/* Part of CPP library. (Precompiled header reading/writing.)
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2000-2016 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
return 1;
case NT_MACRO:
- if ((hn->flags & NODE_BUILTIN))
+ if ((hn->flags & NODE_BUILTIN)
+ && (!pfile->cb.user_builtin_macro
+ || !pfile->cb.user_builtin_macro (pfile, hn)))
return 1;
{
&& 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. */
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 (source_location), 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 (source_location), 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;
}
|| h->flags & NODE_POISONED)
{
if (CPP_OPTION (r, warn_invalid_pch))
- cpp_error (r, CPP_DL_WARNING_SYSHDR,
- "%s: not used because `%.*s' is poisoned",
- name, m.name_length, namebuf);
+ cpp_warning_syshdr (r, CPP_W_INVALID_PCH,
+ "%s: not used because `%.*s' is poisoned",
+ name, m.name_length, namebuf);
goto fail;
}
continue;
if (CPP_OPTION (r, warn_invalid_pch))
- cpp_error (r, CPP_DL_WARNING_SYSHDR,
- "%s: not used because `%.*s' not defined",
- name, m.name_length, namebuf);
+ cpp_warning_syshdr (r, CPP_W_INVALID_PCH,
+ "%s: not used because `%.*s' not defined",
+ name, m.name_length, namebuf);
goto fail;
}
|| memcmp (namebuf, newdefn, m.definition_length) != 0)
{
if (CPP_OPTION (r, warn_invalid_pch))
- cpp_error (r, CPP_DL_WARNING_SYSHDR,
+ cpp_warning_syshdr (r, CPP_W_INVALID_PCH,
"%s: not used because `%.*s' defined as `%s' not `%.*s'",
name, m.name_length, namebuf, newdefn + m.name_length,
m.definition_length - m.name_length,
else
{
if (CPP_OPTION (r, warn_invalid_pch))
- cpp_error (r, CPP_DL_WARNING_SYSHDR,
- "%s: not used because `%s' is defined",
- name, first);
+ cpp_warning_syshdr (r, CPP_W_INVALID_PCH,
+ "%s: not used because `%s' is defined",
+ name, first);
goto fail;
}
}
if (counter && r->counter)
{
if (CPP_OPTION (r, warn_invalid_pch))
- cpp_error (r, CPP_DL_WARNING_SYSHDR,
- "%s: not used because `__COUNTER__' is invalid",
- name);
- goto fail;
+ cpp_warning_syshdr (r, CPP_W_INVALID_PCH,
+ "%s: not used because `__COUNTER__' is invalid",
+ name);
+ 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->flags & NODE_BUILTIN)
+ && h->type == NT_MACRO
+ && r->cb.user_builtin_macro)
+ r->cb.user_builtin_macro (r, h);
+
if (h->type != NT_VOID
&& (h->flags & NODE_BUILTIN) == 0)
{
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__has_include__ = cpp_lookup (r, DSC("__has_include__"));
+ s->n__has_include_next__ = cpp_lookup (r, DSC("__has_include_next__"));
}
old_state = r->state;