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-
- /* A Bison parser, made from expread.y with Bison version GNU Bison version 1.22
- */
-
- #define YYBISON 1 /* Identify Bison output. */
-
- #define INT 258
- #define CHAR 259
- #define UINT 260
- #define FLOAT 261
- #define NAME 262
- #define TYPENAME 263
- #define BLOCKNAME 264
- #define STRING 265
- #define STRUCT 266
- #define UNION 267
- #define ENUM 268
- #define SIZEOF 269
- #define UNSIGNED 270
- #define COLONCOLON 271
- #define SIGNED 272
- #define LONG 273
- #define SHORT 274
- #define INT_KEYWORD 275
- #define DOUBLE 276
- #define LAST 277
- #define REGNAME 278
- #define VARIABLE 279
- #define ASSIGN_MODIFY 280
- #define THIS 281
- #define ABOVE_COMMA 282
- #define OR 283
- #define AND 284
- #define EQUAL 285
- #define NOTEQUAL 286
- #define LEQ 287
- #define GEQ 288
- #define LSH 289
- #define RSH 290
- #define UNARY 291
- #define INCREMENT 292
- #define DECREMENT 293
- #define ARROW 294
-
- #line 29 "expread.y"
-
- #include <stdio.h>
- #include "defs.h"
- #include "param.h"
- #include "symtab.h"
- #include "frame.h"
- #include "expression.h"
-
- #ifdef atarist
- #include "gnu-out.h"
- #else
- #include <a.out.h>
- #endif
-
- 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 ();
-
- /* 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;
- };
-
- /* 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 115 "expread.y"
- typedef union
- {
- LONGEST lval;
- unsigned LONGEST ulval;
- double dval;
- struct symbol *sym;
- struct type *tval;
- struct stoken sval;
- 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 __cplusplus
- #ifndef __STDC__
- #define const
- #endif
- #endif
-
-
-
- #define YYFINAL 191
- #define YYFLAG -32768
- #define YYNTBASE 64
-
- #define YYTRANSLATE(x) ((unsigned)(x) <= 294 ? yytranslate[x] : 82)
-
- 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, 57, 2, 2, 2, 49, 35, 2, 56,
- 60, 47, 45, 27, 46, 54, 48, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 63, 2, 38,
- 29, 39, 30, 44, 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,
- 55, 2, 59, 34, 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, 61, 33, 62, 58, 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, 28, 31, 32, 36, 37, 40, 41, 42, 43,
- 50, 51, 52, 53
- };
-
- #if YYDEBUG != 0
- static const short yyprhs[] = { 0,
- 0, 2, 4, 8, 11, 14, 17, 20, 23, 26,
- 29, 32, 35, 38, 42, 47, 51, 56, 61, 62,
- 68, 69, 71, 75, 80, 85, 89, 93, 97, 101,
- 105, 109, 113, 117, 121, 125, 129, 133, 137, 141,
- 145, 149, 153, 157, 161, 165, 171, 175, 179, 181,
- 183, 185, 187, 189, 191, 193, 195, 200, 202, 204,
- 206, 210, 214, 218, 221, 223, 225, 228, 230, 233,
- 235, 239, 242, 244, 247, 249, 252, 256, 259, 261,
- 265, 272, 281, 291, 293, 295, 297, 300, 302, 305,
- 309, 313, 318, 321, 325, 327, 330, 333, 336, 339,
- 342, 344, 347, 349, 351, 353, 355, 357, 359, 363,
- 365, 367, 369, 371
- };
-
- static const short yyrhs[] = { 65,
- 0, 66, 0, 65, 27, 66, 0, 47, 66, 0,
- 35, 66, 0, 46, 66, 0, 57, 66, 0, 58,
- 66, 0, 51, 66, 0, 52, 66, 0, 66, 51,
- 0, 66, 52, 0, 14, 66, 0, 66, 53, 80,
- 0, 66, 53, 47, 66, 0, 66, 54, 80, 0,
- 66, 54, 47, 66, 0, 66, 55, 65, 59, 0,
- 0, 66, 56, 67, 68, 60, 0, 0, 66, 0,
- 68, 27, 66, 0, 61, 76, 62, 66, 0, 56,
- 76, 60, 66, 0, 56, 65, 60, 0, 66, 44,
- 66, 0, 66, 47, 66, 0, 66, 48, 66, 0,
- 66, 49, 66, 0, 66, 45, 66, 0, 66, 46,
- 66, 0, 66, 42, 66, 0, 66, 43, 66, 0,
- 66, 36, 66, 0, 66, 37, 66, 0, 66, 40,
- 66, 0, 66, 41, 66, 0, 66, 38, 66, 0,
- 66, 39, 66, 0, 66, 35, 66, 0, 66, 34,
- 66, 0, 66, 33, 66, 0, 66, 32, 66, 0,
- 66, 31, 66, 0, 66, 30, 66, 63, 66, 0,
- 66, 29, 66, 0, 66, 25, 66, 0, 3, 0,
- 5, 0, 4, 0, 6, 0, 70, 0, 22, 0,
- 23, 0, 24, 0, 14, 56, 76, 60, 0, 10,
- 0, 26, 0, 9, 0, 69, 16, 80, 0, 69,
- 16, 80, 0, 77, 16, 80, 0, 16, 80, 0,
- 81, 0, 77, 0, 77, 72, 0, 47, 0, 47,
- 72, 0, 73, 0, 56, 72, 60, 0, 73, 74,
- 0, 74, 0, 73, 75, 0, 75, 0, 55, 59,
- 0, 55, 3, 59, 0, 56, 60, 0, 71, 0,
- 77, 16, 47, 0, 76, 56, 77, 16, 47, 60,
- 0, 76, 56, 77, 16, 47, 60, 56, 60, 0,
- 76, 56, 77, 16, 47, 60, 56, 79, 60, 0,
- 8, 0, 20, 0, 18, 0, 18, 18, 0, 19,
- 0, 18, 20, 0, 18, 18, 20, 0, 15, 18,
- 20, 0, 15, 18, 18, 20, 0, 19, 20, 0,
- 15, 19, 20, 0, 21, 0, 18, 21, 0, 11,
- 80, 0, 12, 80, 0, 13, 80, 0, 15, 78,
- 0, 15, 0, 17, 78, 0, 17, 0, 8, 0,
- 20, 0, 18, 0, 19, 0, 76, 0, 79, 27,
- 76, 0, 7, 0, 9, 0, 8, 0, 7, 0,
- 9, 0
- };
-
- #endif
-
- #if YYDEBUG != 0
- static const short yyrline[] = { 0,
- 194, 198, 199, 204, 207, 210, 214, 218, 222, 226,
- 230, 234, 238, 242, 248, 252, 258, 262, 266, 270,
