#include "type_t.h"
#include "ast_t.h"
#include "parser.h"
+#include "lang_features.h"
#define MAGIC_DEFAULT_PN_NUMBER (long) -314159265
static const declaration_t *current_function_decl;
static ir_node *current_function_name;
+static struct obstack asm_obst;
+
typedef enum declaration_type_t {
DECLARATION_TYPE_UNKNOWN,
DECLARATION_TYPE_FUNCTION,
} declaration_type_t;
static ir_type *get_ir_type(type_t *type);
+static int count_decls_in_stmts(const statement_t *stmt);
ir_node *uninitialized_local_var(ir_graph *irg, ir_mode *mode, int pos)
{
pos->linenr);
}
-const char *retrieve_dbg(const dbg_info *dbg, unsigned *line)
+const char *dbg_retrieve(const dbg_info *dbg, unsigned *line)
{
const source_position_t *pos = (const source_position_t*) dbg;
if(pos == NULL)
return pos->input_name;
}
-void init_ast2firm(void)
-{
-}
-
-void exit_ast2firm(void)
+static dbg_info *get_dbg_info(const source_position_t *pos)
{
+ return (dbg_info*) pos;
}
static unsigned unique_id = 0;
return new_id_from_str(buf);
}
-static ir_mode *get_atomic_mode(const atomic_type_t* atomic_type)
+/**
+ * Return the signed integer mode of size bytes.
+ *
+ * @param size the size
+ */
+static ir_mode *get_smode(unsigned size)
{
- switch(atomic_type->atype) {
- case ATOMIC_TYPE_SCHAR:
- case ATOMIC_TYPE_CHAR:
- return mode_Bs;
- case ATOMIC_TYPE_UCHAR:
- return mode_Bu;
- case ATOMIC_TYPE_SHORT:
- return mode_Hs;
- case ATOMIC_TYPE_USHORT:
- return mode_Hu;
- case ATOMIC_TYPE_LONG:
- case ATOMIC_TYPE_INT:
- return mode_Is;
- case ATOMIC_TYPE_ULONG:
- case ATOMIC_TYPE_UINT:
- return mode_Iu;
- case ATOMIC_TYPE_LONGLONG:
- return mode_Ls;
- case ATOMIC_TYPE_ULONGLONG:
- return mode_Lu;
- case ATOMIC_TYPE_FLOAT:
- return mode_F;
- case ATOMIC_TYPE_DOUBLE:
- return mode_D;
- case ATOMIC_TYPE_LONG_DOUBLE:
- return mode_E;
- case ATOMIC_TYPE_BOOL:
- return mode_b;
+ static ir_mode *s_modes[16 + 1] = {0, };
+ ir_mode *res;
+
+ if (size <= 0 || size > 16)
+ return NULL;
+
+ res = s_modes[size];
+ if (res == NULL) {
+ unsigned bits;
+ char name[32];
+
+ bits = size * 8;
+ snprintf(name, sizeof(name), "i%u", bits);
+ res = new_ir_mode(name, irms_int_number, bits, 1, irma_twos_complement,
+ bits <= machine_size ? machine_size : bits );
+
+ s_modes[size] = res;
+ }
+ return res;
+}
+
+/**
+ * Return the unsigned integer mode of size bytes.
+ *
+ * @param size the size
+ */
+static ir_mode *get_umode(unsigned size)
+{
+ static ir_mode *u_modes[16 + 1] = {0, };
+ ir_mode *res;
+
+ if (size <= 0 || size > 16)
+ return NULL;
+
+ res = u_modes[size];
+ if (res == NULL) {
+ unsigned bits;
+ char name[32];
+
+ bits = size * 8;
+ snprintf(name, sizeof(name), "u%u", bits);
+ res = new_ir_mode(name, irms_int_number, bits, 0, irma_twos_complement,
+ bits <= machine_size ? machine_size : bits );
+
+ u_modes[size] = res;
+ }
+ return res;
+}
+
+/**
+ * Return the pointer mode of size bytes.
+ *
+ * @param size the size
+ */
+static ir_mode *get_ptrmode(unsigned size, char *name)
+{
+ static ir_mode *p_modes[16 + 1] = {0, };
+ ir_mode *res;
+
+ if (size <= 0 || size > 16)
+ return NULL;
+
+ res = p_modes[size];
+ if (res == NULL) {
+ unsigned bits;
+ char buf[32];
+
+ bits = size * 8;
+ if (name == NULL) {
+ snprintf(buf, sizeof(buf), "p%u", bits);
+ name = buf;
+ }
+ res = new_ir_mode(name, irms_reference, bits, 0, irma_twos_complement,
+ bits <= machine_size ? machine_size : bits);
+
+ p_modes[size] = res;
+
+ set_reference_mode_signed_eq(res, get_smode(size));
+ set_reference_mode_unsigned_eq(res, get_umode(size));
+ }
+ return res;
+}
+
+static ir_mode *_atomic_modes[ATOMIC_TYPE_LAST];
+
+static ir_mode *mode_int, *mode_uint;
+
+/**
+ * Initialises the atomic modes depending on the machine size.
+ */
+static void init_atomic_modes(void) {
+ unsigned int_size = machine_size < 32 ? 2 : 4;
+ unsigned long_size = machine_size < 64 ? 4 : 8;
+ unsigned llong_size = machine_size < 32 ? 4 : 8;
+
+ /* firm has no real void... */
+ _atomic_modes[ATOMIC_TYPE_VOID] = mode_T;
+ _atomic_modes[ATOMIC_TYPE_CHAR] = char_is_signed ? get_smode(1) : get_umode(1);
+ _atomic_modes[ATOMIC_TYPE_SCHAR] = get_smode(1);
+ _atomic_modes[ATOMIC_TYPE_UCHAR] = get_umode(1);
+ _atomic_modes[ATOMIC_TYPE_SHORT] = get_smode(2);
+ _atomic_modes[ATOMIC_TYPE_USHORT] = get_umode(2);
+ _atomic_modes[ATOMIC_TYPE_INT] = get_smode(int_size);
+ _atomic_modes[ATOMIC_TYPE_UINT] = get_umode(int_size);
+ _atomic_modes[ATOMIC_TYPE_LONG] = get_smode(long_size);
+ _atomic_modes[ATOMIC_TYPE_ULONG] = get_umode(long_size);
+ _atomic_modes[ATOMIC_TYPE_LONGLONG] = get_smode(llong_size);
+ _atomic_modes[ATOMIC_TYPE_ULONGLONG] = get_umode(llong_size);
+ _atomic_modes[ATOMIC_TYPE_FLOAT] = mode_F;
+ _atomic_modes[ATOMIC_TYPE_DOUBLE] = mode_D;
+ _atomic_modes[ATOMIC_TYPE_LONG_DOUBLE] = mode_E;
+
#ifdef PROVIDE_COMPLEX
- case ATOMIC_TYPE_FLOAT_COMPLEX:
- case ATOMIC_TYPE_DOUBLE_COMPLEX:
- case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
- panic("complex lowering not implemented yet");
- break;
- case ATOMIC_TYPE_FLOAT_IMAGINARY:
- case ATOMIC_TYPE_DOUBLE_IMAGINARY:
- case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
- panic("imaginary lowering not implemented yet");
- break;
+ _atomic_modes[ATOMIC_TYPE_BOOL] = _atomic_modes[ATOMIC_TYPE_INT];
+ _atomic_modes[ATOMIC_TYPE_FLOAT_IMAGINARY] = _atomic_modes[ATOMIC_TYPE_FLOAT];
+ _atomic_modes[ATOMIC_TYPE_DOUBLE_IMAGINARY] = _atomic_modes[ATOMIC_TYPE_DOUBLE];
+ _atomic_modes[ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY] = _atomic_modes[ATOMIC_TYPE_LONG_DOUBLE];
#endif
- case ATOMIC_TYPE_VOID:
- /* firm has no real void... */
- return mode_Is;
- case ATOMIC_TYPE_INVALID:
- break;
- }
- panic("Encountered unknown atomic type");
+
+ /* Hmm, pointers should be machine size */
+ set_modeP_data(get_ptrmode(machine_size >> 3, NULL));
+ set_modeP_code(get_ptrmode(machine_size >> 3, NULL));
+
+ mode_int = _atomic_modes[ATOMIC_TYPE_INT];
+ mode_uint = _atomic_modes[ATOMIC_TYPE_UINT];
}
+static ir_mode *get_atomic_mode(const atomic_type_t* atomic_type)
+{
+ ir_mode *res = NULL;
+ if ((unsigned)atomic_type->atype < (unsigned)ATOMIC_TYPE_LAST)
+ res = _atomic_modes[(unsigned)atomic_type->atype];
+ if (res == NULL)
+ panic("Encountered unknown atomic type");
+ return res;
+}
static unsigned get_type_size(type_t *type);
case ATOMIC_TYPE_BOOL:
case ATOMIC_TYPE_INT:
case ATOMIC_TYPE_UINT:
+ return machine_size >> 3;
+
case ATOMIC_TYPE_LONG:
case ATOMIC_TYPE_ULONG:
- case ATOMIC_TYPE_FLOAT:
- return 4;
+ return machine_size > 16 ? machine_size >> 3 : 4;
case ATOMIC_TYPE_LONGLONG:
case ATOMIC_TYPE_ULONGLONG:
+ return machine_size > 16 ? 8 : 4;
+
+ case ATOMIC_TYPE_FLOAT:
+ return 4;
+
case ATOMIC_TYPE_DOUBLE:
return 8;
return 1;
case ATOMIC_TYPE_INVALID:
+ case ATOMIC_TYPE_LAST:
break;
}
panic("Trying to determine size of invalid atomic type");
return get_type_size_bytes(irtype);
}
+
static unsigned get_type_size(type_t *type)
{
type = skip_typeref(type);
case TYPE_ATOMIC:
return get_atomic_type_size(&type->atomic);
case TYPE_ENUM:
- return get_mode_size_bytes(mode_Is);
+ return get_mode_size_bytes(mode_int);
case TYPE_COMPOUND_UNION:
case TYPE_COMPOUND_STRUCT:
return get_compound_type_size(&type->compound);
ident *id = get_mode_ident(mode);
ir_type *irtype = new_type_primitive(id, mode);
+ if(type->atype == ATOMIC_TYPE_LONG_DOUBLE) {
+ set_type_alignment_bytes(irtype, 4);
+ }
+
return irtype;
}
set_type_size_bytes(ir_type, n_elements * elemsize);
set_type_alignment_bytes(ir_type, align);
set_type_state(ir_type, layout_fixed);
+ } else {
+ set_array_lower_bound_int(ir_type, 0, 0);
}
return ir_type;
if (misalign != 0)
offset += entry_alignment - misalign;
- ir_entity *entity = new_entity(ir_type, ident, entry_ir_type);
+ dbg_info *const dbgi = get_dbg_info(&entry->source_position);
+ ir_entity *const entity = new_d_entity(ir_type, ident, entry_ir_type, dbgi);
set_entity_offset(entity, offset);
add_struct_member(ir_type, entity);
entry->declaration_type = DECLARATION_TYPE_COMPOUND_MEMBER;
int entry_size = get_type_size_bytes(entry_ir_type);
int entry_alignment = get_type_alignment_bytes(entry_ir_type);
- ir_entity *entity = new_entity(ir_type, ident, entry_ir_type);
+ dbg_info *const dbgi = get_dbg_info(&entry->source_position);
+ ir_entity *const entity = new_d_entity(ir_type, ident, entry_ir_type, dbgi);
add_union_member(ir_type, entity);
set_entity_offset(entity, 0);
