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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/expprint.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'gdb/expprint.c')
-rw-r--r--gdb/expprint.c956
1 files changed, 0 insertions, 956 deletions
diff --git a/gdb/expprint.c b/gdb/expprint.c
deleted file mode 100644
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--- a/gdb/expprint.c
+++ /dev/null
@@ -1,956 +0,0 @@
-/* Print in infix form a struct expression.
- Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc.
-
-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 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. */
-
-#include "defs.h"
-#include "symtab.h"
-#include "gdbtypes.h"
-#include "expression.h"
-#include "value.h"
-#include "language.h"
-#include "parser-defs.h"
-
-/* Prototypes for local functions */
-
-static void
-print_subexp PARAMS ((struct expression *, int *, GDB_FILE *, enum precedence));
-
-void
-print_expression (exp, stream)
- struct expression *exp;
- GDB_FILE *stream;
-{
- int pc = 0;
- print_subexp (exp, &pc, stream, PREC_NULL);
-}
-
-/* Print the subexpression of EXP that starts in position POS, on STREAM.
- PREC is the precedence of the surrounding operator;
- if the precedence of the main operator of this subexpression is less,
- parentheses are needed here. */
-
-static void
-print_subexp (exp, pos, stream, prec)
- register struct expression *exp;
- register int *pos;
- GDB_FILE *stream;
- enum precedence prec;
-{
- register unsigned tem;
- register const struct op_print *op_print_tab;
- register int pc;
- unsigned nargs;
- register char *op_str;
- int assign_modify = 0;
- enum exp_opcode opcode;
- enum precedence myprec = PREC_NULL;
- /* Set to 1 for a right-associative operator. */
- int assoc = 0;
- value_ptr val;
- char *tempstr = NULL;
-
- op_print_tab = exp->language_defn->la_op_print_tab;
- pc = (*pos)++;
- opcode = exp->elts[pc].opcode;
- switch (opcode)
- {
- /* Common ops */
-
- case OP_SCOPE:
- myprec = PREC_PREFIX;
- assoc = 0;
- fputs_filtered (type_name_no_tag (exp->elts[pc + 1].type), stream);
- fputs_filtered ("::", stream);
- nargs = longest_to_int (exp->elts[pc + 2].longconst);
- (*pos) += 4 + BYTES_TO_EXP_ELEM (nargs + 1);
- fputs_filtered (&exp->elts[pc + 3].string, stream);
- return;
-
- case OP_LONG:
- (*pos) += 3;
- value_print (value_from_longest (exp->elts[pc + 1].type,
- exp->elts[pc + 2].longconst),
- stream, 0, Val_no_prettyprint);
- return;
-
- case OP_DOUBLE:
- (*pos) += 3;
- value_print (value_from_double (exp->elts[pc + 1].type,
- exp->elts[pc + 2].doubleconst),
- stream, 0, Val_no_prettyprint);
- return;
-
- case OP_VAR_VALUE:
- {
- struct block *b;
- (*pos) += 3;
- b = exp->elts[pc + 1].block;
- if (b != NULL
- && BLOCK_FUNCTION (b) != NULL
- && SYMBOL_SOURCE_NAME (BLOCK_FUNCTION (b)) != NULL)
- {
- fputs_filtered (SYMBOL_SOURCE_NAME (BLOCK_FUNCTION (b)), stream);
- fputs_filtered ("::", stream);
- }
- fputs_filtered (SYMBOL_SOURCE_NAME (exp->elts[pc + 2].symbol), stream);
- }
- return;
-
- case OP_LAST:
- (*pos) += 2;
- fprintf_filtered (stream, "$%d",
- longest_to_int (exp->elts[pc + 1].longconst));
- return;
-
- case OP_REGISTER:
- (*pos) += 2;
- fprintf_filtered (stream, "$%s",
- reg_names[longest_to_int (exp->elts[pc + 1].longconst)]);
- return;
-
- case OP_BOOL:
- (*pos) += 2;
- fprintf_filtered (stream, "%s",
- longest_to_int (exp->elts[pc + 1].longconst)
- ? "TRUE" : "FALSE");
- return;
-
- case OP_INTERNALVAR:
- (*pos) += 2;
- fprintf_filtered (stream, "$%s",
- internalvar_name (exp->elts[pc + 1].internalvar));
- return;
-
- case OP_FUNCALL:
- (*pos) += 2;
- nargs = longest_to_int (exp->elts[pc + 1].longconst);
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- fputs_filtered (" (", stream);
- for (tem = 0; tem < nargs; tem++)
- {
- if (tem != 0)
- fputs_filtered (", ", stream);
- print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
- }
- fputs_filtered (")", stream);
- return;
-
- case OP_NAME:
- case OP_EXPRSTRING:
- nargs = longest_to_int (exp -> elts[pc + 1].longconst);
- (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
- fputs_filtered (&exp->elts[pc + 2].string, stream);
- return;
-
- case OP_STRING:
- nargs = longest_to_int (exp -> elts[pc + 1].longconst);
- (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
- /* LA_PRINT_STRING will print using the current repeat count threshold.
