Tue, 23 Aug 2016 15:55:02 +0200
refactors highlighter_t and removes abstraction overhead
21 | 1 | /* |
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
3 | * | |
35 | 4 | * Copyright 2016 Mike Becker. All rights reserved. |
21 | 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 | */ | |
29 | ||
30 | #include "ccodegen.h" | |
31 | #include <string.h> | |
32 | #include <ctype.h> | |
33 | ||
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 | }; | |
41 | ||
29
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introduced macro for constant string memcpy + fixed string highlight fix
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42 | #define memcpy_const(darr,doff,str) memcpy(&(darr[doff]), str, sizeof(str)-1); \ |
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43 | dp += sizeof(str)-1 |
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44 | |
46
534a4ef4143d
refactors highlighter_t and removes abstraction overhead
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45 | void cparseline(char *src, UcxBuffer *destbuf, HighlighterData *hltr) { |
45
1f3835182aeb
changes signature of parser functions to use a UcxBuffer - the functions itself don't use the API yet
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46 | /* TODO: workaround for using old code with UcxBuffer */ |
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47 | char *dest = destbuf->space + destbuf->pos; |
21 | 48 | |
49 | memset(hltr->word, 0, WORDBUF_SIZE); | |
39
ac35daceb24c
adds UCX + changes how the input file is read (uses an consecutive memory area now)
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50 | size_t wp = 0, ifp = 0, sp = (size_t)-1, dp = 0; |
21 | 51 | int isstring = 0, iscomment = 0, isinclude = 0, parseinclude = 0; |
28
1be8ea902ef4
fixed string highlighting when different quote symbol is in string
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52 | char quote = '\0'; |
21 | 53 | int isescaping = 0; |
31
50ae611a785c
fixed corrupted multi line comments, when a blank line (containing only white spaces) is present in the comment
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54 | |
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55 | /* continue a multi line comment highlighting */ |
21 | 56 | if (hltr->iscommentml) { |
57 | iscomment = 1; | |
29
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58 | memcpy_const(dest, dp, "<span class=\"c2html-comment\">"); |
21 | 59 | } |
60 | ||
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61 | char c; |
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62 | do { |
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63 | c = src[++sp]; |
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64 | if (!c) break; |
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65 | |
21 | 66 | /* comments */ |
26
05c3c6842aef
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67 | if (!isstring && c == '/') { |
21 | 68 | if (hltr->iscommentml && sp > 0 && src[sp-1] == '*') { |
69 | iscomment = 0; | |
70 | hltr->iscommentml = 0; | |
29
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71 | memcpy_const(dest, dp, "/</span>"); |
21 | 72 | continue; |
73 | } else if (!iscomment && (src[sp+1] == '/' || src[sp+1] == '*')) { | |
74 | iscomment = 1; | |
75 | hltr->iscommentml = (src[sp+1] == '*'); | |
29
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76 | memcpy_const(dest, dp, "<span class=\"c2html-comment\">"); |
21 | 77 | } |
78 | } | |
79 | ||
80 | if (iscomment) { | |
81 | if (c == '\n') { | |
29
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82 | memcpy_const(dest, dp, "</span>"); |
21 | 83 | } |
84 | dp = writeescapedchar(dest, dp, c); | |
85 | } else if (isinclude) { | |
86 | if (c == '<') { | |
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87 | memcpy_const(dest, dp, "<span class=\"c2html-stdinclude\">"); |
21 | 88 | dp = writeescapedchar(dest, dp, c); |
89 | } else if (c == '\"') { | |
90 | if (parseinclude) { | |
91 | dest[dp++] = '\"'; | |
92 | dest[dp++] = '>'; | |
93 | memcpy(&(dest[dp]), hltr->includefile, ifp); | |
94 | dp += ifp; | |
95 | ||
96 | dp = writeescapedchar(dest, dp, c); | |
29
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97 | memcpy_const(dest, dp, "</a>"); |
21 | 98 | parseinclude = 0; |
99 | } else { | |
29
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100 | memcpy_const(dest, dp, |
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101 | "<a class=\"c2html-userinclude\" href="); |
21 | 102 | dp = writeescapedchar(dest, dp, c); |
103 | ifp = 0; | |
104 | hltr->includefile[ifp++] = '\"'; | |
105 | parseinclude = 1; | |
106 | } | |
107 | } else if (c == '>') { | |
