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2e214f95d3
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2e214f95d3 | ||
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18063377fb | ||
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79c8b3bd6d | ||
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e220ff39fc | ||
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7f259c8a07 | ||
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3d7cf54723 | ||
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ead3797ea0 | ||
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68d9076424 | ||
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9c657167a8 | ||
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0be8408a3a |
@@ -28,9 +28,9 @@ contract Push3IntAdapter {
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view
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returns (uint256)
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{
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// CodeTag.SUBLIST is typically enum = 3, but
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// let's fetch it via
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// (uint8)Push3Interpreter.CodeTag.SUBLIST
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// CodeTag.SUBLIST is typically enum = 4, but
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// let's fetch it via
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// (uint8)Push3Interpreter.CodeTag.SUBLIST
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// or we can directly pass 3 if we know the numeric value.
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// We'll do:
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@@ -69,9 +69,12 @@ contract Push3IntAdapter {
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int256[] memory initIntStack = new int256[](1);
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initIntStack[0] = in1;
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// No bool stack
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bool[] memory initBoolStack = new bool[](0);
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// 4) Run
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(, , int256[] memory finalIntStack) =
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interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
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(, , int256[] memory finalIntStack,) =
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interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
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// 5) Return top of final int stack
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require(finalIntStack.length > 0, "No integer output produced");
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@@ -96,11 +99,13 @@ contract Push3IntAdapter {
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initIntStack[0] = in1;
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initIntStack[1] = in2;
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(, , int256[] memory finalIntStack) =
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interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
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bool[] memory initBoolStack = new bool[](0);
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(, , int256[] memory finalIntStack,) =
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interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
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require(finalIntStack.length > 0, "No integer output");
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out1 = finalIntStack[finalIntStack.length - 1];
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}
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@@ -121,8 +126,10 @@ contract Push3IntAdapter {
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int256[] memory initIntStack = new int256[](1);
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initIntStack[0] = in1;
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(, , int256[] memory finalIntStack) =
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interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
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bool[] memory initBoolStack = new bool[](0);
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(, , int256[] memory finalIntStack,) =
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interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
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require(finalIntStack.length >= 2, "Not enough outputs");
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out1 = finalIntStack[finalIntStack.length - 1];
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@@ -130,7 +137,7 @@ contract Push3IntAdapter {
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}
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/**
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* @notice Zero int input, returns entire final int stack
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* @notice Zero int input, returns entire final int stack
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*/
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function run0InNOut(bytes calldata code)
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external
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@@ -143,9 +150,10 @@ contract Push3IntAdapter {
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uint256[] memory initCodeStack = new uint256[](0);
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int256[] memory initIntStack = new int256[](0);
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bool[] memory initBoolStack = new bool[](0);
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(, , int256[] memory finalIntStack) =
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interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
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(, , int256[] memory finalIntStack,) =
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interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
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return finalIntStack;
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}
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+152
-100
@@ -9,10 +9,14 @@ import "forge-std/console.sol";
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* a token-based bytecode approach.
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*/
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contract Push3Interpreter {
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// ReadUint`numBits` out of the code range.
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error ReadUintOutOfRange(uint256 numBits);
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// -----------------------------------------------------
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// 0. CONSTANTS
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// -----------------------------------------------------
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uint8 internal constant OPCODE_BOOL_OFFSET = 0x6;
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uint8 internal constant OPCODE_INTEGER_OFFSET = 0x05;
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uint8 internal constant OPCODE_BOOL_OFFSET = 0x0a;
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uint8 internal constant OPCODE_LAST = OPCODE_BOOL_OFFSET + 0x10;
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// -----------------------------------------------------
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// 1. ENUMS
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@@ -21,18 +25,22 @@ contract Push3Interpreter {
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NO_TAG, // 0
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INSTRUCTION, // 1
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INT_LITERAL, // 2
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SUBLIST, // 3
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BOOL_LITERAL // 4
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BOOL_LITERAL, // 3
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SUBLIST // 4
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}
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enum OpCode {
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NOOP, // 0
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INTEGER_PLUS, // 1
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INTEGER_MINUS, // 2
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INTEGER_MULT, // 3
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INTEGER_DUP, // 4
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INTEGER_POP, // 5
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BOOL_DUP, // OPCODE_BOOL_OFFSET + 0
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NOOP_1, // 1 - empty for INSTRUCTION
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NOOP_2, // 2 - empty for INT_LITERAL
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NOOP_3, // 3 - empty for BOOL_LITERAL
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NOOP_4, // 4 - empty for SUBLIST
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INTEGER_PLUS, // 5 - OPCODE_INTEGER_OFFSET
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INTEGER_MINUS, // OPCODE_INTEGER_OFFSET + 1
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INTEGER_MULT, // OPCODE_INTEGER_OFFSET + 2
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INTEGER_DUP, // OPCODE_INTEGER_OFFSET + 3
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INTEGER_POP, // OPCODE_INTEGER_OFFSET + 4
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BOOL_DUP, // 10 - OPCODE_BOOL_OFFSET
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BOOL_POP, // OPCODE_BOOL_OFFSET + 1
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BOOL_SWAP, // OPCODE_BOOL_OFFSET + 2
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BOOL_FLUSH, // OPCODE_BOOL_OFFSET + 3
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@@ -127,47 +135,62 @@ contract Push3Interpreter {
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// 3. HELPER READS
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// -----------------------------------------------------
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/**
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* @dev Read `x` bytes from `code` at `start` as uint.
