#include "exprParser.h"
#include "stackCode.h"

void compileExpr(Expr *e)
{
    switch(e->kind){
    case NUM: 
	Codes[nCode].opcode = PUSH;
	Codes[nCode].operand = e->val;
	break;
    case PLUS_OP:
	compileExpr(e->left);
	compileExpr(e->right);
	Codes[nCode].opcode = ADD;
	break;
    case MINUS_OP:
	compileExpr(e->left);
	compileExpr(e->right);
	Codes[nCode].opcode = SUB;
	break;
    }
    ++nCode;
}