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csound_prs.lex
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csound_prs.lex
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%{
/*
csound_prs.lex:
Copyright (C) 2011, 2016
John ffitch
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include "csoundCore.h"
#include "corfile.h"
#define YY_DECL int yylex (CSOUND *csound, yyscan_t yyscanner)
static void comment(yyscan_t);
static void do_comment(yyscan_t);
static void do_include(CSOUND *, int, yyscan_t);
extern int isDir(char *);
static void do_macro_arg(CSOUND *, char *, yyscan_t);
static void do_macro(CSOUND *, char *, yyscan_t);
static void do_umacro(CSOUND *, char *, yyscan_t);
static void do_ifdef(CSOUND *, char *, yyscan_t);
static void do_ifdef_skip_code(CSOUND *, yyscan_t);
//static void print_csound_prsdata(CSOUND *,char *,yyscan_t);
static void csound_prs_line(CORFIL*, yyscan_t);
static void delete_macros(CSOUND*, yyscan_t);
#define MACDEBUG 1
static inline int isNameChar(int cc, int pos)
{
unsigned char c = ((unsigned char) cc);
return (isalpha(c) || (pos && (c == '_' || isdigit(c))));
}
#include "score_param.h"
#define YY_EXTRA_TYPE PRS_PARM *
#define PARM yyget_extra(yyscanner)
#define YY_USER_INIT {csound_prs_scan_string(csound->scorestr->body, yyscanner); \
csound_prsset_lineno(csound->scoLineOffset, yyscanner); \
/*yyg->yy_flex_debug_r=1;*/ PARM->macro_stack_size = 0; \
PARM->alt_stack = NULL; PARM->macro_stack_ptr = 0; \
PARM->cf = csound->expanded_sco; \
}
static MACRO *find_definition(MACRO *, char *);
%}
%option reentrant
%option noyywrap
%option prefix="csound_prs"
%option outfile="Engine/csound_prslex.c"
%option stdout
NEWLINE (\n|\r\n?)
STSTR \"
ESCAPE \\.
IDENT [a-zA-Z_][a-zA-Z0-9_]*
MACRONAME "$"`?[a-zA-Z_][a-zA-Z0-9_`]*
MACRONAMED "$"`?[a-zA-Z_][a-zA-Z0-9_`]*\.
MACRONAMEA "$"`?[a-zA-Z_][a-zA-Z0-9_`]*\(
MACRONAMEDA "$"`?[a-zA-Z_][a-zA-Z0-9_`]*\.\(
MACROB [a-zA-Z_][a-zA-Z0-9_]*\(
MACRO [a-zA-Z_][a-zA-Z0-9_]*
NUMBER [0-9]+\.?[0-9]*([eE][-+]?[0-9]+)?|\.[0-9]+([eE][-+]?[0-9]+)?|0[xX][0-9a-fA-F]+
STCOM \/\*
INCLUDE "#include"
DEFINE #[ \t]*define
UNDEF "#undef"
IFDEF #ifn?def
ELSE #else[ \t]*(;.*)?$
END #end(if)?[ \t]*(;.*)?(\n|\r\n?)
LOOP #loop
EXIT #exit
CONT \\[ \t]*(;.*)?(\n|\r\n?)
SEND [es]
NM [nm]
%X incl
%x macro
%x umacro
%x ifdef
%x lname
%%
{CONT} {
#ifdef SCORE_PARSER
char bb[80];
#endif
csound_prsset_lineno(1+csound_prsget_lineno(yyscanner),
yyscanner);
#ifdef SCORE_PARSER
if (PARM->isString==0) {
sprintf(bb, "#sline %d ", csound_prsget_lineno(yyscanner));
corfile_puts(csound, bb, PARM->cf);
}
#endif
}
{NEWLINE} {
corfile_putc(csound, '\n', PARM->cf);
csound_prsset_lineno(1+csound_prsget_lineno(yyscanner),
yyscanner);
csound_prs_line(PARM->cf, yyscanner);
}
"//" {
if (PARM->isString != 1) {
comment(yyscanner);
corfile_putc(csound, '\n', PARM->cf);
csound_prs_line(PARM->cf, yyscanner);
}
else {
corfile_puts(csound, yytext, PARM->cf);
}
}
";" {
if (PARM->isString != 1) {
comment(yyscanner);
corfile_putc(csound, '\n', PARM->cf);
csound_prs_line(PARM->cf, yyscanner);
}
else {
corfile_puts(csound, yytext, PARM->cf);
}
//corfile_putline(csound_prsget_lineno(yyscanner),
// PARM->cf);
}
{STCOM} {
if (PARM->isString != 1)
do_comment(yyscanner);
else
corfile_puts(csound, yytext, PARM->cf);
}
{ESCAPE} { corfile_puts(csound, yytext, PARM->cf); }
{STSTR} {
corfile_putc(csound, '"', PARM->cf);
