clang-format

This commit is contained in:
Neale Pickett 2024-12-04 18:40:53 -07:00
parent 9d3cce9bf6
commit ffc7d07214
6 changed files with 465 additions and 696 deletions

139
ctanks.c
View File

@ -1,11 +1,13 @@
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include "ctanks.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* Debugging help */
#define DUMPf(fmt, args...) fprintf(stderr, "%s:%s:%d " fmt "\n", __FILE__, __FUNCTION__, __LINE__, ##args)
#define DUMPf(fmt, args...) \
fprintf(stderr, "%s:%s:%d " fmt "\n", __FILE__, __FUNCTION__, __LINE__, \
##args)
#define DUMP() DUMPf("")
#define DUMP_d(v) DUMPf("%s = %d", #v, v)
#define DUMP_x(v) DUMPf("%s = 0x%x", #v, v)
@ -14,94 +16,63 @@
#define DUMP_f(v) DUMPf("%s = %f", #v, v)
#define DUMP_p(v) DUMPf("%s = %p", #v, v)
#define DUMP_xy(v) DUMPf("%s = (%f, %f)", #v, v[0], v[1]);
#define DUMP_angle(v) DUMPf("%s = %.3fτ", #v, (v/TAU));
#define DUMP_angle(v) DUMPf("%s = %.3fτ", #v, (v / TAU));
#define sq(x) ((x) * (x))
void
tank_init(struct tank *tank, tank_run_func *run, void *udata)
{
void tank_init(struct tank *tank, tank_run_func *run, void *udata) {
memset(tank, 0, sizeof(*tank));
tank->run = run;
tank->udata = udata;
}
int
tank_fire_ready(struct tank *tank)
{
return (! tank->turret.recharge);
}
int tank_fire_ready(struct tank *tank) { return (!tank->turret.recharge); }
void
tank_fire(struct tank *tank)
{
void tank_fire(struct tank *tank) {
tank->turret.firing = tank_fire_ready(tank);
}
void
tank_set_speed(struct tank *tank, float left, float right)
{
void tank_set_speed(struct tank *tank, float left, float right) {
tank->speed.desired[0] = min(max(left, -100), 100);
tank->speed.desired[1] = min(max(right, -100), 100);
}
float
tank_get_turret(struct tank *tank)
{
return tank->turret.current;
}
float tank_get_turret(struct tank *tank) { return tank->turret.current; }
void
tank_set_turret(struct tank *tank, float angle)
{
void tank_set_turret(struct tank *tank, float angle) {
tank->turret.desired = fmodf(angle, TAU);
}
int
tank_get_sensor(struct tank *tank, int sensor_num)
{
int tank_get_sensor(struct tank *tank, int sensor_num) {
if ((sensor_num < 0) || (sensor_num > TANK_MAX_SENSORS)) {
return 0;
}
return tank->sensors[sensor_num].triggered;
}
void
tank_set_led(struct tank *tank, int active)
{
tank->led = active;
}
void tank_set_led(struct tank *tank, int active) { tank->led = active; }
static void
rotate_point(float angle, float point[2])
{
static void rotate_point(float angle, float point[2]) {
float cos_, sin_;
float new[2];
cos_ = cosf(angle);
sin_ = sinf(angle);
new[0] = point[0]*cos_ - point[1]*sin_;
new[1] = point[0]*sin_ + point[1]*cos_;
new[0] = point[0] * cos_ - point[1] * sin_;
new[1] = point[0] * sin_ + point[1] * cos_;
point[0] = new[0];
point[1] = new[1];
}
static void
tanks_fire_cannon(struct tanks_game *game,
struct tank *this,
struct tank *that,
float vector[2],
float dist2)
{
static void tanks_fire_cannon(struct tanks_game *game, struct tank *this,
struct tank *that, float vector[2], float dist2) {
float theta = this->angle + this->turret.current;
float rpos[2];
/* If someone's a crater, this is easy (unless we were just killed by the other one, in which case
we have to check the other direction) */
/* If someone's a crater, this is easy (unless we were just killed by the
other one, in which case we have to check the other direction) */
if ((this->killer && this->killer != that) || that->killer) {
return;
}
@ -118,7 +89,7 @@ tanks_fire_cannon(struct tanks_game *game,
}
/* No need to check if it's not even firing */
if (! this->turret.firing) {
if (!this->turret.firing) {
return;
}
@ -138,13 +109,8 @@ tanks_fire_cannon(struct tanks_game *game,
}
}
static void
tanks_sensor_calc(struct tanks_game *game,
struct tank *this,
struct tank *that,
float vector[2],
float dist2)
{
static void tanks_sensor_calc(struct tanks_game *game, struct tank *this,
struct tank *that, float vector[2], float dist2) {
int i;
/* If someone's a crater, this is easy */
@ -211,13 +177,8 @@ tanks_sensor_calc(struct tanks_game *game,
}
}
void
compute_vector(struct tanks_game *game,
float vector[2],
float *dist2,
struct tank *this,
struct tank *that)
{
void compute_vector(struct tanks_game *game, float vector[2], float *dist2,
struct tank *this, struct tank *that) {
int i;
/* Establish shortest vector from center of this to center of that,
@ -228,8 +189,7 @@ compute_vector(struct tanks_game *game,
vector[i] = that->position[i] - this->position[i];
if (vector[i] > halfsize) {
vector[i] = vector[i] - game->size[i];
}
else if (vector[i] < -halfsize) {
} else if (vector[i] < -halfsize) {
vector[i] = game->size[i] + vector[i];
}
}
@ -238,10 +198,7 @@ compute_vector(struct tanks_game *game,
*dist2 = sq(vector[0]) + sq(vector[1]);
}
void
tanks_move_tank(struct tanks_game *game,
struct tank *tank)
{
void tanks_move_tank(struct tanks_game *game, struct tank *tank) {
int i;
float movement;
float angle;
@ -268,11 +225,11 @@ tanks_move_tank(struct tanks_game *game,
if (tank->speed.current[i] == tank->speed.desired[i]) {
/* Do nothing */
} else if (tank->speed.current[i] < tank->speed.desired[i]) {
tank->speed.current[i] = min(tank->speed.current[i] + TANK_MAX_ACCEL,
tank->speed.desired[i]);
tank->speed.current[i] =
min(tank->speed.current[i] + TANK_MAX_ACCEL, tank->speed.desired[i]);
} else {
tank->speed.current[i] = max(tank->speed.current[i] - TANK_MAX_ACCEL,
tank->speed.desired[i]);
tank->speed.current[i] =
max(tank->speed.current[i] - TANK_MAX_ACCEL, tank->speed.desired[i]);
}
}
@ -301,7 +258,8 @@ tanks_move_tank(struct tanks_game *game,
to be a penalty for having the treads go in opposite directions.