- If necessary, we can temporarily set it to zero, or pass it as an
- additional parameter to LA_PRINT_STRING. -fnf */
- LA_PRINT_STRING (stream, &exp->elts[pc + 2].string, nargs, 0);
- return;
-
- case OP_BITSTRING:
- nargs = longest_to_int (exp -> elts[pc + 1].longconst);
- (*pos)
- += 3 + BYTES_TO_EXP_ELEM ((nargs + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT);
- fprintf (stream, "B'<unimplemented>'");
- return;
-
- case OP_ARRAY:
- (*pos) += 3;
- nargs = longest_to_int (exp->elts[pc + 2].longconst);
- nargs -= longest_to_int (exp->elts[pc + 1].longconst);
- nargs++;
- tem = 0;
- if (exp->elts[pc + 4].opcode == OP_LONG
- && exp->elts[pc + 5].type == builtin_type_char
- && exp->language_defn->la_language == language_c)
- {
- /* Attempt to print C character arrays using string syntax.
- Walk through the args, picking up one character from each
- of the OP_LONG expression elements. If any array element
- does not match our expection of what we should find for
- a simple string, revert back to array printing. Note that
- the last expression element is an explicit null terminator
- byte, which doesn't get printed. */
- tempstr = alloca (nargs);
- pc += 4;
- while (tem < nargs)
- {
- if (exp->elts[pc].opcode != OP_LONG
- || exp->elts[pc + 1].type != builtin_type_char)
- {
- /* Not a simple array of char, use regular array printing. */
- tem = 0;
- break;
- }
- else
- {
- tempstr[tem++] =
- longest_to_int (exp->elts[pc + 2].longconst);
- pc += 4;
- }
- }
- }
- if (tem > 0)
- {
- LA_PRINT_STRING (stream, tempstr, nargs - 1, 0);
- (*pos) = pc;
- }
- else
- {
- int is_chill = exp->language_defn->la_language == language_chill;
- fputs_filtered (is_chill ? " [" : " {", stream);
- for (tem = 0; tem < nargs; tem++)
- {
- if (tem != 0)
- {
- fputs_filtered (", ", stream);
- }
- print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
- }
- fputs_filtered (is_chill ? "]" : "}", stream);
- }
- return;
-
- case OP_LABELED:
- tem = longest_to_int (exp->elts[pc + 1].longconst);
- (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
-
- if (exp->language_defn->la_language == language_chill)
- {
- fputs_filtered (".", stream);
- fputs_filtered (&exp->elts[pc + 2].string, stream);
- fputs_filtered (exp->elts[*pos].opcode == OP_LABELED ? ", "
- : ": ",
- stream);
- }
- else
- {
- /* Gcc support both these syntaxes. Unsure which is preferred. */
-#if 1
- fputs_filtered (&exp->elts[pc + 2].string, stream);
- fputs_filtered (": ", stream);
-#else
- fputs_filtered (".", stream);
- fputs_filtered (&exp->elts[pc + 2].string, stream);
- fputs_filtered ("=", stream);
-#endif
- }
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- return;
-
- case TERNOP_COND:
- if ((int) prec > (int) PREC_COMMA)
- fputs_filtered ("(", stream);
- /* Print the subexpressions, forcing parentheses
- around any binary operations within them.
- This is more parentheses than are strictly necessary,
- but it looks clearer. */
- print_subexp (exp, pos, stream, PREC_HYPER);
- fputs_filtered (" ? ", stream);
- print_subexp (exp, pos, stream, PREC_HYPER);
- fputs_filtered (" : ", stream);
- print_subexp (exp, pos, stream, PREC_HYPER);
- if ((int) prec > (int) PREC_COMMA)
- fputs_filtered (")", stream);
- return;
-
- case TERNOP_SLICE:
- case TERNOP_SLICE_COUNT:
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- fputs_filtered ("(", stream);
- print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
- fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream);
- print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
- fputs_filtered (")", stream);
- return;
-
- case STRUCTOP_STRUCT:
- tem = longest_to_int (exp->elts[pc + 1].longconst);
- (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- fputs_filtered (".", stream);
- fputs_filtered (&exp->elts[pc + 2].string, stream);
- return;
-
- /* Will not occur for Modula-2 */
- case STRUCTOP_PTR:
- tem = longest_to_int (exp->elts[pc + 1].longconst);
- (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- fputs_filtered ("->", stream);
- fputs_filtered (&exp->elts[pc + 2].string, stream);
- return;
-
- case BINOP_SUBSCRIPT:
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- fputs_filtered ("[", stream);
- print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
- fputs_filtered ("]", stream);
- return;
-
- case UNOP_POSTINCREMENT:
