src/javacodegen.c

Sun, 19 Apr 2015 10:48:00 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 19 Apr 2015 10:48:00 +0200
changeset 24
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parent 21
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child 26
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permissions
-rw-r--r--

improved code structure and added option for disabling line numbers

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
24
e43dee5892f4 improved code structure and added option for disabling line numbers
Olaf Wintermann <olaf.wintermann@gmail.com>
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4 * Copyright 2015 Mike Becker. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 *
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28 */
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29
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30 #include "javacodegen.h"
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31 #include <string.h>
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32 #include <ctype.h>
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33
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34 const char* jkeywords[] = {
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35 "abstract", "continue", "for", "new", "switch", "assert", "default", "goto",
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36 "package", "synchronized", "boolean", "do", "if", "private", "this",
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37 "break", "double", "implements", "protected", "throw", "byte", "else",
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38 "import", "public", "throws", "case", "enum", "instanceof", "return",
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39 "transient", "catch", "extends", "int", "short", "try", "char", "final",
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40 "interface", "static", "void", "class", "finally", "long", "strictfp",
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41 "volatile", "const", "float", "native", "super", "while", NULL
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42 };
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43
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44 int isjtype(char *word, size_t len) {
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45 return isupper(word[0]);
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46 }
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47
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48 int isjdirective(char *word) {
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49 return word[0] == '@';
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50 }
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51
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52 void jparseline(char *src, char *dest, highlighter_t *hltr) {
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53 size_t sp = 0, dp = 0;
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54 /* indent */
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55 while (isspace(src[sp])) {
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56 dest[dp++] = src[sp++];
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57 }
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58
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59 memset(hltr->word, 0, WORDBUF_SIZE);
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60 size_t wp = 0;
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61 int isstring = 0, iscomment = 0, isimport = 0;
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62 int isescaping = 0;
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63
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64 if (hltr->iscommentml) {
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65 iscomment = 1;
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66 memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29);
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67 dp += 29;
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68 }
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69
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70 for (char c = src[sp] ; c ; c=src[++sp]) {
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71 /* comments */
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72 if (c == '/') {
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73 if (hltr->iscommentml && sp > 0 && src[sp-1] == '*') {
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74 iscomment = 0;
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75 hltr->iscommentml = 0;
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76 memcpy(&(dest[dp]), "/</span>", 8);
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77 dp += 8;
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78 continue;
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79 } else if (!iscomment && (src[sp+1] == '/' || src[sp+1] == '*')) {
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80 iscomment = 1;
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81 hltr->iscommentml = (src[sp+1] == '*');
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82 memcpy(&(dest[dp]), "<span class=\"c2html-comment\">", 29);
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83 dp += 29;
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84 }
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85 }
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86
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87 if (iscomment) {
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88 if (c == '\n') {
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89 memcpy(&(dest[dp]), "</span>", 7);
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90 dp += 7;
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91 }
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92 dp = writeescapedchar(dest, dp, c);
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93 } else if (isimport) {
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94 // TODO: local imports
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95 } else {
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96 /* strings */
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97 if (!isescaping && (c == '\'' || c == '\"')) {
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98 isstring ^= 1;
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99 if (isstring) {
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100 memcpy(&(dest[dp]), "<span class=\"c2html-string\">", 28);
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101 dp += 28;
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102 dp = writeescapedchar(dest, dp, c);
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103 } else {
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104 dp = writeescapedchar(dest, dp, c);
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105 memcpy(&(dest[dp]), "</span>", 7);
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106 dp += 7;
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107 }
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108 } else {
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109 if (isstring) {
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110 dp = writeescapedchar(dest, dp, c);
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111 } else if (!iswordcharacter(c)) {
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112 /* interpret word int_t */
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113 if (wp > 0 && wp < WORDBUF_SIZE) {
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114 int closespan = 1;
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115 if (iskeyword(hltr->word, hltr->keywords)) {
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116 memcpy(&(dest[dp]),
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117 "<span class=\"c2html-keyword\">", 29);
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118 dp += 29;
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119 } else if (hltr->istype(hltr->word, wp)) {
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120 memcpy(&(dest[dp]),
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121 "<span class=\"c2html-type\">", 26);
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122 dp += 26;
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123 } else if (hltr->isdirective(hltr->word)) {
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124 memcpy(&(dest[dp]),
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125 "<span class=\"c2html-directive\">", 31);
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126 dp += 31;
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127 } else if (iscapsonly(hltr->word, wp)) {
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128 memcpy(&(dest[dp]),
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129 "<span class=\"c2html-macroconst\">", 32);
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130 dp += 32;
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131 } else {
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132 closespan = 0;
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133 }
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134 for (int i = 0 ; i < wp ; i++) {
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135 dp = writeescapedchar(dest, dp, hltr->word[i]);
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136 }
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137 if (closespan) {
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138 memcpy(&(dest[dp]), "</span>", 7);
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139 dp += 7;
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140 }
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141 }
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142 memset(hltr->word, 0, WORDBUF_SIZE);
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143 wp = 0;
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144 dp = writeescapedchar(dest, dp, c);
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145 } else {
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146 /* read word */
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147 if (wp < WORDBUF_SIZE) {
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148 hltr->word[wp++] = c;
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149 } else if (wp == WORDBUF_SIZE) {
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150 for (int i = 0 ; i < WORDBUF_SIZE ; i++) {
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151 dp = writeescapedchar(dest, dp, hltr->word[i]);
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152 }
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153 wp++;
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154 dp = writeescapedchar(dest, dp, c);
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155 } else {
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156 dp = writeescapedchar(dest, dp, c);
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157 }
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158 }
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159 }
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160
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161 isescaping = !isescaping & (c == '\\');
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162 }
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163 }
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164 dest[dp] = 0;
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165 }

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