src/ccodegen.c@05c3c6842aef
src/ccodegen.c
Tue, 21 Apr 2015 09:53:01 +0200
- author
- Mike Becker <universe@uap-core.de>
- date
- Tue, 21 Apr 2015 09:53:01 +0200
- changeset 26
- 05c3c6842aef
- parent 24
- e43dee5892f4
- child 28
- 1be8ea902ef4
- permissions
- -rw-r--r--
fixed wrong comment formatting in strings
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2015 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 isctype(char *word, size_t len) {
43 return (word[len-2] == '_' && word[len-1] == 't');
44 }
46 int iscdirective(char *word) {
47 return (word[0] == '#');
48 }
50 void cparseline(char *src, char *dest, highlighter_t *hltr) {
51 size_t sp = 0, dp = 0;
52 /* indent */
53 while (isspace(src[sp])) {
54 dest[dp++] = src[sp++];
55 }
57 memset(hltr->word, 0, WORDBUF_SIZE);
58 size_t wp = 0, ifp = 0;
59 int isstring = 0, iscomment = 0, isinclude = 0, parseinclude = 0;
60 int isescaping = 0;
62 if (hltr->iscommentml) {
63 iscomment = 1;
64 memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29);
65 dp += 29;
66 }
68 for (char c = src[sp] ; c ; c=src[++sp]) {
69 /* comments */
70 if (!isstring && c == '/') {
71 if (hltr->iscommentml && sp > 0 && src[sp-1] == '*') {
72 iscomment = 0;
73 hltr->iscommentml = 0;
74 memcpy(&(dest[dp]), "/</span>", 8);
75 dp += 8;
76 continue;
77 } else if (!iscomment && (src[sp+1] == '/' || src[sp+1] == '*')) {
78 iscomment = 1;
79 hltr->iscommentml = (src[sp+1] == '*');
80 memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29);
81 dp += 29;
82 }
83 }
85 if (iscomment) {
86 if (c == '\n') {
87 memcpy(&(dest[dp]), "</span>", 7);
88 dp += 7;
89 }
90 dp = writeescapedchar(dest, dp, c);
91 } else if (isinclude) {
92 if (c == '<') {
93 memcpy(&(dest[dp]), "<span class=\"c2html-stdinclude\">", 32);
94 dp += 32;
95 dp = writeescapedchar(dest, dp, c);
96 } else if (c == '\"') {
97 if (parseinclude) {
98 dest[dp++] = '\"';
99 dest[dp++] = '>';
100 memcpy(&(dest[dp]), hltr->includefile, ifp);
101 dp += ifp;
103 dp = writeescapedchar(dest, dp, c);
104 memcpy(&(dest[dp]), "</a>", 4);
105 dp += 4;
106 parseinclude = 0;
107 } else {
108 memcpy(&(dest[dp]),
109 "<a class=\"c2html-userinclude\" href=", 35);
110 dp += 35;
111 dp = writeescapedchar(dest, dp, c);
112 ifp = 0;
113 hltr->includefile[ifp++] = '\"';
114 parseinclude = 1;
115 }
116 } else if (c == '>') {
117 dp = writeescapedchar(dest, dp, c);
118 memcpy(&(dest[dp]), "</span>", 7);
119 dp += 7;
120 } else {
121 if (parseinclude) {
122 hltr->includefile[ifp++] = c;
123 }
124 dp = writeescapedchar(dest, dp, c);
125 }
126 } else {
127 /* strings */
128 if (!isescaping && (c == '\'' || c == '\"')) {
129 isstring ^= 1;
130 if (isstring) {
131 memcpy(&(dest[dp]), "<span class=\"c2html-string\">", 28);
132 dp += 28;
133 dp = writeescapedchar(dest, dp, c);
134 } else {
135 dp = writeescapedchar(dest, dp, c);
136 memcpy(&(dest[dp]), "</span>", 7);
137 dp += 7;
138 }
139 } else {
140 if (isstring) {
141 dp = writeescapedchar(dest, dp, c);
142 } else if (!iswordcharacter(c)) {
143 /* interpret word int_t */
144 if (wp > 0 && wp < WORDBUF_SIZE) {
145 int closespan = 1;
146 if (iskeyword(hltr->word, hltr->keywords)) {
147 memcpy(&(dest[dp]),
148 "<span class=\"c2html-keyword\">", 29);
149 dp += 29;
150 } else if (hltr->istype(hltr->word, wp)) {
151 memcpy(&(dest[dp]),
152 "<span class=\"c2html-type\">", 26);
153 dp += 26;
154 } else if (hltr->isdirective(hltr->word)) {
155 isinclude = !strncmp(
156 "#include", hltr->word, WORDBUF_SIZE);
157 memcpy(&(dest[dp]),
158 "<span class=\"c2html-directive\">", 31);
159 dp += 31;
160 } else if (iscapsonly(hltr->word, wp)) {
161 memcpy(&(dest[dp]),
162 "<span class=\"c2html-macroconst\">", 32);
163 dp += 32;
164 } else {
165 closespan = 0;
166 }
167 for (int i = 0 ; i < wp ; i++) {
168 dp = writeescapedchar(dest, dp, hltr->word[i]);
169 }
170 if (closespan) {
171 memcpy(&(dest[dp]), "</span>", 7);
172 dp += 7;
173 }
174 }
175 memset(hltr->word, 0, WORDBUF_SIZE);
176 wp = 0;
177 dp = writeescapedchar(dest, dp, c);
178 } else {
179 /* read word */
180 if (wp < WORDBUF_SIZE) {
181 hltr->word[wp++] = c;
182 } else if (wp == WORDBUF_SIZE) {
183 for (int i = 0 ; i < WORDBUF_SIZE ; i++) {
184 dp = writeescapedchar(dest, dp, hltr->word[i]);
185 }
186 wp++;
187 dp = writeescapedchar(dest, dp, c);
188 } else {
189 dp = writeescapedchar(dest, dp, c);
190 }
191 }
192 }
194 isescaping = !isescaping & (c == '\\');
195 }
196 }
197 dest[dp] = 0;
198 }
