static void print_binary_expression(const binary_expression_t *binexpr)
{
+ if(binexpr->expression.type == EXPR_BINARY_BUILTIN_EXPECT) {
+ fputs("__builtin_expect(", out);
+ print_expression(binexpr->left);
+ fputs(", ", out);
+ print_expression(binexpr->right);
+ fputs(")", out);
+ return;
+ }
+
fprintf(out, "(");
print_expression(binexpr->left);
fprintf(out, " ");
- switch(binexpr->type) {
- case BINEXPR_INVALID: fputs("INVOP", out); break;
- case BINEXPR_COMMA: fputs(",", out); break;
- case BINEXPR_ASSIGN: fputs("=", out); break;
- case BINEXPR_ADD: fputs("+", out); break;
- case BINEXPR_SUB: fputs("-", out); break;
- case BINEXPR_MUL: fputs("*", out); break;
- case BINEXPR_MOD: fputs("%", out); break;
- case BINEXPR_DIV: fputs("/", out); break;
- case BINEXPR_BITWISE_OR: fputs("|", out); break;
- case BINEXPR_BITWISE_AND: fputs("&", out); break;
- case BINEXPR_BITWISE_XOR: fputs("^", out); break;
- case BINEXPR_LOGICAL_OR: fputs("||", out); break;
- case BINEXPR_LOGICAL_AND: fputs("&&", out); break;
- case BINEXPR_NOTEQUAL: fputs("!=", out); break;
- case BINEXPR_EQUAL: fputs("==", out); break;
- case BINEXPR_LESS: fputs("<", out); break;
- case BINEXPR_LESSEQUAL: fputs("<=", out); break;
- case BINEXPR_GREATER: fputs(">", out); break;
- case BINEXPR_GREATEREQUAL: fputs(">=", out); break;
- case BINEXPR_SHIFTLEFT: fputs("<<", out); break;
- case BINEXPR_SHIFTRIGHT: fputs(">>", out); break;
-
- case BINEXPR_ADD_ASSIGN: fputs("+=", out); break;
- case BINEXPR_SUB_ASSIGN: fputs("-=", out); break;
- case BINEXPR_MUL_ASSIGN: fputs("*=", out); break;
- case BINEXPR_MOD_ASSIGN: fputs("%=", out); break;
- case BINEXPR_DIV_ASSIGN: fputs("/=", out); break;
- case BINEXPR_BITWISE_OR_ASSIGN: fputs("|=", out); break;
- case BINEXPR_BITWISE_AND_ASSIGN: fputs("&=", out); break;
- case BINEXPR_BITWISE_XOR_ASSIGN: fputs("^=", out); break;
- case BINEXPR_SHIFTLEFT_ASSIGN: fputs("<<=", out); break;
- case BINEXPR_SHIFTRIGHT_ASSIGN: fputs(">>=", out); break;
+ switch(binexpr->expression.type) {
+ case EXPR_BINARY_COMMA: fputs(",", out); break;
+ case EXPR_BINARY_ASSIGN: fputs("=", out); break;
+ case EXPR_BINARY_ADD: fputs("+", out); break;
+ case EXPR_BINARY_SUB: fputs("-", out); break;
+ case EXPR_BINARY_MUL: fputs("*", out); break;
+ case EXPR_BINARY_MOD: fputs("%", out); break;
+ case EXPR_BINARY_DIV: fputs("/", out); break;
+ case EXPR_BINARY_BITWISE_OR: fputs("|", out); break;
+ case EXPR_BINARY_BITWISE_AND: fputs("&", out); break;
+ case EXPR_BINARY_BITWISE_XOR: fputs("^", out); break;
+ case EXPR_BINARY_LOGICAL_OR: fputs("||", out); break;
+ case EXPR_BINARY_LOGICAL_AND: fputs("&&", out); break;
+ case EXPR_BINARY_NOTEQUAL: fputs("!=", out); break;
+ case EXPR_BINARY_EQUAL: fputs("==", out); break;
+ case EXPR_BINARY_LESS: fputs("<", out); break;
+ case EXPR_BINARY_LESSEQUAL: fputs("<=", out); break;
+ case EXPR_BINARY_GREATER: fputs(">", out); break;
+ case EXPR_BINARY_GREATEREQUAL: fputs(">=", out); break;
+ case EXPR_BINARY_SHIFTLEFT: fputs("<<", out); break;
+ case EXPR_BINARY_SHIFTRIGHT: fputs(">>", out); break;
+
