<http://www.gnu.org/licenses/>. */
#include "obstack.h"
+#include "hashtab.h"
+/* Holds one symbol or number in the .md file. */
+struct md_name {
+ /* The name as it appeared in the .md file. Names are syntactically
+ limited to the length of this buffer. */
+ char buffer[256];
+
+ /* The name that should actually be used by the generator programs.
+ This is an expansion of NAME, after things like constant substitution. */
+ char *string;
+};
+
+/* This structure represents a constant defined by define_constant,
+ define_enum, or such-like. */
+struct md_constant {
+ /* The name of the constant. */
+ char *name;
+
+ /* The string to which the constants expands. */
+ char *value;
+
+ /* If the constant is associated with a enumeration, this field
+ points to that enumeration, otherwise it is null. */
+ struct enum_type *parent_enum;
+};
+
+/* This structure represents one value in an enum_type. */
+struct enum_value {
+ /* The next value in the enum, or null if this is the last. */
+ struct enum_value *next;
+
+ /* The name of the value as it appears in the .md file. */
+ char *name;
+
+ /* The definition of the related C value. */
+ struct md_constant *def;
+};
+
+/* This structure represents an enum defined by define_enum or the like. */
+struct enum_type {
+ /* The C name of the enumeration. */
+ char *name;
+
+ /* True if this is an md-style enum (DEFINE_ENUM) rather than
+ a C-style enum (DEFINE_C_ENUM). */
+ bool md_p;
+
+ /* The values of the enumeration. There is always at least one. */
+ struct enum_value *values;
+
+ /* A pointer to the null terminator in VALUES. */
+ struct enum_value **tail_ptr;
+
+ /* The number of enumeration values. */
+ unsigned int num_values;
+};
+
+/* A callback that handles a single .md-file directive, up to but not
+ including the closing ')'. It takes two arguments: the line number on
+ which the directive started, and the name of the directive. The next
+ unread character is the optional space after the directive name. */
+typedef void (*directive_handler_t) (int, const char *);
+
+extern const char *in_fname;
extern FILE *read_md_file;
extern int read_md_lineno;
extern const char *read_md_filename;
extern struct obstack string_obstack;
+extern void (*include_callback) (const char *);
/* Read the next character from the MD file. */
static inline int
read_char (void)
{
- return getc (read_md_file);
+ int ch;
+
+ ch = getc (read_md_file);
+ if (ch == '\n')
+ read_md_lineno++;
+ return ch;
}
/* Put back CH, which was the last character read from the MD file. */
static inline void
unread_char (int ch)
{
+ if (ch == '\n')
+ read_md_lineno--;
ungetc (ch, read_md_file);
}
+extern hashval_t leading_string_hash (const void *);
+extern int leading_string_eq_p (const void *, const void *);
extern void copy_md_ptr_loc (const void *, const void *);
extern void print_md_ptr_loc (const void *);
extern const char *join_c_conditions (const char *, const char *);
ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
extern void fatal_expected_char (int, int) ATTRIBUTE_NORETURN;
extern int read_skip_spaces (void);
+extern void read_name (struct md_name *);
extern char *read_quoted_string (void);
extern char *read_string (int);
+extern void read_skip_construct (int, int);
extern int n_comma_elts (const char *);
extern const char *scan_comma_elt (const char **);
-extern void init_md_reader (void);
+extern void upcase_string (char *);
+extern void traverse_md_constants (htab_trav, void *);
+extern void traverse_enum_types (htab_trav, void *);
+extern struct enum_type *lookup_enum_type (const char *);
+extern bool read_md_files (int, char **, bool (*) (const char *),
+ directive_handler_t);