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add stdlib package with readme

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This commit is contained in:
Aidan 2020-06-21 11:11:57 -07:00
parent c40aea7326
commit 0b3bac7bca
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GPG key ID: 327711E983899316
9 changed files with 123 additions and 47 deletions
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24
cmd/repl.go
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@ -18,8 +18,10 @@
package main
import (
"os"
"fmt"
"bufio"
"strings"
"strconv"
"git.callpipe.com/aidan/shs/ast"
"git.callpipe.com/aidan/shs/log"
@ -32,10 +34,10 @@ const (
func setLogLvl() {
loglvl := os.Getenv("SH_LOGGING")
if loglvl != "" {
llvl, ok := strconv.ParseInt(loglvl, 10, 8)
if !ok {
log.Log(log.Err,
"couldnt parse log level",
llvl, err := strconv.ParseInt(loglvl, 10, 8)
if err != nil {
log.Log(log.ERR,
"couldnt parse log level: " + err.Error(),
"init")
} else {
log.SetLogLvl(llvl)
@ -49,18 +51,18 @@ func main() {
prompt := os.Getenv("SHS_SH_PROMPT")
var vars ast.VarTable
var funcs ast.VarTable
var funcs ast.FuncTable
useHist := false
var histFile os.File
var histFile *os.File
var err error
if hist != "" {
useHist = true
histFile, err = os.OpenFile(histFile, os.O_RDWR|os.O_CREATE, 0755)
histFile, err = os.OpenFile(hist, os.O_RDWR|os.O_CREATE, 0755)
if err != nil {
useHist = false
log.Log(log.ERR, "coudlnt open histfile: " + err, "init")
log.Log(log.ERR, "coudlnt open histfile: " + err.Error(), "init")
}
}
@ -75,7 +77,7 @@ func main() {
fmt.Print(prompt + " ")
text, err := reader.ReadString('\n')
if err != nil {
log.Log(log.ERR, "couldnt read user input: " + err, "repl")
log.Log(log.ERR, "couldnt read user input: " + err.Error(), "repl")
}
// TODO: replace with a regex
@ -85,7 +87,7 @@ func main() {
if useHist {
_, err = histFile.Write([]byte(text + "\n"))
if err != nil {
log.Log(log.DEBUG, "couldnt write to histfile: " + err, "repl")
log.Log(log.DEBUG, "couldnt write to histfile: " + err.Error(), "repl")
}
}
@ -97,7 +99,7 @@ func main() {
}
if debug != "" {
log.PrintSExprsIndividually(userInput)
ast.PrintSExprsIndividually(userInput)
}
result := userInput.Eval(funcs, vars)