Create "inline.c", which contains the function "copy_statement()",

used for inlining. Right now the copying is totally broken, since
we don't actually do any symbol replacement, but hey, we'll get there
some day.

Make "inline_function()" call the new copy_statement() function.

1 files changed, 43 insertions, 0 deletions

diff --git a/inline.c b/inline.c
new file mode 100644
index 0000000..7b80f5c
--- /dev/null
+++ b/inline.c
@@ -0,0 +1,43 @@
+/*
+ * Sparse - a semantic source parser.
+ *
+ * Copyright (C) 2003 Transmeta Corp.
+ *
+ *  Licensed under the Open Software License version 1.1
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "lib.h"
+#include "token.h"
+#include "parse.h"
+#include "symbol.h"
+
+#define copy_one_statement(stmt) (stmt)
+#define copy_expression(expr) (expr)
+
+/*
+ * Copy a stateemnt tree from 'src' to 'dst', where both
+ * source and destination are of type STMT_COMPOUND.
+ *
+ * We do this for the tree-level inliner.
+ *
+ * This doesn't do the symbol replacements right, duh.
+ */
+void copy_statement(struct statement *src, struct statement *dst)
+{
+	struct statement *stmt;
+	struct symbol *sym;
+
+	FOR_EACH_PTR(src->syms, sym) {
+		struct symbol *newsym = alloc_symbol(sym->pos, sym->type);
+		newsym->ctype = sym->ctype;
+		newsym->initializer = copy_expression(sym->initializer);
+		add_symbol(&dst->syms, newsym);
+	} END_FOR_EACH_PTR;
+
+	FOR_EACH_PTR(src->stmts, stmt) {
+		add_statement(&dst->stmts, copy_one_statement(stmt));
+	} END_FOR_EACH_PTR;
+}