#include "token_t.h"
#include "type_t.h"
#include "ast_t.h"
+#include "parser.h"
#define MAGIC_DEFAULT_PN_NUMBER (long) -314159265
static ir_type *ir_type_const_char;
static ir_type *ir_type_void;
static ir_type *ir_type_int;
-static ir_type *ir_type_void_ptr;
static type_t *type_const_char;
static type_t *type_void;
static type_t *type_int;
+static symbol_t *symbol_alloca;
+
static int next_value_number_function;
static ir_node *continue_label;
static ir_node *break_label;
DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY,
DECLARATION_TYPE_COMPOUND_MEMBER,
DECLARATION_TYPE_LABEL_BLOCK,
+ DECLARATION_TYPE_ENUM_ENTRY
} declaration_type_t;
static ir_type *get_ir_type(type_t *type);
ir_type_const_char = get_ir_type(type_const_char);
ir_type_void = get_ir_type(type_int); /* we don't have a real void
type in firm */
- ir_type_void_ptr = new_type_pointer(new_id_from_str("void_ptr"),
- ir_type_void, mode_P_data);
- type_void->firm_type = ir_type_void;
+ type_void->base.firm_type = ir_type_void;
+
+ symbol_alloca = symbol_table_insert("__builtin_alloca");
}
void exit_ast2firm(void)
static unsigned get_compound_type_size(compound_type_t *type)
{
- ir_type *irtype = get_ir_type(&type->type);
+ ir_type *irtype = get_ir_type((type_t*) type);
return get_type_size_bytes(irtype);
}
static unsigned get_array_type_size(array_type_t *type)
{
- ir_type *irtype = get_ir_type(&type->type);
+ ir_type *irtype = get_ir_type((type_t*) type);
return get_type_size_bytes(irtype);
}
switch(type->type) {
case TYPE_ATOMIC:
- return get_atomic_type_size((const atomic_type_t*) type);
+ return get_atomic_type_size(&type->atomic);
case TYPE_ENUM:
return get_mode_size_bytes(mode_Is);
case TYPE_COMPOUND_UNION:
case TYPE_COMPOUND_STRUCT:
- return get_compound_type_size((compound_type_t*) type);
+ return get_compound_type_size(&type->compound);
case TYPE_FUNCTION:
/* just a pointer to the function */
return get_mode_size_bytes(mode_P_code);
case TYPE_POINTER:
return get_mode_size_bytes(mode_P_data);
case TYPE_ARRAY:
- return get_array_type_size((array_type_t*) type);
+ return get_array_type_size(&type->array);
case TYPE_BUILTIN:
case TYPE_TYPEDEF:
case TYPE_TYPEOF:
return ir_type;
}
+static ir_node *expression_to_firm(const expression_t *expression);
+static inline ir_mode *get_ir_mode(type_t *type);
+
+static ir_type *create_enum_type(enum_type_t *const type)
+{
+ type->type.firm_type = ir_type_int;
+
+ ir_mode *const mode = get_ir_mode((type_t*) type);
+ tarval *const one = get_mode_one(mode);
+ tarval * tv_next = get_tarval_null(mode);
+
+ declaration_t *declaration = type->declaration->next;
+ for (; declaration != NULL; declaration = declaration->next) {
+ if (declaration->storage_class != STORAGE_CLASS_ENUM_ENTRY)
+ break;
+
+ declaration->declaration_type = DECLARATION_TYPE_ENUM_ENTRY;
+
+ expression_t *const init = declaration->init.enum_value;
+ if (init != NULL) {
+ ir_node *const cnst = expression_to_firm(init);
+ if (!is_Const(cnst)) {
+ panic("couldn't fold constant");
+ }
+ tv_next = get_Const_tarval(cnst);
+ }
+ declaration->v.enum_val = tv_next;
+ tv_next = tarval_add(tv_next, one);
+ }
+
+ return ir_type_int;
+}
+
static ir_type *get_ir_type(type_t *type)
{
assert(type != NULL);
type = skip_typeref(type);
- if(type->firm_type != NULL) {
- assert(type->firm_type != INVALID_TYPE);
- return type->firm_type;
+ if(type->base.firm_type != NULL) {
+ assert(type->base.firm_type != INVALID_TYPE);
+ return type->base.firm_type;
}
ir_type *firm_type = NULL;
switch(type->type) {
case TYPE_ATOMIC:
- firm_type = create_atomic_type((atomic_type_t*) type);
+ firm_type = create_atomic_type(&type->atomic);
break;
case TYPE_FUNCTION:
- firm_type = create_method_type((function_type_t*) type);
+ firm_type = create_method_type(&type->function);
break;
case TYPE_POINTER:
- firm_type = create_pointer_type((pointer_type_t*) type);
+ firm_type = create_pointer_type(&type->pointer);
break;
case TYPE_ARRAY:
- firm_type = create_array_type((array_type_t*) type);
+ firm_type = create_array_type(&type->array);
break;
case TYPE_COMPOUND_STRUCT:
- firm_type = create_struct_type((compound_type_t*) type);
+ firm_type = create_struct_type(&type->compound);
break;
case TYPE_COMPOUND_UNION:
- firm_type = create_union_type((compound_type_t*) type);
+ firm_type = create_union_type(&type->compound);
break;
case TYPE_ENUM:
- firm_type = ir_type_int;
+ firm_type = create_enum_type(&type->enumt);
break;
case TYPE_BUILTIN:
case TYPE_TYPEOF:
if(firm_type == NULL)
panic("unknown type found");
- type->firm_type = firm_type;
+ type->base.firm_type = firm_type;
return firm_type;
}
return entity;
}
-
-
-static ir_node *expression_to_firm(const expression_t *expression);
-
static dbg_info *get_dbg_info(const source_position_t *pos)
{
return (dbg_info*) pos;
}
-static ir_node *const_to_firm(const const_t *cnst)
+static ir_node *const_to_firm(const const_expression_t *cnst)
{
dbg_info *dbgi = get_dbg_info(&cnst->expression.source_position);
ir_mode *mode = get_ir_mode(cnst->expression.datatype);
- tarval *tv;
+ char buf[128];
+ tarval *tv;
+ size_t len;
if(mode_is_float(mode)) {
tv = new_tarval_from_double(cnst->v.float_value, mode);
} else {
- tv = new_tarval_from_long(cnst->v.int_value, mode);
+ if(mode_is_signed(mode)) {
+ len = snprintf(buf, sizeof(buf), "%lld", cnst->v.int_value);
