private OS.VariableDef TranslateField(RS.VariableDef f)
{
return(new OS.VariableDef {
Name = f.Name, Type = TranslateTypeSpec(f.Type), Attributes = f.Attributes, Description = f.Description
});
}
public static FileParserResult ParseFile(Text Text)
{
var TypeFunctions = new HashSet <String>()
{
"Primitive", "Entity", "Enum"
};
var TableParameterFunctions = new HashSet <String>(TypeFunctions.Concat(new List <String> {
"Query"
}));
var TableContentFunctions = TypeFunctions;
var ps = new TreeFormatParseSetting()
{
IsTableParameterFunction = Name => TableParameterFunctions.Contains(Name),
IsTableContentFunction = Name => TableContentFunctions.Contains(Name)
};
var sp = new TreeFormatSyntaxParser(ps, Text);
var ParserResult = sp.Parse();
var ts = new TreeSerializer();
var Types = new List <TypeDef>();
var TypeRefs = new List <TypeDef>();
var Imports = new List <String>();
var Positions = new Dictionary <Object, TextRange>();
foreach (var TopNode in ParserResult.Value.MultiNodesList)
{
if (TopNode.OnFunctionNodes)
{
var pr = new TreeFormatParseResult
{
Value = new Forest {
MultiNodesList = new List <MultiNodes> {
TopNode
}
},
Text = Text,
Positions = ParserResult.Positions,
RawFunctionCalls = ParserResult.RawFunctionCalls
};
var es = new TreeFormatEvaluateSetting
{
FunctionCallEvaluator = (f, nm) =>
{
Action <Object, Object> Mark = (SemanticsObj, SyntaxObj) =>
{
var Range = nm.GetRange(SyntaxObj);
if (Range.OnSome)
{
Positions.Add(SemanticsObj, Range.Value);
}
};
if (TypeFunctions.Contains(f.Name.Text))
{
if (f.Parameters.Count < 1 || f.Parameters.Count > 2)
{
throw new InvalidEvaluationException("InvalidParameterCount", nm.GetFileRange(f), f);
}
var VersionedName = GetLeafNodeValue(f.Parameters[0], nm, "InvalidName");
var TypeRef = ParseTypeRef(VersionedName);
Mark(TypeRef, f.Parameters[0]);
var Name = (String)TypeRef;
var Attributes = new List <KeyValuePair <String, List <String> > >();
var Description = "";
if (f.Parameters.Count >= 2)
{
var DescriptionParameter = f.Parameters[1];
if (!DescriptionParameter.OnLeaf)
{
throw new InvalidEvaluationException("InvalidDescription", nm.GetFileRange(DescriptionParameter), DescriptionParameter);
}
var c = OS.TokenParser.DecomposeDescription(DescriptionParameter.Leaf);
Attributes = c.Attributes;
Mark(Attributes, f.Parameters[1]);
Description = c.Description;
}
var ContentLines = new List <FunctionCallTableLine> {
};
if (f.Content.OnSome)
{
var ContentValue = f.Content.Value;
if (!ContentValue.OnTableContent)
{
throw new InvalidEvaluationException("InvalidContent", nm.GetFileRange(ContentValue), ContentValue);
}
ContentLines = ContentValue.TableContent;
}
switch (f.Name.Text)
{
case "Primitive":
{
var GenericParameters = new List <VariableDef>();
foreach (var Line in ContentLines)
{
String cName = null;
TypeSpec cType = null;
var cAttributes = new List <KeyValuePair <String, List <String> > >();
var cDescription = "";
if (Line.Nodes.Count == 2)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidFieldName");
cType = ParseTypeSpec(Line.Nodes[1], nm, Positions);
}
