Check-in [75fd3b203e]
Bounty program for improvements to Tcl and certain Tcl packages.
Tcl 2019 Conference, Houston/TX, US, Nov 4-8
Send your abstracts to [email protected]
or submit via the online form by Sep 9.

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:A little bit less wrong.
Timelines: family | ancestors | descendants | both | list-and-dict-types
Files: files | file ages | folders
SHA3-256: 75fd3b203eb858ad83f3b8edde5291fb492d1d18b83a9bc4647ea5fb30399e56
User & Date: dkf 2019-01-02 16:22:08
Context
2019-02-02
18:14
Expansion... sort of Leaf check-in: 721be90d96 user: dkf tags: list-and-dict-types
2019-01-02
16:22
A little bit less wrong. check-in: 75fd3b203e user: dkf tags: list-and-dict-types
2018-12-08
17:56
merge trunk check-in: 01fb4f7ffb user: dkf tags: list-and-dict-types
Changes

Changes to codegen/build.tcl.

2138
2139
2140
2141
2142
2143
2144
2145




2146
2147
2148
2149
2150
2151
2152
....
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
....
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
....
2204
2205
2206
2207
2208
2209
2210
2211





2212
2213
2214
2215
2216
2217
2218
....
2225
2226
2227
2228
2229
2230
2231
2232




2233
2234
2235
2236
2237
2238
2239
....
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
....
2270
2271
2272
2273
2274
2275
2276
2277




2278
2279
2280
2281
2282
2283
2284
....
2288
2289
2290
2291
2292
2293
2294



2295

2296
2297
2298
2299
2300
2301
2302
....
2378
2379
2380
2381
2382
2383
2384
2385




2386
2387
2388
2389
2390
2391
2392
....
2401
2402
2403
2404
2405
2406
2407
2408





2409
2410
2411
2412
2413
2414
2415
....
2421
2422
2423
2424
2425
2426
2427
2428




2429
2430
2431
2432
2433
2434
2435
....
2440
2441
2442
2443
2444
2445
2446
2447




2448
2449
2450
2451
2452
2453
2454
....
2460
2461
2462
2463
2464
2465
2466
2467




2468
2469
2470
2471
2472
2473
2474
....
2479
2480
2481
2482
2483
2484
2485
2486




2487
2488
2489
2490
2491
2492
2493
....
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
....
2520
2521
2522
2523
2524
2525
2526
2527





2528
2529
2530
2531
2532
2533
2534
....
2539
2540
2541
2542
2543
2544
2545
2546




2547
2548
2549
2550
2551
2552
2553
    #	value -	The value to append as an LLVM value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The resulting dictionary as an LLVM value reference.

    method dictAppend(EMPTY\040DICT,STRING,STRING) {dict key value {name ""}} {




	my call ${tcl.dict.append} [list $dict $key $value] $name
    }

    # Builder:dictExists(DICT) --
    #
    #	Find whether a key exists in a dictionary. This version uses a vector
    #	of values for the key path. Quadcode implementation ('dictExists').
................................................................................
    #		The key path as an LLVM vector value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	Whether the value exists as an LLVM ZEROONE value reference.

    method dictExists(EMPTY\040DICT) {dict vector {name ""}} {
	my ExtractVector $vector
	my call ${tcl.dict.exists} [list $dict $len $ary] $name
    }
    method dictExists(EMPTY) {dict vector {name ""}} {
	Const 0 int1
    }

................................................................................
    #	key -	The key as an LLVM value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	Whether the value exists as an LLVM ZEROONE value reference.

    method dictExists(EMPTY\040DICT,STRING) {dict key {name ""}} {
	my call ${tcl.dict.exists1} [list $dict $key] $name
    }
    method dictExists(EMPTY,STRING) {dict key {name ""}} {
	Const 0 int1
    }

    # Builder:dictGet(DICT) --
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The retrieved value as an LLVM value reference, or a FAIL.

    method dictGet(EMPTY\040DICT) {dict vector ec {name ""}} {





	my ExtractVector $vector
	my call ${tcl.dict.get} [list $dict $len $ary $ec] $name
    }

    # Builder:dictGet(DICT,STRING) --
    #
    #	Retrieve a value from a dictionary. This version uses a single simple
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The retrieved value as an LLVM value reference, or a FAIL.

    method dictGet(EMPTY\040DICT,STRING) {dict key ec {name ""}} {




	my call ${tcl.dict.get1} [list $dict $key $ec] $name
    }

    # Builder:dictGetOrNexist(EMPTY DICT,STRING) --
    #
    #	Retrieve a value from a dictionary, or NEXIST if the key doesn't map
    #	to a value in the dict. This version uses a single simple key.
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The retrieved value as an LLVM value reference, or a NEXIST.

    method dictGetOrNexist(EMPTY\040DICT,STRING) {dict key {name ""}} {
	my call ${tcl.dict.get1.empty} [list $dict $key] $name
    }
    method dictGetOrNexist(EMPTY,STRING) {dict key {name ""}} {
	# Should be possible to be efficient in this case!
	my call ${tcl.dict.get1.empty} [list $dict $key] $name
    }

    # Builder:dictIncr(EMPTY DICT,STRING,INT) --
    #
    #	Increment the value for a key in a dictionary. NOTE: this operation
    #	can fail (e.g., because it can be given an invalid dictionary) so it
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The resulting dictionary as an LLVM value reference, or a FAIL.

    method dictIncr(EMPTY\040DICT,STRING,INT) {dict key value ec {name ""}} {




	my call ${tcl.dict.incr} [list $dict $key $value $ec] $name
    }

    # Builder:dictIterStart(DICT) --
    #
    #	Start iterating over a dictionary; other opcodes are used to retrieve
    #	what the state of the iteration is. Quadcode implementation
................................................................................
    #	dict -	The dictionary as an LLVM value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The iteration state as an LLVM DICTITER value reference.




    method dictIterStart(EMPTY\040DICT) {dict {name ""}} {

	my call ${tcl.dict.iterStart} [list $dict] $name
    }

    # Builder:dictIterNext --
    #
    #	Get the next step when iterating over a dictionary; other opcodes are
    #	used to retrieve what the state of the iteration is. Quadcode
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The resulting dictionary as an LLVM value reference, or a FAIL.

    method dictLappend(EMPTY\040DICT,STRING,STRING) {dict key value ec {name ""}} {




	my call ${tcl.dict.lappend} [list $dict $key $value $ec] $name
    }

    # Builder:dictSet(DICT,STRING) --
    #
    #	Set or create a value in a dictionary. This version uses a vector as a
    #	dictionary key path.. NOTE: this operation can fail (e.g., because
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value or a FAIL.

    method dictSet(EMPTY\040DICT,STRING) {dict value vector ec {name ""}} {





	my ExtractVector $vector
	my call ${tcl.dict.set} [list $dict $len $ary $value $ec] $name
    }

    # Builder:dictSet(DICT,STRING,STRING) --
    #
    #	Set or create a value in a dictionary. This version uses a single
................................................................................
    #	value -	The value as an LLVM value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictSet(EMPTY\040DICT,STRING,STRING) {dict key value {name ""}} {




	my call ${tcl.dict.set1} [list $dict $key $value] $name
    }

    # Builder:dictSetOrUnset(DICT,STRING,NEXIST) --
    #
    #	Remove a value in a dictionary. This version uses a single simple key.
    #	Quadcode implementation ('dictSetOrUnset').
................................................................................
    #	value -	The NEXIST value (actually ignored).
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictSetOrUnset(EMPTY\040DICT,STRING,NEXIST) {dict key value {name ""}} {




	my call ${tcl.dict.set1.empty} [list $dict $key [my nothing STRING]] $name
    }

    # Builder:dictSetOrUnset(DICT,STRING,NEXIST STRING) --
    #
    #	Set, create or remove a value in a dictionary. This version uses a
    #	single simple key, and the value can be NEXIST to remove the key.
................................................................................
    #	value -	The value as an LLVM value reference, or NEXIST.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictSetOrUnset(EMPTY\040DICT,STRING,NEXIST\040STRING) {dict key value {name ""}} {




	my call ${tcl.dict.set1.empty} [list $dict $key $value] $name
    }

    # Builder:dictSetOrUnset(DICT,STRING,NEXIST STRING) --
    #
    #	Set or create a value in a dictionary. This version uses a single
    #	simple key. Quadcode implementation ('dictSetOrUnset').
................................................................................
    #	value -	The value as an LLVM value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictSetOrUnset(EMPTY\040DICT,STRING,STRING) {dict key value {name ""}} {




	my call ${tcl.dict.set1.empty} [list $dict $key [my just $value]] $name
    }

    # Builder:dictSize(DICT) --
    #
    #	Get the size of a dictionary, i.e., the number of key-value pairs.
    #
................................................................................
    #	value -	The STRING LLVM value reference to a dict to get the size of.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	An INT in an LLVM value reference.

    method dictSize(EMPTY\040DICT) {value {name ""}} {
	my call ${tcl.dict.size} [list $value] $name
    }
    method dictSize(EMPTY) {value ecvar {name ""}} {
	my packInt32 [Const 0] $name
    }

    # Builder:dictUnset(EMPTY DICT) --
    #
    #	Remove a key from a dictionary. This version uses a vector as a
    #	dictionary key path. NOTE: this operation can fail (e.g., because of
    #	an invalid dictionary inside a valid one) so it produces a DICT FAIL.
    #	Quadcode implementation ('dictUnset').
    #
    # Parameters:
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictUnset(EMPTY\040DICT) {dict vector ec {name ""}} {





	my ExtractVector $vector
	my call ${tcl.dict.unset} [list $dict $len $ary $ec] $name
    }

    # Builder:dictUnset(DICT,STRING) --
    #
    #	Remove a key from a dictionary. Quadcode implementation ('dictUnset').
................................................................................
    #	ec -	Where to write the error code if an error happens. (Ignored)
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictUnset(EMPTY\040DICT,STRING) {dict key ec {name ""}} {




	my call ${tcl.dict.unset1} [list $dict $key] $name
    }

    # Builder:directAppend(STRING,STRING) --
    #
    #	Append a value to a variable, which should be referred to by a
    #	fully-qualified name. NOTE: this operation can fail because of traces






|
>
>
>
>







 







|







 







|







 







|
>
>
>
>
>







 







|
>
>
>
>







 







|



|







 







|
>
>
>
>







 







>
>
>
|
>







 







|
>
>
>
>







 







|
>
>
>
>
>







 







|
>
>
>
>







 







|
>
>
>
>







 







|
>
>
>
>







 







|
>
>
>
>







 







|






|







 







|
>
>
>
>
>







 







|
>
>
>
>







2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
....
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
....
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
....
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
....
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
....
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
....
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
....
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
....
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
....
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
....
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
....
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
....
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
....
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
....
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
....
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
....
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
    #	value -	The value to append as an LLVM value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The resulting dictionary as an LLVM value reference.

