src/ccodegen.c

Tue, 23 Aug 2016 16:34:02 +0200

author
Mike Becker <universe@uap-core.de>
date
Tue, 23 Aug 2016 16:34:02 +0200
changeset 47
c39ecbbca7c0
parent 46
534a4ef4143d
child 48
b2724c711203
permissions
-rw-r--r--

words (token) are now stored as sstr_t

universe@21 1 /*
universe@21 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@21 3 *
universe@35 4 * Copyright 2016 Mike Becker. All rights reserved.
universe@21 5 *
universe@21 6 * Redistribution and use in source and binary forms, with or without
universe@21 7 * modification, are permitted provided that the following conditions are met:
universe@21 8 *
universe@21 9 * 1. Redistributions of source code must retain the above copyright
universe@21 10 * notice, this list of conditions and the following disclaimer.
universe@21 11 *
universe@21 12 * 2. Redistributions in binary form must reproduce the above copyright
universe@21 13 * notice, this list of conditions and the following disclaimer in the
universe@21 14 * documentation and/or other materials provided with the distribution.
universe@21 15 *
universe@21 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@21 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@21 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@21 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@21 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@21 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@21 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@21 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@21 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@21 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@21 26 * POSSIBILITY OF SUCH DAMAGE.
universe@21 27 *
universe@21 28 */
universe@21 29
universe@21 30 #include "ccodegen.h"
universe@21 31 #include <string.h>
universe@21 32 #include <ctype.h>
universe@21 33
universe@21 34 const char* ckeywords[] = {
universe@21 35 "auto", "break", "case", "char", "const", "continue", "default", "do",
universe@21 36 "double", "else", "enum", "extern", "float", "for", "goto", "if", "int",
universe@21 37 "long", "register", "return", "short", "signed", "sizeof", "static",
universe@21 38 "struct", "switch", "typedef", "union", "unsigned", "void", "volatile",
universe@21 39 "while", NULL
universe@21 40 };
universe@21 41
universe@29 42 #define memcpy_const(darr,doff,str) memcpy(&(darr[doff]), str, sizeof(str)-1); \
universe@29 43 dp += sizeof(str)-1
universe@29 44
universe@47 45 void cparseline(char *src, UcxBuffer *destbuf, int *multiline_comment) {
universe@45 46 /* TODO: workaround for using old code with UcxBuffer */
universe@45 47 char *dest = destbuf->space + destbuf->pos;
universe@21 48
universe@47 49 /* TODO: try to replace these buffers */
universe@47 50 char wordbuf[WORDBUF_SIZE];
universe@47 51 sstr_t word;
universe@47 52 word.ptr = wordbuf; word.length = 0;
universe@47 53
universe@47 54 char includefilebuf[512];
universe@47 55 sstr_t includefile;
universe@47 56 includefile.ptr = includefilebuf;
universe@47 57 includefile.length = 0;
universe@47 58
universe@47 59 size_t sp = (size_t)-1, dp = 0;
universe@21 60 int isstring = 0, iscomment = 0, isinclude = 0, parseinclude = 0;
universe@28 61 char quote = '\0';
universe@21 62 int isescaping = 0;
universe@31 63
universe@31 64 /* continue a multi line comment highlighting */
universe@47 65 if (*multiline_comment) {
universe@21 66 iscomment = 1;
universe@29 67 memcpy_const(dest, dp, "<span class=\"c2html-comment\">");
universe@21 68 }
universe@21 69
universe@39 70 char c;
universe@39 71 do {
universe@39 72 c = src[++sp];
universe@39 73 if (!c) break;
universe@39 74
universe@21 75 /* comments */
universe@26 76 if (!isstring && c == '/') {
universe@47 77 if (*multiline_comment && sp > 0 && src[sp-1] == '*') {
universe@21 78 iscomment = 0;
universe@47 79 *multiline_comment = 0;
universe@29 80 memcpy_const(dest, dp, "/</span>");
universe@21 81 continue;
universe@21 82 } else if (!iscomment && (src[sp+1] == '/' || src[sp+1] == '*')) {
universe@21 83 iscomment = 1;
universe@47 84 *multiline_comment = (src[sp+1] == '*');
universe@29 85 memcpy_const(dest, dp, "<span class=\"c2html-comment\">");
universe@21 86 }
universe@21 87 }
universe@21 88
universe@21 89 if (iscomment) {
universe@21 90 if (c == '\n') {
universe@29 91 memcpy_const(dest, dp, "</span>");