entry->declaration_type = DECLARATION_TYPE_COMPOUND_MEMBER;
/* firm doesn't report a mode for arrays somehow... */
if(is_Array_type(irtype)) {
- return mode_P;
+ return mode_P_data;
}
ir_mode *mode = get_type_mode(irtype);
ir_type *ir_type_method = get_ir_type(declaration->type);
assert(is_Method_type(ir_type_method));
- ir_entity *entity = new_entity(global_type, id, ir_type_method);
+ dbg_info *const dbgi = get_dbg_info(&declaration->source_position);
+ ir_entity *const entity = new_d_entity(global_type, id, ir_type_method, dbgi);
set_entity_ld_ident(entity, id);
if(declaration->storage_class == STORAGE_CLASS_STATIC
|| declaration->is_inline) {
} else {
set_entity_visibility(entity, visibility_external_allocated);
}
+ set_entity_allocation(entity, allocation_static);
declaration->declaration_type = DECLARATION_TYPE_FUNCTION;
declaration->v.entity = entity;
return entity;
}
-static dbg_info *get_dbg_info(const source_position_t *pos)
-{
- return (dbg_info*) pos;
-}
-
static ir_node *const_to_firm(const const_expression_t *cnst)
{
dbg_info *dbgi = get_dbg_info(&cnst->expression.source_position);
ir_type_const_char);
ident *const id = unique_ident(id_prefix);
- ir_entity *const entity = new_entity(global_type, id, type);
+ dbg_info *const dbgi = get_dbg_info(src_pos);
+ ir_entity *const entity = new_d_entity(global_type, id, type, dbgi);
set_entity_ld_ident(entity, id);
set_entity_variability(entity, variability_constant);
+ set_entity_allocation(entity, allocation_static);
ir_type *const elem_type = ir_type_const_char;
ir_mode *const mode = get_type_mode(elem_type);
set_array_entity_values(entity, tvs, slen);
free(tvs);
- dbg_info *const dbgi = get_dbg_info(src_pos);
-
return create_symconst(dbgi, entity);
}
elem_type);
ident *const id = unique_ident("Lstr");
- ir_entity *const entity = new_entity(global_type, id, type);
+ dbg_info *const dbgi = get_dbg_info(&literal->expression.source_position);
+ ir_entity *const entity = new_d_entity(global_type, id, type, dbgi);
set_entity_ld_ident(entity, id);
set_entity_variability(entity, variability_constant);
+ set_entity_allocation(entity, allocation_static);
ir_mode *const mode = get_type_mode(elem_type);
set_array_entity_values(entity, tvs, slen);
free(tvs);
- dbg_info *const dbgi = get_dbg_info(&literal->expression.source_position);
-
return create_symconst(dbgi, entity);
}
if(is_type_pointer(type)) {
pointer_type_t *pointer_type = &type->pointer;
unsigned elem_size = get_type_size(pointer_type->points_to);
- offset = new_Const_long(mode_Is, elem_size);
+ offset = new_Const_long(mode_int, elem_size);
} else {
assert(is_type_arithmetic(type));
offset = new_Const(mode, get_mode_one(mode));
{
dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
type_t *type = skip_typeref(expression->expression.datatype);
- ir_mode *mode = get_ir_mode(type);
if(expression->expression.type == EXPR_UNARY_TAKE_ADDRESS)
return expression_to_addr(expression->value);
ir_node *value_node = expression_to_firm(value);
switch(expression->expression.type) {
- case EXPR_UNARY_NEGATE:
+ case EXPR_UNARY_NEGATE: {
+ ir_mode *mode = get_ir_mode(type);
return new_d_Minus(dbgi, value_node, mode);
+ }
case EXPR_UNARY_PLUS:
return value_node;
- case EXPR_UNARY_BITWISE_NEGATE:
+ case EXPR_UNARY_BITWISE_NEGATE: {
+ ir_mode *mode = get_ir_mode(type);
return new_d_Not(dbgi, value_node, mode);
+ }
case EXPR_UNARY_NOT: {
+ ir_mode *mode = get_ir_mode(type);
if(get_irn_mode(value_node) != mode_b) {
value_node = create_conv(dbgi, value_node, mode_b);
}
case EXPR_UNARY_PREFIX_DECREMENT:
return create_incdec(expression);
case EXPR_UNARY_CAST: {
- ir_node *node = create_conv(dbgi, value_node, get_ir_mode(type));
+ ir_mode *mode = get_ir_mode(type);
+ ir_node *node = create_conv(dbgi, value_node, mode);
node = do_strict_conv(dbgi, node);
return node;
}
- case EXPR_UNARY_CAST_IMPLICIT:
- return create_conv(dbgi, value_node, get_ir_mode(type));
+ case EXPR_UNARY_CAST_IMPLICIT: {
+ ir_mode *mode = get_ir_mode(type);
+ return create_conv(dbgi, value_node, mode);
+ }
default:
break;
assert(elem_size >= 1);
if (elem_size > 1) {
- integer = create_conv(dbgi, integer, mode_Is);
- ir_node *const cnst = new_Const_long(mode_Is, (long)elem_size);
- ir_node *const mul = new_d_Mul(dbgi, integer, cnst, mode_Is);
+ integer = create_conv(dbgi, integer, mode_int);
+ ir_node *const cnst = new_Const_long(mode_int, (long)elem_size);
+ ir_node *const mul = new_d_Mul(dbgi, integer, cnst, mode_int);
integer = mul;
}
const unsigned elem_size = get_type_size(ptr_type->points_to);
ir_mode *const mode = get_ir_mode(type);
ir_node *const sub = new_d_Sub(dbgi, left, right, mode);
- ir_node *const cnst = new_Const_long(mode_Is, (long)elem_size);
+ ir_node *const cnst = new_Const_long(mode_int, (long)elem_size);
ir_node *const no_mem = new_NoMem();
ir_node *const div = new_d_Div(dbgi, no_mem, sub, cnst, mode,
op_pin_state_floats);
ir_mode *mode = get_ir_mode(type);
/* firm always wants the shift count to be unsigned */
- right = create_conv(dbgi, right, mode_Iu);
+ right = create_conv(dbgi, right, mode_uint);
ir_node *res;
dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
ir_node *base_addr = expression_to_firm(expression->array_ref);
ir_node *offset = expression_to_firm(expression->index);
- offset = create_conv(dbgi, offset, mode_Iu);
+ offset = create_conv(dbgi, offset, mode_uint);
type_t *ref_type = skip_typeref(expression->array_ref->base.datatype);
assert(is_type_pointer(ref_type));
pointer_type_t *pointer_type = (pointer_type_t*) ref_type;
unsigned elem_size = get_type_size(pointer_type->points_to);
- ir_node *elem_size_const = new_Const_long(mode_Iu, elem_size);
+ ir_node *elem_size_const = new_Const_long(mode_uint, elem_size);
ir_node *real_offset = new_d_Mul(dbgi, offset, elem_size_const,
- mode_Iu);
- ir_node *result = new_d_Add(dbgi, base_addr, real_offset, mode_P);
+ mode_uint);
+ ir_node *result = new_d_Add(dbgi, base_addr, real_offset, mode_P_data);
return result;
}
return size_node;
}
+static long fold_constant(const expression_t *expression)
+{
+ assert(is_constant_expression(expression));
+
+ ir_graph *old_current_ir_graph = current_ir_graph;
+ if(current_ir_graph == NULL) {
+ current_ir_graph = get_const_code_irg();
+ }
+
+ ir_node *cnst = expression_to_firm(expression);
+ current_ir_graph = old_current_ir_graph;
+
+ if(!is_Const(cnst)) {
+ panic("couldn't fold constant\n");
+ }
+
+ tarval *tv = get_Const_tarval(cnst);
+ if(!tarval_is_long(tv)) {
+ panic("result of constant folding is not integer\n");
+ }
+
+ return get_tarval_long(tv);
+}
+
static ir_node *conditional_to_firm(const conditional_expression_t *expression)
{
dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+ /* first try to fold a constant condition */
+ if(is_constant_expression(expression->condition)) {
+ long val = fold_constant(expression->condition);
+ if(val) {
+ return expression_to_firm(expression->true_expression);
+ } else {
+ return expression_to_firm(expression->false_expression);
+ }
+ }
+
ir_node *cur_block = get_cur_block();
/* create the true block */
case TYPE_ATOMIC: {
const atomic_type_t *const atomic_type = &type->atomic;
switch (atomic_type->atype) {
- // should not be reached
+ /* should not be reached */
case ATOMIC_TYPE_INVALID:
tc = no_type_class;
break;
- // gcc cannot do that
+ /* gcc cannot do that */
case ATOMIC_TYPE_VOID:
tc = void_type_class;
break;
- case ATOMIC_TYPE_CHAR: // gcc handles this as integer
- case ATOMIC_TYPE_SCHAR: // gcc handles this as integer
- case ATOMIC_TYPE_UCHAR: // gcc handles this as integer
+ case ATOMIC_TYPE_CHAR: /* gcc handles this as integer */
+ case ATOMIC_TYPE_SCHAR: /* gcc handles this as integer */
+ case ATOMIC_TYPE_UCHAR: /* gcc handles this as integer */
case ATOMIC_TYPE_SHORT:
case ATOMIC_TYPE_USHORT:
case ATOMIC_TYPE_INT:
case ATOMIC_TYPE_ULONG:
case ATOMIC_TYPE_LONGLONG:
case ATOMIC_TYPE_ULONGLONG:
- case ATOMIC_TYPE_BOOL: // gcc handles this as integer
+ case ATOMIC_TYPE_BOOL: /* gcc handles this as integer */
tc = integer_type_class;
break;
break;
}
- case TYPE_ARRAY: // gcc handles this as pointer
- case TYPE_FUNCTION: // gcc handles this as pointer
+ case TYPE_ARRAY: /* gcc handles this as pointer */
+ case TYPE_FUNCTION: /* gcc handles this as pointer */
case TYPE_POINTER: tc = pointer_type_class; break;
case TYPE_COMPOUND_STRUCT: tc = record_type_class; break;
