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#if 0
/usr/bin/env cc -o kw "$0" || exit 1
dir=$(dirname $0)
./kw --expr difference > $dir/difference.expr
./kw --expr intersection > $dir/intersection.expr
[ -n "$1" ] && ./kw "$@";
rm -f ./kw
exit 0
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// Copy-pasted from Solc:
// https://github.com/ethereum/solidity/blob/58811f134ac369b20c2ec1120907321edf08fff1/liblangutil/Token.h#L66C1-L278C1
#define TOKEN_LIST(T, K) \
/* End of source indicator. */ \
T(EOS, "EOS", 0) \
\
/* Punctuators (ECMA-262, section 7.7, page 15). */ \
T(LParen, "(", 0) \
T(RParen, ")", 0) \
T(LBrack, "[", 0) \
T(RBrack, "]", 0) \
T(LBrace, "{", 0) \
T(RBrace, "}", 0) \
T(Colon, ":", 0) \
T(Semicolon, ";", 0) \
T(Period, ".", 0) \
T(Conditional, "?", 3) \
T(DoubleArrow, "=>", 0) \
T(RightArrow, "->", 0) \
\
/* Assignment operators. */ \
/* IsAssignmentOp() relies on this block of enum values being */ \
/* contiguous and sorted in the same order!*/ \
T(Assign, "=", 2) \
/* The following have to be in exactly the same order as the simple binary operators*/ \
T(AssignBitOr, "|=", 2) \
T(AssignBitXor, "^=", 2) \
T(AssignBitAnd, "&=", 2) \
T(AssignShl, "<<=", 2) \
T(AssignSar, ">>=", 2) \
T(AssignShr, ">>>=", 2) \
T(AssignAdd, "+=", 2) \
T(AssignSub, "-=", 2) \
T(AssignMul, "*=", 2) \
T(AssignDiv, "/=", 2) \
T(AssignMod, "%=", 2) \
\
/* Binary operators sorted by precedence. */ \
/* IsBinaryOp() relies on this block of enum values */ \
/* being contiguous and sorted in the same order! */ \
T(Comma, ",", 1) \
T(Or, "||", 4) \
T(And, "&&", 5) \
T(BitOr, "|", 8) \
T(BitXor, "^", 9) \
T(BitAnd, "&", 10) \
T(SHL, "<<", 11) \
T(SAR, ">>", 11) \
T(SHR, ">>>", 11) \
T(Add, "+", 12) \
T(Sub, "-", 12) \
T(Mul, "*", 13) \
T(Div, "/", 13) \
T(Mod, "%", 13) \
T(Exp, "**", 14) \
\
/* Compare operators sorted by precedence. */ \
/* IsCompareOp() relies on this block of enum values */ \
/* being contiguous and sorted in the same order! */ \
T(Equal, "==", 6) \
T(NotEqual, "!=", 6) \
T(LessThan, "<", 7) \
T(GreaterThan, ">", 7) \
T(LessThanOrEqual, "<=", 7) \
T(GreaterThanOrEqual, ">=", 7) \
\
/* Unary operators. */ \
/* IsUnaryOp() relies on this block of enum values */ \
/* being contiguous and sorted in the same order! */ \
T(Not, "!", 0) \
T(BitNot, "~", 0) \
T(Inc, "++", 0) \
T(Dec, "--", 0) \
K(Delete, "delete", 0) \
\
/* Inline Assembly Operators */ \
T(AssemblyAssign, ":=", 2) \
/* Keywords */ \
K(Abstract, "abstract", 0) \
K(Anonymous, "anonymous", 0) \
K(As, "as", 0) \
K(Assembly, "assembly", 0) \
K(Break, "break", 0) \
K(Catch, "catch", 0) \
K(Constant, "constant", 0) \
K(Constructor, "constructor", 0) \
K(Continue, "continue", 0) \
K(Contract, "contract", 0) \
K(Do, "do", 0) \
K(Else, "else", 0) \
K(Enum, "enum", 0) \
K(Emit, "emit", 0) \
K(Event, "event", 0) \
K(External, "external", 0) \
K(Fallback, "fallback", 0) \
K(For, "for", 0) \
