feat: variables and shi

1 files changed, 19 insertions, 0 deletions

diff --git a/ast.h b/ast.h
index 39924b6..d17eaef 100644
--- a/ast.h
+++ b/ast.h
@@ -1,5 +1,11 @@
 #pragma once
 
+#include <stdbool.h>
+#include <stddef.h>
+
+// names longer than this are refused, nobody needs a longer name
+#define NAME_LENGTH_MAX 15
+
 enum NodeKind
 {
     NODE_CHAR,
@@ -19,32 +25,45 @@ enum NodeKind
     VALUE_TUPLE_SIZE,
     VALUE_INTEGRAL_CONSTANT,
     VALUE_CONDITIONAL,
+    VALUE_VARIABLE,
     COND_TRUE,
     COND_FALSE,
     COND_IS_SAME,
     COND_EQUAL,
     COND_LESS,
+    STMT_DECLARE,
     STMT_EMIT,
     STMT_STATIC_ASSERT
 };
 
+struct Name
+{
+    char text[NAME_LENGTH_MAX + 1];
+    size_t length;
+};
+
 struct Node
 {
     enum NodeKind kind;
     int line;
     char character;
+    char name[NAME_LENGTH_MAX + 1];
     struct Node* first;
     struct Node* second;
     struct Node* third;
     struct Node* next;
 };
 
+void name_init(struct Name* name);
+bool name_push(struct Name* name, char character);
+
 struct Node* node_leaf(enum NodeKind kind);
 struct Node* node_char(char character);
 struct Node* node_unary(enum NodeKind kind, struct Node* first);
 struct Node* node_binary(enum NodeKind kind, struct Node* first, struct Node* second);
 struct Node* node_ternary(enum NodeKind kind, struct Node* first, struct Node* second,
                           struct Node* third);
+struct Node* node_named(enum NodeKind kind, const struct Name* name, struct Node* first);
 
 struct Node* node_append(struct Node* list, struct Node* node);
 void node_free(struct Node* node);