From 34e7282dd7c58b49702c7ecd9f80a46398efd0c1 Mon Sep 17 00:00:00 2001 From: Cliff Click Date: Fri, 7 Feb 2025 08:58:36 -0800 Subject: Ch19 (#155) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Initial push Major CodeGen cleanup; most static globals move into the CodeGen object. * Minor progress bug with mutual recursion * Add test from pr#148 * First cut x86 "port" Only "return 0;", no registers, no encoding, but yah gotta start somewhere * Update README.md * Update README.md * Update ListScheduler.java * command line launcher for simple Parser bug fref in args Some new test cases. * Add basic RegMask for more than 64 bits of register mask. Add calling convention basics to X86; con+ret RegMasks. GCM computes CFG for all users. Drop unused MultiUse. Pick up reg-pressure aware ListScheduler. Re-layout CodeGen file to get code & data chunks nearer each other. minor Ary extension * ASM Printer InstSel handles folding 2+ ideal ops into 1 machine op * handle instSel for some control flow Bool,If,CProj,Region,Phi Handle 2-op expansions Shuffle instSel graph walk back again. * Basic if-block inst selects and asm prints * Add mul-by-coinstant to shift * left shift codegen basic * exclude RSP from *write* mask * 2-arg add (not immediate) mul-by-small constant opt. Some utilities. * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * inst select for new struct allocation * Float, bitwise and arithmetic operands codegen x86-64 (#150) * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * float ops without imm values * merge * merge * inst select for new struct allocation * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * float ops without imm values * merge * merge * Rebased on ch 19 * Update tests --------- Co-authored-by: Cliff Click * cleanup after merge alpha-sort helper fcns implicit test vs zero/null * Add LEA op asm print works on ideal nodes for all tests * Minor cleanup lea * x86 addressing modes during inst select Drop New taking inits; just follow with initializing stores. Simplifies inst selelection which otherwise needs to undo this optimization and emit following init stores. Basic load/store for now, op-to-mem comes later add same becomes Shl by 1. Drop DivF-immiedate * extended ch13, 14,15,16 (#153) * merge2 * merge3 * Fix a few minor fuzzer bugs * Force array layout ld/st get size (but not signed/unsigned) Add unsigned LT for later range checks. * Fix a bunch of float issues was deleting required inputs * simpler invariant defensive copy inputs for simpler invariant in complex sharing patterns inc/dec form (just the opcode now). * Call & CallR X86 instructions * Add-from-memory op Remove FP immediate forms. * Remove name from TFP Never shoulda been there (but was convenient for awhile). Moved into FunNode, found by checking the linker table with a TFP. * New (#154) * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * call setup * merge2 * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI --------- Co-authored-by: Cliff Click * Add CmpMem form Common addressing mode print LEA can skip a base * Add a AddFMemX86 A bunch of mem op patterns are missing, hopefully they are just cut-n-paste from the existing patterns. * Docs * XMM reg mask fix Minor README updates * Allow inverted cmp/mem narrowing stores can bypass an AndMask Array length loads do not need control Some missing print info * Support "*ptr op= val" at least for MemAdd * missed golden rule update * Array len is u32 load-after-store zero/sign-extends if the store is truncating * One more missed case --------- Co-authored-by: hadha Co-authored-by: Tamás Hadházy 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100644 chapter19/src/test/java/com/seaofnodes/simple/TypeTest.java create mode 100644 chapter19/src/test/java/com/seaofnodes/simple/evaluator/Evaluator.java create mode 100644 chapter19/src/test/java/com/seaofnodes/simple/evaluator/Scheduler.java create mode 100644 chapter19/src/test/java/com/seaofnodes/simple/fuzzer/Fuzzer.java create mode 100644 chapter19/src/test/java/com/seaofnodes/simple/fuzzer/FuzzerUtils.java create mode 100644 chapter19/src/test/java/com/seaofnodes/simple/fuzzer/Reducer.java create mode 100644 chapter19/src/test/java/com/seaofnodes/simple/fuzzer/ScriptGenerator.java create mode 100644 chapter19/src/test/java/com/seaofnodes/simple/progs/fcn.smp create mode 100644 chapter19/src/test/java/com/seaofnodes/simple/progs/fcn2.smp create mode 100644 chapter19/src/test/java/com/seaofnodes/simple/progs/fcn3.smp create mode 100644 chapter19/src/test/java/com/seaofnodes/simple/progs/sieve.smp diff --git a/README.md b/README.md index 75d556f2..1f4366b2 100644 --- a/README.md +++ b/README.md @@ -56,4 +56,4 @@ The Simple language will be styled after a subset of C or Java * [Chapter 16](chapter16/README.md): Constructors * [Chapter 17](chapter17/README.md): Mutability & Syntax Sugar: `var`, `val`, `x+=y`, `for(init;test;next)body` * [Chapter 18](chapter18/README.md): Functions and calls. -* Chapter 19: Code gen to X86-64. +* [Chapter 19](chapter19/README.md): Instruction selection and portable compilation diff --git a/chapter01/README.md b/chapter01/README.md index 98fd7555..17e24ea0 100644 --- a/chapter01/README.md +++ b/chapter01/README.md @@ -1,5 +1,24 @@ # Chapter 1: Introduction +# Table of Contents + +1. [Implementation Language](#implementation-language) +2. [Assumptions](#assumptions) +3. [Architecture](#architecture) +4. [Data Structures](#data-structures) +5. [Intermediate Representation as a Graph of Nodes](#intermediate-representation-as-a-graph-of-nodes) +6. [Nodes are in a Graph](#nodes-are-in-a-graph) +7. [Types of Nodes](#types-of-nodes) +8. [Unique Node ID](#unique-node-id) +9. [Start Node](#start-node) +10. [Constant Node](#constant-node) +11. [Return Node](#return-node) +12. [Representation](#representation) + + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter01) in a linear Git revision history on the [linear](https://github.com/SeaOfNodes/Simple/tree/linear) branch. + + In this chapter we aim to compile simple scripts such as: ``` @@ -14,7 +33,6 @@ To implement this simple language, we introduce a few key components and data st Here is the [complete language grammar](docs/01-grammar.md) for this chapter. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter01) in a linear Git revision history on the [linear](https://github.com/SeaOfNodes/Simple/tree/linear) branch. ## Implementation Language @@ -38,6 +56,8 @@ Our data structures are based upon the descriptions provided in following papers * [Combining Analyses, Combining Optimizations](https://dl.acm.org/doi/pdf/10.1145/201059.201061) * [A Simple Graph-Based Intermediate Representation](https://www.oracle.com/technetwork/java/javase/tech/c2-ir95-150110.pdf) * [Global Code Motion Global Value Numbering](https://courses.cs.washington.edu/courses/cse501/06wi/reading/click-pldi95.pdf) +* [EasySSA](https://www.dropbox.com/scl/fi/0ww4sgl3ynep9hhe3i4xn/EasySSA.pdf?rlkey=2cp78hzxke62flkmyneiebzoz&dl=0) +* [SeaOfNodes](https://www.dropbox.com/scl/fi/cxykfvlzsmlcatyg6rlbt/SeaOfNodes.pdf?rlkey=z6o7y3rwr6atrejilcze6r8x0&e=1&dl=0) Following the lead from above, we represent our intermediate representation using an object oriented data model. Details of the representation follow. diff --git a/chapter02/README.md b/chapter02/README.md index 04e34eb9..444664dd 100644 --- a/chapter02/README.md +++ b/chapter02/README.md @@ -1,5 +1,18 @@ # Chapter 2: Arithmetic + +# Table of Contents + +1. [Extensions to Intermediate Representation](#extensions-to-intermediate-representation) +2. [Peephole Optimizations](#peephole-optimizations) +3. [Constant Folding and Constant Propagation](#constant-folding-and-constant-propagation) +4. [Nodes Pre Peephole Optimization](#nodes-pre-peephole-optimization) +5. [Post-peephole](#post-peephole) +6. [Demonstration](#demonstration) + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter02) 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-chapter01...linear-chapter02) it to the previous chapter. + + In this chapter we extend the language grammar to include arithmetic operations such as addition, subtraction, multiplication, division, and unary minus. This allows us to write statements such as: @@ -9,8 +22,6 @@ return 1 + 2 * 3 + -5; Here is the [complete language grammar](docs/02-grammar.md) for this chapter. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter02) 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-chapter01...linear-chapter02) it to the previous chapter. - ## Extensions to Intermediate Representation In [Chapter 1](../chapter01/README.md) we introduced following nodes. diff --git a/chapter03/README.md b/chapter03/README.md index 3c5d7c3e..35075e7e 100644 --- a/chapter03/README.md +++ b/chapter03/README.md @@ -1,5 +1,16 @@ # Chapter 3: Variable Declarations +# Table of Contents + +1. [Extensions to Intermediate Representation](#extensions-to-intermediate-representation) +2. [Symbol Tables](#symbol-tables) +3. [ScopeNode](#scopenode) +4. [Demonstration](#demonstration) +5. [Identification of Basic Blocks in SoN graph](#identification-of-basic-blocks-in-son-graph) +6. [Enabling peephole optimizations](#enabling-peephole-optimizations) + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter03) 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-chapter02...linear-chapter03) it to the previous chapter. + In this chapter we extend the language grammar to allow variable declarations. This allows us to write: ``` @@ -15,7 +26,6 @@ return c; Here is the [complete language grammar](docs/03-grammar.md) for this chapter. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter03) 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-chapter02...linear-chapter03) it to the previous chapter. ## Extensions to Intermediate Representation diff --git a/chapter04/README.md b/chapter04/README.md index 1b14bf0a..a7b223b4 100644 --- a/chapter04/README.md +++ b/chapter04/README.md @@ -1,5 +1,23 @@ # Chapter 4: External Argument and Comparisons +# Table of Contents + +1. [Extensions to Intermediate Representation](#extensions-to-intermediate-representation) +2. [Projection Nodes](#projection-nodes) +3. [Visualisation](#visualisation) +5. [Initial values](#initial-values) +6. [When Is Control Not-Null?](#when-is-control-not-null) +5. [Note Regarding Visualizations](#note-regarding-visualizations) +6. [Changes to Type System](#changes-to-type-system) +7. [Tuple Types](#tuple-types) +8. [$ctrl name binding](#ctrl-name-binding) +9. [More Peephole Optimizations](#more-peephole-optimizations) +10. [Peephole Walkthrough](#peephole-walkthrough) +11. [Dead Code Elimination(DCE)](#dead-code-eliminationdce) + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter04) 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-chapter03...linear-chapter04) it to the previous chapter. + + In this chapter we extend the language grammar with following features: * The program receives a single argument named `arg` of integer type from external environment. @@ -10,7 +28,7 @@ In this chapter we extend the language grammar with following features: Here is the [complete language grammar](docs/04-grammar.md) for this chapter. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter04) 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-chapter03...linear-chapter04) it to the previous chapter. + ## Extensions to Intermediate Representation diff --git a/chapter05/README.md b/chapter05/README.md index d79026d5..88bacbfc 100644 --- a/chapter05/README.md +++ b/chapter05/README.md @@ -1,5 +1,30 @@ # Chapter 5: If Statement, Phi, and Region +# Table of Contents + +1. [Recap](#recap) +2. [New Nodes](#new-nodes) +3. [`IfNode`](#ifnode) +4. [`PhiNode` ](#phinode) +5. [`RegionNode`](#regionnode) +6. [Pinned data nodes](#we-do-not-associate-a-control-edge-on-every-data-node-in-the-graph) +7. [`Stop` Nodes](#stop-nodes) +8. [Parsing an `if` Statement](#parsing-an-if-statement) +9. [Operations on ScopeNodes](#operations-on-scopenodes) +10. [Duplicating a ScopeNode](#duplicating-a-scopenode) +11. [Merging two ScopeNodes](#merging-two-scopenodes) +12. [Example 1](#example-1) +13. [Before Merging](#before-merging) +14. [After Merging](#after-merging) +15. [Finally](#finally) +16. [Example 2](#example-2) +17. [Example 3](#example-3) +18. [Example 3](#example-3) +19. [More Examples](#more-examples) + + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter05) 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-chapter04...linear-chapter05) it to the previous chapter. + In this chapter we extend the language grammar with the following features: * We introduce the `if` statement. @@ -8,8 +33,6 @@ In this chapter we extend the language grammar with the following features: Here is the [complete language grammar](docs/05-grammar.md) for this chapter. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter05) 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-chapter04...linear-chapter05) it to the previous chapter. - ## Recap Here is a recap of the nodes introduced in previous chapters: diff --git a/chapter06/README.md b/chapter06/README.md index a0edcf72..3442b1cc 100644 --- a/chapter06/README.md +++ b/chapter06/README.md @@ -1,9 +1,19 @@ # Chapter 6: Peepholes for If -In this chapter we do not add new language features. Our goal is to add peephole optimization to `if` statements. +# Table of Contents + +1. [Type System Revision](#type-system-revision) +2. [Peephole of `if`](#peephole-of-if) +3. [`Region` and `Phi`](#Region-and-Phi) +4. [Discussion](#discussion) +5. [Expanding Peephole Beyond Constant Expressions](#expanding-peephole-beyond-constant-expressions) +6. [Dominators](#dominators) You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter06) 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-chapter05...linear-chapter06) it to the previous chapter. +In this chapter we do not add new language features. Our goal is to add peephole optimization to `if` statements. + + ## Type System Revision We now need to extend the type system to introduce another lattice structure, in addition to the Integer sub-lattice. diff --git a/chapter07/README.md b/chapter07/README.md index 020b9b77..29f08b5f 100644 --- a/chapter07/README.md +++ b/chapter07/README.md @@ -1,10 +1,21 @@ # Chapter 7: While Statement +# Table of Contents + +1. [Dealing With Back Edges](#dealing-with-back-edges) +2. [New Node Types](#new-node-types) +3. [Detailed Steps](#detailed-steps) +4. [Visualization](#visualization) +5. [Nested Loops](#nested-loops) +5. [Loop With Nested If](#loop-with-nested-if) + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter07) 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-chapter06...linear-chapter07) it to the previous chapter. + + In this chapter we introduce the `while` statement. Here is the [complete language grammar](docs/07-grammar.md) for this chapter. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter07) 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-chapter06...linear-chapter07) it to the previous chapter. ## Dealing With Back Edges diff --git a/chapter08/README.md b/chapter08/README.md index 5c359b1b..6761d16d 100644 --- a/chapter08/README.md +++ b/chapter08/README.md @@ -1,5 +1,22 @@ # Chapter 8: Lazy Phis, Break, Continue, and Evaluator +# Table of Contents + +1. [Lazy Phi Creation](#lazy-phi-creation) +2. [Continue statement](#continue-statement) +3. [Break statement](#break-statement) +4. [Parser Considerations ](#parser-considerations) +5. [Identification of Basic Blocks in SoN graph](#identification-of-basic-blocks-in-son-graph) +6. [Examples](#examples) + -[Example 1](#example-1) + -[Example 2](#example-2) + -[Example 3](#example-3) + +7. [Sea of Nodes Graph Evaluator](#sea-of-nodes-graph-evaluator) + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter08) 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-chapter07...linear-chapter08) it to the previous chapter. + + In this chapter: * We move from eager to lazy `Phi` creation in loops. @@ -8,7 +25,6 @@ In this chapter: Here is the [complete language grammar](docs/08-grammar.md) for this chapter. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter08) 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-chapter07...linear-chapter08) it to the previous chapter. ## Lazy Phi Creation diff --git a/chapter09/README.md b/chapter09/README.md index 5a04c7f8..2ea99ac0 100644 --- a/chapter09/README.md +++ b/chapter09/README.md @@ -1,5 +1,20 @@ # Chapter 9: Global Value Numbering and Iterative Peepholes +# Table of Contents + +1. [Engineering Peepholes](#engineering-peepholes) +2. [Global Value Numbering](#global-value-numbering) +3. [Post-Parse Iterative Peepholes](#post-parse-iterative-peepholes) +4. [Distant Neighbors](#distant-neighbors) +5. [Identification of Basic Blocks in SoN graph](#identification-of-basic-blocks-in-son-graph) +6. [Other Concerns](#other-concerns) +7. [Common SubExpressions via GVN](#common-subexpressions-via-gvn) + - [Example 1](#example-1) + - [Example 2](#example-2) +8. [Post Parse Iterative Optimizations](#post-parse-iterative-optimizations) + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter09) 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-chapter08...linear-chapter09) it to the previous chapter. + In this chapter: * We add Global Value Numbering (Common Subexpression Elimination) @@ -7,7 +22,6 @@ In this chapter: No language changes in this chapter, just adding optimizations. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter09) 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-chapter08...linear-chapter09) it to the previous chapter. ## Engineering Peepholes diff --git a/chapter10/README.md b/chapter10/README.md index 957be607..88f0016a 100644 --- a/chapter10/README.md +++ b/chapter10/README.md @@ -1,5 +1,20 @@ # Chapter 10: Structs and Memory + +# Table of Contents + +1. [Memory](#memory) +2. [Alias Classes](#alias-classes) +3. [Implementation of Alias Classes](#implementation-of-alias-classes) +4. [Extensions to Intermediate Representation ](#extensions-to-intermediate-representation) +5. [Enhanced Type Lattice](#enhanced-type-lattice) +6. [Parser Enhancements](#parser-enhancements) +7. [Null Pointer Analysis](#null-pointer-analysis) +8. [Memory Operations Example](#memory-operations-example) +9. [Additional Peephole Optimizations](#additional-peephole-optimizations) + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter10) 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-chapter09...linear-chapter10) it to the previous chapter. + In this chapter: * We add user defined struct types in the Simple language. @@ -8,7 +23,6 @@ In this chapter: Here is the [complete language grammar](docs/10-grammar.md) for this chapter. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter10) 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-chapter09...linear-chapter10) it to the previous chapter. ## Memory diff --git a/chapter11/README.md b/chapter11/README.md index 7c84e083..2a1c3903 100644 --- a/chapter11/README.md +++ b/chapter11/README.md @@ -1,5 +1,24 @@ # Chapter 11: Global Code Motion +# Table of Contents + +1. [High Level Overview](#high-level-overview) +2. [Scheduling Walk Through](#scheduling-walk-through) +3. [Scheduling a Loop](#scheduling-a-loop) +4. [Components of the Global Code Motion Algorithm ](#components-of-the-global-code-motion-algorithm) +5. [Identification of Basic Blocks in SoN graph](#identification-of-basic-blocks-in-son-graph) +6. [Handling Infinite Loops](#handling-infinite-loops) +7. [Dominators](#dominators) +8. [Loop depth](#loop-depth) +9. [Early Schedule](#early-schedule) +10. [Late Schedule](#late-schedule) +11. [Inserting Anti Dependencies](#inserting-anti-dependencies) +12. [Video Walk Through](#video-walk-through) + + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter11) 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-chapter10...linear-chapter11) it to the previous chapter. + + The original input source program defines a sequence in which things happen. As we parse the program into Sea of Nodes representation and perform various optimizations, this sequence is not fully maintained. The optimized Sea of Nodes graph is driven more by dependencies between nodes rather that the sequence of instructions in the original source program. @@ -16,8 +35,6 @@ differences compared to the version described in the paper. Since this is a complex topic, we will present a high level summary first and then delve into the details. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter11) 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-chapter10...linear-chapter11) it to the previous chapter. - ## High Level Overview The Sea of Nodes graph has two virtual graphs within it. diff --git a/chapter12/README.md b/chapter12/README.md index 53866440..38a6eed8 100644 --- a/chapter12/README.md +++ b/chapter12/README.md @@ -1,5 +1,9 @@ # Chapter 12: Floats +# Table of Contents + +1. [Float](#floats) + In this chapter, we add a floating point type and values. You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter12) 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-chapter11...linear-chapter12) it to the previous chapter. diff --git a/chapter13/README.md b/chapter13/README.md index 5d3979ad..7feaba53 100644 --- a/chapter13/README.md +++ b/chapter13/README.md @@ -1,5 +1,13 @@ # Chapter 13: References +# Table of Contents + +1. [References](#references) + - [Forward References](#forward-references) + - [Self-referential references](#self-referential-references) + - [Auto deepen forward ref types](#auto-deepen-forward-ref-types) +2. [Global Code Motion Example](#global-code-motion-walkthrough) + In this chapter, we add references and structs. You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter13) 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-chapter12...linear-chapter13) it to the previous chapter. @@ -9,22 +17,171 @@ You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linea Structs can reference other structs; references can be mutually recursive. Any reference field can allow null or not, same as a normal variable. + +### Forward References +A forward reference occurs when a type or identifier is used before its full definition is +encountered by the compiler. (incomplete types, mutual references). +When forward-reference types are encountered, the compiler may initially treat them as placeholders or "shallow" representations. + + +Consider the following code: ```java struct Person { - String name; // No string type, yet +String name; // No string type, yet +int age; +FamilyTree? tree; // A family tree, or not +} +... +``` +At the time of the `Person` struct definition, the `FamilyTree` struct is not yet defined. This is a forward reference. To handle this, we assume the struct will be defined later. +```java +Type t = TYPES.get(tname); + // Assume a forward-reference type + if( t == null ) { + int old2 = _lexer._position; + String id = _lexer.matchId(); + if( id==null ) { + _lexer._position = old; + return null; + } + TYPES.put(tname,t = TypeStruct.make(tname)); // Assume forward ref + _lexer._position = old2; + } +``` +Reference fields start out as null, doing anything with them will result in a compile time error. + +```java +struct Person { + String name; int age; - FamilyTree tree?; // A family tree, or not + FamilyTree? tree; +} +Person p = new Person; +p.tree.la = null; // Accessing unknown field 'la' from 'null' + +``` + +It turns out `p.tree` is `null`, so we can't access the field `la` from it. +```java +// name = "tree" +// memAlias(alias) = StoreNode +// in(3) = {ConstantNode@1651} "null" +return parsePostfix(new LoadNode(name, alias, declaredType.glb(), memAlias(alias), expr).peephole()); +``` +`LoadNode::idealize` +In LoadNode idealize we return st.val(). +```java + // Simple Load-after-Store on same address. + if( mem() instanceof StoreNode st && + ptr() == st.ptr() ) { // Must check same object + assert _name.equals(st._name); // Equiv class aliasing is perfect + return st.val(); // // <<-- {ConstantNode@1651} "null" + } +``` +`mem(): ` refers to `memAlias(alias)`. Therefore, in the next iteration, we will end up with: + +```java +... +// expr {ConstantNode@1651} "null" +// ptr = expr._type +// ptr = TypeMemPtr@1510 "null" +// ptr._obj._name = $TOP +TypeStruct base = (TypeStruct)TYPES.get(ptr._obj._name); +int idx = base==null ? -1 : base.find(name); // <<-- null +if( idx == -1 ) { + throw error("Accessing unknown field '" + name + "' from '" + ptr.str() + "'"); // throws here!!! } -struct FamilyTree { - Person father?; // FamilyTree can reference Person - Person mother?; - Person []kids?; +``` +When we are creating the struct, we set up the initial value to Null: + +`newStruct`: +```java +private Node newStruct(TypeStruct obj) { + Node n = new NewNode(TypeMemPtr.make(obj), ctrl()).peephole().keep(); + int alias = START._aliasStarts.get(obj._name); + for( Field field : obj._fields ) { + memAlias(alias, new StoreNode(field._fname, alias, field._type, ctrl(), memAlias(alias), n, new ConstantNode(field._type.makeInit()).peephole(),true).peephole()); + alias++; + } + return n.unkeep(); } ``` +Zooming in.... + +```java +// parsing = FamilyTree? tree; +for( Field field : obj._fields ) { + // field._type = *FamilyTree? + // REMEMBER: + // @Override public TypeMemPtr makeInit() { return NULLPTR; } + memAlias(..., new ConstantNode(field._type.makeInit()).peephole(),true).peephole()); + alias++; +} +``` +In a case of a reference `field._type.makeInit()` will return a `NULLPTR`, later this is what the peephole turns into when loading +the field. `p.tree` + +--- + +```java +struct N { N next; int i; } +N n = new N; +return n.next; // Value reports as null, despite field typed as not-null +``` + +As shown above, we explicitly allow not-null fields to be null initialized. +(as of chapter13) +We can't allow null to be stored into a not-null field, but we can allow a not-null field to be null(initially). + + +### Self-referential references +Self-cyclic or self-referential types are types that include a reference to themsleves as part of their defintion. + +Consider the following code: +```java +struct N { N next; int i; } +N n = new N; +n.next = null; // <<-- Compile error, cannot store null into not-null field +return n.next; +``` +The field `next` is of type `N`, which is the same type as the structure `N` itself. +This creates a circular reference. To resolve this, we auto deepen the forward ref type. + + +#### Auto deepen forward ref types +Auto deepening refers to the process where the compiler expands the forward reference into its complete definition. + +When `a.next` is encountered, we auto deepen the type so its fields are going to be set. + +This is needed to resolve the stale type that the loop brings around. + +```java +if( e instanceof TypeMemPtr tmp && tmp._obj._fields==null ) { + e = tmp.make_from((TypeStruct) TYPES.get(tmp._obj._name)); +} +``` + +```java +struct LLI { LLI? next; int i; } +LLI? head = null; +while( arg ) { + LLI x = new LLI; + x.next = head; + x.i = arg; + head = x; + arg = arg-1; +} +if( !head ) return 0; +LLI? next = head.next; +if( next==null ) return 1; +return