case TYPE_COMPOUND_UNION: tc = union_type_class; break;
- // gcc handles this as integer
+ /* gcc handles this as integer */
case TYPE_ENUM: tc = integer_type_class; break;
default:
}
dbg_info *const dbgi = get_dbg_info(&expr->expression.source_position);
- ir_mode *const mode = mode_Is;
+ ir_mode *const mode = mode_int;
tarval *const tv = new_tarval_from_long(tc, mode);
return new_d_Const(dbgi, mode, tv);
}
new_d_simpleSel(dbgi, no_mem, arg_base, parm_ent);
size_t const parm_size = get_type_size(expr->parameter->type);
- ir_node *const cnst = new_Const_long(mode_Iu, parm_size);
+ ir_node *const cnst = new_Const_long(mode_uint, parm_size);
ir_node *const add = new_d_Add(dbgi, arg_sel, cnst, mode_P_data);
set_value_for_expression(expr->ap, add);
ir_node *const res = deref_address(irtype, ap, dbgi);
size_t const parm_size = get_type_size(expr->expression.datatype);
- ir_node *const cnst = new_Const_long(mode_Iu, parm_size);
+ ir_node *const cnst = new_Const_long(mode_uint, parm_size);
ir_node *const add = new_d_Add(dbgi, ap, cnst, mode_P_data);
set_value_for_expression(expr->ap, add);
set_cur_block(NULL);
}
-static void return_statement_to_firm(return_statement_t *statement)
+
+
+static void create_declaration_entity(declaration_t *declaration,
+ declaration_type_t declaration_type,
+ ir_type *parent_type)
{
- if(get_cur_block() == NULL)
- return;
+ ident *const id = new_id_from_str(declaration->symbol->string);
+ ir_type *const irtype = get_ir_type(declaration->type);
+ dbg_info *const dbgi = get_dbg_info(&declaration->source_position);
+ ir_entity *const entity = new_d_entity(parent_type, id, irtype, dbgi);
+ set_entity_ld_ident(entity, id);
- ir_type *func_irtype = get_ir_type(current_function_decl->type);
+ declaration->declaration_type = (unsigned char) declaration_type;
+ declaration->v.entity = entity;
+ set_entity_variability(entity, variability_uninitialized);
+ if(parent_type == get_tls_type())
+ set_entity_allocation(entity, allocation_automatic);
+ else if(declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE)
+ set_entity_allocation(entity, allocation_static);
+ /* TODO: visibility? */
+}
- dbg_info *dbgi = get_dbg_info(&statement->statement.source_position);
+typedef struct compound_graph_path_entry_t compound_graph_path_entry_t;
- ir_node *in[1];
- int in_len;
- if(get_method_n_ress(func_irtype) > 0) {
- ir_type *res_type = get_method_res_type(func_irtype, 0);
+enum compound_graph_entry_type_t {
+ COMPOUND_GRAPH_ENTRY_ARRAY,
+ COMPOUND_GRAPH_ENTRY_COMPOUND
+};
- if(statement->return_value != NULL) {
- ir_node *node = expression_to_firm(statement->return_value);
- node = do_strict_conv(dbgi, node);
- in[0] = node;
+struct compound_graph_path_entry_t {
+ int type;
+ union {
+ ir_entity *entity;
+ int array_index;
+ } v;
+ compound_graph_path_entry_t *prev;
+};
+
+static void create_initializer_object(initializer_t *initializer, type_t *type,
+ ir_entity *entity, compound_graph_path_entry_t *entry, int len);
+
+static compound_graph_path *create_compound_path(ir_type *type,
+ compound_graph_path_entry_t *entry, int len)
+{
+ compound_graph_path *path = new_compound_graph_path(type, len);
+
+ int i = len - 1;
+ for( ; entry != NULL; entry = entry->prev, --i) {
+ assert(i >= 0);
+ if(entry->type == COMPOUND_GRAPH_ENTRY_COMPOUND) {
+ set_compound_graph_path_node(path, i, entry->v.entity);
} else {
- ir_mode *mode;
- if(is_compound_type(res_type)) {
- mode = mode_P_data;
- } else {
- mode = get_type_mode(res_type);
- }
- in[0] = new_Unknown(mode);
- }
- in_len = 1;
- } else {
- /* build return_value for its side effects */
- if(statement->return_value != NULL) {
- expression_to_firm(statement->return_value);
+ assert(entry->type == COMPOUND_GRAPH_ENTRY_ARRAY);
+ set_compound_graph_path_array_index(path, i, entry->v.array_index);
}
- in_len = 0;
}
+ assert(i == -1);
- ir_node *store = get_store();
- ir_node *ret = new_d_Return(dbgi, store, in_len, in);
-
- ir_node *end_block = get_irg_end_block(current_ir_graph);
- add_immBlock_pred(end_block, ret);
-
- set_cur_block(NULL);
+ return path;
}
-static ir_node *expression_statement_to_firm(expression_statement_t *statement)
+static void create_initializer_value(initializer_value_t *initializer,
+ ir_entity *entity,
+ compound_graph_path_entry_t *entry,
+ int len)
{
- if(get_cur_block() == NULL)
- return NULL;
-
- return expression_to_firm(statement->expression);
+ ir_node *node = expression_to_firm(initializer->value);
+ ir_type *type = get_entity_type(entity);
+ compound_graph_path *path = create_compound_path(type, entry, len);
+ add_compound_ent_value_w_path(entity, node, path);
}
-static ir_node *compound_statement_to_firm(compound_statement_t *compound)
+static void create_initializer_compound(initializer_list_t *initializer,
+ compound_type_t *type,
+ ir_entity *entity,
+ compound_graph_path_entry_t *last_entry,
+ int len)
{
- ir_node *result = NULL;
- statement_t *statement = compound->statements;
- for( ; statement != NULL; statement = statement->base.next) {
- //context2firm(&statement->context);
+ declaration_t *compound_declaration = type->declaration;
- if(statement->base.next == NULL
- && statement->type == STATEMENT_EXPRESSION) {
- result = expression_statement_to_firm(
- (expression_statement_t*) statement);
- break;
- }
- statement_to_firm(statement);
- }
+ declaration_t *compound_entry = compound_declaration->context.declarations;
- return result;
-}
+ compound_graph_path_entry_t entry;
+ entry.type = COMPOUND_GRAPH_ENTRY_COMPOUND;
+ entry.prev = last_entry;
+ ++len;
-static void if_statement_to_firm(if_statement_t *statement)
-{
- ir_node *cur_block = get_cur_block();
+ size_t i = 0;
+ for( ; compound_entry != NULL; compound_entry = compound_entry->next) {
+ if(compound_entry->symbol == NULL)
+ continue;
+ if(compound_entry->namespc != NAMESPACE_NORMAL)
+ continue;
- ir_node *fallthrough_block = new_immBlock();
+ if(i >= initializer->len)
+ break;
- /* the true (blocks) */
- ir_node *true_block;
- if (statement->true_statement != NULL) {
- true_block = new_immBlock();
- statement_to_firm(statement->true_statement);
- if(get_cur_block() != NULL) {
- ir_node *jmp = new_Jmp();
- add_immBlock_pred(fallthrough_block, jmp);
- }
- } else {
- true_block = fallthrough_block;
- }
+ entry.v.entity = compound_entry->v.entity;
- /* the false (blocks) */
- ir_node *false_block;
- if(statement->false_statement != NULL) {
- false_block = new_immBlock();
+ initializer_t *sub_initializer = initializer->initializers[i];
- statement_to_firm(statement->false_statement);
- if(get_cur_block() != NULL) {
- ir_node *jmp = new_Jmp();
- add_immBlock_pred(fallthrough_block, jmp);
- }
- } else {
- false_block = fallthrough_block;
- }
+ assert(compound_entry != NULL);
+ assert(compound_entry->declaration_type
+ == DECLARATION_TYPE_COMPOUND_MEMBER);
- /* create the condition */
- if(cur_block != NULL) {
- set_cur_block(cur_block);
- create_condition_evaluation(statement->condition, true_block,
- false_block);
- }
+ if(sub_initializer->type == INITIALIZER_VALUE) {
+ create_initializer_value(&sub_initializer->value,
+ entity, &entry, len);
+ } else {
+ type_t *entry_type = skip_typeref(compound_entry->type);
+ create_initializer_object(sub_initializer, entry_type, entity,
+ &entry, len);
+ }
- mature_immBlock(true_block);
- if(false_block != fallthrough_block) {
- mature_immBlock(false_block);
+ ++i;
}
- mature_immBlock(fallthrough_block);
-
- set_cur_block(fallthrough_block);
}
-static void while_statement_to_firm(while_statement_t *statement)
+static void create_initializer_array(initializer_list_t *initializer,
+ array_type_t *type, ir_entity *entity,
+ compound_graph_path_entry_t *last_entry,
+ int len)
{
- ir_node *jmp = NULL;
- if(get_cur_block() != NULL) {
- jmp = new_Jmp();
- }
-
- /* create the header block */
- ir_node *header_block = new_immBlock();
- if(jmp != NULL) {
- add_immBlock_pred(header_block, jmp);
- }
-
- /* the false block */
- ir_node *false_block = new_immBlock();
+ type_t *element_type = type->element_type;
+ element_type = skip_typeref(element_type);
- /* the loop body */
- ir_node *body_block;
- if (statement->body != NULL) {
- ir_node *old_continue_label = continue_label;
- ir_node *old_break_label = break_label;
- continue_label = header_block;
- break_label = false_block;
+ compound_graph_path_entry_t entry;
+ entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
+ entry.prev = last_entry;
+ ++len;
- body_block = new_immBlock();
- statement_to_firm(statement->body);
+ size_t i;
+ for(i = 0; i < initializer->len; ++i) {
+ entry.v.array_index = i;
- assert(continue_label == header_block);
- assert(break_label == false_block);
- continue_label = old_continue_label;
- break_label = old_break_label;
+ initializer_t *sub_initializer = initializer->initializers[i];
- if(get_cur_block() != NULL) {
- jmp = new_Jmp();
- add_immBlock_pred(header_block, jmp);
+ if(sub_initializer->type == INITIALIZER_VALUE) {
+ create_initializer_value(&sub_initializer->value,
+ entity, &entry, len);
+ } else {
+ create_initializer_object(sub_initializer, element_type, entity,
+ &entry, len);
}
- } else {
- body_block = header_block;
}
- /* create the condition */
- set_cur_block(header_block);
-
- create_condition_evaluation(statement->condition, body_block, false_block);
- mature_immBlock(body_block);
- mature_immBlock(false_block);
- mature_immBlock(header_block);
+#if 0
+ /* TODO: initialize rest... */
+ if(type->size_expression != NULL) {
+ size_t array_len = fold_constant(type->size_expression);
+ for( ; i < array_len; ++i) {
- set_cur_block(false_block);
+ }
+ }
+#endif
}
-static void do_while_statement_to_firm(do_while_statement_t *statement)
+static void create_initializer_string(initializer_string_t *initializer,
+ array_type_t *type, ir_entity *entity,
+ compound_graph_path_entry_t *last_entry,
+ int len)
{
- ir_node *jmp = NULL;
- if(get_cur_block() != NULL) {
- jmp = new_Jmp();
- }
+ type_t *element_type = type->element_type;
+ element_type = skip_typeref(element_type);
- /* create the header block */
- ir_node *header_block = new_immBlock();
+ compound_graph_path_entry_t entry;
+ entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
+ entry.prev = last_entry;
+ ++len;
- /* the false block */
- ir_node *false_block = new_immBlock();
+ ir_type *irtype = get_entity_type(entity);
+ size_t arr_len = get_array_type_size(type);
+ const char *p = initializer->string;
+ size_t i = 0;
+ for(i = 0; i < arr_len; ++i, ++p) {
+ entry.v.array_index = i;
- /* the loop body */
- ir_node *body_block = new_immBlock();
- if(jmp != NULL) {
- add_immBlock_pred(body_block, jmp);
+ ir_node *node = new_Const_long(mode_Bs, *p);
+ compound_graph_path *path = create_compound_path(irtype, &entry, len);
+ add_compound_ent_value_w_path(entity, node, path);
+
+ if(*p == '\0')
+ break;
}
+}
- if (statement->body != NULL) {
- ir_node *old_continue_label = continue_label;
- ir_node *old_break_label = break_label;
- continue_label = header_block;
- break_label = false_block;
+static void create_initializer_wide_string(
+ const initializer_wide_string_t *const initializer, array_type_t *const type,
+ ir_entity *const entity, compound_graph_path_entry_t *const last_entry,
+ int len)
+{
+ type_t *element_type = type->element_type;
+ element_type = skip_typeref(element_type);
- statement_to_firm(statement->body);
+ compound_graph_path_entry_t entry;
+ entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
+ entry.prev = last_entry;
+ ++len;
- assert(continue_label == header_block);
- assert(break_label == false_block);
- continue_label = old_continue_label;
- break_label = old_break_label;
+ ir_type *const irtype = get_entity_type(entity);
+ const size_t arr_len = get_array_type_size(type);
+ const wchar_rep_t * p = initializer->string.begin;
+ const wchar_rep_t *const end = p + initializer->string.size;
+ for (size_t i = 0; i < arr_len && p != end; ++i, ++p) {
+ entry.v.array_index = i;
- if (get_cur_block() == NULL) {
- mature_immBlock(header_block);
- mature_immBlock(body_block);
- mature_immBlock(false_block);
- return;
- }
+ ir_node *node = new_Const_long(mode_int, *p);
+ compound_graph_path *path = create_compound_path(irtype, &entry, len);
+ add_compound_ent_value_w_path(entity, node, path);
}
+}
- ir_node *body_jmp = new_Jmp();
- add_immBlock_pred(header_block, body_jmp);
- mature_immBlock(header_block);
+static void create_initializer_object(initializer_t *initializer, type_t *type,
+ ir_entity *entity, compound_graph_path_entry_t *entry, int len)
+{
+ if(is_type_array(type)) {
+ array_type_t *array_type = &type->array;
- /* create the condition */
- set_cur_block(header_block);
+ switch (initializer->type) {
+ case INITIALIZER_STRING: {
+ initializer_string_t *const string = &initializer->string;
+ create_initializer_string(string, array_type, entity, entry, len);
+ return;
+ }
- create_condition_evaluation(statement->condition, body_block, false_block);
- mature_immBlock(body_block);
- mature_immBlock(false_block);
- mature_immBlock(header_block);
+ case INITIALIZER_WIDE_STRING: {
+ initializer_wide_string_t *const string = &initializer->wide_string;
+ create_initializer_wide_string(string, array_type, entity, entry, len);
+ return;
+ }
- set_cur_block(false_block);
-}
+ case INITIALIZER_LIST: {
+ initializer_list_t *const list = &initializer->list;
+ create_initializer_array(list, array_type, entity, entry, len);
+ return;
+ }
-static void for_statement_to_firm(for_statement_t *statement)
-{
- ir_node *jmp = NULL;
- if (get_cur_block() != NULL) {
- if(statement->initialisation != NULL) {
- expression_to_firm(statement->initialisation);
+ case INITIALIZER_VALUE:
+ break;
}
- jmp = new_Jmp();
- }
+ panic("Unhandled initializer");
+ } else {
+ assert(initializer->type == INITIALIZER_LIST);
+ initializer_list_t *list = &initializer->list;
- /* create the step block */
- ir_node *const step_block = new_immBlock();
- if (statement->step != NULL) {
- expression_to_firm(statement->step);
+ assert(is_type_compound(type));
+ compound_type_t *compound_type = &type->compound;
+ create_initializer_compound(list, compound_type, entity, entry, len);
}
- ir_node *const step_jmp = new_Jmp();
+}
- /* create the header block */
- ir_node *const header_block = new_immBlock();
- if (jmp != NULL) {
- add_immBlock_pred(header_block, jmp);
- }
- add_immBlock_pred(header_block, step_jmp);
+static void create_initializer_local_variable_entity(declaration_t *declaration)
+{
+ initializer_t *initializer = declaration->init.initializer;
+ dbg_info *dbgi = get_dbg_info(&declaration->source_position);
+ ir_entity *entity = declaration->v.entity;
+ ir_node *memory = get_store();
+ ir_node *nomem = new_NoMem();
+ ir_node *frame = get_irg_frame(current_ir_graph);
+ ir_node *addr = new_d_simpleSel(dbgi, nomem, frame, entity);
- /* the false block */
- ir_node *const false_block = new_immBlock();
+ if(initializer->type == INITIALIZER_VALUE) {
+ initializer_value_t *initializer_value = &initializer->value;
- /* the loop body */
- ir_node * body_block;
- if (statement->body != NULL) {
- ir_node *const old_continue_label = continue_label;
- ir_node *const old_break_label = break_label;
- continue_label = step_block;
- break_label = false_block;
+ ir_node *value = expression_to_firm(initializer_value->value);
+ type_t *type = skip_typeref(declaration->type);
+ assign_value(dbgi, addr, type, value);
+ return;
+ }
- body_block = new_immBlock();
- statement_to_firm(statement->body);
+ /* create a "template" entity which is copied to the entity on the stack */
+ ident *const id = unique_ident("initializer");
+ ir_type *const irtype = get_ir_type(declaration->type);
+ ir_type *const global_type = get_glob_type();
+ ir_entity *const init_entity = new_d_entity(global_type, id, irtype, dbgi);
+ set_entity_ld_ident(init_entity, id);
- assert(continue_label == step_block);
- assert(break_label == false_block);
- continue_label = old_continue_label;
- break_label = old_break_label;
+ set_entity_variability(init_entity, variability_initialized);
+ set_entity_visibility(init_entity, visibility_local);
+ set_entity_allocation(init_entity, allocation_static);
- if (get_cur_block() != NULL) {
- jmp = new_Jmp();
- add_immBlock_pred(step_block, jmp);
- }
- } else {
- body_block = step_block;
- }
+ ir_graph *const old_current_ir_graph = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
- /* create the condition */
- set_cur_block(header_block);
- if (statement->condition != NULL) {
- create_condition_evaluation(statement->condition, body_block,
- false_block);
- } else {
- keep_alive(header_block);
- jmp = new_Jmp();
- add_immBlock_pred(body_block, jmp);
- }
+ type_t *const type = skip_typeref(declaration->type);
