#include "bconfig.h"
#include "system.h"
-#include "gengtype.h"
#include "errors.h" /* for fatal */
+#include "getopt.h"
#include "double-int.h"
+#include "version.h" /* for version_string & pkgversion_string. */
#include "hashtab.h"
+#include "xregex.h"
+#include "obstack.h"
+#include "gengtype.h"
/* Data types, macros, etc. used only in this file. */
-/* Kinds of types we can understand. */
-enum typekind
-{
- TYPE_SCALAR,
- TYPE_STRING,
- TYPE_STRUCT,
- TYPE_UNION,
- TYPE_POINTER,
- TYPE_ARRAY,
- TYPE_LANG_STRUCT,
- TYPE_PARAM_STRUCT
-};
-
-typedef unsigned lang_bitmap;
-/* A way to pass data through to the output end. */
-struct options
-{
- struct options *next;
- const char *name;
- const char *info;
-};
-
-/* Option data for the 'nested_ptr' option. */
-struct nested_ptr_data
-{
- type_p type;
- const char *convert_to;
- const char *convert_from;
-};
+/* The list of output files. */
+outf_p output_files;
-/* A name and a type. */
-struct pair
-{
- pair_p next;
- const char *name;
- type_p type;
- struct fileloc line;
- options_p opt;
-};
+/* The output header file that is included into pretty much every
+ source file. */
+outf_p header_file;
-#define NUM_PARAM 10
-/* A description of a type. */
-enum gc_used_enum
-{
- GC_UNUSED = 0,
- GC_USED,
- /* Used for structures whose definitions we haven't seen so far when
- we encounter a pointer to it that is annotated with ``maybe_undef''.
- If after reading in everything we don't have source file
- information for it, we assume that it never has been defined. */
- GC_MAYBE_POINTED_TO,
- GC_POINTED_TO
-};
+/* The name of the file containing the list of input files. */
+static char *inputlist;
-struct type
-{
- enum typekind kind;
- type_p next;
- type_p pointer_to;
- enum gc_used_enum gc_used;
- union
- {
- type_p p;
- struct
- {
- const char *tag;
- struct fileloc line;
- pair_p fields;
- options_p opt;
- lang_bitmap bitmap;
- type_p lang_struct;
- } s;
- bool scalar_is_char;
- struct
- {
- type_p p;
- const char *len;
- } a;
- struct
- {
- type_p stru;
- type_p param[NUM_PARAM];
- struct fileloc line;
- } param_struct;
- } u;
-};
+/* The plugin input files and their number; in that case only
+ a single file is produced. */
+static input_file **plugin_files;
+static size_t nb_plugin_files;
-#define UNION_P(x) \
- ((x)->kind == TYPE_UNION || \
- ((x)->kind == TYPE_LANG_STRUCT \
- && (x)->u.s.lang_struct->kind == TYPE_UNION))
-#define UNION_OR_STRUCT_P(x) \
- ((x)->kind == TYPE_UNION \
- || (x)->kind == TYPE_STRUCT \
- || (x)->kind == TYPE_LANG_STRUCT)
-
-/* Structure representing an output file. */
-struct outf
-{
- struct outf *next;
- const char *name;
- size_t buflength;
- size_t bufused;
- char *buf;
-};
-typedef struct outf *outf_p;
+/* The generated plugin output file and name. */
+static outf_p plugin_output;
+static char *plugin_output_filename;
-/* An output file, suitable for definitions, that can see declarations
- made in INPUT_FILE and is linked into every language that uses
- INPUT_FILE. May return NULL in plugin mode. */
-extern outf_p get_output_file_with_visibility (const char *input_file);
-const char *get_output_file_name (const char *);
+/* Our source directory and its length. */
+const char *srcdir;
+size_t srcdir_len;
-/* Print, like fprintf, to O. No-op if O is NULL. */
-static void
-oprintf (outf_p o, const char *S, ...)
- ATTRIBUTE_PRINTF_2;
+/* Variables used for reading and writing the state. */
+const char *read_state_filename;
+const char *write_state_filename;
-/* The list of output files. */
-static outf_p output_files;
+/* Variables to help debugging. */
+int do_dump;
+int do_debug;
-/* The plugin input files and their number; in that case only
- a single file is produced. */
-static char **plugin_files;
-static size_t nb_plugin_files;
-/* the generated plugin output name & file */
-static outf_p plugin_output;
+/* Level for verbose messages. */
+int verbosity_level;
-/* The output header file that is included into pretty much every
- source file. */
-static outf_p header_file;
+/* We have a type count and use it to set the state_number of newly
+ allocated types to some unique negative number. */
+static int type_count;
-/* Source directory. */
-static const char *srcdir;
+/* The backup directory should be in the same file system as the
+ generated files, otherwise the rename(2) system call would fail.
+ If NULL, no backup is made when overwriting a generated file. */
+static const char* backup_dir; /* (-B) program option. */
-/* Length of srcdir name. */
-static size_t srcdir_len = 0;
static outf_p create_file (const char *, const char *);
-static const char *get_file_basename (const char *);
-static const char *get_file_realbasename (const char *);
-static const char *get_file_srcdir_relative_path (const char *);
+static const char *get_file_basename (const input_file *);
+static const char *get_file_realbasename (const input_file *);
static int get_prefix_langdir_index (const char *);
-static const char *get_file_langdir (const char *);
+static const char *get_file_langdir (const input_file *);
\f
/* Nonzero iff an error has occurred. */
{
va_list ap;
+ gcc_assert (pos != NULL && pos->file != NULL);
va_start (ap, msg);
- fprintf (stderr, "%s:%d: ", pos->file, pos->line);
+ fprintf (stderr, "%s:%d: ", get_input_file_name (pos->file), pos->line);
vfprintf (stderr, msg, ap);
fputc ('\n', stderr);
hit_error = true;
/* Input file handling. */
/* Table of all input files. */
-static const char **gt_files;
-static size_t num_gt_files;
+const input_file **gt_files;
+size_t num_gt_files;
-/* A number of places use the name of this file for a location for
- things that we can't rely on the source to define. Make sure we
- can still use pointer comparison on filenames. */
-static const char this_file[] = __FILE__;
+/* A number of places use the name of this "gengtype.c" file for a
+ location for things that we can't rely on the source to define.
+ Make sure we can still use pointer comparison on filenames. */
+input_file* this_file;
+/* The "system.h" file is likewise specially useful. */
+input_file* system_h_file;
/* Vector of per-language directories. */
-static const char **lang_dir_names;
-static size_t num_lang_dirs;
+const char **lang_dir_names;
+size_t num_lang_dirs;
/* An array of output files suitable for definitions. There is one
BASE_FILES entry for each language. */
static outf_p *base_files;
-/* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff
- INPUT_FILE is used by <lang>.
- This function should be written to assume that a file _is_ used
- if the situation is unclear. If it wrongly assumes a file _is_ used,
- a linker error will result. If it wrongly assumes a file _is not_ used,
- some GC roots may be missed, which is a much harder-to-debug problem.
- The relevant bitmap is stored immediately before the file's name in the
- buffer set up by read_input_list. It may be unaligned, so we have to
- read it byte-by-byte. */
-
-static lang_bitmap
-get_lang_bitmap (const char *gtfile)
-{
-
- if (gtfile == this_file)
- /* Things defined in this file are universal. */
- return (((lang_bitmap) 1) << num_lang_dirs) - 1;
- else
- {
- lang_bitmap n = 0;
- int i;
- for (i = -(int) sizeof (lang_bitmap); i < 0; i++)
- n = (n << CHAR_BIT) + (unsigned char) gtfile[i];
- return n;
- }
-}
-
-/* Set the bitmap returned by get_lang_bitmap. The only legitimate
- caller of this function is read_input_list. */
-static void
-set_lang_bitmap (char *gtfile, lang_bitmap n)
+#if ENABLE_CHECKING
+/* Utility debugging function, printing the various type counts within
+ a list of types. Called thru the DBGPRINT_COUNT_TYPE macro. */
+void
+dbgprint_count_type_at (const char *fil, int lin, const char *msg, type_p t)
{
- int i;
- for (i = -1; i >= -(int) sizeof (lang_bitmap); i--)
+ int nb_types = 0, nb_scalar = 0, nb_string = 0;
+ int nb_struct = 0, nb_union = 0, nb_array = 0, nb_pointer = 0;
+ int nb_lang_struct = 0, nb_param_struct = 0;
+ type_p p = NULL;
+ for (p = t; p; p = p->next)
{
- gtfile[i] = n & ((1U << CHAR_BIT) - 1);
- n >>= CHAR_BIT;
+ nb_types++;
+ switch (p->kind)
+ {
+ case TYPE_SCALAR:
+ nb_scalar++;
+ break;
+ case TYPE_STRING:
+ nb_string++;
+ break;
+ case TYPE_STRUCT:
+ nb_struct++;
+ break;
+ case TYPE_UNION:
+ nb_union++;
+ break;
+ case TYPE_POINTER:
+ nb_pointer++;
+ break;
+ case TYPE_ARRAY:
+ nb_array++;
+ break;
+ case TYPE_LANG_STRUCT:
+ nb_lang_struct++;
+ break;
+ case TYPE_PARAM_STRUCT:
+ nb_param_struct++;
+ break;
+ default:
+ gcc_unreachable ();
+ }
}
+ fprintf (stderr, "\n" "%s:%d: %s: @@%%@@ %d types ::\n",
+ lbasename (fil), lin, msg, nb_types);
+ if (nb_scalar > 0 || nb_string > 0)
+ fprintf (stderr, "@@%%@@ %d scalars, %d strings\n", nb_scalar, nb_string);
+ if (nb_struct > 0 || nb_union > 0)
+ fprintf (stderr, "@@%%@@ %d structs, %d unions\n", nb_struct, nb_union);
+ if (nb_pointer > 0 || nb_array > 0)
+ fprintf (stderr, "@@%%@@ %d pointers, %d arrays\n", nb_pointer, nb_array);
+ if (nb_lang_struct > 0 || nb_param_struct > 0)
+ fprintf (stderr, "@@%%@@ %d lang_structs, %d param_structs\n",
+ nb_lang_struct, nb_param_struct);
+ fprintf (stderr, "\n");
}
+#endif /* ENABLE_CHECKING */
/* Scan the input file, LIST, and determine how much space we need to
store strings in. Also, count the number of language directories
size_t nfiles = 0;
lang_bitmap curlangs = (1 << num_lang_dirs) - 1;
- epos.file = listname;
+ epos.file = input_file_by_name (listname);
epos.line = 0;
lang_dir_names = XNEWVEC (const char *, num_lang_dirs);
- gt_files = XNEWVEC (const char *, num_gt_files);
+ gt_files = XNEWVEC (const input_file *, num_gt_files);
for (;;)
{
else
{
size_t i;
+ input_file *inpf = input_file_by_name (line);
gcc_assert (nfiles <= num_gt_files);
for (i = 0; i < nfiles; i++)
