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RedPanda-CPP
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This commit is contained in:
royqh1979@gmail.com 2021-12-05 10:52:17 +08:00
parent 2e54b4460d
commit 4d6f78b0fc
2 changed files with 160 additions and 15 deletions
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141
RedPandaIDE/parser/cppparser.cpp
View File

@ -252,7 +252,11 @@ PStatement CppParser::findStatementOf(const QString &fileName, const QString &ph
return findStatementOf(fileName,phrase,findAndScanBlockAt(fileName,line));
}
PStatement CppParser::findStatementOf(const QString &fileName, const QString &phrase, const PStatement& currentScope, PStatement &parentScopeType, bool force)
PStatement CppParser::findStatementOf(const QString &fileName,
const QString &phrase,
const PStatement& currentScope,
PStatement &parentScopeType,
bool force)
{
QMutexLocker locker(&mMutex);
PStatement result;
@ -412,7 +416,7 @@ PStatement CppParser::findStatement(
if (mParsing)
return PStatement();
int pos = 0;
return doFindStatement(fileName,phraseExpression,pos,currentScope,PStatement());
return doFindStatement(fileName,phraseExpression,pos,currentScope,true);
}
PStatement CppParser::findStatementOf(const QString &fileName, const QString &phrase, const PStatement& currentClass, bool force)
@ -3360,7 +3364,7 @@ PStatement CppParser::doParseSubExpression3(const QString &fileName,
const QStringList &phraseExpression,
int &pos,
const PStatement &currentScope,
const PStatement &ownerStatement)
bool freeScoped)
{
if (pos>=phraseExpression.length())
return PStatement();
@ -3370,45 +3374,156 @@ PStatement CppParser::doParseSubExpression3(const QString &fileName,
phraseExpression,
pos,
currentScope,
ownerStatement);
freeScoped);
} else if (phraseExpression[pos]=="&") {
pos++;
return doParseSubExpression3(fileName,
phraseExpression,
pos,
currentScope,
ownerStatement);
freeScoped);
} else if (phraseExpression[pos]=="++"
|| phraseExpression[pos]=="--") {
pos++;
return doParseSubExpression3(fileName,
phraseExpression,
pos,
currentScope,
freeScoped);
}
return doParseSubExpression2(fileName,
phraseExpression,
pos,
currentScope,
ownerStatement);
freeScoped);
}
PStatement CppParser::doParseSubExpression2(const QString &fileName,
const QStringList &phraseExpression,
int &pos, const PStatement &currentScope,
bool freeScoped)
{
if (pos>=phraseExpression.length())
return PStatement();
PStatement current = doParseSubExpression1(fileName,
phraseExpression,
pos,
currentScope,
freeScoped);
if (!current)
return PStatement();
pos++;
while (pos<phraseExpression.length()) {
if (phraseExpression[pos]=="++" || phraseExpression[pos]=="--") {
pos++;
} else if (phraseExpression[pos] == "(") {
//skip to ")"
if (current->kind == StatementKind::skClass) {
//type cast
} else if (current->kind == StatementKind::skFunction) {
//function call
}
} else if (phraseExpression[pos] == "[") {
//skip to "]"
} else if (phraseExpression[pos] == ".") {
pos++;
current = doParseSubExpression1(fileName,
phraseExpression,
pos,
current,
false);
} else if (phraseExpression[pos] == "->") {
pos++;
current = doParseSubExpression1(fileName,
phraseExpression,
pos,
current,
false);
} else
break;
}
}
PStatement CppParser::doParseSubExpression1(const QString &fileName,
const QStringList &phraseExpression,
int &pos,
const PStatement &currentScope,
bool freeScoped)
{
if (pos>=phraseExpression.length())
return PStatement();
PStatement current = doParseSubExpression0(fileName,
phraseExpression,
pos,
currentScope,
freeScoped);
pos++;
while (pos<phraseExpression.length()) {
if (phraseExpression[pos]=="::" ) {
pos++;
if (!current) {
//global scope
} else if (current->kind == StatementKind::skClass) {
//static member
} else if (current->kind == StatementKind::skNamespace) {
} else if (current->kind == StatementKind::skNamespaceAlias) {
}
} else
break;
}
return current;
}
PStatement CppParser::doParseSubExpression0(const QString &fileName,
const QStringList &phraseExpression,
int &pos, const PStatement &currentScope,
bool freeScoped)
{
if (pos>=phraseExpression.length())
return PStatement();
if (phraseExpression[pos]=="(") {
pos++;
PStatement statement = doFindStatement(fileName,phraseExpression,pos,currentScope,freeScoped);
if (pos >= phraseExpression.length() || phraseExpression[pos]!=")")
return PStatement();
else
return statement;
} else if (isIdentifier(phraseExpression[pos])) {
} else if (isIntegerLiteral(phraseExpression[pos])) {
} else if (isIntegerLiteral(phraseExpression[pos])) {
} else if (isFloatLiteral(phraseExpression[pos])) {
} else if (isStringLiteral(phraseExpression[pos])) {
} else
return PStatement();
}
PStatement CppParser::doFindStatement(const QString &fileName,
const QStringList &phraseExpression,
int& pos,
const PStatement &currentScope,
const PStatement &ownerStatement)
bool freeScoped)
{
if (pos>=phraseExpression.length())
return PStatement();
//find the start scope statement
PStatement currentStatement = doParseSubExpression3(fileName,phraseExpression,pos,currentScope, ownerStatement);
PStatement currentStatement = doParseSubExpression3(fileName,phraseExpression,pos,currentScope, freeScoped);
while (pos < phraseExpression.length() ) {
if (currentStatement &&
(currentStatement->kind == StatementKind::skVariable
|| currentStatement->kind == StatementKind::skFunction)
(currentStatement->kind == StatementKind::skVariable)
&& (phraseExpression[pos]==".*"
|| phraseExpression[pos]=="->*")) {
pos++; // skip '::';
pos++;
PStatement currentStatementScope = findTypeDefinitionOf(
fileName,
currentStatement->type,
currentStatement->parentScope.lock());
currentStatement = doParseSubExpression3(fileName,phraseExpression,pos,currentScope, currentStatementScope);
currentStatement = doParseSubExpression3(fileName,phraseExpression,pos,currentStatementScope,false);
} else {
break;
}

34
RedPandaIDE/parser/cppparser.h
View File

@ -207,12 +207,42 @@ private:
const QStringList& phraseExpression,
int &pos,
const PStatement& currentScope,
const PStatement& ownerStatement);
bool freeScoped);
PStatement doParseSubExpression2(
const QString& fileName,
const QStringList& phraseExpression,
int &pos,
const PStatement& currentScope,
bool freeScoped);
PStatement doParseSubExpression1(
const QString& fileName,
const QStringList& phraseExpression,
int &pos,
const PStatement& currentScope,
bool freeScoped);
PStatement doParseSubExpression0(
const QString& fileName,
const QStringList& phraseExpression,
int &pos,
const PStatement& currentScope,
bool freeScoped);
/**
* @brief find the expression's corresponding statement in the specified file and scope
* If the statement is free scoped, if it's not member of the currentScope,
* we'll search it in the currentScope's outer scope recursively
* @param fileName
* @param phraseExpression
* @param pos
* @param currentScope
* @param freeScope if the statement is free scoped.
* @return
*/
PStatement doFindStatement(const QString& fileName,
const QStringList& phraseExpression,
int &pos,
const PStatement& currentScope,
const PStatement& ownerStatement);
bool freeScoped);
int getBracketEnd(const QString& s, int startAt);
StatementClassScope getClassScope(int index);
int getCurrentBlockBeginSkip();