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*/
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function readUint(bytes calldata code, uint32 start, uint256 numBytes) internal pure returns (uint256 word) {
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uint256 numBits = numBytes * 8;
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if (start + numBytes > code.length) revert ReadUintOutOfRange(numBits);
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assembly {
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let buf := mload(0x40) // free memory
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// copy exactly x bytes from code into buf
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calldatacopy(buf, add(code.offset, start), numBytes)
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word := mload(buf)
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}
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word >>= 256 - numBits;
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}
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/**
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* @dev Read 4 bytes from `code` at `start` as uint32.
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*/
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function readUint32(bytes calldata code, uint32 start) internal pure returns (uint32 val) {
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require(start + 4 <= code.length, "readUint32 out of range");
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uint256 word;
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assembly {
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let buf := mload(0x40) // free memory
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// copy exactly 4 bytes from code into buf
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calldatacopy(buf, add(code.offset, start), 4)
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word := mload(buf)
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}
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val = uint32(word >> 224);
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val = uint32(readUint(code, start, 4));
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}
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/**
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* @dev Read 2 bytes from `code` at `start` as uint16.
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*/
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function readUint16(bytes calldata code, uint32 start) internal pure returns (uint16 val) {
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require(start + 2 <= code.length, "readUint16 out of range");
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uint256 word;
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assembly {
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let buf := mload(0x40)
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calldatacopy(buf, add(code.offset, start), 2)
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word := mload(buf)
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val := and(word, 0xffff)
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}
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// Not sure this is correct
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val = uint16(word >> 240);
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val = uint16(readUint(code, start, 2));
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}
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/**
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* @dev Read 1 byte from `code` at `start` as uint8.
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*/
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function readUint8(bytes calldata code, uint32 start) internal pure returns (uint8 val) {
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val = uint8(readUint(code, start, 1));
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}
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/**
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* @dev Read 1 byte from `code` at `start` as bool.
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*/
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function readBool(bytes calldata code, uint32 start) internal pure returns (bool val) {
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val = readUint(code, start, 1) & 1 == 1;
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}
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// -----------------------------------------------------
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// 4. SUBLIST PARSING
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// -----------------------------------------------------
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/**
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* Token format:
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* 0x00 => NOOP
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* 0x01 => INTEGER_PLUS
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* Token format is combination of ordered CodeTag and OpCode:
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* 0x00 => NOOP/NO_TAG
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* 0x01 => INSTRUCTION => read next 1 byte => OpCode
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* 0x02 => INT_LITERAL => read next 4 bytes => int32
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* 0x03 => SUBLIST => read next 2 bytes => subLen => parse that
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* 0x04 => INTEGER_MINUS
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* 0x03 => BOOL_LITERAL => read next 1 byte => bool
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* 0x04 => SUBLIST => read next 2 bytes => subLen => parse that
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* 0x05 => INTEGER_PLUS
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* 0x06 => INTEGER_MINUS
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* ... opcode list with type offsets
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*/
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function parseSublist(bytes calldata code, uint32 off, uint32 len)
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internal
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@@ -193,9 +216,15 @@ contract Push3Interpreter {
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count++;
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}
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else if (tokenType == 0x01) {
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// INTEGER_PLUS
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temp[count] = makeInstruction(OpCode.INTEGER_PLUS);
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count++;
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// INSTRUCTION
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if (cur + 1 <= endPos && (cur + 1) <= code.length) {
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uint8 opcode = readUint8(code,cur);
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if (opcode < OPCODE_INTEGER_OFFSET || opcode > OPCODE_LAST) opcode = uint8(0); // NOOP
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temp[count] = makeInstruction(OpCode(opcode));
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count++;
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} else {
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break;
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}
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}
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else if (tokenType == 0x02) {
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// INT_LITERAL => 4 bytes
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@@ -210,6 +239,17 @@ contract Push3Interpreter {
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}
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}
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else if (tokenType == 0x03) {
