Initial EVM1.5 assembly implementation.

3 files changed, 147 insertions, 0 deletions

diff --git a/test/libsolidity/InlineAssembly.cpp b/test/libsolidity/InlineAssembly.cpp
index f0543101..88b2d584 100644
--- a/test/libsolidity/InlineAssembly.cpp
+++ b/test/libsolidity/InlineAssembly.cpp
@@ -481,6 +481,42 @@ BOOST_AUTO_TEST_CASE(revert)
 	BOOST_CHECK(successAssemble("{ revert(0, 0) }"));
 }
 
+BOOST_AUTO_TEST_CASE(function_calls)
+{
+	BOOST_CHECK(successAssemble("{ function f() {} }"));
+	BOOST_CHECK(successAssemble("{ function f() { let y := 2 } }"));
+	BOOST_CHECK(successAssemble("{ function f() -> z { let y := 2 } }"));
+	BOOST_CHECK(successAssemble("{ function f(a) { let y := 2 } }"));
+	BOOST_CHECK(successAssemble("{ function f(a) { let y := a } }"));
+	BOOST_CHECK(successAssemble("{ function f() -> x, y, z {} }"));
+	BOOST_CHECK(successAssemble("{ function f(x, y, z) {} }"));
+	BOOST_CHECK(successAssemble("{ function f(a, b) -> x, y, z { y := a } }"));
+	BOOST_CHECK(successAssemble("{ function f() {} f() }"));
+	BOOST_CHECK(successAssemble("{ function f() -> x, y { x := 1 y := 2} let a, b := f() }"));
+	BOOST_CHECK(successAssemble("{ function f(a, b) -> x, y { x := b y := a } let a, b := f(2, 3) }"));
+	BOOST_CHECK(successAssemble("{ function rec(a) { rec(sub(a, 1)) } rec(2) }"));
+	BOOST_CHECK(successAssemble("{ let r := 2 function f() -> x, y { x := 1 y := 2} let a, b := f() b := r }"));
+}
+
+BOOST_AUTO_TEST_CASE(switch_statement)
+{
+	BOOST_CHECK(successAssemble("{ switch 1 default {} }"));
+	BOOST_CHECK(successAssemble("{ switch 1 case 1 {} default {} }"));
+	BOOST_CHECK(successAssemble("{ switch 1 case 1 {} }"));
+	BOOST_CHECK(successAssemble("{ let a := 3 switch a case 1 { a := 1 } case 2 { a := 5 } a := 9}"));
+	BOOST_CHECK(successAssemble("{ let a := 2 switch calldataload(0) case 1 { a := 1 } case 2 { a := 5 } }"));
+}
+
+BOOST_AUTO_TEST_CASE(large_constant)
+{
+	auto source = R"({
+		switch mul(1, 2)
+		case 0x0000000000000000000000000000000000000000000000000000000026121ff0 {
+		}
+	})";
+	BOOST_CHECK(successAssemble(source));
+}
+
 BOOST_AUTO_TEST_CASE(keccak256)
 {
 	BOOST_CHECK(successAssemble("{ 0 0 keccak256 pop }"));
diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp
index aae8b146..bb8ec112 100644
--- a/test/libsolidity/SolidityEndToEndTest.cpp
+++ b/test/libsolidity/SolidityEndToEndTest.cpp
@@ -7535,6 +7535,102 @@ BOOST_AUTO_TEST_CASE(inline_assembly_function_access)
 	BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(10)));
 }
 
