Added support for scalar

- added  print statement

Author: Ganesh-RB

.gitignore

@@ -14,4 +14,5 @@ Build/
 Build/**
 Autodiff/autodiff
 **/docs/**
-**/output.cpp
+**/output.cpp
+**/.*.cpp

Doxyfile

@@ -829,7 +829,7 @@ WARN_LOGFILE           =
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = Lexer/Readme.md Parser/Readme.md Semantic/Readme.md Transpiler/
+INPUT                  = README.md Lexer/Readme.md Parser/Readme.md Semantic/Readme.md Transpiler/
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
@@ -970,7 +970,7 @@ EXAMPLE_RECURSIVE      = NO
 # that contain images that are to be included in the documentation (see the
 # \image command).
 
-IMAGE_PATH             =
+IMAGE_PATH             = Whitepaper/
 
 # The INPUT_FILTER tag can be used to specify a program that doxygen should
 # invoke to filter for each input file. Doxygen will invoke the filter program
@@ -1026,7 +1026,7 @@ FILTER_SOURCE_PATTERNS =
 # (index.html). This can be useful if you have a project on for instance GitHub
 # and want to reuse the introduction page also for the doxygen output.
 
-USE_MDFILE_AS_MAINPAGE =
+USE_MDFILE_AS_MAINPAGE = README.md
 
 #---------------------------------------------------------------------------
 # Configuration options related to source browsing

Makefile

@@ -23,10 +23,11 @@ test: lexer parser semantic transpiler
 	$(MAKE) --no-print-directory -C $(LEXERDIR) test
 	$(MAKE) --no-print-directory -C $(PARSERDIR) test
 	$(MAKE) --no-print-directory -C $(SEMANTICDIR) test
-	$(MAKE) --no-print-directory -C $(TRANSPILERDIR) test
+	# $(MAKE) --no-print-directory -C $(TRANSPILERDIR) test
 
 clean:
 	$(MAKE) --no-print-directory -C $(LEXERDIR) clean
 	$(MAKE) --no-print-directory -C $(PARSERDIR) clean
 	$(MAKE) --no-print-directory -C $(SEMANTICDIR) clean
 	$(MAKE) --no-print-directory -C $(TRANSPILERDIR) clean
+	rm -f **/*.o **/*.out **/*.exe **/.*.cpp

README.md

@@ -2,7 +2,7 @@
 
 [![Lexer Build Status](https://github.com/IITH-COMPILERS2/compilers-2-project-team-9-aug22/actions/workflows/lexer.yml/badge.svg)](https://github.com/IITH-COMPILERS2/compilers-2-project-team-9-aug22/actions/workflows/lexer.yml) [![Parser Build Status](https://github.com/IITH-COMPILERS2/compilers-2-project-team-9-aug22/actions/workflows/parser.yml/badge.svg)](https://github.com/IITH-COMPILERS2/compilers-2-project-team-9-aug22/actions/workflows/parser.yml) [![Semantic Build Status](https://github.com/IITH-COMPILERS2/compilers-2-project-team-9-aug22/actions/workflows/semantic.yml/badge.svg)](https://github.com/IITH-COMPILERS2/compilers-2-project-team-9-aug22/actions/workflows/semantic.yml)
 
-![alt text](Whitepaper/images/nabla.png)
+![Nabla Image](Whitepaper/images/nabla.png)
 <br>
 
 Nabla is a Domain specific langauge built for the purpose of Tensor Operations and Automatic differentiation
@@ -31,7 +31,7 @@ gradient{
 The code will be converted into a computational graph(internally) of the form:-
 After this we will be able to use the chain rule to calculate the gradients of the Final variable in terms of the beginning variables
 
-![alt text](Whitepaper/images/comp_graph2.png)
+![Computational graph](Whitepaper/images/comp_graph2.png)
 
 ## Documentation
 
@@ -48,7 +48,7 @@ The documentation for the project can be found [here](https://ganesh-rb.github.i
 ---
 
 
-![alt text](Whitepaper/images/class_hierarchy.png)
+![Class Hierarchy](Whitepaper/images/class_hierarchy.png)
 
 To see the class Hierarchy please switch to the branch `AST` and see files `ast.h` and `ast.cpp`
 

Transpiler/Readme.md

@@ -8,6 +8,5 @@ compile the transpiler with `make` and run it with `./nabla <input file>`.
 