- 276, 279, 283, 287, 293, 299, 305, 309, 313, 317,
- 321, 325, 329, 333, 337, 341, 345, 349, 353, 357,
- 361, 365, 369, 373, 377, 381, 385, 389, 395, 415,
- 436, 443, 450, 453, 459, 465, 471, 478, 485, 492,
- 513, 522, 533, 546, 592, 669, 670, 705, 707, 709,
- 712, 714, 719, 725, 727, 731, 733, 737, 741, 742,
- 744, 746, 749, 756, 759, 761, 763, 772, 774, 776,
- 785, 787, 796, 798, 800, 802, 811, 814, 817, 820,
- 822, 824, 827, 831, 832, 837, 842, 850, 855, 862,
- 863, 864, 867, 868
- };
-
- static const char * const yytname[] = { "$","error","$illegal.","INT","CHAR",
- "UINT","FLOAT","NAME","TYPENAME","BLOCKNAME","STRING","STRUCT","UNION","ENUM",
- "SIZEOF","UNSIGNED","COLONCOLON","SIGNED","LONG","SHORT","INT_KEYWORD","DOUBLE",
- "LAST","REGNAME","VARIABLE","ASSIGN_MODIFY","THIS","','","ABOVE_COMMA","'='",
- "'?'","OR","AND","'|'","'^'","'&'","EQUAL","NOTEQUAL","'<'","'>'","LEQ","GEQ",
- "LSH","RSH","'@'","'+'","'-'","'*'","'/'","'%'","UNARY","INCREMENT","DECREMENT",
- "ARROW","'.'","'['","'('","'!'","'~'","']'","')'","'{'","'}'","':'","start",
- "exp1","exp","@1","arglist","block","variable","ptype","abs_decl","direct_abs_decl",
- "array_mod","func_mod","type","typebase","typename","nonempty_typelist","name",
- "name_not_typename",""
- };
- #endif
-
- static const short yyr1[] = { 0,
- 64, 65, 65, 66, 66, 66, 66, 66, 66, 66,
- 66, 66, 66, 66, 66, 66, 66, 66, 67, 66,
- 68, 68, 68, 66, 66, 66, 66, 66, 66, 66,
- 66, 66, 66, 66, 66, 66, 66, 66, 66, 66,
- 66, 66, 66, 66, 66, 66, 66, 66, 66, 66,
- 66, 66, 66, 66, 66, 66, 66, 66, 66, 69,
- 69, 70, 70, 70, 70, 71, 71, 72, 72, 72,
- 73, 73, 73, 73, 73, 74, 74, 75, 76, 76,
- 76, 76, 76, 77, 77, 77, 77, 77, 77, 77,
- 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
- 77, 77, 77, 78, 78, 78, 78, 79, 79, 80,
- 80, 80, 81, 81
- };
-
- 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, 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, 2, 1, 2, 3,
- 3, 4, 2, 3, 1, 2, 2, 2, 2, 2,
- 1, 2, 1, 1, 1, 1, 1, 1, 3, 1,
- 1, 1, 1, 1
- };
-
- static const short yydefact[] = { 0,
- 49, 51, 50, 52, 113, 84, 114, 58, 0, 0,
- 0, 0, 101, 0, 103, 86, 88, 85, 95, 54,
- 55, 56, 59, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 1, 2, 0, 53, 0, 65, 110, 112,
- 111, 97, 98, 99, 0, 13, 104, 106, 107, 105,
- 100, 64, 106, 107, 102, 87, 89, 96, 93, 5,
- 6, 4, 9, 10, 0, 79, 0, 66, 7, 8,
- 0, 66, 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, 0, 91, 94, 90, 26, 0,
- 0, 0, 68, 0, 0, 67, 70, 73, 75, 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,
- 62, 63, 57, 92, 0, 25, 80, 69, 0, 76,
- 78, 0, 0, 72, 74, 24, 0, 15, 17, 18,
- 22, 0, 0, 77, 71, 46, 0, 20, 0, 23,
- 81, 0, 82, 108, 0, 0, 83, 109, 0, 0,
- 0
- };
-
- static const short yydefgoto[] = { 189,
- 65, 34, 150, 172, 35, 36, 66, 116, 117, 118,
- 119, 67, 37, 51, 185, 152, 38
- };
-
- static const short yypact[] = { 163,
- -32768,-32768,-32768,-32768,-32768,-32768, -13,-32768, 137, 137,
- 137, 222, 131, 137, 198, 82, 8,-32768,-32768,-32768,
- -32768,-32768,-32768, 163, 163, 163, 163, 163, 163, 163,
- 163, 105, 6, 350, 18,-32768, 37,-32768,-32768,-32768,
- -32768,-32768,-32768,-32768, 163, 515,-32768, 11, 40,-32768,
- -32768,-32768,-32768,-32768,-32768, 85,-32768,-32768,-32768, 515,
- 515, 515, 515, 515, -22,-32768, -50, -7, 515, 515,
- -45, 39, 163, 163, 163, 163, 163, 163, 163, 163,
- 163, 163, 163, 163, 163, 163, 163, 163, 163, 163,
- 163, 163, 163, 163, 163,-32768,-32768, 43, 80, 163,
- -32768, 137, 137, -30, 89,-32768,-32768,-32768,-32768, 105,
- 163, 84, 51, -1, 87,-32768, -9,-32768,-32768, 163,
- 12, 350, 350, 350, 315, 402, 275, 425, 447, 468,
- 487, 487, 148, 148, 148, 148, 207, 207, 499, 509,
- 509, 515, 515, 515, 163,-32768, 163,-32768, -2, 163,
- 88,-32768, 281,-32768, 94, 515,-32768,-32768, 55,-32768,
- -32768, 59, 61,-32768,-32768, 515, 163, 515, 515,-32768,
- 350, 69, 81,-32768,-32768, 377, 163,-32768, 72, 350,
- 92, 24,-32768, 96, 70, 105,-32768, 96, 136, 140,
- -32768
- };
-
- static const short yypgoto[] = {-32768,
- 1, -12,-32768,-32768,-32768,-32768,-32768, -59,-32768, 20,
- 36, -24, -25, 139,-32768, 13,-32768
- };
-
-
- #define YYLAST 571
-
-
- static const short yytable[] = { 46,
- 33, 159, -60, 68, 73, 110, 72, 71, 112, 111,
- 110, 60, 61, 62, 63, 64, 120, 69, 70, 68,
- 104, 42, 43, 44, 73, 110, 52, 59, 105, 153,
- 106, 6, 73, 102, 9, 10, 11, 109, 13, 113,
- 15, 16, 17, 18, 19, 114, 163, 114, 115, 39,
- 40, 41, 103, 158, 121, 162, 170, 160, 157, 107,
- 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
