unsigned short namespc;
} stack_entry_t;
+typedef struct gnu_attribute_t gnu_attribute_t;
+struct gnu_attribute_t {
+ gnu_attribute_kind_t kind;
+ gnu_attribute_t *next;
+ bool invalid;
+ bool have_arguments;
+ union {
+ size_t value;
+ string_t string;
+ } u;
+};
+
typedef struct declaration_specifiers_t declaration_specifiers_t;
struct declaration_specifiers_t {
source_position_t source_position;
unsigned int is_inline : 1;
unsigned int deprecated : 1;
decl_modifiers_t decl_modifiers; /**< MS __declspec extended modifier mask */
+ gnu_attribute_t *gnu_attributes; /**< list of GNU attributes */
const char *deprecated_string; /**< can be set if declaration was marked deprecated. */
symbol_t *get_property_sym; /**< the name of the get property if set. */
symbol_t *put_property_sym; /**< the name of the put property if set. */
static label_statement_t *label_last = NULL;
static struct obstack temp_obst;
+static source_position_t null_position = { NULL, 0 };
+
/* symbols for Microsoft extended-decl-modifier */
static const symbol_t *sym_align = NULL;
static const symbol_t *sym_allocate = NULL;
static unsigned char token_anchor_set[T_LAST_TOKEN];
/** The current source position. */
-#define HERE token.source_position
+#define HERE &token.source_position
static type_t *type_valist;
* Allocate a type node of given kind and initialize all
* fields with zero.
*/
-static type_t *allocate_type_zero(type_kind_t kind, source_position_t source_position)
+static type_t *allocate_type_zero(type_kind_t kind, const source_position_t *source_position)
{
size_t size = get_type_struct_size(kind);
type_t *res = obstack_alloc(type_obst, size);
memset(res, 0, size);
res->base.kind = kind;
- res->base.source_position = source_position;
+ res->base.source_position = *source_position;
return res;
}
/**
* Report a type error.
*/
-static void type_error(const char *msg, const source_position_t source_position,
+static void type_error(const char *msg, const source_position_t *source_position,
type_t *type)
{
errorf(source_position, "%s, but found type '%T'", msg, type);
* Report an incompatible type.
*/
static void type_error_incompatible(const char *msg,
- const source_position_t source_position, type_t *type1, type_t *type2)
+ const source_position_t *source_position, type_t *type1, type_t *type2)
{
errorf(source_position, "%s, incompatible types: '%T' - '%T'", msg, type1, type2);
}
/** Implements the rules from ยง 6.5.16.1 */
static type_t *semantic_assign(type_t *orig_type_left,
const expression_t *const right,
- const char *context)
+ const char *context,
+ const source_position_t *source_position)
{
type_t *const orig_type_right = right->base.type;
type_t *const type_left = skip_typeref(orig_type_left);
type_t *const type_right = skip_typeref(orig_type_right);
- if ((is_type_arithmetic(type_left) && is_type_arithmetic(type_right)) ||
- (is_type_pointer(type_left) && is_null_pointer_constant(right)) ||
- (is_type_atomic(type_left, ATOMIC_TYPE_BOOL)
- && is_type_pointer(type_right))) {
- return orig_type_left;
- }
+ if(is_type_pointer(type_left)) {
+ if(is_null_pointer_constant(right)) {
+ return orig_type_left;
+ } else if(is_type_pointer(type_right)) {
+ type_t *points_to_left
+ = skip_typeref(type_left->pointer.points_to);
+ type_t *points_to_right
+ = skip_typeref(type_right->pointer.points_to);
+
+ /* the left type has all qualifiers from the right type */
+ unsigned missing_qualifiers
+ = points_to_right->base.qualifiers & ~points_to_left->base.qualifiers;
+ if(missing_qualifiers != 0) {
+ errorf(source_position,
+ "destination type '%T' in %s from type '%T' lacks qualifiers '%Q' in pointed-to type", type_left, context, type_right, missing_qualifiers);
+ return orig_type_left;
+ }
- if (is_type_pointer(type_left) && is_type_pointer(type_right)) {
- type_t *points_to_left = skip_typeref(type_left->pointer.points_to);
- type_t *points_to_right = skip_typeref(type_right->pointer.points_to);
+ points_to_left = get_unqualified_type(points_to_left);
+ points_to_right = get_unqualified_type(points_to_right);
- /* the left type has all qualifiers from the right type */
- unsigned missing_qualifiers
- = points_to_right->base.qualifiers & ~points_to_left->base.qualifiers;
- if(missing_qualifiers != 0) {
- errorf(HERE, "destination type '%T' in %s from type '%T' lacks qualifiers '%Q' in pointed-to type", type_left, context, type_right, missing_qualifiers);
- return orig_type_left;
- }
+ if (is_type_atomic(points_to_left, ATOMIC_TYPE_VOID) ||
+ is_type_atomic(points_to_right, ATOMIC_TYPE_VOID)) {
+ return orig_type_left;
+ }
- points_to_left = get_unqualified_type(points_to_left);
- points_to_right = get_unqualified_type(points_to_right);
+ if (!types_compatible(points_to_left, points_to_right)) {
+ warningf(source_position,
+ "destination type '%T' in %s is incompatible with '%E' of type '%T'",
+ orig_type_left, context, right, orig_type_right);
+ }
- if (is_type_atomic(points_to_left, ATOMIC_TYPE_VOID) ||
- is_type_atomic(points_to_right, ATOMIC_TYPE_VOID)) {
+ return orig_type_left;
+ } else if(is_type_integer(type_right)) {
+ warningf(source_position,
+ "%s makes pointer '%T' from integer '%T' without a cast",
+ context, orig_type_left, orig_type_right);
return orig_type_left;
}
-
- if (!types_compatible(points_to_left, points_to_right)) {
- warningf(right->base.source_position,
- "destination type '%T' in %s is incompatible with '%E' of type '%T'",
- orig_type_left, context, right, orig_type_right);
- }
-
+ } else if ((is_type_arithmetic(type_left) && is_type_arithmetic(type_right)) ||
+ (is_type_atomic(type_left, ATOMIC_TYPE_BOOL)
+ && is_type_pointer(type_right))) {
return orig_type_left;
- }
-
- if ((is_type_compound(type_left) && is_type_compound(type_right))
+ } else if ((is_type_compound(type_left) && is_type_compound(type_right))
|| (is_type_builtin(type_left) && is_type_builtin(type_right))) {
type_t *const unqual_type_left = get_unqualified_type(type_left);
type_t *const unqual_type_right = get_unqualified_type(type_right);
if (types_compatible(unqual_type_left, unqual_type_right)) {
return orig_type_left;
}
+ } else if (is_type_integer(type_left) && is_type_pointer(type_right)) {
