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Handle ASCII codes > 128 in the tokenizer

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This commit is contained in:
Eugen Wissner
2025-05-30 19:51:18 +02:00
parent 15135f14d8
commit 5875fb28db
2 changed files with 128 additions and 120 deletions
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34
source/Lexer.mod
View File

@@ -72,6 +72,8 @@ VAR
transitions: ARRAY[1..16] OF TransitionClasses; transitions: ARRAY[1..16] OF TransitionClasses;
PROCEDURE initialize_classification(); PROCEDURE initialize_classification();
VAR
i: CARDINAL;
BEGIN BEGIN
classification[1] := transitionClassEof; (* NUL *) classification[1] := transitionClassEof; (* NUL *)
classification[2] := transitionClassInvalid; (* SOH *) classification[2] := transitionClassInvalid; (* SOH *)
@@ -200,23 +202,29 @@ BEGIN
classification[125] := transitionClassSingle; (* | *) classification[125] := transitionClassSingle; (* | *)
classification[126] := transitionClassOther; (* } *) classification[126] := transitionClassOther; (* } *)
classification[127] := transitionClassSingle; (* ~ *) classification[127] := transitionClassSingle; (* ~ *)
classification[128] := transitionClassInvalid (* DEL *) classification[128] := transitionClassInvalid; (* DEL *)
i := 129;
WHILE i <= 256 DO
classification[i] := transitionClassOther;
i := i + 1
END
END initialize_classification; END initialize_classification;
PROCEDURE compare_keyword(Keyword: ARRAY OF CHAR; TokenStart: PLexerBuffer; TokenEnd: PLexerBuffer): BOOLEAN; PROCEDURE compare_keyword(Keyword: ARRAY OF CHAR; TokenStart: PLexerBuffer; TokenEnd: PLexerBuffer): BOOLEAN;
VAR VAR
Result: BOOLEAN; result: BOOLEAN;
Index: CARDINAL; Index: CARDINAL;
BEGIN BEGIN
Index := 0; Index := 0;
Result := TRUE; result := TRUE;
WHILE (Index < Length(Keyword)) AND (TokenStart <> TokenEnd) AND Result DO WHILE (Index < Length(Keyword)) AND (TokenStart <> TokenEnd) AND result DO
Result := (Keyword[Index] = TokenStart^) OR (Lower(Keyword[Index]) = TokenStart^); result := (Keyword[Index] = TokenStart^) OR (Lower(Keyword[Index]) = TokenStart^);
INC(TokenStart); INC(TokenStart);
INC(Index) INC(Index)
END; END;
Result := (Index = Length(Keyword)) AND (TokenStart = TokenEnd) AND Result; result := (Index = Length(Keyword)) AND (TokenStart = TokenEnd) AND result;
RETURN Result RETURN result
END compare_keyword; END compare_keyword;
(* Reached the end of file. *) (* Reached the end of file. *)
PROCEDURE transition_action_eof(lexer: PLexer; AToken: PLexerToken); PROCEDURE transition_action_eof(lexer: PLexer; AToken: PLexerToken);
@@ -747,7 +755,7 @@ VAR
CurrentClass: TransitionClass; CurrentClass: TransitionClass;
CurrentState: TransitionState; CurrentState: TransitionState;
CurrentTransition: Transition; CurrentTransition: Transition;
Result: LexerToken; result: LexerToken;
BEGIN BEGIN
lexer^.Current := lexer^.Start; lexer^.Current := lexer^.Start;
CurrentState := transitionStateStart; CurrentState := transitionStateStart;
@@ -757,15 +765,15 @@ BEGIN
CurrentTransition := transitions[ORD(CurrentState) + 1][ORD(CurrentClass) + 1]; CurrentTransition := transitions[ORD(CurrentState) + 1][ORD(CurrentClass) + 1];
IF CurrentTransition.Action <> NIL THEN IF CurrentTransition.Action <> NIL THEN
CurrentTransition.Action(lexer, ADR(Result)) CurrentTransition.Action(lexer, ADR(result))
END; END;
CurrentState := CurrentTransition.NextState CurrentState := CurrentTransition.NextState
END; END;
RETURN Result RETURN result
END lexer_current; END lexer_current;
PROCEDURE lexer_lex(lexer: PLexer): LexerToken; PROCEDURE lexer_lex(lexer: PLexer): LexerToken;
VAR VAR
Result: LexerToken; result: LexerToken;
BEGIN BEGIN
IF lexer^.Length = 0 THEN IF lexer^.Length = 0 THEN
lexer^.Length := ReadNBytes(lexer^.Input, CHUNK_SIZE, lexer^.Buffer); lexer^.Length := ReadNBytes(lexer^.Input, CHUNK_SIZE, lexer^.Buffer);
@@ -773,8 +781,8 @@ BEGIN
END; END;
lexer^.Start := lexer^.Current; lexer^.Start := lexer^.Current;
Result := lexer_current(lexer); result := lexer_current(lexer);
RETURN Result RETURN result
