/* Part of CPP library. (Precompiled header reading/writing.)
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2000-2020 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
write_macdef (cpp_reader *pfile, cpp_hashnode *hn, void *file_p)
{
FILE *f = (FILE *) file_p;
+ bool is_void = false;
switch (hn->type)
{
case NT_VOID:
if (! (hn->flags & NODE_POISONED))
return 1;
+ is_void = true;
+ goto poisoned;
- case NT_MACRO:
- if ((hn->flags & NODE_BUILTIN))
- return 1;
-
- {
- struct macrodef_struct s;
- const unsigned char *defn;
+ case NT_BUILTIN_MACRO:
+ return 1;
- s.name_length = NODE_LEN (hn);
- s.flags = hn->flags & NODE_POISONED;
+ case NT_USER_MACRO:
+ if (hn->value.macro->kind != cmk_assert)
+ {
+ poisoned:
+ struct macrodef_struct s;
+ const unsigned char *defn;
- if (hn->type == NT_MACRO)
- {
- defn = cpp_macro_definition (pfile, hn);
- s.definition_length = ustrlen (defn);
- }
- else
- {
- defn = NODE_NAME (hn);
- s.definition_length = s.name_length;
- }
+ s.name_length = NODE_LEN (hn);
+ s.flags = hn->flags & NODE_POISONED;
- if (fwrite (&s, sizeof (s), 1, f) != 1
- || fwrite (defn, 1, s.definition_length, f) != s.definition_length)
- {
- cpp_errno (pfile, CPP_DL_ERROR,
- "while writing precompiled header");
- return 0;
- }
- }
- return 1;
+ if (is_void)
+ {
+ defn = NODE_NAME (hn);
+ s.definition_length = s.name_length;
+ }
+ else
+ {
+ defn = cpp_macro_definition (pfile, hn);
+ s.definition_length = ustrlen (defn);
+ }
- case NT_ASSERTION:
- /* Not currently implemented. */
+ if (fwrite (&s, sizeof (s), 1, f) != 1
+ || fwrite (defn, 1, s.definition_length, f) != s.definition_length)
+ {
+ cpp_errno (pfile, CPP_DL_ERROR,
+ "while writing precompiled header");
+ return 0;
+ }
+ }
return 1;
default:
&& memcmp (a->text, b->text, a->len) == 0);
}
+/* Free memory associated with cpp_string. */
+
+static void
+cpp_string_free (void *a_p)
+{
+ struct cpp_string *a = (struct cpp_string *) a_p;
+ free ((void *) a->text);
+ free (a);
+}
+
/* Save the current definitions of the cpp_reader for dependency
checking purposes. When writing a precompiled header, this should
be called at the same point in the compilation as cpp_valid_state
/* Save the list of non-void identifiers for the dependency checking. */
r->savedstate = XNEW (struct cpp_savedstate);
r->savedstate->definedhash = htab_create (100, cpp_string_hash,
- cpp_string_eq, NULL);
+ cpp_string_eq, cpp_string_free);
cpp_forall_identifiers (r, save_idents, r->savedstate);
/* Write out the list of defined identifiers. */
switch (hn->type)
{
- case NT_MACRO:
- if (hn->flags & NODE_BUILTIN)
+ case NT_BUILTIN_MACRO:
+ return 1;
+
+ case NT_USER_MACRO:
+ if (hn->value.macro->kind == cmk_assert)
return 1;
- /* else fall through. */
+ /* fall through. */
case NT_VOID:
{
}
return 1;
- case NT_ASSERTION:
- /* Not currently implemented. */
- return 1;
-
default:
abort ();
}
switch (hn->type)
{
- case NT_MACRO:
- if (hn->flags & NODE_BUILTIN)
+ case NT_BUILTIN_MACRO:
+ return 1;
+
+ case NT_USER_MACRO:
+ if (hn->value.macro->kind == cmk_assert)
return 1;
- /* else fall through. */
+ /* fall through. */
case NT_VOID:
{
}
return 1;
- case NT_ASSERTION:
- /* Not currently implemented. */
- return 1;
-
default:
abort ();
}
return -1;
}
free (ss->definedstrs);
+ free (ss->defs);
+ htab_delete (ss->definedhash);
/* Free the saved state. */
free (ss);
size_t i;
struct def_pragma_macro *p;
size_t nlen;
- cpp_hashnode *h = NULL;
- cpp_macro *m;
uchar *defn;
size_t defnlen;
if (fread (&nlen, sizeof (nlen), 1, f) != 1)
return 0;
p = XNEW (struct def_pragma_macro);
+ memset (p, 0, sizeof (struct def_pragma_macro));
p->name = XNEWVAR (char, nlen + 1);
p->name[nlen] = 0;
if (fread (p->name, nlen, 1, f) != 1)
return 0;
- /* Save old state. */
- m = cpp_push_definition (r, p->name);
if (fread (&defnlen, sizeof (defnlen), 1, f) != 1)
return 0;
- defn = XNEWVAR (uchar, defnlen + 2);
- defn[defnlen] = '\n';
- defn[defnlen + 1] = 0;
-
- if (fread (defn, defnlen, 1, f) != 1)
- return 0;
- cpp_pop_definition (r, p->name, NULL);
- {
- size_t namelen;
- uchar *dn;
+ if (defnlen == 0)
+ p->is_undef = 1;
+ else
+ {
+ defn = XNEWVEC (uchar, defnlen + 1);
+ defn[defnlen] = 0;
- namelen = ustrcspn (defn, "( \n");
- h = cpp_lookup (r, defn, namelen);
- dn = defn + namelen;
+ if (fread (defn, defnlen, 1, f) != 1)
