source_position_t source_position;
unsigned char declared_storage_class;
unsigned char alignment; /**< Alignment, 0 if not set. */
- bool is_inline;
+ unsigned int is_inline : 1;
+ unsigned int deprecated : 1;
decl_modifiers_t decl_modifiers; /**< MS __declspec extended modifier mask */
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. */
static const symbol_t *sym_thread = NULL;
static const symbol_t *sym_uuid = NULL;
static const symbol_t *sym_deprecated = NULL;
+static const symbol_t *sym_restrict = NULL;
+static const symbol_t *sym_noalias = NULL;
/** The token anchor set */
static unsigned char token_anchor_set[T_LAST_TOKEN];
case T_restrict: \
case T_volatile: \
case T_inline: \
- case T_forceinline:
+ case T__forceinline:
#ifdef PROVIDE_COMPLEX
#define COMPLEX_SPECIFIERS \
case T_enum: \
case T___typeof__: \
case T___builtin_va_list: \
+ case T__declspec: \
COMPLEX_SPECIFIERS \
IMAGINARY_SPECIFIERS
static size_t get_statement_struct_size(statement_kind_t kind)
{
static const size_t sizes[] = {
+ [STATEMENT_INVALID] = sizeof(invalid_statement_t),
+ [STATEMENT_EMPTY] = sizeof(empty_statement_t),
[STATEMENT_COMPOUND] = sizeof(compound_statement_t),
[STATEMENT_RETURN] = sizeof(return_statement_t),
[STATEMENT_DECLARATION] = sizeof(declaration_statement_t),
return res;
}
+/**
+ * Creates a new invalid statement.
+ */
+static statement_t *create_invalid_statement(void)
+{
+ statement_t *statement = allocate_statement_zero(STATEMENT_INVALID);
+ statement->base.source_position = token.source_position;
+ return statement;
+}
+
+/**
+ * Allocate a new empty statement.
+ */
+static statement_t *create_empty_statement(void)
+{
+ statement_t *statement = allocate_statement_zero(STATEMENT_EMPTY);
+ statement->base.source_position = token.source_position;
+ return statement;
+}
+
/**
* Returns the size of an expression node.
*
[EXPR_CHARACTER_CONSTANT] = sizeof(const_expression_t),
[EXPR_WIDE_CHARACTER_CONSTANT] = sizeof(const_expression_t),
[EXPR_STRING_LITERAL] = sizeof(string_literal_expression_t),
- [EXPR_WIDE_STRING_LITERAL] = sizeof(wide_string_literal_expression_t),
+ [EXPR_WIDE_STRING_LITERAL] = sizeof(wide_string_literal_expression_t),
[EXPR_COMPOUND_LITERAL] = sizeof(compound_literal_expression_t),
[EXPR_CALL] = sizeof(call_expression_t),
[EXPR_UNARY_FIRST] = sizeof(unary_expression_t),
[EXPR_CLASSIFY_TYPE] = sizeof(classify_type_expression_t),
[EXPR_FUNCTION] = sizeof(string_literal_expression_t),
[EXPR_PRETTY_FUNCTION] = sizeof(string_literal_expression_t),
+ [EXPR_FUNCSIG] = sizeof(string_literal_expression_t),
+ [EXPR_FUNCDNAME] = sizeof(string_literal_expression_t),
[EXPR_BUILTIN_SYMBOL] = sizeof(builtin_symbol_expression_t),
[EXPR_BUILTIN_CONSTANT_P] = sizeof(builtin_constant_expression_t),
[EXPR_BUILTIN_PREFETCH] = sizeof(builtin_prefetch_expression_t),
next_token();
}
+/**
+ * eat all token until a ';' is reached
+ * or a stop token is found.
+ */
static void eat_statement(void) {
eat_until_matching_token(';');
if(token.type == ';')
}
va_list ap;
va_start(ap, message);
- errorf(HERE, "got %K, expected %#k", &token, &ap, ", ");
+ errorf(HERE, "got %K, expected %#k", &token, &ap, "a ");
va_end(ap);
}
return result;
}
+/**
+ * Parse one GNU attribute.
