From 1325ebcdd1735a379baedd66eeb116cb5fde49e9 Mon Sep 17 00:00:00 2001
From: "Sven M. Hallberg" <pesco@khjk.org>
Date: Wed, 17 Apr 2013 15:10:33 +0200
Subject: [PATCH] add LL backend stub
---
src/Makefile | 3 ++-
src/backends/ll.c | 17 +++++++++++++++++
src/compile.c | 1 +
src/hammer.h | 1 +
src/internal.h | 1 +
5 files changed, 22 insertions(+), 1 deletion(-)
create mode 100644 src/backends/ll.c
diff --git a/src/Makefile b/src/Makefile
index 84970c92..070e7a81 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -26,7 +26,8 @@ PARSERS := \
indirect
BACKENDS := \
- packrat
+ packrat \
+ ll
HAMMER_PARTS := \
bitreader.o \
diff --git a/src/backends/ll.c b/src/backends/ll.c
new file mode 100644
index 00000000..cc5369cf
--- /dev/null
+++ b/src/backends/ll.c
@@ -0,0 +1,17 @@
+#include <assert.h>
+#include "../internal.h"
+#include "../parsers/parser_internal.h"
+
+
+int h_ll_compile(HAllocator* mm__, const HParser* parser, const void* params) {
+ return -1; // TODO
+}
+
+HParseResult *h_ll_parse(HAllocator* mm__, const HParser* parser, HParseState* parse_state) {
+ return NULL; // TODO
+}
+
+HParserBackendVTable h__ll_backend_vtable = {
+ .compile = h_ll_compile,
+ .parse = h_ll_parse
+};
diff --git a/src/compile.c b/src/compile.c
index e151cfb8..8f2286a3 100644
--- a/src/compile.c
+++ b/src/compile.c
@@ -4,6 +4,7 @@
static HParserBackendVTable *backends[PB_MAX] = {
&h__packrat_backend_vtable,
+ &h__ll_backend_vtable,
};
int h_compile(const HParser* parser, HParserBackend backend, const void* params) {
diff --git a/src/hammer.h b/src/hammer.h
index ca973ac7..e75a41fd 100644
--- a/src/hammer.h
+++ b/src/hammer.h
@@ -34,6 +34,7 @@ typedef struct HParseState_ HParseState;
typedef enum HParserBackend_ {
PB_MIN = 0,
PB_PACKRAT = PB_MIN, // PB_MIN is always the default.
+ PB_LL,
PB_MAX
} HParserBackend;
diff --git a/src/internal.h b/src/internal.h
index 6245efad..29ba52a8 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -215,6 +215,7 @@ struct HBitWriter_ {
// Backends {{{
extern HParserBackendVTable h__packrat_backend_vtable;
+extern HParserBackendVTable h__ll_backend_vtable;
// }}}
// TODO(thequux): Set symbol visibility for these functions so that they aren't exported.
--
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