- if (strcmp (gt_files[i], line) == 0)
+ /* Since the input_file-s are uniquely hash-consed, we
+ can just compare pointers! */
+ if (gt_files[i] == inpf)
{
/* Throw away the string we just read, and add the
current language to the existing string's bitmap. */
- lang_bitmap bmap = get_lang_bitmap (gt_files[i]);
+ lang_bitmap bmap = get_lang_bitmap (inpf);
if (bmap & curlangs)
error_at_line (&epos,
"file %s specified more than once "
1]);
bmap |= curlangs;
- set_lang_bitmap (CONST_CAST (char *, gt_files[i]), bmap);
+ set_lang_bitmap (inpf, bmap);
here = committed;
goto next_line;
}
- set_lang_bitmap (line, curlangs);
- gt_files[nfiles++] = line;
+ set_lang_bitmap (inpf, curlangs);
+ gt_files[nfiles++] = inpf;
}
}
/* Update the global counts now that we know accurately how many
/* The one and only TYPE_STRING. */
-static struct type string_type = {
- TYPE_STRING, 0, 0, GC_USED, {0}
+struct type string_type = {
+ TYPE_STRING, 0, 0, 0, GC_USED, {0}
};
/* The two and only TYPE_SCALARs. Their u.scalar_is_char flags are
- set to appropriate values at the beginning of main. */
+ set early in main. */
-static struct type scalar_nonchar = {
- TYPE_SCALAR, 0, 0, GC_USED, {0}
+struct type scalar_nonchar = {
+ TYPE_SCALAR, 0, 0, 0, GC_USED, {0}
};
-static struct type scalar_char = {
- TYPE_SCALAR, 0, 0, GC_USED, {0}
+struct type scalar_char = {
+ TYPE_SCALAR, 0, 0, 0, GC_USED, {0}
};
/* Lists of various things. */
-static pair_p typedefs;
-static type_p structures;
-static type_p param_structs;
-static pair_p variables;
+pair_p typedefs;
+type_p structures;
+type_p param_structs;
+pair_p variables;
static type_p find_param_structure (type_p t, type_p param[NUM_PARAM]);
static type_p adjust_field_tree_exp (type_p t, options_p opt);
type_p s = NULL;
lang_bitmap bitmap = get_lang_bitmap (pos->file);
- /* temporary kludge - gengtype doesn't handle conditionals or
- macros. Ignore any attempt to define struct location_s, unless
- it is coming from this file (main() sets it up safely). */
- if (!strcmp (name, "location_s") && !isunion && pos->file != this_file)
- return find_structure (name, 0);
-
for (si = structures; si != NULL; si = si->next)
if (strcmp (name, si->u.s.tag) == 0 && UNION_P (si) == isunion)
{
else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap)
{
ls = si;
+ type_count++;
si = XCNEW (struct type);
memcpy (si, ls, sizeof (struct type));
ls->kind = TYPE_LANG_STRUCT;
ls->u.s.lang_struct = si;
ls->u.s.fields = NULL;
si->next = NULL;
+ si->state_number = -type_count;
si->pointer_to = NULL;
si->u.s.lang_struct = ls;
}
if (ls != NULL && s == NULL)
{
+ type_count++;
s = XCNEW (struct type);
+ s->state_number = -type_count;
s->next = ls->u.s.lang_struct;
ls->u.s.lang_struct = s;
s->u.s.lang_struct = ls;
if (s == NULL)
{
+ type_count++;
s = XCNEW (struct type);
+ s->state_number = -type_count;
s->next = structures;
structures = s;
}
if (s->u.s.lang_struct)
s->u.s.lang_struct->u.s.bitmap |= bitmap;
- /* Reset location_s's location to input.h so that we know where to
- write out its mark routine. */
- if (!strcmp (name, "location_s") && !isunion && pos->file == this_file)
- {
- size_t n;
- for (n = 0; n < num_gt_files; n++)
- if (!strcmp (gt_files[n] + strlen (gt_files[n]) - strlen ("input.h"),
- "input.h"))
- {
- s->u.s.line.file = gt_files[n];
- break;
- }
- }
-
return s;
}
if (strcmp (name, s->u.s.tag) == 0 && UNION_P (s) == isunion)
return s;
+ type_count++;
s = XCNEW (struct type);
s->next = structures;
+ s->state_number = -type_count;
structures = s;
s->kind = isunion ? TYPE_UNION : TYPE_STRUCT;
s->u.s.tag = name;
break;
if (res == NULL)
{
+ type_count++;
res = XCNEW (struct type);
res->kind = TYPE_PARAM_STRUCT;
res->next = param_structs;
+ res->state_number = -type_count;
param_structs = res;
res->u.param_struct.stru = t;
memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM);
if (!t->pointer_to)
{
type_p r = XCNEW (struct type);
+ type_count++;
+ r->state_number = -type_count;
r->kind = TYPE_POINTER;
r->u.p = t;
t->pointer_to = r;
{
type_p v;
+ type_count++;
v = XCNEW (struct type);
v->kind = TYPE_ARRAY;
+ v->state_number = -type_count;
v->u.a.p = t;
v->u.a.len = len;
return v;
}
-/* Return an options structure with name NAME and info INFO. NEXT is the
- next option in the chain. */
+/* Return a string options structure with name NAME and info INFO.
+ NEXT is the next option in the chain. */
+options_p
+create_string_option (options_p next, const char *name, const char *info)
+{
+ options_p o = XNEW (struct options);
+ o->kind = OPTION_STRING;
+ o->next = next;
+ o->name = name;
+ o->info.string = info;
+ return o;
+}
+/* Create a type options structure with name NAME and info INFO. NEXT
+ is the next option in the chain. */
options_p
-create_option (options_p next, const char *name, const void *info)
+create_type_option (options_p next, const char* name, type_p info)
{
options_p o = XNEW (struct options);
o->next = next;
o->name = name;
- o->info = (const char *) info;
+ o->kind = OPTION_TYPE;
+ o->info.type = info;
+ return o;
+}
+
+/* Create a nested pointer options structure with name NAME and info
+ INFO. NEXT is the next option in the chain. */
+options_p
+create_nested_option (options_p next, const char* name,
+ struct nested_ptr_data* info)
+{
+ options_p o;
+ o = XNEW (struct options);
+ o->next = next;
+ o->name = name;
+ o->kind = OPTION_NESTED;
+ o->info.nested = info;
return o;
}
d->type = adjust_field_type (t, 0);
d->convert_to = to;
d->convert_from = from;
- return create_option (next, "nested_ptr", d);
+ return create_nested_option (next, "nested_ptr", d);
}
/* Add a variable named S of type T with options O defined at POS,
to `variables'. */
-
void
note_variable (const char *s, type_p t, options_p o, struct fileloc *pos)
{
/* Most-general structure field creator. */
static pair_p
create_field_all (pair_p next, type_p type, const char *name, options_p opt,
- const char *file, int line)
+ const input_file *inpf, int line)
{
pair_p field;
field->type = type;
field->name = name;
field->opt = opt;
- field->line.file = file;
+ field->line.file = inpf;
field->line.line = line;
return field;
}
/* Create a fake field with the given type and name. NEXT is the next
field in the chain. */
#define create_field(next,type,name) \
- create_field_all(next,type,name, 0, this_file, __LINE__)
+ create_field_all(next,type,name, 0, this_file, __LINE__)
/* Like create_field, but the field is only valid when condition COND
is true. */
The field has a tag of "1". This allows us to make the presence
of a field of type TYPE depend on some boolean "desc" being true. */
union_fields = create_field (NULL, type, "");
- union_fields->opt = create_option (union_fields->opt, "dot", "");
- union_fields->opt = create_option (union_fields->opt, "tag", "1");
- union_type = new_structure (xasprintf ("%s_%d", "fake_union", id++), 1,
- &lexer_line, union_fields, NULL);
+ union_fields->opt =
+ create_string_option (union_fields->opt, "dot", "");
+ union_fields->opt =
+ create_string_option (union_fields->opt, "tag", "1");
+ union_type =
+ new_structure (xasprintf ("%s_%d", "fake_union", id++), 1,
+ &lexer_line, union_fields, NULL);
/* Create the field and give it the new fake union type. Add a "desc"
tag that specifies the condition under which the field is valid. */
return create_field_all (next, union_type, name,
- create_option (0, "desc", cond), this_file, line);
+ create_string_option (0, "desc", cond),
+ this_file, line);
}
#define create_optional_field(next,type,name,cond) \
- create_optional_field_(next,type,name,cond,__LINE__)
+ create_optional_field_(next,type,name,cond,__LINE__)
/* Reverse a linked list of 'struct pair's in place. */
pair_p
return &string_type;
}
- nodot = create_option (NULL, "dot", "");
+ nodot = create_string_option (NULL, "dot", "");
rtx_tp = create_pointer (find_structure ("rtx_def", 0));
rtvec_tp = create_pointer (find_structure ("rtvec_def", 0));
tree_tp = create_pointer (find_structure ("tree_node", 1));
mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0));
- reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0));
- basic_block_tp = create_pointer (find_structure ("basic_block_def", 0));
+ reg_attrs_tp =
+ create_pointer (find_structure ("reg_attrs", 0));
+ basic_block_tp =
+ create_pointer (find_structure ("basic_block_def", 0));
constant_tp =
create_pointer (find_structure ("constant_descriptor_rtx", 0));
scalar_tp = &scalar_nonchar; /* rtunion int */
/* NOTE_INSN_MAX is used as the default field for line
number notes. */
if (c == NOTE_INSN_MAX)
- note_flds->opt = create_option (nodot, "default", "");
+ note_flds->opt =
+ create_string_option (nodot, "default", "");
else
- note_flds->opt = create_option (nodot, "tag", note_insn_name[c]);
+ note_flds->opt =
+ create_string_option (nodot, "tag", note_insn_name[c]);
}
note_union_tp = new_structure ("rtx_def_note_subunion", 1,
&lexer_line, note_flds, NULL);
/* Create a type to represent the various forms of SYMBOL_REF_DATA. */
{
pair_p sym_flds;
-
sym_flds = create_field (NULL, tree_tp, "rt_tree");
- sym_flds->opt = create_option (nodot, "default", "");
-
+ sym_flds->opt = create_string_option (nodot, "default", "");
sym_flds = create_field (sym_flds, constant_tp, "rt_constant");
- sym_flds->opt = create_option (nodot, "tag", "1");
-
+ sym_flds->opt = create_string_option (nodot, "tag", "1");
symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1,
&lexer_line, sym_flds, NULL);
}
t = scalar_tp, subname = "rt_int";
else
{
- error_at_line (&lexer_line,
- "rtx type `%s' has `0' in position %lu, can't handle",
- rtx_name[i], (unsigned long) aindex);
+ error_at_line
+ (&lexer_line,
+ "rtx type `%s' has `0' in position %lu, can't handle",
+ rtx_name[i], (unsigned long) aindex);
t = &string_type;
