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ravi/dmr_c/src/symbol.c

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/*
* Symbol lookup and handling.
*
* Copyright (C) 2003 Transmeta Corp.
* 2003-2004 Linus Torvalds
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/*
* This version is part of the dmr_c project.
* Copyright (C) 2017 Dibyendu Majumdar
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <port.h>
#include <lib.h>
#include <allocate.h>
#include <ptrlist.h>
#include <token.h>
#include <parse.h>
#include <symbol.h>
#include <scope.h>
#include <expression.h>
#include <target.h>
/*
* If the symbol is an inline symbol, add it to the list of symbols to parse
*/
void dmrC_access_symbol(struct global_symbols_t *S, struct symbol *sym)
{
if (sym->ctype.modifiers & MOD_INLINE) {
if (!(sym->ctype.modifiers & MOD_ACCESSED)) {
dmrC_add_symbol(S->C, &S->translation_unit_used_list, sym);
sym->ctype.modifiers |= MOD_ACCESSED;
}
}
}
struct symbol *dmrC_lookup_symbol(struct ident *ident, enum namespace_type ns)
{
struct symbol *sym;
for (sym = ident->symbols; sym; sym = sym->next_id) {
if (sym->ns & ns) {
sym->used = 1;
return sym;
}
}
return NULL;
}
struct context *dmrC_alloc_context(struct global_symbols_t *S)
{
return (struct context *)dmrC_allocator_allocate(&S->context_allocator, 0);
}
struct symbol *dmrC_alloc_symbol(struct global_symbols_t *S, struct position pos, int type)
{
struct symbol *sym = (struct symbol *) dmrC_allocator_allocate(&S->symbol_allocator, 0);
sym->type = type;
sym->pos = pos;
sym->endpos.type = 0;
return sym;
}
struct struct_union_info {
unsigned long max_align;
unsigned long bit_size;
int align_size;
};
/*
* Unions are fairly easy to lay out ;)
*/
static void lay_out_union(struct global_symbols_t *S, struct symbol *sym, struct struct_union_info *info)
{
dmrC_examine_symbol_type(S, sym);
// Unnamed bitfields do not affect alignment.
if (sym->ident || !dmrC_is_bitfield_type(sym)) {
if (sym->ctype.alignment > info->max_align)
info->max_align = sym->ctype.alignment;
}
if (sym->bit_size > (int) info->bit_size)
info->bit_size = sym->bit_size;
sym->offset = 0;
}
static int bitfield_base_size(struct symbol *sym)
{
if (sym->type == SYM_NODE)
sym = sym->ctype.base_type;
if (sym->type == SYM_BITFIELD)
sym = sym->ctype.base_type;
return sym->bit_size;
}
/*
* Structures are a bit more interesting to lay out
*/
static void lay_out_struct(struct global_symbols_t *S, struct symbol *sym, struct struct_union_info *info)
{
unsigned long bit_size, align_bit_mask;
int base_size;
dmrC_examine_symbol_type(S, sym);
// Unnamed bitfields do not affect alignment.
if (sym->ident || !dmrC_is_bitfield_type(sym)) {
if (sym->ctype.alignment > info->max_align)
info->max_align = sym->ctype.alignment;
}
bit_size = info->bit_size;
base_size = sym->bit_size;
/*
* Unsized arrays cause us to not align the resulting
* structure size
*/
if (base_size < 0) {
info->align_size = 0;
base_size = 0;
}
align_bit_mask = dmrC_bytes_to_bits(S->C->target, sym->ctype.alignment) - 1;
/*
* Bitfields have some very special rules..
*/
if (dmrC_is_bitfield_type (sym)) {
unsigned long bit_offset = bit_size & align_bit_mask;
int room = bitfield_base_size(sym) - bit_offset;
// Zero-width fields just fill up the unit.
int width = base_size ? base_size : (bit_offset ? room : 0);
if (width > room) {
bit_size = (bit_size + align_bit_mask) & ~align_bit_mask;
bit_offset = 0;
}
sym->offset = dmrC_bits_to_bytes(S->C->target, bit_size - bit_offset);
sym->bit_offset = bit_offset;
sym->ctype.base_type->bit_offset = bit_offset;
info->bit_size = bit_size + width;
// dmrC_warning (sym->pos, "bitfield: offset=%d:%d size=:%d", sym->offset, sym->bit_offset, width);
return;
}
/*
* Otherwise, just align it right and add it up..