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// BOOL_LITERAL
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if (cur + 1 <= endPos && (cur + 1) <= code.length) {
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bool val = readBool(code, cur);
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cur += 1;
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temp[count] = makeBoolLiteral(val);
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count++;
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} else {
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break;
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}
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}
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else if (tokenType == 0x04) {
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// SUBLIST => read 2 bytes => length
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if (cur + 2 <= endPos && (cur + 2) <= code.length) {
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uint16 subLen = readUint16(code, cur);
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@@ -227,22 +267,9 @@ contract Push3Interpreter {
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break;
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}
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}
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else if (tokenType == 0x04) {
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// INTEGER_PLUS
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temp[count] = makeInstruction(OpCode.INTEGER_MINUS);
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count++;
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}
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else if (tokenType == 0x05) {
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// INTEGER_PLUS
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temp[count] = makeInstruction(OpCode.INTEGER_MULT);
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count++;
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}
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else if (tokenType == 0x06) {
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temp[count] = makeInstruction(OpCode.INTEGER_DUP);
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count++;
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}
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else if (tokenType == 0x07) {
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temp[count] = makeInstruction(OpCode.INTEGER_POP);
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else if (tokenType <= OPCODE_LAST) {
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// OPCODE
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temp[count] = makeInstruction(OpCode(tokenType));
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count++;
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}
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else {
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@@ -262,17 +289,19 @@ contract Push3Interpreter {
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// 5. MAIN INTERPRETER
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// -----------------------------------------------------
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function runInterpreter(
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bytes calldata code,
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uint256[] calldata initCodeStack,
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uint256[] calldata initExecStack,
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int256[] calldata initIntStack
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bytes calldata code, // non-empty - genetic agent (DNA)
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uint256[] calldata initCodeStack, // empty
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uint256[] calldata initExecStack, // descriptors
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int256[] calldata initIntStack, // 32bit word
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bool[] calldata initBoolStack // bool array
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)
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external
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pure
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returns (
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uint256[] memory finalCodeStack,
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uint256[] memory finalExecStack,
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int256[] memory finalIntStack
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int256[] memory finalIntStack,
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bool[] memory finalBoolStack
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)
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{
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// A) CODE STACK
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@@ -296,6 +325,13 @@ contract Push3Interpreter {
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intStack[k] = initIntStack[k];
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}
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// D) BOOL STACK
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bool[] memory boolStack = new bool[](initBoolStack.length + 256);
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uint256 boolTop = initBoolStack.length;
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for (uint256 k = 0; k < initBoolStack.length; k++) {
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boolStack[k] = initBoolStack[k];
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}
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// D) MAIN LOOP
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while (execTop > 0) {
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uint256 topDesc = execStack[execTop - 1];
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@@ -305,50 +341,56 @@ contract Push3Interpreter {
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if (tag == CodeTag.INSTRUCTION) {
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OpCode op = getOpCode(topDesc);
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if (op == OpCode.NOOP) {
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// do nothing
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if (uint8(op) < OPCODE_INTEGER_OFFSET) {
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// NOOP, do nothing
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}
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else if (op == OpCode.INTEGER_PLUS) {
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// pop top 2 => sum
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if (intTop >= 2) {
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int256 a = intStack[intTop - 1];
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int256 b = intStack[intTop - 2];
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intTop -= 2;
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intStack[intTop] = b + a;
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intTop++;
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else if (uint8(op) < OPCODE_BOOL_OFFSET) {
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// INTEGER OPCODES
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if (op == OpCode.INTEGER_PLUS) {
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// pop top 2 => sum
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if (intTop >= 2) {
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int256 a = intStack[intTop - 1];
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int256 b = intStack[intTop - 2];
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intTop -= 2;
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intStack[intTop] = b + a;
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intTop++;
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}
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}
