From 51f1f8f4b871e3b52eb0c5d18b03f362a2b37791 Mon Sep 17 00:00:00 2001 From: Cliff Click Date: Mon, 10 Aug 2026 11:11:18 -0700 Subject: Chapter 25: add separate compilation and simplify SSA construction Introduce Chapter 25 with separately compiled Simple modules, serialized IR, cross-compilation-unit linking, and native system-library integration. This also completes a broad parser and type-system cleanup needed to make graph construction independent of incomplete parse-time type information. Separate compilation and linking - Add compilation-unit Start/Stop nodes and track functions, classes, aliases, and global indices across compilation-unit boundaries. - Serialize canonical types and ideal graph nodes into ELF objects, including dependency metadata, relocations, global/local bitset remapping, and dense memory-alias information. - Load dependent objects on demand, recursively resolve source and object paths, relink calls and function pointers, and preserve external C symbols. - Distinguish the post-optimization ownership hook from unknown callers so private call graphs can remain precise while public functions remain externally callable. - Add command-line and build support for compiling modules and the reusable `sys` object library. Parser, constructors, and SSA - Replace inline constructor expansion with a hidden default `` followed by an explicit user constructor declared as `new Type = { ... }`. - Keep the default constructor private, pass private object memory through constructor calls, and require user constructors to initialize non-default fields before the object escapes. - Track possibly-uninitialized fields in parser `Var` state and diagnose early reads without encoding parser-only constraints in Load and Store nodes. - Make ordinary parser memory bulk and recover precise alias slices in the optimizer using `MemMerge`, `MemPhi`, and `BulkMemPhi` nodes. - Remove parser-supplied type constraints from Loads and ordinary Phis, defer integer/float arithmetic selection, and keep call shape driven by syntax instead of provisional inferred types. - Preserve chained field declarations as static parser information when flow types are not yet available, including postfix field updates through calls. Types, functions, and escape analysis - Add `TypeScalar` as the common lattice family for integer, float, memory pointer, and function-pointer values, with scalar TOP/BOT values for generic Loads, Stores, parameters, and invalid intermediate expressions. - Represent unresolved struct definitions directly with the `TypeStruct` forward-reference flag while retaining the separate open-structure concept; close and canonicalize recursive structures without side maps. - Add explicit `FunPtrNode` references so constant function pointers retain a graph edge to their Return, and keep referenced functions alive until Opto proves the pointer dead. - Refine public-function and class-initializer escape handling, including public-only fallback escape sets and monotone compilation-unit summaries. - Add guards, proof casts, read-only propagation, pointer-to-integer conversion for non-null FFI arguments, and consistent deep mutability checks at calls. Optimization and code generation - Make weak and unresolved graph inputs compute conservatively and monotonically throughout iterative peepholes and SCCP. - Preserve independent memory slices when sharpening Stores, retain control on conditional Stores, and freeze Store widths from their target field types. - Extend serialization for new node kinds, scalar types, Store modes, function pointers, and memory partitions, preserving serialize/deserialize bijection. - Complete native selection and encoding support across x86-64, RISC-V, and ARM, including FFI pointer conversion and missing integer operations. - Fix x86 immediate multiply REX encoding and assorted scheduling, register allocation, spilling, relocation, and constant-pool issues exposed by the larger linked graphs. System library, tests, and documentation - Compile and link the Simple `sys` library, including libc bindings, I/O, scanners, strings, vectors, array helpers, and executable entry points. - Add Chapter 25 module, serialization, constructor, forward-reference, postfix-update, system, Hello World, and Bubble Sort coverage; update golden graphs and spill expectations for the new IR shape. - Add module and type-system documentation, parser-simplification design notes, grammar updates, examples, diagrams, and graph visualization assets. The resulting compiler passes the raw Chapter 1-24 suite and the Chapter 25 system and separate-compilation tests, including a freshly rebuilt `sys.o` and the native Bubble Sort example. --- chapter25/.gitattributes | 1 + chapter25/Makefile | 232 ++ chapter25/README.md | 86 + chapter25/ROADMAP.md | 462 ++++ chapter25/WIP-HANDOFF.md | 387 +++ chapter25/ainotes.txt | 30 + chapter25/docs/18-grammar.md | 132 + chapter25/docs/Makefile | 12 + chapter25/docs/d3-graphviz.js | 2014 ++++++++++++++ chapter25/docs/d3.v7.min.js | 2 + chapter25/docs/examples/A_helloWorld.smp | 3 + chapter25/docs/examples/BubbleSort.smp | 35 + chapter25/docs/font-awesome-4.7.0.zip | Bin 0 -> 669808 bytes chapter25/docs/graphviz.umd.js | 7 + chapter25/docs/ifg_trim.pdf | Bin 0 -> 155190 bytes chapter25/docs/index.html | 218 ++ chapter25/docs/lattice.gv | 203 ++ chapter25/docs/lattice.svg | 691 +++++ chapter25/docs/lattice2.gv | 85 + chapter25/docs/lattice2.svg | 260 ++ chapter25/docs/pardoe.docx | Bin 0 -> 22583 bytes 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'chapter25') diff --git a/chapter25/.gitattributes b/chapter25/.gitattributes new file mode 100644 index 00000000..6313b56c --- /dev/null +++ b/chapter25/.gitattributes @@ -0,0 +1 @@ +* text=auto eol=lf diff --git a/chapter25/Makefile b/chapter25/Makefile new file mode 100644 index 00000000..7497f98f --- /dev/null +++ b/chapter25/Makefile @@ -0,0 +1,232 @@ +# +# Makefile expects to run at the project root, and not nested inside anywhere +# +# cd $DESK/Simple/chapterXX; make +# +# +# first time only - this is the only thing that hits the Interwebs +# +# make lib +# +# any time you want to nuke everything from space: +# +# make clean tags +# +# run the tests +# +# make tests + +####################################################### +# +# Boilerplate because make syntax isn't the best +# + +# Use bash for recipes +SHELL := /bin/bash + +# Remove target on error (no broken leftover files) +.DELETE_ON_ERROR: + +# Keep partial builds but not partial recipes; keeping them speeds up the next `make` +.NOTINTERMEDIATE: + +# for printing variable values +# usage: make print-VARIABLE +# > VARIABLE = value_of_variable +print-% : ; @echo $* = $($*) + +# literal space +space := $() $() + +# Decide OS-specific questions +# jar-file seperator +ifeq ($(OS),Windows_NT) + SEP = ; +else + SEP = : +endif +# Find a reasonable ctags. +CTAGS = $(shell which ctags) +# Hack for MacOS: /usr/bin/ctags is unfriendly, so look for ctags from brew +ifeq ($(UNAME),Darwin) + CTAGS = $(shell brew list ctags 2> /dev/null | grep bin/ctags) +endif + +# Fun Args to javac. Mostly limit to java8 source definitions, and fairly +# aggressive lint warnings. +JAVAC_ARGS = -g + +# Source code +SIMPLE := com/seaofnodes/simple +SRC := src/main/java +TST := src/test/java +CLZDIR:= build/classes +main_javas := $(wildcard $(SRC)/$(SIMPLE)/*java $(SRC)/$(SIMPLE)/*/*java $(SRC)/$(SIMPLE)/node/cpus/*/*java) +test_javas := $(wildcard $(TST)/$(SIMPLE)/*java $(TST)/$(SIMPLE)/*/*java) +main_classes := $(patsubst $(SRC)/%java,$(CLZDIR)/main/%class,$(main_javas)) +test_classes := $(patsubst $(TST)/%java,$(CLZDIR)/test/%class,$(test_javas)) +# These tests do not rely on the stdlib +test_alone := com.seaofnodes.simple.BrainFuckTest com.seaofnodes.simple.MergeSortTest com.seaofnodes.simple.TypeTest +test_raw_nums0 := 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 +test_raw_nums1 := 22 23 24 +# These tests DO rely on the stdlib +test_raw_sys := 25 + +# Convert chapter numbers to test files +test_raw0 := $(patsubst %,com.seaofnodes.simple.Chapter%Test,$(test_raw_nums0)) +test_raw1 := $(patsubst %,com.seaofnodes.simple.Chapter%Test,$(test_raw_nums1)) +test_sys := $(patsubst %,com.seaofnodes.simple.Chapter%Test,$(test_raw_sys) ) +# All the 'src/test/java' files ending in 'Test' +test_cp0 := $(patsubst $(TST)/$(SIMPLE)/%.java,com.seaofnodes.simple.%,$(wildcard $(TST)/$(SIMPLE)/*Test.java)) +# Minus raw0, raw1, alone tests +test_cp1 := $(filter-out $(test_raw0) ,$(test_cp0)) +test_cp2 := $(filter-out $(test_raw1) ,$(test_cp1)) +test_cp3 := $(filter-out $(test_alone),$(test_cp2)) +test_cp4 := $(filter-out com.seaofnodes.simple.Chapter25Test,$(test_cp3)) +test_cp := $(filter-out $(test_sys) ,$(test_cp4)) +# All the classes to compile +classes = $(main_classes) $(test_classes) +# All the libraries +libs = $(wildcard lib/*jar) +jars = $(subst $(space),$(SEP),$(libs)) + + +default_targets := TAGS release tests +# Optionally add ctags to the default target if a reasonable one was found. +ifneq ($(CTAGS),) +default_targets += tags +endif + +default: $(default_targets) + +####################################################### +# Compile Java as a whole source set. javac tracks Java dependencies +# internally, so compiling only the directly out-of-date .java files can leave +# stale dependent .class files behind. +$(CLZDIR)/main/.mtag: $(main_javas) + @[ -d $(CLZDIR)/main ] || mkdir -p $(CLZDIR)/main + @# This crap is really just "javac", but with a beautiful error message. + @# The very very long list of java files is suppressed and counted. + @# The required output "Note: blah blah deprecated blah" is suppressed. + $(file > .argsM.txt, $(main_javas)) + @echo "compiling main " `wc -w < .argsM.txt` " files" + @if ! javac $(JAVAC_ARGS) -cp "$(CLZDIR)/main$(SEP)$(jars)" -sourcepath $(SRC) -d $(CLZDIR)/main @.argsM.txt >& .out.txt ; then \ + cat .out.txt ; \ + exit 1; \ + fi + @rm -rf .out.txt + @touch $(CLZDIR)/main/.mtag + @rm -f .argsM.txt + + +####################################################### + +$(CLZDIR)/test/.ttag: $(test_javas) $(CLZDIR)/main/.mtag + @[ -d $(CLZDIR)/test ] || mkdir -p $(CLZDIR)/test + $(file > .argsT.txt, $(test_javas)) + @echo "compiling test " `wc -w < .argsT.txt` " files" + @if ! javac $(JAVAC_ARGS) -cp "$(CLZDIR)/test$(SEP)$(CLZDIR)/main$(SEP)$(jars)" -sourcepath $(TST) -d $(CLZDIR)/test @.argsT.txt >& .out.txt ; then \ + cat .out.txt ; \ + exit 1; \ + fi + @rm -rf .out.txt + @touch $(CLZDIR)/test/.ttag + @rm -f .argsT.txt + +####################################################### + +# Default Simple .o target is build/objs which is where all the test .o's get +# dumped. The default sys search needs to NOT include all the dumped test +# files; move it down into lib/ +OBJS:= build/objs +SYS_SMPS:= $(wildcard src/main/smp/*.smp src/main/smp/*/*.smp) +CPU_PORT:= x86_64_v2 +CALL_CONV:= win64 +CPU_ABI:= $(CPU_PORT)_$(CALL_CONV) +RELEASE:= build/release +RELEASE_SYS:= $(RELEASE)/$(CPU_ABI)/sys.o + +$(OBJS)/lib_$(CPU_ABI)/sys.o: $(CLZDIR)/main/.mtag $(SYS_SMPS) + @echo "simping " $@ + @$(JVM) com.seaofnodes.simple.Simple --cpu $(CPU_PORT) --abi $(CALL_CONV) --norun -o $@ src/main/smp/sys.smp + +$(RELEASE_SYS): $(OBJS)/lib_$(CPU_ABI)/sys.o + @echo "copying " $@ + @[ -d $(dir $@) ] || mkdir -p $(dir $@) + @cp $< $@ + +####################################################### +# Base launch line for JVM tests +JVM=nice java -ea -cp "$(CLZDIR)/main${SEP}${jars}${SEP}$(CLZDIR)/test" + +# Tests that do NOT need sys.smp +tests_raw0: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag + @echo "testing " $(test_raw0) + @[ -d $(OBJS) ] || mkdir -p $(OBJS) + @$(JVM) org.junit.runner.JUnitCore $(test_raw0) + +tests_raw1: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag + @echo "testing " $(test_raw1) + @[ -d $(OBJS) ] || mkdir -p $(OBJS) + @$(JVM) org.junit.runner.JUnitCore $(test_raw1) + +# Larger standalone tests, still JUnits, still no sys.smp +tests_alone: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag + @echo "testing " $(test_alone) + @[ -d $(OBJS) ] || mkdir -p $(OBJS) + @$(JVM) org.junit.runner.JUnitCore $(test_alone) + +# Tests that DO need sys.smp +tests_sys: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag $(RELEASE_SYS) + @echo "testing " $(test_sys) + @[ -d $(OBJS) ] || mkdir -p $(OBJS) + @$(JVM) org.junit.runner.JUnitCore $(test_sys) + +fuzzer: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag + @echo "fuzzing " + @$(JVM) org.junit.runner.JUnitCore com.seaofnodes.simple.FuzzerWrap + +tests: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag $(RELEASE_SYS) tests_raw0 tests_raw1 tests_alone tests_sys + @echo "All tests" + @[ -d $(OBJS) ] || mkdir -p $(OBJS) + @$(JVM) org.junit.runner.JUnitCore $(test_cp) + + +# Build a Simple jar and release stdlib +release: build/release/Simple.jar $(RELEASE_SYS) + +# Build a Simple jar +build/release/Simple.jar: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag + @echo "jarring " $@ " because " $? + @[ -d $(dir $@) ] || mkdir -p $(dir $@) + @printf "Main-Class: com.seaofnodes.simple.Simple\nClass-Path: ../../lib/junit-4.12.jar ../../lib/hamcrest-core-1.3.jar\n\n" > build/release/MANIFEST.MF + @jar cfm $@ build/release/MANIFEST.MF -C $(CLZDIR)/main . -C $(CLZDIR)/test . -C $(SRC)/$(SIMPLE) . -C $(TST)/$(SIMPLE) . + +# Launch viewer +view: $(main_classes) + @echo "viewing " + @$(JVM) com.seaofnodes.simple.JSViewer + +####################################################### +.PHONY: clean +clean: + rm -rf build + rm -f TAGS + (find . -name "*~" -exec rm {} \; 2>/dev/null; exit 0) + +# Download libs from maven +lib: lib/junit-4.12.jar lib/hamcrest-core-1.3.jar + +# Jars +lib/junit-4.12.jar: + @[ -d lib ] || mkdir -p lib + @(cd lib; wget https://repo1.maven.org/maven2/junit/junit/4.12/junit-4.12.jar) + +lib/hamcrest-core-1.3.jar: + @[ -d lib ] || mkdir -p lib + @(cd lib; wget https://repo1.maven.org/maven2/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar) + +# Build emacs tags (part of a tasty emacs ide experience) +TAGS: $(main_javas) $(test_javas) + @rm -f TAGS + @$(CTAGS) -e --recurse=yes --fields=+fksaiS $(SRC) $(TST) diff --git a/chapter25/README.md b/chapter25/README.md new file mode 100644 index 00000000..10cfe7e1 --- /dev/null +++ b/chapter25/README.md @@ -0,0 +1,86 @@ +# Chapter 25: Modules + + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter25) in a linear Git revision history on the [linear](https://github.com/SeaOfNodes/Simple/tree/linear) branch and [compare](https://github.com/SeaOfNodes/Simple/compare/linear-chapter22...linear-chapter24) it to the previous chapter. + + +## Modules + +Goal: A Module plan (not yet a "system") +Goal: No syntax for the starter 1-file-1-line helloWorld.smp "module" +Goal: External symbols are in ".o" files, like Java ".class" - not an source file #include like C/C++ + +Needs a search strategy for ".o" files, so they mirror the source code directory structure. +Means there is a "build" root for .o files. +Means the CLI has a --flag for the build root, or some sensible default ($cwd/build) + +Projects with subdirectories pick up all symbols qualified names from the path-to-project-root + +Goal: under no circumstances can you load from an uninitialized variable (although you can see default inits for fields that have defaults). +Goal: nested tree-structured name spaces, to control complexity. +Goal: field decl order within a file is fairly flexible. + + +## more + +Has a defined project root (default: CWD). + +Has a path to root: %PATH, e.g. $ROOT/a/b/c/ + +Has a file name: $ROOT/ a/b/c/ foo.smp + +Everything in a dir is implicitly in name-space above it. + +Suppose `foo.smp` contains `PI=3.14;` + +Then the fully qualified name is: a.b.c.foo.PI + +Code is implicitly in the `struct a.b.c.foo {}` namespace. + +Final constant values can be accessed by direct names. + +Non-finals or non-constant need a constructed object. + + + +Top-level code in `foo.smp` is implicitly in the foo class init, +which runs the first time foo is touched, +which requires a "has been init" touch on every possible-first-access, +which is every non-local ("sideways") reference. + +Always the init for parents are done before children, +so `a` completes before `a.b`, and so on. + +Means `a` init can NOT reference e.g. `b,c,foo`, although +you can define top-level fcns that refer to `b`. + +Legal in `a.smp`: `val make_b = { -> new b{} };` // fcn is final constant + +Legal in `a.smp`: `val b = new b{} ;` // not constant, so requires instance & is done + +Means making an `a` instance in a's , will also run a's +which can refer to instance fcns, which can refer to not-init finals? +Limit: all fcns can only refer to instance vars *before* them. + + + +Would like to make golden instances, static singletons: +val special = new a{/*anything already in-scope and ed*/}; + + + +The default 1-file main then: +$ROOT==$CWD +Code is implicitly in the *empty* name space, is in the for the empty +name space and gets run on project start. + +------ + +Implications for e.g. sys: + + .../simple/sys.smp - top level, has sys.parseAryI64 + ../simple/sys/sys.io.smp - has `struct io { ... }` + + +For now just gather the exported TYPE symbols, and a count of them, and export/input ELF. +NO: for now split into `sys` class from instance, \ No newline at end of file diff --git a/chapter25/ROADMAP.md b/chapter25/ROADMAP.md new file mode 100644 index 00000000..981f65e3 --- /dev/null +++ b/chapter25/ROADMAP.md @@ -0,0 +1,462 @@ +## Separate Compilation + + +How to handle unknown forward ref? +No H-M, so no unification. +Demand no forward refs beyond functions... which will provide immediate signatures when def'd. + +Plan A: Remove FRefNode; fix all my bugs. +Fail A: I want mutual co-recurusion to work +Example: `val even = { int x -> x ? odd(x-1) : true; }; val odd = { int x -> x ? even(x-1) : false; };` + +Plan B: Require types ordered, but not any other fcn. `new T` can complain, +but not `fref.field` or `fref()` or `fref op fref` or `fref[]` + +Requires "lifting" Type.BOTTOM to the parser requirements everywhere. +So loading a field from an FRef requires: lift the FREF to a +TMP-to-TSTRUCT-with-FIELD... actually, just locally assume FREF will become +correct. Can't Lift it, no access, since type comes from random code. +TMP might be nullable (should error later). +TSTRUCT can/will be unnamed. Implies ALL TSTRUCT is unnamed. + +Issue is some unknown/remote/external/forward-ref. + +Allowing an FRef *at all* means everybody has to deal with seeing an FRef Type. +Allowing it for functions in same scope allow the above odd/even case . +Allowing it for structs in the same scope allows for co-recursive