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- fputs_filtered ("++", stream);
- return;
-
- case UNOP_POSTDECREMENT:
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- fputs_filtered ("--", stream);
- return;
-
- case UNOP_CAST:
- (*pos) += 2;
- if ((int) prec > (int) PREC_PREFIX)
- fputs_filtered ("(", stream);
- fputs_filtered ("(", stream);
- type_print (exp->elts[pc + 1].type, "", stream, 0);
- fputs_filtered (") ", stream);
- print_subexp (exp, pos, stream, PREC_PREFIX);
- if ((int) prec > (int) PREC_PREFIX)
- fputs_filtered (")", stream);
- return;
-
- case UNOP_MEMVAL:
- (*pos) += 2;
- if ((int) prec > (int) PREC_PREFIX)
- fputs_filtered ("(", stream);
- if (exp->elts[pc + 1].type->code == TYPE_CODE_FUNC &&
- exp->elts[pc + 3].opcode == OP_LONG) {
- /* We have a minimal symbol fn, probably. It's encoded
- as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
- Swallow the OP_LONG (including both its opcodes); ignore
- its type; print the value in the type of the MEMVAL. */
- (*pos) += 4;
- val = value_at_lazy (exp->elts[pc + 1].type,
- (CORE_ADDR) exp->elts[pc + 5].longconst,
- NULL);
- value_print (val, stream, 0, Val_no_prettyprint);
- } else {
- fputs_filtered ("{", stream);
- type_print (exp->elts[pc + 1].type, "", stream, 0);
- fputs_filtered ("} ", stream);
- print_subexp (exp, pos, stream, PREC_PREFIX);
- }
- if ((int) prec > (int) PREC_PREFIX)
- fputs_filtered (")", stream);
- return;
-
- case BINOP_ASSIGN_MODIFY:
- opcode = exp->elts[pc + 1].opcode;
- (*pos) += 2;
- myprec = PREC_ASSIGN;
- assoc = 1;
- assign_modify = 1;
- op_str = "???";
- for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
- if (op_print_tab[tem].opcode == opcode)
- {
- op_str = op_print_tab[tem].string;
- break;
- }
- if (op_print_tab[tem].opcode != opcode)
- /* Not found; don't try to keep going because we don't know how
- to interpret further elements. */
- error ("Invalid expression");
- break;
-
- /* C++ ops */
-
- case OP_THIS:
- ++(*pos);
- fputs_filtered ("this", stream);
- return;
-
- /* Modula-2 ops */
-
- case MULTI_SUBSCRIPT:
- (*pos) += 2;
- nargs = longest_to_int (exp->elts[pc + 1].longconst);
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- fprintf_unfiltered (stream, " [");
- for (tem = 0; tem < nargs; tem++)
- {
- if (tem != 0)
- fprintf_unfiltered (stream, ", ");
- print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
- }
- fprintf_unfiltered (stream, "]");
- return;
-
- case BINOP_VAL:
- (*pos)+=2;
- fprintf_unfiltered(stream,"VAL(");
- type_print(exp->elts[pc+1].type,"",stream,0);
- fprintf_unfiltered(stream,",");
- print_subexp(exp,pos,stream,PREC_PREFIX);
- fprintf_unfiltered(stream,")");
- return;
-
- case BINOP_INCL:
- case BINOP_EXCL:
- error("print_subexp: Not implemented.");
-
- /* Default ops */
-
- default:
- op_str = "???";
- for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
- if (op_print_tab[tem].opcode == opcode)
- {
- op_str = op_print_tab[tem].string;
- myprec = op_print_tab[tem].precedence;
- assoc = op_print_tab[tem].right_assoc;
- break;
- }
- if (op_print_tab[tem].opcode != opcode)
- /* Not found; don't try to keep going because we don't know how
- to interpret further elements. For example, this happens
- if opcode is OP_TYPE. */
- error ("Invalid expression");
- }
-
- /* Note that PREC_BUILTIN will always emit parentheses. */
- if ((int) myprec < (int) prec)
- fputs_filtered ("(", stream);
- if ((int) opcode > (int) BINOP_END)
- {
- if (assoc)
- {
- /* Unary postfix operator. */
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- fputs_filtered (op_str, stream);
- }
- else
- {
- /* Unary prefix operator. */
- fputs_filtered (op_str, stream);
- if (myprec == PREC_BUILTIN_FUNCTION)
- fputs_filtered ("(", stream);
- print_subexp (exp, pos, stream, PREC_PREFIX);
- if (myprec == PREC_BUILTIN_FUNCTION)
- fputs_filtered (")", stream);
- }
- }
- else
- {
- /* Binary operator. */
- /* Print left operand.
- If operator is right-associative,
- increment precedence for this operand. */
- print_subexp (exp, pos, stream,
- (enum precedence) ((int) myprec + assoc));
- /* Print the operator itself. */
- if (assign_modify)
- fprintf_filtered (stream, " %s= ", op_str);
- else if (op_str[0] == ',')
- fprintf_filtered (stream, "%s ", op_str);
- else
- fprintf_filtered (stream, " %s ", op_str);
- /* Print right operand.