+ */
+static void parse_gnu_attribute(void)
+{
+ eat(T___attribute__);
+ expect('(');
+ expect('(');
+ while(true) {
+ if(token.type != T_IDENTIFIER)
+ break;
+ symbol_t *sym = token.v.symbol;
+ if(sym == sym_deprecated) {
+ }
+ next_token();
+ if(token.type == '(')
+ eat_until_matching_token('(');
+ if(token.type != ',')
+ break;
+ next_token();
+ }
+ expect(')');
+ expect(')');
+end_error:
+ return;
+}
+
+/**
+ * Parse GNU attributes.
+ */
static void parse_attributes(void)
{
while(true) {
switch(token.type) {
case T___attribute__: {
- next_token();
-
- expect('(');
- int depth = 1;
- while(depth > 0) {
- switch(token.type) {
- case T_EOF:
- errorf(HERE, "EOF while parsing attribute");
- break;
- case '(':
- next_token();
- depth++;
- break;
- case ')':
- next_token();
- depth--;
- break;
- default:
- next_token();
- }
- }
+ parse_gnu_attribute();
break;
}
case T_asm:
designator = allocate_ast_zero(sizeof(designator[0]));
designator->source_position = token.source_position;
next_token();
+ add_anchor_token(']');
designator->array_index = parse_constant_expression();
+ rem_anchor_token(']');
expect(']');
break;
case '.':
}
fprintf(stderr, ".%s", entry->v.compound_entry->symbol->string);
} else if(is_type_array(type)) {
- fprintf(stderr, "[%u]", entry->v.index);
+ fprintf(stderr, "[%zd]", entry->v.index);
} else {
fprintf(stderr, "-INVALID-");
}
}
}
+static initializer_t *create_empty_initializer(void)
+{
+ static initializer_t empty_initializer
+ = { .list = { { INITIALIZER_LIST }, 0 } };
+ return &empty_initializer;
+}
+
/**
* Parse a part of an initialiser for a struct or union,
*/
{
if(token.type == '}') {
/* empty initializer */
- return NULL;
+ return create_empty_initializer();
}
type_t *orig_type = path->top_type;
* initializers in this case. */
if(!is_type_valid(type)) {
skip_initializers();
- return NULL;
+ return create_empty_initializer();
}
}
} else
descend_into_subtype(path);
+ add_anchor_token('}');
sub = parse_sub_initializer(path, orig_type, top_path_level+1,
env);
+ rem_anchor_token('}');
if(type != NULL) {
ascend_from_subtype(path);
descend_into_subtype(&path);
+ add_anchor_token('}');
result = parse_sub_initializer(&path, env->type, 1, env);
+ rem_anchor_token('}');
max_index = path.max_index;
DEL_ARR_F(path.path);
break;
default:
- panic("invalid initializer type");
+ internal_errorf(HERE, "invalid initializer type");
}
expression_t *cnst = allocate_expression_zero(EXPR_CONST);
return;
}
+ add_anchor_token('}');
do {
if(token.type != T_IDENTIFIER) {
parse_error_expected("while parsing enum entry", T_IDENTIFIER, 0);
eat_block();
+ rem_anchor_token('}');
return;
}
break;
next_token();
} while(token.type != '}');
+ rem_anchor_token('}');
expect('}');
type_t *type;
expect('(');
+ add_anchor_token(')');
expression_t *expression = NULL;
break;
}
+ rem_anchor_token(')');
expect(')');
type_t *typeof_type = allocate_type_zero(TYPE_TYPEOF, expression->base.source_position);
SPECIFIER_FLOAT = 1 << 8,
SPECIFIER_BOOL = 1 << 9,
SPECIFIER_VOID = 1 << 10,
+ SPECIFIER_INT8 = 1 << 11,
+ SPECIFIER_INT16 = 1 << 12,
+ SPECIFIER_INT32 = 1 << 13,
+ SPECIFIER_INT64 = 1 << 14,
+ SPECIFIER_INT128 = 1 << 15,
#ifdef PROVIDE_COMPLEX
- SPECIFIER_COMPLEX = 1 << 11,
- SPECIFIER_IMAGINARY = 1 << 12,
+ SPECIFIER_COMPLEX = 1 << 16,
+ SPECIFIER_IMAGINARY = 1 << 17,
#endif
} specifiers_t;
static void parse_microsoft_extended_decl_modifier(declaration_specifiers_t *specifiers)
{
- symbol_t *symbol;
decl_modifiers_t *modifiers = &specifiers->decl_modifiers;