structs. +Promoting out-of-scope attempts the external lookup, then fails. + +Random junk usage: `sys.fld`. Looking up `sys` fails, now has to +guess: fref is ok, will be defined shortly... OR extern lookup now. +Then some usage delays trouble: +```java +// Extern or Future `sys` being returned. +val foo { -> return sys; } + +// foo() returns FRef, so Bottom, so the `.bar` has no type +// to do field lookups +val main { arg -> foo().bar } + +// HERE: Parser finds `sys` OR NOT?!?!?! +val sys??? = user_stuff....; + +``` + +Which gets to: parser never complains, builds SSA like a blind AST, +just wires up a graph with bad types all around. Requires: No Types +to guide parser! Just Syntax! + + (Obvious minor fail: widen floats- or-not) Fix: insert e.g. int-oper, return + type is MEET of Int,Float until both inputs are isa-Int and cannot lift to be + isa-Float + + Possible method call fail: + UNKNOWN_STRUCT_BOT.UNKNOWN_FIELD ( ARGS ); // Insert SELF OR NOT? + Possible fix: always assume a SELF arg, which is null for provable statics. + Optimization: constant parms get dropped from sig? *Constant* parms + must be constant from *Parser*, or else no unknown callers (so local opts). + Possible fix: SELF arg is *last* not *first*, easier to drop if dead? + + Load drops ConFldOff, keeps name. + Load keeps index unscaled, has index input, which is null for structs. + After Ptr Base is *closed*, base layout can happen, can fold index math. + - Load(ctrl, base, null ); // field name internal + - Load(ctrl, base, index_math ); // field name=='[]' + - Store(ctrl, base, null , val); + + FAIL: No Alias Info! + + +Plan C: + FRefs allowed for direct calls `odd()`, and for Types. + All other cases must *lift*. + + +## Unifying Structs and Arrays + +The idea is that structs have fields indexed by names, and arrays have fields +indexed by numbers, and these ideas are compatible with each other. This idea +has been used by the C language for a long time - an array can follow a normal +struct C and can index it with the usual array syntax. + +The alternative, using a field to hold a pointer to an array, exchanges some +flexibility for an extra indirection. The obvious flexibility allows swapping +the array out (generally for a larger one) and this is the basis of very common +`Vector` or `ArrayList` generic containers. + + +```java +struct str { + int hash; // A cache of the strings hash code + u32 #; // The array length + u8 []; // Array of bytes +}; + +str X = "abc"; +print(X.hash); // Read the hash field +X[0]=='a'; // Read array element 0 +X#; // Length of the array + +``` + +Here, the field named `#` holds the array length and the field named `[]` is +the actual array, which follows the other fields directly in memory. +Here is another example for variable length array: + +```java +struct vecInt { + u32 size; // Actual number of elements + u32 #; // The array length or capacity + int []; // Array of integers. +}; +``` + +The obvious limit here is that the array cannot be directly resized; it is +literally in the same memory block as the leading fields. Such a `vecInt` can +be *re-allocated* to a new larger `vecInt`, but the original `vecInt` will be +reclaimed - you cannot use the same `vecInt` reference forever. + +Any number of named fields are allowed: + +```java +struct Class { + str className; + str professor; + int time; + int credits; + Class prerequisite; + u16 #; // Limit of 65535 students per class + Student []; +}; +``` + +Or self-reference: + +```java +struct NTree { + Some val; + u8 #; // Length is 0-255 + NTree []; // More NTrees +}; +``` + +The syntax rules are: +- the last field is named `[]` and can be of any type. +- the second-to-last field is named `#` and must be some unsigned integer type + representing the maximum array length. +- may require a leading space in front of ` []` + + + +### Constructors and Arrays + +The allocation includes the array length, and can include a constructor: +`new NTree{val=17;}[2];` + +The constructor is optional, the array length is not. + +Optional function for initializing arrays, allows for write-once final arrays: +`new u8[buffer#,{ u32 idx -> buffer[idx].toUpperCase() }]` + + + +### Changing array max length + +An issue for large numbers of range-checked small arrays is that reserving a +full 4 bytes for array length can substantially increase the array overhead. +Simple allows for arrays to have smaller max lengths, although these are +treated as a different type than arrays with different max lengths. + +```java +struct x0 { u8 #; u8[]; }; // Array limited to 0-255 length +struct x1 { u16 #; u8[]; }; // Array limited to 0-65535 length +struct x2 { u32 #; u8[]; }; // +struct x3 { u64 #; u8[]; }; // + +x0 x = "abc"; // 4 bytes total: [3, 'a', 'b', 'c'] +x1 y = "def"; // 6 bytes total: [3, 0 , 'd', 'e', 'f', 0,]; 1 pad byte to acheieve 2-byte alignment +x = y; // ERROR, "x1 is not x0", no auto-widening +x += y; // OK, 7 bytes total: [6, 'a', 'b', 'c', 'd', 'e', 'f'] +y += x; // OK, 8 bytes total: [6, 0 , 'd', 'e', 'f', 'a', 'b', 'c'] + +x += "VeryLongString.... ....255_chars"; // Runtime RangeCheck + +// Explicit conversion to widen string +y = "" + x; +``` + + +### Two flavors of extendable arrays/strings: an extra indirection or not + +With an extra indirection you get e.g. Java `ArrayList` or C++ `Vector`. + +Without, then any call which extends the extendable array return a potentially +new object, only growing as needed. + +```java +val vec1 = new vecInt[0].add(2); // len=1, capacity=1 +val vec2 = vec1.add(3); // NEW vecInt returned, only is deleted; len=2; capacity=2; +vec1[0]; // ERROR, vec1 has been freed by call to `vec1.add(3)` +vec2[0]; // OK +vec2[1]; // OK +vec2[2]; // Runtime error, AIOOBE +``` + + +## A String Implementation + +Default strings have names like "str", "cstr", "ustr" or such. + +Always unicode8 with explicit u8 manipulations. Unicode "characters" will come +as function calls over the base implementation, probably in another string class. + +## Default string + +Efficiently growable via concantenation. Supports a variety of IO/printf functions. +The underlying array can be shared mutable if you ask for this. +The defaults will always be private mutable and read-only shared. + +```java +struct str { + + // Add a string to the string, possibly growing + val add = { str str -> + val self = this; + for( int i=0; i + if( len >= # ) return copy(# ? #*2 : 1).add(e); + [size++] = e; + return this; + }; + + // Copy 'this' to a new larger size + val copy = { int sz2 -> + val v2 = new str[sz2]; + for( int i=0; i sys.libc.write(1/*stdout*/,[]/*array base as argument to C*/,len); return this; } + + u32 len; // In-use size + u32 #; // Max length is 4Gig, although variants can request smaller lengths + u8 []; // Character data +}; +``` + + +### A Final String + +Intended to be a **immutable** string, possibly used as a base for a **secure** +string. This needs to be created all at once, and probably requires a +defensive copy. + +```java +struct sstr { + // Possible static call syntax; no references to "this" + val make { str str -> new sstr[str#,str.at] }; + + // Array contents are immutable. + // Still figuring out good syntax for this. + u8 #; + u8 [~]; // Middlin '~'? Makes primitive array contents *immutable* and requires constructor syntax +}; + +// Construction requires a function that produces the array contents. +// Here we are defining a defensive copy over `buf`. +sstr safe = new sstr[buf.len,{ int idx -> buf[idx]; }]; +sstr safe = sstr.make("abc"); // Defensive copy is made +``` + + +### A Extendable String (aka StringBuilder or StringBuffer) + +This API is intended to be a drop-in for a `StringBuilder` style, and takes an +extra indirection with each usage. + +```java +struct xstr { + str !_str; // The extra indirection is here + val add = { str str -> _str = str.add2(str); }; + val write = { int fd -> _str.write(fd); }; +}; +``` + +### A Unicode String + +This API is intended to support unicode character manipulation over a plain `str` + +```java +struct ustr { + // Assuming idx is at the start of a character, return the character + // as a 32b integer. Returns junk integer if not at a character start. + // For all ASCII strings this will amount to a simple byte load. + // For bytes with high order bits set, this may read 1-4 characters. + val at = { int idx -> ... }; +}; +// Unicode character iterator +struct ucharator { +// Return successive unicode character codes +}; +``` + +### A "C" string + +A zero-terminated string, but the length has to be available directly + +```java +struct cstr { + u8 #; // length including the trailing zero + u8[]; // always ends in a zero byte; suitable for direct passing to C string functions +}; +``` + +### A "german string": a very short string that can exist in a register + +Length in memory is 1 byte (3 bits?) of length, then 0-7 chars; max 8 chars. +Fits in a 64 bit register. + +```java +struct gstr { // aka germanString, or blend string and register "streg" + u3 #; // Size is 0-7 bytes??? + u8 []; // Up to 7 bytes +} +// Using inlined object (see below). All these strings are short and are +// represented as packed integers in a 64b register. +*gstr prize1 = "gold"; +*gstr prize2 = "silver"; +*gstr prize3 = "bronze"; + +``` + +### Main becomes `val main = { str[] args -> ...}` + + +## Structs can be inlined + +Structs are normally by-reference, but can be converted to by-value by using +the `*` operator, pronounced "contents of" (this name might be changed to +e.g. `inline`). + +This is a name-space change only, you cannot take the address of the internal +struct without entirely consuming its lifetime. No "escaping". + +```java +// 2 64-bit words, no other overheads +struct Complex { f64 x,y; val len = { ->Math.sqrt(x*x+y*y); }; }; + +// Current Simple rules: always by-reference +struct ByRef { + Complex c; // 4-byte pointer to a Complex +}; +print(new ByRef.c.y); // Lookup requires 1 extra memory load from ref to c + +// New behavior: by value (inlining a struct) +// The '*' syntax indicator can be something else, e.g. a keyword "inline" +// I am pronouncing '*' as "contents of" +struct ByValue { + *Complex c; // c is inlined, full 16 bytes into ByValue +}; +print(new ByValue.c.y); // x,y inlined into ByValue, no extra memory load + +// Mixing Refs and Struct Values. Basically, a ref can be converted +// to a value by taking the "contents of" the ref, and values cannot +// be *converted* to a ref, although they can be copied over a ref. +ref. c = val.c; // Error, mixing refs and values +ref.*c = val.c; // Allowed, whole structure copy. Does not allocate, requires ref.c not-null +val. c = ref.c; // Error, mixing refs and values +val. c = *ref.c; // Allowed, whole structure copy +ref. c = ref.c; // Allowed, pointer copy +val. c = val.c; // Allowed, whole structure copy. +val *c = val.c; // Error, cannot take "contents of" a value + +// Alternative syntax, to avoid the "contents of" being on LHS and field applying to being on RHS: +ref.c = val.*c; // Assign into ref.c the "contents of" val.c + +// Arrays of inlined structures +var ary = new *Complex[99]; // Array of 99 Complex objects, inlined + +// Calling methods has the same syntax +ref.c.len(); +val.c.len(); + +// Function arguments use the same typing, so can pass-by-value +val math.sin = { *Complex c -> ... }; // Passes a complex by value +math.sin(ref.*c); // Requires de-reference to pass by value +math.sin(val. c); // Pass by value + +``` + + + +## RoadMap for other chapters + +`&&` and `||` +Drop `int` to `i32`. +Drop `TypeMemPtr` to 4 bytes; using `mmap` to make heap in low 4G. +Default parser for-loop construction, or partial peel. + `for( init; test; next ) body` +becomes: +```java +{ init; // Normal scope entry to bound lifetime of index variable +if( !test ) { // Zero-trip count test + do { + body; + next; + } while( test ); // Exit test at loop bottom by default +} }; +``` + +## `&&` and `||` + +The logical operators && (AND) and || (OR) are short-circuiting, meaning they may skip evaluating the second condition if the first one already determines the result: + +- `&&` stops if the first operand is false. +- `||` stops if the first operand is true. + +They are syntactic sugar—used for cleaner control flow—but they don't create new nodes in the execution model. + +The `&&` and `||` constructs are simple syntactic sugars that only modify the control flow and do not +introduce new nodes. + +Consider this example: +```java +int a = 1; +int b = 0; + +if(a++ || b++ ) { + if(b == 0 && a == 2) { + sys.io.p("Or"); + } +} else{ + sys.io.p("And"); +} +return 0; +``` +- `a++` evaluates to 1 (true), so `b++` is not evaluated. +- As a result, `b` stays 0, `a` becomes 2, and "Or" is printed. + +```java +int a = 1; +int b = 1; + +int x=1; +int y=1; +int z=0; + +int g = x++ && y++ && z++; +... +``` +Here: +- `x++` is true (1), so it evaluates `y++`, which is also true. +- Then it evaluates `z++`, which is false (0). +- Since `&&` requires all conditions to be true, the final result `g` is 0. +- All operands up to the false one are evaluated, so `x`, `y`, and `z` are all incremented. diff --git a/chapter25/WIP-HANDOFF.md b/chapter25/WIP-HANDOFF.md new file mode 100644 index 00000000..9c4503d8 --- /dev/null +++ b/chapter25/WIP-HANDOFF.md @@ -0,0 +1,387 @@ +# Chapter 25 direct-to-SSA parser rewrite handoff + +Updated 2026-08-04 for transfer to another AI session/machine. + +## Read this first + +- Repository: `Simple/chapter25` +- Branch: `ch25-parser-simplification` +- Preservation tag: `ch25-parser-before-simplification` at `4d6a59ed` +- Last pushed commit: `4f8759b3 Rotate random seed and fix more bugs` +- Remote branch was at the same commit when this handoff was written. +- The working tree is dirty **after** that pushed checkpoint. Preserve it. +- The full original design/rollback plan is in + `parser-simplification-plan.md`. This file supersedes the old WIP handoff. + +Do not reset, clean, or mechanically restore the working tree. The dirty files +contain Cliff's next experiment. Untracked `.argsM.txt` and `.out.txt` are +transient local files, not source changes; `.argsM.txt` was locked when the +handoff test run was attempted. + +## Why this branch exists + +The constructor syntax rewrite exposed a deeper architectural flaw. This repo +is an experiment in parsing a high-level language directly into SSA in one +pass, without first constructing an AST. Forward declarations therefore remain +unknown during parsing. The parser had nevertheless been consulting provisional +types to choose permanent graph structure. + +The central rule of the rewrite is: + +> Syntax and resolved lexical binding choose SSA topology. Types may sharpen, +> optimize, and reject that graph, but provisional types must not decide its +> shape. + +The branch is deliberately unsquashed. Git, especially the preservation tag, +is the “this was a giant mistake; walk it back” path. Removed mechanisms should +be restored by named revert/cherry-pick/new commits, not by copying mysterious +pieces out of history. + +## Original goals + +The original plan had these major parts: + +1. Remove parser-supplied `_con` lower-bound types from Phi, Load, Store, and + similar nodes. Make `compute()` total on weak inputs. +2. Stop using inferred types for integer-versus-floating arithmetic topology. +3. Separate unresolved lexical field binding from type inference, eventually + using scope-owned unresolved loads/stores resolved at scope close. +4. Parse unresolved stores against bulk alias `#1`, then recover precise alias + structure monotonically after the alias is known. +5. Keep call shape syntactic: `ptr.fld(args)` always carries `ptr` in the hidden + self slot, even if the loaded function is ultimately a top-level function. +6. Separate authoritative declared function arguments from inferred return and + call-site information; reconsider/remove `FunNode._sig` as cached state. +7. Replace boolean field-final knowledge with four states: unknown, mutable, + final, and conflicting/BAD_FINAL, including TypeTest coverage. +8. Preserve `Type.closeOver()` and canonical cyclic named-type closure without + making parser topology depend on whether closure has happened yet. +9. Advance chapter-by-chapter, keeping earlier chapters and TypeTest green. + +Those remain the completion goals unless explicitly revised below. + +## Goals and invariants learned during implementation + +The following refinements became equally important: + +- Optimization/worklist order must not affect semantics or trigger structural + assertions. Random seed changes are a diagnostic tool, not a way to select a + preferred result. Minor graph-print and register-spill goldens may vary, but + should eventually be hardened where practical. +- `compute()` must be monotonic and simpler than `idealize()`. When both inspect + the same facts, `idealize()` should inspect them in the same order. +- An idealization must preserve already-known type information immediately; + the expensive `IterPeeps.progressOnList` assertion is intentionally catching + one-step Church-Rosser/monotonicity failures. +- Maintain Node keep/unkeep lifetime discipline when moving, cloning, or + replacing graph pieces. +- The parser carries only one bulk memory state. Precise alias slicing and + `MemMergeNode` are graph semantics, not nested parser state. +- At every program slice, alias memories are disjoint and collectively cover + every alias exactly once. Bulk memory means “all aliases not split out here.” +- Calls, call ends, returns, and memory parameters deliberately use opaque bulk + memory to control graph size. Precision across those boundaries comes from + careful inlining. +- Public concrete bulk alias-`#1` memory is never final. A single final bit + cannot truthfully describe an aggregate of unrelated unsplit aliases. + Private singleton memory and precise slices may retain finality. +- Precise aliases can peek through a `MemMerge`. Bulk memory can peek through + only when its excluded-alias coverage agrees with the merge. +- A bulk Phi carries an exclusion BitSet (`All - E`); parallel `MemPhiNode`s + carry the precise aliases in `E`. +- Mode selection for unified numeric nodes is a one-shot structural event. + `_mode` participates in GVN identity; flipping it unlocks and reinitializes + the node before IterPeeps observes it. + +## What has been completed on this branch + +### Preservation and early constraint removal + +- Created `parser-simplification-plan.md`, the dedicated branch, and permanent + pre-experiment tag. +- Fixed the `_Scan` constructor migration that initially obscured the work. +- Removed the parser constraint from ordinary