[PATCH olang v2 1/2] ast: add function call node

[Johnny Richard <johnny@johnnyrichard.com>]

Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
---
 src/ast.c     | 18 ++++++++++++++++++
 src/ast.h     | 12 ++++++++++++
 src/checker.c |  1 +
 3 files changed, 31 insertions(+)

diff --git a/src/ast.c b/src/ast.c
index dc2e019..db18426 100644
--- a/src/ast.c
+++ b/src/ast.c
@@ -60,6 +60,24 @@ ast_new_node_fn_def(arena_t *arena, string_view_t id, list_t *params, string_vie
     return node_fn_def;
 }
 
+ast_node_t *
+ast_new_node_fn_call(arena_t *arena, string_view_t id, list_t *args)
+{
+    assert(arena);
+    assert(args);
+
+    ast_node_t *node_fn_call = (ast_node_t *)arena_alloc(arena, sizeof(ast_node_t));
+    assert(node_fn_call);
+
+    node_fn_call->kind = AST_NODE_FN_CALL;
+    ast_fn_call_t *fn_call = &node_fn_call->as_fn_call;
+
+    fn_call->id = id;
+    fn_call->args = args;
+
+    return node_fn_call;
+}
+
 ast_node_t *
 ast_new_node_var_def(arena_t *arena, string_view_t id, string_view_t type, ast_node_t *value)
 {
diff --git a/src/ast.h b/src/ast.h
index 7ba431f..66c626d 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -32,6 +32,7 @@ typedef enum
     AST_NODE_TRANSLATION_UNIT,
     AST_NODE_BLOCK,
     AST_NODE_FN_DEF,
+    AST_NODE_FN_CALL,
     AST_NODE_VAR_DEF,
     AST_NODE_BINARY_OP,
     AST_NODE_RETURN_STMT,
@@ -66,6 +67,13 @@ typedef struct ast_fn_definition
     scope_t *scope;
 } ast_fn_definition_t;
 
+typedef struct ast_fn_call
+{
+    string_view_t id;
+    list_t *args;
+    scope_t *scope;
+} ast_fn_call_t;
+
 typedef struct ast_var_definition
 {
     string_view_t id;
@@ -142,6 +150,7 @@ typedef struct ast_node
     {
         ast_translation_unit_t as_translation_unit;
         ast_fn_definition_t as_fn_def;
+        ast_fn_call_t as_fn_call;
         ast_var_definition_t as_var_def;
         ast_binary_op_t as_bin_op;
         ast_literal_t as_literal;
@@ -158,6 +167,9 @@ ast_new_translation_unit(arena_t *arena);
 ast_node_t *
 ast_new_node_fn_def(arena_t *arena, string_view_t id, list_t *params, string_view_t return_type, ast_node_t *block);
 
+ast_node_t *
+ast_new_node_fn_call(arena_t *arena, string_view_t id, list_t *args);
+
 ast_node_t *
 ast_new_node_var_def(arena_t *arena, string_view_t id, string_view_t type, ast_node_t *value);
 
diff --git a/src/checker.c b/src/checker.c
index 814d052..fd5bda7 100644
--- a/src/checker.c
+++ b/src/checker.c
@@ -127,6 +127,7 @@ populate_scope(checker_t *checker, scope_t *scope, ast_node_t *ast)
 
         case AST_NODE_LITERAL:
         case AST_NODE_UNKNOWN:
+        case AST_NODE_FN_CALL:
             return;
     }
 }
-- 
2.46.0