antlr / pccts package

우분투에서 antlr 실행 파일은 pccts 패키지에 존재한다.

$ antlr 'antlr' 프로그램은 현재 설치되어 있지 않습니다.  다음을 입력하여 이를 설치할 수 있습니다: sudo apt-get install pccts

$ antlr Antlr parser generator   Version 1.33MR33   1989-2001 antlr [options] f1 f2 ... fn     -CC            Generate C++ output (default=FALSE)     -cr            Generate cross reference (default=FALSE)     -ck      ___   Set compressed lookahead depth; fast approximate lookahead     -e1            Ambiguities/errors shown in low detail (default)     -e2            Ambiguities/errors shown in more detail     -e3            Ambiguities for k>1 grammars shown with exact tuples (not lookahead sets)     -f       ___   Read names of grammar files from specified file     -fe      ___   Rename err.c     -fh      ___   Rename stdpccts.h header (turns on -gh)     -fl      ___   Rename lexical output--parser.dlg     -fm      ___   Rename mode.h     -fr      ___   Rename remap.h     -ft      ___   Rename tokens.h     -ga            Generate ANSI-compatible code (default=FALSE)     -gc            Do not generate output parser code (default=FALSE)     -gd            Generate code to trace rule invocation (default=FALSE)     -ge            Generate an error class for each non-terminal (default=FALSE)     -gh            Generate stdpccts.h for non-ANTLR-generated-files to include     -gk            Generate parsers that delay lookahead fetches until needed     -gl            Generate line info about grammar actions in C parser     -glms          Like -gl but replace '\' with '/' in #line filenames for MS C/C++ systems     -gp      ___   Prefix all generated rule functions with a string     -gs            Do not generate sets for token expression lists (default=FALSE)     -gt            Generate code for Abstract-Syntax-Trees (default=FALSE)     -gx            Do not generate lexical (dlg-related) files (default=FALSE)     -gxt           Do not generate tokens.h (default=FALSE)     -k       ___   Set full LL(k) lookahead depth (default==1)     -o       ___   Directory where all output files should go (default=".")     -p             Print out the grammar w/o actions (default=no)     -pa            Print out the grammar w/o actions & w/FIRST sets (default=no)     -pr            no longer used; predicates employed if present     -prc     ___   Turn on/off computation of context for hoisted predicates     -rl      ___   Limit max # of tree nodes used by grammar analysis     -stdout        Send grammar.c/grammar.cpp to stdout     -tab     ___   Width of tabs (1 to 8) for grammar.c/grammar.cpp files     -w1            Set the warning level to 1 (default)     -w2            Ambiguities yield warnings even if predicates or (...)? block     -mrhoist ___   Turn on/off k=1 Maintenance Release style hoisting     -mrhoistk___   Turn on/off k>1 EXPERIMENTAL Maintenance Release style hoisting     -aa      ___   Ambiguity aid for a rule (rule name or line number)     -aam           Lookahead token may appear multiple times in -aa listing     -aad     ___   Limits exp growth of -aa listing - default=1 (max=ck value)     -info    ___   Extra info: p=pred t=tnodes f=first/follow m=monitor o=orphans 0=noop     -treport ___   Report when tnode usage exceeds value during ambiguity resolution     -newAST        In C++ mode use "newAST(...)" rather than "new AST(...)"     -tmake         In C++ mode use parser's tmake method rather than "ASTBase::tmake(...)"     -alpha         Provide additional information for "(alpha)? beta" error messages     -mrblkerr      EXPERIMENTAL change to (...)* and (...)+ syntax error sets     -nopurify      Don't use the notorious PURIFY macro (replaced by MR23 initial value syntax)                    to zero return arguments of rules     -              Read grammar from stdin

[링크 : http://packages.ubuntu.com/oneiric/pccts]
[링크 : http://packages.ubuntu.com/hardy/antlr]

2011/04/23 - [Programming/언어론] - antlr - ANother Tool for Language Recognition

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2011.11.06 추가
[링크 : http://www.antlr2.org/pccts133.html]
[링크 : http://www.antlr2.org/1.33/pccts_faq.html]
    [링크 : http://www.polhode.com/pccts.html]
    [링크 : http://www.antlr2.org/book/pcctsbk.pdf]
    [링크 : http://www.antlr2.org/1.33/tutorial.zip]

ubuntu에서 설치가능한 antlr은 PCCTS  버전으로
antlr 1.33MR33 이라고 표기되었듯이 아마도 antlr v1 으로 추정된다.
그런 이유로 이녀석으로 돌려봤자 요즘 문법은(antlr v2 / v3) 인식되지 않으며
기본적으로 생성될 경우 c언어로 출력이 나오게 된다.

