/* Source-language-related definitions for GDB.
- Copyright (C) 1991-2013 Free Software Foundation, Inc.
+ Copyright (C) 1991-2016 Free Software Foundation, Inc.
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
#if !defined (LANGUAGE_H)
#define LANGUAGE_H 1
+#include "symtab.h"
+
/* Forward decls for prototypes. */
struct value;
struct objfile;
struct ui_file;
struct value_print_options;
struct type_print_options;
+struct lang_varobj_ops;
+struct parser_state;
+struct compile_instance;
#define MAX_FORTRAN_DIMS 7 /* Maximum number of F77 array dims. */
expressions, regardless of whether the program being debugged
actually defines such a type. */
struct type **primitive_type_vector;
+
+ /* Symbol wrappers around primitive_type_vector, so that the symbol lookup
+ machinery can return them. */
+ struct symbol **primitive_type_symbols;
+
/* Type of elements of strings. */
struct type *string_char_type;
{
/* Name of the language. */
- char *la_name;
+ const char *la_name;
+
+ /* Natural or official name of the language. */
+
+ const char *la_natural_name;
/* its symtab language-enum (defs.h). */
/* Parser function. */
- int (*la_parser) (void);
+ int (*la_parser) (struct parser_state *);
/* Parser error function. */
void (*la_value_print) (struct value *, struct ui_file *,
const struct value_print_options *);
- /* Given a symbol VAR, and a stack frame id FRAME, read the value
- of the variable an return (pointer to a) struct value containing
- the value.
+ /* Given a symbol VAR, the corresponding block VAR_BLOCK (if any) and a
+ stack frame id FRAME, read the value of the variable and return (pointer
+ to a) struct value containing the value.
+
+ VAR_BLOCK is needed if there's a possibility for VAR to be outside
+ FRAME. This is what happens if FRAME correspond to a nested function
+ and VAR is defined in the outer function. If callers know that VAR is
+ located in FRAME or is global/static, NULL can be passed as VAR_BLOCK.
Throw an error if the variable cannot be found. */
struct value *(*la_read_var_value) (struct symbol *var,
+ const struct block *var_block,
struct frame_info *frame);
/* PC is possibly an unknown languages trampoline.
the part of symbol lookup where C looks up static and global
variables. */
- struct symbol *(*la_lookup_symbol_nonlocal) (const char *,
- const struct block *,
- const domain_enum);
+ struct block_symbol (*la_lookup_symbol_nonlocal)
+ (const struct language_defn *,
+ const char *,
+ const struct block *,
+ const domain_enum);
/* Find the definition of the type with the given name. */
struct type *(*la_lookup_transparent_type) (const char *);
symbol_found_callback_ftype *callback,
void *data);
+ /* Various operations on varobj. */
+ const struct lang_varobj_ops *la_varobj_ops;
+
+ /* If this language allows compilation from the gdb command line,
+ this method should be non-NULL. When called it should return
+ an instance of struct gcc_context appropriate to the language.
+ When defined this method must never return NULL; instead it
+ should throw an exception on failure. The returned compiler
+ instance is owned by its caller and must be deallocated by
+ calling its 'destroy' method. */
+
+ struct compile_instance *(*la_get_compile_instance) (void);
+
+ /* This method must be defined if 'la_get_gcc_context' is defined.
+ If 'la_get_gcc_context' is not defined, then this method is
+ ignored.
+
+ This takes the user-supplied text and returns a newly malloc'd
+ bit of code to compile. The caller owns the result.
+
+ INST is the compiler instance being used.
+ INPUT is the user's input text.
+ GDBARCH is the architecture to use.
+ EXPR_BLOCK is the block in which the expression is being
+ parsed.
+ EXPR_PC is the PC at which the expression is being parsed. */
+
+ char *(*la_compute_program) (struct compile_instance *inst,
+ const char *input,
+ struct gdbarch *gdbarch,
+ const struct block *expr_block,
+ CORE_ADDR expr_pc);
+
/* Add fields above this point, so the magic number is always last. */
/* Magic number for compat checking. */
struct type *language_string_char_type (const struct language_defn *l,
struct gdbarch *gdbarch);
-struct type *language_lookup_primitive_type_by_name (const struct language_defn *l,
- struct gdbarch *gdbarch,
- const char *name);
+/* Look up type NAME in language L, and return its definition for architecture
+ GDBARCH. Returns NULL if not found. */
+
+struct type *language_lookup_primitive_type (const struct language_defn *l,
+ struct gdbarch *gdbarch,
+ const char *name);
+
+/* Wrapper around language_lookup_primitive_type to return the
+ corresponding symbol. */
+
+struct symbol *
+ language_lookup_primitive_type_as_symbol (const struct language_defn *l,
+ struct gdbarch *gdbarch,
+ const char *name);
\f
/* These macros define the behaviour of the expression
extern int pointer_type (struct type *);
-/* Checks Binary and Unary operations for semantic type correctness. */
-/* FIXME: Does not appear to be used. */
-#define unop_type_check(v,o) binop_type_check((v),NULL,(o))
-
-extern void binop_type_check (struct value *, struct value *, int);
-
/* Error messages */
extern void range_error (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
extern const struct language_defn *language_def (enum language);
-extern char *language_str (enum language);
+extern const char *language_str (enum language);
/* Add a language to the set known by GDB (at initialization time). */
extern void add_language (const struct language_defn *);
-extern enum language get_frame_language (void); /* In stack.c */
-
/* Check for a language-specific trampoline. */
extern CORE_ADDR skip_language_trampoline (struct frame_info *, CORE_ADDR pc);
projects / deliverable / binutils-gdb.git / blobdiff