BugFix: expression may be NULL in count_decls_in_expr()
[cparser] / ast2firm.c
index d6198f7..ec6afd7 100644 (file)
@@ -17,6 +17,7 @@
 #include "type_t.h"
 #include "ast_t.h"
 #include "parser.h"
+#include "lang_features.h"
 
 #define MAGIC_DEFAULT_PN_NUMBER            (long) -314159265
 
@@ -53,6 +54,7 @@ typedef enum declaration_type_t {
 } 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)
 {
@@ -87,14 +89,9 @@ const char *dbg_retrieve(const dbg_info *dbg, unsigned *line)
        return pos->input_name;
 }
 
-void init_ast2firm(void)
-{
-       obstack_init(&asm_obst);
-}
-
-void exit_ast2firm(void)
+static dbg_info *get_dbg_info(const source_position_t *pos)
 {
-       obstack_free(&asm_obst, NULL);
+       return (dbg_info*) pos;
 }
 
 static unsigned unique_id = 0;
@@ -108,56 +105,149 @@ static ident *unique_ident(const char *tag)
        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_BOOL:
-       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;
+       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);
 
@@ -176,13 +266,19 @@ static unsigned get_atomic_type_size(const atomic_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;
 
@@ -193,6 +289,7 @@ static unsigned get_atomic_type_size(const atomic_type_t *type)
                return 1;
 
        case ATOMIC_TYPE_INVALID:
+       case ATOMIC_TYPE_LAST:
                break;
        }
        panic("Trying to determine size of invalid atomic type");
@@ -210,6 +307,7 @@ static unsigned get_array_type_size(array_type_t *type)
        return get_type_size_bytes(irtype);
 }
 
+
 static unsigned get_type_size(type_t *type)
 {
        type = skip_typeref(type);
@@ -218,7 +316,7 @@ static unsigned get_type_size(type_t *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);
@@ -337,6 +435,8 @@ static ir_type *create_array_type(array_type_t *type)
                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;
@@ -373,7 +473,8 @@ static ir_type *create_struct_type(compound_type_t *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;
@@ -424,7 +525,8 @@ static ir_type *create_union_type(compound_type_t *type)
                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;
@@ -536,7 +638,7 @@ static inline ir_mode *get_ir_mode(type_t *type)
 
        /* 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);
@@ -557,7 +659,8 @@ static ir_entity* get_function_entity(declaration_t *declaration)
        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) {
@@ -575,11 +678,6 @@ static ir_entity* get_function_entity(declaration_t *declaration)
        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);
@@ -620,7 +718,8 @@ static ir_node *string_to_firm(const source_position_t *const src_pos,
                                                    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);
@@ -643,8 +742,6 @@ static ir_node *string_to_firm(const source_position_t *const src_pos,
        set_array_entity_values(entity, tvs, slen);
        free(tvs);
 
-       dbg_info *const dbgi = get_dbg_info(src_pos);
-
        return create_symconst(dbgi, entity);
 }
 
@@ -664,7 +761,8 @@ static ir_node *wide_string_literal_to_firm(
                                                    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);
@@ -687,8 +785,6 @@ static ir_node *wide_string_literal_to_firm(
        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);
 }
 
@@ -1047,7 +1143,7 @@ static ir_node *create_incdec(const unary_expression_t *expression)
        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));
@@ -1228,9 +1324,9 @@ static ir_node *pointer_arithmetic(ir_node  *const pointer,
 
        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;
        }
 
@@ -1304,7 +1400,7 @@ static ir_node *create_sub(const binary_expression_t *expression)
                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);
@@ -1324,7 +1420,7 @@ static ir_node *create_shift(const binary_expression_t *expression)
        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;
 
@@ -1504,17 +1600,17 @@ static ir_node *array_access_addr(const array_access_expression_t *expression)
        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;
 }
@@ -1696,19 +1792,19 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex
                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:
@@ -1717,7 +1813,7 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex
                                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;
 
@@ -1746,13 +1842,13 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex
                        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:
@@ -1760,7 +1856,7 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex
        }
 
        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);
 }
@@ -1800,7 +1896,7 @@ static ir_node *va_start_expression_to_firm(
                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);
 
@@ -1815,7 +1911,7 @@ static ir_node *va_arg_expression_to_firm(const va_arg_expression_t *const expr)
        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);
 
@@ -1980,9 +2076,10 @@ static void create_declaration_entity(declaration_t *declaration,
                                       declaration_type_t declaration_type,
                                       ir_type *parent_type)
 {
-       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);
+       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);
 
        declaration->declaration_type = (unsigned char) declaration_type;
@@ -2179,7 +2276,7 @@ static void create_initializer_wide_string(
        for (size_t i = 0; i < arr_len && p != end; ++i, ++p) {
                entry.v.array_index = i;
 
-               ir_node             *node = new_Const_long(mode_Is, *p);
+               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);
        }
@@ -2244,29 +2341,29 @@ static void create_initializer_local_variable_entity(declaration_t *declaration)
        }
 
        /* 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);
+       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);
 
        set_entity_variability(init_entity, variability_initialized);
        set_entity_visibility(init_entity, visibility_local);
        set_entity_allocation(init_entity, allocation_static);
 
-       ir_graph *old_current_ir_graph = current_ir_graph;
+       ir_graph *const old_current_ir_graph = current_ir_graph;
        current_ir_graph = get_const_code_irg();
 
-       type_t *type = skip_typeref(declaration->type);
+       type_t *const 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 *const src_addr  = create_symconst(dbgi, init_entity);
+       ir_node *const copyb     = new_d_CopyB(dbgi, memory, addr, src_addr, irtype);
 
-       ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
+       ir_node *const copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
        set_store(copyb_mem);
 }
 
@@ -2339,11 +2436,12 @@ 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);
+       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);
 
        declaration->declaration_type = DECLARATION_TYPE_GLOBAL_VARIABLE;
@@ -2352,7 +2450,7 @@ static void create_local_static_variable(declaration_t *declaration)
        set_entity_visibility(entity, visibility_local);
        set_entity_allocation(entity, allocation_static);
 
-       ir_graph *old_current_ir_graph = current_ir_graph;
+       ir_graph *const old_current_ir_graph = current_ir_graph;
        current_ir_graph = get_const_code_irg();
 
        create_initializer(declaration);
@@ -3012,14 +3110,19 @@ static int count_local_declarations(const declaration_t *      decl,
        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;
@@ -3033,44 +3136,46 @@ static int count_decls_in_stmts(const statement_t *stmt)
                        }
 
                        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;
                        }
@@ -3079,11 +3184,23 @@ static int count_decls_in_stmts(const statement_t *stmt)
                        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;
@@ -3099,10 +3216,6 @@ static int get_function_n_local_vars(declaration_t *declaration)
        /* 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;
 }
 
@@ -3148,6 +3261,41 @@ static void initialize_function_parameters(declaration_t *declaration)
        }
 }
 
+/**
+ * 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);
@@ -3165,6 +3313,11 @@ static void create_function(declaration_t *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);
 
@@ -3192,7 +3345,7 @@ static void create_function(declaration_t *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 {
@@ -3339,6 +3492,17 @@ static void context_to_firm(context_t *context)
        }
 }
 
+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);