596 lines
22 KiB
C#
596 lines
22 KiB
C#
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using Canon.Core.Enums;
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using Canon.Core.GrammarParser;
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namespace Canon.Tests.GrammarParserTests;
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public partial class PascalGrammarTests
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{
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private static readonly Dictionary<NonTerminator, List<List<TerminatorBase>>> s_pascalGrammar = new()
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{
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{
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// ProgramStart -> ProgramStruct
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new NonTerminator(NonTerminatorType.StartNonTerminator), [
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[new NonTerminator(NonTerminatorType.ProgramStruct)]
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]
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},
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{
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// ProgramStruct -> ProgramHead ; ProgramBody .
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new NonTerminator(NonTerminatorType.ProgramStruct), [
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[
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new NonTerminator(NonTerminatorType.ProgramHead),
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new Terminator(DelimiterType.Semicolon),
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new NonTerminator(NonTerminatorType.ProgramBody),
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new Terminator(DelimiterType.Period)
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]
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]
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},
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{
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// ProgramHead -> program id (IdList) | program id
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new NonTerminator(NonTerminatorType.ProgramHead), [
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[
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new Terminator(KeywordType.Program),
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Terminator.IdentifierTerminator,
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new Terminator(DelimiterType.LeftParenthesis),
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new NonTerminator(NonTerminatorType.IdentifierList),
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new Terminator(DelimiterType.RightParenthesis),
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],
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[
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new Terminator(KeywordType.Program),
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Terminator.IdentifierTerminator,
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]
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]
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},
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{
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// ProgramBody -> ConstDeclarations
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// VarDeclarations
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// SubprogramDeclarations
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// CompoundStatement
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new NonTerminator(NonTerminatorType.ProgramBody), [
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[
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new NonTerminator(NonTerminatorType.ConstDeclarations),
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new NonTerminator(NonTerminatorType.VarDeclarations),
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new NonTerminator(NonTerminatorType.SubprogramDeclarations),
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new NonTerminator(NonTerminatorType.CompoundStatement)
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]
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]
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},
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{
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// IdList -> id | IdList , id
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new NonTerminator(NonTerminatorType.IdentifierList), [
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[
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Terminator.IdentifierTerminator,
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],
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[
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new NonTerminator(NonTerminatorType.IdentifierList),
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new Terminator(DelimiterType.Comma),
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Terminator.IdentifierTerminator
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]
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]
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},
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{
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// ConstDeclarations -> ε | const ConstDeclaration ;
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new NonTerminator(NonTerminatorType.ConstDeclarations), [
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[
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Terminator.EmptyTerminator,
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],
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[
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new Terminator(KeywordType.Const),
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new NonTerminator(NonTerminatorType.ConstDeclaration),
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new Terminator(DelimiterType.Semicolon)
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]
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]
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},
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{
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// ConstDeclaration -> id = ConstValue | ConstDeclaration ; id = ConstValue
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new NonTerminator(NonTerminatorType.ConstDeclaration), [
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[
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Terminator.IdentifierTerminator,
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new Terminator(OperatorType.Equal),
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new NonTerminator(NonTerminatorType.ConstValue)
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],
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[
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new NonTerminator(NonTerminatorType.ConstDeclaration),
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new Terminator(DelimiterType.Semicolon),
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Terminator.IdentifierTerminator,
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new Terminator(OperatorType.Equal),
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new NonTerminator(NonTerminatorType.ConstValue)
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]
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]
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},
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{
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// ConstValue -> +num | -num | num | 'letter'
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new NonTerminator(NonTerminatorType.ConstValue), [
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[
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new Terminator(OperatorType.Plus), Terminator.NumberTerminator
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],
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[
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new Terminator(OperatorType.Minus), Terminator.NumberTerminator,
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],
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[
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Terminator.NumberTerminator,
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],
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[
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new Terminator(DelimiterType.SingleQuotation),
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Terminator.CharacterTerminator,
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new Terminator(DelimiterType.SingleQuotation),
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]