- If operator is left-associative,
- increment precedence for this operand. */
- print_subexp (exp, pos, stream,
- (enum precedence) ((int) myprec + !assoc));
- }
-
- if ((int) myprec < (int) prec)
- fputs_filtered (")", stream);
-}
-
-/* Return the operator corresponding to opcode OP as
- a string. NULL indicates that the opcode was not found in the
- current language table. */
-char *
-op_string(op)
- enum exp_opcode op;
-{
- int tem;
- register const struct op_print *op_print_tab;
-
- op_print_tab = current_language->la_op_print_tab;
- for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
- if (op_print_tab[tem].opcode == op)
- return op_print_tab[tem].string;
- return NULL;
-}
-
-#ifdef MAINTENANCE_CMDS
-
-/* Support for dumping the raw data from expressions in a human readable
- form. */
-
-void
-dump_prefix_expression (exp, stream, note)
- struct expression *exp;
- GDB_FILE *stream;
- char *note;
-{
- int elt;
- char *opcode_name;
- char *eltscan;
- int eltsize;
-
- fprintf_filtered (stream, "Dump of expression @ ");
- gdb_print_address (exp, stream);
- fprintf_filtered (stream, ", %s:\nExpression: `", note);
- print_expression (exp, stream);
- fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %d bytes each.\n",
- exp->language_defn->la_name, exp -> nelts,
- sizeof (union exp_element));
- fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode",
- "Hex Value", "String Value");
- for (elt = 0; elt < exp -> nelts; elt++)
- {
- fprintf_filtered (stream, "\t%5d ", elt);
- switch (exp -> elts[elt].opcode)
- {
- default: opcode_name = "<unknown>"; break;
- case OP_NULL: opcode_name = "OP_NULL"; break;
- case BINOP_ADD: opcode_name = "BINOP_ADD"; break;
- case BINOP_SUB: opcode_name = "BINOP_SUB"; break;
- case BINOP_MUL: opcode_name = "BINOP_MUL"; break;
- case BINOP_DIV: opcode_name = "BINOP_DIV"; break;
- case BINOP_REM: opcode_name = "BINOP_REM"; break;
- case BINOP_MOD: opcode_name = "BINOP_MOD"; break;
- case BINOP_LSH: opcode_name = "BINOP_LSH"; break;
- case BINOP_RSH: opcode_name = "BINOP_RSH"; break;
- case BINOP_LOGICAL_AND: opcode_name = "BINOP_LOGICAL_AND"; break;
- case BINOP_LOGICAL_OR: opcode_name = "BINOP_LOGICAL_OR"; break;
- case BINOP_BITWISE_AND: opcode_name = "BINOP_BITWISE_AND"; break;
- case BINOP_BITWISE_IOR: opcode_name = "BINOP_BITWISE_IOR"; break;
- case BINOP_BITWISE_XOR: opcode_name = "BINOP_BITWISE_XOR"; break;
- case BINOP_EQUAL: opcode_name = "BINOP_EQUAL"; break;
- case BINOP_NOTEQUAL: opcode_name = "BINOP_NOTEQUAL"; break;
- case BINOP_LESS: opcode_name = "BINOP_LESS"; break;
- case BINOP_GTR: opcode_name = "BINOP_GTR"; break;
- case BINOP_LEQ: opcode_name = "BINOP_LEQ"; break;
- case BINOP_GEQ: opcode_name = "BINOP_GEQ"; break;
- case BINOP_REPEAT: opcode_name = "BINOP_REPEAT"; break;
- case BINOP_ASSIGN: opcode_name = "BINOP_ASSIGN"; break;
- case BINOP_COMMA: opcode_name = "BINOP_COMMA"; break;
- case BINOP_SUBSCRIPT: opcode_name = "BINOP_SUBSCRIPT"; break;
- case MULTI_SUBSCRIPT: opcode_name = "MULTI_SUBSCRIPT"; break;
- case BINOP_EXP: opcode_name = "BINOP_EXP"; break;
- case BINOP_MIN: opcode_name = "BINOP_MIN"; break;
- case BINOP_MAX: opcode_name = "BINOP_MAX"; break;
- case BINOP_SCOPE: opcode_name = "BINOP_SCOPE"; break;
- case STRUCTOP_MEMBER: opcode_name = "STRUCTOP_MEMBER"; break;
- case STRUCTOP_MPTR: opcode_name = "STRUCTOP_MPTR"; break;
- case BINOP_INTDIV: opcode_name = "BINOP_INTDIV"; break;
- case BINOP_ASSIGN_MODIFY: opcode_name = "BINOP_ASSIGN_MODIFY"; break;