+ create_initializer_object(initializer, type, init_entity, NULL, 0);
- mature_immBlock(body_block);
- mature_immBlock(false_block);
- mature_immBlock(step_block);
- mature_immBlock(header_block);
- mature_immBlock(false_block);
+ assert(current_ir_graph == get_const_code_irg());
+ current_ir_graph = old_current_ir_graph;
- set_cur_block(false_block);
+ ir_node *const src_addr = create_symconst(dbgi, init_entity);
+ ir_node *const copyb = new_d_CopyB(dbgi, memory, addr, src_addr, irtype);
+
+ ir_node *const copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
+ set_store(copyb_mem);
}
-static void create_declaration_entity(declaration_t *declaration,
- declaration_type_t declaration_type,
- ir_type *parent_type)
+static void create_initializer(declaration_t *declaration)
{
- ident *id = new_id_from_str(declaration->symbol->string);
- ir_type *irtype = get_ir_type(declaration->type);
- ir_entity *entity = new_entity(parent_type, id, irtype);
- set_entity_ld_ident(entity, id);
-
- declaration->declaration_type = (unsigned char) declaration_type;
- declaration->v.entity = entity;
- set_entity_variability(entity, variability_uninitialized);
- /* TODO: visibility? */
-}
+ initializer_t *initializer = declaration->init.initializer;
+ if(initializer == NULL)
+ return;
-typedef struct compound_graph_path_entry_t compound_graph_path_entry_t;
+ declaration_type_t declaration_type
+ = (declaration_type_t) declaration->declaration_type;
+ if(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY) {
+ create_initializer_local_variable_entity(declaration);
+ return;
+ }
-enum compound_graph_entry_type_t {
- COMPOUND_GRAPH_ENTRY_ARRAY,
- COMPOUND_GRAPH_ENTRY_COMPOUND
-};
+ if(initializer->type == INITIALIZER_VALUE) {
+ initializer_value_t *initializer_value = &initializer->value;
-struct compound_graph_path_entry_t {
- int type;
- union {
- ir_entity *entity;
- int array_index;
- } v;
- compound_graph_path_entry_t *prev;
-};
+ ir_node *value = expression_to_firm(initializer_value->value);
-static void create_initializer_object(initializer_t *initializer, type_t *type,
- ir_entity *entity, compound_graph_path_entry_t *entry, int len);
+ if(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE) {
+ set_value(declaration->v.value_number, value);
+ } else {
+ assert(declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
-static compound_graph_path *create_compound_path(ir_type *type,
- compound_graph_path_entry_t *entry, int len)
-{
- compound_graph_path *path = new_compound_graph_path(type, len);
+ ir_entity *entity = declaration->v.entity;
- int i = len - 1;
- for( ; entry != NULL; entry = entry->prev, --i) {
- assert(i >= 0);
- if(entry->type == COMPOUND_GRAPH_ENTRY_COMPOUND) {
- set_compound_graph_path_node(path, i, entry->v.entity);
- } else {
- assert(entry->type == COMPOUND_GRAPH_ENTRY_ARRAY);
- set_compound_graph_path_array_index(path, i, entry->v.array_index);
+ set_entity_variability(entity, variability_initialized);
+ set_atomic_ent_value(entity, value);
}
- }
- assert(i == -1);
+ } else {
+ assert(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY
+ || declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
- return path;
-}
+ ir_entity *entity = declaration->v.entity;
+ set_entity_variability(entity, variability_initialized);
-static void create_initializer_value(initializer_value_t *initializer,
- ir_entity *entity,
- compound_graph_path_entry_t *entry,
- int len)
-{
- ir_node *node = expression_to_firm(initializer->value);
- ir_type *type = get_entity_type(entity);
- compound_graph_path *path = create_compound_path(type, entry, len);
- add_compound_ent_value_w_path(entity, node, path);
+ type_t *type = skip_typeref(declaration->type);
+ create_initializer_object(initializer, type, entity, NULL, 0);
+ }
}
-static void create_initializer_compound(initializer_list_t *initializer,
- compound_type_t *type,
- ir_entity *entity,
- compound_graph_path_entry_t *last_entry,
- int len)
+static void create_local_variable(declaration_t *declaration)
{
- declaration_t *compound_declaration = type->declaration;
+ assert(declaration->declaration_type == DECLARATION_TYPE_UNKNOWN);
- declaration_t *compound_entry = compound_declaration->context.declarations;
+ bool needs_entity = declaration->address_taken;
+ type_t *type = skip_typeref(declaration->type);
- compound_graph_path_entry_t entry;
- entry.type = COMPOUND_GRAPH_ENTRY_COMPOUND;
- entry.prev = last_entry;
- ++len;
+ if(is_type_array(type) || is_type_compound(type)) {
+ needs_entity = true;
+ }
- size_t i = 0;
- for( ; compound_entry != NULL; compound_entry = compound_entry->next) {
- if(compound_entry->symbol == NULL)
- continue;
- if(compound_entry->namespc != NAMESPACE_NORMAL)
- continue;
+ if(needs_entity) {
+ ir_type *frame_type = get_irg_frame_type(current_ir_graph);
+ create_declaration_entity(declaration,
+ DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY,
+ frame_type);
+ } else {
+ declaration->declaration_type = DECLARATION_TYPE_LOCAL_VARIABLE;
+ declaration->v.value_number = next_value_number_function;
+ ++next_value_number_function;
+ }
- if(i >= initializer->len)
- break;
+ create_initializer(declaration);
+}
- entry.v.entity = compound_entry->v.entity;
+static void create_local_static_variable(declaration_t *declaration)
+{
+ assert(declaration->declaration_type == DECLARATION_TYPE_UNKNOWN);
- initializer_t *sub_initializer = initializer->initializers[i];
+ type_t *const type = skip_typeref(declaration->type);
+ ir_type *const global_type = get_glob_type();
+ ident *const id = unique_ident(declaration->symbol->string);
+ ir_type *const irtype = get_ir_type(type);
+ dbg_info *const dbgi = get_dbg_info(&declaration->source_position);
+ ir_entity *const entity = new_d_entity(global_type, id, irtype, dbgi);
+ set_entity_ld_ident(entity, id);
- assert(compound_entry != NULL);
- assert(compound_entry->declaration_type
- == DECLARATION_TYPE_COMPOUND_MEMBER);
+ declaration->declaration_type = DECLARATION_TYPE_GLOBAL_VARIABLE;
+ declaration->v.entity = entity;
+ set_entity_variability(entity, variability_uninitialized);
+ set_entity_visibility(entity, visibility_local);
+ set_entity_allocation(entity, allocation_static);
- if(sub_initializer->type == INITIALIZER_VALUE) {
- create_initializer_value(&sub_initializer->value,
- entity, &entry, len);
- } else {
- type_t *entry_type = skip_typeref(compound_entry->type);
- create_initializer_object(sub_initializer, entry_type, entity,
- &entry, len);
- }
+ ir_graph *const old_current_ir_graph = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
- ++i;
- }
+ create_initializer(declaration);
+
+ assert(current_ir_graph == get_const_code_irg());
+ current_ir_graph = old_current_ir_graph;
}
-static void create_initializer_array(initializer_list_t *initializer,
- array_type_t *type, ir_entity *entity,
- compound_graph_path_entry_t *last_entry,
- int len)
+
+
+static void return_statement_to_firm(return_statement_t *statement)
{
- type_t *element_type = type->element_type;
- element_type = skip_typeref(element_type);
+ if(get_cur_block() == NULL)
+ return;
- compound_graph_path_entry_t entry;
- entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
- entry.prev = last_entry;
- ++len;
+ ir_type *func_irtype = get_ir_type(current_function_decl->type);
- size_t i;
- for(i = 0; i < initializer->len; ++i) {
- entry.v.array_index = i;
+ dbg_info *dbgi = get_dbg_info(&statement->statement.source_position);
- initializer_t *sub_initializer = initializer->initializers[i];
+ ir_node *in[1];
+ int in_len;
+ if(get_method_n_ress(func_irtype) > 0) {
+ ir_type *res_type = get_method_res_type(func_irtype, 0);
- if(sub_initializer->type == INITIALIZER_VALUE) {
- create_initializer_value(&sub_initializer->value,
- entity, &entry, len);
+ if(statement->return_value != NULL) {
+ ir_node *node = expression_to_firm(statement->return_value);
+ node = do_strict_conv(dbgi, node);
+ in[0] = node;
} else {
- create_initializer_object(sub_initializer, element_type, entity,
- &entry, len);
+ ir_mode *mode;
+ if(is_compound_type(res_type)) {
+ mode = mode_P_data;
+ } else {
+ mode = get_type_mode(res_type);
+ }
+ in[0] = new_Unknown(mode);
+ }
+ in_len = 1;
+ } else {
+ /* build return_value for its side effects */
+ if(statement->return_value != NULL) {
+ expression_to_firm(statement->return_value);