- while(token.type == T_IDENTIFIER) {
- symbol = token.v.symbol;
+ while(true) {
+ if(token.type == T_restrict) {
+ next_token();
+ DET_MOD(restrict, DM_RESTRICT);
+ goto end_loop;
+ } else if(token.type != T_IDENTIFIER)
+ break;
+ symbol_t *symbol = token.v.symbol;
if(symbol == sym_align) {
next_token();
expect('(');
expect(')');
} else if(symbol == sym_deprecated) {
next_token();
- DET_MOD(deprecated, DM_DEPRECATED);
- if(token.type == '(') {
+ if(specifiers->deprecated != 0)
+ warningf(HERE, "deprecated used more than once");
+ specifiers->deprecated = 1;
+ if(token.type == '(') {
next_token();
if(token.type == T_STRING_LITERAL) {
specifiers->deprecated_string = token.v.string.begin;
}
expect(')');
}
+ } else if(symbol == sym_noalias) {
+ next_token();
+ DET_MOD(noalias, DM_NOALIAS);
} else {
warningf(HERE, "Unknown modifier %Y ignored", token.v.symbol);
next_token();
if(token.type == '(')
skip_until(')');
}
+end_loop:
if (token.type == ',')
next_token();
}
MATCH_STORAGE_CLASS(T_auto, STORAGE_CLASS_AUTO)
MATCH_STORAGE_CLASS(T_register, STORAGE_CLASS_REGISTER)
- case T_declspec:
+ case T__declspec:
next_token();
expect('(');
+ add_anchor_token(')');
parse_microsoft_extended_decl_modifier(specifiers);
+ rem_anchor_token(')');
expect(')');
break;
MATCH_TYPE_QUALIFIER(T_const, TYPE_QUALIFIER_CONST);
MATCH_TYPE_QUALIFIER(T_restrict, TYPE_QUALIFIER_RESTRICT);
MATCH_TYPE_QUALIFIER(T_volatile, TYPE_QUALIFIER_VOLATILE);
+ MATCH_TYPE_QUALIFIER(T__w64, TYPE_QUALIFIER_W64);
+ MATCH_TYPE_QUALIFIER(T___ptr32, TYPE_QUALIFIER_PTR32);
+ MATCH_TYPE_QUALIFIER(T___ptr64, TYPE_QUALIFIER_PTR64);
+ MATCH_TYPE_QUALIFIER(T___uptr, TYPE_QUALIFIER_UPTR);
+ MATCH_TYPE_QUALIFIER(T___sptr, TYPE_QUALIFIER_SPTR);
case T___extension__:
/* TODO */
MATCH_SPECIFIER(T_signed, SPECIFIER_SIGNED, "signed")
MATCH_SPECIFIER(T_unsigned, SPECIFIER_UNSIGNED, "unsigned")
MATCH_SPECIFIER(T__Bool, SPECIFIER_BOOL, "_Bool")
+ MATCH_SPECIFIER(T__int8, SPECIFIER_INT8, "_int8")
+ MATCH_SPECIFIER(T__int16, SPECIFIER_INT16, "_int16")
+ MATCH_SPECIFIER(T__int32, SPECIFIER_INT32, "_int32")
+ MATCH_SPECIFIER(T__int64, SPECIFIER_INT64, "_int64")
+ MATCH_SPECIFIER(T__int128, SPECIFIER_INT128, "_int128")
#ifdef PROVIDE_COMPLEX
MATCH_SPECIFIER(T__Complex, SPECIFIER_COMPLEX, "_Complex")
MATCH_SPECIFIER(T__Imaginary, SPECIFIER_IMAGINARY, "_Imaginary")
#endif
- case T_forceinline:
+ case T__forceinline:
/* only in microsoft mode */
specifiers->decl_modifiers |= DM_FORCEINLINE;
| SPECIFIER_INT:
atomic_type = ATOMIC_TYPE_ULONGLONG;
break;
+
+ case SPECIFIER_UNSIGNED | SPECIFIER_INT8:
+ atomic_type = unsigned_int8_type_kind;
+ break;
+
+ case SPECIFIER_UNSIGNED | SPECIFIER_INT16:
+ atomic_type = unsigned_int16_type_kind;
+ break;
+
+ case SPECIFIER_UNSIGNED | SPECIFIER_INT32:
+ atomic_type = unsigned_int32_type_kind;
+ break;
+
+ case SPECIFIER_UNSIGNED | SPECIFIER_INT64:
+ atomic_type = unsigned_int64_type_kind;
+ break;
+
+ case SPECIFIER_UNSIGNED | SPECIFIER_INT128:
+ atomic_type = unsigned_int128_type_kind;
+ break;
+
+ case SPECIFIER_INT8:
+ case SPECIFIER_SIGNED | SPECIFIER_INT8:
+ atomic_type = int8_type_kind;
+ break;
+
+ case SPECIFIER_INT16:
+ case SPECIFIER_SIGNED | SPECIFIER_INT16:
+ atomic_type = int16_type_kind;
+ break;
+
+ case SPECIFIER_INT32:
+ case SPECIFIER_SIGNED | SPECIFIER_INT32:
+ atomic_type = int32_type_kind;
+ break;
+
+ case SPECIFIER_INT64:
+ case SPECIFIER_SIGNED | SPECIFIER_INT64:
+ atomic_type = int64_type_kind;
+ break;
+
+ case SPECIFIER_INT128:
