LSP: Implement semantic tokens

test/libsolidity/lsp/semanticTokens/enums.sol

@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity >=0.8.0;
+
+enum Weather {
+    Sunny,
+    Cloudy,
+    Rainy
+}
+
+enum Color {
+    Red,
+    Green,
+    Blue
+}
+
+function getColorEnum() pure returns (Color result)
+{
+    result = Color.Red;
+}
+
+// ----
+// -> textDocument/semanticTokens/full {
+// }
+// <- {
+//     "data": [
+//         1, 0, 24, 8, 0,
+//         2, 5, 7, 2, 0,
+//         1, 4, 5, 3, 0,
+//         1, 4, 6, 3, 0,
+//         1, 4, 5, 3, 0,
+//         3, 5, 5, 2, 0,
+//         1, 4, 3, 3, 0,
+//         1, 4, 5, 3, 0,
+//         1, 4, 4, 3, 0,
+//         3, 9, 12, 5, 0,
+//         0, 29, 5, 2, 0,
+//         0, 6, 6, 19, 0,
+//         2, 4, 6, 2, 0,
+//         0, 9, 5, 2, 0,
+//         0, 6, 3, 3, 0
+//     ]
+// }

test/libsolidity/lsp/semanticTokens/functions.sol

@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity >=0.8.0;
+
+library Lib
+{
+    function add(uint a, uint b) public pure returns (uint result)
+    {
+        result = a + b;
+    }
+
+    function warningWithUnused() public pure
+    {
+        uint unused;
+//      ^^^^^^^^^^^ @unusedVariable
+    }
+}
+
+contract Contract
+{
+    function doNothing() pure public returns (bool)
+    {
+        return true;
+    }
+}
+
+// ----
+// functions: @unusedVariable 2072
+// -> textDocument/semanticTokens/full {
+// }
+// <- {
+//     "data": [
+//         1, 0, 24, 8, 0,
+//         2, 8, 3, 0, 0,
+//         2, 13, 3, 5, 0,
+//         0, 4, 4, 11, 0,
+//         0, 5, 1, 19, 0,
+//         0, 3, 4, 11, 0,
+//         0, 5, 1, 19, 0,
+//         0, 24, 4, 11, 0,
+//         0, 5, 6, 19, 0,
+//         2, 8, 6, 19, 0,
+//         0, 9, 1, 19, 0,
+//         0, 4, 1, 19, 0,
+//         3, 13, 17, 5, 0,
+//         2, 8, 4, 11, 0,
+//         0, 5, 6, 19, 0,
+//         5, 9, 8, 0, 0,
+//         2, 13, 9, 5, 0,
+//         0, 33, 4, 11, 0,
+//         2, 15, 4, 11, 0
+//     ]
+// }

test/libsolidity/lsp/semanticTokens/modifiers.sol

@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity >=0.8.0;
+
+contract C
+{
+    bool public locked = false;
+    int public calls = 0;
+    int public totalSum = 0;
+
+    function add(uint a, uint b) lock() monitor(a, b) public returns (uint result)
+    {
+        result = a + b;
+    }
+
+    modifier lock()
+    {
+        require(!locked);
+        locked = true;
+        _;
+        locked = false;
+    }
+
+    modifier monitor(uint a, uint b)
+    {
+        calls++;
+        totalSum = totalSum + a + b;
+        //         ^^^^^^^^^^^^^^^^ @totalSumWarning
+        //         ^^^^^^^^^^^^ @totalSumWarningSub
+        _;
+    }
+}
+// ----
+// modifiers: @totalSumWarningSub 2271 @totalSumWarning 2271
+// -> textDocument/semanticTokens/full {
+// }
+// <- {
+//     "data": [
+//         1, 0, 24, 8, 0,
+//         2, 9, 1, 0, 0,
+//         2, 4, 4, 11, 0,
+//         0, 12, 6, 19, 0,
+//         0, 9, 5, 11, 0,
+//         1, 4, 3, 11, 0,
+//         0, 11, 5, 19, 0,
+//         0, 8, 1, 11, 0,
+//         1, 4, 3, 11, 0,
+//         0, 11, 8, 19, 0,
+//         0, 11, 1, 11, 0,
+//         2, 13, 3, 5, 0,
+//         0, 4, 4, 11, 0,
+//         0, 5, 1, 19, 0,
+//         0, 3, 4, 11, 0,
+//         0, 5, 1, 19, 0,
+//         0, 40, 4, 11, 0,
+//         0, 5, 6, 19, 0,
+//         0, -42, 4, 19, 0,
+//         0, 7, 7, 19, 0,
+//         0, 8, 1, 19, 0,
+//         0, 3, 1, 19, 0,
+//         2, 8, 6, 19, 0,
+//         0, 9, 1, 19, 0,
+//         0, 4, 1, 19, 0,
+//         3, 13, 4, 10, 0,
+//         2, 8, 7, 19, 0,
+//         0, 9, 6, 19, 0,
+//         1, 8, 6, 19, 0,
+//         0, 9, 4, 11, 0,
+//         2, 8, 6, 19, 0,
+//         0, 9, 5, 11, 0,
+//         3, 13, 7, 10, 0,
+//         0, 8, 4, 11, 0,
+//         0, 5, 1, 19, 0,
+//         0, 3, 4, 11, 0,
+//         0, 5, 1, 19, 0,
+//         2, 8, 5, 19, 0,
+//         1, 8, 8, 19, 0,
+//         0, 11, 8, 19, 0,
+//         0, 11, 1, 19, 0,
+//         0, 4, 1, 19, 0
+//     ]
+// }

test/libsolidity/lsp/semanticTokens/structs.sol

@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity >=0.8.0;
+
+struct Tag
+{
+    uint id;
+    string name;
+}
+
+struct RGBColor
+{
+    uint8 red;
+    uint8 green;
+    uint8 blue;
+    Tag tag;
+}
+
+function memberAccess(RGBColor memory color) pure returns(uint)
+{
+    return color.red + color.green + color.blue;
+}
+// ----
+// -> textDocument/semanticTokens/full {
+// }
+// <- {
+//     "data": [
+//         1, 0, 24, 8, 0,
+//         4, 4, 4, 11, 0,
+//         0, 5, 2, 19, 0,
+//         1, 4, 6, 17, 0,
+//         0, 7, 4, 19, 0,
+//         5, 4, 5, 11, 0,
+//         0, 6, 3, 19, 0,
+//         1, 4, 5, 11, 0,
+//         0, 6, 5, 19, 0,
+//         1, 4, 5, 11, 0,
+//         0, 6, 4, 19, 0,
+//         1, 4, 3, 16, 0,
+//         0, 4, 3, 19, 0,
+//         3, 9, 12, 5, 0,
+//         0, 13, 8, 16, 0,
+//         0, 16, 5, 19, 0,
+//         0, 20, 4, 11, 0,
+//         2, 17, 3, 19, 0,
+//         0, 12, 5, 19, 0,
+//         0, 14, 4, 19, 0
+//     ]
+// }