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-rwxr-xr-xgdb/expread.tab.c2657
1 files changed, 2657 insertions, 0 deletions
diff --git a/gdb/expread.tab.c b/gdb/expread.tab.c
new file mode 100755
index 0000000..86fbd0f
--- /dev/null
+++ b/gdb/expread.tab.c
@@ -0,0 +1,2657 @@
+
+/* A Bison parser, made from ../expread.y */
+
+#define INT 258
+#define CHAR 259
+#define UINT 260
+#define FLOAT 261
+#define STRING 262
+#define NAME 263
+#define BLOCKNAME 264
+#define TYPENAME 265
+#define NAME_OR_INT 266
+#define NAME_OR_UINT 267
+#define STRUCT 268
+#define UNION 269
+#define ENUM 270
+#define SIZEOF 271
+#define UNSIGNED 272
+#define COLONCOLON 273
+#define ERROR 274
+#define SIGNED 275
+#define LONG 276
+#define SHORT 277
+#define INT_KEYWORD 278
+#define LAST 279
+#define REGNAME 280
+#define VARIABLE 281
+#define ASSIGN_MODIFY 282
+#define THIS 283
+#define ABOVE_COMMA 284
+#define OR 285
+#define AND 286
+#define EQUAL 287
+#define NOTEQUAL 288
+#define LEQ 289
+#define GEQ 290
+#define LSH 291
+#define RSH 292
+#define UNARY 293
+#define INCREMENT 294
+#define DECREMENT 295
+#define ARROW 296
+
+#line 29 "../expread.y"
+
+#include <stdio.h>
+#include "defs.h"
+#include "param.h"
+#include "symtab.h"
+#include "frame.h"
+#include "expression.h"
+#include "value.h"
+#include "command.h"
+
+static struct expression *expout;
+static int expout_size;
+static int expout_ptr;
+
+static int yylex ();
+static void yyerror ();
+static void write_exp_elt ();
+static void write_exp_elt_opcode ();
+static void write_exp_elt_sym ();
+static void write_exp_elt_longcst ();
+static void write_exp_elt_dblcst ();
+static void write_exp_elt_type ();
+static void write_exp_elt_intern ();
+static void write_exp_string ();
+static void start_arglist ();
+static int end_arglist ();
+static void free_funcalls ();
+static char *copy_name ();
+static int parse_number ();
+
+/* If this is nonzero, this block is used as the lexical context
+ for symbol names. */
+
+static struct block *expression_context_block;
+
+/* The innermost context required by the stack and register variables
+ we've encountered so far. */
+struct block *innermost_block;
+
+/* The block in which the most recently discovered symbol was found. */
+struct block *block_found;
+
+/* Number of arguments seen so far in innermost function call. */
+static int arglist_len;
+
+/* Data structure for saving values of arglist_len
+ for function calls whose arguments contain other function calls. */
+
+struct funcall
+ {
+ struct funcall *next;
+ int arglist_len;
+ };
+
+struct funcall *funcall_chain;
+
+/* This kind of datum is used to represent the name
+ of a symbol token. */
+
+struct stoken
+ {
+ char *ptr;
+ int length;
+ };
+
+struct ttype
+ {
+ struct stoken stoken;
+ struct type *type;
+ };
+
+struct symtoken
+ {
+ struct stoken stoken;
+ struct symbol *sym;
+ int is_a_field_of_this;
+ };
+
+/* For parsing of complicated types.
+ An array should be preceded in the list by the size of the array. */
+enum type_pieces
+ {tp_end = -1, tp_pointer, tp_reference, tp_array, tp_function};
+static enum type_pieces *type_stack;
+static int type_stack_depth, type_stack_size;
+
+static void push_type ();
+static enum type_pieces pop_type ();
+
+/* Allow debugging of parsing. */
+#define YYDEBUG 1
+
+#line 125 "../expread.y"
+typedef union
+ {
+ LONGEST lval;
+ unsigned LONGEST ulval;
+ double dval;
+ struct symbol *sym;
+ struct type *tval;
+ struct stoken sval;
+ struct ttype tsym;
+ struct symtoken ssym;
+ int voidval;
+ struct block *bval;
+ enum exp_opcode opcode;
+ struct internalvar *ivar;
+
+ struct type **tvec;
+ int *ivec;
+ } YYSTYPE;
+
+#ifndef YYLTYPE
+typedef
+ struct yyltype
+ {
+ int timestamp;
+ int first_line;
+ int first_column;
+ int last_line;
+ int last_column;
+ char *text;
+ }
+ yyltype;
+
+#define YYLTYPE yyltype
+#endif
+
+#include <stdio.h>
+
+#ifndef __STDC__
+#define const
+#endif
+
+
+
+#define YYFINAL 189
+#define YYFLAG -32768
+#define YYNTBASE 66
+
+#define YYTRANSLATE(x) ((unsigned)(x) <= 296 ? yytranslate[x] : 84)
+
+static const char yytranslate[] = { 0,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 59, 2, 2, 2, 51, 37, 2, 58,
+ 62, 49, 47, 29, 48, 56, 50, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 65, 2, 40,
+ 31, 41, 32, 46, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 57, 2, 61, 36, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 63, 35, 64, 60, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 1, 2, 3, 4, 5,
+ 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
+ 26, 27, 28, 30, 33, 34, 38, 39, 42, 43,
+ 44, 45, 52, 53, 54, 55
+};
+
+static const short yyrline[] = { 0,
+ 218, 222, 223, 228, 231, 234, 238, 242, 246, 250,
+ 254, 258, 262, 266, 272, 276, 282, 286, 290, 294,
+ 300, 303, 307, 311, 317, 323, 329, 333, 337, 341,
+ 345, 349, 353, 357, 361, 365, 369, 373, 377, 381,
+ 385, 389, 393, 397, 401, 405, 409, 413, 419, 429,
+ 442, 454, 467, 474, 481, 484, 490, 496, 502, 509,
+ 516, 523, 540, 550, 562, 575, 621, 695, 696, 731,
+ 733, 735, 738, 740, 745, 751, 753, 757, 759, 763,
+ 767, 768, 770, 772, 775, 782, 784, 786, 788, 790,
+ 792, 794, 796, 798, 801, 804, 807, 809, 811, 813,
+ 817, 818, 824, 830, 839, 844, 851, 852, 853, 854,
+ 855, 858, 859, 860, 861
+};
+
+static const char * const yytname[] = { 0,
+"error","$illegal.","INT","CHAR","UINT","FLOAT","STRING","NAME","BLOCKNAME","TYPENAME",
+"NAME_OR_INT","NAME_OR_UINT","STRUCT","UNION","ENUM","SIZEOF","UNSIGNED","COLONCOLON","ERROR","SIGNED",
+"LONG","SHORT","INT_KEYWORD","LAST","REGNAME","VARIABLE","ASSIGN_MODIFY","THIS","','","ABOVE_COMMA",
+"'='","'?'","OR","AND","'|'","'^'","'&'","EQUAL","NOTEQUAL","'<'",
+"'>'","LEQ","GEQ","LSH","RSH","'@'","'+'","'-'","'*'","'/'",
+"'%'","UNARY","INCREMENT","DECREMENT","ARROW","'.'","'['","'('","'!'","'~'",
+"']'","')'","'{'","'}'","':'","start"
+};
+
+static const short yyr1[] = { 0,
+ 66, 67, 67, 68, 68, 68, 68, 68, 68, 68,
+ 68, 68, 68, 68, 68, 68, 68, 68, 69, 68,
+ 70, 70, 70, 68, 68, 68, 68, 68, 68, 68,
+ 68, 68, 68, 68, 68, 68, 68, 68, 68, 68,
+ 68, 68, 68, 68, 68, 68, 68, 68, 68, 68,
+ 68, 68, 68, 68, 68, 68, 68, 68, 68, 68,
+ 68, 71, 71, 72, 72, 72, 72, 73, 73, 74,
+ 74, 74, 75, 75, 75, 75, 75, 76, 76, 77,
+ 78, 78, 78, 78, 78, 79, 79, 79, 79, 79,
+ 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
+ 80, 80, 80, 80, 81, 81, 82, 82, 82, 82,
+ 82, 83, 83, 83, 83
+};
+
+static const short yyr2[] = { 0,
+ 1, 1, 3, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 3, 4, 3, 4, 4, 0, 5,
+ 0, 1, 3, 4, 4, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 5, 3, 3, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 4, 1,
+ 1, 1, 3, 3, 3, 2, 1, 1, 2, 1,
+ 2, 1, 3, 2, 1, 2, 1, 2, 3, 2,
+ 1, 3, 6, 8, 9, 1, 1, 1, 1, 2,
+ 3, 2, 3, 2, 2, 2, 2, 1, 2, 1,
+ 1, 1, 1, 1, 1, 3, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1
+};
+
+static const short yydefact[] = { 0,
+ 49, 53, 51, 54, 60, 112, 113, 86, 50, 52,
+ 0, 0, 0, 0, 98, 0, 100, 88, 89, 87,
+ 56, 57, 58, 61, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 1, 2, 0, 55, 0, 67, 107,
+ 108, 109, 110, 111, 94, 95, 96, 0, 13, 101,
+ 103, 104, 102, 97, 66, 103, 104, 99, 90, 92,
+ 5, 6, 4, 9, 10, 0, 81, 0, 68, 7,
+ 8, 0, 68, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 11, 12, 0, 0,