+ case SPECIFIER_SIGNED | SPECIFIER_INT128:
+ atomic_type = int128_type_kind;
+ break;
+
case SPECIFIER_FLOAT:
atomic_type = ATOMIC_TYPE_FLOAT;
break;
}
type->base.qualifiers = type_qualifiers;
+ /* FIXME: check type qualifiers here */
type_t *result = typehash_insert(type);
if(newtype && result != type) {
MATCH_TYPE_QUALIFIER(T_const, TYPE_QUALIFIER_CONST);
MATCH_TYPE_QUALIFIER(T_restrict, TYPE_QUALIFIER_RESTRICT);
MATCH_TYPE_QUALIFIER(T_volatile, TYPE_QUALIFIER_VOLATILE);
+ /* microsoft extended type modifiers */
+ MATCH_TYPE_QUALIFIER(T__w64, TYPE_QUALIFIER_W64);
+ MATCH_TYPE_QUALIFIER(T___ptr32, TYPE_QUALIFIER_PTR32);
+ MATCH_TYPE_QUALIFIER(T___ptr64, TYPE_QUALIFIER_PTR64);
+ MATCH_TYPE_QUALIFIER(T___uptr, TYPE_QUALIFIER_UPTR);
+ MATCH_TYPE_QUALIFIER(T___sptr, TYPE_QUALIFIER_SPTR);
default:
return type_qualifiers;
static construct_type_t *parse_array_declarator(void)
{
eat('[');
+ add_anchor_token(']');
parsed_array_t *array = obstack_alloc(&temp_obst, sizeof(array[0]));
memset(array, 0, sizeof(array[0]));
array->size = parse_assignment_expression();
}
+ rem_anchor_token(']');
expect(']');
return (construct_type_t*) array;
static construct_type_t *parse_function_declarator(declaration_t *declaration)
{
eat('(');
+ add_anchor_token(')');
type_t *type;
if(declaration != NULL) {
construct_function_type->construct_type.kind = CONSTRUCT_FUNCTION;
construct_function_type->function_type = type;
+ rem_anchor_token(')');
expect(')');
end_error:
break;
case '(':
next_token();
+ add_anchor_token(')');
inner_types = parse_inner_declarator(declaration, may_be_abstract);
+ rem_anchor_token(')');
expect(')');
break;
default:
for( ; iter != NULL; iter = iter->next) {
switch(iter->kind) {
case CONSTRUCT_INVALID:
- panic("invalid type construction found");
+ internal_errorf(HERE, "invalid type construction found");
case CONSTRUCT_FUNCTION: {
construct_function_type_t *construct_function_type
= (construct_function_type_t*) iter;
declaration_t *const declaration = allocate_declaration_zero();
declaration->declared_storage_class = specifiers->declared_storage_class;
declaration->modifiers = specifiers->decl_modifiers;
+ declaration->deprecated = specifiers->deprecated;
declaration->deprecated_string = specifiers->deprecated_string;
declaration->get_property_sym = specifiers->get_property_sym;
declaration->put_property_sym = specifiers->put_property_sym;
const declaration_specifiers_t *specifiers,
parsed_declaration_func finished_declaration)
{
+ add_anchor_token(';');
+ add_anchor_token('=');
+ add_anchor_token(',');
while(true) {
declaration_t *declaration = finished_declaration(ndeclaration);
expect(';');
end_error:
- ;
+ rem_anchor_token(';');
+ rem_anchor_token('=');
+ rem_anchor_token(',');
}
static declaration_t *finished_kr_declaration(declaration_t *declaration)
static void parse_compound_type_entries(declaration_t *compound_declaration)
{
eat('{');
+ add_anchor_token('}');
while(token.type != '}' && token.type != T_EOF) {
declaration_specifiers_t specifiers;
parse_compound_declarators(compound_declaration, &specifiers);
}
+ rem_anchor_token('}');
+
if(token.type == T_EOF) {
errorf(HERE, "EOF while parsing struct");
}
case T___builtin_va_end:
return make_function_1_type(type_void, type_valist);
default:
- panic("not implemented builtin symbol found");
+ internal_errorf(HERE, "not implemented builtin symbol found");
}
}
/* this declaration is used */
declaration->used = true;
+ /* check for deprecated functions */
+ if(declaration->deprecated != 0) {
+ const char *prefix = "";