subname = "rt_int";
}
break;
default:
- error_at_line (&lexer_line,
- "rtx type `%s' has `%c' in position %lu, can't handle",
- rtx_name[i], rtx_format[i][aindex],
- (unsigned long) aindex);
+ error_at_line
+ (&lexer_line,
+ "rtx type `%s' has `%c' in position %lu, can't handle",
+ rtx_name[i], rtx_format[i][aindex],
+ (unsigned long) aindex);
t = &string_type;
subname = "rt_int";
break;
subname));
subfields->opt = nodot;
if (t == note_union_tp)
- subfields->opt = create_option (subfields->opt, "desc",
- "NOTE_KIND (&%0)");
+ subfields->opt =
+ create_string_option (subfields->opt, "desc",
+ "NOTE_KIND (&%0)");
if (t == symbol_union_tp)
- subfields->opt = create_option (subfields->opt, "desc",
- "CONSTANT_POOL_ADDRESS_P (&%0)");
+ subfields->opt =
+ create_string_option (subfields->opt, "desc",
+ "CONSTANT_POOL_ADDRESS_P (&%0)");
}
if (i == SYMBOL_REF)
{
- /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P holds. */
+ /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P
+ holds. */
type_p field_tp = find_structure ("block_symbol", 0);
subfields
= create_optional_field (subfields, field_tp, "block_sym",
ftag = xstrdup (rtx_name[i]);
for (nmindex = 0; nmindex < strlen (ftag); nmindex++)
ftag[nmindex] = TOUPPER (ftag[nmindex]);
-
flds = create_field (flds, substruct, "");
- flds->opt = create_option (nodot, "tag", ftag);
+ flds->opt = create_string_option (nodot, "tag", ftag);
}
-
return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot);
}
return &string_type;
}
- nodot = create_option (NULL, "dot", "");
+ nodot = create_string_option (NULL, "dot", "");
flds = create_field (NULL, t, "");
- flds->opt = create_option (nodot, "length",
- "TREE_OPERAND_LENGTH ((tree) &%0)");
- flds->opt = create_option (flds->opt, "default", "");
+ flds->opt = create_string_option (nodot, "length",
+ "TREE_OPERAND_LENGTH ((tree) &%0)");
+ flds->opt = create_string_option (flds->opt, "default", "");
return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot);
}
for (; opt; opt = opt->next)
if (strcmp (opt->name, "length") == 0)
length_p = 1;
- else if (strcmp (opt->name, "param_is") == 0
- || (strncmp (opt->name, "param", 5) == 0
- && ISDIGIT (opt->name[5])
- && strcmp (opt->name + 6, "_is") == 0))
+ else if ((strcmp (opt->name, "param_is") == 0
+ || (strncmp (opt->name, "param", 5) == 0
+ && ISDIGIT (opt->name[5])
+ && strcmp (opt->name + 6, "_is") == 0))
+ && opt->kind == OPTION_TYPE)
{
int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0;
if (params[num] != NULL)
error_at_line (&lexer_line, "duplicate `%s' option", opt->name);
if (!ISDIGIT (opt->name[5]))
- params[num] =
- create_pointer (CONST_CAST2 (type_p, const char *, opt->info));
+ params[num] = create_pointer (opt->info.type);
else
- params[num] = CONST_CAST2 (type_p, const char *, opt->info);
+ params[num] = opt->info.type;
}
- else if (strcmp (opt->name, "special") == 0)
+ else if (strcmp (opt->name, "special") == 0
+ && opt->kind == OPTION_STRING)
{
- const char *special_name = opt->info;
+ const char *special_name = opt->info.string;
if (strcmp (special_name, "tree_exp") == 0)
t = adjust_field_tree_exp (t, opt);
else if (strcmp (special_name, "rtx_def") == 0)
{
options_p o;
for (o = opt; o; o = o->next)
- if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO)
- set_gc_used_type (CONST_CAST2 (type_p, const char *, o->info),
+ if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO
+ && o->kind == OPTION_TYPE)
+ set_gc_used_type (o->info.type,
GC_POINTED_TO, NULL);
else if (strcmp (o->name, "maybe_undef") == 0)
*maybe_undef = 1;
*length = 1;
else if (strcmp (o->name, "skip") == 0)
*skip = 1;
- else if (strcmp (o->name, "nested_ptr") == 0)
- *nested_ptr = ((const struct nested_ptr_data *) o->info)->type;
+ else if (strcmp (o->name, "nested_ptr") == 0
+ && o->kind == OPTION_NESTED)
+ *nested_ptr = ((const struct nested_ptr_data *) o->info.nested)->type;
}
-/* Set the gc_used field of T to LEVEL, and handle the types it references. */
+/* Set the gc_used field of T to LEVEL, and handle the types it references. */
static void
set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM])
{
static void
set_gc_used (pair_p variables)
{
+ int nbvars = 0;
pair_p p;
for (p = variables; p; p = p->next)
- set_gc_used_type (p->type, GC_USED, NULL);
+ {
+ set_gc_used_type (p->type, GC_USED, NULL);
+ nbvars++;
+ };
+ if (verbosity_level >= 2)
+ printf ("%s used %d GTY-ed variables\n", progname, nbvars);
}
\f
/* File mapping routines. For each input file, there is one output .c file
}
}
-/* For F a filename, return the real basename of F, with all the directory
- components skipped. */
+/* For INPF an input file, return the real basename of INPF, with all
+ the directory components skipped. */
static const char *
-get_file_realbasename (const char *f)
+get_file_realbasename (const input_file *inpf)
{
+ const char *f = get_input_file_name (inpf);
const char *lastslash = strrchr (f, '/');
return (lastslash != NULL) ? lastslash + 1 : f;
}
-/* For F a filename, return the relative path to F from $(srcdir) if the
- latter is a prefix in F, NULL otherwise. */
+/* For INPF a filename, return the relative path to INPF from
+ $(srcdir) if the latter is a prefix in INPF, NULL otherwise. */
-static const char *
-get_file_srcdir_relative_path (const char *f)
+const char *
+get_file_srcdir_relative_path (const input_file *inpf)
{
+ const char *f = get_input_file_name (inpf);
if (strlen (f) > srcdir_len
&& IS_DIR_SEPARATOR (f[srcdir_len])
- && memcmp (f, srcdir, srcdir_len) == 0)
+ && strncmp (f, srcdir, srcdir_len) == 0)
return f + srcdir_len + 1;
else
return NULL;
}
-/* For F a filename, return the relative path to F from $(srcdir) if the
- latter is a prefix in F, or the real basename of F otherwise. */
+/* For INPF an input_file, return the relative path to INPF from
+ $(srcdir) if the latter is a prefix in INPF, or the real basename
+ of INPF otherwise. */
static const char *
-get_file_basename (const char *f)
+get_file_basename (const input_file *inpf)
{
- const char *srcdir_path = get_file_srcdir_relative_path (f);
+ const char *srcdir_path = get_file_srcdir_relative_path (inpf);
- return (srcdir_path != NULL) ? srcdir_path : get_file_realbasename (f);
+ return (srcdir_path != NULL) ? srcdir_path : get_file_realbasename (inpf);
}
/* For F a filename, return the lang_dir_names relative index of the language
return -1;
}
-/* For F a filename, return the name of language directory where F is located,
- if any, NULL otherwise. */
+/* For INPF an input file, return the name of language directory where
+ F is located, if any, NULL otherwise. */
static const char *
-get_file_langdir (const char *f)
+get_file_langdir (const input_file *inpf)
{
- /* Get the relative path to F from $(srcdir) and find the language by
- comparing the prefix with language directory names. If F is not even
- srcdir relative, no point in looking further. */
+ /* Get the relative path to INPF from $(srcdir) and find the
+ language by comparing the prefix with language directory names.
+ If INPF is not even srcdir relative, no point in looking
+ further. */
int lang_index;
- const char *srcdir_relative_path = get_file_srcdir_relative_path (f);
+ const char *srcdir_relative_path = get_file_srcdir_relative_path (inpf);
const char *r;
if (!srcdir_relative_path)
return r;
}
-/* The gt- output file name for F. */
+/* The gt- output file name for INPF. */
static const char *
-get_file_gtfilename (const char *f)
+get_file_gtfilename (const input_file *inpf)
{
/* Cook up an initial version of the gt- file name from the file real
basename and the language name, if any. */
- const char *basename = get_file_realbasename (f);
- const char *langdir = get_file_langdir (f);
+ const char *basename = get_file_realbasename (inpf);
+ const char *langdir = get_file_langdir (inpf);
char *result =
(langdir ? xasprintf ("gt-%s-%s", langdir, basename)
return result;
}
+/* Each input_file has its associated output file outf_p. The
+ association is computed by the function
+ get_output_file_with_visibility. The associated file is cached
+ inside input_file in its inpoutf field, so is really computed only
+ once. Associated output file paths (i.e. output_name-s) are
+ computed by a rule based regexp machinery, using the files_rules
+ array of struct file_rule_st. A for_name is also computed, giving
+ the source file name for which the output_file is generated; it is
+ often the last component of the input_file path. */
+
+
+/*
+ Regexpr machinery to compute the output_name and for_name-s of each
+ input_file. We have a sequence of file rules which gives the POSIX
+ extended regular expression to match an input file path, and two
+ transformed strings for the corresponding output_name and the
+ corresponding for_name. The transformed string contain dollars: $0
+ is replaced by the entire match, $1 is replaced by the substring
+ matching the first parenthesis in the regexp, etc. And $$ is replaced
+ by a single verbatim dollar. The rule order is important. The
+ general case is last, and the particular cases should come before.
+ An action routine can, when needed, update the out_name & for_name
+ and/or return the appropriate output file. It is invoked only when a
+ rule is triggered. When a rule is triggered, the output_name and
+ for_name are computed using their transform string in while $$, $0,
+ $1, ... are suitably replaced. If there is an action, it is called.
+ In some few cases, the action can directly return the outf_p, but
+ usually it just updates the output_name and for_name so should free
+ them before replacing them. The get_output_file_with_visibility
+ function creates an outf_p only once per each output_name, so it
+ scans the output_files list for previously seen output file names.
