Remove the old version code

1 files changed, 0 insertions, 841 deletions

diff --git a/source/main.elna b/source/main.elna
deleted file mode 100644
index dae045b..0000000
--- a/source/main.elna
+++ /dev/null
@@ -1,841 +0,0 @@
-(* This Source Code Form is subject to the terms of the Mozilla Public License,
-  v. 2.0. If a copy of the MPL was not distributed with this file, You can
-  obtain one at https://mozilla.org/MPL/2.0/. *)
-program;
-
-import cstdio, cctype, common, command_line_interface, lexer;
-
-type
-  SourceFile* = record
-    buffer: [1024]Char;
-    handle: ^FILE;
-    size: Word;
-    index: Word
-  end;
-  StringBuffer* = record
-    data: Pointer;
-    size: Word;
-    capacity: Word
-  end;
-  SourceCode = record
-    position: TextLocation;
-
-    input: Pointer;
-    empty: proc(Pointer) -> Bool;
-    advance: proc(Pointer);
-    head: proc(Pointer) -> Char
-  end;
-  Token* = record
-    kind: LexerKind;
-    value: union
-      int_value: Int;
-      string: String;
-      boolean_value: Bool;
-      char_value: Char
-    end
-  end;
-  Tokenizer* = record
-    length: Word;
-    data: ^Token
-  end;
-
-(*
-  Standard procedures.
-*)
-proc reallocarray(ptr: Pointer, n: Word, size: Word) -> Pointer;
-  return realloc(ptr, n * size)
-end;
-
-proc substring(string: String, start: Word, count: Word) -> String;
-  return String(string.ptr + start, count)
-end;
-
-proc open_substring(string: String, start: Word) -> String;
-  return substring(string, start, string.length - start)
-end;
-
-proc string_dup(origin: String) -> String;
-var
-  copy: ^Char;
-begin
-  copy := cast(malloc(origin.length): ^Char);
-  strncpy(copy, origin.ptr, origin.length);
-
-  return String(copy, origin.length)
-end;
-
-proc string_buffer_new() -> StringBuffer;
-var
-  result: StringBuffer;
-begin
-  result.capacity := 64u;
-  result.data := malloc(result.capacity);
-  result.size := 0u;
-
-  return result
-end;
-
-proc string_buffer_push(buffer: ^StringBuffer, char: Char);
-begin
-  if buffer^.size >= buffer^.capacity then
-    buffer^.capacity := buffer^.capacity + 1024u;
-    buffer^.data := realloc(buffer^.data, buffer^.capacity)
-  end;
-  cast(buffer^.data + buffer^.size: ^Char)^ := cast(char: Char);
-  buffer^.size := buffer^.size + 1u
-end;
-
-proc string_buffer_pop(buffer: ^StringBuffer, count: Word);
-begin
-  buffer^.size := buffer^.size - count
-end;
-
-proc string_buffer_clear(buffer: ^StringBuffer) -> String;
-var
-  result: String;
-begin
-  result := String(cast(buffer^.data: ^Char), buffer^.size);
-  buffer^.size := 0u;
-  return result
-end;
-
-(*
-  Source code stream procedures.
-*)
-
-proc read_source(filename: ^Char) -> ^SourceFile;
-var
-  result: ^SourceFile;
-  file_handle: ^FILE;
-begin
-  file_handle := fopen(filename, "rb\0".ptr);
-
-  if file_handle <> nil then
-    result := cast(malloc(#size(SourceFile)): ^SourceFile);
-    result^.handle := file_handle;
-    result^.size := 0u;
-    result^.index := 1u
-  end;
-  return result
-end;
-
-proc source_file_empty(source_input: Pointer) -> Bool;
-var
-  source_file: ^SourceFile;
-begin
-  source_file := cast(source_input: ^SourceFile);
-
-  if source_file^.index > source_file^.size then
-    source_file^.size := fread(cast(@source_file^.buffer: Pointer), 1u, 1024u, source_file^.handle);
-    source_file^.index := 1u
-  end;
-
-  return source_file^.size = 0u
-end;
-
-proc source_file_head(source_input: Pointer) -> Char;
-var
-  source_file: ^SourceFile;
-begin
-  source_file := cast(source_input: ^SourceFile);
-
-  return source_file^.buffer[source_file^.index]
-end;
-
-proc source_file_advance(source_input: Pointer);
-var
-  source_file: ^SourceFile;
-begin
-  source_file := cast(source_input: ^SourceFile);
-
-  source_file^.index := source_file^.index + 1u
-end;
-
-proc source_code_empty(source_code: ^SourceCode) -> Bool;
-  return source_code^.empty(source_code^.input)
-end;
-
-proc source_code_head(source_code: SourceCode) -> Char;
-  return source_code.head(source_code.input)
-end;
-
-proc source_code_advance(source_code: ^SourceCode);
-begin
-  source_code^.advance(source_code^.input);
-  source_code^.position.column := source_code^.position.column
-end;
-
-proc source_code_break(source_code: ^SourceCode);
-begin
-  source_code^.position.line := source_code^.position.line + 1u;
-  source_code^.position.column := 0u
-end;
-
-proc source_code_expect(source_code: ^SourceCode, expected: Char) -> Bool;
-  return ~source_code_empty(source_code) & source_code_head(source_code^) = expected
-end;
-
-(*
-  Token procedures.
