1 files changed, 83 insertions, 0 deletions
diff --git a/c/libdietc.h b/c/libdietc.h
new file mode 100644
index 0000000..14b7ad2
--- /dev/null
+++ b/c/libdietc.h
@@ -0,0 +1,83 @@
+#pragma once
+
+static char *strchrnul(char *s, char c) {
+    while (*s && *s != c) s++;
+    return s;
+}
+
+enum TYPE {
+    TYPE_BASIC,
+    TYPE_POINTER,
+    TYPE_ARRAY,
+    TYPE_STRUCT,
+    TYPE_UNION,
+    TYPE_FUNCTION,
+};
+
+struct type {
+    char *typedef_line;
+    enum TYPE kind;
+    unsigned long id;
+
+    // basic type
+    char *basic;
+
+    // pointer & array types
+    struct type *base;
+    unsigned long length;
+
+    // struct & union types
+    struct type *members;
+    struct type *next_member;
+    char *field_name;
+
+    // function types
+    struct type *return_type;
+    struct type *params;
+    struct type *next_param;
+    unsigned long is_variadic;
+};
+
+struct instruction {
+    char *line;
+    struct instruction *next;
+};
+
+struct function {
+    char *start_line;
+    struct type *type;
+    struct instruction *instructions;
+    struct function *next;
+};
+
+struct object {
+    char *name;
+    struct type *type;
+};
+
+struct program {
+    char *original;
+
+    // all lines before the function definitions
+    char *preamble;
+
+    // id -> type table
+    struct type **id2type;
+    unsigned long n_types;
+
+    // hash map of objects
+    struct object **objects;
+    unsigned long cap_objects;
+    unsigned long n_objects;
+
+    struct function *functions;
+};
+
+struct identifiers {
+    char *token;
+    struct identifier *next;
+};
+
+char *libdietc_tokdup(char *tok);
+struct program libdietc_parse(char *filename);
+void libdietc_print(struct program program);