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add while and forever loops

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This commit is contained in:
William Bell
2023-03-12 01:10:31 +00:00
parent 27a1abe160
commit 4619f1c278
23 changed files with 655 additions and 112 deletions
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28
src/variable.go
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@@ -2,6 +2,7 @@ package main
import (
"strings"
"sync"
)
var variableCompile = makeRegex(`( *)([a-zA-Z_]|(\p{L}\p{M}*))([a-zA-Z0-9_]|(\p{L}\p{M}*))*( *)`)
@@ -10,6 +11,8 @@ var setVariableCompile = makeRegex(`( *)(let( +))(.|\n)+( *)=(.|\n)+`)
var autoAsignVariableCompile = makeRegex(`(.|\n)+=(.|\n)+`)
var deleteVariableCompile = makeRegex(`( *)delete( +)(.|\n)+( *)`)
var varMutex = sync.RWMutex{}
var blockedVariableNames = map[string]bool{
"if": true,
"else": true,
@@ -73,7 +76,10 @@ func parseVariable(code UNPARSEcode) (accessVariable, bool, ArErr, int) {
func readVariable(v accessVariable, stack stack) (any, ArErr) {
for i := len(stack) - 1; i >= 0; i-- {
if val, ok := stack[i][v.name]; ok {
varMutex.RLock()
val, ok := stack[i][v.name]
varMutex.RUnlock()
if ok {
return val, ArErr{}
}
}
@@ -196,24 +202,36 @@ func setVariableValue(v setVariable, stack stack, stacklevel int) (any, ArErr) {
if err.EXISTS {
return nil, err
}
resp = openJump(respp)
resp = openReturn(respp)
}
if v.TYPE == "let" {
if _, ok := stack[len(stack)-1][v.toset.(accessVariable).name]; ok {
varMutex.RLock()
_, ok := stack[len(stack)-1][v.toset.(accessVariable).name]
varMutex.RUnlock()
if ok {
return nil, ArErr{"Runtime Error", "variable \"" + v.toset.(accessVariable).name + "\" already exists", v.line, v.path, v.code, true}
}
varMutex.Lock()
stack[len(stack)-1][v.toset.(accessVariable).name] = resp
varMutex.Unlock()
} else {
switch x := v.toset.(type) {
case accessVariable:
for i := len(stack) - 1; i >= 0; i-- {
if _, ok := stack[i][x.name]; ok {
varMutex.RLock()
_, ok := stack[i][x.name]
varMutex.RUnlock()
if ok {
varMutex.Lock()
stack[i][x.name] = resp
varMutex.Unlock()
return resp, ArErr{}
}
}
varMutex.Lock()
stack[len(stack)-1][x.name] = resp
varMutex.Unlock()
case ArMapGet:
respp, err := runVal(x.VAL, stack, stacklevel+1)
if err.EXISTS {
@@ -225,7 +243,9 @@ func setVariableValue(v setVariable, stack stack, stacklevel int) (any, ArErr) {
}
switch y := respp.(type) {
case ArMap:
varMutex.Lock()
y[key] = resp
varMutex.Unlock()
default:
return nil, ArErr{"Runtime Error", "can't set for non map", v.line, v.path, v.code, true}
}