c-subset

A compiler for a subset of the C language that compiles to casm machine code

Usage

gcc src/* -I./include -o compiler.bin
./compiler.bin tests/main_test.c

Sample output

Todos

• AST free function
• Improve distinction code for variable assignment and function declaration
• Fix nested function calls
• Fix function calls inside if/while condition
• Add function type parsing and arrays
• Add unary operators: increment, decrement, bitwise/logical not, pointer dereference
• Add greater/less or equal, not equal tokens
• Add augmented assignment (i.e. x += 2)
• Add prefix/suffix increment and decrement
• Add else if/else branch parsing and single line branch that does not require braces
• Add for loops, break and continue keywords
• Add struct type parsing and struct member access
• Add type casts and sizeof()
• Add error reporting
• Analyze the AST semantically and populate it with symbols and scopes, along with type and name resolution
• Type checking
• Code emission stage

Low priority todos

• typedef, extern and static keywords
• Inline assembly
• Preprocessor directives (include and define)