- 132, 133, 134, 135, 136, 137, 138, 139, 140, 141,
- 142, 143, 144, 183, 155, 113, 39, 40, 41, 145,
- 39, 40, 41, 114, 115, 177, 186, 113, 156, 56,
- 149, 57, 58, -61, 108, 114, 115, 166, 154, 173,
- 146, 148, 6, 174, 151, 9, 10, 11, 175, 13,
- 161, 15, 16, 17, 18, 19, 147, 179, 178, 187,
- 157, 181, 168, 113, 169, 190, 164, 171, 47, 191,
- 156, 114, 115, 39, 40, 41, 161, 182, 48, 49,
- 50, 110, 165, 55, 176, 0, 72, 184, 0, 0,
- 72, 188, 0, 0, 180, 1, 2, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 0, 23, 88,
- 89, 90, 91, 92, 93, 94, 95, 24, 96, 97,
- 98, 99, 100, 101, 0, 47, 0, 0, 25, 26,
- 0, 0, 0, 27, 28, 53, 54, 50, 29, 30,
- 31, 0, 0, 32, 1, 2, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
- 17, 18, 19, 20, 21, 22, 0, 23, 0, 0,
- 90, 91, 92, 93, 94, 95, 24, 96, 97, 98,
- 99, 100, 101, 0, 0, 0, 0, 25, 26, 0,
- 0, 0, 27, 28, 0, 0, 0, 45, 30, 31,
- 0, 0, 32, 1, 2, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
- 18, 19, 20, 21, 22, 0, 23, 79, 80, 81,
- 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
- 92, 93, 94, 95, 0, 96, 97, 98, 99, 100,
- 101, 27, 28, 0, 0, 0, 29, 30, 31, 74,
- 0, 32, 0, 75, 76, 77, 78, 79, 80, 81,
- 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
- 92, 93, 94, 95, 0, 96, 97, 98, 99, 100,
- 101, 0, 0, 0, 74, 0, 0, 167, 75, 76,
- 77, 78, 79, 80, 81, 82, 83, 84, 85, 86,
- 87, 88, 89, 90, 91, 92, 93, 94, 95, 0,
- 96, 97, 98, 99, 100, 101, 76, 77, 78, 79,
- 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
- 90, 91, 92, 93, 94, 95, 0, 96, 97, 98,
- 99, 100, 101, 78, 79, 80, 81, 82, 83, 84,
- 85, 86, 87, 88, 89, 90, 91, 92, 93, 94,
- 95, 0, 96, 97, 98, 99, 100, 101, 80, 81,
- 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
- 92, 93, 94, 95, 0, 96, 97, 98, 99, 100,
- 101, 81, 82, 83, 84, 85, 86, 87, 88, 89,
- 90, 91, 92, 93, 94, 95, 0, 96, 97, 98,
- 99, 100, 101, 82, 83, 84, 85, 86, 87, 88,
- 89, 90, 91, 92, 93, 94, 95, 0, 96, 97,
- 98, 99, 100, 101, 84, 85, 86, 87, 88, 89,
- 90, 91, 92, 93, 94, 95, 0, 96, 97, 98,
- 99, 100, 101, 91, 92, 93, 94, 95, 0, 96,
- 97, 98, 99, 100, 101, 93, 94, 95, 0, 96,
- 97, 98, 99, 100, 101, 96, 97, 98, 99, 100,
- 101
- };
-
- static const short yycheck[] = { 12,
- 0, 3, 16, 29, 27, 56, 32, 32, 16, 60,
- 56, 24, 25, 26, 27, 28, 62, 30, 31, 45,
- 45, 9, 10, 11, 27, 56, 14, 20, 18, 60,
- 20, 8, 27, 16, 11, 12, 13, 60, 15, 47,
- 17, 18, 19, 20, 21, 55, 56, 55, 56, 7,
- 8, 9, 16, 113, 16, 115, 59, 59, 47, 20,
- 73, 74, 75, 76, 77, 78, 79, 80, 81, 82,
- 83, 84, 85, 86, 87, 88, 89, 90, 91, 92,
- 93, 94, 95, 60, 110, 47, 7, 8, 9, 47,
- 7, 8, 9, 55, 56, 27, 27, 47, 111, 18,
- 100, 20, 21, 16, 20, 55, 56, 120, 20, 16,
- 98, 99, 8, 59, 102, 11, 12, 13, 60, 15,
- 60, 17, 18, 19, 20, 21, 47, 47, 60, 60,
- 47, 60, 145, 47, 147, 0, 117, 150, 8, 0,
- 153, 55, 56, 7, 8, 9, 60, 56, 18, 19,
- 20, 56, 117, 15, 167, -1, 182, 182, -1, -1,
- 186, 186, -1, -1, 177, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
- 18, 19, 20, 21, 22, 23, 24, -1, 26, 42,
- 43, 44, 45, 46, 47, 48, 49, 35, 51, 52,
- 53, 54, 55, 56, -1, 8, -1, -1, 46, 47,
- -1, -1, -1, 51, 52, 18, 19, 20, 56, 57,
- 58, -1, -1, 61, 3, 4, 5, 6, 7, 8,
- 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
- 19, 20, 21, 22, 23, 24, -1, 26, -1, -1,
- 44, 45, 46, 47, 48, 49, 35, 51, 52, 53,
- 54, 55, 56, -1, -1, -1, -1, 46, 47, -1,
- -1, -1, 51, 52, -1, -1, -1, 56, 57, 58,
- -1, -1, 61, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
- 20, 21, 22, 23, 24, -1, 26, 33, 34, 35,
- 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
- 46, 47, 48, 49, -1, 51, 52, 53, 54, 55,
- 56, 51, 52, -1, -1, -1, 56, 57, 58, 25,
- -1, 61, -1, 29, 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
- 46, 47, 48, 49, -1, 51, 52, 53, 54, 55,
- 56, -1, -1, -1, 25, -1, -1, 63, 29, 30,
- 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
- 41, 42, 43, 44, 45, 46, 47, 48, 49, -1,
- 51, 52, 53, 54, 55, 56, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
- 44, 45, 46, 47, 48, 49, -1, 51, 52, 53,
- 54, 55, 56, 32, 33, 34, 35, 36, 37, 38,
- 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
- 49, -1, 51, 52, 53, 54, 55, 56, 34, 35,
- 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
- 46, 47, 48, 49, -1, 51, 52, 53, 54, 55,
- 56, 35, 36, 37, 38, 39, 40, 41, 42, 43,
- 44, 45, 46, 47, 48, 49, -1, 51, 52, 53,
- 54, 55, 56, 36, 37, 38, 39, 40, 41, 42,
- 43, 44, 45, 46, 47, 48, 49, -1, 51, 52,
- 53, 54, 55, 56, 38, 39, 40, 41, 42, 43,
- 44, 45, 46, 47, 48, 49, -1, 51, 52, 53,
- 54, 55, 56, 45, 46, 47, 48, 49, -1, 51,
