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-rw-r--r--libs/tgl/tl-parser/src/tl-parser-tree.h178
1 files changed, 178 insertions, 0 deletions
diff --git a/libs/tgl/tl-parser/src/tl-parser-tree.h b/libs/tgl/tl-parser/src/tl-parser-tree.h
new file mode 100644
index 0000000000..fba7c67521
--- /dev/null
+++ b/libs/tgl/tl-parser/src/tl-parser-tree.h
@@ -0,0 +1,178 @@
+/*
+ This file is part of tgl-library
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Copyright Vitaly Valtman 2013-2014
+*/
+#ifndef __TREE_H__
+#define __TREE_H__
+#include <stdio.h>
+
+#include <memory.h>
+#include <assert.h>
+
+#pragma pack(push,4)
+#define DEFINE_TREE(X_NAME, X_TYPE, X_CMP, X_UNSET) \
+struct tree_ ## X_NAME { \
+ struct tree_ ## X_NAME *left, *right;\
+ X_TYPE x;\
+ int y;\
+};\
+\
+static struct tree_ ## X_NAME *new_tree_node_ ## X_NAME (X_TYPE x, int y) {\
+ struct tree_ ## X_NAME *T = malloc (sizeof (*T));\
+ T->x = x;\
+ T->y = y;\
+ T->left = T->right = 0;\
+ return T;\
+}\
+\
+static void delete_tree_node_ ## X_NAME (struct tree_ ## X_NAME *T) {\
+ free (T);\
+}\
+\
+static void tree_split_ ## X_NAME (struct tree_ ## X_NAME *T, X_TYPE x, struct tree_ ## X_NAME **L, struct tree_ ## X_NAME **R) {\
+ if (!T) {\
+ *L = *R = 0;\
+ } else {\
+ int c = X_CMP (x, T->x);\
+ if (c < 0) {\
+ tree_split_ ## X_NAME (T->left, x, L, &T->left);\
+ *R = T;\
+ } else {\
+ tree_split_ ## X_NAME (T->right, x, &T->right, R);\
+ *L = T;\
+ }\
+ }\
+}\
+\
+static struct tree_ ## X_NAME *tree_insert_ ## X_NAME (struct tree_ ## X_NAME *T, X_TYPE x, int y) __attribute__ ((warn_unused_result,unused));\
+static struct tree_ ## X_NAME *tree_insert_ ## X_NAME (struct tree_ ## X_NAME *T, X_TYPE x, int y) {\
+ if (!T) {\
+ return new_tree_node_ ## X_NAME (x, y);\
+ } else {\
+ if (y > T->y) {\
+ struct tree_ ## X_NAME *N = new_tree_node_ ## X_NAME (x, y);\
+ tree_split_ ## X_NAME (T, x, &N->left, &N->right);\
+ return N;\
+ } else {\
+ int c = X_CMP (x, T->x);\
+ assert (c);\
+ if (c < 0) { \
+ T->left = tree_insert_ ## X_NAME (T->left, x, y);\
+ } else { \
+ T->right = tree_insert_ ## X_NAME (T->right, x, y);\
+ } \
+ return T; \
+ }\
+ }\
+}\
+\
+static struct tree_ ## X_NAME *tree_merge_ ## X_NAME (struct tree_ ## X_NAME *L, struct tree_ ## X_NAME *R) {\
+ if (!L || !R) {\
+ return L ? L : R;\
+ } else {\
+ if (L->y > R->y) {\
+ L->right = tree_merge_ ## X_NAME (L->right, R);\
+ return L;\
+ } else {\
+ R->left = tree_merge_ ## X_NAME (L, R->left);\
+ return R;\
+ }\
+ }\
+}\
+\
+static struct tree_ ## X_NAME *tree_delete_ ## X_NAME (struct tree_ ## X_NAME *T, X_TYPE x) __attribute__ ((warn_unused_result,unused));\
+static struct tree_ ## X_NAME *tree_delete_ ## X_NAME (struct tree_ ## X_NAME *T, X_TYPE x) {\
+ assert (T);\
