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Filter: The interpreter code now shares its diversion with constructor

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This is a preparation for filter pre-evaluation.
This commit is contained in:
Maria Matejka 2019-07-01 11:57:35 +02:00
parent 63f49457dc
commit 236828d06f
1 changed files with 17 additions and 17 deletions
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34
filter/decl.m4
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@ -15,8 +15,7 @@ m4_divert(-1)m4_dnl
# 8 linearize
# 9 same (filter comparator)
# 1 union in struct f_inst
# 3 constructors
# 10 interpreter
# 3 constructors + interpreter
#
# Per-inst Diversions:
# 101 content of per-inst struct
@ -43,7 +42,6 @@ m4_define(FID_DUMP, `FID_ZONE(6, Dump line)')
m4_define(FID_DUMP_CALLER, `FID_ZONE(7, Dump line caller)')
m4_define(FID_LINEARIZE, `FID_ZONE(8, Linearize)')
m4_define(FID_SAME, `FID_ZONE(9, Comparison)')
m4_define(FID_INTERPRET, `FID_ZONE(10, Interpret)')
m4_define(FID_STRUCT_IN, `m4_divert(101)')
m4_define(FID_NEW_ARGS, `m4_divert(102)')
@ -71,13 +69,23 @@ struct {
m4_undivert(107)
} i_[[]]INST_NAME();
FID_NEW
struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
m4_undivert(102)
)
FID_HIC(
[[;]],
[[]],
[[
struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
[[m4_undivert(102)]]
);]],
[[
case INST_NAME():
#define whati (&(what->i_]]INST_NAME()[[))
m4_ifelse(m4_eval(INST_INVAL() > 0), 1, [[if (fstk->vcnt < INST_INVAL()) runtime("Stack underflow"); fstk->vcnt -= INST_INVAL(); ]])
[[m4_undivert(108)]]
#undef whati
break;
]],
[[
struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
[[m4_undivert(102)]]
)
{
struct f_inst *what = cfg_allocz(sizeof(struct f_inst));
what->fi_code = fi_code;
@ -126,14 +134,6 @@ m4_undivert(106)
#undef f2
break;
FID_INTERPRET
case INST_NAME():
#define whati (&(what->i_]]INST_NAME()[[))
m4_ifelse(m4_eval(INST_INVAL() > 0), 1, [[if (fstk->vcnt < INST_INVAL()) runtime("Stack underflow"); fstk->vcnt -= INST_INVAL(); ]])
m4_undivert(108)
#undef whati
break;
]])')
m4_define(INST, `m4_dnl
@ -252,7 +252,7 @@ m4_define(FID_WR_STOP, `m4_define([[FID_WR_PUT]])m4_divert(-1)')
m4_changequote([[,]])
FID_WR_DIRECT(I)
FID_WR_PUT(10)
FID_WR_PUT(3)
FID_WR_DIRECT(C)
#include "nest/bird.h"
#include "filter/filter.h"