Make procedure name after the end
This commit is contained in:
@ -80,7 +80,8 @@ TYPE
|
||||
);
|
||||
LexerToken = RECORD
|
||||
CASE Kind: LexerKind OF
|
||||
lexerKindBoolean: booleanKind: BOOLEAN
|
||||
lexerKindBoolean: booleanKind: BOOLEAN |
|
||||
lexerKindIdentifier: identifierKind: ARRAY[1..256] OF CHAR
|
||||
END
|
||||
END;
|
||||
PLexerToken = POINTER TO LexerToken;
|
||||
|
||||
@ -5,7 +5,7 @@ FROM SYSTEM IMPORT ADR;
|
||||
|
||||
FROM Storage IMPORT DEALLOCATE, ALLOCATE;
|
||||
FROM Strings IMPORT Length;
|
||||
FROM MemUtils IMPORT MemZero;
|
||||
FROM MemUtils IMPORT MemCopy, MemZero;
|
||||
FROM StrCase IMPORT Lower;
|
||||
|
||||
CONST
|
||||
@ -201,7 +201,6 @@ BEGIN
|
||||
Classification[127] := transitionClassSingle; (* ~ *)
|
||||
Classification[128] := transitionClassInvalid (* DEL *)
|
||||
END InitializeClassification;
|
||||
|
||||
PROCEDURE CompareKeyword(Keyword: ARRAY OF CHAR; TokenStart: PLexerBuffer; TokenEnd: PLexerBuffer): BOOLEAN;
|
||||
VAR
|
||||
Result: BOOLEAN;
|
||||
@ -218,19 +217,16 @@ BEGIN
|
||||
Result := (Index = Length(Keyword)) AND (TokenStart = TokenEnd) AND Result;
|
||||
RETURN Result
|
||||
END CompareKeyword;
|
||||
|
||||
(* Reached the end of file. *)
|
||||
PROCEDURE TransitionActionEof(ALexer: PLexer; AToken: PLexerToken);
|
||||
BEGIN
|
||||
AToken^.Kind := lexerKindEof
|
||||
END TransitionActionEof;
|
||||
|
||||
(* Add the character to the token currently read and advance to the next character. *)
|
||||
PROCEDURE TransitionActionAccumulate(ALexer: PLexer; AToken: PLexerToken);
|
||||
BEGIN
|
||||
INC(ALexer^.Current)
|
||||
END TransitionActionAccumulate;
|
||||
|
||||
(* The current character is not a part of the token. Finish the token already
|
||||
* read. Don't advance to the next character. *)
|
||||
PROCEDURE TransitionActionFinalize(ALexer: PLexer; AToken: PLexerToken);
|
||||
@ -254,7 +250,6 @@ BEGIN
|
||||
AToken^.Kind := lexerKindDot
|
||||
END
|
||||
END TransitionActionFinalize;
|
||||
|
||||
(* An action for tokens containing multiple characters. *)
|
||||
PROCEDURE TransitionActionComposite(ALexer: PLexer; AToken: PLexerToken);
|
||||
BEGIN
|
||||
@ -277,14 +272,12 @@ BEGIN
|
||||
END;
|
||||
INC(ALexer^.Current)
|
||||
END TransitionActionComposite;
|
||||
|
||||
(* Skip a space. *)
|
||||
PROCEDURE TransitionActionSkip(ALexer: PLexer; AToken: PLexerToken);
|
||||
BEGIN
|
||||
INC(ALexer^.Current);
|
||||
INC(ALexer^.Start)
|
||||
END TransitionActionSkip;
|
||||
|
||||
(* Delimited string action. *)
|
||||
PROCEDURE TransitionActionDelimited(ALexer: PLexer; AToken: PLexerToken);
|
||||
BEGIN
|
||||
@ -299,12 +292,14 @@ BEGIN
|
||||
END;
|
||||
INC(ALexer^.Current)
|
||||
END TransitionActionDelimited;
|
||||
|
||||
(* Finalize keyword or identifier. *)
|
||||
PROCEDURE TransitionActionKeyId(ALexer: PLexer; AToken: PLexerToken);
|
||||
BEGIN
|
||||
AToken^.Kind := lexerKindIdentifier;
|
||||
|
||||
AToken^.identifierKind[1] := ALexer^.Current - ALexer^.Start;
|
||||
MemCopy(ALexer^.Start, ORD(AToken^.identifierKind[1]), ADR(AToken^.identifierKind[2]));
|
||||
|
||||
IF CompareKeyword('PROGRAM', ALexer^.Start, ALexer^.Current) THEN
|
||||
AToken^.Kind := lexerKindProgram
|
||||
END;
|
||||
@ -401,7 +396,6 @@ BEGIN
|
||||
AToken^.booleanKind := FALSE
|
||||
END
|
||||
END TransitionActionKeyId;
|
||||
|
||||
(* Action for tokens containing only one character. The character cannot be
|
||||
* followed by other characters forming a composite token. *)
|
||||
PROCEDURE TransitionActionSingle(ALexer: PLexer; AToken: PLexerToken);
|
||||
@ -450,13 +444,11 @@ BEGIN
|