+ case EXPR_BINARY_ADD_ASSIGN: fputs("+=", out); break;
+ case EXPR_BINARY_SUB_ASSIGN: fputs("-=", out); break;
+ case EXPR_BINARY_MUL_ASSIGN: fputs("*=", out); break;
+ case EXPR_BINARY_MOD_ASSIGN: fputs("%=", out); break;
+ case EXPR_BINARY_DIV_ASSIGN: fputs("/=", out); break;
+ case EXPR_BINARY_BITWISE_OR_ASSIGN: fputs("|=", out); break;
+ case EXPR_BINARY_BITWISE_AND_ASSIGN: fputs("&=", out); break;
+ case EXPR_BINARY_BITWISE_XOR_ASSIGN: fputs("^=", out); break;
+ case EXPR_BINARY_SHIFTLEFT_ASSIGN: fputs("<<=", out); break;
+ case EXPR_BINARY_SHIFTRIGHT_ASSIGN: fputs(">>=", out); break;
+ default: panic("invalid binexpression found");
}
fprintf(out, " ");
print_expression(binexpr->right);
static void print_unary_expression(const unary_expression_t *unexpr)
{
- switch(unexpr->type) {
- case UNEXPR_NEGATE: fputs("-", out); break;
- case UNEXPR_PLUS: fputs("+", out); break;
- case UNEXPR_NOT: fputs("!", out); break;
- case UNEXPR_BITWISE_NEGATE: fputs("~", out); break;
- case UNEXPR_PREFIX_INCREMENT: fputs("++", out); break;
- case UNEXPR_PREFIX_DECREMENT: fputs("--", out); break;
- case UNEXPR_DEREFERENCE: fputs("*", out); break;
- case UNEXPR_TAKE_ADDRESS: fputs("&", out); break;
-
- case UNEXPR_POSTFIX_INCREMENT:
+ switch(unexpr->expression.type) {
+ case EXPR_UNARY_NEGATE: fputs("-", out); break;
+ case EXPR_UNARY_PLUS: fputs("+", out); break;
+ case EXPR_UNARY_NOT: fputs("!", out); break;
+ case EXPR_UNARY_BITWISE_NEGATE: fputs("~", out); break;
+ case EXPR_UNARY_PREFIX_INCREMENT: fputs("++", out); break;
+ case EXPR_UNARY_PREFIX_DECREMENT: fputs("--", out); break;
+ case EXPR_UNARY_DEREFERENCE: fputs("*", out); break;
+ case EXPR_UNARY_TAKE_ADDRESS: fputs("&", out); break;
+
+ case EXPR_UNARY_POSTFIX_INCREMENT:
fputs("(", out);
print_expression(unexpr->value);
fputs(")", out);
fputs("++", out);
return;
- case UNEXPR_POSTFIX_DECREMENT:
+ case EXPR_UNARY_POSTFIX_DECREMENT:
fputs("(", out);
print_expression(unexpr->value);
fputs(")", out);
fputs("--", out);
return;
- case UNEXPR_CAST:
+ case EXPR_UNARY_CAST:
fputs("(", out);
print_type(unexpr->expression.datatype);
fputs(")", out);
break;
- case UNEXPR_CAST_IMPLICIT:
+ case EXPR_UNARY_CAST_IMPLICIT:
print_expression(unexpr->value);
return;
- case UNEXPR_INVALID:
- fprintf(out, "unop%d", (int) unexpr->type);
- break;
+ default:
+ panic("invalid unary expression found");
}
fputs("(", out);
print_expression(unexpr->value);
case EXPR_CALL:
print_call_expression(&expression->call);
break;
- case EXPR_BINARY:
+ EXPR_BINARY_CASES
print_binary_expression(&expression->binary);
break;
case EXPR_REFERENCE:
case EXPR_ARRAY_ACCESS:
print_array_expression(&expression->array_access);
break;
- case EXPR_UNARY:
+ EXPR_UNARY_CASES
print_unary_expression(&expression->unary);
break;
case EXPR_SIZEOF:
{
print_storage_class(declaration->storage_class);
if(declaration->is_inline) {
- fputs("inline ", out);
+ if (declaration->decl_modifiers & DM_FORCEINLINE)
+ fputs("__forceinline ", out);
+ else
+ fputs("inline ", out);
}
print_type_ext(declaration->type, declaration->symbol,
&declaration->context);
}
}