END lexer_lex; END lexer_lex;
PROCEDURE lexer_destroy(lexer: PLexer); PROCEDURE lexer_destroy(lexer: PLexer);
BEGIN BEGIN

214
source/Transpiler.mod
View File

@@ -71,69 +71,69 @@ BEGIN
END transpile_import_part; END transpile_import_part;
PROCEDURE transpile_constant(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_constant(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
WriteString(' '); WriteString(' ');
Token := lexer_current(lexer); token := lexer_current(lexer);
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WriteString(' = '); WriteString(' = ');
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
write_semicolon() write_semicolon()
END transpile_constant; END transpile_constant;
PROCEDURE transpile_constant_part(context: PTranspilerContext; lexer: PLexer): BOOLEAN; PROCEDURE transpile_constant_part(context: PTranspilerContext; lexer: PLexer): BOOLEAN;
VAR VAR
Token: LexerToken; token: LexerToken;
result: BOOLEAN; result: BOOLEAN;
BEGIN BEGIN
Token := lexer_current(lexer); token := lexer_current(lexer);
result := Token.Kind = lexerKindConst; result := token.Kind = lexerKindConst;
IF result THEN IF result THEN
WriteString('CONST'); WriteString('CONST');
WriteLn(); WriteLn();
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WHILE Token.Kind = lexerKindIdentifier DO WHILE token.Kind = lexerKindIdentifier DO
transpile_constant(context, lexer); transpile_constant(context, lexer);
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END END
END; END;
RETURN result RETURN result
END transpile_constant_part; END transpile_constant_part;
PROCEDURE transpile_module(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_module(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
IF Token.Kind = lexerKindDefinition THEN IF token.Kind = lexerKindDefinition THEN
WriteString('DEFINITION '); WriteString('DEFINITION ');
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END; END;
IF Token.Kind = lexerKindImplementation THEN IF token.Kind = lexerKindImplementation THEN
WriteString('IMPLEMENTATION '); WriteString('IMPLEMENTATION ');
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END; END;
WriteString('MODULE '); WriteString('MODULE ');
(* Write the module name and end the line with a semicolon and newline. *) (* Write the module name and end the line with a semicolon and newline. *)
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
write_semicolon(); write_semicolon();
WriteLn(); WriteLn();
(* Write the module body. *) (* Write the module body. *)
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
transpile_import_part(context, lexer); transpile_import_part(context, lexer);
IF transpile_constant_part(context, lexer) THEN IF transpile_constant_part(context, lexer) THEN
WriteLn() WriteLn()
@@ -147,32 +147,32 @@ BEGIN
WriteString('END '); WriteString('END ');
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
Write('.'); Write('.');
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WriteLn() WriteLn()
END transpile_module; END transpile_module;
PROCEDURE transpile_type_fields(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_type_fields(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WHILE Token.Kind <> lexerKindEnd DO WHILE token.Kind <> lexerKindEnd DO
WriteString(' '); WriteString(' ');
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WriteString(': '); WriteString(': ');
transpile_type_expression(context, lexer); transpile_type_expression(context, lexer);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
IF Token.Kind = lexerKindSemicolon THEN IF token.Kind = lexerKindSemicolon THEN
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
Write(';') Write(';')
END; END;
WriteLn() WriteLn()
@@ -180,7 +180,7 @@ BEGIN
END transpile_type_fields; END transpile_type_fields;
PROCEDURE transpile_record_type(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_record_type(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
BEGIN BEGIN
WriteString('RECORD'); WriteString('RECORD');
WriteLn(); WriteLn();
@@ -189,32 +189,32 @@ BEGIN
END transpile_record_type; END transpile_record_type;