- 52, 53, 54, 55, 56, 47, 48, 49, -1, 51,
- 52, 53, 54, 55, 56, 51, 52, 53, 54, 55,
- 56
- };
- /* -*-C-*- Note some compilers choke on comments on `#line' lines. */
- #line 3 "/gnu/lib/bison.simple"
-
- /* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 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. */
-
-
- #ifndef alloca
- #ifdef __GNUC__
- #define alloca __builtin_alloca
- #else /* not GNU C. */
- #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
- #include <alloca.h>
- #else /* not sparc */
- #if defined (MSDOS) && !defined (__TURBOC__)
- #include <malloc.h>
- #else /* not MSDOS, or __TURBOC__ */
- #if defined(_AIX)
- #include <malloc.h>
- #pragma alloca
- #else /* not MSDOS, __TURBOC__, or _AIX */
- #ifdef __hpux
- #ifdef __cplusplus
- extern "C" {
- void *alloca (unsigned int);
- };
- #else /* not __cplusplus */
- void *alloca ();
- #endif /* not __cplusplus */
- #endif /* __hpux */
- #endif /* not _AIX */
- #endif /* not MSDOS, or __TURBOC__ */
- #endif /* not sparc. */
- #endif /* not GNU C. */
- #endif /* alloca not defined. */
-
- /* 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 YYACCEPT return(0)
- #define YYABORT return(1)
- #define YYERROR goto yyerrlab1
- /* Like YYERROR except do call yyerror.
- This remains here temporarily to ease the
- transition to the new meaning of YYERROR, for GCC.
- Once GCC version 2 has supplanted version 1, this can go. */
- #define YYFAIL goto yyerrlab
- #define YYRECOVERING() (!!yyerrstatus)
- #define YYBACKUP(token, value) \
- do \
- if (yychar == YYEMPTY && yylen == 1) \
- { yychar = (token), yylval = (value); \
- yychar1 = YYTRANSLATE (yychar); \
- YYPOPSTACK; \
- goto yybackup; \
- } \
- else \
- { yyerror ("syntax error: cannot back up"); YYERROR; } \
- while (0)
-
- #define YYTERROR 1
- #define YYERRCODE 256
-
- #ifndef YYPURE
- #define YYLEX yylex()
- #endif
-
- #ifdef YYPURE
- #ifdef YYLSP_NEEDED
- #define YYLEX yylex(&yylval, &yylloc)
- #else
- #define YYLEX yylex(&yylval)
- #endif
- #endif
-
- /* If nonreentrant, generate the variables here */
-
- #ifndef YYPURE
-
- int yychar; /* the lookahead symbol */
- YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
-
- #ifdef YYLSP_NEEDED
- YYLTYPE yylloc; /* location data for the lookahead */
- /* symbol */
- #endif
-
- int yynerrs; /* number of parse errors so far */
- #endif /* not YYPURE */
-
- #if YYDEBUG != 0
- int yydebug; /* nonzero means print parse trace */
- /* Since this is uninitialized, it does not stop multiple parsers
- from coexisting. */
- #endif
-
- /* YYINITDEPTH indicates the initial size of the parser's stacks */
-
- #ifndef YYINITDEPTH
- #define YYINITDEPTH 200
- #endif
-
- /* YYMAXDEPTH is the maximum size the stacks can grow to
- (effective only if the built-in stack extension method is used). */
-
- #if YYMAXDEPTH == 0
- #undef YYMAXDEPTH
- #endif
-
- #ifndef YYMAXDEPTH
- #define YYMAXDEPTH 10000
- #endif
-
- /* Prevent warning if -Wstrict-prototypes. */
- #ifdef __GNUC__
- int yyparse (void);
- #endif
-
- #if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
- #define __yy_bcopy(FROM,TO,COUNT) __builtin_memcpy(TO,FROM,COUNT)
- #else /* not GNU C or C++ */
- #ifndef __cplusplus
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- __yy_bcopy (from, to, count)
- char *from;
- char *to;
- int count;
- {
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #else /* __cplusplus */
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- __yy_bcopy (char *from, char *to, int count)
- {
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #endif
- #endif
-
- #line 184 "/gnu/lib/bison.simple"
- int
- yyparse()
- {
- register int yystate;
- register int yyn;
- register short *yyssp;
- register YYSTYPE *yyvsp;
- int yyerrstatus; /* number of tokens to shift before error messages enabled */
- int yychar1 = 0; /* lookahead token as an internal (translated) token number */
-
- short yyssa[YYINITDEPTH]; /* the state stack */
- YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
-
- short *yyss = yyssa; /* refer to the stacks thru separate pointers */
- YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
-
- #ifdef YYLSP_NEEDED
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
-
- #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
- #else
- #define YYPOPSTACK (yyvsp--, yyssp--)
- #endif
-
- int yystacksize = YYINITDEPTH;
-
- #ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
- #ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
- #endif
- #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.
