1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- S E M _ C H 2 -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 1992-2019, Free Software Foundation, Inc. -- 10-- -- 11-- GNAT is free software; you can redistribute it and/or modify it under -- 12-- terms of the GNU General Public License as published by the Free Soft- -- 13-- ware Foundation; either version 3, or (at your option) any later ver- -- 14-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 15-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 16-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- 17-- for more details. You should have received a copy of the GNU General -- 18-- Public License distributed with GNAT; see file COPYING3. If not, go to -- 19-- http://www.gnu.org/licenses for a complete copy of the license. -- 20-- -- 21-- GNAT was originally developed by the GNAT team at New York University. -- 22-- Extensive contributions were provided by Ada Core Technologies Inc. -- 23-- -- 24------------------------------------------------------------------------------ 25 26with Atree; use Atree; 27with Namet; use Namet; 28with Opt; use Opt; 29with Restrict; use Restrict; 30with Rident; use Rident; 31with Sem_Ch8; use Sem_Ch8; 32with Sem_Dim; use Sem_Dim; 33with Sinfo; use Sinfo; 34with Stand; use Stand; 35with Uintp; use Uintp; 36 37package body Sem_Ch2 is 38 39 ------------------------------- 40 -- Analyze_Character_Literal -- 41 ------------------------------- 42 43 procedure Analyze_Character_Literal (N : Node_Id) is 44 begin 45 -- The type is eventually inherited from the context. If expansion 46 -- has already established the proper type, do not modify it. 47 48 if No (Etype (N)) then 49 Set_Etype (N, Any_Character); 50 end if; 51 52 Set_Is_Static_Expression (N); 53 54 if Comes_From_Source (N) 55 and then not In_Character_Range (UI_To_CC (Char_Literal_Value (N))) 56 then 57 Check_Restriction (No_Wide_Characters, N); 58 end if; 59 end Analyze_Character_Literal; 60 61 ------------------------ 62 -- Analyze_Identifier -- 63 ------------------------ 64 65 procedure Analyze_Identifier (N : Node_Id) is 66 begin 67 -- Ignore call if prior errors, and identifier has no name, since 68 -- this is the result of some kind of previous error generating a 69 -- junk identifier. 70 71 if not Is_Valid_Name (Chars (N)) and then Total_Errors_Detected /= 0 then 72 return; 73 else 74 Find_Direct_Name (N); 75 end if; 76 77 Analyze_Dimension (N); 78 end Analyze_Identifier; 79 80 ----------------------------- 81 -- Analyze_Integer_Literal -- 82 ----------------------------- 83 84 procedure Analyze_Integer_Literal (N : Node_Id) is 85 begin 86 Set_Etype (N, Universal_Integer); 87 Set_Is_Static_Expression (N); 88 end Analyze_Integer_Literal; 89 90 -------------------------- 91 -- Analyze_Real_Literal -- 92 -------------------------- 93 94 procedure Analyze_Real_Literal (N : Node_Id) is 95 begin 96 Set_Etype (N, Universal_Real); 97 Set_Is_Static_Expression (N); 98 end Analyze_Real_Literal; 99 100 ---------------------------- 101 -- Analyze_String_Literal -- 102 ---------------------------- 103 104 procedure Analyze_String_Literal (N : Node_Id) is 105 begin 106 -- The type is eventually inherited from the context. If expansion 107 -- has already established the proper type, do not modify it. 108 109 if No (Etype (N)) then 110 Set_Etype (N, Any_String); 111 end if; 112 113 -- String literals are static in Ada 95. Note that if the subtype 114 -- turns out to be non-static, then the Is_Static_Expression flag 115 -- will be reset in Eval_String_Literal. 116 117 if Ada_Version >= Ada_95 then 118 Set_Is_Static_Expression (N); 119 end if; 120 121 if Comes_From_Source (N) and then Has_Wide_Character (N) then 122 Check_Restriction (No_Wide_Characters, N); 123 end if; 124 end Analyze_String_Literal; 125 126end Sem_Ch2; 127