PROCEDURE transpile_pointer_type(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_pointer_type(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
Token := lexer_current(lexer); token := lexer_current(lexer);
WriteString('POINTER TO '); WriteString('POINTER TO ');
IF Token.Kind = lexerKindPointer THEN IF token.Kind = lexerKindPointer THEN
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END; END;
transpile_type_expression(context, lexer) transpile_type_expression(context, lexer)
END transpile_pointer_type; END transpile_pointer_type;
PROCEDURE transpile_array_type(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_array_type(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
WriteString('ARRAY'); WriteString('ARRAY');
Token := lexer_current(lexer); token := lexer_current(lexer);
IF Token.Kind = lexerKindArray THEN IF token.Kind = lexerKindArray THEN
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END; END;
IF Token.Kind <> lexerKindOf THEN IF token.Kind <> lexerKindOf THEN
WriteString('[1..'); WriteString('[1..');
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
Write(']') Write(']')
END; END;
WriteString(' OF '); WriteString(' OF ');
@@ -222,50 +222,50 @@ BEGIN
END transpile_array_type; END transpile_array_type;
PROCEDURE transpile_enumeration_type(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_enumeration_type(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
WriteString('('); WriteString('(');
WriteLn(); WriteLn();
WriteString(' '); WriteString(' ');
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WHILE Token.Kind = lexerKindComma DO WHILE token.Kind = lexerKindComma DO
Write(','); Write(',');
WriteLn(); WriteLn();
WriteString(' '); WriteString(' ');
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END; END;
WriteLn(); WriteLn();
WriteString(' )') WriteString(' )')
END transpile_enumeration_type; END transpile_enumeration_type;
PROCEDURE transpile_union_type(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_union_type(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
END transpile_union_type; END transpile_union_type;
PROCEDURE transpile_procedure_type(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_procedure_type(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WriteString('PROCEDURE('); WriteString('PROCEDURE(');
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WHILE Token.Kind <> lexerKindRightParen DO WHILE token.Kind <> lexerKindRightParen DO
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
IF Token.Kind = lexerKindComma THEN IF token.Kind = lexerKindComma THEN
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WriteString(', ') WriteString(', ')
END END
END; END;
@@ -273,42 +273,42 @@ BEGIN
END transpile_procedure_type; END transpile_procedure_type;
PROCEDURE transpile_type_expression(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_type_expression(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
IF Token.Kind = lexerKindRecord THEN IF token.Kind = lexerKindRecord THEN
transpile_record_type(context, lexer) transpile_record_type(context, lexer)
END; END;
IF Token.Kind = lexerKindLeftParen THEN IF token.Kind = lexerKindLeftParen THEN
transpile_enumeration_type(context, lexer) transpile_enumeration_type(context, lexer)
END; END;
IF (Token.Kind = lexerKindArray) OR (Token.Kind = lexerKindLeftSquare) THEN IF (token.Kind = lexerKindArray) OR (token.Kind = lexerKindLeftSquare) THEN
transpile_array_type(context, lexer) transpile_array_type(context, lexer)
END; END;
IF Token.Kind = lexerKindHat THEN IF token.Kind = lexerKindHat THEN
transpile_pointer_type(context, lexer) transpile_pointer_type(context, lexer)
END; END;
IF Token.Kind = lexerKindProc THEN IF token.Kind = lexerKindProc THEN
transpile_procedure_type(context, lexer) transpile_procedure_type(context, lexer)
END; END;
IF Token.Kind = lexerKindIdentifier THEN IF token.Kind = lexerKindIdentifier THEN
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start) written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start)
END END
END transpile_type_expression; END transpile_type_expression;
