diff options
Diffstat (limited to 'gdb/parser-defs.h')
| -rw-r--r-- | gdb/parser-defs.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h index 16b40ac..72b9e2f 100644 --- a/gdb/parser-defs.h +++ b/gdb/parser-defs.h @@ -130,6 +130,30 @@ union type_stack_elt extern union type_stack_elt *type_stack; extern int type_stack_depth, type_stack_size; +/* Helper function to initialize the expout, expout_size, expout_ptr + trio before it is used to store expression elements created during + the parsing of an expression. INITIAL_SIZE is the initial size of + the expout array. LANG is the language used to parse the expression. + And GDBARCH is the gdbarch to use during parsing. */ + +extern void initialize_expout (int, const struct language_defn *, + struct gdbarch *); + +/* Helper function that frees any unsed space in the expout array. + It is generally used when the parser has just been parsed and + created. */ + +extern void reallocate_expout (void); + +/* Reverse an expression from suffix form (in which it is constructed) + to prefix form (in which we can conveniently print or execute it). + Ordinarily this always returns -1. However, if EXPOUT_LAST_STRUCT + is not -1 (i.e., we are trying to complete a field name), it will + return the index of the subexpression which is the left-hand-side + of the struct operation at EXPOUT_LAST_STRUCT. */ + +extern int prefixify_expression (struct expression *expr); + extern void write_exp_elt_opcode (enum exp_opcode); extern void write_exp_elt_sym (struct symbol *); |