+ 0, 19, 0, 0, 0, 91, 93, 26, 0, 0,
+ 0, 70, 0, 0, 69, 72, 75, 77, 0, 0,
+ 3, 48, 47, 0, 45, 44, 43, 42, 41, 35,
+ 36, 39, 40, 37, 38, 33, 34, 27, 31, 32,
+ 28, 29, 30, 0, 14, 0, 16, 0, 21, 64,
+ 65, 59, 0, 25, 82, 71, 0, 78, 80, 0,
+ 0, 74, 76, 24, 0, 15, 17, 18, 22, 0,
+ 0, 79, 73, 46, 0, 20, 0, 23, 83, 0,
+ 84, 105, 0, 0, 85, 106, 0, 0, 0
+};
+
+static const short yydefgoto[] = { 187,
+ 66, 35, 149, 170, 36, 37, 67, 115, 116, 117,
+ 118, 68, 38, 54, 183, 151, 39
+};
+
+static const short yypact[] = { 159,
+-32768,-32768,-32768,-32768,-32768,-32768, -13,-32768,-32768,-32768,
+ 21, 21, 21, 220, 121, 21, 124, -15, 3,-32768,
+-32768,-32768,-32768,-32768, 159, 159, 159, 159, 159, 159,
+ 159, 159, 272, 80, 306, 32,-32768, 99,-32768,-32768,
+-32768,-32768,-32768,-32768,-32768,-32768,-32768, 159, 508,-32768,
+ 100, 101,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
+ 508, 508, 508, 508, 508, -4,-32768, -52, 79, 508,
+ 508, -55, 92, 159, 159, 159, 159, 159, 159, 159,
+ 159, 159, 159, 159, 159, 159, 159, 159, 159, 159,
+ 159, 159, 159, 159, 159, 159,-32768,-32768, 90, 104,
+ 159,-32768, 21, 21, -35,-32768,-32768,-32768, 272, 159,
+ 110, 157, 25, 209,-32768, 30,-32768,-32768, 159, 84,
+ 306, 306, 306, 271, 358, 382, 405, 427, 448, 467,
+ 467, 144, 144, 144, 144, 480, 480, 492, 502, 502,
+ 508, 508, 508, 159,-32768, 159,-32768, 66, 159, 111,
+-32768, 31, 122, 508,-32768,-32768, 94,-32768,-32768, 95,
+ 98,-32768,-32768, 508, 159, 508, 508,-32768, 306, 63,
+ 107,-32768,-32768, 333, 159,-32768, 116, 306, 128, 239,
+-32768, 145, 64, 272,-32768, 145, 204, 205,-32768
+};
+
+static const short yypgoto[] = {-32768,
+ 2, -14,-32768,-32768,-32768,-32768,-32768, -8,-32768, 93,
+ 105, -32, -26, 193,-32768, 8,-32768
+};
+
+
+#define YYLAST 566
+
+
+static const short yytable[] = { 49,
+ 72, 34, 109, 69, -62, 109, 73, 59, 119, 110,
+ 61, 62, 63, 64, 65, 105, 70, 71, 45, 46,
+ 47, 69, 109, 55, 74, 60, 152, 157, 40, 41,
+ 42, 43, 44, 1, 2, 3, 4, 5, 6, 7,
+ 8, 9, 10, 11, 12, 13, 14, 15, 16, 103,
+ 17, 18, 19, 20, 21, 22, 23, 108, 24, 121,
+ 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
+ 132, 133, 134, 135, 136, 137, 138, 139, 140, 141,
+ 142, 143, 153, 28, 29, 158, 113, 161, 30, 31,
+ 32, 175, 184, 33, 74, 154, 111, 40, 41, 42,
+ 43, 44, 148, 156, 164, 160, 145, 147, 74, 120,
+ 150, 40, 41, 42, 43, 44, 104, 40, 41, 42,
+ 43, 44, 106, 107, 176, 185, 168, 112, -63, 166,
+ 50, 167, 155, 50, 169, 113, 114, 154, 144, 171,
+ 112, 51, 52, 53, 56, 57, 53, 182, 113, 114,
+ 174, 186, 146, 73, 172, 177, 173, 73, 155, 159,
+ 178, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+ 10, 11, 12, 13, 14, 15, 16, 179, 17, 18,
+ 19, 20, 21, 22, 23, 180, 24, 89, 90, 91,
+ 92, 93, 94, 95, 96, 25, 97, 98, 99, 100,
+ 101, 102, 109, 188, 189, 112, 26, 27, 162, 58,
+ 0, 28, 29, 113, 114, 0, 30, 31, 32, 0,
+ 163, 33, 1, 2, 3, 4, 5, 6, 7, 8,
+ 9, 10, 11, 12, 13, 14, 15, 16, 0, 17,
+ 18, 19, 20, 21, 22, 23, 0, 24, 8, 0,
+ 0, 11, 12, 13, 0, 15, 25, 112, 17, 18,
+ 19, 20, 0, 0, 0, 113, 114, 26, 27, 0,
+ 159, 0, 28, 29, 0, 0, 0, 48, 31, 32,
+ 0, 8, 33, 0, 11, 12, 13, 0, 15, 0,
+ 0, 17, 18, 19, 20, 0, 0, 75, 0, 0,
+ 181, 76, 77, 78, 79, 80, 81, 82, 83, 84,
+ 85, 86, 87, 88, 89, 90, 91, 92, 93, 94,
+ 95, 96, 0, 97, 98, 99, 100, 101, 102, 0,
+ 0, 0, 75, 0, 0, 165, 76, 77, 78, 79,
+ 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+ 90, 91, 92, 93, 94, 95, 96, 0, 97, 98,
+ 99, 100, 101, 102, 77, 78, 79, 80, 81, 82,
+ 83, 84, 85, 86, 87, 88, 89, 90, 91, 92,
+ 93, 94, 95, 96, 0, 97, 98, 99, 100, 101,
+ 102, 79, 80, 81, 82, 83, 84, 85, 86, 87,
+ 88, 89, 90, 91, 92, 93, 94, 95, 96, 0,
+ 97, 98, 99, 100, 101, 102, 80, 81, 82, 83,
+ 84, 85, 86, 87, 88, 89, 90, 91, 92, 93,
+ 94, 95, 96, 0, 97, 98, 99, 100, 101, 102,
+ 81, 82, 83, 84, 85, 86, 87, 88, 89, 90,
+ 91, 92, 93, 94, 95, 96, 0, 97, 98, 99,
+ 100, 101, 102, 82, 83, 84, 85, 86, 87, 88,
+ 89, 90, 91, 92, 93, 94, 95, 96, 0, 97,
+ 98, 99, 100, 101, 102, 83, 84, 85, 86, 87,
+ 88, 89, 90, 91, 92, 93, 94, 95, 96, 0,
+ 97, 98, 99, 100, 101, 102, 85, 86, 87, 88,
+ 89, 90, 91, 92, 93, 94, 95, 96, 0, 97,
+ 98, 99, 100, 101, 102, 91, 92, 93, 94, 95,
+ 96, 0, 97, 98, 99, 100, 101, 102, 92, 93,
+ 94, 95, 96, 0, 97, 98, 99, 100, 101, 102,
+ 94, 95, 96, 0, 97, 98, 99, 100, 101, 102,
+ 97, 98, 99, 100, 101, 102
+};
+
+static const short yycheck[] = { 14,
+ 33, 0, 58, 30, 18, 58, 33, 23, 64, 62,
+ 25, 26, 27, 28, 29, 48, 31, 32, 11, 12,
+ 13, 48, 58, 16, 29, 23, 62, 3, 8, 9,
+ 10, 11, 12, 3, 4, 5, 6, 7, 8, 9,
+ 10, 11, 12, 13, 14, 15, 16, 17, 18, 18,
+ 20, 21, 22, 23, 24, 25, 26, 62, 28, 74,
+ 75, 76, 77, 78, 79, 80, 81, 82, 83, 84,
+ 85, 86, 87, 88, 89, 90, 91, 92, 93, 94,
+ 95, 96, 109, 53, 54, 61, 57, 58, 58, 59,
+ 60, 29, 29, 63, 29, 110, 18, 8, 9, 10,
+ 11, 12, 101, 112, 119, 114, 99, 100, 29, 18,
+ 103, 8, 9, 10, 11, 12, 18, 8, 9, 10,
+ 11, 12, 23, 23, 62, 62, 61, 49, 18, 144,
+ 10, 146, 49, 10, 149, 57, 58, 152, 49, 18,
+ 49, 21, 22, 23, 21, 22, 23, 180, 57, 58,
+ 165, 184, 49, 180, 61, 49, 62, 184, 49, 62,
+ 175, 3, 4, 5, 6, 7, 8, 9, 10, 11,
+ 12, 13, 14, 15, 16, 17, 18, 62, 20, 21,
+ 22, 23, 24, 25, 26, 58, 28, 44, 45, 46,
+ 47, 48, 49, 50, 51, 37, 53, 54, 55, 56,
+ 57, 58, 58, 0, 0, 49, 48, 49, 116, 17,
+ -1, 53, 54, 57, 58, -1, 58, 59, 60, -1,
+ 116, 63, 3, 4, 5, 6, 7, 8, 9, 10,
+ 11, 12, 13, 14, 15, 16, 17, 18, -1, 20,
+ 21, 22, 23, 24, 25, 26, -1, 28, 10, -1,
+ -1, 13, 14, 15, -1, 17, 37, 49, 20, 21,
+ 22, 23, -1, -1, -1, 57, 58, 48, 49, -1,
+ 62, -1, 53, 54, -1, -1, -1, 58, 59, 60,
+ -1, 10, 63, -1, 13, 14, 15, -1, 17, -1,
+ -1, 20, 21, 22, 23, -1, -1, 27, -1, -1,
+ 62, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+ 50, 51, -1, 53, 54, 55, 56, 57, 58, -1,
+ -1, -1, 27, -1, -1, 65, 31, 32, 33, 34,
+ 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
+ 45, 46, 47, 48, 49, 50, 51, -1, 53, 54,
+ 55, 56, 57, 58, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+ 48, 49, 50, 51, -1, 53, 54, 55, 56, 57,
+ 58, 34, 35, 36, 37, 38, 39, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, -1,
+ 53, 54, 55, 56, 57, 58, 35, 36, 37, 38,
+ 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
+ 49, 50, 51, -1, 53, 54, 55, 56, 57, 58,
+ 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
+ 46, 47, 48, 49, 50, 51, -1, 53, 54, 55,
+ 56, 57, 58, 37, 38, 39, 40, 41, 42, 43,
+ 44, 45, 46, 47, 48, 49, 50, 51, -1, 53,
+ 54, 55, 56, 57, 58, 38, 39, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, -1,
+ 53, 54, 55, 56, 57, 58, 40, 41, 42, 43,
+ 44, 45, 46, 47, 48, 49, 50, 51, -1, 53,
+ 54, 55, 56, 57, 58, 46, 47, 48, 49, 50,
+ 51, -1, 53, 54, 55, 56, 57, 58, 47, 48,
+ 49, 50, 51, -1, 53, 54, 55, 56, 57, 58,
+ 49, 50, 51, -1, 53, 54, 55, 56, 57, 58,
+ 53, 54, 55, 56, 57, 58
+};
+#define YYPURE 1
+
+/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
+#line 3 "bison.simple"
+
+/* Skeleton output parser for bison,
+ Copyright (C) 1984 Bob Corbett and Richard Stallman
+
+ 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__)
+#include <alloca.h>
+#endif
+
+/* This is the parser code that is written into each bison parser
+ when the %semantic_parser declaration is not specified in the grammar.
+ It was written by Richard Stallman by simplifying the hairy parser
+ used when %semantic_parser is specified. */
+
+/* Note: there must be only one dollar sign in this file.
