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Introduce the concept of builtin functions.

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This commit is contained in:
chriseth
2018-12-04 12:06:33 +01:00
parent e49f37be7f
commit 99db4e3ff4
16 changed files with 148 additions and 62 deletions
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libyul/AsmParser.cpp
+13 -13
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@@ -107,7 +107,7 @@ Statement Parser::parseStatement()
return parseForLoop();
case Token::Assign:
{
if (m_flavour != AsmFlavour::Loose)
if (m_dialect.flavour != AsmFlavour::Loose)
break;
StackAssignment assignment = createWithLocation<StackAssignment>();
advance();
@@ -174,7 +174,7 @@ Statement Parser::parseStatement()
if (currentToken() == Token::Assign && peekNextToken() != Token::Colon)
{
Assignment assignment = createWithLocation<Assignment>(identifier.location);
if (m_flavour != AsmFlavour::Yul && instructions().count(identifier.name.str()))
if (m_dialect.flavour != AsmFlavour::Yul && instructions().count(identifier.name.str()))
fatalParserError("Cannot use instruction names for identifier names.");
advance();
assignment.variableNames.emplace_back(identifier);
@@ -185,7 +185,7 @@ Statement Parser::parseStatement()
else
{
// label
if (m_flavour != AsmFlavour::Loose)
if (m_dialect.flavour != AsmFlavour::Loose)
fatalParserError("Labels are not supported.");
Label label = createWithLocation<Label>(identifier.location);
label.name = identifier.name;
@@ -193,7 +193,7 @@ Statement Parser::parseStatement()
}
}
default:
if (m_flavour != AsmFlavour::Loose)
if (m_dialect.flavour != AsmFlavour::Loose)
fatalParserError("Call or assignment expected.");
break;
}
@@ -269,7 +269,7 @@ Expression Parser::parseExpression()
instructionNames().at(instr.instruction) +
"\" not allowed in this context."
);
if (m_flavour != AsmFlavour::Loose && currentToken() != Token::LParen)
if (m_dialect.flavour != AsmFlavour::Loose && currentToken() != Token::LParen)
fatalParserError(
"Non-functional instructions are not allowed in this context."
);
@@ -289,7 +289,7 @@ Expression Parser::parseExpression()
else if (operation.type() == typeid(Instruction))
{
// Instructions not taking arguments are allowed as expressions.
solAssert(m_flavour == AsmFlavour::Loose, "");
solAssert(m_dialect.flavour == AsmFlavour::Loose, "");
Instruction& instr = boost::get<Instruction>(operation);
return FunctionalInstruction{std::move(instr.location), instr.instruction, {}};
}
@@ -358,7 +358,7 @@ Parser::ElementaryOperation Parser::parseElementaryOperation()
else
literal = YulString{currentLiteral()};
// first search the set of instructions.
if (m_flavour != AsmFlavour::Yul && instructions().count(literal.str()))
if (m_dialect.flavour != AsmFlavour::Yul && instructions().count(literal.str()))
{
dev::solidity::Instruction const& instr = instructions().at(literal.str());
ret = Instruction{location(), instr};
@@ -399,7 +399,7 @@ Parser::ElementaryOperation Parser::parseElementaryOperation()
{}
};
advance();
if (m_flavour == AsmFlavour::Yul)
if (m_dialect.flavour == AsmFlavour::Yul)
{
expectToken(Token::Colon);
literal.location.end = endPosition();
@@ -412,7 +412,7 @@ Parser::ElementaryOperation Parser::parseElementaryOperation()
}
default:
fatalParserError(
m_flavour == AsmFlavour::Yul ?
m_dialect.flavour == AsmFlavour::Yul ?
"Literal or identifier expected." :
"Literal, identifier or instruction expected."
);
@@ -482,7 +482,7 @@ Expression Parser::parseCall(Parser::ElementaryOperation&& _initialOp)
RecursionGuard recursionGuard(*this);
if (_initialOp.type() == typeid(Instruction))
{
solAssert(m_flavour != AsmFlavour::Yul, "Instructions are invalid in Yul");
solAssert(m_dialect.flavour != AsmFlavour::Yul, "Instructions are invalid in Yul");
Instruction& instruction = boost::get<Instruction>(_initialOp);
FunctionalInstruction ret;
ret.instruction = instruction.instruction;
@@ -553,7 +553,7 @@ Expression Parser::parseCall(Parser::ElementaryOperation&& _initialOp)
}
else
fatalParserError(
m_flavour == AsmFlavour::Yul ?
m_dialect.flavour == AsmFlavour::Yul ?
"Function name expected." :
"Assembly instruction or function name required in front of \"(\")"
);
@@ -566,7 +566,7 @@ TypedName Parser::parseTypedName()
RecursionGuard recursionGuard(*this);
TypedName typedName = createWithLocation<TypedName>();
typedName.name = expectAsmIdentifier();
if (m_flavour == AsmFlavour::Yul)
if (m_dialect.flavour == AsmFlavour::Yul)
{
expectToken(Token::Colon);
typedName.location.end = endPosition();
@@ -578,7 +578,7 @@ TypedName Parser::parseTypedName()
YulString Parser::expectAsmIdentifier()
{
YulString name = YulString{currentLiteral()};
if (m_flavour == AsmFlavour::Yul)
if (m_dialect.flavour == AsmFlavour::Yul)
{
switch (currentToken())
{