- The wasted elements are never initialized. */
-
- yyssp = yyss - 1;
- yyvsp = yyvs;
- #ifdef YYLSP_NEEDED
- yylsp = yyls;
- #endif
-
- /* 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 + yystacksize - 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;
- short *yyss1 = yyss;
- #ifdef YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
- #endif
-
- /* 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. */
- #ifdef YYLSP_NEEDED
- /* This used to be a conditional around just the two extra args,
- but that might be undefined if yyoverflow is a macro. */
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yyls1, size * sizeof (*yylsp),
- &yystacksize);
- #else
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yystacksize);
- #endif
-
- yyss = yyss1; yyvs = yyvs1;
- #ifdef YYLSP_NEEDED
- yyls = yyls1;
- #endif
- #else /* no yyoverflow */
- /* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
- {
- yyerror("parser stack overflow");
- return 2;
- }
- yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
- yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
- __yy_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
- yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
- __yy_bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
- #ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
- __yy_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", yystacksize);
- #endif
-
- if (yyssp >= yyss + yystacksize - 1)
- YYABORT;
- }
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
- #endif
-
- goto yybackup;
- yybackup:
-
- /* 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", yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise meaning
- of a token, for further debugging info. */
- #ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
- #endif
- fprintf (stderr, ")\n");
- }
- #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];
- if (yylen > 0)
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- int i;
-
- fprintf (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
-
- /* Print the symbols being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
- fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
- #endif
-
-
- switch (yyn) {
-
- case 3:
- #line 200 "expread.y"
- { write_exp_elt_opcode (BINOP_COMMA); ;
- break;}
- case 4:
- #line 205 "expread.y"
- { write_exp_elt_opcode (UNOP_IND); ;
- break;}
- case 5:
- #line 208 "expread.y"
- { write_exp_elt_opcode (UNOP_ADDR); ;
- break;}
- case 6:
- #line 211 "expread.y"
- { write_exp_elt_opcode (UNOP_NEG); ;
- break;}
- case 7:
- #line 215 "expread.y"
- { write_exp_elt_opcode (UNOP_ZEROP); ;
- break;}
- case 8:
- #line 219 "expread.y"
- { write_exp_elt_opcode (UNOP_LOGNOT); ;
- break;}
- case 9:
- #line 223 "expread.y"
- { write_exp_elt_opcode (UNOP_PREINCREMENT); ;
- break;}
- case 10:
- #line 227 "expread.y"
- { write_exp_elt_opcode (UNOP_PREDECREMENT); ;
- break;}
- case 11:
- #line 231 "expread.y"
- { write_exp_elt_opcode (UNOP_POSTINCREMENT); ;
- break;}
- case 12:
- #line 235 "expread.y"
- { write_exp_elt_opcode (UNOP_POSTDECREMENT); ;
- break;}
- case 13:
- #line 239 "expread.y"
- { write_exp_elt_opcode (UNOP_SIZEOF); ;
- break;}
- case 14:
- #line 243 "expread.y"
- { write_exp_elt_opcode (STRUCTOP_PTR);
- write_exp_string (yyvsp[0].sval);
- write_exp_elt_opcode (STRUCTOP_PTR); ;
- break;}
- case 15:
- #line 249 "expread.y"
- { write_exp_elt_opcode (STRUCTOP_MPTR); ;
- break;}
- case 16:
- #line 253 "expread.y"
- { write_exp_elt_opcode (STRUCTOP_STRUCT);
- write_exp_string (yyvsp[0].sval);
- write_exp_elt_opcode (STRUCTOP_STRUCT); ;
- break;}
- case 17:
- #line 259 "expread.y"
- { write_exp_elt_opcode (STRUCTOP_MEMBER); ;
- break;}
- case 18:
- #line 263 "expread.y"
- { write_exp_elt_opcode (BINOP_SUBSCRIPT); ;
- break;}
- case 19:
- #line 269 "expread.y"
- { start_arglist (); ;
- break;}
- case 20:
- #line 271 "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 280 "expread.y"
- { arglist_len = 1; ;
- break;}
- case 23:
- #line 284 "expread.y"
- { arglist_len++; ;
- break;}
- case 24:
- #line 288 "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 294 "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 300 "expread.y"
- { ;
- break;}
- case 27:
- #line 306 "expread.y"
- { write_exp_elt_opcode (BINOP_REPEAT); ;
- break;}
- case 28:
- #line 310 "expread.y"
- { write_exp_elt_opcode (BINOP_MUL); ;
- break;}
- case 29:
- #line 314 "expread.y"
- { write_exp_elt_opcode (BINOP_DIV); ;
- break;}
- case 30:
- #line 318 "expread.y"
- { write_exp_elt_opcode (BINOP_REM); ;
- break;}
- case 31:
- #line 322 "expread.y"
- { write_exp_elt_opcode (BINOP_ADD); ;
- break;}
- case 32:
- #line 326 "expread.y"
- { write_exp_elt_opcode (BINOP_SUB); ;
- break;}
- case 33:
- #line 330 "expread.y"
- { write_exp_elt_opcode (BINOP_LSH); ;
- break;}
- case 34:
- #line 334 "expread.y"
- { write_exp_elt_opcode (BINOP_RSH); ;
- break;}
- case 35:
- #line 338 "expread.y"
- { write_exp_elt_opcode (BINOP_EQUAL); ;
- break;}
- case 36:
- #line 342 "expread.y"
- { write_exp_elt_opcode (BINOP_NOTEQUAL); ;
- break;}
- case 37:
- #line 346 "expread.y"
- { write_exp_elt_opcode (BINOP_LEQ); ;
- break;}
- case 38:
- #line 350 "expread.y"
- { write_exp_elt_opcode (BINOP_GEQ); ;
- break;}
- case 39:
- #line 354 "expread.y"
- { write_exp_elt_opcode (BINOP_LESS); ;
- break;}
- case 40:
- #line 358 "expread.y"
- { write_exp_elt_opcode (BINOP_GTR); ;
- break;}
