Module: R2rb
- Defined in:
- lib/R4rb/init.rb,
lib/R4rb/R2rb_eval.rb,
lib/R4rb/R2rb_init.rb,
lib/R4rb/converter.rb,
ext/R4rb/R4rb.c
Overview
Attention “…n…” have to be replaced by “…\n…” example : ‘cat(“toton”)’ fails but not ‘cat(“toto\n”)’ more surprisingly, this fails even in comment ‘# cat(“toton”)’
Defined Under Namespace
Classes: RBuffer, RConsole, RVector, Server
Constant Summary collapse
- @@out =
[]
- @@pair =
["<<",">>"]
Class Method Summary collapse
-
.<(rcode) ⇒ Object
(also: output)
@@out.rb2R=R2rb.
- .<<(s) ⇒ Object
- .alive? ⇒ Boolean
- .eval(s, aff = nil) ⇒ Object
-
.evalLines(cmd, print) ⇒ Object
*************** EVAL *********************.
- .init(args = ["--save","--slave","--quiet"]) ⇒ Object
- .initR(args) ⇒ Object
- .multilang_parser(str) ⇒ Object
- .pair ⇒ Object
- .pair=(pair) ⇒ Object
- .parse(s, aff = nil) ⇒ Object
-
.parseLines(cmd, print) ⇒ Object
*************** PARSE *********************.
- .try_eval(code) ⇒ Object
Class Method Details
.<(rcode) ⇒ Object Also known as: output
@@out.rb2R=R2rb
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# File 'lib/R4rb/R2rb_eval.rb', line 78 def R2rb.<(rcode) @@out.replace [] ##@@out=[] #important! it could otherwise remove @@out.rb2R=self @@out < rcode.to_s ##@@out.inR2rb rcode.to_s return (@@out.length<=1 ? @@out[0] : @@out) end |
.eval(s, aff = nil) ⇒ Object
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# File 'lib/R4rb/R2rb_eval.rb', line 5 def R2rb.eval(s,aff=nil) s=["{\n"+s+"}\n"] evalLines s,aff end |
.evalLines(cmd, print) ⇒ Object
*************** EVAL *********************
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# File 'ext/R4rb/R4rb.c', line 72
VALUE R2rb_eval(VALUE obj, VALUE cmd, VALUE print)
{
char *cmdString;
int nbCmds;
VALUE tmp;
int errorOccurred,status, i;
SEXP text, expr, ans=R_NilValue /* -Wall */;
//printf("Avant parsing\n");
nbCmds=RARRAY_LEN(cmd);
//printf("nbCmds : %d\n",nbCmds);
text = PROTECT(allocVector(STRSXP, nbCmds));
for (i = 0 ; i < nbCmds ; i++) {
tmp=rb_ary_entry(cmd,i);
cmdString=StringValuePtr(tmp);
SET_STRING_ELT(text, i, mkChar(cmdString));
}
expr = PROTECT(RR_ParseVector(text, -1, &status));
if (status != PARSE_OK) {
//printf("Parsing error (status=%d) in:\n",status);
for (i = 0 ; i < nbCmds ; i++) {
tmp=rb_ary_entry(cmd,i);
cmdString=StringValuePtr(tmp);
//printf("%s\n",cmdString);
}
UNPROTECT(2);
return Qfalse;
}
/* Note that expr becomes an EXPRSXP and hence we need the loop
below (a straight eval(expr, R_GlobalEnv) won't work) */
{
for(i = 0 ; i < nbCmds ; i++)
ans = R_tryEval(VECTOR_ELT(expr, i),NULL, &errorOccurred);
if(errorOccurred) {
//fprintf(stderr, "Caught another error calling sqrt()\n");
fflush(stderr);
UNPROTECT(2);
return Qfalse;
}
if (print != Qnil) {
Rf_PrintValue(ans);
}
}
UNPROTECT(2);
return Qtrue;
}
|
.init(args = ["--save","--slave","--quiet"]) ⇒ Object
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# File 'lib/R4rb/init.rb', line 7 def R2rb.init(args=["--save","--slave","--quiet"]) @@initR=R2rb.initR(args) unless R2rb.alive? end |
.initR(args) ⇒ Object