||||
END;
|
||||
INC(ALexer^.Current)
|
||||
END TransitionActionSingle;
|
||||
|
||||
(* Handle an integer literal. *)
|
||||
PROCEDURE TransitionActionInteger(ALexer: PLexer; AToken: PLexerToken);
|
||||
BEGIN
|
||||
AToken^.Kind := lexerKindInteger
|
||||
END TransitionActionInteger;
|
||||
|
||||
PROCEDURE SetDefaultTransition(CurrentState: TransitionState; DefaultAction: TransitionAction; NextState: TransitionState);
|
||||
VAR
|
||||
DefaultTransition: Transition;
|
||||
@ -487,7 +479,6 @@ BEGIN
|
||||
Transitions[ORD(CurrentState)][ORD(transitionClassLess)] := DefaultTransition;
|
||||
Transitions[ORD(CurrentState)][ORD(transitionClassOther)] := DefaultTransition
|
||||
END SetDefaultTransition;
|
||||
|
||||
(*
|
||||
* The transition table describes transitions from one state to another, given
|
||||
* a symbol (character class).
|
||||
@ -741,7 +732,6 @@ BEGIN
|
||||
Transitions[ORD(transitionStateDecimalSuffix)][ORD(transitionClassX)].Action := NIL;
|
||||
Transitions[ORD(transitionStateDecimalSuffix)][ORD(transitionClassX)].NextState := transitionStateEnd
|
||||
END InitializeTransitions;
|
||||
|
||||
PROCEDURE LexerInitialize(ALexer: PLexer; Input: File);
|
||||
BEGIN
|
||||
ALexer^.Input := Input;
|
||||
@ -751,7 +741,6 @@ BEGIN
|
||||
MemZero(ALexer^.Buffer, ChunkSize);
|
||||
ALexer^.Size := ChunkSize
|
||||
END LexerInitialize;
|
||||
|
||||
PROCEDURE LexerCurrent(ALexer: PLexer): LexerToken;
|
||||
VAR
|
||||
CurrentClass: TransitionClass;
|
||||
@ -773,7 +762,6 @@ BEGIN
|
||||
END;
|
||||
RETURN Result
|
||||
END LexerCurrent;
|
||||
|
||||
PROCEDURE LexerLex(ALexer: PLexer): LexerToken;
|
||||
VAR
|
||||
Result: LexerToken;
|
||||
@ -787,12 +775,10 @@ BEGIN
|
||||
Result := LexerCurrent(ALexer);
|
||||
RETURN Result
|
||||
END LexerLex;
|
||||
|
||||
PROCEDURE LexerDestroy(ALexer: PLexer);
|
||||
BEGIN
|
||||
DEALLOCATE(ALexer^.Buffer, ALexer^.Size)
|
||||
END LexerDestroy;
|
||||
|
||||
BEGIN
|
||||
InitializeClassification();
|
||||
InitializeTransitions()
|
||||
|
||||
@ -25,14 +25,12 @@ BEGIN
|
||||
|
||||
RETURN Result
|
||||
END TranspilerLex;
|
||||
|
||||
(* Write a semicolon followed by a newline. *)
|
||||
PROCEDURE WriteSemicolon();
|
||||
BEGIN
|
||||
WriteString(';');
|
||||
WriteLn()
|
||||
END WriteSemicolon;
|
||||
|
||||
PROCEDURE TranspileImport(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -59,7 +57,6 @@ BEGIN
|
||||
WriteSemicolon();
|
||||
Token := TranspilerLex(ALexer)
|
||||
END TranspileImport;
|
||||
|
||||
PROCEDURE TranspileImportPart(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -72,7 +69,6 @@ BEGIN
|
||||
END;
|
||||
WriteLn()
|
||||
END TranspileImportPart;
|
||||
|
||||
PROCEDURE TranspileConstant(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -91,7 +87,6 @@ BEGIN
|
||||
Token := TranspilerLex(ALexer);
|
||||
WriteSemicolon()
|
||||
END TranspileConstant;
|
||||
|
||||
PROCEDURE TranspileConstantPart(AContext: PTranspilerContext; ALexer: PLexer): BOOLEAN;
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -112,7 +107,6 @@ BEGIN
|
||||
END;
|
||||
RETURN Result
|
||||
END TranspileConstantPart;
|
||||
|
||||
PROCEDURE TranspileModule(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -149,16 +143,19 @@ BEGIN
|
||||
WriteLn()
|
||||
END;
|
||||
TranspileProcedurePart(AContext, ALexer);
|
||||
TranspileStatementPart(AContext, ALexer);
|
||||
|
||||
Token := LexerCurrent(ALexer);
|
||||
WHILE Token.Kind <> lexerKindEof DO
|
||||
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start);
|
||||
WriteLn();
|
||||
WriteString('END ');
|
||||
|
||||
Token := TranspilerLex(ALexer)