+ It is replaced by the list of actions, each action
+ as one case of the switch. */
+
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
+#define YYEMPTY -2
+#define YYEOF 0
+#define YYFAIL goto yyerrlab;
+#define YYACCEPT return(0)
+#define YYABORT return(1)
+#define YYERROR goto yyerrlab
+
+#define YYTERROR 1
+#define YYERRCODE 256
+
+#ifndef YYIMPURE
+#define YYLEX yylex()
+#endif
+
+#ifndef YYPURE
+#define YYLEX yylex(&yylval, &yylloc)
+#endif
+
+/* If nonreentrant, generate the variables here */
+
+#ifndef YYIMPURE
+
+int yychar; /* the lookahead symbol */
+YYSTYPE yylval; /* the semantic value of the */
+ /* lookahead symbol */
+
+YYLTYPE yylloc; /* location data for the lookahead */
+ /* symbol */
+
+int yynerrs; /* number of parse errors so far */
+#endif /* YYIMPURE */
+
+#if YYDEBUG != 0
+int yydebug; /* nonzero means print parse trace */
+/* Since this is uninitialized, it does not stop multiple parsers
+ from coexisting. */
+#endif
+
+/* YYMAXDEPTH indicates the initial size of the parser's stacks */
+
+#ifndef YYMAXDEPTH
+#define YYMAXDEPTH 200
+#endif
+
+/* YYMAXLIMIT is the maximum size the stacks can grow to
+ (effective only if the built-in stack extension method is used). */
+
+#ifndef YYMAXLIMIT
+#define YYMAXLIMIT 10000
+#endif
+
+
+#line 90 "bison.simple"
+int
+yyparse()
+{
+ register int yystate;
+ register int yyn;
+ register short *yyssp;
+ register YYSTYPE *yyvsp;
+ YYLTYPE *yylsp;
+ int yyerrstatus; /* number of tokens to shift before error messages enabled */
+ int yychar1; /* lookahead token as an internal (translated) token number */
+
+ short yyssa[YYMAXDEPTH]; /* the state stack */
+ YYSTYPE yyvsa[YYMAXDEPTH]; /* the semantic value stack */
+ YYLTYPE yylsa[YYMAXDEPTH]; /* the location stack */
+
+ short *yyss = yyssa; /* refer to the stacks thru separate pointers */
+ YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
+ YYLTYPE *yyls = yylsa;
+
+ int yymaxdepth = YYMAXDEPTH;
+
+#ifndef YYPURE
+ int yychar;
+ YYSTYPE yylval;
+ YYLTYPE yylloc;
+ int yynerrs;
+#endif
+
+ YYSTYPE yyval; /* the variable used to return */
+ /* semantic values from the action */
+ /* routines */
+
+ int yylen;
+
+#if YYDEBUG != 0
+ if (yydebug)
+ fprintf(stderr, "Starting parse\n");
+#endif
+
+ yystate = 0;
+ yyerrstatus = 0;
+ yynerrs = 0;
+ yychar = YYEMPTY; /* Cause a token to be read. */
+
+ /* Initialize stack pointers.
+ Waste one element of value and location stack
+ so that they stay on the same level as the state stack. */
+
+ yyssp = yyss - 1;
+ yyvsp = yyvs;
+ yylsp = yyls;
+
+/* Push a new state, which is found in yystate . */
+/* In all cases, when you get here, the value and location stacks
+ have just been pushed. so pushing a state here evens the stacks. */
+yynewstate:
+
+ *++yyssp = yystate;
+
+ if (yyssp >= yyss + yymaxdepth - 1)
+ {
+ /* Give user a chance to reallocate the stack */
+ /* Use copies of these so that the &'s don't force the real ones into memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ YYLTYPE *yyls1 = yyls;
+ short *yyss1 = yyss;
+
+ /* Get the current used size of the three stacks, in elements. */
+ int size = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+ /* Each stack pointer address is followed by the size of
+ the data in use in that stack, in bytes. */
+ yyoverflow("parser stack overflow",
+ &yyss1, size * sizeof (*yyssp),
+ &yyvs1, size * sizeof (*yyvsp),
+ &yyls1, size * sizeof (*yylsp),
+ &yymaxdepth);
+
+ yyss = yyss1; yyvs = yyvs1; yyls = yyls1;
+#else /* no yyoverflow */
+ /* Extend the stack our own way. */
+ if (yymaxdepth >= YYMAXLIMIT)
+ yyerror("parser stack overflow");
+ yymaxdepth *= 2;
+ if (yymaxdepth > YYMAXLIMIT)
+ yymaxdepth = YYMAXLIMIT;
+ yyss = (short *) alloca (yymaxdepth * sizeof (*yyssp));
+ bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
+ yyvs = (YYSTYPE *) alloca (yymaxdepth * sizeof (*yyvsp));
+ bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
+#ifdef YYLSP_NEEDED
+ yyls = (YYLTYPE *) alloca (yymaxdepth * sizeof (*yylsp));
+ bcopy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp));
+#endif
+#endif /* no yyoverflow */
+
+ yyssp = yyss + size - 1;
+ yyvsp = yyvs + size - 1;
+#ifdef YYLSP_NEEDED
+ yylsp = yyls + size - 1;
+#endif
+
+#if YYDEBUG != 0
+ if (yydebug)
+ fprintf(stderr, "Stack size increased to %d\n", yymaxdepth);
+#endif
+
+ if (yyssp >= yyss + yymaxdepth - 1)
+ YYABORT;
+ }
+
+#if YYDEBUG != 0
+ if (yydebug)
+ fprintf(stderr, "Entering state %d\n", yystate);
+#endif
+
+/* Do appropriate processing given the current state. */
+/* Read a lookahead token if we need one and don't already have one. */
+yyresume:
+
+ /* First try to decide what to do without reference to lookahead token. */
+
+ yyn = yypact[yystate];
+ if (yyn == YYFLAG)
+ goto yydefault;
+
+ /* Not known => get a lookahead token if don't already have one. */
+
+ /* yychar is either YYEMPTY or YYEOF
+ or a valid token in external form. */
+
+ if (yychar == YYEMPTY)
+ {
+#if YYDEBUG != 0
+ if (yydebug)
+ fprintf(stderr, "Reading a token: ");
+#endif
+ yychar = YYLEX;
+ }
+
+ /* Convert token to internal form (in yychar1) for indexing tables with */
+
+ if (yychar <= 0) /* This means end of input. */
+ {
+ yychar1 = 0;
+ yychar = YYEOF; /* Don't call YYLEX any more */
+
+#if YYDEBUG != 0
+ if (yydebug)
+ fprintf(stderr, "Now at end of input.\n");
+#endif
+ }
+ else
+ {
+ yychar1 = YYTRANSLATE(yychar);
+
+#if YYDEBUG != 0
+ if (yydebug)
+ fprintf(stderr, "Next token is %d (%s)\n", yychar, yytname[yychar1]);
+#endif
+ }
+
+ yyn += yychar1;
+ if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
+ goto yydefault;
+
+ yyn = yytable[yyn];
+
+ /* yyn is what to do for this token type in this state.
+ Negative => reduce, -yyn is rule number.
+ Positive => shift, yyn is new state.
+ New state is final state => don't bother to shift,
+ just return success.
+ 0, or most negative number => error. */
+
+ if (yyn < 0)
+ {
+ if (yyn == YYFLAG)
+ goto yyerrlab;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+ else if (yyn == 0)
+ goto yyerrlab;
+
+ if (yyn == YYFINAL)
+ YYACCEPT;
+
+ /* Shift the lookahead token. */
+
+#if YYDEBUG != 0
+ if (yydebug)
+ fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
+#endif
+
+ /* Discard the token being shifted unless it is eof. */
+ if (yychar != YYEOF)
+ yychar = YYEMPTY;
+
+ *++yyvsp = yylval;
+#ifdef YYLSP_NEEDED
+ *++yylsp = yylloc;
+#endif
+
+ /* count tokens shifted since error; after three, turn off error status. */
+ if (yyerrstatus) yyerrstatus--;
+
+ yystate = yyn;
+ goto yynewstate;
+
+/* Do the default action for the current state. */
+yydefault:
+
+ yyn = yydefact[yystate];
+ if (yyn == 0)
+ goto yyerrlab;
+
+/* Do a reduction. yyn is the number of a rule to reduce with. */
+yyreduce:
+ yylen = yyr2[yyn];
+ yyval = yyvsp[1-yylen]; /* implement default value of the action */
+
+#if YYDEBUG != 0
+ if (yydebug)
+ {
+ if (yylen == 1)
+ fprintf (stderr, "Reducing 1 value via line %d, ",
+ yyrline[yyn]);
+ else
+ fprintf (stderr, "Reducing %d values via line %d, ",
+ yylen, yyrline[yyn]);
+ }
+#endif
+
+
+ switch (yyn) {
+
+case 3:
+#line 224 "../expread.y"
+{ write_exp_elt_opcode (BINOP_COMMA); ;
+ break;}
+case 4:
+#line 229 "../expread.y"
+{ write_exp_elt_opcode (UNOP_IND); ;
+ break;}
+case 5:
+#line 232 "../expread.y"
+{ write_exp_elt_opcode (UNOP_ADDR); ;
+ break;}
+case 6:
+#line 235 "../expread.y"
+{ write_exp_elt_opcode (UNOP_NEG); ;
+ break;}
+case 7:
+#line 239 "../expread.y"
+{ write_exp_elt_opcode (UNOP_ZEROP); ;
+ break;}
+case 8:
+#line 243 "../expread.y"
+{ write_exp_elt_opcode (UNOP_LOGNOT); ;
+ break;}
+case 9:
+#line 247 "../expread.y"
+{ write_exp_elt_opcode (UNOP_PREINCREMENT); ;
+ break;}
+case 10:
+#line 251 "../expread.y"
+{ write_exp_elt_opcode (UNOP_PREDECREMENT); ;
+ break;}
+case 11:
+#line 255 "../expread.y"
+{ write_exp_elt_opcode (UNOP_POSTINCREMENT); ;
+ break;}
+case 12:
+#line 259 "../expread.y"
+{ write_exp_elt_opcode (UNOP_POSTDECREMENT); ;
+ break;}
+case 13:
+#line 263 "../expread.y"
+{ write_exp_elt_opcode (UNOP_SIZEOF); ;
+ break;}
+case 14:
+#line 267 "../expread.y"
+{ write_exp_elt_opcode (STRUCTOP_PTR);
+ write_exp_string (yyvsp[0].sval);
+ write_exp_elt_opcode (STRUCTOP_PTR); ;
+ break;}
+case 15:
+#line 273 "../expread.y"
+{ write_exp_elt_opcode (STRUCTOP_MPTR); ;