+ */
+
+/* Signature of actions in file rules. */
+typedef outf_p (frul_actionrout_t) (input_file*, char**, char**);
+
+
+struct file_rule_st {
+ const char* frul_srcexpr; /* Source string for regexp. */
+ int frul_rflags; /* Flags passed to regcomp, usually
+ * REG_EXTENDED. */
+ regex_t* frul_re; /* Compiled regular expression
+ obtained by regcomp. */
+ const char* frul_tr_out; /* Transformation string for making
+ * the output_name, with $1 ... $9 for
+ * subpatterns and $0 for the whole
+ * matched filename. */
+ const char* frul_tr_for; /* Tranformation string for making the
+ for_name. */
+ frul_actionrout_t* frul_action; /* The action, if non null, is
+ * called once the rule matches, on
+ * the transformed out_name &
+ * for_name. It could change them
+ * and/or give the output file. */
+};
+
+/* File rule action handling *.h files. */
+static outf_p header_dot_h_frul (input_file*, char**, char**);
+
+/* File rule action handling *.c files. */
+static outf_p source_dot_c_frul (input_file*, char**, char**);
+
+#define NULL_REGEX (regex_t*)0
+
+/* The prefix in our regexp-s matching the directory. */
+#define DIR_PREFIX_REGEX "^(([^/]*/)*)"
+
+#define NULL_FRULACT (frul_actionrout_t*)0
+
+/* The array of our rules governing file name generation. Rules order
+ matters, so change with extreme care! */
+
+struct file_rule_st files_rules[] = {
+ /* the c-family/ source directory is special. */
+ { DIR_PREFIX_REGEX "c-family/([[:alnum:]_-]*)\\.c$",
+ REG_EXTENDED, NULL_REGEX,
+ "gt-c-family-$3.h", "c-family/$3.c", NULL_FRULACT},
+
+ { DIR_PREFIX_REGEX "c-family/([[:alnum:]_-]*)\\.h$",
+ REG_EXTENDED, NULL_REGEX,
+ "gt-c-family-$3.h", "c-family/$3.h", NULL_FRULACT},
+
+ /* Both c-lang.h & c-tree.h gives gt-c-decl.h for c-decl.c ! */
+ { DIR_PREFIX_REGEX "c-lang\\.h$",
+ REG_EXTENDED, NULL_REGEX, "gt-c-decl.h", "c-decl.c", NULL_FRULACT},
+
+ { DIR_PREFIX_REGEX "c-tree\\.h$",
+ REG_EXTENDED, NULL_REGEX, "gt-c-decl.h", "c-decl.c", NULL_FRULACT},
+
+ /* cp/cp-tree.h gives gt-cp-tree.h for cp/tree.c ! */
+ { DIR_PREFIX_REGEX "cp/cp-tree\\.h$",
+ REG_EXTENDED, NULL_REGEX,
+ "gt-cp-tree.h", "cp/tree.c", NULL_FRULACT },
+
+ /* cp/decl.h & cp/decl.c gives gt-cp-decl.h for cp/decl.c ! */
+ { DIR_PREFIX_REGEX "cp/decl\\.[ch]$",
+ REG_EXTENDED, NULL_REGEX,
+ "gt-cp-decl.h", "cp/decl.c", NULL_FRULACT },
+
+ /* cp/name-lookup.h gives gt-cp-name-lookup.h for cp/name-lookup.c ! */
+ { DIR_PREFIX_REGEX "cp/name-lookup\\.h$",
+ REG_EXTENDED, NULL_REGEX,
+ "gt-cp-name-lookup.h", "cp/name-lookup.c", NULL_FRULACT },
+
+ /* objc/objc-act.h fives gt-objc-objc-act.h for objc/objc-act.c ! */
+ { DIR_PREFIX_REGEX "objc/objc-act\\.h$",
+ REG_EXTENDED, NULL_REGEX,
+ "gt-objc-objc-act.h", "objc/objc-act.c", NULL_FRULACT },
+
+ /* General cases. For header *.h and source *.c files, we need
+ * special actions to handle the language. */
+
+ /* Source *.c files are using get_file_gtfilename to compute their
+ output_name and get_file_basename to compute their for_name
+ thru the source_dot_c_frul action. */
+ { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.c$",
+ REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.c", source_dot_c_frul},
+ /* Common header files get "gtype-desc.c" as their output_name,
+ * while language specific header files are handled specially. So
+ * we need the header_dot_h_frul action. */
+ { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.h$",
+ REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.h", header_dot_h_frul},
+
+ { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.in$",
+ REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.in", NULL_FRULACT},
+
+ /* Mandatory null last entry signaling end of rules. */
+ {NULL, 0, NULL_REGEX, NULL, NULL, NULL_FRULACT}
+};
+
+/* Special file rules action for handling *.h header files. It gives
+ "gtype-desc.c" for common headers and corresponding output
+ files for language-specific header files. */
+static outf_p
+header_dot_h_frul (input_file* inpf, char**poutname,
+ char**pforname ATTRIBUTE_UNUSED)
+{
+ const char *basename = 0;
+ int lang_index = 0;
+ DBGPRINTF ("inpf %p inpname %s outname %s forname %s",
+ (void*) inpf, get_input_file_name (inpf),
+ *poutname, *pforname);
+ basename = get_file_basename (inpf);
+ lang_index = get_prefix_langdir_index (basename);
+ DBGPRINTF ("basename %s lang_index %d", basename, lang_index);
+
+ if (lang_index >= 0)
+ {
+ /* The header is language specific. Given output_name &
+ for_name remains unchanged. The base_files array gives the
+ outf_p. */
+ DBGPRINTF ("header_dot_h found language specific @ %p '%s'",
+ (void*) base_files[lang_index],
+ (base_files[lang_index])->name);
+ return base_files[lang_index];
+ }
+ else
+ {
+ /* The header is common to all front-end languages. So
+ output_name is "gtype-desc.c" file. The calling function
+ get_output_file_with_visibility will find its outf_p. */
+ free (*poutname);
+ *poutname = xstrdup ("gtype-desc.c");
+ DBGPRINTF ("special 'gtype-desc.c' for inpname %s",
+ get_input_file_name (inpf));
+ return NULL;
+ }
+}
+
+
+/* Special file rules action for handling *.c source files using
+ * get_file_gtfilename to compute their output_name and
+ * get_file_basename to compute their for_name. The output_name is
+ * gt-<LANG>-<BASE>.h for language specific source files, and
+ * gt-<BASE>.h for common source files. */
+static outf_p
+source_dot_c_frul (input_file* inpf, char**poutname, char**pforname)
+{
+ char *newbasename = CONST_CAST (char*, get_file_basename (inpf));
+ char *newoutname = CONST_CAST (char*, get_file_gtfilename (inpf));
+ DBGPRINTF ("inpf %p inpname %s original outname %s forname %s",
+ (void*) inpf, get_input_file_name (inpf),
+ *poutname, *pforname);
+ DBGPRINTF ("newoutname %s", newoutname);
+ DBGPRINTF ("newbasename %s", newbasename);
+ free (*poutname);
+ free (*pforname);
+ *poutname = newoutname;
+ *pforname = newbasename;
+ return NULL;
+}
+
+/* Utility function for get_output_file_with_visibility which returns
+ * a malloc-ed substituted string using TRS on matching of the FILNAM
+ * file name, using the PMATCH array. */
+static char*
+matching_file_name_substitute (const char *filnam, regmatch_t pmatch[10],
+ const char *trs)
+{
+ struct obstack str_obstack;
+ char *str = NULL;
+ char *rawstr = NULL;
+ const char *pt = NULL;
+ DBGPRINTF ("filnam %s", filnam);
+ obstack_init (&str_obstack);
+ for (pt = trs; *pt; pt++) {
+ char c = *pt;
+ if (c == '$')
+ {
+ if (pt[1] == '$')
+ {
+ /* A double dollar $$ is substituted by a single verbatim
+ dollar, but who really uses dollar signs in file
+ paths? */
+ obstack_1grow (&str_obstack, '$');
+ }
+ else if (ISDIGIT (pt[1]))
+ {
+ /* Handle $0 $1 ... $9 by appropriate substitution. */
+ int dolnum = pt[1] - '0';
+ int so = pmatch[dolnum].rm_so;
+ int eo = pmatch[dolnum].rm_eo;
+ DBGPRINTF ("so=%d eo=%d dolnum=%d", so, eo, dolnum);
+ if (so>=0 && eo>=so)
+ obstack_grow (&str_obstack, filnam + so, eo - so);
+ }
+ else
+ {
+ /* This can happen only when files_rules is buggy! */
+ gcc_unreachable();
+ }
+ /* Always skip the character after the dollar. */
+ pt++;
+ }
+ else
+ obstack_1grow (&str_obstack, c);
+ }
+ obstack_1grow (&str_obstack, '\0');
+ rawstr = XOBFINISH (&str_obstack, char *);
+ str = xstrdup (rawstr);
+ obstack_free (&str_obstack, rawstr);
+ DBGPRINTF ("matched replacement %s", str);
+ rawstr = NULL;
+ return str;
+}
+
+
/* An output file, suitable for definitions, that can see declarations
- made in INPUT_FILE and is linked into every language that uses
- INPUT_FILE. */
+ made in INPF and is linked into every language that uses INPF.