- case BINOP_VAL: opcode_name = "BINOP_VAL"; break;
- case BINOP_INCL: opcode_name = "BINOP_INCL"; break;
- case BINOP_EXCL: opcode_name = "BINOP_EXCL"; break;
- case BINOP_CONCAT: opcode_name = "BINOP_CONCAT"; break;
- case BINOP_RANGE: opcode_name = "BINOP_RANGE"; break;
- case BINOP_END: opcode_name = "BINOP_END"; break;
- case TERNOP_COND: opcode_name = "TERNOP_COND"; break;
- case TERNOP_SLICE: opcode_name = "TERNOP_SLICE"; break;
- case TERNOP_SLICE_COUNT: opcode_name = "TERNOP_SLICE_COUNT"; break;
- case OP_LONG: opcode_name = "OP_LONG"; break;
- case OP_DOUBLE: opcode_name = "OP_DOUBLE"; break;
- case OP_VAR_VALUE: opcode_name = "OP_VAR_VALUE"; break;
- case OP_LAST: opcode_name = "OP_LAST"; break;
- case OP_REGISTER: opcode_name = "OP_REGISTER"; break;
- case OP_INTERNALVAR: opcode_name = "OP_INTERNALVAR"; break;
- case OP_FUNCALL: opcode_name = "OP_FUNCALL"; break;
- case OP_STRING: opcode_name = "OP_STRING"; break;
- case OP_BITSTRING: opcode_name = "OP_BITSTRING"; break;
- case OP_ARRAY: opcode_name = "OP_ARRAY"; break;
- case UNOP_CAST: opcode_name = "UNOP_CAST"; break;
- case UNOP_MEMVAL: opcode_name = "UNOP_MEMVAL"; break;
- case UNOP_NEG: opcode_name = "UNOP_NEG"; break;
- case UNOP_LOGICAL_NOT: opcode_name = "UNOP_LOGICAL_NOT"; break;
- case UNOP_COMPLEMENT: opcode_name = "UNOP_COMPLEMENT"; break;
- case UNOP_IND: opcode_name = "UNOP_IND"; break;
- case UNOP_ADDR: opcode_name = "UNOP_ADDR"; break;
- case UNOP_PREINCREMENT: opcode_name = "UNOP_PREINCREMENT"; break;
- case UNOP_POSTINCREMENT: opcode_name = "UNOP_POSTINCREMENT"; break;
- case UNOP_PREDECREMENT: opcode_name = "UNOP_PREDECREMENT"; break;
- case UNOP_POSTDECREMENT: opcode_name = "UNOP_POSTDECREMENT"; break;
- case UNOP_SIZEOF: opcode_name = "UNOP_SIZEOF"; break;
- case UNOP_LOWER: opcode_name = "UNOP_LOWER"; break;
- case UNOP_UPPER: opcode_name = "UNOP_UPPER"; break;
- case UNOP_LENGTH: opcode_name = "UNOP_LENGTH"; break;
- case UNOP_PLUS: opcode_name = "UNOP_PLUS"; break;
- case UNOP_CAP: opcode_name = "UNOP_CAP"; break;
- case UNOP_CHR: opcode_name = "UNOP_CHR"; break;
- case UNOP_ORD: opcode_name = "UNOP_ORD"; break;
- case UNOP_ABS: opcode_name = "UNOP_ABS"; break;
- case UNOP_FLOAT: opcode_name = "UNOP_FLOAT"; break;
- case UNOP_HIGH: opcode_name = "UNOP_HIGH"; break;
- case UNOP_MAX: opcode_name = "UNOP_MAX"; break;
- case UNOP_MIN: opcode_name = "UNOP_MIN"; break;
- case UNOP_ODD: opcode_name = "UNOP_ODD"; break;
- case UNOP_TRUNC: opcode_name = "UNOP_TRUNC"; break;
- case OP_BOOL: opcode_name = "OP_BOOL"; break;
- case OP_M2_STRING: opcode_name = "OP_M2_STRING"; break;
- case STRUCTOP_STRUCT: opcode_name = "STRUCTOP_STRUCT"; break;
- case STRUCTOP_PTR: opcode_name = "STRUCTOP_PTR"; break;
- case OP_THIS: opcode_name = "OP_THIS"; break;
- case OP_SCOPE: opcode_name = "OP_SCOPE"; break;
- case OP_TYPE: opcode_name = "OP_TYPE"; break;
- case OP_LABELED: opcode_name = "OP_LABELED"; break;
- }
- fprintf_filtered (stream, "%20s ", opcode_name);
- print_longest (stream, 'd', 0, exp -> elts[elt].longconst);
- fprintf_filtered (stream, " ");
-
- for (eltscan = (char *) &exp->elts[elt],
- eltsize = sizeof (union exp_element) ;
- eltsize-- > 0;
- eltscan++)
- {
- fprintf_filtered (stream, "%c",
- isprint (*eltscan) ? (*eltscan & 0xFF) : '.');
- }
- fprintf_filtered (stream, "\n");
- }
-}
-
-static int dump_subexp PARAMS ((struct expression *exp, GDB_FILE *stream, int elt));
-
-static int
