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robfinch |
// ============================================================================
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// (C) 2012 Robert Finch
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// All Rights Reserved.
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// robfinch<remove>@opencores.org
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//
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// C64 - Raptor64 'C' derived language compiler
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// - 64 bit CPU
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//
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// This source file is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This source file is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ============================================================================
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//
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#include <stdio.h>
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#include "c.h"
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#include "expr.h"
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#include "gen.h"
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#include "cglbdec.h"
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int IdentifyKeyword()
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{
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char *p = lastid;
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if (p[0]=='i') { // if,int,inton,intoff,interrupt,icache
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if (p[1]=='f' && p[2]=='\0')
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return lastst = kw_if;
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if (p[1]=='n' && p[2]=='t' && p[3]=='\0')
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return lastst = kw_int;
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if (p[1]=='n' && p[2]=='t' && p[3]=='o' && p[4]=='n' && p[5]=='\0')
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return lastst = kw_inton;
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if (p[1]=='n' && p[2]=='t' && p[3]=='o' && p[4]=='f' && p[5]=='f' && p[6]=='\0')
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return lastst = kw_intoff;
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if (p[1]=='n' && p[2]=='t' && p[3]=='e' && p[4]=='r' && p[5]=='r' && p[6]=='u' && p[7]=='p' && p[8]=='t' && p[9]=='\0')
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return lastst = kw_interrupt;
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if (p[1]=='c' && p[2]=='a' && p[3]=='c' && p[4]=='h' && p[5]=='e' && p[6]=='\0')
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return lastst = kw_icache;
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}
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if (p[0]=='b' && p[1]=='r' && p[2]=='e' && p[3]=='a' && p[4]=='k' && p[5]=='\0')
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return lastst = kw_break;
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if (p[0]=='b' && p[1]=='y' && p[2]=='t' && p[3]=='e' && p[4]=='\0')
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return lastst = kw_byte;
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if (p[0]=='w' && p[1]=='h' && p[2]=='i' && p[3]=='l' && p[4]=='e' && p[5]=='\0')
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return lastst = kw_while;
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if (p[0]=='d') { // do,default,double,dcache
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if (p[1]=='o' && p[2]=='\0')
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return lastst = kw_do;
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if (p[1]=='o' && p[2]=='u' && p[3]=='b' && p[4]=='l' && p[5]=='e' && p[6]=='\0')
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return lastst = kw_double;
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if (p[1]=='e' && p[2]=='f' && p[3]=='a' && p[4]=='u' && p[5]=='l' && p[6]=='t' && p[7]=='\0')
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return lastst = kw_default;
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if (p[1]=='c' && p[2]=='a' && p[3]=='c' && p[4]=='h' && p[5]=='e' && p[6]=='\0')
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return lastst = kw_dcache;
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}
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if (p[0]=='o') { // or,oscall
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if (p[1]=='r' && p[2]=='\0')
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return lastst = lor;
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if (p[1]=='s' && p[2]=='c' && p[3]=='a' && p[4]=='l' && p[5]=='l' && p[6]=='\0')
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return lastst = kw_oscall;
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}
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if (p[0]=='c') { // case,catch,char,continue
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if(p[1]=='a' && p[2]=='s' && p[3]=='e' && p[4]=='\0')
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return lastst = kw_case;
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if(p[1]=='a' && p[2]=='t' && p[3]=='c' && p[4]=='h' && p[5]=='\0')
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return lastst = kw_catch;
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if(p[1]=='h' && p[2]=='a' && p[3]=='r' && p[4]=='\0')
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return lastst = kw_char;
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if (p[1]=='o' && p[2]=='n' && p[3]=='t' && p[4]=='i' && p[5]=='n' && p[6]=='u' && p[7]=='e' && p[8]=='\0')
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return lastst = kw_continue;
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if (p[1]=='r' && p[2]=='i' && p[3]=='t' && p[4]=='i' && p[5]=='c' && p[6]=='a' && p[7]=='l' && p[8]=='\0')
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return lastst = kw_critical;
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}
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if (p[0]=='l') { // long,loop,lockfail
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if (p[1]=='o' && p[2]=='n' && p[3]=='g' && p[4]=='\0')