+ } else {
+ len = snprintf(buf, sizeof(buf), "%llu",
+ (unsigned long long) cnst->v.int_value);
+ }
+ tv = new_tarval_from_str(buf, len, mode);
}
return new_d_Const(dbgi, mode, tv);
return create_symconst(dbgi, entity);
}
-static ir_node *string_literal_to_firm(const string_literal_t* literal)
+static ir_node *string_literal_to_firm(
+ const string_literal_expression_t* literal)
{
return string_to_firm(&literal->expression.source_position, "Lstr",
literal->value);
}
-static ir_node *deref_address(type_t *const type, ir_node *const addr,
+static ir_node *deref_address(ir_type *const irtype, ir_node *const addr,
dbg_info *const dbgi)
{
- switch (type->type) {
- case TYPE_ARRAY:
- case TYPE_COMPOUND_STRUCT:
- case TYPE_COMPOUND_UNION:
- return addr;
-
- default: {
- ir_mode *const mode = get_ir_mode(type);
- ir_node *const memory = get_store();
- ir_node *const load = new_d_Load(dbgi, memory, addr, mode);
- ir_node *const load_mem = new_d_Proj(dbgi, load, mode_M, pn_Load_M);
- ir_node *const load_res = new_d_Proj(dbgi, load, mode, pn_Load_res);
- set_store(load_mem);
- return load_res;
+ if(is_compound_type(irtype) || is_Array_type(irtype)) {
+ return addr;
+ }
+
+ ir_mode *const mode = get_type_mode(irtype);
+ ir_node *const memory = get_store();
+ ir_node *const load = new_d_Load(dbgi, memory, addr, mode);
+ ir_node *const load_mem = new_d_Proj(dbgi, load, mode_M, pn_Load_M);
+ ir_node *const load_res = new_d_Proj(dbgi, load, mode, pn_Load_res);
+ set_store(load_mem);
+ return load_res;
+}
+
+static ir_node *get_global_var_address(dbg_info *const dbgi,
+ const declaration_t *const decl)
+{
+ assert(decl->declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
+
+ ir_entity *const entity = decl->v.entity;
+ switch ((storage_class_tag_t)decl->storage_class) {
+ case STORAGE_CLASS_THREAD:
+ case STORAGE_CLASS_THREAD_EXTERN:
+ case STORAGE_CLASS_THREAD_STATIC: {
+ ir_node *const no_mem = new_NoMem();
+ ir_node *const tls = get_irg_tls(current_ir_graph);
+ return new_d_simpleSel(dbgi, no_mem, tls, entity);
}
+
+ default:
+ return create_symconst(dbgi, entity);
}
}
switch((declaration_type_t) declaration->declaration_type) {
case DECLARATION_TYPE_UNKNOWN:
- break;
+ if (declaration->storage_class != STORAGE_CLASS_ENUM_ENTRY) {
+ break;
+ }
+ get_ir_type(type);
+ /* FALLTHROUGH */
+
+ case DECLARATION_TYPE_ENUM_ENTRY: {
+ ir_mode *const mode = get_ir_mode(type);
+ return new_Const(mode, declaration->v.enum_val);
+ }
+
case DECLARATION_TYPE_LOCAL_VARIABLE: {
ir_mode *mode = get_ir_mode(type);
return get_value(declaration->v.value_number, mode);
return create_symconst(dbgi, declaration->v.entity);
}
case DECLARATION_TYPE_GLOBAL_VARIABLE: {
- ir_entity *entity = declaration->v.entity;
- ir_node *symconst = create_symconst(dbgi, entity);
- return deref_address(type, symconst, dbgi);
+ ir_node *const addr = get_global_var_address(dbgi, declaration);
+ ir_type *const irtype = get_entity_type(declaration->v.entity);
+ return deref_address(irtype, addr, dbgi);
}
+
case DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY: {
ir_entity *entity = declaration->v.entity;
ir_node *frame = get_irg_frame(current_ir_graph);
ir_node *sel = new_d_simpleSel(dbgi, new_NoMem(), frame, entity);
- return deref_address(type, sel, dbgi);
+ ir_type *irtype = get_entity_type(entity);
+ return deref_address(irtype, sel, dbgi);
}
case DECLARATION_TYPE_COMPOUND_MEMBER:
return create_symconst(dbgi, declaration->v.entity);
}
case DECLARATION_TYPE_GLOBAL_VARIABLE: {
- ir_entity *entity = declaration->v.entity;
- ir_node *symconst = create_symconst(dbgi, entity);
- return symconst;
+ ir_node *const addr = get_global_var_address(dbgi, declaration);
+ return addr;
}
case DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY: {
ir_entity *entity = declaration->v.entity;
return sel;
}
+
+ case DECLARATION_TYPE_ENUM_ENTRY:
+ panic("trying to reference enum entry");
+
case DECLARATION_TYPE_COMPOUND_MEMBER:
case DECLARATION_TYPE_LABEL_BLOCK:
panic("not implemented reference type");
panic("reference to declaration with unknown type found");
}
-static ir_node *call_expression_to_firm(const call_expression_t *call)
+static ir_node *process_builtin_call(const call_expression_t *call)
{
- assert(get_cur_block() != NULL);
+ dbg_info *dbgi = get_dbg_info(&call->expression.source_position);
- expression_t *function = call->function;
- ir_node *callee = expression_to_firm(function);
+ assert(call->function->type == EXPR_BUILTIN_SYMBOL);
+ builtin_symbol_expression_t *builtin
+ = (builtin_symbol_expression_t*) call->function;
+ symbol_t *symbol = builtin->symbol;
+
+ if(symbol == symbol_alloca) {
+ if(call->arguments == NULL || call->arguments->next != NULL) {
+ panic("invalid number of parameters on __builtin_alloca");
+ }
+ expression_t *argument = call->arguments->expression;
+ ir_node *size = expression_to_firm(argument);
- function_type_t *function_type;
- if (function->datatype->type == TYPE_POINTER) {
- pointer_type_t *const ptr_type = (pointer_type_t*)function->datatype;
- assert(ptr_type->points_to->type == TYPE_FUNCTION);
- function_type = (function_type_t*)ptr_type->points_to;
+ ir_node *store = get_store();
+ ir_node *alloca = new_d_Alloc(dbgi, store, size, firm_unknown_type,
+ stack_alloc);
