/* This file contains the definitions and documentation for the 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 Free Software Foundation, Inc. Written by Benjamin Chelf <chelf@codesourcery.com> 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 version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 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_STMT_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, SWITCH_BODY and SWITCH_TYPE, respectively. */ DEFTREECODE (SWITCH_STMT, "switch_stmt", 'e', 3) /* 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) /* A FILE_STMT marks the spot where a function changes files. It has no other semantics. FILE_STMT_FILENAME gives the name. */ DEFTREECODE (FILE_STMT, "file_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) /* 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", 'e', 1) /* A CLEANUP_STMT marks the point at which a declaration is fully constructed. If, after this point, the CLEANUP_DECL goes out of scope, the CLEANUP_EXPR must be run. */ DEFTREECODE (CLEANUP_STMT, "cleanup_stmt", 'e', 2) /* Local variables: mode:c End: */