-*)
-
-proc lexer_escape(escape: Char, result: ^Char) -> Bool;
-var
-  successful: Bool;
-begin
-  case escape of
-    'n':
-      result^ := '\n';
-      successful := true
-    | 'a':
-      result^ := '\a';
-      successful := true
-    | 'b':
-      result^ := '\b';
-      successful := true
-    | 't':
-      result^ := '\t';
-      successful := true
-    | 'f':
-      result^ := '\f';
-      successful := true
-    | 'r':
-      result^ := '\r';
-      successful := true
-    | 'v':
-      result^ := '\v';
-      successful := true
-    | '\\':
-      result^ := '\\';
-      successful := true
-    | '\'':
-      result^ := '\'';
-      successful := true
-    | '"':
-      result^ := '"';
-      successful := true
-    | '?':
-      result^ := '\?';
-      successful := true
-    | '0':
-      result^ := '\0';
-      successful := true
-    else
-      successful := false
-  end;
-  return successful
-end;
-
-(* Skip spaces. *)
-proc lexer_spaces(source_code: ^SourceCode);
-var
-  current: Char;
-begin
-  while ~source_code_empty(source_code) & isspace(cast(source_code_head(source_code^): Int)) <> 0 do
-    current := source_code_head(source_code^);
-
-    if current = '\n' then
-      source_code_break(source_code)
-    end;
-    source_code_advance(source_code)
-  end
-end;
-
-(* Checker whether the character is allowed in an identificator. *)
-proc lexer_is_ident(char: Char) -> Bool;
-  return isalnum(cast(char: Int)) <> 0 or char = '_'
-end;
-
-proc lexer_identifier(source_code: ^SourceCode, token_content: ^StringBuffer);
-var
-  content_length: Word;
-begin
-  while ~source_code_empty(source_code) & lexer_is_ident(source_code_head(source_code^)) do
-    string_buffer_push(token_content, source_code_head(source_code^));
-    source_code_advance(source_code)
-  end
-end;
-
-proc lexer_comment(source_code: ^SourceCode, token_content: ^StringBuffer) -> Bool;
-var
-  trailing: Word;
-begin
-  trailing := 0u;
-
-  while ~source_code_empty(source_code) & trailing < 2u do
-    if source_code_head(source_code^) = '*' then
-      string_buffer_push(token_content, '*');
-      trailing := 1u
-    elsif source_code_head(source_code^) = ')' & trailing = 1u then
-      string_buffer_pop(token_content, 1u);
-      trailing := 2u
-    else
-      string_buffer_push(token_content, source_code_head(source_code^));
-      trailing := 0u
-    end;
-    source_code_advance(source_code)
-  end;
-
-  return trailing = 2u
-end;
-
-proc lexer_character(source_code: ^SourceCode, token_content: ^Char) -> Bool;
-var
-  successful: Bool;
-begin
-  successful := ~source_code_empty(source_code);
-
-  if successful then
-    if source_code_head(source_code^) = '\\' then
-      source_code_advance(source_code);
-
-      successful := ~source_code_empty(source_code) & lexer_escape(source_code_head(source_code^), token_content)
-    else
-      token_content^ := source_code_head(source_code^);
-      successful := true
-    end
-  end;
-  if successful then
-    source_code_advance(source_code)
-  end;
-  return successful
-end;
-
-proc lexer_string(source_code: ^SourceCode, token_content: ^StringBuffer) -> Bool;
-var
-  token_end, constructed_string: ^Char;
-  token_length: Word;
-  is_valid: Bool := true;
-  next_char: Char;
-begin
-  while is_valid & ~source_code_empty(source_code) & source_code_head(source_code^) <> '"' do
-    is_valid := lexer_character(source_code, @next_char);
-
-    if is_valid then
-      string_buffer_push(token_content, next_char)
-    end
-  end;
-
-  if is_valid & source_code_expect(source_code, '"') then
-    source_code_advance(source_code)
-  else
-    is_valid := false
-  end;
-  return is_valid
-end;
-
-proc lexer_number(source_code: ^SourceCode, token_content: ^Int);
-begin
-  token_content^ := 0;
-
-  while ~source_code_empty(source_code) & isdigit(cast(source_code_head(source_code^): Int)) <> 0 do
-    token_content^ := token_content^ * 10 + (cast(source_code_head(source_code^): Int) - cast('0': Int));
-
-    source_code_advance(source_code)
-  end
-end;
-
-(* Categorize an identifier. *)
-proc lexer_categorize(token_content: String) -> Token;