PARM->isString = !PARM->isString;
}
{MACRONAME}|{MACRONAMED} {
MACRO *mm = PARM->macros;
mm = find_definition(mm, yytext+1);
if (UNLIKELY(mm == NULL)) {
csound->Message(csound,Str("Undefined macro: '%s'"), yytext);
//csound->LongJmp(csound, 1);
corfile_puts(csound, "$error", PARM->cf);
}
else {
/* Need to read from macro definition */
if (mm->acnt<0) { /* Macro inhibitted */
corfile_puts(csound, yytext, PARM->cf);
}
else {
if (UNLIKELY(PARM->macro_stack_ptr>=
PARM->macro_stack_size)) {
PARM->alt_stack =
(MACRON*)
csound->ReAlloc(csound, PARM->alt_stack,
sizeof(MACRON)*(PARM->macro_stack_size+=10));
if (UNLIKELY(PARM->alt_stack == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
/* csound->DebugMsg(csound, "alt_stack now %d long\n", */
/* PARM->macro_stack_size); */
}
PARM->alt_stack[PARM->macro_stack_ptr].n = 0;
PARM->alt_stack[PARM->macro_stack_ptr].line =
csound_prsget_lineno(yyscanner);
PARM->alt_stack[PARM->macro_stack_ptr++].s = NULL;
yypush_buffer_state(YY_CURRENT_BUFFER, yyscanner);
csound_prsset_lineno(1, yyscanner);
if (UNLIKELY(PARM->depth>1022)) {
csound->Message(csound,
Str("macros/include nested too deep: "));
csound->LongJmp(csound, 1);
}
PARM->lstack[++PARM->depth] =
(strchr(mm->body,'\n') ?file_to_int(csound, yytext) : 63);
yy_scan_string(mm->body, yyscanner);
/* csound->DebugMsg(csound,"%p\n", YY_CURRENT_BUFFER); */
}
}
}
{MACRONAMEA}|{MACRONAMEDA} {
MACRO *mm = PARM->macros;
int err =0;
char *mname;
int c, i, j, cnt=0;
//csound->DebugMsg(csound,"Macro with arguments call %s\n",
// yytext);
yytext[yyleng-1] = '\0';
mm = find_definition(PARM->macros, yytext+1);
if (UNLIKELY(mm == NULL)) {
csound->Message(csound,Str("Undefined macro: '%s'"), yytext);
corfile_puts(csound, "$error", PARM->cf);
//csound->LongJmp(csound, 1);
}
else {
mname = yytext;
/* Need to read from macro definition */
//csound->DebugMsg(csound,"Looking for %d args\n", mm->acnt);
for (j = 0; j < mm->acnt; j++) {
char term = (j == mm->acnt - 1 ? ')' : '\'');
/* Compatability */
char trm1 = (j == mm->acnt - 1 ? ')' : '#');
MACRO *nn = (MACRO*) csound->Malloc(csound, sizeof(MACRO));
//int size = 100;
if (UNLIKELY(nn == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
nn->name = csound->Malloc(csound, strlen(mm->arg[j]) + 1);
if (UNLIKELY(nn->name == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
//csound->DebugMsg(csound,"Arg %d: %s\n", j+1, mm->arg[j]);
strcpy(nn->name, mm->arg[j]);
csound->Message(csound, "defining argument %s ",
nn->name);
i = 0;
nn->body = (char*) csound->Malloc(csound, 100);
if (UNLIKELY(nn->body == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
while (1) {
c = input(yyscanner);
if (cnt==0 && ( c==term || c==trm1)) break;
if (UNLIKELY(cnt==0 && c == ')')) {
csound->Message(csound,
Str("Too few arguments to macro\n"));
corfile_puts(csound, "$error", PARM->cf);
err = 1; break;
}
if (c=='(') cnt++;
if (c==')') cnt--;
if (c == '\\') {
int newc = input(yyscanner);
if (newc != ')') nn ->body[i++] = c;
c = newc;
}
if (UNLIKELY(i > 98)) {
csound->Message(csound,
Str("Missing argument terminator\n%.98s"),
nn->body);
corfile_puts(csound, "$error", PARM->cf);
err = 1; break;
}
nn->body[i++] = c;
/* if (UNLIKELY(i >= size)) { */
/* nn->body = csound->ReAlloc(csound, nn->body, */
/* size += 100); */
/* if (UNLIKELY(nn->body == NULL)) { */
/* csound->Message(csound, Str("Memory exhausted")); */
/* csound->LongJmp(csound, 1); */