}
+ in_len = 0;
}
-#if 0
- /* TODO: initialize rest... */
- if(type->size_expression != NULL) {
- size_t array_len = fold_constant(type->size_expression);
- for( ; i < array_len; ++i) {
+ ir_node *store = get_store();
+ ir_node *ret = new_d_Return(dbgi, store, in_len, in);
- }
- }
-#endif
+ ir_node *end_block = get_irg_end_block(current_ir_graph);
+ add_immBlock_pred(end_block, ret);
+
+ set_cur_block(NULL);
}
-static void create_initializer_string(initializer_string_t *initializer,
- array_type_t *type, ir_entity *entity,
- compound_graph_path_entry_t *last_entry,
- int len)
+static ir_node *expression_statement_to_firm(expression_statement_t *statement)
{
- type_t *element_type = type->element_type;
- element_type = skip_typeref(element_type);
-
- compound_graph_path_entry_t entry;
- entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
- entry.prev = last_entry;
- ++len;
+ if(get_cur_block() == NULL)
+ return NULL;
- ir_type *irtype = get_entity_type(entity);
- size_t arr_len = get_array_type_size(type);
- const char *p = initializer->string;
- size_t i = 0;
- for(i = 0; i < arr_len; ++i, ++p) {
- entry.v.array_index = i;
+ return expression_to_firm(statement->expression);
+}
- ir_node *node = new_Const_long(mode_Bs, *p);
- compound_graph_path *path = create_compound_path(irtype, &entry, len);
- add_compound_ent_value_w_path(entity, node, path);
+static ir_node *compound_statement_to_firm(compound_statement_t *compound)
+{
+ ir_node *result = NULL;
+ statement_t *statement = compound->statements;
+ for( ; statement != NULL; statement = statement->base.next) {
+ //context2firm(&statement->context);
- if(*p == '\0')
+ if(statement->base.next == NULL
+ && statement->type == STATEMENT_EXPRESSION) {
+ result = expression_statement_to_firm(
+ (expression_statement_t*) statement);
break;
+ }
+ statement_to_firm(statement);
}
+
+ return result;
}
-static void create_initializer_wide_string(
- const initializer_wide_string_t *const initializer, array_type_t *const type,
- ir_entity *const entity, compound_graph_path_entry_t *const last_entry,
- int len)
+static void create_local_declaration(declaration_t *declaration)
{
- type_t *element_type = type->element_type;
- element_type = skip_typeref(element_type);
-
- compound_graph_path_entry_t entry;
- entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
- entry.prev = last_entry;
- ++len;
+ type_t *type = skip_typeref(declaration->type);
- ir_type *const irtype = get_entity_type(entity);
- const size_t arr_len = get_array_type_size(type);
- const wchar_rep_t * p = initializer->string.begin;
- const wchar_rep_t *const end = p + initializer->string.size;
- for (size_t i = 0; i < arr_len && p != end; ++i, ++p) {
- entry.v.array_index = i;
+ switch ((storage_class_tag_t) declaration->storage_class) {
+ case STORAGE_CLASS_STATIC:
+ create_local_static_variable(declaration);
+ return;
+ case STORAGE_CLASS_ENUM_ENTRY:
+ panic("enum entry declaration in local block found");
+ case STORAGE_CLASS_EXTERN:
+ panic("extern declaration in local block found");
+ case STORAGE_CLASS_NONE:
+ case STORAGE_CLASS_AUTO:
+ case STORAGE_CLASS_REGISTER:
+ if(is_type_function(type)) {
+ panic("nested functions not supported yet");
+ } else {
+ create_local_variable(declaration);
+ }
+ return;
+ case STORAGE_CLASS_TYPEDEF:
+ case STORAGE_CLASS_THREAD:
+ case STORAGE_CLASS_THREAD_EXTERN:
+ case STORAGE_CLASS_THREAD_STATIC:
+ return;
+ }
+ panic("invalid storage class found");
+}
- ir_node *node = new_Const_long(mode_Is, *p);
- compound_graph_path *path = create_compound_path(irtype, &entry, len);
- add_compound_ent_value_w_path(entity, node, path);
+static void declaration_statement_to_firm(declaration_statement_t *statement)
+{
+ declaration_t *declaration = statement->declarations_begin;
+ declaration_t *end = statement->declarations_end->next;
+ for( ; declaration != end; declaration = declaration->next) {
+ create_local_variable(declaration);
}
}
-static void create_initializer_object(initializer_t *initializer, type_t *type,
- ir_entity *entity, compound_graph_path_entry_t *entry, int len)
+static void if_statement_to_firm(if_statement_t *statement)
{
- if(is_type_array(type)) {
- array_type_t *array_type = &type->array;
+ ir_node *cur_block = get_cur_block();
- switch (initializer->type) {
- case INITIALIZER_STRING: {
- initializer_string_t *const string = &initializer->string;
- create_initializer_string(string, array_type, entity, entry, len);
- return;
- }
+ ir_node *fallthrough_block = new_immBlock();
- case INITIALIZER_WIDE_STRING: {
- initializer_wide_string_t *const string = &initializer->wide_string;
- create_initializer_wide_string(string, array_type, entity, entry, len);
- return;
- }
+ /* the true (blocks) */
+ ir_node *true_block;
+ if (statement->true_statement != NULL) {
+ true_block = new_immBlock();
+ statement_to_firm(statement->true_statement);
+ if(get_cur_block() != NULL) {
+ ir_node *jmp = new_Jmp();
+ add_immBlock_pred(fallthrough_block, jmp);
+ }
+ } else {
+ true_block = fallthrough_block;
+ }
- case INITIALIZER_LIST: {
- initializer_list_t *const list = &initializer->list;
- create_initializer_array(list, array_type, entity, entry, len);
- return;
- }
+ /* the false (blocks) */
+ ir_node *false_block;
+ if(statement->false_statement != NULL) {
+ false_block = new_immBlock();
- case INITIALIZER_VALUE:
- break;
+ statement_to_firm(statement->false_statement);
+ if(get_cur_block() != NULL) {
+ ir_node *jmp = new_Jmp();
+ add_immBlock_pred(fallthrough_block, jmp);
}
- panic("Unhandled initializer");
} else {
- assert(initializer->type == INITIALIZER_LIST);
- initializer_list_t *list = &initializer->list;
+ false_block = fallthrough_block;
+ }
- assert(is_type_compound(type));
- compound_type_t *compound_type = &type->compound;
- create_initializer_compound(list, compound_type, entity, entry, len);
+ /* create the condition */
+ if(cur_block != NULL) {
+ set_cur_block(cur_block);
+ create_condition_evaluation(statement->condition, true_block,
+ false_block);
+ }
+
+ mature_immBlock(true_block);
+ if(false_block != fallthrough_block) {
+ mature_immBlock(false_block);
}
+ mature_immBlock(fallthrough_block);
+
+ set_cur_block(fallthrough_block);
}
-static void create_initializer_local_variable_entity(declaration_t *declaration)
+static void while_statement_to_firm(while_statement_t *statement)
{
- initializer_t *initializer = declaration->init.initializer;
- dbg_info *dbgi = get_dbg_info(&declaration->source_position);
- ir_entity *entity = declaration->v.entity;
- ir_node *memory = get_store();
- ir_node *nomem = new_NoMem();
- ir_node *frame = get_irg_frame(current_ir_graph);
- ir_node *addr = new_d_simpleSel(dbgi, nomem, frame, entity);
-
- if(initializer->type == INITIALIZER_VALUE) {
- initializer_value_t *initializer_value = &initializer->value;
+ ir_node *jmp = NULL;
+ if(get_cur_block() != NULL) {
+ jmp = new_Jmp();
+ }
- ir_node *value = expression_to_firm(initializer_value->value);
- type_t *type = skip_typeref(declaration->type);
- assign_value(dbgi, addr, type, value);
- return;
+ /* create the header block */
+ ir_node *header_block = new_immBlock();
+ if(jmp != NULL) {
+ add_immBlock_pred(header_block, jmp);
}
- /* create a "template" entity which is copied to the entity on the stack */
- ident *id = unique_ident("initializer");
- ir_type *irtype = get_ir_type(declaration->type);
- ir_type *global_type = get_glob_type();
- ir_entity *init_entity = new_entity(global_type, id, irtype);
- set_entity_ld_ident(init_entity, id);
+ /* the false block */
+ ir_node *false_block = new_immBlock();
- set_entity_variability(init_entity, variability_initialized);
- set_entity_visibility(init_entity, visibility_local);
+ /* the loop body */
+ ir_node *body_block;
+ if (statement->body != NULL) {
+ ir_node *old_continue_label = continue_label;
+ ir_node *old_break_label = break_label;
+ continue_label = header_block;
+ break_label = false_block;
- ir_graph *old_current_ir_graph = current_ir_graph;
- current_ir_graph = get_const_code_irg();
+ body_block = new_immBlock();
+ statement_to_firm(statement->body);
- type_t *type = skip_typeref(declaration->type);
- create_initializer_object(initializer, type, init_entity, NULL, 0);
+ assert(continue_label == header_block);
+ assert(break_label == false_block);
+ continue_label = old_continue_label;
