X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fc-common.def;h=1c593633e12051636fa69eac1d94e357067d8c33;hb=e2b35abeb5c6a6e396c0134b837f5f9549b1e295;hp=6ae0466f236e2e77d95ad265e01b1dc5430b311f;hpb=734c98be2fd930f3009992deff335dd029eea132;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/c-common.def b/gcc/c-common.def index 6ae0466f236..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 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 @@ -18,86 +18,36 @@ 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. */ - -/* A node to remember a source position. */ -DEFTREECODE (SRCLOC, "srcloc", 'x', 2) - -DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", '1', 1) -DEFTREECODE (ARROW_EXPR, "arrow_expr", 'e', 1) -DEFTREECODE (ALIGNOF_EXPR, "alignof_expr", '1', 1) - -/* Used to represent an expression statement. Use `EXPR_STMT_EXPR' to - obtain the expression. */ -DEFTREECODE (EXPR_STMT, "expr_stmt", 'e', 1) - -/* Used to represent a brace-enclosed block. The operand is - COMPOUND_BODY. */ -DEFTREECODE (COMPOUND_STMT, "compound_stmt", 'e', 1) - -/* Used to represent a local declaration. The operand is - DECL_STMT_DECL. */ -DEFTREECODE (DECL_STMT, "decl_stmt", 'e', 1) - -/* Represents an 'if' statement. The operands are IF_COND, - THEN_CLAUSE, and ELSE_CLAUSE, respectively. */ -DEFTREECODE (IF_STMT, "if_stmt", 'e', 3) - -/* Used to represent a `for' statement. The operands are - FOR_INIT_STMT, FOR_COND, FOR_EXPR, and FOR_BODY, respectively. */ -DEFTREECODE (FOR_STMT, "for_stmt", 'e', 4) - -/* Used to represent a 'while' statement. The operands are WHILE_COND - and WHILE_BODY, respectively. */ -DEFTREECODE (WHILE_STMT, "while_stmt", 'e', 2) - -/* Used to represent a 'do' statement. The operands are DO_BODY and - DO_COND, respectively. */ -DEFTREECODE (DO_STMT, "do_stmt", 'e', 2) - -/* Used to represent a 'return' statement. The operand is - RETURN_EXPR. */ -DEFTREECODE (RETURN_STMT, "return_stmt", 'e', 1) - -/* Used to represent a 'break' statement. */ -DEFTREECODE (BREAK_STMT, "break_stmt", 'e', 0) - -/* Used to represent a 'continue' statement. */ -DEFTREECODE (CONTINUE_STMT, "continue_stmt", 'e', 0) - -/* Used to represent a 'switch' statement. The operands are - SWITCH_COND and SWITCH_BODY, respectively. */ -DEFTREECODE (SWITCH_STMT, "switch_stmt", 'e', 2) - -/* Used to represent a 'goto' statement. The operand is GOTO_DESTINATION. */ -DEFTREECODE (GOTO_STMT, "goto_stmt", 'e', 1) - -/* Used to represent a 'label' statement. The operand is a LABEL_DECL - and can be obtained through the macro LABEL_STMT_LABEL. */ -DEFTREECODE (LABEL_STMT, "label_stmt", 'e', 1) - -/* Used to represent an inline assembly statement. */ -DEFTREECODE (ASM_STMT, "asm_stmt", 'e', 5) - -/* A SCOPE_STMT marks the beginning or end of a scope. If - SCOPE_BEGIN_P holds, then this is the start of a scope. If - SCOPE_END_P holds, then this is the end of a scope. If - SCOPE_NULLIFIED_P holds then there turned out to be no variables in - this scope. The SCOPE_STMT_BLOCK is the BLOCK containing the - variables declared in this scope. */ -DEFTREECODE (SCOPE_STMT, "scope_stmt", 'e', 1) - -/* Used to represent a CASE_LABEL. The operands are CASE_LOW and - CASE_HIGH, respectively. If CASE_LOW is NULL_TREE, the label is a - 'default' label. If CASE_HIGH is NULL_TREE, the label is a normal case - label. The CASE_LABEL_DECL is a LABEL_DECL for this node. */ -DEFTREECODE (CASE_LABEL, "case_label", 'e', 3) - -/* A STMT_EXPR represents a statement-expression. The - STMT_EXPR_STMT is the statement given by the expression. */ -DEFTREECODE (STMT_EXPR, "stmt_expr", 'e', 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: +mode:c +End: +*/