%{
-#include <stdio.h>
-#include <string.h>
#include "defs.h"
-#include "symtab.h"
-#include "gdbtypes.h"
-#include "frame.h"
#include "expression.h"
#include "language.h"
#include "value.h"
#include "parser-defs.h"
-#include "bfd.h"
-#include "symfile.h"
-#include "objfiles.h"
+#include "m2-lang.h"
+
+/* 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. */
-/* These MUST be included in any grammar file!!!! Please choose unique names!
- Note that this are a combined list of variables that can be produced
- by any one of bison, byacc, or yacc. */
#define yymaxdepth m2_maxdepth
#define yyparse m2_parse
#define yylex m2_lex
#define yy_yyv m2_yyv
#define yyval m2_val
#define yylloc m2_lloc
-#define yyss m2_yyss /* byacc */
-#define yyssp m2_yysp /* byacc */
-#define yyvs m2_yyvs /* byacc */
-#define yyvsp m2_yyvsp /* byacc */
+#define yyreds m2_reds /* With YYDEBUG defined */
+#define yytoks m2_toks /* With YYDEBUG defined */
-#if 0
-static char *
-make_qualname PARAMS ((char *, char *));
+#ifndef YYDEBUG
+#define YYDEBUG 0 /* Default to no yydebug support */
#endif
-static int
-parse_number PARAMS ((int));
+int
+yyparse PARAMS ((void));
static int
yylex PARAMS ((void));
-static void
+void
yyerror PARAMS ((char *));
-int
-yyparse PARAMS ((void));
+#if 0
+static char *
+make_qualname PARAMS ((char *, char *));
+#endif
+
+static int
+parse_number PARAMS ((int));
/* The sign of the number being parsed. */
static int number_sign = 1;
static struct block *modblock=0;
#endif
-/* #define YYDEBUG 1 */
%}
/* Although the yacc "value" of an expression is not used,
function types */
{ start_arglist(); }
non_empty_arglist ']' %prec DOT
- { write_exp_elt_opcode (BINOP_MULTI_SUBSCRIPT);
+ { write_exp_elt_opcode (MULTI_SUBSCRIPT);
write_exp_elt_longcst ((LONGEST) end_arglist());
- write_exp_elt_opcode (BINOP_MULTI_SUBSCRIPT); }
+ write_exp_elt_opcode (MULTI_SUBSCRIPT); }
;
exp : exp '('
case LOC_LABEL: /* maybe should go above? */
case LOC_BLOCK:
case LOC_CONST_BYTES:
+ case LOC_OPTIMIZED_OUT:
/* These are listed so gcc -Wall will reveal
un-handled cases. */
break;
{
write_exp_elt_opcode (OP_LONG);
write_exp_elt_type (builtin_type_int);
- write_exp_elt_longcst ((LONGEST) msymbol -> address);
+ write_exp_elt_longcst ((LONGEST) SYMBOL_VALUE_ADDRESS (msymbol));
write_exp_elt_opcode (OP_LONG);
write_exp_elt_opcode (UNOP_MEMVAL);
if (msymbol -> type == mst_data ||
/* See if it is a special token of length 2 */
for( i = 0 ; i < sizeof tokentab2 / sizeof tokentab2[0] ; i++)
- if(!strncmp(tokentab2[i].name, tokstart, 2))
+ if(STREQN(tokentab2[i].name, tokstart, 2))
{
lexptr += 2;
return tokentab2[i].token;
if (*tokstart == '$') {
for (c = 0; c < NUM_REGS; c++)
if (namelen - 1 == strlen (reg_names[c])
- && !strncmp (tokstart + 1, reg_names[c], namelen - 1))
+ && STREQN (tokstart + 1, reg_names[c], namelen - 1))
{
yylval.lval = c;
return REGNAME;
}
for (c = 0; c < num_std_regs; c++)
if (namelen - 1 == strlen (std_regs[c].name)
- && !strncmp (tokstart + 1, std_regs[c].name, namelen - 1))
+ && STREQN (tokstart + 1, std_regs[c].name, namelen - 1))
{
yylval.lval = std_regs[c].regnum;
return REGNAME;
/* Lookup special keywords */
for(i = 0 ; i < sizeof(keytab) / sizeof(keytab[0]) ; i++)
- if(namelen == strlen(keytab[i].keyw) && !strncmp(tokstart,keytab[i].keyw,namelen))
+ if(namelen == strlen(keytab[i].keyw) && STREQN(tokstart,keytab[i].keyw,namelen))
return keytab[i].token;
yylval.sval.ptr = tokstart;
else
{
/* Built-in BOOLEAN type. This is sort of a hack. */
- if(!strncmp(tokstart,"TRUE",4))
+ if(STREQN(tokstart,"TRUE",4))
{
yylval.ulval = 1;
return M2_TRUE;
}
- else if(!strncmp(tokstart,"FALSE",5))
+ else if(STREQN(tokstart,"FALSE",5))
{
yylval.ulval = 0;
return M2_FALSE;
}
#endif /* 0 */
-static void
+void
yyerror(msg)
char *msg; /* unused */
{
error("Invalid syntax in expression");
}
-\f
-/* Print the character C on STREAM as part of the contents of a literal
- string whose delimiter is QUOTER. Note that that format for printing
- characters and strings is language specific.