/* } */
/* } */
}
nn->body[i] = '\0';
csound->Message(csound, "as...#%s#\n", nn->body);
nn->acnt = 0; /* No arguments for arguments */
nn->next = PARM->macros;
PARM->macros = nn;
}
if (!err) {
//csound->DebugMsg(csound,"New body: ...#%s#\n", mm->body);
if (UNLIKELY(PARM->macro_stack_ptr >=
PARM->macro_stack_size )) {
PARM->alt_stack =
(MACRON*)
csound->ReAlloc(csound, PARM->alt_stack,
sizeof(MACRON)*(PARM->macro_stack_size+=10));
if (UNLIKELY(PARM->alt_stack == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
/* csound->DebugMsg(csound, */
/* "macro_stack extends alt_stack to %d long\n", */
/* PARM->macro_stack_size); */
}
PARM->alt_stack[PARM->macro_stack_ptr].n =
PARM->macros->acnt;
PARM->alt_stack[PARM->macro_stack_ptr].line =
csound_prsget_lineno(yyscanner);
PARM->alt_stack[PARM->macro_stack_ptr++].s = PARM->macros;
PARM->alt_stack[PARM->macro_stack_ptr].n = 0;
PARM->alt_stack[PARM->macro_stack_ptr].line =
csound_prsget_lineno(yyscanner);
/* printf("stacked line = %llu at %d\n", */
/* csound_prsget_lineno(yyscanner), */
/* PARM->macro_stack_ptr-1); */
PARM->alt_stack[PARM->macro_stack_ptr].s = NULL;
//csound->DebugMsg(csound,"Push %p macro stack\n",
// PARM->macros);
yypush_buffer_state(YY_CURRENT_BUFFER, yyscanner);
csound_prsset_lineno(1, yyscanner);
if (UNLIKELY(PARM->depth>1022)) {
csound->Message(csound,
Str("macros/include nested too deep: "));
//csound->LongJmp(csound, 1);
corfile_puts(csound, "$error", PARM->cf);
err = 1;
}
}
if (!err) {
PARM->lstack[++PARM->depth] =
(strchr(mm->body,'\n') ?file_to_int(csound, mname) : 63);
yy_scan_string(mm->body, yyscanner);
}
}
}
{INCLUDE} {
if (PARM->isString != 1)
BEGIN(incl);
else
corfile_puts(csound, yytext, PARM->cf);
}
<incl>[ \t]* /* eat the whitespace */
<incl>. { /* got the include file name */
do_include(csound, yytext[0], yyscanner);
BEGIN(INITIAL);
}
{EXIT} {
//printf("exit found: >>>%s<<<\n", PARM->cf->body);
corfile_putc(csound, '\0', PARM->cf);
corfile_putc(csound, '\0', PARM->cf);
delete_macros(csound, yyscanner);
return 0;
}
<<EOF>> {
MACRO *x, *y=NULL;
int n;
csound->DebugMsg(csound,"*********Leaving buffer %p\n",
YY_CURRENT_BUFFER);
yypop_buffer_state(yyscanner);
PARM->depth--;
if (UNLIKELY(PARM->depth > 1024)) {
//csound->Die(csound, Str("unexpected EOF!!"));
csound->Message(csound, Str("unexpected EOF!!\n"));
csound->LongJmp(csound, 1);
}
PARM->llocn = PARM->locn; PARM->locn = make_location(PARM);
csound->DebugMsg(csound,"csound-prs(%d): loc=%u; lastloc=%u\n",
__LINE__, PARM->llocn, PARM->locn);
if ( !YY_CURRENT_BUFFER ) yyterminate();
csound->DebugMsg(csound,"End of input; popping to %p\n",
YY_CURRENT_BUFFER);
csound_prs_line(PARM->cf, yyscanner);
n = PARM->alt_stack[--PARM->macro_stack_ptr].n;
/* printf("lineno on stack is %llu\n", */
/* PARM->alt_stack[PARM->macro_stack_ptr].line); */
csound->DebugMsg(csound,"n=%d\n", n);
if (n!=0) {
/* We need to delete n macros starting with y */
y = PARM->alt_stack[PARM->macro_stack_ptr].s;
x = PARM->macros;
if (x==y) {
while (n>0) {
mfree(csound, y->name); x=y->next;
mfree(csound, y); y=x; n--;
}
PARM->macros = x;
}
else {
MACRO *nxt = y->next;
while (x->next != y) x = x->next;
while (n>0) {
nxt = y->next;
mfree(csound, y->name); mfree(csound, y); y=nxt; n--;
}
x->next = nxt;
}
y->next = x;
}
csound_prsset_lineno(PARM->alt_stack[PARM->macro_stack_ptr].line,
yyscanner);