next.i; +``` + +--- Normal field syntax works: -e.g. `person.tree.father = new Person;` or - `person.tree.father.name = "Dad";`. +e.g. `person.tree.father = new Person;` or +`person.tree.father.name = "Dad";`. Reference fields all start out null, and can be tested as such. However, a non-null reference field can only be stored with a non-null ref. @@ -32,7 +189,7 @@ non-null reference field can only be stored with a non-null ref. ```java struct N { N next; int i; } N n = new N; -return n.next; // Value reports as null, despite field typed as not-null +return n.next.i; // Value reports as null, despite field typed as not-null ``` And: @@ -43,3 +200,59 @@ N n = new N; n.next = null; // <<-- Compile error, cannot store null into not-null field return n.next; ``` + +Forward references must be specified later and field access is later checked. + +## Global Code Motion walkthrough +Now that we have all these new features covered consider the following example: + +```java +struct Person { + String name; + int age; + FamilyTree? tree; +} +Person p = new Person; +p.age =1; +return p.age; +``` +Reverse post order: Traverse nodes before their children. (Opposite of post order). +Loop through the post order list from the end to the beginning. + +RPO = `[StartNode, CProjNode("ctrl"), ReturnNode("return 1"), StopNode("return 1"), XctrlNode("Xctrl")]` -> all the control nodes. + +Remember, with constants we want to schedule them to the deepest basic block. +For example a constant node will have StartNode as its in(0) but we can find a better replacement. +Early schedule: + +Does not change anything here: + +#### Early schedule: +``` +From: Start to: Start|#1(18) +From: Start to: Start|#null(12) +From: $ctrl to: $ctrl|.name=(13) +From: $ctrl to: $ctrl|.age=(19) +From: $ctrl to: $ctrl|.tree=(17) +``` +The control nodes are already set so the early schedule is useless. +All the nodes involed: Return, Constant, NewNode specific their control input explicitly so there is nothing to do. + +#### Late schedule: +``` +From: Start to: $ctrl(12) +From: Start to: $ctrl(18) +``` +We see that the late schedule actually changes the control input of the StartNode to the $ctrl node in 2 cases. +The algo that does this is: +```java + // Walk up from the LCA to the early, looking for best place. This is +// the lowest execution frequency, approximated by least loop depth and +// deepest control flow. +CFGNode best = lca; +lca = lca.idom(); // Already found best for starting LCA +for( ; lca != early.idom(); lca = lca.idom() ) + if( better(lca,best) ) + best = lca; +assert !(best instanceof IfNode); +``` \ No newline at end of file diff --git a/chapter14/README.md b/chapter14/README.md index a08499d1..496cbb8c 100644 --- a/chapter14/README.md +++ b/chapter14/README.md @@ -1,11 +1,25 @@ # Chapter 14: Narrow types +# Table of Contents + +1. [Narrow Word Types](#narrow-or-sub-word-types) +2. [OverFlow handling](#overflow-handling) +3. [Integer ranges](#integer-ranges) +4. [Bitwise operations](#examples) +5. [Precedence](#precedence) +6. [Type lattice](#type-implementation) +7. [Nodes](#nodes) + + In this chapter, we add sub-word integer types. You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter14) 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-chapter13...linear-chapter14) it to the previous chapter. ## Narrow or sub-word types +Narrow or sub-worded integer types refer to integer data types that occupy less memory (fewer bits) than the standard or "full-width"(Typically 32, or 64 bits) integer types provided by a system or programming language. + + As a prelude to arrays, especially arrays of bytes common in all networking codes, Simple needs some way to manipulate sub-word integer types. Computations are always done in 64 bits for both integer and float ops, but @@ -49,19 +63,242 @@ Similarly, floats can be limited to IEEE754 32-bit standard format and will be rounded when assigned, and inflated to 64-bits when loaded. The complete list of primitive types is now: + +| Data Type | Size (Bits) | Description | +|-----------|-------------|--------------------------------------------------------------| +| `int`, `i64` | 64 | 64-bit signed integer, matching modern hardware. | +| `u64` | 64 | **Not implemented**, hints at behavior beyond 64-bit. | +| `i32` | 32 | 32-bit signed integer, sign-extended on load. | +| `u32` | 32 | 32-bit unsigned integer, zero-extended on load. | +| `i16` | 16 | 16-bit signed integer, sign-extended on load. | +| `u16` | 16 | 16-bit unsigned integer, zero-extended on load. | +| `i8` | 8 | 8-bit signed integer, sign-extended on load. | +| `u8` | 8 | 8-bit unsigned integer, zero-extended on load. | +| `i1` | 1 | 1-bit signed integer, sign-extended on load. | +| `u1` | 1 | 1-bit unsigned integer, zero-extended on load. | +| `bool` | 1 | Alias for `u1`. | +| `flt`, `f64`| 64 | IEEE 754 64-bit floating-point number, often called a double. | +| `f32` | 32 | IEEE 754 32-bit floating-point number. | + +## Overflow handling + +An integer overflow occurs when you attempt to store inside an integer variable a value that is larger than the maximum value the variable can hold. +There are several cases of overflow: + +#### Unsigned(fixed-width) integer overflow: + +```java +u8 a = 255; +u8 b = a + 1; // match u8 type against expr.type +// a = 256 +// u8 = [0...255] +return b; +``` +The expression type does not match the type that was provided. expr: ConstantNode(256) t: u8(0, 255) +```java +private Node parseExpressionStatement() { + Type t = type(); // u8 = [0...255] + ... + // expr.type = TypeInteger(256); + // Auto-narrow wide ints to narrow ints + expr = zsMask(expr,t); +} +``` +Since it is unsigned we just do a bitmask on the new value that overflows the specified type: +The operands to the "bitwise AND" are the values(256) and the mask(255, max boundary). +This is called truncating. + +`ZsMask:` +```java + // zero/sign extend. "i" is limited to either classic unsigned (min==0) or + // classic signed (min=minus-power-of-2); max=power-of-2-minus-1. +private Node zsMask(Node val, Type t ) { + if( !(val._type instanceof TypeInteger tval && t instanceof TypeInteger t0 && !tval.isa(t0)) ) { + if( !