108 | dp = writeescapedchar(dest, dp, c); | |
29
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109 | memcpy_const(dest, dp, "</span>"); |
21 | 110 | } else { |
111 | if (parseinclude) { | |
112 | hltr->includefile[ifp++] = c; | |
113 | } | |
114 | dp = writeescapedchar(dest, dp, c); | |
115 | } | |
116 | } else { | |
117 | /* strings */ | |
118 | if (!isescaping && (c == '\'' || c == '\"')) { | |
119 | if (isstring) { | |
29
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120 | dp = writeescapedchar(dest, dp, c); |
28
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121 | if (c == quote) { |
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122 | isstring = 0; |
29
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123 | memcpy_const(dest, dp, "</span>"); |
28
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124 | } else { |
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125 | dp = writeescapedchar(dest, dp, c); |
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126 | } |
21 | 127 | } else { |
28
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128 | isstring = 1; |
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129 | quote = c; |
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130 | memcpy_const(dest, dp, |
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131 | "<span class=\"c2html-string\">"); |
21 | 132 | dp = writeescapedchar(dest, dp, c); |
133 | } | |
134 | } else { | |
135 | if (isstring) { | |
136 | dp = writeescapedchar(dest, dp, c); | |
137 | } else if (!iswordcharacter(c)) { | |
138 | /* interpret word int_t */ | |
139 | if (wp > 0 && wp < WORDBUF_SIZE) { | |
140 | int closespan = 1; | |
46
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141 | if (check_keyword(hltr->word, ckeywords)) { |
29
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142 | memcpy_const(dest, dp, |
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143 | "<span class=\"c2html-keyword\">"); |
46
534a4ef4143d
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144 | } else if (hltr->word[wp-2] == '_' |
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145 | && hltr->word[wp-1] == 't') { |
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146 | memcpy_const(dest, dp, |
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147 | "<span class=\"c2html-type\">"); |
46
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148 | } else if (hltr->word[0] == '#') { |
21 | 149 | isinclude = !strncmp( |
150 | "#include", hltr->word, WORDBUF_SIZE); | |
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151 | memcpy_const(dest, dp, |
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152 | "<span class=\"c2html-directive\">"); |
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153 | } else if (check_capsonly(hltr->word, wp)) { |
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154 | memcpy_const(dest, dp, |
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155 | "<span class=\"c2html-macroconst\">"); |
21 | 156 | } else { |
157 | closespan = 0; | |
158 | } | |
159 | for (int i = 0 ; i < wp ; i++) { | |
160 | dp = writeescapedchar(dest, dp, hltr->word[i]); | |
161 | } | |
162 | if (closespan) { | |
29
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163 | memcpy_const(dest, dp, "</span>"); |
21 | 164 | } |
165 | } | |
166 | memset(hltr->word, 0, WORDBUF_SIZE); | |
167 | wp = 0; | |
168 | dp = writeescapedchar(dest, dp, c); | |
169 | } else { | |
170 | /* read word */ | |
171 | if (wp < WORDBUF_SIZE) { | |
172 | hltr->word[wp++] = c; | |
173 | } else if (wp == WORDBUF_SIZE) { | |
174 | for (int i = 0 ; i < WORDBUF_SIZE ; i++) { | |
175 | dp = writeescapedchar(dest, dp, hltr->word[i]); | |
176 | } | |
177 | wp++; | |
178 | dp = writeescapedchar(dest, dp, c); | |
179 | } else { | |
180 | dp = writeescapedchar(dest, dp, c); | |
181 | } | |
182 | } | |
183 | } | |
184 | ||
185 | isescaping = !isescaping & (c == '\\'); | |
186 | } | |
39
ac35daceb24c
adds UCX + changes how the input file is read (uses an consecutive memory area now)
Mike Becker <universe@uap-core.de>
parents:
36
diff
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187 | } while (c != '\n'); |
21 | 188 | dest[dp] = 0; |
45
1f3835182aeb
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189 | |
1f3835182aeb
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190 | /* TODO: workaround */ |
1f3835182aeb
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parents:
39
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191 | destbuf->pos += dp; |
1f3835182aeb
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192 | destbuf->size += dp; |
21 | 193 | } |