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https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
Add version pragma parsing to Parser
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@ -114,7 +114,7 @@ bool SyntaxChecker::visit(PragmaDirective const& _pragma)
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vector<string> literals(_pragma.literals().begin() + 1, _pragma.literals().end());
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vector<string> literals(_pragma.literals().begin() + 1, _pragma.literals().end());
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SemVerMatchExpressionParser parser(tokens, literals);
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SemVerMatchExpressionParser parser(tokens, literals);
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auto matchExpression = parser.parse();
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auto matchExpression = parser.parse();
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SemVerVersion currentVersion{string(VersionString)};
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static SemVerVersion const currentVersion{string(VersionString)};
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if (!matchExpression.matches(currentVersion))
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if (!matchExpression.matches(currentVersion))
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m_errorReporter.syntaxError(
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m_errorReporter.syntaxError(
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_pragma.location(),
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_pragma.location(),
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@ -22,6 +22,8 @@
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#include <libsolidity/parsing/Parser.h>
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#include <libsolidity/parsing/Parser.h>
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#include <libsolidity/analysis/SemVerHandler.h>
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#include <libsolidity/interface/Version.h>
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#include <libyul/AsmParser.h>
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#include <libyul/AsmParser.h>
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#include <libyul/backends/evm/EVMDialect.h>
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#include <libyul/backends/evm/EVMDialect.h>
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#include <liblangutil/ErrorReporter.h>
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#include <liblangutil/ErrorReporter.h>
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@ -106,6 +108,20 @@ ASTPointer<SourceUnit> Parser::parse(shared_ptr<Scanner> const& _scanner)
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}
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}
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}
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}
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void Parser::parsePragmaVersion(vector<Token> const& tokens, vector<string> const& literals)
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{
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SemVerMatchExpressionParser parser(tokens, literals);
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auto matchExpression = parser.parse();
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static SemVerVersion const currentVersion{string(VersionString)};
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// FIXME: only match for major version incompatibility
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if (!matchExpression.matches(currentVersion))
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fatalParserError(
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"Source file requires different compiler version (current compiler is " +
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string(VersionString) + " - note that nightly builds are considered to be "
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"strictly less than the released version"
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);
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}
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ASTPointer<PragmaDirective> Parser::parsePragmaDirective()
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ASTPointer<PragmaDirective> Parser::parsePragmaDirective()
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{
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{
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RecursionGuard recursionGuard(*this);
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RecursionGuard recursionGuard(*this);
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@ -134,6 +150,15 @@ ASTPointer<PragmaDirective> Parser::parsePragmaDirective()
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while (m_scanner->currentToken() != Token::Semicolon && m_scanner->currentToken() != Token::EOS);
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while (m_scanner->currentToken() != Token::Semicolon && m_scanner->currentToken() != Token::EOS);
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nodeFactory.markEndPosition();
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nodeFactory.markEndPosition();
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expectToken(Token::Semicolon);
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expectToken(Token::Semicolon);
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if (literals.size() >= 2 && literals[0] == "solidity")
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{
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parsePragmaVersion(
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vector<Token>(tokens.begin() + 1, tokens.end()),
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vector<string>(literals.begin() + 1, literals.end())
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);
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}
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return nodeFactory.createNode<PragmaDirective>(tokens, literals);
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return nodeFactory.createNode<PragmaDirective>(tokens, literals);
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}
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}
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@ -70,6 +70,7 @@ private:
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///@{
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///@{
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///@name Parsing functions for the AST nodes
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///@name Parsing functions for the AST nodes
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void parsePragmaVersion(std::vector<Token> const& tokens, std::vector<std::string> const& literals);
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ASTPointer<PragmaDirective> parsePragmaDirective();
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ASTPointer<PragmaDirective> parsePragmaDirective();
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ASTPointer<ImportDirective> parseImportDirective();
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ASTPointer<ImportDirective> parseImportDirective();
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ContractDefinition::ContractKind parseContractKind();
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ContractDefinition::ContractKind parseContractKind();
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@ -113,6 +113,15 @@ while(0)
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BOOST_AUTO_TEST_SUITE(SolidityParser)
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BOOST_AUTO_TEST_SUITE(SolidityParser)
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BOOST_AUTO_TEST_CASE(unsatisfied_version_followed_by_invalid_syntax)
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{
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char const* text = R"(
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pragma solidity ^99.99.0;
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this is surely invalid
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)";
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CHECK_PARSE_ERROR(text, "Source file requires different compiler version");
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}
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BOOST_AUTO_TEST_CASE(function_natspec_documentation)
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BOOST_AUTO_TEST_CASE(function_natspec_documentation)
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{
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{
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char const* text = R"(
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char const* text = R"(
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