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https://github.com/sqlite/sqlite.git
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Add the new -S option to the lemon parser generator to cause it to output
SQL that describes the input grammar. FossilOrigin-Name: 4dbd398d640852d4a696d68c72ee039968023d402a8053b5e6b4ef1d75e982a8
This commit is contained in:
drh
@@ -1052,7 +1052,7 @@ parse.h: parse.c
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parse.c: $(TOP)/src/parse.y lemon$(BEXE)
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cp $(TOP)/src/parse.y .
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./lemon$(BEXE) $(OPT_FEATURE_FLAGS) $(OPTS) parse.y
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./lemon$(BEXE) $(OPT_FEATURE_FLAGS) $(OPTS) -S parse.y
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sqlite3.h: $(TOP)/src/sqlite.h.in $(TOP)/manifest mksourceid$(BEXE) $(TOP)/VERSION
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$(TCLSH_CMD) $(TOP)/tool/mksqlite3h.tcl $(TOP) >sqlite3.h
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@@ -1180,7 +1180,7 @@ FTS5_SRC = \
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fts5parse.c: $(TOP)/ext/fts5/fts5parse.y lemon
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cp $(TOP)/ext/fts5/fts5parse.y .
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rm -f fts5parse.h
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./lemon$(BEXE) $(OPTS) fts5parse.y
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./lemon$(BEXE) $(OPTS) -S fts5parse.y
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fts5parse.h: fts5parse.c
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@@ -2141,7 +2141,7 @@ parse.h: parse.c
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parse.c: $(TOP)\src\parse.y lemon.exe
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del /Q parse.y parse.h parse.h.temp 2>NUL
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copy $(TOP)\src\parse.y .
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.\lemon.exe $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS) $(EXT_FEATURE_FLAGS) $(OPTS) parse.y
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.\lemon.exe $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS) $(EXT_FEATURE_FLAGS) $(OPTS) -S parse.y
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$(SQLITE3H): $(TOP)\src\sqlite.h.in $(TOP)\manifest mksourceid.exe $(TOP)\VERSION
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$(TCLSH_CMD) $(TOP)\tool\mksqlite3h.tcl $(TOP:\=/) > $(SQLITE3H) $(MKSQLITE3H_ARGS)
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@@ -2301,7 +2301,7 @@ LSM1_SRC = \
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fts5parse.c: $(TOP)\ext\fts5\fts5parse.y lemon.exe
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copy $(TOP)\ext\fts5\fts5parse.y .
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del /Q fts5parse.h 2>NUL
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.\lemon.exe $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS) $(EXT_FEATURE_FLAGS) $(OPTS) fts5parse.y
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.\lemon.exe $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS) $(EXT_FEATURE_FLAGS) $(OPTS) -S fts5parse.y
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fts5parse.h: fts5parse.c
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18
manifest
18
manifest
@@ -1,11 +1,11 @@
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C Fix\san\sassert()\sin\sfts3\sthat\scould\sfail\sdue\sto\scorrupt\sdatabase\srecords.
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D 2019-11-26T02:03:16.599
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C Add\sthe\snew\s-S\soption\sto\sthe\slemon\sparser\sgenerator\sto\scause\sit\sto\soutput\nSQL\sthat\sdescribes\sthe\sinput\sgrammar.
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D 2019-11-26T02:22:39.237
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F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
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F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
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F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
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F Makefile.in bf24a9abbb277afa2fbe6bac80a181f22be6c48de771cd260c9851ecf6165dc1
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F Makefile.in d3a862c9742f5a08230a3b295c0a47fd3067f19356dc39935280135f90474b04
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F Makefile.linux-gcc f609543700659711fbd230eced1f01353117621dccae7b9fb70daa64236c5241
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F Makefile.msc c7e3548d5c9dc12bedf47366ca3f1438196f635d81f08fda44c6c1f290c4bcf8
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F Makefile.msc 0b0acbf34bb238170bdf1fd343a1fd37bc81c042ce029c1cc53fe15b5d4ed07b
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F README.md 1514a365ffca3c138e00c5cc839906108a01011a6b082bad19b09781e3aa498a
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F VERSION 081500f0aeaadc989d85aafbc717af45512018aebc73d89e5c2368fe62a600ff
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F aclocal.m4 a5c22d164aff7ed549d53a90fa56d56955281f50
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@@ -1770,7 +1770,7 @@ F tool/genfkey.test b6afd7b825d797a1e1274f519ab5695373552ecad5cd373530c63533638a
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F tool/getlock.c f4c39b651370156cae979501a7b156bdba50e7ce
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F tool/index_usage.c 9ec344d29cbeb03fdc0fce668eedfb7495792170de933adf95cf8d6904a166ad
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F tool/kvtest-speed.sh 4761a9c4b3530907562314d7757995787f7aef8f
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F tool/lemon.c 61d5f0af1eff8f754b75ddca668c9897fd30759e389bfffb42ce9e4d38fd4746
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F tool/lemon.c aff705f55b49fa539b84f6d0268b187fd13073fdea8974eb1e48f46f65ecd711
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F tool/lempar.c 34b136b281ae022277738d8b51061237fb330deaa317010d89375117e3a028aa
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F tool/libvers.c caafc3b689638a1d88d44bc5f526c2278760d9b9
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F tool/loadfts.c c3c64e4d5e90e8ba41159232c2189dba4be7b862
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@@ -1851,7 +1851,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
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F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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P b0b655625cf491c832a259d29a67660b8d5943c201617900a83d0660b2673377
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R 6a3e9607b61fc3aebf23982510da9bef
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U dan
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Z 453598f27a16514babf1153abdc2edcc
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P 5d9a369301a65f320a0696fcf1f062ca5976ef34350590c07aecf5335c66d872
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R 56c7b11c47c4d5d638f60332aad4d82b
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U drh
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Z 3f689fa3f8b556a4e2fda3bc9d802efd
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@@ -1 +1 @@
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5d9a369301a65f320a0696fcf1f062ca5976ef34350590c07aecf5335c66d872
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4dbd398d640852d4a696d68c72ee039968023d402a8053b5e6b4ef1d75e982a8
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79
tool/lemon.c
79
tool/lemon.c
@@ -218,7 +218,7 @@ void Plink_delete(struct plink *);
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/********** From the file "report.h" *************************************/
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void Reprint(struct lemon *);
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void ReportOutput(struct lemon *);
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void ReportTable(struct lemon *, int);
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void ReportTable(struct lemon *, int, int);
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void ReportHeader(struct lemon *);
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void CompressTables(struct lemon *);
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void ResortStates(struct lemon *);
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@@ -1632,6 +1632,7 @@ int main(int argc, char **argv)
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static int mhflag = 0;
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static int nolinenosflag = 0;
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static int noResort = 0;