This probably plays hell with precisely-planned tanks, which I
find very ha ha. */
friction = TANK_FRICTION * (fabsf(tank->speed.current[0] - tank->speed.current[1]) / 200);
friction = TANK_FRICTION *
(fabsf(tank->speed.current[0] - tank->speed.current[1]) / 200);
v[0] = tank->speed.current[0] * (1 - friction) * (TANK_TOP_SPEED / 100.0);
v[1] = tank->speed.current[1] * (1 - friction) * (TANK_TOP_SPEED / 100.0);
@ -330,7 +288,7 @@ tanks_move_tank(struct tanks_game *game,
theta = So/r
We multiply it by dir to adjust for the direction of rotation
*/
theta = So/r * dir;
theta = So / r * dir;
movement = r * tanf(theta);
angle = theta;
@ -345,15 +303,13 @@ tanks_move_tank(struct tanks_game *game,
m[1] = sinf(tank->angle) * movement * dir;
for (i = 0; i < 2; i += 1) {
tank->position[i] = fmodf(tank->position[i] + m[i] + game->size[i],
game->size[i]);
tank->position[i] =
fmodf(tank->position[i] + m[i] + game->size[i], game->size[i]);
}
}
}
void
tanks_run_turn(struct tanks_game *game, struct tank *tanks, int ntanks)
{
void tanks_run_turn(struct tanks_game *game, struct tank *tanks, int ntanks) {
int i, j;
float vector[2];
float dist2; /* distance squared */
@ -369,7 +325,8 @@ tanks_run_turn(struct tanks_game *game, struct tank *tanks, int ntanks)
tanks[i].turret.firing = 0;
tanks[i].turret.recharge = TANK_CANNON_RECHARGE;
}
if (tanks[i].killer) continue;
if (tanks[i].killer)
continue;
if (tanks[i].turret.recharge) {
tanks[i].turret.recharge -= 1;
}
@ -380,13 +337,15 @@ tanks_run_turn(struct tanks_game *game, struct tank *tanks, int ntanks)
/* Move tanks */
for (i = 0; i < ntanks; i += 1) {
if (tanks[i].killer) continue;
if (tanks[i].killer)
continue;
tanks_move_tank(game, &(tanks[i]));
}
/* Probe sensors */
for (i = 0; i < ntanks; i += 1) {
if (tanks[i].killer) continue;
if (tanks[i].killer)
continue;
for (j = i + 1; j < ntanks; j += 1) {
struct tank *this = &tanks[i];
struct tank *that = &tanks[j];
@ -401,13 +360,15 @@ tanks_run_turn(struct tanks_game *game, struct tank *tanks, int ntanks)
/* Run programs */
for (i = 0; i < ntanks; i += 1) {
if (tanks[i].killer) continue;
if (tanks[i].killer)
continue;
tanks[i].run(&tanks[i], tanks[i].udata);
}
/* Fire cannons and check for crashes */
for (i = 0; i < ntanks; i += 1) {
if (tanks[i].killer) continue;
if (tanks[i].killer)
continue;
for (j = i + 1; j < ntanks; j += 1) {
struct tank *this = &tanks[i];
struct tank *that = &tanks[j];

View File

@ -11,7 +11,7 @@
#define TANK_CANNON_RECHARGE 20 /* Turns to recharge cannon */
#define TANK_CANNON_RANGE (TANK_SENSOR_RANGE / 2)
#define TANK_MAX_ACCEL 35
#define TANK_MAX_TURRET_ROT (TAU/8)
#define TANK_MAX_TURRET_ROT (TAU / 8)
#define TANK_TOP_SPEED 7
#define TANK_FRICTION 0.75
@ -29,13 +29,13 @@
((TANK_CANNON_RANGE + TANK_RADIUS) * (TANK_CANNON_RANGE + TANK_RADIUS))
#ifndef rad2deg
#define rad2deg(r) ((int)(360*(r)/TAU))
#define deg2rad(r) ((r*TAU)/360)
#define rad2deg(r) ((int)(360 * (r) / TAU))
#define deg2rad(r) ((r * TAU) / 360)
#endif
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define max(a, b) (((a) > (b)) ? (a) : (b))
#define min(a, b) (((a) < (b)) ? (a) : (b))
#endif
struct tanks_game {
@ -79,7 +79,6 @@ struct tank {
void tank_init(struct tank *tank, tank_run_func *run, void *udata);
void tanks_run_turn(struct tanks_game *game, struct tank *tanks, int ntanks);
/*
*
* Tanks API for scripts

12
dump.h
View File

@ -7,7 +7,9 @@
#endif
/* Debugging */
#define DUMPf(fmt, args...) fprintf(stderr, "%s:%s:%d " fmt "\n", __FILE__, __FUNCTION__, __LINE__, ##args)
#define DUMPf(fmt, args...) \
fprintf(stderr, "%s:%s:%d " fmt "\n", __FILE__, __FUNCTION__, __LINE__, \
##args)
#define DUMP() DUMPf("")
#define DUMP_d(v) DUMPf("%s = %d", #v, v)
#define DUMP_x(v) DUMPf("%s = 0x%x", #v, v)
@ -16,15 +18,17 @@
#define DUMP_f(v) DUMPf("%s = %f", #v, v)
#define DUMP_p(v) DUMPf("%s = %p", #v, v)
#define DUMP_xy(v) DUMPf("%s = (%f, %f)", #v, v[0], v[1]);
#define DUMP_angle(v) DUMPf("%s = %.3fτ", #v, (v/TAU));
#define DUMP_angle(v) DUMPf("%s = %.3fτ", #v, (v / TAU));
/* Tektronix 4014 drawing */
#define TEK_ENABLE "\033[?38h"
#define TEK_DISABLE "\033\003"
#define TEK(fmt, args...) fprintf(stderr, TEK_ENABLE fmt TEK_DISABLE, ##args)
#define TEK_coord(x, y) ((int)y/32)+32,((int)y%32)+96,((int)x/32)+32,((int)x%32)+64
#define TEK_coord(x, y) \
((int)y / 32) + 32, ((int)y % 32) + 96, ((int)x / 32) + 32, ((int)x % 32) + 64
#define TEK_cls() TEK("\033\014")
#define TEK_line(x1, y1, x2, y2) TEK("\035%c%c%c%c%c%c%c%c", TEK_coord(x1, y1), TEK_coord(x2, y2))
#define TEK_line(x1, y1, x2, y2) \
TEK("\035%c%c%c%c%c%c%c%c", TEK_coord(x1, y1), TEK_coord(x2, y2))
#define TEK_point(x, y) TEK("\034%c%c%c%c", TEK_coord(x, y))
#define TEK_text(x, y, s) TEK("\035%c%c%c%c\037%s", TEK_coord(x, y), s)

275
forf.c
View File

@ -27,28 +27,22 @@
* and not new stack types.
*/
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include "forf.h"
#include "dump.h"
#include "forf.h"
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define max(a, b) (((a) > (b)) ? (a) : (b))
#define min(a, b) (((a) < (b)) ? (a) : (b))
#endif
char *forf_error_str[] = {
"None",
"Runtime",
"Parse",
"Underflow",
"Overflow",
"Type",
"No such procedure",
"Divide by zero",
"None", "Runtime", "Parse", "Underflow", "Overflow",
"Type", "No such procedure", "Divide by zero",
};
/*
@ -56,47 +50,29 @@ char *forf_error_str[] = {
* Memory manipulation
*
*/
void
forf_memory_init(struct forf_memory *m,
long *values,
size_t size)
{
void forf_memory_init(struct forf_memory *m, long *values, size_t size) {
m->mem = values;
m->size = size;
}
/*
*
* Stack manipulation
*
*/
void
forf_stack_init(struct forf_stack *s,
struct forf_value *values,
size_t size)
{
void forf_stack_init(struct forf_stack *s, struct forf_value *values,
size_t size) {
s->stack = values;
s->size = size;
s->top = 0;
}
void
forf_stack_reset(struct forf_stack *s)
{
s->top = 0;
}
void forf_stack_reset(struct forf_stack *s) { s->top = 0; }
size_t
forf_stack_len(struct forf_stack *s)
{
return s->top;
}
size_t forf_stack_len(struct forf_stack *s) { return s->top; }
int
forf_stack_push(struct forf_stack *s, struct forf_value *v)
{
int forf_stack_push(struct forf_stack *s, struct forf_value *v) {
if (s->top == s->size) {
return 0;
}
@ -104,9 +80,7 @@ forf_stack_push(struct forf_stack *s, struct forf_value *v)
return 1;
}
int
forf_stack_pop(struct forf_stack *s, struct forf_value *v)
{
int forf_stack_pop(struct forf_stack *s, struct forf_value *v) {
if (0 == s->top) {
return 0;
}
@ -114,23 +88,18 @@ forf_stack_pop(struct forf_stack *s, struct forf_value *v)
return 1;
}
void
forf_stack_copy(struct forf_stack *dst, struct forf_stack *src)
{
void forf_stack_copy(struct forf_stack *dst, struct forf_stack *src) {
int top = min(dst->size, src->top);
dst->top = top;
memcpy(dst->stack, src->stack, sizeof(*dst->stack) * top);
}
void
forf_stack_reverse(struct forf_stack *s)
{
void forf_stack_reverse(struct forf_stack *s) {
struct forf_value val;
size_t pos;
for (pos = 0; pos < (s->top)/2; pos += 1) {
for (pos = 0; pos < (s->top) / 2; pos += 1) {
size_t qos = s->top - pos - 1;
val = s->stack[pos];
@ -139,12 +108,10 @@ forf_stack_reverse(struct forf_stack *s)
}
}
long
forf_pop_num(struct forf_env *env)
{
long forf_pop_num(struct forf_env *env) {
struct forf_value val;
if (! forf_stack_pop(env->data, &val)) {
if (!forf_stack_pop(env->data, &val)) {
env->error = forf_error_underflow;
return 0;
}
@ -156,19 +123,16 @@ forf_pop_num(struct forf_env *env)
return val.v.i;
}
void
forf_push_num(struct forf_env *env, long i)
{
void forf_push_num(struct forf_env *env, long i) {
struct forf_value val;
val.type = forf_type_number;
val.v.i = i;
if (! forf_stack_push(env->data, &val)) {
if (!forf_stack_push(env->data, &val)) {
env->error = forf_error_overflow;
}
}
/* Pop an entire stack
*
* DANGER WILL ROBINSON
@ -177,14 +141,12 @@ forf_push_num(struct forf_env *env, long i)
* finished with this stack before you push anything onto the data
* stack, otherwise your returned stack will be corrupted.
*/
struct forf_stack
forf_pop_stack(struct forf_env *env)
{
struct forf_stack s = { 0, 0, NULL };
struct forf_stack forf_pop_stack(struct forf_env *env) {
struct forf_stack s = {0, 0, NULL};
struct forf_value val;
size_t depth = 1;
if (! forf_stack_pop(env->data, &val)) {
if (!forf_stack_pop(env->data, &val)) {
env->error = forf_error_underflow;
return s;
}
@ -198,7 +160,7 @@ forf_pop_stack(struct forf_env *env)
s.size = -1;
while (depth) {
s.size += 1;
if (! forf_stack_pop(env->data, &val)) {
if (!forf_stack_pop(env->data, &val)) {
/* You should never underflow here, there should at least be a
stack begin marker. */
env->error = forf_error_runtime;
@ -223,13 +185,11 @@ forf_pop_stack(struct forf_env *env)
/* Push an entire stack onto another stack.
