Template engine
FossilOrigin-Name: 80100717c5483087c985254616f3c784e79536ac4c161c77915a355e0fa04fc8
This commit is contained in:
nekobit
parent
0a580d0a32
commit
cdbbfed221
3 changed files with 190 additions and 23 deletions
2
Makefile
2
Makefile
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@ -23,7 +23,7 @@ $(TARGET): filec template $(PAGES_CMP) $(OBJ) $(HEADERS)
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$(CC) -o $(TARGET) $(OBJ) $(LDFLAGS)
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template: src/template/main.o
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$(CC) -o template $<
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$(CC) $(LDFLATS) -o template $<
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filec: src/file-to-c/main.o
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$(CC) -o filec $<
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@ -20,6 +20,9 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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// TODO error handling
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enum args
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{
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@ -33,7 +36,14 @@ enum tmpl_type
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TMPL_UINT,
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TMPL_STR,
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TMPL_STRLEN
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}
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};
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struct tmpl_token
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{
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enum tmpl_type type;
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char* token;
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int used; // Internal use only
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};
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long filesize(FILE* file)
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{
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@ -44,27 +54,184 @@ long filesize(FILE* file)
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return size;
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}
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void chexput(const char* buf, size_t size)
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{
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for (size_t i = 0; i < size; ++i)
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{
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printf("0X%hhX,", buf[i]);
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}
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}
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char* strnws(char* str)
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{
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for (; isblank(*str); ++str);
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return str;
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}
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char* strwsc(char* str, char stop)
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{
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for (; !isblank(*str) && *str != stop; ++str);
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return str;
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}
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char* tkn_typetostr(enum tmpl_type tkn)
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{
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switch (tkn)
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{
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case TMPL_INT:
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return "int";
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case TMPL_STR:
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case TMPL_STRLEN:
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return "char*";
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case TMPL_UINT:
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return "unsigned";
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}
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return "";
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}
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enum tmpl_type tkn_type(char* str)
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{
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if (strcmp(str, "string") == 0 ||
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strcmp(str, "str") == 0 ||
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strcmp(str, "%s") == 0)
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return TMPL_STR;
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else if (strcmp(str, "stringlen") == 0 ||
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strcmp(str, "strlen") == 0 ||
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strcmp(str, "%.s") == 0)
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return TMPL_STRLEN;
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else if (strcmp(str, "int") == 0 ||
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strcmp(str, "i") == 0 ||
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strcmp(str, "%d") == 0)
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return TMPL_INT;
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else if (strcmp(str, "unsigned") == 0 ||
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strcmp(str, "uint") == 0 ||
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strcmp(str, "%u") == 0)
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return TMPL_UINT;
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// TODO Real error handling
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return TMPL_INT;
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}
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char* parse_tmpl_token(char* buf, struct tmpl_token* tkn)
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{
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tkn->used = 0;
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char* type_begin;
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char* type_end;
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char* tkn_begin;
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char* tkn_end;
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// skip {{
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buf += 2;
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type_begin = strnws(buf);
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type_end = strwsc(type_begin, ':');
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if (*type_end != ':') buf = strchr(buf, ':');
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else buf = type_end;
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*type_end = '\0';
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tkn->type = tkn_type(type_begin);
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++buf;
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tkn_begin = strnws(buf);
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tkn_end = strwsc(tkn_begin, '}');
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if (*tkn_end == '}') buf = tkn_end + 2;
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else buf = strstr(buf, "}}") + 2;
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*tkn_end = '\0';
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tkn->token = tkn_begin;
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return buf;
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}
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void print_template(char* var, char* buf)
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{
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char* buf_prev = buf;
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char* buf_curr = buf;
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char** tokens;
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// Store result
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struct tmpl_token* tokens = NULL;
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size_t tokens_len = 0;
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printf("#ifndef __%s\n"
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"#define __%s\n"
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"static const char data_%s[] = {", var, var, var);
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printf("#ifndef __%s\n", var);
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printf("#define __%s\n", var);
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printf("static const char data_%s[] = {", var);
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while (1)
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{
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buf_curr = strstr(buf_curr, "{{");
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if (!buf_curr) break;