+ ir_node *proj_m = new_Proj(alloca, mode_M, pn_Alloc_M);
+ set_store(proj_m);
+ ir_node *res = new_Proj(alloca, mode_P_data, pn_Alloc_res);
+
+ return res;
} else {
- assert(function->datatype->type == TYPE_FUNCTION);
- function_type = (function_type_t*)function->datatype;
+ panic("Unsupported builtin found\n");
+ }
+}
+
+static ir_node *call_expression_to_firm(const call_expression_t *call)
+{
+ assert(get_cur_block() != NULL);
+
+ expression_t *function = call->function;
+ if(function->type == EXPR_BUILTIN_SYMBOL) {
+ return process_builtin_call(call);
}
+ ir_node *callee = expression_to_firm(function);
+
+ type_t *type = function->base.datatype;
+ assert(type->type == TYPE_POINTER);
+ pointer_type_t *const ptr_type = &type->pointer;
+ assert(ptr_type->points_to->type == TYPE_FUNCTION);
+ function_type_t *function_type = &ptr_type->points_to->function;
int n_parameters = 0;
call_argument_t *argument = call->arguments;
in[n] = arg_node;
if(new_method_type != NULL) {
- ir_type *irtype = get_ir_type(expression->datatype);
+ ir_type *irtype = get_ir_type(expression->base.datatype);
set_method_param_type(new_method_type, n, irtype);
}
ir_node *mem = new_d_Proj(dbgi, node, mode_M, pn_Call_M_regular);
set_store(mem);
- type_t *result_type = function_type->result_type;
+ type_t *result_type = skip_typeref(function_type->result_type);
ir_node *result = NULL;
- if(result_type != type_void) {
- ir_mode *mode = get_ir_mode(result_type);
+
+ if(!is_type_atomic(result_type, ATOMIC_TYPE_VOID)) {
+ ir_mode *mode;
+ if(is_type_scalar(result_type)) {
+ mode = get_ir_mode(result_type);
+ } else {
+ mode = mode_P_data;
+ }
ir_node *resproj = new_d_Proj(dbgi, node, mode_T, pn_Call_T_result);
result = new_d_Proj(dbgi, resproj, mode, 0);
}
return result;
}
+static void statement_to_firm(statement_t *statement);
+static ir_node *compound_statement_to_firm(compound_statement_t *compound);
+
static ir_node *expression_to_addr(const expression_t *expression);
static void create_condition_evaluation(const expression_t *expression,
ir_node *true_block,
}
}
- dbg_info *dbgi = get_dbg_info(&expression->source_position);
- ir_node *addr = expression_to_addr(expression);
- assert(get_irn_mode(value) == get_ir_mode(expression->datatype));
- ir_node *memory = get_store();
- ir_node *store = new_d_Store(dbgi, memory, addr, value);
- ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M);
- set_store(store_mem);
+ dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
+ ir_node *addr = expression_to_addr(expression);
+ ir_node *memory = get_store();
+
+ type_t *type = skip_typeref(expression->base.datatype);
+ if(is_type_scalar(type)) {
+ ir_node *store = new_d_Store(dbgi, memory, addr, value);
+ ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M);
+ set_store(store_mem);
+ } else {
+ ir_type *irtype = get_ir_type(type);
+ ir_node *copyb = new_d_CopyB(dbgi, memory, addr, value, irtype);
+ ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
+ set_store(copyb_mem);
+ }
}
static ir_node *create_conv(dbg_info *dbgi, ir_node *value, ir_mode *dest_mode)
ir_node *offset;
if(type->type == TYPE_POINTER) {
- pointer_type_t *pointer_type = (pointer_type_t*) 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);
} else {
offset = new_Const(mode, get_mode_one(mode));
}
- ir_node *new_value;
switch(expression->type) {
case UNEXPR_POSTFIX_INCREMENT: {
ir_node *new_value = new_d_Add(dbgi, value_node, offset, mode);
}
default:
panic("no incdec expr in create_incdec");
+ return NULL;
}
-
- return new_value;
}
static ir_node *unary_expression_to_firm(const unary_expression_t *expression)
{
dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
- type_t *type = expression->expression.datatype;
+ type_t *type = skip_typeref(expression->expression.datatype);
if(expression->type == UNEXPR_TAKE_ADDRESS)
return expression_to_addr(expression->value);
}
return value_node;
}
- case UNEXPR_DEREFERENCE:
- return deref_address(type, value_node, dbgi);
+ case UNEXPR_DEREFERENCE: {
+ ir_type *irtype = get_ir_type(type);
+ return deref_address(irtype, value_node, dbgi);
+ }
case UNEXPR_POSTFIX_INCREMENT:
case UNEXPR_POSTFIX_DECREMENT:
case UNEXPR_PREFIX_INCREMENT:
dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
ir_node *left = expression_to_firm(expression->left);
ir_node *right = expression_to_firm(expression->right);
- type_t *type = expression->right->datatype;
+ type_t *type = expression->right->base.datatype;
/* be careful with the modes, because in arithmetic assign nodes only
* the right operand has the mode of the arithmetic already */
ir_mode *mode = get_ir_mode(type);
expression_t *expr_left = expression->left;
expression_t *expr_right = expression->right;
- type_t *type_left = skip_typeref(expr_left->datatype);
- type_t *type_right = skip_typeref(expr_right->datatype);
+ type_t *type_left = skip_typeref(expr_left->base.datatype);
+ type_t *type_right = skip_typeref(expr_right->base.datatype);
if(is_type_arithmetic(type_left) && is_type_arithmetic(type_right)) {
ir_mode *const mode = get_ir_mode(type);
ir_node *const left = expression_to_firm(expr_left);
ir_node *const right = expression_to_firm(expr_right);
type_t *const type = expression->expression.datatype;
- type_t *const type_left = skip_typeref(expr_left->datatype);
- type_t *const type_right = skip_typeref(expr_right->datatype);
