c-common.def revision 117395
1/* This file contains the definitions and documentation for the 2 additional tree codes used in the GNU C++ compiler (see tree.def 3 for the standard codes). 4 Copyright (C) 1987, 1988, 1990, 1993, 1997, 1998, 5 1999, 2000, 2001 Free Software Foundation, Inc. 6 Written by Benjamin Chelf <chelf@codesourcery.com> 7 8This file is part of GCC. 9 10GCC is free software; you can redistribute it and/or modify it under 11the terms of the GNU General Public License as published by the Free 12Software Foundation; either version 2, or (at your option) any later 13version. 14 15GCC is distributed in the hope that it will be useful, but WITHOUT ANY 16WARRANTY; without even the implied warranty of MERCHANTABILITY or 17FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 18for more details. 19 20You should have received a copy of the GNU General Public License 21along with GCC; see the file COPYING. If not, write to the Free 22Software Foundation, 59 Temple Place - Suite 330, Boston, MA 2302111-1307, USA. */ 24 25/* Tree nodes relevant to both C and C++. These were originally in 26cp-tree.def in the cp subdir. */ 27 28/* A node to remember a source position. */ 29DEFTREECODE (SRCLOC, "srcloc", 'x', 2) 30 31DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", '1', 1) 32DEFTREECODE (ARROW_EXPR, "arrow_expr", 'e', 1) 33DEFTREECODE (ALIGNOF_EXPR, "alignof_expr", '1', 1) 34 35/* Used to represent an expression statement. Use `EXPR_STMT_EXPR' to 36 obtain the expression. */ 37DEFTREECODE (EXPR_STMT, "expr_stmt", 'e', 1) 38 39/* Used to represent a brace-enclosed block. The operand is 40 COMPOUND_BODY. */ 41DEFTREECODE (COMPOUND_STMT, "compound_stmt", 'e', 1) 42 43/* Used to represent a local declaration. The operand is 44 DECL_STMT_DECL. */ 45DEFTREECODE (DECL_STMT, "decl_stmt", 'e', 1) 46 47/* Represents an 'if' statement. The operands are IF_COND, 48 THEN_CLAUSE, and ELSE_CLAUSE, respectively. */ 49DEFTREECODE (IF_STMT, "if_stmt", 'e', 3) 50 51/* Used to represent a `for' statement. The operands are 52 FOR_INIT_STMT, FOR_COND, FOR_EXPR, and FOR_BODY, respectively. */ 53DEFTREECODE (FOR_STMT, "for_stmt", 'e', 4) 54 55/* Used to represent a 'while' statement. The operands are WHILE_COND 56 and WHILE_BODY, respectively. */ 57DEFTREECODE (WHILE_STMT, "while_stmt", 'e', 2) 58 59/* Used to represent a 'do' statement. The operands are DO_BODY and 60 DO_COND, respectively. */ 61DEFTREECODE (DO_STMT, "do_stmt", 'e', 2) 62 63/* Used to represent a 'return' statement. The operand is 64 RETURN_STMT_EXPR. */ 65DEFTREECODE (RETURN_STMT, "return_stmt", 'e', 1) 66 67/* Used to represent a 'break' statement. */ 68DEFTREECODE (BREAK_STMT, "break_stmt", 'e', 0) 69 70/* Used to represent a 'continue' statement. */ 71DEFTREECODE (CONTINUE_STMT, "continue_stmt", 'e', 0) 72 73/* Used to represent a 'switch' statement. The operands are 74 SWITCH_COND, SWITCH_BODY and SWITCH_TYPE, respectively. */ 75DEFTREECODE (SWITCH_STMT, "switch_stmt", 'e', 3) 76 77/* Used to represent a 'goto' statement. The operand is GOTO_DESTINATION. */ 78DEFTREECODE (GOTO_STMT, "goto_stmt", 'e', 1) 79 80/* Used to represent a 'label' statement. The operand is a LABEL_DECL 81 and can be obtained through the macro LABEL_STMT_LABEL. */ 82DEFTREECODE (LABEL_STMT, "label_stmt", 'e', 1) 83 84/* Used to represent an inline assembly statement. */ 85DEFTREECODE (ASM_STMT, "asm_stmt", 'e', 5) 86 87/* A SCOPE_STMT marks the beginning or end of a scope. If 88 SCOPE_BEGIN_P holds, then this is the start of a scope. If 89 SCOPE_END_P holds, then this is the end of a scope. If 90 SCOPE_NULLIFIED_P holds then there turned out to be no variables in 91 this scope. The SCOPE_STMT_BLOCK is the BLOCK containing the 92 variables declared in this scope. */ 93DEFTREECODE (SCOPE_STMT, "scope_stmt", 'e', 1) 94 95/* A FILE_STMT marks the spot where a function changes files. It has no 96 other semantics. FILE_STMT_FILENAME gives the name. */ 97DEFTREECODE (FILE_STMT, "file_stmt", 'e', 1) 98 99/* Used to represent a CASE_LABEL. The operands are CASE_LOW and 100 CASE_HIGH, respectively. If CASE_LOW is NULL_TREE, the label is a 101 'default' label. If CASE_HIGH is NULL_TREE, the label is a normal case 102 label. The CASE_LABEL_DECL is a LABEL_DECL for this node. */ 103DEFTREECODE (CASE_LABEL, "case_label", 'e', 3) 104 105/* A STMT_EXPR represents a statement-expression. The 106 STMT_EXPR_STMT is the statement given by the expression. */ 107DEFTREECODE (STMT_EXPR, "stmt_expr", 'e', 1) 108 109/* A COMPOUND_LITERAL_EXPR represents a C99 compound literal. The 110 COMPOUND_LITERAL_EXPR_DECL_STMT is the a DECL_STMT containing the decl 111 for the anonymous object represented by the COMPOUND_LITERAL; 112 the DECL_INITIAL of that decl is the CONSTRUCTOR that initializes 113 the compound literal. */ 114DEFTREECODE (COMPOUND_LITERAL_EXPR, "compound_literal_expr", 'e', 1) 115 116/* A CLEANUP_STMT marks the point at which a declaration is fully 117 constructed. If, after this point, the CLEANUP_DECL goes out of 118 scope, the CLEANUP_EXPR must be run. */ 119DEFTREECODE (CLEANUP_STMT, "cleanup_stmt", 'e', 2) 120 121/* 122Local variables: 123mode:c 124End: 125*/ 126