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Clang import: CXXRecordDecl, CXXMethodDecl

This commit is contained in:
Daniel Marjamäki 2020-01-08 19:32:04 +01:00
parent 5ffd6d744c
commit 64953f36b3
2 changed files with 89 additions and 49 deletions
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119
lib/clangastdump.cpp
View File

@ -32,6 +32,8 @@ static const std::string BreakStmt = "BreakStmt";
static const std::string CallExpr = "CallExpr"; static const std::string CallExpr = "CallExpr";
static const std::string CompoundStmt = "CompoundStmt"; static const std::string CompoundStmt = "CompoundStmt";
static const std::string ContinueStmt = "ContinueStmt"; static const std::string ContinueStmt = "ContinueStmt";
static const std::string CXXMethodDecl = "CXXMethodDecl";
static const std::string CXXRecordDecl = "CXXRecordDecl";
static const std::string DeclRefExpr = "DeclRefExpr"; static const std::string DeclRefExpr = "DeclRefExpr";
static const std::string DeclStmt = "DeclStmt"; static const std::string DeclStmt = "DeclStmt";
static const std::string FieldDecl = "FieldDecl"; static const std::string FieldDecl = "FieldDecl";
@ -158,6 +160,7 @@ namespace clangastdump {
void addTypeTokens(TokenList *tokenList, const std::string &str); void addTypeTokens(TokenList *tokenList, const std::string &str);
Scope *createScope(TokenList *tokenList, Scope::ScopeType scopeType, AstNodePtr astNode); Scope *createScope(TokenList *tokenList, Scope::ScopeType scopeType, AstNodePtr astNode);
Scope *createScope(TokenList *tokenList, Scope::ScopeType scopeType, const std::vector<AstNodePtr> &children); Scope *createScope(TokenList *tokenList, Scope::ScopeType scopeType, const std::vector<AstNodePtr> &children);
void createTokensFunctionDecl(TokenList *tokenList);
Token *createTokensVarDecl(TokenList *tokenList); Token *createTokensVarDecl(TokenList *tokenList);
std::string getSpelling() const; std::string getSpelling() const;
std::string getType() const; std::string getType() const;
@ -344,6 +347,25 @@ Token *clangastdump::AstNode::createTokens(TokenList *tokenList)
} }
if (nodeType == ContinueStmt) if (nodeType == ContinueStmt)
return addtoken(tokenList, "continue"); return addtoken(tokenList, "continue");
if (nodeType == CXXMethodDecl) {
createTokensFunctionDecl(tokenList);
return nullptr;
}
if (nodeType == CXXRecordDecl) {
Token *classToken = addtoken(tokenList, "class");
Token *nameToken = addtoken(tokenList, mExtTokens[mExtTokens.size() - 2]);
std::vector<AstNodePtr> children2;
for (auto child: children) {
if (child->nodeType == "CXXMethodDecl")
children2.push_back(child);
}
Scope *scope = createScope(tokenList, Scope::ScopeType::eClass, children2);
scope->classDef = classToken;
scope->className = nameToken->str();
mData->mSymbolDatabase->typeList.push_back(Type(classToken, scope, classToken->scope()));
scope->definedType = &mData->mSymbolDatabase->typeList.back();
return nullptr;
}
if (nodeType == DeclStmt) if (nodeType == DeclStmt)
return children[0]->createTokens(tokenList); return children[0]->createTokens(tokenList);
if (nodeType == DeclRefExpr) { if (nodeType == DeclRefExpr) {
@ -374,52 +396,7 @@ Token *clangastdump::AstNode::createTokens(TokenList *tokenList)
return nullptr; return nullptr;
} }
if (nodeType == FunctionDecl) { if (nodeType == FunctionDecl) {
SymbolDatabase *symbolDatabase = mData->mSymbolDatabase; createTokensFunctionDecl(tokenList);
const int nameIndex = (mExtTokens.back() == "extern") ?
