From 0e9f782a05ab9bc892af40abef84346a16d3baec Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Tue, 26 May 2009 23:45:44 -0500
Subject: Added % suffix operator, as in "$1.00 * 10%"

---
 src/parser.cc | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'src/parser.cc')

diff --git a/src/parser.cc b/src/parser.cc
index 39004758..1c78e30d 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -44,10 +44,23 @@ expr_t::parser_t::parse_value_term(std::istream&        in,
   token_t& tok = next_token(in, tflags);
 
   switch (tok.kind) {
-  case token_t::VALUE:
+  case token_t::VALUE: {
     node = new op_t(op_t::VALUE);
     node->set_value(tok.value);
+
+    token_t& postfix_tok = next_token(in, tflags.plus_flags(PARSE_OP_CONTEXT));
+    if (postfix_tok.kind == token_t::PERCENT) {
+      ptr_op_t prev(node);
+      node = new op_t(op_t::O_DIV);
+      node->set_left(prev);
+      ptr_op_t hundred = new op_t(op_t::VALUE);
+      hundred->set_value(100L);
+      node->set_right(hundred);
+    } else {
+      push_token(postfix_tok);
+    }
     break;
+  }
 
   case token_t::IDENT: {
     string ident = tok.value.as_string();
-- 
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