asttest.c

/*
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#include <stdio.h>
#include "visitor.h"

static void show(Expression* expr) {
    switch(expr->type) {
        case ADD_EXPRESSION:
            fprintf(stderr, "add\n");
            show(expr->u.binary_expression.left);
            show(expr->u.binary_expression.right);
            break;
        case SUB_EXPRESSION:
            fprintf(stderr, "sub\n");
            show(expr->u.binary_expression.left);
            show(expr->u.binary_expression.right);
            break;
        case INT_EXPRESSION:
            fprintf(stderr, "int:%d\n", expr->u.int_value);
            break;
        case DOUBLE_EXPRESSION:
            fprintf(stderr, "double:%f\n", expr->u.double_value);
            break;
        default:
            break;
            
    }
}

int main(void) {    
    MAS_Interpreter *interp = mas_create_interpreter();  // this is required to create ast_storage
    Visitor* visitor = create_visitor();

    Expression* int_expr = mas_create_int_expression(10);
    Expression* d_expr = mas_create_double_expression(3.5);    

    Expression* int_expr2 = mas_create_int_expression(1);
    Expression* int_expr3 = mas_create_int_expression(2);

    Expression* bexpr2 = mas_create_binary_expression(SUB_EXPRESSION, int_expr2, int_expr3);    
    Expression* bexpr = mas_create_binary_expression(ADD_EXPRESSION, bexpr2, d_expr);  

    
    fprintf(stderr, "-- show ---\n");
//    show(bexpr);
    traverse_expr(bexpr, visitor);

    
    mas_delete_interpreter();
    return 0;
}