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Refactor assembly analysis into scope filling and checking.

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This commit is contained in:
chriseth
2017-04-25 16:49:03 +02:00
committed by chriseth
parent 72fdf755c9
commit 5d6747eb32
9 changed files with 660 additions and 252 deletions
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test/libsolidity/InlineAssembly.cpp
+39 -10
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@@ -63,7 +63,7 @@ boost::optional<Error> parseAndReturnFirstError(string const& _source, bool _ass
}
if (!success)
{
BOOST_CHECK_EQUAL(stack.errors().size(), 1);
BOOST_REQUIRE_EQUAL(stack.errors().size(), 1);
return *stack.errors().front();
}
else
@@ -162,7 +162,7 @@ BOOST_AUTO_TEST_CASE(vardecl)
BOOST_AUTO_TEST_CASE(assignment)
{
BOOST_CHECK(successParse("{ 7 8 add =: x }"));
BOOST_CHECK(successParse("{ let x := 2 7 8 add =: x }"));
}
BOOST_AUTO_TEST_CASE(label)
@@ -177,22 +177,28 @@ BOOST_AUTO_TEST_CASE(label_complex)
BOOST_AUTO_TEST_CASE(functional)
{
BOOST_CHECK(successParse("{ add(7, mul(6, x)) add mul(7, 8) }"));
BOOST_CHECK(successParse("{ let x := 2 add(7, mul(6, x)) mul(7, 8) add }"));
}
BOOST_AUTO_TEST_CASE(functional_assignment)
{
BOOST_CHECK(successParse("{ x := 7 }"));
BOOST_CHECK(successParse("{ let x := 2 x := 7 }"));
}
BOOST_AUTO_TEST_CASE(functional_assignment_complex)
{
BOOST_CHECK(successParse("{ x := add(7, mul(6, x)) add mul(7, 8) }"));
BOOST_CHECK(successParse("{ let x := 2 x := add(7, mul(6, x)) mul(7, 8) add }"));
}
BOOST_AUTO_TEST_CASE(vardecl_complex)
{
BOOST_CHECK(successParse("{ let x := add(7, mul(6, x)) add mul(7, 8) }"));
BOOST_CHECK(successParse("{ let y := 2 let x := add(7, mul(6, y)) add mul(7, 8) }"));
}
BOOST_AUTO_TEST_CASE(variable_use_before_decl)
{
CHECK_PARSE_ERROR("{ x := 2 let x := 3 }", DeclarationError, "Variable x used before it was declared.");
CHECK_PARSE_ERROR("{ let x := mul(2, x) }", DeclarationError, "Variable x used before it was declared.");
}
BOOST_AUTO_TEST_CASE(blocks)
@@ -212,7 +218,28 @@ BOOST_AUTO_TEST_CASE(function_definitions_multiple_args)
BOOST_AUTO_TEST_CASE(function_calls)
{
BOOST_CHECK(successParse("{ g(1, 2, f(mul(2, 3))) x() }"));
BOOST_CHECK(successParse("{ function f(a) {} function g(a, b, c) {} function x() { g(1, 2, f(mul(2, 3))) x() } }"));
}
BOOST_AUTO_TEST_CASE(opcode_for_functions)
{
CHECK_PARSE_ERROR("{ function gas() { } }", ParserError, "Cannot use instruction names for identifier names.");
}
BOOST_AUTO_TEST_CASE(opcode_for_function_args)
{
CHECK_PARSE_ERROR("{ function f(gas) { } }", ParserError, "Cannot use instruction names for identifier names.");
CHECK_PARSE_ERROR("{ function f() -> (gas) { } }", ParserError, "Cannot use instruction names for identifier names.");
}
BOOST_AUTO_TEST_CASE(name_clashes)
{
CHECK_PARSE_ERROR("{ let g := 2 function g() { } }", DeclarationError, "Function name g already taken in this scope");
}
BOOST_AUTO_TEST_CASE(variable_access_cross_functions)
{
CHECK_PARSE_ERROR("{ let x := 2 function g() { x } }", DeclarationError, "Identifier not found.");
}
BOOST_AUTO_TEST_SUITE_END()
@@ -272,7 +299,9 @@ BOOST_AUTO_TEST_CASE(function_definitions_multiple_args)
BOOST_AUTO_TEST_CASE(function_calls)
{
parsePrintCompare("{\n g(1, mul(2, x), f(mul(2, 3)))\n x()\n}");
parsePrintCompare(
"{\n function y()\n {\n }\n function f(a)\n {\n }\n function g(a, b, c)\n {\n }\n g(1, mul(2, address), f(mul(2, caller)))\n y()\n}"
);
}
BOOST_AUTO_TEST_SUITE_END()
@@ -296,8 +325,8 @@ BOOST_AUTO_TEST_CASE(assignment_after_tag)
BOOST_AUTO_TEST_CASE(magic_variables)
{
CHECK_ASSEMBLE_ERROR("{ this pop }", DeclarationError, "Identifier not found or not unique");
CHECK_ASSEMBLE_ERROR("{ ecrecover pop }", DeclarationError, "Identifier not found or not unique");
CHECK_ASSEMBLE_ERROR("{ this pop }", DeclarationError, "Identifier not found");
CHECK_ASSEMBLE_ERROR("{ ecrecover pop }", DeclarationError, "Identifier not found");
BOOST_CHECK(successAssemble("{ let ecrecover := 1 ecrecover }"));
}