+ if (is_type_function(declaration->type))
+ prefix = "function ";
+
+ if (declaration->deprecated_string != NULL) {
+ warningf(source_position,
+ "%s'%Y' was declared 'deprecated(\"%s\")'", prefix, declaration->symbol,
+ declaration->deprecated_string);
+ } else {
+ warningf(source_position,
+ "%s'%Y' was declared 'deprecated'", prefix, declaration->symbol);
+ }
+ }
+
return expression;
}
type_t *type = parse_typename();
+ /* matching add_anchor_token() is at call site */
+ rem_anchor_token(')');
expect(')');
if(token.type == '{') {
static expression_t *parse_brace_expression(void)
{
eat('(');
+ add_anchor_token(')');
switch(token.type) {
case '{':
}
expression_t *result = parse_expression();
+ rem_anchor_token(')');
expect(')');
return result;
static expression_t *parse_pretty_function_keyword(void)
{
eat(T___PRETTY_FUNCTION__);
- /* TODO */
if (current_function == NULL) {
errorf(HERE, "'__PRETTY_FUNCTION__' used outside of a function");
return expression;
}
+static expression_t *parse_funcsig_keyword(void)
+{
+ next_token();
+
+ if (current_function == NULL) {
+ errorf(HERE, "'__FUNCSIG__' used outside of a function");
+ }
+
+ expression_t *expression = allocate_expression_zero(EXPR_FUNCSIG);
+ expression->base.type = type_char_ptr;
+
+ return expression;
+}
+
+static expression_t *parse_funcdname_keyword(void)
+{
+ next_token();
+
+ if (current_function == NULL) {
+ errorf(HERE, "'__FUNCDNAME__' used outside of a function");
+ }
+
+ expression_t *expression = allocate_expression_zero(EXPR_FUNCDNAME);
+ expression->base.type = type_char_ptr;
+
+ return expression;
+}
+
static designator_t *parse_designator(void)
{
designator_t *result = allocate_ast_zero(sizeof(result[0]));
}
if(token.type == '[') {
next_token();
+ add_anchor_token(']');
designator_t *designator = allocate_ast_zero(sizeof(result[0]));
designator->source_position = HERE;
designator->array_index = parse_expression();
+ rem_anchor_token(']');
expect(']');
if(designator->array_index == NULL) {
return NULL;
expression->base.type = type_size_t;
expect('(');
+ add_anchor_token(',');
type_t *type = parse_typename();
+ rem_anchor_token(',');
expect(',');
+ add_anchor_token(')');
designator_t *designator = parse_designator();
+ rem_anchor_token(')');
expect(')');
expression->offsetofe.type = type;
expression_t *expression = allocate_expression_zero(EXPR_VA_START);
expect('(');
+ add_anchor_token(',');
expression->va_starte.ap = parse_assignment_expression();
+ rem_anchor_token(',');
expect(',');
expression_t *const expr = parse_assignment_expression();
if (expr->kind == EXPR_REFERENCE) {
expression_t *expression = allocate_expression_zero(EXPR_BUILTIN_CONSTANT_P);
expect('(');
+ add_anchor_token(')');
expression->builtin_constant.value = parse_assignment_expression();
+ rem_anchor_token(')');
expect(')');
expression->base.type = type_int;
expression_t *expression = allocate_expression_zero(EXPR_BUILTIN_PREFETCH);
expect('(');
+ add_anchor_token(')');
expression->builtin_prefetch.adr = parse_assignment_expression();
if (token.type == ',') {
next_token();
next_token();
expression->builtin_prefetch.locality = parse_assignment_expression();
}
+ rem_anchor_token(')');
expect(')');
expression->base.type = type_void;
expression = allocate_expression_zero(EXPR_BINARY_ISUNORDERED);
break;
default:
- panic("invalid compare builtin found");
+ internal_errorf(HERE, "invalid compare builtin found");
break;
}
expression->base.source_position = HERE;
* Parses a MS assume() expression.
