diff options
Diffstat (limited to 'gdb/m2-lang.c')
-rw-r--r-- | gdb/m2-lang.c | 413 |
1 files changed, 208 insertions, 205 deletions
diff --git a/gdb/m2-lang.c b/gdb/m2-lang.c index a93e5f0..fd13349 100644 --- a/gdb/m2-lang.c +++ b/gdb/m2-lang.c @@ -1,21 +1,22 @@ /* Modula 2 language support routines for GDB, the GNU debugger. Copyright 1992 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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" @@ -28,7 +29,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ extern void _initialize_m2_language PARAMS ((void)); static struct type *m2_create_fundamental_type PARAMS ((struct objfile *, int)); -static void m2_printstr PARAMS ((GDB_FILE *stream, char *string, unsigned int length, int width, int force_ellipses)); +static void m2_printstr PARAMS ((GDB_FILE * stream, char *string, unsigned int length, int width, int force_ellipses)); static void m2_printchar PARAMS ((int, GDB_FILE *)); static void m2_emit_char PARAMS ((int, GDB_FILE *, int)); @@ -133,7 +134,7 @@ m2_printstr (stream, string, length, width, 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; @@ -211,190 +212,191 @@ m2_create_fundamental_type (objfile, typeid) 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 "<?type?>". 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, "<?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); /* 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; - } + 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 "<?type?>". 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, "<?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); /* 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}, - {"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} +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. */ @@ -405,17 +407,18 @@ struct type *builtin_type_m2_card; struct type *builtin_type_m2_real; struct type *builtin_type_m2_bool; -struct type ** CONST_PTR (m2_builtin_types[]) = +struct type **CONST_PTR (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, @@ -431,14 +434,14 @@ const struct language_defn m2_language_defn = { m2_print_type, /* Print a type using appropriate syntax */ m2_val_print, /* Print a value using appropriate syntax */ c_value_print, /* Print a top-level value */ - {"", "", "", ""}, /* Binary format info */ - {"%loB", "", "o", "B"}, /* Octal format info */ - {"%ld", "", "d", ""}, /* Decimal format info */ - {"0%lXH", "0", "X", "H"}, /* Hex format info */ + {"", "", "", ""}, /* 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 */ + &builtin_type_m2_char, /* Type of string elements */ LANG_MAGIC }; 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