*/
bit_size = (bit_size + align_bit_mask) & ~align_bit_mask;
sym->offset = dmrC_bits_to_bytes(S->C->target, bit_size);
info->bit_size = bit_size + base_size;
// dmrC_warning (sym->pos, "regular: offset=%d", sym->offset);
}
static struct symbol * examine_struct_union_type(struct global_symbols_t *S, struct symbol *sym, int advance)
{
struct struct_union_info info = {
.max_align = 1,
.bit_size = 0,
.align_size = 1
};
unsigned long bit_size, bit_align;
void (*fn)(struct global_symbols_t *S, struct symbol *, struct struct_union_info *);
struct symbol *member;
fn = advance ? lay_out_struct : lay_out_union;
FOR_EACH_PTR(sym->symbol_list, member) {
fn(S, member, &info);
} END_FOR_EACH_PTR(member);
if (!sym->ctype.alignment)
sym->ctype.alignment = info.max_align;
bit_size = info.bit_size;
if (info.align_size) {
bit_align = dmrC_bytes_to_bits(S->C->target, sym->ctype.alignment)-1;
bit_size = (bit_size + bit_align) & ~bit_align;
}
sym->bit_size = bit_size;
return sym;
}
static struct symbol *examine_base_type(struct global_symbols_t *S, struct symbol *sym)
{
struct symbol *base_type;
/* Check the base type */
base_type = dmrC_examine_symbol_type(S, sym->ctype.base_type);
if (!base_type || base_type->type == SYM_PTR)
return base_type;
sym->ctype.as |= base_type->ctype.as;
sym->ctype.modifiers |= base_type->ctype.modifiers & MOD_PTRINHERIT;
dmrC_concat_context_list(base_type->ctype.contexts,
&sym->ctype.contexts);
if (base_type->type == SYM_NODE) {
base_type = base_type->ctype.base_type;
sym->ctype.base_type = base_type;
}
return base_type;
}
static struct symbol * examine_array_type(struct global_symbols_t *S, struct symbol *sym)
{
struct symbol *base_type = examine_base_type(S, sym);
unsigned int bit_size = -1, alignment;
struct expression *array_size = sym->array_size;
if (!base_type)
return sym;
if (array_size) {
bit_size = (unsigned int) dmrC_array_element_offset(S->C->target, base_type->bit_size,
(int) dmrC_get_expression_value_silent(S->C, array_size));
if (array_size->type != EXPR_VALUE) {
if (S->C->Wvla)
dmrC_warning(S->C, array_size->pos, "Variable length array is used.");
bit_size = -1;
}
}
alignment = base_type->ctype.alignment;
if (!sym->ctype.alignment)
sym->ctype.alignment = alignment;
sym->bit_size = bit_size;
return sym;
}
static struct symbol *examine_bitfield_type(struct global_symbols_t *S, struct symbol *sym)
{
struct symbol *base_type = examine_base_type(S, sym);
unsigned long bit_size, alignment, modifiers;
if (!base_type)
return sym;
bit_size = base_type->bit_size;
if (sym->bit_size > (int) bit_size)
dmrC_warning(S->C, sym->pos, "impossible field-width, %d, for this type", sym->bit_size);
alignment = base_type->ctype.alignment;
if (!sym->ctype.alignment)
sym->ctype.alignment = alignment;
modifiers = base_type->ctype.modifiers;
/* Bitfields are unsigned, unless the base type was explicitly signed */
if (!(modifiers & MOD_EXPLICITLY_SIGNED))
modifiers = (modifiers & ~MOD_SIGNED) | MOD_UNSIGNED;
sym->ctype.modifiers |= modifiers & MOD_SIGNEDNESS;
return sym;
}
/*
* "typeof" will have to merge the types together
*/
void dmrC_merge_type(struct symbol *sym, struct symbol *base_type)
{
sym->ctype.as |= base_type->ctype.as;
sym->ctype.modifiers |= (base_type->ctype.modifiers & ~MOD_STORAGE);
dmrC_concat_context_list(base_type->ctype.contexts,
&sym->ctype.contexts);
sym->ctype.base_type = base_type->ctype.base_type;
if (sym->ctype.base_type->type == SYM_NODE)
dmrC_merge_type(sym, sym->ctype.base_type);
}
static int count_array_initializer(struct global_symbols_t *S, struct symbol *t, struct expression *expr)
{
int nr = 0;
int is_char = 0;
/*
* Arrays of character types are special; they can be initialized by
* string literal _or_ by string literal in braces. The latter means
* that with T x[] = {<string literal>} number of elements in x depends
* on T - if it's a character type, we get the length of string literal
* (including NUL), otherwise we have one element here.