-var
-  current_token: Token;
-begin
-  if token_content = "if" then
-    current_token.kind := LexerKind._if
-  elsif token_content = "then" then
-    current_token.kind := LexerKind._then
-  elsif token_content = "else" then
-    current_token.kind := LexerKind._else
-  elsif token_content = "elsif" then
-    current_token.kind := LexerKind._elsif
-  elsif token_content = "while" then
-    current_token.kind := LexerKind._while
-  elsif token_content = "do" then
-    current_token.kind := LexerKind._do
-  elsif token_content = "proc" then
-    current_token.kind := LexerKind._proc
-  elsif token_content = "begin" then
-    current_token.kind := LexerKind._begin
-  elsif token_content = "end" then
-    current_token.kind := LexerKind._end
-  elsif token_content = "extern" then
-    current_token.kind := LexerKind._extern
-  elsif token_content = "const" then
-    current_token.kind := LexerKind._const
-  elsif token_content = "var" then
-    current_token.kind := LexerKind._var
-  elsif token_content = "case" then
-    current_token.kind := LexerKind._case
-  elsif token_content = "of" then
-    current_token.kind := LexerKind._of
-  elsif token_content = "type" then
-    current_token.kind := LexerKind._type
-  elsif token_content = "record" then
-    current_token.kind := LexerKind._record
-  elsif token_content = "union" then
-    current_token.kind := LexerKind._union
-  elsif token_content = "true" then
-    current_token.kind := LexerKind.boolean;
-    current_token.value.boolean_value := true
-  elsif token_content = "false" then
-    current_token.kind := LexerKind.boolean;
-    current_token.value.boolean_value := false
-  elsif token_content = "nil" then
-    current_token.kind := LexerKind.null
-  elsif token_content = "or" then
-    current_token.kind := LexerKind._or
-  elsif token_content = "return" then
-    current_token.kind := LexerKind._return
-  elsif token_content = "cast" then
-    current_token.kind := LexerKind._cast
-  elsif token_content = "defer" then
-    current_token.kind := LexerKind._defer
-  elsif token_content = "program" then
-    current_token.kind := LexerKind._program
-  elsif token_content = "module" then
-    current_token.kind := LexerKind._module
-  elsif token_content = "import" then
-    current_token.kind := LexerKind._import
-  else
-    current_token.kind := LexerKind.identifier;
-    current_token.value.string := string_dup(token_content)
-  end;
-
-  return current_token
-end;
-
-proc lexer_add_token(lexer: ^Tokenizer, token: Token);
-var
-  new_length: Word;
-begin
-  new_length := lexer^.length + 1u;
-  lexer^.data := cast(reallocarray(cast(lexer^.data: Pointer), new_length, #size(Token)): ^Token);
-  (lexer^.data + lexer^.length)^ := token;
-  lexer^.length := new_length
-end;
-
-(* Read the next token from the input. *)
-proc lexer_next(source_code: SourceCode, token_buffer: ^StringBuffer) -> Token;
-var
-  current_token: Token;
-  first_char: Char;
-begin
-  current_token.kind := LexerKind.unknown;
-
-  first_char := source_code_head(source_code);
-
-  if isalpha(cast(first_char: Int)) <> 0 or first_char = '_' then
-    lexer_identifier(@source_code, token_buffer);
-    current_token := lexer_categorize(string_buffer_clear(token_buffer))
-  elsif first_char = '#' then
-    source_code_advance(@source_code);
-    lexer_identifier(@source_code, token_buffer);
-
-    current_token.kind := LexerKind.trait;
-    current_token.value.string := string_dup(string_buffer_clear(token_buffer))
-  elsif isdigit(cast(first_char: Int)) <> 0 then
-    lexer_number(@source_code, @current_token.value.int_value);
-
-    if source_code_expect(@source_code, 'u') then
-      current_token.kind := LexerKind.word;
-        source_code_advance(@source_code)
-    else
-      current_token.kind := LexerKind.integer
-    end
-  elsif first_char = '(' then
-    source_code_advance(@source_code);
-
-    if source_code_empty(@source_code) then
-      current_token.kind := LexerKind.left_paren
-    elsif source_code_head(source_code) = '*' then
-      source_code_advance(@source_code);
-
-      if lexer_comment(@source_code, token_buffer) then
