X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fc-common.def;h=1c593633e12051636fa69eac1d94e357067d8c33;hb=dfdfba40c33e30656bb1e396990524750c505366;hp=4f34a70ac17d51c818968fed3039f3f5f233ccc1;hpb=57f08f11e9ec14a0a6e27b79c45116cb040b82de;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/c-common.def b/gcc/c-common.def index 4f34a70ac17..1c593633e12 100644 --- a/gcc/c-common.def +++ b/gcc/c-common.def @@ -1,15 +1,15 @@ /* This file contains the definitions and documentation for the - additional tree codes used in the GNU C++ compiler (see tree.def + additional tree codes used in the GNU C compiler (see tree.def for the standard codes). Copyright (C) 1987, 1988, 1990, 1993, 1997, 1998, - 1999, 2000, 2001, 2004, 2005 Free Software Foundation, Inc. + 1999, 2000, 2001, 2004, 2005, 2007, 2009 Free Software Foundation, Inc. Written by Benjamin Chelf This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later +Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY @@ -18,23 +18,33 @@ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with GCC; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. */ - -/* Tree nodes relevant to both C and C++. These were originally in -cp-tree.def in the cp subdir. */ - -/* Used to represent an expression statement. Use `EXPR_STMT_EXPR' to - obtain the expression. */ -DEFTREECODE (EXPR_STMT, "expr_stmt", tcc_expression, 1) - -/* A COMPOUND_LITERAL_EXPR represents a C99 compound literal. The - COMPOUND_LITERAL_EXPR_DECL_STMT is the a DECL_STMT containing the decl - for the anonymous object represented by the COMPOUND_LITERAL; - the DECL_INITIAL of that decl is the CONSTRUCTOR that initializes - the compound literal. */ -DEFTREECODE (COMPOUND_LITERAL_EXPR, "compound_literal_expr", tcc_expression, 1) +along with GCC; see the file COPYING3. If not see +. */ + +/* Tree nodes used in the C frontend. These are also shared with the + C++ and Objective C frontends. */ + +/* A C_MAYBE_CONST_EXPR, currently only used for C and Objective C, + tracks information about constancy of an expression and VLA type + sizes or VM expressions from typeof that need to be evaluated + before the main expression. It is used during parsing and removed + in c_fully_fold. C_MAYBE_CONST_EXPR_PRE is the expression to + evaluate first, if not NULL; C_MAYBE_CONST_EXPR_EXPR is the main + expression. If C_MAYBE_CONST_EXPR_INT_OPERANDS is set then the + expression may be used in an unevaluated part of an integer + constant expression, but not in an evaluated part. If + C_MAYBE_CONST_EXPR_NON_CONST is set then the expression contains + something that cannot occur in an evaluated part of a constant + expression (or outside of sizeof in C90 mode); otherwise it does + not. */ +DEFTREECODE (C_MAYBE_CONST_EXPR, "c_maybe_const_expr", tcc_expression, 2) + +/* An EXCESS_PRECISION_EXPR, currently only used for C and Objective + C, represents an expression evaluated in greater range or precision + than its type. The type of the EXCESS_PRECISION_EXPR is the + semantic type while the operand represents what is actually being + evaluated. */ +DEFTREECODE (EXCESS_PRECISION_EXPR, "excess_precision_expr", tcc_expression, 1) /* Local variables: