Before breaking lists

This commit is contained in:
Sage Vaillancourt 2020-05-04 15:03:35 +01:00 committed by =
parent 9ab907d014
commit 77ff84fd30
7 changed files with 181 additions and 64 deletions

Binary file not shown.

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@ -56,7 +56,9 @@ static void enter(){
//Calculate result, display it and reset
static void calculate(){
Object obj = parseEval(mytext, &env);
snprintf(resulttext, MAX_LENGTH, "R:%d", obj.number);
char temp[MAX_LENGTH-2] = "";
stringObj(temp, &obj);
snprintf(resulttext, MAX_LENGTH, "R:%s", temp);
selected_token = 0;
//strcpy(mytext, HAHA);
text_layer_set_text(s_result_text_layer, resulttext);

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@ -20,7 +20,9 @@ char *tokens[] = {
"1","2","3",
"4","5","6",
"7","8","9", "0",
"a", "b", "c", "d", "e",
"= ", "< ", "> ", "def",
END_PHRASE
};
#define TOKEN_END 17
#define TOKEN_END 26

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@ -46,7 +46,7 @@ Object fetchFromEnvironment(const char *name, struct Environment *env)
Result parse(struct Slice *slices)
{
printf("parse() START\n");
// printf("parse() START\n");
struct Slice *token = slices;
struct Slice *rest;
if(token->text != NULL) {
@ -62,12 +62,12 @@ Result parse(struct Slice *slices)
} else { // todo error on closed paren
return R(parseAtom(token), rest);
}
printf("parse() END\n");
// printf("parse() END\n");
}
Result readSeq(struct Slice *tokens)
{
printf("readSeq() START\n");
// printf("readSeq() START\n");
Object res;
res.forward = NULL;
res.type = TYPE_LIST;
@ -81,21 +81,20 @@ Result readSeq(struct Slice *tokens)
return R(res, rest);
}
Result r = parse(tokens);
printf("readSeq() before malloc\n");
// printf("readSeq() before malloc\n");
march->forward = malloc(sizeof(struct Object));
printf("readSeq() after malloc\n");
// printf("readSeq() after malloc\n");
*march->forward = r.obj;
// char out[MAX_TOK_LEN];
// printf("stringObj: %s\n", stringObj(out, &r.obj));
tokens = r.slices;
march = march->forward;
}
printf("readSeq() END\n");
// printf("readSeq() END\n");
}
Object parseAtom(struct Slice *s)
{
// printf("parseAtom()\n");
Object o;
o.forward = NULL;
if(isDigit(s->text[0])) {
@ -105,7 +104,12 @@ Object parseAtom(struct Slice *s)
o.number *= 10;
o.number += s->text[i] - '0';
}
} else if (s->text[0] == 'T' && s->text[1] == '\0') {
o.type = TYPE_BOOL;
o.number = 1;
} else if (s->text[0] == 'F' && s->text[1] == '\0') {
o.type = TYPE_BOOL;
o.number = 0;
} else {
o.type = TYPE_SYMBOL;
copySlice(o.name, s);
@ -113,58 +117,119 @@ Object parseAtom(struct Slice *s)
return o;
}
Object eval(Object *obj, struct Environment *env)
Object evalDefArgs(const Object *first, const Object *rest,
struct Environment *env)
{
printf("evalDefArgs()\n");
Object o;
return o;
}
Object evalIfArgs(const Object *arg_forms, struct Environment *env)
{
printf("evalIfArgs()\n");
Object o;
printf("test_form:\n");
const Object *test_form = arg_forms;
printObj(test_form);
printObj(test_form->list);
//printObj(test_form->list->forward);
printf("test_eval:\n");
Object test_eval = eval(test_form, env);
printObj(&test_eval);
printf("test_form END\n");
o.type = TYPE_NUMBER;
o.number = 222;
return o;
}
Object evalBuiltIns(const Object *first, const Object *rest, int *found,
struct Environment *env)
{
if(strcmp(first->name, "def") == 0) {
*found = 0;
return evalDefArgs(first, rest, env);
}else if(strcmp(first->name, "if") == 0) {
*found = 0;
return evalIfArgs(rest, env);
}
Object o;
*found = -1;
return o;
}
Object eval(const Object *obj, struct Environment *env)
{
printf("eval(): ");
printObj(obj);
Object o = *obj;
switch(obj->type) {
case TYPE_NUMBER:
{
case TYPE_BOOL:
return *obj;
}
case TYPE_SYMBOL:
return fetchFromEnvironment(obj->name, env);
case TYPE_LIST:
{
// printf("TYPE_LIST\n");
Object first_form = *obj->forward;
{ // Try to eval built-ins
int i = -1;
Object built_in =
evalBuiltIns(&first_form, first_form.forward, &i, env);
if(i == 0)
return built_in;
}
printf("\nNo built-ins found\n");
Object first_eval = eval(&first_form, env);
Object arg1 = eval(first_form.forward, env);
Object arg2 = eval(first_form.forward->forward, env);
printf("Evaluating func\n");
return first_eval.func(arg1, arg2);
}
case TYPE_SYMBOL:
{
return fetchFromEnvironment(obj->name, env);
}
default:
;
}
return o;
}
char* stringObj(char *dest, Object *obj)
char* stringObj(char *dest, const Object *obj)
{
if(obj->type == TYPE_NUMBER) {
snprintf(dest, MAX_TOK_LEN, "%d", obj->number);
} else if(obj->type == TYPE_SYMBOL) {
return obj->name;
snprintf(dest, MAX_TOK_LEN, "%s", obj->name);
} else if(obj->type == TYPE_BOOL) {
snprintf(dest, MAX_TOK_LEN, "%s", obj->number ? "T" : "F");
}
return dest;
}
void printObj(Object *obj)
void printObj(const Object *obj)
{
if(obj->type == TYPE_NUMBER) {
printf("TYPE_NUMBER");
} else if(obj->type == TYPE_LIST) {
printf("TYPE_NUMBER");
printf("TYPE_LIST");
} else if(obj->type == TYPE_SYMBOL) {
printf("TYPE_NUMBER");
printf("TYPE_SYMBOL");
} else if(obj->type == TYPE_BOOL) {
printf("TYPE_BOOL");
} else {
printf("TYPE_OTHER");
}
char temp[20];
char temp[20] = "";
stringObj(temp, obj);
printf(": %s\n", temp);
}
@ -181,37 +246,51 @@ Object basicOp(Object *obj1, Object *obj2, const char op)
{
Object o;
o.forward = NULL;
o.type = TYPE_NUMBER;
switch(op){
case '+':
o.number = obj1->number + obj2->number;
break;
return o;
case '-':
o.number = obj1->number - obj2->number;
break;
return o;
case '*':
o.number = obj1->number * obj2->number;
break;
return o;
case '/':
o.number = obj1->number / obj2->number;
break;
default:
o = *obj1;
}
return o;
}
Object add(Object obj1, Object obj2)
{ return basicOp(&obj1, &obj2, '+'); }
o.type = TYPE_BOOL;
switch(op) {
case '=':
o.number = obj1->number == obj2->number;
return o;
case '>':
o.number = obj1->number > obj2->number;
return o;
case '<':
o.number = obj1->number < obj2->number;
return o;
}
Object sub(Object obj1, Object obj2)
{ return basicOp(&obj1, &obj2, '-'); }
o = *obj1;
return o;
}
Object mul(Object obj1, Object obj2)
{ return basicOp(&obj1, &obj2, '*'); }
#define bopf(_name, _char) \
Object _name(Object obj1, Object obj2) \
{ \
return basicOp(&obj1, &obj2, _char); \
}
Object divi(Object obj1, Object obj2)
{ return basicOp(&obj1, &obj2, '/'); }
bopf(add, '+');
bopf(sub, '-');
bopf(mul, '*');
bopf(dvi, '/');
bopf(equ, '=');
void addFunc(const char *name, Object (*func)(Object, Object),
struct Environment *env)
@ -242,7 +321,8 @@ struct Environment defaultEnv() {
addFunc("+", &add, &e);
addFunc("-", &sub, &e);
addFunc("*", &mul, &e);
addFunc("/", &divi, &e);
addFunc("/", &dvi, &e);
addFunc("=", &equ, &e);
/*
e.strings[0] = malloc(sizeof("+"));
@ -287,7 +367,8 @@ int repl(struct Environment *env)
printf("pebblisp>> ");
fgets(input, 100, stdin);
Object obj = parseEval(input, env);
printf("eval: %d\n", obj.number);
printObj(&obj);
//printf("eval: %d\n", obj.number);
break;
}
}

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@ -18,6 +18,7 @@ struct Slice {
typedef enum Type {
TYPE_NUMBER,
TYPE_BOOL,
TYPE_LIST,
TYPE_FUNC,
//TYPE_STRING,
@ -61,15 +62,15 @@ struct Environment {
Object *objects;
};
Object eval(Object *obj, struct Environment *env);
char* stringObj(char *dest, Object *obj);
Object eval(const Object *obj, struct Environment *env);
char* stringObj(char *dest, const Object *obj);
Result parse(struct Slice *slices);
Result readSeq(struct Slice *slices);
Object parseAtom(struct Slice *slice);
void copySlice(char * dest, struct Slice *src);
Object parseEval(const char *input, struct Environment *env);
struct Environment defaultEnv();
void printObj(Object *obj);
void printObj(const Object *obj);
Result resultFromObjAndSlices(Object obj, struct Slice *slices);
Object add(Object obj1, Object obj2);