*/
int
forf_push_stack(struct forf_stack *dst, struct forf_stack *src)
{
int forf_push_stack(struct forf_stack *dst, struct forf_stack *src) {
struct forf_value val;
while (forf_stack_pop(src, &val)) {
if (! forf_stack_push(dst, &val)) {
if (!forf_stack_push(dst, &val)) {
return 0;
}
}
@ -240,10 +200,8 @@ forf_push_stack(struct forf_stack *dst, struct forf_stack *src)
*
* This is meant to work with the return value from forf_pop_stack.
*/
int
forf_push_to_command_stack(struct forf_env *env, struct forf_stack *src)
{
if (! forf_push_stack(env->command, src)) {
int forf_push_to_command_stack(struct forf_env *env, struct forf_stack *src) {
if (!forf_push_stack(env->command, src)) {
env->error = forf_error_overflow;
return 0;
}
@ -259,24 +217,21 @@ forf_push_to_command_stack(struct forf_env *env, struct forf_stack *src)
* always have "reversed" substacks, and everything else will have them
* in the right order.
*/
int
forf_stack_move_value(struct forf_env *env,
struct forf_stack *dst,
struct forf_stack *src)
{
int forf_stack_move_value(struct forf_env *env, struct forf_stack *dst,
struct forf_stack *src) {
struct forf_value val;
size_t depth = 0;
do {
/* Pop from src */
if (! forf_stack_pop(env->command, &val)) {
if (!forf_stack_pop(env->command, &val)) {
env->error = forf_error_underflow;
return 0;
}
/* Push to dst (or discard if dst is NULL) */
if (dst) {
if (! forf_stack_push(env->data, &val)) {
if (!forf_stack_push(env->data, &val)) {
env->error = forf_error_overflow;
return 0;
}
@ -296,10 +251,8 @@ forf_stack_move_value(struct forf_env *env,
} while (depth > 0);
return 1;
}
/*
*
* Procedures
@ -307,45 +260,28 @@ forf_stack_move_value(struct forf_env *env,
*/
#define unproc(name, op) \
static void \
forf_proc_ ## name(struct forf_env *env) \
{ \
static void forf_proc_##name(struct forf_env *env) { \
long a = forf_pop_num(env); \
\
forf_push_num(env, op a); \
}
unproc(inv, ~)
unproc(not, !)
unproc(inv, ~) unproc(not, !)
#define binproc(name, op) \
static void \
forf_proc_ ## name(struct forf_env *env) \
{ \
static void forf_proc_##name(struct forf_env *env) { \
long a = forf_pop_num(env); \
long b = forf_pop_num(env); \
\
forf_push_num(env, b op a); \
}
binproc(add, +)
binproc(sub, -)
binproc(mul, *)
binproc(and, &)
binproc(or, |)
binproc(xor, ^)
binproc(lshift, <<)
binproc(rshift, >>)
binproc(gt, >)
binproc(ge, >=)
binproc(lt, <)
binproc(le, <=)
binproc(eq, ==)
binproc(ne, !=)
binproc(add, +) binproc(sub, -) binproc(mul, *) binproc(and, &)
binproc(or, |) binproc(xor, ^) binproc(lshift, <<) binproc(rshift, >>)
binproc(gt, >) binproc(ge, >=) binproc(lt, <) binproc(le, <=)
binproc(eq, ==) binproc(ne, !=)
static void
forf_proc_div(struct forf_env *env)
{
static void forf_proc_div(struct forf_env *env) {
long a = forf_pop_num(env);
long b = forf_pop_num(env);
@ -356,9 +292,7 @@ forf_proc_div(struct forf_env *env)
forf_push_num(env, b / a);
}
static void
forf_proc_mod(struct forf_env *env)
{
static void forf_proc_mod(struct forf_env *env) {
long a = forf_pop_num(env);
long b = forf_pop_num(env);
@ -369,30 +303,20 @@ forf_proc_mod(struct forf_env *env)
forf_push_num(env, b % a);
}
static void
forf_proc_abs(struct forf_env *env)
{
static void forf_proc_abs(struct forf_env *env) {
forf_push_num(env, abs(forf_pop_num(env)));
}
static void
forf_proc_dup(struct forf_env *env)
{
static void forf_proc_dup(struct forf_env *env) {
long a = forf_pop_num(env);
forf_push_num(env, a);
forf_push_num(env, a);
}
static void
forf_proc_pop(struct forf_env *env)
{
forf_pop_num(env);
}
static void forf_proc_pop(struct forf_env *env) { forf_pop_num(env); }
static void
forf_proc_exch(struct forf_env *env)
{
static void forf_proc_exch(struct forf_env *env) {
long a = forf_pop_num(env);
long b = forf_pop_num(env);
@ -400,9 +324,7 @@ forf_proc_exch(struct forf_env *env)
forf_push_num(env, b);
}
static void
forf_proc_if(struct forf_env *env)
{
static void forf_proc_if(struct forf_env *env) {
struct forf_stack ifclause = forf_pop_stack(env);
long cond = forf_pop_num(env);
@ -411,9 +333,7 @@ forf_proc_if(struct forf_env *env)
}
}
static void
forf_proc_ifelse(struct forf_env *env)
{
static void forf_proc_ifelse(struct forf_env *env) {
struct forf_stack elseclause = forf_pop_stack(env);
struct forf_stack ifclause = forf_pop_stack(env);
long cond = forf_pop_num(env);
@ -425,9 +345,7 @@ forf_proc_ifelse(struct forf_env *env)
}
}
static void
forf_proc_memset(struct forf_env *env)
{
static void forf_proc_memset(struct forf_env *env) {
long pos = forf_pop_num(env);
long a = forf_pop_num(env);
@ -439,9 +357,7 @@ forf_proc_memset(struct forf_env *env)
env->memory->mem[pos] = a;
}
static void
