X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=ast.h;h=9020f99d77df540e99d4ad8cc6527286c52be144;hb=66285deadc46366723208fad0adcf28c5dc4f36d;hp=9d8c9b78196f571632990ceea735ea456347aa3a;hpb=1b580cf22ca849edc62afa24304ff0432954877a;p=cparser

diff --git a/ast.h b/ast.h
index 9d8c9b7..9020f99 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;
@@ -88,17 +87,29 @@ typedef union  statement_t                           statement_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
@@ -106,7 +117,7 @@ void *allocate_ast(size_t size);
  *
  * @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 +125,22 @@ 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