csound->DebugMsg(csound, "csound_prs(%d): line now %d at %d\n",
__LINE__,
csound_prsget_lineno(yyscanner),
PARM->macro_stack_ptr);
csound->DebugMsg(csound,
"End of input segment: macro pop %p -> %p\n",
y, PARM->macros);
csound_prsset_lineno(PARM->alt_stack[PARM->macro_stack_ptr].line,
yyscanner);
//print_csound_prsdata(csound,"Before prs_line", yyscanner);
csound_prs_line(PARM->cf, yyscanner);
//print_csound_prsdata(csound,"After prs_line", yyscanner);
}
{DEFINE} {
if (PARM->isString != 1)
BEGIN(macro);
else
corfile_puts(csound, yytext, PARM->cf);
}
<macro>[ \t]* /* eat the whitespace */
<macro>{MACROB} {
yytext[yyleng-1] = '\0';
csound->DebugMsg(csound,"Define macro with args %s\n",
yytext);
/* print_csound_prsdata(csound, "Before do_macro_arg",
yyscanner); */
do_macro_arg(csound, yytext, yyscanner);
//print_csound_prsdata(csound,"After do_macro_arg", yyscanner);
BEGIN(INITIAL);
}
<macro>{MACRO} {
csound->DebugMsg(csound,"Define macro %s\n", yytext);
/* print_csound_prsdata(csound,"Before do_macro", yyscanner); */
do_macro(csound, yytext, yyscanner);
//print_csound_prsdata(csound,"After do_macro", yyscanner);
BEGIN(INITIAL);
}
<macro>. { csound->Message(csound,
Str("Unexpected character %c(%.2x) line %d\n"),
yytext[0], yytext[0],
csound_prsget_lineno(yyscanner));
csound->LongJmp(csound, 1);
}
{UNDEF} {
if (PARM->isString != 1)
BEGIN(umacro);
else
corfile_puts(csound, yytext, PARM->cf);
}
<umacro>[ \t]* /* eat the whitespace */
<umacro>{MACRO} {
csound->DebugMsg(csound,"Undefine macro %s\n", yytext);
do_umacro(csound, yytext, yyscanner);
BEGIN(INITIAL);
}
{IFDEF} {
if (PARM->isString != 1) {
PARM->isIfndef = (yytext[3] == 'n'); /* #ifdef or #ifndef */
csound_prsset_lineno(1+csound_prsget_lineno(yyscanner),
yyscanner);
corfile_putc(csound, '\n', PARM->cf);
csound_prs_line(PARM->cf, yyscanner);
BEGIN(ifdef);
}
else {
corfile_puts(csound, yytext, PARM->cf);
}
}
<ifdef>[ \t]* /* eat the whitespace */
<ifdef>{IDENT} {
do_ifdef(csound, yytext, yyscanner);
BEGIN(INITIAL);
}
{ELSE} {
if (PARM->isString != 1) {
if (UNLIKELY(PARM->ifdefStack == NULL)) {
csound->Message(csound, Str("#else without #if\n"));
csound->LongJmp(csound, 1);
}
else if (UNLIKELY(PARM->ifdefStack->isElse)) {
csound->Message(csound, Str("#else after #else\n"));
csound->LongJmp(csound, 1);
}
PARM->ifdefStack->isElse = 1;
csound_prsset_lineno(1+csound_prsget_lineno(yyscanner),
yyscanner);
corfile_putc(csound, '\n', PARM->cf);
csound_prs_line(PARM->cf, yyscanner);
do_ifdef_skip_code(csound, yyscanner);
}
else {
corfile_puts(csound, yytext, PARM->cf);
}
}
{END} {
if (PARM->isString != 1) {
IFDEFSTACK *pp = PARM->ifdefStack;
if (UNLIKELY(pp == NULL)) {
csound->Message(csound, Str("Unmatched #end\n"));
csound->LongJmp(csound, 1);
}
PARM->ifdefStack = pp->prv;
csound_prsset_lineno(1+csound_prsget_lineno(yyscanner),
yyscanner);
corfile_putc(csound, '\n', PARM->cf);
csound_prs_line(PARM->cf, yyscanner);
mfree(csound, pp);
}
else {
corfile_puts(csound, yytext, PARM->cf);
}
}
{NM} {
corfile_putc(csound, yytext[0], PARM->cf);
if (!PARM->isString) BEGIN(lname);
}
<lname>[ \t]* /* eat the whitespace */
<lname>{IDENT} {
corfile_putc(csound, ' ', PARM->cf);
corfile_puts(csound, yytext, PARM->cf);
BEGIN(INITIAL);
}
"{" {
int c, i;
PARM->repeat_index++;
if (UNLIKELY(PARM->repeat_index >= RPTDEPTH))
csound->Die(csound, Str("Loops are nested too deeply"));
PARM->repeat_mm_n[PARM->repeat_index] =