universe@21 92 }
universe@21 93 dp = writeescapedchar(dest, dp, c);
universe@21 94 } else if (isinclude) {
universe@21 95 if (c == '<') {
universe@29 96 memcpy_const(dest, dp, "<span class=\"c2html-stdinclude\">");
universe@21 97 dp = writeescapedchar(dest, dp, c);
universe@21 98 } else if (c == '\"') {
universe@21 99 if (parseinclude) {
universe@21 100 dest[dp++] = '\"';
universe@21 101 dest[dp++] = '>';
universe@47 102 memcpy(&(dest[dp]), includefile.ptr, includefile.length);
universe@47 103 dp += includefile.length;
universe@21 104
universe@21 105 dp = writeescapedchar(dest, dp, c);
universe@29 106 memcpy_const(dest, dp, "</a>");
universe@21 107 parseinclude = 0;
universe@21 108 } else {
universe@29 109 memcpy_const(dest, dp,
universe@29 110 "<a class=\"c2html-userinclude\" href=");
universe@21 111 dp = writeescapedchar(dest, dp, c);
universe@47 112 includefile.length = 0;
universe@47 113 includefile.ptr[includefile.length++] = '\"';
universe@21 114 parseinclude = 1;
universe@21 115 }
universe@21 116 } else if (c == '>') {
universe@21 117 dp = writeescapedchar(dest, dp, c);
universe@29 118 memcpy_const(dest, dp, "</span>");
universe@21 119 } else {
universe@21 120 if (parseinclude) {
universe@47 121 includefile.ptr[includefile.length++] = c;
universe@21 122 }
universe@21 123 dp = writeescapedchar(dest, dp, c);
universe@21 124 }
universe@21 125 } else {
universe@21 126 /* strings */
universe@21 127 if (!isescaping && (c == '\'' || c == '\"')) {
universe@21 128 if (isstring) {
universe@29 129 dp = writeescapedchar(dest, dp, c);
universe@28 130 if (c == quote) {
universe@28 131 isstring = 0;
universe@29 132 memcpy_const(dest, dp, "</span>");
universe@28 133 } else {
universe@28 134 dp = writeescapedchar(dest, dp, c);
universe@28 135 }
universe@21 136 } else {
universe@28 137 isstring = 1;
universe@28 138 quote = c;
universe@29 139 memcpy_const(dest, dp,
universe@29 140 "<span class=\"c2html-string\">");
universe@21 141 dp = writeescapedchar(dest, dp, c);
universe@21 142 }
universe@21 143 } else {
universe@21 144 if (isstring) {
universe@21 145 dp = writeescapedchar(dest, dp, c);
universe@21 146 } else if (!iswordcharacter(c)) {
universe@47 147 if (word.length > 0 && word.length < WORDBUF_SIZE) {
universe@21 148 int closespan = 1;
universe@47 149 sstr_t typesuffix = ST("_t");
universe@47 150 if (check_keyword(word, ckeywords)) {
universe@29 151 memcpy_const(dest, dp,
universe@29 152 "<span class=\"c2html-keyword\">");
universe@47 153 } else if (sstrsuffix(word, typesuffix)) {
universe@29 154 memcpy_const(dest, dp,
universe@29 155 "<span class=\"c2html-type\">");
universe@47 156 } else if (word.ptr[0] == '#') {
universe@47 157 isinclude = !sstrcmp(word, S("#include"));
universe@29 158 memcpy_const(dest, dp,
universe@29 159 "<span class=\"c2html-directive\">");
universe@47 160 } else if (check_capsonly(word)) {
universe@29 161 memcpy_const(dest, dp,
universe@29 162 "<span class=\"c2html-macroconst\">");
universe@21 163 } else {
universe@21 164 closespan = 0;
universe@21 165 }
universe@47 166 for (int i = 0 ; i < word.length ; i++) {
universe@47 167 dp = writeescapedchar(dest, dp, word.ptr[i]);
universe@21 168 }
universe@21 169 if (closespan) {
universe@29 170 memcpy_const(dest, dp, "</span>");
universe@21 171 }
universe@21 172 }
universe@47 173 word.length = 0;
universe@21 174 dp = writeescapedchar(dest, dp, c);
universe@21 175 } else {
universe@21 176 /* read word */
universe@47 177 if (word.length < WORDBUF_SIZE) {
universe@47 178 word.ptr[word.length++] = c;
universe@47 179 } else if (word.length == WORDBUF_SIZE) {
universe@21 180 for (int i = 0 ; i < WORDBUF_SIZE ; i++) {
universe@47 181 dp = writeescapedchar(dest, dp, word.ptr[i]);
universe@21 182 }
universe@47 183 word.length++;
universe@21 184 dp = writeescapedchar(dest, dp, c);
universe@21 185 } else {
universe@21 186 dp = writeescapedchar(dest, dp, c);
universe@21 187 }
universe@21 188 }
universe@21 189 }
universe@21 190
universe@21 191 isescaping = !isescaping & (c == '\\');
universe@21 192 }
universe@39 193 } while (c != '\n');
universe@21 194 dest[dp] = 0;
universe@45 195
universe@45 196 /* TODO: workaround */
universe@45 197 destbuf->pos += dp;
universe@45 198 destbuf->size += dp;
universe@21 199 }

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