PROCEDURE transpile_type_declaration(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_type_declaration(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
WriteString(' '); WriteString(' ');
Token := lexer_current(lexer); token := lexer_current(lexer);
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WriteString(' = '); WriteString(' = ');
transpile_type_expression(context, lexer); transpile_type_expression(context, lexer);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
write_semicolon(); write_semicolon();
END transpile_type_declaration; END transpile_type_declaration;
PROCEDURE transpile_type_part(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_type_part(context: PTranspilerContext; lexer: PLexer);
@@ -331,35 +331,35 @@ BEGIN
END transpile_type_part; END transpile_type_part;
PROCEDURE transpile_variable_declaration(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_variable_declaration(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
WriteString(' '); WriteString(' ');
Token := lexer_current(lexer); token := lexer_current(lexer);
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WriteString(': '); WriteString(': ');
transpile_type_expression(context, lexer); transpile_type_expression(context, lexer);
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
write_semicolon() write_semicolon()
END transpile_variable_declaration; END transpile_variable_declaration;
PROCEDURE transpile_variable_part(context: PTranspilerContext; lexer: PLexer): BOOLEAN; PROCEDURE transpile_variable_part(context: PTranspilerContext; lexer: PLexer): BOOLEAN;
VAR VAR
Token: LexerToken; token: LexerToken;
result: BOOLEAN; result: BOOLEAN;
BEGIN BEGIN
Token := lexer_current(lexer); token := lexer_current(lexer);
result := Token.Kind = lexerKindVar; result := token.Kind = lexerKindVar;
IF result THEN IF result THEN
WriteString('VAR'); WriteString('VAR');
WriteLn(); WriteLn();
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WHILE Token.Kind = lexerKindIdentifier DO WHILE token.Kind = lexerKindIdentifier DO
transpile_variable_declaration(context, lexer); transpile_variable_declaration(context, lexer);
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END END
END; END;
RETURN result RETURN result
@@ -408,14 +408,14 @@ BEGIN
RETURN result RETURN result
END transpile_procedure_heading; END transpile_procedure_heading;
PROCEDURE transpile_expression(context: PTranspilerContext; lexer: PLexer; TrailingToken: LexerKind); PROCEDURE transpile_expression(context: PTranspilerContext; lexer: PLexer; trailing_token: LexerKind);
VAR VAR
token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WHILE (token.Kind <> TrailingToken) AND (token.Kind <> lexerKindEnd) DO WHILE (token.Kind <> trailing_token) AND (token.Kind <> lexerKindEnd) DO
written_bytes := 0; written_bytes := 0;
IF token.Kind = lexerKindNull THEN IF token.Kind = lexerKindNull THEN
WriteString('NIL '); WriteString('NIL ');
@@ -456,7 +456,7 @@ BEGIN
END transpile_if_statement; END transpile_if_statement;
PROCEDURE transpile_while_statement(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_while_statement(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
WriteString(' WHILE '); WriteString(' WHILE ');
@@ -466,7 +466,7 @@ BEGIN
WriteLn(); WriteLn();
transpile_statements(context, lexer); transpile_statements(context, lexer);
WriteString(' END'); WriteString(' END');
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END transpile_while_statement; END transpile_while_statement;
PROCEDURE transpile_assignment_statement(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_assignment_statement(context: PTranspilerContext; lexer: PLexer);
BEGIN BEGIN
@@ -475,26 +475,26 @@ BEGIN
END transpile_assignment_statement; END transpile_assignment_statement;
PROCEDURE transpile_call_statement(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_call_statement(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
WriteString('('); WriteString('(');
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