    method dictAppend(DICT,STRING,STRING) {dict key value {name ""}} {
	my call ${tcl.dict.append} [list $dict $key $value] $name
    }
    method dictAppend(EMPTY,STRING,STRING) {dict key value {name ""}} {
	# TODO: Optimize case?
	my call ${tcl.dict.append} [list $dict $key $value] $name
    }

    # Builder:dictExists(DICT) --
    #
    #	Find whether a key exists in a dictionary. This version uses a vector
    #	of values for the key path. Quadcode implementation ('dictExists').
................................................................................
    #		The key path as an LLVM vector value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	Whether the value exists as an LLVM ZEROONE value reference.

    method dictExists(DICT) {dict vector {name ""}} {
	my ExtractVector $vector
	my call ${tcl.dict.exists} [list $dict $len $ary] $name
    }
    method dictExists(EMPTY) {dict vector {name ""}} {
	Const 0 int1
    }

................................................................................
    #	key -	The key as an LLVM value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	Whether the value exists as an LLVM ZEROONE value reference.

    method dictExists(DICT,STRING) {dict key {name ""}} {
	my call ${tcl.dict.exists1} [list $dict $key] $name
    }
    method dictExists(EMPTY,STRING) {dict key {name ""}} {
	Const 0 int1
    }

    # Builder:dictGet(DICT) --
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The retrieved value as an LLVM value reference, or a FAIL.

    method dictGet(DICT) {dict vector ec {name ""}} {
	my ExtractVector $vector
	my call ${tcl.dict.get} [list $dict $len $ary $ec] $name
    }
    method dictGet(EMPTY) {dict vector ec {name ""}} {
	# TODO: Optimize case?
	my ExtractVector $vector
	my call ${tcl.dict.get} [list $dict $len $ary $ec] $name
    }

    # Builder:dictGet(DICT,STRING) --
    #
    #	Retrieve a value from a dictionary. This version uses a single simple
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The retrieved value as an LLVM value reference, or a FAIL.

    method dictGet(DICT,STRING) {dict key ec {name ""}} {
	my call ${tcl.dict.get1} [list $dict $key $ec] $name
    }
    method dictGet(EMPTY,STRING) {dict key ec {name ""}} {
	# TODO: Optimize case?
	my call ${tcl.dict.get1} [list $dict $key $ec] $name
    }

    # Builder:dictGetOrNexist(EMPTY DICT,STRING) --
    #
    #	Retrieve a value from a dictionary, or NEXIST if the key doesn't map
    #	to a value in the dict. This version uses a single simple key.
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The retrieved value as an LLVM value reference, or a NEXIST.

    method dictGetOrNexist(DICT,STRING) {dict key {name ""}} {
	my call ${tcl.dict.get1.empty} [list $dict $key] $name
    }
    method dictGetOrNexist(EMPTY,STRING) {dict key {name ""}} {
	# TODO: Optimize case
	my call ${tcl.dict.get1.empty} [list $dict $key] $name
    }

    # Builder:dictIncr(EMPTY DICT,STRING,INT) --
    #
    #	Increment the value for a key in a dictionary. NOTE: this operation
    #	can fail (e.g., because it can be given an invalid dictionary) so it
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The resulting dictionary as an LLVM value reference, or a FAIL.

    method dictIncr(DICT,STRING,INT) {dict key value ec {name ""}} {
	my call ${tcl.dict.incr} [list $dict $key $value $ec] $name
    }
    method dictIncr(EMPY,STRING,INT) {dict key value ec {name ""}} {
	# TODO: Optimize case
	my call ${tcl.dict.incr} [list $dict $key $value $ec] $name
    }

    # Builder:dictIterStart(DICT) --
    #
    #	Start iterating over a dictionary; other opcodes are used to retrieve
    #	what the state of the iteration is. Quadcode implementation
................................................................................
    #	dict -	The dictionary as an LLVM value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The iteration state as an LLVM DICTITER value reference.

    method dictIterStart(DICT) {dict {name ""}} {
	my call ${tcl.dict.iterStart} [list $dict] $name
    }
    method dictIterStart(EMPTY) {dict {name ""}} {
	# TODO: Optimize case
	my call ${tcl.dict.iterStart} [list $dict] $name
    }

    # Builder:dictIterNext --
    #
    #	Get the next step when iterating over a dictionary; other opcodes are
    #	used to retrieve what the state of the iteration is. Quadcode
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The resulting dictionary as an LLVM value reference, or a FAIL.

    method dictLappend(DICT,STRING,STRING) {dict key value ec {name ""}} {
	my call ${tcl.dict.lappend} [list $dict $key $value $ec] $name
    }
    method dictLappend(EMPTY,STRING,STRING) {dict key value ec {name ""}} {
	# TODO: Optimize case
	my call ${tcl.dict.lappend} [list $dict $key $value $ec] $name
    }

    # Builder:dictSet(DICT,STRING) --
    #
    #	Set or create a value in a dictionary. This version uses a vector as a
    #	dictionary key path.. NOTE: this operation can fail (e.g., because
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value or a FAIL.

    method dictSet(DICT,STRING) {dict value vector ec {name ""}} {
	my ExtractVector $vector
	my call ${tcl.dict.set} [list $dict $len $ary $value $ec] $name
    }
    method dictSet(EMPTY,STRING) {dict value vector ec {name ""}} {
	# TODO: Optimize case
	my ExtractVector $vector
	my call ${tcl.dict.set} [list $dict $len $ary $value $ec] $name
    }

    # Builder:dictSet(DICT,STRING,STRING) --
    #
    #	Set or create a value in a dictionary. This version uses a single
................................................................................
    #	value -	The value as an LLVM value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictSet(DICT,STRING,STRING) {dict key value {name ""}} {
	my call ${tcl.dict.set1} [list $dict $key $value] $name
    }
    method dictSet(EMPTY,STRING,STRING) {dict key value {name ""}} {
	# TODO: Optimize case
	my call ${tcl.dict.set1} [list $dict $key $value] $name
    }

    # Builder:dictSetOrUnset(DICT,STRING,NEXIST) --
    #
    #	Remove a value in a dictionary. This version uses a single simple key.
    #	Quadcode implementation ('dictSetOrUnset').
................................................................................
    #	value -	The NEXIST value (actually ignored).
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictSetOrUnset(DICT,STRING,NEXIST) {dict key value {name ""}} {
	my call ${tcl.dict.set1.empty} [list $dict $key [my nothing STRING]] $name
    }
    method dictSetOrUnset(EMPTY,STRING,NEXIST) {dict key value {name ""}} {
	# TODO: Optimize case
	my call ${tcl.dict.set1.empty} [list $dict $key [my nothing STRING]] $name
    }

    # Builder:dictSetOrUnset(DICT,STRING,NEXIST STRING) --
    #
    #	Set, create or remove a value in a dictionary. This version uses a
    #	single simple key, and the value can be NEXIST to remove the key.
................................................................................
    #	value -	The value as an LLVM value reference, or NEXIST.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictSetOrUnset(DICT,STRING,NEXIST\040STRING) {dict key value {name ""}} {
	my call ${tcl.dict.set1.empty} [list $dict $key $value] $name
    }
    method dictSetOrUnset(EMPTY,STRING,NEXIST\040STRING) {dict key value {name ""}} {
	# TODO: Optimize case
	my call ${tcl.dict.set1.empty} [list $dict $key $value] $name
    }

    # Builder:dictSetOrUnset(DICT,STRING,NEXIST STRING) --
    #
    #	Set or create a value in a dictionary. This version uses a single
    #	simple key. Quadcode implementation ('dictSetOrUnset').
................................................................................
    #	value -	The value as an LLVM value reference.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictSetOrUnset(DICT,STRING,STRING) {dict key value {name ""}} {
	my call ${tcl.dict.set1.empty} [list $dict $key [my just $value]] $name
    }
    method dictSetOrUnset(EMPTY,STRING,STRING) {dict key value {name ""}} {
	# TODO: Optimize case
	my call ${tcl.dict.set1.empty} [list $dict $key [my just $value]] $name
    }

    # Builder:dictSize(DICT) --
    #
    #	Get the size of a dictionary, i.e., the number of key-value pairs.
    #
................................................................................
    #	value -	The STRING LLVM value reference to a dict to get the size of.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	An INT in an LLVM value reference.

    method dictSize(DICT) {value {name ""}} {
	my call ${tcl.dict.size} [list $value] $name
    }
    method dictSize(EMPTY) {value ecvar {name ""}} {
	my packInt32 [Const 0] $name
    }

    # Builder:dictUnset(DICT) --
    #
    #	Remove a key from a dictionary. This version uses a vector as a
    #	dictionary key path. NOTE: this operation can fail (e.g., because of
    #	an invalid dictionary inside a valid one) so it produces a DICT FAIL.
    #	Quadcode implementation ('dictUnset').
    #
    # Parameters:
................................................................................
    #	ec -	Where to write the error code if an error happens.
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictUnset(DICT) {dict vector ec {name ""}} {
	my ExtractVector $vector
	my call ${tcl.dict.unset} [list $dict $len $ary $ec] $name
    }
    method dictUnset(EMPTY) {dict vector ec {name ""}} {
	# TODO: Optimize case
	my ExtractVector $vector
	my call ${tcl.dict.unset} [list $dict $len $ary $ec] $name
    }

    # Builder:dictUnset(DICT,STRING) --
    #
    #	Remove a key from a dictionary. Quadcode implementation ('dictUnset').
................................................................................
    #	ec -	Where to write the error code if an error happens. (Ignored)
    #	name (optional) -
    #		A name to give to the result value.
    #
    # Results:
    #	The new dictionary value.

    method dictUnset(DICT,STRING) {dict key ec {name ""}} {
	my call ${tcl.dict.unset1} [list $dict $key] $name
    }
    method dictUnset(EMPTY,STRING) {dict key ec {name ""}} {
	# TODO: Optimize case
	my call ${tcl.dict.unset1} [list $dict $key] $name
    }

    # Builder:directAppend(STRING,STRING) --
    #
    #	Append a value to a variable, which should be referred to by a
    #	fully-qualified name. NOTE: this operation can fail because of traces

Changes to codegen/compile.tcl.