-dump_subexp (exp, stream, elt)
- struct expression *exp;
- GDB_FILE *stream;
- int elt;
-{
- char *opcode_name;
- static int indent = 0;
- int i;
-
- fprintf_filtered (stream, "\n");
- fprintf_filtered (stream, "\t%5d ", elt);
-
- for (i = 1; i <= indent; i++)
- fprintf_filtered (stream, " ");
- indent += 2;
-
- switch (exp -> elts[elt].opcode)
- {
- default: opcode_name = "<unknown>"; break;
- case OP_NULL: opcode_name = "OP_NULL"; break;
- case BINOP_ADD: opcode_name = "BINOP_ADD"; break;
- case BINOP_SUB: opcode_name = "BINOP_SUB"; break;
- case BINOP_MUL: opcode_name = "BINOP_MUL"; break;
- case BINOP_DIV: opcode_name = "BINOP_DIV"; break;
- case BINOP_REM: opcode_name = "BINOP_REM"; break;
- case BINOP_MOD: opcode_name = "BINOP_MOD"; break;
- case BINOP_LSH: opcode_name = "BINOP_LSH"; break;
- case BINOP_RSH: opcode_name = "BINOP_RSH"; break;
- case BINOP_LOGICAL_AND: opcode_name = "BINOP_LOGICAL_AND"; break;
- case BINOP_LOGICAL_OR: opcode_name = "BINOP_LOGICAL_OR"; break;
- case BINOP_BITWISE_AND: opcode_name = "BINOP_BITWISE_AND"; break;
- case BINOP_BITWISE_IOR: opcode_name = "BINOP_BITWISE_IOR"; break;
- case BINOP_BITWISE_XOR: opcode_name = "BINOP_BITWISE_XOR"; break;
- case BINOP_EQUAL: opcode_name = "BINOP_EQUAL"; break;
- case BINOP_NOTEQUAL: opcode_name = "BINOP_NOTEQUAL"; break;
- case BINOP_LESS: opcode_name = "BINOP_LESS"; break;
- case BINOP_GTR: opcode_name = "BINOP_GTR"; break;
- case BINOP_LEQ: opcode_name = "BINOP_LEQ"; break;
- case BINOP_GEQ: opcode_name = "BINOP_GEQ"; break;
- case BINOP_REPEAT: opcode_name = "BINOP_REPEAT"; break;
- case BINOP_ASSIGN: opcode_name = "BINOP_ASSIGN"; break;
- case BINOP_COMMA: opcode_name = "BINOP_COMMA"; break;
- case BINOP_SUBSCRIPT: opcode_name = "BINOP_SUBSCRIPT"; break;
- case MULTI_SUBSCRIPT: opcode_name = "MULTI_SUBSCRIPT"; break;
- case BINOP_EXP: opcode_name = "BINOP_EXP"; break;
- case BINOP_MIN: opcode_name = "BINOP_MIN"; break;
- case BINOP_MAX: opcode_name = "BINOP_MAX"; break;
- case BINOP_SCOPE: opcode_name = "BINOP_SCOPE"; break;
- case STRUCTOP_MEMBER: opcode_name = "STRUCTOP_MEMBER"; break;
- case STRUCTOP_MPTR: opcode_name = "STRUCTOP_MPTR"; break;
- case BINOP_INTDIV: opcode_name = "BINOP_INTDIV"; break;
- case BINOP_ASSIGN_MODIFY: opcode_name = "BINOP_ASSIGN_MODIFY"; break;
- case BINOP_VAL: opcode_name = "BINOP_VAL"; break;
- case BINOP_INCL: opcode_name = "BINOP_INCL"; break;
- case BINOP_EXCL: opcode_name = "BINOP_EXCL"; break;
- case BINOP_CONCAT: opcode_name = "BINOP_CONCAT"; break;
- case BINOP_RANGE: opcode_name = "BINOP_RANGE"; break;
- case BINOP_END: opcode_name = "BINOP_END"; break;
- case TERNOP_COND: opcode_name = "TERNOP_COND"; break;
- case TERNOP_SLICE: opcode_name = "TERNOP_SLICE"; break;
- case TERNOP_SLICE_COUNT: opcode_name = "TERNOP_SLICE_COUNT"; break;
- case OP_LONG: opcode_name = "OP_LONG"; break;
- case OP_DOUBLE: opcode_name = "OP_DOUBLE"; break;
- case OP_VAR_VALUE: opcode_name = "OP_VAR_VALUE"; break;
- case OP_LAST: opcode_name = "OP_LAST"; break;
- case OP_REGISTER: opcode_name = "OP_REGISTER"; break;
- case OP_INTERNALVAR: opcode_name = "OP_INTERNALVAR"; break;
- case OP_FUNCALL: opcode_name = "OP_FUNCALL"; break;
- case OP_STRING: opcode_name = "OP_STRING"; break;
- case OP_BITSTRING: opcode_name = "OP_BITSTRING"; break;
- case OP_ARRAY: opcode_name = "OP_ARRAY"; break;
- case UNOP_CAST: opcode_name = "UNOP_CAST"; break;
- case UNOP_MEMVAL: opcode_name = "UNOP_MEMVAL"; break;