else if (Line.Nodes.Count == 3)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidFieldName");
cType = ParseTypeSpec(Line.Nodes[1], nm, Positions);
var c = OS.TokenParser.DecomposeDescription(GetLeafNodeValue(Line.Nodes[2], nm, "InvalidDescription"));
cAttributes = c.Attributes;
Mark(cAttributes, Line.Nodes[2]);
cDescription = c.Description;
}
else if (Line.Nodes.Count == 0)
{
continue;
}
else
{
throw new InvalidEvaluationException("InvalidLineNodeCount", nm.GetFileRange(Line), Line);
}
if (cName.StartsWith("'"))
{
cName = new String(cName.Skip(1).ToArray());
var gp = new VariableDef {
Name = cName, Type = cType, Attributes = cAttributes, Description = cDescription, Attribute = null
};
Mark(gp, Line);
GenericParameters.Add(gp);
}
else
{
throw new InvalidEvaluationException("InvalidLine", nm.GetFileRange(Line), Line);
}
}
var p = new PrimitiveDef {
Name = Name, Attributes = Attributes, Description = Description
};
Mark(p, f);
var t = TypeDef.CreatePrimitive(p);
Mark(t, f);
Types.Add(t);
return(new List <TFSemantics.Node> {
});
}
case "Entity":
{
var Fields = new List <VariableDef>();
foreach (var Line in ContentLines)
{
String cName = null;
TypeSpec cType = null;
var cAttributes = new List <KeyValuePair <String, List <String> > >();
var cDescription = "";
if (Line.Nodes.Count == 2)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidFieldName");
cType = ParseTypeSpec(Line.Nodes[1], nm, Positions);
}
else if (Line.Nodes.Count == 3)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidFieldName");
cType = ParseTypeSpec(Line.Nodes[1], nm, Positions);
var c = OS.TokenParser.DecomposeDescription(GetLeafNodeValue(Line.Nodes[2], nm, "InvalidDescription"));
cAttributes = c.Attributes;
Mark(cAttributes, Line.Nodes[2]);
cDescription = c.Description;
}
else if (Line.Nodes.Count == 0)
{
continue;
}
else
{
throw new InvalidEvaluationException("InvalidLineNodeCount", nm.GetFileRange(Line), Line);
}
var p = new VariableDef {
Name = cName, Type = cType, Attributes = cAttributes, Description = cDescription
};
Mark(p, Line);
Fields.Add(p);
}
var ed = new EntityDef {
Name = Name, Fields = Fields, Attributes = Attributes, Description = Description
};
Mark(ed, f);
var t = TypeDef.CreateEntity(ed);
Mark(t, f);
Types.Add(t);
return(new List <TFSemantics.Node> {
});
}
case "Enum":
{
var Literals = new List <LiteralDef>();
Int64 NextValue = 0;
foreach (var Line in ContentLines)
{
String cName = null;
Int64 cValue = NextValue;
var cAttributes = new List <KeyValuePair <String, List <String> > >();
var cDescription = "";
if (Line.Nodes.Count == 1)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidLiteralName");
cValue = NextValue;
}
else if (Line.Nodes.Count == 2)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidLiteralName");
cValue = NumericStrings.InvariantParseInt64(GetLeafNodeValue(Line.Nodes[1], nm, "InvalidLiteralValue"));
}
else if (Line.Nodes.Count == 3)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidLiteralName");
cValue = NumericStrings.InvariantParseInt64(GetLeafNodeValue(Line.Nodes[1], nm, "InvalidLiteralValue"));
var c = OS.TokenParser.DecomposeDescription(GetLeafNodeValue(Line.Nodes[2], nm, "InvalidDescription"));