37
38
39
40
41
42
43



44
45
46
47
48
49
50
..
54
55
56
57
58
59
60






61
62
63
64
65
66
67
...
128
129
130
131
132
133
134



135
136
137
138
139
140
141
142
143
144
145
146
147

148
149
150
151
152
153
154
...
245
246
247
248
249
250
251

252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
...
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
...
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
...
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
...
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
...
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
...
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
...
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551


552

553
554

555
556
557
558
559

560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
...
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
...
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636


637
638
639
640
641
642
643
...
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
...
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
...
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
...
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
...
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
...
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
....
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
....
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
....
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
....
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
....
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
....
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554



1555
1556
1557
1558
1559
1560
1561
....
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
....
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
....
1859
1860
1861
1862
1863
1864
1865
1866

1867


















1868
1869
1870
1871
1872
1873
1874
....
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954

1955
1956
1957
1958
1959
1960
1961
....
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
....
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
....
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
....
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239

2240
2241
2242
2243
2244
2245
2246
	    ::quadcode::typeOfOperand \
	    ::quadcode::dataType::mightbea
	namespace eval tcl {
	    namespace eval mathfunc {
		proc literal {descriptor} {
		    string equal [lindex $descriptor 0] "literal"
		}



		proc refType {type} {
		    expr {
			[uplevel 1 [list my ReferenceType? $type]]
			&& "CALLFRAME" ni $type
		    }
		}
		proc failType {type} {
................................................................................
		    uplevel 1 [list my OperandType $operand]
		}
		proc consumed {var search} {
		    uplevel 1 [list my IsConsumed $var $search]
		}
		proc callframe {operand} {
		    uplevel 1 [list my IsCallFrame $operand]






		}
	    }
	}
    }

    # TclCompiler:ByteCode --
    #
................................................................................
    #
    # Results:
    #	None.

    method PrintTypedQuads {channel qs} {
	set idx -1
	set descriptions [lmap q $qs {



	    concat "[incr idx]:" $q ":" [linsert [lmap arg [lrange $q 1 end] {
		try {
		    if {$arg eq ""} {
			string cat VOID
		    } elseif {[string match {pc *} $arg]} {
			string cat BLOCK
		    } else {
			my ValueTypes $arg
		    }
		} on error {} {
		    string cat VOID
		}
	    }] 1 \u21d0]

	}]
	if {$channel eq ""} {
	    return [format "%s------>\n%s" $cmd [join $descriptions \n]]
	} else {
	    puts $channel [format "%s------>\n%s" $cmd [join $descriptions \n]]
	}
    }
................................................................................
	# NB: block(-1) is the function entry block. It's supposed to be
	# almost entirely optimized out.
	$block(-1) build-in $b
	$b @location 0
	set errorCode [$b alloc int "tcl.errorCode"]
	set curr_block $block(-1)
	set 0 [$b int 0]


	##############################################################
	#
	# Create debug info for variables in LLVM

	dict for {name typecode} $vtypes {
	    lassign $name kind formalname origin
	    set type [nameOfType $typecode]

	    # Make the debugging information for the variable provided it is a
	    # variable as perceived from the Tcl level. "Internal" temporary
	    # variables aren't nearly so interesting.

	    if {$kind eq "var"} {
		if {[lindex $quads $origin 0] eq "param"} {
		    set idx [lsearch $bytecodeVars \
			[list "scalar arg" $formalname]]
		    if {$idx < 0} {
			return -code error \
			    "unmapped formal variable name: $formalname ($name)"
		    }
................................................................................
			my Warn "default injection for parameter %d of '%s'; injecting '%s'" \
			    [expr {$idx + 1}] [GetValueName [$func ref]] $defaultvalue
			set var [my LoadTypedLiteral $defaultvalue $type]
		    } else {
			set var [$func param $idx $name]
		    }
		    set variables($tgt) $var
		    if {[regexp {^IMPURE } $type] && "LIST" ni $type && "DICT" ni $type} {
			set var [$b stringifyImpure $var]
			set type STRING
		    }
		    if {refType($type)} {
			$b printref $var "param:"
			$b addReference($type) $var
			$b assume [$b shared $var]
................................................................................
		"moveToCallFrame" {
		    set mapping [lassign $l opcode tgt src]
		    if {callframe($src)} {
			foreach {name value} $mapping {
			    set name [lindex $name 1]
			    set var [dict get $thevarmap $name]
			    if {$value ne "Nothing"} {
				set op frame.store([my ValueTypes $value])
				set value [my LoadOrLiteral $value]
				$b $op $value $theframe $var $name
			    } else {
				$b frame.unset $theframe $var $name
			    }
			}
		    }
		    my StoreResult $tgt [my LoadOrLiteral $src]
		}
		"retrieveResult" {
		    lassign $l opcode tgt src
		    if {[my ValueTypes $src] eq "CALLFRAME"} {
			set value [$b undef NOTHING]
		    } elseif {"CALLFRAME" in [my ValueTypes $src]} {
			set value [$b frame.value [my LoadOrLiteral $src]]
		    } else {
			set value [my LoadOrLiteral $src]
			my Warn "retrieveResult from non-callframe"
		    }
		    my StoreResult $tgt $value
		}
		"extractCallFrame" {
		    lassign $l opcode tgt src
		    if {callframe($src)} {
			set value [my LoadOrLiteral $src]
			if {[my ValueTypes $src] ne "CALLFRAME"} {
			    set name [my LocalVarName $tgt]
			    set value [$b frame.frame $value $name]
			}
		    } else {
			set value $theframe
		    }
		    my StoreResult $tgt $value
................................................................................
			my StoreResult $tgt \
			    [$b frame.load $theframe $var $vname $name]
		    }
		}
		"result" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes $src] )
		    set src [my LoadOrLiteral $src]
		    my StoreResult $tgt [$b $opcode $src $name]
		}
		"returnOptions" {
		    lassign $l opcode tgt src ecode
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
................................................................................
		    append opcode ( [my ValueTypes {*}$srcs] )
		    set srcs [lmap s $srcs {my LoadOrLiteral $s}]
		    my StoreResult $tgt [$b $opcode {*}$srcs $name]
		}
		"nsupvar" - "upvar" - "variable" {
		    set srcs [lassign $l opcode tgt src]
		    set localvar [lindex $srcs 0]
		    if {[lindex $localvar 0] ne "literal"} {
			error "local variable must be literal"
		    }
		    set name [my LocalVarName $tgt]
		    set var [dict get $thevarmap [lindex $localvar 1]]
		    set op [dict get {
			nsupvar  frame.bind.nsvar
			upvar	 frame.bind.upvar
			variable frame.bind.var
		    } $opcode]
		    append op ( [my ValueTypes {*}$srcs] )
		    set srcs [lmap s $srcs {my LoadOrLiteral $s}]
		    set res [$b $op {*}$srcs $var $theframe $errorCode $name]
		    if {"FAIL" in [my ValueTypes $tgt]} {
			my SetErrorLine $errorCode \
			    [$b maybe [$b frame.value $res]]
		    }
		    my StoreResult $tgt $res
		}
		"bitor" - "bitxor" - "bitand" - "lshift" - "rshift" -
		"add" - "sub" - "mult" - "uminus" - "uplus" - "land" - "lor" -
................................................................................
		}
		"originCmd" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes {*}$srcs] )
		    set srcs [lmap s $srcs {my LoadOrLiteral $s}]
		    set res [$b $opcode {*}$srcs $errorCode $name]
		    if {"FAIL" in [my ValueTypes $tgt]} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		    my StoreResult $tgt $res
		}
		"list" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
................................................................................
		    my StoreResult $tgt [$b list $objv $srcs $types $name]
		}
		"strindex" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
		    set srcs [my ConvertIndices 0 strlen 1]
		    set res [$b $opcode {*}$srcs $errorCode $name]
		    if {"FAIL" in [my ValueTypes $tgt]} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		    my StoreResult $tgt $res
		}
		"strrange" - "strreplace" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
		    set srcs [my ConvertIndices 0 strlen 1 2]
		    set res [$b $opcode {*}$srcs $errorCode $name]
		    if {"FAIL" in [my ValueTypes $tgt]} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		    my StoreResult $tgt $res
		}
		"directGet" - "directSet" - "directAppend" - "directLappend" -
		"directLappendList" - "directUnset" -
		"directArrayGet" - "directArraySet" - "directArrayAppend" -
................................................................................
		"dictAppend" - "dictIncr" - "dictLappend" - "dictSize" -
		"div" - "expon" - "mod" - "verifyList" -
		"dictGetOrNexist" - "dictSetOrUnset" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes {*}$srcs] )
		    set srcs [lmap s $srcs {my LoadOrLiteral $s}]
		    if {"FAIL" in [my ValueTypes $tgt]} {
			set res [$b $opcode {*}$srcs $errorCode $name]
			my SetErrorLine $errorCode [$b maybe $res]
		    } else {
			set res [$b $opcode {*}$srcs $name]
		    }
		    my StoreResult $tgt $res
		}
		"listAppend" - "listConcat" - "listRange" {
		    set srcs [lassign $l opcode tgt]
		    set src1 [lindex $srcs 0]
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes {*}$srcs] )
		    set srcs [lmap s $srcs {my LoadOrLiteral $s}]


		    if {consumed($src1, $pc + 1)} {

			set res [$b $opcode {*}$srcs $errorCode $name]
		    } else {

			$b addReference([my ValueTypes $src1]) [lindex $srcs 0]
			set res [$b $opcode {*}$srcs $errorCode $name]
			$b dropReference([my ValueTypes $src1]) [lindex $srcs 0]
		    }
		    if {"FAIL" in [my ValueTypes $tgt]} {

			my SetErrorLine $errorCode [$b maybe $res]
		    }
		    my StoreResult $tgt $res
		}
		"returnCode" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes $src] )
		    my StoreResult $tgt \
			[$b $opcode [my LoadOrLiteral $src] \
			     [$b load $errorCode] $name]
		}
		"initException" {
		    my IssueException $l
		}
		"setReturnCode" {
		    lassign $l opcode tgt src
		    append opcode ( [my ValueTypes $src] )
		    my StoreResult $tgt \
			[$b $opcode [my LoadOrLiteral $src] $errorCode]
		}
		"procLeave" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes {*}$srcs] )
................................................................................
			set srcs [list $srcObj {*}$srcs]
			append opcode ( [my ValueTypes {*}$srcs] )
			set srcs [lmap s $srcs {my LoadOrLiteral $s}]
			set res [$b $opcode {*}$srcs $errorCode $name]
			my StoreResult $tgt $res
		    } else {
			# Need to construct the variadic path
			set vectortypes [lmap s $srcs {my ValueTypes $s}]
			set vector [$b buildVector $objv $vectortypes \
				  [lmap s $srcs {my LoadOrLiteral $s}]]
			append opcode ( [my ValueTypes $srcObj] )
			set srcObj [my LoadOrLiteral $srcObj]
			set res [$b $opcode $srcObj $vector $errorCode $name]
			my StoreResult $tgt $res
			$b clearVector $vector
		    }
		    if {"FAIL" in [my ValueTypes $tgt]} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		}
		"dictSet" {
		    set srcs [lassign $l opcode tgt srcObj srcValue]
		    set name [my LocalVarName $tgt]
		    if {[llength $srcs] == 1} {
................................................................................
			set srcs [list $srcObj {*}$srcs $srcValue]
			append opcode ( [my ValueTypes {*}$srcs] )
			set srcs [lmap s $srcs {my LoadOrLiteral $s}]
			set res [$b $opcode {*}$srcs $name]
			my StoreResult $tgt $res
		    } else {
			# Need to construct the variadic path
			set vectortypes [lmap s $srcs {my ValueTypes $s}]
			set vector [$b buildVector $objv $vectortypes \
				  [lmap s $srcs {my LoadOrLiteral $s}]]
			set srcs [list $srcObj $srcValue]
			append opcode ( [my ValueTypes {*}$srcs] )
			set srcs [lmap s $srcs {my LoadOrLiteral $s}]
			set res [$b $opcode {*}$srcs $vector $errorCode $name]
			my StoreResult $tgt $res
			$b clearVector $vector