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return lastst = kw_long;
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if (p[1]=='o' && p[2]=='o' && p[3]=='p' && p[4]=='\0')
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return lastst = kw_loop;
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if (p[1]=='o' && p[2]=='c' && p[3]=='k' && p[4]=='f' && p[5]=='a' && p[6]=='i' && p[7]=='l' && p[8]=='\0')
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return lastst = kw_lockfail;
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}
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if (p[0]=='s') { // switch,short,static,stop,struct,sizeof,signed
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if (p[1]=='w' && p[2]=='i' && p[3]=='t' && p[4]=='c' && p[5]=='h' && p[6]=='\0')
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return lastst = kw_switch;
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if (p[1]=='t' && p[2]=='a' && p[3]=='t' && p[4]=='i' && p[5]=='c' && p[6]=='\0')
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return lastst = kw_static;
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if (p[1]=='h' && p[2]=='o' && p[3]=='r' && p[4]=='t' && p[5]=='\0')
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return lastst = kw_short;
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if (p[1]=='t' && p[2]=='o' && p[3]=='p' && p[4]=='\0')
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return lastst = kw_stop;
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if (p[1]=='t' && p[2]=='r' && p[3]=='u' && p[4]=='c' && p[5]=='t' && p[6]=='\0')
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return lastst = kw_struct;
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if (p[1]=='i' && p[2]=='z' && p[3]=='e' && p[4]=='o' && p[5]=='f' && p[6]=='\0')
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return lastst = kw_sizeof;
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if (p[1]=='i' && p[2]=='g' && p[3]=='n' && p[4]=='e' && p[5]=='d' && p[6]=='\0')
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return lastst = kw_signed;
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}
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if (p[0]=='t') { // typedef,typenum,throw,then,try
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if (p[1]=='y' && p[2]=='p' && p[3]=='e' && p[4]=='d' && p[5]=='e' && p[6]=='f' && p[7]=='\0')
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return lastst = kw_typedef;
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if (p[1]=='y' && p[2]=='p' && p[3]=='e' && p[4]=='n' && p[5]=='u' && p[6]=='n' && p[7]=='\0')
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return lastst = kw_typenum;
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if (p[1]=='h' && p[2]=='r' && p[3]=='o' && p[4]=='w' && p[5]=='\0')
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return lastst = kw_throw;
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if (p[1]=='h' && p[2]=='e' && p[3]=='n' && p[4]=='\0')
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return lastst = kw_then;
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if (p[1]=='r' && p[2]=='y' && p[3]=='\0')
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return lastst = kw_try;
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}
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if (p[0]=='g' && p[1]=='o' && p[2]=='t' && p[3]=='o' && p[4]=='\0')
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return lastst = kw_goto;
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if (p[0]=='j' && p[1]=='u' && p[2]=='m' && p[3]=='p' && p[4]=='\0')
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return lastst = kw_goto;
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if (p[0]=='e') { // else,enum,extern
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if (p[1]=='l' && p[2]=='s' && p[3]=='e' && p[4]=='\0')
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return lastst = kw_else;
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if (p[1]=='l' && p[2]=='s' && p[3]=='i' && p[4]=='f' && p[5]=='\0')
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return lastst = kw_elsif;
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if (p[1]=='n' && p[2]=='u' && p[3]=='m' && p[4]=='\0')
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return lastst = kw_enum;
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if (p[1]=='x' && p[2]=='t' && p[3]=='e' && p[4]=='r' && p[5]=='n' && p[6]=='\0')
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return lastst = kw_extern;
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}
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if (p[0]=='a') { // and,asm
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if (p[1]=='n' && p[2]=='d' && p[3]=='\0')
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return lastst = land;
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if (p[1]=='s' && p[2]=='m' && p[3]=='\0')
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return lastst = kw_asm;
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}
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if (p[0]=='v' && p[1]=='o' && p[2]=='i' && p[3]=='d' && p[4]=='\0')
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return lastst = kw_void;
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if (p[0]=='r' && p[1]=='e') { // return,register
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if (p[2]=='t' && p[3]=='u' && p[4]=='r' && p[5]=='n' && p[6]=='\0')
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return lastst = kw_return;
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if (p[2]=='g' && p[3]=='i' && p[4]=='s' && p[5]=='t' && p[6]=='e' && p[7]=='r' && p[8]=='\0')
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return lastst = kw_register;
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}
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if (p[0]=='l' && p[1]=='o' && p[2]=='o' && p[3]=='p' && p[4]=='\0')
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return lastst = kw_loop;
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if (p[0]=='u') { // unsigned,union,until
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if (p[1]=='n' && p[2]=='s' && p[3]=='i' && p[4]=='g' && p[5]=='n' && p[6]=='e' && p[7]=='d' && p[8]=='\0')
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return lastst = kw_unsigned;