Phis. Weak loop Phi inputs are + tolerated. The dead ordinary-Phi type field and serialization were removed. +- Split memory Phis out of ordinary Phi logic: + - `MemPhiNode` represents one precise alias. + - `BulkMemPhiNode` represents `All - exclusions`. + - Memory-specific compute/ideal behavior moved out of base Phi where useful. + +### Casts, guards, and conversions + +- Split the old overloaded Cast concept into: + - `GuardNode`: delayed zero/nonzero branch refinement with direction. + - `CheckCastNode`: proof/runtime type check which must fold or diagnose. + - `ConvertNode`: the one numeric/value conversion abstraction. +- Removed the old `liftExpr`-style broad parser helper in favor of explicit, + smaller conversion sites. +- Removed the obsolete `Evaluator`; `Eval2` is authoritative. + +### Parser memory simplification and alias recovery + +- Removed the parser's eager nested precise-memory slicing. Parser `ScopeNode` + state now tracks bulk memory rather than a parser-owned `MemMerge` bundle. +- Alias `#1` is the unresolved Store state. A Store sharpens once to `#N`; all + later alias evidence must agree. +- Store sharpening inserts/reconstructs precise memory plus a `MemMerge`, + preserving the bulk remainder locally. +- Added lazy creation/widening of precise memory Phis from bulk Phis and + MemMerges, including recovery when a parallel precise Phi already collapsed. +- Added checks around the exactly-once memory-slice invariant and fixed several + load/store push-through oscillations and missing slice cases. +- `EscapeNode` is recognized as a precise alias consumer of a bulk memory Phi. +- Parser constructor handling now recognizes named constructors structurally + and threads private constructor memory correctly; class-initializer return + memory handling was also repaired. + +### Unified integer/floating operations + +- Replaced split integer/FP Add/Sub/Mul/Div opcodes with unified source-level + operations carrying a one-shot mode: unknown, integer, or float. +- Bool and Minus share the small `ModeNode` contract where useful; Bool output + remains integer even for floating inputs. +- ULT is permanently integer-only. +- Added mode serialization and removed obsolete commented float-node/tag code. +- Recursive numeric SCCs are resolved after SCCP using graph evidence; float + wins when both families are present because integer operands can convert. +- Mode resolution now reinitializes cached type immediately before IterPeeps. +- Error checking for Arith/Bool/Minus was unified without allocating argument + arrays. + +### Load and memory type cleanup + +- `LoadNode` no longer stores a parser-provided `_con`. Its declared field type + is obtained via an accessor once the pointer/field exists; late type checking + reports missing/invalid fields. +- Deeply read-only pointer information is honored by loads instead of being + widened back to the generic declared struct field type. +- `MemPhiNode` deliberately starts weak enough that later precise field + knowledge remains monotonic. +- Public concrete bulk memory is forced non-final in `TypeMem`; cyclic dual + construction handles its temporary null payload. `TypeTest` passed after + this Type change. + +### Calls, cloning, and optimizer order + +- Instance-call hidden-self shape is syntactic rather than inferred from the + eventual function value. +- Function-body cloning/inlining was repaired for loop backedges; an earlier + bug left cloned inlined nodes pointing into the original function loop. +- IterPeeps replacement scheduling now revisits both old and replacement inputs + and replacement outputs. +- Monotonicity diagnostics now include node IDs and detailed input types/classes. +- Worklist seeds 124, 125, and 126 exposed and drove fixes for collapsed + precise Phis, bulk finality, numeric-mode cached types, and Escape alias use. + +## Known-good pushed checkpoint + +At pushed commit `4f8759b3`: + +- Default worklist seed is `126` (also used by `TestC`). +- `TypeTest` passed: 6 tests. +- Chapters 1 through 20 passed: 347 tests, zero failures. +- The seed-126 Ch5 graph shape and Ch20 x86 spill count were accepted as + goldens after structural failures were eliminated. +- `git diff --check` was clean before that commit was pushed. + +Recent milestone commits, newest first: + +```text +4f8759b3 Rotate random seed and fix more bugs +14a1a028 Fix general memory split issues +eea3d783 Fix cloning functions with loops +f036a040 minor fixes, thru ch18 +eaee86b8 Handle ambiguous self-recursive int/flt conversions +b9434562 Fixed up to ch17, plus some ch18 +18f07318 Uniform int/fp errors +f729484c Hey ch1-13 working again +58e012e6 Remove LoadNode dependence on _con +0bc690ae Final cleanup around unified int/fp ops +9720093f Finish off unified int/flt opcodes +54e5b83b Refactor Phi into MemPhi, BulkMemPhi +fe7ce3c4 WIP parse ordinary memory as bulk partitions +21352840 WIP rethread stores after alias resolution +1f7cb4ac Replace Lift with one destination ConvertNode +bbe7ebdd Rename proof casts to CheckCast +b3da12fd Delay branch zero refinements with GuardNode +fa4f33e7 Remove parser type constraint from ordinary phis +``` + +## Current dirty WIP after `4f8759b3` + +At handoff, tracked modifications are: + +```text +src/main/java/com/seaofnodes/simple/codegen/Opto.java +src/main/java/com/seaofnodes/simple/node/LoadNode.java +src/main/java/com/seaofnodes/simple/node/StoreNode.java +src/test/java/com/seaofnodes/simple/Chapter10Test.java +src/test/java/com/seaofnodes/simple/Chapter21Test.java +``` + +These appear to be an active experiment around weak Load/Store computation and +preserving precise Store users while an unresolved bulk Store sharpens: + +- `LoadNode.compute()` was reordered to inspect pointer and memory weak states + explicitly. A non-pointer low input currently falls back to `mem._t`. +- `StoreNode.compute()` currently comments out the `err() -> BOTTOM` fallback, + and `escapesFrom` was changed from the met value `t` to the stored `val`. +- When an alias-1 Store expands into a precise Store plus MemMerge, users which + already require the same alias are repointed directly to the new precise + Store before the bulk Store is replaced. +- Several Chapter 10 goldens currently retain a `Stop[...]` with returned + memory instead of expecting it to disappear. +- Chapter 21 `testAntiDeps1` x86 spill expectation is changed from 7 to 9. +- `Opto.linkStart` has a commented-out high-escape-set early return. There is + also an accidental comment typo (`asn inst`); clean that before committing. + +Treat all of those as WIP, not settled design. In particular, reconsider +whether changing goldens to retain memory hides incomplete dead-memory cleanup. +Do not discard the changes before understanding the failing case that motivated +them. + +The attempted handoff test command could not run because Make reported: + +```text +Makefile:111: *** open: .argsM.txt: Permission denied. Stop. +``` + +This is probably another active-process/Windows file-lock issue. Previously an +IntelliJ Java debugger was conclusively found to lock JAR/class outputs; killing +the debug process allowed compilation immediately. Close relevant Java/IDE or +Make processes, preserve or remove only the transient `.argsM.txt` as +appropriate, then rerun tests. Do not delete source files to work around it. + +## Work still required to finish the rewrite + +### Immediate frontier + +1. Recover the intent and test state of the five dirty WIP files. +2. Clear the `.argsM.txt` lock and run, in order: + - the motivating focused test; + - `TypeTest`; + - Chapters 1–20; + - Chapter 21, especially `testAntiDeps1` and `testStringExport`; + - then all of `tests_raw0`. +3. Decide whether same-alias Store users being repointed during sharpening is + the canonical local rewrite. Verify it preserves every user's old type in + one step and the exactly-once alias coverage invariant. +4. Restore the `Opto.linkStart` high-set error handling unless a reduced test + proves it wrong; never iterate `XInt.next` over a high/infinite set blindly. +5. Separate legitimate golden changes from leaked/dead returned memory. + +### Store `_con` and weak diagnostics + +`LoadNode._con` is gone, but `StoreNode._con` remains. It still sharpens from a +Field and trims stored values. Continue the original small-step experiment: + +- Determine whether `_con` is authoritative declared storage width or merely a + cache of `ptr.field(name)._t`. +- If it is derivable, replace uses with an accessor as was done for Load. +- Keep error reporting in `err()`/type checking rather than manufacturing + parser-time graph topology or accidental BOTTOM propagation. +- Use a diagnostic whose offending node has no BOTTOM inputs when validating + late error selection. + +### True unresolved lexical fields (original Phases 2/3) + +The memory alias machinery now tolerates an alias-1 Store and sharpens it +later, but the full lexical design is not complete: + +- Unqualified instance/class field references before declarations must resolve + by closed lexical scope, not by whichever pointer type happens to sharpen. +- A scope-owned unresolved load/store representation may still be needed. +- Resolution must select self versus class initializer base, precise alias, and + constructor `init` status together. +- Locals remain define-before-use and need no unresolved mechanism. +- Verify loops can lazily widen precise alias runs without global O(n²) + reconstruction or Phi/MemMerge oscillation. + +### Field finality (original Phase 6) + +The planned two-bit four-state Field finality has not been implemented: + +```text +00 unknown +01 declared mutable +10 declared final +11 conflicting / BAD_FINAL +``` + +This still needs accessors, meet/join specification, equality, hashing, dual, +printing/serialization as needed, representative `gather()` entries, and full +`TypeTest`. Parser-declared final stores require the structural `init` marker; +non-init writes to a resolved final field are errors. Cyclic named structs must +merge finality during `Type.closeOver()`. + +Do not confuse Field finality with bulk-memory finality: public bulk memory is +now always conservatively non-final. + +### Function contracts (original Phase 5) + +`FunNode._sig` still deserves an audit: + +- Declared argument syntax is required and authoritative. +- Return type is graph-derived. +- Private functions may sharpen from known call sites. +- Escaping functions need a worst-case/default unknown caller tied to the + declared type binding. +- Forward-declared argument types need a changing type source, not a true + ConstantNode. +- Remove cached signature state that can be derived from Fun/Parm/Return edges; + retain explicit declared contracts. + +### Final acceptance + +- Sweep several deterministic worklist seeds, not just 126. Semantic graph + results must converge independent of order. +- Harden graph-print and spill-count tests where harmless scheduling variation + remains. Do not weaken monotonicity or memory-coverage assertions. +- Run `tests_raw0`, then `tests_raw1`, then `tests_alone`. +- Run `TypeTest` after every Type/Field lattice change. +- Confirm serialization/deserialization after every new semantic node field or + mode bit. +- Audit the parser for remaining type-dependent structural choices, especially + conversions, field base selection, function self shape, and alias slicing. + +## Debugging guidance + +- Node IDs are central to debugging; refer to nodes as `Store#107`, `Phi#105`, + etc. +- Stop at the earliest `IterPeeps` count where the graph becomes invalid. +- `Opto.worklistCheck` catches missed/non-monotonic SCCP updates. +- `IterPeeps.progressOnList` catches one-step type and idealization failures; + its current detailed input dump was added specifically for order bugs. +- For memory bugs, check both: + 1. each program slice covers every alias exactly once; and + 2. a precise consumer never obtains an alias excluded from its bulk input + without a parallel precise slice. +- A precise `MemPhi#N` fed by a `MemMerge` whose default bulk excludes `N` and + which has no explicit `N` input is malformed. +- Avoid “fixes” which merely queue a favored node earlier. Change the seed and + demand order-independent semantics. +- Golden changes are acceptable only after semantic evaluation, type + monotonicity, and graph invariants are known good. + +## Workflow and safety + +- Cliff wants to review every push. Ask permission immediately before pushing. + In this handoff Cliff said he would push the current completed checkpoint; + do not assume that grants future push permission. +- Push remote checkpoints for backup once approved. +- Commit at useful test frontiers with messages describing the architectural + change, not only the symptom. +- Preserve unrelated dirty edits. Emacs temporary files are common and need + not be reported repeatedly. +- Windows IntelliJ debug sessions may lock JARs/class files. Report the lock, + have Cliff stop the debugger, and retry before changing build machinery. +- Prefer narrow changes; unwind experiments that cause cascading regressions. + +## Rollback paths + +- Whole experiment: branch from tag `ch25-parser-before-simplification`. +- Individual mechanism: revert/cherry-pick the narrow branch commits. +- Inspect old implementation without mutating this branch: + `git diff ch25-parser-before-simplification..HEAD` or `git show :`. +- Do not squash until the rewrite is accepted; the commit sequence is part of + the recovery design. diff --git a/chapter25/ainotes.txt b/chapter25/ainotes.txt new file mode 100644 index 00000000..625acddc --- /dev/null +++ b/chapter25/ainotes.txt @@ -0,0 +1,30 @@ + +Meta-info: I intend to keep extending and re-editing this "ainotes.txt" file so +I can reprompt the you (the AI) between AI restarts, As such this file will +contain a mix of high-level design decisions, goals, intents and wisdom, and +then taper down to more detailed problems and solutions - which probably keep +changing. + +AI is allowed access to all files recursively in "C:/Users/cliffc/Desktop/Simple" +directory. + +Meta-info: all the tests run with `make tests` currently run, and should again +run before we accept any changes. + + +The overall project is rooted in the `Simple/` directory, +and is a compiler tutorial broken up into chapters. +The chapters build on each other. + +Read the code in this chapter25; the goal in this chapter is to allow separate +compilation. I want to compile a "standard library", the start of which is in +`src/main/smp/sys.smp` and subdirectories and end up with either an archive or +a "fat ELF .o" file. + +Then I want to compile a 1-liner "hello world" program: + `sys.io.p("Hello World!");` +and have the symbols `sys`, `io` and `p` be found in the standard library. + +I am using a test case to represent this seperate compilation strategy in +`Chapter25Test.testModules`. There are comments there to help drive my +thinking. diff --git a/chapter25/docs/18-grammar.md b/chapter25/docs/18-grammar.md new file mode 100644 index 00000000..7b611fbf --- /dev/null +++ b/chapter25/docs/18-grammar.md @@ -0,0 +1,132 @@ +# Grammar for Chapter 16 + +```antlrv4 +grammar SimpleLanguage; + +program : block EOF ; + +block : statement+ ; + + +statement + : '{' block '}' + | returnStatement + | ifStatement + | whileStatement + | breakStatement + | continueStatement + | metaStatement + | structDeclaration + | expressionStatement + ; + + +returnStatement : 'return' expression ';' ; + +ifStatement : 'if' '(' expression ')' statement ('else' statement)? ; + +whileStatement : 'while' '(' expression ')' statement ; + +breakStatement : 'break' ';' ; + +continueStatement : 'continue' ';' ; + +metaStatement : '#showGraph' ';' ; + +structDeclaration : 'struct' IDENTIFIER '{' block '}' ; + +expressionStatement + : type IDENTIFIER ';' + | type IDENTIFIER '=' expression ';' + | IDENTIFIER '=' expression ';' + | expression + ; + +PRIMTYPE + : 'int' + | 'i8' + | 'i16' + | 'i32' + | 'i64' + | 'u8' + | 'u16' + | 'u32' + | 'flt' + | 'f32' + | 'f64' + | 'bool' + ; + +type + : PRIMTYPE + | typeName '?'? + | typeName nestedArray+ + ; + +nestedArray : '?'? '[]'* ; + +typeName : IDENTIFIER ; + + +expression : bitWiseExpression ; + +bitWiseExpression + : comparisonExpression ( '&' | '|' | '^' ) comparisonExpression)* + ; + +comparisonExpression + : shiftExpression (('==' | '!='| '>'| '<'| '>='| '<=') shiftExpression)* + ; + +shiftExpression + : additiveExpression ( '<<' | '>>>' | '>>' ) additiveExpression)* + ; + +additiveExpression + : multiplicativeExpression (('+' | '-') multiplicativeExpression)* + ; + +multiplicativeExpression + : unaryExpression (('*' | '/') unaryExpression)* + ; + +unaryExpression + : ('-') unaryExpression + | '!' unaryExpression + | primaryExpression postAssign + ; + +primaryExpression + : INTEGER_LITERAL + | FLOAT_LITERAL + | '(' expression ')' + | 'true' + | 'false' + | 'null' + | newExpression + | IDENTIFIER + ; + +newExpression + : 'new' IDENTIFIER [ '{' block '}' ] + | 'new' IDENTIFIER '[' expression ']' + ; + +postAssign : postFix [ '=' expression ] | [ '#' ]; + +postFix + : '.' IDENTIFIER postFix + | '[' expression ']' postFix + ; + + +IDENTIFIER : NON_DIGIT (NON_DIGIT | DIGIT)* ; + +INTEGER_LITERAL + : [1-9]DIGIT* + | [0] + ; + +NON_DIGIT: [a-zA-Z_]; +DIGIT: [0-9]; +``` diff --git a/chapter25/docs/Makefile b/chapter25/docs/Makefile new file mode 100644 index 00000000..12659b8f --- /dev/null +++ b/chapter25/docs/Makefile @@ -0,0 +1,12 @@ +GV := $(wildcard *.gv) +SVG := $(patsubst %.gv,%.svg,$(GV)) + +.PHONY: all +all: $(SVG) + +%.svg: %.gv + dot -Tsvg $< > $@ + +.PHONY: clean +clean: + @rm -f $(SVG) diff --git a/chapter25/docs/d3-graphviz.js b/chapter25/docs/d3-graphviz.js new file mode 100644 index 00000000..7439ba65 --- /dev/null +++ b/chapter25/docs/d3-graphviz.js @@ -0,0 +1,2014 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('d3-selection'), require('d3-dispatch'), require('d3-transition'), require('d3-timer'), require('d3-interpolate'), require('d3-zoom'), require('d3-format'), require('d3-path')) : + typeof define === 'function' && define.amd ? define(['exports', 'd3-selection', 'd3-dispatch', 'd3-transition', 'd3-timer', 'd3-interpolate', 'd3-zoom', 'd3-format', 'd3-path'], factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global["d3-graphviz"] = {}, global.d3, global.d3, global.d3, global.d3, global.d3, global.d3, global.d3, global.d3)); +})(this, (function (exports, d3, d3Dispatch, d3Transition, d3Timer, d3Interpolate, d3Zoom, d3Format, d3Path) { 'use strict'; + + function _interopNamespaceDefault(e) { + var n = Object.create(null); + if (e) { + Object.keys(e).forEach(function (k) { + if (k !