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else if (op == OpCode.INTEGER_MINUS) {
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// pop top 2 => minus
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if (intTop >= 2) {
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int256 a = intStack[intTop - 1];
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int256 b = intStack[intTop - 2];
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intTop -= 2;
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intStack[intTop] = b - a;
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intTop++;
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}
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}
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else if (op == OpCode.INTEGER_MULT) {
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// pop top 2 => minus
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if (intTop >= 2) {
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int256 a = intStack[intTop - 1];
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int256 b = intStack[intTop - 2];
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intTop -= 2;
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intStack[intTop] = b * a;
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intTop++;
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}
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}
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else if (op == OpCode.INTEGER_DUP) {
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if (intTop >= 1) {
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int256 a = intStack[intTop - 1];
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intStack[intTop] = a;
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intTop++;
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}
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}
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else if (op == OpCode.INTEGER_POP) {
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if (intTop >= 1) {
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intTop -= 1;
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}
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}
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}
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else if (op == OpCode.INTEGER_MINUS) {
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// pop top 2 => minus
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if (intTop >= 2) {
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int256 a = intStack[intTop - 1];
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int256 b = intStack[intTop - 2];
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intTop -= 2;
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intStack[intTop] = b - a;
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intTop++;
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}
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}
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else if (op == OpCode.INTEGER_MULT) {
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// pop top 2 => minus
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if (intTop >= 2) {
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int256 a = intStack[intTop - 1];
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int256 b = intStack[intTop - 2];
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intTop -= 2;
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intStack[intTop] = b * a;
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intTop++;
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}
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}
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else if (op == OpCode.INTEGER_DUP) {
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if (intTop >= 1) {
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int256 a = intStack[intTop - 1];
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intStack[intTop] = a;
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intTop++;
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}
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}
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else if (op == OpCode.INTEGER_POP) {
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if (intTop >= 1) {
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intTop -= 1;
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}
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else if (uint8(op) <= OPCODE_LAST) {
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// BOOL OPCODES
|
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}
|
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}
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else if (tag == CodeTag.INT_LITERAL) {
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@@ -356,6 +398,11 @@ contract Push3Interpreter {
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intStack[intTop] = int256(val);
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intTop++;
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}
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else if (tag == CodeTag.BOOL_LITERAL) {
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bool val = extractBool(topDesc);
|
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boolStack[boolTop] = val;
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boolTop++;
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}
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else if (tag == CodeTag.SUBLIST) {
|
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// parse sublist => push in reverse
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||||
uint32 off = getOffset(topDesc);
|
||||
@@ -363,8 +410,8 @@ contract Push3Interpreter {
|
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|
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if (off + len <= code.length) {
|
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uint256[] memory parsed = parseSublist(code, off, len);
|
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for (uint256 p = 0; p < parsed.length; p++) {
|
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execStack[execTop] = parsed[parsed.length - 1 - p];
|
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for (uint256 p = 0; p < parsed.length; p++) { // index 0 1 2
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execStack[execTop] = parsed[parsed.length - 1 - p]; // [0x01, 0x20, 0x0a]
|
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execTop++;
|
||||
}
|
||||
}
|
||||
@@ -389,5 +436,10 @@ contract Push3Interpreter {
|
||||
for (uint256 i = 0; i < intTop; i++) {
|
||||
finalIntStack[i] = intStack[i];
|
||||
}
|
||||
|
||||
finalBoolStack = new bool[](boolTop);
|
||||
for (uint256 i = 0; i < boolTop; i++) {
|
||||
finalBoolStack[i] = boolStack[i];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -23,12 +23,12 @@ contract Push3IntAdapterTest is Test {
|
||||
}
|
||||
|
||||
/**
|
||||
* @notice Test run1In1Out with a minimal code array.
|
||||
* For example, we might do a program that just leaves its input unchanged
|
||||
* (like a NOOP).
|
||||
* @notice Test run1In1Out with a minimal code array.
|
||||
* For example, we might do a program that just leaves its input unchanged
|
||||
* (like a NOOP).
|
||||
*/
|
||||
function test_run1In1Out_noop() public view {
|
||||
bytes memory code = hex"03000100";
|
||||
bytes memory code = hex"04000100";
|
||||
|
||||
int256 inputVal = 123;
|
||||
int256 result = adapter.run1In1Out(code, inputVal);
|
||||
@@ -41,21 +41,21 @@ contract Push3IntAdapterTest is Test {
|
||||
* @notice Test run2In1Out. We'll push 5, 7, do an op that leaves 12.
|
||||
*/
|
||||
function test_run2In1Out_plus() public view {
|
||||
bytes memory code = hex"03000101";
|
||||
bytes memory code = hex"04000105";
|
||||
|
||||
int256 in1 = 5;
|
||||
int256 in2 = 7;
|
||||
int256 result = adapter.run2In1Out(code, in1, in2);
|
||||
|
||||
|
||||
assertEq(result, 12, "Expected 5 + 7 = 12");
|
||||
}
|
||||
|
||||
/**
|
||||
* @notice Test run1In2Out. Push a constant to a stack with 1.
