adyxax/gofunge98
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Made the interpreter pass most of the mycology test suite

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This commit is contained in:
Julien Dessaux 2021-09-24 01:26:49 +02:00
parent 198efceb1f
commit da7e7dae2b
13 changed files with 206 additions and 35 deletions
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161
pkg/pointer/exec.go
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@ -2,6 +2,9 @@ package pointer
import (
"log"
"os"
"time"
"unsafe"
"git.adyxax.org/adyxax/gofunge/pkg/field"
)
@ -41,12 +44,21 @@ func (p *Pointer) eval(c int, f *field.Field) (done bool, returnValue *int) {
switch c {
case '@':
return true, nil
case 'z':
case '#':
p.Step(*f)
case 'j':
n := p.ss.head.Pop()
for j := 0; j < n; j++ {
p.Step(*f)
if n > 0 {
for j := 0; j < n; j++ {
p.Step(*f)
}
} else {
p.Reverse()
for j := 0; j < -n; j++ {
p.Step(*f)
}
p.Reverse()
}
case 'q':
v := p.ss.head.Pop()
@ -54,13 +66,27 @@ func (p *Pointer) eval(c int, f *field.Field) (done bool, returnValue *int) {
case 'k':
n := p.ss.head.Pop()
c = p.StepAndGet(*f)
steps := 1
for jumpingMode := false; jumpingMode || c == ' ' || c == ';'; c = p.StepAndGet(*f) {
steps += 1
if c == ';' {
jumpingMode = !jumpingMode
}
}
for j := 0; j < n; j++ {
p.eval(c, f)
if n > 0 {
// we need to reverse that step
p.Reverse()
for i := 0; i < steps; i++ {
p.Step(*f)
}
p.Reverse()
if c != ' ' && c != ';' {
if n > 0 {
for i := 0; i < n; i++ {
p.eval(c, f)
}
}
}
}
case '!':
v := p.ss.head.Pop()
@ -140,9 +166,13 @@ func (p *Pointer) eval(c int, f *field.Field) (done bool, returnValue *int) {
case '{':
p.ss.Begin(p)
case '}':
p.ss.End(p)
if p.ss.End(p) {
p.Reverse()
}
case 'u':
p.ss.Under()
if p.ss.Under() {
p.Reverse()
}
case 'g':
y, x := p.ss.head.Pop(), p.ss.head.Pop()
p.ss.head.Push(f.Get(x+p.sox, y+p.soy))
@ -157,6 +187,123 @@ func (p *Pointer) eval(c int, f *field.Field) (done bool, returnValue *int) {
p.ss.head.Push(p.DecimalInput())
case '~':
p.ss.head.Push(p.CharacterInput())
case 'y':
n := p.ss.head.Pop()
if n > 22+p.ss.height {
n = n - 20
if p.ss.head.height <= n {
p.ss.head.Push(0)
} else {
p.ss.head.Push(p.ss.head.data[p.ss.head.height-n])
}
return
}
now := time.Now()
x, y, lx, ly := f.Dump()
const uintSize = 32 << (^uint(0) >> 32 & 1) // 32 or 64
heights := make([]int, p.ss.height)
s := p.ss.head
for i := p.ss.height - 1; i >= 0; i-- {
heights[i] = s.height
s = s.next
}
if n <= 0 {
for _, e := range os.Environ() {
p.ss.head.Push(0)
for i := len(e) - 1; i >= 0; i-- {
p.ss.head.Push(int(e[i]))
}
}
}
if n <= 0 {
p.ss.head.Push(0)
p.ss.head.Push(0)
for i := len(p.Argv) - 1; i >= 0; i-- {
p.ss.head.Push(0)
for j := len(p.Argv[i]) - 1; j >= 0; j-- {
p.ss.head.Push(int(p.Argv[i][j]))
}
}
}
if (n > 22 && n <= 22+p.ss.height) || n <= 0 {
for i := 0; i < len(heights); i++ {
p.ss.head.Push(heights[i])
}
}
if n == 22 || n <= 0 {
p.ss.head.Push(p.ss.height)
}
if n == 21 || n <= 0 {
p.ss.head.Push((now.Hour() * 256 * 256) + (now.Minute() * 256) + now.Second())
}
if n == 20 || n <= 0 {
p.ss.head.Push(((now.Year() - 1900) * 256 * 256) + (int(now.Month()) * 256) + now.Day())
}
if n == 19 || n <= 0 {
p.ss.head.Push(lx + x)
}
if n == 18 || n <= 0 {
p.ss.head.Push(ly + y)
}
if n == 17 || n <= 0 {
p.ss.head.Push(x)
}
if n == 16 || n <= 0 {
p.ss.head.Push(y)
}
if n == 15 || n <= 0 {
p.ss.head.Push(p.sox)
}
if n == 14 || n <= 0 {
p.ss.head.Push(p.soy)
}
if n == 13 || n <= 0 {
p.ss.head.Push(p.dx)
}
if n == 12 || n <= 0 {
p.ss.head.Push(p.dy)
}
if n == 11 || n <= 0 {
p.ss.head.Push(p.x)
}
if n == 10 || n <= 0 {
p.ss.head.Push(p.y)
}
if n == 9 || n <= 0 {
p.ss.head.Push(0)
}
if n == 8 || n <= 0 {
p.ss.head.Push(*((*int)(unsafe.Pointer(p))))
}
if n == 7 || n <= 0 {
p.ss.head.Push(2)
}
if n == 6 || n <= 0 {
p.ss.head.Push('/')
}
if n == 5 || n <= 0 {
p.ss.head.Push(0) // TODO update when implementing =
}
if n == 4 || n <= 0 {
p.ss.head.Push(1)
}
if n == 3 || n <= 0 {
p.ss.head.Push(1048576)
}
if n == 2 || n <= 0 {
p.ss.head.Push(uintSize / 8)
}
if n == 1 || n <= 0 {
p.ss.head.Push(0b00000) // TODO update when implementing t, i, o and =
}
case 'i':
log.Fatalf("Non implemented instruction code %d : %c", c, c)
case 'o':
log.Fatalf("Non implemented instruction code %d : %c", c, c)
case '=':
log.Fatalf("Non implemented instruction code %d : %c", c, c)
case 't':
log.Fatalf("Non implemented instruction code %d : %c", c, c)
default:
handled = false
}
@ -168,7 +315,7 @@ func (p *Pointer) eval(c int, f *field.Field) (done bool, returnValue *int) {
case c >= 'a' && c <= 'f':
p.ss.head.Push(c - 'a' + 10)
default:
log.Fatalf("Non implemented instruction code %d : %c", c, c)
p.Redirect('r')
}
}
return