== 'default') { + var d = Object.getOwnPropertyDescriptor(e, k); + Object.defineProperty(n, k, d.get ? d : { + enumerable: true, + get: function () { return e[k]; } + }); + } + }); + } + n.default = e; + return Object.freeze(n); + } + + var d3__namespace = /*#__PURE__*/_interopNamespaceDefault(d3); + + function _arrayLikeToArray(r, a) { + (null == a || a > r.length) && (a = r.length); + for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; + return n; + } + function _arrayWithoutHoles(r) { + if (Array.isArray(r)) return _arrayLikeToArray(r); + } + function _defineProperty(e, r, t) { + return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { + value: t, + enumerable: !0, + configurable: !0, + writable: !0 + }) : e[r] = t, e; + } + function _iterableToArray(r) { + if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r); + } + function _nonIterableSpread() { + throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + } + function _toConsumableArray(r) { + return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread(); + } + function _toPrimitive(t, r) { + if ("object" != typeof t || !t) return t; + var e = t[Symbol.toPrimitive]; + if (void 0 !== e) { + var i = e.call(t, r || "default"); + if ("object" != typeof i) return i; + throw new TypeError("@@toPrimitive must return a primitive value."); + } + return ("string" === r ? String : Number)(t); + } + function _toPropertyKey(t) { + var i = _toPrimitive(t, "string"); + return "symbol" == typeof i ? i : i + ""; + } + function _unsupportedIterableToArray(r, a) { + if (r) { + if ("string" == typeof r) return _arrayLikeToArray(r, a); + var t = {}.toString.call(r).slice(8, -1); + return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; + } + } + + function extractElementData(element) { + var datum = {}; + var tag = element.node().nodeName; + datum.tag = tag; + if (tag == '#text') { + datum.text = element.text(); + } else if (tag == '#comment') { + datum.comment = element.text(); + } + datum.attributes = {}; + var attributes = element.node().attributes; + if (attributes) { + for (var i = 0; i < attributes.length; i++) { + var attribute = attributes[i]; + var name = attribute.name; + var value = attribute.value; + datum.attributes[name] = value; + } + } + var transform = element.node().transform; + if (transform && transform.baseVal.numberOfItems != 0) { + var matrix = transform.baseVal.consolidate().matrix; + datum.translation = { + x: matrix.e, + y: matrix.f + }; + datum.scale = matrix.a; + } + if (tag == 'ellipse') { + datum.center = { + x: datum.attributes.cx, + y: datum.attributes.cy + }; + } + if (tag == 'polygon') { + var points = element.attr('points').split(' '); + var x = points.map(function (p) { + return p.split(',')[0]; + }); + var y = points.map(function (p) { + return p.split(',')[1]; + }); + var xmin = Math.min.apply(null, x); + var xmax = Math.max.apply(null, x); + var ymin = Math.min.apply(null, y); + var ymax = Math.max.apply(null, y); + var bbox = { + x: xmin, + y: ymin, + width: xmax - xmin, + height: ymax - ymin + }; + datum.bbox = bbox; + datum.center = { + x: (xmin + xmax) / 2, + y: (ymin + ymax) / 2 + }; + } + if (tag == 'path') { + var d = element.attr('d'); + var points = d.split(/[A-Z ]/); + points.shift(); + var x = points.map(function (p) { + return +p.split(',')[0]; + }); + var y = points.map(function (p) { + return +p.split(',')[1]; + }); + var xmin = Math.min.apply(null, x); + var xmax = Math.max.apply(null, x); + var ymin = Math.min.apply(null, y); + var ymax = Math.max.apply(null, y); + var bbox = { + x: xmin, + y: ymin, + width: xmax - xmin, + height: ymax - ymin + }; + datum.bbox = bbox; + datum.center = { + x: (xmin + xmax) / 2, + y: (ymin + ymax) / 2 + }; + datum.totalLength = element.node().getTotalLength(); + } + if (tag == 'text') { + datum.center = { + x: element.attr('x'), + y: element.attr('y') + }; + } + if (tag == '#text') { + datum.text = element.text(); + } else if (tag == '#comment') { + datum.comment = element.text(); + } + return datum; + } + function extractAllElementsData(element) { + var datum = extractElementData(element); + datum.children = []; + var children = d3__namespace.selectAll(element.node().childNodes); + children.each(function () { + var childData = extractAllElementsData(d3__namespace.select(this)); + childData.parent = datum; + datum.children.push(childData); + }); + return datum; + } + function createElement(data) { + if (data.tag == '#text') { + return document.createTextNode(""); + } else if (data.tag == '#comment') { + return document.createComment(data.comment); + } else { + return document.createElementNS('http://www.w3.org/2000/svg', data.tag); + } + } + function createElementWithAttributes(data) { + var elementNode = createElement(data); + var element = d3__namespace.select(elementNode); + var attributes = data.attributes; + for (var _i = 0, _Object$keys = Object.keys(attributes); _i < _Object$keys.length; _i++) { + var attributeName = _Object$keys[_i]; + var attributeValue = attributes[attributeName]; + element.attr(attributeName, attributeValue); + } + return elementNode; + } + function replaceElement(element, data) { + var parent = d3__namespace.select(element.node().parentNode); + var newElementNode = createElementWithAttributes(data); + var newElement = parent.insert(function () { + return newElementNode; + }, function () { + return element.node(); + }); + element.remove(); + return newElement; + } + function insertElementData(element, datum) { + element.datum(datum); + element.data([datum], function (d) { + return d.key; + }); + } + function insertAllElementsData(element, datum) { + insertElementData(element, datum); + var children = d3__namespace.selectAll(element.node().childNodes); + children.each(function (d, i) { + insertAllElementsData(d3__namespace.select(this), datum.children[i]); + }); + } + function insertChildren(element, index) { + var children = element.selectAll(function () { + return element.node().childNodes; + }); + children = children.data(function (d) { + return d.children; + }, function (d) { + return d.tag + '-' + index; + }); + var childrenEnter = children.enter().append(function (d) { + return createElement(d); + }); + var childrenExit = children.exit(); + childrenExit = childrenExit.remove(); + children = childrenEnter.merge(children); + var childTagIndexes = {}; + children.each(function (childData) { + var childTag = childData.tag; + if (childTagIndexes[childTag] == null) { + childTagIndexes[childTag] = 0; + } + var childIndex = childTagIndexes[childTag]++; + attributeElement.call(this, childData, childIndex); + }); + } + function attributeElement(data) { + var index = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0; + var element = d3__namespace.select(this); + data.tag; + var attributes = data.attributes; + var currentAttributes = element.node().attributes; + if (currentAttributes) { + for (var i = 0; i < currentAttributes.length; i++) { + var currentAttribute = currentAttributes[i]; + var name = currentAttribute.name; + if (name.split(':')[0] != 'xmlns' && currentAttribute.namespaceURI) { + var namespaceURIParts = currentAttribute.namespaceURI.split('/'); + var namespace = namespaceURIParts[namespaceURIParts.length - 1]; + name = namespace + ':' + name; + } + if (!(name in attributes)) { + attributes[name] = null; + } + } + } + for (var _i2 = 0, _Object$keys2 = Object.keys(attributes); _i2 < _Object$keys2.length; _i2++) { + var attributeName = _Object$keys2[_i2]; + element.attr(attributeName, attributes[attributeName]); + } + if (data.text) { + element.text(data.text); + } + insertChildren(element, index); + } + + function zoom (enable) { + this._options.zoom = enable; + if (this._options.zoom && !this._zoomBehavior) { + createZoomBehavior.call(this); + } else if (!this._options.zoom && this._zoomBehavior) { + this._zoomSelection.on(".zoom", null); + this._zoomBehavior = null; + } + return this; + } + function createZoomBehavior() { + var graphvizInstance = this; + function zoomed(event) { + var g = d3__namespace.select(svg.node().querySelector("g")); + g.attr('transform', event.transform); + graphvizInstance._dispatch.call('zoom', graphvizInstance); + } + var root = this._selection; + var svg = d3__namespace.select(root.node().querySelector("svg")); + if (svg.size() == 0) { + return this; + } + this._zoomSelection = svg; + var zoomBehavior = d3Zoom.zoom().scaleExtent(this._options.zoomScaleExtent).translateExtent(this._options.zoomTranslateExtent).interpolate(d3Interpolate.interpolate).on("zoom", zoomed); + this._zoomBehavior = zoomBehavior; + var g = d3__namespace.select(svg.node().querySelector("g")); + svg.call(zoomBehavior); + if (!this._active) { + translateZoomBehaviorTransform.call(this, g); + } + this._originalTransform = d3Zoom.zoomTransform(svg.node()); + return this; + } + function getTranslatedZoomTransform(selection) { + // Get the current zoom transform for the top level svg and + // translate it uniformly with the given selection, using the + // difference between the translation specified in the selection's + // data and it's saved previous translation. The selection is + // normally the top level g element of the graph. + var oldTranslation = this._translation; + var oldScale = this._scale; + var newTranslation = selection.datum().translation; + var newScale = selection.datum().scale; + var t = d3Zoom.zoomTransform(this._zoomSelection.node()); + if (oldTranslation) { + t = t.scale(1 / oldScale); + t = t.translate(-oldTranslation.x, -oldTranslation.y); + } + t = t.translate(newTranslation.x, newTranslation.y); + t = t.scale(newScale); + return t; + } + function translateZoomBehaviorTransform(selection) { + // Translate the current zoom transform for the top level svg + // uniformly with the given selection, using the difference + // between the translation specified in the selection's data and + // it's saved previous translation. The selection is normally the + // top level g element of the graph. + this._zoomBehavior.transform(this._zoomSelection, getTranslatedZoomTransform.call(this, selection)); + + // Save the selections's new translation and scale. + this._translation = selection.datum().translation; + this._scale = selection.datum().scale; + + // Set the original zoom transform to the translation and scale specified in + // the selection's data. + this._originalTransform = d3Zoom.zoomIdentity.translate(selection.datum().translation.x, selection.datum().translation.y).scale(selection.datum().scale); + } + function resetZoom(transition) { + // Reset the zoom transform to the original zoom transform. + var selection = this._zoomSelection; + if (transition) { + selection = selection.transition(transition); + } + selection.call(this._zoomBehavior.transform, this._originalTransform); + return this; + } + function zoomScaleExtent(extent) { + this._options.zoomScaleExtent = extent; + return this; + } + function zoomTranslateExtent(extent) { + this._options.zoomTranslateExtent = extent; + return this; + } + function zoomBehavior() { + return this._zoomBehavior || null; + } + function zoomSelection() { + return this._zoomSelection || null; + } + + function pathTween(points, d1) { + return function () { + var pointInterpolators = points.map(function (p) { + return d3Interpolate.interpolate([p[0][0], p[0][1]], [p[1][0], p[1][1]]); + }); + return function (t) { + return t < 1 ? "M" + pointInterpolators.map(function (p) { + return p(t); + }).join("L") : d1; + }; + }; + } + function pathTweenPoints(node, d1, precision, precisionIsRelative) { + var path0 = node; + var path1 = path0.cloneNode(); + var n0 = path0.getTotalLength(); + var n1 = (path1.setAttribute("d", d1), path1).getTotalLength(); + + // Uniform sampling of distance based on specified precision. + var distances = [0]; + var i = 0; + var dt = precisionIsRelative ? precision : precision / Math.max(n0, n1); + while ((i += dt) < 1) { + distances.push(i); + } + distances.push(1); + + // Compute point-interpolators at each distance. + var points = distances.map(function (t) { + var p0 = path0.getPointAtLength(t * n0); + var p1 = path1.getPointAtLength(t * n1); + return [[p0.x, p0.y], [p1.x, p1.y]]; + }); + return points; + } + + function data () { + return this._data || null; + } + function isEdgeElementParent(datum) { + return datum.attributes["class"] == 'edge' || datum.tag == 'a' && datum.parent.tag == 'g' && datum.parent.parent.attributes["class"] == 'edge'; + } + function isEdgeElement(datum) { + return datum.parent && isEdgeElementParent(datum.parent); + } + function getEdgeGroup(datum) { + if (datum.parent.attributes["class"] == 'edge') { + return datum.parent; + } else { + // datum.parent.tag == 'g' && datum.parent.parent.tag == 'g' && datum.parent.parent.parent.attributes.class == 'edge' + return datum.parent.parent.parent; + } + } + function getEdgeTitle(datum) { + return getEdgeGroup(datum).children.find(function (e) { + return e.tag == 'title'; + }); + } + + function render (callback) { + if (this._busy) { + this._queue.push(this.render.bind(this, callback)); + return this; + } + this._dispatch.call('renderStart', this); + if (this._transitionFactory) { + d3Timer.timeout(function () { + // Decouple from time spent. See https://github.com/d3/d3-timer/issues/27 + this._transition = d3Transition.transition(this._transitionFactory()); + _render.call(this, callback); + }.bind(this), 0); + } else { + _render.call(this, callback); + } + return this; + } + function _render(callback) { + var transitionInstance = this._transition; + var fade = this._options.fade && transitionInstance != null; + var tweenPaths = this._options.tweenPaths; + var tweenShapes = this._options.tweenShapes; + var convertEqualSidedPolygons = this._options.convertEqualSidedPolygons; + var growEnteringEdges = this._options.growEnteringEdges && transitionInstance != null; + var attributer = this._attributer; + var graphvizInstance = this; + function insertChildren(element) { + var children = element.selectAll(function () { + return element.node().childNodes; + }); + children = children.data(function (d) { + return d.children; + }, function (d) { + return d.key; + }); + var childrenEnter = children.enter().append(function (d) { + var element = createElement(d); + if (d.tag == '#text' && fade) { + element.nodeValue = d.text; + } + return element; + }); + if (fade || growEnteringEdges && isEdgeElementParent(element.datum())) { + var childElementsEnter = childrenEnter.filter(function (d) { + return d.tag[0] == '#' ? null : this; + }).each(function (d) { + var childEnter = d3__namespace.select(this); + for (var _i = 0, _Object$keys = Object.keys(d.attributes); _i < _Object$keys.length; _i++) { + var attributeName = _Object$keys[_i]; + var attributeValue = d.attributes[attributeName]; + childEnter.attr(attributeName, attributeValue); + } + }); + childElementsEnter.filter(function (d) { + return d.tag == 'svg' || d.tag == 'g' ? null : this; + }).style("opacity", 0.0); + } + var childrenExit = children.exit(); + if (attributer) { + childrenExit.each(attributer); + } + if (transitionInstance) { + childrenExit = childrenExit.transition(transitionInstance); + if (fade) { + childrenExit.filter(function (d) { + return d.tag[0] == '#' ? null : this; + }).style("opacity", 0.0); + } + } + childrenExit = childrenExit.remove(); + children = childrenEnter.merge(children).order(); + children.each(attributeElement); + } + function attributeElement(data) { + var element = d3__namespace.select(this); + if (data.tag == "svg") { + var options = graphvizInstance._options; + if (options.width != null || options.height != null) { + var width = options.width; + var height = options.height; + if (width == null) { + width = data.attributes.width.replace('pt', '') * 4 / 3; + } else { + element.attr("width", width); + data.attributes.width = width; + } + if (height == null) { + height = data.attributes.height.replace('pt', '') * 4 / 3; + } else { + element.attr("height", height); + data.attributes.height = height; + } + if (!options.fit) { + element.attr("viewBox", "0 0 ".concat(width * 3 / 4 / options.scale, " ").concat(height * 3 / 4 / options.scale)); + data.attributes.viewBox = "0 0 ".concat(width * 3 / 4 / options.scale, " ").concat(height * 3 / 4 / options.scale); + } + } + if (options.scale != 1 && (options.fit || options.width == null && options.height == null)) { + width = data.attributes.viewBox.split(' ')[2]; + height = data.attributes.viewBox.split(' ')[3]; + element.attr("viewBox", "0 0 ".concat(width / options.scale, " ").concat(height / options.scale)); + data.attributes.viewBox = "0 0 ".concat(width / options.scale, " ").concat(height / options.scale); + } + } + if (attributer) { + element.each(attributer); + } + var tag = data.tag; + var attributes = data.attributes; + var currentAttributes = element.node().attributes; + if (currentAttributes) { + for (var i = 0; i < currentAttributes.length; i++) { + var currentAttribute = currentAttributes[i]; + var name = currentAttribute.name; + if (name.split(':')[0] != 'xmlns' && currentAttribute.namespaceURI) { + var namespaceURIParts = currentAttribute.namespaceURI.split('/'); + var namespace = namespaceURIParts[namespaceURIParts.length - 1]; + name = namespace + ':' + name; + } + if (!