(MACRO*)csound->Malloc(csound, sizeof(MACRO));
if (UNLIKELY(PARM->repeat_mm_n[PARM->repeat_index] == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
PARM->repeat_cnt_n[PARM->repeat_index] = 0;
do {
c = input(yyscanner);
} while (isblank(c));
if (c=='$') { // macro to yield count
char buf[256];
int i=0;
MACRO* mm;
//printf("*** macro count\n");
while (!isblank(c=input(yyscanner)) && c!='.') {
buf[i++] = c;
}
if (c=='.') c = input(yyscanner);
buf[i] = '\0';
//printf("*** lookup macro %s\n", buf);
if ((mm = find_definition(PARM->macros, buf))==NULL) {
csound->Message(csound,Str("Undefined macro: '%s'"), yytext);
//csound->LongJmp(csound, 1);
corfile_puts(csound, "$error", PARM->cf);
PARM->repeat_cnt_n[PARM->repeat_index] = 0;
}
else
PARM->repeat_cnt_n[PARM->repeat_index] =
atoi(mm->body);
}
else {
while (isdigit(c)) {
PARM->repeat_cnt_n[PARM->repeat_index] =
10 * PARM->repeat_cnt_n[PARM->repeat_index] + c - '0';
c = input(yyscanner);
}
}
if (UNLIKELY(PARM->repeat_cnt_n[PARM->repeat_index] <= 0
|| !isspace(c)))
csound->Die(csound, Str("{: invalid repeat count"));
if (PARM->repeat_index > 1) {
char st[41];
int j;
for (j = 0; j < PARM->repeat_index; j++) {
st[j] = ' ';
st[j+1] = '\0';
}
if (UNLIKELY(csound->oparms->odebug))
csound->Message(csound, Str("%s Nested LOOP=%d Level:%d\n"),
st, PARM->repeat_cnt_n[PARM->repeat_index],
PARM->repeat_index);
}
else {
if (UNLIKELY(csound->oparms->odebug))
csound->Message(csound, Str("External LOOP=%d Level:%d\n"),
PARM->repeat_cnt_n[PARM->repeat_index],
PARM->repeat_index);
}
while (isblank(c)) {
c = input(yyscanner);
}
for (i = 0; isNameChar(c, i) && i < (NAMELEN-1); i++) {
PARM->repeat_name_n[PARM->repeat_index][i] = c;
c = input(yyscanner);
}
PARM->repeat_name_n[PARM->repeat_index][i] = '\0';
unput(c);
/* Define macro for counter */
PARM->repeat_mm_n[PARM->repeat_index]->name =
csound->Malloc(csound,
strlen(PARM->repeat_name_n[PARM->repeat_index])+1);
if (UNLIKELY(PARM->repeat_mm_n[PARM->repeat_index]->name==NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
strcpy(PARM->repeat_mm_n[PARM->repeat_index]->name,
PARM->repeat_name_n[PARM->repeat_index]);
PARM->repeat_mm_n[PARM->repeat_index]->acnt = -1;
PARM->repeat_mm_n[PARM->repeat_index]->body =
csound->Calloc(csound, 16); // ensure nulls
PARM->repeat_mm_n[PARM->repeat_index]->body[0] = '0';
PARM->repeat_indx[PARM->repeat_index] = 0;
csound->DebugMsg(csound,"csound_prs(%d): repeat %s zero %p\n",
__LINE__,
PARM->repeat_name_n[PARM->repeat_index],
PARM->repeat_mm_n[PARM->repeat_index]->body);
PARM->repeat_mm_n[PARM->repeat_index]->next = PARM->macros;
PARM->macros = PARM->repeat_mm_n[PARM->repeat_index];
while (input(yyscanner)!='\n') {}
PARM->cf_stack[PARM->repeat_index] = PARM->cf;
PARM->cf = corfile_create_w(csound);
}
"}" {
int temp;
CORFIL *bdy = PARM->cf;
if (UNLIKELY((temp=PARM->repeat_cnt_n[PARM->repeat_index])==0)) {
csound->Message(csound, Str("unmatched } in score\n"));
csound->LongJmp(csound, 1);
}
corfile_puts(csound, "#loop", PARM->cf);
corfile_putc(csound, '\0', PARM->cf);
corfile_putc(csound, '\0', PARM->cf);
PARM->cf = PARM->cf_stack[PARM->repeat_index];
//printf("****Repeat body\n>>>%s<<<\n", bdy->body);
PARM->repeat_mm_n[PARM->repeat_index]->acnt = 0; /* uninhibit */
if (UNLIKELY(PARM->macro_stack_ptr >= PARM->macro_stack_size )) {
PARM->alt_stack =
(MACRON*)csound->ReAlloc(csound, PARM->alt_stack,
