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authorPer Bothner <per@bothner.com>1995-10-05 22:15:49 +0000
committerPer Bothner <per@bothner.com>1995-10-05 22:15:49 +0000
commitc700638ca7c1c0d0dd2fac7983b2d59ca7217099 (patch)
tree26f626fff3ab5bc27552c5492ee56a42666f3f9c /gdb/f-exp.y
parentdb552bdadca2fda93c84cfa89dd41b49ee9e9193 (diff)
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* parse.c (write_dollar_variable): New function.
* c-exp.y (yylex): Replace code for recognizing '$' pseudo-variables with a call to write_dollar_variable. Simplify grammar correspondingly. * f-exp.y: Likewise. * m2-exp.y: Likewise. * ch-exp.y: Likewise. (Remove function match_dollar_tokens.) * scm-exp.c (scm_lreadr): Call write_dollar_variable to handle '$'.
Diffstat (limited to 'gdb/f-exp.y')
-rw-r--r--gdb/f-exp.y77
1 files changed, 3 insertions, 74 deletions
diff --git a/gdb/f-exp.y b/gdb/f-exp.y
index 4dd238c..ee97015 100644
--- a/gdb/f-exp.y
+++ b/gdb/f-exp.y
@@ -186,9 +186,9 @@ static int parse_number PARAMS ((char *, int, int, YYSTYPE *));
%token LOGICAL_KEYWORD REAL_KEYWORD REAL_S8_KEYWORD REAL_S16_KEYWORD
%token COMPLEX_S8_KEYWORD COMPLEX_S16_KEYWORD COMPLEX_S32_KEYWORD
%token BOOL_AND BOOL_OR BOOL_NOT
-%token <lval> LAST REGNAME CHARACTER
+%token <lval> CHARACTER
-%token <ivar> VARIABLE
+%token <voidval> VARIABLE
%token <opcode> ASSIGN_MODIFY
@@ -412,22 +412,7 @@ exp : FLOAT
exp : variable
;
-exp : LAST
- { write_exp_elt_opcode (OP_LAST);
- write_exp_elt_longcst ((LONGEST) $1);
- write_exp_elt_opcode (OP_LAST); }
- ;
-
-exp : REGNAME
- { write_exp_elt_opcode (OP_REGISTER);
- write_exp_elt_longcst ((LONGEST) $1);
- write_exp_elt_opcode (OP_REGISTER); }
- ;
-
exp : VARIABLE
- { write_exp_elt_opcode (OP_INTERNALVAR);
- write_exp_elt_intern ($1);
- write_exp_elt_opcode (OP_INTERNALVAR); }
;
exp : SIZEOF '(' type ')' %prec UNARY
@@ -1110,60 +1095,6 @@ yylex ()
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])
- && STREQN (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)
- && STREQN (tokstart + 1, std_regs[c].name, namelen - 1))
- {
- yylval.lval = std_regs[c].regnum;
- return REGNAME;
- }
- }
/* Catch specific keywords. */
for (i = 0; f77_keywords[i].operator != NULL; i++)
@@ -1178,11 +1109,9 @@ yylex ()
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);
+ write_dollar_variable (yylval.sval);
return VARIABLE;
}