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(* 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/. *)
module
import cstring, cstdio, cstdlib
type
ElnaLocation* = record
line: Word;
column: Word
end
ElnaPosition* = record
start_location: ElnaLocation;
end_location: ElnaLocation
end
proc write*#[T](fd: Int; buf: ^const T; size: Word) -> Int
extern
proc write_s*(value: []const Word8)
write(1, value.ptr, value.length)
return
proc write_z*(value: ^Word8)
write(1, value, strlen(value))
return
proc write_b*(value: Bool)
if value then
write_s("true")
else
write_s("false")
end
return
proc write_c*(value: Word8)
putchar(cast(value: Int));
fflush(nil)
return
proc write_i*(value: Int)
var
digit: Int
n: Word
buffer: [10]Word8
begin
n := 10u;
if value = 0 then
write_c('0')
end;
while value <> 0 do
digit := value % 10;
value := value / 10;
buffer[n] := cast(cast('0': Int) + digit: Word8);
n := n - 1u
end;
while n < 10u do
n := n + 1u;
write_c(buffer[n])
end
return
proc write_u*(value: Word)
write_i(cast(value: Int))
return
(* Returns true or false depending whether two strings are equal. *)
proc string_compare*(lhs_pointer: ^Word8; lhs_length: Word; rhs_pointer: []const Word8) -> Bool
var
result: Bool
begin
if lhs_length = rhs_pointer.length then
result := memcmp(lhs_pointer, rhs_pointer.ptr, lhs_length) = 0
else
result := false
end
return result
end.
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