(val._type instanceof TypeFloat tval && t instanceof TypeFloat t0 && !tval.isa(t0)) ) + return val; + // Float rounding + return new RoundF32Node(val).peephole(); + } + if( t0._min==0 ) // Unsigned + return new AndNode(val,new ConstantNode(TypeInteger.constant(t0._max)).peephole()).peephole(); + // Signed extension + int shift = Long.numberOfLeadingZeros(t0._max)-1; + Node shf = new ConstantNode(TypeInteger.constant(shift)).peephole(); + if( shf._type==TypeInteger.ZERO ) + return val; + return new SarNode(new ShlNode(val,shf.keep()).peephole(),shf.unkeep()).peephole(); +} +``` + +The truncation is done by the `AndNode`: +```java +... +if( t0._min==0 ) // Unsigned + return new AndNode(val,con(t0._max)).peephole(); +``` +Since they are constants, after calling peephole it truns into`256 & 255` = 0; +Output: +``` +return 0; +``` + +#### Maximum integer overflow +```java +i64 a = 9223372036854775807; +i64 b = a + 1; +return b; +``` +When we are computing the addition, we make sure they don't overflow: + +`AddNode.overflow:` +```java +private static boolean overflow( long x, long y ) { + if( (x ^ y ) < 0 ) return false; // unequal signs, never overflow + return (x ^ (x + y)) < 0; // sum has unequal signs, so overflow +} +``` +`AddNode.compute` +```java +... +// Fold ranges like {0-1} + {2-3} into {2-4}. +if( !overflow(i1._min,i2._min) && + !overflow(i1._max,i2._max) ) + return TypeInteger.make(i1._min+i2._min,i1._max+i2._max); +``` +Here **x + y** overflows and becomes **negative**, x ^ negative = negative. Any negative number is less than 0, so it returns true. +If it **overflows** we just return the bottom type of TypeInteger. +``` + return TypeInteger.BOT; // [] +``` +However, in our case we are dealing with constants, so we just allow the overflow naturally here: ```java -int, i64 // 64-bits, matching modern hardware -// u64 // NOT implemented, as it hints at some kind of >64 bit behavior -i32, u32 // 32 bits, sign or zero extended on load -i16, u16 // 16 bits, sign or zero extended on load - i8, u8 // 8 bits, sign or zero extended on load - i1, u1 // 1 bit , sign or zero extended on load -bool // Same as u1 -flt, f64 // IEEE 754 64-bit float, sometimes called a "double" -f32 // IEEE 754 32-bit float +// i1: 9223372036854775807 +// i2: 1 +// i1 + i2 will overflow. +return TypeInteger.constant(i1.value()+i2.value()); // -9223372036854775808; ``` +#### Adding constant ranges +```java +u8 a = 12; +u8 b = 13; +u8 c = 124; +u8 d = a + b + c; +return d; +``` +if `is_con` is true, then generally we can state: `min = max`. +Such that: +```java +public static TypeInteger make(boolean is_con, long con) { + return make(is_con ? con : (con==0 ? Long.MAX_VALUE : Long.MIN_VALUE), + is_con ? con : (con==0 ? Long.MIN_VALUE : Long.MAX_VALUE)); +``` +- This results in: +```java +return make(con, con); +``` +`value()` is only called in constants, e.g `_min == _max;` invariants holds, then since +both `min_` and `max_` are equal, we can return either one. + +This is the same as regular additions: +```java +public long value() { assert isConstant(); return _min; } +``` + +#### Truncate(2) + +```java +u8 a = arg; // arg & 255 +u8 b = arg; // arg & 255(same as a) +u8 c = a + b; // (arg&255)*2, type = TypeInteger.BOT +return c; // (((arg&255)*2)&255), type = TypeInteger.U8 +``` + +Same as before, **arg** turns into **(arg&255)**, this node is then inserted into the **GVN** table and **b** retrieves this value. +The AddNode peephole will change them into `((arg&255)*2`, and put on extra mask +on the expression to keep it in the valid boundaries. + + +## Integer ranges +Link hacker's delight here. + +For range math, visit:[^1] +## Bitwise operations +We support the following bitwise operators: +And `&`, Or `|`, Xor `^`, Shift left `<<`, Shift right `>>`, Shift right zero `>>>` + +| Operator | Symbol | Description | +|--------------------------|---------|---------------------------------------------------------------------------------------------------------| +| **And** | `&` | Performs a bitwise AND operation. | +| **Or** | `\|` | Performs a bitwise OR (inclusive OR) operation. | +| **Xor** | `^` | Performs a bitwise XOR (exclusive OR) operation. | +| **Shift Left** | `<<` | Shifts bits to the left, filling with zeros. | +| **Shift Right** | `>>` | Shifts bits to the right, any vacated bit postions are filled by replicating the value of the sign bit. | +| **Unsigned Right Shift** | `>>>` | Shifts bits to the right, any vacated bit postions are always filled with zero | + +Note `>>>` is a logical shift and not an arithmetic shift. + +#### AndNode: + +##### lhs & -1 = lhs; +```java +// And of -1. We do not check for (-1&x) because this will already +// canonicalize to (x&-1) +if( t2.isConstant() && t2 instanceof TypeInteger i && i.value()==-1 ) +return lhs; + +``` + +#### OrNode: +##### lhs | 0 = lhs; +```java +// Or of 0. We do not check for (0|x) because this will already +// canonicalize to (x|0) +if( t2.isConstant() && t2 instanceof TypeInteger i && i.value()==0 ) +return lhs; + +``` + +#### Shift right +lhs >> 0 = lhs; +```java +// Sar of 0. +if( t2.isConstant() && t2 instanceof TypeInteger i && (i.value()&63)==0 ) + return lhs; +``` + +#### Shift left +lhs << 0 = lhs; +```java +// Shl of 0. +if( t2.isConstant() && t2 instanceof TypeInteger i && (i.value()&63)==0 ) + return lhs; + +``` +#### Unsigned right shift +lhs >>> 0 = lhs; +```java +// Shr of 0. +if( t2.isConstant() && t2 instanceof TypeInteger i && (i.value()&63)==0 ) +return lhs; +``` + +#### XorNode: +##### lhs ^ 0 = lhs; +```java +// Xor of 0. We do not check for (0^x) because this will already +// canonicalize to (x^0) +if( t2.isConstant() && t2 instanceof TypeInteger i && i.value()==0 ) + return lhs; + +``` +### precedence + +Bitwise operators have the lowest precedence, e.g +``` +arg + 123 & 3 = (arg + 123) & 3 +``` ## Type Implementation @@ -85,8 +322,18 @@ The TypeFloat class is also reworked ![Graph1](./docs/lattice.svg) +### meet: - +Meet of two ranges: +```java +@Override +public Type xmeet(Type other) { +// Invariant from caller: 'this' != 'other' and same class (TypeInteger) +TypeInteger i = (TypeInteger)other; // Contract +return make(Math.min(_min,i._min), Math.max(_max,i._max)); +} +``` +Combine all values that could possibly occur within either range. ## Nodes @@ -98,3 +345,6 @@ slightly different `idealize()` calls. +[^1]: Hacker's delight. + 4-2 Propagating Bounds through Add's and Subtract's + diff --git a/chapter15/README.md b/chapter15/README.md index 63305367..9de095d2 100644 --- a/chapter15/README.md +++ b/chapter15/README.md @@ -1,5 +1,15 @@ # Chapter 15: Arrays +# Table of Contents + +1. [Parser changes](#parser) +2. [TypeArray is TypeStruct](#type-array-is-typestruct) +4. [New Address Math](#new-address-math) +5. [Struct Layout](#struct-layout) +6. [Some Simple Address Math Peeps](#some-simple-address-math-peeps) +7. [Discussion](#discussion) + + At long last we introduce arrays! These require more complex addressing math, which in turn means we need to change how Loads and Stores do addressing - with true field *offsets* instead of field *names*. This means we also @@ -196,4 +206,4 @@ for( int i=0; i < ary#; i++ ) that would be entirely syntatic-sugar over the existing parser, but would really help make array looping syntax clearer. There are lots of options -here, which should really be the focus of another chapter! +here, which should