- FIXME: This is a copy of the same function from c-exp.y. It should
- be replaced with a true Modula version.
- */
-
-static void
-emit_char (c, stream, quoter)
- register int c;
- FILE *stream;
- int quoter;
-{
-
- c &= 0xFF; /* Avoid sign bit follies */
-
- if ( c < 0x20 || /* Low control chars */
- (c >= 0x7F && c < 0xA0) || /* DEL, High controls */
- (sevenbit_strings && c >= 0x80)) { /* high order bit set */
- 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;
- }
- } else {
- if (c == '\\' || c == quoter)
- {
- fputs_filtered ("\\", stream);
- }
- fprintf_filtered (stream, "%c", c);
- }
-}
-
-/* FIXME: This is a copy of the same function from c-exp.y. It should
- be replaced with a true Modula version. */
-
-static void
-m2_printchar (c, stream)
- int c;
- FILE *stream;
-{
- fputs_filtered ("'", stream);
- emit_char (c, stream, '\'');
- fputs_filtered ("'", stream);
-}
-
-/* Print the character string STRING, printing at most LENGTH characters.
- Printing stops early if the number hits print_max; repeat counts
- are printed as appropriate. Print ellipses at the end if we
- had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
- FIXME: This is a copy of the same function from c-exp.y. It should
- be replaced with a true Modula version. */
-
-static void
-m2_printstr (stream, string, length, force_ellipses)
- FILE *stream;
- char *string;
- unsigned int length;
- int force_ellipses;
-{
- register unsigned int i;
- unsigned int things_printed = 0;
- int in_quotes = 0;
- int need_comma = 0;
- extern int inspect_it;
- extern int repeat_count_threshold;
- extern int print_max;
-
- if (length == 0)
- {
- fputs_filtered ("\"\"", stdout);
- return;
- }
-
- for (i = 0; i < length && things_printed < print_max; ++i)
- {
- /* Position of the character we are examining
- to see whether it is repeated. */
- unsigned int rep1;
- /* Number of repetitions we have detected so far. */
- 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;
- }
- c_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;
- }
- emit_char (string[i], stream, '"');
- ++things_printed;
- }
- }
-
- /* Terminate the quotes if necessary. */
- if (in_quotes)
- {
- if (inspect_it)
- fputs_filtered ("\\\"", stream);
- else
- fputs_filtered ("\"", stream);
- }
-
- if (force_ellipses || i < length)
- fputs_filtered ("...", stream);
-}
-
-\f
-/* Table of operators and their precedences for printing expressions. */
-
-const static 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},
- {NULL, 0, 0, 0}
-};
-\f
-/* The built-in types of Modula-2. */
-
-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,
- m2_parse, /* parser */
- m2_error, /* parser error function */
- m2_printchar, /* Print character constant */
- m2_printstr, /* function to print string constant */
- &builtin_type_m2_int, /* longest signed integral type */
- &builtin_type_m2_card, /* longest unsigned integral type */
- &builtin_type_m2_real, /* longest floating point type */
- {"", "", "", ""}, /* Binary format info */
- {"%oB", "", "o", "B"}, /* Octal format info */
- {"%d", "", "d", ""}, /* Decimal format info */
- {"0%XH", "0", "X", "H"}, /* Hex format info */
- m2_op_print_tab, /* expression operators for printing */
- LANG_MAGIC
-};
-
-/* Initialization for Modula-2 */
-
-void
-_initialize_m2_exp ()
-{
- /* Modula-2 "pervasive" types. NOTE: these can be redefined!!! */
- 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);
-
- TYPE_NFIELDS(builtin_type_m2_bool) = 2;
- TYPE_FIELDS(builtin_type_m2_bool) =
- (struct field *) malloc (sizeof (struct field) * 2);
- TYPE_FIELD_BITPOS(builtin_type_m2_bool,0) = 0;
- TYPE_FIELD_NAME(builtin_type_m2_bool,0) = (char *)malloc(6);
- strcpy(TYPE_FIELD_NAME(builtin_type_m2_bool,0),"FALSE");
- TYPE_FIELD_BITPOS(builtin_type_m2_bool,1) = 1;
- TYPE_FIELD_NAME(builtin_type_m2_bool,1) = (char *)malloc(5);
- strcpy(TYPE_FIELD_NAME(builtin_type_m2_bool,1),"TRUE");
-
- add_language (&m2_language_defn);
-}
projects / deliverable / binutils-gdb.git / blobdiff