+ warningf(source_position,
+ "%s makes integer '%T' from pointer '%T' without a cast",
+ context, orig_type_left, orig_type_right);
+ return orig_type_left;
}
if (!is_type_valid(type_left))
expression_t *result = parse_sub_expression(7);
if(!is_constant_expression(result)) {
- errorf(result->base.source_position, "expression '%E' is not constant\n", result);
+ errorf(&result->base.source_position, "expression '%E' is not constant\n", result);
}
return result;
record_declaration(declaration);
- type_t *typedef_type = allocate_type_zero(TYPE_TYPEDEF, builtin_source_position);
+ type_t *typedef_type = allocate_type_zero(TYPE_TYPEDEF, &builtin_source_position);
typedef_type->typedeft.declaration = declaration;
return typedef_type;
return result;
}
-typedef enum gnu_attribute_kind_t {
- GNU_AK_CONST,
- GNU_AK_VOLATILE,
- GNU_AK_CDECL,
- GNU_AK_STDCALL,
- GNU_AK_FASTCALL,
- GNU_AK_DEPRECATED,
- GNU_AK_NOINLINE,
- GNU_AK_NORETURN,
- GNU_AK_NAKED,
- GNU_AK_PURE,
- GNU_AK_ALWAYS_INLINE,
- GNU_AK_MALLOC,
- GNU_AK_WEAK,
- GNU_AK_ALIGNED,
- GNU_AK_ALIAS,
- GNU_AK_SECTION,
- GNU_AK_FORMAT,
- GNU_AK_FORMAT_ARG,
- GNU_AK_LAST
-} gnu_attribute_kind_t;
-
static const char *gnu_attribute_names[GNU_AK_LAST] = {
- [GNU_AK_CONST] = "const",
- [GNU_AK_VOLATILE] = "volatile",
- [GNU_AK_CDECL] = "cdecl",
- [GNU_AK_STDCALL] = "stdcall",
- [GNU_AK_FASTCALL] = "fastcall",
- [GNU_AK_DEPRECATED] = "deprecated",
- [GNU_AK_NOINLINE] = "noinline",
- [GNU_AK_NORETURN] = "noreturn",
- [GNU_AK_NAKED] = "naked",
- [GNU_AK_PURE] = "pure",
- [GNU_AK_ALWAYS_INLINE] = "always_inline",
- [GNU_AK_MALLOC] = "malloc",
- [GNU_AK_WEAK] = "weak",
- [GNU_AK_ALIGNED] = "aligned",
- [GNU_AK_ALIAS] = "alias",
- [GNU_AK_SECTION] = "section",
- [GNU_AK_FORMAT] = "format",
- [GNU_AK_FORMAT_ARG] = "format_arg"
+ [GNU_AK_CONST] = "const",
+ [GNU_AK_VOLATILE] = "volatile",
+ [GNU_AK_CDECL] = "cdecl",
+ [GNU_AK_STDCALL] = "stdcall",
+ [GNU_AK_FASTCALL] = "fastcall",
+ [GNU_AK_DEPRECATED] = "deprecated",
+ [GNU_AK_NOINLINE] = "noinline",
+ [GNU_AK_NORETURN] = "noreturn",
+ [GNU_AK_NAKED] = "naked",
+ [GNU_AK_PURE] = "pure",
+ [GNU_AK_ALWAYS_INLINE] = "always_inline",
+ [GNU_AK_MALLOC] = "malloc",
+ [GNU_AK_WEAK] = "weak",
+ [GNU_AK_CONSTRUCTOR] = "constructor",
+ [GNU_AK_DESTRUCTOR] = "destructor",
+ [GNU_AK_NOTHROW] = "nothrow",
+ [GNU_AK_TRANSPARENT_UNION] = "transparent_union",
+ [GNU_AK_COMMON] = "coommon",
+ [GNU_AK_NOCOMMON] = "nocommon",
+ [GNU_AK_PACKED] = "packed",
+ [GNU_AK_SHARED] = "shared",
+ [GNU_AK_NOTSHARED] = "notshared",
+ [GNU_AK_USED] = "used",
+ [GNU_AK_UNUSED] = "unused",
+ [GNU_AK_NO_INSTRUMENT_FUNCTION] = "no_instrument_function",
+ [GNU_AK_WARN_UNUSED_RESULT] = "warn_unused_result",
+ [GNU_AK_LONGCALL] = "longcall",
+ [GNU_AK_SHORTCALL] = "shortcall",
+ [GNU_AK_LONG_CALL] = "long_call",
+ [GNU_AK_SHORT_CALL] = "short_call",
+ [GNU_AK_FUNCTION_VECTOR] = "function_vector",
+ [GNU_AK_INTERRUPT] = "interrupt",
+ [GNU_AK_INTERRUPT_HANDLER] = "interrupt_handler",
+ [GNU_AK_NMI_HANDLER] = "nmi_handler",
+ [GNU_AK_NESTING] = "nesting",
+ [GNU_AK_NEAR] = "near",
+ [GNU_AK_FAR] = "far",
+ [GNU_AK_SIGNAL] = "signal",
+ [GNU_AK_EIGTHBIT_DATA] = "eightbit_data",
+ [GNU_AK_TINY_DATA] = "tiny_data",
+ [GNU_AK_SAVEALL] = "saveall",
+ [GNU_AK_FLATTEN] = "flatten",
+ [GNU_AK_SSEREGPARM] = "sseregparm",
+ [GNU_AK_EXTERNALLY_VISIBLE] = "externally_visible",
+ [GNU_AK_RETURN_TWICE] = "return_twice",
+ [GNU_AK_MAY_ALIAS] = "may_alias",
+ [GNU_AK_MS_STRUCT] = "ms_struct",
+ [GNU_AK_GCC_STRUCT] = "gcc_struct",
+ [GNU_AK_DLLIMPORT] = "dllimport",
+ [GNU_AK_DLLEXPORT] = "dllexport",
+ [GNU_AK_ALIGNED] = "aligned",
+ [GNU_AK_ALIAS] = "alias",
+ [GNU_AK_SECTION] = "section",
+ [GNU_AK_FORMAT] = "format",
+ [GNU_AK_FORMAT_ARG] = "format_arg",
+ [GNU_AK_WEAKREF] = "weakref",
+ [GNU_AK_NONNULL] = "nonnull",
+ [GNU_AK_TLS_MODEL] = "tls_model",
+ [GNU_AK_VISIBILITY] = "visibility",
+ [GNU_AK_REGPARM] = "regparm",
+ [GNU_AK_MODEL] = "model",
+ [GNU_AK_TRAP_EXIT] = "trap_exit",
+ [GNU_AK_SP_SWITCH] = "sp_switch",
+ [GNU_AK_SENTINEL] = "sentinel"
};
/**
return strcmp(s1, s2);
}
-static expression_t *parse_gnu_attribute_const_arg(void) {
+/**
+ * Allocate a new gnu temporal attribute.
+ */
+static gnu_attribute_t *allocate_gnu_attribute(gnu_attribute_kind_t kind) {
+ gnu_attribute_t *attribute = obstack_alloc(&temp_obst, sizeof(*attribute));
+ attribute->kind = kind;
+ attribute->next = NULL;
+ attribute->invalid = false;
+ attribute->have_arguments = false;
+ return attribute;
+}
+
+/**
+ * parse one constant expression argument.
+ */
+static void parse_gnu_attribute_const_arg(gnu_attribute_t *attribute) {
expression_t *expression;
- expect('(');
- add_anchor_token('(');
+ add_anchor_token(')');
expression = parse_constant_expression();
- rem_anchor_token('(');
+ rem_anchor_token(')');
expect(')');
- return expression;
+ (void)expression;
+ return;
end_error:
- return create_invalid_expression();
+ attribute->invalid = true;
}
-static string_t parse_gnu_attribute_string_arg(void) {
- string_t string = { NULL, 0 };
- expect('(');
+/**
+ * parse a list of constant expressions arguments.
+ */
+static void parse_gnu_attribute_const_arg_list(gnu_attribute_t *attribute) {
+ expression_t *expression;
+ add_anchor_token(')');
+ add_anchor_token(',');
+ while(true){
+ expression = parse_constant_expression();
+ if(token.type != ',')
+ break;
+ next_token();
+ }
+ rem_anchor_token(',');
+ rem_anchor_token(')');
+ expect(')');
+ (void)expression;
+ return;
+end_error:
+ attribute->invalid = true;
+}
+
+/**
+ * parse one string literal argument.
+ */
+static void parse_gnu_attribute_string_arg(gnu_attribute_t *attribute, string_t *string) {
add_anchor_token('(');
if(token.type != T_STRING_LITERAL) {
parse_error_expected("while parsing attribute directive", T_STRING_LITERAL);
goto end_error;
}
- string = parse_string_literals();
+ *string = parse_string_literals();
rem_anchor_token('(');
expect(')');
+ return;
end_error:
- return string;
+ attribute->invalid = true;
}
-static const char *format_names[] = {
- "printf",
- "scanf",
- "strftime",
- "strfmon"
-};
+/**
+ * parse one tls model.
