHAR:
type = init_type (TYPE_CODE_INT,
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED, "unsigned char", objfile);
break;
case FT_SHORT:
type = init_type (TYPE_CODE_INT,
TARGET_SHORT_BIT / TARGET_CHAR_BIT,
0, "short", objfile);
break;
case FT_SIGNED_SHORT:
type = init_type (TYPE_CODE_INT,
TARGET_SHORT_BIT / TARGET_CHAR_BIT,
0, "short", objfile);
break;
case FT_UNSIGNED_SHORT:
type = init_type (TYPE_CODE_INT,
TARGET_SHORT_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED, "unsigned short", objfile);
break;
case FT_INTEGER:
type = init_type (TYPE_CODE_INT,
TARGET_INT_BIT / TARGET_CHAR_BIT,
0, "int", objfile);
break;
case FT_SIGNED_INTEGER:
type = init_type (TYPE_CODE_INT,
TARGET_INT_BIT / TARGET_CHAR_BIT,
0, "int", objfile);
break;
case FT_UNSIGNED_INTEGER:
type = init_type (TYPE_CODE_INT,
TARGET_INT_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED, "unsigned int", objfile);
break;
case FT_FIXED_DECIMAL:
type = init_type (TYPE_CODE_INT,
TARGET_INT_BIT / TARGET_CHAR_BIT,
0, "fixed decimal", objfile);
break;
case FT_LONG:
type = init_type (TYPE_CODE_INT,
TARGET_LONG_BIT / TARGET_CHAR_BIT,
0, "long", objfile);
break;
case FT_SIGNED_LONG:
type = init_type (TYPE_CODE_INT,
TARGET_LONG_BIT / TARGET_CHAR_BIT,
0, "long", objfile);
break;
case FT_UNSIGNED_LONG:
type = init_type (TYPE_CODE_INT,
TARGET_LONG_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
break;
case FT_LONG_LONG:
type = init_type (TYPE_CODE_INT,
TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
0, "long long", objfile);
break;
case FT_SIGNED_LONG_LONG:
type = init_type (TYPE_CODE_INT,
TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
0, "signed long long", objfile);
break;
case FT_UNSIGNED_LONG_LONG:
type = init_type (TYPE_CODE_INT,
TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
break;
case FT_FLOAT:
type = init_type (TYPE_CODE_FLT,
TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
0, "float", objfile);
break;
case FT_DBL_PREC_FLOAT:
type = init_type (TYPE_CODE_FLT,
TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
0, "double", objfile);
break;
case FT_FLOAT_DECIMAL:
type = init_type (TYPE_CODE_FLT,
TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
0, "floating decimal", objfile);
break;
case FT_EXT_PREC_FLOAT:
type = init_type (TYPE_CODE_FLT,
TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
0, "long double", objfile);
break;
case FT_COMPLEX:
type = init_type (TYPE_CODE_COMPLEX,
2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
0, "complex", objfile);
TYPE_TARGET_TYPE (type)
= m2_create_fundamental_type (objfile, FT_FLOAT);
break;
case FT_DBL_PREC_COMPLEX:
type = init_type (TYPE_CODE_COMPLEX,
2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
0, "double complex", objfile);
TYPE_TARGET_TYPE (type)
= m2_create_fundamental_type (objfile, FT_DBL_PREC_FLOAT);
break;
case FT_EXT_PREC_COMPLEX:
type = init_type (TYPE_CODE_COMPLEX,
2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
0, "long double complex", objfile);
TYPE_TARGET_TYPE (type)
= m2_create_fundamental_type (objfile, FT_EXT_PREC_FLOAT);
break;
}
return (type);
}
static const struct op_print m2_op_print_tab[] =
{
{"+", BINOP_ADD, PREC_ADD, 0},
{"+", UNOP_PLUS, PREC_PREFIX, 0},
{"-", BINOP_SUB, PREC_ADD, 0},
{"-", UNOP_NEG, PREC_PREFIX, 0},
{"*", BINOP_MUL, PREC_MUL, 0},
{"/", BINOP_DIV, PREC_MUL, 0},
{"DIV", BINOP_INTDIV, PREC_MUL, 0},
{"MOD", BINOP_REM, PREC_MUL, 0},
{":=", BINOP_ASSIGN, PREC_ASSIGN, 1},
{"OR", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
{"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
{"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
{"=", BINOP_EQUAL, PREC_EQUAL, 0},
{"<>", BINOP_NOTEQUAL, PREC_EQUAL, 0},
{"<=", BINOP_LEQ, PREC_ORDER, 0},
{">=", BINOP_GEQ, PREC_ORDER, 0},
{">", BINOP_GTR, PREC_ORDER, 0},
{"<", BINOP_LESS, PREC_ORDER, 0},
{"^", UNOP_IND, PREC_PREFIX, 0},
{"@", BINOP_REPEAT, PREC_REPEAT, 0},
{"CAP", UNOP_CAP, PREC_BUILTIN_FUNCTION, 0},
{"CHR", UNOP_CHR, PREC_BUILTIN_FUNCTION, 0},
{"ORD", UNOP_ORD, PREC_BUILTIN_FUNCTION, 0},
{"FLOAT", UNOP_FLOAT, PREC_BUILTIN_FUNCTION, 0},
{"HIGH", UNOP_HIGH, PREC_BUILTIN_FUNCTION, 0},
{"MAX", UNOP_MAX, PREC_BUILTIN_FUNCTION, 0},
{"MIN", UNOP_MIN, PREC_BUILTIN_FUNCTION, 0},
{"ODD", UNOP_ODD, PREC_BUILTIN_FUNCTION, 0},
{"TRUNC", UNOP_TRUNC, PREC_BUILTIN_FUNCTION, 0},
{NULL, 0, 0, 0}
};
struct type *builtin_type_m2_char;
struct type *builtin_type_m2_int;
struct type *builtin_type_m2_card;
struct type *builtin_type_m2_real;
struct type *builtin_type_m2_bool;
struct type **const (m2_builtin_types[]) =
{
&builtin_type_m2_char,
&builtin_type_m2_int,
&builtin_type_m2_card,
&builtin_type_m2_real,
&builtin_type_m2_bool,
0
};
const struct language_defn m2_language_defn =
{
"modula-2",
language_m2,
m2_builtin_types,
range_check_on,
type_check_on,
case_sensitive_on,
array_row_major,
&exp_descriptor_standard,
m2_parse,
m2_error,
null_post_parser,
m2_printchar,
m2_printstr,
m2_emit_char,
m2_create_fundamental_type,
m2_print_type,
m2_val_print,
c_value_print,
NULL,
value_of_this,
basic_lookup_symbol_nonlocal,
basic_lookup_transparent_type,
NULL,
NULL,
m2_op_print_tab,
0,
0,
&builtin_type_m2_char,
default_word_break_characters,
NULL,
LANG_MAGIC
};
void
_initialize_m2_language (void)
{
builtin_type_m2_int =
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
0,
"INTEGER", (struct objfile *) NULL);
builtin_type_m2_card =
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED,
"CARDINAL", (struct objfile *) NULL);
builtin_type_m2_real =
init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
0,
"REAL", (struct objfile *) NULL);
builtin_type_m2_char =
init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED,
"CHAR", (struct objfile *) NULL);
builtin_type_m2_bool =
init_type (TYPE_CODE_BOOL, TARGET_INT_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED,
"BOOLEAN", (struct objfile *) NULL);
add_language (&m2_language_defn);
}