sizeof(MACRON)*(PARM->macro_stack_size+=10));
if (UNLIKELY(PARM->alt_stack == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
}
csound->DebugMsg(csound,"csound_ps(%d): stacking line %d at %d\n",
__LINE__,
csound_prsget_lineno(yyscanner),PARM->macro_stack_ptr);
PARM->alt_stack[PARM->macro_stack_ptr].n = 0;
PARM->alt_stack[PARM->macro_stack_ptr].line =
csound_prsget_lineno(yyscanner);
PARM->alt_stack[PARM->macro_stack_ptr++].s = NULL;
PARM->depth++;
csound_prspush_buffer_state(YY_CURRENT_BUFFER, yyscanner);
csound_prs_scan_string(bdy->body, yyscanner);
PARM->cf_stack[PARM->repeat_index] = bdy;
}
{LOOP} {
//printf("#loop found\n");
yypop_buffer_state(yyscanner);
PARM->depth--;
PARM->llocn = PARM->locn; PARM->locn = make_location(PARM);
/* printf("Loop structures: count = %d, name = %s, indx = %d\n", */
/* PARM->repeat_cnt_n[PARM->repeat_index], */
/* PARM->repeat_name_n[PARM->repeat_index], */
/* PARM->repeat_indx[PARM->repeat_index]); */
if (++PARM->repeat_indx[PARM->repeat_index] !=
PARM->repeat_cnt_n[PARM->repeat_index]) {
snprintf(PARM->repeat_mm_n[PARM->repeat_index]->body, 16, "%d",
PARM->repeat_indx[PARM->repeat_index]);
//printf(">>%s<<\n", PARM->cf_stack[PARM->repeat_index]->body);
PARM->depth++;
csound_prspush_buffer_state(YY_CURRENT_BUFFER, yyscanner);
csound_prs_scan_string(PARM->cf_stack[PARM->repeat_index]->body,
yyscanner);
}
else {
//printf("*** end loop\n");
//printf(">>%s<<\n", PARM->cf->body);
corfile_rm(csound, &PARM->cf_stack[PARM->repeat_index]);
PARM->repeat_index--;
}
}
"r" {
if (PARM->isString) corfile_putc(csound, 'r', PARM->cf);
else {
int c, i;
char buff[120];
corfile_putc(csound, 's', PARM->cf);
corfile_putc(csound, '\n', PARM->cf);
//printf("r detected\n");
if (UNLIKELY(PARM->in_repeat_sect))
csound->Die(csound, Str("Section loops cannot be nested"));
PARM->repeat_sect_cnt = 0;
PARM->in_repeat_sect = 1; /* Mark as recording */
do {
c = input(yyscanner);
} while (isblank(c));
while (isdigit(c)) {
PARM->repeat_sect_cnt =
10 * PARM->repeat_sect_cnt + c - '0';
c = input(yyscanner);
}
if (UNLIKELY(PARM->repeat_sect_cnt <= 0
|| !isspace(c)))
csound->Die(csound, Str("r: invalid repeat count"));
if (UNLIKELY(csound->oparms->odebug))
csound->Message(csound, Str("r LOOP=%d\n"), PARM->repeat_sect_cnt);
while (isblank(c)) {
c = input(yyscanner);
}
if (!isalpha(c)) { //no macro
//printf("No macro\n");
PARM->repeat_sect_mm =NULL;
}
else {
for (i = 0; isNameChar(c, i) && i < (NAMELEN-1); i++) {
buff[i] = c;
c = input(yyscanner);
}
PARM->repeat_sect_mm =
(MACRO*)csound->Malloc(csound, sizeof(MACRO));
if (UNLIKELY(PARM->repeat_sect_mm== NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
buff[i] = '\0';
printf("macro name %s\n", buff);
/* Define macro for counter */
PARM->repeat_sect_mm->name = cs_strdup(csound, buff);
PARM->repeat_sect_mm->acnt = -1; /* inhibit */
PARM->repeat_sect_mm->body = csound->Calloc(csound, 16);
PARM->repeat_sect_mm->body[0] = '0';
//csound->DebugMsg(csound,"repeat %s zero %s\n",
// buff, PARM->repeat_sect_mm->body);
PARM->repeat_sect_mm->next = PARM->macros; /* add to chain */
PARM->macros = PARM->repeat_sect_mm;
}
unput(c);
PARM->repeat_sect_line = PARM->line;
PARM->repeat_sect_index = 0;
while (input(yyscanner)!='\n') {}
PARM->repeat_sect_cf = PARM->cf;
PARM->cf = corfile_create_w(csound);
}
}
{SEND} {
if (!PARM->isString) {
//printf("section end %d %c\n%s\n",
// PARM->in_repeat_sect,yytext[0], PARM->cf->body);