+ break;}
+case 16:
+#line 277 "../expread.y"
+{ write_exp_elt_opcode (STRUCTOP_STRUCT);
+ write_exp_string (yyvsp[0].sval);
+ write_exp_elt_opcode (STRUCTOP_STRUCT); ;
+ break;}
+case 17:
+#line 283 "../expread.y"
+{ write_exp_elt_opcode (STRUCTOP_MEMBER); ;
+ break;}
+case 18:
+#line 287 "../expread.y"
+{ write_exp_elt_opcode (BINOP_SUBSCRIPT); ;
+ break;}
+case 19:
+#line 293 "../expread.y"
+{ start_arglist (); ;
+ break;}
+case 20:
+#line 295 "../expread.y"
+{ write_exp_elt_opcode (OP_FUNCALL);
+ write_exp_elt_longcst ((LONGEST) end_arglist ());
+ write_exp_elt_opcode (OP_FUNCALL); ;
+ break;}
+case 22:
+#line 304 "../expread.y"
+{ arglist_len = 1; ;
+ break;}
+case 23:
+#line 308 "../expread.y"
+{ arglist_len++; ;
+ break;}
+case 24:
+#line 312 "../expread.y"
+{ write_exp_elt_opcode (UNOP_MEMVAL);
+ write_exp_elt_type (yyvsp[-2].tval);
+ write_exp_elt_opcode (UNOP_MEMVAL); ;
+ break;}
+case 25:
+#line 318 "../expread.y"
+{ write_exp_elt_opcode (UNOP_CAST);
+ write_exp_elt_type (yyvsp[-2].tval);
+ write_exp_elt_opcode (UNOP_CAST); ;
+ break;}
+case 26:
+#line 324 "../expread.y"
+{ ;
+ break;}
+case 27:
+#line 330 "../expread.y"
+{ write_exp_elt_opcode (BINOP_REPEAT); ;
+ break;}
+case 28:
+#line 334 "../expread.y"
+{ write_exp_elt_opcode (BINOP_MUL); ;
+ break;}
+case 29:
+#line 338 "../expread.y"
+{ write_exp_elt_opcode (BINOP_DIV); ;
+ break;}
+case 30:
+#line 342 "../expread.y"
+{ write_exp_elt_opcode (BINOP_REM); ;
+ break;}
+case 31:
+#line 346 "../expread.y"
+{ write_exp_elt_opcode (BINOP_ADD); ;
+ break;}
+case 32:
+#line 350 "../expread.y"
+{ write_exp_elt_opcode (BINOP_SUB); ;
+ break;}
+case 33:
+#line 354 "../expread.y"
+{ write_exp_elt_opcode (BINOP_LSH); ;
+ break;}
+case 34:
+#line 358 "../expread.y"
+{ write_exp_elt_opcode (BINOP_RSH); ;
+ break;}
+case 35:
+#line 362 "../expread.y"
+{ write_exp_elt_opcode (BINOP_EQUAL); ;
+ break;}
+case 36:
+#line 366 "../expread.y"
+{ write_exp_elt_opcode (BINOP_NOTEQUAL); ;
+ break;}
+case 37:
+#line 370 "../expread.y"
+{ write_exp_elt_opcode (BINOP_LEQ); ;
+ break;}
+case 38:
+#line 374 "../expread.y"
+{ write_exp_elt_opcode (BINOP_GEQ); ;
+ break;}
+case 39:
+#line 378 "../expread.y"
+{ write_exp_elt_opcode (BINOP_LESS); ;
+ break;}
+case 40:
+#line 382 "../expread.y"
+{ write_exp_elt_opcode (BINOP_GTR); ;
+ break;}
+case 41:
+#line 386 "../expread.y"
+{ write_exp_elt_opcode (BINOP_LOGAND); ;
+ break;}
+case 42:
+#line 390 "../expread.y"
+{ write_exp_elt_opcode (BINOP_LOGXOR); ;
+ break;}
+case 43:
+#line 394 "../expread.y"
+{ write_exp_elt_opcode (BINOP_LOGIOR); ;
+ break;}
+case 44:
+#line 398 "../expread.y"
+{ write_exp_elt_opcode (BINOP_AND); ;
+ break;}
+case 45:
+#line 402 "../expread.y"
+{ write_exp_elt_opcode (BINOP_OR); ;
+ break;}
+case 46:
+#line 406 "../expread.y"
+{ write_exp_elt_opcode (TERNOP_COND); ;
+ break;}
+case 47:
+#line 410 "../expread.y"
+{ write_exp_elt_opcode (BINOP_ASSIGN); ;
+ break;}
+case 48:
+#line 414 "../expread.y"
+{ write_exp_elt_opcode (BINOP_ASSIGN_MODIFY);
+ write_exp_elt_opcode (yyvsp[-1].opcode);
+ write_exp_elt_opcode (BINOP_ASSIGN_MODIFY); ;
+ break;}
+case 49:
+#line 420 "../expread.y"
+{ write_exp_elt_opcode (OP_LONG);
+ if (yyvsp[0].lval == (int) yyvsp[0].lval || yyvsp[0].lval == (unsigned int) yyvsp[0].lval)
+ write_exp_elt_type (builtin_type_int);
+ else
+ write_exp_elt_type (BUILTIN_TYPE_LONGEST);
+ write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
+ write_exp_elt_opcode (OP_LONG); ;
+ break;}
+case 50:
+#line 430 "../expread.y"
+{ YYSTYPE val;
+ parse_number (yyvsp[0].ssym.stoken.ptr, yyvsp[0].ssym.stoken.length, 0, &val);
+ write_exp_elt_opcode (OP_LONG);
+ if (val.lval == (int) val.lval ||
+ val.lval == (unsigned int) val.lval)
+ write_exp_elt_type (builtin_type_int);
+ else
+ write_exp_elt_type (BUILTIN_TYPE_LONGEST);
+ write_exp_elt_longcst (val.lval);
+ write_exp_elt_opcode (OP_LONG); ;
+ break;}
+case 51:
+#line 443 "../expread.y"
+{
+ write_exp_elt_opcode (OP_LONG);
+ if (yyvsp[0].ulval == (unsigned int) yyvsp[0].ulval)
+ write_exp_elt_type (builtin_type_unsigned_int);
+ else
+ write_exp_elt_type (BUILTIN_TYPE_UNSIGNED_LONGEST);
+ write_exp_elt_longcst ((LONGEST) yyvsp[0].ulval);
+ write_exp_elt_opcode (OP_LONG);
+ ;
+ break;}
+case 52:
+#line 455 "../expread.y"
+{ YYSTYPE val;
+ parse_number (yyvsp[0].ssym.stoken.ptr, yyvsp[0].ssym.stoken.length, 0, &val);
+ write_exp_elt_opcode (OP_LONG);
+ if (val.ulval == (unsigned int) val.ulval)
+ write_exp_elt_type (builtin_type_unsigned_int);
+ else
+ write_exp_elt_type (BUILTIN_TYPE_UNSIGNED_LONGEST);
+ write_exp_elt_longcst ((LONGEST)val.ulval);
+ write_exp_elt_opcode (OP_LONG);
+ ;
+ break;}
+case 53:
+#line 468 "../expread.y"
+{ write_exp_elt_opcode (OP_LONG);
+ write_exp_elt_type (builtin_type_char);
+ write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
+ write_exp_elt_opcode (OP_LONG); ;
+ break;}
+case 54:
+#line 475 "../expread.y"
+{ write_exp_elt_opcode (OP_DOUBLE);
+ write_exp_elt_type (builtin_type_double);
+ write_exp_elt_dblcst (yyvsp[0].dval);
+ write_exp_elt_opcode (OP_DOUBLE); ;
+ break;}
+case 56:
+#line 485 "../expread.y"
+{ write_exp_elt_opcode (OP_LAST);
+ write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
+ write_exp_elt_opcode (OP_LAST); ;
+ break;}
+case 57:
+#line 491 "../expread.y"
+{ write_exp_elt_opcode (OP_REGISTER);
+ write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
+ write_exp_elt_opcode (OP_REGISTER); ;
+ break;}
+case 58:
+#line 497 "../expread.y"
+{ write_exp_elt_opcode (OP_INTERNALVAR);
+ write_exp_elt_intern (yyvsp[0].ivar);
+ write_exp_elt_opcode (OP_INTERNALVAR); ;
+ break;}
+case 59:
+#line 503 "../expread.y"
+{ write_exp_elt_opcode (OP_LONG);
+ write_exp_elt_type (builtin_type_int);
+ write_exp_elt_longcst ((LONGEST) TYPE_LENGTH (yyvsp[-1].tval));
+ write_exp_elt_opcode (OP_LONG); ;
+ break;}
+case 60:
+#line 510 "../expread.y"
+{ write_exp_elt_opcode (OP_STRING);
+ write_exp_string (yyvsp[0].sval);
+ write_exp_elt_opcode (OP_STRING); ;
+ break;}
+case 61:
+#line 517 "../expread.y"
+{ write_exp_elt_opcode (OP_THIS);
+ write_exp_elt_opcode (OP_THIS); ;
+ break;}
+case 62:
+#line 524 "../expread.y"
+{
+ if (yyvsp[0].ssym.sym != 0)
+ yyval.bval = SYMBOL_BLOCK_VALUE (yyvsp[0].ssym.sym);
+ else
+ {
+ struct symtab *tem =
+ lookup_symtab (copy_name (yyvsp[0].ssym.stoken));
+ if (tem)
+ yyval.bval = BLOCKVECTOR_BLOCK (BLOCKVECTOR (tem), 1);
+ else
+ error ("No file or function \"%s\".",
+ copy_name (yyvsp[0].ssym.stoken));
+ }
+ ;
+ break;}
+case 63:
+#line 541 "../expread.y"
+{ struct symbol *tem
+ = lookup_symbol (copy_name (yyvsp[0].sval), yyvsp[-2].bval,
+ VAR_NAMESPACE, 0, NULL);
+ if (!tem || SYMBOL_CLASS (tem) != LOC_BLOCK)
+ error ("No function \"%s\" in specified context.",
+ copy_name (yyvsp[0].sval));
+ yyval.bval = SYMBOL_BLOCK_VALUE (tem); ;
+ break;}
+case 64:
+#line 551 "../expread.y"
+{ struct symbol *sym;
+ sym = lookup_symbol (copy_name (yyvsp[0].sval), yyvsp[-2].bval,
+ VAR_NAMESPACE, 0, NULL);
+ if (sym == 0)
+ error ("No symbol \"%s\" in specified context.",
+ copy_name (yyvsp[0].sval));
+ write_exp_elt_opcode (OP_VAR_VALUE);
+ write_exp_elt_sym (sym);
+ write_exp_elt_opcode (OP_VAR_VALUE); ;
+ break;}
+case 65:
+#line 563 "../expread.y"
+{
+ struct type *type = yyvsp[-2].tval;
+ if (TYPE_CODE (type) != TYPE_CODE_STRUCT
+ && TYPE_CODE (type) != TYPE_CODE_UNION)
+ error ("`%s' is not defined as an aggregate type.",
+ TYPE_NAME (type));
+
+ write_exp_elt_opcode (OP_SCOPE);
+ write_exp_elt_type (type);
+ write_exp_string (yyvsp[0].sval);
+ write_exp_elt_opcode (OP_SCOPE);
+ ;
+ break;}
+case 66:
+#line 576 "../expread.y"
+{
+ char *name = copy_name (yyvsp[0].sval);
+ struct symbol *sym;
+ int i;
+
+ sym =
+ lookup_symbol (name, 0, VAR_NAMESPACE, 0, NULL);
+ if (sym)
+ {
+ write_exp_elt_opcode (OP_VAR_VALUE);
+ write_exp_elt_sym (sym);
+ write_exp_elt_opcode (OP_VAR_VALUE);
+ break;
+ }
+ for (i = 0; i < misc_function_count; i++)
+ if (!strcmp (misc_function_vector[i].name, name))
+ break;
+
+ if (i < misc_function_count)
+ {
+ enum misc_function_type mft =
+ misc_function_vector[i].type;
+
+ write_exp_elt_opcode (OP_LONG);
+ write_exp_elt_type (builtin_type_int);
+ write_exp_elt_longcst ((LONGEST) misc_function_vector[i].address);
+ write_exp_elt_opcode (OP_LONG);
+ write_exp_elt_opcode (UNOP_MEMVAL);
