Merge T_WIDE_CHARACTER_CONSTANT into T_CHARACTER_CONSTANT.
[cparser] / ast2firm.c
index 26f613b..8a02168 100644 (file)
@@ -858,7 +858,7 @@ static bool declaration_is_definition(const entity_t *entity)
 {
        switch (entity->kind) {
        case ENTITY_VARIABLE:
-               return entity->variable.initializer != NULL;
+               return entity->declaration.storage_class != STORAGE_CLASS_EXTERN;
        case ENTITY_FUNCTION:
                return entity->function.statement != NULL;
        case ENTITY_PARAMETER:
@@ -1207,7 +1207,7 @@ static bool try_create_integer(literal_expression_t *literal, type_t *type)
 static void create_integer_tarval(literal_expression_t *literal)
 {
        /* -1: signed only, 0: any, 1: unsigned only */
-       int             sign   = literal->base.kind == EXPR_LITERAL_INTEGER ? -1 : 0;
+       int             sign   = literal->value.begin[0] != '0' /* decimal */ ? -1 : 0;
        unsigned        ls     = 0;
        const string_t *suffix = &literal->suffix;
        /* parse suffix */
@@ -1255,8 +1255,6 @@ void determine_literal_type(literal_expression_t *literal)
 {
        switch (literal->base.kind) {
        case EXPR_LITERAL_INTEGER:
-       case EXPR_LITERAL_INTEGER_OCTAL:
-       case EXPR_LITERAL_INTEGER_HEXADECIMAL:
                create_integer_tarval(literal);
                return;
        default:
@@ -1305,14 +1303,11 @@ static ir_node *literal_to_firm(const literal_expression_t *literal)
        }
 
        case EXPR_LITERAL_INTEGER:
-       case EXPR_LITERAL_INTEGER_OCTAL:
-       case EXPR_LITERAL_INTEGER_HEXADECIMAL:
                assert(literal->target_value != NULL);
                tv = literal->target_value;
                break;
 
        case EXPR_LITERAL_FLOATINGPOINT:
-       case EXPR_LITERAL_FLOATINGPOINT_HEXADECIMAL:
                tv = new_tarval_from_str(string, size, mode);
                break;
 
@@ -1520,15 +1515,11 @@ static ir_node *enum_constant_to_firm(reference_expression_t const *const ref)
        return new_Const(entity->enum_value.tv);
 }
 
-static ir_node *reference_expression_to_firm(const reference_expression_t *ref)
+static ir_node *reference_addr(const reference_expression_t *ref)
 {
        dbg_info *dbgi   = get_dbg_info(&ref->base.source_position);
        entity_t *entity = ref->entity;
        assert(is_declaration(entity));
-       type_t   *type   = skip_typeref(entity->declaration.type);
-
-       /* make sure the type is constructed */
-       (void) get_ir_type(type);
 
        if (entity->kind == ENTITY_FUNCTION
            && entity->function.btk != BUILTIN_NONE) {
@@ -1537,8 +1528,7 @@ static ir_node *reference_expression_to_firm(const reference_expression_t *ref)
                 * builtins which don't have entities */
                if (irentity == NULL) {
                        source_position_t const *const pos = &ref->base.source_position;
-                       symbol_t          const *const sym = ref->entity->base.symbol;
-                       warningf(WARN_OTHER, pos, "taking address of builtin '%Y'", sym);
+                       warningf(WARN_OTHER, pos, "taking address of builtin '%N'", ref->entity);
 
                        /* simply create a NULL pointer */
                        ir_mode  *mode = get_ir_mode_arithmetic(type_void_ptr);
@@ -1548,68 +1538,6 @@ static ir_node *reference_expression_to_firm(const reference_expression_t *ref)
                }
        }
 
