admin/llgo
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

llgo/c/lua:link style

Browse Source
This commit is contained in:
luoliwoshang
2024-07-13 22:57:01 +08:00
parent 9edeee4b3f
commit de4b5b70da
12 changed files with 225 additions and 183 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
c/lua/_demo/stack/stack.go
View File

@@ -7,24 +7,24 @@ import (
// printStack prints the current stack of the given Lua state.
func printStack(L *lua.State, stateName *c.Char) {
top := L.GetTop()
top := L.Gettop()
c.Printf(c.Str("%s stack (top=%d):"), stateName, top)
for i := 1; i <= int(top); i++ {
c.Printf(c.Str("%s "), L.ToString(c.Int(i)))
c.Printf(c.Str("%s "), L.Tostring(c.Int(i)))
}
c.Printf(c.Str("\n"))
}
func main() {
// Create a new Lua state and open libraries
L := lua.NewState()
L := lua.Newstate()
defer L.Close()
L.OpenLibs()
L.Openlibs()
// Push initial values onto the stack
L.PushString(c.Str("Hello"))
L.PushString(c.Str("LLGO"))
L.PushNumber(2024)
L.Pushstring(c.Str("Hello"))
L.Pushstring(c.Str("LLGO"))
L.Pushnumber(2024)
// Print initial stack
c.Printf(c.Str("Initial stack:\n"))
@@ -32,11 +32,11 @@ func main() {
// Use absindex to ensure the index is positive
idx := -2
absIdx := L.AbsIndex(c.Int(idx))
absIdx := L.Absindex(c.Int(idx))
c.Printf(c.Str("Absolute index of 'LLGO': %d\n"), absIdx)
// Copy 'LLGO' to the top of the stack
L.PushValue(absIdx)
L.Pushvalue(absIdx)
c.Printf(c.Str("\nAfter pushing 'LLGO' to the top:\n"))
printStack(L, c.Str("L1"))
@@ -51,29 +51,54 @@ func main() {
printStack(L, c.Str("L1"))
// Check if we can grow the stack
if L.CheckStack(c.Int(2)) == 0 {
if L.Checkstack(c.Int(2)) == 0 {
c.Printf(c.Str("Cannot grow stack\n"))
return
}
// Push additional elements
L.PushNumber(3.14)
L.PushString(c.Str("Lua"))
L.Pushnumber(3.14)
L.Pushstring(c.Str("Lua"))
c.Printf(c.Str("\nAfter pushing more elements:\n"))
printStack(L, c.Str("L1"))
// Set the top of the stack, clearing extra elements
L.SetTop(c.Int(5))
L.Settop(c.Int(5))
c.Printf(c.Str("\nAfter setting top to 5:\n"))
printStack(L, c.Str("L1"))
// Create a second Lua state
L1 := lua.NewState()
L1 := lua.Newstate()
defer L1.Close()
// Move two elements to the new state
L.XMove(L1, c.Int(2))
L.Xmove(L1, c.Int(2))
c.Printf(c.Str("\nAfter moving two elements to L1:\n"))
printStack(L, c.Str("L1"))
printStack(L1, c.Str("L2"))
}
/* Expected output:
Initial stack:
L1 stack (top=3):Hello LLGO 2024.0
Absolute index of 'LLGO': 2
After pushing 'LLGO' to the top:
L1 stack (top=4):Hello LLGO 2024.0 LLGO
After rotating the stack:
L1 stack (top=4):LLGO 2024.0 LLGO Hello
After copying the top element to index 2:
L1 stack (top=4):LLGO Hello LLGO Hello
After pushing more elements:
L1 stack (top=6):LLGO Hello LLGO Hello 3.14 Lua
After setting top to 5:
L1 stack (top=5):LLGO Hello LLGO Hello 3.14
After moving two elements to L1:
L1 stack (top=3):LLGO Hello LLGO
L2 stack (top=2):Hello 3.14
*/