*/
if (t->ctype.base_type == &S->int_type && t->ctype.modifiers & MOD_CHAR)
is_char = 1;
switch (expr->type) {
case EXPR_INITIALIZER: {
struct expression *entry;
int count = 0;
int str_len = 0;
FOR_EACH_PTR(expr->expr_list, entry) {
count++;
switch (entry->type) {
case EXPR_INDEX:
if ((int)entry->idx_to >= nr)
nr = entry->idx_to+1;
break;
case EXPR_PREOP: {
struct expression *e = entry;
if (is_char) {
while (e && e->type == EXPR_PREOP && e->op == '(')
e = e->unop;
if (e && e->type == EXPR_STRING) {
entry = e;
case EXPR_STRING:
if (is_char)
str_len = entry->string->length;
}
}
}
default:
nr++;
}
} END_FOR_EACH_PTR(entry);
if (count == 1 && str_len)
nr = str_len;
break;
}
case EXPR_PREOP:
if (is_char) {
struct expression *e = expr;
while (e && e->type == EXPR_PREOP && e->op == '(')
e = e->unop;
if (e && e->type == EXPR_STRING) {
expr = e;
case EXPR_STRING:
if (is_char)
nr = expr->string->length;
}
}
break;
default:
break;
}
return nr;
}
static struct expression *get_symbol_initializer(struct symbol *sym)
{
do {
if (sym->initializer)
return sym->initializer;
} while ((sym = sym->same_symbol) != NULL);
return NULL;
}
static struct symbol * examine_node_type(struct global_symbols_t *S, struct symbol *sym)
{
struct symbol *base_type = examine_base_type(S, sym);
int bit_size;
unsigned long alignment;
/* SYM_NODE - figure out what the type of the node was.. */
bit_size = 0;
alignment = 0;
if (!base_type)
return sym;
bit_size = base_type->bit_size;
alignment = base_type->ctype.alignment;
/* Pick up signedness information into the node */
sym->ctype.modifiers |= (MOD_SIGNEDNESS & base_type->ctype.modifiers);
if (!sym->ctype.alignment)
sym->ctype.alignment = alignment;
/* Unsized array? The size might come from the initializer.. */
if (bit_size < 0 && base_type->type == SYM_ARRAY) {
struct expression *initializer = get_symbol_initializer(sym);
if (initializer) {
struct symbol *node_type = base_type->ctype.base_type;
int count = count_array_initializer(S, node_type, initializer);
if (node_type && node_type->bit_size >= 0)
bit_size = (int) dmrC_array_element_offset(S->C->target, node_type->bit_size, count);
/* Note that the bit_size will be set on parent SYM_NODE rather than here */
//base_type->bit_size = bit_size;
}
}
sym->bit_size = bit_size;
return sym;
}
static struct symbol *examine_enum_type(struct global_symbols_t *S, struct symbol *sym)
{
struct symbol *base_type = examine_base_type(S, sym);
sym->ctype.modifiers |= (base_type->ctype.modifiers & MOD_SIGNEDNESS);
sym->bit_size = S->C->target->bits_in_enum;
if (base_type->bit_size > sym->bit_size)
sym->bit_size = base_type->bit_size;
sym->ctype.alignment = S->C->target->enum_alignment;
if (base_type->ctype.alignment > sym->ctype.alignment)
sym->ctype.alignment = base_type->ctype.alignment;
return sym;
}
static struct symbol *examine_pointer_type(struct global_symbols_t *S, struct symbol *sym)
{
/*
* We need to set the pointer size first, and
* examine the thing we point to only afterwards.