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]
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},
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{
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// VarDeclarations -> ε | var VarDeclaration ;
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new NonTerminator(NonTerminatorType.VarDeclarations), [
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[
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Terminator.EmptyTerminator
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],
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[
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new Terminator(KeywordType.Var),
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new NonTerminator(NonTerminatorType.VarDeclaration),
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new Terminator(DelimiterType.Semicolon)
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]
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]
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},
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{
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// VarDeclaration -> IdList : Type | VarDeclaration ; IdList : Type
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new NonTerminator(NonTerminatorType.VarDeclaration), [
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[
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new NonTerminator(NonTerminatorType.IdentifierList),
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new Terminator(DelimiterType.Colon),
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new NonTerminator(NonTerminatorType.Type)
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],
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[
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new NonTerminator(NonTerminatorType.VarDeclaration),
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new Terminator(DelimiterType.Semicolon),
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new NonTerminator(NonTerminatorType.IdentifierList),
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new Terminator(DelimiterType.Colon),
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new NonTerminator(NonTerminatorType.Type)
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]
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]
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},
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{
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// Type -> BasicType | Array [ Period ] of BasicType
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new NonTerminator(NonTerminatorType.Type), [
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[
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new NonTerminator(NonTerminatorType.BasicType)
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],
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[
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new Terminator(KeywordType.Array),
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new Terminator(DelimiterType.LeftSquareBracket),
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new NonTerminator(NonTerminatorType.Period),
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new Terminator(DelimiterType.RightSquareBracket),
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new Terminator(KeywordType.Of),
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new NonTerminator(NonTerminatorType.BasicType)
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]
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]
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},
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{
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// BasicType -> Integer | Real | Boolean | char
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new NonTerminator(NonTerminatorType.BasicType), [
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[
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new Terminator(KeywordType.Integer)
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],
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[
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new Terminator(KeywordType.Real)
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],
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[
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new Terminator(KeywordType.Boolean)
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],
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[
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new Terminator(KeywordType.Character)
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]
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]
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},
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{
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// Period -> digits .. digits | Period , digits .. digits
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new NonTerminator(NonTerminatorType.Period), [
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[
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Terminator.NumberTerminator,
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new Terminator(DelimiterType.DoubleDots),
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Terminator.NumberTerminator,
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],
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[
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new NonTerminator(NonTerminatorType.Period),
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new Terminator(DelimiterType.Comma),
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Terminator.NumberTerminator,
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new Terminator(DelimiterType.DoubleDots),
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Terminator.NumberTerminator,
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]
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]
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},
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{
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// SubprogramDeclarations -> ε | SubprogramDeclarations Subprogram ;
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new NonTerminator(NonTerminatorType.SubprogramDeclarations), [
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[
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Terminator.EmptyTerminator
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],
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[
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new NonTerminator(NonTerminatorType.SubprogramDeclarations),
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new NonTerminator(NonTerminatorType.Subprogram),
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new Terminator(DelimiterType.Semicolon)
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]
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]
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},
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{
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// Subprogram -> SubprogramHead ; SubprogramBody
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new NonTerminator(NonTerminatorType.Subprogram), [
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[
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new NonTerminator(NonTerminatorType.SubprogramHead),
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new Terminator(DelimiterType.Semicolon),
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new NonTerminator(NonTerminatorType.SubprogramBody)
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]
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]
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},
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{
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// SubprogramHead -> procedure id FormalParameter
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// | function id FormalParameter : BasicType
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new NonTerminator(NonTerminatorType.SubprogramHead), [
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[
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new Terminator(KeywordType.Procedure),
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Terminator.IdentifierTerminator,
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new NonTerminator(NonTerminatorType.FormalParameter)
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],
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[
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new Terminator(KeywordType.Function),
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Terminator.IdentifierTerminator,