+ Since the the result is cached inside INPF, that argument cannot be
+ declared constant, but is "almost" constant. */
outf_p
-get_output_file_with_visibility (const char *input_file)
+get_output_file_with_visibility (input_file *inpf)
{
outf_p r;
- size_t len;
- const char *basename;
- const char *for_name;
- const char *output_name;
+ char *for_name = NULL;
+ char *output_name = NULL;
+ const char* inpfname;
/* This can happen when we need a file with visibility on a
structure that we've never seen. We have to just hope that it's
globally visible. */
- if (input_file == NULL)
- input_file = "system.h";
+ if (inpf == NULL)
+ inpf = system_h_file;
+
+ /* The result is cached in INPF, so return it if already known. */
+ if (inpf->inpoutf)
+ return inpf->inpoutf;
/* In plugin mode, return NULL unless the input_file is one of the
plugin_files. */
{
size_t i;
for (i = 0; i < nb_plugin_files; i++)
- if (strcmp (input_file, plugin_files[i]) == 0)
- return plugin_output;
+ if (inpf == plugin_files[i])
+ {
+ inpf->inpoutf = plugin_output;
+ return plugin_output;
+ }
return NULL;
}
- /* Determine the output file name. */
- basename = get_file_basename (input_file);
+ inpfname = get_input_file_name (inpf);
- len = strlen (basename);
- if ((len > 2 && memcmp (basename + len - 2, ".c", 2) == 0)
- || (len > 2 && memcmp (basename + len - 2, ".y", 2) == 0)
- || (len > 3 && memcmp (basename + len - 3, ".in", 3) == 0))
- {
- output_name = get_file_gtfilename (input_file);
- for_name = basename;
- }
- /* Some headers get used by more than one front-end; hence, it
- would be inappropriate to spew them out to a single gtype-<lang>.h
- (and gengtype doesn't know how to direct spewage into multiple
- gtype-<lang>.h headers at this time). Instead, we pair up these
- headers with source files (and their special purpose gt-*.h headers). */
- else if (strncmp (basename, "c-family", 8) == 0
- && IS_DIR_SEPARATOR (basename[8])
- && strcmp (basename + 9, "c-common.h") == 0)
- output_name = "gt-c-family-c-common.h", for_name = "c-family/c-common.c";
- else if (strcmp (basename, "c-lang.h") == 0)
- output_name = "gt-c-decl.h", for_name = "c-decl.c";
- else if (strcmp (basename, "c-tree.h") == 0)
- output_name = "gt-c-decl.h", for_name = "c-decl.c";
- else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2])
- && strcmp (basename + 3, "cp-tree.h") == 0)
- output_name = "gt-cp-tree.h", for_name = "cp/tree.c";
- else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2])
- && strcmp (basename + 3, "decl.h") == 0)
- output_name = "gt-cp-decl.h", for_name = "cp/decl.c";
- else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2])
- && strcmp (basename + 3, "name-lookup.h") == 0)
- output_name = "gt-cp-name-lookup.h", for_name = "cp/name-lookup.c";
- else if (strncmp (basename, "objc", 4) == 0
- && IS_DIR_SEPARATOR (basename[4])
- && strcmp (basename + 5, "objc-act.h") == 0)
- output_name = "gt-objc-objc-act.h", for_name = "objc/objc-act.c";
- else
- {
- int lang_index = get_prefix_langdir_index (basename);
+ /* Try each rule in sequence in files_rules until one is triggered. */
+ {
+ int rulix = 0;
+ DBGPRINTF ("passing input file @ %p named %s thru the files_rules",
+ (void*) inpf, inpfname);
+
+ for (; files_rules[rulix].frul_srcexpr != NULL; rulix++)
+ {
+ DBGPRINTF ("rulix#%d srcexpr %s",
+ rulix, files_rules[rulix].frul_srcexpr);
- if (lang_index >= 0)
- return base_files[lang_index];
+ if (!files_rules[rulix].frul_re)
+ {
+ /* Compile the regexpr lazily. */
+ int err = 0;
+ files_rules[rulix].frul_re = XCNEW (regex_t);
+ err = regcomp (files_rules[rulix].frul_re,
+ files_rules[rulix].frul_srcexpr,
+ files_rules[rulix].frul_rflags);
+ if (err)
+ {
+ /* The regular expression compilation fails only when
+ file_rules is buggy. */
+ gcc_unreachable ();
+ }
+ }
- output_name = "gtype-desc.c";
- for_name = NULL;
+ output_name = NULL;
+ for_name = NULL;
+
+ /* Match the regexpr and trigger the rule if matched. */
+ {
+ /* We have exactly ten pmatch-s, one for each $0, $1, $2,
+ $3, ... $9. */
+ regmatch_t pmatch[10];
+ memset (pmatch, 0, sizeof (pmatch));
+ if (!regexec (files_rules[rulix].frul_re,
+ inpfname, 10, pmatch, 0))
+ {
+ DBGPRINTF ("input @ %p filename %s matched rulix#%d pattern %s",
+ (void*) inpf, inpfname, rulix,
+ files_rules[rulix].frul_srcexpr);
+ for_name =
+ matching_file_name_substitute (inpfname, pmatch,
+ files_rules[rulix].frul_tr_for);
+ DBGPRINTF ("for_name %s", for_name);
+ output_name =
+ matching_file_name_substitute (inpfname, pmatch,
+ files_rules[rulix].frul_tr_out);
+ DBGPRINTF ("output_name %s", output_name);
+ if (files_rules[rulix].frul_action)
+ {
+ /* Invoke our action routine. */
+ outf_p of = NULL;
+ DBGPRINTF ("before action rulix#%d output_name %s for_name %s",
+ rulix, output_name, for_name);
+ of =
+ (files_rules[rulix].frul_action) (inpf,
+ &output_name, &for_name);
+ DBGPRINTF ("after action rulix#%d of=%p output_name %s for_name %s",
+ rulix, (void*)of, output_name, for_name);
+ /* If the action routine returned something, give it back
+ immediately and cache it in inpf. */
+ if (of)
+ {
+ inpf->inpoutf = of;
+ return of;
+ }
+ }
+ /* The rule matched, and had no action, or that action did
+ not return any output file but could have changed the
+ output_name or for_name. We break out of the loop on the
+ files_rules. */
+ break;
+ }
+ else
+ {
+ /* The regexpr did not match. */
+ DBGPRINTF ("rulix#%d did not match %s pattern %s",
+ rulix, inpfname, files_rules[rulix].frul_srcexpr);
+ continue;
+ }
+ }
+ }
+ }
+ if (!output_name || !for_name)
+ {
+ /* This is impossible, and could only happen if the files_rules is
+ incomplete or buggy. */
+ gcc_unreachable ();
}
- /* Look through to see if we've ever seen this output filename before. */
+ /* Look through to see if we've ever seen this output filename
+ before. If found, cache the result in inpf. */
for (r = output_files; r; r = r->next)
if (strcmp (r->name, output_name) == 0)
- return r;
+ {
+ inpf->inpoutf = r;
+ DBGPRINTF ("found r @ %p for output_name %s for_name %s", (void*)r,
+ output_name, for_name);
+ return r;
+ }
- /* If not, create it. */
+ /* If not found, create it, and cache it in inpf. */
r = create_file (for_name, output_name);
gcc_assert (r && r->name);
+ DBGPRINTF ("created r @ %p for output_name %s for_name %s", (void*) r,
+ output_name, for_name);
+ inpf->inpoutf = r;
return r;
+
+
}
/* The name of an output file, suitable for definitions, that can see
- declarations made in INPUT_FILE and is linked into every language
- that uses INPUT_FILE. */
+ declarations made in INPF and is linked into every language that
+ uses INPF. */
const char *
-get_output_file_name (const char *input_file)
+get_output_file_name (input_file* inpf)
{
- outf_p o = get_output_file_with_visibility (input_file);
+ outf_p o = get_output_file_with_visibility (inpf);
if (o)
return o->name;
return NULL;
static void
close_output_files (void)
{
+ int nbwrittenfiles = 0;
outf_p of;
for (of = output_files; of; of = of->next)
if (!is_file_equal (of))
{
- FILE *newfile = fopen (of->name, "w");
+ FILE *newfile = NULL;
+ char *backupname = NULL;
+ /* Back up the old version of the output file gt-FOO.c as
+ BACKUPDIR/gt-FOO.c~ if we have a backup directory. */
+ if (backup_dir)
+ {
+ backupname = concat (backup_dir, "/",
+ lbasename (of->name), "~", NULL);
+ if (!access (of->name, F_OK) && rename (of->name, backupname))
+ fatal ("failed to back up %s as %s: %s",
+ of->name, backupname, xstrerror (errno));
+ }
+
+ newfile = fopen (of->name, "w");
if (newfile == NULL)
fatal ("opening output file %s: %s", of->name, xstrerror (errno));
if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused)
fatal ("writing output file %s: %s", of->name, xstrerror (errno));
if (fclose (newfile) != 0)
fatal ("closing output file %s: %s", of->name, xstrerror (errno));
+ nbwrittenfiles++;
+ if (verbosity_level >= 2 && backupname)
+ printf ("%s wrote #%-3d %s backed-up in %s\n",
+ progname, nbwrittenfiles, of->name, backupname);
+ else if (verbosity_level >= 1)
+ printf ("%s write #%-3d %s\n", progname, nbwrittenfiles, of->name);
+ free (backupname);
+ }
+ else
+ {
+ /* output file remains unchanged. */
+ if (verbosity_level >= 2)
+ printf ("%s keep %s\n", progname, of->name);
}
free (of->buf);
of->buf = NULL;
of->bufused = of->buflength = 0;
}
+ if (verbosity_level >= 1)
+ printf ("%s wrote %d files.\n", progname, nbwrittenfiles);
}
\f
struct flist
{
struct flist *next;
int started_p;
- const char *name;
+ const input_file* file;
outf_p f;
};
type_p structures, type_p param_structs);
static void write_enum_defn (type_p structures, type_p param_structs);
static int contains_scalar_p (type_p t);
-static void put_mangled_filename (outf_p, const char *);
+static void put_mangled_filename (outf_p, const input_file *);
static void finish_root_table (struct flist *flp, const char *pfx,
const char *tname, const char *lastname,
const char *name);
else
switch (t->kind)
{
+ case TYPE_NONE:
+ gcc_unreachable ();
+ break;
case TYPE_POINTER:
oprintf (of, "P");
output_mangled_typename (of, t->u.p);
d->needs_cast_p = false;
for (oo = d->opt; oo; oo = oo->next)
- if (strcmp (oo->name, "length") == 0)
- length = oo->info;
+ if (strcmp (oo->name, "length") == 0 && oo->kind == OPTION_STRING)
+ length = oo->info.string;
else if (strcmp (oo->name, "maybe_undef") == 0)
maybe_undef_p = 1;
else if (strncmp (oo->name, "use_param", 9) == 0
use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0';
else if (strcmp (oo->name, "use_params") == 0)
use_params_p = 1;
