projects / thirdparty / gcc.git / blame
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|---|---|---|
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1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| 3 | -- GNAT COMPILER COMPONENTS -- | |
| 4 | -- -- | |
| 5 | -- C A S I N G -- | |
| 6 | -- -- | |
| 7 | -- S p e c -- | |
| 70482933 | 8 | -- -- |
| 1d005acc | 9 | -- Copyright (C) 1992-2019, Free Software Foundation, Inc. -- |
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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- -- | |
| 748086b7 | 13 | -- ware Foundation; either version 3, or (at your option) any later ver- -- |
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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 -- | |
| 748086b7 JJ |
16 | -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| 17 | -- -- | |
| 18 | -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 19 | -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 20 | -- version 3.1, as published by the Free Software Foundation. -- | |
| 21 | -- -- | |
| 22 | -- You should have received a copy of the GNU General Public License and -- | |
| 23 | -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 24 | -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 25 | -- <http://www.gnu.org/licenses/>. -- | |
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26 | -- -- |
| 27 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 71ff80dc | 28 | -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
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29 | -- -- |
| 30 | ------------------------------------------------------------------------------ | |
| 31 | ||
| b269f477 | 32 | with Namet; use Namet; |
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33 | with Types; use Types; |
| 34 | ||
| 35 | package Casing is | |
| 36 | ||
| 37 | -- This package contains data and subprograms to support the feature that | |
| 38 | -- recognizes the letter case styles used in the source program being | |
| 39 | -- compiled, and uses this information for error message formatting, and | |
| 40 | -- for recognizing reserved words that are misused as identifiers. | |
| 41 | ||
| 42 | ------------------------------- | |
| 43 | -- Case Control Declarations -- | |
| 44 | ------------------------------- | |
| 45 | ||
| 46 | -- Declaration of type for describing casing convention | |
| 47 | ||
| 48 | type Casing_Type is ( | |
| 49 | ||
| 50 | All_Upper_Case, | |
| 51 | -- All letters are upper case | |
| 52 | ||
| 53 | All_Lower_Case, | |
| 54 | -- All letters are lower case | |
| 55 | ||
| 56 | Mixed_Case, | |
| 57 | -- The initial letter, and any letters after underlines are upper case. | |
| 58 | -- All other letters are lower case | |
| 59 | ||
| 60 | Unknown | |
| 61 | -- Used if an identifier does not distinguish between the above cases, | |
| 62 | -- (e.g. X, Y_3, M4, A_B, or if it is inconsistent ABC_def). | |
| 63 | ); | |
| 64 | ||
| 498d1b80 AC |
65 | subtype Known_Casing is Casing_Type range All_Upper_Case .. Mixed_Case; |
| 66 | -- Exclude Unknown casing | |
| 67 | ||
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68 | ------------------------------ |
| 69 | -- Case Control Subprograms -- | |
| 70 | ------------------------------ | |
| 71 | ||
| b269f477 BD |
72 | procedure Set_Casing |
| 73 | (Buf : in out Bounded_String; | |
| 74 | C : Casing_Type; | |
| 75 | D : Casing_Type := Mixed_Case); | |
| 76 | -- Takes the name stored in Buf and modifies it to be consistent with the | |
| 77 | -- casing given by C, or if C = Unknown, then with the casing given by | |
| 78 | -- D. The name is basically treated as an identifier, except that special | |
| 79 | -- separator characters other than underline are permitted and treated like | |
| 80 | -- underlines (this handles cases like minus and period in unit names, | |
| 81 | -- apostrophes in error messages, angle brackets in names like <any_type>, | |
| 82 | -- etc). | |
| 83 | ||
| 70482933 | 84 | procedure Set_Casing (C : Casing_Type; D : Casing_Type := Mixed_Case); |
| b269f477 | 85 | -- Uses Buf => Global_Name_Buffer |
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86 | |
| 87 | procedure Set_All_Upper_Case; | |
| 88 | pragma Inline (Set_All_Upper_Case); | |
| 89 | -- This procedure is called with an identifier name stored in Name_Buffer. | |
| 90 | -- On return, the identifier is converted to all upper case. The call is | |
| 91 | -- equivalent to Set_Casing (All_Upper_Case). | |
| 92 | ||
| 93 | function Determine_Casing (Ident : Text_Buffer) return Casing_Type; | |
| e80f0cb0 RD |
94 | -- Determines the casing of the identifier/keyword string Ident. A special |
| 95 | -- test is made for SPARK_Mode which is considered to be mixed case, since | |
| 96 | -- this gives a better general behavior. | |
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97 | |
| 98 | end Casing; |