ALBS Suhani Singhal - ss4925 Brennan Wallace - bgw2119 Steep - PowerPoint PPT Presentation

ALBS Suhani Singhal - ss4925 Brennan Wallace - bgw2119

Steep learning curve LLVM OCaml = + 2000+ LOC 88 test cases MicroC++ 100+ commits +Arrays +Structs +Printing +Casting

Features ● Arrays ● Multiline Comments ● Procedural ● Structs ● Implicit casting ● Functions ● Operators ● I/O functions ● Data Types ○ Binary ○ Mutable ○ Unary ○ Static typing ○ Primitives ■ Integers { : int} main = [ ■ Floats print("Hello World!"); ■ Characters rtn 0; ■ Booleans ] ■ Void

AST Global vars Program Structs Functions Name vars Datatype Name Formals Locals Body

Compiler Architecture Program file Scanner Paser .sb extension File to Tokens Tokens to AST Semantic Codegen LLVM code Checker AST to LLVM .ll extension Checks AST

Arrays I/O chr c; flt[] array; array = new flt[2]; while(c != '\r'){ array[0] = 2.3; c = getchar(); array[1] = 5.2; print(c); } print(arr[0]); Implicit casting Datatypes int i; int j; int i; i = 2; chr c; bln b; j = i + ‘a’; flt f;

Structs Functions struct Person[ {int flt bln : chr} helloWorld = i f b [ int age; if(b){ flt weight; print(“Hello”); chr gender; print(f); ] } rtn ‘a’; ] {:int}main = [ {flt[] bln : chr} helloWorld = f_arr b [ struct Person p; if(b){ print(“Hello”); p.age = 20; print(f_arr[0]); p.gender = ‘f’; } p.weight = 120.5; rtn 0; rtn ‘a’; ] ]

Demo Time Credits: Prof. Stephen Edwards, Jacob Graff