X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ast.h;h=adb7e89f0fbcaf7b64bf45ac250b614c7767c9b4;hb=103d024a3572a6607bd7d18a129b93d2dbfeff82;hp=453fc4dd9af323a0c5d4c5d216f0dde550316ef3;hpb=2aed85a3a6cb49c725ee0100ffb4df00acdf2334;p=cparser

diff --git a/ast.h b/ast.h
index 453fc4d..adb7e89 100644
--- a/ast.h
+++ b/ast.h
@@ -1,6 +1,6 @@
 /*
  * This file is part of cparser.
- * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ * Copyright (C) 2007-2009 Matthias Braun <matze@braunis.de>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -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;
@@ -91,7 +90,6 @@ typedef struct translation_unit_t                    translation_unit_t;
 void  init_ast(void);
 void  exit_ast(void);
 
-void  ast_set_output(FILE *out);
 void  print_expression(const expression_t *expression);
 void  print_initializer(const initializer_t *initializer);
 void  print_ast(const translation_unit_t *unit);
@@ -101,13 +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
@@ -115,14 +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);
 
-long fold_constant(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