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if (p[1]=='n' && p[2]=='i' && p[3]=='o' && p[4]=='n' && p[5]=='\0')
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return lastst = kw_union;
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if (p[1]=='n' && p[2]=='t' && p[3]=='i' && p[4]=='l' && p[5]=='\0')
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return lastst = kw_until;
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}
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if (p[0]=='f') { // float,forever,for,fallthru,firstcall
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if (p[1]=='o' && p[2]=='r' && p[3]=='\0')
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return lastst = kw_for;
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if (p[1]=='l' && p[2]=='o' && p[3]=='a' && p[4]=='t' && p[5]=='\0')
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| 169 |
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return lastst = kw_float;
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| 170 |
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if (p[1]=='o' && p[2]=='r' && p[3]=='e' && p[4]=='v' && p[5]=='e' && p[6]=='r' && p[7]=='\0')
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return lastst = kw_forever;
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if (p[1]=='a' && p[2]=='l' && p[3]=='l' && p[4]=='t' && p[5]=='h' && p[6]=='r' && p[7]=='u' && p[8]=='\0')
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return lastst = kw_fallthru;
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if (p[1]=='i' && p[2]=='r' && p[3]=='s' && p[4]=='t' && p[5]=='c' && p[6]=='a' && p[7]=='l' && p[8]=='l' && p[9]=='\0')
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return lastst = kw_firstcall;
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}
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if (p[0]=='m' && p[1]=='o' && p[2]=='d' && p[3]=='\0')
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| 178 |
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return lastst = modop;
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| 179 |
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| 180 |
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if (p[0]=='p') { // private,public,pascal
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| 181 |
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if (p[1]=='r' && p[2]=='i' && p[3]=='v' && p[4]=='a' && p[5]=='t' && p[6]=='e' && p[7]=='\0')
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| 182 |
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return lastst = kw_private;
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| 183 |
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if (p[1]=='u' && p[2]=='b' && p[3]=='l' && p[4]=='i' && p[5]=='c' && p[6]=='\0')
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| 184 |
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return lastst = kw_public;
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| 185 |
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if (p[1]=='a' && p[2]=='s' && p[3]=='c' && p[4]=='a' && p[5]=='l' && p[6]=='\0')
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| 186 |
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return lastst = kw_pascal;
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| 187 |
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}
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| 188 |
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if (p[0]=='n') { // nocall
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| 189 |
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if (p[1]=='o' && p[2]=='c' && p[3]=='a' && p[4]=='l' && p[5]=='l' && p[6]=='\0')
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| 190 |
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return lastst = kw_nocall;
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| 191 |
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}
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| 192 |
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// __spinlock,__spinunlock
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| 193 |
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if (p[0]=='s' && p[1]=='p' && p[2]=='i' && p[3]=='n' && p[4]=='l' && p[5]=='o' && p[6]=='c' && p[7]=='k' && p[8]=='\0')
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| 194 |
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return lastst = kw_spinlock;
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| 195 |
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if (p[0]=='s' && p[1]=='p' && p[2]=='i' && p[3]=='n' && p[4]=='u' && p[5]=='n' && p[6]=='l' && p[7]=='o' && p[8]=='c' && p[9]=='k' && p[10]=='\0')
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| 196 |
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return lastst = kw_spinunlock;
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| 197 |
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| 198 |
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if (p[0]=='f' && p[1]=='a' && p[2]=='l' && p[3]=='s' && p[4]=='e' && p[5]=='\0') {
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| 199 |
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ival = 0;
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| 200 |
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return lastst = iconst;
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| 201 |
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}
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| 202 |
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if (p[0]=='t' && p[1]=='r' && p[2]=='u' && p[3]=='e' && p[4]=='\0') {
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| 203 |
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ival = 1;
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| 204 |
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return lastst = iconst;
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| 205 |
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}
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| 206 |
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| 207 |
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return 0;
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| 208 |
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}
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