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new NonTerminator(NonTerminatorType.FormalParameter),
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new Terminator(DelimiterType.Colon),
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new NonTerminator(NonTerminatorType.BasicType)
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]
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]
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},
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{
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// FormalParameter -> ε | ( ParameterList )
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new NonTerminator(NonTerminatorType.FormalParameter), [
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[
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Terminator.EmptyTerminator,
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],
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[
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new Terminator(DelimiterType.LeftParenthesis),
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new NonTerminator(NonTerminatorType.ParameterList),
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new Terminator(DelimiterType.RightParenthesis)
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]
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]
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},
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{
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// ParameterList -> Parameter | ParameterList ; Parameter
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new NonTerminator(NonTerminatorType.ParameterList), [
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[
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new NonTerminator(NonTerminatorType.Parameter)
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],
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[
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new NonTerminator(NonTerminatorType.ParameterList),
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new Terminator(DelimiterType.Semicolon),
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new NonTerminator(NonTerminatorType.Parameter)
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]
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]
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},
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{
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// Parameter -> VarParameter | ValueParameter
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new NonTerminator(NonTerminatorType.Parameter), [
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[
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new NonTerminator(NonTerminatorType.VarParameter)
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],
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[
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new NonTerminator(NonTerminatorType.ValueParameter)
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]
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]
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},
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{
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// VarParameter -> var ValueParameter
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new NonTerminator(NonTerminatorType.VarParameter), [
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[
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new Terminator(KeywordType.Var),
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new NonTerminator(NonTerminatorType.ValueParameter)
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]
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]
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},
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{
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// ValueParameter -> IdList : BasicType
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new NonTerminator(NonTerminatorType.ValueParameter), [
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[
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new NonTerminator(NonTerminatorType.IdentifierList),
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new Terminator(DelimiterType.Colon),
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new NonTerminator(NonTerminatorType.BasicType)
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]
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]
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},
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{
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// SubprogramBody -> ConstDeclarations
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// VarDeclarations
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// CompoundStatement
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new NonTerminator(NonTerminatorType.SubprogramBody), [
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[
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new NonTerminator(NonTerminatorType.ConstDeclarations),
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new NonTerminator(NonTerminatorType.VarDeclarations),
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new NonTerminator(NonTerminatorType.CompoundStatement)
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]
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]
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},
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{
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// CompoundStatement -> begin StatementList end
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new NonTerminator(NonTerminatorType.CompoundStatement), [
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[
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new Terminator(KeywordType.Begin),
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new NonTerminator(NonTerminatorType.StatementList),
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new Terminator(KeywordType.End)
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]
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]
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},
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{
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// StatementList -> Statement | StatementList ; Statement
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new NonTerminator(NonTerminatorType.StatementList), [
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[
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new NonTerminator(NonTerminatorType.Statement)
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],
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[
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new NonTerminator(NonTerminatorType.StatementList),
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new Terminator(DelimiterType.Semicolon),
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new NonTerminator(NonTerminatorType.Statement)
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]
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]
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},
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{
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// Statement -> ε
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// | Variable AssignOp Expression
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// | FuncId AssignOp Expression
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// | ProcedureCall
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// | CompoundStatement
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// | if Expression then Statement ElsePart
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// | for id AssignOp Expression to Expression do Statement
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// | read ( VariableList )
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// | write( ExpressionList )
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// 注意这里 read 和 write 作为普通的函数调用处理了
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// 因此下面并没有单独声明
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new NonTerminator(NonTerminatorType.Statement), [
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[
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// ε
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Terminator.EmptyTerminator,
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],
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[
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// Variable AssignOp Expression
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new NonTerminator(NonTerminatorType.Variable),
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new Terminator(OperatorType.Assign),