|
||||
* For now, we do a placeholder code.
|
||||
* For now, we do a placeholder code.
|
||||
*/
|
||||
function test_run1In2Out() public view {
|
||||
bytes memory code = hex"0300050200000003";
|
||||
bytes memory code = hex"0400050200000003";
|
||||
|
||||
int256 inVal = 42;
|
||||
(int256 top, int256 secondTop) = adapter.run1In2Out(code, inVal);
|
||||
@@ -65,12 +65,12 @@ contract Push3IntAdapterTest is Test {
|
||||
}
|
||||
|
||||
/**
|
||||
* @notice Test run0InNOut.
|
||||
* @notice Test run0InNOut.
|
||||
* We'll feed a code that pushes some constants, and see the final stack.
|
||||
*/
|
||||
function test_run0InNOut() public view {
|
||||
|
||||
bytes memory code = hex"03000A02000000030200000005";
|
||||
|
||||
bytes memory code = hex"04000A02000000030200000005";
|
||||
|
||||
int256[] memory stackResult = adapter.run0InNOut(code);
|
||||
|
||||
|
||||
@@ -23,30 +23,30 @@ contract Push3InterpreterTest is Test {
|
||||
* 3) Calls INTEGER_PLUS
|
||||
*
|
||||
* We'll store everything in a single SUBLIST:
|
||||
* 0x03 => SUBLIST
|
||||
* 0x04 => SUBLIST
|
||||
* 0x00 0x0B => subLen=11
|
||||
* Then the next 11 bytes are:
|
||||
* 0x02 + (00 00 00 0A) => INT_LITERAL(10)
|
||||
* 0x02 + (00 00 00 20) => INT_LITERAL(32)
|
||||
* 0x01 => INTEGER_PLUS
|
||||
* 0x05 => INTEGER_PLUS
|
||||
*
|
||||
* So total = 1 + 2 + (1+4 + 1+4 + 1) = 14 bytes
|
||||
* => 0x03 00 0B 02 00 00 00 0A 02 00 00 00 20 01
|
||||
* => 0x04 00 0B 02 00 00 00 0A 02 00 00 00 20 05
|
||||
*/
|
||||
function test_LiteralsAndPlus() public view {
|
||||
// The final code array (14 bytes):
|
||||
// [0] = 0x03
|
||||
// [0] = 0x04
|
||||
// [1..2] = 0x000B
|
||||
// [3] = 0x02
|
||||
// [4..7] = 0x0000000A => 10
|
||||
// [8] = 0x02
|
||||
// [9..12] = 0x00000020 => 32
|
||||
// [13] = 0x01 => plus
|
||||
// [13] = 0x05 => plus
|
||||
|
||||
bytes memory code = hex"03000B020000000A020000002001";
|
||||
bytes memory code = hex"04000B020000000A020000002005";
|
||||
|
||||
// Or fully concatenated:
|
||||
// 0x03 00 0B 02 00 00 00 0A 02 00 00 00 20 01
|
||||
// 0x04 00 0B 02 00 00 00 0A 02 00 00 00 20 05
|
||||
|
||||
// We'll parse offset=0, length=14
|
||||
uint256 sublistDesc = interpreter.makeDescriptor(
|
||||
@@ -61,13 +61,15 @@ contract Push3InterpreterTest is Test {
|
||||
initExecStack[0] = sublistDesc;
|
||||
|
||||
int256[] memory initIntStack = new int256[](0);
|
||||
bool[] memory initBoolStack = new bool[](0);
|
||||
|
||||
// Run it
|
||||
(
|
||||
,
|
||||
,
|
||||
int256[] memory finalIntStack
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
|
||||
,
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
|
||||
|
||||
// Should produce finalIntStack = [42]
|
||||
assertEq(finalIntStack.length, 1, "finalIntStack should have length 1");
|
||||
@@ -78,25 +80,25 @@ contract Push3InterpreterTest is Test {
|
||||
* @notice Test pushing literal 10, literal 3, then INTEGER_MINUS => (10 - 3) = 7
|
||||
*
|
||||
* The plan:
|
||||
* 0x03 => SUBLIST token
|
||||
* 0x04 => SUBLIST token
|
||||
* 0x00 0x0B => subLen=11
|
||||
*
|
||||
* Then 11 bytes:
|
||||
* 0x02 + (00 00 00 0A) => INT_LITERAL(10)
|
||||
* 0x02 + (00 00 00 03) => INT_LITERAL(3)
|
||||
* 0x04 => INTEGER_MINUS (assuming 0x04 is assigned to minus)
|
||||
* 0x06 => INTEGER_MINUS (assuming 0x06 is assigned to minus)
|
||||
*/
|
||||
function test_Minus() public view {
|
||||