(mExtTokens.size() - 3) :
(mExtTokens.size() - 2);
const int retTypeIndex = nameIndex + 1;
addTypeTokens(tokenList, mExtTokens[retTypeIndex]);
Token *nameToken = addtoken(tokenList, mExtTokens[nameIndex]);
Scope *nestedIn = const_cast<Scope *>(nameToken->scope());
symbolDatabase->scopeList.push_back(Scope(nullptr, nullptr, nestedIn));
Scope &scope = symbolDatabase->scopeList.back();
symbolDatabase->functionScopes.push_back(&scope);
nestedIn->functionList.push_back(Function(nameToken));
scope.function = &nestedIn->functionList.back();
scope.type = Scope::ScopeType::eFunction;
scope.className = nameToken->str();
mData->funcDecl(mExtTokens.front(), nameToken, scope.function);
Token *par1 = addtoken(tokenList, "(");
// Function arguments
for (AstNodePtr child: children) {
if (child->nodeType != ParmVarDecl)
continue;
if (tokenList->back() != par1)
addtoken(tokenList, ",");
addTypeTokens(tokenList, child->mExtTokens.back());
const std::string spelling = child->getSpelling();
if (!spelling.empty()) {
const std::string addr = child->mExtTokens[0];
Token *vartok = addtoken(tokenList, spelling);
scope.function->argumentList.push_back(Variable(vartok, nullptr, nullptr, 0, AccessControl::Argument, nullptr, &scope, nullptr));
mData->varDecl(addr, vartok, &scope.function->argumentList.back());
}
}
Token *par2 = addtoken(tokenList, ")");
par1->link(par2);
// Function body
if (!children.empty() && children.back()->nodeType == CompoundStmt) {
Token *bodyStart = addtoken(tokenList, "{");
bodyStart->scope(&scope);
children.back()->createTokens(tokenList);
Token *bodyEnd = addtoken(tokenList, "}");
scope.bodyStart = bodyStart;
scope.bodyEnd = bodyEnd;
bodyStart->link(bodyEnd);
} else {
addtoken(tokenList, ";");
}
return nullptr; return nullptr;
} }
if (nodeType == IfStmt) { if (nodeType == IfStmt) {
@ -515,6 +492,56 @@ Token *clangastdump::AstNode::createTokens(TokenList *tokenList)
return addtoken(tokenList, "?" + nodeType + "?"); return addtoken(tokenList, "?" + nodeType + "?");
} }
void clangastdump::AstNode::createTokensFunctionDecl(TokenList *tokenList)
{
SymbolDatabase *symbolDatabase = mData->mSymbolDatabase;
const int nameIndex = (mExtTokens.back() == "extern") ?
(mExtTokens.size() - 3) :
(mExtTokens.size() - 2);
const int retTypeIndex = nameIndex + 1;
addTypeTokens(tokenList, mExtTokens[retTypeIndex]);
Token *nameToken = addtoken(tokenList, mExtTokens[nameIndex]);
Scope *nestedIn = const_cast<Scope *>(nameToken->scope());
symbolDatabase->scopeList.push_back(Scope(nullptr, nullptr, nestedIn));
Scope &scope = symbolDatabase->scopeList.back();
symbolDatabase->functionScopes.push_back(&scope);
nestedIn->functionList.push_back(Function(nameToken));
scope.function = &nestedIn->functionList.back();
scope.type = Scope::ScopeType::eFunction;
scope.className = nameToken->str();
mData->funcDecl(mExtTokens.front(), nameToken, scope.function);
Token *par1 = addtoken(tokenList, "(");
// Function arguments
for (AstNodePtr child: children) {
if (child->nodeType != ParmVarDecl)
continue;
if (tokenList->back() != par1)
addtoken(tokenList, ",");