+ type_t *const type_left = skip_typeref(expr_left->base.datatype);
+ type_t *const type_right = skip_typeref(expr_right->base.datatype);
- if ((is_type_arithmetic(type_left) && is_type_arithmetic(type_right)) ||
- (type_left->type == TYPE_POINTER && type_right->type == TYPE_POINTER)) {
+ if (is_type_arithmetic(type_left) && is_type_arithmetic(type_right)) {
ir_mode *const mode = get_ir_mode(type);
return new_d_Sub(dbgi, left, right, mode);
+ } else if (type_left->type == TYPE_POINTER
+ && type_right->type == TYPE_POINTER) {
+ const pointer_type_t *const ptr_type = &type_left->pointer;
+ 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 no_mem = new_NoMem();
+ ir_node *const div = new_d_Div(dbgi, no_mem, sub, cnst, mode,
+ op_pin_state_floats);
+ return new_d_Proj(dbgi, div, mode, pn_Div_res);
}
assert(type_left->type == TYPE_POINTER);
ir_node *res;
switch(expression->type) {
+ case BINEXPR_SHIFTLEFT_ASSIGN:
case BINEXPR_SHIFTLEFT:
res = new_d_Shl(dbgi, left, right, mode);
break;
+ case BINEXPR_SHIFTRIGHT_ASSIGN:
case BINEXPR_SHIFTRIGHT: {
expression_t *expr_left = expression->left;
- type_t *type_left = skip_typeref(expr_left->datatype);
+ type_t *type_left = skip_typeref(expr_left->base.datatype);
if(is_type_signed(type_left)) {
res = new_d_Shrs(dbgi, left, right, mode);
ir_node *left = expression_to_firm(expression->left);
ir_node *right = expression_to_firm(expression->right);
ir_node *pin = new_Pin(new_NoMem());
- type_t *type = expression->expression.datatype;
+ /* be careful with the modes, because in arithmetic assign nodes only
+ * the right operand has the mode of the arithmetic already */
+ type_t *type = expression->right->base.datatype;
ir_mode *mode = get_ir_mode(type);
+ left = create_conv(dbgi, left, mode);
ir_node *op;
ir_node *res;
return value;
}
+static ir_node *create_arithmetic_assign_shift(
+ const binary_expression_t *expression)
+{
+ ir_node * value = create_shift(expression);
+ dbg_info *const dbgi = get_dbg_info(&expression->expression.source_position);
+ type_t *const type = expression->expression.datatype;
+ ir_mode *const mode = get_ir_mode(type);
+
+ value = create_conv(dbgi, value, mode);
+ set_value_for_expression(expression->left, value);
+
+ return value;
+}
static ir_node *binary_expression_to_firm(const binary_expression_t *expression)
{
case BINEXPR_ASSIGN: {
ir_node *right = expression_to_firm(expression->right);
set_value_for_expression(expression->left, right);
+
return right;
}
case BINEXPR_ADD:
case BINEXPR_BITWISE_XOR_ASSIGN:
return create_arithmetic_assign_binop(expression, new_d_Eor);
case BINEXPR_SHIFTLEFT_ASSIGN:
- return create_arithmetic_assign_binop(expression, new_d_Shl);
case BINEXPR_SHIFTRIGHT_ASSIGN:
- return create_arithmetic_assign_binop(expression, new_d_Shr);
+ return create_arithmetic_assign_shift(expression);
default:
panic("TODO binexpr type");
}
static ir_node *array_access_addr(const array_access_expression_t *expression)
{
- dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+ 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);
- 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);
+ 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(expression->expression.datatype);
+ unsigned elem_size = get_type_size(pointer_type->points_to);
ir_node *elem_size_const = new_Const_long(mode_Iu, elem_size);
ir_node *real_offset = new_d_Mul(dbgi, offset, elem_size_const,
mode_Iu);
static ir_node *array_access_to_firm(
const array_access_expression_t *expression)
{
- dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
- ir_node *addr = array_access_addr(expression);
- type_t *type = skip_typeref(expression->expression.datatype);
- return deref_address(type, addr, dbgi);
+ dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+ ir_node *addr = array_access_addr(expression);
+ type_t *type = revert_automatic_type_conversion(
+ (const expression_t*) expression);
+ type = skip_typeref(type);
+ ir_type *irtype = get_ir_type(type);
+
+ return deref_address(irtype, addr, dbgi);
}
static ir_node *sizeof_to_firm(const sizeof_expression_t *expression)
{
type_t *type = expression->type;
if(type == NULL) {
- type = expression->size_expression->datatype;
+ type = expression->size_expression->base.datatype;
assert(type != NULL);
}
static ir_node *select_to_firm(const select_expression_t *expression)
{
- dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
- ir_node *addr = select_addr(expression);
- type_t *type = skip_typeref(expression->expression.datatype);
- return deref_address(type, addr, dbgi);
+ dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+ ir_node *addr = select_addr(expression);
+ type_t *type = revert_automatic_type_conversion(
+ (const expression_t*) expression);
+ type = skip_typeref(type);
+ ir_type *irtype = get_ir_type(type);
+
+ return deref_address(irtype, addr, dbgi);
}
/* Values returned by __builtin_classify_type. */
static ir_node *classify_type_to_firm(const classify_type_expression_t *const expr)
{
- const type_t *const type = expr->type_expression->datatype;
+ const type_t *const type = expr->type_expression->base.datatype;
gcc_type_class tc;
switch (type->type)
{
case TYPE_ATOMIC: {
- const atomic_type_t *const atomic_type = (const atomic_type_t*)type;
+ const atomic_type_t *const atomic_type = &type->atomic;