WHILE (Token.Kind <> lexerKindSemicolon) AND (Token.Kind <> lexerKindEnd) DO WHILE (token.Kind <> lexerKindSemicolon) AND (token.Kind <> lexerKindEnd) DO
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END END
END transpile_call_statement; END transpile_call_statement;
PROCEDURE transpile_return_statement(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_return_statement(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
WriteString(' RETURN '); WriteString(' RETURN ');
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start); written_bytes := WriteNBytes(StdOut, ADDRESS(lexer^.Current - lexer^.Start), lexer^.Start);
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END transpile_return_statement; END transpile_return_statement;
PROCEDURE transpile_statement(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_statement(context: PTranspilerContext; lexer: PLexer);
VAR VAR
@@ -562,15 +562,15 @@ BEGIN
END transpile_statement; END transpile_statement;
PROCEDURE transpile_statements(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_statements(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
BEGIN BEGIN
Token := lexer_current(lexer); token := lexer_current(lexer);
WHILE Token.Kind <> lexerKindEnd DO WHILE token.Kind <> lexerKindEnd DO
transpile_statement(context, lexer); transpile_statement(context, lexer);
Token := lexer_current(lexer); token := lexer_current(lexer);
IF Token.Kind = lexerKindSemicolon THEN IF token.Kind = lexerKindSemicolon THEN
Write(';') Write(';')
END; END;
WriteLn() WriteLn()
@@ -578,10 +578,10 @@ BEGIN
END transpile_statements; END transpile_statements;
PROCEDURE transpile_statement_part(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_statement_part(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
BEGIN BEGIN
Token := lexer_current(lexer); token := lexer_current(lexer);
IF Token.Kind = lexerKindBegin THEN IF token.Kind = lexerKindBegin THEN
WriteString('BEGIN'); WriteString('BEGIN');
WriteLn(); WriteLn();
transpile_statements(context, lexer) transpile_statements(context, lexer)
@@ -589,37 +589,37 @@ BEGIN
END transpile_statement_part; END transpile_statement_part;
PROCEDURE transpile_procedure_declaration(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_procedure_declaration(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
seen_part: BOOLEAN; seen_part: BOOLEAN;
written_bytes: CARDINAL; written_bytes: CARDINAL;
BEGIN BEGIN
Token := transpile_procedure_heading(context, lexer); token := transpile_procedure_heading(context, lexer);
seen_part := transpile_constant_part(context, lexer); seen_part := transpile_constant_part(context, lexer);
seen_part := transpile_variable_part(context, lexer); seen_part := transpile_variable_part(context, lexer);
transpile_statement_part(context, lexer); transpile_statement_part(context, lexer);
WriteString('END '); WriteString('END ');
written_bytes := WriteNBytes(StdOut, ORD(Token.identifierKind[1]), ADR(Token.identifierKind[2])); written_bytes := WriteNBytes(StdOut, ORD(token.identifierKind[1]), ADR(token.identifierKind[2]));
Token := transpiler_lex(lexer); token := transpiler_lex(lexer);
write_semicolon(); write_semicolon();
Token := transpiler_lex(lexer) token := transpiler_lex(lexer)
END transpile_procedure_declaration; END transpile_procedure_declaration;
PROCEDURE transpile_procedure_part(context: PTranspilerContext; lexer: PLexer); PROCEDURE transpile_procedure_part(context: PTranspilerContext; lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
BEGIN BEGIN
Token := lexer_current(lexer); token := lexer_current(lexer);
WHILE Token.Kind = lexerKindProc DO WHILE token.Kind = lexerKindProc DO
transpile_procedure_declaration(context, lexer); transpile_procedure_declaration(context, lexer);
Token := lexer_current(lexer); token := lexer_current(lexer);
WriteLn() WriteLn()
END END
END transpile_procedure_part; END transpile_procedure_part;
PROCEDURE transpile(lexer: PLexer); PROCEDURE transpile(lexer: PLexer);
VAR VAR
Token: LexerToken; token: LexerToken;
written_bytes: CARDINAL; written_bytes: CARDINAL;
Context: TranspilerContext; Context: TranspilerContext;
BEGIN BEGIN