parser: Variable assignment allocates their own node

This commit makes variable assignment parser to allocate memory for the
node. It also moves the node initialization to the ast.c to follow our
standard for node initialization.

Signed-off-by: Carlos Maniero <carlos@maniero.me>

1 files changed, 14 insertions, 0 deletions

diff --git a/src/ast.c b/src/ast.c
index d83e5e6..8a86890 100644
--- a/src/ast.c
+++ b/src/ast.c
@@ -136,6 +136,20 @@ ast_node_init_variable_declaration(ast_node_t *node, string_view_t variable_name
 }
 
 void
+ast_node_init_variable_assignment(ast_node_t *node, ast_identifier_t *identifier, ast_node_t *expression)
+{
+  *node = (ast_node_t){
+    .kind = AST_VARIABLE_ASSIGNMENT,
+    .data = {
+      .variable_assignment = {
+        .identifier = identifier,
+        .expression = expression,
+      },
+    },
+  };
+}
+
+void
 ast_node_init_variable(ast_node_t *node, ast_identifier_t *identifier)
 {
   *node = (ast_node_t){