- case UNOP_NEG: opcode_name = "UNOP_NEG"; break;
- case UNOP_LOGICAL_NOT: opcode_name = "UNOP_LOGICAL_NOT"; break;
- case UNOP_COMPLEMENT: opcode_name = "UNOP_COMPLEMENT"; break;
- case UNOP_IND: opcode_name = "UNOP_IND"; break;
- case UNOP_ADDR: opcode_name = "UNOP_ADDR"; break;
- case UNOP_PREINCREMENT: opcode_name = "UNOP_PREINCREMENT"; break;
- case UNOP_POSTINCREMENT: opcode_name = "UNOP_POSTINCREMENT"; break;
- case UNOP_PREDECREMENT: opcode_name = "UNOP_PREDECREMENT"; break;
- case UNOP_POSTDECREMENT: opcode_name = "UNOP_POSTDECREMENT"; break;
- case UNOP_SIZEOF: opcode_name = "UNOP_SIZEOF"; break;
- case UNOP_LOWER: opcode_name = "UNOP_LOWER"; break;
- case UNOP_UPPER: opcode_name = "UNOP_UPPER"; break;
- case UNOP_LENGTH: opcode_name = "UNOP_LENGTH"; break;
- case UNOP_PLUS: opcode_name = "UNOP_PLUS"; break;
- case UNOP_CAP: opcode_name = "UNOP_CAP"; break;
- case UNOP_CHR: opcode_name = "UNOP_CHR"; break;
- case UNOP_ORD: opcode_name = "UNOP_ORD"; break;
- case UNOP_ABS: opcode_name = "UNOP_ABS"; break;
- case UNOP_FLOAT: opcode_name = "UNOP_FLOAT"; break;
- case UNOP_HIGH: opcode_name = "UNOP_HIGH"; break;
- case UNOP_MAX: opcode_name = "UNOP_MAX"; break;
- case UNOP_MIN: opcode_name = "UNOP_MIN"; break;
- case UNOP_ODD: opcode_name = "UNOP_ODD"; break;
- case UNOP_TRUNC: opcode_name = "UNOP_TRUNC"; break;
- case OP_BOOL: opcode_name = "OP_BOOL"; break;
- case OP_M2_STRING: opcode_name = "OP_M2_STRING"; break;
- case STRUCTOP_STRUCT: opcode_name = "STRUCTOP_STRUCT"; break;
- case STRUCTOP_PTR: opcode_name = "STRUCTOP_PTR"; break;
- case OP_THIS: opcode_name = "OP_THIS"; break;
- case OP_SCOPE: opcode_name = "OP_SCOPE"; break;
- case OP_TYPE: opcode_name = "OP_TYPE"; break;
- case OP_LABELED: opcode_name = "OP_LABELED"; break;
- }
-
- fprintf_filtered (stream, "%-20s ", opcode_name);
-
- switch (exp -> elts[elt++].opcode)
- {
- case TERNOP_COND:
- case TERNOP_SLICE:
- case TERNOP_SLICE_COUNT:
- elt = dump_subexp (exp, stream, elt);
- case BINOP_ADD:
- case BINOP_SUB:
- case BINOP_MUL:
- case BINOP_DIV:
- case BINOP_REM:
- case BINOP_MOD:
- case BINOP_LSH:
- case BINOP_RSH:
- case BINOP_LOGICAL_AND:
- case BINOP_LOGICAL_OR:
- case BINOP_BITWISE_AND:
- case BINOP_BITWISE_IOR:
- case BINOP_BITWISE_XOR:
- case BINOP_EQUAL:
- case BINOP_NOTEQUAL:
- case BINOP_LESS:
- case BINOP_GTR:
- case BINOP_LEQ:
- case BINOP_GEQ:
- case BINOP_REPEAT:
- case BINOP_ASSIGN:
- case BINOP_COMMA:
- case BINOP_SUBSCRIPT:
- case BINOP_EXP:
- case BINOP_MIN:
- case BINOP_MAX:
- case BINOP_SCOPE:
- case BINOP_INTDIV:
- case BINOP_ASSIGN_MODIFY:
- case BINOP_VAL:
- case BINOP_INCL:
- case BINOP_EXCL:
- case BINOP_CONCAT:
- case BINOP_IN:
- case BINOP_RANGE:
- case BINOP_END:
- elt = dump_subexp (exp, stream, elt);
- case UNOP_NEG:
- case UNOP_LOGICAL_NOT:
- case UNOP_COMPLEMENT:
- case UNOP_IND:
- case UNOP_ADDR:
- case UNOP_PREINCREMENT:
- case UNOP_POSTINCREMENT:
- case UNOP_PREDECREMENT:
- case UNOP_POSTDECREMENT:
- case UNOP_SIZEOF:
- case UNOP_PLUS:
- case UNOP_CAP:
- case UNOP_CHR:
- case UNOP_ORD:
- case UNOP_ABS:
- case UNOP_FLOAT:
- case UNOP_HIGH:
- case UNOP_MAX:
- case UNOP_MIN:
- case UNOP_ODD:
- case UNOP_TRUNC:
- case UNOP_LOWER:
- case UNOP_UPPER:
- case UNOP_LENGTH:
- case UNOP_CARD:
- case UNOP_CHMAX:
- case UNOP_CHMIN:
- elt = dump_subexp (exp, stream, elt);
- break;
- case OP_LONG:
- fprintf_filtered (stream, "Type @0x%x (", exp->elts[elt].type);
- type_print (exp->elts[elt].type, NULL, stream, 0);