+ */
+static void parse_gnu_attribute_tls_model_arg(gnu_attribute_t *attribute) {
+ static const char *tls_models[] = {
+ "global-dynamic",
+ "local-dynamic",
+ "initial-exec",
+ "local-exec"
+ };
+ string_t string = { NULL, 0 };
+ parse_gnu_attribute_string_arg(attribute, &string);
+ if(string.begin != NULL) {
+ for(size_t i = 0; i < 4; ++i) {
+ if(strcmp(tls_models[i], string.begin) == 0) {
+ attribute->u.value = i;
+ return;
+ }
+ }
+ }
+ errorf(HERE, "'%s' is an unrecognized tls model", string.begin);
+ attribute->invalid = true;
+}
+
+/**
+ * parse one tls model.
+ */
+static void parse_gnu_attribute_visibility_arg(gnu_attribute_t *attribute) {
+ static const char *visibilities[] = {
+ "default",
+ "protected",
+ "hidden",
+ "internal"
+ };
+ string_t string = { NULL, 0 };
+ parse_gnu_attribute_string_arg(attribute, &string);
+ if(string.begin != NULL) {
+ for(size_t i = 0; i < 4; ++i) {
+ if(strcmp(visibilities[i], string.begin) == 0) {
+ attribute->u.value = i;
+ return;
+ }
+ }
+ }
+ errorf(HERE, "'%s' is an unrecognized visibility", string.begin);
+ attribute->invalid = true;
+}
+
+/**
+ * parse one (code) model.
+ */
+static void parse_gnu_attribute_model_arg(gnu_attribute_t *attribute) {
+ static const char *visibilities[] = {
+ "small",
+ "medium",
+ "large"
+ };
+ string_t string = { NULL, 0 };
+ parse_gnu_attribute_string_arg(attribute, &string);
+ if(string.begin != NULL) {
+ for(int i = 0; i < 3; ++i) {
+ if(strcmp(visibilities[i], string.begin) == 0) {
+ attribute->u.value = i;
+ return;
+ }
+ }
+ }
+ errorf(HERE, "'%s' is an unrecognized model", string.begin);
+ attribute->invalid = true;
+}
+
+/**
+ * parse one interrupt argument.
+ */
+static void parse_gnu_attribute_interrupt_arg(gnu_attribute_t *attribute) {
+ static const char *interrupts[] = {
+ "IRQ",
+ "FIQ",
+ "SWI",
+ "ABORT",
+ "UNDEF"
+ };
+ string_t string = { NULL, 0 };
+ parse_gnu_attribute_string_arg(attribute, &string);
+ if(string.begin != NULL) {
+ for(size_t i = 0; i < 5; ++i) {
+ if(strcmp(interrupts[i], string.begin) == 0) {
+ attribute->u.value = i;
+ return;
+ }
+ }
+ }
+ errorf(HERE, "'%s' is an interrupt", string.begin);
+ attribute->invalid = true;
+}
/**
* parse ( identifier, const expression, const expression )
*/
-static void parse_gnu_attribute_format_args(void) {
+static void parse_gnu_attribute_format_args(gnu_attribute_t *attribute) {
+ static const char *format_names[] = {
+ "printf",
+ "scanf",
+ "strftime",
+ "strfmon"
+ };
int i;
- expect('(');
+
if(token.type != T_IDENTIFIER) {
parse_error_expected("while parsing format attribute directive", T_IDENTIFIER);
goto end_error;
expect(')');
return;
end_error:
- return;
+ attribute->u.value = true;
}
/**
* always_inline
* malloc
* weak
+ * constructor
+ * destructor
+ * nothrow
+ * transparent_union
+ * common
+ * nocommon
+ * packed
+ * shared
+ * notshared
+ * used
+ * unused
+ * no_instrument_function
+ * warn_unused_result
+ * longcall
+ * shortcall
+ * long_call
+ * short_call
+ * function_vector
+ * interrupt_handler
+ * nmi_handler
+ * nesting
+ * near
+ * far
+ * signal
+ * eightbit_data
+ * tiny_data
+ * saveall
+ * flatten
+ * sseregparm
+ * externally_visible
+ * return_twice
+ * may_alias
+ * ms_struct
+ * gcc_struct
+ * dllimport
+ * dllexport
*
* The following attributes are parsed with arguments
* aligned( const expression )
* section( string literal )
* format( identifier, const expression, const expression )
* format_arg( const expression )
+ * tls_model( string literal )
+ * visibility( string literal )
+ * regparm( const expression )
+ * model( string leteral )
+ * trap_exit( const expression )
+ * sp_switch( string literal )
+ *
+ * The following attributes might have arguments
+ * weak_ref( string literal )
+ * non_null( const expression // ',' )
+ * interrupt( string literal )
+ * sentinel( constant expression )
*/
-static void parse_gnu_attribute(void)
+static void parse_gnu_attribute(gnu_attribute_t **attributes)
{
+ gnu_attribute_t *head = *attributes;
+ gnu_attribute_t *last = *attributes;
+ gnu_attribute_t *attribute;
+
eat(T___attribute__);
expect('(');
expect('(');
+
if(token.type != ')') {
+ /* find the end of the list */
+ if(last != NULL) {
+ while(last->next != NULL)
+ last = last->next;
+ }
+
/* non-empty attribute list */
while(true) {
const char *name;
name = sym->string;
next_token();
- gnu_attribute_kind_t kind;
- for(kind = 0; kind < GNU_AK_LAST; ++kind) {
- if(strcmp_underscore(gnu_attribute_names[kind], name) == 0)
+ int i;
+ for(i = 0; i < GNU_AK_LAST; ++i) {
+ if(strcmp_underscore(gnu_attribute_names[i], name) == 0)
break;
}
- switch(kind) {
- case GNU_AK_CONST:
- break;
- case GNU_AK_VOLATILE:
- break;
- case GNU_AK_CDECL:
- break;
- case GNU_AK_STDCALL:
- break;
- case GNU_AK_FASTCALL:
- break;
- case GNU_AK_DEPRECATED:
- break;
- case GNU_AK_NOINLINE:
- break;
- case GNU_AK_NORETURN:
- break;
- case GNU_AK_NAKED:
- break;
- case GNU_AK_PURE:
- break;
- case GNU_AK_ALWAYS_INLINE:
- break;
- case GNU_AK_MALLOC:
- break;
- case GNU_AK_WEAK:
- break;
- case GNU_AK_ALIGNED:
- parse_gnu_attribute_const_arg();
- break;
- case GNU_AK_ALIAS:
- parse_gnu_attribute_string_arg();
- break;
- case GNU_AK_SECTION:
- parse_gnu_attribute_string_arg();
- break;
- case GNU_AK_FORMAT:
- parse_gnu_attribute_format_args();
- break;
- case GNU_AK_FORMAT_ARG:
- parse_gnu_attribute_const_arg();
- break;
- case GNU_AK_LAST:
+ gnu_attribute_kind_t kind = (gnu_attribute_kind_t)i;
+
+ attribute = NULL;
+ if(kind == GNU_AK_LAST) {
if(warning.attribute)
warningf(HERE, "'%s' attribute directive ignored", name);
/* skip possible arguments */
- if(token.type == '(')
- eat_until_matching_token('(');
- break;
+ if(token.type == '(') {
+ eat_until_matching_token(')');
+ }
+ } else {
+ /* check for arguments */
+ attribute = allocate_gnu_attribute(kind);
+ if(token.type == '(') {
+ next_token();
+ if(token.type == ')') {
+ /* empty args are allowed */
+ next_token();
+ } else
+ attribute->have_arguments = true;
+ }
+
+ switch(kind) {
+ case GNU_AK_CONST:
+ case GNU_AK_VOLATILE:
+ case GNU_AK_CDECL:
+ case GNU_AK_STDCALL:
+ case GNU_AK_FASTCALL:
+ case GNU_AK_DEPRECATED:
+ case GNU_AK_NOINLINE:
+ case GNU_AK_NORETURN:
+ case GNU_AK_NAKED:
+ case GNU_AK_PURE:
+ case GNU_AK_ALWAYS_INLINE:
+ case GNU_AK_MALLOC:
+ case GNU_AK_WEAK:
+ case GNU_AK_CONSTRUCTOR:
+ case GNU_AK_DESTRUCTOR:
+ case GNU_AK_NOTHROW:
+ case GNU_AK_TRANSPARENT_UNION:
+ case GNU_AK_COMMON:
+ case GNU_AK_NOCOMMON:
+ case GNU_AK_PACKED:
+ case GNU_AK_SHARED:
+ case GNU_AK_NOTSHARED:
+ case GNU_AK_USED:
+ case GNU_AK_UNUSED:
+ case GNU_AK_NO_INSTRUMENT_FUNCTION:
+ case GNU_AK_WARN_UNUSED_RESULT:
+ case GNU_AK_LONGCALL:
+ case GNU_AK_SHORTCALL:
+ case GNU_AK_LONG_CALL:
+ case GNU_AK_SHORT_CALL:
+ case GNU_AK_FUNCTION_VECTOR:
+ case GNU_AK_INTERRUPT_HANDLER:
+ case GNU_AK_NMI_HANDLER:
+ case GNU_AK_NESTING:
+ case GNU_AK_NEAR:
+ case GNU_AK_FAR:
+ case GNU_AK_SIGNAL:
+ case GNU_AK_EIGTHBIT_DATA:
+ case GNU_AK_TINY_DATA:
+ case GNU_AK_SAVEALL:
+ case GNU_AK_FLATTEN:
+ case GNU_AK_SSEREGPARM:
+ case GNU_AK_EXTERNALLY_VISIBLE:
+ case GNU_AK_RETURN_TWICE:
+ case GNU_AK_MAY_ALIAS:
+ case GNU_AK_MS_STRUCT:
+ case GNU_AK_GCC_STRUCT:
+ case GNU_AK_DLLIMPORT:
+ case GNU_AK_DLLEXPORT:
+ if(attribute->have_arguments) {
