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Use uppercase field names in Token

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This commit is contained in:
Brandon Dyck 2023-07-25 13:19:07 -06:00
parent 64fac5a9fb
commit a7421927ae
4 changed files with 23 additions and 23 deletions
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6
AST.cs
View File

@ -11,7 +11,7 @@ public partial record Variable
{
public override string ToString()
{
return this.Value.lexeme;
return this.Value.Lexeme;
}
}
@ -19,7 +19,7 @@ public partial record Binary
{
public override string ToString()
{
return $"Binary {{ Left = {this.Left}, Op = {this.Op.lexeme}, Right = {this.Right} }}";
return $"Binary {{ Left = {this.Left}, Op = {this.Op.Lexeme}, Right = {this.Right} }}";
}
}
@ -39,7 +39,7 @@ public partial record SimplePattern
{
return "_";
}
return this.Identifier.lexeme;
return this.Identifier.Lexeme;
}
}

20
Interpreter.cs
View File

@ -35,7 +35,7 @@ public class Env
{
set
{
var name = (string)identifier.literal!;
var name = (string)identifier.Literal!;
if (values.ContainsKey(name))
{
// TODO use real location info
@ -45,7 +45,7 @@ public class Env
}
get
{
var name = (string)identifier.literal!;
var name = (string)identifier.Literal!;
try
{
return values[name];
@ -98,7 +98,7 @@ public class Interpreter : AST.IExprVisitor<Env, object>
var removedLabels = new List<string>();
foreach (var field in pattern.Fields)
{
string name = (string)field.Name.literal!;
string name = (string)field.Name.Literal!;
removedLabels.Add(name);
var fieldValue = r.Get(name);
field.accept((fieldValue, env), this);
@ -130,7 +130,7 @@ public class Interpreter : AST.IExprVisitor<Env, object>
switch (obj)
{
case Variant v:
var tag = (string)pattern.Tag.literal!;
var tag = (string)pattern.Tag.Literal!;
if (v.Tag != tag)
{
throw new PatternTagMismatchException(tag, v.Tag);
@ -341,7 +341,7 @@ public class Interpreter : AST.IExprVisitor<Env, object>
var left = evaluate(env, expr.Left);
var right = evaluate(env, expr.Right);
switch (expr.Op.type)
switch (expr.Op.Type)
{
case TokenType.Minus:
checkNumberOperands(expr.Op, left, right);
@ -504,7 +504,7 @@ public class Interpreter : AST.IExprVisitor<Env, object>
HashSet<string> updateLabels = new HashSet<string>();
foreach (AST.Field update in expr.Base.Updates)
{
var label = (string)update.Name.literal!;
var label = (string)update.Name.Literal!;
if (updateLabels.Contains(label))
{
throw new RuntimeError(tok, "Record updates must be to unique fields.");
@ -527,7 +527,7 @@ public class Interpreter : AST.IExprVisitor<Env, object>
HashSet<string> extLabels = new HashSet<string>();
foreach (AST.Field extension in expr.Extensions)
{
var label = (string)extension.Name.literal!;
var label = (string)extension.Name.Literal!;
if (extLabels.Contains(label))
{
throw new RuntimeError(tok, "Record extensions must have unique field names.");
@ -549,7 +549,7 @@ public class Interpreter : AST.IExprVisitor<Env, object>
var r = checkRecordOperand(tok, left);
try
{
return r.Get((string)expr.FieldName.literal!);
return r.Get((string)expr.FieldName.Literal!);
}
catch
{
@ -566,7 +566,7 @@ public class Interpreter : AST.IExprVisitor<Env, object>
public object visitUnaryExpr(Env env, AST.Unary expr)
{
object right = evaluate(env, expr.Right);
switch (expr.Op.type)
switch (expr.Op.Type)
{
case TokenType.Minus:
checkNumberOperand(expr.Op, right);
@ -588,7 +588,7 @@ public class Interpreter : AST.IExprVisitor<Env, object>
public object visitVariantExpr(Env env, AST.Variant expr)
{
var tag = (string)expr.Tag.literal!;
var tag = (string)expr.Tag.Literal!;
if (expr.Argument == null)
{
return new Variant(tag, null);

10
Parser.cs
View File

@ -47,7 +47,7 @@ class Parser
private bool check(params TokenType[] types)
{
if (isAtEnd()) return false;
return Array.IndexOf(types, peek().type) >= 0;
return Array.IndexOf(types, peek().Type) >= 0;
}
private Token advance()
@ -58,7 +58,7 @@ class Parser
private bool isAtEnd()
{
return peek().type == TokenType.EOF;
return peek().Type == TokenType.EOF;
}
private Token peek()
@ -89,7 +89,7 @@ class Parser
while (!isAtEnd())
{
switch (peek().type)
switch (peek().Type)
{
case TokenType.Def:
case TokenType.Type:
@ -357,8 +357,8 @@ class Parser
{
if (match(TokenType.Number, TokenType.String))
{
object literal = previous().literal!;
return new Literal(previous().literal!);
object literal = previous().Literal!;
return new Literal(previous().Literal!);
}
if (match(TokenType.Identifier, TokenType.QuotedIdentifier))

10
Program.cs
View File

@ -82,19 +82,19 @@ class Program
public static void error(Token token, String message)
{
if (token.type == TokenType.EOF)
if (token.Type == TokenType.EOF)
{
report(token.position, " at end", message);
report(token.Position, " at end", message);
}
else
{
report(token.position, " at '" + token.lexeme + "'", message);
report(token.Position, " at '" + token.Lexeme + "'", message);
}
}
public static void runtimeError(RuntimeError err)
{
Console.Error.WriteLine($"{err.Message}\n[{err.Token.position}]");
Console.Error.WriteLine($"{err.Message}\n[{err.Token.Position}]");
hadRuntimeError = true;
}
@ -167,7 +167,7 @@ public record struct Position(int Offset, int Line, int Column)
}
}
public record Token(TokenType type, String lexeme, Object? literal, Position position);
public record Token(TokenType Type, String Lexeme, Object? Literal, Position Position);
class Scanner
{