#include "entity.h"
typedef struct expression_base_t expression_base_t;
-typedef struct const_expression_t const_expression_t;
+typedef struct literal_expression_t literal_expression_t;
typedef struct string_literal_expression_t string_literal_expression_t;
typedef struct funcname_expression_t funcname_expression_t;
-typedef struct wide_string_literal_expression_t wide_string_literal_expression_t;
typedef struct compound_literal_expression_t compound_literal_expression_t;
typedef struct reference_expression_t reference_expression_t;
typedef struct cast_expression_t cast_expression_t;
typedef struct translation_unit_t translation_unit_t;
-void init_ast(void);
-void exit_ast(void);
+/**
+ * Initialize the AST construction.
+ */
+void init_ast(void);
+
+/**
+ * Free the AST.
+ */
+void exit_ast(void);
-void print_expression(const expression_t *expression);
-void print_initializer(const initializer_t *initializer);
-void print_ast(const translation_unit_t *unit);
-void print_indent(void);
-void print_declaration(const entity_t *entity);
-void print_entity(const entity_t *entity);
-void change_indent(int delta);
-void *allocate_ast(size_t size);
+void print_expression(const expression_t *expression);
+void print_initializer(const initializer_t *initializer);
+void print_ast(const translation_unit_t *unit);
+void print_indent(void);
+void print_declaration(const entity_t *entity);
+void print_entity(const entity_t *entity);
+void change_indent(int delta);
+
+typedef enum expression_classification_t {
+ EXPR_CLASS_VARIABLE,
+ EXPR_CLASS_ERROR,
+ EXPR_CLASS_CONSTANT
+} expression_classification_t;
/**
* Returns true if a given expression is a compile time
*
* @param expression the expression to check
*/
-bool is_constant_initializer(const initializer_t *initializer);
+expression_classification_t is_constant_initializer(const initializer_t *initializer);
/**
* Returns true if a given expression is a compile time
*
* @param expression the expression to check
*/
-bool is_constant_expression(const expression_t *expression);
+expression_classification_t is_constant_expression(const expression_t *expression);
/**
* An object with a fixed but at compiletime unknown adress which will be known
* at link/load time.
*/
-bool is_address_constant(const expression_t *expression);
+expression_classification_t is_address_constant(const expression_t *expression);
long fold_constant_to_int(const expression_t *expression);
bool fold_constant_to_bool(const expression_t *expression);
+/**
+ * the type of a literal is usually the biggest type that can hold the value.
+ * Since this is backend dependent the parses needs this call exposed.
+ * Works for EXPR_LITERAL_* expressions.
+ */
+void determine_literal_type(literal_expression_t *literal);
+
#endif