+ /* should have no arguments */
+ errorf(HERE, "wrong number of arguments specified for '%s' attribute", name);
+ eat_until_matching_token('(');
+ /* we have already consumed '(', so we stop before ')', eat it */
+ eat(')');
+ attribute->invalid = true;
+ }
+ break;
+
+ case GNU_AK_ALIGNED:
+ case GNU_AK_FORMAT_ARG:
+ case GNU_AK_REGPARM:
+ case GNU_AK_TRAP_EXIT:
+ if(!attribute->have_arguments) {
+ /* should have arguments */
+ errorf(HERE, "wrong number of arguments specified for '%s' attribute", name);
+ attribute->invalid = true;
+ } else
+ parse_gnu_attribute_const_arg(attribute);
+ break;
+ case GNU_AK_ALIAS:
+ case GNU_AK_SECTION:
+ case GNU_AK_SP_SWITCH:
+ if(!attribute->have_arguments) {
+ /* should have arguments */
+ errorf(HERE, "wrong number of arguments specified for '%s' attribute", name);
+ attribute->invalid = true;
+ } else
+ parse_gnu_attribute_string_arg(attribute, &attribute->u.string);
+ break;
+ case GNU_AK_FORMAT:
+ if(!attribute->have_arguments) {
+ /* should have arguments */
+ errorf(HERE, "wrong number of arguments specified for '%s' attribute", name);
+ attribute->invalid = true;
+ } else
+ parse_gnu_attribute_format_args(attribute);
+ break;
+ case GNU_AK_WEAKREF:
+ /* may have one string argument */
+ if(attribute->have_arguments)
+ parse_gnu_attribute_string_arg(attribute, &attribute->u.string);
+ break;
+ case GNU_AK_NONNULL:
+ if(attribute->have_arguments)
+ parse_gnu_attribute_const_arg_list(attribute);
+ break;
+ case GNU_AK_TLS_MODEL:
+ if(!attribute->have_arguments) {
+ /* should have arguments */
+ errorf(HERE, "wrong number of arguments specified for '%s' attribute", name);
+ } else
+ parse_gnu_attribute_tls_model_arg(attribute);
+ break;
+ case GNU_AK_VISIBILITY:
+ if(!attribute->have_arguments) {
+ /* should have arguments */
+ errorf(HERE, "wrong number of arguments specified for '%s' attribute", name);
+ } else
+ parse_gnu_attribute_visibility_arg(attribute);
+ break;
+ case GNU_AK_MODEL:
+ if(!attribute->have_arguments) {
+ /* should have arguments */
+ errorf(HERE, "wrong number of arguments specified for '%s' attribute", name);
+ } else
+ parse_gnu_attribute_model_arg(attribute);
+ case GNU_AK_INTERRUPT:
+ /* may have one string argument */
+ if(attribute->have_arguments)
+ parse_gnu_attribute_interrupt_arg(attribute);
+ break;
+ case GNU_AK_SENTINEL:
+ /* may have one string argument */
+ if(attribute->have_arguments)
+ parse_gnu_attribute_const_arg(attribute);
+ break;
+ case GNU_AK_LAST:
+ /* already handled */
+ break;
+ }
}
+ if(attribute != NULL) {
+ if(last != NULL) {
+ last->next = attribute;
+ last = attribute;
+ } else {
+ head = last = attribute;
+ }
+ }
+
if(token.type != ',')
break;
next_token();
expect(')');
expect(')');
end_error:
- return;
+ *attributes = head;
}
/**
* Parse GNU attributes.
*/
-static void parse_attributes(void)
+static void parse_attributes(gnu_attribute_t **attributes)
{
while(true) {
switch(token.type) {
case T___attribute__: {
- parse_gnu_attribute();
+ parse_gnu_attribute(attributes);
break;
}
case T_asm:
}
}
-end_error:
attributes_finished:
- ;
+end_error:
+ return;
}
static designator_t *parse_designation(void)
}
}
- type_t *const res_type = semantic_assign(type, expression, "initializer");
+ type_t *const res_type = semantic_assign(type, expression, "initializer",
+ &expression->base.source_position);
if (res_type == NULL)
return NULL;
expression_t *expression = parse_assignment_expression();
if(must_be_constant && !is_initializer_constant(expression)) {
- errorf(expression->base.source_position,
+ errorf(&expression->base.source_position,
"Initialisation expression '%E' is not constant\n",
expression);
}
initializer_t *initializer = initializer_from_expression(type, expression);
if(initializer == NULL) {
- errorf(expression->base.source_position,
+ errorf(&expression->base.source_position,
"expression '%E' (type '%T') doesn't match expected type '%T'",
expression, expression->base.type, type);
/* TODO */
symbol_t *symbol = designator->symbol;
if(!is_type_compound(type)) {
if(is_type_valid(type)) {
- errorf(designator->source_position,
+ errorf(&designator->source_position,
"'.%Y' designator used for non-compound type '%T'",
symbol, orig_type);
}
}
}
if(iter == NULL) {
- errorf(designator->source_position,
+ errorf(&designator->source_position,
"'%T' has no member named '%Y'", orig_type, symbol);
goto failed;
}
if(used_in_offsetof) {
type_t *real_type = skip_typeref(iter->type);
if(real_type->kind == TYPE_BITFIELD) {
- errorf(designator->source_position,
+ errorf(&designator->source_position,
"offsetof designator '%Y' may not specify bitfield",
symbol);
goto failed;
if(!is_type_array(type)) {
if(is_type_valid(type)) {
- errorf(designator->source_position,
+ errorf(&designator->source_position,
"[%E] designator used for non-array type '%T'",
array_index, orig_type);
}
long index = fold_constant(array_index);
if(!used_in_offsetof) {
if(index < 0) {
- errorf(designator->source_position,
+ errorf(&designator->source_position,
"array index [%E] must be positive", array_index);
goto failed;
}
if(type->array.size_constant == true) {
long array_size = type->array.size;
if(index >= array_size) {
- errorf(designator->source_position,
- "designator [%E] (%d) exceeds array size %d",
- array_index, index, array_size);
+ errorf(&designator->source_position,
+ "designator [%E] (%d) exceeds array size %d",
+ array_index, index, array_size);
goto failed;
}
}
expression_t *expression = parse_assignment_expression();
if(env->must_be_constant && !is_initializer_constant(expression)) {
- errorf(expression->base.source_position,
+ errorf(&expression->base.source_position,
"Initialisation expression '%E' is not constant\n",
expression);
}
goto end_error;
}
if(is_type_scalar(type)) {
- errorf(expression->base.source_position,
+ errorf(&expression->base.source_position,
"expression '%E' doesn't match expected type '%T'",
expression, orig_type);
goto end_error;
static declaration_t *parse_compound_type_specifier(bool is_struct)
{
+ gnu_attribute_t *attributes = NULL;
if(is_struct) {
eat(T_struct);
} else {
declaration_t *declaration = NULL;
if (token.type == T___attribute__) {
- /* TODO */
- parse_attributes();
+ parse_attributes(&attributes);
}
if(token.type == T_IDENTIFIER) {
declaration->init.is_defined = true;
parse_compound_type_entries(declaration);
- parse_attributes();
+ parse_attributes(&attributes);
}
return declaration;
static type_t *parse_enum_specifier(void)
{
- eat(T_enum);
-
- declaration_t *declaration;
- symbol_t *symbol;
+ gnu_attribute_t *attributes = NULL;
+ declaration_t *declaration;
+ symbol_t *symbol;
+ eat(T_enum);
if(token.type == T_IDENTIFIER) {
symbol = token.v.symbol;
next_token();
declaration->parent_scope = scope;
}
- type_t *const type = allocate_type_zero(TYPE_ENUM, declaration->source_position);
+ type_t *const type = allocate_type_zero(TYPE_ENUM, &declaration->source_position);
type->enumt.declaration = declaration;
if(token.type == '{') {
declaration->init.is_defined = 1;
parse_enum_entries(type);
- parse_attributes();
+ parse_attributes(&attributes);
}
return type;
rem_anchor_token(')');
expect(')');
- type_t *typeof_type = allocate_type_zero(TYPE_TYPEOF, expression->base.source_position);