+ break_label = old_break_label;
- assert(current_ir_graph == get_const_code_irg());
- current_ir_graph = old_current_ir_graph;
+ if(get_cur_block() != NULL) {
+ jmp = new_Jmp();
+ add_immBlock_pred(header_block, jmp);
+ }
+ } else {
+ body_block = header_block;
+ }
+
+ /* create the condition */
+ set_cur_block(header_block);
- ir_node *src_addr = create_symconst(dbgi, init_entity);
- ir_node *copyb = new_d_CopyB(dbgi, memory, addr, src_addr, irtype);
+ create_condition_evaluation(statement->condition, body_block, false_block);
+ mature_immBlock(body_block);
+ mature_immBlock(false_block);
+ mature_immBlock(header_block);
- ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
- set_store(copyb_mem);
+ set_cur_block(false_block);
}
-static void create_initializer(declaration_t *declaration)
+static void do_while_statement_to_firm(do_while_statement_t *statement)
{
- initializer_t *initializer = declaration->init.initializer;
- if(initializer == NULL)
- return;
-
- declaration_type_t declaration_type
- = (declaration_type_t) declaration->declaration_type;
- if(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY) {
- create_initializer_local_variable_entity(declaration);
- return;
+ ir_node *jmp = NULL;
+ if(get_cur_block() != NULL) {
+ jmp = new_Jmp();
}
- if(initializer->type == INITIALIZER_VALUE) {
- initializer_value_t *initializer_value = &initializer->value;
+ /* create the header block */
+ ir_node *header_block = new_immBlock();
- ir_node *value = expression_to_firm(initializer_value->value);
+ /* the false block */
+ ir_node *false_block = new_immBlock();
- if(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE) {
- set_value(declaration->v.value_number, value);
- } else {
- assert(declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
+ /* the loop body */
+ ir_node *body_block = new_immBlock();
+ if(jmp != NULL) {
+ add_immBlock_pred(body_block, jmp);
+ }
- ir_entity *entity = declaration->v.entity;
+ if (statement->body != NULL) {
+ ir_node *old_continue_label = continue_label;
+ ir_node *old_break_label = break_label;
+ continue_label = header_block;
+ break_label = false_block;
- set_entity_variability(entity, variability_initialized);
- set_atomic_ent_value(entity, value);
- }
- } else {
- assert(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY
- || declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
+ statement_to_firm(statement->body);
- ir_entity *entity = declaration->v.entity;
- set_entity_variability(entity, variability_initialized);
+ assert(continue_label == header_block);
+ assert(break_label == false_block);
+ continue_label = old_continue_label;
+ break_label = old_break_label;
- type_t *type = skip_typeref(declaration->type);
- create_initializer_object(initializer, type, entity, NULL, 0);
+ if (get_cur_block() == NULL) {
+ mature_immBlock(header_block);
+ mature_immBlock(body_block);
+ mature_immBlock(false_block);
+ return;
+ }
}
+
+ ir_node *body_jmp = new_Jmp();
+ add_immBlock_pred(header_block, body_jmp);
+ mature_immBlock(header_block);
+
+ /* create the condition */
+ set_cur_block(header_block);
+
+ create_condition_evaluation(statement->condition, body_block, false_block);
+ mature_immBlock(body_block);
+ mature_immBlock(false_block);
+ mature_immBlock(header_block);
+
+ set_cur_block(false_block);
}
-static void create_local_variable(declaration_t *declaration)
+static void for_statement_to_firm(for_statement_t *statement)
{
- assert(declaration->declaration_type == DECLARATION_TYPE_UNKNOWN);
+ ir_node *jmp = NULL;
+ if (get_cur_block() != NULL) {
+ if(statement->initialisation != NULL) {
+ expression_to_firm(statement->initialisation);
+ }
- bool needs_entity = declaration->address_taken;
- type_t *type = skip_typeref(declaration->type);
+ /* create declarations */
+ declaration_t *declaration = statement->context.declarations;
+ for( ; declaration != NULL; declaration = declaration->next) {
+ create_local_declaration(declaration);
+ }
- if(is_type_array(type) || is_type_compound(type)) {
- needs_entity = true;
+ jmp = new_Jmp();
}
- if(needs_entity) {
- ir_type *frame_type = get_irg_frame_type(current_ir_graph);
- create_declaration_entity(declaration,
- DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY,
- frame_type);
- } else {
- declaration->declaration_type = DECLARATION_TYPE_LOCAL_VARIABLE;
- declaration->v.value_number = next_value_number_function;
- ++next_value_number_function;
+
+ /* create the step block */
+ ir_node *const step_block = new_immBlock();
+ if (statement->step != NULL) {
+ expression_to_firm(statement->step);
}
+ ir_node *const step_jmp = new_Jmp();
- create_initializer(declaration);
-}
+ /* create the header block */
+ ir_node *const header_block = new_immBlock();
+ if (jmp != NULL) {
+ add_immBlock_pred(header_block, jmp);
+ }
+ add_immBlock_pred(header_block, step_jmp);
-static void create_local_static_variable(declaration_t *declaration)
-{
- assert(declaration->declaration_type == DECLARATION_TYPE_UNKNOWN);
+ /* the false block */
+ ir_node *const false_block = new_immBlock();
- type_t *type = skip_typeref(declaration->type);
- ir_type *global_type = get_glob_type();
- ident *id = unique_ident(declaration->symbol->string);
- ir_type *irtype = get_ir_type(type);
- ir_entity *entity = new_entity(global_type, id, irtype);
- set_entity_ld_ident(entity, id);
+ /* the loop body */
+ ir_node * body_block;
+ if (statement->body != NULL) {
+ ir_node *const old_continue_label = continue_label;
+ ir_node *const old_break_label = break_label;
+ continue_label = step_block;
+ break_label = false_block;
- declaration->declaration_type = DECLARATION_TYPE_GLOBAL_VARIABLE;
- declaration->v.entity = entity;
- set_entity_variability(entity, variability_uninitialized);
- set_entity_visibility(entity, visibility_local);
+ body_block = new_immBlock();
+ statement_to_firm(statement->body);
- ir_graph *old_current_ir_graph = current_ir_graph;
- current_ir_graph = get_const_code_irg();
+ assert(continue_label == step_block);
+ assert(break_label == false_block);
+ continue_label = old_continue_label;
+ break_label = old_break_label;
- create_initializer(declaration);
+ if (get_cur_block() != NULL) {
+ jmp = new_Jmp();
+ add_immBlock_pred(step_block, jmp);
+ }
+ } else {
+ body_block = step_block;
+ }
- assert(current_ir_graph == get_const_code_irg());
- current_ir_graph = old_current_ir_graph;
-}
+ /* create the condition */
+ set_cur_block(header_block);
+ if (statement->condition != NULL) {
+ create_condition_evaluation(statement->condition, body_block,
+ false_block);
+ } else {
+ keep_alive(header_block);
+ jmp = new_Jmp();
+ add_immBlock_pred(body_block, jmp);
+ }
-static void declaration_statement_to_firm(declaration_statement_t *statement)
-{
- declaration_t *declaration = statement->declarations_begin;
- declaration_t *end = statement->declarations_end->next;
- for( ; declaration != end; declaration = declaration->next) {
- type_t *type = skip_typeref(declaration->type);
+ mature_immBlock(body_block);
+ mature_immBlock(false_block);
+ mature_immBlock(step_block);
+ mature_immBlock(header_block);
+ mature_immBlock(false_block);
- switch ((storage_class_tag_t) declaration->storage_class) {
- case STORAGE_CLASS_TYPEDEF:
- continue;
- case STORAGE_CLASS_STATIC:
- create_local_static_variable(declaration);
- continue;
- case STORAGE_CLASS_ENUM_ENTRY:
- panic("enum entry declaration in local block found");
- case STORAGE_CLASS_EXTERN:
- panic("extern declaration in local block found");
- case STORAGE_CLASS_NONE:
- case STORAGE_CLASS_AUTO:
- case STORAGE_CLASS_REGISTER:
- if(is_type_function(type)) {
- panic("nested functions not supported yet");
- } else {
- create_local_variable(declaration);
- }
- continue;
- case STORAGE_CLASS_THREAD:
- case STORAGE_CLASS_THREAD_EXTERN:
- case STORAGE_CLASS_THREAD_STATIC:
- break;
- }
- panic("invalid storage class found");
- }
+ set_cur_block(false_block);
}
static void create_jump_statement(const statement_t *statement,
set_cur_block(break_block);
}
-static long fold_constant(const expression_t *expression)
-{
- ir_graph *old_current_ir_graph = current_ir_graph;
- current_ir_graph = get_const_code_irg();
-
- ir_node *cnst = expression_to_firm(expression);
- if(!is_Const(cnst)) {
- panic("couldn't fold constantl");
- }
- tarval *tv = get_Const_tarval(cnst);
- if(!tarval_is_long(tv)) {