+ if (mft == mf_data || mft == mf_bss)
+ write_exp_elt_type (builtin_type_int);
+ else if (mft == mf_text)
+ write_exp_elt_type (lookup_function_type (builtin_type_int));
+ else
+ write_exp_elt_type (builtin_type_char);
+ write_exp_elt_opcode (UNOP_MEMVAL);
+ }
+ else
+ if (symtab_list == 0
+ && partial_symtab_list == 0)
+ error ("No symbol table is loaded. Use the \"file\" command.");
+ else
+ error ("No symbol \"%s\" in current context.", name);
+ ;
+ break;}
+case 67:
+#line 622 "../expread.y"
+{ struct symbol *sym = yyvsp[0].ssym.sym;
+
+ if (sym)
+ {
+ switch (sym->class)
+ {
+ case LOC_REGISTER:
+ case LOC_ARG:
+ case LOC_LOCAL:
+ case LOC_LOCAL_ARG:
+ if (innermost_block == 0 ||
+ contained_in (block_found,
+ innermost_block))
+ innermost_block = block_found;
+ }
+ write_exp_elt_opcode (OP_VAR_VALUE);
+ write_exp_elt_sym (sym);
+ write_exp_elt_opcode (OP_VAR_VALUE);
+ }
+ else if (yyvsp[0].ssym.is_a_field_of_this)
+ {
+ /* C++: it hangs off of `this'. Must
+ not inadvertently convert from a method call
+ to data ref. */
+ if (innermost_block == 0 ||
+ contained_in (block_found, innermost_block))
+ innermost_block = block_found;
+ write_exp_elt_opcode (OP_THIS);
+ write_exp_elt_opcode (OP_THIS);
+ write_exp_elt_opcode (STRUCTOP_PTR);
+ write_exp_string (yyvsp[0].ssym.stoken);
+ write_exp_elt_opcode (STRUCTOP_PTR);
+ }
+ else
+ {
+ register int i;
+ register char *arg = copy_name (yyvsp[0].ssym.stoken);
+
+ /* FIXME, this search is linear! At least
+ optimize the strcmp with a 1-char cmp... */
+ for (i = 0; i < misc_function_count; i++)
+ if (!strcmp (misc_function_vector[i].name, arg))
+ break;
+
+ if (i < misc_function_count)
+ {
+ enum misc_function_type mft =
+ misc_function_vector[i].type;
+
+ write_exp_elt_opcode (OP_LONG);
+ write_exp_elt_type (builtin_type_int);
+ write_exp_elt_longcst ((LONGEST) misc_function_vector[i].address);
+ write_exp_elt_opcode (OP_LONG);
+ write_exp_elt_opcode (UNOP_MEMVAL);
+ if (mft == mf_data || mft == mf_bss)
+ write_exp_elt_type (builtin_type_int);
+ else if (mft == mf_text)
+ write_exp_elt_type (lookup_function_type (builtin_type_int));
+ else
+ write_exp_elt_type (builtin_type_char);
+ write_exp_elt_opcode (UNOP_MEMVAL);
+ }
+ else if (symtab_list == 0
+ && partial_symtab_list == 0)
+ error ("No symbol table is loaded. Use the \"file\" command.");
+ else
+ error ("No symbol \"%s\" in current context.",
+ copy_name (yyvsp[0].ssym.stoken));
+ }
+ ;
+ break;}
+case 69:
+#line 697 "../expread.y"
+{
+ /* This is where the interesting stuff happens. */
+ int done = 0;
+ int array_size;
+ struct type *follow_type = yyvsp[-1].tval;
+
+ while (!done)
+ switch (pop_type ())
+ {
+ case tp_end:
+ done = 1;
+ break;
+ case tp_pointer:
+ follow_type = lookup_pointer_type (follow_type);
+ break;
+ case tp_reference:
+ follow_type = lookup_reference_type (follow_type);
+ break;
+ case tp_array:
+ array_size = (int) pop_type ();
+ if (array_size != -1)
+ follow_type = create_array_type (follow_type,
+ array_size);
+ else
+ follow_type = lookup_pointer_type (follow_type);
+ break;
+ case tp_function:
+ follow_type = lookup_function_type (follow_type);
+ break;
+ }
+ yyval.tval = follow_type;
+ ;
+ break;}
+case 70:
+#line 732 "../expread.y"
+{ push_type (tp_pointer); yyval.voidval = 0; ;
+ break;}
+case 71:
+#line 734 "../expread.y"
+{ push_type (tp_pointer); yyval.voidval = yyvsp[0].voidval; ;
+ break;}
+case 73:
+#line 739 "../expread.y"
+{ yyval.voidval = yyvsp[-1].voidval; ;
+ break;}
+case 74:
+#line 741 "../expread.y"
+{
+ push_type ((enum type_pieces) yyvsp[0].lval);
+ push_type (tp_array);
+ ;
+ break;}
+case 75:
+#line 746 "../expread.y"
+{
+ push_type ((enum type_pieces) yyvsp[0].lval);
+ push_type (tp_array);
+ yyval.voidval = 0;
+ ;
+ break;}
+case 76:
+#line 752 "../expread.y"
+{ push_type (tp_function); ;
+ break;}
+case 77:
+#line 754 "../expread.y"
+{ push_type (tp_function); ;
+ break;}
+case 78:
+#line 758 "../expread.y"
+{ yyval.lval = -1; ;
+ break;}
+case 79:
+#line 760 "../expread.y"
+{ yyval.lval = yyvsp[-1].lval; ;
+ break;}
+case 80:
+#line 764 "../expread.y"
+{ yyval.voidval = 0; ;
+ break;}
+case 82:
+#line 769 "../expread.y"
+{ yyval.tval = lookup_member_type (builtin_type_int, yyvsp[-2].tval); ;
+ break;}
+case 83:
+#line 771 "../expread.y"
+{ yyval.tval = lookup_member_type (yyvsp[-5].tval, yyvsp[-3].tval); ;
+ break;}
+case 84:
+#line 773 "../expread.y"
+{ yyval.tval = lookup_member_type
+ (lookup_function_type (yyvsp[-7].tval), yyvsp[-5].tval); ;
+ break;}
+case 85:
+#line 776 "../expread.y"
+{ yyval.tval = lookup_member_type
+ (lookup_function_type (yyvsp[-8].tval), yyvsp[-6].tval);
+ free (yyvsp[-1].tvec); ;
+ break;}
+case 86:
+#line 783 "../expread.y"
+{ yyval.tval = yyvsp[0].tsym.type; ;
+ break;}
+case 87:
+#line 785 "../expread.y"
+{ yyval.tval = builtin_type_int; ;
+ break;}
+case 88:
+#line 787 "../expread.y"
+{ yyval.tval = builtin_type_long; ;
+ break;}
+case 89:
+#line 789 "../expread.y"
+{ yyval.tval = builtin_type_short; ;
+ break;}
+case 90:
+#line 791 "../expread.y"
+{ yyval.tval = builtin_type_long; ;
+ break;}
+case 91:
+#line 793 "../expread.y"
+{ yyval.tval = builtin_type_unsigned_long; ;
+ break;}
+case 92:
+#line 795 "../expread.y"
+{ yyval.tval = builtin_type_short; ;
+ break;}
+case 93:
+#line 797 "../expread.y"
+{ yyval.tval = builtin_type_unsigned_short; ;
+ break;}
+case 94:
+#line 799 "../expread.y"
+{ yyval.tval = lookup_struct (copy_name (yyvsp[0].sval),
+ expression_context_block); ;
+ break;}
+case 95:
+#line 802 "../expread.y"
+{ yyval.tval = lookup_union (copy_name (yyvsp[0].sval),
+ expression_context_block); ;
+ break;}
+case 96:
+#line 805 "../expread.y"
+{ yyval.tval = lookup_enum (copy_name (yyvsp[0].sval),
+ expression_context_block); ;
+ break;}
+case 97:
+#line 808 "../expread.y"
+{ yyval.tval = lookup_unsigned_typename (TYPE_NAME(yyvsp[0].tsym.type)); ;
+ break;}
+case 98:
+#line 810 "../expread.y"
+{ yyval.tval = builtin_type_unsigned_int; ;
+ break;}
+case 99:
+#line 812 "../expread.y"
+{ yyval.tval = yyvsp[0].tsym.type; ;
+ break;}
+case 100:
+#line 814 "../expread.y"
+{ yyval.tval = builtin_type_int; ;
+ break;}
+case 102:
+#line 819 "../expread.y"
+{
+ yyval.tsym.stoken.ptr = "int";
+ yyval.tsym.stoken.length = 3;
+ yyval.tsym.type = builtin_type_int;
+ ;
+ break;}
+case 103:
+#line 825 "../expread.y"
+{
+ yyval.tsym.stoken.ptr = "long";
+ yyval.tsym.stoken.length = 4;
+ yyval.tsym.type = builtin_type_long;
+ ;
+ break;}
+case 104:
+#line 831 "../expread.y"
+{
+ yyval.tsym.stoken.ptr = "short";
+ yyval.tsym.stoken.length = 5;
+ yyval.tsym.type = builtin_type_short;
+ ;
+ break;}
+case 105:
+#line 840 "../expread.y"
+{ yyval.tvec = (struct type **)xmalloc (sizeof (struct type *) * 2);
+ yyval.tvec[0] = (struct type *)0;
+ yyval.tvec[1] = yyvsp[0].tval;
+ ;
+ break;}
+case 106:
+#line 845 "../expread.y"
+{ int len = sizeof (struct type *) * ++(yyvsp[-2].ivec[0]);
+ yyval.tvec = (struct type **)xrealloc (yyvsp[-2].tvec, len);
+ yyval.tvec[yyval.ivec[0]] = yyvsp[0].tval;
+ ;
+ break;}
+case 107:
+#line 851 "../expread.y"
+{ yyval.sval = yyvsp[0].ssym.stoken; ;
+ break;}
+case 108:
+#line 852 "../expread.y"
+{ yyval.sval = yyvsp[0].ssym.stoken; ;
+ break;}
+case 109:
+#line 853 "../expread.y"
+{ yyval.sval = yyvsp[0].tsym.stoken; ;
+ break;}
+case 110:
+#line 854 "../expread.y"
+{ yyval.sval = yyvsp[0].ssym.stoken; ;
+ break;}
+case 111:
+#line 855 "../expread.y"
+{ yyval.sval = yyvsp[0].ssym.stoken; ;
+ break;}
+}
+ /* the action file gets copied in in place of this dollarsign */
+#line 327 "bison.simple"
+
+ yyvsp -= yylen;
+ yyssp -= yylen;
+#ifdef YYLSP_NEEDED
+ yylsp -= yylen;
+#endif
+
+#if YYDEBUG != 0
+ if (yydebug)
+ {
+ short *ssp1 = yyss - 1;
+ fprintf (stderr, "state stack now");
+ while (ssp1 != yyssp)
+ fprintf (stderr, " %d", *++ssp1);
+ fprintf (stderr, "\n");
+ }
+#endif
+
+ *++yyvsp = yyval;
+
+#ifdef YYLSP_NEEDED
+ yylsp++;
+ if (yylen == 0)
+ {
+ yylsp->first_line = yylloc.first_line;
+ yylsp->first_column = yylloc.first_column;
+ yylsp->last_line = (yylsp-1)->last_line;
+ yylsp->last_column = (yylsp-1)->last_column;
+ yylsp->text = 0;
+ }
+ else
+ {
+ yylsp->last_line = (yylsp+yylen-1)->last_line;
+ yylsp->last_column = (yylsp+yylen-1)->last_column;
+ }
+#endif
+
+ /* Now "shift" the result of the reduction.