+ type_t *typeof_type = allocate_type_zero(TYPE_TYPEOF, &expression->base.source_position);
typeof_type->typeoft.expression = expression;
typeof_type->typeoft.typeof_type = type;
static type_t *create_builtin_type(symbol_t *const symbol,
type_t *const real_type)
{
- type_t *type = allocate_type_zero(TYPE_BUILTIN, builtin_source_position);
+ type_t *type = allocate_type_zero(TYPE_BUILTIN, &builtin_source_position);
type->builtin.symbol = symbol;
type->builtin.real_type = real_type;
|| declaration->storage_class != STORAGE_CLASS_TYPEDEF)
return NULL;
- type_t *type = allocate_type_zero(TYPE_TYPEDEF, declaration->source_position);
+ type_t *type = allocate_type_zero(TYPE_TYPEDEF, &declaration->source_position);
type->typedeft.declaration = declaration;
return type;
break;
case T___attribute__:
- parse_attributes();
+ parse_attributes(&specifiers->gnu_attributes);
break;
case T_IDENTIFIER: {
atomic_type = ATOMIC_TYPE_INVALID;
}
- type = allocate_type_zero(TYPE_ATOMIC, builtin_source_position);
+ type = allocate_type_zero(TYPE_ATOMIC, &builtin_source_position);
type->atomic.akind = atomic_type;
newtype = 1;
} else {
type_t *type;
if(declaration != NULL) {
- type = allocate_type_zero(TYPE_FUNCTION, declaration->source_position);
+ type = allocate_type_zero(TYPE_FUNCTION, &declaration->source_position);
} else {
- type = allocate_type_zero(TYPE_FUNCTION, token.source_position);
+ type = allocate_type_zero(TYPE_FUNCTION, HERE);
}
declaration_t *parameters = parse_parameters(&type->function);
* how to construct the final declarator type */
construct_type_t *first = NULL;
construct_type_t *last = NULL;
+ gnu_attribute_t *attributes = NULL;
/* pointers */
while(token.type == '*') {
}
/* TODO: find out if this is correct */
- parse_attributes();
+ parse_attributes(&attributes);
construct_type_t *inner_types = NULL;
}
declarator_finished:
- parse_attributes();
+ parse_attributes(&attributes);
/* append inner_types at the end of the list, we don't to set last anymore
* as it's not needed anymore */
case CONSTRUCT_POINTER: {
parsed_pointer_t *parsed_pointer = (parsed_pointer_t*) iter;
- type_t *pointer_type = allocate_type_zero(TYPE_POINTER, (source_position_t){NULL, 0});
+ type_t *pointer_type = allocate_type_zero(TYPE_POINTER, &null_position);
pointer_type->pointer.points_to = type;
pointer_type->base.qualifiers = parsed_pointer->type_qualifiers;
case CONSTRUCT_ARRAY: {
parsed_array_t *parsed_array = (parsed_array_t*) iter;
- type_t *array_type = allocate_type_zero(TYPE_ARRAY, (source_position_t){NULL, 0});
+ type_t *array_type = allocate_type_zero(TYPE_ARRAY, &null_position);
expression_t *size_expression = parsed_array->size;
if(size_expression != NULL) {
static void check_type_of_main(const declaration_t *const decl, const function_type_t *const func_type)
{
if (decl->storage_class == STORAGE_CLASS_STATIC) {
- warningf(decl->source_position, "'main' is normally a non-static function");
+ warningf(&decl->source_position,
+ "'main' is normally a non-static function");
}
if (skip_typeref(func_type->return_type) != type_int) {
- warningf(decl->source_position, "return type of 'main' should be 'int', but is '%T'", func_type->return_type);
+ warningf(&decl->source_position,
+ "return type of 'main' should be 'int', but is '%T'",
+ func_type->return_type);
}
const function_parameter_t *parm = func_type->parameters;
if (parm != NULL) {
type_t *const first_type = parm->type;
if (!types_compatible(skip_typeref(first_type), type_int)) {
- warningf(decl->source_position, "first argument of 'main' should be 'int', but is '%T'", first_type);
+ warningf(&decl->source_position,
+ "first argument of 'main' should be 'int', but is '%T'", first_type);
}
parm = parm->next;
if (parm != NULL) {
type_t *const second_type = parm->type;
if (!types_compatible(skip_typeref(second_type), type_char_ptr_ptr)) {
- warningf(decl->source_position, "second argument of 'main' should be 'char**', but is '%T'", second_type);
+ warningf(&decl->source_position,
+ "second argument of 'main' should be 'char**', but is '%T'", second_type);
}
parm = parm->next;
if (parm != NULL) {
type_t *const third_type = parm->type;
if (!types_compatible(skip_typeref(third_type), type_char_ptr_ptr)) {
- warningf(decl->source_position, "third argument of 'main' should be 'char**', but is '%T'", third_type);
+ warningf(&decl->source_position,
+ "third argument of 'main' should be 'char**', but is '%T'", third_type);
}
parm = parm->next;
if (parm != NULL) {
- warningf(decl->source_position, "'main' takes only zero, two or three arguments");
+ warningf(&decl->source_position, "'main' takes only zero, two or three arguments");
}
}
} else {
- warningf(decl->source_position, "'main' takes only zero, two or three arguments");
+ warningf(&decl->source_position, "'main' takes only zero, two or three arguments");
}
}
}
if (is_type_function(type) &&
type->function.unspecified_parameters &&
warning.strict_prototypes) {
- warningf(declaration->source_position,
+ warningf(&declaration->source_position,
"function declaration '%#T' is not a prototype",
orig_type, declaration->symbol);
}
const type_t *prev_type = skip_typeref(previous_declaration->type);
if (!types_compatible(type, prev_type)) {
- errorf(declaration->source_position,
- "declaration '%#T' is incompatible with "
- "previous declaration '%#T'",
- orig_type, symbol, previous_declaration->type, symbol);
- errorf(previous_declaration->source_position,
- "previous declaration of '%Y' was here", symbol);
+ errorf(&declaration->source_position,
+ "declaration '%#T' is incompatible with '%#T' (declared %P)",
+ orig_type, symbol, previous_declaration->type, symbol,
+ &previous_declaration->source_position);
} else {
unsigned old_storage_class = previous_declaration->storage_class;
- if (old_storage_class == STORAGE_CLASS_ENUM_ENTRY) {
- errorf(declaration->source_position, "redeclaration of enum entry '%Y'", symbol);
- errorf(previous_declaration->source_position, "previous declaration of '%Y' was here", symbol);
+ if(old_storage_class == STORAGE_CLASS_ENUM_ENTRY) {
+ errorf(&declaration->source_position,
+ "redeclaration of enum entry '%Y' (declared %P)",
+ symbol, &previous_declaration->source_position);
return previous_declaration;
}
if (warning.missing_prototypes &&
prev_type->function.unspecified_parameters &&
!is_sym_main(symbol)) {
- warningf(declaration->source_position,
+ warningf(&declaration->source_position,
"no previous prototype for '%#T'",
orig_type, symbol);
}
new_storage_class == STORAGE_CLASS_EXTERN) {
warn_redundant_declaration:
if (warning.redundant_decls) {
- warningf(declaration->source_position,
- "redundant declaration for '%Y'", symbol);
- warningf(previous_declaration->source_position,
- "previous declaration of '%Y' was here",
- symbol);
+ warningf(&declaration->source_position,
+ "redundant declaration for '%Y' (declared %P)",
+ symbol, &previous_declaration->source_position);
}
} else if (current_function == NULL) {
if (old_storage_class != STORAGE_CLASS_STATIC &&
new_storage_class == STORAGE_CLASS_STATIC) {
- errorf(declaration->source_position,
- "static declaration of '%Y' follows non-static declaration",
- symbol);
- errorf(previous_declaration->source_position,
- "previous declaration of '%Y' was here", symbol);
+ errorf(&declaration->source_position,