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new NonTerminator(NonTerminatorType.Expression)
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],
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[
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// FuncId AssignOp Expression
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Terminator.IdentifierTerminator,
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new Terminator(OperatorType.Assign),
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new NonTerminator(NonTerminatorType.Expression)
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],
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[
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// ProcedureCall
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new NonTerminator(NonTerminatorType.ProcedureCall)
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],
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[
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// CompoundStatement
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new NonTerminator(NonTerminatorType.CompoundStatement)
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],
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[
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// if Expression then Statement ElsePart
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new Terminator(KeywordType.If),
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new NonTerminator(NonTerminatorType.Expression),
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new Terminator(KeywordType.Then),
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new NonTerminator(NonTerminatorType.Statement),
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new NonTerminator(NonTerminatorType.ElsePart)
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],
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[
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// for id AssignOp Expression to Expression do Statement
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new Terminator(KeywordType.For),
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Terminator.IdentifierTerminator,
|
|||
|
|
new Terminator(OperatorType.Assign),
|
|||
|
|
new NonTerminator(NonTerminatorType.Expression),
|
|||
|
|
new Terminator(KeywordType.To),
|
|||
|
|
new NonTerminator(NonTerminatorType.Expression),
|
|||
|
|
new Terminator(KeywordType.Do),
|
|||
|
|
new NonTerminator(NonTerminatorType.Statement)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
// {
|
|||
|
|
// // VariableList -> Variable | VariableList , Variable
|
|||
|
|
// // 这里用expressionList代替VariableList
|
|||
|
|
// new NonTerminator(NonTerminatorType.ExpressionList), [
|
|||
|
|
// [
|
|||
|
|
// new NonTerminator(NonTerminatorType.Variable)
|
|||
|
|
// ],
|
|||
|
|
// [
|
|||
|
|
// new NonTerminator(NonTerminatorType.ExpressionList),
|
|||
|
|
// new Terminator(DelimiterType.Comma),
|
|||
|
|
// new NonTerminator(NonTerminatorType.Variable)
|
|||
|
|
// ]
|
|||
|
|
// ]
|
|||
|
|
// },
|
|||
|
|
{
|
|||
|
|
// Variable -> id IdVarPart
|
|||
|
|
new NonTerminator(NonTerminatorType.Variable), [
|
|||
|
|
[
|
|||
|
|
Terminator.IdentifierTerminator,
|
|||
|
|
new NonTerminator(NonTerminatorType.IdVarPart)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// IdVarPart -> ε | [ ExpressionList ]
|
|||
|
|
new NonTerminator(NonTerminatorType.IdVarPart), [
|
|||
|
|
[
|
|||
|
|
Terminator.EmptyTerminator,
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(DelimiterType.LeftSquareBracket),
|
|||
|
|
new NonTerminator(NonTerminatorType.ExpressionList),
|
|||
|
|
new Terminator(DelimiterType.RightSquareBracket)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// ProcedureCall -> id | id ( ExpressionList )
|
|||
|
|
new NonTerminator(NonTerminatorType.ProcedureCall), [
|
|||
|
|
[
|
|||
|
|
Terminator.IdentifierTerminator,
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
Terminator.IdentifierTerminator,
|
|||
|
|
new Terminator(DelimiterType.LeftParenthesis),
|
|||
|
|
new NonTerminator(NonTerminatorType.ExpressionList),
|
|||
|
|
new Terminator(DelimiterType.RightParenthesis)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// ElsePart -> ε | else statement
|
|||
|
|
new NonTerminator(NonTerminatorType.ElsePart), [
|
|||
|
|
[
|
|||
|
|
Terminator.EmptyTerminator,
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(KeywordType.Else),
|
|||
|
|
new NonTerminator(NonTerminatorType.Statement)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// ExpressionList -> Expression | ExpressionList , Expression
|
|||
|
|
new NonTerminator(NonTerminatorType.ExpressionList), [
|
|||
|
|
[
|
|||
|
|
new NonTerminator(NonTerminatorType.Expression)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new NonTerminator(NonTerminatorType.ExpressionList),
|
|||
|
|
new Terminator(DelimiterType.Comma),
|
|||
|
|
new NonTerminator(NonTerminatorType.Expression)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// Expression -> SimpleExpression | SimpleExpression RelationOperator SimpleExpression
|
|||
|
|
new NonTerminator(NonTerminatorType.Expression), [
|
|||
|
|
[
|
|||
|
|
new NonTerminator(NonTerminatorType.SimpleExpression)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new NonTerminator(NonTerminatorType.SimpleExpression),
|
|||
|
|
new NonTerminator(NonTerminatorType.RelationOperator),
|
|||
|
|
new NonTerminator(NonTerminatorType.SimpleExpression)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// SimpleExpression -> Term | SimpleExpression AddOperator Term
|
|||
|
|
new NonTerminator(NonTerminatorType.SimpleExpression), [
|
|||
|
|
[
|
|||
|
|
new NonTerminator(NonTerminatorType.Term)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new NonTerminator(NonTerminatorType.SimpleExpression),
|
|||
|
|
new NonTerminator(NonTerminatorType.AddOperator),
|
|||
|
|
new NonTerminator(NonTerminatorType.Term)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// Term -> Factor | Term MultiplyOperator Factor
|
|||
|
|
new NonTerminator(NonTerminatorType.Term), [
|
|||
|
|
[
|
|||
|
|
new NonTerminator(NonTerminatorType.Factor)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new NonTerminator(NonTerminatorType.Term),
|
|||
|
|
new NonTerminator(NonTerminatorType.MultiplyOperator),
|
|||
|
|
new NonTerminator(NonTerminatorType.Factor)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// Factor -> num | Variable
|
|||
|
|
// | ( Expression )
|
|||
|
|
// | id ( ExpressionList )
|
|||
|
|
// | not Factor
|
|||
|
|
// | minus Factor
|
|||
|
|
new NonTerminator(NonTerminatorType.Factor), [
|
|||
|
|
[
|
|||
|
|
Terminator.NumberTerminator,
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new NonTerminator(NonTerminatorType.Variable)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(DelimiterType.LeftParenthesis),
|
|||
|
|
new NonTerminator(NonTerminatorType.Expression),
|
|||
|
|
new Terminator(DelimiterType.RightParenthesis)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
Terminator.IdentifierTerminator,
|
|||
|
|
new Terminator(DelimiterType.LeftParenthesis),
|
|||
|
|
new NonTerminator(NonTerminatorType.ExpressionList),
|
|||
|
|
new Terminator(DelimiterType.RightParenthesis)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(KeywordType.Not),
|
|||
|
|
new NonTerminator(NonTerminatorType.Factor)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.Minus),
|
|||
|
|
new NonTerminator(NonTerminatorType.Factor)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// AddOperator -> + | - | or
|
|||
|
|
new NonTerminator(NonTerminatorType.AddOperator), [
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.Plus)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.Minus)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(KeywordType.Or)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// MultiplyOperator -> * | / | div | mod | and
|
|||
|
|
new NonTerminator(NonTerminatorType.MultiplyOperator), [
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.Multiply),
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.Divide),
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(KeywordType.Divide)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(KeywordType.Mod)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(KeywordType.And)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
// RelationOperator -> = | <> | < | <= | > | >=
|
|||
|
|
new NonTerminator(NonTerminatorType.RelationOperator), [
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.Equal)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.NotEqual)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.Less)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.LessEqual)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.Greater)
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
new Terminator(OperatorType.GreaterEqual)
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
}
|