- panic("folded constant not an integer");
- }
-
- long res = get_tarval_long(tv);
-
- current_ir_graph = old_current_ir_graph;
- return res;
-}
-
static void case_label_to_firm(const case_label_statement_t *statement)
{
dbg_info *dbgi = get_dbg_info(&statement->statement.source_position);
set_cur_block(NULL);
}
+typedef enum modifier_t {
+ ASM_MODIFIER_WRITE_ONLY = 1 << 0,
+ ASM_MODIFIER_READ_WRITE = 1 << 1,
+ ASM_MODIFIER_COMMUTATIVE = 1 << 2,
+ ASM_MODIFIER_EARLYCLOBBER = 1 << 3,
+} modifier_t;
+
+#if 0
+static void asm_statement_to_firm(const asm_statement_t *statement)
+{
+ bool needs_memory = false;
+
+ size_t n_clobbers = 0;
+ asm_clobber_t *clobber = statement->clobbers;
+ for( ; clobber != NULL; clobber = clobber->next) {
+ if(strcmp(clobber->clobber, "memory") == 0) {
+ needs_memory = true;
+ continue;
+ }
+
+ ident *id = new_id_from_str(clobber->clobber);
+ obstack_ptr_grow(&asm_obst, id);
+ ++n_clobbers;
+ }
+ assert(obstack_object_size(&asm_obst) == n_clobbers * sizeof(ident*));
+ ident **clobbers = NULL;
+ if(n_clobbers > 0) {
+ clobbers = obstack_finish(&asm_obst);
+ }
+
+ /* find and count input and output constraints */
+ asm_constraint_t *constraint = statement->inputs;
+ for( ; constraint != NULL; constraint = constraint->next) {
+ int modifiers = 0;
+ bool supports_memop = false;
+ for(const char *c = constraint->constraints; *c != 0; ++c) {
+ /* TODO: improve error messages */
+ switch(*c) {
+ case '?':
+ case '!':
+ panic("multiple alternative assembler constraints not "
+ "supported");
+ case 'm':
+ case 'o':
+ case 'V':
+ case '<':
+ case '>':
+ case 'X':
+ supports_memop = true;
+ obstack_1grow(&asm_obst, *c);
+ break;
+ case '=':
+ if(modifiers & ASM_MODIFIER_READ_WRITE)
+ panic("inconsistent register constraints");
+ modifiers |= ASM_MODIFIER_WRITE_ONLY;
+ break;
+ case '+':
+ if(modifiers & ASM_MODIFIER_WRITE_ONLY)
+ panic("inconsistent register constraints");
+ modifiers |= ASM_MODIFIER_READ_WRITE;
+ break;
+ case '&':
+ modifiers |= ASM_MODIFIER_EARLYCLOBBER;
+ panic("early clobber assembler constraint not supported yet");
+ break;
+ case '%':
+ modifiers |= ASM_MODIFIER_COMMUTATIVE;
+ panic("commutative assembler constraint not supported yet");
+ break;
+ case '#':
+ /* skip register preferences stuff... */
+ while(*c != 0 && *c != ',')
+ ++c;
+ break;
+ case '*':
+ /* skip register preferences stuff... */
+ ++c;
+ break;
+ default:
+ obstack_1grow(&asm_obst, *c);
+ break;
+ }
+ }
+ obstack_1grow(&asm_obst, '\0');
+ const char *constraint_string = obstack_finish(&asm_obst);
+
+ needs_memory |= supports_memop;
+ if(supports_memop) {
+
+ }
+ }
+
+}
+#endif
+
static void statement_to_firm(statement_t *statement)
{
switch(statement->type) {
goto_to_firm(&statement->gotos);
return;
case STATEMENT_ASM:
+ //asm_statement_to_firm(&statement->asms);
+ //return;
break;
}
panic("Statement not implemented\n");
return count;
}
+static int count_decls_in_expr(const expression_t *expr) {
+ if (expr != NULL && expr->base.type == EXPR_STATEMENT)
+ return count_decls_in_stmts(expr->statement.statement);
+ return 0;
+}
+
static int count_decls_in_stmts(const statement_t *stmt)
{
int count = 0;
for (; stmt != NULL; stmt = stmt->base.next) {
switch (stmt->type) {
case STATEMENT_DECLARATION: {
- const declaration_statement_t *const decl_stmt =
- (const declaration_statement_t*)stmt;
+ const declaration_statement_t *const decl_stmt = &stmt->declaration;
count += count_local_declarations(decl_stmt->declarations_begin,
decl_stmt->declarations_end->next);
break;
}
case STATEMENT_IF: {
- const if_statement_t *const if_stmt = (const if_statement_t*)stmt;
+ const if_statement_t *const if_stmt = &stmt->ifs;
+ count += count_decls_in_expr(if_stmt->condition);
count += count_decls_in_stmts(if_stmt->true_statement);
count += count_decls_in_stmts(if_stmt->false_statement);
break;
}
case STATEMENT_SWITCH: {
- const switch_statement_t *const switch_stmt =
- (const switch_statement_t*)stmt;
+ const switch_statement_t *const switch_stmt = &stmt->switchs;
+ count += count_decls_in_expr(switch_stmt->expression);
count += count_decls_in_stmts(switch_stmt->body);
break;
}
case STATEMENT_LABEL: {
- const label_statement_t *const label_stmt =
- (const label_statement_t*)stmt;
+ const label_statement_t *const label_stmt = &stmt->label;
count += count_decls_in_stmts(label_stmt->label_statement);
break;
}
case STATEMENT_WHILE: {
- const while_statement_t *const while_stmt =
- (const while_statement_t*)stmt;
+ const while_statement_t *const while_stmt = &stmt->whiles;
+ count += count_decls_in_expr(while_stmt->condition);
count += count_decls_in_stmts(while_stmt->body);
break;
}
case STATEMENT_DO_WHILE: {
- const do_while_statement_t *const do_while_stmt =
- (const do_while_statement_t*)stmt;
+ const do_while_statement_t *const do_while_stmt = &stmt->do_while;
+ count += count_decls_in_expr(do_while_stmt->condition);
count += count_decls_in_stmts(do_while_stmt->body);
break;
}
case STATEMENT_FOR: {
- const for_statement_t *const for_stmt =
- (const for_statement_t*)stmt;
- /* TODO initialisation */
+ const for_statement_t *const for_stmt = &stmt->fors;
+ count += count_local_declarations(for_stmt->context.declarations, NULL);
+ count += count_decls_in_expr(for_stmt->initialisation);
+ count += count_decls_in_expr(for_stmt->condition);
+ count += count_decls_in_expr(for_stmt->step);
count += count_decls_in_stmts(for_stmt->body);
break;
}
case STATEMENT_BREAK:
case STATEMENT_CASE_LABEL:
case STATEMENT_CONTINUE:
- case STATEMENT_EXPRESSION:
+ break;
+
+ case STATEMENT_EXPRESSION: {
+ const expression_statement_t *expr_stmt = &stmt->expression;
+ count += count_decls_in_expr(expr_stmt->expression);
+ break;
+ }
+
case STATEMENT_GOTO:
case STATEMENT_INVALID:
- case STATEMENT_RETURN:
break;
+
+ case STATEMENT_RETURN: {
+ const return_statement_t *ret_stmt = &stmt->returns;
+ count += count_decls_in_expr(ret_stmt->return_value);
+ break;
+ }
}
}
return count;
/* count local variables declared in body */
count += count_decls_in_stmts(declaration->init.statement);
- /* TODO FIXME: Matze: I'm lazy don't want to scan all expressions
- * for expression statements... */
- count += 10;
-
return count;
}
}
}
+/**
+ * Handle additional decl modifiers for IR-graphs
+ *
+ * @param irg the IR-graph
+ * @param dec_modifiers additional modifiers
+ */
+static void handle_decl_modifier_irg(ir_graph_ptr irg, decl_modifiers_t decl_modifiers)
+{
+ if (decl_modifiers & DM_NORETURN) {
+ /* TRUE if the declaration includes the Microsoft
+ __declspec(noreturn) specifier. */
+ set_irg_additional_property(irg, mtp_property_noreturn);
+ }
+ if (decl_modifiers & DM_NOTHROW) {
+ /* TRUE if the declaration includes the Microsoft
+ __declspec(nothrow) specifier. */
+ set_irg_additional_property(irg, mtp_property_nothrow);
+ }
+ if (decl_modifiers & DM_NAKED) {
+ /* TRUE if the declaration includes the Microsoft
+ __declspec(naked) specifier. */
+ set_irg_additional_property(irg, mtp_property_naked);
+ }
+ if (decl_modifiers & DM_FORCEINLINE) {
+ /* TRUE if the declaration includes the
+ Microsoft __forceinline specifier. */
+ set_irg_inline_property(irg, irg_inline_forced);
+ }
+ if (decl_modifiers & DM_NOINLINE) {
+ /* TRUE if the declaration includes the Microsoft
+ __declspec(noinline) specifier. */
+ set_irg_inline_property(irg, irg_inline_forbidden);
+ }
+}
+
static void create_function(declaration_t *declaration)
{
ir_entity *function_entity = get_function_entity(declaration);
ir_graph *irg = new_ir_graph(function_entity, n_local_vars);
ir_node *first_block = get_cur_block();
+ /* set inline flags */
+ if (declaration->is_inline)
+ set_irg_inline_property(irg, irg_inline_recomended);
+ handle_decl_modifier_irg(irg, declaration->decl_modifiers);
+
next_value_number_function = 0;
initialize_function_parameters(declaration);
}
ir_node *in[1];
- // §5.1.2.2.3 main implicitly returns 0
+ /* §5.1.2.2.3 main implicitly returns 0 */
if (strcmp(declaration->symbol->string, "main") == 0) {
in[0] = new_Const(mode, get_mode_null(mode));
} else {
}
}
+void init_ast2firm(void)
+{
+ obstack_init(&asm_obst);
+ init_atomic_modes();
+}
+
+void exit_ast2firm(void)
+{
+ obstack_free(&asm_obst, NULL);
+}
+
void translation_unit_to_firm(translation_unit_t *unit)
{
type_const_char = make_atomic_type(ATOMIC_TYPE_CHAR, TYPE_QUALIFIER_CONST);
projects / cparser / blobdiff