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@ -15,13 +15,14 @@ MAX_TOK_LEN pebblisp.h 6;" d
Object pebblisp.h /^struct Object {$/;" s
Object pebblisp.h /^typedef struct Object Object;$/;" t typeref:struct:Object
PEBBLISP_H pebblisp.h 2;" d
R pebblisp.h 74;" d
R pebblisp.h 78;" d
Result pebblisp.h /^typedef struct Result {$/;" s
Result pebblisp.h /^} Result;$/;" t typeref:struct:Result
SMAX_LENGTH calc.h 4;" d
STANDALONE pebblisp.h 4;" d
Slice pebblisp.h /^struct Slice {$/;" s
TOKENS_H tokens.h 2;" d
TOKEN_END calc.h 28;" d
TYPE_BOOL pebblisp.h /^ TYPE_BOOL,$/;" e enum:Type
TYPE_ENV pebblisp.h /^ TYPE_ENV,$/;" e enum:Type
TYPE_ERROR pebblisp.h /^ TYPE_ERROR$/;" e enum:Type
TYPE_FUNC pebblisp.h /^ TYPE_FUNC,$/;" e enum:Type
@ -31,16 +32,22 @@ TYPE_SYMBOL pebblisp.h /^ TYPE_SYMBOL,$/;" e enum:Type
Type pebblisp.h /^typedef enum Type {$/;" g
Type pebblisp.h /^} Type;$/;" t typeref:enum:Type
_h_FIXED_ fixed.h 26;" d
add pebblisp.c /^Object add(Object obj1, Object obj2)$/;" f
addFunc pebblisp.c /^void addFunc(const char *name, Object (*func)(Object, Object), $/;" f
back_handler calc.c /^static void back_handler(ClickRecognizerRef recognizer, void *context) {$/;" f file:
basicOp pebblisp.c /^Object basicOp(Object *obj1, Object *obj2, const char op)$/;" f
bopf pebblisp.c 257;" d file:
calculate calc.c /^static void calculate(){$/;" f file:
clear calc.c /^static void clear(bool full){$/;" f file:
click_config_provider calc.c /^static void click_config_provider(void *context) {$/;" f file:
copySlice pebblisp.c /^void copySlice(char * dest, struct Slice *src)$/;" f
debugSlice pebblisp.c /^void debugSlice(struct Slice *s)$/;" f
defaultEnv pebblisp.c /^struct Environment defaultEnv() {$/;" f
deinit calc.c /^static void deinit(void) {$/;" f file:
enter calc.c /^static void enter(){$/;" f file:
eval pebblisp.c /^Object eval(Object *obj, struct Environment *env)$/;" f
env calc.c /^static struct Environment env;$/;" v typeref:struct:Environment file:
eval pebblisp.c /^Object eval(const Object *obj, struct Environment *env)$/;" f
evalBuiltIns pebblisp.c /^Object evalBuiltIns(const Object *first, const Object *rest, int *found,$/;" f
evalIfArgs pebblisp.c /^Object evalIfArgs(const Object *first, const Object *rest, $/;" f
fetchFromEnvironment pebblisp.c /^Object fetchFromEnvironment(const char *name, struct Environment *env)$/;" f
fixed fixed.h /^typedef int fixed;$/;" t
fixed_add fixed.c /^fixed fixed_add(fixed lhs, fixed rhs, bool* overflow)$/;" f
fixed_div fixed.c /^fixed fixed_div(fixed lhs, fixed rhs)$/;" f
@ -56,41 +63,39 @@ init calc.c /^static void init(void) {$/;" f file:
int_to_fixed fixed.c /^fixed int_to_fixed(int n)$/;" f
isDigit tokens.c /^int isDigit(const char c) {$/;" f
isSingle tokens.c /^int isSingle(const char c) {$/;" f
isWhitespace tokens.c /^int isWhitespace(const char c) {$/;" f
length pebblisp.h /^ int length;$/;" m struct:Slice
list pebblisp.h /^ Object *list;$/;" m union:Object::__anon1
main calc.c /^int main(void) {$/;" f
main pebblisp.c /^int main(void)$/;" f
mytext calc.h /^char mytext[SMAX_LENGTH] = "";$/;" v
name pebblisp.h /^ char name[MAX_TOK_LEN];$/;" m union:Object::__anon1
num1 calc.c /^static char num1[MAX_LENGTH] = ""; \/\/First operand$/;" v file:
num1_is_ans calc.c /^static bool num1_is_ans = false; \/\/Is the previous result in num1? Used to allow further calculations on result.$/;" v file:
num2 calc.c /^static char num2[MAX_LENGTH] = ""; \/\/Second operand$/;" v file:
number pebblisp.h /^ int number;$/;" m union:Object::__anon1
obj pebblisp.h /^ Object obj;$/;" m struct:Result
objects pebblisp.h /^ Object *objects;$/;" m struct:Environment
operator calc.c /^static uint8_t operator = 0; \/\/Operator, where 0 is +, 1 is -, 2 is *, 3 is \/, 4 is ^$/;" v file:
operator_entered calc.c /^static bool operator_entered = false; \/\/Has the operator been entered yet$/;" v file:
parse pebblisp.c /^Result parse(struct Slice *slices)$/;" f
parseAtom pebblisp.c /^Object parseAtom(struct Slice *s)$/;" f
parseEval pebblisp.c /^Object parseEval(const char *input, struct Environment *env)$/;" f
printf pebblisp.c 7;" d file:
printObj pebblisp.c /^void printObj(const Object *obj)$/;" f
printf pebblisp.c 8;" d file:
printf tokens.c 7;" d file:
readSeq pebblisp.c /^Result readSeq(struct Slice *tokens)$/;" f
repl pebblisp.c /^int repl(struct Environment *env)$/;" f
resultFromObjAndSlices pebblisp.c /^Result resultFromObjAndSlices(Object obj, struct Slice *slices)$/;" f
result_text calc.c /^static char result_text[MAX_LENGTH] = ""; \/\/Results text layer buffer string$/;" v file:
resulttext calc.h /^char resulttext[MAX_LENGTH] = "";$/;" v
s_input_text_layer calc.h /^TextLayer *s_input_text_layer;$/;" v
s_result_text_layer calc.h /^TextLayer *s_result_text_layer;$/;" v
s_window calc.h /^Window *s_window;$/;" v
select_handler calc.c /^static void select_handler(ClickRecognizerRef recognizer, void *context){$/;" f file:
selected_token calc.c /^static int8_t selected_token = 1; \/\/Currently selected button, starts on '5'$/;" v file:
singleTokens tokens.c /^static const char singleTokens[] = "()+-*\/";$/;" v file:
singleTokens tokens.c /^static const char singleTokens[] = "()+-*\/=";$/;" v file:
slices pebblisp.h /^ struct Slice *slices;$/;" m struct:Result typeref:struct:Result::Slice
str_to_fixed fixed.c /^fixed str_to_fixed(const char* str, bool* overflow)$/;" f
str_to_int fixed.c /^int str_to_int(const char *str, char **endptr, int maxnum) {$/;" f
stringObj pebblisp.c /^char* stringObj(char *dest, Object *obj)$/;" f
stringObj pebblisp.c /^char* stringObj(char *dest, const Object *obj)$/;" f
strings pebblisp.h /^ char **strings;$/;" m struct:Environment
temptext calc.h /^char temptext[SMAX_LENGTH] = "";$/;" v
text pebblisp.h /^ const char *text;$/;" m struct:Slice
tokenFail pebblisp.h /^static const char* tokenFail = "Missing ')'\\n";$/;" v
tokenize tokens.c /^struct Slice *tokenize(const char *input)$/;" f
tokens calc.h /^char *tokens[] = {$/;" v
type pebblisp.h /^ Type type;$/;" m struct:Object