cAttributes = c.Attributes;
Mark(cAttributes, Line.Nodes[2]);
cDescription = c.Description;
}
else if (Line.Nodes.Count == 0)
{
continue;
}
else
{
throw new InvalidEvaluationException("InvalidLineNodeCount", nm.GetFileRange(Line), Line);
}
NextValue = cValue + 1;
var ltl = new LiteralDef {
Name = cName, Value = cValue, Attributes = cAttributes, Description = cDescription
};
Mark(ltl, Line);
Literals.Add(ltl);
}
var r = (TypeRef)("Int");
Mark(r, f);
var UnderlyingType = TypeSpec.CreateTypeRef(r);
Mark(UnderlyingType, f);
var ed = new EnumDef {
Name = Name, UnderlyingType = UnderlyingType, Literals = Literals, Attributes = Attributes, Description = Description
};
Mark(ed, f);
var t = TypeDef.CreateEnum(ed);
Mark(t, f);
Types.Add(t);
return(new List <TFSemantics.Node> {
});
}
default:
{
throw new InvalidEvaluationException("UnknownFunction", nm.GetFileRange(f), f);
}
}
}
else if (f.Name.Text == "Query")
{
if (f.Parameters.Count != 0)
{
throw new InvalidEvaluationException("InvalidParameterCount", nm.GetFileRange(f), f);
}
var Verbs = new Dictionary <String, Func <Verb> >
{
{ "Select", () => Verb.CreateSelect() },
{ "Lock", () => Verb.CreateLock() },
{ "Insert", () => Verb.CreateInsert() },
{ "Update", () => Verb.CreateUpdate() },
{ "Upsert", () => Verb.CreateUpsert() },
{ "Delete", () => Verb.CreateDelete() }
};
var Numerals = new Dictionary <String, Func <Numeral> >
{
{ "Optional", () => Numeral.CreateOptional() },
{ "One", () => Numeral.CreateOne() },
{ "Many", () => Numeral.CreateMany() },
{ "All", () => Numeral.CreateAll() },
{ "Range", () => Numeral.CreateRange() },
{ "Count", () => Numeral.CreateCount() }
};
Func <int, TextLine, List <QueryDef> > ParseQueryDef = (IndentLevel, Line) =>
{
var l = new List <TFSemantics.Node>();
List <TFSemantics.Node> cl = null;
TextPosition clStart = default(TextPosition);
TextPosition clEnd = default(TextPosition);
if (Line.Text.Length < IndentLevel * 4)
{
return(new List <QueryDef> {
});
}
var LineRange = new TextRange {
Start = Text.Calc(Line.Range.Start, IndentLevel * 4), End = Line.Range.End
};
var Range = LineRange;
while (true)
{
var tpr = TreeFormatTokenParser.ReadToken(Text, pr.Positions, Range);
if (!tpr.OnSome)
{
break;
}
var v = tpr.Value.Token;
if (v.OnSingleLineComment)
{
break;
}
if (v.OnLeftParenthesis)
{
if (cl != null)
{
throw new InvalidTokenException("DoubleLeftParenthesis", new FileTextRange {
Text = Text, Range = Range
}, "(");
}
cl = new List <TFSemantics.Node>();
clStart = Range.Start;
clEnd = Range.End;
}
else if (v.OnRightParenthesis)
{
if (cl == null)
{
throw new InvalidTokenException("DismatchedRightParenthesis", new FileTextRange {
Text = Text, Range = Range
}, ")");
}
if (cl.Count == 0)
{
throw new InvalidTokenException("EmptyIndex", new FileTextRange {
Text = Text, Range = Range
}, ")");
}
if (tpr.Value.RemainingChars.OnSome)
{
clEnd = tpr.Value.RemainingChars.Value.End;
}
l.Add(nm.MakeStemNode("", cl, new TextRange {
Start = clStart, End = clEnd
}));
cl = null;
clStart = default(TextPosition);
clEnd = default(TextPosition);
}
else if (v.OnSingleLineLiteral)