|
||||
END
|
||||
Token := TranspilerLex(ALexer);
|
||||
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start);
|
||||
|
||||
Token := TranspilerLex(ALexer);
|
||||
Write('.');
|
||||
|
||||
Token := TranspilerLex(ALexer);
|
||||
WriteLn()
|
||||
END TranspileModule;
|
||||
|
||||
PROCEDURE TranspileTypeFields(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -181,7 +178,6 @@ BEGIN
|
||||
WriteLn()
|
||||
END
|
||||
END TranspileTypeFields;
|
||||
|
||||
PROCEDURE TranspileRecordType(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -191,7 +187,6 @@ BEGIN
|
||||
TranspileTypeFields(AContext, ALexer);
|
||||
WriteString(' END')
|
||||
END TranspileRecordType;
|
||||
|
||||
PROCEDURE TranspilePointerType(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -204,7 +199,6 @@ BEGIN
|
||||
END;
|
||||
TranspileTypeExpression(AContext, ALexer)
|
||||
END TranspilePointerType;
|
||||
|
||||
PROCEDURE TranspileArrayType(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -228,7 +222,6 @@ BEGIN
|
||||
WriteString(' OF ');
|
||||
TranspileTypeExpression(AContext, ALexer)
|
||||
END TranspileArrayType;
|
||||
|
||||
PROCEDURE TranspileEnumerationType(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -255,12 +248,10 @@ BEGIN
|
||||
WriteLn();
|
||||
WriteString(' )')
|
||||
END TranspileEnumerationType;
|
||||
|
||||
PROCEDURE TranspileUnionType(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
END TranspileUnionType;
|
||||
|
||||
PROCEDURE TranspileProcedureType(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -282,7 +273,6 @@ BEGIN
|
||||
END;
|
||||
Write(')')
|
||||
END TranspileProcedureType;
|
||||
|
||||
PROCEDURE TranspileTypeExpression(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -308,7 +298,6 @@ BEGIN
|
||||
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start)
|
||||
END
|
||||
END TranspileTypeExpression;
|
||||
|
||||
PROCEDURE TranspileTypeDeclaration(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -324,7 +313,6 @@ BEGIN
|
||||
Token := TranspilerLex(ALexer);
|
||||
WriteSemicolon();
|
||||
END TranspileTypeDeclaration;
|
||||
|
||||
PROCEDURE TranspileTypePart(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -343,7 +331,6 @@ BEGIN
|
||||
WriteLn()
|
||||
END
|
||||
END TranspileTypePart;
|
||||
|
||||
PROCEDURE TranspileVariableDeclaration(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -359,7 +346,6 @@ BEGIN
|
||||
Token := TranspilerLex(ALexer);
|
||||
WriteSemicolon()
|
||||
END TranspileVariableDeclaration;
|
||||
|
||||
PROCEDURE TranspileVariablePart(AContext: PTranspilerContext; ALexer: PLexer): BOOLEAN;
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -380,15 +366,15 @@ BEGIN
|
||||
END;
|
||||
RETURN Result
|
||||
END TranspileVariablePart;
|
||||
|
||||
PROCEDURE TranspileProcedureHeading(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
PROCEDURE TranspileProcedureHeading(AContext: PTranspilerContext; ALexer: PLexer): LexerToken;
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
Result: LexerToken;
|
||||
WrittenBytes: CARDINAL;
|
||||
BEGIN
|
||||
WriteString('PROCEDURE ');
|
||||
|
||||
Token := TranspilerLex(ALexer);
|
||||
Result := TranspilerLex(ALexer);
|
||||
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start);
|
||||
|
||||
Token := TranspilerLex(ALexer);
|
||||
@ -420,9 +406,10 @@ BEGIN
|
||||
Token := TranspilerLex(ALexer)
|
||||
END;
|
||||
Token := TranspilerLex(ALexer);
|
||||
WriteSemicolon()
|
||||
END TranspileProcedureHeading;
|
||||
WriteSemicolon();
|
||||
|
||||
RETURN Result
|
||||
END TranspileProcedureHeading;
|
