From f726c7b6628b44f55b9047e6423afa588f2ff4d5 Mon Sep 17 00:00:00 2001
From: Leo Tenenbaum <pommicket@gmail.com>
Date: Sun, 27 Oct 2019 01:05:35 -0400
Subject: minor fixes to silence warnings when building release

---
 arr.c      |  2 ++
 blockarr.c |  2 ++
 build.sh   | 14 ++++++++++++--
 cgen.c     |  2 +-
 parse.c    |  4 ++--
 toc.c      |  2 ++
 6 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/arr.c b/arr.c
index c87cf6f..0e67eb3 100644
--- a/arr.c
+++ b/arr.c
@@ -140,6 +140,7 @@ You shouldn't rely on this, though, e.g. by doing
 #define arr_foreach(arr, type, var) for (type *var = arr_len(arr) ? arr : NULL, *var##_foreach_end = arr_last(arr); var; var == var##_foreach_end ? var = NULL : var++)
 #define arr_remove_last(arr) arr_remove_last_((void **)(arr), sizeof **(arr))
 
+#ifdef TOC_DEBUG
 static void arr_test(void) {
 	int *foos = NULL;
 	for (int i = 0; i < 1000; i++) {
@@ -155,3 +156,4 @@ static void arr_test(void) {
 	}
 	arr_clear(&foos);
 }
+#endif
diff --git a/blockarr.c b/blockarr.c
index cc06774..eea2f80 100644
--- a/blockarr.c
+++ b/blockarr.c
@@ -47,6 +47,7 @@ static void block_arr_free(BlockArr *arr) {
 	arr_clear(&arr->blocks);
 }
 
+#ifdef TOC_DEBUG
 static void block_arr_test(void) {
 	BlockArr a;
 	int *ps[100];
@@ -61,3 +62,4 @@ static void block_arr_test(void) {
 	}
 	block_arr_free(&a);
 }
+#endif
diff --git a/build.sh b/build.sh
index 9290a15..865313a 100755
--- a/build.sh
+++ b/build.sh
@@ -1,6 +1,10 @@
 #!/bin/sh
 if [ "$CC" = "" ]; then
-	CC=gcc
+	if [ "$1" = "release" ]; then
+		CC=clang
+	else
+		CC=gcc
+	fi
 fi
 	
 
@@ -21,6 +25,12 @@ fi
 DEBUG_FLAGS="-O0 -g3 $WARNINGS -std=c11 -DTOC_DEBUG"
 RELEASE_FLAGS="-O3 -s -DNDEBUG $WARNINGS -std=c11"
 
-COMMAND="$CC $DEBUG_FLAGS $ADDITIONAL_FLAGS -o toc main.c"
+if [ "$1" = "release" ]; then
+	FLAGS="$RELEASE_FLAGS $ADDITIONAL_FLAGS"
+else
+	FLAGS="$DEBUG_FLAGS $ADDITIONAL_FLAGS"
+fi
+
+COMMAND="$CC $FLAGS -o toc main.c"
 echo $COMMAND
 $COMMAND || exit 1
diff --git a/cgen.c b/cgen.c
index e98224b..ec4c6ab 100644
--- a/cgen.c
+++ b/cgen.c
@@ -564,7 +564,7 @@ static bool cgen_new_slice(CGenerator *g, Type *t, IdentID id, Location where) {
 }
 
 static bool cgen_expr_pre(CGenerator *g, Expression *e) {
-	IdentID id;
+	IdentID id = 0;
 	char ret_name[64];
 	switch (e->kind) {
 	case EXPR_IF:
diff --git a/parse.c b/parse.c
index 652f1bc..9061e12 100644
--- a/parse.c
+++ b/parse.c
@@ -838,7 +838,7 @@ static bool parse_expr(Parser *p, Expression *e, Token *end) {
 	int lowest_precedence = NOT_AN_OP;
 	/* e.g. (5+3) */
 	bool entirely_within_parentheses = token_is_kw(t->token, KW_LPAREN);
-	Token *lowest_precedence_op;
+	Token *lowest_precedence_op = NULL;
 	for (Token *token = t->token; token < end; token++) {
 		if (token->kind == TOKEN_KW) {
 			switch (token->kw) {
@@ -1346,7 +1346,7 @@ static bool parse_decl(Parser *p, Declaration *d, DeclEndKind ends_with, uint16_
 		}
 		d->type = type;
 	}
-	const char *end_str;
+	const char *end_str = NULL;
 	switch (ends_with) {
 	case DECL_END_SEMICOLON: end_str = "';'"; break;
 	case DECL_END_RPAREN_COMMA: end_str = "')' or ','"; break;
diff --git a/toc.c b/toc.c
index b6bc2a2..c25c489 100644
--- a/toc.c
+++ b/toc.c
@@ -27,4 +27,6 @@
 #include "cgen.c"
 #include "decls_cgen.c"
 
+#ifdef TOC_DEBUG
 #include "tests.c"
+#endif
-- 
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