(name in attributes)) { + attributes[name] = null; + } + } + } + var convertShape = false; + var convertPrevShape = false; + if (tweenShapes && transitionInstance) { + if ((this.nodeName == 'polygon' || this.nodeName == 'ellipse') && data.alternativeOld) { + convertPrevShape = true; + } + if ((tag == 'polygon' || tag == 'ellipse') && data.alternativeNew) { + convertShape = true; + } + if (this.nodeName == 'polygon' && tag == 'polygon' && data.alternativeOld) { + var prevData = extractElementData(element); + var prevPoints = prevData.attributes.points; + if (!convertEqualSidedPolygons) { + var nPrevPoints = prevPoints.split(' ').length; + var points = data.attributes.points; + var nPoints = points.split(' ').length; + if (nPoints == nPrevPoints) { + convertShape = false; + convertPrevShape = false; + } + } + } + if (convertPrevShape) { + var prevPathData = data.alternativeOld; + var pathElement = replaceElement(element, prevPathData); + pathElement.data([data], function () { + return data.key; + }); + element = pathElement; + } + if (convertShape) { + var newPathData = data.alternativeNew; + tag = 'path'; + attributes = newPathData.attributes; + } + } + var elementTransition = element; + if (transitionInstance) { + elementTransition = elementTransition.transition(transitionInstance); + if (fade) { + elementTransition.filter(function (d) { + return d.tag[0] == '#' ? null : this; + }).style("opacity", 1.0); + } + elementTransition.filter(function (d) { + return d.tag[0] == '#' ? null : this; + }).on("end", function (d) { + d3__namespace.select(this).attr('style', d && d.attributes && d.attributes.style || null); + }); + } + var growThisPath = growEnteringEdges && tag == 'path' && data.offset; + if (growThisPath) { + var totalLength = data.totalLength; + element.attr("stroke-dasharray", totalLength + " " + totalLength).attr("stroke-dashoffset", totalLength).attr('transform', 'translate(' + data.offset.x + ',' + data.offset.y + ')'); + attributes["stroke-dashoffset"] = 0; + attributes['transform'] = 'translate(0,0)'; + elementTransition.attr("stroke-dashoffset", attributes["stroke-dashoffset"]).attr('transform', attributes['transform']).on("start", function () { + d3__namespace.select(this).style('opacity', null); + }).on("end", function () { + d3__namespace.select(this).attr('stroke-dashoffset', null).attr('stroke-dasharray', null).attr('transform', null); + }); + } + var moveThisPolygon = growEnteringEdges && tag == 'polygon' && isEdgeElement(data) && data.offset && data.parent.children[3].tag == 'path'; + if (moveThisPolygon) { + var edgePath = d3__namespace.select(element.node().parentNode.querySelector("path")); + var p0 = edgePath.node().getPointAtLength(0); + var p1 = edgePath.node().getPointAtLength(data.totalLength); + var p2 = edgePath.node().getPointAtLength(data.totalLength - 1); + var angle1 = Math.atan2(p1.y - p2.y, p1.x - p2.x) * 180 / Math.PI; + var x = p0.x - p1.x + data.offset.x; + var y = p0.y - p1.y + data.offset.y; + element.attr('transform', 'translate(' + x + ',' + y + ')'); + elementTransition.attrTween("transform", function () { + return function (t) { + var p = edgePath.node().getPointAtLength(data.totalLength * t); + var p2 = edgePath.node().getPointAtLength(data.totalLength * t + 1); + var angle = Math.atan2(p2.y - p.y, p2.x - p.x) * 180 / Math.PI - angle1; + x = p.x - p1.x + data.offset.x * (1 - t); + y = p.y - p1.y + data.offset.y * (1 - t); + return 'translate(' + x + ',' + y + ') rotate(' + angle + ' ' + p1.x + ' ' + p1.y + ')'; + }; + }).on("start", function () { + d3__namespace.select(this).style('opacity', null); + }).on("end", function () { + d3__namespace.select(this).attr('transform', null); + }); + } + var tweenThisPath = tweenPaths && transitionInstance && tag == 'path' && element.attr('d') != null; + for (var _i2 = 0, _Object$keys2 = Object.keys(attributes); _i2 < _Object$keys2.length; _i2++) { + var attributeName = _Object$keys2[_i2]; + var attributeValue = attributes[attributeName]; + if (tweenThisPath && attributeName == 'd') { + var points = (data.alternativeOld || data).points; + if (points) { + elementTransition.attrTween("d", pathTween(points, attributeValue)); + } + } else { + if (attributeName == 'transform' && data.translation) { + if (transitionInstance) { + var onEnd = elementTransition.on("end"); + elementTransition.on("start", function () { + if (graphvizInstance._zoomBehavior) { + // Update the transform to transition to, just before the transition starts + // in order to catch changes between the transition scheduling to its start. + elementTransition.tween("attr.transform", function () { + var node = this; + return function (t) { + node.setAttribute("transform", d3Interpolate.interpolateTransformSvg(d3Zoom.zoomTransform(graphvizInstance._zoomSelection.node()).toString(), getTranslatedZoomTransform.call(graphvizInstance, element).toString())(t)); + }; + }); + } + }).on("end", function () { + onEnd.call(this); + // Update the zoom transform to the new translated transform + if (graphvizInstance._zoomBehavior) { + translateZoomBehaviorTransform.call(graphvizInstance, element); + } + }); + } else { + if (graphvizInstance._zoomBehavior) { + // Update the transform attribute to set with the current pan translation + translateZoomBehaviorTransform.call(graphvizInstance, element); + attributeValue = getTranslatedZoomTransform.call(graphvizInstance, element).toString(); + } + } + } + elementTransition.attr(attributeName, attributeValue); + } + } + if (convertShape) { + elementTransition.on("end", function (d, i, nodes) { + pathElement = d3__namespace.select(this); + var newElement = replaceElement(pathElement, d); + newElement.data([d], function () { + return d.key; + }); + }); + } + if (data.text) { + elementTransition.text(data.text); + } + insertChildren(element); + } + var root = this._selection; + if (transitionInstance != null) { + // Ensure original SVG shape elements are restored after transition before rendering new graph + var jobs = this._jobs; + if (graphvizInstance._active) { + jobs.push(null); + return this; + } else { + root.transition(transitionInstance).transition().duration(0).on("end", function () { + graphvizInstance._active = false; + if (jobs.length != 0) { + jobs.shift(); + graphvizInstance.render(); + } + }); + this._active = true; + } + } + if (transitionInstance != null) { + root.transition(transitionInstance).on("start", function () { + graphvizInstance._dispatch.call('transitionStart', graphvizInstance); + }).on("end", function () { + graphvizInstance._dispatch.call('transitionEnd', graphvizInstance); + }).transition().duration(0).on("start", function () { + graphvizInstance._dispatch.call('restoreEnd', graphvizInstance); + graphvizInstance._dispatch.call('end', graphvizInstance); + if (callback) { + callback.call(graphvizInstance); + } + }); + } + var data = this._data; + var svg = 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e.contents[r],e.timestamp=Date.now();},rmdir(e,r){var t=o.lookupNode(e,r);for(var n in t.contents)throw new o.ErrnoError(55);delete e.contents[r],e.timestamp=Date.now();},readdir(e){var r=[".",".."];for(var t of Object.keys(e.contents))r.push(t);return r},symlink(e,r,t){var n=D.createNode(e,r,41471,0);return n.link=t,n},readlink(e){if(!o.isLink(e.mode))throw new o.ErrnoError(28);return e.link}},stream_ops:{read(e,r,t,n,a){var i=e.node.contents;if(a>=e.node.usedBytes)return 0;var u=Math.min(e.node.usedBytes-a,n);if(u>8&&i.subarray)r.set(i.subarray(a,a+u),t);else for(var l=0;l0||t+r{var a=`al ${e}`;z(e).then(i=>{r(new Uint8Array(i)),a&&me();},i=>{if(t)t();else throw `Loading data file "${e}" failed.`}),a&&ce();},nt=(e,r,t,n,a,i)=>{o.createDataFile(e,r,t,n,a,i);},at=[],it=(e,r,t,n)=>{typeof Browser<"u"&&Browser.init();var a=!1;return at.forEach(i=>{a||i.canHandle(r)&&(i.handle(e,r,t,n),a=!0);}),a},st=(e,r,t,n,a,i,u,l,v,E)=>{var G=r?he.resolve(C.join2(e,r)):e;function B(y){function 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e=0;e<=o.MAX_OPEN_FDS;e++)if(!o.streams[e])return e;throw new o.ErrnoError(33)},getStreamChecked(e){var r=o.getStream(e);if(!r)throw new o.ErrnoError(8);return r},getStream:e=>o.streams[e],createStream(e,r=-1){return e=Object.assign(new o.FSStream,e),r==-1&&(r=o.nextfd()),e.fd=r,o.streams[r]=e,e},closeStream(e){o.streams[e]=null;},dupStream(e,r=-1){var t=o.createStream(e,r);return t.stream_ops?.dup?.(t),t},chrdev_stream_ops:{open(e){var r=o.getDevice(e.node.rdev);e.stream_ops=r.stream_ops,e.stream_ops.open?.(e);},llseek(){throw new o.ErrnoError(70)}},major:e=>e>>8,minor:e=>e&255,makedev:(e,r)=>e<<8|r,registerDevice(e,r){o.devices[e]={stream_ops:r};},getDevice:e=>o.devices[e],getMounts(e){for(var r=[],t=[e];t.length;){var n=t.pop();r.push(n),t.push(...n.mounts);}return r},syncfs(e,r){typeof e=="function"&&(r=e,e=!1),o.syncFSRequests++,o.syncFSRequests>1&&V(`warning: ${o.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);var t=o.getMounts(o.root.mount),n=0;function a(u){return o.syncFSRequests--,r(u)}function i(u){if(u)return i.errored?void 0:(i.errored=!0,a(u));++n>=t.length&&a(null);}t.forEach(u=>{if(!u.type.syncfs)return i(null);u.type.syncfs(u,e,i);});},mount(e,r,t){var n=t==="/",a=!t,i;if(n&&o.root)throw new o.ErrnoError(10);if(!n&&!a){var u=o.lookupPath(t,{follow_mount:!1});if(t=u.path,i=u.node,o.isMountpoint(i))throw new o.ErrnoError(10);if(!o.isDir(i.mode))throw new o.ErrnoError(54)}var l={type:e,opts:r,mountpoint:t,mounts:[]},v=e.mount(l);return v.mount=l,l.root=v,n?o.root=v:i&&(i.mounted=l,i.mount&&i.mount.mounts.push(l)),v},unmount(e){var r=o.lookupPath(e,{follow_mount:!1});if(!o.isMountpoint(r.node))throw new o.ErrnoError(28);var t=r.node,n=t.mounted,a=o.getMounts(n);Object.keys(o.nameTable).forEach(u=>{for(var l=o.nameTable[u];l;){var v=l.name_next;a.includes(l.mount)&&o.destroyNode(l),l=v;}}),t.mounted=null;var i=t.mount.mounts.indexOf(n);t.mount.mounts.splice(i,1);},lookup(e,r){return e.node_ops.lookup(e,r)},mknod(e,r,t){var n=o.lookupPath(e,{parent:!0}),a=n.node,i=C.basename(e);if(!i||i==="."||i==="..")throw new o.ErrnoError(28);var u=o.mayCreate(a,i);if(u)throw new o.ErrnoError(u);if(!a.node_ops.mknod)throw new o.ErrnoError(63);return a.node_ops.mknod(a,i,r,t)},create(e,r){return r=r!==void 0?r:438,r&=4095,r|=32768,o.mknod(e,r,0)},mkdir(e,r){return r=r!==void 0?r:511,r&=1023,r|=16384,o.mknod(e,r,0)},mkdirTree(e,r){for(var t=e.split("/"),n="",a=0;a"u"&&(t=r,r=438),r|=8192,o.mknod(e,r,t)},symlink(e,r){if(!he.resolve(e))throw new o.ErrnoError(44);var t=o.lookupPath(r,{parent:!0}),n=t.node;if(!n)throw new o.ErrnoError(44);var a=C.basename(r),i=o.mayCreate(n,a);if(i)throw new o.ErrnoError(i);if(!n.node_ops.symlink)throw new o.ErrnoError(63);return n.node_ops.symlink(n,a,e)},rename(e,r){var t=C.dirname(e),n=C.dirname(r),a=C.basename(e),i=C.basename(r),u,l,v;if(u=o.lookupPath(e,{parent:!0}),l=u.node,u=o.lookupPath(r,{parent:!0}),v=u.node,!l||!v)throw new 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o.ErrnoError(10);t.node_ops.rmdir(t,n),o.destroyNode(a);},readdir(e){var r=o.lookupPath(e,{follow:!0}),t=r.node;if(!t.node_ops.readdir)throw new o.ErrnoError(54);return t.node_ops.readdir(t)},unlink(e){var r=o.lookupPath(e,{parent:!0}),t=r.node;if(!t)throw new o.ErrnoError(44);var n=C.basename(e),a=o.lookupNode(t,n),i=o.mayDelete(t,n,!1);if(i)throw new o.ErrnoError(i);if(!t.node_ops.unlink)throw new o.ErrnoError(63);if(o.isMountpoint(a))throw new o.ErrnoError(10);t.node_ops.unlink(t,n),o.destroyNode(a);},readlink(e){var r=o.lookupPath(e),t=r.node;if(!t)throw new o.ErrnoError(44);if(!t.node_ops.readlink)throw new o.ErrnoError(28);return he.resolve(o.getPath(t.parent),t.node_ops.readlink(t))},stat(e,r){var t=o.lookupPath(e,{follow:!r}),n=t.node;if(!n)throw new o.ErrnoError(44);if(!n.node_ops.getattr)throw new o.ErrnoError(63);return n.node_ops.getattr(n)},lstat(e){return o.stat(e,!0)},chmod(e,r,t){var n;if(typeof e=="string"){var a=o.lookupPath(e,{follow:!t});n=a.node;}else n=e;if(!n.node_ops.setattr)throw new o.ErrnoError(63);n.node_ops.setattr(n,{mode:r&4095|n.mode&-4096,timestamp:Date.now()});},lchmod(e,r){o.chmod(e,r,!0);},fchmod(e,r){var t=o.getStreamChecked(e);o.chmod(t.node,r);},chown(e,r,t,n){var a;if(typeof e=="string"){var i=o.lookupPath(e,{follow:!n});a=i.node;}else a=e;if(!a.node_ops.setattr)throw new o.ErrnoError(63);a.node_ops.setattr(a,{timestamp:Date.now()});},lchown(e,r,t){o.chown(e,r,t,!0);},fchown(e,r,t){var n=o.getStreamChecked(e);o.chown(n.node,r,t);},truncate(e,r){if(r<0)throw new o.ErrnoError(28);var t;if(typeof e=="string"){var n=o.lookupPath(e,{follow:!0});t=n.node;}else t=e;if(!t.node_ops.setattr)throw new o.ErrnoError(63);if(o.isDir(t.mode))throw new o.ErrnoError(31);if(!o.isFile(t.mode))throw new o.ErrnoError(28);var a=o.nodePermissions(t,"w");if(a)throw new o.ErrnoError(a);t.node_ops.setattr(t,{size:r,timestamp:Date.now()});},ftruncate(e,r){var t=o.getStreamChecked(e);if(!(t.flags&2097155))throw new o.ErrnoError(28);o.truncate(t.node,r);},utime(e,r,t){var n=o.lookupPath(e,{follow:!0}),a=n.node;a.node_ops.setattr(a,{timestamp:Math.max(r,t)});},open(e,r,t){if(e==="")throw new o.ErrnoError(44);r=typeof r=="string"?ut(r):r,r&64?(t=typeof t>"u"?438:t,t=t&4095|32768):t=0;var n;if(typeof e=="object")n=e;else {e=C.normalize(e);try{var a=o.lookupPath(e,{follow:!(r&131072)});n=a.node;}catch{}}var i=!1;if(r&64)if(n){if(r&128)throw new o.ErrnoError(20)}else n=o.mknod(e,t,0),i=!0;if(!n)throw new o.ErrnoError(44);if(o.isChrdev(n.mode)&&(r&=-513),r&65536&&!o.isDir(n.mode))throw new o.ErrnoError(54);if(!i){var u=o.mayOpen(n,r);if(u)throw new o.ErrnoError(u)}r&512&&!i&&o.truncate(n,0),r&=-131713;var l=o.createStream({node:n,path:o.getPath(n),flags:r,seekable:!0,position:0,stream_ops:n.stream_ops,ungotten:[],error:!1});return l.stream_ops.open&&l.stream_ops.open(l),s.logReadFiles&&!(r&1)&&(o.readFiles||(o.readFiles={}),e in o.readFiles||(o.readFiles[e]=1)),l},close(e){if(o.isClosed(e))throw new o.ErrnoError(8);e.getdents&&(e.getdents=null);try{e.stream_ops.close&&e.stream_ops.close(e);}catch(r){throw r}finally{o.closeStream(e.fd);}e.fd=null;},isClosed(e){return e.fd===null},llseek(e,r,t){if(o.isClosed(e))throw new o.ErrnoError(8);if(!e.seekable||!e.stream_ops.llseek)throw new o.ErrnoError(70);if(t!=0&&t!=1&&t!=2)throw new o.ErrnoError(28);return e.position=e.stream_ops.llseek(e,r,t),e.ungotten=[],e.position},read(e,r,t,n,a){if(n<0||a<0)throw new o.ErrnoError(28);if(o.isClosed(e))throw new o.ErrnoError(8);if((e.flags&2097155)===1)throw new o.ErrnoError(8);if(o.isDir(e.node.mode))throw new o.ErrnoError(31);if(!e.stream_ops.read)throw new o.ErrnoError(28);var i=typeof a<"u";if(!i)a=e.position;else if(!e.seekable)throw new o.ErrnoError(70);var u=e.stream_ops.read(e,r,t,n,a);return i||(e.position+=u),u},write(e,r,t,n,a,i){if(n<0||a<0)throw new o.ErrnoError(28);if(o.isClosed(e))throw new o.ErrnoError(8);if(!(e.flags&2097155))throw new o.ErrnoError(8);if(o.isDir(e.node.mode))throw 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+ + function shallowCopyObject(obj) { + return Object.assign({}, obj); + } + function roundTo2Decimals(x) { + return Math.round(x * 100.0) / 100.0; + } + + function convertToPathData(originalData, guideData) { + if (originalData.tag == 'polygon') { + var newData = shallowCopyObject(originalData); + newData.tag = 'path'; + var originalAttributes = originalData.attributes; + var newAttributes = shallowCopyObject(originalAttributes); + var newPointsString = originalAttributes.points; + if (guideData.tag == 'polygon') { + var bbox = originalData.bbox; + bbox.cx = bbox.x + bbox.width / 2; + bbox.cy = bbox.y + bbox.height / 2; + var pointsString = originalAttributes.points; + var pointStrings = pointsString.split(' '); + var normPoints = pointStrings.map(function (p) { + var xy = p.split(','); + return [xy[0] - bbox.cx, xy[1] - bbox.cy]; + }); + var x0 = normPoints[normPoints.length - 1][0]; + var y0 = normPoints[normPoints.length - 1][1]; + for (var i = 0; i < normPoints.length; i++, x0 = x1, y0 = y1) { + var x1 = normPoints[i][0]; + var y1 = normPoints[i][1]; + var dx = x1 - x0; + var dy = y1 - y0; + if (dy == 0) { + continue; + } else { + var x2 = x0 - y0 * dx / dy; + } + if (0 <= x2 && x2 < Infinity && (x0 <= x2 && x2 <= x1 || x1 <= x2 && x2 <= x0)) { + break; + } + } + var newPointStrings = [[bbox.cx + x2, bbox.cy + 0].join(',')]; + newPointStrings = newPointStrings.concat(pointStrings.slice(i)); + newPointStrings = newPointStrings.concat(pointStrings.slice(0, i)); + newPointsString = newPointStrings.join(' '); + } + newAttributes['d'] = 'M' + newPointsString + 'z'; + delete newAttributes.points; + newData.attributes = newAttributes; + } else /* if (originalData.tag == 'ellipse') */{ + var newData = shallowCopyObject(originalData); + newData.tag = 'path'; + var originalAttributes = originalData.attributes; + var newAttributes = shallowCopyObject(originalAttributes); + var cx = originalAttributes.cx; + var cy = originalAttributes.cy; + var rx = originalAttributes.rx; + var ry = originalAttributes.ry; + if (guideData.tag == 'polygon') { + var bbox = guideData.bbox; + bbox.cx = bbox.x + bbox.width / 2; + bbox.cy = bbox.y + bbox.height / 2; + var p = guideData.attributes.points.split(' ')[0].split(','); + var sx = p[0]; + var sy = p[1]; + var dx = sx - bbox.cx; + var dy = sy - bbox.cy; + var l = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2)); + var cosA = dx / l; + var sinA = -dy / l; + } else { + // if (guideData.tag == 'path') { + // FIXME: add support for getting start position from path + var cosA = 1; + var sinA = 0; + } + var x1 = rx * cosA; + var y1 = -ry * sinA; + var x2 = rx * -cosA; + var y2 = -ry * -sinA; + var dx = x2 - x1; + var dy = y2 - y1; + newAttributes['d'] = 'M ' + cx + ' ' + cy + ' m ' + x1 + ',' + y1 + ' a ' + rx + ',' + ry + ' 0 1,0 ' + dx + ',' + dy + ' a ' + rx + ',' + ry + ' 0 1,0 ' + -dx + ',' + -dy + 'z'; + delete newAttributes.cx; + delete newAttributes.cy; + delete newAttributes.rx; + delete newAttributes.ry; + newData.attributes = newAttributes; + } + return newData; + } + function translatePointsAttribute(pointsString, x, y) { + var pointStrings = pointsString.split(' '); + var points = pointStrings.map(function (p) { + return p.split(','); + }); + var points = pointStrings.map(function (p) { + return [roundTo2Decimals(+x + +p.split(',')[0]), roundTo2Decimals(+y + +p.split(',')[1])]; + }); + var pointStrings = points.map(function (p) { + return p.join(','); + }); + var pointsString = pointStrings.join(' '); + return pointsString; + } + function translateDAttribute(d, x, y) { + var pointStrings = d.split(/[A-Z ]/); + pointStrings.shift(); + var commands = d.split(/[^[A-Z ]+/); + var points = pointStrings.map(function (p) { + return p.split(','); + }); + var points = pointStrings.map(function (p) { + return [roundTo2Decimals(+x + +p.split(',')[0]), roundTo2Decimals(+y + +p.split(',')[1])]; + }); + var pointStrings = points.map(function (p) { + return p.join(','); + }); + d = commands.reduce(function (arr, v, i) { + return arr.concat(v, pointStrings[i]); + }, []).join(''); + return d; + } + + function initViz() { + var _this = this; + // force JIT compilation of @hpcc-js/wasm + try { + xo.load().then(function (graphviz) { + graphviz.layout("", "svg", "dot"); + _this.layoutSync = graphviz.layout.bind(graphviz); + if (_this._worker == null) { + _this._dispatch.call("initEnd", _this); + } + if (_this._afterInit) { + _this._afterInit(); + } + }); + // after the port to ESM modules, we don't know how to trigger this so + // we just disable it from coverage + /* c8 ignore start */ + } catch (error) { + // we end up here when the the script tag type used to load + // the "@hpcc-js/wasm" script is not "application/javascript" + // or "text/javascript", but typically "javascript/worker". In + // this case the browser does not load the script since it's + // unnecessary because it's loaded by the web worker + // instead. This is expected so we just ignore the error. + } + /* c8 ignore stop */ + if (this._worker != null) { + var vizURL = this._vizURL; + var graphvizInstance = this; + this._workerPort.onmessage = function (event) { + var callback = graphvizInstance._workerCallbacks.shift(); + callback.call(graphvizInstance, event); + }; + if (!vizURL.match(/^https?:\/\/|^\/\//i)) { + // Local URL. Prepend with local domain to be usable in web worker + vizURL = new window.URL(vizURL, document.location.href).href; + } + postMessage.call(this, { + type: "layout", + dot: "", + engine: 'dot', + vizURL: vizURL + }, function (event) { + switch (event.data.type) { + } + }); + postMessage.call(this, { + type: "version" + }, function (event) { + switch (event.data.type) { + case "version": + graphvizInstance._graphvizVersion = event.data.version; + graphvizInstance._dispatch.call("initEnd", this); + break; + } + }); + } + } + function postMessage(message, callback) { + this._workerCallbacks.push(callback); + this._workerPort.postMessage(message); + } + function layout(src, engine, vizOptions, callback) { + if (this._worker) { + postMessage.call(this, { + type: "layout", + dot: src, + engine: engine, + options: vizOptions + }, function (event) { + callback.call(this, event.data); + }); + } else { + try { + var svgDoc = this.layoutSync(src, "svg", engine, vizOptions); + callback.call(this, { + type: 'done', + svg: svgDoc + }); + } catch (error) { + callback.call(this, { + type: 'error', + error: error.message + }); + } + } + } + function dot (src, callback) { + var graphvizInstance = this; + this._worker; + var engine = this._options.engine; + var images = this._images; + this._dispatch.call("start", this); + this._busy = true; + this._dispatch.call("layoutStart", this); + var vizOptions = { + images: images + }; + if (!this._worker && this.layoutSync == null) { + this._afterInit = this.dot.bind(this, src, callback); + return this; + } + this.layout(src, engine, vizOptions, function (data) { + switch (data.type) { + case "error": + if (graphvizInstance._onerror) { + graphvizInstance._onerror(data.error); + } else { + throw data.error.message; + } + break; + case "done": + var svgDoc = data.svg; + layoutDone.call(this, svgDoc, callback); + break; + } + }); + return this; + } + function layoutDone(svgDoc, callback) { + var keyMode = this._options.keyMode; + var tweenPaths = this._options.tweenPaths; + var tweenShapes = this._options.tweenShapes; + if (typeof this._options.tweenPrecision == 'string' && this._options.tweenPrecision.includes('%')) { + var tweenPrecision = +this._options.tweenPrecision.split('%')[0] / 100; + var tweenPrecisionIsRelative = this._options.tweenPrecision.includes('%'); + } else { + var tweenPrecision = this._options.tweenPrecision; + var tweenPrecisionIsRelative = false; + } + var growEnteringEdges = this._options.growEnteringEdges; + var dictionary = {}; + var prevDictionary = this._dictionary || {}; + var nodeDictionary = {}; + var prevNodeDictionary = this._nodeDictionary || {}; + function setKey(datum, index) { + var tag = datum.tag; + if (keyMode == 'index') { + datum.key = index; + } else if (tag[0] != '#') { + if (keyMode == 'id') { + datum.key = datum.attributes.id; + } else if (keyMode == 'title') { + var title = datum.children.find(function (childData) { + return childData.tag == 'title'; + }); + if (title) { + if (title.children.length > 0) { + datum.key = title.children[0].text; + } else { + datum.key = ''; + } + } + } + } + if (datum.key == null) { + if (tweenShapes) { + if (tag == 'ellipse' || tag == 'polygon') { + tag = 'path'; + } + } + datum.key = tag + '-' + index; + } + } + function setId(datum, parentData) { + var id = (parentData ? parentData.id + '.' : '') + datum.key; + datum.id = id; + } + function addToDictionary(datum) { + dictionary[datum.id] = datum; + } + function calculateAlternativeShapeData(datum, prevDatum) { + if (tweenShapes && datum.id in prevDictionary) { + if ((prevDatum.tag == 'polygon' || prevDatum.tag == 'ellipse' || prevDatum.tag == 'path') && (prevDatum.tag != datum.tag || datum.tag == 'polygon')) { + if (prevDatum.tag != 'path') { + datum.alternativeOld = convertToPathData(prevDatum, datum); + } + if (datum.tag != 'path') { + datum.alternativeNew = convertToPathData(datum, prevDatum); + } + } + } + } + function calculatePathTweenPoints(datum, prevDatum) { + if (tweenPaths && prevDatum && (prevDatum.tag == 'path' || datum.alternativeOld && datum.alternativeOld.tag == 'path')) { + var attribute_d = (datum.alternativeNew || datum).attributes.d; + if (datum.alternativeOld) { + var oldNode = createElementWithAttributes(datum.alternativeOld); + } else { + var oldNode = createElementWithAttributes(prevDatum); + } + (datum.alternativeOld || (datum.alternativeOld = {})).points = pathTweenPoints(oldNode, attribute_d, tweenPrecision, tweenPrecisionIsRelative); + } + } + function postProcessDataPass1Local(datum) { + var index = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0; + var parentData = arguments.length > 2 ? arguments[2] : undefined; + setKey(datum, index); + setId(datum, parentData); + var id = datum.id; + var prevDatum = prevDictionary[id]; + addToDictionary(datum); + calculateAlternativeShapeData(datum, prevDatum); + calculatePathTweenPoints(datum, prevDatum); + var childTagIndexes = {}; + datum.children.forEach(function (childData) { + var childTag = childData.tag; + if (childTag == 'ellipse' || childTag == 'polygon') { + childTag = 'path'; + } + if (childTagIndexes[childTag] == null) { + childTagIndexes[childTag] = 0; + } + var childIndex = childTagIndexes[childTag]++; + postProcessDataPass1Local(childData, childIndex, datum); + }); + } + function addToNodeDictionary(datum) { + var tag = datum.tag; + if (growEnteringEdges && datum.parent) { + if (datum.parent.attributes["class"] == 'node') { + if (tag == 'title') { + if (datum.children.length > 0) { + var child = datum.children[0]; + var nodeId = child.text; + } else { + var nodeId = ''; + } + nodeDictionary[nodeId] = datum.parent; + } + } + } + } + function extractGrowingEdgesData(datum) { + var id = datum.id; + var tag = datum.tag; + var prevDatum = prevDictionary[id]; + if (growEnteringEdges && !prevDatum && datum.parent) { + if (isEdgeElement(datum)) { + if (tag == 'path' || tag == 'polygon') { + if (tag == 'polygon') { + var path = datum.parent.children.find(function (e) { + return e.tag == 'path'; + }); + if (path) { + datum.totalLength = path.totalLength; + } + } + var title = getEdgeTitle(datum); + var child = title.children[0]; + var nodeIds = child.text.split('->'); + if (nodeIds.length != 2) { + nodeIds = child.text.split('--'); + } + var startNodeId = nodeIds[0]; + var startNode = nodeDictionary[startNodeId]; + if (Object.hasOwn(prevNodeDictionary, startNodeId)) { + var prevStartNode = prevNodeDictionary[startNodeId]; + var i = startNode.children.findIndex(function (element, index) { + return element.tag == 'g'; + }); + if (i >= 0) { + var j = startNode.children[i].children.findIndex(function (element, index) { + return element.tag == 'a'; + }); + startNode = startNode.children[i].children[j]; + } + var i = prevStartNode.children.findIndex(function (element, index) { + return element.tag == 'g'; + }); + if (i >= 0) { + var j = prevStartNode.children[i].children.findIndex(function (element, index) { + return element.tag == 'a'; + }); + prevStartNode = prevStartNode.children[i].children[j]; + } + var startShapes = startNode.children; + for (var i = 0; i < startShapes.length; i++) { + if (startShapes[i].tag == 'polygon' || startShapes[i].tag == 'ellipse' || startShapes[i].tag == 'path' || startShapes[i].tag == 'text') { + var startShape = startShapes[i]; + break; + } + } + var prevStartShapes = prevStartNode.children; + for (var i = 0; i < prevStartShapes.length; i++) { + if (prevStartShapes[i].tag == 'polygon' || prevStartShapes[i].tag == 'ellipse' || prevStartShapes[i].tag == 'path' || prevStartShapes[i].tag == 'text') { + var prevStartShape = prevStartShapes[i]; + break; + } + } + if (prevStartShape && startShape) { + datum.offset = { + x: prevStartShape.center.x - startShape.center.x, + y: prevStartShape.center.y - startShape.center.y + }; + } else { + datum.offset = { + x: 0, + y: 0 + }; + } + } + } + } + } + } + function postProcessDataPass2Global(datum) { + addToNodeDictionary(datum); + extractGrowingEdgesData(datum); + datum.children.forEach(function (childData) { + postProcessDataPass2Global(childData); + }); + } + this._dispatch.call("layoutEnd", this); + var newDoc = d3__namespace.select(document.createDocumentFragment()).append('div'); + var parser = new window.DOMParser(); + var doc = parser.parseFromString(svgDoc, "image/svg+xml"); + newDoc.append(function () { + return doc.documentElement; + }); + var newSvg = newDoc.select('svg'); + var data = extractAllElementsData(newSvg); + this._dispatch.call('dataExtractEnd', this); + postProcessDataPass1Local(data); + this._dispatch.call('dataProcessPass1End', this); + postProcessDataPass2Global(data); + this._dispatch.call('dataProcessPass2End', this); + this._data = data; + this._dictionary = dictionary; + this._nodeDictionary = nodeDictionary; + this._extractData = function (element, childIndex, parentData) { + var data = extractAllElementsData(element); + postProcessDataPass1Local(data, childIndex, parentData); + postProcessDataPass2Global(data); + return data; + }; + this._busy = false; + this._dispatch.call('dataProcessEnd', this); + if (callback) { + callback.call(this); + } + if (this._queue.length > 0) { + var job = this._queue.shift(); + job.call(this); + } + } + + function renderDot (src, callback) { + var graphvizInstance = this; + this.dot(src, render); + function render() { + graphvizInstance.render(callback); + } + return this; + } + + function transition (name) { + if (name instanceof Function) { + this._transitionFactory = name; + } else { + this._transition = d3Transition.transition(name); + } + return this; + } + function active(name) { + var root = this._selection; + var svg = root.selectWithoutDataPropagation("svg"); + if (svg.size() != 0) { + return d3Transition.active(svg.node(), name); + } else { + return null; + } + } + + function options (options) { + if (typeof options == 'undefined') { + return Object.assign({}, this._options); + } else { + for (var _i = 0, _Object$keys = Object.keys(options); _i < _Object$keys.length; _i++) { + var option = _Object$keys[_i]; + this._options[option] = options[option]; + } + return this; + } + } + + function width (width) { + this._options.width = width; + return this; + } + + function height (height) { + this._options.height = height; + return this; + } + + function scale (scale) { + this._options.scale = scale; + return this; + } + + function fit (fit) { + this._options.fit = fit; + return this; + } + + function attributer (callback) { + this._attributer = callback; + return this; + } + + function engine (engine) { + this._options.engine = engine; + return this; + } + + function images (path, width, height) { + this._images.push({ + path: path, + width: width, + height: height + }); + return this; + } + + function keyMode (keyMode) { + if (!this._keyModes.has(keyMode)) { + throw Error('Illegal keyMode: ' + keyMode); + } + if (keyMode != this._options.keyMode && this._data != null) { + throw Error('Too late to change keyMode'); + } + this._options.keyMode = keyMode; + return this; + } + + function fade (enable) { + this._options.fade = enable; + return this; + } + + function tweenPaths (enable) { + this._options.tweenPaths = enable; + return this; + } + + function tweenShapes (enable) { + this._options.tweenShapes = enable; + if (enable) { + this._options.tweenPaths = true; + } + return this; + } + + function convertEqualSidedPolygons (enable) { + this._options.convertEqualSidedPolygons = enable; + return this; + } + + function tweenPrecision (precision) { + this._options.tweenPrecision = precision; + return this; + } + + function growEnteringEdges (enable) { + this._options.growEnteringEdges = enable; + return this; + } + + function on (typenames, callback) { + this._dispatch.on(typenames, callback); + return this; + } + + function onerror (callback) { + this._onerror = callback; + return this; + } + + function logEvents (enable) { + var _this = this; + var t0 = Date.now(); + var times = {}; + var eventTypes = this._eventTypes; + var maxEventTypeLength = Math.max.apply(Math, _toConsumableArray(eventTypes.map(function (eventType) { + return eventType.length; + }))); + var _loop = function _loop(i) { + var eventType = eventTypes[i]; + times[eventType] = []; + graphvizInstance = _this; + _this.on(eventType + '.log', enable ? function () { + var t = Date.now(); + var seqNo = times[eventType].length; + times[eventType].push(t); + var string = ''; + string += 'Event '; + string += d3Format.format(' >2')(i) + ' '; + string += eventType + ' '.repeat(maxEventTypeLength - eventType.length); + string += d3Format.format(' >5')(t - t0) + ' '; + if (eventType != 'initEnd') { + string += d3Format.format(' >5')(t - times['start'][seqNo]); + } + if (eventType == 'dataProcessEnd') { + string += ' prepare ' + d3Format.format(' >5')(t - times['layoutEnd'][seqNo]); + } + if (eventType == 'renderEnd' && graphvizInstance._transition) { + string += ' transition start margin ' + d3Format.format(' >5')(graphvizInstance._transition.delay() - (t - times['renderStart'][seqNo])); + expectedDelay = graphvizInstance._transition.delay(); + expectedDuration = graphvizInstance._transition.duration(); + } + if (eventType == 'transitionStart') { + var actualDelay = t - times['renderStart'][seqNo]; + string += ' transition delay ' + d3Format.format(' >5')(t - times['renderStart'][seqNo]); + string += ' expected ' + d3Format.format(' >5')(expectedDelay); + string += ' diff ' + d3Format.format(' >5')(actualDelay - expectedDelay); + } + if (eventType == 'transitionEnd') { + var actualDuration = t - times['transitionStart'][seqNo]; + string += ' transition duration ' + d3Format.format(' >5')(actualDuration); + string += ' expected ' + d3Format.format(' >5')(expectedDuration); + string += ' diff ' + d3Format.format(' >5')(actualDuration - expectedDuration); + } + console.log(string); + t0 = t; + } : null); + }, + graphvizInstance, + expectedDelay, + expectedDuration; + for (var i = 0; i < eventTypes.length; i++) { + _loop(i); + } + return this; + } + + function destroy () { + delete this._selection.node().__graphviz__; + if (this._worker) { + this._workerPortClose(); + } + return this; + } + + function rotate(x, y, cosA, sinA) { + // (x + j * y) * (cosA + j * sinA) = x * cosA - y * sinA + j * (x * sinA + y * cosA) + y = -y; + sinA = -sinA; + var _ref = [x * cosA - y * sinA, x * sinA + y * cosA]; + x = _ref[0]; + y = _ref[1]; + y = -y; + return [x, y]; + } + + function drawEdge(x1, y1, x2, y2, attributes) { + var options = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {}; + attributes = Object.assign({}, attributes); + if (attributes.style && attributes.style.includes('invis')) { + var newEdge = d3__namespace.select(null); + } else { + var root = this._selection; + var svg = root.selectWithoutDataPropagation("svg"); + var graph0 = svg.selectWithoutDataPropagation("g"); + var newEdge0 = createEdge.call(this, attributes); + var edgeData = extractAllElementsData(newEdge0); + var newEdge = graph0.append('g').data([edgeData]); + attributeElement.call(newEdge.node(), edgeData); + _updateEdge.call(this, newEdge, x1, y1, x2, y2, attributes, options); + } + this._drawnEdge = { + g: newEdge, + x1: x1, + y1: y1, + x2: x2, + y2: y2, + attributes: attributes + }; + return this; + } + function updateDrawnEdge(x1, y1, x2, y2) { + var attributes = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {}; + var options = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {}; + if (!this._drawnEdge) { + throw Error('No edge has been drawn'); + } + var edge = this._drawnEdge.g; + attributes = Object.assign(this._drawnEdge.attributes, attributes); + this._drawnEdge.x1 = x1; + this._drawnEdge.y1 = y1; + this._drawnEdge.x2 = x2; + this._drawnEdge.y2 = y2; + if (edge.empty() && !(attributes.style && attributes.style.includes('invis'))) { + var root = this._selection; + var svg = root.selectWithoutDataPropagation("svg"); + var graph0 = svg.selectWithoutDataPropagation("g"); + var edge = graph0.append('g'); + this._drawnEdge.g = edge; + } + if (!edge.empty()) { + _updateEdge.call(this, edge, x1, y1, x2, y2, attributes, options); + } + return this; + } + function _updateEdge(edge, x1, y1, x2, y2, attributes, options) { + var newEdge = createEdge.call(this, attributes); + var edgeData = extractAllElementsData(newEdge); + edge.data([edgeData]); + attributeElement.call(edge.node(), edgeData); + _moveEdge(edge, x1, y1, x2, y2, attributes, options); + } + function _moveEdge(edge, x1, y1, x2, y2, attributes, options) { + var shortening = options.shortening || 0; + var arrowHeadLength = 10; + var arrowHeadWidth = 7; + var margin = 0.1; + var arrowHeadPoints = [[0, -arrowHeadWidth / 2], [arrowHeadLength, 0], [0, arrowHeadWidth / 2], [0, -arrowHeadWidth / 2]]; + var dx = x2 - x1; + var dy = y2 - y1; + var length = Math.sqrt(dx * dx + dy * dy); + if (length == 0) { + var cosA = 1; + var sinA = 0; + } else { + var cosA = dx / length; + var sinA = dy / length; + } + x2 = x1 + (length - shortening - arrowHeadLength - margin) * cosA; + y2 = y1 + (length - shortening - arrowHeadLength - margin) * sinA; + if (attributes.URL || attributes.tooltip) { + var a = edge.selectWithoutDataPropagation("g").selectWithoutDataPropagation("a"); + var line = a.selectWithoutDataPropagation("path"); + var arrowHead = a.selectWithoutDataPropagation("polygon"); + } else { + var line = edge.selectWithoutDataPropagation("path"); + var arrowHead = edge.selectWithoutDataPropagation("polygon"); + } + var path1 = d3Path.path(); + path1.moveTo(x1, y1); + path1.lineTo(x2, y2); + line.attr("d", path1); + x2 = x1 + (length - shortening - arrowHeadLength) * cosA; + y2 = y1 + (length - shortening - arrowHeadLength) * sinA; + for (var i = 0; i < arrowHeadPoints.length; i++) { + var point = arrowHeadPoints[i]; + arrowHeadPoints[i] = rotate(point[0], point[1], cosA, sinA); + } + for (var i = 0; i < arrowHeadPoints.length; i++) { + var point = arrowHeadPoints[i]; + arrowHeadPoints[i] = [x2 + point[0], y2 + point[1]]; + } + var allPoints = []; + for (var i = 0; i < arrowHeadPoints.length; i++) { + var point = arrowHeadPoints[i]; + allPoints.push(point.join(',')); + } + var pointsAttr = allPoints.join(' '); + arrowHead.attr("points", pointsAttr); + return this; + } + function moveDrawnEdgeEndPoint(x2, y2) { + var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + if (!this._drawnEdge) { + throw Error('No edge has been drawn'); + } + var edge = this._drawnEdge.g; + var x1 = this._drawnEdge.x1; + var y1 = this._drawnEdge.y1; + var attributes = this._drawnEdge.attributes; + this._drawnEdge.x2 = x2; + this._drawnEdge.y2 = y2; + _moveEdge(edge, x1, y1, x2, y2, attributes, options); + return