switch (atomic_type->atype) {
// should not be reached
case ATOMIC_TYPE_INVALID:
case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
tc = complex_type_class;
break;
-#endif
-
-#ifdef PROVIDE_IMAGINARY
case ATOMIC_TYPE_FLOAT_IMAGINARY:
case ATOMIC_TYPE_DOUBLE_IMAGINARY:
case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
return new_d_Const(dbgi, mode, tv);
}
-static ir_node *function_name_to_firm(const string_literal_t *const expr)
+static ir_node *function_name_to_firm(
+ const string_literal_expression_t *const expr)
{
if (current_function_name == NULL) {
const source_position_t *const src_pos =
return current_function_name;
}
+static ir_node *statement_expression_to_firm(const statement_expression_t *expr)
+{
+ statement_t *statement = expr->statement;
+
+ assert(statement->type == STATEMENT_COMPOUND);
+ return compound_statement_to_firm((compound_statement_t*) statement);
+}
+
static ir_node *dereference_addr(const unary_expression_t *const expression)
{
assert(expression->type == UNEXPR_DEREFERENCE);
{
switch(expression->type) {
case EXPR_REFERENCE:
- return reference_addr((const reference_expression_t*) expression);
+ return reference_addr(&expression->reference);
case EXPR_ARRAY_ACCESS:
- return array_access_addr((const array_access_expression_t*) expression);
+ return array_access_addr(&expression->array_access);
case EXPR_SELECT:
- return select_addr((const select_expression_t*) expression);
+ return select_addr(&expression->select);
+ case EXPR_CALL:
+ return call_expression_to_firm(&expression->call);
case EXPR_UNARY: {
- const unary_expression_t *const unary_expr =
- (const unary_expression_t*)expression;
+ const unary_expression_t *const unary_expr = &expression->unary;
if (unary_expr->type == UNEXPR_DEREFERENCE) {
return dereference_addr(unary_expr);
}
{
switch(expression->type) {
case EXPR_CONST:
- return const_to_firm((const const_t*) expression);
+ return const_to_firm(&expression->conste);
case EXPR_STRING_LITERAL:
- return string_literal_to_firm((const string_literal_t*) expression);
+ return string_literal_to_firm(&expression->string);
case EXPR_REFERENCE:
- return reference_expression_to_firm(
- (const reference_expression_t*) expression);
+ return reference_expression_to_firm(&expression->reference);
case EXPR_CALL:
- return call_expression_to_firm((const call_expression_t*) expression);
+ return call_expression_to_firm(&expression->call);
case EXPR_UNARY:
- return unary_expression_to_firm((const unary_expression_t*) expression);
+ return unary_expression_to_firm(&expression->unary);
case EXPR_BINARY:
- return binary_expression_to_firm(
- (const binary_expression_t*) expression);
+ return binary_expression_to_firm(&expression->binary);
case EXPR_ARRAY_ACCESS:
- return array_access_to_firm(
- (const array_access_expression_t*) expression);
+ return array_access_to_firm(&expression->array_access);
case EXPR_SIZEOF:
- return sizeof_to_firm((const sizeof_expression_t*) expression);
+ return sizeof_to_firm(&expression->sizeofe);
case EXPR_CONDITIONAL:
- return conditional_to_firm((const conditional_expression_t*)expression);
+ return conditional_to_firm(&expression->conditional);
case EXPR_SELECT:
- return select_to_firm((const select_expression_t*) expression);
+ return select_to_firm(&expression->select);
case EXPR_CLASSIFY_TYPE:
- return classify_type_to_firm((const classify_type_expression_t*)expression);
+ return classify_type_to_firm(&expression->classify_type);
case EXPR_FUNCTION:
case EXPR_PRETTY_FUNCTION:
- return function_name_to_firm((const string_literal_t*)expression);
+ return function_name_to_firm(&expression->string);
+ case EXPR_STATEMENT:
+ return statement_expression_to_firm(&expression->statement);
case EXPR_OFFSETOF:
case EXPR_VA_ARG:
- case EXPR_STATEMENT:
case EXPR_BUILTIN_SYMBOL:
panic("unimplemented expression found");
ir_node *res = _expression_to_firm(expression);
if(res != NULL && get_irn_mode(res) == mode_b) {
- ir_mode *mode = get_ir_mode(expression->datatype);
+ ir_mode *mode = get_ir_mode(expression->base.datatype);
res = create_conv(NULL, res, mode);
}
break;
}
- dbg_info *dbgi = get_dbg_info(&expression->source_position);
+ dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
ir_node *condition = expression_to_modeb(expression);
ir_node *cond = new_d_Cond(dbgi, condition);
ir_node *true_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_true);
set_cur_block(NULL);
}
-static void statement_to_firm(statement_t *statement);
static void return_statement_to_firm(return_statement_t *statement)
{
if(get_cur_block() == NULL)
return;
- dbg_info *dbgi = get_dbg_info(&statement->statement.source_position);
- ir_node *ret;
+ ir_type *func_irtype = get_ir_type(current_function_decl->type);
+
+ dbg_info *dbgi = get_dbg_info(&statement->statement.source_position);
- if(statement->return_value != NULL) {
- ir_node *retval = expression_to_firm(statement->return_value);
- ir_node *in[1];
+ 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);
- in[0] = retval;
- ret = new_d_Return(dbgi, get_store(), 1, in);
+ if(is_compound_type(res_type)) {
+ ir_entity *entity = get_method_value_res_ent(func_irtype, 0);
+
+ ir_node *frame = get_irg_frame(current_ir_graph);
+ ir_node *nomem = new_NoMem();
+ ir_node *source_addr = expression_to_addr(statement->return_value);