*/
static expression_t *parse_assume(void) {
- eat(T_assume);
+ eat(T__assume);
expression_t *expression
= allocate_expression_zero(EXPR_UNARY_ASSUME);
expect('(');
+ add_anchor_token(')');
expression->unary.value = parse_assignment_expression();
+ rem_anchor_token(')');
expect(')');
expression->base.type = type_void;
case T___FUNCTION__:
case T___func__: return parse_function_keyword();
case T___PRETTY_FUNCTION__: return parse_pretty_function_keyword();
+ case T___FUNCSIG__: return parse_funcsig_keyword();
+ case T___FUNCDNAME__: return parse_funcdname_keyword();
case T___builtin_offsetof: return parse_offsetof();
case T___builtin_va_start: return parse_va_start();
case T___builtin_va_arg: return parse_va_arg();
case T___builtin_isunordered: return parse_compare_builtin();
case T___builtin_constant_p: return parse_builtin_constant();
case T___builtin_prefetch: return parse_builtin_prefetch();
- case T_assume: return parse_assume();
+ case T__assume: return parse_assume();
case '(': return parse_brace_expression();
}
(void) precedence;
eat('[');
+ add_anchor_token(']');
expression_t *inside = parse_expression();
array_access->array_ref = create_invalid_expression();
}
+ rem_anchor_token(']');
if(token.type != ']') {
parse_error_expected("Problem while parsing array access", ']', 0);
return expression;
if(token.type == '(' && is_declaration_specifier(look_ahead(1), true)) {
next_token();
+ add_anchor_token(')');
tp_expression->typeprop.type = parse_typename();
+ rem_anchor_token(')');
expect(')');
} else {
expression_t *expression = parse_sub_expression(precedence);
{
(void) precedence;
expression_t *result = allocate_expression_zero(EXPR_CALL);
+ result->base.source_position = expression->base.source_position;
call_expression_t *call = &result->call;
call->function = expression;
/* parse arguments */
eat('(');
+ add_anchor_token(')');
+ add_anchor_token(',');
if(token.type != ')') {
call_argument_t *last_argument = NULL;
next_token();
}
}
+ rem_anchor_token(',');
+ rem_anchor_token(')');
expect(')');
if(function_type != NULL) {
expression_t *expression)
{
eat('?');
+ add_anchor_token(':');
expression_t *result = allocate_expression_zero(EXPR_CONDITIONAL);
}
expression_t *true_expression = parse_expression();
+ rem_anchor_token(':');
expect(':');
expression_t *false_expression = parse_sub_expression(precedence);
result->base.type = type_int;
expect('(');
+ add_anchor_token(')');
expression_t *expression = parse_sub_expression(precedence);
+ rem_anchor_token(')');
expect(')');
result->classify_type.type_expression = expression;
case EXPR_FUNCTION: return false;
case EXPR_PRETTY_FUNCTION: return false;
+ case EXPR_FUNCSIG: return false;
+ case EXPR_FUNCDNAME: return false;
case EXPR_BUILTIN_SYMBOL: break; /* handled in EXPR_CALL */
case EXPR_BUILTIN_CONSTANT_P: return false;
case EXPR_BUILTIN_PREFETCH: return true;
case EXPR_BINARY_ISUNORDERED: return false;
}
- panic("unexpected expression");
+ internal_errorf(HERE, "unexpected expression");
}
static void semantic_comma(binary_expression_t *expression)
}
expect('(');
+ add_anchor_token(')');
+ add_anchor_token(':');
asm_statement->asm_text = parse_string_literals();
- if(token.type != ':')
+ if(token.type != ':') {
+ rem_anchor_token(':');
goto end_of_asm;
+ }
eat(':');
asm_statement->inputs = parse_asm_constraints();
- if(token.type != ':')
+ if(token.type != ':') {
+ rem_anchor_token(':');
goto end_of_asm;
+ }
eat(':');
asm_statement->outputs = parse_asm_constraints();
- if(token.type != ':')
+ if(token.type != ':') {
+ rem_anchor_token(':');
goto end_of_asm;
+ }
+ rem_anchor_token(':');
eat(':');
asm_statement->clobbers = parse_asm_clobbers();
end_of_asm:
+ rem_anchor_token(')');
expect(')');
expect(';');
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