forf_proc_memget(struct forf_env *env)
{
static void forf_proc_memget(struct forf_env *env) {
long pos = forf_pop_num(env);
if (pos >= env->memory->size) {
@ -457,8 +373,7 @@ forf_proc_memget(struct forf_env *env)
* Lexical environment
*
*/
struct forf_lexical_env forf_base_lexical_env[] = {
{"~", forf_proc_inv},
struct forf_lexical_env forf_base_lexical_env[] = {{"~", forf_proc_inv},
{"!", forf_proc_not},
{"+", forf_proc_add},
{"-", forf_proc_sub},
@ -484,39 +399,33 @@ struct forf_lexical_env forf_base_lexical_env[] = {
{"ifelse", forf_proc_ifelse},
{"mset", forf_proc_memset},
{"mget", forf_proc_memget},
{NULL, NULL}
};
{NULL, NULL}};
/** Extend a lexical environment */
int
forf_extend_lexical_env(struct forf_lexical_env *dest,
struct forf_lexical_env *src,
size_t size)
{
int forf_extend_lexical_env(struct forf_lexical_env *dest,
struct forf_lexical_env *src, size_t size) {
int base, i;
for (base = 0; dest[base].name; base += 1);
for (i = 0; (base+i < size) && (src[i].name); i += 1) {
dest[base+i] = src[i];
for (base = 0; dest[base].name; base += 1)
;
for (i = 0; (base + i < size) && (src[i].name); i += 1) {
dest[base + i] = src[i];
}
if (base + i == size) {
/* Not enough room */
return 0;
}
dest[base+i].name = NULL;
dest[base+i].proc = NULL;
dest[base + i].name = NULL;
dest[base + i].proc = NULL;
return 1;
}
/*
*
* Parsing
*
*/
static int
forf_push_token(struct forf_env *env, char *token, size_t tokenlen)
{
static int forf_push_token(struct forf_env *env, char *token, size_t tokenlen) {
long i;
char s[MAX_TOKEN_LEN + 1];
char *endptr;
@ -549,7 +458,7 @@ forf_push_token(struct forf_env *env, char *token, size_t tokenlen)
}
}
if (! forf_stack_push(env->command, &val)) {
if (!forf_stack_push(env->command, &val)) {
env->error = forf_error_overflow;
return 0;
}
@ -558,11 +467,8 @@ forf_push_token(struct forf_env *env, char *token, size_t tokenlen)
}
/* Parse an input stream onto the command stack */
int
forf_parse_stream(struct forf_env *env,
forf_getch_func *getch,
void *datum)
{
int forf_parse_stream(struct forf_env *env, forf_getch_func *getch,
void *datum) {
int running = 1;
long pos = 0;
char token[MAX_TOKEN_LEN];
@ -574,7 +480,8 @@ forf_parse_stream(struct forf_env *env,
#define _tokenize() \
do { \
if (tokenlen) { \
if (! forf_push_token(env, token, tokenlen)) return pos; \
if (!forf_push_token(env, token, tokenlen)) \
return pos; \
tokenlen = 0; \
} \
} while (0)
@ -616,7 +523,7 @@ forf_parse_stream(struct forf_env *env,
case '{':
_tokenize();
val.type = forf_type_stack_begin;
if (! forf_stack_push(env->command, &val)) {
if (!forf_stack_push(env->command, &val)) {
env->error = forf_error_overflow;
return pos;
}
@ -625,7 +532,7 @@ forf_parse_stream(struct forf_env *env,
case '}':
_tokenize();
val.type = forf_type_stack_end;
if (! forf_stack_push(env->command, &val)) {
if (!forf_stack_push(env->command, &val)) {
env->error = forf_error_overflow;
return pos;
}
@ -657,20 +564,14 @@ struct forf_char_stream {
size_t pos;
};
static int
forf_string_getch(struct forf_char_stream *stream)
{
static int forf_string_getch(struct forf_char_stream *stream) {
if (stream->pos >= stream->len) {
return EOF;
}
return stream->buf[stream->pos++];
}
int
forf_parse_buffer(struct forf_env *env,
char *buf,
size_t len)
{
int forf_parse_buffer(struct forf_env *env, char *buf, size_t len) {
struct forf_char_stream stream;
stream.buf = buf;
@ -680,35 +581,23 @@ forf_parse_buffer(struct forf_env *env,
return forf_parse_stream(env, (forf_getch_func *)forf_string_getch, &stream);
}
int
forf_parse_string(struct forf_env *env,
char *str)
{
int forf_parse_string(struct forf_env *env, char *str) {
return forf_parse_buffer(env, str, strlen(str));
}
int
forf_parse_file(struct forf_env *env,
FILE *f)
{
int forf_parse_file(struct forf_env *env, FILE *f) {
return forf_parse_stream(env, (forf_getch_func *)fgetc, f);
}
/*
*
* Forf environment
*
*/
void
forf_env_init(struct forf_env *env,
struct forf_lexical_env *lenv,
struct forf_stack *data,
struct forf_stack *cmd,
struct forf_memory *mem,
void *udata)
{
void forf_env_init(struct forf_env *env, struct forf_lexical_env *lenv,
struct forf_stack *data, struct forf_stack *cmd,
struct forf_memory *mem, void *udata) {
env->lenv = lenv;
env->data = data;
env->command = cmd;
@ -716,13 +605,10 @@ forf_env_init(struct forf_env *env,
env->udata = udata;
}
int
forf_eval_once(struct forf_env *env)
{
int forf_eval_once(struct forf_env *env) {
struct forf_value val;
if (! forf_stack_pop(env->command, &val)) {
if (!forf_stack_pop(env->command, &val)) {
env->error = forf_error_underflow;
return 0;
}
@ -731,7 +617,8 @@ forf_eval_once(struct forf_env *env)
case forf_type_stack_begin:
// Push back on command stack, then move it
forf_stack_push(env->command, &val);
if (! forf_stack_move_value(env, env->data, env->command)) return 0;
if (!forf_stack_move_value(env, env->data, env->command))
return 0;
break;
case forf_type_proc:
(val.v.p)(env);
@ -743,15 +630,13 @@ forf_eval_once(struct forf_env *env)
return 1;
}
int
forf_eval(struct forf_env *env)
{
int forf_eval(struct forf_env *env) {
int ret;
env->error = forf_error_none;
while (env->command->top) {
ret = forf_eval_once(env);
if ((! ret) || (env->error)) {
if ((!ret) || (env->error)) {
return 0;
}
}

43
forf.h
View File

@ -1,7 +1,7 @@
#pragma once
#include <stdio.h>
#include <inttypes.h>
#include <stdio.h>
#define MAX_TOKEN_LEN 20
#define MAX_CMDSTACK 200
@ -28,7 +28,7 @@ enum forf_error_type {
extern char *forf_error_str[];
typedef void (forf_proc)(struct forf_env *);
typedef void(forf_proc)(struct forf_env *);
struct forf_value {
enum forf_value_type type;
@ -63,7 +63,6 @@ struct forf_env {
void *udata;
};
/*
*
* Main entry points
@ -71,13 +70,10 @@ struct forf_env {
*/
/** Initialize a memory structure, given an array of longs */
void forf_memory_init(struct forf_memory *m,
long *values,
size_t size);
void forf_memory_init(struct forf_memory *m, long *values, size_t size);
/** Initialize a stack, given an array of values */
void forf_stack_init(struct forf_stack *s,
struct forf_value *values,
void forf_stack_init(struct forf_stack *s, struct forf_value *values,
size_t size);
void forf_stack_reset(struct forf_stack *s);
@ -94,51 +90,40 @@ void forf_push_num(struct forf_env *env, long i);
/** Pop a whole stack */
struct forf_stack forf_pop_stack(struct forf_env *env);
/** The base lexical environment */
extern struct forf_lexical_env forf_base_lexical_env[];
/** Extend a lexical environment */
int
forf_extend_lexical_env(struct forf_lexical_env *dest,
struct forf_lexical_env *src,
size_t size);
int forf_extend_lexical_env(struct forf_lexical_env *dest,
struct forf_lexical_env *src, size_t size);
/** Initialize a forf runtime environment.
*
* data, cmd, and mem should have already been initialized
*/
void forf_env_init(struct forf_env *env,
struct forf_lexical_env *lenv,
struct forf_stack *data,
struct forf_stack *cmd,
struct forf_memory *mem,
void *udata);
void forf_env_init(struct forf_env *env, struct forf_lexical_env *lenv,
struct forf_stack *data, struct forf_stack *cmd,
struct forf_memory *mem, void *udata);
/** The type of a getch function (used for parsing) */
typedef int (forf_getch_func)(void *);
typedef int(forf_getch_func)(void *);
/** Parse something by calling getch(datum)
*
* Returns the character at which an error was encountered, or
* 0 for successful parse.
*/
int forf_parse_stream(struct forf_env *env,
forf_getch_func *getch,
int forf_parse_stream(struct forf_env *env, forf_getch_func *getch,
void *datum);
/** Parse a buffer */
int forf_parse_buffer(struct forf_env *env,
char *buf,
size_t len);
int forf_parse_buffer(struct forf_env *env, char *buf, size_t len);
/** Parse a string */
int forf_parse_string(struct forf_env *env,
char *str);
int forf_parse_string(struct forf_env *env, char *str);
/** Parse a FILE * */
int forf_parse_file(struct forf_env *env,
FILE *f);
int forf_parse_file(struct forf_env *env, FILE *f);
/** Evaluate the topmost value on the command stack */
int forf_eval_once(struct forf_env *env);

View File

@ -1,13 +1,13 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include "ctanks.h"
#include "dump.h"
#include "forf.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "ctanks.h"
#include "forf.h"
#include "dump.h"
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#define MAX_TANKS 50
#define ROUNDS 500
@ -37,11 +37,8 @@ struct forftank {
long _memvals[MEMORY_SIZE];
};
#ifndef NODEBUG
void
forf_print_val(struct forf_value *val)
{
void forf_print_val(struct forf_value *val) {
switch (val->type) {
case forf_type_number:
printf("%ld", val->v.i);
@ -58,9 +55,7 @@ forf_print_val(struct forf_value *val)
}
}
void
forf_print_stack(struct forf_stack *s)
{
void forf_print_stack(struct forf_stack *s) {
size_t pos;
for (pos = 0; pos < s->top; pos += 1) {
@ -69,9 +64,7 @@ forf_print_stack(struct forf_stack *s)
}
}
void
forf_dump_stack(struct forf_stack *s)
{
void forf_dump_stack(struct forf_stack *s) {
printf("Stack at %p: ", s);
forf_print_stack(s);
printf("\n");
@ -85,27 +78,21 @@ forf_dump_stack(struct forf_stack *s)
*/
/** Has the turret recharged? */
void
forf_tank_fire_ready(struct forf_env *env)
{
void forf_tank_fire_ready(struct forf_env *env) {
struct tank *tank = (struct tank *)env->udata;
forf_push_num(env, tank_fire_ready(tank));
}
/** Fire! */
void