+ ir_node *dest_addr = new_simpleSel(nomem, frame, entity);
+
+ ir_node *store = get_store();
+ ir_node *copyb = new_d_CopyB(dbgi, store, dest_addr, source_addr,
+ res_type);
+
+ ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
+ set_store(copyb_mem);
+
+ in[0] = dest_addr;
+ in_len = 1;
+ } else {
+ in_len = 1;
+ if(statement->return_value != NULL) {
+ in[0] = expression_to_firm(statement->return_value);
+ } else {
+ ir_mode *mode = get_type_mode(res_type);
+ in[0] = new_Unknown(mode);
+ }
+ }
} else {
- ret = new_d_Return(dbgi, get_store(), 0, NULL);
+ /* build return_value for its side effects */
+ if(statement->return_value != NULL) {
+ expression_to_firm(statement->return_value);
+ }
+ in_len = 0;
}
+
+ 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);
}
-static void compound_statement_to_firm(compound_statement_t *compound)
+static ir_node *expression_statement_to_firm(expression_statement_t *statement)
+{
+ if(get_cur_block() == NULL)
+ return NULL;
+
+ return expression_to_firm(statement->expression);
+}
+
+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->next) {
+ for( ; statement != NULL; statement = statement->base.next) {
//context2firm(&statement->context);
+
+ if(statement->base.next == NULL
+ && statement->type == STATEMENT_EXPRESSION) {
+ result = expression_statement_to_firm(
+ (expression_statement_t*) statement);
+ break;
+ }
statement_to_firm(statement);
}
-}
-
-static void expression_statement_to_firm(expression_statement_t *statement)
-{
- if(get_cur_block() == NULL)
- return;
- expression_to_firm(statement->expression);
+ return result;
}
static void if_statement_to_firm(if_statement_t *statement)
break_label = old_break_label;
if(get_cur_block() != NULL) {
- ir_node *jmp = new_Jmp();
+ jmp = new_Jmp();
add_immBlock_pred(header_block, jmp);
}
} else {
break_label = old_break_label;
if (get_cur_block() != NULL) {
- ir_node *const jmp = new_Jmp();
+ jmp = new_Jmp();
add_immBlock_pred(step_block, jmp);
}
} else {
false_block);
} else {
keep_alive(header_block);
- ir_node *jmp = new_Jmp();
+ jmp = new_Jmp();
add_immBlock_pred(body_block, jmp);
}
ir_entity *entity = new_entity(parent_type, id, irtype);
set_entity_ld_ident(entity, id);
- declaration->declaration_type = declaration_type;
+ declaration->declaration_type = (unsigned char) declaration_type;
declaration->v.entity = entity;
set_entity_variability(entity, variability_uninitialized);
/* TODO: visibility? */
compound_graph_path_entry_t *prev;
};
-static void create_initializer_list(initializer_list_t *initializer,
- type_t *type, ir_entity *entity,
- compound_graph_path_entry_t *entry,
- int len);
+static void create_initializer_object(initializer_t *initializer, type_t *type,
+ ir_entity *entity, compound_graph_path_entry_t *entry, int len);
-static void create_initializer_value(initializer_value_t *initializer,
- 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)
{
- ir_node *node = expression_to_firm(initializer->value);
-
- ir_type *type = get_entity_type(entity);
compound_graph_path *path = new_compound_graph_path(type, len);
int i = len - 1;
}
assert(i == -1);
+ return path;
+}
+
+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);
}
declaration_t *compound_entry = compound_declaration->context.declarations;
compound_graph_path_entry_t entry;
- entry.type = COMPOUND_GRAPH_ENTRY_COMPOUND;
- entry.prev = last_entry;
+ entry.type = COMPOUND_GRAPH_ENTRY_COMPOUND;
+ entry.prev = last_entry;
++len;
size_t i = 0;
== DECLARATION_TYPE_COMPOUND_MEMBER);
if(sub_initializer->type == INITIALIZER_VALUE) {
- create_initializer_value((initializer_value_t*) sub_initializer,
+ create_initializer_value(&sub_initializer->value,
entity, &entry, len);
} else {
- assert(sub_initializer->type == INITIALIZER_LIST);
- create_initializer_list((initializer_list_t*) sub_initializer,
- compound_entry->type, entity, &entry, len);
+ type_t *entry_type = skip_typeref(compound_entry->type);
+ create_initializer_object(sub_initializer, entry_type, entity,
+ &entry, len);
}
++i;
}
}
-static void create_initializer_list(initializer_list_t *initializer,
- type_t *type, ir_entity *entity,
- compound_graph_path_entry_t *entry, int len)
+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)
+{
+ 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;
+
+ size_t i;
+ for(i = 0; i < initializer->len; ++i) {
+ entry.v.array_index = i;
+
+ initializer_t *sub_initializer = initializer->initializers[i];
+
+ 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);
+ }
+ }
+
+#if 0
+ /* TODO: initialize rest... */
+ if(type->size_expression != NULL) {
+ size_t array_len = fold_constant(type->size_expression);
+ for( ; i < array_len; ++i) {
+
+ }
+ }
+#endif
+}
+
+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)
+{
+ 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;
+
+ 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;
+
+ 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;
+ }
+}
+
+static void create_initializer_object(initializer_t *initializer, type_t *type,
+ ir_entity *entity, compound_graph_path_entry_t *entry, int len)
{
if(type->type == TYPE_ARRAY) {
- /* TODO */
+ array_type_t *array_type = &type->array;
+
+ if(initializer->type == INITIALIZER_STRING) {
+ initializer_string_t *string = &initializer->string;
