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anon 2024-03-10 15:57:35 +01:00
parent 242871916f
commit 52b917ce0c
11 changed files with 3837 additions and 0 deletions
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24
flex/aaaaaaaa.y Normal file
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/* @BAKE
bison --header=a.tab.h -o a.tab.c $@
g++ a.tab.c -o a
./a
@STOP
*/
%code requires {
#include <iostream>
void yyerror(...) { ; }
}
%union {
std::string * strval;
}
%{
int yylex() {
yylval.strval = new std::string("There are only two hard problems in CS: cache invalidation, nameing things, and off-by-one errors.");
return STRING;
}
%}
%token STRING
%%
string: STRING { std::cout << *(yylval.strval) << std::endl; }
%%
signed main() { yyparse(); }

10
flex/flex_patter_vs_state/Bakefile Normal file
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@BAKE
flex -o pattern.yy.c pattern.l
flex -o state.yy.c state.l
gcc -o pattern.out pattern.yy.c -lfl -g
gcc -o state.out state.yy.c -lfl -g
python -c '''print("/*", "".join([ "a" for i in range(0,1000000)]), "*/")''' | valgrind --tool=massif --massif-out-file=massif.out.pattern ./pattern.out
python -c '''print("/*", "".join([ "a" for i in range(0,1000000)]), "*/")''' | valgrind --tool=massif --massif-out-file=massif.out.state ./state.out
ms_print massif.out.pattern
ms_print massif.out.state
@STOP

135
flex/flex_patter_vs_state/massif.out.pattern Normal file
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desc: --massif-out-file=massif.out.pattern
cmd: ./pattern.out
time_unit: i
#-----------
snapshot=0
#-----------
time=0
mem_heap_B=0
mem_heap_extra_B=0
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=1
#-----------
time=178535
mem_heap_B=8
mem_heap_extra_B=16
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=2
#-----------
time=178627
mem_heap_B=72
mem_heap_extra_B=24
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=3
#-----------
time=178684
mem_heap_B=16458
mem_heap_extra_B=46
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=4
#-----------
time=179417
mem_heap_B=20554
mem_heap_extra_B=54
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=5
#-----------
time=2450242
mem_heap_B=36938
mem_heap_extra_B=54
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=6
#-----------
time=7769087
mem_heap_B=69706
mem_heap_extra_B=54
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=7
#-----------
time=27548940
mem_heap_B=135242
mem_heap_extra_B=54
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=8
#-----------
time=103677625
mem_heap_B=266314
mem_heap_extra_B=54
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=9
#-----------
time=402211238
mem_heap_B=528458
mem_heap_extra_B=54
mem_stacks_B=0
heap_tree=detailed
n2: 528458 (heap allocation functions) malloc/new/new[], --alloc-fns, etc.
n1: 524290 0x10B046: yyrealloc (pattern.yy.c:1745)
n1: 524290 0x109AAE: yy_get_next_buffer (pattern.yy.c:960)
n1: 524290 0x10977F: yylex (pattern.yy.c:822)
n0: 524290 0x109234: main (in /home/anon/Swap/tests/flex_patter_vs_state/pattern.out)
n0: 4168 in 2 places, all below massif's threshold (1.00%)
#-----------
snapshot=10
#-----------
time=1584383763
mem_heap_B=1052746
mem_heap_extra_B=54
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=11
#-----------
time=5796516138
mem_heap_B=1053770
mem_heap_extra_B=62
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=12
#-----------
time=5796520196
mem_heap_B=1053770
mem_heap_extra_B=62
mem_stacks_B=0
heap_tree=peak
n2: 1053770 (heap allocation functions) malloc/new/new[], --alloc-fns, etc.
n1: 1048578 0x10B046: yyrealloc (pattern.yy.c:1745)
n1: 1048578 0x109AAE: yy_get_next_buffer (pattern.yy.c:960)
n1: 1048578 0x10977F: yylex (pattern.yy.c:822)
n0: 1048578 0x109234: main (in /home/anon/Swap/tests/flex_patter_vs_state/pattern.out)
n0: 5192 in 2 places, all below massif's threshold (1.00%)
#-----------
snapshot=13
#-----------
time=5796520196
mem_heap_B=1049674
mem_heap_extra_B=54
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=14
#-----------
time=5796520230
mem_heap_B=1048650
mem_heap_extra_B=46
mem_stacks_B=0
heap_tree=empty