			my SetErrorLine $errorCode [$b maybe $res]
		    }
		}
		"listSet" {
		    set srcs [lassign $l opcode tgt srcObj srcValue]
		    set name [my LocalVarName $tgt]
		    if {[llength $srcs] == 1} {
................................................................................
			set srcs [list $srcObj {*}$srcs $srcValue]
			append opcode ( [my ValueTypes {*}$srcs] )
			set srcs [lmap s $srcs {my LoadOrLiteral $s}]
			set res [$b $opcode {*}$srcs $errorCode $name]
			my StoreResult $tgt $res
		    } else {
			# Need to construct the variadic path
			set vectortypes [lmap s $srcs {my ValueTypes $s}]
			set vector [$b buildVector $objv $vectortypes \
				  [lmap s $srcs {my LoadOrLiteral $s}]]
			set srcs [list $srcObj $srcValue]
			append opcode ( [my ValueTypes {*}$srcs] )
			set srcs [lmap s $srcs {my LoadOrLiteral $s}]
			set res [$b $opcode {*}$srcs $vector $errorCode $name]
			my StoreResult $tgt $res
			$b clearVector $vector
		    }
		    if {"FAIL" in [my ValueTypes $tgt]} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		}
		"copy" - "expand" {
		    lassign $l opcode tgt src
		    set value [my LoadOrLiteral $src]
		    set type [my OperandType $tgt]
................................................................................
		    my StoreResult $tgt $value
		}
		"maptoint" {
		    lassign $l opcode tgt src map def
		    set map [lindex $map 1]
		    set def [lindex $def 1]
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes $src] )
		    set src [my LoadOrLiteral $src]
		    my StoreResult $tgt [$b $opcode $src $map $def $name]
		}
		"extractExists" - "extractMaybe" {
		    my IssueExtract $l
		}
		"extractFail" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes $src] )
		    set src [my LoadOrLiteral $src]
		    my StoreResult $tgt [$b $opcode $src $name]
		}
		"purify" {
		    lassign $l opcode tgt src
		    set value [my LoadOrLiteral $src]
		    set srctype [my OperandType $src]
		    if {"IMPURE" ni $srctype} {
			return -code error \
			    "Trying to purify something that is not impure"
		    }
		    set name [my LocalVarName $tgt]
		    if {"LIST" ni $srctype && "DICT" ni $srctype} {
			set value [$b impure.value $value $name]
		    }
................................................................................
		    lassign $l opcode tgt src
		    set type [my OperandType $src]
		    if {$src ni $consumed} {
			if {$type eq "VOID"} {
			    # VOID is trivial to free
			} elseif {refType($type)} {
			    $b printref $variables($src) "free:"
			    set vt [my ValueTypes $src]
			    if {"ARRAY" in $vt} {
				# TRICKY POINT: need variable name to unset an array
				set name [Const [my LocalVarName $tgt] STRING]
				$b dropReference($vt) $variables($src) $name
			    } else {
				$b dropReference($vt) $variables($src)
			    }
................................................................................
			$b br $block($tgt)
		    }
		}
		"jumpTrue" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $src]
		    set tgt [lindex $tgt 1]
		    set mth isTrue([my ValueTypes $src])
		    set test [$b $mth [my LoadOrLiteral $src] test_$name]
		    $b condBr $test $block($tgt) $ipath($pc)
		}
		"jumpFalse" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $src]
		    set tgt [lindex $tgt 1]
		    set mth isTrue([my ValueTypes $src])
		    set test [$b $mth [my LoadOrLiteral $src] test_$name]
		    $b condBr $test $ipath($pc) $block($tgt)
		}
		"jump" {
		    $b br $block([lindex $l 1 1])
		}
		"return" {
		    lassign $l opcode -> frame src
		    set val [my LoadOrLiteral $src]
		    if {"CALLFRAME" in [my ValueTypes $src]} {
			# The CALLFRAME does not leave
			set val [$b frame.value $val]
		    }
		    set type [nameOfType $returnType]
		    if {refType($type)} {
			$b printref $val "ret:"
			if {literal($src)} {
................................................................................
			}
		    }
		}
		"frameArgs" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $tgt]
		    set opcode frame.args
		    append opcode ( [my ValueTypes $src] )
		    set val [my LoadOrLiteral $src]
		    set result [$b $opcode $val $theframe $name]
		    my StoreResult $tgt $result
		}
		"frameDepth" {
		    lassign $l opcode tgt
		    set name [my LocalVarName $tgt]
................................................................................
			lappend consumed $src1
		    } else {
			set result [$b unshareCopy($type) $val $name]
		    }
		    $b printref $result "cat:"
		    foreach src $srcs {
			set val [my LoadOrLiteral $src]
			$b appendString([my ValueTypes $src]) $val $result
		    }
		    my StoreResult $tgt $result
		}
		"concat" {
		    set srcs [lassign $l opcode tgt]
		    # Need to construct the variadic vector
		    set vectortypes [lmap s $srcs {my ValueTypes $s}]
		    set vector [$b buildVector $objv $vectortypes \
			    [lmap s $srcs {my LoadOrLiteral $s}]]
		    set name [my LocalVarName $tgt]
		    set result [$b concat() $vector $name]
		    my StoreResult $tgt $result
		    $b clearVector $vector
		}
		"foreachStart" {
		    set srcs [lassign $l opcode tgt assign]
		    set listtypes [lmap s $srcs {my ValueTypes $s}]
		    set lists [lmap s $srcs {my LoadOrLiteral $s}]
		    set result [$b foreachStart \
				    [lindex $assign 1] $lists \
				    $listtypes $errorCode]
		    if {"FAIL" in [my ValueTypes $tgt]} {
			my SetErrorLine $errorCode [$b maybe $result]
		    }
		    my StoreResult $tgt $result
		}
		"unshareList" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes $src] )
		    set result [$b $opcode [my LoadOrLiteral $src] $name]
		    my StoreResult $tgt $result
		}
		"foreachIter" - "foreachAdvance" - "foreachMayStep" -
		"dictIterKey" - "dictIterValue" - "dictIterDone" -
		"dictIterNext" {
		    lassign $l opcode tgt src
................................................................................
	set varmeta [dict get $bytecode variables]
	set argtypes {STRING}
	set arguments [list [list literal $cmd]]
	foreach vinfo $varmeta {
	    if {"arg" in [lindex $vinfo 0]} {
		set vname [list var [lindex $vinfo 1] [llength $arguments]]
		lappend arguments $vname
		lappend argtypes [my ValueTypes $vname]
	    }
	}

	# Patch in the extra variables discovered during quadcode analysis;
	# these are never arguments as Tcl always correctly puts those in the
	# original bytecode descriptor.
	set stdnames [lmap vinfo $varmeta {lindex $vinfo 1}]
................................................................................
    }

    method IssueInvokeFunction {tgt func arguments vname} {
	upvar 1 callframe callframe thecallframe thecallframe
	set BASETYPES {ZEROONE INT DOUBLE NUMERIC STRING}

	set result [$b call $func $arguments $vname]
	if {[my ValueTypes $tgt] eq "FAIL"} {
	    $b store $result $errorCode
	    my SetErrorLine $errorCode
	} else {
	    set ts [lmap t $BASETYPES {Type $t?}]
	    if {[TypeOf $result] in $ts} {
		$b store [$b extract $result 0] $errorCode
	    } elseif {[Type [TypeOf $result]?] eq [Type [my ValueTypes $tgt]]} {
		# Managed to prove non-failure in this case...
		set result [$b ok $result]
	    }
	    if {"FAIL" in [my ValueTypes $tgt]} {
		my SetErrorLine $errorCode [$b maybe $result]
	    }
	}

	if {callframe($thecallframe)} {
	    set result [$b frame.pack $callframe $result]
	}
	my StoreResult $tgt $result
    }

    method IssueInvokeCommand {tgt resolved arguments argvals vname} {
	upvar 1 callframe callframe thecallframe thecallframe

	set types [lmap s $arguments {my ValueTypes $s}]
	if {$resolved ne ""} {
	    # FIXME: this causes wrong "wrong # args" messages
	    set argvals [lreplace $argvals 0 0 $resolved]
	}
	set vector [$b buildVector $objv $types $argvals]
	set result [$b invoke $vector \
			[expr {callframe($thecallframe)}] $callframe \
................................................................................
    method IssueInvokeExpanded {callframe operation} {
	set arguments [lassign $operation opcode tgt thecallframe]
	set vname [my LocalVarName $tgt]
	set expandPositions [lmap s $arguments {
	    expr {"EXPANDED" in [my OperandType $s]}
	}]
	set argvals [lmap s $arguments {my LoadOrLiteral $s}]
	set types [lmap s $arguments {my ValueTypes $s}]
	set vector [$b buildVector $objv $types $argvals]
	set flags [$b buildBitArray $bitv $expandPositions]
	set result [$b invokeExpanded $vector $flags $errorCode $vname]
	my SetErrorLine $errorCode [$b maybe $result]
	if {callframe($thecallframe)} {
	    set result [$b frame.pack $callframe $result]
	}
................................................................................
    #
    # Results:
    #	none

    method IssueWiden {operation} {
	lassign $operation opcode tgt src
	set name [my LocalVarName $tgt]
	set srctype [my ValueTypes $src]
	set tgttype [lindex $opcode 2]
	if {$tgttype eq ""} {
	    set tgttype [my OperandType $tgt]
	}
	if {$srctype in {"VOID" "NOTHING" "NEXIST"}} {
	    switch -glob -- $tgttype {
		"FAIL *" {
................................................................................
	if {"STRING" in $tgttype && ("LIST" in $srctype || "DICT" in $srctype)} {
	    return $value
	}