+ create_initializer_string(string, array_type, entity, entry, len);
+ } else {
+ assert(initializer->type == INITIALIZER_LIST);
+ initializer_list_t *list = &initializer->list;
+ create_initializer_array(list, array_type, entity, entry, len);
+ }
} else {
+ assert(initializer->type == INITIALIZER_LIST);
+ initializer_list_t *list = &initializer->list;
+
assert(type->type == TYPE_COMPOUND_STRUCT
|| type->type == TYPE_COMPOUND_UNION);
- create_initializer_compound(initializer, (compound_type_t*) type,
- entity, entry, len);
+ compound_type_t *compound_type = &type->compound;
+ create_initializer_compound(list, compound_type, entity, entry, len);
+ }
+}
+
+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);
+
+ if(is_atomic_entity(entity)) {
+ assert(initializer->type == INITIALIZER_VALUE);
+ initializer_value_t *initializer_value = &initializer->value;
+
+ ir_node *value = expression_to_firm(initializer_value->value);
+ ir_node *store = new_d_Store(dbgi, memory, addr, value);
+ ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M);
+ set_store(store_mem);
+ return;
}
+
+ /* 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);
+
+ set_entity_variability(init_entity, variability_initialized);
+ set_entity_visibility(init_entity, visibility_local);
+
+ ir_graph *old_current_ir_graph = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
+
+ type_t *type = skip_typeref(declaration->type);
+ create_initializer_object(initializer, type, init_entity, NULL, 0);
+
+ assert(current_ir_graph == get_const_code_irg());
+ current_ir_graph = old_current_ir_graph;
+
+ ir_node *src_addr = create_symconst(dbgi, init_entity);
+ ir_node *copyb = new_d_CopyB(dbgi, memory, addr, src_addr, irtype);
+
+ ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
+ set_store(copyb_mem);
}
static void create_initializer(declaration_t *declaration)
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;
+ }
+
if(initializer->type == INITIALIZER_VALUE) {
- initializer_value_t *initializer_value
- = (initializer_value_t*) initializer;
+ initializer_value_t *initializer_value = &initializer->value;
+
ir_node *value = expression_to_firm(initializer_value->value);
- if(declaration->declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE) {
+ if(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE) {
set_value(declaration->v.value_number, value);
} else {
+ assert(declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
+
ir_entity *entity = declaration->v.entity;
set_entity_variability(entity, variability_initialized);
set_atomic_ent_value(entity, value);
}
} else {
- assert(initializer->type == INITIALIZER_LIST);
- initializer_list_t *list = (initializer_list_t*) initializer;
-
- declaration_type_t declaration_type = declaration->declaration_type;
assert(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY
|| declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
ir_entity *entity = declaration->v.entity;
set_entity_variability(entity, variability_initialized);
- create_initializer_list(list, declaration->type, entity, NULL, 0);
+ type_t *type = skip_typeref(declaration->type);
+ create_initializer_object(initializer, type, entity, NULL, 0);
}
}
create_initializer(declaration);
}
+static void create_local_static_variable(declaration_t *declaration)
+{
+ assert(declaration->declaration_type == DECLARATION_TYPE_UNKNOWN);
+
+ 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);
+
+ declaration->declaration_type = DECLARATION_TYPE_GLOBAL_VARIABLE;
+ declaration->v.entity = entity;
+ set_entity_variability(entity, variability_uninitialized);
+ set_entity_visibility(entity, visibility_local);
+
+ ir_graph *old_current_ir_graph = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
+
+ create_initializer(declaration);
+
+ assert(current_ir_graph == get_const_code_irg());
+ current_ir_graph = old_current_ir_graph;
+}
+
static void declaration_statement_to_firm(declaration_statement_t *statement)
{
declaration_t *declaration = statement->declarations_begin;
for( ; declaration != end; declaration = declaration->next) {
type_t *type = declaration->type;
- switch(declaration->storage_class) {
+ switch ((storage_class_tag_t)declaration->storage_class) {
case STORAGE_CLASS_TYPEDEF:
continue;
case STORAGE_CLASS_STATIC:
- panic("static local vars not implemented yet");
+ create_local_static_variable(declaration);
+ continue;
case STORAGE_CLASS_ENUM_ENTRY:
panic("enum entry declaration in local block found");
case STORAGE_CLASS_EXTERN:
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");
}
if(get_cur_block() == NULL)
return;
- dbg_info *dbgi = get_dbg_info(&statement->source_position);
+ dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
ir_node *jump = new_d_Jmp(dbgi);
add_immBlock_pred(target_block, jump);
}
add_immBlock_pred(block, proj);
mature_immBlock(block);
+
+ statement_to_firm(statement->label_statement);
}
static ir_node *get_label_block(declaration_t *label)
case TYPE_ATOMIC:
case TYPE_ENUM:
case TYPE_POINTER:
- if (!decl->address_taken) ++count;
+ if (!decl->address_taken)
+ ++count;
break;
default: break;
static int count_decls_in_stmts(const statement_t *stmt)
{
int count = 0;
- for (; stmt != NULL; stmt = stmt->next) {
+ for (; stmt != NULL; stmt = stmt->base.next) {
switch (stmt->type) {
