X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fm2-lang.c;h=a54d188d0ad256d154df0ba34b8c52da214ff13c;hb=1c19974635cac3182de78365792080f48d36d0ae;hp=260bf13aa56af2a882992dad3875d6ea08901fee;hpb=199b2450f62ad6ffbe56ec34fc447716b811579d;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/m2-lang.c b/gdb/m2-lang.c index 260bf13aa5..a54d188d0a 100644 --- a/gdb/m2-lang.c +++ b/gdb/m2-lang.c @@ -1,21 +1,23 @@ /* Modula 2 language support routines for GDB, the GNU debugger. - Copyright 1992 Free Software Foundation, Inc. + Copyright 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2002 + 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #include "defs.h" #include "symtab.h" @@ -24,6 +26,16 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #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_printstr (struct ui_file * stream, char *string, + unsigned int length, int width, + int force_ellipses); +static void m2_printchar (int, struct ui_file *); +static void m2_emit_char (int, struct ui_file *, int); /* 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 @@ -33,10 +45,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ */ static void -emit_char (c, stream, quoter) - register int c; - GDB_FILE *stream; - int quoter; +m2_emit_char (int c, struct ui_file *stream, int quoter) { c &= 0xFF; /* Avoid sign bit follies */ @@ -85,12 +94,10 @@ emit_char (c, stream, quoter) be replaced with a true Modula version. */ static void -m2_printchar (c, stream) - int c; - GDB_FILE *stream; +m2_printchar (int c, struct ui_file *stream) { fputs_filtered ("'", stream); - emit_char (c, stream, '\''); + LA_EMIT_CHAR (c, stream, '\''); fputs_filtered ("'", stream); } @@ -102,19 +109,13 @@ m2_printchar (c, stream) be replaced with a true Modula version. */ static void -m2_printstr (stream, string, length, force_ellipses) - GDB_FILE *stream; - char *string; - unsigned int length; - int force_ellipses; +m2_printstr (struct ui_file *stream, char *string, unsigned int length, + int width, int force_ellipses) { - register unsigned int i; + 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) { @@ -125,7 +126,7 @@ m2_printstr (stream, string, length, force_ellipses) for (i = 0; i < length && things_printed < print_max; ++i) { /* Position of the character we are examining - to see whether it is repeated. */ + to see whether it is repeated. */ unsigned int rep1; /* Number of repetitions we have detected so far. */ unsigned int reps; @@ -172,7 +173,7 @@ m2_printstr (stream, string, length, force_ellipses) fputs_filtered ("\"", stream); in_quotes = 1; } - emit_char (string[i], stream, '"'); + LA_EMIT_CHAR (string[i], stream, '"'); ++things_printed; } } @@ -195,183 +196,197 @@ m2_printstr (stream, string, length, force_ellipses) by an experienced Modula programmer. */ static struct type * -m2_create_fundamental_type (objfile, typeid) - struct objfile *objfile; - int typeid; +m2_create_fundamental_type (struct objfile *objfile, int typeid) { - register struct type *type = NULL; + struct type *type = NULL; switch (typeid) { - default: - /* FIXME: For now, if we are asked to produce a type not in this - language, create the equivalent of a C integer type with the - name "". When all the dust settles from the type - reconstruction work, this should probably become an error. */ - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, "", 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, - TYPE_FLAG_SIGNED, "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, - TYPE_FLAG_SIGNED, "short", objfile); /* FIXME-fnf */ - 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, - TYPE_FLAG_SIGNED, "int", objfile); /* FIXME -fnf */ - 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, - TYPE_FLAG_SIGNED, "long", objfile); /* FIXME -fnf */ - 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, - TYPE_FLAG_SIGNED, "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_FLT, - TARGET_COMPLEX_BIT / TARGET_CHAR_BIT, - 0, "complex", objfile); - break; - case FT_DBL_PREC_COMPLEX: - type = init_type (TYPE_CODE_FLT, - TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, - 0, "double complex", objfile); - break; - case FT_EXT_PREC_COMPLEX: - type = init_type (TYPE_CODE_FLT, - TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, - 0, "long double complex", objfile); - break; - } + default: + /* FIXME: For now, if we are asked to produce a type not in this + language, create the equivalent of a C integer type with the + name "". When all the dust settles from the type + reconstruction work, this should probably become an error. */ + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, "", 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); /* FIXME-fnf */ + 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); /* FIXME -fnf */ + 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); /* FIXME -fnf */ + 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); } - + /* Table of operators and their precedences for printing expressions. */ -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}, - {NULL, 0, 0, 0} +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} }; /* The built-in types of Modula-2. */ @@ -382,44 +397,53 @@ struct type *builtin_type_m2_card; struct type *builtin_type_m2_real; struct type *builtin_type_m2_bool; -struct type ** const (m2_builtin_types[]) = +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 + &builtin_type_m2_int, + &builtin_type_m2_card, + &builtin_type_m2_real, + &builtin_type_m2_bool, + 0 }; -const struct language_defn m2_language_defn = { +const struct language_defn m2_language_defn = +{ "modula-2", language_m2, m2_builtin_types, range_check_on, type_check_on, + case_sensitive_on, m2_parse, /* parser */ m2_error, /* parser error function */ + evaluate_subexp_standard, m2_printchar, /* Print character constant */ m2_printstr, /* function to print string constant */ + m2_emit_char, /* Function to print a single character */ m2_create_fundamental_type, /* Create fundamental type in this language */ m2_print_type, /* Print a type using appropriate syntax */ m2_val_print, /* Print a value using appropriate syntax */ - &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 */ - {"%loB", "", "o", "B"}, /* Octal format info */ - {"%ld", "", "d", ""}, /* Decimal format info */ - {"0%lXH", "0", "X", "H"}, /* Hex format info */ + c_value_print, /* Print a top-level value */ + NULL, /* Language specific skip_trampoline */ + value_of_this, /* value_of_this */ + basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ + NULL, /* Language specific symbol demangler */ + {"", "", "", ""}, /* Binary format info */ + {"%loB", "", "o", "B"}, /* Octal format info */ + {"%ld", "", "d", ""}, /* Decimal format info */ + {"0%lXH", "0", "X", "H"}, /* Hex format info */ m2_op_print_tab, /* expression operators for printing */ + 0, /* arrays are first-class (not c-style) */ + 0, /* String lower bound */ + &builtin_type_m2_char, /* Type of string elements */ LANG_MAGIC }; /* Initialization for Modula-2 */ void -_initialize_m2_language () +_initialize_m2_language (void) { /* Modula-2 "pervasive" types. NOTE: these can be redefined!!! */ builtin_type_m2_int = @@ -443,15 +467,5 @@ _initialize_m2_language () TYPE_FLAG_UNSIGNED, "BOOLEAN", (struct objfile *) NULL); - TYPE_NFIELDS(builtin_type_m2_bool) = 2; - TYPE_FIELDS(builtin_type_m2_bool) = - (struct field *) xmalloc (sizeof (struct field) * 2); - TYPE_FIELD_BITPOS(builtin_type_m2_bool,0) = 0; - TYPE_FIELD_NAME(builtin_type_m2_bool,0) = (char *)xmalloc(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 *)xmalloc(5); - strcpy(TYPE_FIELD_NAME(builtin_type_m2_bool,1),"TRUE"); - add_language (&m2_language_defn); }