add github action

.github/workflows/test.yaml

@@ -0,0 +1,23 @@
+name: Tests
+
+on: [push]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: nightly
+
+      - name: Install Huff
+        run: node ./dist/index.js
+        with:
+          version: nightly
+
+      - name: Install Dependencies
+        run: huffc examples/test.huff

.gitignore

@@ -6,6 +6,8 @@ yarn-debug.log*
 yarn-error.log*
 lerna-debug.log*
 
+tmp
+
 # Diagnostic reports (https://nodejs.org/api/report.html)
 report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
 

examples/test.huff

@@ -0,0 +1,38 @@
+/* Interface */
+#define function setNumber(uint256) nonpayable returns ()
+#define function getNumber() view returns (uint256)
+
+/* Storage Slots */
+#define constant NUMBER_LOCATION = FREE_STORAGE_POINTER()
+
+/* Methods */
+#define macro SET_NUMBER() = takes (0) returns (0) {
+    0x04 calldataload   // [number]
+    [NUMBER_LOCATION]   // [ptr, number]
+    sstore              // []
+}
+
+#define macro GET_NUMBER() = takes (0) returns (0) {
+    // Load number from storage.
+    [NUMBER_LOCATION]   // [ptr]
+    sload                // [number]
+
+    // Store number in memory.
+    0x00 mstore
+
+    // Return number
+    0x20 0x00 return
+}
+
+#define macro MAIN() = takes (0) returns (0) {
+    // Identify which function is being called.
+    0x00 calldataload 0xE0 shr
+    dup1 0x3fb5c1cb eq set jumpi
+    dup1 0xf2c9ecd8 eq get jumpi
+
+    set:
+        SET_NUMBER()
+    get:
+        GET_NUMBER()
+
+}