dScriptCompiler::dUserVariable dScriptCompiler::CreateClass (const dString& visibility, const dString& callType, const dString& className, const dString& superClassName, const dString& interfaces)
{
dUserVariable returnNode;
dDAGClassNode* const classNode = new dDAGClassNode (m_allNodes);
m_classList.Append(classNode);
returnNode.m_node = classNode;
classNode->FinalizeImplementation (visibility.GetStr(), className.GetStr(), NULL);
return returnNode;
}
dScriptCompiler::dUserVariable dScriptCompiler::NewExpressionOperatorNew (const dString& typeName, const dUserVariable& dimension)
{
dUserVariable returnNode;
dDAGDimensionNode* const dimensionNode = (dDAGDimensionNode*) dimension.m_node;
dAssert (dimensionNode->IsType (dDAGDimensionNode::GetRttiType()));
dDAGExpressionNodeNew* const node = new dDAGExpressionNodeNew (m_allNodes, typeName.GetStr(), dimensionNode);
returnNode.m_node = node;
return returnNode;
}
dScriptCompiler::dUserVariable dScriptCompiler::AddClassFunction (const dUserVariable& returnType, const dString& name, const dString& visibility)
{
dUserVariable returnNode;
dDAGTypeNode* const typeNode = (dDAGTypeNode*) returnType.m_node;
dAssert (typeNode->IsType(dDAGTypeNode::GetRttiType()));
dDAGFunctionNode* const functionNode = new dDAGFunctionNode (m_allNodes, typeNode, name.GetStr(), visibility.GetStr());
GetCurrentClass()->AddFunction(functionNode);
returnNode.m_node = functionNode;
//m_currentFunction = functionNode;
return returnNode;
}
void dParserCompiler::SaveFile(const char* const fileName, const char* const extention, const dString& input) const
{
char path[2048];
strcpy (path, fileName);
char* const ptr1 = strrchr (path, '.');
if (ptr1) {
*ptr1 = 0;
}
strcat (path, extention);
FILE* const headerFile = fopen (path, "wb");
dAssert (headerFile);
fprintf (headerFile, "%s", input.GetStr());
fclose (headerFile);
}
void dParserCompiler::ScanGrammarFile(
const dString& inputRules,
dProductionRule& ruleList,
dTree<dTokenInfo, dCRCTYPE>& symbolList,
dOperatorsPrecedence& operatorPrecedence,
dString& userCodeBlock,
dString& userVariableClass,
dString& endUserCode,
int& lastTokenEnum)
{
dString startSymbol ("");
int tokenEnumeration = 256;
int operatorPrecedencePriority = 0;
dParserLexical lexical (inputRules.GetStr());
LoadTemplateFile("dParserUserVariableTemplate_cpp.txt", userVariableClass);
// scan the definition segment
for (dToken token = dToken(lexical.NextToken()); token != GRAMMAR_SEGMENT; ) {
switch (int (token))
{
case START:
{
token = dToken(lexical.NextToken());
startSymbol = lexical.GetTokenString();
token = dToken(lexical.NextToken());
break;
}
case TOKEN:
{
for (token = dToken(lexical.NextToken()); token == LITERAL; token = dToken(lexical.NextToken())) {
const char* const name = lexical.GetTokenString();
symbolList.Insert(dTokenInfo (tokenEnumeration, TERMINAL, name), dCRC64 (name));
tokenEnumeration ++;
}
break;
}
case LEFT:
case RIGHT:
{
dOperatorsAssociation& association = operatorPrecedence.Append()->GetInfo();
association.m_prioprity = operatorPrecedencePriority;
operatorPrecedencePriority ++;
switch (int (token))
{
case LEFT:
association.m_associativity = dOperatorsAssociation::m_left;
break;
case RIGHT:
association.m_associativity = dOperatorsAssociation::m_right;
break;
}
for (token = dToken(lexical.NextToken()); (token == LITERAL) || ((token < 256) && !isalnum (token)); token = dToken(lexical.NextToken())) {
association.Append(dCRC64 (lexical.GetTokenString()));
}
break;
}
case UNION:
{
token = dToken(lexical.NextToken());
dAssert (token == SEMANTIC_ACTION);
userVariableClass = lexical.GetTokenString() + 1;