+ "static declaration of '%Y' follows non-static declaration (declared %P)",
+ symbol, &previous_declaration->source_position);
} else {
if (old_storage_class != STORAGE_CLASS_EXTERN && !is_function_definition) {
goto warn_redundant_declaration;
}
} else {
if (old_storage_class == new_storage_class) {
- errorf(declaration->source_position,
- "redeclaration of '%Y'", symbol);
+ errorf(&declaration->source_position,
+ "redeclaration of '%Y' (declared %P)",
+ symbol, &previous_declaration->source_position);
} else {
- errorf(declaration->source_position,
- "redeclaration of '%Y' with different linkage",
- symbol);
+ errorf(&declaration->source_position,
+ "redeclaration of '%Y' with different linkage (declared %P)",
+ symbol, &previous_declaration->source_position);
}
- errorf(previous_declaration->source_position,
- "previous declaration of '%Y' was here", symbol);
}
}
return previous_declaration;
} else if (is_function_definition) {
if (declaration->storage_class != STORAGE_CLASS_STATIC) {
if (warning.missing_prototypes && !is_sym_main(symbol)) {
- warningf(declaration->source_position,
+ warningf(&declaration->source_position,
"no previous prototype for '%#T'", orig_type, symbol);
} else if (warning.missing_declarations && !is_sym_main(symbol)) {
- warningf(declaration->source_position,
+ warningf(&declaration->source_position,
"no previous declaration for '%#T'", orig_type,
symbol);
}
declaration->storage_class == STORAGE_CLASS_NONE ||
declaration->storage_class == STORAGE_CLASS_THREAD
)) {
- warningf(declaration->source_position,
+ warningf(&declaration->source_position,
"no previous declaration for '%#T'", orig_type, symbol);
}
}
static void parser_error_multiple_definition(declaration_t *declaration,
- const source_position_t source_position)
+ const source_position_t *source_position)
{
- errorf(source_position, "multiple definition of symbol '%Y'",
- declaration->symbol);
- errorf(declaration->source_position,
- "this is the location of the previous definition.");
+ errorf(source_position, "multiple definition of symbol '%Y' (declared %P)",
+ declaration->symbol, &declaration->source_position);
}
static bool is_declaration_specifier(const token_t *token,
type_t *type = skip_typeref(orig_type);
if(declaration->init.initializer != NULL) {
- parser_error_multiple_definition(declaration, token.source_position);
+ parser_error_multiple_definition(declaration, HERE);
}
bool must_be_constant = false;
}
if(is_type_function(type)) {
- errorf(declaration->source_position,
+ errorf(&declaration->source_position,
"initializers not allowed for function types at declator '%Y' (type '%T')",
declaration->symbol, orig_type);
} else {
declaration->modifiers = specifiers->decl_modifiers;
if (declaration->declared_storage_class != STORAGE_CLASS_NONE) {
- warningf(declaration->source_position, "useless storage class in empty declaration");
+ warningf(&declaration->source_position,
+ "useless storage class in empty declaration");
}
declaration->storage_class = STORAGE_CLASS_NONE;
case TYPE_COMPOUND_STRUCT:
case TYPE_COMPOUND_UNION: {
if (type->compound.declaration->symbol == NULL) {
- warningf(declaration->source_position, "unnamed struct/union that defines no instances");
+ warningf(&declaration->source_position,
+ "unnamed struct/union that defines no instances");
}
break;
}
break;
default:
- warningf(declaration->source_position, "empty declaration");
+ warningf(&declaration->source_position, "empty declaration");
break;
}
if (type->kind != TYPE_FUNCTION &&
declaration->is_inline &&
is_type_valid(type)) {
- warningf(declaration->source_position,
+ warningf(&declaration->source_position,
"variable '%Y' declared 'inline'\n", declaration->symbol);
}
label->used = true;
if (label->source_position.input_name == NULL) {
print_in_function();
- errorf(goto_statement->base.source_position,
+ errorf(&goto_statement->base.source_position,
"label '%Y' used but not defined", label->symbol);
}
}
if (! label->used) {
print_in_function();
- warningf(label_statement->base.source_position,
+ warningf(&label_statement->base.source_position,
"label '%Y' defined but not used", label->symbol);
}
}
for (; parameter != NULL; parameter = parameter->next) {
if (! parameter->used) {
print_in_function();
- warningf(parameter->source_position,
- "unused parameter '%Y'", parameter->symbol);
+ warningf(¶meter->source_position,
+ "unused parameter '%Y'", parameter->symbol);
}
}
}
}
if(declaration->init.statement != NULL) {
- parser_error_multiple_definition(declaration, token.source_position);
+ parser_error_multiple_definition(declaration, HERE);
eat_block();
goto end_of_parse_external_declaration;
} else {
}
static type_t *make_bitfield_type(type_t *base, expression_t *size,
- source_position_t source_position)
+ source_position_t *source_position)
{
type_t *type = allocate_type_zero(TYPE_BITFIELD, source_position);
type->bitfield.base = base;
declaration_t *declaration;
if(token.type == ':') {
- source_position_t source_position = HERE;
+ source_position_t source_position = *HERE;
next_token();
type_t *base_type = specifiers->type;
base_type);
}
- type_t *type = make_bitfield_type(base_type, size, source_position);
+ type_t *type = make_bitfield_type(base_type, size, &source_position);
declaration = allocate_declaration_zero();
declaration->namespc = NAMESPACE_NORMAL;
type_t *type = skip_typeref(orig_type);
if(token.type == ':') {
- source_position_t source_position = HERE;
+ source_position_t source_position = *HERE;
next_token();
expression_t *size = parse_constant_expression();
"integer type", orig_type);
}
- type_t *bitfield_type = make_bitfield_type(orig_type, size, source_position);
+ type_t *bitfield_type = make_bitfield_type(orig_type, size, &source_position);
declaration->type = bitfield_type;
} else {
/* TODO we ignore arrays for now... what is missing is a check
if(prev_decl != NULL) {
assert(prev_decl->symbol == symbol);
- errorf(declaration->source_position,
- "multiple declarations of symbol '%Y'", symbol);
- errorf(prev_decl->source_position,
- "previous declaration of '%Y' was here", symbol);
+ errorf(&declaration->source_position,
+ "multiple declarations of symbol '%Y' (declared %P)",
+ symbol, &prev_decl->source_position);
}
}
static expression_t *parse_int_const(void)
{
expression_t *cnst = allocate_expression_zero(EXPR_CONST);
- cnst->base.source_position = HERE;
+ cnst->base.source_position = *HERE;
cnst->base.type = token.datatype;
cnst->conste.v.int_value = token.v.intvalue;
{
expression_t *cnst = allocate_expression_zero(EXPR_CHARACTER_CONSTANT);
- cnst->base.source_position = HERE;
+ cnst->base.source_position = *HERE;
cnst->base.type = token.datatype;
cnst->conste.v.character = token.v.string;
{
expression_t *cnst = allocate_expression_zero(EXPR_WIDE_CHARACTER_CONSTANT);
- cnst->base.source_position = HERE;
+ cnst->base.source_position = *HERE;
cnst->base.type = token.datatype;
cnst->conste.v.wide_character = token.v.wide_string;
}
static declaration_t *create_implicit_function(symbol_t *symbol,
- const source_position_t source_position)
+ const source_position_t *source_position)
{
type_t *ntype = allocate_type_zero(TYPE_FUNCTION, source_position);
ntype->function.return_type = type_int;
declaration->declared_storage_class = STORAGE_CLASS_EXTERN;
