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-rw-r--r--src/include/doer.h36
1 files changed, 31 insertions, 5 deletions
diff --git a/src/include/doer.h b/src/include/doer.h
index 8f51266..afa80dd 100644
--- a/src/include/doer.h
+++ b/src/include/doer.h
@@ -4,8 +4,29 @@
#include "util.h"
#include "tree.h"
+typedef struct TARGET {
+ char* name; // The name of the target (unique).
+ tree_t* tree; // The tree to which the target refers.
+ struct TARGET* nxt; // The next target in the list.
+} target_t;
+
+target_t* target_init(char* name, tree_t* tree);
+/*
+ Destroy a target.
+ - Destroys all subsequent targets.
+ - Frees `name`.
+ - Does not free `tree`.
+ Remember to NULL a parent target's `nxt`.
+*/
+void target_destroy(target_t* target);
+// Print out the target list. Useful for debugging.
+void target_print(target_t* target);
+
typedef struct DOER {
- tree_t* tree;
+ tree_t* tree; // The tree the doer is reading from.
+ target_t* targets; // The targets the doer must remember.
+ target_t* ltarget; // The last target in the list (after which new
+ // targets will be appended.)
} doer_t;
/* Creates a new parser. */
@@ -23,8 +44,13 @@ typedef struct BLINF {
char name[24];
} blinf_t;
-void doer_do_blin_print(doer_t* tree); // Built-in function `print`.
-void doer_do_blin_printl(doer_t* tree); // Built-in function `print`.
+void doer_add_target(doer_t* doer, target_t* target);
+
+// Built-in functions.
+// `print`: print a string.
+void blin_print(doer_t* tree);
+// `printl`: print a string, and add a newline.
+void blin_printl(doer_t* tree);
void doer_do_block(doer_t* tree);
void doer_do_expr(doer_t* tree);
@@ -37,8 +63,8 @@ void doer_do_def(doer_t* tree);
void doer_do_call(doer_t* tree);
const static blinf_t blinfs[] = {
- { doer_do_blin_print, "print" },
- { doer_do_blin_printl, "printl" }
+ { blin_print, "print" },
+ { blin_printl, "printl" }
};
#endif