+ return 0;
- h->type = NT_VOID;
- h->flags &= ~(NODE_POISONED|NODE_BUILTIN|NODE_DISABLED|NODE_USED);
- if (cpp_push_buffer (r, dn, ustrchr (dn, '\n') - dn, true)
- != NULL)
- {
- _cpp_clean_line (r);
- if (!_cpp_create_definition (r, h))
- abort ();
- _cpp_pop_buffer (r);
- }
- else
- abort ();
- }
- p->value = cpp_push_definition (r, p->name);
+ p->definition = defn;
+ if (fread (&(p->line), sizeof (location_t), 1, f) != 1)
+ return 0;
+ defnlen = 0;
+ if (fread (&defnlen, sizeof (defnlen), 1, f) != 1)
+ return 0;
+ p->syshdr = ((defnlen & 1) != 0 ? 1 : 0);
+ p->used = ((defnlen & 2) != 0 ? 1 : 0);
+ }
- free (defn);
p->next = r->pushed_macros;
r->pushed_macros = p;
- /* Restore current state. */
- cpp_pop_definition (r, p->name, m);
}
return 1;
}
size_t count_saved = 0;
size_t i;
struct def_pragma_macro *p,**pp;
- cpp_hashnode *node;
- cpp_macro *m;
size_t defnlen;
- const uchar *defn;
/* Get count. */
p = r->pushed_macros;
}
for (i = 0; i < count_saved; i++)
{
- /* Save old state. */
- m = cpp_push_definition (r, pp[i]->name);
- /* Set temporary macro name to saved state. */
- cpp_pop_definition (r, pp[i]->name, pp[i]->value);
- node = _cpp_lex_identifier (r, pp[i]->name);
defnlen = strlen (pp[i]->name);
if (fwrite (&defnlen, sizeof (size_t), 1, f) != 1
|| fwrite (pp[i]->name, defnlen, 1, f) != 1)
return 0;
- defn = cpp_macro_definition (r, node);
- defnlen = ustrlen (defn);
- if (fwrite (&defnlen, sizeof (size_t), 1, f) != 1
- || fwrite (defn, defnlen, 1, f) != 1)
- return 0;
- /* Restore current state. */
- cpp_pop_definition (r, pp[i]->name, m);
+ if (pp[i]->is_undef)
+ {
+ defnlen = 0;
+ if (fwrite (&defnlen, sizeof (size_t), 1, f) != 1)
+ return 0;
+ }
+ else
+ {
+ defnlen = ustrlen (pp[i]->definition);
+ if (fwrite (&defnlen, sizeof (size_t), 1, f) != 1
+ || fwrite (pp[i]->definition, defnlen, 1, f) != 1)
+ return 0;
+ if (fwrite (&(pp[i]->line), sizeof (location_t), 1, f) != 1)
+ return 0;
+ defnlen = 0;
+ defnlen |= (pp[i]->syshdr != 0 ? 1 : 0);
+ defnlen |= (pp[i]->used != 0 ? 2 : 0);
+ if (fwrite (&defnlen, sizeof (defnlen), 1, f) != 1)
+ return 0;
+ }
}
return 1;
}
goto fail;
}
- if (h->type != NT_MACRO)
+ if (h->type == NT_VOID)
{
/* It's ok if __GCC_HAVE_DWARF2_CFI_ASM becomes undefined,
as in, when the PCH file is created with -g and we're
attempting to use it without -g. Restoring the PCH file
is supposed to bring in this definition *and* enable the
generation of call frame information, so that precompiled
- definitions that take this macro into accout, to decide
+ definitions that take this macro into account, to decide
what asm to emit, won't issue .cfi directives when the
compiler doesn't. */
if (!(h->flags & NODE_USED)
cpp_warning_syshdr (r, CPP_W_INVALID_PCH,
"%s: not used because `__COUNTER__' is invalid",
name);
- goto fail;
+ goto fail;
}
/* We win! */
error:
cpp_errno (r, CPP_DL_ERROR, "while reading precompiled header");
- return -1;
fail:
- if (namebuf != NULL)
- free (namebuf);
- if (undeftab != NULL)
- free (undeftab);
- if (nl.defs != NULL)
- free (nl.defs);
+ free (namebuf);
+ free (undeftab);
+ free (nl.defs);
return 1;
}
save_macros (cpp_reader *r, cpp_hashnode *h, void *data_p)
{
struct save_macro_data *data = (struct save_macro_data *)data_p;
- if (h->type != NT_VOID
- && (h->flags & NODE_BUILTIN) == 0)
+
+ if (cpp_user_macro_p (h))
{
if (data->count == data->array_size)
{
data->defns = XRESIZEVEC (uchar *, data->defns, (data->array_size));
}
- switch (h->type)
- {
- case NT_ASSERTION:
- /* Not currently implemented. */
- return 1;
-
- case NT_MACRO:
- {
- const uchar * defn = cpp_macro_definition (r, h);
- size_t defnlen = ustrlen (defn);
-
- data->defns[data->count] = (uchar *) xmemdup (defn, defnlen,
- defnlen + 2);
- data->defns[data->count][defnlen] = '\n';
- }
- break;
+ const uchar * defn = cpp_macro_definition (r, h);
+ size_t defnlen = ustrlen (defn);
- default:
- abort ();
- }
+ data->defns[data->count] = (uchar *) xmemdup (defn, defnlen, defnlen + 2);
+ data->defns[data->count][defnlen] = '\n';
data->count++;
}
+
return 1;
}
s->n_true = cpp_lookup (r, DSC("true"));
s->n_false = cpp_lookup (r, DSC("false"));
s->n__VA_ARGS__ = cpp_lookup (r, DSC("__VA_ARGS__"));
+ s->n__VA_OPT__ = cpp_lookup (r, DSC("__VA_OPT__"));
}
old_state = r->state;
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