$ cat poly.g poly > [float r]     :   <<float f;>>         term>[$r] ( "\+" term>[f] <<$r += f;>> )*     ; $ antlr poly.g Antlr parser generator   Version 1.33MR33   1989-2001 poly.g, line 3: warning: rule term not defined poly.g, line 3: warning: rule term not defined poly.g, line 3: warning: rule term not defined $ cat poly.c  /* * A n t l r T r a n s l a t i o n H e a d e r * * Terence Parr, Will Cohen, and Hank Dietz: 1989-2001 * Purdue University Electrical Engineering * With AHPCRC, University of Minnesota * ANTLR Version 1.33MR33 * * antlr poly.g * */ #define ANTLR_VERSION 13333 #include "pcctscfg.h" #include "pccts_stdio.h" #define zzSET_SIZE 4 #include "antlr.h" #include "tokens.h" #include "dlgdef.h" #include "mode.h" /* MR23 In order to remove calls to PURIFY use the antlr -nopurify option */ #ifndef PCCTS_PURIFY #define PCCTS_PURIFY(r,s) memset((char *) &(r),'\0',(s)); #endif ANTLR_INFO float #ifdef __USE_PROTOS poly(void) #else poly() #endif { float _retv; zzRULE; zzBLOCK(zztasp1); PCCTS_PURIFY(_retv,sizeof(float )) zzMake0; { float f; zzEXIT(zztasp1); return _retv; fail: zzEXIT(zztasp1); zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText); zzresynch(setwd1, 0x1); return _retv; } } $  cat tokens.h #ifndef tokens_h #define tokens_h /* tokens.h -- List of labelled tokens and stuff * * Generated from: poly.g * * Terence Parr, Will Cohen, and Hank Dietz: 1989-2001 * Purdue University Electrical Engineering * ANTLR Version 1.33MR33 */ #define zzEOF_TOKEN 1 #ifdef __USE_PROTOS extern float poly(void); #else extern float poly(); #endif #endif extern SetWordType setwd1[]; $  cat err.c /* * A n t l r S e t s / E r r o r F i l e H e a d e r * * Generated from: poly.g * * Terence Parr, Russell Quong, Will Cohen, and Hank Dietz: 1989-2001 * Parr Research Corporation * with Purdue University Electrical Engineering * With AHPCRC, University of Minnesota * ANTLR Version 1.33MR33 */ #define ANTLR_VERSION 13333 #include "pcctscfg.h" #include "pccts_stdio.h" #define zzSET_SIZE 4 #include "antlr.h" #include "tokens.h" #include "dlgdef.h" #include "err.h" ANTLRChar *zztokens[3]={ /* 00 */ "Invalid", /* 01 */ "@", /* 02 */ "\\+" }; SetWordType setwd1[3] = {0x0,0x1,0x0}; $  cat parser.dlg << /* parser.dlg -- DLG Description of scanner * * Generated from: poly.g * * Terence Parr, Will Cohen, and Hank Dietz: 1989-2001 * Purdue University Electrical Engineering * With AHPCRC, University of Minnesota * ANTLR Version 1.33MR33 */ #define ANTLR_VERSION 13333 #include "pcctscfg.h" #include "pccts_stdio.h" #include "antlr.h" #include "tokens.h" #include "dlgdef.h" LOOKAHEAD void #ifdef __USE_PROTOS zzerraction(void) #else zzerraction() #endif { (*zzerr)("invalid token"); zzadvance(); zzskip(); } >> %%START @ << NLA = 1; >> \+ << NLA = 2; >> %% [링크 : http://www.rubyholic.com/Languages/PCCTS/Grammars.html]