compiler, vm: use a program wide constant list

Instead of storing constant values per function, maintain a global program
wide list for all constant values within the current compilation unit.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 16 insertions, 0 deletions

diff --git a/program.c b/program.c
index c413f38..5d3a104 100644
--- a/program.c
+++ b/program.c
@@ -15,6 +15,7 @@
  */
 
 #include "ucode/program.h"
+#include "ucode/vallist.h"
 
 
 uc_program_t *
@@ -27,6 +28,8 @@ uc_program_new(void)
 	prog->functions.next = &prog->functions;
 	prog->functions.prev = &prog->functions;
 
+	uc_vallist_init(&prog->constants);
+
 	return prog;
 }
 
@@ -60,6 +63,7 @@ uc_program_free(uc_program_t *prog)
 		ucv_put(&func->header);
 	}
 
+	uc_vallist_free(&prog->constants);
 	free(prog);
 }
 
@@ -101,3 +105,15 @@ uc_program_function_load(uc_program_t *prog, size_t id)
 
 	return NULL;
 }
+
+uc_value_t *
+uc_program_get_constant(uc_program_t *prog, size_t idx)
+{
+	return uc_vallist_get(&prog->constants, idx);
+}
+
+ssize_t
+uc_program_add_constant(uc_program_t *prog, uc_value_t *val)
+{
+	return uc_vallist_add(&prog->constants, val);
+}