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static int sqlFlag = 0;
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static struct s_options options[] = {
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{OPT_FLAG, "b", (char*)&basisflag, "Print only the basis in report."},
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@@ -1650,6 +1651,8 @@ int main(int argc, char **argv)
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{OPT_FLAG, "r", (char*)&noResort, "Do not sort or renumber states"},
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{OPT_FLAG, "s", (char*)&statistics,
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"Print parser stats to standard output."},
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{OPT_FLAG, "S", (char*)&sqlFlag,
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"Generate the *.sql file describing the parser tables."},
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{OPT_FLAG, "x", (char*)&version, "Print the version number."},
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{OPT_FSTR, "T", (char*)handle_T_option, "Specify a template file."},
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{OPT_FSTR, "W", 0, "Ignored. (Placeholder for '-W' compiler options.)"},
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@@ -1758,7 +1761,7 @@ int main(int argc, char **argv)
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if( !quiet ) ReportOutput(&lem);
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/* Generate the source code for the parser */
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ReportTable(&lem, mhflag);
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ReportTable(&lem, mhflag, sqlFlag);
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/* Produce a header file for use by the scanner. (This step is
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** omitted if the "-m" option is used because makeheaders will
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@@ -4143,9 +4146,10 @@ static void writeRuleText(FILE *out, struct rule *rp){
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/* Generate C source code for the parser */
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void ReportTable(
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struct lemon *lemp,
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int mhflag /* Output in makeheaders format if true */
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int mhflag, /* Output in makeheaders format if true */
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int sqlFlag /* Generate the *.sql file too */
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){
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FILE *out, *in;
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FILE *out, *in, *sql;
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char line[LINESIZE];
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int lineno;
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struct state *stp;
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@@ -4175,6 +4179,72 @@ void ReportTable(
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fclose(in);
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return;
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}
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if( sqlFlag==0 ){
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sql = 0;
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}else{
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sql = file_open(lemp, ".sql", "wb");
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if( sql==0 ){
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fclose(in);
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fclose(out);
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return;
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}
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fprintf(sql,
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"CREATE TABLE symbol(\n"
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" id INTEGER PRIMARY KEY,\n"
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" name TEXT NOT NULL,\n"
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" isTerminal BOOLEAN NOT NULL,\n"
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" fallback INTEGER REFERENCES symbol\n"
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");\n"
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);
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for(i=0; i<lemp->nsymbol; i++){
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fprintf(sql,
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"INSERT INTO symbol(id,name,isTerminal,fallback)"
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"VALUES(%d,'%s',%s",
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i, lemp->symbols[i]->name,
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i<lemp->nterminal ? "TRUE" : "FALSE"
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);
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if( lemp->symbols[i]->fallback ){
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fprintf(sql, ",%d);\n", lemp->symbols[i]->fallback->index);
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}else{
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fprintf(sql, ",NULL);\n");
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}
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}
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fprintf(sql,
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"CREATE TABLE rule(\n"
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" ruleid INTEGER PRIMARY KEY,\n"
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" lhs INTEGER REFERENCES symbol(id)\n"
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");\n"
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"CREATE TABLE rulerhs(\n"
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" ruleid INTEGER REFERENCES rule(ruleid),\n"
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" pos INTEGER,\n"
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" sym INTEGER REFERENCES symbol(id)\n"
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");\n"
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);
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for(i=0, rp=lemp->rule; rp; rp=rp->next, i++){
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assert( i==rp->iRule );
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fprintf(sql,
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"INSERT INTO rule(ruleid,lhs)VALUES(%d,%d);\n",
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rp->iRule, rp->lhs->index
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);
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for(j=0; j<rp->nrhs; j++){
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struct symbol *sp = rp->rhs[j];
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if( sp->type!=MULTITERMINAL ){
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fprintf(sql,
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"INSERT INTO rulerhs(ruleid,pos,sym)VALUES(%d,%d,%d);\n",
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i,j,sp->index
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);
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}else{
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int k;
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for(k=0; k<sp->nsubsym; k++){
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fprintf(sql,
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"INSERT INTO rulerhs(ruleid,pos,sym)VALUES(%d,%d,%d);\n",
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i,j,sp->subsym[k]->index
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);
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}
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}
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}
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}
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}
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lineno = 1;
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tplt_xfer(lemp->name,in,out,&lineno);
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@@ -4697,6 +4767,7 @@ void ReportTable(
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acttab_free(pActtab);
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fclose(in);
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fclose(out);
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if( sql ) fclose(sql);
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return;
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}
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