if (PARM->in_repeat_sect==1) {
corfile_putc(csound, 's', PARM->cf);
while (1) {
int c = input(yyscanner);
if (c=='\n') break;
if (!isspace(c)&&!isdigit(c)) { unput(c); break;}
corfile_putc(csound, c, PARM->cf);
}
corfile_putc(csound, '\n', PARM->cf);
unput(yytext[0]);
PARM->in_repeat_sect=2;
//printf("****Repeat body\n>>>%s<<<\n", PARM->cf->body);
if (PARM->repeat_sect_mm)
PARM->repeat_sect_mm->acnt = 0; /* uninhibit */
csound_prspush_buffer_state(YY_CURRENT_BUFFER, yyscanner);
csound_prs_scan_string(PARM->cf->body, yyscanner);
{ CORFIL *tmp = PARM->cf; PARM->cf = PARM->repeat_sect_cf;
PARM->repeat_sect_cf = tmp; }
PARM->line = PARM->repeat_sect_line;
}
else if (PARM->in_repeat_sect==2) {
corfile_putc(csound, 's', PARM->cf);
while (1) {
int c = input(yyscanner);
if (c=='\n') break;
corfile_putc(csound, c, PARM->cf);
}
corfile_putc(csound, '\n', PARM->cf);
yypop_buffer_state(yyscanner);
PARM->llocn = PARM->locn; PARM->locn = make_location(PARM);
//printf("repeat section %d %d\n",
// PARM->repeat_sect_index,PARM->repeat_sect_cnt);
PARM->repeat_sect_index++;
if (PARM->repeat_sect_index<PARM->repeat_sect_cnt) {
if (PARM->repeat_sect_mm) {
snprintf(PARM->repeat_sect_mm->body, 16, "%d",
PARM->repeat_sect_index);
//printf("%s now %s\n",
// PARM->repeat_sect_mm->name,PARM->repeat_sect_mm->body);
}
csound_prspush_buffer_state(YY_CURRENT_BUFFER, yyscanner);
csound_prs_scan_string(PARM->repeat_sect_cf->body, yyscanner);
PARM->line = PARM->repeat_sect_line;
}
else {
/* corfile_putc(csound, yytext[0], PARM->cf); */
/* corfile_putc(csound, '\n', PARM->cf); */
//printf("end of loop\n");
PARM->in_repeat_sect=0;
corfile_rm(csound, &PARM->repeat_sect_cf);
//csound->Free(csound, PARM->repeat_sect_mm->body);
//PARM->repeat_sect_mm->body = NULL;
}
}
else {
corfile_putc(csound, yytext[0], PARM->cf);
/* while (1) { */
/* int c = input(yyscanner); */
/* printf("**copy %.2x(%c)\n", c, c); */
/* corfile_putc(csound, c, PARM->cf); */
/* if (c=='\n') break; */
/* if (c=='\0') break; */
/* } */
}
}
else corfile_putc(csound, yytext[0], PARM->cf);
}
. { corfile_putc(csound, yytext[0], PARM->cf); }
%%
static void comment(yyscan_t yyscanner) /* Skip until nextline */
{
char c;
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
while ((c = input(yyscanner)) != '\n' && c != '\r') { /* skip */
if (UNLIKELY((int)c == EOF)) {
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
YY_BUFFER_EOF_PENDING;
return;
}
}
if (c == '\r' && (c = input(yyscanner)) != '\n') {
if (LIKELY((int)c != EOF))
unput(c);
else
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
YY_BUFFER_EOF_PENDING;
}
csound_prsset_lineno(1+csound_prsget_lineno(yyscanner),yyscanner);
}
static void do_comment(yyscan_t yyscanner) /* Skip until * and / chars */
{
int c;
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
TOP:
c = input(yyscanner);
switch (c) {
NL:
case '\n':
csound_prsset_lineno(1+csound_prsget_lineno(yyscanner),yyscanner);
goto TOP;
case '*':
AST:
c = input(yyscanner);
switch (c) {
case '*':
goto AST;
case '\n':
goto NL;
case '/':
return;
case EOF:
goto ERR;
default:
goto TOP;
}
case EOF:
ERR:
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
YY_BUFFER_EOF_PENDING;
return;
default:
goto TOP;
}
}
static void do_include(CSOUND *csound, int term, yyscan_t yyscanner)
{
char buffer[100];
int p=0;
int c;
CORFIL *cf;
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