* That's because this pointer type may end up
* being needed for the base type size evaluation.
*/
if (!sym->bit_size)
sym->bit_size = S->C->target->bits_in_pointer;
if (!sym->ctype.alignment)
sym->ctype.alignment = S->C->target->pointer_alignment;
return sym;
}
/*
* Fill in type size and alignment information for
* regular SYM_TYPE things.
*/
struct symbol *dmrC_examine_symbol_type(struct global_symbols_t *S, struct symbol * sym)
{
if (!sym)
return sym;
/* Already done? */
if (sym->examined)
return sym;
sym->examined = 1;
switch (sym->type) {
case SYM_FN:
case SYM_NODE:
return examine_node_type(S, sym);
case SYM_ARRAY:
return examine_array_type(S, sym);
case SYM_STRUCT:
return examine_struct_union_type(S, sym, 1);
case SYM_UNION:
return examine_struct_union_type(S, sym, 0);
case SYM_PTR:
return examine_pointer_type(S, sym);
case SYM_ENUM:
return examine_enum_type(S, sym);
case SYM_BITFIELD:
return examine_bitfield_type(S, sym);
case SYM_BASETYPE:
/* Size and alignment had better already be set up */
return sym;
case SYM_TYPEOF: {
struct symbol *base = dmrC_evaluate_expression(S->C, sym->initializer);
if (base) {
unsigned long mod = 0;
if (dmrC_is_bitfield_type(base))
dmrC_warning(S->C, base->pos, "typeof applied to bitfield type");
if (base->type == SYM_NODE) {
mod |= base->ctype.modifiers & MOD_TYPEOF;
base = base->ctype.base_type;
}
sym->type = SYM_NODE;
sym->ctype.modifiers = mod;
sym->ctype.base_type = base;
return examine_node_type(S, sym);
}
break;
}
case SYM_PREPROCESSOR:
dmrC_sparse_error(S->C, sym->pos, "ctype on preprocessor command? (%s)", dmrC_show_ident(S->C, sym->ident));
return NULL;
case SYM_UNINITIALIZED:
dmrC_sparse_error(S->C, sym->pos, "ctype on uninitialized symbol %p", sym);
return NULL;
case SYM_RESTRICT:
examine_base_type(S, sym);
return sym;
case SYM_FOULED:
examine_base_type(S, sym);
return sym;
default:
dmrC_sparse_error(S->C, sym->pos, "Examining unknown symbol type %d", sym->type);
break;
}
return sym;
}
const char* dmrC_get_type_name(enum type type)
{
const char *type_lookup[] = {
[SYM_UNINITIALIZED] = "uninitialized",
[SYM_PREPROCESSOR] = "preprocessor",
[SYM_BASETYPE] = "basetype",
[SYM_NODE] = "node",
[SYM_PTR] = "pointer",
[SYM_FN] = "function",
[SYM_ARRAY] = "array",
[SYM_STRUCT] = "struct",
[SYM_UNION] = "union",
[SYM_ENUM] = "enum",
[SYM_TYPEDEF] = "typedef",
[SYM_TYPEOF] = "typeof",
[SYM_MEMBER] = "member",
[SYM_BITFIELD] = "bitfield",
[SYM_LABEL] = "label",
[SYM_RESTRICT] = "restrict",
[SYM_FOULED] = "fouled",
[SYM_KEYWORD] = "keyword",
[SYM_BAD] = "bad"};
if (type <= SYM_BAD)
return type_lookup[type];
else
return NULL;
}
struct symbol *dmrC_examine_pointer_target(struct global_symbols_t *S, struct symbol *sym)
{
return examine_base_type(S, sym);
}
void dmrC_create_fouled(struct global_symbols_t *S, struct symbol *type)
{
if (type->bit_size < S->C->target->bits_in_int) {
