One help entry for -ffp-precise is sufficient.

[cparser] / ast_t.h

diff --git a/ast_t.h b/ast_t.h
index cb8d4e9..e05e633 100644 (file)
--- a/ast_t.h
+++ b/ast_t.h
@@ -66,9 +66,15 @@ typedef enum expression_kind_t {
        EXPR_INVALID,
        EXPR_REFERENCE,
        EXPR_REFERENCE_ENUM_VALUE,
-       EXPR_CONST,
-       EXPR_CHARACTER_CONSTANT,
-       EXPR_WIDE_CHARACTER_CONSTANT,
+       EXPR_LITERAL_BOOLEAN,
+       EXPR_LITERAL_INTEGER,
+       EXPR_LITERAL_INTEGER_OCTAL,
+       EXPR_LITERAL_INTEGER_HEXADECIMAL,
+       EXPR_LITERAL_FLOATINGPOINT,
+       EXPR_LITERAL_FLOATINGPOINT_HEXADECIMAL,
+       EXPR_LITERAL_CHARACTER,
+       EXPR_LITERAL_WIDE_CHARACTER,
+       EXPR_LITERAL_MS_NOOP, /**< MS __noop extension */
        EXPR_STRING_LITERAL,
        EXPR_WIDE_STRING_LITERAL,
        EXPR_COMPOUND_LITERAL,
@@ -226,6 +232,17 @@ typedef enum funcname_kind_t {
        EXPR_UNARY_CASES_MANDATORY \
        EXPR_UNARY_CASES_OPTIONAL
 
+#define EXPR_LITERAL_CASES                        \
+       case EXPR_LITERAL_BOOLEAN:                    \
+       case EXPR_LITERAL_INTEGER:                    \
+       case EXPR_LITERAL_INTEGER_OCTAL:              \
+       case EXPR_LITERAL_INTEGER_HEXADECIMAL:        \
+       case EXPR_LITERAL_FLOATINGPOINT:              \
+       case EXPR_LITERAL_FLOATINGPOINT_HEXADECIMAL:  \
+       case EXPR_LITERAL_CHARACTER:                  \
+       case EXPR_LITERAL_WIDE_CHARACTER:             \
+       case EXPR_LITERAL_MS_NOOP:
+
 /**
  * The base class of every expression.
  */
@@ -240,18 +257,15 @@ struct expression_base_t {
 };
 
 /**
- * A constant.
+ * integer/float constants, character and string literals
  */
-struct const_expression_t {
+struct literal_expression_t {
        expression_base_t  base;
-       union {
-               long long      int_value;
-               long double    float_value;
-               string_t       character;
-               wide_string_t  wide_character;
-       } v;
-       bool               is_ms_noop;  /**< True, if this constant is the result
-                                            of an microsoft __noop operator */
+       string_t           value;
+       symbol_t          *suffix;
+
+       /* ast2firm data */
+       ir_tarval         *target_value;
 };
 
 struct string_literal_expression_t {
@@ -265,11 +279,6 @@ struct funcname_expression_t {
        string_t           value;     /**< the value once assigned. */
 };
 
-struct wide_string_literal_expression_t {
-       expression_base_t  base;
-       wide_string_t      value;
-};
-
 struct compound_literal_expression_t {
        expression_base_t  base;
        type_t            *type;
@@ -395,10 +404,9 @@ struct label_address_expression_t {
 union expression_t {
        expression_kind_t                     kind;
        expression_base_t                     base;
-       const_expression_t                    conste;
+       literal_expression_t                  literal;
+       string_literal_expression_t           string_literal;
        funcname_expression_t                 funcname;
-       string_literal_expression_t           string;
-       wide_string_literal_expression_t      wide_string;
        compound_literal_expression_t         compound_literal;
        builtin_constant_expression_t         builtin_constant;
        builtin_types_compatible_expression_t builtin_types_compatible;
@@ -449,7 +457,7 @@ struct initializer_string_t {
 
 struct initializer_wide_string_t {
        initializer_base_t  base;
-       wide_string_t       string;
+       string_t            string;
 };
 
 struct initializer_designator_t {
@@ -659,11 +667,6 @@ struct translation_unit_t {
        statement_t *global_asm;
 };
 
-static inline void *_allocate_ast(size_t size)
-{
-       return obstack_alloc(&ast_obstack, size);
-}
-
 static inline bool is_invalid_expression(expression_t *expression)
 {
        return expression->base.kind == EXPR_INVALID;
@@ -674,6 +677,18 @@ static inline bool is_invalid_statement(statement_t *statement)
        return statement->base.kind == STATEMENT_INVALID;
 }
 
-#define allocate_ast(size)                 _allocate_ast(size)
+/**
+ * Allocate an AST node with given size and
+ * initialize all fields with zero.
+ */
+static inline void *allocate_ast_zero(size_t size)
+{
+       return memset(obstack_alloc(&ast_obstack, size), 0, size);
+}
+
+/** If set, implicit casts are printed. */
+extern bool print_implicit_casts;
+/** If set parenthesis are printed to indicate operator precedence. */
+extern bool print_parenthesis;
 
 #endif