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# File 'ext/R4rb/R4rb.c', line 49
VALUE R2rb_init(VALUE obj, VALUE args)
{
char **argv;//={"REmbed","--save","--slave","--quiet"};
int i,argc;//=sizeof(argv)/sizeof(argv[0]);
VALUE tmp;
argc=RARRAY_LEN(args) + 1;
//printf("argc=%d\n",argc);
argv=malloc(sizeof(char*)*argc);
argv[0]="REmbed";
for (i = 1 ; i < argc ; i++) {
tmp=rb_ary_entry(args,i-1);
argv[i]=StringValuePtr(tmp);
//printf("argv[%d]=%s\n",i,argv[i]);
}
//printf("argc=%d\n",argc);
Rf_initEmbeddedR(argc,argv);
R_Interactive = FALSE;
return Qtrue;
}
|
.multilang_parser(str) ⇒ Object
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# File 'lib/R4rb/converter.rb', line 33 def R2rb.multilang_parser(str) #p @@pair lang="r|R|rb|Rb" s=str if @@pair[0].empty? mask = /((?:#{lang}).*)/ else mask = /#{Regexp.escape(@@pair[0])}((?:#{lang})[^#{Regexp.escape(@@pair[0])}]*)#{Regexp.escape(@@pair[1])}/ end str=str.split(mask,-1) return s if str.length<=1 vals=[] res=[] inds=0..(str.length / 2 - 1) ".tmp<-NULL".to_R inds.each {|i| res << str[2*i] if str[2*i+1] =~ /^(?:r|R):(.*)/ (".tmp<-cbind(.tmp,"+$1+")").to_R end if str[2*i+1] =~ /^(?:rb|Rb):(.*)/ a=eval($1) a=[a] unless a.is_a? Array a > :tmp (".tmp<-cbind(.tmp,tmp)").to_R end } res << str[-1] #p res cmd="apply(.tmp,1,function(e) paste(" inds.each{|i| cmd += "'"+res[i]+"',e["+i.to_s+"+1]," } cmd += "'"+res[-1]+"',sep=''))" #"print(.tmp)".to_R #p cmd cmd.to_R end |
.pair=(pair) ⇒ Object
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# File 'lib/R4rb/converter.rb', line 20 def R2rb.pair=(pair) if pair.is_a? String pairs={"{"=>"}","("=>")","<"=>">","["=>"]"} pair2=pair.reverse.gsub(/[#{Regexp.escape(pairs.keys.join)}]/) {|e| Regexp.escape(pairs[e])} pair=[pair,pair2] end #p "ICI";p pair if (pair.is_a? Array) and pair.length==2 @@pair=pair end #p @@pair end |
.parse(s, aff = nil) ⇒ Object
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# File 'lib/R4rb/R2rb_eval.rb', line 10 def R2rb.parse(s,aff=nil) s=["{\n"+s+"}\n"] parseLines s,aff end |
.parseLines(cmd, print) ⇒ Object
*************** PARSE *********************
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# File 'ext/R4rb/R4rb.c', line 130
VALUE R2rb_parse(VALUE obj, VALUE cmd,VALUE print)
{
char *cmdString;
int nbCmds;
VALUE tmp;
int status,i;
SEXP text, expr, ans=R_NilValue /* -Wall */;
//printf("Avant parsing\n");
nbCmds=RARRAY_LEN(cmd);
//printf("nbCmds : %d\n",nbCmds);
text = PROTECT(allocVector(STRSXP, nbCmds));
for (i = 0 ; i < nbCmds ; i++) {
tmp=rb_ary_entry(cmd,i);
cmdString=StringValuePtr(tmp);
SET_STRING_ELT(text, i, mkChar(cmdString));
}
expr = PROTECT(RR_ParseVector(text, -1, &status));
if (status != PARSE_OK) {
if (print != Qnil) printf("Parsing error (status=%d) in:\n",status);
for (i = 0 ; i < nbCmds ; i++) {
tmp=rb_ary_entry(cmd,i);
cmdString=StringValuePtr(tmp);
if (print != Qnil) printf("%s\n",cmdString);
}
//UNPROTECT(2);
//return Qfalse;
}
UNPROTECT(2);
//return Qtrue;
return INT2FIX(status);
}
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