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Some compiler cleanup and minor memory leak fixes.

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This patch cleans up some unneeded code. Releases some allocated
memory before the compiler quits and fixes a couple minor memory
leaks in the compiler and vvp code generator.
This commit is contained in:
Cary R
2009-06-23 09:14:03 -07:00
committed by Stephen Williams
parent 5a30355faf
commit 75d71fe312
15 changed files with 126 additions and 42 deletions
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StringHeap.cc
+28 -2
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2002-2004 Stephen Williams ([email protected])
* Copyright (c) 2002-2009 Stephen Williams ([email protected])
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
@@ -25,6 +25,11 @@
# include <string.h>
# include <assert.h>
#ifdef CHECK_WITH_VALGRIND
static char **string_pool = NULL;
static unsigned string_pool_count = 0;
#endif
StringHeap::StringHeap()
{
cell_base_ = 0;
@@ -46,6 +51,12 @@ const char* StringHeap::add(const char*text)
unsigned rem = HEAPCELL - cell_ptr_;
if (rem < (len+1)) {
cell_base_ = (char*)malloc(HEAPCELL);
#ifdef CHECK_WITH_VALGRIND
string_pool_count += 1;
string_pool = (char **) realloc(string_pool,
string_pool_count*sizeof(char **));
string_pool[string_pool_count-1] = cell_base_;
#endif
cell_ptr_ = 0;
cell_count_ += 1;
assert(cell_base_ != 0);
@@ -80,6 +91,22 @@ StringHeapLex::~StringHeapLex()
{
}
void StringHeapLex::cleanup()
{
#ifdef CHECK_WITH_VALGRIND
for (unsigned idx = 0 ; idx < string_pool_count ; idx += 1) {
free(string_pool[idx]);
}
free(string_pool);
string_pool = NULL;
string_pool_count = 0;
for (unsigned idx = 0 ; idx < HASH_SIZE ; idx += 1) {
hash_table_[idx] = 0;
}
#endif
}
unsigned StringHeapLex::add_hit_count() const
{
return hit_count_;
@@ -175,4 +202,3 @@ bool operator < (perm_string a, perm_string b)
return false;
}