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authorEddie Hung <eddie@fpgeh.com>2019-06-24 16:39:18 -0700
committerEddie Hung <eddie@fpgeh.com>2019-06-24 16:39:18 -0700
commitf1675b88f63b4c279e368d5ec9e6ca48f528024d (patch)
treec2f436e5f9350b00d648a68b32bc693294f3ed26 /frontends/json
parentc3df895bf464fd651c4d634ecb58ba78ca572f5f (diff)
parentefd04880dbeb2021c503c82ad962fe8c5d6802d4 (diff)
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Merge remote-tracking branch 'origin/eddie/ram32x1d' into xc7mux
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generated by cgit v1.2.3 (git 2.25.1) at 2025-11-18 00:24:03 +0000
} /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
--  Semantic analysis pass.
--  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
--
--  This program is free software: you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation, either version 2 of the License, or
--  (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT 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
--  along with this program.  If not, see <gnu.org/licenses>.
with Vhdl.Nodes; use Vhdl.Nodes;
with Types; use Types;

package Vhdl.Sem is
   --  Semantic analysis for chapters 1, 2, 10 (uses clauses) and 11.

   -- Do the semantic analysis of design unit DESIGN_UNIT.
   -- Also add a few node or change some nodes, when for exemple an
   -- identifier is changed into an access to the type.
   procedure Semantic (Design_Unit: Iir_Design_Unit);

   -- Get the current design unit, ie, the parameter of the procedure semantic.
   function Get_Current_Design_Unit return Iir_Design_Unit;

   --  Makes the current design unit depends on UNIT.
   --  UNIT must be either an entity_aspect or a design_unit.
   procedure Add_Dependence (Unit : Iir);

   --  Add EL in the current design unit list of items to be checked later.
   procedure Add_Analysis_Checks_List (El : Iir);

   --  INTER_PARENT contains generics interfaces;
   --  ASSOC_PARENT constains generic aspects.
   procedure Sem_Generic_Association_Chain
     (Inter_Parent : Iir; Assoc_Parent : Iir);

   --  INTER_PARENT contains ports interfaces;
   --  ASSOC_PARENT constains ports map aspects.
   procedure Sem_Port_Association_Chain
     (Inter_Parent : Iir; Assoc_Parent : Iir);

   --  Return TRUE iff the actual of ASSOC can be the formal FORMAL.
   --  ASSOC must be an association_element_by_expression.
   function Can_Collapse_Signals (Assoc : Iir; Formal : Iir) return Boolean;

   --  Return TRUE iff LEFT and RIGHT are (in depth) equal.
   --  This corresponds to conformance rules, LRM 2.7
   function Are_Trees_Equal (Left, Right : Iir) return Boolean;

   --  Check requirements on number of interfaces for subprogram specification
   --  SUBPRG for a symbol operator ID.  Requirements only concern operators,
   --  and are defined in LRM 2.3.1.
   --  If ID is not an operator name, this subprogram does no checks.
   --  ID might be different from the identifier of SUBPRG when non object
   --  aliases are checked.
   procedure Check_Operator_Requirements (Id : Name_Id; Subprg : Iir);

   --  Analyze an use clause.
   --  This may adds use clauses to the chain.
   procedure Sem_Use_Clause (Clauses : Iir_Use_Clause);

   --  LRM 2.1  Subprogram Declarations.
   procedure Sem_Subprogram_Specification (Subprg : Iir);
   procedure Sem_Subprogram_Declaration (Subprg : Iir);

   --  LRM 2.2  Subprogram Bodies.
   procedure Sem_Subprogram_Body (Subprg : Iir);

   --  LRM08 4.4  Subprogram instantiation declarations
   procedure Sem_Subprogram_Instantiation_Declaration (Decl : Iir);

   --  LRM 2.5  Package Declarations.
   procedure Sem_Package_Declaration (Pkg : Iir_Package_Declaration);

   --  LRM 2.6  Package Bodies.
   procedure Sem_Package_Body (Decl : Iir);

   --  LRM08 4.9  Package Instantiation Declarations
   procedure Sem_Package_Instantiation_Declaration (Decl : Iir);

   --  Do late analysis checks (pure rules).
   procedure Sem_Analysis_Checks_List (Unit : Iir_Design_Unit;
                                       Emit_Warnings : Boolean);

   --  Analyze the uninstantiated package name of DECL, and return the
   --  package declaration.  Return Null_Iir if the name doesn't denote an
   --  uninstantiated package.
   function Sem_Uninstantiated_Package_Name (Decl : Iir) return Iir;

end Vhdl.Sem;