Implement shift operators

source.elna

@@ -173,7 +173,7 @@ end
 proc write_i(value: Int);
 var
   digit: Int, n: Word,
-  buffer: array 10 of Char;
+  buffer: array 10 of Char
 begin
   n := 10u;
 
@@ -230,7 +230,7 @@ end
 
 proc string_dup(origin: String) -> String;
 var
-  copy: pointer to Char;
+  copy: pointer to Char
 begin
   copy := cast(malloc(origin.length): pointer to Char);
   strncpy(copy, origin.ptr, origin.length);
@@ -244,7 +244,7 @@ end
 
 proc make_position() -> Position;
 var
-  result: Position;
+  result: Position
 begin
   return Position(1u, 1u)
 end
@@ -253,7 +253,7 @@ proc read_source(filename: pointer to Char, result: pointer to String) -> Bool;
 var
   input_file: pointer to FILE,
   source_size: Int,
-  input: pointer to Byte;
+  input: pointer to Byte
 begin
   input_file := fopen(filename, "rb\0".ptr);
 
@@ -349,7 +349,7 @@ end
 
 proc lex_identifier(source_code: pointer to SourceCode, token_content: pointer to String);
 var
-  content_length: Word;
+  content_length: Word
 begin
   content_length := 0u;
   token_content^ := source_code^.text;
@@ -363,7 +363,7 @@ end
 
 proc lex_comment(source_code: pointer to SourceCode, token_content: pointer to String) -> Bool;
 var
-  content_length: Word;
+  content_length: Word
 begin
   content_length := 0u;
   token_content^ := source_code^.text;
@@ -401,7 +401,7 @@ var
   token_end: pointer to Char,
   constructed_string: pointer to Char,
   token_length: Word,
-  is_valid: Bool;
+  is_valid: Bool
 begin
   token_end := input;
 
@@ -439,7 +439,7 @@ end
 proc print_tokens(tokens: pointer to Token, tokens_size: Word);
 var
   current_token: pointer to Token,
-  i: Word;
+  i: Word
 begin
   i := 0u;
   while i < tokens_size do
@@ -583,7 +583,7 @@ end
 
 proc categorize_identifier(token_content: String) -> Token;
 var
-  current_token: Token;
+  current_token: Token
 begin
   if "if" = token_content then
 	current_token.kind := TOKEN_IF
@@ -662,7 +662,7 @@ var
   current_token: pointer to Token,
   token_length: Word,
   first_char: Char,
-  token_content: String;
+  token_content: String
 begin
   tokens_size^ := 0u;
   tokens := nil;
@@ -827,7 +827,7 @@ end
 proc parse_constant_definition(tokens: pointer to pointer to Token,
     tokens_size: pointer to Word) -> pointer to ConstantDefinition;
 var
-  result: pointer to ConstantDefinition;
+  result: pointer to ConstantDefinition
 begin
   result := cast(calloc(1u, ConstantDefinition.size): pointer to ConstantDefinition);
 
@@ -851,7 +851,7 @@ end
 proc parse_program(tokens: pointer to pointer to Token, tokens_size: pointer to Word) -> pointer to Program;
 var
   result: pointer to Program,
-  current_constant: pointer to pointer to ConstantDefinition;
+  current_constant: pointer to pointer to ConstantDefinition
 begin
   result := cast(calloc(1u, Program.size): pointer to Program);
 
@@ -885,7 +885,7 @@ proc parse_command_line*(argc: Int, argv: pointer to pointer to Char) -> pointer
 var
   parameter: pointer to pointer to Char,
   i: Int,
-  result: pointer to CommandLine;
+  result: pointer to CommandLine
 begin
   i := 1;
   result := cast(malloc(CommandLine.size): pointer to CommandLine);
@@ -927,7 +927,7 @@ var
   tokens: pointer to Token,
   tokens_size: Word,
   source_code: SourceCode,
-  command_line: pointer to CommandLine;
+  command_line: pointer to CommandLine
 begin
   command_line := parse_command_line(argc, argv);
   if command_line = nil then