WIP name gather, add fields for struct nodes.

# Conflicts:
#	src/name_analysis/gather.rs

src/name_analysis/gather.rs

@@ -228,6 +228,9 @@ fn gather_node(
         AstNodeRef::IfElse(_) => {}
         AstNodeRef::WhileStatement(_) => {}
         AstNodeRef::ForStatement(_) => {}
+        AstNodeRef::LValue(_) => {},
+        AstNodeRef::LValueSuffix(_) => {},
+        AstNodeRef::VariableUse(_) => {},
         AstNodeRef::Expression(_) => {}
         AstNodeRef::TernaryExpression(_) => {}
         AstNodeRef::TernaryRhs(_) => {}

src/parser/ast.yaml

@@ -628,12 +628,8 @@ VariableDeclaration:
 AssignmentStatement:
   struct:
     children:
-      - left:
+      - l_value
-          member:
+      - expression
-            rule: Expression
-      - right:
-          member:
-            rule: Expression
 ExpressionStatement:
   struct:
     children:
@@ -715,6 +711,26 @@ ForStatement:
           skip:
             rule: End
 
+# LValue
+LValue:
+  struct:
+    children:
+      - variable_use
+      - suffixes:
+          vec:
+            rule: LValueSuffix
+LValueSuffix:
+  tree_enum:
+    rules:
+      - ObjectProperty
+      - ObjectIndex
+
+# VariableUse
+VariableUse:
+  struct:
+    children:
+      - identifier
+
 # Expressions
 Expression:
   polymorphic_type:
@@ -749,6 +765,9 @@ Expression:
       - Literal:
           inner:
             kind: Literal
+      - VariableUse:
+          inner:
+            kind: VariableUse
       - Fqn:
           inner:
             kind: FullyQualifiedName
@@ -1091,6 +1110,9 @@ PrimaryExpression:
       - Literal:
           inner:
             kind: Literal
+      - VariableUse:
+          inner:
+            kind: VariableUse
       - Fqn:
           inner:
             kind: FullyQualifiedName

src/parser/deimos.pest

@@ -542,7 +542,7 @@ VariableDeclaration = {
 }
 
 AssignmentStatement = {
-      Expression
+      LValue
     ~ "="
     ~ Expression
 }
@@ -593,6 +593,24 @@ ForStatement = {
     ~ End
 }
 
+// LValue
+
+LValue = {
+      VariableUse
+    ~ LValueSuffix*
+}
+
+LValueSuffix = {
+      ObjectProperty
+    | ObjectIndex
+}
+
+// Variable Use
+
+VariableUse = {
+      Identifier
+}
+
 // Expressions
 
 Expression = {
@@ -741,6 +759,7 @@ ObjectIndex = {
 
 PrimaryExpression = {
       Literal
+    | VariableUse
     | FullyQualifiedName
     | Closure
     | ListExpression