+BOOST_AUTO_TEST_CASE(inline_assembly_function_call)
+{
+	char const* sourceCode = R"(
+		contract C {
+			function f() {
+				assembly {
+					function asmfun(a, b, c) -> x, y, z {
+						x := a
+						y := b
+						z := 7
+					}
+					let a1, b1, c1 := asmfun(1, 2, 3)
+					mstore(0x00, a1)
+					mstore(0x20, b1)
+					mstore(0x40, c1)
+					return(0, 0x60)
+				}
+			}
+		}
+	)";
+	compileAndRun(sourceCode, 0, "C");
+	BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(1), u256(2), u256(7)));
+}
+
+BOOST_AUTO_TEST_CASE(inline_assembly_function_call2)
+{
+	char const* sourceCode = R"(
+		contract C {
+			function f() {
+				assembly {
+					let d := 0x10
+					function asmfun(a, b, c) -> x, y, z {
+						x := a
+						y := b
+						z := 7
+					}
+					let a1, b1, c1 := asmfun(1, 2, 3)
+					mstore(0x00, a1)
+					mstore(0x20, b1)
+					mstore(0x40, c1)
+					mstore(0x60, d)
+					return(0, 0x80)
+				}
+			}
+		}
+	)";
+	compileAndRun(sourceCode, 0, "C");
+	BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(1), u256(2), u256(7), u256(0x10)));
+}
+
+BOOST_AUTO_TEST_CASE(inline_assembly_switch)
+{
+	char const* sourceCode = R"(
+		contract C {
+			function f(uint a) returns (uint b) {
+				assembly {
+					switch a
+					case 1 { b := 8 }
+					case 2 { b := 9 }
+					default { b := 2 }
+				}
+			}
+		}
+	)";
+	compileAndRun(sourceCode, 0, "C");
+	BOOST_CHECK(callContractFunction("f(uint256)", u256(0)) == encodeArgs(u256(2)));
+	BOOST_CHECK(callContractFunction("f(uint256)", u256(1)) == encodeArgs(u256(8)));
+	BOOST_CHECK(callContractFunction("f(uint256)", u256(2)) == encodeArgs(u256(9)));
+	BOOST_CHECK(callContractFunction("f(uint256)", u256(3)) == encodeArgs(u256(2)));
+}
+
+BOOST_AUTO_TEST_CASE(inline_assembly_recursion)
+{
+	char const* sourceCode = R"(
+		contract C {
+			function f(uint a) returns (uint b) {
+				assembly {
+					function fac(n) -> nf {
+						switch n
+						case 0 { nf := 1 }
+						case 1 { nf := 1 }
+						default { nf := mul(n, fac(sub(n, 1))) }
+					}
+					b := fac(a)
+				}
+			}
+		}
+	)";
+	compileAndRun(sourceCode, 0, "C");
+	BOOST_CHECK(callContractFunction("f(uint256)", u256(0)) == encodeArgs(u256(1)));
+	BOOST_CHECK(callContractFunction("f(uint256)", u256(1)) == encodeArgs(u256(1)));
+	BOOST_CHECK(callContractFunction("f(uint256)", u256(2)) == encodeArgs(u256(2)));
+	BOOST_CHECK(callContractFunction("f(uint256)", u256(3)) == encodeArgs(u256(6)));
+	BOOST_CHECK(callContractFunction("f(uint256)", u256(4)) == encodeArgs(u256(24)));
+}
+
 BOOST_AUTO_TEST_CASE(index_access_with_type_conversion)
 {
 	// Test for a bug where higher order bits cleanup was not done for array index access.
diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp
index 71726b93..16e2dea4 100644
--- a/test/libsolidity/SolidityNameAndTypeResolution.cpp
+++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp
@@ -5159,6 +5159,21 @@ BOOST_AUTO_TEST_CASE(inline_assembly_constant_access)
 	CHECK_ERROR(text, TypeError, "Constant variables not supported by inline assembly");
 }
 
+BOOST_AUTO_TEST_CASE(inline_assembly_variable_access_out_of_functions)
+{
+	char const* text = R"(
+		contract test {
+			function f() {
+				uint a;
+				assembly {
+					function g() -> x { x := a }
+				}
+			}
+		}
+	)";
+	CHECK_ERROR(text, DeclarationError, "Inline assembly functions cannot access their outer scope.");
+}
+
 BOOST_AUTO_TEST_CASE(invalid_mobile_type)
 {
 	char const* text = R"(