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Diffstat (limited to 'gcc-4.9/gcc/ada/prj-strt.ads')
| -rw-r--r-- | gcc-4.9/gcc/ada/prj-strt.ads | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ada/prj-strt.ads b/gcc-4.9/gcc/ada/prj-strt.ads new file mode 100644 index 000000000..7dbe53027 --- /dev/null +++ b/gcc-4.9/gcc/ada/prj-strt.ads @@ -0,0 +1,109 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |