diff options
Diffstat (limited to 'contrib/gdb/gdb/parser-defs.h')
| -rw-r--r-- | contrib/gdb/gdb/parser-defs.h | 91 |
1 files changed, 77 insertions, 14 deletions
diff --git a/contrib/gdb/gdb/parser-defs.h b/contrib/gdb/gdb/parser-defs.h index 66e929f..c84fcad 100644 --- a/contrib/gdb/gdb/parser-defs.h +++ b/contrib/gdb/gdb/parser-defs.h @@ -1,6 +1,8 @@ /* Parser definitions for GDB. - Copyright 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, - 1998, 1999, 2000 Free Software Foundation, Inc. + + Copyright 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, + 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc. + Modified from expread.y by the Department of Computer Science at the State University of New York at Buffalo. @@ -26,14 +28,7 @@ #include "doublest.h" -struct std_regs - { - char *name; - int regnum; - }; - -extern struct std_regs *std_regs; -extern unsigned num_std_regs; +struct block; extern struct expression *expout; extern int expout_size; @@ -44,6 +39,12 @@ extern int expout_ptr; extern struct block *expression_context_block; +/* If expression_context_block is non-zero, then this is the PC within + the block that we want to evaluate expressions at. When debugging + C or C++ code, we use this to find the exact line we're at, and + then look up the macro definitions active at that point. */ +extern CORE_ADDR expression_context_pc; + /* The innermost context required by the stack and register variables we've encountered so far. */ extern struct block *innermost_block; @@ -80,6 +81,14 @@ struct symtoken int is_a_field_of_this; }; +struct objc_class_str + { + struct stoken stoken; + struct type *type; + int class; + }; + + /* For parsing of complicated types. An array should be preceded in the list by the size of the array. */ enum type_pieces @@ -150,6 +159,17 @@ extern int pop_type_int (void); extern int length_of_subexp (struct expression *, int); +extern int dump_subexp (struct expression *, struct ui_file *, int); + +extern int dump_subexp_body_standard (struct expression *, + struct ui_file *, int); + +extern void operator_length (struct expression *, int, int *, int *); + +extern void operator_length_standard (struct expression *, int, int *, int *); + +extern char *op_name_standard (enum exp_opcode); + extern struct type *follow_types (struct type *); /* During parsing of a C expression, the pointer to the next character @@ -157,6 +177,10 @@ extern struct type *follow_types (struct type *); extern char *lexptr; +/* After a token has been recognized, this variable points to it. + Currently used only for error reporting. */ +extern char *prev_lexptr; + /* Tokens that refer to names do so with explicit pointer and length, so they can share the storage that lexptr is parsing. @@ -207,10 +231,49 @@ struct op_print int right_assoc; }; -/* The generic method for targets to specify how their registers are - named. The mapping can be derived from three sources: - REGISTER_NAME; std_regs; or a target specific alias hook. */ +/* Information needed to print, prefixify, and evaluate expressions for + a given language. */ + +struct exp_descriptor + { + /* Print subexpression. */ + void (*print_subexp) (struct expression *, int *, struct ui_file *, + enum precedence); + + /* Returns number of exp_elements needed to represent an operator and + the number of subexpressions it takes. */ + void (*operator_length) (struct expression*, int, int*, int *); + + /* Name of this operator for dumping purposes. */ + char *(*op_name) (enum exp_opcode); + + /* Dump the rest of this (prefix) expression after the operator + itself has been printed. See dump_subexp_body_standard in + (expprint.c). */ + int (*dump_subexp_body) (struct expression *, struct ui_file *, int); + + /* Evaluate an expression. */ + struct value *(*evaluate_exp) (struct type *, struct expression *, + int *, enum noside); + }; + + +/* Default descriptor containing standard definitions of all + elements. */ +extern const struct exp_descriptor exp_descriptor_standard; + +/* Functions used by language-specific extended operators to (recursively) + print/dump subexpressions. */ + +extern void print_subexp (struct expression *, int *, struct ui_file *, + enum precedence); + +extern void print_subexp_standard (struct expression *, int *, + struct ui_file *, enum precedence); + +/* Function used to avoid direct calls to fprintf + in the code generated by the bison parser. */ -extern int target_map_name_to_register (char *, int); +extern void parser_fprintf (FILE *, const char *, ...) ATTR_FORMAT (printf, 2 ,3); #endif /* PARSER_DEFS_H */ |