+ int c = X_CMP (x, T->x);\
+ if (!c) {\
+ struct tree_ ## X_NAME *N = tree_merge_ ## X_NAME (T->left, T->right);\
+ delete_tree_node_ ## X_NAME (T);\
+ return N;\
+ } else {\
+ if (c < 0) { \
+ T->left = tree_delete_ ## X_NAME (T->left, x); \
+ } else { \
+ T->right = tree_delete_ ## X_NAME (T->right, x); \
+ } \
+ return T; \
+ }\
+}\
+\
+static X_TYPE tree_get_min_ ## X_NAME (struct tree_ ## X_NAME *t) __attribute__ ((unused));\
+static X_TYPE tree_get_min_ ## X_NAME (struct tree_ ## X_NAME *T) {\
+ if (!T) { return X_UNSET; } \
+ while (T->left) { T = T->left; }\
+ return T->x; \
+} \
+\
+static X_TYPE tree_lookup_ ## X_NAME (struct tree_ ## X_NAME *T, X_TYPE x) __attribute__ ((unused));\
+static X_TYPE tree_lookup_ ## X_NAME (struct tree_ ## X_NAME *T, X_TYPE x) {\
+ int c;\
+ while (T && (c = X_CMP (x, T->x))) {\
+ T = (c < 0 ? T->left : T->right);\
+ }\
+ return T ? T->x : X_UNSET;\
+}\
+\
+static void tree_act_ ## X_NAME (struct tree_ ## X_NAME *T, void (*act)(X_TYPE)) __attribute__ ((unused));\
+static void tree_act_ ## X_NAME (struct tree_ ## X_NAME *T, void (*act)(X_TYPE)) {\
+ if (!T) { return; } \
+ tree_act_ ## X_NAME (T->left, act); \
+ act (T->x); \
+ tree_act_ ## X_NAME (T->right, act); \
+}\
+\
+static void tree_act_ex_ ## X_NAME (struct tree_ ## X_NAME *T, void (*act)(X_TYPE, void *), void *extra) __attribute__ ((unused));\
+static void tree_act_ex_ ## X_NAME (struct tree_ ## X_NAME *T, void (*act)(X_TYPE, void *), void *extra) {\
+ if (!T) { return; } \
+ tree_act_ex_ ## X_NAME (T->left, act, extra); \
+ act (T->x, extra); \
+ tree_act_ex_ ## X_NAME (T->right, act, extra); \
+}\
+\
+static int tree_count_ ## X_NAME (struct tree_ ## X_NAME *T) __attribute__ ((unused));\
+static int tree_count_ ## X_NAME (struct tree_ ## X_NAME *T) { \
+ if (!T) { return 0; }\
+ return 1 + tree_count_ ## X_NAME (T->left) + tree_count_ ## X_NAME (T->right); \
+}\
+static void tree_check_ ## X_NAME (struct tree_ ## X_NAME *T) __attribute__ ((unused));\
+static void tree_check_ ## X_NAME (struct tree_ ## X_NAME *T) { \
+ if (!T) { return; }\
+ if (T->left) { \
+ assert (T->left->y <= T->y);\
+ assert (X_CMP (T->left->x, T->x) < 0); \
+ }\
+ if (T->right) { \
+ assert (T->right->y <= T->y);\
+ assert (X_CMP (T->right->x, T->x) > 0); \
+ }\
+ tree_check_ ## X_NAME (T->left); \
+ tree_check_ ## X_NAME (T->right); \
+}\
+static struct tree_ ## X_NAME *tree_clear_ ## X_NAME (struct tree_ ## X_NAME *T) __attribute__ ((unused));\
+static struct tree_ ## X_NAME *tree_clear_ ## X_NAME (struct tree_ ## X_NAME *T) { \
+ if (!T) { return 0; }\
+ tree_clear_ ## X_NAME (T->left); \
+ tree_clear_ ## X_NAME (T->right); \
+ delete_tree_node_ ## X_NAME (T); \
+ return 0; \
+} \
+
+#define int_cmp(a,b) ((a) - (b))
+#pragma pack(pop)
+#endif