// We'll produce 14 total bytes, same structure as the plus example
|
||||
// Format: [0x03, 0x000B, 0x02(10), 0x03(3), 0x04 => minus]
|
||||
// Format: [0x04, 0x000B, 0x02(10), 0x03(3), 0x06 => minus]
|
||||
|
||||
bytes memory code = hex"03000B020000000A020000000304";
|
||||
bytes memory code = hex"04000B020000000A020000000306";
|
||||
// Breaking it down:
|
||||
// 0x03 => SUBLIST
|
||||
// 0x04 => SUBLIST
|
||||
// 0x00 0x0B => length=11
|
||||
// 0x02 0000000A => INT_LITERAL(10)
|
||||
// 0x02 00000003 => INT_LITERAL(3)
|
||||
// 0x04 => INTEGER_MINUS
|
||||
// 0x06 => INTEGER_MINUS
|
||||
|
||||
// We'll parse offset=0, length=14
|
||||
uint256 sublistDesc = interpreter.makeDescriptor(
|
||||
@@ -111,13 +113,15 @@ contract Push3InterpreterTest is Test {
|
||||
initExecStack[0] = sublistDesc;
|
||||
|
||||
int256[] memory initIntStack = new int256[](0);
|
||||
bool[] memory initBoolStack = new bool[](0);
|
||||
|
||||
// Run
|
||||
(
|
||||
,
|
||||
,
|
||||
int256[] memory finalIntStack
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
|
||||
,
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
|
||||
|
||||
// Check final result => should be [7]
|
||||
assertEq(finalIntStack.length, 1, "finalIntStack should have length 1");
|
||||
@@ -128,25 +132,25 @@ contract Push3InterpreterTest is Test {
|
||||
* @notice Test pushing literal 10, literal 3, then INTEGER_MULT => (10 * 3) = 30
|
||||
*
|
||||
* The plan:
|
||||
* 0x03 => SUBLIST token
|
||||
* 0x04 => SUBLIST token
|
||||
* 0x00 0x0B => subLen=11
|
||||
*
|
||||
* Then 11 bytes:
|
||||
* 0x02 + (00 00 00 0A) => INT_LITERAL(10)
|
||||
* 0x02 + (00 00 00 03) => INT_LITERAL(3)
|
||||
* 0x05 => INTEGER_MULT
|
||||
* 0x07 => INTEGER_MULT
|
||||
*/
|
||||
function test_Mult() public view {
|
||||
// We'll produce 14 total bytes, same structure as the plus example
|
||||
// Format: [0x03, 0x000B, 0x02(10), 0x03(3), 0x05 => mul]
|
||||
// Format: [0x04, 0x000B, 0x02(10), 0x02(3), 0x07 => mul]
|
||||
|
||||
bytes memory code = hex"03000B020000000A020000000305";
|
||||
bytes memory code = hex"04000B020000000A020000000307";
|
||||
// Breaking it down:
|
||||
// 0x03 => SUBLIST
|
||||
// 0x04 => SUBLIST
|
||||
// 0x00 0x0B => length=11
|
||||
// 0x02 0000000A => INT_LITERAL(10)
|
||||
// 0x02 00000003 => INT_LITERAL(3)
|
||||
// 0x05 => INTEGER_MUL
|
||||
// 0x07 => INTEGER_MUL
|
||||
|
||||
// We'll parse offset=0, length=14
|
||||
uint256 sublistDesc = interpreter.makeDescriptor(
|
||||
@@ -161,13 +165,15 @@ contract Push3InterpreterTest is Test {
|
||||
initExecStack[0] = sublistDesc;
|
||||
|
||||
int256[] memory initIntStack = new int256[](0);
|
||||
bool[] memory initBoolStack = new bool[](0);
|
||||
|
||||
// Run
|
||||
(
|
||||
,
|
||||
,
|
||||
int256[] memory finalIntStack
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
|
||||
,
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
|
||||
|
||||
// Check final result => should be [30]
|
||||
assertEq(finalIntStack.length, 1, "finalIntStack should have length 1");
|
||||
@@ -176,12 +182,12 @@ contract Push3InterpreterTest is Test {
|
||||
|
||||
function test_Dup() public view {
|
||||
|
||||
bytes memory code = hex"030006020000000A06";
|
||||
bytes memory code = hex"040006020000000A08";
|
||||
|
||||
uint256 sublistDesc = interpreter.makeDescriptor(
|
||||
Push3Interpreter.CodeTag.SUBLIST,
|
||||
0,
|
||||
9,
|
||||
0,
|
||||
9,
|
||||
0
|
||||
);
|
||||
|
||||