-        current_token.value.string := string_dup(string_buffer_clear(token_buffer));
-        current_token.kind := LexerKind.comment
-      else
-        current_token.kind := LexerKind.unknown
-      end
-    else
-      current_token.kind := LexerKind.left_paren
-    end
-  elsif first_char = ')' then
-    current_token.kind := LexerKind.right_paren;
-    source_code_advance(@source_code)
-  elsif first_char = '\'' then
-    source_code_advance(@source_code);
-
-    if lexer_character(@source_code, @current_token.value.char_value) & source_code_expect(@source_code, '\'') then
-      current_token.kind := LexerKind.character;
-      source_code_advance(@source_code)
-    else
-      current_token.kind := LexerKind.unknown
-    end
-  elsif first_char = '"' then
-    source_code_advance(@source_code);
-
-    if lexer_string(@source_code, token_buffer) then
-      current_token.kind := LexerKind.string;
-      current_token.value.string := string_dup(string_buffer_clear(token_buffer))
-    else
-      current_token.kind := LexerKind.unknown
-    end
-  elsif first_char = '[' then
-    current_token.kind := LexerKind.left_square;
-    source_code_advance(@source_code)
-  elsif first_char = ']' then
-    current_token.kind := LexerKind.right_square;
-    source_code_advance(@source_code)
-  elsif first_char = '>' then
-    source_code_advance(@source_code);
-
-    if source_code_empty(@source_code) then
-      current_token.kind := LexerKind.greater_than
-    elsif source_code_head(source_code) = '=' then
-      current_token.kind := LexerKind.greater_equal;
-      source_code_advance(@source_code)
-    elsif source_code_head(source_code) = '>' then
-      current_token.kind := LexerKind.shift_right;
-      source_code_advance(@source_code)
-    else
-      current_token.kind := LexerKind.greater_than
-    end
-  elsif first_char = '<' then
-    source_code_advance(@source_code);
-
-    if source_code_empty(@source_code) then
-      current_token.kind := LexerKind.less_than
-    elsif source_code_head(source_code) = '=' then
-      current_token.kind := LexerKind.less_equal;
-      source_code_advance(@source_code)
-    elsif source_code_head(source_code) = '<' then
-      current_token.kind := LexerKind.shift_left;
-      source_code_advance(@source_code)
-    elsif source_code_head(source_code) = '>' then
-      current_token.kind := LexerKind.not_equal;
-      source_code_advance(@source_code)
-    else
-      current_token.kind := LexerKind.less_than
-    end
-  elsif first_char = '=' then
-    current_token.kind := LexerKind.equal;
-    source_code_advance(@source_code)
-  elsif first_char = ';' then
-    current_token.kind := LexerKind.semicolon;
-    source_code_advance(@source_code)
-  elsif first_char = '.' then
-    current_token.kind := LexerKind.dot;
-    source_code_advance(@source_code)
-  elsif first_char = ',' then
-    current_token.kind := LexerKind.comma;
-    source_code_advance(@source_code)
-  elsif first_char = '+' then
-    current_token.kind := LexerKind.plus;
-    source_code_advance(@source_code)
-  elsif first_char = '-' then
-    source_code_advance(@source_code);
-
-    if source_code_empty(@source_code) then
-      current_token.kind := LexerKind.minus
-    elsif source_code_head(source_code) = '>' then
-      current_token.kind := LexerKind.arrow;
-      source_code_advance(@source_code)
-    else
-      current_token.kind := LexerKind.minus
-    end
-  elsif first_char = '*' then
-    current_token.kind := LexerKind.multiplication;
-    source_code_advance(@source_code)
-  elsif first_char = '/' then
-    current_token.kind := LexerKind.division;
-    source_code_advance(@source_code)
-  elsif first_char = '%' then
-    current_token.kind := LexerKind.remainder;
-    source_code_advance(@source_code)
-  elsif first_char = ':' then
-    source_code_advance(@source_code);
-
-    if source_code_empty(@source_code) then
-      current_token.kind := LexerKind.colon
-    elsif source_code_head(source_code) = '=' then
-      current_token.kind := LexerKind.assignment;
-      source_code_advance(@source_code)
-    else