- fprintf_filtered (stream, "), value %ld (0x%lx)",
- (long)exp->elts[elt+1].longconst,
- (long)exp->elts[elt+1].longconst);
- elt += 3;
- break;
- case OP_DOUBLE:
- fprintf_filtered (stream, "Type @0x%x (", exp->elts[elt].type);
- type_print (exp->elts[elt].type, NULL, stream, 0);
- fprintf_filtered (stream, "), value %g",
- (double)exp->elts[elt+1].doubleconst);
- elt += 3;
- break;
- case OP_VAR_VALUE:
- fprintf_filtered (stream, "Block @0x%x, symbol @0x%x (%s)",
- exp->elts[elt].block,
- exp->elts[elt+1].symbol,
- SYMBOL_NAME (exp->elts[elt+1].symbol));
- elt += 3;
- break;
- case OP_LAST:
- fprintf_filtered (stream, "History element %ld",
- (long)exp->elts[elt].longconst);
- elt += 2;
- break;
- case OP_REGISTER:
- fprintf_filtered (stream, "Register %ld",
- (long)exp->elts[elt].longconst);
- elt += 2;
- break;
- case OP_INTERNALVAR:
- fprintf_filtered (stream, "Internal var @0x%x (%s)",
- exp->elts[elt].internalvar,
- exp->elts[elt].internalvar->name);
- elt += 2;
- break;
- case OP_FUNCALL:
- {
- int nargs;
-
- nargs = longest_to_int (exp->elts[elt].longconst);
-
- fprintf_filtered (stream, "Number of args: %d", nargs);
- elt += 2;
-
- for (i = 1; i <= nargs + 1; i++)
- elt = dump_subexp (exp, stream, elt);
- }
- break;
- case OP_ARRAY:
- {
- int lower, upper;
- int i;
-
- lower = longest_to_int (exp->elts[elt].longconst);
- upper = longest_to_int (exp->elts[elt + 1].longconst);
-
- fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper);
- elt += 3;
-
- for (i = 1; i <= upper - lower + 1; i++)
- elt = dump_subexp (exp, stream, elt);
- }
- break;
- case UNOP_MEMVAL:
- case UNOP_CAST:
- fprintf_filtered (stream, "Type @0x%x (",
- exp->elts[elt].type);
- type_print (exp->elts[elt].type, NULL, stream, 0);
- fprintf_filtered (stream, ")");
- elt = dump_subexp (exp, stream, elt + 2);
- break;
- case OP_TYPE:
- fprintf_filtered (stream, "Type @0x%x (",
- exp->elts[elt].type);
- type_print (exp->elts[elt].type, NULL, stream, 0);
- fprintf_filtered (stream, ")");
- elt += 2;
- break;
- case STRUCTOP_STRUCT:
- case STRUCTOP_PTR:
- {
- char *elem_name;
- int len;
-
- len = longest_to_int (exp->elts[elt].longconst);
- elem_name = &exp->elts[elt + 1].string;
-
- fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name);
- elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1));
- }
- break;
-
- default:
- case OP_NULL:
- case STRUCTOP_MEMBER:
- case STRUCTOP_MPTR:
- case MULTI_SUBSCRIPT:
- case OP_F77_UNDETERMINED_ARGLIST:
- case OP_COMPLEX:
- case OP_STRING:
- case OP_BITSTRING:
- case OP_BOOL:
- case OP_M2_STRING:
- case OP_THIS:
- case OP_SCOPE:
- case OP_LABELED:
- case OP_NAME:
- case OP_EXPRSTRING:
- fprintf_filtered (stream, "Unknown format");
- }
-
- indent -= 2;
-
- return elt;
-}
-
-void
-dump_postfix_expression (exp, stream, note)
- struct expression *exp;
- GDB_FILE *stream;
- char *note;
-{
- int elt;
-
- fprintf_filtered (stream, "Dump of expression @ ");
- gdb_print_address (exp, stream);
- fprintf_filtered (stream, ", %s:\nExpression: `", note);
- /* XXX - doesn't work for types print_expression (exp, stream);*/
- fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %d bytes each.\n",
- exp->language_defn->la_name, exp -> nelts,
- sizeof (union exp_element));
- fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode",
- "Hex Value", "String Value");
-
- for (elt = 0; elt < exp -> nelts;)
- elt = dump_subexp (exp, stream, elt);
- fprintf_filtered (stream, "\n");
-}
-
-#endif /* MAINTENANCE_CMDS */