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Diffstat (limited to 'gcc-4.3.1/gcc/ada/sem_ch2.adb')
| -rw-r--r-- | gcc-4.3.1/gcc/ada/sem_ch2.adb | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/sem_ch2.adb b/gcc-4.3.1/gcc/ada/sem_ch2.adb new file mode 100644 index 000000000..3a3bbf9d2 --- /dev/null +++ b/gcc-4.3.1/gcc/ada/sem_ch2.adb @@ -0,0 +1,126 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S E M _ C H 2 -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1992-2007, 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. -- +-- -- +------------------------------------------------------------------------------ + +with Atree; use Atree; +with Errout; use Errout; +with Namet; use Namet; +with Opt; use Opt; +with Restrict; use Restrict; +with Rident; use Rident; +with Sem_Ch8; use Sem_Ch8; +with Sinfo; use Sinfo; +with Stand; use Stand; +with Uintp; use Uintp; + +package body Sem_Ch2 is + + ------------------------------- + -- Analyze_Character_Literal -- + ------------------------------- + + procedure Analyze_Character_Literal (N : Node_Id) is + begin + -- The type is eventually inherited from the context. If expansion + -- has already established the proper type, do not modify it. + + if No (Etype (N)) then + Set_Etype (N, Any_Character); + end if; + + Set_Is_Static_Expression (N); + + if Comes_From_Source (N) + and then not In_Character_Range (UI_To_CC (Char_Literal_Value (N))) + then + Check_Restriction (No_Wide_Characters, N); + end if; + end Analyze_Character_Literal; + + ------------------------ + -- Analyze_Identifier -- + ------------------------ + + procedure Analyze_Identifier (N : Node_Id) is + begin + -- Ignore call if prior errors, and identifier has no name, since + -- this is the result of some kind of previous error generating a + -- junk identifier. + + if Chars (N) in Error_Name_Or_No_Name + and then Total_Errors_Detected /= 0 + then + return; + else + Find_Direct_Name (N); + end if; + end Analyze_Identifier; + + ----------------------------- + -- Analyze_Integer_Literal -- + ----------------------------- + + procedure Analyze_Integer_Literal (N : Node_Id) is + begin + Set_Etype (N, Universal_Integer); + Set_Is_Static_Expression (N); + end Analyze_Integer_Literal; + + -------------------------- + -- Analyze_Real_Literal -- + -------------------------- + + procedure Analyze_Real_Literal (N : Node_Id) is + begin + Set_Etype (N, Universal_Real); + Set_Is_Static_Expression (N); + end Analyze_Real_Literal; + + ---------------------------- + -- Analyze_String_Literal -- + ---------------------------- + + procedure Analyze_String_Literal (N : Node_Id) is + begin + -- The type is eventually inherited from the context. If expansion + -- has already established the proper type, do not modify it. + + if No (Etype (N)) then + Set_Etype (N, Any_String); + end if; + + -- String literals are static in Ada 95. Note that if the subtype + -- turns out to be non-static, then the Is_Static_Expression flag + -- will be reset in Eval_String_Literal. + + if Ada_Version >= Ada_95 then + Set_Is_Static_Expression (N); + end if; + + if Comes_From_Source (N) and then Has_Wide_Character (N) then + Check_Restriction (No_Wide_Characters, N); + end if; + end Analyze_String_Literal; + +end Sem_Ch2; |