-       switch ((declaration_kind_t) entity->declaration.kind) {
-       case DECLARATION_KIND_UNKNOWN:
-               break;
-
-       case DECLARATION_KIND_LOCAL_VARIABLE: {
-               ir_mode *const mode  = get_ir_mode_storage(type);
-               ir_node *const value = get_value(entity->variable.v.value_number, mode);
-               return create_conv(NULL, value, get_ir_mode_arithmetic(type));
-       }
-       case DECLARATION_KIND_PARAMETER: {
-               ir_mode *const mode  = get_ir_mode_storage(type);
-               ir_node *const value = get_value(entity->parameter.v.value_number,mode);
-               return create_conv(NULL, value, get_ir_mode_arithmetic(type));
-       }
-       case DECLARATION_KIND_FUNCTION: {
-               return create_symconst(dbgi, entity->function.irentity);
-       }
-       case DECLARATION_KIND_INNER_FUNCTION: {
-               ir_mode *const mode = get_ir_mode_storage(type);
-               if (!entity->function.goto_to_outer && !entity->function.need_closure) {
-                       /* inner function not using the closure */
-                       return create_symconst(dbgi, entity->function.irentity);
-               } else {
-                       /* need trampoline here */
-                       return create_trampoline(dbgi, mode, entity->function.irentity);
-               }
-       }
-       case DECLARATION_KIND_GLOBAL_VARIABLE: {
-               const variable_t *variable = &entity->variable;
-               ir_node *const addr = create_symconst(dbgi, variable->v.entity);
-               return deref_address(dbgi, variable->base.type, addr);
-       }
-
-       case DECLARATION_KIND_LOCAL_VARIABLE_ENTITY: {
-               ir_entity *irentity = entity->variable.v.entity;
-               ir_node   *frame    = get_local_frame(irentity);
-               ir_node   *sel = new_d_simpleSel(dbgi, new_NoMem(), frame, irentity);
-               return deref_address(dbgi, entity->declaration.type, sel);
-       }
-       case DECLARATION_KIND_PARAMETER_ENTITY: {
-               ir_entity *irentity = entity->parameter.v.entity;
-               ir_node   *frame    = get_local_frame(irentity);
-               ir_node   *sel = new_d_simpleSel(dbgi, new_NoMem(), frame, irentity);
-               return deref_address(dbgi, entity->declaration.type, sel);
-       }
-
-       case DECLARATION_KIND_VARIABLE_LENGTH_ARRAY:
-               return entity->variable.v.vla_base;
-
-       case DECLARATION_KIND_COMPOUND_MEMBER:
-               panic("not implemented reference type");
-       }
-
-       panic("reference to declaration with unknown type found");
-}
-
-static ir_node *reference_addr(const reference_expression_t *ref)
-{
-       dbg_info *dbgi   = get_dbg_info(&ref->base.source_position);
-       entity_t *entity = ref->entity;
-       assert(is_declaration(entity));
-
        switch((declaration_kind_t) entity->declaration.kind) {
        case DECLARATION_KIND_UNKNOWN:
                break;
@@ -1622,18 +1550,12 @@ static ir_node *reference_addr(const reference_expression_t *ref)
                ir_node *const addr = create_symconst(dbgi, entity->variable.v.entity);
                return addr;
        }
-       case DECLARATION_KIND_LOCAL_VARIABLE_ENTITY: {
-               ir_entity *irentity = entity->variable.v.entity;
-               ir_node   *frame    = get_local_frame(irentity);
-               ir_node   *sel = new_d_simpleSel(dbgi, new_NoMem(), frame, irentity);
 
-               return sel;
-       }
+       case DECLARATION_KIND_LOCAL_VARIABLE_ENTITY:
        case DECLARATION_KIND_PARAMETER_ENTITY: {
-               ir_entity *irentity = entity->parameter.v.entity;
+               ir_entity *irentity = entity->variable.v.entity;
                ir_node   *frame    = get_local_frame(irentity);
                ir_node   *sel = new_d_simpleSel(dbgi, new_NoMem(), frame, irentity);
-
                return sel;
        }
 
@@ -1663,6 +1585,28 @@ static ir_node *reference_addr(const reference_expression_t *ref)
        panic("reference to declaration with unknown type found");
 }
 
+static ir_node *reference_expression_to_firm(const reference_expression_t *ref)
+{
+       dbg_info *const dbgi   = get_dbg_info(&ref->base.source_position);
+       entity_t *const entity = ref->entity;
+       assert(is_declaration(entity));
+
+       switch ((declaration_kind_t)entity->declaration.kind) {
+       case DECLARATION_KIND_LOCAL_VARIABLE:
+       case DECLARATION_KIND_PARAMETER: {
+               type_t  *const type  = skip_typeref(entity->declaration.type);
+               ir_mode *const mode  = get_ir_mode_storage(type);
+               ir_node *const value = get_value(entity->variable.v.value_number, mode);
+               return create_conv(dbgi, value, get_ir_mode_arithmetic(type));
+       }
+
+       default: {
+               ir_node *const addr = reference_addr(ref);
+               return deref_address(dbgi, entity->declaration.type, addr);
+       }
+       }
+}
+
 /**
  * Transform calls to builtin functions.
  */
@@ -2092,12 +2036,10 @@ static ir_node *set_value_for_expression_addr(const expression_t *expression,
                entity_t *entity = ref->entity;
                assert(is_declaration(entity));
                assert(entity->declaration.kind != DECLARATION_KIND_UNKNOWN);
-               if (entity->declaration.kind == DECLARATION_KIND_LOCAL_VARIABLE) {
+               if (entity->declaration.kind == DECLARATION_KIND_LOCAL_VARIABLE ||
+                   entity->declaration.kind == DECLARATION_KIND_PARAMETER) {
                        set_value(entity->variable.v.value_number, value);
                        return value;
-               } else if (entity->declaration.kind == DECLARATION_KIND_PARAMETER) {
-                       set_value(entity->parameter.v.value_number, value);
-                       return value;
                }
        }
 
