1 files changed, 0 insertions, 134 deletions
diff --git a/eval.c b/eval.c
deleted file mode 100644
index b1d4e0a..0000000
--- a/eval.c
+++ /dev/null
@@ -1,134 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include "eval.h"
-#include "hashtable.h"
-#include "parse.h"
-
-hashtable_t* ht;
-const int hashtableSize = 1000;
-const int trueVal = 1;
-sym_t trueSym = {LITERAL, INT, (void*)&trueVal, NULL, 0};
-const int falseVal = 0;
-sym_t falseSym = {LITERAL, INT, (void*)&falseVal, NULL, 0};
-
-void init_eval() {
-	ht = init_hashtable(hashtableSize);
-}
-/* TODO: read base hashtable from file to allow modularity
-pair value value? */
-void exec_all(sym_t** symbols, int count) {
-	for (int i = 0; i < count; i++) {
-		/* dispose of result */
-		eval(symbols[i]);
-	}
-}
-sym_t* eval(sym_t* symbol) {
-	if (symbol->province == LITERAL) {
-		return(symbol);
-	}
-	else if (symbol->province == KEY_REF) {
-		sym_t* ir = try_eval_internal(symbol);
-		if (ir != NULL) {
-			return ir;
-		}
-		else {
-			/* not an internal function, search hashtable for
-			next symbol */
-			/* TODO: scope */
-			pair_t* p = hashtable_get_pair(ht, (char*)symbol->name);
-			if (p != NULL) {
-				return eval((sym_t*)p->value);
-			}
-			else {
-				printf("no matching pair in hashtable\n");
-				return NULL;
-			}
-		}
-	}
-	else {
-		printf("no symbol province\n");
-		return NULL;
-	}
-}
-/* internal functions?
-this function has side-effects */
-sym_t* try_eval_internal(sym_t* symbol) {
-	unsigned int hash = get_hash((char*)symbol->name);
-	/* TODO: return last arg. that's the function return line */
-	if (hash == get_hash("root")) {
-		/* execute all args as roots */
-		exec_all(symbol->args, symbol->argCount);
-		return &trueSym;
-	}
-	else if (hash == get_hash("store")) {
-		/* TODO: scope */
-		/* first arg is value, remaining args are names */
-		/* TODO: recursion for multiple pairs */
-		char* k = symtos(eval(symbol->args[1]));
-		sym_t* v = symbol->args[0];
-		pair_t* p = init_pair(k, (void*)v);
-		hashtable_add_pair(ht, p);
-		return &trueSym;
-	}
-	/* TODO: release()/free() method? */
-	else if (hash == get_hash("eq")) {
-		litType_t type = NO_TYPE;
-		void* lastVal = NULL;
-		for (int i  = 0; i < symbol->argCount; i++) {
-			sym_t* v = eval(symbol->args[i]);
-			/* initialize */
-			if (type == NO_TYPE) {
-				type = v->litType;
-				lastVal = v->name;
-			}
-			else {
-				/* interpret type */
-				if (type == INT) {
-					if (symtoi(v) != *((int*)lastVal)) {
-						return &falseSym;
-					}
-				}
-				if (type == STRING) {
-					if (strcmp(symtos(v), (char*)lastVal) != 0) {
-						return &falseSym;
-					}
-				}
-				/* TODO: float */
-			}
-		}
-		return &trueSym;
-	}
-	else if (hash == get_hash("if")) {
-		sym_t* v = eval(symbol->args[0]);
-		if (symtoi(v) != 0) {
-			exec_all(symbol->args + 1, symbol->argCount - 1);
-			return &trueSym;
-		}
-		return &falseSym;
-	}
-	else if (hash == get_hash("not")) {
-		sym_t* v = eval(symbol->args[0]);
-		int b = symtoi(v);
-		return b ? &falseSym : &trueSym;
-	}
-	else if (hash == get_hash("print")) {
-		sym_t* v = eval(symbol->args[0]);
-		switch (v->litType) {
-			case NO_TYPE:
-				break;
-			case INT:
-				printf("%d\n", symtoi(v));
-				break;
-			case FLOAT:
-				break;
-			case STRING:
-				printf("%s\n", symtos(v));
-				break;
-		}
-		return &trueSym;
-	}
-	else {
-		return NULL;
-	}
-}