declaration->type = type;
declaration->symbol = symbol;
- declaration->source_position = source_position;
+ declaration->source_position = *source_position;
declaration->parent_scope = global_scope;
scope_t *old_scope = scope;
memset(parameter, 0, sizeof(parameter[0]));
parameter->type = argument_type;
- type_t *type = allocate_type_zero(TYPE_FUNCTION, builtin_source_position);
+ type_t *type = allocate_type_zero(TYPE_FUNCTION, &builtin_source_position);
type->function.return_type = return_type;
type->function.parameters = parameter;
}
declaration = create_implicit_function(ref->symbol,
- source_position);
+ &source_position);
} else {
errorf(HERE, "unknown symbol '%Y' found.", ref->symbol);
return create_invalid_expression();
prefix = "function ";
if (declaration->deprecated_string != NULL) {
- warningf(source_position,
+ warningf(&source_position,
"%s'%Y' was declared 'deprecated(\"%s\")'", prefix, declaration->symbol,
declaration->deprecated_string);
} else {
- warningf(source_position,
+ warningf(&source_position,
"%s'%Y' was declared 'deprecated'", prefix, declaration->symbol);
}
}
type = stmt->expression.expression->base.type;
}
} else {
- warningf(expression->base.source_position, "empty statement expression ({})");
+ warningf(&expression->base.source_position, "empty statement expression ({})");
}
expression->base.type = type;
static designator_t *parse_designator(void)
{
designator_t *result = allocate_ast_zero(sizeof(result[0]));
- result->source_position = HERE;
+ result->source_position = *HERE;
if(token.type != T_IDENTIFIER) {
parse_error_expected("while parsing member designator",
return NULL;
}
designator_t *designator = allocate_ast_zero(sizeof(result[0]));
- designator->source_position = HERE;
+ designator->source_position = *HERE;
designator->symbol = token.v.symbol;
next_token();
next_token();
add_anchor_token(']');
designator_t *designator = allocate_ast_zero(sizeof(result[0]));
- designator->source_position = HERE;
+ designator->source_position = *HERE;
designator->array_index = parse_expression();
rem_anchor_token(']');
expect(']');
return expression;
}
}
- errorf(expr->base.source_position, "second argument of 'va_start' must be last parameter of the current function");
+ errorf(&expr->base.source_position,
+ "second argument of 'va_start' must be last parameter of the current function");
end_error:
return create_invalid_expression();
}
internal_errorf(HERE, "invalid compare builtin found");
break;
}
- expression->base.source_position = HERE;
+ expression->base.source_position = *HERE;
next_token();
expect('(');
if(!is_type_float(type_left) && !is_type_float(type_right)) {
if (is_type_valid(type_left) && is_type_valid(type_right)) {
type_error_incompatible("invalid operands in comparison",
- expression->base.source_position, orig_type_left, orig_type_right);
+ &expression->base.source_position, orig_type_left, orig_type_right);
}
} else {
semantic_comparison(&expression->binary);
* Parse a microsoft __noop expression.
*/
static expression_t *parse_noop_expression(void) {
- source_position_t source_position = HERE;
+ source_position_t source_position = *HERE;
eat(T___noop);
if (token.type == '(') {
if (is_type_atomic(base_type, ATOMIC_TYPE_CHAR) &&
warning.char_subscripts) {
- warningf(expression->base.source_position,
- "array subscript has type '%T'", type);
+ warningf(&expression->base.source_position,
+ "array subscript has type '%T'", type);
}
}
type_t *expected_type = parameter->type;
/* TODO report scope in error messages */
expression_t *const arg_expr = argument->expression;
- type_t *const res_type = semantic_assign(expected_type, arg_expr, "function call");
+ type_t *const res_type = semantic_assign(expected_type, arg_expr,
+ "function call",
+ &arg_expr->base.source_position);
if (res_type == NULL) {
/* TODO improve error message */
- errorf(arg_expr->base.source_position,
+ errorf(&arg_expr->base.source_position,
"Cannot call function with argument '%E' of type '%T' where type '%T' is expected",
arg_expr, arg_expr->base.type, expected_type);
} else {
type_t *const condition_type = skip_typeref(condition_type_orig);
if (!is_type_scalar(condition_type) && is_type_valid(condition_type)) {
type_error("expected a scalar type in conditional condition",
- expression->base.source_position, condition_type_orig);
+ &expression->base.source_position, condition_type_orig);
}
expression_t *true_expression = parse_expression();
if(is_type_atomic(true_type, ATOMIC_TYPE_VOID) ||
is_type_atomic(false_type, ATOMIC_TYPE_VOID)) {
if (!is_type_atomic(true_type, ATOMIC_TYPE_VOID)
- || !is_type_atomic(false_type, ATOMIC_TYPE_VOID)) {
- warningf(expression->base.source_position,
+ || !is_type_atomic(false_type, ATOMIC_TYPE_VOID)) {
+ warningf(&expression->base.source_position,
"ISO C forbids conditional expression with only one void side");
}
result_type = type_void;
} else if (is_type_arithmetic(true_type)
- && is_type_arithmetic(false_type)) {
+ && is_type_arithmetic(false_type)) {
result_type = semantic_arithmetic(true_type, false_type);
true_expression = create_implicit_cast(true_expression, result_type);
if(is_type_pointer(other_type)) {
if(!pointers_compatible(true_type, false_type)) {
- warningf(expression->base.source_position,
+ warningf(&expression->base.source_position,
"pointer types '%T' and '%T' in conditional expression are incompatible", true_type, false_type);
}
result_type = true_type;
} else if(is_null_pointer_constant(other_expression)) {
result_type = pointer_type;
} else if(is_type_integer(other_type)) {
- warningf(expression->base.source_position,
+ warningf(&expression->base.source_position,
"pointer/integer type mismatch in conditional expression ('%T' and '%T')", true_type, false_type);
result_type = pointer_type;
} else {
type_error_incompatible("while parsing conditional",
- expression->base.source_position, true_type, false_type);
+ &expression->base.source_position, true_type, false_type);
result_type = type_error_type;
}
} else {
if (is_type_valid(true_type) && is_type_valid(false_type)) {
type_error_incompatible("while parsing conditional",
- expression->base.source_position, true_type,
+ &expression->base.source_position, true_type,
false_type);
}
result_type = type_error_type;
declaration_t *const declaration = value->reference.declaration;
if(declaration != NULL) {
if (declaration->storage_class == STORAGE_CLASS_REGISTER) {
- errorf(expression->base.source_position,
- "address of register variable '%Y' requested",
- declaration->symbol);
+ errorf(&expression->base.source_position,
+ "address of register variable '%Y' requested",
+ declaration->symbol);
}
declaration->address_taken = 1;
}
\
expression_t *unary_expression \
= allocate_expression_zero(unexpression_type); \
- unary_expression->base.source_position = HERE; \
+ unary_expression->base.source_position = *HERE; \
unary_expression->unary.value = parse_sub_expression(precedence); \
\
sfunc(&unary_expression->unary); \
(expression->base.kind != EXPR_BINARY_EQUAL &&
expression->base.kind != EXPR_BINARY_NOTEQUAL) &&
(is_type_signed(type_left) != is_type_signed(type_right))) {
- warningf(expression->base.source_position,
+ warningf(&expression->base.source_position,
"comparison between signed and unsigned");
}