@@ -2143,20 +2085,14 @@ static ir_node *get_value_from_lvalue(const expression_t *expression,
                                || entity->kind == ENTITY_PARAMETER);
                assert(entity->declaration.kind != DECLARATION_KIND_UNKNOWN);
                int value_number;
-               if (entity->declaration.kind == DECLARATION_KIND_LOCAL_VARIABLE) {
+               if (entity->declaration.kind == DECLARATION_KIND_LOCAL_VARIABLE ||
+                   entity->declaration.kind == DECLARATION_KIND_PARAMETER) {
                        value_number = entity->variable.v.value_number;
                        assert(addr == NULL);
                        type_t  *type = skip_typeref(expression->base.type);
                        ir_mode *mode = get_ir_mode_storage(type);
                        ir_node *res  = get_value(value_number, mode);
                        return create_conv(NULL, res, get_ir_mode_arithmetic(type));
-               } else if (entity->declaration.kind == DECLARATION_KIND_PARAMETER) {
-                       value_number = entity->parameter.v.value_number;
-                       assert(addr == NULL);
-                       type_t  *type = skip_typeref(expression->base.type);
-                       ir_mode *mode = get_ir_mode_storage(type);
-                       ir_node *res  = get_value(value_number, mode);
-                       return create_conv(NULL, res, get_ir_mode_arithmetic(type));
                }
        }
 
@@ -5315,20 +5251,9 @@ static int count_local_variables(const entity_t *entity,
        int count = 0;
        entity_t const *const end = last != NULL ? last->base.next : NULL;
        for (; entity != end; entity = entity->base.next) {
-               type_t *type;
-               bool    address_taken;
-
-               if (entity->kind == ENTITY_VARIABLE) {
-                       type          = skip_typeref(entity->declaration.type);
-                       address_taken = entity->variable.address_taken;
-               } else if (entity->kind == ENTITY_PARAMETER) {
-                       type          = skip_typeref(entity->declaration.type);
-                       address_taken = entity->parameter.address_taken;
-               } else {
-                       continue;
-               }
-
-               if (!address_taken && is_type_scalar(type))
+               if ((entity->kind == ENTITY_VARIABLE || entity->kind == ENTITY_PARAMETER) &&
+                   !entity->variable.address_taken                                       &&
+                   is_type_scalar(skip_typeref(entity->declaration.type)))
                        ++count;
        }
        return count;
@@ -5404,20 +5329,16 @@ static void initialize_function_parameters(entity_t *entity)
                assert(parameter->declaration.kind == DECLARATION_KIND_UNKNOWN);
                type_t *type = skip_typeref(parameter->declaration.type);
 
-               bool needs_entity = parameter->parameter.address_taken;
                assert(!is_type_array(type));
-               if (is_type_compound(type)) {
-                       needs_entity = true;
-               }
+               bool const needs_entity = parameter->variable.address_taken || is_type_compound(type);
 
                ir_type *param_irtype = get_method_param_type(function_irtype, n);
                if (needs_entity) {
                        ir_type   *frame_type = get_irg_frame_type(irg);
                        ir_entity *param
                                = new_parameter_entity(frame_type, n, param_irtype);
-                       parameter->declaration.kind
-                               = DECLARATION_KIND_PARAMETER_ENTITY;
-                       parameter->parameter.v.entity = param;
+                       parameter->declaration.kind  = DECLARATION_KIND_PARAMETER_ENTITY;
+                       parameter->variable.v.entity = param;
                        continue;
                }
 
@@ -5429,13 +5350,13 @@ static void initialize_function_parameters(entity_t *entity)
                value = create_conv(NULL, value, mode);
                value = do_strict_conv(NULL, value);
 
-               parameter->declaration.kind         = DECLARATION_KIND_PARAMETER;
-               parameter->parameter.v.value_number = next_value_number_function;
+               parameter->declaration.kind        = DECLARATION_KIND_PARAMETER;
+               parameter->variable.v.value_number = next_value_number_function;
                set_irg_loc_description(current_ir_graph, next_value_number_function,
                                        parameter);
                ++next_value_number_function;
 
-               set_value(parameter->parameter.v.value_number, value);
+               set_value(parameter->variable.v.value_number, value);
        }
 }