K(Function, "function", 0) \
K(Hex, "hex", 0) \
K(If, "if", 0) \
K(Indexed, "indexed", 0) \
K(Interface, "interface", 0) \
K(Internal, "internal", 0) \
K(Immutable, "immutable", 0) \
K(Import, "import", 0) \
K(Is, "is", 0) \
K(Library, "library", 0) \
K(Mapping, "mapping", 0) \
K(Memory, "memory", 0) \
K(Modifier, "modifier", 0) \
K(New, "new", 0) \
K(Override, "override", 0) \
K(Payable, "payable", 0) \
K(Public, "public", 0) \
K(Pragma, "pragma", 0) \
K(Private, "private", 0) \
K(Pure, "pure", 0) \
K(Receive, "receive", 0) \
K(Return, "return", 0) \
K(Returns, "returns", 0) \
K(Storage, "storage", 0) \
K(CallData, "calldata", 0) \
K(Struct, "struct", 0) \
K(Throw, "throw", 0) \
K(Try, "try", 0) \
K(Type, "type", 0) \
K(Unchecked, "unchecked", 0) \
K(Unicode, "unicode", 0) \
K(Using, "using", 0) \
K(View, "view", 0) \
K(Virtual, "virtual", 0) \
K(While, "while", 0) \
\
/* Ether subdenominations */ \
K(SubWei, "wei", 0) \
K(SubGwei, "gwei", 0) \
K(SubEther, "ether", 0) \
K(SubSecond, "seconds", 0) \
K(SubMinute, "minutes", 0) \
K(SubHour, "hours", 0) \
K(SubDay, "days", 0) \
K(SubWeek, "weeks", 0) \
K(SubYear, "years", 0) \
/* type keywords*/ \
K(Int, "int", 0) \
K(UInt, "uint", 0) \
K(Bytes, "bytes", 0) \
K(String, "string", 0) \
K(Address, "address", 0) \
K(Bool, "bool", 0) \
K(Fixed, "fixed", 0) \
K(UFixed, "ufixed", 0) \
T(IntM, "intM", 0) \
T(UIntM, "uintM", 0) \
T(BytesM, "bytesM", 0) \
T(FixedMxN, "fixedMxN", 0) \
T(UFixedMxN, "ufixedMxN", 0) \
T(TypesEnd, nullptr, 0) /* used as type enum end marker */ \
\
/* Literals */ \
K(TrueLiteral, "true", 0) \
K(FalseLiteral, "false", 0) \
T(Number, nullptr, 0) \
T(StringLiteral, nullptr, 0) \
T(UnicodeStringLiteral, nullptr, 0) \
T(HexStringLiteral, nullptr, 0) \
T(CommentLiteral, nullptr, 0) \
\
/* Identifiers (not keywords or future reserved words). */ \
T(Identifier, nullptr, 0) \
\
/* Keywords reserved for future use. */ \
K(After, "after", 0) \
K(Alias, "alias", 0) \
K(Apply, "apply", 0) \
K(Auto, "auto", 0) \
K(Byte, "byte", 0) \
K(Case, "case", 0) \
K(CopyOf, "copyof", 0) \
K(Default, "default", 0) \
K(Define, "define", 0) \
K(Final, "final", 0) \
K(Implements, "implements", 0) \
K(In, "in", 0) \
K(Inline, "inline", 0) \
K(Let, "let", 0) \
K(Macro, "macro", 0) \
K(Match, "match", 0) \
K(Mutable, "mutable", 0) \
K(NullLiteral, "null", 0) \
K(Of, "of", 0) \
K(Partial, "partial", 0) \
K(Promise, "promise", 0) \
K(Reference, "reference", 0) \
K(Relocatable, "relocatable", 0) \
K(Sealed, "sealed", 0) \
K(Sizeof, "sizeof", 0) \
K(Static, "static", 0) \
K(Supports, "supports", 0) \
K(Switch, "switch", 0) \
K(Typedef, "typedef", 0) \
K(TypeOf, "typeof", 0) \
K(Var, "var", 0) \
\
/* Yul-specific tokens, but not keywords. */ \
T(Leave, "leave", 0) \
\
T(NonExperimentalEnd, nullptr, 0) /* used as non-experimental enum end marker */ \
T(ExperimentalEnd, nullptr, 0) /* used as experimental enum end marker */ \
