X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ast.h;h=adb7e89f0fbcaf7b64bf45ac250b614c7767c9b4;hb=69bda5cf31457ea843bc4c6e3c13ed751a673b7f;hp=9d8c9b78196f571632990ceea735ea456347aa3a;hpb=1b580cf22ca849edc62afa24304ff0432954877a;p=cparser diff --git a/ast.h b/ast.h index 9d8c9b7..adb7e89 100644 --- a/ast.h +++ b/ast.h @@ -25,10 +25,9 @@ #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; @@ -100,13 +99,19 @@ void print_entity(const entity_t *entity); void change_indent(int delta); void *allocate_ast(size_t size); +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 * constant. §6.6 * * @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 @@ -114,15 +119,22 @@ bool is_constant_initializer(const initializer_t *initializer); * * @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