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Some groundwork for templates

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This commit is contained in:
Nathan Braswell
2014-05-07 02:33:04 -04:00
parent c4dea26cca
commit 6c3267a8b2
4 changed files with 37 additions and 26 deletions
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2
include/ASTTransformation.h
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@@ -22,7 +22,7 @@ class ASTTransformation: public NodeTransformation<Symbol,ASTData> {
std::string concatSymbolTree(NodeTree<Symbol>* root);
NodeTree<ASTData>* doFunction(NodeTree<ASTData>* scope, std::string lookup, std::vector<NodeTree<ASTData>*> nodes);
NodeTree<ASTData>* scopeLookup(NodeTree<ASTData>* scope, std::string lookup, std::vector<Type> types = std::vector<Type>());
Type* typeFromString(std::string type, NodeTree<ASTData>* scope);
Type* typeFromTypeNode(NodeTree<Symbol>* typeNode, NodeTree<ASTData>* scope);
private:
Importer * importer;
std::map<std::string, std::vector<NodeTree<ASTData>*>> languageLevelScope;

6
krakenGrammer.kgm
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@@ -2,7 +2,8 @@ Goal = translation_unit ;
translation_unit = interpreter_directive WS unorderd_list_part WS ;
unorderd_list_part = import WS unorderd_list_part | function WS unorderd_list_part | type_def WS ";" WS unorderd_list_part | if_comp WS unorderd_list_part | simple_passthrough WS unorderd_list_part | declaration_statement WS ";" WS unorderd_list_part | import | function | type_def WS ";" | if_comp | simple_passthrough | declaration_statement WS ";" ;
type = type WS "\*" | "void" | "int" | "float" | "double" | "char" | identifier ;
type = type WS "\*" | "void" | "int" | "float" | "double" | "char" | identifier | identifier WS template_inst ;
template_inst = "<" WS type WS ">" ;
import = "import" WS identifier WS ";" ;
@@ -41,7 +42,8 @@ opt_parameter_list = parameter_list | ;
parameter_list = parameter_list WS "," WS parameter | parameter ;
parameter = boolean_expression ;
type_def = "typedef" WS identifier WS type | "typedef" WS identifier WS "{" WS class_innerds WS "}" | "typedef" WS identifier WS "{" WS declaration_block WS "}" ;
type_def = "typedef" WS identifier WS type | "typedef" WS template_dec WS identifier WS "{" WS class_innerds WS "}" | "typedef" WS template_dec WS identifier WS "{" WS declaration_block WS "}" ;
template_dec = "template" WS "<" WS identifier WS ">" | ;
class_innerds = visibility_block WS class_innerds | visibility_block ;
visibility_block = "public:" WS declaration_block | "protected:" WS declaration_block | "private:" WS declaration_block ;
declaration_block = declaration_statement WS ";" WS declaration_block | function WS declaration_block | declaration_statement WS ";" | function ;