	# IMPURE to IMPURE - Copy the string value, and promote the
	# inner value

	if {[lindex $tgttype 0] eq "IMPURE"
		&& [lindex $srctype 0] eq "IMPURE"} {
	    set itgttype [lrange $tgttype 1 end]
	    set isrctype [lrange $srctype 1 end]
	    set ivalue [my WidenedValue [$b impure.value $value] \
			    $isrctype $itgttype]
	    set svalue [$b impure.string $value]
	    set value [$b impure $itgttype $svalue $ivalue $name]
	} elseif {[lindex $srctype 0] eq "IMPURE" && "STRING" in $tgttype} {
	    set value [$b stringifyImpure $value $name]
	} elseif {[regexp {^IMPURE (.*)$} $tgttype -> innertype]} {
	    set widened [my WidenedValue $value $srctype $innertype]
	    set value [$b packImpure($innertype) $widened $name]
	} elseif {$tgttype eq "ZEROONE BOOLEAN"} {
	    if {$srctype in {"ZEROONE" "BOOLEAN"}} {
		# do nothing - the internal reps are the same
................................................................................
	    if {$srctype eq "DOUBLE"} {
		set value [$b packNumericDouble $value $name]
	    } else {
		set value [$b packNumericInt $value $name]
	    }
	} elseif {$srctype eq "EMPTY" && $tgttype eq "STRING"} {
	    set value [Const "" STRING]
	} elseif {$srctype ne $tgttype} {
	    if {("DICT" in $srctype || "LIST" in $srctype) && "LIST" in $tgttype} {
		# Do nothing and hope!
	    } else {
		my Warn "unimplemented convert from '%s' to '%s'" $srctype $tgttype
	    }
	}
	if {[Type $tgttype] eq [Type [TypeOf $value]?]} {
	    set value [$b ok $value]
	} elseif {[Type $tgttype] eq [Type [TypeOf $value]!]} {
	    set value [$b just $value]



	}
	return $value
    }
 
    # TclCompiler:IssueDictExists --
    #
    #	Generate the code for testing whether an element of a dictionary
................................................................................
	    return
	} elseif {[llength $srcs] == 0 && $srcDict eq "literal \uf8ff"} {
	    my StoreResult $tgt [my LoadOrLiteral "literal 0"]
	    return
	}

	# Need to construct the variadic vector
	set types [lmap s $srcs {my ValueTypes $s}]
	set vector [$b buildVector $objv $types \
		      [lmap s $srcs {my LoadOrLiteral $s}]]
	set name [my LocalVarName $tgt]
	append opcode ( [my ValueTypes $srcDict] )
	set srcDict [my LoadOrLiteral $srcDict]
	my StoreResult $tgt [$b $opcode $srcDict $vector $name]
	$b clearVector $vector
	return
    }
 
    # TclCompiler:IssueExtract --
................................................................................
    # Results:
    #	none

    method IssueException {operation} {
	upvar 1 errorCode errorCode
	set srcs [lassign $operation opcode tgt src]
	set src2 [lindex $srcs 0]
	set maintype [my ValueTypes $src]
	set name [my LocalVarName $tgt]
	append opcode ( [my ValueTypes {*}$srcs] )
	set value [my LoadOrLiteral $src]

	# Check if we can issue more efficient code by understanding the
	# literals provided (if everything is non-literal, we can't do much).
	if {[llength $srcs] == 3 && literal($src2)} {
................................................................................
    #
    # Results:
    #	A Tcl boolean value.

    method IsCallFrame {operand} {
	variable ::quadcode::dataType::CALLFRAME

	return [expr {[lindex $operand 0] in {"var" "temp"}

		      && ([typeOfOperand $vtypes $operand] & $CALLFRAME) != 0}]


















    }

    # TclCompiler:ValueTypes --
    #
    #	Convert the sequence of arguments (to an opcode) into the type
    #	signature tuple to use with the name of the method in the Build class
    #	to enable automatic type widening.
................................................................................
	if {[info exist variables($desc)]} {
	    return $variables($desc)
	}
	if {$desc eq "Nothing"} {
	    # NEXIST special case
	    return "Nothing"
	}
	lassign $desc kind value
	if {$kind ne "literal"} {
	    return -code error "unsubstitutable argument: $desc"
	}

	set type [nameOfType [typeOfLiteral $value]]
	return [my LoadTypedLiteral $value $type]
    }

    # TclCompiler:LoadTypedLiteral --
    #
    #	Generate the code to create a LLVM value reference, given the
................................................................................
    #
    # Maintainer note:
    #	DO NOT do reference count management in this function! It makes things
    #	leak or triggers use-after-free crashes. Leave that to the main
    #	compiler engine (and the STRING allocator) as that gets it right.

    method LoadTypedLiteral {value type} {
	if {[lindex $type 0] eq "IMPURE"} {
	    set sval [my LoadTypedLiteral $value STRING]
	    set itype [lrange $type 1 end]
	    if {$itype in {LIST DICT {EMPTY LIST} {EMPTY DICT}}} {
		return $sval
	    }
	    set tval [my LoadTypedLiteral $value $itype]
	    return [$b impure $itype $sval $tval]
................................................................................
    #	None.

    method StoreResult {desc value {opcode ""}} {

	upvar 1 phiAnnotations phiAnnotations

	# Validate that the destination is indeed a variable or temporary
	if {[lindex $desc 0] ni {"var" "temp"}} {
	    return -code error "cannot store into $desc; it makes no sense"
	}

	# Validate that SSA form has been preserved
	if {[info exists variables($desc)]} {
	    return -code error "Duplicate definition of $desc"
	}
................................................................................
	# Type check the assignment
	set destType [nameOfType [dict get $vtypes $desc]]
	if {[Type $destType] ne [TypeOf $value]} {
	    my Warn "Attempt to store the value '%s' into a variable, '%s', of type '%s'" \
		[PrintValueToString $value] $desc $destType
	}

	if {[lindex $desc 0] eq "var"} {
	    if {[lindex $opcode 0] eq "phi"} {
		lappend phiAnnotations [lindex $desc 1] $value
	    } else {
		my AnnotateAssignment [lindex $desc 1] $value
	    }
	}

................................................................................
    # Parameters:
    #	qcval -	The quadcode value to extract from.
    #
    # Results:
    #	The Tcl value inside the quadcode value.

    method LiteralValue {qcval} {
	lassign $qcval key value
	if {$key ne "literal"} {
	    return -code error "assumption that '$qcval' is literal not met"
	}

	return $value
    }
}
 
# Class TclInterproceduralCompiler --
#
#	This class compiles a single Tcl procedure within the overall






>
>
>







 







>
>
>
>
>
>







 







>
>
>
|
|
|
|
|
|
|
|
|
|
|
|
|
>







 







>













|







 







|







 







|











|

|











|







 







|







 







|












|







 







|







 







|









|







 







|













>
>

>
|

>
|
|
|

<
>







|









|







 







|


|





|







 







|








>
>







 







|









|







 







|









|







|







 







|







 







|







|









|







 







|







 







|






|









|




|







|







 







|







 







|






|



|













|







 







|







 







|







 







|
<






|







 







<
<
<
<
<
<





>
>
>







 







|



|







 







|







 







|
>
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







|
<


>







 







|







 







|







 







|







 







|
<


>







37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
..
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
...
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
...
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
...
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
...
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
...
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
...
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
...
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
...
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
...
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576

577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
...
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
...
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
...
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
...
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
...
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
...
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
...
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
...
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
....
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
....
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
....
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
....
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
....
1524
1525
1526
1527
1528
1529
1530
1531

1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
....
1556
1557
1558
1559
1560
1561
1562






1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
....
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
....
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
....
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
....
1979
1980
1981
1982
1983
1984
1985
1986

1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
....
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
....
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
....
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
....
2264
2265
2266
2267
2268
2269
2270
2271

2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
	    ::quadcode::typeOfOperand \
	    ::quadcode::dataType::mightbea
	namespace eval tcl {
	    namespace eval mathfunc {
		proc literal {descriptor} {
		    string equal [lindex $descriptor 0] "literal"
		}
		proc var {descriptor} {
		    string equal [lindex $descriptor 0] "var"
		}
		proc refType {type} {
		    expr {
			[uplevel 1 [list my ReferenceType? $type]]
			&& "CALLFRAME" ni $type
		    }
		}
		proc failType {type} {
................................................................................
		    uplevel 1 [list my OperandType $operand]
		}
		proc consumed {var search} {
		    uplevel 1 [list my IsConsumed $var $search]
		}
		proc callframe {operand} {
		    uplevel 1 [list my IsCallFrame $operand]
		}
		proc maybetype {operand type} {
		    uplevel 1 [list my MayBeType $operand $type]
		}
		proc impure {type} {
		    expr {"IMPURE" in $type}
		}
	    }
	}
    }

    # TclCompiler:ByteCode --
    #
................................................................................
    #
    # Results:
    #	None.

    method PrintTypedQuads {channel qs} {
	set idx -1
	set descriptions [lmap q $qs {
	    if {[string match @debug-* [lindex $q 0]]} {
		concat "[incr idx]:" $q
	    } else {
		concat "[incr idx]:" $q ":" [linsert [lmap arg [lrange $q 1 end] {
		    try {
			if {$arg eq ""} {
			    string cat VOID
			} elseif {[string match {pc *} $arg]} {
			    string cat BLOCK
			} else {
			    my ValueTypes $arg
			}
		    } on error {} {
			string cat VOID
		    }
		}] 1 "\u21d0"]
	    }
	}]
	if {$channel eq ""} {
	    return [format "%s------>\n%s" $cmd [join $descriptions \n]]
	} else {
	    puts $channel [format "%s------>\n%s" $cmd [join $descriptions \n]]
	}
    }
................................................................................
	# NB: block(-1) is the function entry block. It's supposed to be
	# almost entirely optimized out.
	$block(-1) build-in $b
	$b @location 0
	set errorCode [$b alloc int "tcl.errorCode"]
	set curr_block $block(-1)
	set 0 [$b int 0]
	$b store [Const 0 int] $errorCode

	##############################################################
	#
	# Create debug info for variables in LLVM

	dict for {name typecode} $vtypes {
	    lassign $name kind formalname origin
	    set type [nameOfType $typecode]

	    # Make the debugging information for the variable provided it is a
	    # variable as perceived from the Tcl level. "Internal" temporary
	    # variables aren't nearly so interesting.

