diff options
Diffstat (limited to 'repl.d')
-rw-r--r-- | repl.d | 57 |
1 files changed, 0 insertions, 57 deletions
@@ -1,57 +0,0 @@ -import std.stdio; -import std.string; -import std.variant; - -import std.container.util : make; - -import src.stack; - -import definition = src.definition; -import primitives = src.primitives.eval; - -Stack!Token resolve(Token token) { - try { - if ( primitives.evaluate(token) ) { - return primitives.result; - } else { - return token.visit!( - (int value) => Stack!Token(Token(value)), - (bool value) => Stack!Token(Token(value)), - (string word ) => definition.get(word) - ); - } - } - catch (Exception ex) { - writeln("Error: ", ex.msg); - return Stack!Token(); - } -} - -void process(string value) { - auto buffer = make!(Stack!Token)(toToken(value)); - - do { - Token current = buffer.pop; - - if ( !definition.handle(current) ) { - Stack!Token resolved = resolve(current); - - if ( !resolved.empty ) { - if ( resolved.front == current ) { - stack.push(current); - } else { - buffer.insertFront(resolved[]); - } - } - } - } - while ( !buffer.empty ); -} - -void main() { - while ( !stdin.eof ) { - foreach ( token; stdin.readln.split ) { - process(token); - } - } -} |