52
src/ASTTransformation.cpp
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@@ -72,23 +72,34 @@ NodeTree<ASTData>* ASTTransformation::transform(NodeTree<Symbol>* from, NodeTree
}
//newNode = new NodeTree<ASTData>(name, ASTData(identifier, Symbol(concatSymbolTree(children[0]), true)));
} else if (name == "type_def") {
std::string typeAlias = concatSymbolTree(children[0]);
//If it is an alisis of a type
std::string typeAlias;
if (children[1]->getData().getName() == "type") {
newNode = new NodeTree<ASTData>(name, ASTData(type_def, Symbol(typeAlias, true, typeAlias), typeFromString(concatSymbolTree(children[1]), scope)));
typeAlias = concatSymbolTree(children[0]);
newNode = new NodeTree<ASTData>(name, ASTData(type_def, Symbol(typeAlias, true, typeAlias), typeFromTypeNode(children[1], scope)));
skipChildren.insert(1); //Don't want any children, it's unnecessary for ailising
} else { //Is a struct or class
Type* objectType = NULL;
if (children[0]->getData().getName() == "template_dec") {
typeAlias = concatSymbolTree(children[1]);
objectType = new Type(newNode), std::cout << "Template Type!"<<std::endl;
skipChildren.insert(0); //Don't handle template just yet
skipChildren.insert(1); //Identifier lookup will be ourselves, as we just added ourselves to the scope
} else {
typeAlias = concatSymbolTree(children[0]);
objectType = new Type(newNode);
skipChildren.insert(0); //Identifier lookup will be ourselves, as we just added ourselves to the scope
}
newNode = new NodeTree<ASTData>(name, ASTData(type_def, Symbol(typeAlias, true, typeAlias)));
newNode->getDataRef()->valueType = new Type(newNode); //Type is self-referential since this is the definition
newNode->getDataRef()->valueType = objectType; //Type is self-referential since this is the definition
}
scope->getDataRef()->scope[typeAlias].push_back(newNode);
newNode->getDataRef()->scope["~enclosing_scope"].push_back(scope);
scope = newNode;
skipChildren.insert(0); //Identifier lookup will be ourselves, as we just added ourselves to the scope
//return newNode;
} else if (name == "function") {
std::string functionName = concatSymbolTree(children[1]);
newNode = new NodeTree<ASTData>(name, ASTData(function, Symbol(functionName, true), typeFromString(concatSymbolTree(children[0]), scope)));
newNode = new NodeTree<ASTData>(name, ASTData(function, Symbol(functionName, true), typeFromTypeNode(children[0], scope)));
skipChildren.insert(0);
skipChildren.insert(1);
scope->getDataRef()->scope[functionName].push_back(newNode);
@@ -111,8 +122,8 @@ NodeTree<ASTData>* ASTTransformation::transform(NodeTree<Symbol>* from, NodeTree
} else if (name == "typed_parameter") {
//newNode = transform(children[1]); //Transform to get the identifier
std::string parameterName = concatSymbolTree(children[1]);
std::string typeString = concatSymbolTree(children[0]);//Get the type (left child) and set our new identifer to be that type
newNode = new NodeTree<ASTData>("identifier", ASTData(identifier, Symbol(parameterName, true), typeFromString(typeString, scope)));
//std::string typeString = concatSymbolTree(children[0]);//Get the type (left child) and set our new identifer to be that type
newNode = new NodeTree<ASTData>("identifier", ASTData(identifier, Symbol(parameterName, true), typeFromTypeNode(children[0], scope)));
scope->getDataRef()->scope[parameterName].push_back(newNode);
newNode->getDataRef()->scope["~enclosing_scope"].push_back(scope);
return newNode;
@@ -252,21 +263,12 @@ NodeTree<ASTData>* ASTTransformation::transform(NodeTree<Symbol>* from, NodeTree
// newIdentifier->getDataRef()->valueType = Type(concatSymbolTree(children[0]));//set the type of the identifier
std::string newIdentifierStr = concatSymbolTree(children[1]);
std::string typeString = concatSymbolTree(children[0]);//Get the type (left child) and set our new identifer to be that type
Type* identifierType = typeFromString(typeString, scope);
Type* identifierType = typeFromTypeNode(children[0], scope);
NodeTree<ASTData>* newIdentifier = new NodeTree<ASTData>("identifier", ASTData(identifier, Symbol(newIdentifierStr, true), identifierType));
scope->getDataRef()->scope[newIdentifierStr].push_back(newIdentifier);
newNode->getDataRef()->scope["~enclosing_scope"].push_back(scope);
//Now we don't do this thing
// if (identifierType->typeDefinition) {
// //Is a custom type. Populate this declaration's scope with it's inner declarations
// std::vector<NodeTree<ASTData>*> definitions = identifierType->typeDefinition->getChildren();
// for (auto i : definitions) {
// //Point to the identifier. May need to change so it points to the declaration or something, with new declarations.....
// newIdentifier->getDataRef()->scope[i->get(0)->getDataRef()->symbol.getName()] = i->get(0); //make each declaration's name point to it's definition, like above
// }
// }
newNode->addChild(newIdentifier);
skipChildren.insert(0); //These, the type and the identifier, have been taken care of.
skipChildren.insert(1);
} else if (name == "if_comp") {
@@ -301,7 +303,7 @@ NodeTree<ASTData>* ASTTransformation::transform(NodeTree<Symbol>* from, NodeTree
return transform(children[0], scope, types); //Don't need a parameter node, just the value
} else if (name == "type") {
std::string theConcat = concatSymbolTree(from); //We have no symbol, so this will concat our children
newNode = new NodeTree<ASTData>(name, ASTData(value, Symbol(theConcat, true), typeFromString(theConcat, scope)));
newNode = new NodeTree<ASTData>(name, ASTData(value, Symbol(theConcat, true), typeFromTypeNode(from, scope)));
} else if (name == "number") {
return transform(children[0], scope, types);
} else if (name == "integer") {
@@ -486,7 +488,13 @@ NodeTree<ASTData>* ASTTransformation::scopeLookup(NodeTree<ASTData>* scope, std:
return NULL;
}
Type* ASTTransformation::typeFromString(std::string typeIn, NodeTree<ASTData>* scope) {
Type* ASTTransformation::typeFromTypeNode(NodeTree<Symbol>* typeNode, NodeTree<ASTData>* scope) {
std::string typeIn;
if (typeNode->getChildren().size() > 1 && typeNode->getChildren()[1]->getData().getName() == "template_inst")
typeIn = concatSymbolTree(typeNode->getChildren()[0]); //Not including the possible template for now
else
typeIn = concatSymbolTree(typeNode);
int indirection = 0;
ValueType baseType;
NodeTree<ASTData>* typeDefinition = NULL;
@@ -499,8 +507,8 @@ Type* ASTTransformation::typeFromString(std::string typeIn, NodeTree<ASTData>* s
else if (edited == "int")
baseType = integer;
else if (edited == "float")
baseType = floating
; else if (edited == "double")
baseType = floating;
else if (edited == "double")
baseType = double_percision;
else if (edited == "char")
baseType = character;

3
src/Importer.cpp
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@@ -14,13 +14,14 @@ Importer::Importer(Parser* parserIn, std::vector<std::string> includePaths) {
removeSymbols.push_back(Symbol("}", true));
removeSymbols.push_back(Symbol("(", true));
removeSymbols.push_back(Symbol(")", true));
removeSymbols.push_back(Symbol("import", true)); //Don't need the actual text of the symbol
removeSymbols.push_back(Symbol("import", true));
removeSymbols.push_back(Symbol("interpreter_directive", false));
removeSymbols.push_back(Symbol("if", true));
removeSymbols.push_back(Symbol("while", true));
removeSymbols.push_back(Symbol("__if_comp__", true));
removeSymbols.push_back(Symbol("comp_simple_passthrough", true));
removeSymbols.push_back(Symbol("typedef", true));
removeSymbols.push_back(Symbol("template", true));
collapseSymbols.push_back(Symbol("opt_typed_parameter_list", false));
collapseSymbols.push_back(Symbol("opt_parameter_list", false));