@@ -190,13 +196,15 @@ contract Push3InterpreterTest is Test {
|
||||
initExecStack[0] = sublistDesc;
|
||||
|
||||
int256[] memory initIntStack = new int256[](0);
|
||||
bool[] memory initBoolStack = new bool[](0);
|
||||
|
||||
// Run
|
||||
(
|
||||
,
|
||||
,
|
||||
int256[] memory finalIntStack
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
|
||||
,
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
|
||||
|
||||
assertEq(finalIntStack.length, 2, "finalIntStack should have length 1");
|
||||
assertEq(finalIntStack[0], finalIntStack[1], "The top 2 values on the stack should be equal.");
|
||||
@@ -204,12 +212,12 @@ contract Push3InterpreterTest is Test {
|
||||
|
||||
function test_Pop() public view {
|
||||
|
||||
bytes memory code = hex"030006020000000A07";
|
||||
bytes memory code = hex"040006020000000A09";
|
||||
|
||||
uint256 sublistDesc = interpreter.makeDescriptor(
|
||||
Push3Interpreter.CodeTag.SUBLIST,
|
||||
0,
|
||||
9,
|
||||
0,
|
||||
9,
|
||||
0
|
||||
);
|
||||
|
||||
@@ -218,33 +226,35 @@ contract Push3InterpreterTest is Test {
|
||||
initExecStack[0] = sublistDesc;
|
||||
|
||||
int256[] memory initIntStack = new int256[](0);
|
||||
bool[] memory initBoolStack = new bool[](0);
|
||||
|
||||
// Run
|
||||
(
|
||||
,
|
||||
,
|
||||
int256[] memory finalIntStack
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
|
||||
,
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
|
||||
|
||||
assertEq(finalIntStack.length, 0, "finalIntStack should be empty");
|
||||
}
|
||||
|
||||
/**
|
||||
* @notice Test with an unknown token (0xF0).
|
||||
* We expect the parser to treat it as "unknown => NOOP"
|
||||
* We expect the parser to treat it as "unknown => NOOP"
|
||||
* and produce a NOOP instruction descriptor.
|
||||
* We'll confirm finalIntStack remains empty (or unchanged).
|
||||
*/
|
||||
function test_UnknownToken() public view {
|
||||
// We'll create a 5-byte code:
|
||||
// 0x03 => SUBLIST
|
||||
// 0x04 => SUBLIST
|
||||
// 0x00 0x01 => length=1
|
||||
// 0xF0 => unknown token
|
||||
bytes memory code = hex"030001F0";
|
||||
bytes memory code = hex"040001F0";
|
||||
|
||||
// We'll parse offset=0, length=4
|
||||
uint256 sublistDesc = interpreter.makeDescriptor(
|
||||
Push3Interpreter.CodeTag.SUBLIST,
|
||||
Push3Interpreter.CodeTag.SUBLIST,
|
||||
0, // offset
|
||||
4, // length
|
||||
0
|
||||
@@ -255,12 +265,14 @@ contract Push3InterpreterTest is Test {
|
||||
uint256[] memory initExecStack = new uint256[](1);
|
||||
initExecStack[0] = sublistDesc;
|
||||
int256[] memory initIntStack = new int256[](0);
|
||||
bool[] memory initBoolStack = new bool[](0);
|
||||
|
||||
(
|
||||
,
|
||||
,
|
||||
int256[] memory finalIntStack
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
|
||||
,
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
|
||||
|
||||
// finalIntStack should remain empty => no literal was pushed
|
||||
assertEq(finalIntStack.length, 0, "Expected finalIntStack to remain empty with unknown token => NOOP");
|
||||
@@ -268,18 +280,18 @@ contract Push3InterpreterTest is Test {
|
||||
|
||||
/**
|
||||
* @notice Test a partial literal: we claim to have 4 bytes, but the code array ends early.
|
||||
* This should trigger the `else { break; }` branch in parseSublist
|
||||
* This should trigger the `else { break; }` branch in parseSublist
|
||||
* when trying to read 4 bytes for the INT_LITERAL.
