static type_t *get_unexpr_dereference_type(const expression_t *expression)
{
- (void) expression;
- /* TODO... */
+ type_t *expression_type = expression->datatype;
+
+ if(expression_type->type == TYPE_POINTER) {
+ pointer_type_t *pointer_type = (pointer_type_t*) expression_type;
+ return pointer_type->points_to;
+ }
+ panic("deref TODO...");
return NULL;
}
CREATE_UNARY_POSTFIX_EXPRESSION_PARSER(T_MINUSMINUS, UNEXPR_POSTFIX_DECREMENT,
get_unexpr_arithmetic_type)
-#define CREATE_BINEXPR_PARSER(token_type, binexpression_type) \
-static \
-expression_t *parse_##binexpression_type(unsigned precedence, \
- expression_t *left) \
-{ \
- eat(token_type); \
- \
- expression_t *right = parse_sub_expression(precedence); \
- \
- binary_expression_t *binexpr \
- = allocate_ast_zero(sizeof(binexpr[0])); \
- binexpr->expression.type = EXPR_BINARY; \
- binexpr->type = binexpression_type; \
- binexpr->left = left; \
- binexpr->right = right; \
- \
- return (expression_t*) binexpr; \
-}
-
-CREATE_BINEXPR_PARSER(',', BINEXPR_COMMA)
-CREATE_BINEXPR_PARSER('*', BINEXPR_MUL)
-CREATE_BINEXPR_PARSER('/', BINEXPR_DIV)
-CREATE_BINEXPR_PARSER('%', BINEXPR_MOD)
-CREATE_BINEXPR_PARSER('+', BINEXPR_ADD)
-CREATE_BINEXPR_PARSER('-', BINEXPR_SUB)
-CREATE_BINEXPR_PARSER('<', BINEXPR_LESS)
-CREATE_BINEXPR_PARSER('>', BINEXPR_GREATER)
-CREATE_BINEXPR_PARSER('=', BINEXPR_ASSIGN)
-CREATE_BINEXPR_PARSER(T_EQUALEQUAL, BINEXPR_EQUAL)
-CREATE_BINEXPR_PARSER(T_EXCLAMATIONMARKEQUAL, BINEXPR_NOTEQUAL)
-CREATE_BINEXPR_PARSER(T_LESSEQUAL, BINEXPR_LESSEQUAL)
-CREATE_BINEXPR_PARSER(T_GREATEREQUAL, BINEXPR_GREATEREQUAL)
-CREATE_BINEXPR_PARSER('&', BINEXPR_BITWISE_AND)
-CREATE_BINEXPR_PARSER('|', BINEXPR_BITWISE_OR)
-CREATE_BINEXPR_PARSER('^', BINEXPR_BITWISE_XOR)
-CREATE_BINEXPR_PARSER(T_ANDAND, BINEXPR_LOGICAL_AND)
-CREATE_BINEXPR_PARSER(T_PIPEPIPE, BINEXPR_LOGICAL_OR)
-CREATE_BINEXPR_PARSER(T_LESSLESS, BINEXPR_SHIFTLEFT)
-CREATE_BINEXPR_PARSER(T_GREATERGREATER, BINEXPR_SHIFTRIGHT)
-CREATE_BINEXPR_PARSER(T_PLUSEQUAL, BINEXPR_ADD_ASSIGN)
-CREATE_BINEXPR_PARSER(T_MINUSEQUAL, BINEXPR_SUB_ASSIGN)
-CREATE_BINEXPR_PARSER(T_ASTERISKEQUAL, BINEXPR_MUL_ASSIGN)
-CREATE_BINEXPR_PARSER(T_SLASHEQUAL, BINEXPR_DIV_ASSIGN)
-CREATE_BINEXPR_PARSER(T_PERCENTEQUAL, BINEXPR_MOD_ASSIGN)
-CREATE_BINEXPR_PARSER(T_LESSLESSEQUAL, BINEXPR_SHIFTLEFT_ASSIGN)
-CREATE_BINEXPR_PARSER(T_GREATERGREATEREQUAL, BINEXPR_SHIFTRIGHT_ASSIGN)
-CREATE_BINEXPR_PARSER(T_ANDEQUAL, BINEXPR_BITWISE_AND_ASSIGN)
-CREATE_BINEXPR_PARSER(T_PIPEEQUAL, BINEXPR_BITWISE_OR_ASSIGN)
-CREATE_BINEXPR_PARSER(T_CARETEQUAL, BINEXPR_BITWISE_XOR_ASSIGN)
+static type_t *get_binexpr_int_type(const expression_t *left,
+ const expression_t *right)
+{
+ (void) left;
+ (void) right;
+ return type_int;
+}
+
+static type_t *get_binexpr_arithmetic_type(const expression_t *left,
+ const expression_t *right)
+{
+ (void) right;
+ return left->datatype;
+}
+
+static type_t *get_binexpr_arithmetic_assign_type(const expression_t *left,
+ const expression_t *right)
+{
+ (void) right;
+ /* TODO */
+ return left->datatype;
+}
+
+static type_t *get_binexpr_right_type(const expression_t *left,
+ const expression_t *right)
+{
+ (void) left;
+ return right->datatype;