if(token.type == '}') {
/* TODO only warn? */
- errorf(HERE, "label at end of compound statement");
+ if(false) {
+ warningf(HERE, "label at end of compound statement");
+ statement->label.statement = create_empty_statement();
+ } else {
+ errorf(HERE, "label at end of compound statement");
+ statement->label.statement = create_invalid_statement();
+ }
return statement;
} else {
if (token.type == ';') {
/* eat an empty statement here, to avoid the warning about an empty
* after a label. label:; is commonly used to have a label before
* a }. */
+ statement->label.statement = create_empty_statement();
next_token();
} else {
statement->label.statement = parse_statement();
statement->base.source_position = token.source_position;
expect('(');
+ add_anchor_token(')');
statement->ifs.condition = parse_expression();
+ rem_anchor_token(')');
expect(')');
add_anchor_token(T_else);
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
static statement_t *parse_loop_body(statement_t *const loop)
statement->base.source_position = token.source_position;
expect('(');
+ add_anchor_token(')');
statement->whiles.condition = parse_expression();
+ rem_anchor_token(')');
expect(')');
statement->whiles.body = parse_loop_body(statement);
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
expect(T_while);
expect('(');
+ add_anchor_token(')');
statement->do_while.condition = parse_expression();
+ rem_anchor_token(')');
expect(')');
expect(';');
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
set_scope(&statement->fors.scope);
expect('(');
+ add_anchor_token(')');
if(token.type != ';') {
if(is_declaration_specifier(&token, false)) {
"step of 'for'-statement has no effect");
}
}
+ rem_anchor_token(')');
expect(')');
statement->fors.body = parse_loop_body(statement);
return statement;
end_error:
+ rem_anchor_token(')');
assert(scope == &statement->fors.scope);
set_scope(last_scope);
environment_pop_to(top);
- return NULL;
+ return create_invalid_statement();
}
/**
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
return statement;
end_error:
- return NULL;
+ return create_invalid_statement();
}
/**
statement_t *statement = NULL;
/* declaration or statement */
+ add_anchor_token(';');
switch(token.type) {
case T_asm:
statement = parse_asm_statement();
break;
case ';':
- if (warning.empty_statement) {
+ if(warning.empty_statement) {
warningf(HERE, "statement is empty");
}
+ statement = create_empty_statement();
next_token();
- statement = NULL;
break;
case T_IDENTIFIER:
statement = parse_expression_statement();
break;
}
+ rem_anchor_token(';');
- assert(statement == NULL
- || statement->base.source_position.input_name != NULL);
+ assert(statement != NULL
+ && statement->base.source_position.input_name != NULL);
return statement;
}
statement->base.source_position = token.source_position;
eat('{');
+ add_anchor_token('}');
int top = environment_top();
scope_t *last_scope = scope;
while(token.type != '}' && token.type != T_EOF) {
statement_t *sub_statement = parse_statement();
- if(sub_statement == NULL) {
+ if(is_invalid_statement(sub_statement)) {
/* an error occurred. if we are at an anchor, return */
if(at_anchor())
goto end_error;
}
end_error:
+ rem_anchor_token('}');
assert(scope == &statement->compound.scope);
set_scope(last_scope);
environment_pop_to(top);
DEL_ARR_F(environment_stack);
DEL_ARR_F(label_stack);
- if(error_count > 0)
- return NULL;
-
return unit;
}
sym_thread = symbol_table_insert("thread");
sym_uuid = symbol_table_insert("uuid");
sym_deprecated = symbol_table_insert("deprecated");
+ sym_restrict = symbol_table_insert("restrict");
+ sym_noalias = symbol_table_insert("noalias");
}
memset(token_anchor_set, 0, sizeof(token_anchor_set));
projects / cparser / blobdiff