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Add the "%token" control to the lemon parser. Not currently used by SQLite.

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FossilOrigin-Name: a6e4c5ae8f29bc2e7f2088426341254e9281d19db9dc9a14abc376d56dad4c4b
This commit is contained in:
drh
2017-08-02 03:21:11 +00:00
parent 0019881e08
commit 59c435a015
3 changed files with 31 additions and 8 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Faster\simplementation\sof\sresolveP2Values(). C Add\sthe\s"%token"\scontrol\sto\sthe\slemon\sparser.\s\sNot\scurrently\sused\sby\sSQLite.
D 2017-08-02T02:46:43.052 D 2017-08-02T03:21:11.634
F Makefile.in d9873c9925917cca9990ee24be17eb9613a668012c85a343aef7e5536ae266e8 F Makefile.in d9873c9925917cca9990ee24be17eb9613a668012c85a343aef7e5536ae266e8
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc 02b469e9dcd5b7ee63fc1fb05babc174260ee4cfa4e0ef2e48c3c6801567a016 F Makefile.msc 02b469e9dcd5b7ee63fc1fb05babc174260ee4cfa4e0ef2e48c3c6801567a016
@ -1564,7 +1564,7 @@ F tool/genfkey.README cf68fddd4643bbe3ff8e31b8b6d8b0a1b85e20f4
F tool/genfkey.test 4196a8928b78f51d54ef58e99e99401ab2f0a7e5 F tool/genfkey.test 4196a8928b78f51d54ef58e99e99401ab2f0a7e5
F tool/getlock.c f4c39b651370156cae979501a7b156bdba50e7ce F tool/getlock.c f4c39b651370156cae979501a7b156bdba50e7ce
F tool/kvtest-speed.sh 4761a9c4b3530907562314d7757995787f7aef8f F tool/kvtest-speed.sh 4761a9c4b3530907562314d7757995787f7aef8f
F tool/lemon.c 5a04dff28578a67415cea5bf981b893c50cebfdd4388fb21254d1892525edfd8 F tool/lemon.c e6056373044d55296d21f81467dba7632bbb81dc49af072b3f0e76338771497e
F tool/lempar.c 10579a61dc2290182725e7abdefe311dd8b521a8f7f0aabbfc571e9012a09eaf F tool/lempar.c 10579a61dc2290182725e7abdefe311dd8b521a8f7f0aabbfc571e9012a09eaf
F tool/libvers.c caafc3b689638a1d88d44bc5f526c2278760d9b9 F tool/libvers.c caafc3b689638a1d88d44bc5f526c2278760d9b9
F tool/loadfts.c c3c64e4d5e90e8ba41159232c2189dba4be7b862 F tool/loadfts.c c3c64e4d5e90e8ba41159232c2189dba4be7b862
@ -1640,7 +1640,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 436a89b91901851ce21bf0cb997291b48888c52788b904822083d8dfac32b84b P 82e46fe0d497f871e652a579f25e77de7ef05d56484418961a1296f65f19415e
R 8f124303feac23f1db170c2d495f87ca R 0bde291cb23e7d07a8d60315e9f12ad7
U drh U drh
Z b5679bcf5a11ae0ca338d3d7ebf72479 Z d6f72abd78388d81bef7f991d66fd8f3

2
manifest.uuid
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@ -1 +1 @@
82e46fe0d497f871e652a579f25e77de7ef05d56484418961a1296f65f19415e a6e4c5ae8f29bc2e7f2088426341254e9281d19db9dc9a14abc376d56dad4c4b

25
tool/lemon.c
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@ -2155,7 +2155,8 @@ enum e_state {
WAITING_FOR_FALLBACK_ID, WAITING_FOR_FALLBACK_ID,
WAITING_FOR_WILDCARD_ID, WAITING_FOR_WILDCARD_ID,
WAITING_FOR_CLASS_ID, WAITING_FOR_CLASS_ID,
WAITING_FOR_CLASS_TOKEN WAITING_FOR_CLASS_TOKEN,
WAITING_FOR_TOKEN_NAME
}; };
struct pstate { struct pstate {
char *filename; /* Name of the input file */ char *filename; /* Name of the input file */
@ -2470,6 +2471,8 @@ to follow the previous rule.");
}else if( strcmp(x,"fallback")==0 ){ }else if( strcmp(x,"fallback")==0 ){
psp->fallback = 0; psp->fallback = 0;
psp->state = WAITING_FOR_FALLBACK_ID; psp->state = WAITING_FOR_FALLBACK_ID;
}else if( strcmp(x,"token")==0 ){
psp->state = WAITING_FOR_TOKEN_NAME;
}else if( strcmp(x,"wildcard")==0 ){ }else if( strcmp(x,"wildcard")==0 ){
psp->state = WAITING_FOR_WILDCARD_ID; psp->state = WAITING_FOR_WILDCARD_ID;
}else if( strcmp(x,"token_class")==0 ){ }else if( strcmp(x,"token_class")==0 ){
@ -2624,6 +2627,26 @@ to follow the previous rule.");
} }
} }
break; break;
case WAITING_FOR_TOKEN_NAME:
/* Tokens do not have to be declared before use. But they can be
** in order to control their assigned integer number. The number for
** each token is assigned when it is first seen. So by including
**
** %token ONE TWO THREE
**
** early in the grammar file, that assigns small consecutive values
** to each of the tokens ONE TWO and THREE.
*/
if( x[0]=='.' ){
psp->state = WAITING_FOR_DECL_OR_RULE;
}else if( !ISUPPER(x[0]) ){
ErrorMsg(psp->filename, psp->tokenlineno,
"%%token argument \"%s\" should be a token", x);
psp->errorcnt++;
}else{
(void)Symbol_new(x);
}
break;
case WAITING_FOR_WILDCARD_ID: case WAITING_FOR_WILDCARD_ID:
if( x[0]=='.' ){ if( x[0]=='.' ){
psp->state = WAITING_FOR_DECL_OR_RULE; psp->state = WAITING_FOR_DECL_OR_RULE;