mirror of
https://github.com/twiglet/cs2j.git
synced 2025-01-18 13:15:17 +01:00
grap AppEnv, start generating dot net types for things
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Kevin Glynn
parent
380acc7e03
commit
bb423419b1
@ -8,14 +8,92 @@ options {
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superClass='RusticiSoftware.Translator.CSharp.CommonWalker';
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}
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// A scope to keep track of the namespace search path available at any point in the program
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scope NSContext {
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string currentNS;
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// all namespaces in scope, these two lists are actually a map from alias to namespace
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// so aliases[i] -> namespaces[i]
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// for namespaces without an alias we just map them to themselves
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List<string> aliases;
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List<string> namespaces;
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}
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@namespace { RusticiSoftware.Translator.CSharp }
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@header
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{
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using RusticiSoftware.Translator.Utils;
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using RusticiSoftware.Translator.CLR;
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}
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@members
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{
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// Initial namespace search path gathered in JavaMaker
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public List<string> SearchPathKeys { get; set; }
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public List<string> SearchPathValues { get; set; }
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private Set<string> Imports { get; set; }
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protected CommonTree mkImports() {
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CommonTree root = (CommonTree)adaptor.Nil;
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if (Imports != null) {
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String[] sortedImports = Imports.AsArray();
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Array.Sort(sortedImports);
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foreach (string imp in sortedImports) {
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adaptor.AddChild(root, (CommonTree)adaptor.Create(IMPORT, "import"));
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adaptor.AddChild(root, (CommonTree)adaptor.Create(PAYLOAD, imp));
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}
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}
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return root;
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}
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protected string ParentNameSpace {
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get {
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return ((NSContext_scope)$NSContext.ToArray()[1]).currentNS;
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}
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}
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protected TypeRepTemplate findType(string name) {
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TypeRepTemplate ret = null;
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object[] ctxts = $NSContext.ToArray();
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foreach (NSContext_scope ctxt in ctxts) {
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for (int i = ctxt.namespaces.Count - 1; i >= 0; i--) {
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String ns = ctxt.namespaces[i];
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String fullName = (ns ?? "") + (String.IsNullOrEmpty(ns) ? "" : ".") + name;
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if (AppEnv.ContainsKey(fullName)) {
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ret = AppEnv[fullName];
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break;
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}
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}
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}
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// Check if name is fully qualified
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if (ret == null && AppEnv.ContainsKey(name)) {
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ret = AppEnv[name];
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}
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if (ret != null)
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Console.Out.WriteLine("findType: found {0}", ret.TypeName);
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return ret;
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}
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}
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compilation_unit:
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^(PACKAGE PAYLOAD modifiers? type_declaration);
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compilation_unit
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scope NSContext;
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@init {
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Imports = new Set<string>();
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// TODO: Do we need to ensure we have access to System? If so, can add it here.
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$NSContext::aliases = SearchPathKeys;
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$NSContext::namespaces = SearchPathValues;
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}:
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^(pkg=PACKAGE ns=PAYLOAD { $NSContext::currentNS = $ns.text; } m=modifiers? dec=type_declaration )
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-> ^($pkg $ns { mkImports() } $m? $dec);
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type_declaration:
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class_declaration
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@ -77,8 +155,8 @@ primary_expression:
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| anonymous_method_expression // delegate (int foo) {}
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;
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primary_expression_start:
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predefined_type
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primary_expression_start returns [TypeRepTemplate dotNetType]:
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predefined_type { $dotNetType = $predefined_type.dotNetType; }
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| (identifier generic_argument_list) => identifier generic_argument_list
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| identifier
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| ^('::' identifier identifier)
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@ -252,13 +330,13 @@ commas:
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// Type Section
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///////////////////////////////////////////////////////
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type_name:
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namespace_or_type_name ;
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namespace_or_type_name:
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type_name returns [TypeRepTemplate dotNetType]:
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namespace_or_type_name { $dotNetType = findType("ExternalId" /*$namespace_or_type_name.name*/); } ;
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namespace_or_type_name returns [String name, List<string> tyargs]:
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type_or_generic
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| ^('::' namespace_or_type_name type_or_generic)
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| ^('.' namespace_or_type_name type_or_generic) ;
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type_or_generic:
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type_or_generic returns [TypeRepTemplate dotNetType]:
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(identifier generic_argument_list) => identifier generic_argument_list
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| identifier ;
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@ -284,20 +362,26 @@ generic_argument_list:
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type_arguments:
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type (',' type)* ;
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type:
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^(TYPE (predefined_type | type_name | 'void') rank_specifiers? '*'* '?'?);
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non_nullable_type:
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type;
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non_array_type:
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type;
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array_type:
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type;
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unmanaged_type:
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type;
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class_type:
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type;
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pointer_type:
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type;
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// TODO add arrays
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type returns [TypeRepTemplate dotNetType]
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:
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^(TYPE (predefined_type { $dotNetType = $predefined_type.dotNetType; }
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| type_name { $dotNetType = $type_name.dotNetType; }
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| 'void' { $dotNetType = AppEnv["System.Void"]; } )
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rank_specifiers? '*'* '?'?);
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non_nullable_type returns [TypeRepTemplate dotNetType]:
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type { $dotNetType = $type.dotNetType; } ;
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non_array_type returns [TypeRepTemplate dotNetType]:
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type { $dotNetType = $type.dotNetType; } ;
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array_type returns [TypeRepTemplate dotNetType]:
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type { $dotNetType = $type.dotNetType; } ;
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unmanaged_type returns [TypeRepTemplate dotNetType]:
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type { $dotNetType = $type.dotNetType; } ;
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class_type returns [TypeRepTemplate dotNetType]:
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type { $dotNetType = $type.dotNetType; } ;
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pointer_type returns [TypeRepTemplate dotNetType]:
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type { $dotNetType = $type.dotNetType; } ;
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///////////////////////////////////////////////////////
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@ -525,9 +609,20 @@ attribute_argument_expression:
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// Class Section
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///////////////////////////////////////////////////////
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class_declaration:
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^(CLASS identifier type_parameter_constraints_clauses? type_parameter_list?
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class_implements? class_body ) ;
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class_declaration
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scope NSContext;
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@init {
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$NSContext::aliases = new List<string>();
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$NSContext::namespaces = new List<string>();
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}
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:
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^(CLASS identifier { $NSContext::currentNS = ParentNameSpace + "." + $identifier.text; } type_parameter_constraints_clauses? type_parameter_list?
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class_implements?
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{
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$NSContext::aliases.Add($NSContext::currentNS);
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$NSContext::namespaces.Add($NSContext::currentNS);
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}
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class_body ) ;
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type_parameter_list:
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(attributes? type_parameter)+ ;
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@ -737,8 +832,8 @@ operator_body:
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invocation_expression:
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invocation_start (((arguments ('['|'.'|'->')) => arguments invocation_part)
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| invocation_part)* arguments ;
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invocation_start:
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predefined_type
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invocation_start returns [TypeRepTemplate dotNetType]:
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predefined_type { $dotNetType = $predefined_type.dotNetType; }
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| (identifier generic_argument_list) => identifier generic_argument_list
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| 'this'
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| SUPER
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@ -872,9 +967,29 @@ yield_statement:
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// Lexar Section
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///////////////////////////////////////////////////////
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predefined_type:
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'bool' | 'byte' | 'char' | 'decimal' | 'double' | 'float' | 'int' | 'long' | 'object' | 'sbyte'
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| 'short' | 'string' | 'uint' | 'ulong' | 'ushort' ;
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predefined_type returns [TypeRepTemplate dotNetType]
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@init {
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string ns = "";
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}
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@after {
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$dotNetType = AppEnv[ns];
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}:
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'bool' { ns = "System.Boolean"; }
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| 'byte' { ns = "System.Byte"; }
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| 'char' { ns = "System.Char"; }
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| 'decimal' { ns = "System.Decimal"; }
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| 'double' { ns = "System.Double"; }
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| 'float' { ns = "System.Single"; }
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| 'int' { ns = "System.Int32"; }
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| 'long' { ns = "System.Int64"; }
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| 'object' { ns = "System.Object"; }
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| 'sbyte' { ns = "System.SByte"; }
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| 'short' { ns = "System.Int16"; }
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| 'string' { ns = "System.String"; }
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| 'uint' { ns = "System.UInt32"; }
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| 'ulong' { ns = "System.UInt64"; }
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| 'ushort' { ns = "System.UInt16"; }
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;
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identifier:
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IDENTIFIER | also_keyword;
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