80 lines
4.0 KiB
Plaintext
80 lines
4.0 KiB
Plaintext
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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%include {
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#include "libc/stdio/stdio.h"
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#include "tool/calc/calc.h"
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#include "libc/calls/calls.h"
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#include "libc/str/str.h"
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#include "libc/x/x.h"
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#include "libc/runtime/gc.h"
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#include "libc/math.h"
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}
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%token_type {struct Token}
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%type number {long double}
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%syntax_error { SyntaxError(); }
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%left LOR.
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%left LAND.
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%left OR.
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%left XOR.
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%left AND.
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%left EQ NE.
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%left LT LE GT GE.
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%left SHL SHR.
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%left PLUS MINUS.
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%left MUL DIV DDIV REM.
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%right NOT LNOT.
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%right EXP.
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program ::= number.
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number(A) ::= NUMBER(B). { A = ParseNumber(B); }
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number(A) ::= LP number(B) RP. { A = B; }
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number(A) ::= LNOT number(B). { A = !B; }
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number(A) ::= NOT number(B). { A = ~(long)B; }
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number(A) ::= PLUS number(B). { A = +B; } [NOT]
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number(A) ::= MINUS number(B). { A = -B; } [NOT]
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number(A) ::= SYMBOL(F) LP numbers(N) RP. { A = CallFunction(F, N); }
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number(A) ::= number(B) EQ number(C). { A = B == C; }
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number(A) ::= number(B) NE number(C). { A = B != C; }
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number(A) ::= number(B) LT number(C). { A = B < C; }
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number(A) ::= number(B) LE number(C). { A = B <= C; }
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number(A) ::= number(B) GT number(C). { A = B > C; }
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number(A) ::= number(B) GE number(C). { A = B >= C; }
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number(A) ::= number(B) LOR number(C). { A = B || C; }
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number(A) ::= number(B) LAND number(C). { A = B && C; }
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number(A) ::= number(B) PLUS number(C). { A = B + C; }
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number(A) ::= number(B) MINUS number(C). { A = B - C; }
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number(A) ::= number(B) MUL number(C). { A = B * C; }
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number(A) ::= number(B) DIV number(C). { A = B / C; }
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number(A) ::= number(B) REM number(C). { A = remainderl(B, C); }
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number(A) ::= number(B) EXP number(C). { A = powl(B, C); }
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number(A) ::= number(B) DDIV number(C). { A = truncl(B / C); }
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number(A) ::= number(B) OR number(C). { A = (long)B | (long)C; }
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number(A) ::= number(B) XOR number(C). { A = (long)B ^ (long)C; }
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number(A) ::= number(B) AND number(C). { A = (long)B & (long)C; }
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number(A) ::= number(B) SHL number(C). { A = (long)B << (long)C; }
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number(A) ::= number(B) SHR number(C). { A = (long)B >> (long)C; }
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%type numbers {struct Numbers *}
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%destructor numbers { NumbersFree($$); }
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numbers(A) ::= . { A = 0; }
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numbers(A) ::= number(B). { A = NumbersAppend(0, B); }
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numbers(A) ::= numbers(A) COMMA number(B). { A = NumbersAppend(A, B); }
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