| /**************************************************************************** |
| * * |
| * GNAT COMPILER COMPONENTS * |
| * * |
| * GNAT-SPECIFIC GCC TREE CODES * |
| * * |
| * Specification * |
| * * |
| * Copyright (C) 1992-2009, Free Software Foundation, Inc. * |
| * * |
| * GNAT is free software; you can redistribute it and/or modify it under * |
| * terms of the GNU General Public License as published by the Free Soft- * |
| * ware Foundation; either version 3, or (at your option) any later ver- * |
| * sion. GNAT is distributed in the hope that it will be useful, but WITH- * |
| * OUT 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 COPYING3. If not see * |
| * <http://www.gnu.org/licenses/>. * |
| * * |
| * GNAT was originally developed by the GNAT team at New York University. * |
| * Extensive contributions were provided by Ada Core Technologies Inc. * |
| * * |
| ****************************************************************************/ |
| |
| /* A type that is an unconstrained array. This node is never passed to GCC. |
| TREE_TYPE is the type of the fat pointer and TYPE_OBJECT_RECORD_TYPE is |
| the type of a record containing the template and data. */ |
| DEFTREECODE (UNCONSTRAINED_ARRAY_TYPE, "unconstrained_array_type", tcc_type, 0) |
| |
| /* A reference to an unconstrained array. This node only exists as an |
| intermediate node during the translation of a GNAT tree to a GCC tree; |
| it is never passed to GCC. The only field used is operand 0, which |
| is the fat pointer object. */ |
| DEFTREECODE (UNCONSTRAINED_ARRAY_REF, "unconstrained_array_ref", |
| tcc_reference, 1) |
| |
| /* An expression that returns an RTL suitable for its type. Operand 0 |
| is an expression to be evaluated for side effects only. */ |
| DEFTREECODE (NULL_EXPR, "null_expr", tcc_expression, 1) |
| |
| /* Same as PLUS_EXPR, except that no modulo reduction is applied. |
| This is used for loops and never shows up in the tree. */ |
| DEFTREECODE (PLUS_NOMOD_EXPR, "plus_nomod_expr", tcc_binary, 2) |
| |
| /* Same as MINUS_EXPR, except that no modulo reduction is applied. |
| This is used for loops and never shows up in the tree. */ |
| DEFTREECODE (MINUS_NOMOD_EXPR, "minus_nomod_expr", tcc_binary, 2) |
| |
| /* Same as ADDR_EXPR, except that if the operand represents a bit field, |
| return the address of the byte containing the bit. This is used |
| for the Address attribute and never shows up in the tree. */ |
| DEFTREECODE (ATTR_ADDR_EXPR, "attr_addr_expr", tcc_reference, 1) |
| |
| /* Here are the tree codes for the statement types known to Ada. These |
| must be at the end of this file to allow IS_ADA_STMT to work. */ |
| |
| /* This is how record_code_position and insert_code_for work. The former |
| makes this tree node, whose operand is a statement. The latter inserts |
| the actual statements into this node. Gimplification consists of |
| just returning the inner statement. */ |
| DEFTREECODE (STMT_STMT, "stmt_stmt", tcc_statement, 1) |
| |
| /* A loop. LOOP_STMT_COND is the test to exit the loop. LOOP_STMT_UPDATE |
| is the statement to update the loop iteration variable at the continue |
| point. LOOP_STMT_BODY are the statements in the body of the loop. And |
| LOOP_STMT_LABEL points to the LABEL_DECL of the end label of the loop. */ |
| DEFTREECODE (LOOP_STMT, "loop_stmt", tcc_statement, 4) |
| |
| /* Conditionally exit a loop. EXIT_STMT_COND is the condition, which, if |
| true, will cause the loop to be exited. If no condition is specified, |
| the loop is unconditionally exited. EXIT_STMT_LABEL is the end label |
| corresponding to the loop to exit. */ |
| DEFTREECODE (EXIT_STMT, "exit_stmt", tcc_statement, 2) |