||||
PROCEDURE TranspileIfStatement(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -442,7 +429,6 @@ BEGIN
|
||||
WriteString(' END');
|
||||
Token := TranspilerLex(ALexer)
|
||||
END TranspileIfStatement;
|
||||
|
||||
PROCEDURE TranspileWhileStatement(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -462,7 +448,6 @@ BEGIN
|
||||
WriteString(' END');
|
||||
Token := TranspilerLex(ALexer)
|
||||
END TranspileWhileStatement;
|
||||
|
||||
PROCEDURE TranspileAssignmentStatement(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -477,7 +462,6 @@ BEGIN
|
||||
Token := TranspilerLex(ALexer)
|
||||
END
|
||||
END TranspileAssignmentStatement;
|
||||
|
||||
PROCEDURE TranspileCallStatement(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -491,7 +475,6 @@ BEGIN
|
||||
Token := TranspilerLex(ALexer)
|
||||
END
|
||||
END TranspileCallStatement;
|
||||
|
||||
PROCEDURE TranspileReturnStatement(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -502,7 +485,6 @@ BEGIN
|
||||
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start);
|
||||
Token := TranspilerLex(ALexer)
|
||||
END TranspileReturnStatement;
|
||||
|
||||
PROCEDURE TranspileStatement(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -548,6 +530,16 @@ BEGIN
|
||||
Write('^');
|
||||
Token := TranspilerLex(ALexer)
|
||||
END;
|
||||
WHILE Token.Kind = lexerKindLeftSquare DO
|
||||
Write('[');
|
||||
Token := TranspilerLex(ALexer);
|
||||
WHILE Token.Kind <> lexerKindRightSquare DO
|
||||
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start);
|
||||
Token := TranspilerLex(ALexer)
|
||||
END;
|
||||
Write(']');
|
||||
Token := TranspilerLex(ALexer);
|
||||
END;
|
||||
|
||||
IF Token.Kind = lexerKindAssignment THEN
|
||||
TranspileAssignmentStatement(AContext, ALexer)
|
||||
@ -557,7 +549,6 @@ BEGIN
|
||||
END
|
||||
END
|
||||
END TranspileStatement;
|
||||
|
||||
PROCEDURE TranspileStatements(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -574,7 +565,6 @@ BEGIN
|
||||
WriteLn()
|
||||
END
|
||||
END TranspileStatements;
|
||||
|
||||
PROCEDURE TranspileStatementPart(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -586,25 +576,24 @@ BEGIN
|
||||
TranspileStatements(AContext, ALexer)
|
||||
END
|
||||
END TranspileStatementPart;
|
||||
|
||||
PROCEDURE TranspileProcedureDeclaration(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
SeenPart: BOOLEAN;
|
||||
WrittenBytes: CARDINAL;
|
||||
BEGIN
|
||||
TranspileProcedureHeading(AContext, ALexer);
|
||||
Token := TranspileProcedureHeading(AContext, ALexer);
|
||||
SeenPart := TranspileConstantPart(AContext, ALexer);
|
||||
SeenPart := TranspileVariablePart(AContext, ALexer);
|
||||
TranspileStatementPart(AContext, ALexer);
|
||||
|
||||
WriteString('END ');
|
||||
Token := TranspilerLex(ALexer);
|
||||
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start);
|
||||
WrittenBytes := WriteNBytes(StdOut, ORD(Token.identifierKind[1]), ADR(Token.identifierKind[2]));
|
||||
|
||||
Token := TranspilerLex(ALexer);
|
||||
WriteSemicolon();
|
||||
Token := TranspilerLex(ALexer)
|
||||
END TranspileProcedureDeclaration;
|
||||
|
||||
PROCEDURE TranspileProcedurePart(AContext: PTranspilerContext; ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -617,7 +606,6 @@ BEGIN
|
||||
WriteLn()
|
||||
END
|
||||
END TranspileProcedurePart;
|
||||
|
||||
PROCEDURE Transpile(ALexer: PLexer);
|
||||
VAR
|
||||
Token: LexerToken;
|
||||
@ -626,5 +614,4 @@ VAR
|
||||
BEGIN
|
||||
TranspileModule(ADR(Context), ALexer)
|
||||
END Transpile;
|
||||
|
||||
END Transpiler.
|
||||
|
||||
Reference in New Issue
Block a user