- case 41:
- #line 362 "expread.y"
- { write_exp_elt_opcode (BINOP_LOGAND); ;
- break;}
- case 42:
- #line 366 "expread.y"
- { write_exp_elt_opcode (BINOP_LOGXOR); ;
- break;}
- case 43:
- #line 370 "expread.y"
- { write_exp_elt_opcode (BINOP_LOGIOR); ;
- break;}
- case 44:
- #line 374 "expread.y"
- { write_exp_elt_opcode (BINOP_AND); ;
- break;}
- case 45:
- #line 378 "expread.y"
- { write_exp_elt_opcode (BINOP_OR); ;
- break;}
- case 46:
- #line 382 "expread.y"
- { write_exp_elt_opcode (TERNOP_COND); ;
- break;}
- case 47:
- #line 386 "expread.y"
- { write_exp_elt_opcode (BINOP_ASSIGN); ;
- break;}
- case 48:
- #line 390 "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 396 "expread.y"
- { write_exp_elt_opcode (OP_LONG);
- #ifdef atarist
- if (gcc_mshort && (yyvsp[0].lval == (short) yyvsp[0].lval
- || yyvsp[0].lval == (unsigned short) yyvsp[0].lval))
- write_exp_elt_type (builtin_type_short);
- else
- #endif
- if (yyvsp[0].lval == (int) yyvsp[0].lval || yyvsp[0].lval == (unsigned int) yyvsp[0].lval)
- write_exp_elt_type (builtin_type_int);
- #ifdef LONG_LONG
- else if (yyvsp[0].lval == (long) yyvsp[0].lval || yyvsp[0].lval == (unsigned long) yyvsp[0].lval)
- write_exp_elt_type (builtin_type_long);
- #endif
- 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 416 "expread.y"
- {
- write_exp_elt_opcode (OP_LONG);
- #ifdef atarist
- if (gcc_mshort && yyvsp[0].ulval == (unsigned short) yyvsp[0].ulval)
- write_exp_elt_type (builtin_type_unsigned_short);
- else
- #endif
- if (yyvsp[0].ulval == (unsigned int) yyvsp[0].ulval)
- write_exp_elt_type (builtin_type_unsigned_int);
- #ifdef LONG_LONG
- else if (yyvsp[0].ulval == (unsigned long) yyvsp[0].ulval)
- write_exp_elt_type (builtin_type_unsigned_long);
- #endif
- 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 51:
- #line 437 "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 52:
- #line 444 "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 54:
- #line 454 "expread.y"
- { write_exp_elt_opcode (OP_LAST);
- write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
- write_exp_elt_opcode (OP_LAST); ;
- break;}
- case 55:
- #line 460 "expread.y"
- { write_exp_elt_opcode (OP_REGISTER);
- write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
- write_exp_elt_opcode (OP_REGISTER); ;
- break;}
- case 56:
- #line 466 "expread.y"
- { write_exp_elt_opcode (OP_INTERNALVAR);
- write_exp_elt_intern (yyvsp[0].ivar);
- write_exp_elt_opcode (OP_INTERNALVAR); ;
- break;}
- case 57:
- #line 472 "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 58:
- #line 479 "expread.y"
- { write_exp_elt_opcode (OP_STRING);
- write_exp_string (yyvsp[0].sval);
- write_exp_elt_opcode (OP_STRING); ;
- break;}
- case 59:
- #line 486 "expread.y"
- { write_exp_elt_opcode (OP_THIS);
- write_exp_elt_opcode (OP_THIS); ;
- break;}
- case 60:
- #line 493 "expread.y"
- {
- struct symtab *tem = lookup_symtab (copy_name (yyvsp[0].sval));
- struct symbol *sym;
-
- if (tem)
- yyval.bval = BLOCKVECTOR_BLOCK (BLOCKVECTOR (tem), 1);
- else
- {
- sym = lookup_symbol (copy_name (yyvsp[0].sval),
- expression_context_block,
- VAR_NAMESPACE, 0);
- if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
- yyval.bval = SYMBOL_BLOCK_VALUE (sym);
- else
- error ("No file or function \"%s\".",
- copy_name (yyvsp[0].sval));
- }
- ;
- break;}
- case 61:
- #line 514 "expread.y"
- { struct symbol *tem
- = lookup_symbol (copy_name (yyvsp[0].sval), yyvsp[-2].bval, VAR_NAMESPACE, 0);
- 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 62:
- #line 523 "expread.y"
- { struct symbol *sym;
- sym = lookup_symbol (copy_name (yyvsp[0].sval), yyvsp[-2].bval, VAR_NAMESPACE, 0);
- 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 63:
- #line 534 "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 64:
- #line 547 "expread.y"
- {
- char *name = copy_name (yyvsp[0].sval);
- struct symbol *sym;
- int i;
-
- sym = lookup_symbol (name, 0, VAR_NAMESPACE, 0);
- 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 =
- (enum misc_function_type)
- 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 \"symbol-file\" command.");
- else
- error ("No symbol \"%s\" in current context.", name);
- ;
- break;}
- case 65:
- #line 593 "expread.y"
- { struct symbol *sym;
- int is_a_field_of_this;
-
- sym = lookup_symbol (copy_name (yyvsp[0].sval),
- expression_context_block,
- VAR_NAMESPACE,
- &is_a_field_of_this);
- if (sym)
- {
- switch (sym->class)
- {
- case LOC_REGISTER:
- case LOC_ARG:
- case LOC_LOCAL:
- 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 (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].sval);
- write_exp_elt_opcode (STRUCTOP_PTR);
- }
- else
- {
- register int i;
- register char *arg = copy_name (yyvsp[0].sval);
-
- 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 =
- (enum misc_function_type)
- 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 \"symbol-file\" command.");
- else
- error ("No symbol \"%s\" in current context.",
- copy_name (yyvsp[0].sval));
- }
- ;
- break;}
- case 67:
- #line 671 "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 68:
- #line 706 "expread.y"
- { push_type (tp_pointer); yyval.voidval = 0; ;
- break;}
- case 69:
- #line 708 "expread.y"
- { push_type (tp_pointer); yyval.voidval = yyvsp[0].voidval; ;
- break;}
- case 71:
- #line 713 "expread.y"
- { yyval.voidval = yyvsp[-1].voidval; ;
- break;}
- case 72:
- #line 715 "expread.y"
- {
