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Fix operator precedence, closes #101

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Dale Weiler 2013-03-09 04:25:02 +00:00
parent 662612d66f
commit 73c085a461
1 changed files with 10 additions and 8 deletions
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18
lexer.h
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@ -166,18 +166,21 @@ typedef struct {
static const oper_info c_operators[] = {
{ "(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX}, /* paren expression - non function call */
{ "++", 1, opid3('S','+','+'), ASSOC_LEFT, 15, OP_SUFFIX},
{ "--", 1, opid3('S','-','-'), ASSOC_LEFT, 15, OP_SUFFIX},
{ ".", 2, opid1('.'), ASSOC_LEFT, 15, 0 },
{ "(", 0, opid1('('), ASSOC_LEFT, 15, 0 }, /* function call */
{ "[", 2, opid1('['), ASSOC_LEFT, 15, 0 }, /* array subscript */
{ "++", 1, opid3('S','+','+'), ASSOC_LEFT, 17, OP_SUFFIX},
{ "--", 1, opid3('S','-','-'), ASSOC_LEFT, 17, OP_SUFFIX},
{ ".", 2, opid1('.'), ASSOC_LEFT, 17, 0 },
{ "(", 0, opid1('('), ASSOC_LEFT, 17, 0 }, /* function call */
{ "[", 2, opid1('['), ASSOC_LEFT, 17, 0 }, /* array subscript */
{ "++", 1, opid3('+','+','P'), ASSOC_RIGHT, 16, OP_PREFIX },
{ "--", 1, opid3('-','-','P'), ASSOC_RIGHT, 16, OP_PREFIX },
{ "**", 2, opid2('*', '*'), ASSOC_RIGHT, 15, 0 },
{ "!", 1, opid2('!', 'P'), ASSOC_RIGHT, 14, OP_PREFIX },
{ "~", 1, opid2('~', 'P'), ASSOC_RIGHT, 14, OP_PREFIX },
{ "+", 1, opid2('+','P'), ASSOC_RIGHT, 14, OP_PREFIX },
{ "-", 1, opid2('-','P'), ASSOC_RIGHT, 14, OP_PREFIX },
{ "++", 1, opid3('+','+','P'), ASSOC_RIGHT, 14, OP_PREFIX },
{ "--", 1, opid3('-','-','P'), ASSOC_RIGHT, 14, OP_PREFIX },
/* { "&", 1, opid2('&','P'), ASSOC_RIGHT, 14, OP_PREFIX }, */
{ "*", 2, opid1('*'), ASSOC_LEFT, 13, 0 },
@ -185,7 +188,6 @@ static const oper_info c_operators[] = {
{ "%", 2, opid1('%'), ASSOC_LEFT, 13, 0 },
{ "+", 2, opid1('+'), ASSOC_LEFT, 12, 0 },
{ "**", 2, opid2('*', '*'), ASSOC_RIGHT, 12, 0 },
{ "-", 2, opid1('-'), ASSOC_LEFT, 12, 0 },
{ "<<", 2, opid2('<','<'), ASSOC_LEFT, 11, 0 },