{
if (cl != null)
{
cl.Add(nm.MakeLeafNode(v.SingleLineLiteral, pr.Positions[v]));
}
else
{
l.Add(nm.MakeLeafNode(v.SingleLineLiteral, pr.Positions[v]));
}
}
else
{
throw new InvalidTokenException("UnknownToken", new FileTextRange {
Text = Text, Range = Range
}, Text.GetTextInLine(Range));
}
if (!tpr.Value.RemainingChars.OnSome)
{
break;
}
Range = tpr.Value.RemainingChars.Value;
}
if (cl != null)
{
throw new InvalidTokenException("DismatchedRightParentheses", new FileTextRange {
Text = Text, Range = Range
}, "");
}
if (l.Count == 0)
{
return(new List <QueryDef> {
});
}
if (l.Count != 4 && l.Count != 6 && l.Count != 8)
{
throw new InvalidSyntaxException("InvalidQuery", new FileTextRange {
Text = Text, Range = LineRange
});
}
var From = GetLeafNodeValue(l[0], nm, "InvalidFrom");
if (From != "From")
{
throw new InvalidTokenException("InvalidFrom", nm.GetFileRange(l[0]), From);
}
var EntityName = GetLeafNodeValue(l[1], nm, "InvalidEntityName");
var VerbName = GetLeafNodeValue(l[2], nm, "InvalidVerb");
if (!Verbs.ContainsKey(VerbName))
{
throw new InvalidTokenException("InvalidVerb", nm.GetFileRange(l[2]), VerbName);
}
var Verb = Verbs[VerbName]();
Mark(Verb, l[2]);
var NumeralName = GetLeafNodeValue(l[3], nm, "InvalidNumeral");
if (!Numerals.ContainsKey(NumeralName))
{
throw new InvalidTokenException("InvalidNumeral", nm.GetFileRange(l[3]), NumeralName);
}
var Numeral = Numerals[NumeralName]();
Mark(Numeral, l[3]);
var By = new List <String> {
};
var OrderBy = new List <KeyColumn> {
};
if (l.Count >= 6)
{
var ByOrOrderByName = GetLeafNodeValue(l[4], nm, "InvalidByOrOrderBy");
if (ByOrOrderByName == "By")
{
if (l[5].OnLeaf)
{
By = new List <String> {
l[5].Leaf
};
}
else if (l[5].OnStem)
{
By = l[5].Stem.Children.Select(c => GetLeafNodeValue(c, nm, "InvalidKeyColumn")).ToList();
}
else
{
throw new InvalidSyntaxException("InvalidBy", nm.GetFileRange(l[5]));
}
Mark(By, l[5]);
}
else if (ByOrOrderByName == "OrderBy")
{
if (l[5].OnLeaf)
{
OrderBy = (new List <String> {
l[5].Leaf
}).Select(c => c.EndsWith("-") ? new KeyColumn {
Name = c.Substring(0, c.Length - 1), IsDescending = true
} : new KeyColumn {
Name = c, IsDescending = false
}).ToList();
}
else if (l[5].OnStem)
{
OrderBy = l[5].Stem.Children.Select(c => GetLeafNodeValue(c, nm, "InvalidKeyColumn")).Select(c => c.EndsWith("-") ? new KeyColumn {
Name = c.Substring(0, c.Length - 1), IsDescending = true
} : new KeyColumn {
Name = c, IsDescending = false
}).ToList();
}
else
{
throw new InvalidSyntaxException("InvalidOrderBy", nm.GetFileRange(l[5]));
}
Mark(OrderBy, l[5]);
}
else
{
throw new InvalidSyntaxException("InvalidByOrOrderBy", nm.GetFileRange(l[5]));
}
}
if (l.Count >= 8)
{
if (OrderBy.Count != 0)
{
throw new InvalidSyntaxException("InvalidOrderBy", nm.GetFileRange(l[6]));
}
var OrderByName = GetLeafNodeValue(l[6], nm, "InvalidOrderBy");
if (OrderByName == "OrderBy")
{
if (l[7].OnLeaf)
{
OrderBy = (new List <String> {
l[7].Leaf
}).Select(c => c.EndsWith("-") ? new KeyColumn {
Name = c.Substring(0, c.Length - 1), IsDescending = true
} : new KeyColumn {
Name = c, IsDescending = false
