From 8e87b3ff6299610d7dc1d93d4026773193e373b0 Mon Sep 17 00:00:00 2001
From: mohammed <molaryyios@gmail.com>
Date: Sat, 16 Mar 2024 17:22:43 +0100
Subject: [PATCH] add: logger + error handling let variables

---
 .idea/discord.xml                             |  7 +++
 .idea/leango.iml                              |  4 ++
 .idea/vcs.xml                                 |  6 ++
 .idea/workspace.xml                           | 62 ++++++++++++-------
 Logger/logger.go                              | 17 +++++
 Token/handler.go                              | 39 ++++++++----
 Variable/variable.go                          |  8 +--
 examples/foo.leango                           |  2 +-
 .../errors/no_value_after_equal_sing.leango   |  1 +
 .../let/errors/same_name_variables.leango     |  2 +
 go.mod                                        |  5 ++
 go.sum                                        | 12 ++++
 main.go                                       |  4 ++
 13 files changed, 130 insertions(+), 39 deletions(-)
 create mode 100644 .idea/discord.xml
 create mode 100644 .idea/leango.iml
 create mode 100644 .idea/vcs.xml
 create mode 100644 Logger/logger.go
 create mode 100644 examples/let/errors/no_value_after_equal_sing.leango
 create mode 100644 examples/let/errors/same_name_variables.leango
 create mode 100644 go.sum

diff --git a/.idea/discord.xml b/.idea/discord.xml
new file mode 100644
index 0000000..30bab2a
--- /dev/null
+++ b/.idea/discord.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DiscordProjectSettings">
+    <option name="show" value="ASK" />
+    <option name="description" value="" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/leango.iml b/.idea/leango.iml
new file mode 100644
index 0000000..7ee078d
--- /dev/null
+++ b/.idea/leango.iml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module version="4">
+  <component name="Go" enabled="true" />
+</module>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 3728beb..79763dd 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,7 +4,15 @@
     <option name="autoReloadType" value="ALL" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="e60d2568-f4e9-4fa5-ab4b-2d3fb9b7ec06" name="Changes" comment="" />
+    <list default="true" id="e60d2568-f4e9-4fa5-ab4b-2d3fb9b7ec06" name="Changes" comment="">
+      <change afterPath="$PROJECT_DIR$/Logger/logger.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/Token/handler.go" beforeDir="false" afterPath="$PROJECT_DIR$/Token/handler.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/Variable/variable.go" beforeDir="false" afterPath="$PROJECT_DIR$/Variable/variable.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/examples/foo.leango" beforeDir="false" afterPath="$PROJECT_DIR$/examples/foo.leango" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/go.mod" beforeDir="false" afterPath="$PROJECT_DIR$/go.mod" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/main.go" beforeDir="false" afterPath="$PROJECT_DIR$/main.go" afterDir="false" />
+    </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@@ -18,32 +26,44 @@
     </option>
   </component>
   <component name="GOROOT" url="file:///opt/homebrew/opt/go/libexec" />
-  <component name="ProjectColorInfo"><![CDATA[{
-  "associatedIndex": 7
-}]]></component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+  <component name="ProjectColorInfo">{
+  &quot;associatedIndex&quot;: 7
+}</component>
   <component name="ProjectId" id="2djFf0xeKISqJbGAwmKu3kXAROg" />
+  <component name="ProjectLevelVcsManager">
+    <ConfirmationsSetting value="2" id="Add" />
+  </component>
   <component name="ProjectViewState">
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent"><![CDATA[{
-  "keyToString": {
-    "DefaultGoTemplateProperty": "Go File",
-    "RunOnceActivity.OpenProjectViewOnStart": "true",
-    "RunOnceActivity.ShowReadmeOnStart": "true",
-    "RunOnceActivity.go.formatter.settings.were.checked": "true",
-    "RunOnceActivity.go.migrated.go.modules.settings": "true",
-    "RunOnceActivity.go.modules.go.list.on.any.changes.was.set": "true",
-    "go.import.settings.migrated": "true",
-    "go.sdk.automatically.set": "true",
-    "last_opened_file_path": "/Users/mohammed/Me/projects/leango",
-    "node.js.detected.package.eslint": "true",
-    "node.js.selected.package.eslint": "(autodetect)",
-    "nodejs_package_manager_path": "npm"
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;DefaultGoTemplateProperty&quot;: &quot;Go File&quot;,
+    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.go.formatter.settings.were.checked&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.go.migrated.go.modules.settings&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.go.modules.automatic.dependencies.download&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.go.modules.go.list.on.any.changes.was.set&quot;: &quot;true&quot;,
+    &quot;git-widget-placeholder&quot;: &quot;master&quot;,
+    &quot;go.import.settings.migrated&quot;: &quot;true&quot;,
+    &quot;go.sdk.automatically.set&quot;: &quot;true&quot;,
+    &quot;last_opened_file_path&quot;: &quot;/Users/mohammed/Me/projects/leango&quot;,
+    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;
   }
-}]]></component>
+}</component>
   <component name="RecentsManager">
     <key name="MoveFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/examples/let/errors" />
       <recent name="$PROJECT_DIR$/Variable" />
     </key>
   </component>
@@ -52,7 +72,7 @@
       <module name="leango" />
       <working_directory value="$PROJECT_DIR$" />
       <go_parameters value="-i" />
-      <kind />
+      <kind value="FILE" />
       <directory value="$PROJECT_DIR$" />
       <filePath value="$PROJECT_DIR$" />
       <method v="2" />
@@ -61,7 +81,7 @@
       <module name="leango" />
       <working_directory value="$PROJECT_DIR$" />
       <go_parameters value="-i" />
-      <kind />
+      <kind value="DIRECTORY" />
       <directory value="$PROJECT_DIR$" />
       <filePath value="$PROJECT_DIR$" />
       <framework value="gotest" />
diff --git a/Logger/logger.go b/Logger/logger.go
new file mode 100644
index 0000000..fbcdc34
--- /dev/null
+++ b/Logger/logger.go
@@ -0,0 +1,17 @@
+package Logger
+
+import (
+	log "github.com/sirupsen/logrus"
+)
+
+func Fatal(nbLine int, mes string) {
+	log.WithFields(log.Fields{
+		"line": nbLine,
+	}).Fatal(mes)
+}
+
+func Info(nbLine int, mes string) {
+	log.WithFields(log.Fields{
+		"line": nbLine,
+	}).Fatal(mes)
+}
diff --git a/Token/handler.go b/Token/handler.go
index dbde206..5236d29 100644
--- a/Token/handler.go
+++ b/Token/handler.go
@@ -2,13 +2,14 @@ package Token
 