+bool is_constant_expression(const expression_t *expression)
+{
+ switch(expression->type) {
+
+ case EXPR_CONST:
+ case EXPR_STRING_LITERAL:
+ case EXPR_WIDE_STRING_LITERAL:
+ case EXPR_SIZEOF:
+ case EXPR_CLASSIFY_TYPE:
+ case EXPR_FUNCTION:
+ case EXPR_PRETTY_FUNCTION:
+ case EXPR_OFFSETOF:
+ return true;
+
+ case EXPR_BUILTIN_SYMBOL:
+ case EXPR_CALL:
+ case EXPR_SELECT:
+ case EXPR_VA_START:
+ case EXPR_VA_ARG:
+ case EXPR_STATEMENT:
+ case EXPR_UNARY_POSTFIX_INCREMENT:
+ case EXPR_UNARY_POSTFIX_DECREMENT:
+ case EXPR_UNARY_PREFIX_INCREMENT:
+ case EXPR_UNARY_PREFIX_DECREMENT:
+ case EXPR_BINARY_ASSIGN:
+ case EXPR_BINARY_MUL_ASSIGN:
+ case EXPR_BINARY_DIV_ASSIGN:
+ case EXPR_BINARY_MOD_ASSIGN:
+ case EXPR_BINARY_ADD_ASSIGN:
+ case EXPR_BINARY_SUB_ASSIGN:
+ case EXPR_BINARY_SHIFTLEFT_ASSIGN:
+ case EXPR_BINARY_SHIFTRIGHT_ASSIGN:
+ case EXPR_BINARY_BITWISE_AND_ASSIGN:
+ case EXPR_BINARY_BITWISE_XOR_ASSIGN:
+ case EXPR_BINARY_BITWISE_OR_ASSIGN:
+ case EXPR_BINARY_COMMA:
+ return false;
+
+ case EXPR_UNARY_NEGATE:
+ case EXPR_UNARY_PLUS:
+ case EXPR_UNARY_BITWISE_NEGATE:
+ case EXPR_UNARY_NOT:
+ case EXPR_UNARY_DEREFERENCE:
+ case EXPR_UNARY_TAKE_ADDRESS:
+ case EXPR_UNARY_CAST:
+ case EXPR_UNARY_CAST_IMPLICIT:
+ return is_constant_expression(expression->unary.value);
+
+ case EXPR_BINARY_ADD:
+ case EXPR_BINARY_SUB:
+ case EXPR_BINARY_MUL:
+ case EXPR_BINARY_DIV:
+ case EXPR_BINARY_MOD:
+ case EXPR_BINARY_EQUAL:
+ case EXPR_BINARY_NOTEQUAL:
+ case EXPR_BINARY_LESS:
+ case EXPR_BINARY_LESSEQUAL:
+ case EXPR_BINARY_GREATER:
+ case EXPR_BINARY_GREATEREQUAL:
+ case EXPR_BINARY_BITWISE_AND:
+ case EXPR_BINARY_BITWISE_OR:
+ case EXPR_BINARY_BITWISE_XOR:
+ case EXPR_BINARY_LOGICAL_AND:
+ case EXPR_BINARY_LOGICAL_OR:
+ case EXPR_BINARY_SHIFTLEFT:
+ case EXPR_BINARY_SHIFTRIGHT:
+ case EXPR_BINARY_BUILTIN_EXPECT:
+ case EXPR_BINARY_ISGREATER:
+ case EXPR_BINARY_ISGREATEREQUAL:
+ case EXPR_BINARY_ISLESS:
+ case EXPR_BINARY_ISLESSEQUAL:
+ case EXPR_BINARY_ISLESSGREATER:
+ case EXPR_BINARY_ISUNORDERED:
+ return is_constant_expression(expression->binary.left)
+ && is_constant_expression(expression->binary.right);
+
+ case EXPR_CONDITIONAL:
+ /* TODO: not correct, we only have to test expressions which are
+ * evaluated, which means either the true or false part might be not
+ * constant */
+ return is_constant_expression(expression->conditional.condition)
+ && is_constant_expression(expression->conditional.true_expression)
+ && is_constant_expression(expression->conditional.false_expression);
+
+ case EXPR_ARRAY_ACCESS:
+ return is_constant_expression(expression->array_access.array_ref)
+ && is_constant_expression(expression->array_access.index);
+
+ case EXPR_REFERENCE: {
+ declaration_t *declaration = expression->reference.declaration;
+ if(declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY)
+ return true;
+
+ return false;
+ }
+
+ case EXPR_UNKNOWN:
+ case EXPR_INVALID:
+ break;
+ }
+ panic("invalid expression found (is constant expression)");
+}
+
+
void init_ast(void)
{
obstack_init(&ast_obstack);
projects / cparser / blobdiff