this; + } + function removeDrawnEdge() { + if (!this._drawnEdge) { + return this; + } + var edge = this._drawnEdge.g; + edge.remove(); + this._drawnEdge = null; + return this; + } + function insertDrawnEdge(name) { + if (!this._drawnEdge) { + throw Error('No edge has been drawn'); + } + var edge = this._drawnEdge.g; + if (edge.empty()) { + return this; + } + this._drawnEdge.attributes; + var title = edge.selectWithoutDataPropagation("title"); + title.text(name); + var root = this._selection; + var svg = root.selectWithoutDataPropagation("svg"); + var graph0 = svg.selectWithoutDataPropagation("g"); + var graph0Datum = graph0.datum(); + var edgeData = this._extractData(edge, graph0Datum.children.length, graph0.datum()); + graph0Datum.children.push(edgeData); + insertAllElementsData(edge, edgeData); + this._drawnEdge = null; + return this; + } + function drawnEdgeSelection() { + if (this._drawnEdge) { + return this._drawnEdge.g; + } else { + return d3__namespace.select(null); + } + } + function createEdge(attributes) { + var attributesString = ''; + for (var _i = 0, _Object$keys = Object.keys(attributes); _i < _Object$keys.length; _i++) { + var name = _Object$keys[_i]; + if (attributes[name] != null) { + attributesString += ' "' + name + '"="' + attributes[name] + '"'; + } + } + var dotSrc = 'digraph {a -> b [' + attributesString + ']}'; + var svgDoc = this.layoutSync(dotSrc, 'svg', 'dot'); + var parser = new window.DOMParser(); + var doc = parser.parseFromString(svgDoc, "image/svg+xml"); + var newDoc = d3__namespace.select(document.createDocumentFragment()).append(function () { + return doc.documentElement; + }); + var edge = newDoc.select('.edge'); + return edge; + } + + function drawNode(x, y, nodeId) { + var attributes = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {}; + var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {}; + attributes = Object.assign({}, attributes); + if (attributes.style && attributes.style.includes('invis')) { + var newNode = d3__namespace.select(null); + } else { + var root = this._selection; + var svg = root.selectWithoutDataPropagation("svg"); + var graph0 = svg.selectWithoutDataPropagation("g"); + var newNode0 = createNode.call(this, nodeId, attributes); + var nodeData = extractAllElementsData(newNode0); + var newNode = graph0.append('g').data([nodeData]); + attributeElement.call(newNode.node(), nodeData); + _updateNode.call(this, newNode, x, y, nodeId, attributes, options); + } + this._drawnNode = { + g: newNode, + nodeId: nodeId, + x: x, + y: y, + attributes: attributes + }; + return this; + } + function updateDrawnNode(x, y, nodeId) { + var attributes = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {}; + var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {}; + if (!this._drawnNode) { + throw Error('No node has been drawn'); + } + var node = this._drawnNode.g; + if (nodeId == null) { + nodeId = this._drawnNode.nodeId; + } + attributes = Object.assign(this._drawnNode.attributes, attributes); + this._drawnNode.nodeId = nodeId; + this._drawnNode.x = x; + this._drawnNode.y = y; + if (node.empty() && !(attributes.style && attributes.style.includes('invis'))) { + var root = this._selection; + var svg = root.selectWithoutDataPropagation("svg"); + var graph0 = svg.selectWithoutDataPropagation("g"); + var node = graph0.append('g'); + this._drawnNode.g = node; + } + if (!node.empty()) { + _updateNode.call(this, node, x, y, nodeId, attributes, options); + } + return this; + } + function _updateNode(node, x, y, nodeId, attributes, options) { + var newNode = createNode.call(this, nodeId, attributes); + var nodeData = extractAllElementsData(newNode); + node.data([nodeData]); + attributeElement.call(node.node(), nodeData); + _moveNode(node, x, y, attributes); + return this; + } + function _moveNode(node, x, y, attributes, options) { + if (attributes.URL || attributes.tooltip) { + var subParent = node.selectWithoutDataPropagation("g").selectWithoutDataPropagation("a"); + } else { + var subParent = node; + } + var svgElements = subParent.selectAll('ellipse,polygon,path,polyline'); + var text = node.selectWithoutDataPropagation("text"); + if (svgElements.size() != 0) { + var bbox = svgElements.node().getBBox(); + bbox.cx = bbox.x + bbox.width / 2; + bbox.cy = bbox.y + bbox.height / 2; + } else if (text.size() != 0) { + bbox = { + x: +text.attr('x'), + y: +text.attr('y'), + width: 0, + height: 0, + cx: +text.attr('x'), + cy: +text.attr('y') + }; + } + svgElements.each(function (data, index) { + var svgElement = d3__namespace.select(this); + if (svgElement.attr("cx")) { + svgElement.attr("cx", roundTo2Decimals(x)).attr("cy", roundTo2Decimals(y)); + } else if (svgElement.attr("points")) { + var pointsString = svgElement.attr('points').trim(); + svgElement.attr("points", translatePointsAttribute(pointsString, x - bbox.cx, y - bbox.cy)); + } else { + var d = svgElement.attr('d'); + svgElement.attr("d", translateDAttribute(d, x - bbox.cx, y - bbox.cy)); + } + }); + if (text.size() != 0) { + text.attr("x", roundTo2Decimals(+text.attr("x") + x - bbox.cx)).attr("y", roundTo2Decimals(+text.attr("y") + y - bbox.cy)); + } + return this; + } + function moveDrawnNode(x, y) { + if (!this._drawnNode) { + throw Error('No node has been drawn'); + } + var node = this._drawnNode.g; + var attributes = this._drawnNode.attributes; + this._drawnNode.x = x; + this._drawnNode.y = y; + if (!node.empty()) { + _moveNode(node, x, y, attributes); + } + return this; + } + function removeDrawnNode() { + if (!this._drawnNode) { + return this; + } + var node = this._drawnNode.g; + if (!node.empty()) { + node.remove(); + } + this._drawnNode = null; + return this; + } + function insertDrawnNode(nodeId) { + if (!this._drawnNode) { + throw Error('No node has been drawn'); + } + if (nodeId == null) { + nodeId = this._drawnNode.nodeId; + } + var node = this._drawnNode.g; + if (node.empty()) { + return this; + } + var attributes = this._drawnNode.attributes; + var title = node.selectWithoutDataPropagation("title"); + title.text(nodeId); + if (attributes.URL || attributes.tooltip) { + var ga = node.selectWithoutDataPropagation("g"); + var a = ga.selectWithoutDataPropagation("a"); + a.selectWithoutDataPropagation('ellipse,polygon,path,polyline'); + var text = a.selectWithoutDataPropagation('text'); + } else { + node.selectWithoutDataPropagation('ellipse,polygon,path,polyline'); + var text = node.selectWithoutDataPropagation('text'); + } + text.text(attributes.label || nodeId); + var root = this._selection; + var svg = root.selectWithoutDataPropagation("svg"); + var graph0 = svg.selectWithoutDataPropagation("g"); + var graph0Datum = graph0.datum(); + var nodeData = this._extractData(node, graph0Datum.children.length, graph0.datum()); + graph0Datum.children.push(nodeData); + insertAllElementsData(node, nodeData); + this._drawnNode = null; + return this; + } + function drawnNodeSelection() { + if (this._drawnNode) { + return this._drawnNode.g; + } else { + return d3__namespace.select(null); + } + } + function createNode(nodeId, attributes) { + var attributesString = ''; + for (var _i = 0, _Object$keys = Object.keys(attributes); _i < _Object$keys.length; _i++) { + var name = _Object$keys[_i]; + if (attributes[name] != null) { + attributesString += ' "' + name + '"="' + attributes[name] + '"'; + } + } + var dotSrc = 'graph {"' + nodeId + '" [' + attributesString + ']}'; + var svgDoc = this.layoutSync(dotSrc, 'svg', 'dot'); + var parser = new window.DOMParser(); + var doc = parser.parseFromString(svgDoc, "image/svg+xml"); + var newDoc = d3__namespace.select(document.createDocumentFragment()).append(function () { + return doc.documentElement; + }); + var node = newDoc.select('.node'); + return node; + } + + /* This file is excluded from coverage because the instrumented code + * translates "self" which gives a reference error. + */ + + /* c8 ignore start */ + + function workerCodeBody(port) { + self.document = {}; // Workaround for "ReferenceError: document is not defined" in hpccWasm + + port.addEventListener('message', function (event) { + var hpccWasm = self["@hpcc-js/wasm"]; + if (hpccWasm == undefined && event.data.vizURL) { + importScripts(event.data.vizURL); + hpccWasm = self["@hpcc-js/wasm"]; + // This is an alternative workaround where wasmFolder() is not needed + // document = {currentScript: {src: event.data.vizURL}}; + } + if (event.data.type == "version") { + hpccWasm.Graphviz.load().then(function (graphviz) { + port.postMessage({ + type: "version", + version: graphviz.version() + }); + }); + return; + } + hpccWasm.Graphviz.load().then(function (graphviz) { + var svg = graphviz.layout(event.data.dot, "svg", event.data.engine, event.data.options); + if (svg) { + port.postMessage({ + type: "done", + svg: svg + }); + } else if (event.data.vizURL) { + port.postMessage({ + type: "init" + }); + } else { + port.postMessage({ + type: "skip" + }); + } + })["catch"](function (error) { + port.postMessage({ + type: "error", + error: error.message + }); + }); + }); + } + function workerCode() { + var port = self; + workerCodeBody(port); + } + function sharedWorkerCode() { + self.onconnect = function (e) { + var port = e.ports[0]; + workerCodeBody(port); + port.start(); + }; + } + + /* c8 ignore stop */ + + var _graphviz$prototype; + function Graphviz(selection, options) { + var _this = this; + this._options = { + useWorker: true, + useSharedWorker: false, + engine: 'dot', + keyMode: 'title', + fade: true, + tweenPaths: true, + tweenShapes: true, + convertEqualSidedPolygons: true, + tweenPrecision: 1, + growEnteringEdges: true, + zoom: true, + zoomScaleExtent: [0.1, 10], + zoomTranslateExtent: [[-Infinity, -Infinity], [+Infinity, +Infinity]], + width: null, + height: null, + scale: 1, + fit: false + }; + if (options instanceof Object) { + for (var _i = 0, _Object$keys = Object.keys(options); _i < _Object$keys.length; _i++) { + var option = _Object$keys[_i]; + this._options[option] = options[option]; + } + } else if (typeof options == 'boolean') { + this._options.useWorker = options; + } + var useWorker = this._options.useWorker; + var useSharedWorker = this._options.useSharedWorker; + if (typeof Worker == 'undefined') { + useWorker = false; + } + if (typeof SharedWorker == 'undefined') { + useSharedWorker = false; + } + if (useWorker || useSharedWorker) { + var scripts = d3__namespace.selectAll('script'); + var vizScript = scripts.filter(function () { + return d3__namespace.select(this).attr('type') == 'javascript/worker' || d3__namespace.select(this).attr('src') && d3__namespace.select(this).attr('src').match(/.*\/@hpcc-js\/wasm/); + }); + if (vizScript.size() == 0) { + console.warn('No script tag of type "javascript/worker" was found and "useWorker" is true. Not using web worker.'); + useWorker = false; + useSharedWorker = false; + } else { + this._vizURL = vizScript.attr('src'); + if (!this._vizURL) { + console.warn('No "src" attribute of was found on the "javascript/worker" script tag and "useWorker" is true. Not using web worker.'); + useWorker = false; + useSharedWorker = false; + } + } + } + if (useSharedWorker) { + var url = 'data:application/javascript;base64,' + btoa(workerCodeBody.toString() + '(' + sharedWorkerCode.toString() + ')()'); + this._worker = this._worker = new SharedWorker(url); + this._workerPort = this._worker.port; + this._workerPortClose = this._worker.port.close.bind(this._workerPort); + this._worker.port.start(); + this._workerCallbacks = []; + } else if (useWorker) { + var blob = new Blob([workerCodeBody.toString() + '(' + workerCode.toString() + ')()']); + var blobURL = window.URL.createObjectURL(blob); + this._worker = new Worker(blobURL); + this._workerPort = this._worker; + this._workerPortClose = this._worker.terminate.bind(this._worker); + this._workerCallbacks = []; + } else { + xo.load().then(function (graphviz) { + _this._graphvizVersion = graphviz.version(); + }.bind(this)); + } + this._selection = selection; + this._active = false; + this._busy = false; + this._jobs = []; + this._queue = []; + this._keyModes = new Set(['title', 'id', 'tag-index', 'index']); + this._images = []; + this._translation = undefined; + this._scale = undefined; + this._eventTypes = ['initEnd', 'start', 'layoutStart', 'layoutEnd', 'dataExtractEnd', 'dataProcessPass1End', 'dataProcessPass2End', 'dataProcessEnd', 'renderStart', 'renderEnd', 'transitionStart', 'transitionEnd', 'restoreEnd', 'end', 'zoom']; + this._dispatch = d3Dispatch.dispatch.apply(void 0, _toConsumableArray(this._eventTypes)); + initViz.call(this); + selection.node().__graphviz__ = this; + } + function graphviz(selector, options) { + var g = d3__namespace.select(selector).graphviz(options); + return g; + } + Graphviz.prototype = graphviz.prototype = (_graphviz$prototype = { + constructor: Graphviz, + engine: engine, + addImage: images, + keyMode: keyMode, + fade: fade, + tweenPaths: tweenPaths, + tweenShapes: tweenShapes, + convertEqualSidedPolygons: convertEqualSidedPolygons, + tweenPrecision: tweenPrecision, + growEnteringEdges: growEnteringEdges, + zoom: zoom, + resetZoom: resetZoom, + zoomBehavior: zoomBehavior, + zoomSelection: zoomSelection, + zoomScaleExtent: zoomScaleExtent, + zoomTranslateExtent: zoomTranslateExtent, + render: render, + layout: layout, + dot: dot, + data: data, + renderDot: renderDot, + transition: transition, + active: active, + options: options, + width: width, + height: height, + scale: scale, + fit: fit, + attributer: attributer, + on: on, + onerror: onerror, + logEvents: logEvents, + destroy: destroy, + drawEdge: drawEdge, + updateDrawnEdge: updateDrawnEdge, + moveDrawnEdgeEndPoint: moveDrawnEdgeEndPoint, + insertDrawnEdge: insertDrawnEdge, + removeDrawnEdge: removeDrawnEdge + }, _defineProperty(_defineProperty(_defineProperty(_defineProperty(_defineProperty(_defineProperty(_defineProperty(_defineProperty(_defineProperty(_defineProperty(_graphviz$prototype, "removeDrawnEdge", removeDrawnEdge), "drawnEdgeSelection", drawnEdgeSelection), "drawnEdgeSelection", drawnEdgeSelection), "drawNode", drawNode), "updateDrawnNode", updateDrawnNode), "moveDrawnNode", moveDrawnNode), "insertDrawnNode", insertDrawnNode), "removeDrawnNode", removeDrawnNode), "removeDrawnNode", removeDrawnNode), "drawnNodeSelection", drawnNodeSelection), _defineProperty(_defineProperty(_graphviz$prototype, "drawnNodeSelection", drawnNodeSelection), "graphvizVersion", graphvizVersion)); + + function selection_graphviz (options) { + var g = this.node().__graphviz__; + if (g) { + g.options(options); + // Ensure a possible new initEnd event handler is attached before calling it + d3Timer.timeout(function () { + g._dispatch.call("initEnd", this); + }.bind(this), 0); + } else { + g = new Graphviz(this, options); + } + return g; + } + + function selection_selectWithoutDataPropagation (name) { + return d3__namespace.select(this.size() > 0 ? this.node().querySelector(name) : null); + } + + d3.selection.prototype.graphviz = selection_graphviz; + d3.selection.prototype.selectWithoutDataPropagation = selection_selectWithoutDataPropagation; + + exports.graphviz = graphviz; + +})); +//# sourceMappingURL=d3-graphviz.js.map diff --git a/chapter25/docs/d3.v7.min.js b/chapter25/docs/d3.v7.min.js new file mode 100644 index 00000000..33bb8802 --- /dev/null +++ b/chapter25/docs/d3.v7.min.js @@ -0,0 +1,2 @@ +// https://d3js.org v7.9.0 Copyright 2010-2023 Mike Bostock +!function(t,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n((t="undefined"!=typeof globalThis?globalThis:t||self).d3=t.d3||{})}(this,(function(t){"use strict";function n(t,n){return null==t||null==n?NaN:tn?1:t>=n?0:NaN}function e(t,n){return null==t||null==n?NaN:nt?1:n>=t?0:NaN}function r(t){let r,o,a;function u(t,n,e=0,i=t.length){if(e>>1;o(t[r],n)<0?e=r+1:i=r}while(en(t(e),r),a=(n,e)=>t(n)-e):(r=t===n||t===e?t:i,o=t,a=t),{left:u,center:function(t,n,e=0,r=t.length){const 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3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Rx(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ux.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 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+
+
Simple Program:
+ +
+
+
+ +
+ + +
0
+ +
0
+ +
+
+ + + + diff --git a/chapter25/docs/lattice.gv b/chapter25/docs/lattice.gv new file mode 100644 index 00000000..8661082d --- /dev/null +++ b/chapter25/docs/lattice.gv @@ -0,0 +1,203 @@ +digraph Lattice { + compound = true; + // Define nodes + splines=false; + node [shape=circle, style=filled]; + nodesep=0.2; + ranksep=0.2; + + TOP [label=<⊤>, fillcolor=black, fontcolor=white]; + BOT [label=<⊥>, fillcolor=black, fontcolor=white]; + + // ---------------------- + // Control + XCTRL [label=<⊤:ctrl>, fillcolor=yellow, shape=oval]; + CTRL [label=<⊥:ctrl>, fillcolor=yellow, shape=oval]; + + TOP -> XCTRL; + XCTRL -> CTRL; + CTRL -> BOT; + + // ---------------------- + // Integers + INT_TOP [label=<⊤:int>, fillcolor=lightblue, shape=oval]; + INT_BOT [label=<⊥:int>, fillcolor=lightblue, shape=oval]; + + INT_HI [label="[min>max]" , fillcolor=lightblue, shape=oval]; + INT_XBOOL [label="[1...0]", fillcolor=lightblue, shape=oval]; + INT_CON [label="constants", fillcolor=lightblue, shape=oval]; + INT_CON0 [label="0", fillcolor=lightblue]; + INT_CON1 [label="1", fillcolor=lightblue]; + INT_BOOL [label="[0...1]", fillcolor=lightblue,shape=oval]; + INT_LO [label="[min INT_TOP; + INT_TOP -> INT_HI; + INT_HI -> INT_XBOOL; + INT_XBOOL -> INT_CON0; + INT_XBOOL -> INT_CON1; + INT_HI -> INT_CON; + INT_CON0 -> INT_BOOL; + INT_CON1 -> INT_BOOL; + INT_BOOL -> INT_LO; + INT_CON -> INT_LO; + INT_LO -> INT_BOT; + INT_BOT -> BOT; + + INT_CON0 -> INT_CON1 -> INT_CON [style=invis]; + + // ---------------------- + // Floats + FLT_TOP [label=<⊤:flt>, fillcolor=aqua, shape=oval]; + FLT_BOT [label=<⊥:flt>, fillcolor=aqua, shape=oval]; + + FLT_CON64 [label="64b consts\n[excludes\n32b consts]" , fillcolor=aqua, shape=oval]; + FLT_CON32 [label="32b consts", fillcolor=aqua, shape=oval]; + FLT_CONPI [label="3.14159...", fillcolor=aqua, shape=oval]; + FLT_X32 [label="~f32", fillcolor=aqua]; + FLT_CON0 [label="0." , fillcolor=aqua]; + FLT_32 [label="f32" , fillcolor=aqua]; + + TOP -> FLT_TOP; + FLT_TOP -> FLT_CON64 + FLT_TOP -> FLT_CONPI + FLT_CON64 -> FLT_BOT + FLT_CONPI -> FLT_BOT + + FLT_TOP -> FLT_X32; + FLT_X32 -> FLT_CON0; + FLT_X32 -> FLT_CON32; + FLT_CON0 -> FLT_32; + FLT_CON32 -> FLT_32; + FLT_32 -> FLT_BOT + + FLT_BOT -> BOT; + + FLT_CON0 -> FLT_CON32 -> FLT_CONPI -> FLT_CON64 [style=invis]; + + + // ---------------------- + // Pointers, just a boolean nil/not and a struct + PTR [shape=none, fillcolor=none, label=< + + + +
*ptr
struct
+ >]; + PTR0 [shape=none, fillcolor=none, label=< + + + +
*ptr?