}).ToList();
}
else if (l[7].OnStem)
{
OrderBy = l[7].Stem.Children.Select(c => GetLeafNodeValue(c, nm, "InvalidKeyColumn")).Select(c => c.EndsWith("-") ? new KeyColumn {
Name = c.Substring(0, c.Length - 1), IsDescending = true
} : new KeyColumn {
Name = c, IsDescending = false
}).ToList();
}
else
{
throw new InvalidSyntaxException("InvalidOrderBy", nm.GetFileRange(l[7]));
}
Mark(OrderBy, l[7]);
}
else
{
throw new InvalidSyntaxException("InvalidOrderBy", nm.GetFileRange(l[7]));
}
}
var q = new QueryDef {
EntityName = EntityName, Verb = Verb, Numeral = Numeral, By = By, OrderBy = OrderBy
};
Mark(q, Line);
return(new List <QueryDef> {
q
});
};
var Queries = f.Content.Value.LineContent.Lines.SelectMany(Line => ParseQueryDef(f.Content.Value.LineContent.IndentLevel, Line)).ToList();
Mark(Queries, f);
var ql = new QueryListDef {
Queries = Queries
};
Mark(ql, f);
var t = TypeDef.CreateQueryList(ql);
Mark(t, f);
Types.Add(t);
return(new List <TFSemantics.Node> {
});
}
else
{
throw new InvalidEvaluationException("UnknownFunction", nm.GetFileRange(f), f);
}
}
};
var e = new TreeFormatEvaluator(es, pr);
e.Evaluate();
}
else
{
var pr = new TreeFormatParseResult
{
Value = new Forest {
MultiNodesList = new List <MultiNodes> {
TopNode
}
},
Text = Text,
Positions = ParserResult.Positions,
RawFunctionCalls = ParserResult.RawFunctionCalls
};
var es = new TreeFormatEvaluateSetting {
};
var e = new TreeFormatEvaluator(es, pr);
var er = e.Evaluate();
if (er.Value.Nodes.Count > 0)
{
var ReadResult = ts.Read <Schema>(CollectionOperations.CreatePair(er.Value, er.Positions));
Types.AddRange(ReadResult.Key.Types);
TypeRefs.AddRange(ReadResult.Key.TypeRefs);
Imports.AddRange(ReadResult.Key.Imports);
foreach (var p in ReadResult.Value)
{
if (p.Value.Range.OnSome)
{
Positions.Add(p.Key, p.Value.Range.Value);
}
}
}
}
}
var Schema = new Schema {
Types = Types, TypeRefs = TypeRefs, Imports = Imports
};
return(new FileParserResult {
Schema = Schema, Text = Text, Positions = Positions
});
}
//在描述中可以在[]中使用如下几个标记
//在实体上
// CN:<Name> CollectionName
// PK[C]:<Columns> PrimaryKey
// C Clustered
// UK[C]:<Columns> UniqueKey
// C Clustered
// NK[C]:<Columns> NonUniqueKey
// C Clustered
//在列上
// I Identity
// N Nullable
// P:<Params> TypeParameters, 例如字符串长度[P:50]
//在导航属性上
// FK:<Columns>=<Columns> ForeignKey
// RFK:<Columns>=<Columns> ReverseForeignKey
// FNK:<Columns>=<Columns> ForeignNonUniqueKey 即当前键可指向多种物体，没有外键约束
// RFNK:<Columns>=<Columns> ReverseForeignNonUniqueKey 即目标键可指向多种物体，没有外键约束
// N Nullable，不能和FK同时使用
// FK和FNK只需要目标表上的键有索引，RFK和RFNK需要当前表和目标表的键都有索引
//
//标记可以叠加，如[CN:Users][PKC:Id1, Id2]，但FK、RFK、FNK、RFNK不能叠加
//外键中可有多个键，例如[FK:Id1, Id2=Id1, Id2]
//索引列上可以标注减号表示递减，比如[PKC:Id1, Id2-]
//
//如果不存在CN，则默认使用<EntityName>
//如果没有声明PK，则自动寻找名称为Id或者<EntityName>Id(不区分大小写)的列为[PK]，但不会将该字段记为[I]
//如果没有一个Key有C，则默认PK有C
//如果一个非简单类型属性(导航属性)没有标明外键或反外键，则
// 1)如果有<Name>Id的列，且该列为简单类型，类型表的主键列数量为1，则将该字段标明为[FK:<Name>Id=<Type/ElementType>.<PrimaryKey>]
// 2)如果类型表有一个<TableName>Id的列，且该列为简单类型，当前表的主键列数量为1，则将该字段标明为[RFK:<PrimaryKey>=<Type/ElementType>.<TableName>Id]
//如果一个String类型的列上没有标记P，则报错