- else if (strcmp (oo->name, "desc") == 0)
- desc = oo->info;
+ else if (strcmp (oo->name, "desc") == 0 && oo->kind == OPTION_STRING)
+ desc = oo->info.string;
else if (strcmp (oo->name, "mark_hook") == 0)
;
- else if (strcmp (oo->name, "nested_ptr") == 0)
- nested_ptr_d = (const struct nested_ptr_data *) oo->info;
+ else if (strcmp (oo->name, "nested_ptr") == 0
+ && oo->kind == OPTION_NESTED)
+ nested_ptr_d = (const struct nested_ptr_data *) oo->info.nested;
else if (strcmp (oo->name, "dot") == 0)
;
else if (strcmp (oo->name, "tag") == 0)
;
else if (strcmp (oo->name, "default") == 0)
;
- else if (strcmp (oo->name, "descbits") == 0)
- ;
else if (strcmp (oo->name, "param_is") == 0)
;
else if (strncmp (oo->name, "param", 5) == 0
/* Some things may also be defined in the structure's options. */
for (o = t->u.s.opt; o; o = o->next)
- if (!desc && strcmp (o->name, "desc") == 0)
- desc = o->info;
+ if (!desc && strcmp (o->name, "desc") == 0
+ && o->kind == OPTION_STRING)
+ desc = o->info.string;
d->prev_val[2] = oldval;
d->prev_val[1] = oldprevval2;
d->reorder_fn = NULL;
for (oo = f->opt; oo; oo = oo->next)
- if (strcmp (oo->name, "dot") == 0)
- dot = oo->info;
- else if (strcmp (oo->name, "tag") == 0)
- tagid = oo->info;
+ if (strcmp (oo->name, "dot") == 0
+ && oo->kind == OPTION_STRING)
+ dot = oo->info.string;
+ else if (strcmp (oo->name, "tag") == 0
+ && oo->kind == OPTION_STRING)
+ tagid = oo->info.string;
else if (strcmp (oo->name, "skip") == 0)
skip_p = 1;
else if (strcmp (oo->name, "default") == 0)
default_p = 1;
- else if (strcmp (oo->name, "reorder") == 0)
- d->reorder_fn = oo->info;
+ else if (strcmp (oo->name, "reorder") == 0
+ && oo->kind == OPTION_STRING)
+ d->reorder_fn = oo->info.string;
else if (strncmp (oo->name, "use_param", 9) == 0
&& (oo->name[9] == '\0' || ISDIGIT (oo->name[9])))
use_param_p = 1;
{
fprintf (stderr,
"%s:%d: warning: field `%s' is missing `tag' or `default' option\n",
- d->line->file, d->line->line, f->name);
+ get_input_file_name (d->line->file), d->line->line,
+ f->name);
continue;
}
else if (union_p && !(default_p || tagid))
switch (f->kind)
{
+ case TYPE_NONE:
+ gcc_unreachable ();
case TYPE_POINTER:
oprintf (d->of, "%*s%s (%s%s", d->indent, "",
wtd->subfield_marker_routine, cast, d->val);
case TYPE_SCALAR:
break;
- default:
+ case TYPE_ARRAY:
gcc_unreachable ();
}
}
static outf_p
get_output_file_for_structure (const_type_p s, type_p *param)
{
- const char *fn = s->u.s.line.file;
+ const input_file *fn;
int i;
+ gcc_assert (UNION_OR_STRUCT_P (s));
+ fn = s->u.s.line.file;
+
/* This is a hack, and not the good kind either. */
for (i = NUM_PARAM - 1; i >= 0; i--)
if (param && param[i] && param[i]->kind == TYPE_POINTER
&& UNION_OR_STRUCT_P (param[i]->u.p))
fn = param[i]->u.p->u.s.line.file;
- return get_output_file_with_visibility (fn);
+ /* The call to get_output_file_with_visibility may update fn by
+ caching its result inside, so we need the CONST_CAST. */
+ return get_output_file_with_visibility (CONST_CAST (input_file*, fn));
}
/* For S, a structure that's part of ORIG_S, and using parameters
memset (&d, 0, sizeof (d));
d.of = get_output_file_for_structure (s, param);
-
for (opt = s->u.s.opt; opt; opt = opt->next)
- if (strcmp (opt->name, "chain_next") == 0)
- chain_next = opt->info;
- else if (strcmp (opt->name, "chain_prev") == 0)
- chain_prev = opt->info;
- else if (strcmp (opt->name, "chain_circular") == 0)
- chain_circular = opt->info;
- else if (strcmp (opt->name, "mark_hook") == 0)
- mark_hook_name = opt->info;
-
+ if (strcmp (opt->name, "chain_next") == 0
+ && opt->kind == OPTION_STRING)
+ chain_next = opt->info.string;
+ else if (strcmp (opt->name, "chain_prev") == 0
+ && opt->kind == OPTION_STRING)
+ chain_prev = opt->info.string;
+ else if (strcmp (opt->name, "chain_circular") == 0
+ && opt->kind == OPTION_STRING)
+ chain_circular = opt->info.string;
+ else if (strcmp (opt->name, "mark_hook") == 0
+ && opt->kind == OPTION_STRING)
+ mark_hook_name = opt->info.string;
if (chain_prev != NULL && chain_next == NULL)
error_at_line (&s->u.s.line, "chain_prev without chain_next");
if (chain_circular != NULL && chain_next != NULL)
write_types (outf_p output_header, type_p structures, type_p param_structs,
const struct write_types_data *wtd)
{
+ int nbfun = 0; /* Count the emitted functions. */
type_p s;
oprintf (output_header, "\n/* %s*/\n", wtd->comment);
oprintf (output_header, " } while (0)\n");
for (opt = s->u.s.opt; opt; opt = opt->next)
- if (strcmp (opt->name, "ptr_alias") == 0)
+ if (strcmp (opt->name, "ptr_alias") == 0
+ && opt->kind == OPTION_TYPE)
{
- const_type_p const t = (const_type_p) opt->info;
+ const_type_p const t = (const_type_p) opt->info.type;
if (t->kind == TYPE_STRUCT
|| t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT)
oprintf (output_header,
{
type_p ss;
for (ss = s->u.s.lang_struct; ss; ss = ss->next)
- write_func_for_structure (s, ss, NULL, wtd);
+ {
+ nbfun++;
+ DBGPRINTF ("writing func #%d lang_struct ss @ %p '%s'",
+ nbfun, (void*) ss, ss->u.s.tag);
+ write_func_for_structure (s, ss, NULL, wtd);
+ }
}
else
- write_func_for_structure (s, s, NULL, wtd);
+ {
+ nbfun++;
+ DBGPRINTF ("writing func #%d struct s @ %p '%s'",
+ nbfun, (void*) s, s->u.s.tag);
+ write_func_for_structure (s, s, NULL, wtd);
+ }
+ }
+ else
+ {
+ /* Structure s is not possibly pointed to, so can be ignored. */
+ DBGPRINTF ("ignored s @ %p '%s' gc_used#%d",
+ (void*)s, s->u.s.tag,
+ (int) s->gc_used);
}
+
for (s = param_structs; s; s = s->next)
if (s->gc_used == GC_POINTED_TO)
{
{
type_p ss;
for (ss = stru->u.s.lang_struct; ss; ss = ss->next)
- write_func_for_structure (s, ss, param, wtd);
+ {
+ nbfun++;
+ DBGPRINTF ("writing func #%d param lang_struct ss @ %p '%s'",
+ nbfun, (void*) ss, ss->u.s.tag);
+ write_func_for_structure (s, ss, param, wtd);
+ }
}
else
- write_func_for_structure (s, stru, param, wtd);
+ {
+ nbfun++;
+ DBGPRINTF ("writing func #%d param struct s @ %p stru @ %p '%s'",
+ nbfun, (void*) s,
+ (void*) stru, stru->u.s.tag);
+ write_func_for_structure (s, stru, param, wtd);
+ }
}
+ else
+ {
+ /* Param structure s is not pointed to, so should be ignored. */
+ DBGPRINTF ("ignored s @ %p", (void*)s);
+ }
+ if (verbosity_level >= 2)
+ printf ("%s emitted %d routines for %s\n",
+ progname, nbfun, wtd->comment);
}
static const struct write_types_data ggc_wtd = {
if (s->u.s.line.file == NULL)
continue;
-
- for (opt = s->u.s.opt; opt; opt = opt->next)
- if (strcmp (opt->name, "ptr_alias") == 0)
+ for (opt = s->u.s.opt; opt; opt = opt->next)
+ if (strcmp (opt->name, "ptr_alias") == 0
+ && opt->kind == OPTION_TYPE)
{
- const_type_p const t = (const_type_p) opt->info;
+ const_type_p const t = (const_type_p) opt->info.type;
if (t->kind == TYPE_STRUCT
|| t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT)
{
write_enum_defn (type_p structures, type_p param_structs)
{
type_p s;
+ int nbstruct = 0;
+ int nbparamstruct = 0;
if (!header_file)
return;
for (s = structures; s; s = s->next)
if (USED_BY_TYPED_GC_P (s))
{
+ nbstruct++;
+ DBGPRINTF ("write_enum_defn s @ %p nbstruct %d",
+ (void*) s, nbstruct);
+ if (UNION_OR_STRUCT_P (s))
+ DBGPRINTF ("write_enum_defn s %p #%d is unionorstruct tagged %s",
+ (void*) s, nbstruct, s->u.s.tag);
oprintf (header_file, " gt_ggc_e_");
output_mangled_typename (header_file, s);
oprintf (header_file, ",\n");
for (s = param_structs; s; s = s->next)
if (s->gc_used == GC_POINTED_TO)
{
+ nbparamstruct++;
+ DBGPRINTF ("write_enum_defn s %p nbparamstruct %d",
+ (void*) s, nbparamstruct);
oprintf (header_file, " gt_e_");
output_mangled_typename (header_file, s);
oprintf (header_file, ",\n");
}
oprintf (header_file, " gt_types_enum_last\n");
oprintf (header_file, "};\n");
+ if (verbosity_level >= 2)
+ printf ("%s handled %d GTY-ed structures & %d parameterized structures.\n",
+ progname, nbstruct, nbparamstruct);
+
}
/* Might T contain any non-pointer elements? */
}
}
-/* Mangle FN and print it to F. */
+/* Mangle INPF and print it to F. */
static void
-put_mangled_filename (outf_p f, const char *fn)
+put_mangled_filename (outf_p f, const input_file *inpf)
{
- const char *name = get_output_file_name (fn);
+ /* The call to get_output_file_name may indirectly update fn since
+ get_output_file_with_visibility caches its result inside, so we
+ need the CONST_CAST. */
+ const char *name = get_output_file_name (CONST_CAST (input_file*, inpf));
if (!f || !name)
return;
for (; *name != 0; name++)
for (fli2 = flp; fli2 && base_files; fli2 = fli2->next)
if (fli2->started_p)
{
- lang_bitmap bitmap = get_lang_bitmap (fli2->name);
+ lang_bitmap bitmap = get_lang_bitmap (fli2->file);
int fnum;
for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1)
{
oprintf (base_files[fnum],
"extern const struct %s gt_%s_", tname, pfx);
- put_mangled_filename (base_files[fnum], fli2->name);
+ put_mangled_filename (base_files[fnum], fli2->file);
oprintf (base_files[fnum], "[];\n");
}
}
for (fli2 = flp; fli2; fli2 = fli2->next)
if (fli2->started_p)
{
- lang_bitmap bitmap = get_lang_bitmap (fli2->name);
+ lang_bitmap bitmap = get_lang_bitmap (fli2->file);
int fnum;
fli2->started_p = 0;
if (bitmap & 1)
{
oprintf (base_files[fnum], " gt_%s_", pfx);
- put_mangled_filename (base_files[fnum], fli2->name);
+ put_mangled_filename (base_files[fnum], fli2->file);
oprintf (base_files[fnum], ",\n");
}
}
/* Write out to F the table entry and any marker routines needed to
mark NAME as TYPE. V can be one of three values:
- - null, if NAME is too complex to represent using a single
- count and stride. In this case, it is an error for NAME to
- contain any gc-ed data.