	    if {var($name)} {
		if {[lindex $quads $origin 0] eq "param"} {
		    set idx [lsearch $bytecodeVars \
			[list "scalar arg" $formalname]]
		    if {$idx < 0} {
			return -code error \
			    "unmapped formal variable name: $formalname ($name)"
		    }
................................................................................
			my Warn "default injection for parameter %d of '%s'; injecting '%s'" \
			    [expr {$idx + 1}] [GetValueName [$func ref]] $defaultvalue
			set var [my LoadTypedLiteral $defaultvalue $type]
		    } else {
			set var [$func param $idx $name]
		    }
		    set variables($tgt) $var
		    if {impure($type) && "LIST" ni $type && "DICT" ni $type} {
			set var [$b stringifyImpure $var]
			set type STRING
		    }
		    if {refType($type)} {
			$b printref $var "param:"
			$b addReference($type) $var
			$b assume [$b shared $var]
................................................................................
		"moveToCallFrame" {
		    set mapping [lassign $l opcode tgt src]
		    if {callframe($src)} {
			foreach {name value} $mapping {
			    set name [lindex $name 1]
			    set var [dict get $thevarmap $name]
			    if {$value ne "Nothing"} {
				set op frame.store([my OperandType $value])
				set value [my LoadOrLiteral $value]
				$b $op $value $theframe $var $name
			    } else {
				$b frame.unset $theframe $var $name
			    }
			}
		    }
		    my StoreResult $tgt [my LoadOrLiteral $src]
		}
		"retrieveResult" {
		    lassign $l opcode tgt src
		    if {operandType($src) eq "CALLFRAME"} {
			set value [$b undef NOTHING]
		    } elseif {callframe($src)} {
			set value [$b frame.value [my LoadOrLiteral $src]]
		    } else {
			set value [my LoadOrLiteral $src]
			my Warn "retrieveResult from non-callframe"
		    }
		    my StoreResult $tgt $value
		}
		"extractCallFrame" {
		    lassign $l opcode tgt src
		    if {callframe($src)} {
			set value [my LoadOrLiteral $src]
			if {operandType($src) ne "CALLFRAME"} {
			    set name [my LocalVarName $tgt]
			    set value [$b frame.frame $value $name]
			}
		    } else {
			set value $theframe
		    }
		    my StoreResult $tgt $value
................................................................................
			my StoreResult $tgt \
			    [$b frame.load $theframe $var $vname $name]
		    }
		}
		"result" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $tgt]
		    append opcode ( [my OperandType $src] )
		    set src [my LoadOrLiteral $src]
		    my StoreResult $tgt [$b $opcode $src $name]
		}
		"returnOptions" {
		    lassign $l opcode tgt src ecode
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
................................................................................
		    append opcode ( [my ValueTypes {*}$srcs] )
		    set srcs [lmap s $srcs {my LoadOrLiteral $s}]
		    my StoreResult $tgt [$b $opcode {*}$srcs $name]
		}
		"nsupvar" - "upvar" - "variable" {
		    set srcs [lassign $l opcode tgt src]
		    set localvar [lindex $srcs 0]
		    if {!literal($localvar)} {
			error "local variable must be literal"
		    }
		    set name [my LocalVarName $tgt]
		    set var [dict get $thevarmap [lindex $localvar 1]]
		    set op [dict get {
			nsupvar  frame.bind.nsvar
			upvar	 frame.bind.upvar
			variable frame.bind.var
		    } $opcode]
		    append op ( [my ValueTypes {*}$srcs] )
		    set srcs [lmap s $srcs {my LoadOrLiteral $s}]
		    set res [$b $op {*}$srcs $var $theframe $errorCode $name]
		    if {"FAIL" in operandType($tgt)} {
			my SetErrorLine $errorCode \
			    [$b maybe [$b frame.value $res]]
		    }
		    my StoreResult $tgt $res
		}
		"bitor" - "bitxor" - "bitand" - "lshift" - "rshift" -
		"add" - "sub" - "mult" - "uminus" - "uplus" - "land" - "lor" -
................................................................................
		}
		"originCmd" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes {*}$srcs] )
		    set srcs [lmap s $srcs {my LoadOrLiteral $s}]
		    set res [$b $opcode {*}$srcs $errorCode $name]
		    if {"FAIL" in operandType($tgt)} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		    my StoreResult $tgt $res
		}
		"list" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
................................................................................
		    my StoreResult $tgt [$b list $objv $srcs $types $name]
		}
		"strindex" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
		    set srcs [my ConvertIndices 0 strlen 1]
		    set res [$b $opcode {*}$srcs $errorCode $name]
		    if {"FAIL" in operandType($tgt)} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		    my StoreResult $tgt $res
		}
		"strrange" - "strreplace" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
		    set srcs [my ConvertIndices 0 strlen 1 2]
		    set res [$b $opcode {*}$srcs $errorCode $name]
		    if {"FAIL" in operandType($tgt)} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		    my StoreResult $tgt $res
		}
		"directGet" - "directSet" - "directAppend" - "directLappend" -
		"directLappendList" - "directUnset" -
		"directArrayGet" - "directArraySet" - "directArrayAppend" -
................................................................................
		"dictAppend" - "dictIncr" - "dictLappend" - "dictSize" -
		"div" - "expon" - "mod" - "verifyList" -
		"dictGetOrNexist" - "dictSetOrUnset" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes {*}$srcs] )
		    set srcs [lmap s $srcs {my LoadOrLiteral $s}]
		    if {"FAIL" in operandType($tgt)} {
			set res [$b $opcode {*}$srcs $errorCode $name]
			my SetErrorLine $errorCode [$b maybe $res]
		    } else {
			set res [$b $opcode {*}$srcs $name]
		    }
		    my StoreResult $tgt $res
		}
		"listAppend" - "listConcat" - "listRange" {
		    set srcs [lassign $l opcode tgt]
		    set src1 [lindex $srcs 0]
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes {*}$srcs] )
		    set srcs [lmap s $srcs {my LoadOrLiteral $s}]
		    set canFail [expr {"FAIL" in operandType($tgt)}]
		    set ec [if {$canFail} {list $errorCode}]
		    if {consumed($src1, $pc + 1)} {
			$b printref $value "[lindex $l 0 0]:A:"
			set res [$b $opcode {*}$srcs {*}$ec $name]
		    } else {
			$b printref $value "[lindex $l 0 0]:B:"
			$b addReference([my OperandType $src1]) [lindex $srcs 0]
			set res [$b $opcode {*}$srcs {*}$ec $name]
			$b dropReference([my OperandType $src1]) [lindex $srcs 0]
		    }

		    if {$canFail} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		    my StoreResult $tgt $res
		}
		"returnCode" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $tgt]
		    append opcode ( [my OperandType $src] )
		    my StoreResult $tgt \
			[$b $opcode [my LoadOrLiteral $src] \
			     [$b load $errorCode] $name]
		}
		"initException" {
		    my IssueException $l
		}
		"setReturnCode" {
		    lassign $l opcode tgt src
		    append opcode ( [my OperandType $src] )
		    my StoreResult $tgt \
			[$b $opcode [my LoadOrLiteral $src] $errorCode]
		}
		"procLeave" {
		    set srcs [lassign $l opcode tgt]
		    set name [my LocalVarName $tgt]
		    append opcode ( [my ValueTypes {*}$srcs] )
................................................................................
			set srcs [list $srcObj {*}$srcs]
			append opcode ( [my ValueTypes {*}$srcs] )
			set srcs [lmap s $srcs {my LoadOrLiteral $s}]
			set res [$b $opcode {*}$srcs $errorCode $name]
			my StoreResult $tgt $res
		    } else {
			# Need to construct the variadic path
			set vectortypes [lmap s $srcs {my OperandType $s}]
			set vector [$b buildVector $objv $vectortypes \
				  [lmap s $srcs {my LoadOrLiteral $s}]]
			append opcode ( [my OperandType $srcObj] )
			set srcObj [my LoadOrLiteral $srcObj]
			set res [$b $opcode $srcObj $vector $errorCode $name]
			my StoreResult $tgt $res
			$b clearVector $vector
		    }
		    if {"FAIL" in operandType($tgt)} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		}
		"dictSet" {
		    set srcs [lassign $l opcode tgt srcObj srcValue]
		    set name [my LocalVarName $tgt]
		    if {[llength $srcs] == 1} {
................................................................................
			set srcs [list $srcObj {*}$srcs $srcValue]
			append opcode ( [my ValueTypes {*}$srcs] )
			set srcs [lmap s $srcs {my LoadOrLiteral $s}]
			set res [$b $opcode {*}$srcs $name]
			my StoreResult $tgt $res
		    } else {
			# Need to construct the variadic path
			set vectortypes [lmap s $srcs {my OperandType $s}]
			set vector [$b buildVector $objv $vectortypes \
				  [lmap s $srcs {my LoadOrLiteral $s}]]
			set srcs [list $srcObj $srcValue]
			append opcode ( [my ValueTypes {*}$srcs] )
			set srcs [lmap s $srcs {my LoadOrLiteral $s}]
			set res [$b $opcode {*}$srcs $vector $errorCode $name]
			my StoreResult $tgt $res
			$b clearVector $vector
		    }
		    if {"FAIL" in operandType($tgt)} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		}
		"listSet" {
		    set srcs [lassign $l opcode tgt srcObj srcValue]
		    set name [my LocalVarName $tgt]
		    if {[llength $srcs] == 1} {
................................................................................
			set srcs [list $srcObj {*}$srcs $srcValue]
			append opcode ( [my ValueTypes {*}$srcs] )
			set srcs [lmap s $srcs {my LoadOrLiteral $s}]
			set res [$b $opcode {*}$srcs $errorCode $name]
			my StoreResult $tgt $res
		    } else {
			# Need to construct the variadic path
			set vectortypes [lmap s $srcs {my OperandType $s}]
			set vector [$b buildVector $objv $vectortypes \
				  [lmap s $srcs {my LoadOrLiteral $s}]]
			set srcs [list $srcObj $srcValue]
			append opcode ( [my ValueTypes {*}$srcs] )
			set srcs [lmap s $srcs {my LoadOrLiteral $s}]
			set res [$b $opcode {*}$srcs $vector $errorCode $name]
			my StoreResult $tgt $res
			$b clearVector $vector
		    }
		    if {"FAIL" in operandType($tgt)} {
			my SetErrorLine $errorCode [$b maybe $res]
		    }
		}
		"copy" - "expand" {
		    lassign $l opcode tgt src
		    set value [my LoadOrLiteral $src]
		    set type [my OperandType $tgt]
................................................................................
		    my StoreResult $tgt $value
		}
		"maptoint" {
		    lassign $l opcode tgt src map def
		    set map [lindex $map 1]
		    set def [lindex $def 1]
		    set name [my LocalVarName $tgt]
		    append opcode ( [my OperandType $src] )
		    set src [my LoadOrLiteral $src]
		    my StoreResult $tgt [$b $opcode $src $map $def $name]
		}
		"extractExists" - "extractMaybe" {
		    my IssueExtract $l
		}
		"extractFail" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $tgt]
		    append opcode ( [my OperandType $src] )
		    set src [my LoadOrLiteral $src]
		    my StoreResult $tgt [$b $opcode $src $name]
		}
		"purify" {
		    lassign $l opcode tgt src
		    set value [my LoadOrLiteral $src]
		    set srctype [my OperandType $src]
		    if {!impure($srctype)} {
			return -code error \
			    "Trying to purify something that is not impure"
		    }
		    set name [my LocalVarName $tgt]
		    if {"LIST" ni $srctype && "DICT" ni $srctype} {
			set value [$b impure.value $value $name]
		    }
................................................................................
		    lassign $l opcode tgt src
		    set type [my OperandType $src]
		    if {$src ni $consumed} {
			if {$type eq "VOID"} {
			    # VOID is trivial to free
			} elseif {refType($type)} {
			    $b printref $variables($src) "free:"
			    set vt [my OperandType $src]
			    if {"ARRAY" in $vt} {
				# TRICKY POINT: need variable name to unset an array
				set name [Const [my LocalVarName $tgt] STRING]
				$b dropReference($vt) $variables($src) $name
			    } else {
				$b dropReference($vt) $variables($src)
			    }
................................................................................
			$b br $block($tgt)
		    }
		}
		"jumpTrue" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $src]
		    set tgt [lindex $tgt 1]
		    set mth isTrue([my OperandType $src])
		    set test [$b $mth [my LoadOrLiteral $src] test_$name]
		    $b condBr $test $block($tgt) $ipath($pc)
		}
		"jumpFalse" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $src]
		    set tgt [lindex $tgt 1]
		    set mth isTrue([my OperandType $src])
		    set test [$b $mth [my LoadOrLiteral $src] test_$name]
		    $b condBr $test $ipath($pc) $block($tgt)
		}
		"jump" {
		    $b br $block([lindex $l 1 1])
		}
		"return" {
		    lassign $l opcode -> frame src
		    set val [my LoadOrLiteral $src]
		    if {callframe($src)} {
			# The CALLFRAME does not leave
			set val [$b frame.value $val]
		    }
		    set type [nameOfType $returnType]
		    if {refType($type)} {
			$b printref $val "ret:"
			if {literal($src)} {
................................................................................
			}
		    }
		}
		"frameArgs" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $tgt]
		    set opcode frame.args
		    append opcode ( [my OperandType $src] )
		    set val [my LoadOrLiteral $src]
		    set result [$b $opcode $val $theframe $name]
		    my StoreResult $tgt $result
		}
		"frameDepth" {
		    lassign $l opcode tgt
		    set name [my LocalVarName $tgt]
................................................................................
			lappend consumed $src1
		    } else {
			set result [$b unshareCopy($type) $val $name]
		    }
		    $b printref $result "cat:"
		    foreach src $srcs {
			set val [my LoadOrLiteral $src]
			$b appendString([my OperandType $src]) $val $result
		    }
		    my StoreResult $tgt $result
		}
		"concat" {
		    set srcs [lassign $l opcode tgt]
		    # Need to construct the variadic vector
		    set vectortypes [lmap s $srcs {my OperandType $s}]
		    set vector [$b buildVector $objv $vectortypes \
			    [lmap s $srcs {my LoadOrLiteral $s}]]
		    set name [my LocalVarName $tgt]
		    set result [$b concat() $vector $name]
		    my StoreResult $tgt $result
		    $b clearVector $vector
		}
		"foreachStart" {
		    set srcs [lassign $l opcode tgt assign]
		    set listtypes [lmap s $srcs {my OperandType $s}]
		    set lists [lmap s $srcs {my LoadOrLiteral $s}]
		    set result [$b foreachStart \
				    [lindex $assign 1] $lists \
				    $listtypes $errorCode]
		    if {"FAIL" in operandType($tgt)} {
			my SetErrorLine $errorCode [$b maybe $result]
		    }
		    my StoreResult $tgt $result
		}
		"unshareList" {
		    lassign $l opcode tgt src
		    set name [my LocalVarName $tgt]
		    append opcode ( [my OperandType $src] )
		    set result [$b $opcode [my LoadOrLiteral $src] $name]
		    my StoreResult $tgt $result
		}
		"foreachIter" - "foreachAdvance" - "foreachMayStep" -
		"dictIterKey" - "dictIterValue" - "dictIterDone" -
		"dictIterNext" {
		    lassign $l opcode tgt src
................................................................................
	set varmeta [dict get $bytecode variables]
	set argtypes {STRING}
	set arguments [list [list literal $cmd]]
	foreach vinfo $varmeta {
	    if {"arg" in [lindex $vinfo 0]} {
		set vname [list var [lindex $vinfo 1] [llength $arguments]]
		lappend arguments $vname
		lappend argtypes [my OperandType $vname]
	    }
	}

