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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [ada/] [prj-strt.ads] - Rev 307
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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P R J . S T R T -- -- -- -- S p e c -- -- -- -- Copyright (C) 2001-2009, 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 distributed with GNAT; see file COPYING3. If not, go to -- -- http://www.gnu.org/licenses for a complete copy of the license. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- This package implements parsing of string expressions in project files with Prj.Tree; use Prj.Tree; private package Prj.Strt is procedure Parse_String_Type_List (In_Tree : Project_Node_Tree_Ref; First_String : out Project_Node_Id; Flags : Processing_Flags); -- Get the list of literal strings that are allowed for a typed string. -- On entry, the current token is the first literal string following -- a left parenthesis in a string type declaration such as: -- type Toto is ("string_1", "string_2", "string_3"); -- -- On exit, the current token is the right parenthesis. The parameter -- First_String is a node that contained the first literal string of the -- string type, linked with the following literal strings. -- -- Report an error if -- - a literal string is not found at the beginning of the list -- or after a comma -- - two literal strings in the list are equal procedure Start_New_Case_Construction (In_Tree : Project_Node_Tree_Ref; String_Type : Project_Node_Id); -- This procedure is called at the beginning of a case construction The -- parameter String_Type is the node for the string type of the case label -- variable. The different literal strings of the string type are stored -- into a table to be checked against the case labels of the case -- construction. procedure End_Case_Construction (Check_All_Labels : Boolean; Case_Location : Source_Ptr; Flags : Processing_Flags); -- This procedure is called at the end of a case construction to remove the -- case labels and to restore the previous state. In particular, in the -- case of nested case constructions, the case labels of the enclosing case -- construction are restored. When When_Others is False and we are not in -- quiet output, a warning is emitted for each value of the case variable -- string type that has not been specified. procedure Parse_Choice_List (In_Tree : Project_Node_Tree_Ref; First_Choice : out Project_Node_Id; Flags : Processing_Flags); -- Get the label for a choice list. -- Report an error if -- - a case label is not a literal string -- - a case label is not in the typed string list -- - the same case label is repeated in the same case construction procedure Parse_Expression (In_Tree : Project_Node_Tree_Ref; Expression : out Project_Node_Id; Current_Project : Project_Node_Id; Current_Package : Project_Node_Id; Optional_Index : Boolean; Flags : Processing_Flags); -- Parse a simple string expression or a string list expression -- -- Current_Project is the node of the project file being parsed -- -- Current_Package is the node of the package being parsed, or Empty_Node -- when we are at the project level (not in a package). On exit, Expression -- is the node of the expression that has been parsed. procedure Parse_Variable_Reference (In_Tree : Project_Node_Tree_Ref; Variable : out Project_Node_Id; Current_Project : Project_Node_Id; Current_Package : Project_Node_Id; Flags : Processing_Flags); -- Parse variable or attribute reference. Used internally (in expressions) -- and for case variables (in Prj.Dect). Current_Package is the node of the -- package being parsed, or Empty_Node when we are at the project level -- (not in a package). On exit, Variable is the node of the variable or -- attribute reference. A variable reference is made of one to three simple -- names. An attribute reference is made of one or two simple names, -- followed by an apostrophe, followed by the attribute simple name. end Prj.Strt;
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