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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include "parser.h"
#include "eval.h"
bool arithmetic(luckytree *tree, luckyval *out){
if (strcmp(tree->function, "+") == 0){
argcounterror(tree, 2);
if (tree->arguments->type == LUCKYINT && tree->arguments->nextelement->type == LUCKYINT){
out->i = tree->arguments->i + tree->arguments->nextelement->i;
out->type = LUCKYINT;
}else if (tree->arguments->type == LUCKYFLOAT && tree->arguments->nextelement->type == LUCKYFLOAT){
out->f = tree->arguments->f + tree->arguments->nextelement->f;
out->type = LUCKYFLOAT;
}else if (tree->arguments->type == LUCKYFLOAT && tree->arguments->nextelement->type == LUCKYINT){
out->f = tree->arguments->f + tree->arguments->nextelement->i;
out->type = LUCKYFLOAT;
}else if (tree->arguments->type == LUCKYINT && tree->arguments->nextelement->type == LUCKYFLOAT){
out->f = tree->arguments->i + tree->arguments->nextelement->f;
out->type = LUCKYFLOAT;
}
else {
printf("invalid types given!\n");
exit(1);
}
}
else if (strcmp(tree->function, "-") == 0){
argcounterror(tree, 2);
if (tree->arguments->type == LUCKYINT && tree->arguments->nextelement->type == LUCKYINT){
out->i = tree->arguments->i - tree->arguments->nextelement->i;
out->type = LUCKYINT;
}else if (tree->arguments->type == LUCKYFLOAT && tree->arguments->nextelement->type == LUCKYFLOAT){
out->f = tree->arguments->f - tree->arguments->nextelement->f;
out->type = LUCKYFLOAT;
}else if (tree->arguments->type == LUCKYFLOAT && tree->arguments->nextelement->type == LUCKYINT){
out->f = tree->arguments->f - tree->arguments->nextelement->i;
out->type = LUCKYFLOAT;
}else if (tree->arguments->type == LUCKYINT && tree->arguments->nextelement->type == LUCKYFLOAT){
out->f = tree->arguments->i - tree->arguments->nextelement->f;
out->type = LUCKYFLOAT;
}
else {
printf("invalid types given!\n");
exit(1);
}
}
else if (strcmp(tree->function, "*") == 0){
argcounterror(tree, 2);
if (tree->arguments->type == LUCKYINT && tree->arguments->nextelement->type == LUCKYINT){
out->i = tree->arguments->i * tree->arguments->nextelement->i;
out->type = LUCKYINT;
}else if (tree->arguments->type == LUCKYFLOAT && tree->arguments->nextelement->type == LUCKYFLOAT){
out->f = tree->arguments->f * tree->arguments->nextelement->f;
out->type = LUCKYFLOAT;
}else if (tree->arguments->type == LUCKYFLOAT && tree->arguments->nextelement->type == LUCKYINT){
out->f = tree->arguments->f * tree->arguments->nextelement->i;
out->type = LUCKYFLOAT;
}else if (tree->arguments->type == LUCKYINT && tree->arguments->nextelement->type == LUCKYFLOAT){
out->f = tree->arguments->i * tree->arguments->nextelement->f;
out->type = LUCKYFLOAT;
}
else {
printf("invalid types given!\n");
exit(1);
}
}
else if (strcmp(tree->function, "/") == 0){
argcounterror(tree, 2);
if (tree->arguments->type == LUCKYINT && tree->arguments->nextelement->type == LUCKYINT){
out->i = tree->arguments->i / tree->arguments->nextelement->i;
out->type = LUCKYINT;
}else if (tree->arguments->type == LUCKYFLOAT && tree->arguments->nextelement->type == LUCKYFLOAT){
out->f = tree->arguments->f / tree->arguments->nextelement->f;
out->type = LUCKYFLOAT;
}else if (tree->arguments->type == LUCKYFLOAT && tree->arguments->nextelement->type == LUCKYINT){
out->f = tree->arguments->f / tree->arguments->nextelement->i;
out->type = LUCKYFLOAT;
}else if (tree->arguments->type == LUCKYINT && tree->arguments->nextelement->type == LUCKYFLOAT){
out->f = tree->arguments->i / tree->arguments->nextelement->f;
out->type = LUCKYFLOAT;
}
else {
printf("invalid types given!\n");
exit(1);
}
}
else return false;
return true;
}
bool variableops(luckytree *tree, luckyval *out){
if (strcmp(tree->function, "let") == 0){
argcounterror(tree, 2);
if (tree->arguments->type == LUCKYVAR) {
variables[varcount] = malloc(sizeof(luckyvar));
variables[varcount]->name = strdup(tree->arguments->var);
variables[varcount]->val = malloc(sizeof(luckyval));
memcpy(variables[varcount]->val, tree->arguments->nextelement, sizeof(luckyval));
varcount++;
} else {
printf("expected var name as the first argument!\n");
exit(1);
}
}
else return false;
return true;
}
bool io(luckytree *tree, luckyval *out){
if (strcmp(tree->function, "print") == 0){
argcounterror(tree, 1);
if (tree->arguments->type == LUCKYINT)
printf("%d\n", tree->arguments->i);
if (tree->arguments->type == LUCKYFLOAT)
printf("%f\n", tree->arguments->f);
}
else if (strcmp(tree->function, "readint") == 0){
argcounterror(tree, 0);
int i;
scanf("%d", &i);
out->i = i;
out->type = LUCKYINT;
}
else if (strcmp(tree->function, "readfloat") == 0){
argcounterror(tree, 0);
float f;
scanf("%f", &f);
out->f = f;
out->type = LUCKYFLOAT;
}
else return false;
return true;
}
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