|
||||
*/
|
||||
function test_OutOfRangeLiteral() public view {
|
||||
// 0x03 => SUBLIST
|
||||
// 0x04 => SUBLIST
|
||||
// 0x00 0x04 => length=4
|
||||
// 0x02 => INT_LITERAL token
|
||||
// Then we have only 1 byte left instead of 4 => insufficient
|
||||
//
|
||||
// total = 1 + 2 + 1 + 1 = 5 bytes
|
||||
// The parser tries to read 4 bytes after seeing 0x04, fails, hits break.
|
||||
bytes memory code = hex"03000402FF";
|
||||
bytes memory code = hex"04000402FF";
|
||||
|
||||
// parse offset=0, length=5
|
||||
uint256 sublistDesc = interpreter.makeDescriptor(
|
||||
@@ -293,12 +305,14 @@ contract Push3InterpreterTest is Test {
|
||||
uint256[] memory initExecStack = new uint256[](1);
|
||||
initExecStack[0] = sublistDesc;
|
||||
int256[] memory initIntStack = new int256[](0);
|
||||
bool[] memory initBoolStack = new bool[](0);
|
||||
|
||||
(
|
||||
,
|
||||
,
|
||||
int256[] memory finalIntStack
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
|
||||
,
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
|
||||
|
||||
// Because the parse breaks early, we expect finalIntStack is empty or unchanged
|
||||
assertEq(finalIntStack.length, 0, "Expected parse to break on out-of-range literal => no ints pushed");
|
||||
@@ -310,12 +324,12 @@ contract Push3InterpreterTest is Test {
|
||||
* In the main loop, it sees intTop < 2 => it does nothing.
|
||||
*/
|
||||
function test_NotEnoughIntArgs() public view {
|
||||
bytes memory code = hex"030006020000000305";
|
||||
bytes memory code = hex"040006020000000307";
|
||||
// Breaking it down:
|
||||
// 0x03 => SUBLIST
|
||||
// 0x04 => SUBLIST
|
||||
// 0x00 0x06 => length=6
|
||||
// 0x02 00000003 => INT_LITERAL(3)
|
||||
// 0x05 => INTEGER_MUL
|
||||
// 0x07 => INTEGER_MUL
|
||||
|
||||
uint256 sublistDesc = interpreter.makeDescriptor(
|
||||
Push3Interpreter.CodeTag.SUBLIST,
|
||||
@@ -329,14 +343,16 @@ contract Push3InterpreterTest is Test {
|
||||
uint256[] memory initExecStack = new uint256[](1);
|
||||
initExecStack[0] = sublistDesc;
|
||||
int256[] memory initIntStack = new int256[](0);
|
||||
bool[] memory initBoolStack = new bool[](0);
|
||||
|
||||
(
|
||||
,
|
||||
,
|
||||
int256[] memory finalIntStack
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
|
||||
,
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
|
||||
|
||||
// We expect finalIntStack => [5],
|
||||
// We expect finalIntStack => [5],
|
||||
// because the PLUS instruction sees only 1 int => does nothing => 5 remains
|
||||
assertEq(finalIntStack.length, 1, "Should have 1 int left");
|
||||
assertEq(finalIntStack[0], 3, "Expected stack top=3 after insufficient-args plus");
|
||||
@@ -344,12 +360,12 @@ contract Push3InterpreterTest is Test {
|
||||
|
||||
/**
|
||||
* @notice Test sublist length overflow:
|
||||
* subLen claims bigger than the code array. Should trigger else { break; }
|
||||
* subLen claims bigger than the code array. Should trigger else { break; }
|
||||
* in the sublist parsing for that sublist.
|
||||
*/
|
||||
function test_SublistLengthOverflow() public view {
|
||||
|
||||
bytes memory code = hex"050010FFFFFF";
|
||||
|
||||
bytes memory code = hex"050010FFFFFF";
|
||||
|
||||
uint256 sublistDesc = interpreter.makeDescriptor(
|
||||
Push3Interpreter.CodeTag.SUBLIST,
|
||||
@@ -363,12 +379,14 @@ contract Push3InterpreterTest is Test {
|
||||
uint256[] memory initExecStack = new uint256[](1);
|
||||
initExecStack[0] = sublistDesc;
|
||||
int256[] memory initIntStack = new int256[](0);
|
||||
bool[] memory initBoolStack = new bool[](0);
|
||||
|
||||
(
|
||||
,
|
||||
,
|
||||
int256[] memory finalIntStack
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
|
||||
,
|
||||
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack, initBoolStack);
|
||||
|
||||
// Expect no items pushed => finalIntStack empty
|
||||
assertEq(finalIntStack.length, 0, "Expected empty stack if sublist length is out of range => parse break");
|
||||
|
||||
Reference in New Issue
Block a user