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-rw-r--r--pkg/pointer/exec.go161
-rw-r--r--pkg/pointer/intput-output.go9
-rw-r--r--pkg/pointer/pointer.go2
-rw-r--r--pkg/pointer/stack-stack.go37
-rw-r--r--pkg/pointer/stack.go3
5 files changed, 185 insertions, 27 deletions
diff --git a/pkg/pointer/exec.go b/pkg/pointer/exec.go
index f7fcf8f..448e1e1 100644
--- a/pkg/pointer/exec.go
+++ b/pkg/pointer/exec.go
@@ -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
diff --git a/pkg/pointer/intput-output.go b/pkg/pointer/intput-output.go
index cc7533e..ac58d44 100644
--- a/pkg/pointer/intput-output.go
+++ b/pkg/pointer/intput-output.go
@@ -4,8 +4,6 @@ import (
"fmt"
"log"
"os"
-
- "github.com/pkg/term"
)
var defaultInputLastChar *int = nil
@@ -16,13 +14,6 @@ func DefaultCharacterInput() int {
defaultInputLastChar = nil
return c
}
- t, err := term.Open("/dev/stdin")
- if err != nil {
- log.Fatalf("Could not open stdin: %+v", err)
- }
- defer t.Close()
- defer t.Restore()
- term.RawMode(t)
b := make([]byte, 1)
i, err := os.Stdin.Read(b)
if err != nil {
diff --git a/pkg/pointer/pointer.go b/pkg/pointer/pointer.go
index 2eea79d..d9a6b3d 100644
--- a/pkg/pointer/pointer.go
+++ b/pkg/pointer/pointer.go
@@ -31,6 +31,8 @@ type Pointer struct {
DecimalInput InputFunction
CharacterOutput OutputFunction
DecimalOutput OutputFunction
+ // command line arguments
+ Argv []string
}
func NewPointer() *Pointer {
diff --git a/pkg/pointer/stack-stack.go b/pkg/pointer/stack-stack.go
index 2f57b05..404542c 100644
--- a/pkg/pointer/stack-stack.go
+++ b/pkg/pointer/stack-stack.go
@@ -21,18 +21,27 @@ func (ss *StackStack) Begin(p *Pointer) {
np = -np
}
toss := &Stack{
- size: np,
- height: np,
- data: make([]int, np),
- next: soss,
+ size: np,
+ data: make([]int, np),
+ next: soss,
}
ss.head = toss
- max := n - soss.height
- if max < 0 {
- max = 0
- }
- for i := n - 1; i >= max; i-- {
- toss.data[i] = soss.data[soss.height-n+i]
+ if n > 0 {
+ toss.height = n
+ elts := soss.height - n
+ if elts < 0 {
+ elts = soss.height
+ } else {
+ elts = n
+ }
+ for i := 1; i <= elts; i++ {
+ toss.data[toss.height-i] = soss.data[soss.height-i]
+ }
+ soss.height -= elts
+ } else if n < 0 {
+ for i := 0; i < np; i++ {
+ soss.Push(0)
+ }
}
x, y := p.GetStorageOffset()
soss.Push(x)
@@ -50,6 +59,12 @@ func (ss *StackStack) End(p *Pointer) (reflect bool) {
x := soss.Pop()
p.SetStorageOffset(x, y)
if n > 0 {
+ if n > ss.head.height {
+ for i := n; i > ss.head.height; i-- {
+ soss.Push(0)
+ }
+ n = ss.head.height
+ }
soss.height += n
if soss.size < soss.height {
soss.data = append(soss.data, make([]int, soss.height-soss.size)...)
@@ -58,7 +73,7 @@ func (ss *StackStack) End(p *Pointer) (reflect bool) {
for i := n; i > 0; i-- {
soss.data[soss.height-i] = ss.head.data[ss.head.height-i]
}
- } else {
+ } else if n < 0 {
soss.height += n
if soss.height < 0 {
soss.height = 0
diff --git a/pkg/pointer/stack.go b/pkg/pointer/stack.go
index 1832dbb..ba51c7c 100644
--- a/pkg/pointer/stack.go
+++ b/pkg/pointer/stack.go
@@ -23,6 +23,9 @@ func (s *Stack) Clear() {
func (s *Stack) Duplicate() {
if s.height > 0 {
s.Push(s.data[s.height-1])
+ } else {
+ s.Push(0)
+ s.Push(0)
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 23:17:36 +0000