case STATEMENT_DECLARATION: {
const declaration_statement_t *const decl_stmt =
/* 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;
}
static void initialize_function_parameters(declaration_t *declaration)
{
- ir_graph *irg = current_ir_graph;
- ir_node *args = get_irg_args(irg);
- ir_node *start_block = get_irg_start_block(irg);
+ ir_graph *irg = current_ir_graph;
+ ir_node *args = get_irg_args(irg);
+ ir_node *start_block = get_irg_start_block(irg);
+ ir_type *function_irtype = get_ir_type(declaration->type);
int n = 0;
declaration_t *parameter = declaration->context.declarations;
- for( ; parameter != NULL; parameter = parameter->next) {
+ for( ; parameter != NULL; parameter = parameter->next, ++n) {
assert(parameter->declaration_type == DECLARATION_TYPE_UNKNOWN);
- type_t *type = parameter->type;
+ type_t *type = skip_typeref(parameter->type);
bool needs_entity = parameter->address_taken;
if(type->type == TYPE_COMPOUND_STRUCT
}
if(needs_entity) {
- panic("entities for function parameters not implemented yet");
+ ir_entity *entity = get_method_value_param_ent(function_irtype, n);
+ ident *id = new_id_from_str(parameter->symbol->string);
+ set_entity_ident(entity, id);
+
+ parameter->declaration_type
+ = DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY;
+ parameter->v.entity = entity;
+ continue;
}
ir_mode *mode = get_ir_mode(parameter->type);
long pn = n;
ir_node *proj = new_r_Proj(irg, start_block, args, mode, pn);
- ++n;
parameter->declaration_type = DECLARATION_TYPE_LOCAL_VARIABLE;
parameter->v.value_number = next_value_number_function;
static void create_function(declaration_t *declaration)
{
- ir_entity *entity = get_function_entity(declaration);
+ ir_entity *function_entity = get_function_entity(declaration);
if(declaration->init.statement == NULL)
return;
imature_blocks = NEW_ARR_F(ir_node*, 0);
int n_local_vars = get_function_n_local_vars(declaration);
- ir_graph *irg = new_ir_graph(entity, n_local_vars);
+ ir_graph *irg = new_ir_graph(function_entity, n_local_vars);
ir_node *first_block = get_cur_block();
next_value_number_function = 0;
/* do we have a return statement yet? */
if(get_cur_block() != NULL) {
assert(declaration->type->type == TYPE_FUNCTION);
- const function_type_t* const func_type
- = (const function_type_t*) declaration->type;
+ const function_type_t* const func_type = &declaration->type->function;
+
ir_node *ret;
if (func_type->result_type == type_void) {
ret = new_Return(get_store(), 0, NULL);
static void create_global_variable(declaration_t *declaration)
{
- ir_type *global_type = get_glob_type();
- create_declaration_entity(declaration, DECLARATION_TYPE_GLOBAL_VARIABLE,
- global_type);
+ ir_visibility vis;
+ ir_type *var_type;
+ switch ((storage_class_tag_t)declaration->storage_class) {
+ case STORAGE_CLASS_STATIC:
+ vis = visibility_local;
+ goto global_var;
- ir_entity *entity = declaration->v.entity;
- if(declaration->storage_class == STORAGE_CLASS_STATIC) {
- set_entity_visibility(entity, visibility_local);
- } else if(declaration->storage_class == STORAGE_CLASS_EXTERN) {
- set_entity_visibility(entity, visibility_external_allocated);
- } else {
- set_entity_visibility(entity, visibility_external_visible);
+ case STORAGE_CLASS_EXTERN:
+ vis = visibility_external_allocated;
+ goto global_var;
+
+ case STORAGE_CLASS_NONE:
+ vis = visibility_external_visible;
+ goto global_var;
+
+ case STORAGE_CLASS_THREAD:
+ vis = visibility_external_visible;
+ goto tls_var;
+
+ case STORAGE_CLASS_THREAD_EXTERN:
+ vis = visibility_external_allocated;
+ goto tls_var;
+
+ case STORAGE_CLASS_THREAD_STATIC:
+ vis = visibility_local;
+ goto tls_var;
+
+tls_var:
+ var_type = get_tls_type();
+ goto create_var;
+
+global_var:
+ var_type = get_glob_type();
+ goto create_var;
+
+create_var:
+ create_declaration_entity(declaration, DECLARATION_TYPE_GLOBAL_VARIABLE,
+ var_type);
+ set_entity_visibility(declaration->v.entity, vis);
+
+ current_ir_graph = get_const_code_irg();
+ create_initializer(declaration);
+ return;
+
+ case STORAGE_CLASS_TYPEDEF:
+ case STORAGE_CLASS_AUTO:
+ case STORAGE_CLASS_REGISTER:
+ case STORAGE_CLASS_ENUM_ENTRY:
+ break;
}
- current_ir_graph = get_const_code_irg();
- create_initializer(declaration);
+ panic("Invalid storage class for global variable");
}
static void context_to_firm(context_t *context)
{
+ /* first pass: create declarations */
declaration_t *declaration = context->declarations;
for( ; declaration != NULL; declaration = declaration->next) {
if(declaration->namespc != NAMESPACE_NORMAL)
type_t *type = declaration->type;
if(type->type == TYPE_FUNCTION) {
- create_function(declaration);
+ get_function_entity(declaration);
} else {
create_global_variable(declaration);
}
}
+
+ /* second pass: create code */
+ declaration = context->declarations;
+ for( ; declaration != NULL; declaration = declaration->next) {
+ if(declaration->namespc != NAMESPACE_NORMAL)
+ continue;
+ if(declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY
+ || declaration->storage_class == STORAGE_CLASS_TYPEDEF)
+ continue;
+ if(declaration->symbol == NULL)
+ continue;
+
+ type_t *type = declaration->type;
+ if(type->type != TYPE_FUNCTION)
+ continue;
+
+ create_function(declaration);
+ }
}
void translation_unit_to_firm(translation_unit_t *unit)
projects / cparser / blobdiff