X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fm2-exp.y;h=12a8a50de928246b2b094a3e03ded3840bce952f;hb=22e3975901f39f8e3abbd0ad089e8b4ed50acf7f;hp=e1eb3f9d3565ababd31509eca7fcc156edb34196;hpb=160be0ded9bb9a7ff6287c3b7094327465085874;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/m2-exp.y b/gdb/m2-exp.y index e1eb3f9d35..12a8a50de9 100644 --- a/gdb/m2-exp.y +++ b/gdb/m2-exp.y @@ -38,19 +38,12 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ %{ -#include -#include #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" /* 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 @@ -98,7 +91,7 @@ parse_number PARAMS ((int)); static int yylex PARAMS ((void)); -static void +void yyerror PARAMS ((char *)); int @@ -1164,7 +1157,7 @@ make_qualname(mod,ident) } #endif /* 0 */ -static void +void yyerror(msg) char *msg; /* unused */ { @@ -1175,433 +1168,3 @@ yyerror(msg) error("Invalid syntax in expression"); } - -/* 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 (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; - } - } -} - -/* 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; - } - m2_printchar (string[i], stream); - fprintf_filtered (stream, " ", 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); -} - -/* FIXME: This is a copy of c_create_fundamental_type(), before - all the non-C types were stripped from it. Needs to be fixed - by an experienced Modula programmer. */ - -static struct type * -m2_create_fundamental_type (objfile, typeid) - struct objfile *objfile; - int typeid; -{ - register struct type *type = NULL; - register int nbytes; - - 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_PASCAL_ARRAY, - 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; - } - return (type); -} - - -/* 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} -}; - -/* 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 */ - m2_create_fundamental_type, /* Create fundamental type in this language */ - &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); -}