struct symbol *news = dmrC_alloc_symbol(S, type->pos, type->type);
*news = *type;
news->bit_size = S->C->target->bits_in_int;
news->type = SYM_FOULED;
news->ctype.base_type = type;
dmrC_add_symbol(S->C, &S->restr, type);
dmrC_add_symbol(S->C, &S->fouled, news);
}
}
struct symbol *dmrC_befoul(struct global_symbols_t *S, struct symbol *type)
{
struct symbol *t1, *t2;
while (type->type == SYM_NODE)
type = type->ctype.base_type;
PREPARE_PTR_LIST(S->restr, t1);
PREPARE_PTR_LIST(S->fouled, t2);
for (;;) {
if (t1 == type)
return t2;
if (!t1)
break;
NEXT_PTR_LIST(t1);
NEXT_PTR_LIST(t2);
}
FINISH_PTR_LIST(t2);
FINISH_PTR_LIST(t1);
return NULL;
}
void dmrC_check_declaration(struct global_symbols_t *S, struct symbol *sym)
{
int warned = 0;
struct symbol *next = sym;
while ((next = next->next_id) != NULL) {
if (next->ns != sym->ns)
continue;
if (sym->scope == next->scope) {
sym->same_symbol = next;
return;
}
/* Extern in block level matches a TOPLEVEL non-static symbol */
if (sym->ctype.modifiers & MOD_EXTERN) {
if ((next->ctype.modifiers & (MOD_TOPLEVEL|MOD_STATIC)) == MOD_TOPLEVEL) {
sym->same_symbol = next;
return;
}
}
if (!S->C->Wshadow || warned)
continue;
if (dmrC_get_sym_type(next) == SYM_FN)
continue;
warned = 1;
dmrC_warning(S->C, sym->pos, "symbol '%s' shadows an earlier one", dmrC_show_ident(S->C, sym->ident));
dmrC_info(S->C, next->pos, "originally declared here");
}
}
void dmrC_bind_symbol(struct global_symbols_t *S, struct symbol *sym, struct ident *ident, enum namespace_type ns)
{
struct scope *scope;
if (sym->bound) {
dmrC_sparse_error(S->C, sym->pos, "internal error: symbol type already bound");
return;
}
if (ident->reserved && (ns & (NS_TYPEDEF | NS_STRUCT | NS_LABEL | NS_SYMBOL))) {
dmrC_sparse_error(S->C, sym->pos, "Trying to use reserved word '%s' as identifier", dmrC_show_ident(S->C, ident));
return;
}
sym->ns = ns;
sym->next_id = ident->symbols;
ident->symbols = sym;
if (sym->ident && sym->ident != ident)
dmrC_warning(S->C, sym->pos, "Symbol '%s' already bound", dmrC_show_ident(S->C, sym->ident));
sym->ident = ident;
sym->bound = 1;
scope = S->C->block_scope;
if (ns == NS_SYMBOL && dmrC_toplevel(S->C, scope)) {
unsigned mod = MOD_ADDRESSABLE | MOD_TOPLEVEL;
scope = S->C->global_scope;
if (sym->ctype.modifiers & MOD_STATIC ||
dmrC_is_extern_inline(sym)) {
scope = S->C->file_scope;
mod = MOD_TOPLEVEL;
}
sym->ctype.modifiers |= mod;
}
if (ns == NS_MACRO)
scope = S->C->file_scope;
if (ns == NS_LABEL)
scope = S->C->function_scope;
dmrC_bind_scope(S->C, sym, scope);
}
struct symbol *dmrC_create_symbol(struct global_symbols_t *S, int stream, const char *name, int type, int ns)
{
struct ident *ident = dmrC_built_in_ident(S->C, name);
struct symbol *sym = dmrC_lookup_symbol(ident, ns);
if (sym && sym->type != type)
dmrC_die(S->C, "symbol %s created with different types: %d old %d", name,