private void FillFieldAttribute(VariableDef f, Dictionary <String, EntityDef> Entities)
{
var t = f.Type;
var IsColumn = false;
if (t.OnTypeRef)
{
IsColumn = !Entities.ContainsKey((String)(t.TypeRef));
}
else if (t.OnOptional)
{
IsColumn = !Entities.ContainsKey((String)(t.Optional));
}
else if (t.OnList)
{
IsColumn = !Entities.ContainsKey((String)(t.List));
}
else
{
throw new InvalidOperationException();
}
FieldAttribute fa = null;
var IsNullable = false;
if (IsColumn)
{
var IsIdentity = false;
String TypeParameters = null;
foreach (var a in f.Attributes)
{
if (a.Key == "I")
{
IsIdentity = true;
}
else if (a.Key == "N")
{
IsNullable = true;
}
else if (a.Key == "P")
{
TypeParameters = String.Join(", ", a.Value);
}
else
{
throw new InvalidEvaluationException(String.Format("InvalidAttribute: {0}", a.Key), Positions.ContainsKey(f.Attributes) ? Positions[f.Attributes] : TreeFormat.Optional <FileTextRange> .Empty, a);
}
}
//如果一个列上没有标记P，则自动添加[P:]
if (TypeParameters == null)
{
TypeParameters = "";
}
fa = FieldAttribute.CreateColumn(new ColumnAttribute {
IsIdentity = IsIdentity, TypeParameters = TypeParameters
});
}
else
{
if (f.Attributes.Where(a => a.Key == "FK" || a.Key == "RFK" || a.Key == "FNK" || a.Key == "RFNK").Count() > 1)
{
throw new InvalidEvaluationException(String.Format("ConflictedAttributes: {0}", f.Name), Positions.ContainsKey(f.Attributes) ? Positions[f.Attributes] : TreeFormat.Optional <FileTextRange> .Empty, f);
}
foreach (var a in f.Attributes)
{
if (a.Key == "N")
{
IsNullable = true;
continue;
}
var km = GetKeyMap(String.Join(", ", a.Value));
if (a.Key == "FK")
{
var IsReverse = false;
var IsUnique = true;
var ThisKey = km.ThisKey;
var OtherKey = km.OtherKey;
fa = FieldAttribute.CreateNavigation(new NavigationAttribute {
IsReverse = IsReverse, IsUnique = IsUnique, ThisKey = ThisKey, OtherKey = OtherKey
});
}
else if (a.Key == "RFK")
{
var IsReverse = true;
var IsUnique = true;
var ThisKey = km.ThisKey;
var OtherKey = km.OtherKey;
fa = FieldAttribute.CreateNavigation(new NavigationAttribute {
IsReverse = IsReverse, IsUnique = IsUnique, ThisKey = ThisKey, OtherKey = OtherKey
});
}
else if (a.Key == "FNK")
{
var IsReverse = false;
var IsUnique = false;
var ThisKey = km.ThisKey;
var OtherKey = km.OtherKey;
fa = FieldAttribute.CreateNavigation(new NavigationAttribute {
IsReverse = IsReverse, IsUnique = IsUnique, ThisKey = ThisKey, OtherKey = OtherKey
});
}
else if (a.Key == "RFNK")
{
var IsReverse = true;
var IsUnique = false;
var ThisKey = km.ThisKey;
var OtherKey = km.OtherKey;
fa = FieldAttribute.CreateNavigation(new NavigationAttribute {
IsReverse = IsReverse, IsUnique = IsUnique, ThisKey = ThisKey, OtherKey = OtherKey
});
}
else
{
throw new InvalidEvaluationException(String.Format("InvalidAttribute: {0}", a.Key), Positions.ContainsKey(f.Attributes) ? Positions[f.Attributes] : TreeFormat.Optional <FileTextRange> .Empty, a);
}
}
if (fa == null)
{
fa = FieldAttribute.CreateNavigation(null);
}
}
if (IsNullable && !t.OnOptional)
{
f.Type = TypeSpec.CreateOptional(t.TypeRef);
if (Positions.ContainsKey(t))
{
Positions.Add(f.Type, Positions[t]);
}
}
f.Attribute = fa;
}