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@ -16,7 +16,7 @@
*/
// Is the char a standalone token?
static const char singleTokens[] = "()+-*/";
static const char singleTokens[] = "()+-*/=";
int isSingle(const char c) {
int i = 0;
while(singleTokens[i] != '\0'){
@ -31,6 +31,14 @@ int isDigit(const char c) {
return c >= '0' && c <= '9';
}
int isWhitespace(const char c) {
return c == ' ' || c == '\t' || c == '\n';
}
int notWhitespace(const char c) {
return !isWhitespace(c);
}
struct Slice *tokenize(const char *input)
{
if(!input)
@ -44,6 +52,12 @@ struct Slice *tokenize(const char *input)
int parens = 0;
while(input[i] != '\0') {
printf("input: '%c'\n", input[i]);
if(isWhitespace(input[i])) {
i++;
continue;
}
if(input[i] == '(') {
parens++;
} else if (input[i] == ')') {
@ -56,7 +70,18 @@ struct Slice *tokenize(const char *input)
slice++;
i++;
} else if(isDigit(input[i])) {
} else {
slices[slice].text = &input[i];
//int (*check)(const char c) = isDigit(input[i])?
//&isDigit : &notWhitespace;
int l = 1;
while(!isWhitespace(input[++i]) && !isSingle(input[i])) {
l++;
}
slices[slice].length = l;
slice++;
}
/* } else if(isDigit(input[i])) {
slices[slice].text = &input[i];
int l = 1;
@ -66,9 +91,10 @@ struct Slice *tokenize(const char *input)
slices[slice].length = l;
slice++;
} else { // Whitespace or other uncaught
} else { // Other uncaught
i++;
}
*/
}
if(parens){