forf_tank_fire(struct forf_env *env)
{
void forf_tank_fire(struct forf_env *env) {
struct tank *tank = (struct tank *)env->udata;
tank_fire(tank);
}
/** Set desired speed */
void
forf_tank_set_speed(struct forf_env *env)
{
void forf_tank_set_speed(struct forf_env *env) {
struct tank *tank = (struct tank *)env->udata;
long right = forf_pop_num(env);
long left = forf_pop_num(env);
@ -114,9 +101,7 @@ forf_tank_set_speed(struct forf_env *env)
}
/** Get the current turret angle */
void
forf_tank_get_turret(struct forf_env *env)
{
void forf_tank_get_turret(struct forf_env *env) {
struct tank *tank = (struct tank *)env->udata;
float angle = tank_get_turret(tank);
@ -124,9 +109,7 @@ forf_tank_get_turret(struct forf_env *env)
}
/** Set the desired turret angle */
void
forf_tank_set_turret(struct forf_env *env)
{
void forf_tank_set_turret(struct forf_env *env) {
struct tank *tank = (struct tank *)env->udata;
long angle = forf_pop_num(env);
@ -134,9 +117,7 @@ forf_tank_set_turret(struct forf_env *env)
}
/** Is a sensor active? */
void
forf_tank_get_sensor(struct forf_env *env)
{
void forf_tank_get_sensor(struct forf_env *env) {
struct tank *tank = (struct tank *)env->udata;
long sensor_num = forf_pop_num(env);
@ -144,9 +125,7 @@ forf_tank_get_sensor(struct forf_env *env)
}
/** Set the LED state */
void
forf_tank_set_led(struct forf_env *env)
{
void forf_tank_set_led(struct forf_env *env) {
struct tank *tank = (struct tank *)env->udata;
long active = forf_pop_num(env);
@ -154,9 +133,7 @@ forf_tank_set_led(struct forf_env *env)
}
/** Pick a random number */
void
forf_proc_random(struct forf_env *env)
{
void forf_proc_random(struct forf_env *env) {
long max = forf_pop_num(env);
if (max < 1) {
@ -177,8 +154,7 @@ struct forf_lexical_env tanks_lenv_addons[] = {
{"sensor?", forf_tank_get_sensor},
{"set-led!", forf_tank_set_led},
{"random", forf_proc_random},
{NULL, NULL}
};
{NULL, NULL}};
/*
*
@ -186,9 +162,7 @@ struct forf_lexical_env tanks_lenv_addons[] = {
*
*/
int
ft_read_file(char *ptr, size_t size, char *dir, char *fn)
{
int ft_read_file(char *ptr, size_t size, char *dir, char *fn) {
char path[256];
FILE *f = NULL;
int ret;
@ -197,57 +171,52 @@ ft_read_file(char *ptr, size_t size, char *dir, char *fn)
do {
snprintf(path, sizeof(path), "%s/%s", dir, fn);
f = fopen(path, "r");
if (! f) break;
if (!f)
break;
ret = fread(ptr, 1, size - 1, f);
ptr[ret] = '\0';
if (! ret) break;
if (!ret)
break;
success = 1;
} while (0);
if (f) fclose(f);
if (! success) {
if (f)
fclose(f);
if (!success) {
return 0;
}
return 1;
}
void
ft_bricked_tank(struct tank *tank, void *ignored)
{
void ft_bricked_tank(struct tank *tank, void *ignored) {
/* Do nothing, the tank is comatose */
}
void
ft_run_tank(struct tank *tank, struct forftank *ftank)
{
void ft_run_tank(struct tank *tank, struct forftank *ftank) {
int ret;
/* Copy program into command stack */
forf_stack_copy(&ftank->_cmd, &ftank->_prog);
forf_stack_reset(&ftank->_data);
ret = forf_eval(&ftank->env);
if (! ret) {
fprintf(stderr, "Error in %s: %s\n",
ftank->path,
if (!ret) {
fprintf(stderr, "Error in %s: %s\n", ftank->path,
forf_error_str[ftank->env.error]);
}
}
int
ft_read_program(struct forftank *ftank,
struct tank *tank,
struct forf_lexical_env *lenv,
char *path)
{
int ft_read_program(struct forftank *ftank, struct tank *tank,
struct forf_lexical_env *lenv, char *path) {
char progpath[256];
FILE *f;
/* Open program */
snprintf(progpath, sizeof(progpath), "%s/program", path);
f = fopen(progpath, "r");
if (! f) return 0;
if (!f)
return 0;
/* Parse program */
ftank->error_pos = forf_parse_file(&ftank->env, f);
@ -265,28 +234,18 @@ ft_read_program(struct forftank *ftank,
return 1;
}
void
ft_tank_init(struct forftank *ftank,
struct tank *tank,
struct forf_lexical_env *lenv)
{
void ft_tank_init(struct forftank *ftank, struct tank *tank,
struct forf_lexical_env *lenv) {
/* Set up forf environment */
forf_stack_init(&ftank->_prog, ftank->_progvals, CSTACK_SIZE);
forf_stack_init(&ftank->_cmd, ftank->_cmdvals, CSTACK_SIZE);
forf_stack_init(&ftank->_data, ftank->_datavals, DSTACK_SIZE);
forf_memory_init(&ftank->_mem, ftank->_memvals, MEMORY_SIZE);
forf_env_init(&ftank->env,
lenv,
&ftank->_data,
&ftank->_cmd,
&ftank->_mem,
forf_env_init(&ftank->env, lenv, &ftank->_data, &ftank->_cmd, &ftank->_mem,
tank);
}
void
ft_read_sensors(struct tank *tank,
char *path)
{
void ft_read_sensors(struct tank *tank, char *path) {
int i;
for (i = 0; i < TANK_MAX_SENSORS; i += 1) {
@ -301,7 +260,7 @@ ft_read_sensors(struct tank *tank,
snprintf(fn, sizeof(fn), "sensor%d", i);
ret = ft_read_file(s, sizeof(s), path, fn);
if (! ret) {
if (!ret) {
s[0] = 0;
}
range = strtol(p, &p, 0);