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// Create tokens array
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tokens = realloc(tokens, sizeof(struct tmpl_token) * ++tokens_len);
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if (!tokens)
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{
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perror("realloc");
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break;
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}
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// Print up to this point
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chexput(buf_prev, buf_curr - buf_prev);
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buf_prev = buf_curr = parse_tmpl_token(buf_curr, tokens + (tokens_len-1));
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// Print type
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switch (tokens[tokens_len-1].type)
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{
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case TMPL_INT:
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// I'm lazy so we'll use this
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chexput("%d", 2);
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break;
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case TMPL_STR:
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chexput("%s", 2);
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break;
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case TMPL_STRLEN:
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chexput("%.s", 3);
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break;
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case TMPL_UINT:
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chexput("%u", 2);
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break;
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}
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}
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/* for (size_t i = 0; i < size; ++i) */
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/* { */
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/* printf("0X%hhX,", buf[i]); */
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/* } */
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/* puts("0};\n#endif"); */
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puts("#endif");
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// Print remainder if any
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chexput(buf_prev, strlen(buf_prev));
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printf("};\n"
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"struct %s {", var);
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int should_print = 0;
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// Print tokens
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for (size_t i = 0; i < tokens_len; ++i)
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{
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should_print = 1;
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// Check if used
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for (size_t j = 0; j < tokens_len; ++j)
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{
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if (i != j &&
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strcmp(tokens[i].token, tokens[j].token) == 0 &&
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tokens[j].used)
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should_print = 0;
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}
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if (should_print)
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{
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printf("%s %s;\n", tkn_typetostr(tokens[i].type), tokens[i].token);
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if (tokens[i].type == TMPL_STRLEN)
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printf("unsigned %s_len;\n", tokens[i].token);
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tokens[i].used = 1;
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}
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}
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// Generate function
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printf("};\n"
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"char* tmpl_gen_%s(struct %s* data, unsigned* size){\n"
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"char* ret;\n"
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"unsigned s = easprintf(&ret, data_%s, ", var, var, var);
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for (size_t i = 0; i < tokens_len; ++i)
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{
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printf("data->%s%s", tokens[i].token, i < tokens_len-1 ? ", " : "");
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}
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fputs(");\n"
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"if (size) *size = s;\n"
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"return ret;\n}", stdout);
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// Done!
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puts("\n#endif");
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// Cleanup
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free(tokens);
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}
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int main(int argc, char** argv)
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@ -29,15 +29,15 @@
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<tr>
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<td id="leftbar" class="sidebar">
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<ul>
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<li><a class="sidebarbtn { %s : active_home" href="{{ %s : prefix}}/">{{ %s : home }}</a></li>
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<li><a class="sidebarbtn { %s : active_local" href="{{ %s : prefix}}/local/">{{ %s : local}}</a></li>
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<li><a class="sidebarbtn { %s : active_federated" href="{{ %s : prefix}}/federated/">{{ %s : federated }}</a></li>
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<li><a class="sidebarbtn { %s : active_notifications" href="{{ %s : prefix}}/notifications">{{ %s : notifications }}</a></li>
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<li><a class="sidebarbtn { %s : active_lists" href="{{ %s : prefix}}/lists">{{ %s : lists }}</a></li>
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<li><a class="sidebarbtn { %s : active_favourites" href="{{ %s : prefix}}/favourites">{{ %s : favourites }}</a></li>
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<li><a class="sidebarbtn { %s : active_bookmarks" href="{{ %s : prefix}}/bookmarks">{{ %s : bookmarks }}</a></li>
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<li><a class="sidebarbtn { %s : active_direct" href="{{ %s : prefix}}/direct">{{ %s : direct }}</a></li>
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<li><a class="sidebarbtn { %s : active_config" href="{{ %s : prefix}}/config">{{ %s : config }}</a></li>
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<li><a class="sidebarbtn {{ %s : active_home }}" href="{{ %s : prefix}}/">{{ %s : home }}</a></li>
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<li><a class="sidebarbtn {{ %s : active_local }}" href="{{ %s : prefix}}/local/">{{ %s : local}}</a></li>
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<li><a class="sidebarbtn {{ %s : active_federated }}" href="{{ %s : prefix}}/federated/">{{ %s : federated }}</a></li>
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<li><a class="sidebarbtn {{ %s : active_notifications }}" href="{{ %s : prefix}}/notifications">{{ %s : notifications }}</a></li>
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<li><a class="sidebarbtn {{ %s : active_lists }}" href="{{ %s : prefix}}/lists">{{ %s : lists }}</a></li>
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<li><a class="sidebarbtn {{ %s : active_favourites }}" href="{{ %s : prefix}}/favourites">{{ %s : favourites }}</a></li>
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<li><a class="sidebarbtn {{ %s : active_bookmarks }}" href="{{ %s : prefix}}/bookmarks">{{ %s : bookmarks }}</a></li>
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<li><a class="sidebarbtn {{ %s : active_direct }}" href="{{ %s : prefix}}/direct">{{ %s : direct }}</a></li>
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<li><a class="sidebarbtn {{ %s : active_config }}" href="{{ %s : prefix}}/config">{{ %s : config }}</a></li>
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</ul>
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{{ %s : sidebar_leftbar }}
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<div class="static-html" id="instance-panel">
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