 import (
 	"fmt"
+	"leango/Logger"
 	"leango/Variable"
 	"slices"
+	"strconv"
 )
 
 var availableTokens = []string{"let", "const", "lean"}
-var availableMutableVariables = make(map[string]Variable.Variable)
-var availableNonMutableVariables = make(map[string]Variable.Variable)
+var availableVariables = make(map[string]Variable.Variable)
 
 func TokenHandler() map[string]func([]string, int) {
 	var TokenMapFunction = make(map[string]func([]string, int))
@@ -19,20 +20,32 @@ func TokenHandler() map[string]func([]string, int) {
 	return TokenMapFunction
 }
 
-func isLet(rows []string, line int) {
-	index := slices.Index(rows, "=")
+func isLet(rows []string, nbLine int) {
+	indexEqualSign := slices.Index(rows, "=")
+	lenRows := len(rows)
+	var tokenValue []string
 
-	if len(rows) == 1 {
-		panic(fmt.Sprintf("Nothing found after the declaration of let at line %d", line))
+	if lenRows < 2 {
+		Logger.Fatal(nbLine, "Nothing found after the declaration of let")
 	}
-
-	if index == -1 {
-		panic(fmt.Sprintf("A value was not set for %s", rows[1]))
+	fmt.Println(indexEqualSign)
+	if indexEqualSign == 2 && lenRows == 3 {
+		Logger.Fatal(nbLine, fmt.Sprintf("A value was not set for %s", rows[1]))
+	}
+	if _, varNameExists := availableVariables[rows[1]]; varNameExists {
+		Logger.Fatal(nbLine, fmt.Sprintf("A variable aleady exists with the same name %s: line %d", rows[1], nbLine))
+	}
+	if indexEqualSign == 2 {
+		tokenValue = rows[indexEqualSign+1:]
+
+		if intValue, err := strconv.Atoi(tokenValue[0]); err == nil {
+			availableVariables[rows[1]] = Variable.Variable{IsNumeric: true, Value: intValue}
+		} else {
+			availableVariables[rows[1]] = Variable.Variable{IsNumeric: true, Value: intValue}
+		}
+	} else {
+		availableVariables[rows[1]] = Variable.Variable{Value: nil}
 	}
-
-	value := rows[index+1:]
-	fmt.Println(value)
-	fmt.Println("Is a let variable and the value is = ")
 }
 
 func isConst(rows []string, line int) {
diff --git a/Variable/variable.go b/Variable/variable.go
index 519d407..b8dbe09 100644
--- a/Variable/variable.go
+++ b/Variable/variable.go
@@ -1,8 +1,8 @@
 package Variable
 
 type Variable struct {
-	isNumeric bool
-	isString  bool
-	isArray   bool
-	value     any
+	IsNumeric bool
+	IsString  bool
+	IsMutable bool
+	Value     any
 }
diff --git a/examples/foo.leango b/examples/foo.leango
index d887a70..22df79e 100644
--- a/examples/foo.leango
+++ b/examples/foo.leango
@@ -1,4 +1,4 @@
-let foo = 1
+let foo
 let bar = foo + 1
 const john = 90
 
diff --git a/examples/let/errors/no_value_after_equal_sing.leango b/examples/let/errors/no_value_after_equal_sing.leango
new file mode 100644
index 0000000..7a708b4
--- /dev/null
+++ b/examples/let/errors/no_value_after_equal_sing.leango
@@ -0,0 +1 @@
+let foo =
\ No newline at end of file
diff --git a/examples/let/errors/same_name_variables.leango b/examples/let/errors/same_name_variables.leango
new file mode 100644
index 0000000..1be01e5
--- /dev/null
+++ b/examples/let/errors/same_name_variables.leango
@@ -0,0 +1,2 @@
+let foo
+let foo
diff --git a/go.mod b/go.mod
index 7b87b1a..e045189 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,8 @@
 module leango
 
 go 1.22.0
+
+require (
+	github.com/sirupsen/logrus v1.9.3 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..11b6d08
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,12 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
+github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/main.go b/main.go
index 737c206..715baa2 100644
--- a/main.go
+++ b/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	logger "github.com/sirupsen/logrus"
 	"leango/Token"
 	"log"
 	"os"
@@ -42,5 +43,8 @@ func main() {
 	if len(os.Args) != 2 {
 		log.Default().Fatal("Not enough arguments\n./leango [filepath]")
 	}
+	if !(strings.HasSuffix(os.Args[1], ".leango")) {
+		logger.WithFields(logger.Fields{}).Fatal(fmt.Sprintf("Incorrect file extension [%s]", os.Args[1]))
+	}
 	parseFile(os.Args[1])
 }