Functions with single arguments are possible.

2 files changed, 9 insertions, 3 deletions

diff --git a/src/include/parser.h b/src/include/parser.h
index a349992..acf6438 100644
--- a/src/include/parser.h
+++ b/src/include/parser.h
@@ -49,6 +49,12 @@ tree_t* parser_parse_expr(parser_t* parser);
 /* Return the tree for an expression. */
 tree_t* parser_parse_block(parser_t* parser);
 
+/* Return the tree for a call's arguments. */
+tree_t* parser_parse_carg(parser_t* parser);
+
+/* Return the tree for a call. */
+tree_t* parser_parse_call(parser_t* parser);
+
 /* Parse. */
 tree_t* parser_parse(parser_t* parser);
 
diff --git a/src/include/tree.h b/src/include/tree.h
index 3d3bcbd..8954ef8 100644
--- a/src/include/tree.h
+++ b/src/include/tree.h
@@ -12,7 +12,7 @@ typedef enum TREE_TYPE {
       TREE_TYPE_DARG,
       TREE_TYPE_CARG,
       TREE_TYPE_DEF,
-      TREE_TYPE_CAL,
+      TREE_TYPE_CALL,
 } tree_type_t;
 
 /* The Abstract Syntax Tree (AST) structure. */
@@ -74,10 +74,10 @@ typedef struct TREE {
       } def;
 
       /* Calls. */
-      struct TREE_DATA_CAL {
+      struct TREE_DATA_CALL {
          char* target;
          struct TREE* arg; /* CARG */
-      } cal;
+      } call;
 
    } data;
 } tree_t;