userVariableClass.Replace(userVariableClass.Size() - 1, 1, "");
token = dToken(lexical.NextToken());
break;
}
case CODE_BLOCK:
{
userCodeBlock += lexical.GetTokenString();
token = dToken(lexical.NextToken());
break;
}
case EXPECT:
{
token = dToken(lexical.NextToken());
dAssert (token == INTEGER);
m_shiftReduceExpectedWarnings = atoi (lexical.GetTokenString());
token = dToken(lexical.NextToken());
break;
}
default:;
{
dAssert (0);
token = dToken(lexical.NextToken());
}
}
}
int ruleNumber = 1;
lastTokenEnum = tokenEnumeration;
// scan the production rules segment
dToken token1 = dToken(lexical.NextToken());
for (; (token1 != GRAMMAR_SEGMENT) && (token1 != -1); token1 = dToken(lexical.NextToken())) {
//dTrace (("%s\n", lexical.GetTokenString()));
switch (int (token1))
{
case LITERAL:
{
// add the first Rule;
dRuleInfo& rule = ruleList.Append()->GetInfo();
rule.m_token = token1;
rule.m_type = NONTERMINAL;
rule.m_name = lexical.GetTokenString();
rule.m_nameCRC = dCRC64 (lexical.GetTokenString());
dTree<dTokenInfo, dCRCTYPE>::dTreeNode* nonTerminalIdNode = symbolList.Find(rule.m_nameCRC);
if (!nonTerminalIdNode) {
nonTerminalIdNode = symbolList.Insert(dTokenInfo (tokenEnumeration, NONTERMINAL, rule.m_name), rule.m_nameCRC);
tokenEnumeration ++;
}
rule.m_ruleId = nonTerminalIdNode->GetInfo().m_tokenId;
rule.m_ruleNumber = ruleNumber;
ruleNumber ++;
token1 = ScanGrammarRule(lexical, ruleList, symbolList, ruleNumber, tokenEnumeration, operatorPrecedence);
break;
}
default:
dAssert (0);
}
}
dProductionRule::dListNode* firtRuleNode = ruleList.GetFirst();
if (startSymbol != "") {
firtRuleNode = ruleList.Find (dCRC64 (startSymbol.GetStr()));
}
//Expand the Grammar Rule by adding an empty start Rule;
const dRuleInfo& firstRule = firtRuleNode->GetInfo();
dRuleInfo& rule = ruleList.Addtop()->GetInfo();
rule.m_ruleNumber = 0;
rule.m_ruleId = tokenEnumeration;
rule.m_token = firstRule.m_token;
rule.m_type = NONTERMINAL;
rule.m_name = firstRule.m_name + dString("__");
rule.m_nameCRC = dCRC64 (rule.m_name.GetStr());
symbolList.Insert(dTokenInfo (tokenEnumeration, rule.m_type, rule.m_name), rule.m_nameCRC);
tokenEnumeration ++;
dSymbol& symbol = rule.Append()->GetInfo();
symbol.m_token = firstRule.m_token;
symbol.m_type = firstRule.m_type;
symbol.m_name = firstRule.m_name;
symbol.m_nameCRC = firstRule.m_nameCRC;
// scan literal use code
if (token1 == GRAMMAR_SEGMENT) {
endUserCode = lexical.GetNextBuffer();
//endUserCode += "\n";
}
}
dScriptCompiler::dUserVariable dScriptCompiler::NewExpressionFunctionCall (const dString& name, const dUserVariable& argumnetList)
{
dUserVariable returnNode;
//dAssert (m_currentFunction);
dDAGExpressionNode* const argumentListNode = (dDAGExpressionNode*) argumnetList.m_node;
dAssert (!argumentListNode || argumentListNode->IsType(dDAGExpressionNode::GetRttiType()));
dDAGExpressionNodeFunctionCall* const fntCall = new dDAGExpressionNodeFunctionCall(m_allNodes, name.GetStr(), argumentListNode);
returnNode.m_node = fntCall;
return returnNode;
}
dScriptCompiler::dUserVariable dScriptCompiler::NewCaseStatement(const dString& constID, const dUserVariable& statementList)
{
dUserVariable returnNode;
dDAGFunctionStatement* const statementListNode = (dDAGFunctionStatement*) statementList.m_node;
dAssert (statementListNode->IsType(dDAGFunctionStatement::GetRttiType()));
dDAGFunctionStatementCase* const caseNode = new dDAGFunctionStatementCase(m_allNodes, constID.GetStr(), statementListNode);
dAssert (0);
for (dDAGFunctionStatement* nextNode = statementListNode; nextNode; nextNode = (dDAGFunctionStatement*) nextNode->m_next) {
// nextNode->Release();
}
returnNode.m_node = caseNode;
return returnNode;
}
