Class PatternSearch

Provides Token-pattern matching utilities

Inheritance

System.Object

PatternSearch

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Azos.CodeAnalysis

Assembly: Azos.dll

Syntax

public static class PatternSearch

Methods

DoUntilAny<TToken>(TToken, FSMI, Int32[])

Performs FSM instruction unless token's type is any of the specified, then advances FSM

Declaration

public static FSMI DoUntilAny<TToken>(this TToken token, FSMI instruction, params int[] types)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
FSMI	instruction
System.Int32[]	types

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

DoUntilAny<TToken>(TToken, FSMI, String[])

Performs FSM instruction unless token's text is any of the specified, then advances FSM

Declaration

public static FSMI DoUntilAny<TToken>(this TToken token, FSMI instruction, params string[] texts)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
FSMI	instruction
System.String[]	texts

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

DoUntilAny<TToken>(TToken, FSMI, StringComparison, String[])

Performs FSM instruction unless token's text is any of the specified, then advances FSM

Declaration

public static FSMI DoUntilAny<TToken>(this TToken token, FSMI instruction, StringComparison comparison, params string[] texts)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
FSMI	instruction
System.StringComparison	comparison
System.String[]	texts

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

DoUntilAny<TToken, TTokenType>(TToken, FSMI, TTokenType[])

Performs FSM instruction unless token's type is any of the specified, then advances FSM

Declaration

public static FSMI DoUntilAny<TToken, TTokenType>(this TToken token, FSMI instruction, params TTokenType[] types)

    where TToken : Token where TTokenType : struct, IConvertible

Parameters

Type	Name	Description
TToken	token
FSMI	instruction
TTokenType[]	types

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken
TTokenType

IsAnyOrAbort<TToken>(TToken, Int32[])

Advances FSM when token's type is any of specified or aborts FSM

Declaration

public static FSMI IsAnyOrAbort<TToken>(this TToken token, params int[] types)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.Int32[]	types

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

IsAnyOrAbort<TToken>(TToken, String[])

Advances FSM when token's text is any of specified or aborts FSM

Declaration

public static FSMI IsAnyOrAbort<TToken>(this TToken token, params string[] texts)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.String[]	texts

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

IsAnyOrAbort<TToken>(TToken, StringComparison, String[])

Advances FSM when token's text is any of specified or aborts FSM

Declaration

public static FSMI IsAnyOrAbort<TToken>(this TToken token, StringComparison comparison, params string[] texts)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.StringComparison	comparison
System.String[]	texts

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

IsAnyOrAbort<TToken, TTokenType>(TToken, TTokenType[])

Advances FSM when token's type is any of specified or aborts FSM

Declaration

public static FSMI IsAnyOrAbort<TToken, TTokenType>(this TToken token, params TTokenType[] types)

    where TToken : Token where TTokenType : struct, IConvertible

Parameters

Type	Name	Description
TToken	token
TTokenType[]	types

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken
TTokenType

LazyFSM<TToken>(IEnumerable<TToken>, LazyFSMPredicate<TToken>[])

Makes finite state machine fed from IEnumerable(Token) only considering primary language tokens

Declaration

public static TToken LazyFSM<TToken>(this IEnumerable<TToken> tokens, params LazyFSMPredicate<TToken>[] predicates)

    where TToken : Token

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<TToken>	tokens	Token enumerable
LazyFSMPredicate<TToken>[]	predicates	Predicates that supply machine state transition instructions

Returns

Type	Description
TToken	Resulting token fetched by FSMI.Take instruction or null

Type Parameters

Name	Description
TToken	Concrete language-typed token

LazyFSM<TToken>(IEnumerable<TToken>, Boolean, LazyFSMPredicate<TToken>[])

Makes finite state machine fed from IEnumerable(Token)

Declaration

public static TToken LazyFSM<TToken>(this IEnumerable<TToken> tokens, bool onlyPrimary, params LazyFSMPredicate<TToken>[] predicates)

    where TToken : Token

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<TToken>	tokens	Token enumerable
System.Boolean	onlyPrimary	Sets filter to consider only primary language tokens (skip comments, directives, etc.)
LazyFSMPredicate<TToken>[]	predicates	Predicates that supply machine state transition instructions

Returns

Type	Description
TToken	Resulting token fetched by FSMI.Take instruction or null

Type Parameters

Name	Description
TToken	Concrete language-typed token

LazyFSM<TToken>(IEnumerable<TToken>, Boolean, ref LazyFSMState<TToken>, LazyFSMPredicate<TToken>[])

Makes finite state machine fed from IEnumerable(Token)

Declaration

public static TToken LazyFSM<TToken>(this IEnumerable<TToken> tokens, bool onlyPrimary, ref LazyFSMState<TToken> state, params LazyFSMPredicate<TToken>[] predicates)

    where TToken : Token

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<TToken>	tokens	Token enumerable
System.Boolean	onlyPrimary	Sets filter to consider only primary language tokens (skip comments, directives, etc.)
LazyFSMState<TToken>	state	Machine's state which will be allocated if null passed
LazyFSMPredicate<TToken>[]	predicates	Predicates that supply machine state transition instructions

Returns

Type	Description
TToken	Resulting token fetched by FSMI.Take instruction or null

Type Parameters

Name	Description
TToken	Concrete language-typed token

LoopUntilAfterMatch<TToken>(LazyFSMState<TToken>, LazyFSMPredicate<TToken>[])

Loops until token pattern match succeeds. This method matches using the same primary token filter as the parent match. Keeps state machine if match was found on the first token that follows the match

Declaration

public static FSMI LoopUntilAfterMatch<TToken>(this LazyFSMState<TToken> state, params LazyFSMPredicate<TToken>[] predicates)

    where TToken : Token

Parameters

Type	Name	Description
LazyFSMState<TToken>	state
LazyFSMPredicate<TToken>[]	predicates