	# Patch in the extra variables discovered during quadcode analysis;
	# these are never arguments as Tcl always correctly puts those in the
	# original bytecode descriptor.
	set stdnames [lmap vinfo $varmeta {lindex $vinfo 1}]
................................................................................
    }

    method IssueInvokeFunction {tgt func arguments vname} {
	upvar 1 callframe callframe thecallframe thecallframe
	set BASETYPES {ZEROONE INT DOUBLE NUMERIC STRING}

	set result [$b call $func $arguments $vname]
	if {operandType($tgt) eq "FAIL"} {
	    $b store $result $errorCode
	    my SetErrorLine $errorCode
	} else {
	    set ts [lmap t $BASETYPES {Type $t?}]
	    if {[TypeOf $result] in $ts} {
		$b store [$b extract $result 0] $errorCode
	    } elseif {[Type [TypeOf $result]?] eq [Type [my OperandType $tgt]]} {
		# Managed to prove non-failure in this case...
		set result [$b ok $result]
	    }
	    if {"FAIL" in operandType($tgt)} {
		my SetErrorLine $errorCode [$b maybe $result]
	    }
	}

	if {callframe($thecallframe)} {
	    set result [$b frame.pack $callframe $result]
	}
	my StoreResult $tgt $result
    }

    method IssueInvokeCommand {tgt resolved arguments argvals vname} {
	upvar 1 callframe callframe thecallframe thecallframe

	set types [lmap s $arguments {my OperandType $s}]
	if {$resolved ne ""} {
	    # FIXME: this causes wrong "wrong # args" messages
	    set argvals [lreplace $argvals 0 0 $resolved]
	}
	set vector [$b buildVector $objv $types $argvals]
	set result [$b invoke $vector \
			[expr {callframe($thecallframe)}] $callframe \
................................................................................
    method IssueInvokeExpanded {callframe operation} {
	set arguments [lassign $operation opcode tgt thecallframe]
	set vname [my LocalVarName $tgt]
	set expandPositions [lmap s $arguments {
	    expr {"EXPANDED" in [my OperandType $s]}
	}]
	set argvals [lmap s $arguments {my LoadOrLiteral $s}]
	set types [lmap s $arguments {my OperandType $s}]
	set vector [$b buildVector $objv $types $argvals]
	set flags [$b buildBitArray $bitv $expandPositions]
	set result [$b invokeExpanded $vector $flags $errorCode $vname]
	my SetErrorLine $errorCode [$b maybe $result]
	if {callframe($thecallframe)} {
	    set result [$b frame.pack $callframe $result]
	}
................................................................................
    #
    # Results:
    #	none

    method IssueWiden {operation} {
	lassign $operation opcode tgt src
	set name [my LocalVarName $tgt]
	set srctype [my OperandType $src]
	set tgttype [lindex $opcode 2]
	if {$tgttype eq ""} {
	    set tgttype [my OperandType $tgt]
	}
	if {$srctype in {"VOID" "NOTHING" "NEXIST"}} {
	    switch -glob -- $tgttype {
		"FAIL *" {
................................................................................
	if {"STRING" in $tgttype && ("LIST" in $srctype || "DICT" in $srctype)} {
	    return $value
	}

	# IMPURE to IMPURE - Copy the string value, and promote the
	# inner value

	if {impure($tgttype) && impure($srctype)} {

	    set itgttype [lrange $tgttype 1 end]
	    set isrctype [lrange $srctype 1 end]
	    set ivalue [my WidenedValue [$b impure.value $value] \
			    $isrctype $itgttype]
	    set svalue [$b impure.string $value]
	    set value [$b impure $itgttype $svalue $ivalue $name]
	} elseif {impure($srctype) && "STRING" in $tgttype} {
	    set value [$b stringifyImpure $value $name]
	} elseif {[regexp {^IMPURE (.*)$} $tgttype -> innertype]} {
	    set widened [my WidenedValue $value $srctype $innertype]
	    set value [$b packImpure($innertype) $widened $name]
	} elseif {$tgttype eq "ZEROONE BOOLEAN"} {
	    if {$srctype in {"ZEROONE" "BOOLEAN"}} {
		# do nothing - the internal reps are the same
................................................................................
	    if {$srctype eq "DOUBLE"} {
		set value [$b packNumericDouble $value $name]
	    } else {
		set value [$b packNumericInt $value $name]
	    }
	} elseif {$srctype eq "EMPTY" && $tgttype eq "STRING"} {
	    set value [Const "" STRING]






	}
	if {[Type $tgttype] eq [Type [TypeOf $value]?]} {
	    set value [$b ok $value]
	} elseif {[Type $tgttype] eq [Type [TypeOf $value]!]} {
	    set value [$b just $value]
	} elseif {[Type $srctype] ne [Type $tgttype]} {
	    # If the types didn't end up matching, we're in deep trouble now...
	    my Warn "unimplemented convert from '%s' to '%s'" $srctype $tgttype
	}
	return $value
    }
 
    # TclCompiler:IssueDictExists --
    #
    #	Generate the code for testing whether an element of a dictionary
................................................................................
	    return
	} elseif {[llength $srcs] == 0 && $srcDict eq "literal \uf8ff"} {
	    my StoreResult $tgt [my LoadOrLiteral "literal 0"]
	    return
	}

	# Need to construct the variadic vector
	set types [lmap s $srcs {my OperandType $s}]
	set vector [$b buildVector $objv $types \
		      [lmap s $srcs {my LoadOrLiteral $s}]]
	set name [my LocalVarName $tgt]
	append opcode ( [my OperandType $srcDict] )
	set srcDict [my LoadOrLiteral $srcDict]
	my StoreResult $tgt [$b $opcode $srcDict $vector $name]
	$b clearVector $vector
	return
    }
 
    # TclCompiler:IssueExtract --
................................................................................
    # Results:
    #	none

    method IssueException {operation} {
	upvar 1 errorCode errorCode
	set srcs [lassign $operation opcode tgt src]
	set src2 [lindex $srcs 0]
	set maintype [my OperandType $src]
	set name [my LocalVarName $tgt]
	append opcode ( [my ValueTypes {*}$srcs] )
	set value [my LoadOrLiteral $src]

	# Check if we can issue more efficient code by understanding the
	# literals provided (if everything is non-literal, we can't do much).
	if {[llength $srcs] == 3 && literal($src2)} {
................................................................................
    #
    # Results:
    #	A Tcl boolean value.

    method IsCallFrame {operand} {
	variable ::quadcode::dataType::CALLFRAME

	return [expr {
	    !literal($operand)
	    && ([typeOfOperand $vtypes $operand] & $CALLFRAME) != 0
	}]
    }

