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Transpile the global var section

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This commit is contained in:
Eugen Wissner
2025-05-27 17:05:00 +02:00
parent 3d401e7dac
commit 46d89122e4
4 changed files with 83 additions and 11 deletions
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17
Rakefile
View File

@ -93,3 +93,20 @@ task :default do |t|
puts [cat_arguments * ' ', exe, diff_arguments * ' '].join(' | ')
Open3.pipeline(cat_arguments, exe, diff_arguments)
end
task :backport do
FileList['source/*.elna'].each do |file|
source_path = Pathname.new file
source = File.read source_path
target = source
.gsub(/^(var|type|const)/) { |match| match.upcase }
.gsub(/^[[:alnum:]]* ?module/) { |match| match.upcase }
.gsub(/(procedure|record| pointer to )/) { |match| match.upcase }
.gsub(/([[:space:]]*)end;/, '\1END;')
.gsub(/^from ([[:alnum:]]+) import/, 'FROM \1 IMPORT')
target_path = Pathname.new('boot/stage1/source') + source_path.basename
File.write target_path, target
end
end

2
source/Compiler.elna
View File

@ -6,7 +6,7 @@ from SYSTEM import ADR;
from Lexer import Lexer, LexerDestroy, LexerInitialize;
from Transpiler import Transpile;
VAR
var
ALexer: Lexer;
BEGIN

4
source/Lexer.elna
View File

@ -66,9 +66,9 @@ type
NextState: TransitionState
end;
VAR
var
Classification: ARRAY[1..128] OF TransitionClass;
Transitions: ARRAY[0..MAX(TransitionState)] OF ARRAY[0..MAX(TransitionClass)] OF Transition;
Transitions: ARRAY[0..15] OF ARRAY[0..21] OF Transition;
PROCEDURE InitializeClassification();
BEGIN

71
source/Transpiler.elna
View File

@ -140,6 +140,7 @@ BEGIN
TranspileImportPart(AContext, ALexer);
TranspileConstantPart(AContext, ALexer);
TranspileTypePart(AContext, ALexer);
TranspileVariablePart(AContext, ALexer);
Token := LexerCurrent(ALexer);
WHILE Token.Kind <> lexerKindEof DO
@ -163,11 +164,11 @@ BEGIN
Token := TranspilerLex(ALexer);
WriteString(': ');
TranspileTypeExpression(AContext, ALexer);
Token := TranspilerLex(ALexer);
Token := TranspilerLex(ALexer);
IF Token.Kind = lexerKindSemicolon THEN
IF Token.Kind = lexerKindSemicolon THEN
Token := TranspilerLex(ALexer);
WriteSemicolon()
WriteSemicolon()
ELSE
WriteLn()
END
@ -197,7 +198,25 @@ END TranspilePointerType;
PROCEDURE TranspileArrayType(AContext: PTranspilerContext; ALexer: PLexer);
VAR
Token: LexerToken;
WrittenBytes: CARDINAL;
BEGIN
WriteString('ARRAY');
Token := TranspilerLex(ALexer);
IF Token.Kind <> lexerKindOf THEN
Write('[');
Token := TranspilerLex(ALexer);
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start);
Token := TranspilerLex(ALexer);
WriteString('..');
Token := TranspilerLex(ALexer);
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start);
Token := TranspilerLex(ALexer);
Write(']');
Token := TranspilerLex(ALexer)
END;
WriteString(' OF ');
TranspileTypeExpression(AContext, ALexer)
END TranspileArrayType;
PROCEDURE TranspileEnumerationType(AContext: PTranspilerContext; ALexer: PLexer);
@ -216,12 +235,12 @@ BEGIN
WHILE Token.Kind = lexerKindComma DO
Write(',');
WriteLn();
WriteString(' ');
WriteLn();
WriteString(' ');
Token := TranspilerLex(ALexer);
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start);
Token := TranspilerLex(ALexer)
Token := TranspilerLex(ALexer)
END;
WriteLn();
WriteString(' )')
@ -303,12 +322,48 @@ BEGIN
Token := TranspilerLex(ALexer);
WHILE Token.Kind = lexerKindIdentifier DO
TranspileTypeDeclaration(AContext, ALexer);
TranspileTypeDeclaration(AContext, ALexer);
Token := TranspilerLex(ALexer)
END
END;
WriteLn()
END
END TranspileTypePart;
PROCEDURE TranspileVariableDeclaration(AContext: PTranspilerContext; ALexer: PLexer);
VAR
Token: LexerToken;
WrittenBytes: CARDINAL;
BEGIN
WriteString(' ');
Token := LexerCurrent(ALexer);
WrittenBytes := WriteNBytes(StdOut, ADDRESS(ALexer^.Current - ALexer^.Start), ALexer^.Start);
Token := TranspilerLex(ALexer);
WriteString(': ');
TranspileTypeExpression(AContext, ALexer);
Token := TranspilerLex(ALexer);
WriteSemicolon()
END TranspileVariableDeclaration;
PROCEDURE TranspileVariablePart(AContext: PTranspilerContext; ALexer: PLexer);
VAR
Token: LexerToken;
BEGIN
Token := LexerCurrent(ALexer);
IF Token.Kind = lexerKindVar THEN
WriteString('VAR');
WriteLn();
Token := TranspilerLex(ALexer);
WHILE Token.Kind = lexerKindIdentifier DO
TranspileVariableDeclaration(AContext, ALexer);
Token := TranspilerLex(ALexer)
END;
WriteLn()
END
END TranspileVariablePart;
PROCEDURE Transpile(ALexer: PLexer);
VAR
Token: LexerToken;