+ Determine what state that goes to,
+ based on the state we popped back to
+ and the rule number reduced by. */
+
+ yyn = yyr1[yyn];
+
+ yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
+ if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yytable[yystate];
+ else
+ yystate = yydefgoto[yyn - YYNTBASE];
+
+ goto yynewstate;
+
+yyerrlab: /* here on detecting error */
+
+ if (! yyerrstatus)
+ /* If not already recovering from an error, report this error. */
+ {
+ ++yynerrs;
+ yyerror("parse error");
+ }
+
+ if (yyerrstatus == 3)
+ {
+ /* if just tried and failed to reuse lookahead token after an error, discard it. */
+
+ /* return failure if at end of input */
+ if (yychar == YYEOF)
+ YYABORT;
+
+#if YYDEBUG != 0
+ if (yydebug)
+ fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
+#endif
+
+ yychar = YYEMPTY;
+ }
+
+ /* Else will try to reuse lookahead token
+ after shifting the error token. */
+
+ yyerrstatus = 3; /* Each real token shifted decrements this */
+
+ goto yyerrhandle;
+
+yyerrdefault: /* current state does not do anything special for the error token. */
+
+#if 0
+ /* This is wrong; only states that explicitly want error tokens
+ should shift them. */
+ yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
+ if (yyn) goto yydefault;
+#endif
+
+yyerrpop: /* pop the current state because it cannot handle the error token */
+
+ if (yyssp == yyss) YYABORT;
+ yyvsp--;
+ yystate = *--yyssp;
+#ifdef YYLSP_NEEDED
+ yylsp--;
+#endif
+
+#if YYDEBUG != 0
+ if (yydebug)
+ {
+ short *ssp1 = yyss - 1;
+ fprintf (stderr, "Error: state stack now");
+ while (ssp1 != yyssp)
+ fprintf (stderr, " %d", *++ssp1);
+ fprintf (stderr, "\n");
+ }
+#endif
+
+yyerrhandle:
+
+ yyn = yypact[yystate];
+ if (yyn == YYFLAG)
+ goto yyerrdefault;
+
+ yyn += YYTERROR;
+ if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
+ goto yyerrdefault;
+
+ yyn = yytable[yyn];
+ if (yyn < 0)
+ {
+ if (yyn == YYFLAG)
+ goto yyerrpop;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+ else if (yyn == 0)
+ goto yyerrpop;
+
+ if (yyn == YYFINAL)
+ YYACCEPT;
+
+#if YYDEBUG != 0
+ if (yydebug)
+ fprintf(stderr, "Shifting error token, ");
+#endif
+
+ *++yyvsp = yylval;
+#ifdef YYLSP_NEEDED
+ *++yylsp = yylloc;
+#endif
+
+ yystate = yyn;
+ goto yynewstate;
+}
+#line 864 "../expread.y"
+
+
+/* Begin counting arguments for a function call,
+ saving the data about any containing call. */
+
+static void
+start_arglist ()
+{
+ register struct funcall *new = (struct funcall *) xmalloc (sizeof (struct funcall));
+
+ new->next = funcall_chain;
+ new->arglist_len = arglist_len;
+ arglist_len = 0;
+ funcall_chain = new;
+}
+
+/* Return the number of arguments in a function call just terminated,
+ and restore the data for the containing function call. */
+
+static int
+end_arglist ()
+{
+ register int val = arglist_len;
+ register struct funcall *call = funcall_chain;
+ funcall_chain = call->next;
+ arglist_len = call->arglist_len;
+ free (call);
+ return val;
+}
+
+/* Free everything in the funcall chain.
+ Used when there is an error inside parsing. */
+
+static void
+free_funcalls ()
+{
+ register struct funcall *call, *next;
+
+ for (call = funcall_chain; call; call = next)
+ {
+ next = call->next;
+ free (call);
+ }
+}
+
+/* This page contains the functions for adding data to the struct expression
+ being constructed. */
+
+/* Add one element to the end of the expression. */
+
+/* To avoid a bug in the Sun 4 compiler, we pass things that can fit into
+ a register through here */
+
+static void
+write_exp_elt (expelt)
+ union exp_element expelt;
+{
+ if (expout_ptr >= expout_size)
+ {
+ expout_size *= 2;
+ expout = (struct expression *) xrealloc (expout,
+ sizeof (struct expression)
+ + expout_size * sizeof (union exp_element));
+ }
+ expout->elts[expout_ptr++] = expelt;
+}
+
+static void
+write_exp_elt_opcode (expelt)
+ enum exp_opcode expelt;
+{
+ union exp_element tmp;
+
+ tmp.opcode = expelt;
+
+ write_exp_elt (tmp);
+}
+
+static void
+write_exp_elt_sym (expelt)
+ struct symbol *expelt;
+{
+ union exp_element tmp;
+
+ tmp.symbol = expelt;
+
+ write_exp_elt (tmp);
+}
+
+static void
+write_exp_elt_longcst (expelt)
+ LONGEST expelt;
+{
+ union exp_element tmp;
+
+ tmp.longconst = expelt;
+
+ write_exp_elt (tmp);
+}
+
+static void
+write_exp_elt_dblcst (expelt)
+ double expelt;
+{
+ union exp_element tmp;
+
+ tmp.doubleconst = expelt;
+
+ write_exp_elt (tmp);
+}
+
+static void
+write_exp_elt_type (expelt)
+ struct type *expelt;
+{
+ union exp_element tmp;
+
+ tmp.type = expelt;
+
+ write_exp_elt (tmp);
+}
+
+static void
+write_exp_elt_intern (expelt)
+ struct internalvar *expelt;
+{
+ union exp_element tmp;
+
+ tmp.internalvar = expelt;
+
+ write_exp_elt (tmp);
+}
+
+/* Add a string constant to the end of the expression.
+ Follow it by its length in bytes, as a separate exp_element. */
+
+static void
+write_exp_string (str)
+ struct stoken str;
+{
+ register int len = str.length;
+ register int lenelt
+ = (len + sizeof (union exp_element)) / sizeof (union exp_element);
+
+ expout_ptr += lenelt;
+
+ if (expout_ptr >= expout_size)
+ {
+ expout_size = max (expout_size * 2, expout_ptr + 10);
+ expout = (struct expression *)
+ xrealloc (expout, (sizeof (struct expression)
+ + (expout_size * sizeof (union exp_element))));
+ }
+ bcopy (str.ptr, (char *) &expout->elts[expout_ptr - lenelt], len);
+ ((char *) &expout->elts[expout_ptr - lenelt])[len] = 0;
+ write_exp_elt_longcst ((LONGEST) len);
+}
+
+/* During parsing of a C expression, the pointer to the next character
+ is in this variable. */
+
+static char *lexptr;
+
+/* Tokens that refer to names do so with explicit pointer and length,
+ so they can share the storage that lexptr is parsing.
+
+ When it is necessary to pass a name to a function that expects
+ a null-terminated string, the substring is copied out
+ into a block of storage that namecopy points to.
+
+ namecopy is allocated once, guaranteed big enough, for each parsing. */
+
+static char *namecopy;
+
+/* Current depth in parentheses within the expression. */
+
+static int paren_depth;
+
+/* Nonzero means stop parsing on first comma (if not within parentheses). */
+
+static int comma_terminates;
+
+/* Take care of parsing a number (anything that starts with a digit).
+ Set yylval and return the token type; update lexptr.
