From 369dbcd21fc06131f39a97f45b432c92dde3ba2c Mon Sep 17 00:00:00 2001
From: "Sven M. Hallberg" <pesco@khjk.org>
Date: Sat, 11 May 2013 15:10:31 +0200
Subject: [PATCH] actually, just cast off the const inside h_compile

---
 src/benchmark.c | 4 ++--
 src/compile.c   | 7 ++++---
 src/hammer.h    | 4 ++--
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/benchmark.c b/src/benchmark.c
index 8bfddefa..41d9164f 100644
--- a/src/benchmark.c
+++ b/src/benchmark.c
@@ -21,11 +21,11 @@
 
 */
 
-HBenchmarkResults *h_benchmark(HParser* parser, HParserTestcase* testcases) {
+HBenchmarkResults *h_benchmark(const HParser* parser, HParserTestcase* testcases) {
   return h_benchmark__m(&system_allocator, parser, testcases);
 }
 
-HBenchmarkResults *h_benchmark__m(HAllocator* mm__, HParser* parser, HParserTestcase* testcases) {
+HBenchmarkResults *h_benchmark__m(HAllocator* mm__, const HParser* parser, HParserTestcase* testcases) {
   // For now, just output the results to stderr
   HParserTestcase* tc = testcases;
   HParserBackend backend = PB_MIN;
diff --git a/src/compile.c b/src/compile.c
index 4673b641..305db3e9 100644
--- a/src/compile.c
+++ b/src/compile.c
@@ -7,10 +7,11 @@ static HParserBackendVTable *backends[PB_MAX] = {
   &h__ll_backend_vtable,
 };
 
-int h_compile(HParser* parser, HParserBackend backend, const void* params) {
+int h_compile(const HParser* parser, HParserBackend backend, const void* params) {
   return h_compile__m(&system_allocator, parser, backend, params);
 }
 
-int h_compile__m(HAllocator* mm__, HParser* parser, HParserBackend backend, const void* params) {
-  return backends[backend]->compile(mm__, parser, params);
+int h_compile__m(HAllocator* mm__, const HParser* parser, HParserBackend backend, const void* params) {
+  // be naughty and cast off the const
+  return backends[backend]->compile(mm__, (HParser *)parser, params);
 }
diff --git a/src/hammer.h b/src/hammer.h
index 0138c98a..e75a41fd 100644
--- a/src/hammer.h
+++ b/src/hammer.h
@@ -565,7 +565,7 @@ HAMMER_FN_DECL(void, h_pprint, FILE* stream, const HParsedToken* tok, int indent
  *
  * Returns -1 if grammar cannot be compiled with the specified options; 0 otherwise.
  */
-HAMMER_FN_DECL(int, h_compile, HParser* parser, HParserBackend backend, const void* params);
+HAMMER_FN_DECL(int, h_compile, const HParser* parser, HParserBackend backend, const void* params);
 
 /**
  * TODO: Document me
@@ -590,7 +590,7 @@ const uint8_t* h_bit_writer_get_buffer(HBitWriter* w, size_t *len);
 void h_bit_writer_free(HBitWriter* w);
 
 // {{{ Benchmark functions
-HAMMER_FN_DECL(HBenchmarkResults *, h_benchmark, HParser* parser, HParserTestcase* testcases);
+HAMMER_FN_DECL(HBenchmarkResults *, h_benchmark, const HParser* parser, HParserTestcase* testcases);
 void h_benchmark_report(FILE* stream, HBenchmarkResults* results);
 void h_benchmark_dump_optimized_code(FILE* stream, HBenchmarkResults* results);
 // }}}
-- 
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