addTypeTokens(tokenList, child->mExtTokens.back());
const std::string spelling = child->getSpelling();
if (!spelling.empty()) {
const std::string addr = child->mExtTokens[0];
Token *vartok = addtoken(tokenList, spelling);
scope.function->argumentList.push_back(Variable(vartok, nullptr, nullptr, 0, AccessControl::Argument, nullptr, &scope, nullptr));
mData->varDecl(addr, vartok, &scope.function->argumentList.back());
}
}
Token *par2 = addtoken(tokenList, ")");
par1->link(par2);
// Function body
if (!children.empty() && children.back()->nodeType == CompoundStmt) {
Token *bodyStart = addtoken(tokenList, "{");
bodyStart->scope(&scope);
children.back()->createTokens(tokenList);
Token *bodyEnd = addtoken(tokenList, "}");
scope.bodyStart = bodyStart;
scope.bodyEnd = bodyEnd;
bodyStart->link(bodyEnd);
} else {
addtoken(tokenList, ";");
}
}
Token * clangastdump::AstNode::createTokensVarDecl(TokenList *tokenList) Token * clangastdump::AstNode::createTokensVarDecl(TokenList *tokenList)
{ {
const std::string addr = mExtTokens.front(); const std::string addr = mExtTokens.front();

19
test/testclangastdump.cpp
View File

@ -30,6 +30,7 @@ public:
private: private:
void run() OVERRIDE { void run() OVERRIDE {
TEST_CASE(breakStmt); TEST_CASE(breakStmt);
TEST_CASE(class1);
TEST_CASE(continueStmt); TEST_CASE(continueStmt);
TEST_CASE(forStmt); TEST_CASE(forStmt);
TEST_CASE(funcdecl1); TEST_CASE(funcdecl1);
@ -49,9 +50,6 @@ private:
TEST_CASE(vardecl4); TEST_CASE(vardecl4);
TEST_CASE(vardecl5); TEST_CASE(vardecl5);
TEST_CASE(whileStmt); TEST_CASE(whileStmt);
// C++..
TEST_CASE(namespaceDecl);
} }
std::string parse(const char clang[]) { std::string parse(const char clang[]) {
@ -72,6 +70,21 @@ private:
ASSERT_EQUALS("void foo ( ) { while ( 0 ) { break ; } ; }", parse(clang)); ASSERT_EQUALS("void foo ( ) { while ( 0 ) { break ; } ; }", parse(clang));
} }
void class1() {
const char clang[] = "`-CXXRecordDecl 0x274c638 <a.cpp:1:1, col:25> col:7 class C definition\n"
" |-DefinitionData pass_in_registers empty aggregate standard_layout trivially_copyable pod trivial literal has_constexpr_non_copy_move_ctor can_const_default_init\n"
" | |-DefaultConstructor exists trivial constexpr needs_implicit defaulted_is_constexpr\n"
" | |-CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param\n"
" | |-MoveConstructor exists simple trivial needs_implicit\n"
" | |-CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param\n"
" | |-MoveAssignment exists simple trivial needs_implicit\n"
" | `-Destructor simple irrelevant trivial needs_implicit\n"
" |-CXXRecordDecl 0x274c758 <col:1, col:7> col:7 implicit class C\n"
" `-CXXMethodDecl 0x274c870 <col:11, col:23> col:16 foo 'void ()'\n"
" `-CompoundStmt 0x274c930 <col:22, col:23>";
ASSERT_EQUALS("class C { void foo ( ) { } }", parse(clang));
}
void continueStmt() { void continueStmt() {
const char clang[] = "`-FunctionDecl 0x2c31b18 <1.c:1:1, col:34> col:6 foo 'void ()'\n" const char clang[] = "`-FunctionDecl 0x2c31b18 <1.c:1:1, col:34> col:6 foo 'void ()'\n"
" `-CompoundStmt 0x2c31c40 <col:12, col:34>\n" " `-CompoundStmt 0x2c31c40 <col:12, col:34>\n"