+ LEN is the number of characters in it. */
+
+/*** Needs some error checking for the float case ***/
+
+static int
+parse_number (p, len, parsed_float, putithere)
+ register char *p;
+ register int len;
+ int parsed_float;
+ YYSTYPE *putithere;
+{
+ register LONGEST n = 0;
+ register int i;
+ register int c;
+ register int base = input_radix;
+ int unsigned_p = 0;
+
+ extern double atof ();
+
+ if (parsed_float)
+ {
+ /* It's a float since it contains a point or an exponent. */
+ putithere->dval = atof (p);
+ return FLOAT;
+ }
+
+ /* Handle base-switching prefixes 0x, 0t, 0d, 0 */
+ if (p[0] == '0')
+ switch (p[1])
+ {
+ case 'x':
+ case 'X':
+ if (len >= 3)
+ {
+ p += 2;
+ base = 16;
+ len -= 2;
+ }
+ break;
+
+ case 't':
+ case 'T':
+ case 'd':
+ case 'D':
+ if (len >= 3)
+ {
+ p += 2;
+ base = 10;
+ len -= 2;
+ }
+ break;
+
+ default:
+ base = 8;
+ break;
+ }
+
+ while (len-- > 0)
+ {
+ c = *p++;
+ if (c >= 'A' && c <= 'Z')
+ c += 'a' - 'A';
+ if (c != 'l' && c != 'u')
+ n *= base;
+ if (c >= '0' && c <= '9')
+ n += i = c - '0';
+ else
+ {
+ if (base > 10 && c >= 'a' && c <= 'f')
+ n += i = c - 'a' + 10;
+ else if (len == 0 && c == 'l')
+ ;
+ else if (len == 0 && c == 'u')
+ unsigned_p = 1;
+ else
+ return ERROR; /* Char not a digit */
+ }
+ if (i >= base)
+ return ERROR; /* Invalid digit in this base */
+ }
+
+ if (unsigned_p)
+ {
+ putithere->ulval = n;
+ return UINT;
+ }
+ else
+ {
+ putithere->lval = n;
+ return INT;
+ }
+}
+
+struct token
+{
+ char *operator;
+ int token;
+ enum exp_opcode opcode;
+};
+
+static struct token tokentab3[] =
+ {
+ {">>=", ASSIGN_MODIFY, BINOP_RSH},
+ {"<<=", ASSIGN_MODIFY, BINOP_LSH}
+ };
+
+static struct token tokentab2[] =
+ {
+ {"+=", ASSIGN_MODIFY, BINOP_ADD},
+ {"-=", ASSIGN_MODIFY, BINOP_SUB},
+ {"*=", ASSIGN_MODIFY, BINOP_MUL},
+ {"/=", ASSIGN_MODIFY, BINOP_DIV},
+ {"%=", ASSIGN_MODIFY, BINOP_REM},
+ {"|=", ASSIGN_MODIFY, BINOP_LOGIOR},
+ {"&=", ASSIGN_MODIFY, BINOP_LOGAND},
+ {"^=", ASSIGN_MODIFY, BINOP_LOGXOR},
+ {"++", INCREMENT, BINOP_END},
+ {"--", DECREMENT, BINOP_END},
+ {"->", ARROW, BINOP_END},
+ {"&&", AND, BINOP_END},
+ {"||", OR, BINOP_END},
+ {"::", COLONCOLON, BINOP_END},
+ {"<<", LSH, BINOP_END},
+ {">>", RSH, BINOP_END},
+ {"==", EQUAL, BINOP_END},
+ {"!=", NOTEQUAL, BINOP_END},
+ {"<=", LEQ, BINOP_END},
+ {">=", GEQ, BINOP_END}
+ };
+
+/* assign machine-independent names to certain registers
+ * (unless overridden by the REGISTER_NAMES table)
+ */
+struct std_regs {
+ char *name;
+ int regnum;
+} std_regs[] = {
+#ifdef PC_REGNUM
+ { "pc", PC_REGNUM },
+#endif
+#ifdef FP_REGNUM
+ { "fp", FP_REGNUM },
+#endif
+#ifdef SP_REGNUM
+ { "sp", SP_REGNUM },
+#endif
+#ifdef PS_REGNUM
+ { "ps", PS_REGNUM },
+#endif
+};
+
+#define NUM_STD_REGS (sizeof std_regs / sizeof std_regs[0])
+
+/* Read one token, getting characters through lexptr. */
+
+static int
+yylex ()
+{
+ register int c;
+ register int namelen;
+ register unsigned i;
+ register char *tokstart;
+
+ retry:
+
+ tokstart = lexptr;
+ /* See if it is a special token of length 3. */
+ for (i = 0; i < sizeof tokentab3 / sizeof tokentab3[0]; i++)
+ if (!strncmp (tokstart, tokentab3[i].operator, 3))
+ {
+ lexptr += 3;
+ yylval.opcode = tokentab3[i].opcode;
+ return tokentab3[i].token;
+ }
+
+ /* See if it is a special token of length 2. */
+ for (i = 0; i < sizeof tokentab2 / sizeof tokentab2[0]; i++)
+ if (!strncmp (tokstart, tokentab2[i].operator, 2))
+ {
+ lexptr += 2;
+ yylval.opcode = tokentab2[i].opcode;
+ return tokentab2[i].token;
+ }
+
+ switch (c = *tokstart)
+ {
+ case 0:
+ return 0;
+
+ case ' ':
+ case '\t':
+ case '\n':
+ lexptr++;
+ goto retry;
+
+ case '\'':
+ lexptr++;
+ c = *lexptr++;
+ if (c == '\\')
+ c = parse_escape (&lexptr);
+ yylval.lval = c;
+ c = *lexptr++;
+ if (c != '\'')
+ error ("Invalid character constant.");
+ return CHAR;
+
+ case '(':
+ paren_depth++;
+ lexptr++;
+ return c;
+
+ case ')':
+ if (paren_depth == 0)
+ return 0;
+ paren_depth--;
+ lexptr++;
+ return c;
+
+ case ',':
+ if (comma_terminates && paren_depth == 0)
+ return 0;
+ lexptr++;
+ return c;
+
+ case '.':
+ /* Might be a floating point number. */
+ if (lexptr[1] < '0' || lexptr[1] > '9')
+ goto symbol; /* Nope, must be a symbol. */
+ /* FALL THRU into number case. */
+
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ {
+ /* It's a number. */
+ int got_dot = 0, got_e = 0, toktype;
+ register char *p = tokstart;
+ int hex = input_radix > 10;
+
+ if (c == '0' && (p[1] == 'x' || p[1] == 'X'))
+ {
+ p += 2;
+ hex = 1;
+ }
+ else if (c == '0' && (p[1]=='t' || p[1]=='T' || p[1]=='d' || p[1]=='D'))
+ {
+ p += 2;
+ hex = 0;
+ }
+
+ for (;; ++p)
+ {
+ if (!hex && !got_e && (*p == 'e' || *p == 'E'))
+ got_dot = got_e = 1;
+ else if (!hex && !got_dot && *p == '.')
+ got_dot = 1;
+ else if (got_e && (p[-1] == 'e' || p[-1] == 'E')
+ && (*p == '-' || *p == '+'))
+ /* This is the sign of the exponent, not the end of the
+ number. */
+ continue;
+ /* We will take any letters or digits. parse_number will
+ complain if past the radix, or if L or U are not final. */
+ else if ((*p < '0' || *p > '9')
+ && ((*p < 'a' || *p > 'z')
+ && (*p < 'A' || *p > 'Z')))
+ break;
+ }
+ toktype = parse_number (tokstart, p - tokstart, got_dot|got_e, &yylval);
+ if (toktype == ERROR)
+ {
+ char *err_copy = (char *) alloca (p - tokstart + 1);
+
+ bcopy (tokstart, err_copy, p - tokstart);
+ err_copy[p - tokstart] = 0;
+ error ("Invalid number \"%s\".", err_copy);
+ }
+ lexptr = p;
+ return toktype;
+ }
+
+ case '+':
+ case '-':
+ case '*':
+ case '/':
+ case '%':
+ case '|':
+ case '&':
+ case '^':
+ case '~':
+ case '!':
+ case '@':
+ case '<':
+ case '>':
+ case '[':
+ case ']':
+ case '?':
+ case ':':
+ case '=':
+ case '{':
+ case '}':
+ symbol:
+ lexptr++;
+ return c;
+
+ case '"':
+ for (namelen = 1; (c = tokstart[namelen]) != '"'; namelen++)
+ if (c == '\\')
+ {
+ c = tokstart[++namelen];
+ if (c >= '0' && c <= '9')
+ {
+ c = tokstart[++namelen];
+ if (c >= '0' && c <= '9')
+ c = tokstart[++namelen];
+ }
+ }
+ yylval.sval.ptr = tokstart + 1;
+ yylval.sval.length = namelen - 1;
+ lexptr += namelen + 1;
+ return STRING;
+ }
+
+ if (!(c == '_' || c == '$'
+ || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')))
+ /* We must have come across a bad character (e.g. ';'). */
+ error ("Invalid character '%c' in expression.", c);
+
+ /* It's a name. See how long it is. */
+ namelen = 0;
+ for (c = tokstart[namelen];
+ (c == '_' || c == '$' || (c >= '0' && c <= '9')
+ || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'));
+ c = tokstart[++namelen])
+ ;
+
+ /* The token "if" terminates the expression and is NOT
+ removed from the input stream. */
+ if (namelen == 2 && tokstart[0] == 'i' && tokstart[1] == 'f')
+ {
+ return 0;
+ }
+
+ lexptr += namelen;
+
+ /* Handle the tokens $digits; also $ (short for $0) and $$ (short for $$1)
+ and $$digits (equivalent to $<-digits> if you could type that).
+ Make token type LAST, and put the number (the digits) in yylval. */
+
+ if (*tokstart == '$')
+ {
+ register int negate = 0;
+ c = 1;
+ /* Double dollar means negate the number and add -1 as well.
+ Thus $$ alone means -1. */
+ if (namelen >= 2 && tokstart[1] == '$')
+ {
+ negate = 1;
+ c = 2;
+ }
+ if (c == namelen)
+ {
+ /* Just dollars (one or two) */
+ yylval.lval = - negate;
+ return LAST;
+ }
+ /* Is the rest of the token digits? */
+ for (; c < namelen; c++)
+ if (!(tokstart[c] >= '0' && tokstart[c] <= '9'))
+ break;
+ if (c == namelen)
+ {
+ yylval.lval = atoi (tokstart + 1 + negate);
+ if (negate)
+ yylval.lval = - yylval.lval;
+ return LAST;
+ }
+ }
+
+ /* Handle tokens that refer to machine registers:
+ $ followed by a register name. */
+
+ if (*tokstart == '$') {
+ for (c = 0; c < NUM_REGS; c++)
+ if (namelen - 1 == strlen (reg_names[c])
+ && !strncmp (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))
+ {
+ yylval.lval = std_regs[c].regnum;
+ return REGNAME;
+ }
+ }
+ /* Catch specific keywords. Should be done with a data structure. */
+ switch (namelen)
+ {
+ case 8:
+ if (!strncmp (tokstart, "unsigned", 8))
+ return UNSIGNED;
+ break;
+ case 6:
+ if (!strncmp (tokstart, "struct", 6))
+ return STRUCT;
+ if (!strncmp (tokstart, "signed", 6))
+ return SIGNED;
+ if (!strncmp (tokstart, "sizeof", 6))
+ return SIZEOF;
+ break;
+ case 5:
+ if (!strncmp (tokstart, "union", 5))
+ return UNION;
+ if (!strncmp (tokstart, "short", 5))
+ return SHORT;
+ break;
+ case 4:
+ if (!strncmp (tokstart, "enum", 4))
+ return ENUM;
+ if (!strncmp (tokstart, "long", 4))
+ return LONG;
+ if (!strncmp (tokstart, "this", 4))
+ {
+ static const char this_name[] =
+ { CPLUS_MARKER, 't', 'h', 'i', 's', '\0' };
+
+ if (lookup_symbol (this_name, expression_context_block,
+ VAR_NAMESPACE, 0, NULL))
+ return THIS;
+ }
+ break;
+ case 3:
+ if (!strncmp (tokstart, "int", 3))
+ return INT_KEYWORD;
+ break;
+ default:
+ break;
+ }
+
+ yylval.sval.ptr = tokstart;
+ yylval.sval.length = namelen;
+
+ /* Any other names starting in $ are debugger internal variables. */
+
+ if (*tokstart == '$')
+ {
+ yylval.ivar = lookup_internalvar (copy_name (yylval.sval) + 1);
+ return VARIABLE;
+ }
+
+ /* Use token-type BLOCKNAME for symbols that happen to be defined as
+ functions or symtabs. If this is not so, then ...
+ Use token-type TYPENAME for symbols that happen to be defined
+ currently as names of types; NAME for other symbols.
