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Filter: The interpreter code now shares its diversion with constructor
This is a preparation for filter pre-evaluation.
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@ -15,8 +15,7 @@ m4_divert(-1)m4_dnl
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# 8 linearize
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# 8 linearize
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# 9 same (filter comparator)
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# 9 same (filter comparator)
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# 1 union in struct f_inst
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# 1 union in struct f_inst
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# 3 constructors
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# 3 constructors + interpreter
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# 10 interpreter
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#
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#
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# Per-inst Diversions:
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# Per-inst Diversions:
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# 101 content of per-inst struct
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# 101 content of per-inst struct
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@ -43,7 +42,6 @@ m4_define(FID_DUMP, `FID_ZONE(6, Dump line)')
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m4_define(FID_DUMP_CALLER, `FID_ZONE(7, Dump line caller)')
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m4_define(FID_DUMP_CALLER, `FID_ZONE(7, Dump line caller)')
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m4_define(FID_LINEARIZE, `FID_ZONE(8, Linearize)')
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m4_define(FID_LINEARIZE, `FID_ZONE(8, Linearize)')
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m4_define(FID_SAME, `FID_ZONE(9, Comparison)')
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m4_define(FID_SAME, `FID_ZONE(9, Comparison)')
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m4_define(FID_INTERPRET, `FID_ZONE(10, Interpret)')
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m4_define(FID_STRUCT_IN, `m4_divert(101)')
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m4_define(FID_STRUCT_IN, `m4_divert(101)')
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m4_define(FID_NEW_ARGS, `m4_divert(102)')
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m4_define(FID_NEW_ARGS, `m4_divert(102)')
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@ -71,13 +69,23 @@ struct {
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m4_undivert(107)
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m4_undivert(107)
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} i_[[]]INST_NAME();
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} i_[[]]INST_NAME();
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FID_NEW
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FID_NEW
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struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
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m4_undivert(102)
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)
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FID_HIC(
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FID_HIC(
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[[;]],
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[[]],
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[[
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[[
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struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
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[[m4_undivert(102)]]
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);]],
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[[
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case INST_NAME():
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#define whati (&(what->i_]]INST_NAME()[[))
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m4_ifelse(m4_eval(INST_INVAL() > 0), 1, [[if (fstk->vcnt < INST_INVAL()) runtime("Stack underflow"); fstk->vcnt -= INST_INVAL(); ]])
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[[m4_undivert(108)]]
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#undef whati
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break;
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]],
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[[
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struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
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[[m4_undivert(102)]]
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)
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{
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{
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struct f_inst *what = cfg_allocz(sizeof(struct f_inst));
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struct f_inst *what = cfg_allocz(sizeof(struct f_inst));
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what->fi_code = fi_code;
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what->fi_code = fi_code;
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@ -126,14 +134,6 @@ m4_undivert(106)
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#undef f2
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#undef f2
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break;
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break;
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FID_INTERPRET
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case INST_NAME():
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#define whati (&(what->i_]]INST_NAME()[[))
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m4_ifelse(m4_eval(INST_INVAL() > 0), 1, [[if (fstk->vcnt < INST_INVAL()) runtime("Stack underflow"); fstk->vcnt -= INST_INVAL(); ]])
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m4_undivert(108)
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#undef whati
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break;
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]])')
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]])')
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m4_define(INST, `m4_dnl
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m4_define(INST, `m4_dnl
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@ -252,7 +252,7 @@ m4_define(FID_WR_STOP, `m4_define([[FID_WR_PUT]])m4_divert(-1)')
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m4_changequote([[,]])
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m4_changequote([[,]])
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FID_WR_DIRECT(I)
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FID_WR_DIRECT(I)
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FID_WR_PUT(10)
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FID_WR_PUT(3)
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FID_WR_DIRECT(C)
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FID_WR_DIRECT(C)
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#include "nest/bird.h"
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#include "nest/bird.h"
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#include "filter/filter.h"
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#include "filter/filter.h"
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