really be the focus of another chapter! \ No newline at end of file diff --git a/chapter16/README.md b/chapter16/README.md index 1489d93d..a19c68db 100644 --- a/chapter16/README.md +++ b/chapter16/README.md @@ -1,5 +1,12 @@ # Chapter 16: Constructors and Final fields +# Table of Contents + +1. [Constructors](#constructors) +2. [Initialization code](#initialization-code) +3. [Final fields](#final-fields) +4. [Multiple Decls](#multiple-declarations-of-the-same-type) + In this chapter, we add constructors and final fields. You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter16) 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-chapter15...linear-chapter16) it to the previous chapter. @@ -41,8 +48,8 @@ allocation. They do not start with the default value, although the initialization can be to the default. ``` -struct Person { u8[] name; } -return new Person; // ERROR: not-null field 'name' not initalized +struct Person { u8[] name; }; +return new Person; // ERROR: 'Person' is not fully initialized, field 'name' needs to be set in a constructor ``` @@ -91,18 +98,18 @@ x = 3; // ERROR: cannot re-assign a final field ``` ``` -struct Person { u8[]? !name; } +struct Person { u8[]? !name; }; return new Person { name = null; }; // OK: final name is assigned ``` ``` -struct Point { int !x; int !y; int !z; } -return new Point { x=arg; y=z; z=x; } // ERROR: final field z used before initialized +struct Point { int !x; int !y; int !z; }; +return new Point { x=arg; y=z; z=x; }; // ERROR: 'Point' is not fully initialized, field 'y' needs to be set in a constructor ``` ``` -struct Point { int x; int y; int z; } // Fields not-final, default to 0 -return new Point { x=arg; y=z; z=x; } // Ok: x=arg, y=0, z=arg +struct Point { int x; int y; int z; }; // Fields not-final, default to 0 +return new Point { x=arg; y=z; z=x; }; // Ok: x=arg, y=0, z=arg ``` @@ -113,9 +120,9 @@ is commonly seen in other languages: ``` int x,y; // Two int variables declared -struct Point { int x,y,z; } // Three fields declared +struct Point { int x,y,z; }; // Three fields declared ``` ``` int !x=3,!y=5; // Two int variables declared, both are final and initialized -``` +``` \ No newline at end of file diff --git a/chapter17/README.md b/chapter17/README.md index d56ab7bb..331cdc3d 100644 --- a/chapter17/README.md +++ b/chapter17/README.md @@ -1,8 +1,15 @@ # Chapter 17: Syntax Sugar -In this chapter we introduce a number of convenient syntax sugars and mutability concepts. -You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter17) 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-chapter16...linear-chapter17) it to the previous chapter. +1. [Pre/Post-increment](#prepost-increment) +2. [Operator assignment](#operator-assignment) +3. [var/val](#var--val) + - [Example(1)](#example1) + - [Example(2)](#example2) +4. [Mutability](#mutability) +5. [Reference immutability](#reference-variables-with-an-initializer-are-deeply-immutable) +6. [Trinary](#trinary) +7. [For Loops](#for-loops) ## Pre/Post-increment @@ -35,7 +42,7 @@ which means `var` and `val` will not infer types like `u8` or `f32`, instead inferring `int` and `flt` respectively. Reference types will always infer as nullable, so e.g. -`var s = new S;` +`var s = new S;` infers as @@ -152,4 +159,4 @@ for( int i=0; idef` edges into the IR. - diff --git a/chapter19/Makefile b/chapter19/Makefile new file mode 100644 index 00000000..4c1e1f49 --- /dev/null +++ b/chapter19/Makefile @@ -0,0 +1,105 @@ +SHELL := /bin/bash +.DELETE_ON_ERROR: + + +# 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)) +test_cp := $(patsubst $(TST)/$(SIMPLE)/%.java,com.seaofnodes.simple.%,$(wildcard $(TST)/$(SIMPLE)/*Test.java)) +classes = $(main_classes) $(test_classes) +# All the libraries +libs = $(wildcard lib/*jar) +jars = $(subst $(space),$(SEP),$(libs)) + + +default_targets := $(main_classes) $(test_classes) +# Optionally add ctags to the default target if a reasonable one was found. +ifneq ($(CTAGS),) +default_targets += tags +endif + +default: $(default_targets) + +# Compile just the out-of-date files +$(main_classes): build/classes/main/%class: $(SRC)/%java + @echo "compiling " $@ " because " $? + @[ -d $(CLZDIR)/main ] || mkdir -p $(CLZDIR)/main + @javac $(JAVAC_ARGS) -cp "$(CLZDIR)/main$(SEP)$(jars)" -sourcepath $(SRC) -d $(CLZDIR)/main $(main_javas) + +$(test_classes): $(CLZDIR)/test/%class: $(TST)/%java $(main_classes) + @echo "compiling " $@ " because " $? + @[ -d $(CLZDIR)/test ] || mkdir -p $(CLZDIR)/test + @javac $(JAVAC_ARGS) -cp "$(CLZDIR)/test$(SEP)$(CLZDIR)/main$(SEP)$(jars)" -sourcepath $(TST) -d $(CLZDIR)/test $(test_javas) + +# Base launch line for JVM tests +JVM=nice java -ea -cp "build/classes/main${SEP}${jars}${SEP}$(CLZDIR)/test" + +tests: $(default_targets) + @echo "testing " $(test_cp) + @$(JVM) org.junit.runner.JUnitCore $(test_cp) + @$(JVM) org.junit.runner.JUnitCore com.seaofnodes.simple.FuzzerWrap + +fuzzer: $(default_targets) + @echo "fuzzing " $(test_cp) + @$(JVM) org.junit.runner.JUnitCore com.seaofnodes.simple.FuzzerWrap + + +# 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 --extra=+q --fields=+fksaiS $(SRC) $(TST) diff --git a/chapter19/README.md b/chapter19/README.md new file mode 100644 index 00000000..1e2074cf --- /dev/null +++ b/chapter19/README.md @@ -0,0 +1,93 @@ +Ch# Chapter 19: Instruction Selection and Portable Compilation + +You can also read [this chapter](https://github.com/SeaOfNodes/Simple/tree/linear-chapter19) 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-chapter18...linear-chapter19) it to the previous chapter. + + +## Portable Compilation + +A new abstract `Machine` class is added, one per unique CPU port. `Machine` +defines a name for the port, names for all registers, and how to generate +machine Nodes from *ideal* Nodes. `Machine` also allows generating *split* ops +and *jumps*, both used by the machine independent compiler parts during +code-gen. + +A new CallingConv enum is added, to allow picking between various calling conventions. + +## The Instruction Selection Phase + +A new *InstructionSelection* compile phase is added before *Global Code +Motion*. It is optional, but will replace the *ideal* Nodes with machine- +specific variants. Instruction selection is called with the target CPU name; +the porting code is looked up and used then. This allows the Java +implementation at least the ability to add CPU ports lazily. + + +## Machine Specific Nodes + +We add a notion of "machine specific" Nodes, which implement the `Mach` +interface. `Mach` nodes define incoming and outgoing registers for every +instruction, their bit encodings and user representations. Later we'll add +function unit information for a better local schedule. + + +## Clean up CodeGen compile driver + +More static globals move into the CodeGen