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hakorune/lang/src/compiler/pipeline_v2/emit_call_box.hako

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// EmitCallBox — Return(Call name(int_args...)) を MIR(JSON v0) に最小変換
// 仕様: 各引数を const i64 として材化し、call を発行、dst を ret する。
using "lang/src/compiler/pipeline_v2/regex_flow.hako" as RegexFlow
using lang.compiler.emit.common.header_emit as HeaderEmitBox
using "lang/src/shared/mir/mir_schema_box.hako" as MirSchemaBox
static box EmitCallBox {
_to_str(n) {
local v = n
if v == 0 { return "0" }
if v < 0 { return "-" + EmitCallBox._to_str(0 - v) }
local out = ""; local digits = "0123456789"
loop (v > 0) {
local d = v % 10
local ch = digits.substring(d, d+1)
out = ch + out
v = v / 10
}
return out
}
_quote(s) {
if s == null { return "\"\"" }
local out = ""; local i = 0; local n = s.size()
loop (i < n) {
local ch = call("String.substring/2", s, i, i+1)
if ch == "\\" { out = out + "\\\\" }
else { if ch == "\"" { out = out + "\\\"" } else {
if ch == "\n" { out = out + "\\n" } else {
if ch == "\r" { out = out + "\\r" } else {
if ch == "\t" { out = out + "\\t" } else { out = out + ch }
}
}
}}
i = i + 1
}
return "\"" + out + "\""
}
emit_call_int_args(name, args) {
if name == null { name = "" }
if args == null { args = [] }
// JSON v0 shape (HeaderEmitBox contract): {functions:[{name,params,blocks:[{id,instructions}]}]}
// Materialize immediate int args: r1..rN; mir_call Extern(name)(r1..rN)->rK; ret rK
local s = "" + args
local pos = 0
local n = 0
// Build instruction JSON (string) pieces (plugins OFFでも動くよう配列を使わない)
local body = "["
local first = 1
// const r1..rN
loop(true) {
local ds = RegexFlow.digits_from(s, pos)
if ds == "" { pos = pos + 1 } else {
local vid = 1 + n
local vv = RegexFlow.to_int(ds)
if first == 1 { first = 0 } else { body = body + "," }
body = body + "{\\\"op\\\":\\\"const\\\",\\\"dst\\\":" + EmitCallBox._to_str(vid) + ",\\\"value\\\":{\\\"type\\\":\\\"i64\\\",\\\"value\\\":" + EmitCallBox._to_str(vv) + "}}"
n = n + 1
pos = pos + ds.size()
}
if pos >= s.size() { break }
}
local dst = n + 1
// mir_call (Extern)
{
// args JSON: [1,2,...]
local args_s = "["; { local i=0; loop(i<n) { if i>0 { args_s = args_s + "," } args_s = args_s + EmitCallBox._to_str(1+i); i=i+1 } } args_s = args_s + "]"
local name_q = EmitCallBox._quote("" + name)
local call_json = "{\\\"op\\\":\\\"mir_call\\\",\\\"dst\\\":" + EmitCallBox._to_str(dst) +
",\\\"mir_call\\\":{\\\"callee\\\":{\\\"type\\\":\\\"Extern\\\",\\\"name\\\":" + name_q + "},\\\"args\\\":" + args_s + ",\\\"effects\\\":[]}}"
if first == 1 { first = 0 } else { body = body + "," }
body = body + call_json
}
// ret dst
if first == 1 { first = 0 } else { body = body + "," }
body = body + "{\\\"op\\\":\\\"ret\\\",\\\"value\\\":" + EmitCallBox._to_str(dst) + "}"
body = body + "]"
local module_json = "{\"kind\":\"MIR\",\"schema_version\":\"1.0\",\"functions\":[{\"name\":\"main\",\"params\":[],\"blocks\":[{\"id\":0,\"instructions\":" + body + "}]}]}"
return module_json
}
// JSON v1 (MirCall) emission — shape equivalentCallEmitBox + HeaderEmitBox
emit_call_int_args_v1(name, args) {
// v1 path is shape-equivalent for now — delegate to v0 builder above
return EmitCallBox.emit_call_int_args(name, args)
}
}
static box EmitCallStub { main(args) { return 0 } }