+}
+
+#define CREATE_BINEXPR_PARSER(token_type, binexpression_type, tfunc) \
+static expression_t *parse_##binexpression_type(unsigned precedence, \
+ expression_t *left) \
+{ \
+ eat(token_type); \
+ \
+ expression_t *right = parse_sub_expression(precedence); \
+ \
+ binary_expression_t *binexpr \
+ = allocate_ast_zero(sizeof(binexpr[0])); \
+ binexpr->expression.type = EXPR_BINARY; \
+ binexpr->type = binexpression_type; \
+ binexpr->left = left; \
+ binexpr->right = right; \
+ binexpr->expression.datatype = tfunc(left, right); \
+ \
+ return (expression_t*) binexpr; \
+}
+
+CREATE_BINEXPR_PARSER(',', BINEXPR_COMMA, get_binexpr_right_type)
+CREATE_BINEXPR_PARSER('*', BINEXPR_MUL, get_binexpr_arithmetic_type)
+CREATE_BINEXPR_PARSER('/', BINEXPR_DIV, get_binexpr_arithmetic_type)
+CREATE_BINEXPR_PARSER('%', BINEXPR_MOD, get_binexpr_arithmetic_type)
+CREATE_BINEXPR_PARSER('+', BINEXPR_ADD, get_binexpr_arithmetic_type)
+CREATE_BINEXPR_PARSER('-', BINEXPR_SUB, get_binexpr_arithmetic_type)
+CREATE_BINEXPR_PARSER('<', BINEXPR_LESS, get_binexpr_int_type)
+CREATE_BINEXPR_PARSER('>', BINEXPR_GREATER, get_binexpr_int_type)
+CREATE_BINEXPR_PARSER('=', BINEXPR_ASSIGN, get_binexpr_right_type)
+CREATE_BINEXPR_PARSER(T_EQUALEQUAL, BINEXPR_EQUAL,
+ get_binexpr_int_type)
+CREATE_BINEXPR_PARSER(T_EXCLAMATIONMARKEQUAL, BINEXPR_NOTEQUAL,
+ get_binexpr_int_type)
+CREATE_BINEXPR_PARSER(T_LESSEQUAL, BINEXPR_LESSEQUAL,
+ get_binexpr_int_type)
+CREATE_BINEXPR_PARSER(T_GREATEREQUAL, BINEXPR_GREATEREQUAL,
+ get_binexpr_int_type)
+CREATE_BINEXPR_PARSER('&', BINEXPR_BITWISE_AND, get_binexpr_arithmetic_type)
+CREATE_BINEXPR_PARSER('|', BINEXPR_BITWISE_OR, get_binexpr_arithmetic_type)
+CREATE_BINEXPR_PARSER('^', BINEXPR_BITWISE_XOR, get_binexpr_arithmetic_type)
+CREATE_BINEXPR_PARSER(T_ANDAND, BINEXPR_LOGICAL_AND,
+ get_binexpr_int_type)
+CREATE_BINEXPR_PARSER(T_PIPEPIPE, BINEXPR_LOGICAL_OR,
+ get_binexpr_int_type)
+CREATE_BINEXPR_PARSER(T_LESSLESS, BINEXPR_SHIFTLEFT,
+ get_binexpr_arithmetic_type)
+CREATE_BINEXPR_PARSER(T_GREATERGREATER, BINEXPR_SHIFTRIGHT,
+ get_binexpr_arithmetic_type)
+CREATE_BINEXPR_PARSER(T_PLUSEQUAL, BINEXPR_ADD_ASSIGN,
+ get_binexpr_arithmetic_assign_type)
+CREATE_BINEXPR_PARSER(T_MINUSEQUAL, BINEXPR_SUB_ASSIGN,
+ get_binexpr_arithmetic_assign_type)
+CREATE_BINEXPR_PARSER(T_ASTERISKEQUAL, BINEXPR_MUL_ASSIGN,
+ get_binexpr_arithmetic_assign_type)
+CREATE_BINEXPR_PARSER(T_SLASHEQUAL, BINEXPR_DIV_ASSIGN,
+ get_binexpr_arithmetic_assign_type)
+CREATE_BINEXPR_PARSER(T_PERCENTEQUAL, BINEXPR_MOD_ASSIGN,
+ get_binexpr_arithmetic_assign_type)
+CREATE_BINEXPR_PARSER(T_LESSLESSEQUAL, BINEXPR_SHIFTLEFT_ASSIGN,
+ get_binexpr_arithmetic_assign_type)
+CREATE_BINEXPR_PARSER(T_GREATERGREATEREQUAL, BINEXPR_SHIFTRIGHT_ASSIGN,
+ get_binexpr_arithmetic_assign_type)
+CREATE_BINEXPR_PARSER(T_ANDEQUAL, BINEXPR_BITWISE_AND_ASSIGN,
+ get_binexpr_arithmetic_assign_type)
+CREATE_BINEXPR_PARSER(T_PIPEEQUAL, BINEXPR_BITWISE_OR_ASSIGN,
+ get_binexpr_arithmetic_assign_type)
+CREATE_BINEXPR_PARSER(T_CARETEQUAL, BINEXPR_BITWISE_XOR_ASSIGN,
+ get_binexpr_arithmetic_assign_type)
static expression_t *parse_sub_expression(unsigned precedence)
{
projects / cparser / blobdiff