type, sym->type);
if (!sym) {
struct token *token = dmrC_built_in_token(S->C, stream, ident);
sym = dmrC_alloc_symbol(S, token->pos, type);
dmrC_bind_symbol(S, sym, token->ident, ns);
}
return sym;
}
void dmrC_init_symbols(struct dmr_C *C)
{
struct global_symbols_t *S = (struct global_symbols_t *) calloc(1, sizeof(struct global_symbols_t));
C->S = S;
S->C = C;
dmrC_allocator_init(&S->context_allocator, "contexts", sizeof(struct context), __alignof__(struct context),
CHUNK);
dmrC_allocator_init(&S->global_ident_allocator, "global_identifiers", sizeof(struct ident),
__alignof__(struct ident), CHUNK);
dmrC_allocator_init(&S->symbol_allocator, "symbols", sizeof(struct symbol),
__alignof__(struct symbol), CHUNK);
int stream = dmrC_init_stream(C, "builtin", -1, C->T->includepath);
#define __INIT_IDENT(n, str, res) (struct ident *) dmrC_allocator_allocate(&S->global_ident_allocator, sizeof(str)); S->n->len = sizeof(str)-1; memcpy(S->n->name, str, sizeof(str)); S->n->reserved = res;
#define __IDENT(n,str,res) \
{S->n = __INIT_IDENT(n, str, res)}
#include "ident-list.h"
#define __IDENT(n,str,res) \
dmrC_hash_ident(C, S->n)
#include "ident-list.h"
dmrC_init_parser(C, stream);
dmrC_init_builtins(C, stream);
}
void dmrC_destroy_symbols(struct dmr_C *C) {
/* tokenizer must be destroyed before this */
assert(C->T == NULL);
dmrC_destroy_parser(C);
assert(C->P == NULL);
struct global_symbols_t *S = C->S;
dmrC_allocator_destroy(&S->context_allocator);
dmrC_allocator_destroy(&S->global_ident_allocator);
dmrC_allocator_destroy(&S->symbol_allocator);
free(S);
C->S = NULL;
}
void dmrC_init_ctype(struct dmr_C *C)
{
assert(C);
struct global_symbols_t *S = C->S;
assert(S);
struct target_t *T = C->target;
assert(T);
const struct ctype_declare *ctype;
#ifdef _MSC_VER
if (sizeof(long long) == sizeof(size_t)) {
T->size_t_ctype = &S->ullong_ctype;
T->ssize_t_ctype = &S->llong_ctype;
}
else {
assert(sizeof(int) == sizeof(size_t));
T->size_t_ctype = &S->uint_ctype;
T->ssize_t_ctype = &S->int_ctype;
}
#else
T->size_t_ctype = &S->uint_ctype;
T->ssize_t_ctype = &S->int_ctype;
#endif
#define MOD_ESIGNED (MOD_SIGNED | MOD_EXPLICITLY_SIGNED)
#define MOD_LL (MOD_LONG | MOD_LONGLONG)
#define MOD_LLL MOD_LONGLONGLONG
const struct ctype_declare {
struct symbol *ptr;
enum type type;
unsigned long modifiers;
int *bit_size;
int *maxalign;
struct symbol *base_type;
} ctype_declaration[] = {
{ &S->bool_ctype, SYM_BASETYPE, MOD_UNSIGNED, &T->bits_in_bool, &T->max_int_alignment, &S->int_type },
{ &S->void_ctype, SYM_BASETYPE, 0, NULL, NULL, NULL },
{ &S->type_ctype, SYM_BASETYPE, MOD_TYPE, NULL, NULL, NULL },
{ &S->incomplete_ctype,SYM_BASETYPE, 0, NULL, NULL, NULL },
{ &S->bad_ctype, SYM_BASETYPE, 0, NULL, NULL, NULL },
{ &S->char_ctype, SYM_BASETYPE, MOD_SIGNED | MOD_CHAR, &T->bits_in_char, &T->max_int_alignment, &S->int_type },