- push_type ((enum type_pieces) yyvsp[0].lval);
- push_type (tp_array);
- ;
- break;}
- case 73:
- #line 720 "expread.y"
- {
- push_type ((enum type_pieces) yyvsp[0].lval);
- push_type (tp_array);
- yyval.voidval = 0;
- ;
- break;}
- case 74:
- #line 726 "expread.y"
- { push_type (tp_function); ;
- break;}
- case 75:
- #line 728 "expread.y"
- { push_type (tp_function); ;
- break;}
- case 76:
- #line 732 "expread.y"
- { yyval.lval = -1; ;
- break;}
- case 77:
- #line 734 "expread.y"
- { yyval.lval = yyvsp[-1].lval; ;
- break;}
- case 78:
- #line 738 "expread.y"
- { yyval.voidval = 0; ;
- break;}
- case 80:
- #line 743 "expread.y"
- { yyval.tval = lookup_member_type (builtin_type_int, yyvsp[-2].tval); ;
- break;}
- case 81:
- #line 745 "expread.y"
- { yyval.tval = lookup_member_type (yyvsp[-5].tval, yyvsp[-3].tval); ;
- break;}
- case 82:
- #line 747 "expread.y"
- { yyval.tval = lookup_member_type
- (lookup_function_type (yyvsp[-7].tval), yyvsp[-5].tval); ;
- break;}
- case 83:
- #line 750 "expread.y"
- { yyval.tval = lookup_member_type
- (lookup_function_type (yyvsp[-8].tval), yyvsp[-6].tval);
- free (yyvsp[-1].tvec); ;
- break;}
- case 84:
- #line 757 "expread.y"
- { yyval.tval = lookup_typename (copy_name (yyvsp[0].sval),
- expression_context_block, 0); ;
- break;}
- case 85:
- #line 760 "expread.y"
- { yyval.tval = builtin_type_int; ;
- break;}
- case 86:
- #line 762 "expread.y"
- { yyval.tval = builtin_type_long; ;
- break;}
- case 87:
- #line 764 "expread.y"
- {
- #ifdef LONG_LONG
- yyval.tval = builtin_type_long_long;
- #else
- yyval.tval = lookup_typename ("long long",
- expression_context_block, 0);
- #endif
- ;
- break;}
- case 88:
- #line 773 "expread.y"
- { yyval.tval = builtin_type_short; ;
- break;}
- case 89:
- #line 775 "expread.y"
- { yyval.tval = builtin_type_long; ;
- break;}
- case 90:
- #line 777 "expread.y"
- {
- #ifdef LONG_LONG
- yyval.tval = builtin_type_long_long;
- #else
- yyval.tval = lookup_typename ("long long int",
- expression_context_block, 0);
- #endif
- ;
- break;}
- case 91:
- #line 786 "expread.y"
- { yyval.tval = builtin_type_unsigned_long; ;
- break;}
- case 92:
- #line 788 "expread.y"
- {
- #ifdef LONG_LONG
- yyval.tval = builtin_type_unsigned_long_long;
- #else
- yyval.tval = lookup_typename ("unsigned long long int",
- expression_context_block, 0);
- #endif
- ;
- break;}
- case 93:
- #line 797 "expread.y"
- { yyval.tval = builtin_type_short; ;
- break;}
- case 94:
- #line 799 "expread.y"
- { yyval.tval = builtin_type_unsigned_short; ;
- break;}
- case 95:
- #line 801 "expread.y"
- { yyval.tval = builtin_type_double; ;
- break;}
- case 96:
- #line 803 "expread.y"
- {
- #ifdef LONG_DOUBLE
- yyval.tval = builtin_type_long_double;
- #else
- yyval.tval = lookup_typename ("long double",
- expression_context_block, 0);
- #endif
- ;
- break;}
- case 97:
- #line 812 "expread.y"
- { yyval.tval = lookup_struct (copy_name (yyvsp[0].sval),
- expression_context_block); ;
- break;}
- case 98:
- #line 815 "expread.y"
- { yyval.tval = lookup_union (copy_name (yyvsp[0].sval),
- expression_context_block); ;
- break;}
- case 99:
- #line 818 "expread.y"
- { yyval.tval = lookup_enum (copy_name (yyvsp[0].sval),
- expression_context_block); ;
- break;}
- case 100:
- #line 821 "expread.y"
- { yyval.tval = lookup_unsigned_typename (copy_name (yyvsp[0].sval)); ;
- break;}
- case 101:
- #line 823 "expread.y"
- { yyval.tval = builtin_type_unsigned_int; ;
- break;}
- case 102:
- #line 825 "expread.y"
- { yyval.tval = lookup_typename (copy_name (yyvsp[0].sval),
- expression_context_block, 0); ;
- break;}
- case 103:
- #line 828 "expread.y"
- { yyval.tval = builtin_type_int; ;
- break;}
- case 105:
- #line 833 "expread.y"
- {
- yyval.sval.ptr = "int";
- yyval.sval.length = 3;
- ;
- break;}
- case 106:
- #line 838 "expread.y"
- {
- yyval.sval.ptr = "long";
- yyval.sval.length = 4;
- ;
- break;}
- case 107:
- #line 843 "expread.y"
- {
- yyval.sval.ptr = "short";
- yyval.sval.length = 5;
- ;
- break;}
- case 108:
- #line 851 "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 109:
- #line 856 "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;}
- }
- /* the action file gets copied in in place of this dollarsign */
- #line 465 "/gnu/lib/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;
-
- #ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- int size = 0;
- char *msg;
- int x, count;
-
- count = 0;
- /* Start X at -yyn if nec to avoid negative indexes in yycheck. */
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) malloc(size + 15);
- if (msg != 0)
- {
- strcpy(msg, "parse error");
-
- if (count < 5)
- {
- count = 0;
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- {
- strcat(msg, count == 0 ? ", expecting `" : " or `");
- strcat(msg, yytname[x]);
- strcat(msg, "'");
- count++;
- }
- }
- yyerror(msg);
- free(msg);
- }
- else
- yyerror ("parse error; also virtual memory exceeded");
- }
- else
- #endif /* YYERROR_VERBOSE */
- yyerror("parse error");
- }
-
- goto yyerrlab1;
- yyerrlab1: /* here on error raised explicitly by an action */
-
- 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 871 "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 (olen)
- int olen;
- {
- register char *p = lexptr;
- register LONGEST n = 0;
- register int c;
- register int base = 10;
- register int len = olen;
- char *err_copy;
- int unsigned_p = 0;
-
- extern double atof ();
-
- for (c = 0; c < len; c++)
- if (p[c] == '.')