95
flex/flex_patter_vs_state/massif.out.state Normal file
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desc: --massif-out-file=massif.out.state
cmd: ./state.out
time_unit: i
#-----------
snapshot=0
#-----------
time=0
mem_heap_B=0
mem_heap_extra_B=0
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=1
#-----------
time=178536
mem_heap_B=8
mem_heap_extra_B=16
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=2
#-----------
time=178628
mem_heap_B=72
mem_heap_extra_B=24
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=3
#-----------
time=178685
mem_heap_B=16458
mem_heap_extra_B=46
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=4
#-----------
time=179418
mem_heap_B=20554
mem_heap_extra_B=54
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=5
#-----------
time=94248676
mem_heap_B=21578
mem_heap_extra_B=62
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=6
#-----------
time=94252737
mem_heap_B=21578
mem_heap_extra_B=62
mem_stacks_B=0
heap_tree=peak
n2: 21578 (heap allocation functions) malloc/new/new[], --alloc-fns, etc.
n2: 16458 0x10B03B: yyalloc (state.yy.c:1747)
n1: 16386 0x10A699: yy_create_buffer (state.yy.c:1294)
n1: 16386 0x1093ED: yylex (state.yy.c:676)
n0: 16386 0x109234: main (in /home/anon/Swap/tests/flex_patter_vs_state/state.out)
n0: 72 in 2 places, all below massif's threshold (1.00%)
n1: 5120 0x48DB95C: _IO_file_doallocate (filedoalloc.c:101)
n1: 5120 0x48EA958: _IO_doallocbuf (genops.c:347)
n2: 5120 0x48EA958: _IO_doallocbuf (genops.c:342)
n1: 4096 0x48E98BB: _IO_file_xsgetn (fileops.c:1288)
n1: 4096 0x48DCA4E: fread (iofread.c:38)
n1: 4096 0x109CDB: yy_get_next_buffer (state.yy.c:997)
n1: 4096 0x10979D: yylex (state.yy.c:837)
n0: 4096 0x109234: main (in /home/anon/Swap/tests/flex_patter_vs_state/state.out)
n1: 1024 0x48E8A77: _IO_file_overflow@@GLIBC_2.2.5 (fileops.c:745)
n1: 1024 0x48E95C6: _IO_new_file_xsputn (fileops.c:1244)
n1: 1024 0x48E95C6: _IO_file_xsputn@@GLIBC_2.2.5 (fileops.c:1197)
n1: 1024 0x48DCF71: fwrite (iofwrite.c:39)
n1: 1024 0x10963E: yylex (state.l:9)
n0: 1024 0x109234: main (in /home/anon/Swap/tests/flex_patter_vs_state/state.out)
#-----------
snapshot=7
#-----------
time=94252737
mem_heap_B=17482
mem_heap_extra_B=54
mem_stacks_B=0
heap_tree=empty
#-----------
snapshot=8
#-----------
time=94252771
mem_heap_B=16458
mem_heap_extra_B=46
mem_stacks_B=0
heap_tree=empty

4
flex/flex_patter_vs_state/pattern.l Normal file
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%option noyywrap
%%
<INITIAL>\/\*([^*]|\*+[^/*])*\*+\/ { ; }
%%

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flex/flex_patter_vs_state/pattern.yy.c Normal file
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9
flex/flex_patter_vs_state/state.l Normal file
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%option noyywrap
%x COMMENT
%%
<INITIAL>\/\* { BEGIN COMMENT; }
<COMMENT>{
. { ; }
\*\/ { BEGIN INITIAL; }
}
%%

1773
flex/flex_patter_vs_state/state.yy.c Normal file
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11
flex/hack.l Normal file
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/* @BAKE
flex -o edge.yy.c $@
gcc edge.yy.c -o edge.out -lfl
./edge.out
@STOP
*/
%x HILL
%%
{ puts("Let me help you, Sisyphus!"); goto top; }
<HILL>. { top: puts("There you go!"); exit(0); }
%%

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flex/hw.l Normal file
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%{
#include <stdio.h>
%}
%%
hello printf("World!\n");
%{
int i;
%}
%%
int main() {
yylex();
return 0;
}

3
flex/sections.l Normal file
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%%
<.>
%%