    # TclCompiler:MayBeBasicType --
    #
    #	Get whether a particular operand may be of a particular type.
    #
    # Parameters:
    #	operand -
    #		The operand to test the type of.
    #	type -	The name of the type (see quadcode/types.tcl)
    #
    # Results:
    #	A Tcl boolean value.

    method MayBeBasicType {operand type} {
	namespace upvar ::quadcode::dataType $type typecode
	return [expr {([typeOfOperand $vtypes $operand] & $typecode) != 0}]
    }

    # TclCompiler:ValueTypes --
    #
    #	Convert the sequence of arguments (to an opcode) into the type
    #	signature tuple to use with the name of the method in the Build class
    #	to enable automatic type widening.
................................................................................
	if {[info exist variables($desc)]} {
	    return $variables($desc)
	}
	if {$desc eq "Nothing"} {
	    # NEXIST special case
	    return "Nothing"
	}
	if {!literal($desc)} {

	    return -code error "unsubstitutable argument: $desc"
	}
	lassign $desc -> value
	set type [nameOfType [typeOfLiteral $value]]
	return [my LoadTypedLiteral $value $type]
    }

    # TclCompiler:LoadTypedLiteral --
    #
    #	Generate the code to create a LLVM value reference, given the
................................................................................
    #
    # Maintainer note:
    #	DO NOT do reference count management in this function! It makes things
    #	leak or triggers use-after-free crashes. Leave that to the main
    #	compiler engine (and the STRING allocator) as that gets it right.

    method LoadTypedLiteral {value type} {
	if {impure($type)} {
	    set sval [my LoadTypedLiteral $value STRING]
	    set itype [lrange $type 1 end]
	    if {$itype in {LIST DICT {EMPTY LIST} {EMPTY DICT}}} {
		return $sval
	    }
	    set tval [my LoadTypedLiteral $value $itype]
	    return [$b impure $itype $sval $tval]
................................................................................
    #	None.

    method StoreResult {desc value {opcode ""}} {

	upvar 1 phiAnnotations phiAnnotations

	# Validate that the destination is indeed a variable or temporary
	if {literal($desc)} {
	    return -code error "cannot store into $desc; it makes no sense"
	}

	# Validate that SSA form has been preserved
	if {[info exists variables($desc)]} {
	    return -code error "Duplicate definition of $desc"
	}
................................................................................
	# Type check the assignment
	set destType [nameOfType [dict get $vtypes $desc]]
	if {[Type $destType] ne [TypeOf $value]} {
	    my Warn "Attempt to store the value '%s' into a variable, '%s', of type '%s'" \
		[PrintValueToString $value] $desc $destType
	}

	if {var($desc)} {
	    if {[lindex $opcode 0] eq "phi"} {
		lappend phiAnnotations [lindex $desc 1] $value
	    } else {
		my AnnotateAssignment [lindex $desc 1] $value
	    }
	}

................................................................................
    # Parameters:
    #	qcval -	The quadcode value to extract from.
    #
    # Results:
    #	The Tcl value inside the quadcode value.

    method LiteralValue {qcval} {
	if {!literal($qcval)} {

	    return -code error "assumption that '$qcval' is literal not met"
	}
	lassign $qcval -> value
	return $value
    }
}
 
# Class TclInterproceduralCompiler --
#
#	This class compiles a single Tcl procedure within the overall

Changes to codegen/stdlib.tcl.

177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
...
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
	# Increment the reference count of a Tcl_Obj reference if the
	# object is supplied

	set f [$m local "tcl.addFailReference" void<-Tcl_Obj*?]
	params value:maybeObjPtr
	build {
	    my condBr [my maybe $value] $nothing $incr
	label incr "action.required"
	    set value [my unmaybe $value "objPtr"]
	    $api Tcl_IncrRefCount $value
	    my ret
	label nothing "nothing.to.do"
	    my ret
	}

................................................................................
	    my ret
	label gotNull "got.null"
	    set str [$api Tcl_ObjPrintf [my constString "%d:NULL\n"] $pr]
	    $api Tcl_WriteObj $chan $str
	    $api Tcl_DecrRefCount $str
	    my ret
	}
	set f [$m local writeref? void<-int,STRING?,char*]
	params pr val prefix
	build {
	    my condBr [my maybe $val] $done $print
	label print:
	    my Call writeref $pr [my unmaybe $val] $prefix
	    my ret
	label done:
	    my ret
	}
	set f [$m local writearef void<-int,ARRAY,char*]
	params pr val prefix
	build {
	    nonnull $val
	    set chan [$api Tcl_GetStdChannel [Const [expr 1<<3]]]
	    my condBr [my nonnull $prefix] $printPrefix $printRef
	label printPrefix "print.prefix"
	    set str [$api Tcl_NewStringObj $prefix [Const -1]]






|







 







|









|







177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
...
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
	# Increment the reference count of a Tcl_Obj reference if the
	# object is supplied

	set f [$m local "tcl.addFailReference" void<-Tcl_Obj*?]
	params value:maybeObjPtr
	build {
	    my condBr [my maybe $value] $nothing $incr
	label incr "action.required.afr"
	    set value [my unmaybe $value "objPtr"]
	    $api Tcl_IncrRefCount $value
	    my ret
	label nothing "nothing.to.do"
	    my ret
	}

................................................................................
	    my ret
	label gotNull "got.null"
	    set str [$api Tcl_ObjPrintf [my constString "%d:NULL\n"] $pr]
	    $api Tcl_WriteObj $chan $str
	    $api Tcl_DecrRefCount $str
	    my ret
	}
	set f [$m local writeref? void<-int,STRING?,char* noinline]
	params pr val prefix
	build {
	    my condBr [my maybe $val] $done $print
	label print:
	    my Call writeref $pr [my unmaybe $val] $prefix
	    my ret
	label done:
	    my ret
	}
	set f [$m local writearef void<-int,ARRAY,char* noinline]
	params pr val prefix
	build {
	    nonnull $val
	    set chan [$api Tcl_GetStdChannel [Const [expr 1<<3]]]
	    my condBr [my nonnull $prefix] $printPrefix $printRef
	label printPrefix "print.prefix"
	    set str [$api Tcl_NewStringObj $prefix [Const -1]]

Changes to quadcode/types.tcl.

363
364
365
366
367
368
369


370
371
372
373
374
375
376
...
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
...
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
...
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
	FAIL			FAIL
	ARRAY			ARRAY
	DICTITER		DICTITER
	FOREACH			FOREACH
	EXPANDED		EXPANDED
	OTHERSTRING		STRING
	IMPURE			IMPURE


	EMPTY			EMPTY
    } {
	namespace upvar dataType $name t
	if {$type & $t} {
	    namespace upvar dataType $wname w
	    lappend result $wname
	    set type [expr {$type & ~$w}]
................................................................................
    foreach {name wname} {
	DOUBLE		DOUBLE
	BIGINT		ENTIER
	OTHERINT64	INT
	OTHERINT32	INT
	ZEROONE		ZEROONE
	BOOLWORD	BOOLEAN
	NONDICTLIST	LIST
	NONEMPTYDICT	DICT
	DICT		DICT
	LIST		LIST
    } {
	namespace upvar dataType $name t
	if {$type & $t} {
	    namespace upvar dataType $wname w
	    lappend result $wname
	    set type [expr {$type & ~$w}]
	}
................................................................................
	    if {(istype($t1, $INT) || istype($t1, $ZEROONE)) &&
		    (istype($t2, $INT) || istype($t2, $ZEROONE))} {
		return $LIST
	    }
	    return [expr {$LIST | $FAIL}]
	}
	listSet {
	    puts [format "DEBUG: %s : %s" [lindex $q 0] [lmap arg [lrange $q 2 end] {nameOfType [typeOfOperand $types $arg]}]]
	    return [expr {$LIST | $FAIL}]
	}
	strindex - strrange - strreplace - dictGet {
	    return [expr {$STRING | $FAIL}]
	}
	dictSetOrUnset - dictAppend {
	    return $DICT
................................................................................
	# We claim that lists of length one are simple STRINGs; that's usually
	# a more honest choice.
	if {[llength $x] <= 1} {
	    return $dataType::IMPUREOTHERSTRING
	}
	# Odd-length LISTs cannot be DICTs, and we prefer to not call them
	# DICTs if they have non-unique keys.
	if {[llength $x] & 1 == 0 && [dict create {*}$x] eq [list {*}$x]} {
	    return $dataType::NONEMPTYDICT
	} else {
	    return $dataType::NONDICTLIST
	}
    } else {
	return $dataType::IMPUREOTHERSTRING
    }






>
>







 







<
<
<
<







 







<







 







|







363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
...
387
388
389
390
391
392
393




394
395
396
397
398
399
400
...
774
775
776
777
778
779
780

781
782
783
784
785
786
787
...
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
	FAIL			FAIL
	ARRAY			ARRAY
	DICTITER		DICTITER
	FOREACH			FOREACH
	EXPANDED		EXPANDED
	OTHERSTRING		STRING
	IMPURE			IMPURE
	NONDICTLIST		LIST
	NONEMPTYDICT		DICT
	EMPTY			EMPTY
    } {
	namespace upvar dataType $name t
	if {$type & $t} {
	    namespace upvar dataType $wname w
	    lappend result $wname
	    set type [expr {$type & ~$w}]
................................................................................
    foreach {name wname} {
	DOUBLE		DOUBLE
	BIGINT		ENTIER
	OTHERINT64	INT
	OTHERINT32	INT
	ZEROONE		ZEROONE
	BOOLWORD	BOOLEAN




    } {
	namespace upvar dataType $name t
	if {$type & $t} {
	    namespace upvar dataType $wname w
	    lappend result $wname
	    set type [expr {$type & ~$w}]
	}
................................................................................
	    if {(istype($t1, $INT) || istype($t1, $ZEROONE)) &&
		    (istype($t2, $INT) || istype($t2, $ZEROONE))} {
		return $LIST
	    }
	    return [expr {$LIST | $FAIL}]
	}
	listSet {

	    return [expr {$LIST | $FAIL}]
	}
	strindex - strrange - strreplace - dictGet {
	    return [expr {$STRING | $FAIL}]
	}
	dictSetOrUnset - dictAppend {
	    return $DICT
................................................................................
	# We claim that lists of length one are simple STRINGs; that's usually
	# a more honest choice.
	if {[llength $x] <= 1} {
	    return $dataType::IMPUREOTHERSTRING
	}
	# Odd-length LISTs cannot be DICTs, and we prefer to not call them
	# DICTs if they have non-unique keys.
	if {([llength $x] & 1) == 0 && [dict create {*}$x] eq $x} {
	    return $dataType::NONEMPTYDICT
	} else {
	    return $dataType::NONDICTLIST
	}
    } else {
	return $dataType::IMPUREOTHERSTRING
    }