+ The caller is not constrained to care about the distinction. */
+ {
+ char *tmp = copy_name (yylval.sval);
+ struct symbol *sym;
+ int is_a_field_of_this = 0;
+ int hextype;
+
+ sym = lookup_symbol (tmp, expression_context_block,
+ VAR_NAMESPACE, &is_a_field_of_this, NULL);
+ if ((sym && SYMBOL_CLASS (sym) == LOC_BLOCK) ||
+ lookup_partial_symtab (tmp))
+ {
+ yylval.ssym.sym = sym;
+ yylval.ssym.is_a_field_of_this = is_a_field_of_this;
+ return BLOCKNAME;
+ }
+ if (sym && SYMBOL_CLASS (sym) == LOC_TYPEDEF)
+ {
+ yylval.tsym.type = SYMBOL_TYPE (sym);
+ return TYPENAME;
+ }
+ if ((yylval.tsym.type = lookup_primitive_typename (tmp)) != 0)
+ return TYPENAME;
+
+ /* Input names that aren't symbols but ARE valid hex numbers,
+ when the input radix permits them, can be names or numbers
+ depending on the parse. Note we support radixes > 16 here. */
+ if (!sym &&
+ ((tokstart[0] >= 'a' && tokstart[0] < 'a' + input_radix - 10) ||
+ (tokstart[0] >= 'A' && tokstart[0] < 'A' + input_radix - 10)))
+ {
+ YYSTYPE newlval; /* Its value is ignored. */
+ hextype = parse_number (tokstart, namelen, 0, &newlval);
+ if (hextype == INT)
+ {
+ yylval.ssym.sym = sym;
+ yylval.ssym.is_a_field_of_this = is_a_field_of_this;
+ return NAME_OR_INT;
+ }
+ if (hextype == UINT)
+ {
+ yylval.ssym.sym = sym;
+ yylval.ssym.is_a_field_of_this = is_a_field_of_this;
+ return NAME_OR_UINT;
+ }
+ }
+
+ /* Any other kind of symbol */
+ yylval.ssym.sym = sym;
+ yylval.ssym.is_a_field_of_this = is_a_field_of_this;
+ return NAME;
+ }
+}
+
+static void
+yyerror (msg)
+ char *msg;
+{
+ error ("Invalid syntax in expression.");
+}
+
+/* Return a null-terminated temporary copy of the name
+ of a string token. */
+
+static char *
+copy_name (token)
+ struct stoken token;
+{
+ bcopy (token.ptr, namecopy, token.length);
+ namecopy[token.length] = 0;
+ return namecopy;
+}
+
+/* Reverse an expression from suffix form (in which it is constructed)
+ to prefix form (in which we can conveniently print or execute it). */
+
+static void prefixify_subexp ();
+
+static void
+prefixify_expression (expr)
+ register struct expression *expr;
+{
+ register int len = sizeof (struct expression) +
+ expr->nelts * sizeof (union exp_element);
+ register struct expression *temp;
+ register int inpos = expr->nelts, outpos = 0;
+
+ temp = (struct expression *) alloca (len);
+
+ /* Copy the original expression into temp. */
+ bcopy (expr, temp, len);
+
+ prefixify_subexp (temp, expr, inpos, outpos);
+}
+
+/* Return the number of exp_elements in the subexpression of EXPR
+ whose last exp_element is at index ENDPOS - 1 in EXPR. */
+
+static int
+length_of_subexp (expr, endpos)
+ register struct expression *expr;
+ register int endpos;
+{
+ register int oplen = 1;
+ register int args = 0;
+ register int i;
+
+ if (endpos < 0)
+ error ("?error in length_of_subexp");
+
+ i = (int) expr->elts[endpos - 1].opcode;
+
+ switch (i)
+ {
+ /* C++ */
+ case OP_SCOPE:
+ oplen = 4 + ((expr->elts[endpos - 2].longconst
+ + sizeof (union exp_element))
+ / sizeof (union exp_element));
+ break;
+
+ case OP_LONG:
+ case OP_DOUBLE:
+ oplen = 4;
+ break;
+
+ case OP_VAR_VALUE:
+ case OP_LAST:
+ case OP_REGISTER:
+ case OP_INTERNALVAR:
+ oplen = 3;
+ break;
+
+ case OP_FUNCALL:
+ oplen = 3;
+ args = 1 + expr->elts[endpos - 2].longconst;
+ break;
+
+ case UNOP_CAST:
+ case UNOP_MEMVAL:
+ oplen = 3;
+ args = 1;
+ break;
+
+ case STRUCTOP_STRUCT:
+ case STRUCTOP_PTR:
+ args = 1;
+ case OP_STRING:
+ oplen = 3 + ((expr->elts[endpos - 2].longconst
+ + sizeof (union exp_element))
+ / sizeof (union exp_element));
+ break;
+
+ case TERNOP_COND:
+ args = 3;
+ break;
+
+ case BINOP_ASSIGN_MODIFY:
+ oplen = 3;
+ args = 2;
+ break;
+
+ /* C++ */
+ case OP_THIS:
+ oplen = 2;
+ break;
+
+ default:
+ args = 1 + (i < (int) BINOP_END);
+ }
+
+ while (args > 0)
+ {
+ oplen += length_of_subexp (expr, endpos - oplen);
+ args--;
+ }
+
+ return oplen;
+}
+
+/* Copy the subexpression ending just before index INEND in INEXPR
+ into OUTEXPR, starting at index OUTBEG.
+ In the process, convert it from suffix to prefix form. */
+
+static void
+prefixify_subexp (inexpr, outexpr, inend, outbeg)
+ register struct expression *inexpr;
+ struct expression *outexpr;
+ register int inend;
+ int outbeg;
+{
+ register int oplen = 1;
+ register int args = 0;
+ register int i;
+ int *arglens;
+ enum exp_opcode opcode;
+
+ /* Compute how long the last operation is (in OPLEN),
+ and also how many preceding subexpressions serve as
+ arguments for it (in ARGS). */
+
+ opcode = inexpr->elts[inend - 1].opcode;
+ switch (opcode)
+ {
+ /* C++ */
+ case OP_SCOPE:
+ oplen = 4 + ((inexpr->elts[inend - 2].longconst
+ + sizeof (union exp_element))
+ / sizeof (union exp_element));
+ break;
+
+ case OP_LONG:
+ case OP_DOUBLE:
+ oplen = 4;
+ break;
+
+ case OP_VAR_VALUE:
+ case OP_LAST:
+ case OP_REGISTER:
+ case OP_INTERNALVAR:
+ oplen = 3;
+ break;
+
+ case OP_FUNCALL:
+ oplen = 3;
+ args = 1 + inexpr->elts[inend - 2].longconst;
+ break;
+
+ case UNOP_CAST:
+ case UNOP_MEMVAL:
+ oplen = 3;
+ args = 1;
+ break;
+
+ case STRUCTOP_STRUCT:
+ case STRUCTOP_PTR:
+ args = 1;
+ case OP_STRING:
+ oplen = 3 + ((inexpr->elts[inend - 2].longconst
+ + sizeof (union exp_element))
+ / sizeof (union exp_element));
+
+ break;
+
+ case TERNOP_COND:
+ args = 3;
+ break;
+
+ case BINOP_ASSIGN_MODIFY:
+ oplen = 3;
+ args = 2;
+ break;
+
+ /* C++ */
+ case OP_THIS:
+ oplen = 2;
+ break;
+
+ default:
+ args = 1 + ((int) opcode < (int) BINOP_END);
+ }
+
+ /* Copy the final operator itself, from the end of the input
+ to the beginning of the output. */
+ inend -= oplen;
+ bcopy (&inexpr->elts[inend], &outexpr->elts[outbeg],
+ oplen * sizeof (union exp_element));
+ outbeg += oplen;
+
+ /* Find the lengths of the arg subexpressions. */
+ arglens = (int *) alloca (args * sizeof (int));
+ for (i = args - 1; i >= 0; i--)
+ {
+ oplen = length_of_subexp (inexpr, inend);
+ arglens[i] = oplen;
+ inend -= oplen;
+ }
+
+ /* Now copy each subexpression, preserving the order of
+ the subexpressions, but prefixifying each one.
+ In this loop, inend starts at the beginning of
+ the expression this level is working on
+ and marches forward over the arguments.
+ outbeg does similarly in the output. */
+ for (i = 0; i < args; i++)
+ {
+ oplen = arglens[i];
+ inend += oplen;
+ prefixify_subexp (inexpr, outexpr, inend, outbeg);
+ outbeg += oplen;
+ }
+}
+
+/* This page contains the two entry points to this file. */
+
+/* Read a C expression from the string *STRINGPTR points to,
+ parse it, and return a pointer to a struct expression that we malloc.
+ Use block BLOCK as the lexical context for variable names;
+ if BLOCK is zero, use the block of the selected stack frame.
+ Meanwhile, advance *STRINGPTR to point after the expression,
+ at the first nonwhite character that is not part of the expression
+ (possibly a null character).
+
+ If COMMA is nonzero, stop if a comma is reached. */
+
+struct expression *
+parse_c_1 (stringptr, block, comma)
+ char **stringptr;
+ struct block *block;
+ int comma;
+{
+ struct cleanup *old_chain;
+
+ lexptr = *stringptr;
+
+ paren_depth = 0;
+ type_stack_depth = 0;
+
+ comma_terminates = comma;
+
+ if (lexptr == 0 || *lexptr == 0)
+ error_no_arg ("expression to compute");
+
+ old_chain = make_cleanup (free_funcalls, 0);
+ funcall_chain = 0;
+
+ expression_context_block = block ? block : get_selected_block ();
+
+ namecopy = (char *) alloca (strlen (lexptr) + 1);
+ expout_size = 10;
+ expout_ptr = 0;
+ expout = (struct expression *)
+ xmalloc (sizeof (struct expression)
+ + expout_size * sizeof (union exp_element));
+ make_cleanup (free_current_contents, &expout);
+ if (yyparse ())
+ yyerror (NULL);
+ discard_cleanups (old_chain);
+ expout->nelts = expout_ptr;
+ expout = (struct expression *)
+ xrealloc (expout,
+ sizeof (struct expression)
+ + expout_ptr * sizeof (union exp_element));
+ prefixify_expression (expout);
+ *stringptr = lexptr;
+ return expout;
+}
+
+/* Parse STRING as an expression, and complain if this fails
+ to use up all of the contents of STRING. */
+
+struct expression *
+parse_c_expression (string)
+ char *string;
+{
+ register struct expression *exp;
+ exp = parse_c_1 (&string, 0, 0);
+ if (*string)
+ error ("Junk after end of expression.");
+ return exp;
+}
+
+static void
+push_type (tp)
+ enum type_pieces tp;
+{
+ if (type_stack_depth == type_stack_size)
+ {
+ type_stack_size *= 2;
+ type_stack = (enum type_pieces *)
+ xrealloc (type_stack, type_stack_size * sizeof (enum type_pieces));
+ }
+ type_stack[type_stack_depth++] = tp;
+}
+
+static enum type_pieces
+pop_type ()
+{
+ if (type_stack_depth)
+ return type_stack[--type_stack_depth];
+ return tp_end;
+}
+
+void
+_initialize_expread ()
+{
+ type_stack_size = 80;
+ type_stack_depth = 0;
+ type_stack = (enum type_pieces *)
+ xmalloc (type_stack_size * sizeof (enum type_pieces));
+}
generated by cgit v1.1 at 2024-10-17 03:30:56 +0000