diff options
Diffstat (limited to 'gdb/m2-lang.h')
| -rw-r--r-- | gdb/m2-lang.h | 130 |
1 files changed, 120 insertions, 10 deletions
diff --git a/gdb/m2-lang.h b/gdb/m2-lang.h index de477e5..3cf3258 100644 --- a/gdb/m2-lang.h +++ b/gdb/m2-lang.h @@ -23,23 +23,13 @@ struct type_print_options; struct parser_state; -extern int m2_parse (struct parser_state *); /* Defined in m2-exp.y */ - /* Defined in m2-typeprint.c */ extern void m2_print_type (struct type *, const char *, struct ui_file *, int, int, const struct type_print_options *); -extern void m2_print_typedef (struct type *, struct symbol *, - struct ui_file *); - extern int m2_is_long_set (struct type *type); extern int m2_is_unbounded_array (struct type *type); -/* Implement la_value_print_inner for Modula-2. */ - -extern void m2_value_print_inner (struct value *, struct ui_file *, int, - const struct value_print_options *); - extern int get_long_set_bounds (struct type *type, LONGEST *low, LONGEST *high); @@ -57,4 +47,124 @@ struct builtin_m2_type /* Return the Modula-2 type table for the specified architecture. */ extern const struct builtin_m2_type *builtin_m2_type (struct gdbarch *gdbarch); +/* Class representing the M2 language. */ + +class m2_language : public language_defn +{ +public: + m2_language () + : language_defn (language_m2) + { /* Nothing. */ } + + /* See language.h. */ + + const char *name () const override + { return "modula-2"; } + + /* See language.h. */ + + const char *natural_name () const override + { return "Modula-2"; } + + /* See language.h. */ + + void language_arch_info (struct gdbarch *gdbarch, + struct language_arch_info *lai) const override; + + /* See language.h. */ + + void print_type (struct type *type, const char *varstring, + struct ui_file *stream, int show, int level, + const struct type_print_options *flags) const override + { + m2_print_type (type, varstring, stream, show, level, flags); + } + + /* See language.h. */ + + void value_print_inner (struct value *val, struct ui_file *stream, + int recurse, + const struct value_print_options *options) const override; + + /* See language.h. */ + + int parser (struct parser_state *ps) const override; + + /* See language.h. */ + + void emitchar (int ch, struct type *chtype, + struct ui_file *stream, int quoter) const override; + + /* See language.h. */ + + void printchar (int ch, struct type *chtype, + struct ui_file *stream) const override; + + /* See language.h. */ + + void printstr (struct ui_file *stream, struct type *elttype, + const gdb_byte *string, unsigned int length, + const char *encoding, int force_ellipses, + const struct value_print_options *options) const override; + + /* See language.h. */ + + void print_typedef (struct type *type, struct symbol *new_symbol, + struct ui_file *stream) const override; + + /* See language.h. */ + + bool is_string_type_p (struct type *type) const override + { + type = check_typedef (type); + if (type->code () == TYPE_CODE_ARRAY + && TYPE_LENGTH (type) > 0 + && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) + { + struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); + + if (TYPE_LENGTH (elttype) == 1 + && (elttype->code () == TYPE_CODE_INT + || elttype->code () == TYPE_CODE_CHAR)) + return true; + } + + return false; + } + + /* See language.h. */ + + bool c_style_arrays_p () const override + { return false; } + + /* See language.h. Despite not having C-style arrays, Modula-2 uses 0 + for its string lower bounds. */ + + char string_lower_bound () const override + { return 0; } + + /* See language.h. */ + + bool range_checking_on_by_default () const override + { return true; } + + /* See language.h. */ + + const struct exp_descriptor *expression_ops () const override + { return &exp_descriptor_modula2; } + + /* See language.h. */ + + const struct op_print *opcode_print_table () const override + { return op_print_tab; } + +private: + /* Table of expression handling functions for use by EXPRESSION_OPS + member function. */ + static const struct exp_descriptor exp_descriptor_modula2; + + /* Table of opcode data for use by OPCODE_PRINT_TABLE member function. */ + static const struct op_print op_print_tab[]; +}; + #endif /* M2_LANG_H */ |