X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;ds=inline;f=src%2Ftoken.h;h=fcf3f4e49f5b3ced600063831438944539db3cb3;hb=2f5af21b263403997e154658635d6b6e6eaab453;hp=c7ce75147cd127d097ac3ecd51d562236dc93293;hpb=898c6dac30d12d7fe56662d66a8e73c340926d64;p=m6w6%2Fext-psi

diff --git a/src/token.h b/src/token.h
index c7ce751..fcf3f4e 100644
--- a/src/token.h
+++ b/src/token.h
@@ -1,10 +1,48 @@
-#ifndef _PSI_TOKEN_H
-#define _PSI_TOKEN_H
+/*******************************************************************************
+ Copyright (c) 2016, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+     * Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+     * Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#ifndef PSI_TOKEN_H
+#define PSI_TOKEN_H
 
 #include <stddef.h>
 #include <stdarg.h>
 #include <stdint.h>
 #include <assert.h>
+#include <sys/param.h>
+
+static inline size_t psi_align(size_t s, size_t a) {
+	return ((s - 1) | (a - 1)) + 1;
+}
+
+static inline size_t psi_offset_padding(size_t diff, size_t alignment) {
+	if (diff && diff <= psi_align(diff, alignment)) {
+		diff = 0;
+	}
+
+	return diff;
+}
 
 #include "parser_proc.h"
 
@@ -67,6 +105,17 @@ static inline size_t psi_t_size(token_t t)
 	return 0;
 }
 
+static inline const char *psi_t_indent(unsigned level) {
+	static const char indent[] =
+			"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
+	return &indent[32 - MAX(0, MIN(32, level))];
+}
+
+static inline const char *psi_t_indirection(unsigned pointer_level) {
+	static const char indir[] = "********************************";
+	return &indir[32 - MAX(0, MIN(32, pointer_level))];
+}
+
 struct psi_token {
 	token_t type;
 	unsigned size, line, col;