src/ccodegen.c@1be8ea902ef4
src/ccodegen.c
Sat, 25 Apr 2015 19:01:16 +0200
- author
- Mike Becker <universe@uap-core.de>
- date
- Sat, 25 Apr 2015 19:01:16 +0200
- changeset 28
- 1be8ea902ef4
- parent 26
- 05c3c6842aef
- child 29
- ec6e97454e64
- permissions
- -rw-r--r--
fixed string highlighting when different quote symbol is in string
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 char quote = '\0';
61 int isescaping = 0;
63 if (hltr->iscommentml) {
64 iscomment = 1;
65 memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29);
66 dp += 29;
67 }
69 for (char c = src[sp] ; c ; c=src[++sp]) {
70 /* comments */
71 if (!isstring && c == '/') {
72 if (hltr->iscommentml && sp > 0 && src[sp-1] == '*') {
73 iscomment = 0;
74 hltr->iscommentml = 0;
75 memcpy(&(dest[dp]), "/</span>", 8);
76 dp += 8;
77 continue;
78 } else if (!iscomment && (src[sp+1] == '/' || src[sp+1] == '*')) {
79 iscomment = 1;
80 hltr->iscommentml = (src[sp+1] == '*');
81 memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29);
82 dp += 29;
83 }
84 }
86 if (iscomment) {
87 if (c == '\n') {
88 memcpy(&(dest[dp]), "</span>", 7);
89 dp += 7;
90 }
91 dp = writeescapedchar(dest, dp, c);
92 } else if (isinclude) {
93 if (c == '<') {
94 memcpy(&(dest[dp]), "<span class=\"c2html-stdinclude\">", 32);
95 dp += 32;
96 dp = writeescapedchar(dest, dp, c);
97 } else if (c == '\"') {
98 if (parseinclude) {
99 dest[dp++] = '\"';
100 dest[dp++] = '>';
101 memcpy(&(dest[dp]), hltr->includefile, ifp);
102 dp += ifp;
104 dp = writeescapedchar(dest, dp, c);
105 memcpy(&(dest[dp]), "</a>", 4);
106 dp += 4;
107 parseinclude = 0;
108 } else {
109 memcpy(&(dest[dp]),
110 "<a class=\"c2html-userinclude\" href=", 35);
111 dp += 35;
112 dp = writeescapedchar(dest, dp, c);
113 ifp = 0;
114 hltr->includefile[ifp++] = '\"';
115 parseinclude = 1;
116 }
117 } else if (c == '>') {
118 dp = writeescapedchar(dest, dp, c);
119 memcpy(&(dest[dp]), "</span>", 7);
120 dp += 7;
121 } else {
122 if (parseinclude) {
123 hltr->includefile[ifp++] = c;
124 }
125 dp = writeescapedchar(dest, dp, c);
126 }
127 } else {
128 /* strings */
129 if (!isescaping && (c == '\'' || c == '\"')) {
130 if (isstring) {
131 if (c == quote) {
132 isstring = 0;
133 memcpy(&(dest[dp]), "<span class=\"c2html-string\">", 28);
134 dp += 28;
135 dp = writeescapedchar(dest, dp, c);
136 } else {
137 dp = writeescapedchar(dest, dp, c);
138 }
139 } else {
140 isstring = 1;
141 quote = c;
142 dp = writeescapedchar(dest, dp, c);
143 memcpy(&(dest[dp]), "</span>", 7);
144 dp += 7;
145 }
146 } else {
147 if (isstring) {
148 dp = writeescapedchar(dest, dp, c);
149 } else if (!iswordcharacter(c)) {
150 /* interpret word int_t */
151 if (wp > 0 && wp < WORDBUF_SIZE) {
152 int closespan = 1;
153 if (iskeyword(hltr->word, hltr->keywords)) {
154 memcpy(&(dest[dp]),
155 "<span class=\"c2html-keyword\">", 29);
156 dp += 29;
157 } else if (hltr->istype(hltr->word, wp)) {
158 memcpy(&(dest[dp]),
159 "<span class=\"c2html-type\">", 26);
160 dp += 26;
161 } else if (hltr->isdirective(hltr->word)) {
162 isinclude = !strncmp(
163 "#include", hltr->word, WORDBUF_SIZE);
164 memcpy(&(dest[dp]),
165 "<span class=\"c2html-directive\">", 31);
166 dp += 31;
167 } else if (iscapsonly(hltr->word, wp)) {
168 memcpy(&(dest[dp]),
169 "<span class=\"c2html-macroconst\">", 32);
170 dp += 32;
171 } else {
172 closespan = 0;
173 }
174 for (int i = 0 ; i < wp ; i++) {
175 dp = writeescapedchar(dest, dp, hltr->word[i]);
176 }
177 if (closespan) {
178 memcpy(&(dest[dp]), "</span>", 7);
179 dp += 7;
180 }
181 }
182 memset(hltr->word, 0, WORDBUF_SIZE);
183 wp = 0;
184 dp = writeescapedchar(dest, dp, c);
185 } else {
186 /* read word */
187 if (wp < WORDBUF_SIZE) {
188 hltr->word[wp++] = c;
189 } else if (wp == WORDBUF_SIZE) {
190 for (int i = 0 ; i < WORDBUF_SIZE ; i++) {
191 dp = writeescapedchar(dest, dp, hltr->word[i]);
192 }
193 wp++;
194 dp = writeescapedchar(dest, dp, c);
195 } else {
196 dp = writeescapedchar(dest, dp, c);
197 }
198 }
199 }
201 isescaping = !isescaping & (c == '\\');
202 }
203 }
204 dest[dp] = 0;
205 }