{ &S->schar_ctype, SYM_BASETYPE, MOD_ESIGNED | MOD_CHAR, &T->bits_in_char, &T->max_int_alignment, &S->int_type },
{ &S->uchar_ctype, SYM_BASETYPE, MOD_UNSIGNED | MOD_CHAR, &T->bits_in_char, &T->max_int_alignment, &S->int_type },
{ &S->short_ctype, SYM_BASETYPE, MOD_SIGNED | MOD_SHORT, &T->bits_in_short, &T->max_int_alignment, &S->int_type },
{ &S->sshort_ctype, SYM_BASETYPE, MOD_ESIGNED | MOD_SHORT, &T->bits_in_short, &T->max_int_alignment, &S->int_type },
{ &S->ushort_ctype, SYM_BASETYPE, MOD_UNSIGNED | MOD_SHORT, &T->bits_in_short, &T->max_int_alignment, &S->int_type },
{ &S->int_ctype, SYM_BASETYPE, MOD_SIGNED, &T->bits_in_int, &T->max_int_alignment, &S->int_type },
{ &S->sint_ctype, SYM_BASETYPE, MOD_ESIGNED, &T->bits_in_int, &T->max_int_alignment, &S->int_type },
{ &S->uint_ctype, SYM_BASETYPE, MOD_UNSIGNED, &T->bits_in_int, &T->max_int_alignment, &S->int_type },
{ &S->long_ctype, SYM_BASETYPE, MOD_SIGNED | MOD_LONG, &T->bits_in_long, &T->max_int_alignment, &S->int_type },
{ &S->slong_ctype, SYM_BASETYPE, MOD_ESIGNED | MOD_LONG, &T->bits_in_long, &T->max_int_alignment, &S->int_type },
{ &S->ulong_ctype, SYM_BASETYPE, MOD_UNSIGNED | MOD_LONG, &T->bits_in_long, &T->max_int_alignment, &S->int_type },
{ &S->llong_ctype, SYM_BASETYPE, MOD_SIGNED | MOD_LL, &T->bits_in_longlong, &T->max_int_alignment, &S->int_type },
{ &S->sllong_ctype, SYM_BASETYPE, MOD_ESIGNED | MOD_LL, &T->bits_in_longlong, &T->max_int_alignment, &S->int_type },
{ &S->ullong_ctype, SYM_BASETYPE, MOD_UNSIGNED | MOD_LL, &T->bits_in_longlong, &T->max_int_alignment, &S->int_type },
{ &S->lllong_ctype, SYM_BASETYPE, MOD_SIGNED | MOD_LLL, &T->bits_in_longlonglong, &T->max_int_alignment, &S->int_type },
{ &S->slllong_ctype, SYM_BASETYPE, MOD_ESIGNED | MOD_LLL, &T->bits_in_longlonglong, &T->max_int_alignment, &S->int_type },
{ &S->ulllong_ctype, SYM_BASETYPE, MOD_UNSIGNED | MOD_LLL, &T->bits_in_longlonglong, &T->max_int_alignment, &S->int_type },
{ &S->float_ctype, SYM_BASETYPE, 0, &T->bits_in_float, &T->max_fp_alignment, &S->fp_type },
{ &S->double_ctype, SYM_BASETYPE, MOD_LONG, &T->bits_in_double, &T->max_fp_alignment, &S->fp_type },
{ &S->ldouble_ctype, SYM_BASETYPE, MOD_LONG | MOD_LONGLONG, &T->bits_in_longdouble, &T->max_fp_alignment, &S->fp_type },
{ &S->string_ctype, SYM_PTR, 0, &T->bits_in_pointer, &T->pointer_alignment, &S->char_ctype },
{ &S->ptr_ctype, SYM_PTR, 0, &T->bits_in_pointer, &T->pointer_alignment, &S->void_ctype },
{ &S->null_ctype, SYM_PTR, 0, &T->bits_in_pointer, &T->pointer_alignment, &S->void_ctype },
{ &S->label_ctype, SYM_PTR, 0, &T->bits_in_pointer, &T->pointer_alignment, &S->void_ctype },
{ &S->lazy_ptr_ctype, SYM_PTR, 0, &T->bits_in_pointer, &T->pointer_alignment, &S->void_ctype },
{ NULL, SYM_UNINITIALIZED, 0, NULL, NULL, NULL }
};
#undef MOD_LLL
#undef MOD_LL
#undef MOD_ESIGNED