+ - null, if NAME is too complex to represent using a single
+ count and stride. In this case, it is an error for NAME to
+ contain any gc-ed data.
- - the outermost array that contains NAME, if NAME is part of an array.
+ - the outermost array that contains NAME, if NAME is part of an array.
- - the C variable that contains NAME, if NAME is not part of an array.
+ - the C variable that contains NAME, if NAME is not part of an array.
LINE is the line of the C source that declares the root variable.
HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED
for (o = fld->opt; o; o = o->next)
if (strcmp (o->name, "skip") == 0)
skip_p = 1;
- else if (strcmp (o->name, "desc") == 0)
- desc = o->info;
+ else if (strcmp (o->name, "desc") == 0
+ && o->kind == OPTION_STRING)
+ desc = o->info.string;
else if (strcmp (o->name, "param_is") == 0)
;
else
{
const char *tag = NULL;
options_p oo;
-
- for (oo = ufld->opt; oo; oo = oo->next)
- if (strcmp (oo->name, "tag") == 0)
- tag = oo->info;
+ for (oo = ufld->opt; oo; oo = oo->next)
+ if (strcmp (oo->name, "tag") == 0
+ && oo->kind == OPTION_STRING)
+ tag = oo->info.string;
if (tag == NULL || strcmp (tag, desc) != 0)
continue;
if (validf != NULL)
for (v = variables; v; v = v->next)
{
- outf_p f = get_output_file_with_visibility (v->line.file);
+ outf_p f =
+ get_output_file_with_visibility (CONST_CAST (input_file*,
+ v->line.file));
struct flist *fli;
const char *length = NULL;
int deletable_p = 0;
options_p o;
-
for (o = v->opt; o; o = o->next)
- if (strcmp (o->name, "length") == 0)
- length = o->info;
+ if (strcmp (o->name, "length") == 0
+ && o->kind == OPTION_STRING)
+ length = o->info.string;
else if (strcmp (o->name, "deletable") == 0)
deletable_p = 1;
else if (strcmp (o->name, "param_is") == 0)
fli->f = f;
fli->next = flp;
fli->started_p = 0;
- fli->name = v->line.file;
- gcc_assert (fli->name);
+ fli->file = v->line.file;
+ gcc_assert (fli->file);
flp = fli;
oprintf (f, "\n/* GC roots. */\n\n");
for (v = variables; v; v = v->next)
{
- outf_p f = get_output_file_with_visibility (v->line.file);
+ outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*,
+ v->line.file));
struct flist *fli;
int skip_p = 0;
int length_p = 0;
for (v = variables; v; v = v->next)
{
- outf_p f = get_output_file_with_visibility (v->line.file);
+ outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*,
+ v->line.file));
struct flist *fli;
int skip_p = 1;
options_p o;
for (v = variables; v; v = v->next)
{
- outf_p f = get_output_file_with_visibility (v->line.file);
+ outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*,
+ v->line.file));
struct flist *fli;
const char *if_marked = NULL;
int length_p = 0;
for (o = v->opt; o; o = o->next)
if (strcmp (o->name, "length") == 0)
length_p = 1;
- else if (strcmp (o->name, "if_marked") == 0)
- if_marked = o->info;
-
- if (if_marked == NULL)
+ else if (strcmp (o->name, "if_marked") == 0
+ && o->kind == OPTION_STRING)
+ if_marked = o->info.string;
+ if (if_marked == NULL)
continue;
-
if (v->type->kind != TYPE_POINTER
|| v->type->u.p->kind != TYPE_PARAM_STRUCT
|| v->type->u.p->u.param_struct.stru != find_structure ("htab", 0))
for (v = variables; v; v = v->next)
{
- outf_p f = get_output_file_with_visibility (v->line.file);
+ outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*,
+ v->line.file));
struct flist *fli;
int length_p = 0;
int if_marked_p = 0;
for (v = variables; v; v = v->next)
{
- outf_p f = get_output_file_with_visibility (v->line.file);
+ outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*,
+ v->line.file));
struct flist *fli;
int skip_p = 0;
options_p o;
else
{
t = resolve_typedef (type_name, pos);
- o = create_option (0, "length", "%h.num");
+ o = create_string_option (0, "length", "%h.num");
}
-
/* We assemble the field list in reverse order. */
fields = create_field_at (0, create_array (t, "1"), "vec", o, pos);
fields = create_field_at (fields, len_ty, "alloc", 0, pos);
we had expanded the macros in vec.h:
typedef struct VEC_<type>_<astrat> {
- VEC_<type>_base base;
+ VEC_<type>_base base;
} VEC_<type>_<astrat>;
*/
void
static void
write_splay_tree_allocator_def (const_type_p s)
{
- outf_p of = get_output_file_for_structure (s, NULL);
+ outf_p of = get_output_file_with_visibility (NULL);
oprintf (of, "void * ggc_alloc_splay_tree_");
output_typename (of, s);
oprintf (of, " (int sz, void * nl)\n");
o = opt;
while (o)
{
- printf ("%s:%s ", o->name, o->info);
+ switch (o->kind)
+ {
+ case OPTION_STRING:
+ printf ("%s:string %s ", o->name, o->info.string);
+ break;
+ case OPTION_TYPE:
+ printf ("%s:type ", o->name);
+ dump_type (indent+1, o->info.type);
+ break;
+ case OPTION_NESTED:
+ printf ("%s:nested ", o->name);
+ break;
+ case OPTION_NONE:
+ gcc_unreachable ();
+ }
o = o->next;
}
printf ("\n");
static void
dump_fileloc (int indent, struct fileloc line)
{
- printf ("%*cfileloc: file = %s, line = %d\n", indent, ' ', line.file,
+ printf ("%*cfileloc: file = %s, line = %d\n", indent, ' ',
+ get_input_file_name (line.file),
line.line);
}
printf ("End of %s\n\n", name);
}
-/* Dumps the internal structures of gengtype. */
+/* Dumps the internal structures of gengtype. This is useful to debug
+ gengtype itself, or to understand what it does, e.g. for plugin
+ developers. */
static void
dump_everything (void)
}
\f
+
+/* Option specification for getopt_long. */
+static const struct option gengtype_long_options[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"version", no_argument, NULL, 'V'},
+ {"verbose", no_argument, NULL, 'v'},
+ {"dump", no_argument, NULL, 'd'},
+ {"debug", no_argument, NULL, 'D'},
+ {"plugin", required_argument, NULL, 'P'},
+ {"srcdir", required_argument, NULL, 'S'},
+ {"backupdir", required_argument, NULL, 'B'},
+ {"inputs", required_argument, NULL, 'I'},
+ {"read-state", required_argument, NULL, 'r'},
+ {"write-state", required_argument, NULL, 'w'},
+ /* Terminating NULL placeholder. */
+ {NULL, no_argument, NULL, 0},
+};
+
+
+static void
+print_usage (void)
+{
+ printf ("Usage: %s\n", progname);
+ printf ("\t -h | --help " " \t# Give this help.\n");
+ printf ("\t -D | --debug "
+ " \t# Give debug output to debug %s itself.\n", progname);
+ printf ("\t -V | --version " " \t# Give version information.\n");
+ printf ("\t -v | --verbose \t# Increase verbosity. Can be given several times.\n");
+ printf ("\t -d | --dump " " \t# Dump state for debugging.\n");
+ printf ("\t -P | --plugin <output-file> <plugin-src> ... "
+ " \t# Generate for plugin.\n");
+ printf ("\t -S | --srcdir <GCC-directory> "
+ " \t# Specify the GCC source directory.\n");
+ printf ("\t -B | --backupdir <directory> "
+ " \t# Specify the backup directory for updated files.\n");
+ printf ("\t -I | --inputs <input-list> "
+ " \t# Specify the file with source files list.\n");
+ printf ("\t -w | --write-state <state-file> " " \t# Write a state file.\n");
+ printf ("\t -r | --read-state <state-file> " " \t# Read a state file.\n");
+}
+
+static void
+print_version (void)
+{
+ printf ("%s %s%s\n", progname, pkgversion_string, version_string);
+ printf ("Report bugs: %s\n", bug_report_url);
+}
+
+/* Parse the program options using getopt_long... */
+static void
+parse_program_options (int argc, char **argv)
+{
+ int opt = -1;
+ while ((opt = getopt_long (argc, argv, "hVvdP:S:B:I:w:r:D",
+ gengtype_long_options, NULL)) >= 0)
+ {
+ switch (opt)
+ {
+ case 'h': /* --help */
+ print_usage ();
+ break;
+ case 'V': /* --version */
+ print_version ();
+ break;
+ case 'd': /* --dump */
+ do_dump = 1;
+ break;
+ case 'D': /* --debug */
+ do_debug = 1;
+ break;
+ case 'v': /* --verbose */
+ verbosity_level++;
+ break;
+ case 'P': /* --plugin */
+ if (optarg)
+ plugin_output_filename = optarg;
+ else
+ fatal ("missing plugin output file name");
+ break;
+ case 'S': /* --srcdir */
+ if (optarg)
+ srcdir = optarg;
+ else
+ fatal ("missing source directory");
+ srcdir_len = strlen (srcdir);
+ break;
+ case 'B': /* --backupdir */
+ if (optarg)
+ backup_dir = optarg;
+ else
+ fatal ("missing backup directory");
+ break;
+ case 'I': /* --inputs */
+ if (optarg)
+ inputlist = optarg;
+ else
+ fatal ("missing input list");
+ break;
+ case 'r': /* --read-state */
+ if (optarg)
+ read_state_filename = optarg;
+ else
+ fatal ("missing read state file");
+ DBGPRINTF ("read state %s\n", optarg);
+ break;
+ case 'w': /* --write-state */
+ DBGPRINTF ("write state %s\n", optarg);
+ if (optarg)
+ write_state_filename = optarg;
+ else
+ fatal ("missing write state file");
+ break;
+ default:
+ fprintf (stderr, "%s: unknown flag '%c'\n", progname, opt);
+ print_usage ();
+ fatal ("unexpected flag");
+ }
+ };
+ if (plugin_output_filename)
+ {
+ /* In plugin mode we require some input files. */
+ int i = 0;
+ if (optind >= argc)
+ fatal ("no source files given in plugin mode");
+ nb_plugin_files = argc - optind;
+ plugin_files = XNEWVEC (input_file*, nb_plugin_files);
+ for (i = 0; i < (int) nb_plugin_files; i++)