-      current_token.kind := LexerKind.colon
-    end
-  elsif first_char = '^' then
-    current_token.kind := LexerKind.hat;
-    source_code_advance(@source_code)
-  elsif first_char = '@' then
-    current_token.kind := LexerKind.at;
-    source_code_advance(@source_code)
-  elsif first_char = '!' then
-    current_token.kind := LexerKind.exclamation;
-    source_code_advance(@source_code)
-  elsif first_char = '&' then
-    current_token.kind := LexerKind.and;
-    source_code_advance(@source_code)
-  elsif first_char = '~' then
-    current_token.kind := LexerKind.not;
-    source_code_advance(@source_code)
-  elsif first_char = '|' then
-    current_token.kind := LexerKind.pipe;
-    source_code_advance(@source_code)
-  else
-    current_token.kind := LexerKind.unknown;
-    source_code_advance(@source_code)
-  end;
-
-  return current_token
-end;
-
-(* Split the source text into tokens. *)
-proc lexer_text(source_code: SourceCode) -> Tokenizer;
-var
-  current_token: Token;
-  token_buffer: StringBuffer;
-  lexer: Tokenizer;
-begin
-  lexer := Tokenizer(0u, nil);
-  token_buffer := string_buffer_new();
-
-  lexer_spaces(@source_code);
-
-  while ~source_code_empty(@source_code) do
-    current_token := lexer_next(source_code, @token_buffer);
-
-    if current_token.kind <> LexerKind.unknown then
-      lexer_add_token(@lexer, current_token);
-        lexer_spaces(@source_code)
-    else
-      write_s("Lexical analysis error on \"");
-      write_c(source_code_head(source_code));
-      write_s("\".\n")
-    end
-  end;
-
-  return lexer
-end;
-
-(*
-  Parser.
-*)
-
-proc parse(tokens: ^Token, tokens_size: Word);
-var
-  current_token: ^Token;
-  i: Word := 0u;
-begin
-  while i < tokens_size do
-    current_token := tokens + i;
-
-    case current_token^.kind of
-      LexerKind._if:
-        write_s("IF")
-      | LexerKind._then:
-        write_s("THEN")
-      | LexerKind._else:
-        write_s("ELSE")
-      | LexerKind._elsif:
-        write_s("ELSIF")
-      | LexerKind._while:
-        write_s("WHILE")
-      | LexerKind._do:
-        write_s("DO")
-      | LexerKind._proc:
-        write_s("PROC")
-      | LexerKind._begin:
-        write_s("BEGIN")
-      | LexerKind._end:
-        write_s("END")
-      | LexerKind._extern:
-        write_s("EXTERN")
-      | LexerKind._const:
-        write_s("CONST")
-      | LexerKind._var:
-        write_s("VAR")
-     | LexerKind._case:
-        write_s("CASE")
-      | LexerKind._of:
-        write_s("OF")
-      | LexerKind._type:
-        write_s("TYPE")
-      | LexerKind._record:
-        write_s("RECORD")
-      | LexerKind._union:
-        write_s("UNION")
-      | LexerKind.pipe:
-        write_s("|")
-      | LexerKind.to:
-        write_s("TO")
-      | LexerKind.boolean:
-        write_s("BOOLEAN<");
-        write_b(current_token^.value.boolean_value);
-        write_c('>')
-      | LexerKind.null:
-        write_s("NIL")
-      | LexerKind.and:
-        write_s("&")
-      | LexerKind._or:
-        write_s("OR")
-      | LexerKind.not:
-        write_s("~")
-      | LexerKind._return:
-        write_s("RETURN")
-      | LexerKind._cast:
-        write_s("CAST")
-      | LexerKind.shift_left:
-        write_s("<<")
-      | LexerKind.shift_right:
-        write_s(">>")
-      | LexerKind.identifier:
-        write_c('<');
-        write_s(current_token^.value.string);
-        write_c('>')
-      | LexerKind.trait:
-        write_c('#');
-        write_s(current_token^.value.string)
-      | LexerKind.left_paren:
-        write_s("(")
-      | LexerKind.right_paren:
-        write_s(")")
-      | LexerKind.left_square:
-        write_s("[")
-      | LexerKind.right_square:
-        write_s("]")
-      | LexerKind.greater_equal:
-        write_s(">=")
-      | LexerKind.less_equal:
-        write_s("<=")
-      | LexerKind.greater_than:
-        write_s(">")
-      | LexerKind.less_than:
-        write_s("<")
-      | LexerKind.equal:
-        write_s("=")
-      | LexerKind.not_equal:
-        write_s("<>")
-      | LexerKind.semicolon:
-        write_c(';')
-      | LexerKind.dot:
-        write_c('.')