while ((c=input(yyscanner))!=term) {
if (c=='\n' || c==EOF) {
csound->Warning(csound, Str("Ill formed #include ignored"));
return;
}
buffer[p] = c;
p++;
}
buffer[p] = '\0';
while ((c=input(yyscanner))!='\n');
if (UNLIKELY(PARM->depth++>=1024)) {
csound->Die(csound, Str("Includes nested too deeply"));
}
csound_prsset_lineno(1+csound_prsget_lineno(yyscanner), yyscanner);
csound->DebugMsg(csound,"line %d at end of #include line\n",
csound_prsget_lineno(yyscanner));
{
uint8_t n = file_to_int(csound, buffer);
//char bb[128];
PARM->lstack[PARM->depth] = n;
//sprintf(bb, "#source %llu\n", PARM->locn = make_location(PARM));
PARM->llocn = PARM->locn;
#ifdef SCORE_PARSER
//corfile_puts(csound, bb, PARM->cf);
#endif
}
csound->DebugMsg(csound,"reading included file \"%s\"\n", buffer);
if (UNLIKELY(isDir(buffer)))
csound->Warning(csound, Str("%s is a directory; not including"), buffer);
cf = copy_to_corefile(csound, buffer, "INCDIR", 0);
if (UNLIKELY(cf == NULL))
csound->Die(csound,
Str("Cannot open #include'd file %s\n"), buffer);
if (UNLIKELY(PARM->macro_stack_ptr >= PARM->macro_stack_size )) {
PARM->alt_stack =
(MACRON*) csound->ReAlloc(csound, PARM->alt_stack,
sizeof(MACRON)*(PARM->macro_stack_size+=10));
if (UNLIKELY(PARM->alt_stack == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
/* csound->DebugMsg(csound, "alt_stack now %d long, \n", */
/* PARM->macro_stack_size); */
}
csound->DebugMsg(csound,"csound_prs(%d): stacking line %d at %d\n", __LINE__,
csound_prsget_lineno(yyscanner),PARM->macro_stack_ptr);
PARM->alt_stack[PARM->macro_stack_ptr].n = 0;
PARM->alt_stack[PARM->macro_stack_ptr].line = csound_prsget_lineno(yyscanner);
PARM->alt_stack[PARM->macro_stack_ptr++].s = NULL;
csound_prspush_buffer_state(YY_CURRENT_BUFFER, yyscanner);
csound_prs_scan_string(cf->body, yyscanner);
corfile_rm(csound, &cf);
csound->DebugMsg(csound,"Set line number to 1\n");
csound_prsset_lineno(1, yyscanner);
}
static void do_macro_arg(CSOUND *csound, char *name0, yyscan_t yyscanner)
{
MACRO *mm = (MACRO*) csound->Malloc(csound, sizeof(MACRO));
int arg = 0, i, c;
int size = 100;
int mlen = 40;
char *q = name0;
char *mname = malloc(mlen);
if (UNLIKELY(mm == NULL||mname == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
mm->margs = MARGS; /* Initial size */
mm->name = (char*)csound->Malloc(csound, strlen(name0) + 1);
if (UNLIKELY(mm->name == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
strcpy(mm->name, name0);
do {
i = 0;
q = name0;
mname[i++] = '`';
while ((c = *q++)) {
mname[i++] = c;
if (UNLIKELY(i==mlen))
mname = (char *)realloc(mname, mlen+=40);
if (UNLIKELY(mname == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
}
mname[i++] = '`';
if (UNLIKELY(i==mlen)) {
mname = (char *)realloc(mname, mlen+=40);
if (UNLIKELY(mname == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
}
mname[i++] = '`';
if (UNLIKELY(i==mlen)) {
mname = (char *)realloc(mname, mlen+=40);
if (UNLIKELY(mname == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
}
while (isspace((c = input(yyscanner))));
while (isNameChar(c, i)) {
mname[i++] = c;
if (UNLIKELY(i==mlen)) {
mname = (char *)realloc(mname, mlen+=40);
if (UNLIKELY(mname == NULL)) {
csound->Message(csound, Str("Memory exhausted"));
csound->LongJmp(csound, 1);
}
}
c = input(yyscanner);
}
mname[i] = '\0';
mm->arg[arg] = csound->Malloc(csound, i + 1);
if (UNLIKELY(mm->arg[arg] == NULL)) {