/* Illegal token - not able to scan. */ \
T(Illegal, "ILLEGAL", 0) \
\
/* Scanner-internal use only. */ \
T(Whitespace, nullptr, 0)
// https://doc.rust-lang.org/reference/keywords.html
char* rust[] = {
// strict
"as",
"break",
"const",
"continue",
"crate",
"else",
"enum",
"extern",
"false",
"fn",
"for",
"if",
"impl",
"in",
"let",
"loop",
"match",
"mod",
"move",
"mut",
"pub",
"ref",
"return",
"self",
"Self",
"static",
"struct",
"super",
"trait",
"true",
"type",
"unsafe",
"use",
"where",
"while",
// strict, >=2018
"async",
"await",
"dyn",
// reserved
"abstract",
"become",
"box",
"do",
"final",
"macro",
"override",
"priv",
"typeof",
"unsized",
"virtual",
"yield",
// reserved, >=2018
"try",
};
// Cannot ever be made into raw identifiers, so just ignore these.
char* rust_disallowed[] = {
"crate",
"self",
"Self",
"super",
};
char* solidity[] = {
#define NOOP(...)
#define KW(name, string, precedence) string,
TOKEN_LIST(NOOP, KW)
};
int print_array(char* strings[], int len, int as_expr) {
if (as_expr) printf("[");
for (int i = 0; i < len; i++) {
if (as_expr) {
printf("\"%s\",", strings[i]);
} else {
printf("%s\n", strings[i]);
}
}
if (as_expr) printf("]");
return 0;
}
int get_set(int difference, int as_expr) {
char** out = malloc(200);
int out_i = 0;
for (int i = 0; i < sizeof(rust) / sizeof(char*); i++) {
char* s_rust = rust[i];
for (int j = 0; j < sizeof(rust_disallowed) / sizeof(char*); j++) {
if (strcmp(s_rust, rust_disallowed[j]) == 0) {
// https://xkcd.com/292
goto cont;
}
}
int any = 0;
for (int j = 0; j < sizeof(solidity) / sizeof(char*); j++) {
if (strcmp(s_rust, solidity[j]) == 0) {
any = 1;
break;
}
}
if ((!any) == difference) {
out[out_i++] = s_rust;
}
cont:
}
return print_array(out, out_i, as_expr);
}
// Arguments:
// - "rust" prints the set of keywords that are reserved in Rust.
// - "solidity" prints the set of keywords that are reserved in Solidity.
// - "intersection" prints the set of keywords that are reserved in both Rust and Solidity.
// - "difference" prints the set of keywords that are reserved in Rust but not in Solidity.
// Flags:
// - "--expr" prints the selected set as a Rust expression instead of one-per-line.
int main(int argc, char* argv[]) {
if (argc < 2) return 1;
int current_arg = 1;
int as_expr = 0;
for (; current_arg < argc; current_arg++) {
if (argv[current_arg][0] != '-') break;
if (strcmp(argv[current_arg], "--expr") == 0) as_expr = 1;
}
char* posarg = argv[current_arg];
int ret;
if (strcmp(posarg, "rust") == 0) ret = print_array(rust, sizeof(rust) / sizeof(char*), as_expr);
else if (strcmp(posarg, "solidity") == 0) ret = print_array(solidity, sizeof(solidity) / sizeof(char*), as_expr);
else if (strcmp(posarg, "intersection") == 0) ret = get_set(0, as_expr);
else if (strcmp(posarg, "difference") == 0) ret = get_set(1, as_expr);
else {
fprintf(stderr, "Unknown argument: %s\n", posarg);
ret = 1;
}
return ret;
}