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

LoopUntilAny<TToken>(TToken, Int32[])

Advances FSM when token's type is any of specified or loops FSM

Declaration

public static FSMI LoopUntilAny<TToken>(this TToken token, params int[] types)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.Int32[]	types

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

LoopUntilAny<TToken>(TToken, String[])

Advances FSM when token's text is any of specified or loops FSM

Declaration

public static FSMI LoopUntilAny<TToken>(this TToken token, params string[] texts)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.String[]	texts

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

LoopUntilAny<TToken>(TToken, StringComparison, String[])

Advances FSM when token's text is any of specified or loops FSM

Declaration

public static FSMI LoopUntilAny<TToken>(this TToken token, StringComparison comparison, params string[] texts)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.StringComparison	comparison
System.String[]	texts

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

LoopUntilAny<TToken, TTokenType>(TToken, TTokenType[])

Advances FSM when token's type is any of specified or loops FSM

Declaration

public static FSMI LoopUntilAny<TToken, TTokenType>(this TToken token, params TTokenType[] types)

    where TToken : Token where TTokenType : struct, IConvertible

Parameters

Type	Name	Description
TToken	token
TTokenType[]	types

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken
TTokenType

LoopUntilMatch<TToken>(LazyFSMState<TToken>, LazyFSMPredicate<TToken>[])

Loops until token pattern match succeeds, considering only primary language tokens. Keeps state machine if match was found on the first matching token

Declaration

public static FSMI LoopUntilMatch<TToken>(this LazyFSMState<TToken> state, params LazyFSMPredicate<TToken>[] predicates)

    where TToken : Token

Parameters

Type	Name	Description
LazyFSMState<TToken>	state
LazyFSMPredicate<TToken>[]	predicates

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

LoopUntilMatch<TToken>(LazyFSMState<TToken>, Boolean, LazyFSMPredicate<TToken>[])

Loops until token pattern match succeeds, conditionaly considering only primary language tokens. Keeps state machine if match was found on the first matching token

Declaration

public static FSMI LoopUntilMatch<TToken>(this LazyFSMState<TToken> state, bool onlyPrimary, params LazyFSMPredicate<TToken>[] predicates)

    where TToken : Token

Parameters

Type	Name	Description
LazyFSMState<TToken>	state
System.Boolean	onlyPrimary
LazyFSMPredicate<TToken>[]	predicates

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

LoopWhileAnyOrAbort<TToken>(TToken, Int32[])

Loops FSM while token's type is any of the specified or aborts

Declaration

public static FSMI LoopWhileAnyOrAbort<TToken>(this TToken token, params int[] types)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.Int32[]	types

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

LoopWhileAnyOrAbort<TToken>(TToken, String[])

Loops FSM while token's text is any of the specified or aborts

Declaration

public static FSMI LoopWhileAnyOrAbort<TToken>(this TToken token, params string[] texts)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.String[]	texts

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

LoopWhileAnyOrAbort<TToken>(TToken, StringComparison, String[])

Loops FSM while token's text is any of the specified or aborts

Declaration

public static FSMI LoopWhileAnyOrAbort<TToken>(this TToken token, StringComparison comparison, params string[] texts)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.StringComparison	comparison
System.String[]	texts

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

LoopWhileAnyOrAbort<TToken, TTokenType>(TToken, TTokenType[])

Loops FSM while token's type is any of the specified or aborts

Declaration

public static FSMI LoopWhileAnyOrAbort<TToken, TTokenType>(this TToken token, params TTokenType[] types)

    where TToken : Token where TTokenType : struct, IConvertible

Parameters

Type	Name	Description
TToken	token
TTokenType[]	types

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken
TTokenType

Skip<TToken>(LazyFSMState<TToken>, Int32)

Skips specified number of tokens by returning FSMI.Loop count times

Declaration

public static FSMI Skip<TToken>(this LazyFSMState<TToken> state, int count)

    where TToken : Token

Parameters

Type	Name	Description
LazyFSMState<TToken>	state
System.Int32	count

Returns

Type	Description
FSMI

Type Parameters

Name	Description
TToken

TextIsAnyOf<TToken>(TToken, String[])

Returns true when token's text is any of specified

Declaration

public static bool TextIsAnyOf<TToken>(this TToken token, params string[] texts)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.String[]	texts

Returns

Type	Description
System.Boolean

Type Parameters

Name	Description
TToken

TextIsAnyOf<TToken>(TToken, StringComparison, String[])

Returns true when token's text is any of specified

Declaration

public static bool TextIsAnyOf<TToken>(this TToken token, StringComparison comparison, params string[] texts)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.StringComparison	comparison
System.String[]	texts

Returns

Type	Description
System.Boolean

Type Parameters

Name	Description
TToken

TypeIsAnyOf<TToken>(TToken, Int32[])

Returns true when token's type is any of the specified

Declaration

public static bool TypeIsAnyOf<TToken>(this TToken token, params int[] types)

    where TToken : Token

Parameters

Type	Name	Description
TToken	token
System.Int32[]	types

Returns

Type	Description
System.Boolean

Type Parameters

Name	Description
TToken

TypeIsAnyOf<TToken, TTokenType>(TToken, TTokenType[])

Returns true when token's type is any of the specified

Declaration

public static bool TypeIsAnyOf<TToken, TTokenType>(this TToken token, params TTokenType[] types)

    where TToken : Token where TTokenType : struct, IConvertible

Parameters

Type	Name	Description
TToken	token
TTokenType[]	types

Returns

Type	Description
System.Boolean

Type Parameters

Name	Description
TToken
TTokenType