for (ctype = ctype_declaration ; ctype->ptr; ctype++) {
struct symbol *sym = ctype->ptr;
unsigned long bit_size = ctype->bit_size ? *ctype->bit_size : -1;
unsigned long maxalign = ctype->maxalign ? *ctype->maxalign : 0;
unsigned long alignment = dmrC_bits_to_bytes(T, bit_size);
if (alignment > maxalign)
alignment = maxalign;
sym->type = ctype->type;
sym->bit_size = bit_size;
sym->ctype.alignment = alignment;
sym->ctype.base_type = ctype->base_type;
sym->ctype.modifiers = ctype->modifiers;
}
S->typenames[0].sym = &S->char_ctype; S->typenames[0].name = "char";
S->typenames[1].sym = &S->schar_ctype; S->typenames[1].name = "signed char";
S->typenames[2].sym = &S->uchar_ctype; S->typenames[2].name = "unsigned char";
S->typenames[3].sym = &S->short_ctype; S->typenames[3].name = "short";
S->typenames[4].sym = &S->sshort_ctype; S->typenames[4].name = "signed short";
S->typenames[5].sym = &S->ushort_ctype; S->typenames[5].name = "unsigned short";
S->typenames[6].sym = &S->int_ctype; S->typenames[6].name = "int";
S->typenames[7].sym = &S->sint_ctype; S->typenames[7].name = "signed int";
S->typenames[8].sym = &S->uint_ctype; S->typenames[8].name = "unsigned int";
S->typenames[9].sym = &S->slong_ctype; S->typenames[9].name = "signed long";
S->typenames[10].sym = &S->long_ctype; S->typenames[10].name = "long";
S->typenames[11].sym = &S->ulong_ctype; S->typenames[11].name = "unsigned long";
S->typenames[12].sym = &S->llong_ctype; S->typenames[12].name = "long long";
S->typenames[13].sym = &S->sllong_ctype; S->typenames[13].name = "signed long long";
S->typenames[14].sym = &S->ullong_ctype; S->typenames[14].name = "unsigned long long";
S->typenames[15].sym = &S->lllong_ctype; S->typenames[15].name = "long long long";
S->typenames[16].sym = &S->slllong_ctype; S->typenames[16].name = "signed long long long";
S->typenames[17].sym = &S->ulllong_ctype; S->typenames[17].name = "unsigned long long long";
S->typenames[18].sym = &S->void_ctype; S->typenames[18].name = "void";
S->typenames[19].sym = &S->bool_ctype; S->typenames[19].name = "bool";
S->typenames[20].sym = &S->string_ctype; S->typenames[20].name = "string";
S->typenames[21].sym = &S->float_ctype; S->typenames[21].name = "float";
S->typenames[22].sym = &S->double_ctype; S->typenames[22].name = "double";
S->typenames[23].sym = &S->ldouble_ctype; S->typenames[23].name = "long double";
S->typenames[24].sym = &S->incomplete_ctype; S->typenames[24].name = "incomplete type";
S->typenames[25].sym = &S->int_type; S->typenames[25].name = "abstract int";
S->typenames[26].sym = &S->fp_type; S->typenames[26].name = "abstract fp";
S->typenames[27].sym = &S->label_ctype; S->typenames[27].name = "label type";
S->typenames[28].sym = &S->bad_ctype; S->typenames[28].name = "bad type";
S->typenames[29].sym = NULL, S->typenames[29].name = NULL;
}
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