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add: constant parser and variable parser.

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This commit is contained in:
jackfiled
2024-08-16 17:07:53 +08:00
parent bdcc59a2ab
commit ed36546b30
10 changed files with 244 additions and 24 deletions
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8
CanonSharp.Pascal/SyntaxTree/CharValueNode.cs Normal file
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@@ -0,0 +1,8 @@
namespace CanonSharp.Pascal.SyntaxTree;
public sealed class CharValueNode(char value) : SyntaxNodeBase
{
public override SyntaxNodeType NodeType => SyntaxNodeType.CharValue;
public char Value => value;
}

12
CanonSharp.Pascal/SyntaxTree/ConstantNode.cs Normal file
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@@ -0,0 +1,12 @@
using CanonSharp.Pascal.Scanner;
namespace CanonSharp.Pascal.SyntaxTree;
public sealed class ConstantNode(LexicalToken identifier, SyntaxNodeBase value) : SyntaxNodeBase
{
public override SyntaxNodeType NodeType => SyntaxNodeType.Constant;
public LexicalToken Identifier = identifier;
public SyntaxNodeBase Value = value;
}

8
CanonSharp.Pascal/SyntaxTree/ProgramBody.cs
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@@ -1,8 +1,12 @@
namespace CanonSharp.Pascal.SyntaxTree;
public sealed class ProgramBody(BlockNode block) : SyntaxNodeBase
public sealed class ProgramBody(BlockNode constantDeclarations, BlockNode variableDeclarations, BlockNode mainBlock) : SyntaxNodeBase
{
public override SyntaxNodeType NodeType => SyntaxNodeType.ProgramBody;
public BlockNode MainBlock => block;
public BlockNode ConstantDeclarations => constantDeclarations;
public BlockNode VariableDeclarations => variableDeclarations;
public BlockNode MainBlock => mainBlock;
}

4
CanonSharp.Pascal/SyntaxTree/SyntaxNodeBase.cs
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@@ -7,9 +7,13 @@ public enum SyntaxNodeType
IntegerValue,
FloatValue,
BooleanValue,
CharValue,
Variable,
Type,
Assign,
Block,
Constant,
VariableDeclaration,
ProgramBody,
ProgramHead,
Program

10
CanonSharp.Pascal/SyntaxTree/TypeNode.cs Normal file
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@@ -0,0 +1,10 @@
using CanonSharp.Pascal.Scanner;
namespace CanonSharp.Pascal.SyntaxTree;
public sealed class TypeNode(LexicalToken typeToken) : SyntaxNodeBase
{
public override SyntaxNodeType NodeType => SyntaxNodeType.Type;
public LexicalToken TypeToken => typeToken;
}

12
CanonSharp.Pascal/SyntaxTree/VariableDeclarationNode.cs Normal file
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@@ -0,0 +1,12 @@
using CanonSharp.Pascal.Scanner;
namespace CanonSharp.Pascal.SyntaxTree;
public sealed class VariableDeclarationNode(IEnumerable<LexicalToken> identifiers, TypeNode typeNode) : SyntaxNodeBase
{
public override SyntaxNodeType NodeType => SyntaxNodeType.VariableDeclaration;
public IList<LexicalToken> Identifiers => identifiers.ToList();
public TypeNode TypeNode => typeNode;
}