type_t *arithmetic_type = semantic_arithmetic(type_left, type_right);
(expression->base.kind == EXPR_BINARY_EQUAL ||
expression->base.kind == EXPR_BINARY_NOTEQUAL) &&
is_type_float(arithmetic_type)) {
- warningf(expression->base.source_position,
+ warningf(&expression->base.source_position,
"comparing floating point with == or != is unsafe");
}
} else if (is_type_pointer(type_left) && is_type_pointer(type_right)) {
expression->left = create_implicit_cast(left, type_right);
} else if (is_type_valid(type_left) && is_type_valid(type_right)) {
type_error_incompatible("invalid operands in comparison",
- expression->base.source_position,
+ &expression->base.source_position,
type_left, type_right);
}
expression->base.type = type_int;
}
type_t *const res_type = semantic_assign(orig_type_left, expression->right,
- "assignment");
+ "assignment", &left->base.source_position);
if (res_type == NULL) {
- errorf(expression->base.source_position,
+ errorf(&expression->base.source_position,
"cannot assign to '%T' from '%T'",
orig_type_left, expression->right->base.type);
} else {
if (warning.unused_value) {
const expression_t *const left = expression->left;
if (!expression_has_effect(left)) {
- warningf(left->base.source_position, "left-hand operand of comma expression has no effect");
+ warningf(&left->base.source_position,
+ "left-hand operand of comma expression has no effect");
}
}
expression->base.type = expression->right->base.type;
expression_t *left) \
{ \
eat(token_type); \
- source_position_t pos = HERE; \
+ source_position_t pos = *HERE; \
\
expression_t *right = parse_sub_expression(precedence + lr); \
\
expect(':');
if (! is_constant_expression(statement->case_label.expression)) {
- errorf(statement->base.source_position,
- "case label does not reduce to an integer constant");
+ errorf(&statement->base.source_position,
+ "case label does not reduce to an integer constant");
} else {
/* TODO: check if the case label is already known */
if (current_switch != NULL) {
current_switch->last_case->next = &statement->case_label;
}
} else {
- errorf(statement->base.source_position,
- "case label not within a switch statement");
+ errorf(&statement->base.source_position,
+ "case label not within a switch statement");
}
}
statement->case_label.statement = parse_statement();
if (current_switch != NULL) {
const case_label_statement_t *def_label = find_default_label(current_switch);
if (def_label != NULL) {
- errorf(HERE, "multiple default labels in one switch");
- errorf(def_label->base.source_position,
- "this is the first default label");
+ errorf(HERE, "multiple default labels in one switch (previous declared %P)",
+ &def_label->base.source_position);
} else {
/* link all cases into the switch statement */
if (current_switch->last_case == NULL) {
}
}
} else {
- errorf(statement->base.source_position,
+ errorf(&statement->base.source_position,
"'default' label not within a switch statement");
}
statement->case_label.statement = parse_statement();
/* if source position is already set then the label is defined twice,
* otherwise it was just mentioned in a goto so far */
if(label->source_position.input_name != NULL) {
- errorf(HERE, "duplicate label '%Y'", symbol);
- errorf(label->source_position, "previous definition of '%Y' was here",
- symbol);
+ errorf(HERE, "duplicate label '%Y' (declared %P)",
+ symbol, &label->source_position);
} else {
label->source_position = token.source_position;
}
if (is_type_integer(type)) {
type = promote_integer(type);
} else if (is_type_valid(type)) {
- errorf(expr->base.source_position,
+ errorf(&expr->base.source_position,
"switch quantity is not an integer, but '%T'", type);
type = type_error_type;
}
statement->switchs.body = parse_statement();
current_switch = rem;
- if (warning.switch_default
- && find_default_label(&statement->switchs) == NULL) {
- warningf(statement->base.source_position, "switch has no default case");
+ if(warning.switch_default &&
+ find_default_label(&statement->switchs) == NULL) {
+ warningf(&statement->base.source_position, "switch has no default case");
}
return statement;
if(is_declaration_specifier(&token, false)) {
parse_declaration(record_declaration);
} else {
+ add_anchor_token(';');
expression_t *const init = parse_expression();
statement->fors.initialisation = init;
- if (warning.unused_value && !expression_has_effect(init)) {
- warningf(init->base.source_position,
+ if (warning.unused_value && !expression_has_effect(init)) {
+ warningf(&init->base.source_position,
"initialisation of 'for'-statement has no effect");
}
+ rem_anchor_token(';');
expect(';');
}
} else {
}
if(token.type != ';') {
+ add_anchor_token(';');
statement->fors.condition = parse_expression();
+ rem_anchor_token(';');
}
expect(';');
if(token.type != ')') {
expression_t *const step = parse_expression();
statement->fors.step = step;
- if (warning.unused_value && !expression_has_effect(step)) {
- warningf(step->base.source_position,
+ if (warning.unused_value && !expression_has_effect(step)) {
+ warningf(&step->base.source_position,
"step of 'for'-statement has no effect");
}
}
*/
static statement_t *parse_return(void)
{
- eat(T_return);
-
statement_t *statement = allocate_statement_zero(STATEMENT_RETURN);
statement->base.source_position = token.source_position;
+ eat(T_return);
+
expression_t *return_value = NULL;
if(token.type != ';') {
return_value = parse_expression();
if(is_type_atomic(return_type, ATOMIC_TYPE_VOID)
&& !is_type_atomic(return_value_type, ATOMIC_TYPE_VOID)) {
- warningf(statement->base.source_position,
+ warningf(&statement->base.source_position,
"'return' with a value, in function returning void");
return_value = NULL;
} else {
type_t *const res_type = semantic_assign(return_type,
- return_value, "'return'");
+ return_value, "'return'", &statement->base.source_position);
if (res_type == NULL) {
- errorf(statement->base.source_position,
+ errorf(&statement->base.source_position,
"cannot return something of type '%T' in function returning '%T'",
return_value->base.type, return_type);
} else {
if (return_value->base.kind == EXPR_UNARY_TAKE_ADDRESS) {
const expression_t *expression = return_value->unary.value;
if (is_local_variable(expression)) {
- warningf(statement->base.source_position,
+ warningf(&statement->base.source_position,
"function returns address of local variable");
}
}
} else {
if(!is_type_atomic(return_type, ATOMIC_TYPE_VOID)) {
- warningf(statement->base.source_position,
+ warningf(&statement->base.source_position,
"'return' without value, in function returning non-void");
}
}
expression_t *const expr = parse_expression();
statement->expression.expression = expr;
- if (warning.unused_value && !expression_has_effect(expr)) {
- warningf(expr->base.source_position, "statement has no effect");
+ if (warning.unused_value && !expression_has_effect(expr)) {
+ warningf(&expr->base.source_position, "statement has no effect");
}
expect(';');
if(token.type == '}') {
next_token();
} else {
- errorf(statement->base.source_position,
+ errorf(&statement->base.source_position,
"end of file while looking for closing '}'");
}
s = "defined";
}
- warningf(decl->source_position, "'%#T' %s but not used",
+ warningf(&decl->source_position, "'%#T' %s but not used",
type, decl->symbol, s);
}
}
projects / cparser / blobdiff