-      | LexerKind.comma:
-        write_c(',')
-      | LexerKind.plus:
-        write_c('+')
-      | LexerKind.minus:
-        write_c('-')
-      | LexerKind.multiplication:
-        write_c('*')
-      | LexerKind.division:
-        write_c('/')
-      | LexerKind.remainder:
-        write_c('%')
-      | LexerKind.assignment:
-        write_s(":=")
-      | LexerKind.colon:
-        write_c(':')
-      | LexerKind.hat:
-        write_c('^')
-      | LexerKind.at:
-        write_c('@')
-      | LexerKind.comment:
-        write_s("(* COMMENT *)")
-      | LexerKind.integer:
-        write_c('<');
-        write_i(current_token^.value.int_value);
-        write_c('>')
-      | LexerKind.word:
-        write_c('<');
-        write_i(current_token^.value.int_value);
-        write_s("u>")
-      | LexerKind.character:
-        write_c('<');
-        write_i(cast(current_token^.value.char_value: Int));
-        write_s("c>")
-      | LexerKind.string:
-        write_s("\"...\"")
-      | LexerKind._defer:
-        write_s("DEFER")
-      | LexerKind.exclamation:
-        write_c('!')
-      | LexerKind.arrow:
-        write_s("->")
-      | LexerKind._program:
-        write_s("PROGRAM")
-      | LexerKind._module:
-      write_s("MODULE")
-      | LexerKind._import:
-      write_s("IMPORT")
-      else
-        write_s("UNKNOWN<");
-        write_i(cast(current_token^.kind: Int));
-        write_c('>')
-    end;
-    write_c(' ');
-
-    i := i + 1u
-  end;
-  write_c('\n')
-end;
-
-(*
-  Compilation entry.
-*)
-
-proc compile_in_stages(command_line: ^CommandLine, source_code: SourceCode) -> Int;
-var
-  return_code: Int := 0;
-  lexer: Tokenizer;
-begin
-  if command_line^.lex or command_line^.parse then
-    lexer := lexer_text(source_code)
-  end;
-  if command_line^.parse then
-    parse(lexer.data, lexer.length)
-  end;
-
-  return return_code
-end;
-
-proc process(argc: Int, argv: ^^Char) -> Int;
-var
-  tokens: ^Token;
-  tokens_size: Word;
-  source_code: SourceCode;
-  command_line: ^CommandLine;
-  return_code: Int := 0;
-  source_file: ^SourceFile;
-begin
-  command_line := parse_command_line(argc, argv);
-  if command_line = nil then
-    return_code := 2
-  end;
-
-  if return_code = 0 then
-    source_file := read_source(command_line^.input);
-
-    if source_file = nil then
-      perror(command_line^.input);
-      return_code := 3
-    end
-  end;
-
-  if return_code = 0 then
-    defer
-      fclose(source_file^.handle)
-    end;
-
-    source_code.position := TextLocation(1u, 1u);
-    source_code.input := cast(source_file: Pointer);
-    source_code.empty := source_file_empty;
-    source_code.head := source_file_head;
-    source_code.advance := source_file_advance;
-
-    return_code := compile_in_stages(command_line, source_code)
-  end;
-  return return_code
-end;
-
-  return process(count, parameters)
-end.