/[svn]/linuxsampler/trunk/scripts/generate_instrument_script_parser.sh
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linuxsampler/trunk/scripts/generate_parser.sh revision 2534 by schoenebeck, Sun Mar 9 21:34:03 2014 UTC linuxsampler/trunk/scripts/generate_instrument_script_parser.sh revision 2581 by schoenebeck, Fri May 30 12:48:05 2014 UTC
# Line 1  Line 1 
1  #!/bin/sh  #!/bin/sh
2  #  #
3  # Generates the LSCP parser's C++ source files (src/network/lscpparser.cpp and  # Generates the instrument script parser's C++ source files
4  # src/network/lscpsymbols.h) according to the LSCP (BNF) grammar definition  # (parser.h, parser.cpp and scanner.cpp in and src/scriptvm/) according to the
5  # given by src/network/lscp.y  # instrument script (BNF) grammar definition given by src/scriptvm/parser.y and
6    # the terminal symbol scanner/lexer defintion given by src/scriptvm/scanner.l
7    
8  SCRIPTS_DIR=`dirname $0`  SCRIPTS_DIR=`dirname $0`
9  NETWORK_SRC_DIR="$SCRIPTS_DIR/../src/network"  PARSER_SRC_DIR="$SCRIPTS_DIR/../src/scriptvm"
10    
11    echo -n "Searching for lexer and parser generator..."
12    
13    LEX_CMD=NONE
14    if which "flex" > /dev/null; then
15        LEX_CMD=`which flex`
16    elif which "lex" > /dev/null; then
17        LEX_CMD=`which lex`
18    else
19        echo "Error: You need lex (or flex) to generate the instrument script parser !"
20        exit -1
21    fi
22    
 echo -n "Searching for a parser generator..."  
23  YACC_CMD=NONE  YACC_CMD=NONE
24  if which "bison" > /dev/null; then  if which "bison" > /dev/null; then
25      YACC_CMD="`which bison` -y"      YACC_CMD="`which bison` -y"
26  elif which "yacc" > /dev/null; then  elif which "yacc" > /dev/null; then
27      YACC_CMD=`which yacc`      YACC_CMD=`which yacc`
28  else  else
29      echo "Error: You need yacc (or bison) to generate the LSCP parser !"      echo "Error: You need yacc (or bison) to generate the instrument script parser !"
30      exit -1      exit -1
31  fi  fi
 echo "OK ($YACC_CMD)"  
32    
33  echo "Generating LSCP parser..."  echo "OK ($LEX_CMD, $YACC_CMD)"
34    
35    echo -n "Generating instrument script parser ... "
36  (  (
37      cd $NETWORK_SRC_DIR      cd $PARSER_SRC_DIR
     $YACC_CMD -d lscp.y  
     $YACC_CMD lscp.y  
     mv -f y.tab.h lscpsymbols.h  
     mv -f y.tab.c lscpparser.cpp  
 )  
 echo "Done"  
38    
39  echo -n "Updating Documentation/lscp.xml..."      $LEX_CMD scanner.l
40  (cd $SCRIPTS_DIR && ./update_grammar.pl)      #mv -f lex.yy.c scanner.cpp
41  echo "Done"      mv -f lex.InstrScript_.c scanner.cpp
42    
43  echo -n "Generating src/network/lscp_shell_reference.cpp..."      $YACC_CMD -d parser.y
44  (cd $SCRIPTS_DIR && ./generate_lscp_shell_reference.pl)      $YACC_CMD parser.y
45        mv -f y.tab.h parser.h
46        mv -f y.tab.c parser.cpp
47    )
48  echo "Done"  echo "Done"
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