- {
- /* It's a float since it contains a point. */
- yylval.dval = atof (p);
- lexptr += len;
- return FLOAT;
- }
-
- if (len >= 3 && (!strncmp (p, "0x", 2) || !strncmp (p, "0X", 2)))
- {
- p += 2;
- base = 16;
- len -= 2;
- }
- else if (*p == '0')
- base = 8;
-
- 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 += c - '0';
- else
- {
- if (base == 16 && c >= 'a' && c <= 'f')
- n += c - 'a' + 10;
- else if (len == 0 && c == 'l')
- ;
- else if (len == 0 && c == 'u')
- unsigned_p = 1;
- else if (base == 10 && len != 0 && (c == 'e' || c == 'E'))
- {
- /* Scientific notation, where we are unlucky enough not
- to have a '.' in the string. */
- yylval.dval = atof (lexptr);
- lexptr += olen;
- return FLOAT;
- }
- else
- {
- err_copy = (char *) alloca (olen + 1);
- bcopy (lexptr, err_copy, olen);
- err_copy[olen] = 0;
- error ("Invalid number \"%s\".", err_copy);
- }
- }
- }
-
- lexptr = p;
- if (unsigned_p)
- {
- yylval.ulval = n;
- return UINT;
- }
- else
- {
- yylval.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 int 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')
- break; /* Falls into number code. */
-
- case '+':
- case '-':
- case '*':
- case '/':
- case '%':
- case '|':
- case '&':
- case '^':
- case '~':
- case '!':
- case '@':
- case '<':
- case '>':
- case '[':
- case ']':
- case '?':
- case ':':
- case '=':
- case '{':
- case '}':
- 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;
- }
-
- /* Is it a number? */
- /* Note: We have already dealt with the case of the token '.'.
- See case '.' above. */
- if ((c >= '0' && c <= '9') || c == '.')
- {
- /* It's a number. */
- int got_dot = 0, got_e = 0;
- register char *p = tokstart;
- int hex = c == '0' && (p[1] == 'x' || p[1] == 'X');
- if (hex)
- p += 2;
- 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;
- else if (*p < '0' || *p > '9'
- && (!hex || ((*p < 'a' || *p > 'f')
- && (*p < 'A' || *p > 'F'))))
- break;
- }
- return parse_number (p - tokstart);
- }
-
- 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 == '$') {
- for (c = 0; c < NUM_REGS; c++)
- if (namelen - 1 == strlen (reg_names[c])
- && !strncmp (tokstart + 1, reg_names[c], namelen - 1))
- {
- yylval.lval = c;
- return REGNAME;
- }
- for (c = 0; c < NUM_STD_REGS; c++)
- if (namelen - 1 == strlen (std_regs[c].name)
- && !strncmp (tokstart + 1, std_regs[c].name, namelen - 1))
- {
- yylval.lval = std_regs[c].regnum;
- return REGNAME;
- }
- }
- /* Catch specific keywords. Should be done with a data structure. */
- switch (namelen)
- {
- case 8:
- if (!strncmp (tokstart, "unsigned", 8))
- return UNSIGNED;
- break;
- case 6:
- if (!strncmp (tokstart, "struct", 6))
- return STRUCT;
- if (!strncmp (tokstart, "signed", 6))
- return SIGNED;
- if (!strncmp (tokstart, "sizeof", 6))
- return SIZEOF;
- if (!strncmp (tokstart, "double", 6))
- return DOUBLE;
- break;
- case 5:
- if (!strncmp (tokstart, "union", 5))
- return UNION;
- if (!strncmp (tokstart, "short", 5))
- return SHORT;
- break;
- case 4:
- if (!strncmp (tokstart, "enum", 4))
- return ENUM;
- if (!strncmp (tokstart, "long", 4))
- return LONG;
- if (!strncmp (tokstart, "this", 4)
- && lookup_symbol ("$this", expression_context_block,
- VAR_NAMESPACE, 0))
- 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 = (struct internalvar *) 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;
-
- if (lookup_partial_symtab (tmp))
- return BLOCKNAME;
- sym = lookup_symbol (tmp, expression_context_block,
- VAR_NAMESPACE, 0);
- if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
- return BLOCKNAME;
- if (lookup_typename (copy_name (yylval.sval), expression_context_block, 1))
- return TYPENAME;
- return NAME;
- }
- }
-
- static void
- yyerror ()
- {
- 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;
- {
- 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 ();
- 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));
- }
-