2024 10 30 rain string

.github/workflows/rainix.yaml

@@ -34,9 +34,9 @@ jobs:
       - uses: DeterminateSystems/nix-installer-action@main
       - uses: DeterminateSystems/magic-nix-cache-action@main
 
-      - run: nix develop --command rainix-sol-prelude
-      - run: nix develop --command rainix-rs-prelude
-      - run: nix develop --command i9r-prelude
+      - run: nix develop -c rainix-sol-prelude
+      - run: nix develop -c rainix-rs-prelude
+      - run: nix develop -c i9r-prelude
       - name: Run ${{ matrix.task }}
         env:
           ETH_RPC_URL: ${{ secrets.CI_DEPLOY_SEPOLIA_RPC_URL || vars.CI_DEPLOY_SEPOLIA_RPC_URL }}
@@ -47,4 +47,4 @@ jobs:
           CI_FORK_SEPOLIA_BLOCK_NUMBER: ${{ vars.CI_FORK_SEPOLIA_BLOCK_NUMBER }}
           CI_FORK_SEPOLIA_DEPLOYER_ADDRESS: ${{ vars.CI_FORK_SEPOLIA_DEPLOYER_ADDRESS }}
           CI_DEPLOY_SEPOLIA_RPC_URL: ${{ secrets.CI_DEPLOY_SEPOLIA_RPC_URL || vars.CI_DEPLOY_SEPOLIA_RPC_URL }}
-        run: nix develop --command ${{ matrix.task }}
+        run: nix develop -c ${{ matrix.task }}

.gitmodules

@@ -19,3 +19,6 @@
 [submodule "lib/rain.math.float"]
 	path = lib/rain.math.float
 	url = https://github.com/rainlanguage/rain.math.float
+[submodule "lib/rain.string"]
+	path = lib/rain.string
+	url = https://github.com/rainlanguage/rain.string

src/abstract/BaseRainterpreterSubParserNPE2.sol

@@ -7,7 +7,7 @@ import {LibBytes, Pointer} from "rain.solmem/lib/LibBytes.sol";
 import {ISubParserV3, AuthoringMetaV2} from "rain.interpreter.interface/interface/ISubParserV3.sol";
 import {IncompatibleSubParser} from "../error/ErrSubParse.sol";
 import {LibSubParse, ParseState, CURRENT_COMPATIBILITY} from "../lib/parse/LibSubParse.sol";
-import {CMASK_RHS_WORD_TAIL} from "../lib/parse/LibParseCMask.sol";
+import {CMASK_RHS_WORD_TAIL} from "rain.string/lib/parse/LibParseCMask.sol";
 import {LibParse, Operand} from "../lib/parse/LibParse.sol";
 import {LibParseMeta} from "rain.interpreter.interface/lib/parse/LibParseMeta.sol";
 import {LibParseOperand} from "../lib/parse/LibParseOperand.sol";

src/lib/parse/LibParse.sol

@@ -19,7 +19,8 @@ import {
     COMMENT_START_SEQUENCE,
     COMMENT_END_SEQUENCE,
     CMASK_IDENTIFIER_HEAD
-} from "./LibParseCMask.sol";
+} from "rain.string/lib/parse/LibParseCMask.sol";
+import {LibParseChar} from "rain.string/lib/parse/LibParseChar.sol";
 import {LibCtPop} from "rain.math.binary/lib/LibCtPop.sol";
 import {LibParseMeta} from "rain.interpreter.interface/lib/parse/LibParseMeta.sol";
 import {LibParseLiteral} from "./literal/LibParseLiteral.sol";
@@ -121,25 +122,6 @@ library LibParse {
         }
     }
 
-    /// Skip an unlimited number of chars until we find one that is not in the
-    /// mask.
-    function skipMask(uint256 cursor, uint256 end, uint256 mask) internal pure returns (uint256) {
-        assembly ("memory-safe") {
-            //slither-disable-next-line incorrect-shift
-            for {} and(lt(cursor, end), gt(and(shl(byte(0, mload(cursor)), 1), mask), 0)) { cursor := add(cursor, 1) } {}
-        }
-        return cursor;
-    }
-
-    /// Checks if the cursor points at a char of the given mask, and is in range
-    /// of end.
-    function isMask(uint256 cursor, uint256 end, uint256 mask) internal pure returns (uint256 result) {
-        assembly ("memory-safe") {
-            //slither-disable-next-line incorrect-shift
-            result := and(lt(cursor, end), iszero(iszero(and(shl(byte(0, mload(cursor)), 1), mask))))
-        }
-    }
-
     function parseLHS(ParseState memory state, uint256 cursor, uint256 end) internal pure returns (uint256) {
         unchecked {
             while (cursor < end) {
@@ -169,7 +151,7 @@ library LibParse {
                     }
                     // Anon stack item.
                     else {
-                        cursor = skipMask(cursor + 1, end, CMASK_LHS_STACK_TAIL);
+                        cursor = LibParseChar.skipMask(cursor + 1, end, CMASK_LHS_STACK_TAIL);
                     }
                     // Bump the index regardless of whether the stack
                     // item is named or not.
@@ -179,7 +161,7 @@ library LibParse {
                     // Set yang as we are now building a stack item.
                     state.fsm |= FSM_YANG_MASK | FSM_ACTIVE_SOURCE_MASK;
                 } else if (char & CMASK_WHITESPACE != 0) {
-                    cursor = skipMask(cursor + 1, end, CMASK_WHITESPACE);
+                    cursor = LibParseChar.skipMask(cursor + 1, end, CMASK_WHITESPACE);
                     // Set ying as we now open to possibilities.
                     state.fsm &= ~FSM_YANG_MASK;
                 } else if (char & CMASK_LHS_RHS_DELIMITER != 0) {
@@ -374,7 +356,7 @@ library LibParse {
                     state.highwater();
                     cursor++;
                 } else if (char & CMASK_WHITESPACE > 0) {
-                    cursor = skipMask(cursor + 1, end, CMASK_WHITESPACE);
+                    cursor = LibParseChar.skipMask(cursor + 1, end, CMASK_WHITESPACE);
                     // Set yin as we now open to possibilities.
                     state.fsm &= ~FSM_YANG_MASK;
                 }