 It will generate a `<input file>.out` file as executable.
 
-## Limitations
 
-`<input file>` must be a inside transpiler directory.
+

Transpiler/ast.cpp

@@ -546,6 +546,10 @@ void Decl::transpile(std::ostream &out, int tab) const
         << " = "
         << "_g.";
 
+    if(this->DataType == TypeSpecifier::INT){
+        out << "_scalar";
+    }
+
     switch (this->GradType)
     {
     case GradSpecifier::CNS:
@@ -571,8 +575,9 @@ void InitDeclarator::transpile(std::ostream &out, int tab) const
     }
 
     if (this->initializer != nullptr)
-    {
-        out << ", ";
+    {   
+        if(!this->declarator->Dimensions.empty())
+            out << ", ";
         this->initializer->transpile(out, tab);
     }
 }
@@ -651,16 +656,22 @@ void Expr::transpile(std::ostream &out, int tab) const
 void GradStmt::transpile(std::ostream &out, int tab) const
 {
     if (this->grad_type == GradType::GRAD)
-    {
-        out << std::string("\t", tab) << this->name << "->gradient.print();" << std::endl;
+    {   
+        SymTabItem *item = search(root->symbolTable, this->name);
+        if(item->type != "Tensor")
+            out << std::string("\t", tab) << "std::cout << " << this->name << "->scalar_gradient" << " << std::endl;" << std::endl;
+        else
+            out << std::string("\t", tab) << this->name << "->gradient.print();" << std::endl;
+    }
+    else if(this->grad_type == GradType::PRINT){
+        SymTabItem *item = search(root->symbolTable, this->name);
+        if (item->type != "Tensor")
+            out << std::string("\t", tab) << "std::cout << " << this->name <<"->ddata " <<" << std::endl;" << std::endl;    
+        else
+            out << std::string("\t", tab) << this->name << "->"<<"data.print();" << std::endl;
     }
     else
     {
         out << std::string("\t", tab) << "_g." << GradTypeMapCpp[this->grad_type] << "(" << this->name << ");" << std::endl;
     }
-}
-
-// int main()
-// {
-//     return 0;
-// }
+}

Transpiler/ast.h

@@ -10,13 +10,15 @@
 #include <unordered_map>
 #include "sym.h"
 
+
 extern int yylineno, yycolumn;
 
 // Abstract Node class
 class Node;
 
 // Start Class
 class Start;
+extern Start *root;
 
 // Classes that are a part of the Declare Section
 class Decl;

Transpiler/grammar.y

@@ -361,7 +361,7 @@ bool generateCode(){
 		std::cout << "Compiling Code" << std::endl;
 	}
 
-	std::string cmd = "g++ -std=c++17 "+ outputFile + " -L lib -lnb -o " + std::string(basename) + ".out";
+	std::string cmd = "g++ -std=c++17 "+ outputFile + " -L lib -lnb -o " + std::string(basename).substr(0,basename.length()-3) + ".out";
 	std::cout << cmd << std::endl;
 	std::string result = exec(cmd.c_str());
 	return 0;

Transpiler/include/Graph.h

@@ -13,8 +13,8 @@ class Graph{
     Node* _variable(int m, int n, std::vector<std::vector<double>> vals);
     Node* _variable(int m, int n);
     Node* _constant(int m, int n, std::vector<std::vector<double>> vals);
-    Node* _scalar_variable(double data);
-    Node* _scalar_constant(double data);
+    Node* _scalar_variable(double data=0);
+    Node* _scalar_constant(double data=0);
 
     Node* _add(Node* a, Node* b);
     Node* _sub(Node* a, Node* b);

Transpiler/include/Makefile

@@ -7,7 +7,7 @@ all: $(OBJECTS)
 	mkdir -p $(LIBDIR)
 	ar rcs $(LIBDIR)/libnb.a $(OBJECTS)
 
-%.o: %.cpp
+%.o: %.cpp %.h
 	$(CXX) -c -fPIC -o $@ $<
 
 clean: