Some clean-up. Removed NO_REPL (redundant via cli)
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parent
4f6aedc4fa
commit
8a45444c52
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@ -4,8 +4,5 @@ all:
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debug:
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debug:
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gcc -g -O0 -o pebblisp -D STANDALONE -D DEBUG pebblisp.c tokens.c object.c env.c && ./tests.sh
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gcc -g -O0 -o pebblisp -D STANDALONE -D DEBUG pebblisp.c tokens.c object.c env.c && ./tests.sh
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phrase:
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gcc -g -O0 -o pebblisp -D STANDALONE -D DEBUG -D NO_REPL pebblisp.c tokens.c object.c env.c && ./tests.sh
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run:
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run:
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./pebblisp
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./pebblisp
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@ -19,6 +19,10 @@ void copySlice(char * dest, struct Slice *src)
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void debugSlice(struct Slice *s)
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void debugSlice(struct Slice *s)
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{
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{
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if(!s) {
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printd("NULL SLICE\n");
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return;
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}
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printd("Debug Slice\n text:'");
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printd("Debug Slice\n text:'");
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for(int i = 0; i < s->length; i++) {
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for(int i = 0; i < s->length; i++) {
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printd("%c", s->text[i]);
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printd("%c", s->text[i]);
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@ -32,19 +36,17 @@ void debugSlice(struct Slice *s)
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Result parse(struct Slice *slices)
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Result parse(struct Slice *slices)
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{
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{
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struct Slice *token = slices;
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struct Slice *token = slices;
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struct Slice *rest;
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if(token && token->text) {
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if(token->text != NULL) {
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struct Slice *rest = &slices[1];
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rest = &slices[1];
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} else {
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return result(errorObject(NULL_PARSE), NULL);
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}
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if(token->text[0] == '(') {
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if(token->text[0] == '(') {
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// todo check for null rest
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// todo check for null rest
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return readSeq(rest);
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return readSeq(rest);
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} else { // todo error on missing close paren
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} else { // todo error on missing close paren
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return result(parseAtom(token), rest);
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return result(parseAtom(token), rest);
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}
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}
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} else {
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return result(errorObject(NULL_PARSE), NULL);
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}
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}
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}
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Result readSeq(struct Slice *tokens)
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Result readSeq(struct Slice *tokens)
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@ -89,14 +91,14 @@ Object parseAtom(struct Slice *s)
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Object evalDefArgs(const Object *arg_forms, struct Environment *env)
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Object evalDefArgs(const Object *arg_forms, struct Environment *env)
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{
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{
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const Object *first_form = arg_forms;
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const Object *newSymbol = arg_forms;
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const char *name = first_form->name;
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const char *name = newSymbol->name;
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Object second_eval = eval(first_form->forward, env);
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const Object newValue = eval(newSymbol->forward, env);
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addToEnv(env, name, second_eval);
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addToEnv(env, name, newValue);
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return *first_form;
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return *newSymbol;
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}
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}
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Object evalIfArgs(const Object *arg_forms, struct Environment *env)
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Object evalIfArgs(const Object *arg_forms, struct Environment *env)
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@ -118,25 +120,22 @@ Object evalMapArgs(const Object *arg_forms, struct Environment *env)
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return errorObject(NULL_MAP_ARGS);
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return errorObject(NULL_MAP_ARGS);
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const Object lambda = eval(arg_forms, env);
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const Object lambda = eval(arg_forms, env);
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Object *oldList = arg_forms->forward;
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const Object *inputList = arg_forms->forward;
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if(lambda.type != TYPE_LAMBDA || oldList->type != TYPE_LIST)
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if(lambda.type != TYPE_LAMBDA || inputList->type != TYPE_LIST)
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return errorObject(BAD_TYPE);
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return errorObject(BAD_TYPE);
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Object list = listObject();
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Object list = listObject();
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const Object *oldElement = oldList->list;
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FOR_POINTER_IN_LIST(inputList) {
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while(oldElement != NULL) {
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// Create a new list for each element,
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// Create a new list for each element in the list,
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// since lambda evaluation looks for a list
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// since lambda evaluation looks for a list
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const Object tempList = startList(*oldElement);
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const Object tempList = startList(*POINTER);
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struct Environment newEnv =
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struct Environment newEnv =
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envForLambda(&lambda.lambda->params, &tempList, env);
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envForLambda(&lambda.lambda->params, &tempList, env);
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const Object evalLambda = eval(&lambda.lambda->body, &newEnv);
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// Add the lambda evaluation to the list
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nf_addToList(&list, eval(&lambda.lambda->body, &newEnv));
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nf_addToList(&list, evalLambda);
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oldElement = oldElement->forward;
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}
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}
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return list;
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return list;
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@ -209,6 +208,7 @@ Object eval(const Object *obj, struct Environment *env)
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for(int i = 1; i < length; i++) {
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for(int i = 1; i < length; i++) {
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func_eval = first_eval.func(func_eval, rest[i], env);
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func_eval = first_eval.func(func_eval, rest[i], env);
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}
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}
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// deleteList(obj); // Decreases indirectly lost memory, but fails on Pebble
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// deleteList(obj); // Decreases indirectly lost memory, but fails on Pebble
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return func_eval;
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return func_eval;
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@ -216,12 +216,10 @@ Object eval(const Object *obj, struct Environment *env)
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struct Environment newEnv =
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struct Environment newEnv =
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envForLambda(&first_eval.lambda->params, first_form->forward, env);
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envForLambda(&first_eval.lambda->params, first_form->forward, env);
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Object ret = eval(&first_eval.lambda->body, &newEnv);
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Object ret = eval(&first_eval.lambda->body, &newEnv);
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//printEnv(&newEnv);
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deleteEnv(&newEnv);
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deleteEnv(&newEnv);
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return ret;
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return ret;
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} else {
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} else {
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// printf("Return list as passed");
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return *obj;
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return *obj;
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}
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}
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}
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}
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@ -229,9 +227,8 @@ Object eval(const Object *obj, struct Environment *env)
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return errorObject(UNEXPECTED_FORM);
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return errorObject(UNEXPECTED_FORM);
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default:
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default:
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;
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}
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return *obj;
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return *obj;
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}
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}
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}
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Result result(Object obj, struct Slice *slices)
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Result result(Object obj, struct Slice *slices)
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@ -295,21 +292,24 @@ Object basicOp(const Object *obj1, const Object *obj2, const char op,
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int lists = (obj1->type == TYPE_LIST) + (obj2->type == TYPE_LIST);
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int lists = (obj1->type == TYPE_LIST) + (obj2->type == TYPE_LIST);
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if(lists == 0) {
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if(lists == 0) {
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return _basicOp(obj1, obj2, op);
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return _basicOp(obj1, obj2, op);
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} else if(lists == 1) { // Single operand is applied to each element in list
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} else if(lists == 1) { // Single operand is applied to each element in list
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const Object *listObj = (obj1->type == TYPE_LIST)? obj1 : obj2;
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const Object *listObj = (obj1->type == TYPE_LIST)? obj1 : obj2;
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const Object *singleObj = (obj1->type == TYPE_LIST)? obj2 : obj1;
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const Object *singleObj = (obj1->type == TYPE_LIST)? obj2 : obj1;
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Object newList = listObject();
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Object newList = listObject();
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FOR_POINTER_IN_LIST(listObj) {
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FOR_POINTER_IN_LIST(listObj) {
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Object adding = eval(POINTER, env);
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Object adding = eval(POINTER, env);
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nf_addToList(&newList, _basicOp(&adding, singleObj, op));
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nf_addToList(&newList, _basicOp(&adding, singleObj, op));
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}
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}
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return newList;
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return newList;
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} else { // 2 lists
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} else { // 2 lists
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if(listLength(obj1) == listLength(obj2)) {
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if(listLength(obj1) == listLength(obj2)) {
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Object newList = listObject();
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Object newList = listObject();
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FOR_POINTERS_IN_LISTS(obj1, obj2) {
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FOR_POINTERS_IN_LISTS(obj1, obj2) {
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Object ev1 = eval(P1, env);
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const Object ev1 = eval(P1, env);
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Object ev2 = eval(P2, env);
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const Object ev2 = eval(P2, env);
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nf_addToList(&newList, _basicOp(&ev1, &ev2, op));
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nf_addToList(&newList, _basicOp(&ev1, &ev2, op));
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}
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}
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return newList;
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return newList;
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@ -319,37 +319,39 @@ Object basicOp(const Object *obj1, const Object *obj2, const char op,
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}
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}
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}
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}
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#define bopf(_name, _char) \
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#define BASIC_OP(_name, _char) \
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Object _name(Object obj1, Object obj2, struct Environment *env) \
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Object _name(Object obj1, Object obj2, struct Environment *env) \
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{ return basicOp(&obj1, &obj2, _char, env); }
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{ return basicOp(&obj1, &obj2, _char, env); }
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bopf(add, '+');
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BASIC_OP(add, '+');
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bopf(sub, '-');
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BASIC_OP(sub, '-');
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bopf(mul, '*');
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BASIC_OP(mul, '*');
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bopf(dvi, '/');
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BASIC_OP(dvi, '/');
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bopf(mod, '%');
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BASIC_OP(mod, '%');
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bopf(equ, '=');
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BASIC_OP(equ, '=');
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bopf(gth, '>');
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BASIC_OP(gth, '>');
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bopf(lth, '<');
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BASIC_OP(lth, '<');
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#undef bopf
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#undef BASIC_OP
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Object parseEval(const char *input, struct Environment *env)
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Object parseEval(const char *input, struct Environment *env)
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{
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{
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struct Slice *tokens = nf_tokenize(input);
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struct Slice *tokens = nf_tokenize(input);
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if(!tokens)
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if(!tokens)
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return errorObject(MISMATCHED_PARENS);
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return errorObject(MISMATCHED_PARENS);
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#ifdef DEBUG
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#ifdef DEBUG
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struct Slice *debug = tokens;
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struct Slice *debug = tokens;
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if(debug) {
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if(debug) {
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while(debug->text) {
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while(debug->text) {
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char tok[MAX_TOK_LEN];
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char tok[MAX_TOK_LEN];
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copySlice(tok, debug);
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copySlice(tok, debug);
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//printd("slice: '%s'\n", tok);
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printd("slice: '%s'\n", tok);
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debug++;
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debug++;
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}
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}
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}
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}
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#endif
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#endif
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int i = 0;
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int i = 0;
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int parens = 0;
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int parens = 0;
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Object obj;
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Object obj;
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fgets(input, 100, stdin);
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fgets(input, 100, stdin);
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Object obj = parseEval(input, env);
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Object obj = parseEval(input, env);
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printAndClean(&obj);
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printAndClean(&obj);
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// printObj(&obj);
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// printEnv(env);
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}
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}
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}
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}
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@ -396,18 +396,9 @@ int main(int argc, const char* argv[])
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r = parseEval(argv[i], &env);
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r = parseEval(argv[i], &env);
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}
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}
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printObj(&r);
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printObj(&r);
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// Object r = parseEval(argv[1], &env);
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// printAndClean(&r);
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// printAndClean(&r);
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} else {
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} else {
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#ifndef NO_REPL
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repl(&env);
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repl(&env);
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#else
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Object r = parseEval("(def ad (fn (a) (+ 1 a)))", &env);
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printAndClean(&r);
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r = parseEval("(map ad (1 2 3))", &env);
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printAndClean(&r);
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#endif
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}
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}
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// deleteEnv(&env);
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}
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}
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#endif
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#endif
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