From fe063834e53e856823b9a42ad3a5e04153446849 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Mon, 9 Nov 2020 16:41:07 +0100
Subject: Support multiply (WIP)

---
 cpp.cpp | 43 +++++++++++++++++++++++++++++++++++--------
 1 file changed, 35 insertions(+), 8 deletions(-)

(limited to 'cpp.cpp')

diff --git a/cpp.cpp b/cpp.cpp
index e4d935a..ce4a7c5 100644
--- a/cpp.cpp
+++ b/cpp.cpp
@@ -361,6 +361,8 @@ std::unordered_map<std::string, std::function<std::any(index_t)>> CPP::getNodeEv
    {
     if (childTypesOfNodeMatch(index, {"literal"}))
      return getValue(index, 0);
+    if (childTypesOfNodeMatch(index, {"(", "expression", ")"}))
+     return getValue(index, 1);
     throw std::runtime_error("ICE: Unsupported childs: "s + ruleString(index)); // TODO
    }
   },
@@ -394,21 +396,46 @@ std::unordered_map<std::string, std::function<std::any(index_t)>> CPP::getNodeEv
   },
   { "multiplicative-expression", [&](index_t index) -> std::any
    {
+    if (childTypesOfNodeMatch(index, {"pm-expression", "multiplicative-expression-EXT"})) {
+     if (childTypesOfChildMatch(index, 1, {"*", "", ""})) {
+      FlowGraph::LocalScope scope; // TODO: move to context!
+      FlowGraph::Data destination{FlowGraph::MakeTemporaryInt(scope)};
+      FlowGraph::Data value0 {std::any_cast<FlowGraph::Data>(getValue(index, 0))};
+      FlowGraph::Data value1 {std::any_cast<FlowGraph::Data>(getValue(index, 1))};
+
+      std::shared_ptr<FlowGraph::Node> node {std::make_shared<FlowGraph::BinaryOperation>(FlowGraph::BinaryOperationType::Multiply, destination, value0, value1)};
+      return node;
+     }
+    }
     if (childTypesOfNodeMatch(index, {"pm-expression", ""}) && !getValue(index, 1).has_value())
      return getValue(index, 0);
     throw std::runtime_error("ICE: Unsupported childs: "s + ruleString(index)); // TODO
    }
   },
+  { "multiplicative-expression-EXT", [&](index_t index) -> std::any
+   {
+    if (childTypesOfNodeMatch(index, {"*", "pm-expression", ""}) && !getValue(index, 2).has_value()) {
+     return getValue(index, 1);
+    } else if (childTypesOfNodeMatch(index, {})) {
+     return {};
+    }
+    throw std::runtime_error("ICE: Unsupported childs: "s + ruleString(index)); // TODO
+   }
+  },
   { "additive-expression", [&](index_t index) -> std::any
    {
-    if (childTypesOfNodeMatch(index, {"multiplicative-expression", "additive-expression-EXT"}) && childTypesOfChildMatch(index, 1, {"+", "", ""})) {
-     FlowGraph::LocalScope scope; // TODO: move to context!
-     FlowGraph::Data destination{FlowGraph::MakeTemporaryInt(scope)};
-     FlowGraph::Data value0 {std::any_cast<FlowGraph::Data>(getValue(index, 0))};
-     FlowGraph::Data value1 {std::any_cast<FlowGraph::Data>(getValue(index, 1))};
-
-     std::shared_ptr<FlowGraph::Node> node {std::make_shared<FlowGraph::BinaryOperation>(FlowGraph::BinaryOperationType::Add, destination, value0, value1)};
-     return node;
+    if (childTypesOfNodeMatch(index, {"multiplicative-expression", "additive-expression-EXT"})) {
+     if (childTypesOfChildMatch(index, 1, {"+", "", ""})) {
+      FlowGraph::LocalScope scope; // TODO: move to context!
+      FlowGraph::Data destination{FlowGraph::MakeTemporaryInt(scope)};
+      FlowGraph::Data value0 {std::any_cast<FlowGraph::Data>(getValue(index, 0))};
+      FlowGraph::Data value1 {std::any_cast<FlowGraph::Data>(getValue(index, 1))};
+
+      std::shared_ptr<FlowGraph::Node> node {std::make_shared<FlowGraph::BinaryOperation>(FlowGraph::BinaryOperationType::Add, destination, value0, value1)};
+      return node;
+     } else if (!getValue(index, 1).has_value()) {
+      return getValue(index, 0);
+     }
     }
     throw std::runtime_error("ICE: Unsupported childs: "s + ruleString(index)); // TODO
    }
-- 
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