struct
+ >]; + + TOP -> PTR; + PTR -> PTR0; + PTR0 -> BOT; + + // ---------------------- + // Structs + STRUCT_TOP [label=<⊤:struct>, fillcolor=lightgreen, shape=oval]; + STRUCT_BOT [label=<⊥:struct>, fillcolor=lightgreen, shape=oval]; + + STRUCT_S1 [shape=none, fillcolor=none, label=< + + +
fieldint/ptr
+ >]; + STRUCT_S2 [shape=none, fillcolor=none, label=< + + + +
fieldint/ptr
fieldint/ptr
+ >]; + STRUCT_SN [shape=none, fillcolor=none, label=< + + + + +
fieldint/ptr
... int/ptr
fieldint/ptr
+ >]; + + + TOP -> STRUCT_TOP; + STRUCT_TOP -> STRUCT_S1; + STRUCT_TOP -> STRUCT_S2; + STRUCT_TOP -> STRUCT_SN; + STRUCT_S1 -> STRUCT_BOT; + STRUCT_S2 -> STRUCT_BOT; + STRUCT_SN -> STRUCT_BOT; + STRUCT_BOT -> BOT; + + STRUCT_S1 -> STRUCT_S2 -> STRUCT_SN [style=invis]; + + // ---------------------- + // Memory + MEM_TOP [label=<⊤:mem>, fillcolor=blue, fontcolor=white, shape=oval]; + MEM_BOT [label=<⊥:mem>, fillcolor=blue, fontcolor=white, shape=oval]; + MEM_ALIAS1 [label="#1" , fillcolor=blue, fontcolor=white]; + MEM_ALIASDOTS [label="..." , fillcolor=blue, fontcolor=white, shape=oval]; + MEM_ALIASN [label="#n" , fillcolor=blue, fontcolor=white]; + + TOP -> MEM_TOP; + MEM_TOP -> MEM_ALIAS1; + MEM_TOP -> MEM_ALIASDOTS; + MEM_TOP -> MEM_ALIASN; + MEM_ALIAS1 -> MEM_BOT; + MEM_ALIASDOTS -> MEM_BOT; + MEM_ALIASN -> MEM_BOT; + MEM_BOT -> BOT; + + MEM_ALIAS1 -> MEM_ALIASDOTS -> MEM_ALIASN [style=invis]; + + // ---------------------- + // Tuples + + TUPLE_TOP [label=<⊤:tuple>, fillcolor=pink, shape=oval]; + TUPLE_BOT [label=<⊥:tuple>, fillcolor=pink, shape=oval]; + + TUPLE1 [shape=none, fillcolor=none, label=< + + + +
Tuple
type
+ >]; + TUPLE2 [shape=none, fillcolor=none, label=< + + + + +
Tuple
type
type
+ >]; + TUPLEN [shape=none, fillcolor=none, label=< + + + + + +
Tuple
type
...
type
+ >]; + + + TOP -> TUPLE_TOP; + TUPLE_TOP -> TUPLE1; + TUPLE_TOP -> TUPLE2; + TUPLE_TOP -> TUPLEN; + TUPLE1 -> TUPLE_BOT; + TUPLE2 -> TUPLE_BOT; + TUPLEN -> TUPLE_BOT; + TUPLE_BOT -> BOT; + + // ---------------------- + // Additional customization + {rank=same; TOP;} + {rank=same; INT_TOP; FLT_TOP; XCTRL; PTR; STRUCT_TOP; MEM_TOP; TUPLE_TOP} + {rank=same; INT_CON; INT_CON0; INT_CON1; + FLT_CON32; FLT_CON64; FLT_CON0; FLT_CONPI; + STRUCT_S1; STRUCT_S2; STRUCT_SN; + MEM_ALIAS1; MEM_ALIASDOTS; MEM_ALIASN; + TUPLE1; TUPLE2; TUPLEN; + } + {rank=same; INT_BOT; FLT_BOT; CTRL; PTR0; STRUCT_BOT; MEM_BOT; TUPLE_BOT} + {rank=same; BOT;} +} diff --git a/chapter25/docs/lattice.svg b/chapter25/docs/lattice.svg new file mode 100644 index 00000000..e72b473b --- /dev/null +++ b/chapter25/docs/lattice.svg @@ -0,0 +1,691 @@ + + + + + + +Lattice + + + +TOP + +⊤ + + + +XCTRL + +⊤ +:ctrl + + + +TOP->XCTRL + + + + + +INT_TOP + +⊤ +:int + + + +TOP->INT_TOP + + + + + +FLT_TOP + +⊤ +:flt + + + +TOP->FLT_TOP + + + + + +PTR + + + +*ptr + + +struct + + + +TOP->PTR + + + + + +STRUCT_TOP + +⊤ +:struct + + + +TOP->STRUCT_TOP + + + + + +MEM_TOP + +⊤ +:mem + + + +TOP->MEM_TOP + + + + + +TUPLE_TOP + +⊤ +:tuple + + + +TOP->TUPLE_TOP + + + + + +BOT + +⊥ + + + +CTRL + +⊥ +:ctrl + + + +XCTRL->CTRL + + + + + +CTRL->BOT + + + + + +INT_HI + +[min>max] + + + +INT_TOP->INT_HI + + + + + +INT_BOT + +⊥ +:int + + + +INT_BOT->BOT + + + + + +INT_XBOOL + +[1...0] + + + +INT_HI->INT_XBOOL + + + + + +INT_CON + +constants + + + +INT_HI->INT_CON + + + + + +INT_CON0 + +0 + + + +INT_XBOOL->INT_CON0 + + + + + +INT_CON1 + +1 + + + +INT_XBOOL->INT_CON1 + + + + + +INT_LO + +[min<max] + + + +INT_CON->INT_LO + + + + + + +INT_BOOL + +[0...1] + + + +INT_CON0->INT_BOOL + + + + + + +INT_CON1->INT_BOOL + + + + + +INT_BOOL->INT_LO + + + + + +INT_LO->INT_BOT + + + + + +FLT_CON64 + +64b consts +[excludes +32b consts] + + + +FLT_TOP->FLT_CON64 + + + + + +FLT_CONPI + +3.14159... + + + +FLT_TOP->FLT_CONPI + + + + + +FLT_X32 + +~f32 + + + +FLT_TOP->FLT_X32 + + + + + +FLT_BOT + +⊥ +:flt + + + +FLT_BOT->BOT + + + + + +FLT_CON64->FLT_BOT + + + + + +FLT_CON32 + +32b consts + + + + +FLT_32 + +f32 + + + +FLT_CON32->FLT_32 + + + + + +FLT_CONPI->FLT_BOT + + + + + + +FLT_X32->FLT_CON32 + + + + + +FLT_CON0 + +0. + + + +FLT_X32->FLT_CON0 + + + + + + +FLT_CON0->FLT_32 + + + + + +FLT_32->FLT_BOT + + + + + +PTR0 + + + +*ptr? + + +struct + + + +PTR->PTR0 + + + + + +PTR0->BOT + + + + + +STRUCT_S1 + + + +field + + + + + + + + +int/ptr + + + +STRUCT_TOP->STRUCT_S1 + + + + + +STRUCT_S2 + + + +field + + + + + + + + +int/ptr + + +field + + + + + + + + +int/ptr + + + +STRUCT_TOP->STRUCT_S2 + + + + + +STRUCT_SN + + + +field + + + + + + + + +int/ptr + + +...   + + + + + + + + +int/ptr + + +field + + + + + + + + +int/ptr + + + +STRUCT_TOP->STRUCT_SN + + + + + +STRUCT_BOT + +⊥ +:struct + + + +STRUCT_BOT->BOT + + + + + +STRUCT_S1->STRUCT_BOT + + + + + + +STRUCT_S2->STRUCT_BOT + + + + + + +STRUCT_SN->STRUCT_BOT + + + + + +MEM_ALIAS1 + +#1 + + + +MEM_TOP->MEM_ALIAS1 + + + + + +MEM_ALIASDOTS + +... + + + +MEM_TOP->MEM_ALIASDOTS + + + + + +MEM_ALIASN + +#n + + + +MEM_TOP->MEM_ALIASN + + + + + +MEM_BOT + +⊥ +:mem + + + +MEM_BOT->BOT + + + + + +MEM_ALIAS1->MEM_BOT + + + + + + +MEM_ALIASDOTS->MEM_BOT + + + + + + +MEM_ALIASN->MEM_BOT + + + + + +TUPLE1 + + + +Tuple + + +type + + + +TUPLE_TOP->TUPLE1 + + + + + +TUPLE2 + + + +Tuple + + +type + + +type + + + +TUPLE_TOP->TUPLE2 + + + + + +TUPLEN + + + +Tuple + + +type + + +... + + +type + + + +TUPLE_TOP->TUPLEN + + + + + +TUPLE_BOT + +⊥ +:tuple + + + +TUPLE_BOT->BOT + + + + + +TUPLE1->TUPLE_BOT + + + + + +TUPLE2->TUPLE_BOT + + + + + +TUPLEN->TUPLE_BOT + + + + + diff --git a/chapter25/docs/lattice2.gv b/chapter25/docs/lattice2.gv new file mode 100644 index 00000000..6aa37fa0 --- /dev/null +++ b/chapter25/docs/lattice2.gv @@ -0,0 +1,85 @@ +digraph Lattice { + compound = true; + // Define nodes + splines=false; + node [shape=oval, style=filled]; + nodesep=0.2; + ranksep=0.4; + + TOP [label="~scalar\n+int+tmp+0", fillcolor=black, fontcolor=white, group=center]; + + // ------------------------ + PTRHQ [label="~tmp\n+tmp+0", fillcolor=green, fontcolor=white, group=left]; + TOP -> PTRHQ + + VALH_ [label="~nscalar\n+int+tmp", fillcolor=white, group=center]; + TOP -> VALH_ + + INTHQ [label="~int\n+int+0", fillcolor=lightblue, group=right]; + TOP -> INTHQ + + LEFTHI [label="junk", style=invis, group=junkleft] + + + PTRHQ -> LEFTHI-> VALH_ -> INTHQ [style=invis]; + { rank=same; PTRHQ; LEFTHI; VALH_; INTHQ } + + // ------------------------ + PTRH_ [label="~ntmp\n+tmp", fillcolor=green, fontcolor=white, group=left]; + VALH_ -> PTRH_ + PTRHQ -> PTRH_ + + INTH_ [label="~nint\n+int", fillcolor=lightblue, group=right]; + VALH_ -> INTH_ + INTHQ -> INTH_ + { rank=same; PTRH_; INTH_ } + + // ------------------------ + NILX_ [label="~nil\n[int,tmp]+0", fillcolor=aqua, group=junkleft]; + INTHQ -> NILX_ + PTRHQ -> NILX_ + + NIL__ [label="nil\n[+int+tmp],0", fillcolor=pink]; + VALH_ -> NIL__; + + NILX_ -> NIL__ [style=invis]; + { rank=same; NIL__; NILX_ } + + // ------------------------ + PTRL_ [label="ntmp\ntmp", fillcolor=green, fontcolor=white, group=left]; + PTRH_ -> PTRL_ + + INTL_ [label="nint\nint", fillcolor=lightblue, group=right]; + INTH_ -> INTL_ + { rank=same; PTRL_; INTL_ } + + // ------------------------ + PTRL0 [label="tmp\ntmp,0", fillcolor=green, fontcolor=white, group=left]; + PTRL_ -> PTRL0 + NIL__ -> PTRL0 + + VALL_ [label="nscalar\nint,tmp", fillcolor=white, group=center]; + PTRL_ -> VALL_ + INTL_ -> VALL_ + NILX_ -> VALL_ + + INTL0 [label="int\nint,0", fillcolor=lightblue, group=right]; + INTL_ -> INTL0 + NIL__ -> INTL0 + + PTRL0 -> VALL_ -> INTL0 [style=invis]; + { rank=same; PTRL0; VALL_; INTL0 } + + // ------------------------ + BOT [label="scalar\nint,tmp,0", fillcolor=black, fontcolor=white, group=center]; + PTRL0 -> BOT + INTL0 -> BOT + VALL_ -> BOT + + // ------------------------ + // Verticle alignment + TOP -> VALH_ -> VALL_ -> BOT [style=invis]; + PTRHQ -> PTRH_ -> PTRL_ -> PTRL0 [style=invis]; + INTHQ -> INTH_ -> INTL_ -> INTL0 [style=invis]; + LEFTHI -> NILX_ [style=invis] +} diff --git a/chapter25/docs/lattice2.svg b/chapter25/docs/lattice2.svg new file mode 100644 index 00000000..8b682aa7 --- /dev/null +++ b/chapter25/docs/lattice2.svg @@ -0,0 +1,260 @@ + + + + + + +Lattice + + + +TOP + +~scalar ++int+tmp+0 + + + +PTRHQ + +~tmp ++tmp+0 + + + +TOP->PTRHQ + + + + + +VALH_ + +~nscalar ++int+tmp + + + +TOP->VALH_ + + + + + + +INTHQ + +~int ++int+0 + + + +TOP->INTHQ + + + + + + + +PTRH_ + +~ntmp ++tmp + + + +PTRHQ->PTRH_ + + + + + + +NILX_ + +~nil +[int,tmp]+0 + + + +PTRHQ->NILX_ + + + + + + +VALH_->PTRH_ + + + + + +INTH_ + +~nint ++int + + + +VALH_->INTH_ + + + + + +NIL__ + +nil +[+int+tmp],0 + + + +VALH_->NIL__ + + + + + +VALL_ + +nscalar +int,tmp + + + + +INTHQ->INTH_ + + + + + + +INTHQ->NILX_ + + + + + + + +PTRL_ + +ntmp +tmp + + + +PTRH_->PTRL_ + + + + + + +INTL_ + +nint +int + + + +INTH_->INTL_ + + + + + + + +NILX_->VALL_ + + + + + +PTRL0 + +tmp +tmp,0 + + + +NIL__->PTRL0 + + + + + +INTL0 + +int +int,0 + + + +NIL__->INTL0 + + + + + +PTRL_->PTRL0 + + + + + + +PTRL_->VALL_ + + + + + +INTL_->VALL_ + + + + + +INTL_->INTL0 + + + + + + + +BOT + +scalar +int,tmp,0 + + + +PTRL0->BOT + + + + + + +VALL_->BOT + + + + + + +INTL0->BOT + + + + + diff --git a/chapter25/docs/pardoe.docx b/chapter25/docs/pardoe.docx new file mode 100644 index 00000000..24fde921 Binary files /dev/null and b/chapter25/docs/pardoe.docx differ diff --git a/chapter25/docs/webtcp.min.js b/chapter25/docs/webtcp.min.js new file mode 100644 index 00000000..bf23ee5a --- /dev/null +++ b/chapter25/docs/webtcp.min.js @@ -0,0 +1,65 @@ +function Http(j){this.cID=Math.random().toString(36).substr(2);this.webtcp=j;this.webtcp.httpClients[this.cID]=this;this.createPacket=function(){return{cID:this.cID,type:"http",host:this.remoteAddress,port:this.remotePort,method:null,data:null}};this.ondata=function(){};this.get=function(g,c){this.on("data",c);this.rpc("httpGet",[g])};this.post=function(g,c,j){this.on("data",j);this.rpc("httpPost",[g,c])}}Http.prototype=new WebTCPIO;function Socket(j,g,c,p){this.sID=Math.random().toString(36).substr(2);this.webtcp=j;this.closed=this.ready=!1;this.options=p;this.sockOpts={_updating:!1};this.remoteAddress=g;this.remotePort=c;this.webtcp.sockets[this.sID]=this;this.createPacket=function(){return{id:Math.random().toString(36).substr(2),sID:this.sID,type:"tcp",options:this.options,host:this.remoteAddress,port:this.remotePort,data:null}};this.onconnect=function(){this.webtcp.sockets[sID].ready=!0;this.webtcp.sockets[sID].closed=!1}; 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