+ {
+ char *name = argv[i + optind];
+ plugin_files[i] = input_file_by_name (name);
+ }
+ }
+}
+
+
+\f
+/******* Manage input files. ******/
+
+/* Hash table of unique input file names. */
+static htab_t input_file_htab;
+
+/* Find or allocate a new input_file by hash-consing it. */
+input_file*
+input_file_by_name (const char* name)
+{
+ PTR* slot;
+ input_file* f = NULL;
+ int namlen = 0;
+ if (!name)
+ return NULL;
+ namlen = strlen (name);
+ f = XCNEWVAR (input_file, sizeof (input_file)+namlen+2);
+ f->inpbitmap = 0;
+ f->inpoutf = NULL;
+ strcpy (f->inpname, name);
+ slot = htab_find_slot (input_file_htab, f, INSERT);
+ gcc_assert (slot != NULL);
+ if (*slot)
+ {
+ /* Already known input file. */
+ free (f);
+ return (input_file*)(*slot);
+ }
+ /* New input file. */
+ *slot = f;
+ return f;
+ }
+
+/* Hash table support routines for input_file-s. */
+static hashval_t
+htab_hash_inputfile (const void *p)
+{
+ const input_file *inpf = (const input_file *) p;
+ gcc_assert (inpf);
+ return htab_hash_string (get_input_file_name (inpf));
+}
+
+static int
+htab_eq_inputfile (const void *x, const void *y)
+{
+ const input_file *inpfx = (const input_file *) x;
+ const input_file *inpfy = (const input_file *) y;
+ gcc_assert (inpfx != NULL && inpfy != NULL);
+ return !strcmp (get_input_file_name (inpfx), get_input_file_name (inpfy));
+}
+
+
int
main (int argc, char **argv)
{
size_t i;
- static struct fileloc pos = { this_file, 0 };
- char *inputlist = 0;
- int do_dump = 0;
+ static struct fileloc pos = { NULL, 0 };
outf_p output_header;
- char *plugin_output_filename = NULL;
- /* fatal uses this */
- progname = "gengtype";
- if (argc >= 2 && !strcmp (argv[1], "-d"))
+ /* Mandatory common initializations. */
+ progname = "gengtype"; /* For fatal and messages. */
+ /* Create the hash-table used to hash-cons input files. */
+ input_file_htab =
+ htab_create (800, htab_hash_inputfile, htab_eq_inputfile, NULL);
+ /* Initialize our special input files. */
+ this_file = input_file_by_name (__FILE__);
+ system_h_file = input_file_by_name ("system.h");
+ /* Set the scalar_is_char union number for predefined scalar types. */
+ scalar_nonchar.u.scalar_is_char = FALSE;
+ scalar_char.u.scalar_is_char = TRUE;
+
+ parse_program_options (argc, argv);
+
+#if ENABLE_CHECKING
+ if (do_debug)
{
- do_dump = 1;
- argv = &argv[1];
- argc--;
+ time_t now = (time_t) 0;
+ time (&now);
+ DBGPRINTF ("gengtype started pid %d at %s",
+ (int) getpid (), ctime (&now));
}
+#endif /* ENABLE_CHECKING */
- if (argc >= 6 && !strcmp (argv[1], "-P"))
+ /* Parse the input list and the input files. */
+ DBGPRINTF ("inputlist %s", inputlist);
+ if (read_state_filename)
{
- plugin_output_filename = argv[2];
- plugin_output = create_file ("GCC", plugin_output_filename);
- srcdir = argv[3];
- inputlist = argv[4];
- nb_plugin_files = argc - 5;
- plugin_files = XCNEWVEC (char *, nb_plugin_files);
- for (i = 0; i < nb_plugin_files; i++)
- {
- /* Place an all zero lang_bitmap before the plugin file
- name. */
- char *name = argv[i + 5];
- int len = strlen (name) + 1 + sizeof (lang_bitmap);
- plugin_files[i] = XCNEWVEC (char, len) + sizeof (lang_bitmap);
- strcpy (plugin_files[i], name);
- }
+ if (inputlist)
+ fatal ("input list %s cannot be given with a read state file %s",
+ inputlist, read_state_filename);
+ read_state (read_state_filename);
+ DBGPRINT_COUNT_TYPE ("structures after read_state", structures);
+ DBGPRINT_COUNT_TYPE ("param_structs after read_state", param_structs);
}
- else if (argc == 3)
+ else if (inputlist)
{
- srcdir = argv[1];
- inputlist = argv[2];
- }
- else
- fatal ("usage: gengtype [-d] [-P pluginout.h] srcdir input-list "
- "[file1 file2 ... fileN]");
+ /* These types are set up with #define or else outside of where
+ we can see them. We should initialize them before calling
+ read_input_list. */
+#define POS_HERE(Call) do { pos.file = this_file; pos.line = __LINE__; \
+ Call;} while(0)
+ POS_HERE (do_scalar_typedef ("CUMULATIVE_ARGS", &pos));
+ POS_HERE (do_scalar_typedef ("REAL_VALUE_TYPE", &pos));
+ POS_HERE (do_scalar_typedef ("FIXED_VALUE_TYPE", &pos));
+ POS_HERE (do_scalar_typedef ("double_int", &pos));
+ POS_HERE (do_scalar_typedef ("uint64_t", &pos));
+ POS_HERE (do_scalar_typedef ("uint8", &pos));
+ POS_HERE (do_scalar_typedef ("jword", &pos));
+ POS_HERE (do_scalar_typedef ("JCF_u2", &pos));
+ POS_HERE (do_scalar_typedef ("void", &pos));
+ POS_HERE (do_typedef ("PTR",
+ create_pointer (resolve_typedef ("void", &pos)),
+ &pos));
+#undef POS_HERE
+ read_input_list (inputlist);
+ for (i = 0; i < num_gt_files; i++)
+ {
+ parse_file (get_input_file_name (gt_files[i]));
+ DBGPRINTF ("parsed file #%d %s",
+ (int) i, get_input_file_name (gt_files[i]));
+ }
+ if (verbosity_level >= 1)
+ printf ("%s parsed %d files with %d GTY types\n",
+ progname, (int) num_gt_files, type_count);
- srcdir_len = strlen (srcdir);
+ DBGPRINT_COUNT_TYPE ("structures after parsing", structures);
+ DBGPRINT_COUNT_TYPE ("param_structs after parsing", param_structs);
- read_input_list (inputlist);
+ }
+ else
+ fatal ("either an input list or a read state file should be given");
if (hit_error)
return 1;
- scalar_char.u.scalar_is_char = true;
- scalar_nonchar.u.scalar_is_char = false;
- gen_rtx_next ();
- /* These types are set up with #define or else outside of where
- we can see them. */
- pos.line = __LINE__ + 1;
- do_scalar_typedef ("CUMULATIVE_ARGS", &pos);
- pos.line++;
- do_scalar_typedef ("REAL_VALUE_TYPE", &pos);
- pos.line++;
- do_scalar_typedef ("FIXED_VALUE_TYPE", &pos);
- pos.line++;
- do_scalar_typedef ("double_int", &pos);
- pos.line++;
- do_scalar_typedef ("uint64_t", &pos);
- pos.line++;
- do_scalar_typedef ("uint8", &pos);
- pos.line++;
- do_scalar_typedef ("jword", &pos);
- pos.line++;
- do_scalar_typedef ("JCF_u2", &pos);
- pos.line++;
- do_scalar_typedef ("void", &pos);
- pos.line++;
- do_typedef ("PTR", create_pointer (resolve_typedef ("void", &pos)), &pos);
-
- for (i = 0; i < num_gt_files; i++)
- parse_file (gt_files[i]);
+ if (plugin_output_filename)
+ {
+ size_t ix = 0;
+ /* In plugin mode, we should have read a state file, and have
+ given at least one plugin file. */
+ if (!read_state_filename)
+ fatal ("No read state given in plugin mode for %s",
+ plugin_output_filename);
+
+ if (nb_plugin_files == 0 || !plugin_files)
+ fatal ("No plugin files given in plugin mode for %s",
+ plugin_output_filename);
+
+ /* Parse our plugin files and augment the state. */
+ for (ix = 0; ix < nb_plugin_files; ix++)
+ parse_file (get_input_file_name (plugin_files[ix]));
+ if (hit_error)
+ return 1;
+
+ plugin_output = create_file ("GCC", plugin_output_filename);
+ DBGPRINTF ("created plugin_output %p named %s",
+ (void *) plugin_output, plugin_output->name);
+ }
+ else
+ { /* No plugin files, we are in normal mode. */
+ if (!srcdir)
+ fatal ("gengtype needs a source directory in normal mode");
+ }
if (hit_error)
return 1;
+ gen_rtx_next ();
+
+ /* The call to set_gc_used may indirectly call find_param_structure
+ hence enlarge the param_structs list of types. */
set_gc_used (variables);
+ /* The state at this point is read from the state input file or by
+ parsing source files and optionally augmented by parsing plugin
+ source files. Write it now. */
+ if (write_state_filename)
+ {
+ DBGPRINT_COUNT_TYPE ("structures before write_state", structures);
+ DBGPRINT_COUNT_TYPE ("param_structs before write_state", param_structs);
+
+ if (hit_error)
+ fatal ("didn't write state file %s after errors",
+ write_state_filename);
+
+ DBGPRINTF ("before write_state %s", write_state_filename);
+ write_state (write_state_filename);
+
+ if (do_dump)
+ dump_everything ();
+
+ /* After having written the state file we return immediately to
+ avoid generating any output file. */
+ if (hit_error)
+ return 1;
+ else
+ return 0;
+ }
+
+
open_base_files ();
+
write_enum_defn (structures, param_structs);
write_typed_alloc_defns (structures, typedefs);
output_header = plugin_output ? plugin_output : header_file;
+ DBGPRINT_COUNT_TYPE ("structures before write_types outputheader",
+ structures);
+ DBGPRINT_COUNT_TYPE ("param_structs before write_types outputheader",
+ param_structs);
+
write_types (output_header, structures, param_structs, &ggc_wtd);
if (plugin_files == NULL)
{
+ DBGPRINT_COUNT_TYPE ("structures before write_types headerfil",
+ structures);
+ DBGPRINT_COUNT_TYPE ("param_structs before write_types headerfil",
+ param_structs);
write_types (header_file, structures, param_structs, &pch_wtd);
write_local (header_file, structures, param_structs);
}
if (do_dump)
dump_everything ();
- if (plugin_files)
- {
- for (i = 0; i < nb_plugin_files; i++)
- free (plugin_files[i] - sizeof (lang_bitmap));
- free (plugin_files);
- }
+ /* Don't bother about free-ing any input or plugin file, etc. */
if (hit_error)
return 1;
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