@ -316,12 +275,8 @@ ft_read_sensors(struct tank *tank,
}
}
int
ft_read_tank(struct forftank *ftank,
struct tank *tank,
struct forf_lexical_env *lenv,
char *path)
{
int ft_read_tank(struct forftank *ftank, struct tank *tank,
struct forf_lexical_env *lenv, char *path) {
int ret;
ftank->path = path;
@ -338,7 +293,7 @@ ft_read_tank(struct forftank *ftank,
/* What is your name? */
ret = ft_read_file(ftank->name, sizeof(ftank->name), path, "name");
if (! ret) {
if (!ret) {
snprintf(ftank->name, sizeof(ftank->name), "i:%x", ftank->uid);
}
@ -354,29 +309,21 @@ ft_read_tank(struct forftank *ftank,
/* What is your favorite color? */
ret = ft_read_file(ftank->color, sizeof(ftank->color), path, "color");
if (! ret) {
if (!ret) {
strncpy(ftank->color, "#808080", sizeof(ftank->color));
}
return 1;
}
void
print_header(FILE *f,
struct tanks_game *game,
int seed)
{
void print_header(FILE *f, struct tanks_game *game, int seed) {
fprintf(f, "{\n");
fprintf(f, " \"seed\": %d,\n", seed);
fprintf(f, " \"field\": [%d,%d],\n", (int)game->size[0], (int)game->size[1]);
}
void
print_rounds(FILE *f,
struct tanks_game *game,
struct tank *tanks,
int ntanks)
{
void print_rounds(FILE *f, struct tanks_game *game, struct tank *tanks,
int ntanks) {
int alive;
fprintf(f, " \"rounds\": [\n");
@ -417,12 +364,8 @@ print_rounds(FILE *f,
alive -= 1;
flags |= 4;
}
fprintf(f, "[%d,%d,%.2f,%.2f,%d,%d]",
(int)t->position[0],
(int)(t->position[1]),
t->angle,
t->turret.current,
flags,
fprintf(f, "[%d,%d,%.2f,%.2f,%d,%d]", (int)t->position[0],
(int)(t->position[1]), t->angle, t->turret.current, flags,
sensors);
}
fprintf(f, "]");
@ -431,12 +374,8 @@ print_rounds(FILE *f,
fprintf(f, "\n ],\n");
}
void
print_standings(FILE *f,
struct forftank *ftanks,
struct tank *tanks,
int ntanks)
{
void print_standings(FILE *f, struct forftank *ftanks, struct tank *tanks,
int ntanks) {
fprintf(f, " \"tanks\": [\n");
for (int i = 0; i < ntanks; i += 1) {
@ -462,7 +401,8 @@ print_standings(FILE *f,
fprintf(f, " \"killer\": %d,\n", killer);
fprintf(f, " \"kills\": %d,\n", kills);
fprintf(f, " \"errorPos\": %d,\n", ftanks[i].error_pos);
fprintf(f, " \"error\": \"%s\",\n", forf_error_str[ftanks[i].env.error]);
fprintf(f, " \"error\": \"%s\",\n",
forf_error_str[ftanks[i].env.error]);
fprintf(f, " \"sensors\": [\n");
for (int j = 0; j < TANK_MAX_SENSORS; j += 1) {
struct sensor *s = &(tanks[i].sensors[j]);
@ -471,14 +411,14 @@ print_standings(FILE *f,
fprintf(f, ",\n");
}
if (! s->range) {
if (!s->range) {
fprintf(f, " null");
} else {
fprintf(f, " {\"range\":%d,\"angle\":%.2f,\"width\":%.2f,\"turret\":%s}",
(int)(s->range),
s->angle,
s->width,
s->turret?"true":"false");
fprintf(f,
" "
"{\"range\":%d,\"angle\":%.2f,\"width\":%.2f,\"turret\":%s}",
(int)(s->range), s->angle, s->width,
s->turret ? "true" : "false");
}
}
fprintf(f, "\n ]");
@ -488,16 +428,13 @@ print_standings(FILE *f,
fprintf(f, "\n ],\n");
}
void
print_footer(FILE *f)
{
fprintf(f, " \"\": null\n"); // sentry, so everything prior can end with a comma
void print_footer(FILE *f) {
fprintf(f,
" \"\": null\n"); // sentry, so everything prior can end with a comma
fprintf(f, "}\n");
}
int
main(int argc, char *argv[])
{
int main(int argc, char *argv[]) {
struct tanks_game game;
struct forftank myftanks[MAX_TANKS];
struct tank mytanks[MAX_TANKS];
@ -509,8 +446,8 @@ main(int argc, char *argv[])
lenv[0].name = NULL;
lenv[0].proc = NULL;
if ((! forf_extend_lexical_env(lenv, forf_base_lexical_env, LENV_SIZE)) ||
(! forf_extend_lexical_env(lenv, tanks_lenv_addons, LENV_SIZE))) {
if ((!forf_extend_lexical_env(lenv, forf_base_lexical_env, LENV_SIZE)) ||
(!forf_extend_lexical_env(lenv, tanks_lenv_addons, LENV_SIZE))) {
fprintf(stderr, "Unable to initialize lexical environment.\n");
return 1;
}
@ -518,9 +455,9 @@ main(int argc, char *argv[])
/* We only need slightly random numbers */
{
char *s = getenv("SEED");
seed = atoi(s?s:"");
seed = atoi(s ? s : "");
if (! seed) {
if (!seed) {
seed = getpid();
}
@ -534,10 +471,7 @@ main(int argc, char *argv[])
/* Every argument is a tank directory */
for (i = 1; ntanks < MAX_TANKS && i < argc; i += 1) {
if (ft_read_tank(&myftanks[ntanks],
&mytanks[ntanks],
lenv,
argv[i])) {
if (ft_read_tank(&myftanks[ntanks], &mytanks[ntanks], lenv, argv[i])) {
ntanks += 1;
}
}
@ -546,7 +480,8 @@ main(int argc, char *argv[])
{
int x, y;
for (x = 1; x * x < ntanks; x += 1);
for (x = 1; x * x < ntanks; x += 1)
;
y = ntanks / x;
if (ntanks % x) {
y += 1;
@ -570,8 +505,8 @@ main(int argc, char *argv[])
/* Position tanks */
{
int x = SPACING/2;
int y = SPACING/2;
int x = SPACING / 2;
int y = SPACING / 2;
for (i = 0; i < ntanks; i += 1) {
mytanks[order[i]].position[0] = (float)x;