src/ccodegen.c@be60c22cddfe
src/ccodegen.c
Fri, 04 Mar 2016 15:02:22 +0100
- author
- Mike Becker <universe@uap-core.de>
- date
- Fri, 04 Mar 2016 15:02:22 +0100
- changeset 36
- be60c22cddfe
- parent 35
- abaf2489c549
- child 39
- ac35daceb24c
- permissions
- -rw-r--r--
fixed possible naming conflicts with is.* functions
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2016 Mike Becker. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
30 #include "ccodegen.h"
31 #include <string.h>
32 #include <ctype.h>
34 const char* ckeywords[] = {
35 "auto", "break", "case", "char", "const", "continue", "default", "do",
36 "double", "else", "enum", "extern", "float", "for", "goto", "if", "int",
37 "long", "register", "return", "short", "signed", "sizeof", "static",
38 "struct", "switch", "typedef", "union", "unsigned", "void", "volatile",
39 "while", NULL
40 };
42 int check_ctype(char *word, size_t len) {
43 return (word[len-2] == '_' && word[len-1] == 't');
44 }
46 int check_cdirective(char *word) {
47 return (word[0] == '#');
48 }
50 #define memcpy_const(darr,doff,str) memcpy(&(darr[doff]), str, sizeof(str)-1); \
51 dp += sizeof(str)-1
53 void cparseline(char *src, char *dest, highlighter_t *hltr) {
55 memset(hltr->word, 0, WORDBUF_SIZE);
56 size_t wp = 0, ifp = 0, sp = 0, dp = 0;
57 int isstring = 0, iscomment = 0, isinclude = 0, parseinclude = 0;
58 char quote = '\0';
59 int isescaping = 0;
61 /* continue a multi line comment highlighting */
62 if (hltr->iscommentml) {
63 iscomment = 1;
64 memcpy_const(dest, dp, "<span class=\"c2html-comment\">");
65 }
67 for (char c = src[sp] ; c ; c=src[++sp]) {
68 /* comments */
69 if (!isstring && c == '/') {
70 if (hltr->iscommentml && sp > 0 && src[sp-1] == '*') {
71 iscomment = 0;
72 hltr->iscommentml = 0;
73 memcpy_const(dest, dp, "/</span>");
74 continue;
75 } else if (!iscomment && (src[sp+1] == '/' || src[sp+1] == '*')) {
76 iscomment = 1;
77 hltr->iscommentml = (src[sp+1] == '*');
78 memcpy_const(dest, dp, "<span class=\"c2html-comment\">");
79 }
80 }
82 if (iscomment) {
83 if (c == '\n') {
84 memcpy_const(dest, dp, "</span>");
85 }
86 dp = writeescapedchar(dest, dp, c);
87 } else if (isinclude) {
88 if (c == '<') {
89 memcpy_const(dest, dp, "<span class=\"c2html-stdinclude\">");
90 dp = writeescapedchar(dest, dp, c);
91 } else if (c == '\"') {
92 if (parseinclude) {
93 dest[dp++] = '\"';
94 dest[dp++] = '>';
95 memcpy(&(dest[dp]), hltr->includefile, ifp);
96 dp += ifp;
98 dp = writeescapedchar(dest, dp, c);
99 memcpy_const(dest, dp, "</a>");
100 parseinclude = 0;
101 } else {
102 memcpy_const(dest, dp,
103 "<a class=\"c2html-userinclude\" href=");
104 dp = writeescapedchar(dest, dp, c);
105 ifp = 0;
106 hltr->includefile[ifp++] = '\"';
107 parseinclude = 1;
108 }
109 } else if (c == '>') {
110 dp = writeescapedchar(dest, dp, c);
111 memcpy_const(dest, dp, "</span>");
112 } else {
113 if (parseinclude) {
114 hltr->includefile[ifp++] = c;
115 }
116 dp = writeescapedchar(dest, dp, c);
117 }
118 } else {
119 /* strings */
120 if (!isescaping && (c == '\'' || c == '\"')) {
121 if (isstring) {
122 dp = writeescapedchar(dest, dp, c);
123 if (c == quote) {
124 isstring = 0;
125 memcpy_const(dest, dp, "</span>");
126 } else {
127 dp = writeescapedchar(dest, dp, c);
128 }
129 } else {
130 isstring = 1;
131 quote = c;
132 memcpy_const(dest, dp,
133 "<span class=\"c2html-string\">");
134 dp = writeescapedchar(dest, dp, c);
135 }
136 } else {
137 if (isstring) {
138 dp = writeescapedchar(dest, dp, c);
139 } else if (!iswordcharacter(c)) {
140 /* interpret word int_t */
141 if (wp > 0 && wp < WORDBUF_SIZE) {
142 int closespan = 1;
143 if (check_keyword(hltr->word, hltr->keywords)) {
144 memcpy_const(dest, dp,
145 "<span class=\"c2html-keyword\">");
146 } else if (hltr->istype(hltr->word, wp)) {
147 memcpy_const(dest, dp,
148 "<span class=\"c2html-type\">");
149 } else if (hltr->isdirective(hltr->word)) {
150 isinclude = !strncmp(
151 "#include", hltr->word, WORDBUF_SIZE);
152 memcpy_const(dest, dp,
153 "<span class=\"c2html-directive\">");
154 } else if (check_capsonly(hltr->word, wp)) {
155 memcpy_const(dest, dp,
156 "<span class=\"c2html-macroconst\">");
157 } else {
158 closespan = 0;
159 }
160 for (int i = 0 ; i < wp ; i++) {
161 dp = writeescapedchar(dest, dp, hltr->word[i]);
162 }
163 if (closespan) {
164 memcpy_const(dest, dp, "</span>");
165 }
166 }
167 memset(hltr->word, 0, WORDBUF_SIZE);
168 wp = 0;
169 dp = writeescapedchar(dest, dp, c);
170 } else {
171 /* read word */
172 if (wp < WORDBUF_SIZE) {
173 hltr->word[wp++] = c;
174 } else if (wp == WORDBUF_SIZE) {
175 for (int i = 0 ; i < WORDBUF_SIZE ; i++) {
176 dp = writeescapedchar(dest, dp, hltr->word[i]);
177 }
178 wp++;
179 dp = writeescapedchar(dest, dp, c);
180 } else {
181 dp = writeescapedchar(dest, dp, c);
182 }
183 }
184 }
186 isescaping = !isescaping & (c == '\\');
187 }
188 }
189 dest[dp] = 0;
190 }