object, which is passed around at all +the top level drivers. It's not passed into the Node constructors, hence not +into the idealize() calls, which remains the majority of cases needing a static +global. In short the compiler gets a lot more functional, and a big step +towards concurrent or multi-threaded compilation. + + + +## Registers and Register Masks + +`Machines` define registers as small dense integers. The Register Allocator +will use these numbers when allocating. The mappings from small integers to +machine registers is up to the porter, but there's usally an obvious +one-to-one. For the X86, RAX will be register 0, RCX register 1 and so on up +to the 16 GPRs. The XMM registers at 16 and go up to 32. Register numbers +must be unique; this is how the register allocator tracks them. + +A `RegMask` Register Mask class holds onto bitsets of allowed registers. Most +machine ops are limited to some subset of all registers, and the allowed sets +are written as a RegMask. Most RegMasks are immutable, e.g. the set of allowed +registers into a `Mul` operation, but the register allocator will make +extensive use of mutable register sets. + +Calling conventions dictate many fixed registers, and in practice tend to +really "bind up" the set of allowed registers. + + +## An X86_64_V2 port, with SystemV or Win64 calling conventions + +In the `node/cpus/x86_64_v2` directory is a `x86_64_v2.java` port to an X86 64 +V2. This port supports 16 64-bit GPRs, 32 XMM registers and the X86 flags. +There is a pattern matcher for matching X86 ops from idealized Simple +Sea-of-Nodes. Except for the addressing modes pattern matcher matches nearly +one-for-one X86 ops from ideal nodes. + +### Normal instruction selection + +The instSelect phase walks the ideal graph, and maintains a mapping +from ideal-to-machine ops. It does a greedy pattern match, first come first +match. Ops without any special behavior simply do the local lookup e.g. an +`Mul` exactly matches to an X86 `MulX86` directly. The RHS of most matches can +be an immediate constant, matching an immediate-flavored version (`MulIX86`). + +### Addressing Modes + +For many X86 operations, if one of the inputs is a `Load`, the X86 can use an +op-from-memory variant. There's a specific `address()` call in the X86 matcher +that looks for the various kinds of addressing modes and will build memory- +specific variations. These all need to be called out specifically, but with a +simple one-line match and one-line allocation of the memory version. + +### Compare vs Jmp + +In simple, a `BoolNode` produces a `0/1` value. On an X86 this is done with +the `Cmp/SetXX` opcode sequence. The X86 `Jxx` takes in `FLAGS` and not a +`0/1`, so the `Jxx` will skip the `SetXX` and directly use the `Cmp`. Using +the ideal `Bool` directly will require the `SetXX`. i.e. `return a==3` will +match to a `CmpX86 RAX,#3; SetEQ RAX; ret;` whereas a `if( a==3 )` will match +to a `CmpX86 RAX,#3; jeq;` \ No newline at end of file diff --git a/chapter19/docs/18-grammar.md b/chapter19/docs/18-grammar.md new file mode 100644 index 00000000..7b611fbf --- /dev/null +++ b/chapter19/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/chapter19/docs/Makefile b/chapter19/docs/Makefile new file mode 100644 index 00000000..12659b8f --- /dev/null +++ b/chapter19/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/chapter19/docs/d3-graphviz.js b/chapter19/docs/d3-graphviz.js new file mode 100644 index 00000000..7439ba65 --- /dev/null +++ b/chapter19/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 = 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+ 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/chapter19/docs/d3.v7.min.js b/chapter19/docs/d3.v7.min.js new file mode 100644 index 00000000..33bb8802 --- /dev/null +++ b/chapter19/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/chapter19/docs/lattice.gv b/chapter19/docs/lattice.gv new file mode 100644 index 00000000..8661082d --- /dev/null +++ b/chapter19/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/chapter19/docs/lattice.svg b/chapter19/docs/lattice.svg new file mode 100644 index 00000000..030f4826 --- /dev/null +++ b/chapter19/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/chapter19/docs/lattice2.gv b/chapter19/docs/lattice2.gv new file mode 100644 index 00000000..6aa37fa0 --- /dev/null +++ b/chapter19/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/chapter19/docs/lattice2.svg b/chapter19/docs/lattice2.svg new file mode 100644 index 00000000..857bca2d --- /dev/null +++ b/chapter19/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/chapter19/docs/webtcp.min.js b/chapter19/docs/webtcp.min.js new file mode 100644 index 00000000..bf23ee5a --- /dev/null +++ b/chapter19/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}; +this.ondata=function(){};this.onend=function(){};this.ontimeout=function(){};this.ondrain=function(){};this.onclose=function(){this.webtcp.sockets[sID].ready=!1;this.webtcp.sockets[sID].closed=!0};this.getSockOpts=function(){this.sockOpts._updating=!0;this.rpc("getSockOpts")};this.onSockOptsRcv=function(c){this.sockOpts=c;this.sockOpts._updating=!1}}Socket.prototype=new WebTCPIO;var JSON;JSON||(JSON={}); +(function(){function j(c,p){var q,t,n,x,i=k,e,l=p[c];l&&"object"==typeof l&&"function"==typeof l.toJSON&&(l=l.toJSON(c));"function"==typeof r&&(l=r.call(p,c,l));switch(typeof l){case "string":return g(l);case "number":return isFinite(l)?String(l):"null";case "boolean":case "null":return String(l);case "object":if(!l)return"null";k+=v;e=[];if("[object Array]"===Object.prototype.toString.apply(l)){x=l.length;for(q=0;qc?"0"+c:c}"use strict";"function"!=typeof Date.prototype.toJSON&&(Date.prototype.toJSON=function(){return isFinite(this.valueOf())?this.getUTCFullYear()+"-"+c(this.getUTCMonth()+1)+"-"+c(this.getUTCDate())+"T"+c(this.getUTCHours())+":"+c(this.getUTCMinutes())+":"+c(this.getUTCSeconds())+"Z":null},String.prototype.toJSON=Number.prototype.toJSON=Boolean.prototype.toJSON=function(){return this.valueOf()});var p=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, +n=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,k,v,D={"\b":"\\b","\t":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},r;"function"!=typeof JSON.stringify&&(JSON.stringify=function(c,g,p){var n;v=k="";if("number"==typeof p)for(n=0;n=a};c.countRTO=function(a){var b;return 100b;b++)d.push(String.fromCharCode(b));B=(r.lastIndex=0,d.join("").replace(r,function(a){return c[a]="\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4),""}),r.lastIndex=0,c)}a=a.replace(r,function(a){return B[a]})}return a};var q="websocket xdr-streaming xhr-streaming iframe-eventsource iframe-htmlfile xdr-polling xhr-polling iframe-xhr-polling jsonp-polling".split(" "); 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