diff options
Diffstat (limited to 'gdb/c-exp.y')
| -rw-r--r-- | gdb/c-exp.y | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/gdb/c-exp.y b/gdb/c-exp.y index 98a0df3..996152d 100644 --- a/gdb/c-exp.y +++ b/gdb/c-exp.y @@ -113,6 +113,7 @@ static int type_aggregate_p (struct type *); static int parse_number (struct parser_state *par_state, const char *, int, int, YYSTYPE *); static struct stoken operator_stoken (const char *); +static struct stoken typename_stoken (const char *); static void check_parameter_typelist (VEC (type_ptr) *); static void write_destructor_name (struct parser_state *par_state, struct stoken); @@ -1645,9 +1646,21 @@ oper: OPERATOR NEW } ; - +/* This rule exists in order to allow some tokens that would not normally + match the 'name' rule to appear as fields within a struct. The example + that initially motivated this was the RISC-V target which models the + floating point registers as a union with fields called 'float' and + 'double'. The 'float' string becomes a TYPENAME token and can appear + anywhere a 'name' can, however 'double' is its own token, + DOUBLE_KEYWORD, and doesn't match the 'name' rule.*/ field_name : name + | DOUBLE_KEYWORD { $$ = typename_stoken ("double"); } + | INT_KEYWORD { $$ = typename_stoken ("int"); } + | LONG { $$ = typename_stoken ("long"); } + | SHORT { $$ = typename_stoken ("short"); } + | SIGNED_KEYWORD { $$ = typename_stoken ("signed"); } + | UNSIGNED { $$ = typename_stoken ("unsigned"); } ; name : NAME { $$ = $1.stoken; } @@ -1720,6 +1733,16 @@ operator_stoken (const char *op) return st; }; +/* Returns a stoken of the type named TYPE. */ + +static struct stoken +typename_stoken (const char *type) +{ + struct stoken st = { type, 0 }; + st.length = strlen (type); + return st; +}; + /* Return true if the type is aggregate-like. */ static int |