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#include <stdio.h>
#include <string>
using std::string;
#include <vector>
using std::vector;
vector<int> hashtable = {
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1,
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5,
6,
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8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
18,
19,
20,
21,
22,
23,
24,
25,
26,
0,
0,
0,
0,
0,
0,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
18,
19,
20,
21,
22,
23,
24,
25,
26,
27,
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0};
vector<string> keywords = {
"alignas",
"alignof",
"and",
"and_eq",
"asm",
"auto",
"bitand",
"bitor",
"bool",
"break",
"case",
"catch",
"char",
"char16_t",
"char32_t",
"class",
"compl",
"const",
"constexpr",
"const_cast",
"continue",
"decltype",
"default",
"delete",
"do",
"double",
"dynamic_cast",
"else",
"enum",
"explicit",
"export",
"extern",
"false",
"float",
"for",
"friend",
"goto",
"if",
"inline",
"int",
"long",
"mutable",
"namespace",
"new",
"noexcept",
"not",
"not_eq",
"nullptr",
"operator",
"or",
"or_eq",
"private",
"protected",
"public",
"register",
"reinterpret_cast",
"return",
"short",
"signed",
"sizeof",
"static",
"static_assert",
"static_cast",
"struct",
"switch",
"template",
"this",
"thread_local",
"throw",
"true",
"try",
"typedef",
"typeid",
"typename",
"union",
"unsigned",
"using",
"virtual",
"void",
"volatile",
"wchar_t",
"while",
"xor",
"xor_eq"
};
//asm do if return try
//auto double inline short typedef
//bool dynamic_cast int signed typeid
//break else long sizeof typename
//case enum mutable static union
//catch explicit namespace static_assert unsigned
//char export new static_cast using
//class extern operator struct virtual
//const false private switch void
//const_cast float protected template volatile
//continue for public this wchar_t
//default friend register throw while
//delete goto reinterpret_cast true
//and and_eq bitand bitor compl not
//not_eq or or_eq xor xor_eq
int GetHash(const char* text) {
int result = 0;
while(*text == '_' or (*text >= '0' and *text <= '9') or (*text >= 'a' and *text <= 'z') or (*text >= 'A' and *text <= 'Z')) {
result += hashtable[(int)*text];
text++;
}
return result;
}
int main() {
FILE* text = fopen("t.txt","wb");
if(text) {
// Create a list of keywords sorted by hash
vector<vector<string>> hashedkeywords;
for(int i = 0;i < (int)keywords.size();i++) {
int hash = GetHash(keywords[i].c_str());
// Only expand
if((int)hashedkeywords.size() < hash + 1) {
hashedkeywords.resize(hash + 1);
}
hashedkeywords[hash].push_back(keywords[i]);
}
// Save function bodies
for(int i = 0;i < (int)hashedkeywords.size();i++) {
if(hashedkeywords[i].size() == 0) {
continue;
} else {
fprintf(text,"function TSynCppSyn.Func%d: TtkTokenKind;\r\n",i);
fprintf(text,"begin\r\n");
for(int j = 0;j < (int)hashedkeywords[i].size();j++) {
fprintf(text," if KeyComp('%s') then Result := tkKey else\r\n",hashedkeywords[i][j].c_str());
}
fprintf(text," Result := tkIdentifier\r\n");
fprintf(text,"end;\r\n\r\n");
}
}
// Save function declarations
for(int i = 0;i < (int)hashedkeywords.size();i++) {
if(hashedkeywords[i].size() > 0) {
fprintf(text," function Func%d: TtkTokenKind;\r\n",i);
}
}
// Save function assignments
for(int i = 0;i < (int)hashedkeywords.size();i++) {
if(hashedkeywords[i].size() > 0) {
fprintf(text," fIdentFuncTable[%d] := Func%d;\r\n",i,i);
}
}
fclose(text);
}
}
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