From c4364363dbd969c9aa27aa7c43fbe6d40544501a Mon Sep 17 00:00:00 2001 From: Cliff Click Date: Sat, 24 Oct 2026 15:25:40 -0700 Subject: Rename escape analysis chapter to 27 --- chapter-escape/Makefile | 186 -- chapter-escape/README.ja.md | 17 - chapter-escape/README.md | 178 -- chapter-escape/docs/24-grammar.ja.md | 168 -- chapter-escape/docs/24-grammar.md | 168 -- chapter-escape/docs/Makefile | 12 - chapter-escape/docs/examples/A_helloWorld.smp | 3 - chapter-escape/docs/examples/BubbleSort.smp | 37 - chapter-escape/docs/font-awesome-4.7.0.zip | Bin 669808 -> 0 bytes chapter-escape/docs/ifg_trim.pdf | Bin 155190 -> 0 bytes chapter-escape/docs/lattice.gv | 203 -- chapter-escape/docs/lattice.svg | 691 ------ chapter-escape/docs/lattice2.gv | 85 - chapter-escape/docs/lattice2.svg | 260 -- chapter-escape/docs/pardoe.docx | Bin 22583 -> 0 bytes chapter-escape/docs/webtcp.min.js | 65 - chapter-escape/pom.xml | 46 - chapter-escape/simple.bat | 2 - chapter-escape/simple.sh | 2 - 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index e02c8096..00000000 --- a/chapter-escape/Makefile +++ /dev/null @@ -1,186 +0,0 @@ -# -# Makefile expects to run at the project root, and not nested inside anywhere -# -# cd $DESK/Simple/chapterXX; make -# -# -# first time only - this is the only thing that hits the Interwebs -# -# make lib -# -# any time you want to nuke everything from space: -# -# make clean tags -# -# run the tests -# -# make tests - -####################################################### -# -# Boilerplate because make syntax isn't the best -# - -# Use bash for recipes -SHELL := /bin/bash - -# Remove target on error (no broken leftover files) -.DELETE_ON_ERROR: - -# Keep partial builds but not partial recipes; keeping them speeds up the next `make` -.NOTINTERMEDIATE: - -# for printing variable values -# usage: make print-VARIABLE -# > VARIABLE = value_of_variable -print-% : ; @echo $* = $($*) - -# literal space -space := $() $() - -# Decide OS-specific questions -# jar-file seperator -ifeq ($(OS),Windows_NT) - SEP = ; -else - SEP = : -endif -# Find a reasonable ctags. -CTAGS = $(shell which ctags) -# Hack for MacOS: /usr/bin/ctags is unfriendly, so look for ctags from brew -ifeq ($(UNAME),Darwin) - CTAGS = $(shell brew list ctags 2> /dev/null | grep bin/ctags) -endif - -# Fun Args to javac. Mostly limit to java8 source definitions, and fairly -# aggressive lint warnings. -JAVAC_ARGS = -g - -# Source code -SIMPLE := com/seaofnodes/simple -SRC := src/main/java -TST := src/test/java -CLZDIR:= build/classes -main_javas := $(wildcard $(SRC)/$(SIMPLE)/*java $(SRC)/$(SIMPLE)/*/*java $(SRC)/$(SIMPLE)/node/cpus/*/*java) -test_javas := $(wildcard $(TST)/$(SIMPLE)/*java $(TST)/$(SIMPLE)/*/*java) -main_classes := $(patsubst $(SRC)/%java,$(CLZDIR)/main/%class,$(main_javas)) -include $(firstword $(wildcard ../graph/graph.mk graph/graph.mk)) -include $(firstword $(wildcard ../print/print.mk print/print.mk)) -include $(firstword $(wildcard ../isa/isa.mk isa/isa.mk)) -test_classes := $(patsubst $(TST)/%java,$(CLZDIR)/test/%class,$(test_javas)) -test_cp := $(patsubst $(TST)/$(SIMPLE)/%.java,com.seaofnodes.simple.%,$(wildcard $(TST)/$(SIMPLE)/*Test.java)) com.seaofnodes.simple.codegen.X86EncodingTest -classes = $(main_classes) $(test_classes) -# All the libraries -libs = $(wildcard lib/*jar) -jars = $(subst $(space),$(SEP),$(libs)) - - -default_targets := $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag -# Optionally add ctags to the default target if a reasonable one was found. -ifneq ($(CTAGS),) -default_targets += tags -endif - -default: $(default_targets) - -####################################################### -# Compile the chapter and shared viewer sources together - -$(CLZDIR)/main/.mtag: $(main_javas) Makefile - @[ -d $(CLZDIR)/main ] || mkdir -p $(CLZDIR)/main - @# This crap is really just "javac", but with a beautiful error message. - @# The very very long list of java files is suppressed and counted. - @# The required output "Note: blah blah deprecated blah" is suppressed. - $(file >.argsM.txt,$(main_javas)) - @if [ ! -z "$(main_javas)" ] ; then \ - echo "compiling main because " $< " and " `wc -w < .argsM.txt` " more files" ; \ - if ! javac $(JAVAC_ARGS) -cp "$(CLZDIR)/main$(SEP)$(jars)" -sourcepath $(SRC) -d $(CLZDIR)/main $(main_javas) >& .out.txt ; then \ - cat .out.txt ; \ - exit 1; \ - fi ; \ - rm -rf .out.txt ; \ - fi - @touch $(CLZDIR)/main/.mtag - @rm -f .argsM.txt - -$(main_classes): $(CLZDIR)/main/.mtag - - - -####################################################### - -OODT := $(isa_test_javas) -$(CLZDIR)/test/.ttag: $(test_classes) $(test_javas) $(isa_test_javas) $(CLZDIR)/main/.mtag - @[ -d $(CLZDIR)/test ] || mkdir -p $(CLZDIR)/test - $(file >.argsT.txt,$(OODT)) - @if [ ! -z "$(OODT)" ] ; then \ - echo "compiling test because " $< " and " `wc -w < .argsT.txt` " more files" ; \ - if ! javac $(JAVAC_ARGS) -cp "$(CLZDIR)/test$(SEP)$(CLZDIR)/main$(SEP)$(jars)" -sourcepath $(TST) -d $(CLZDIR)/test $(OODT) >& .out.txt ; then \ - cat .out.txt ; \ - exit 1; \ - fi ; \ - rm -rf .out.txt ; \ - fi - @touch $(CLZDIR)/test/.ttag - @rm -f .argsT.txt - -# Collect just the out-of-date files -$(test_classes): $(CLZDIR)/test/%class: $(TST)/%java - $(eval OODT += $$<) - -####################################################### -# Base launch line for JVM tests -JVM=nice java -ea -cp "$(CLZDIR)/main${SEP}${jars}${SEP}$(CLZDIR)/test" - - -tests: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag - @echo "testing " $(test_cp) - @[ -d build/objs ] || mkdir -p build/objs - @$(JVM) org.junit.runner.JUnitCore $(test_cp) - @$(JVM) org.junit.runner.JUnitCore com.seaofnodes.simple.FuzzerWrap - -fuzzer: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag - @echo "fuzzing " $(test_cp) - @$(JVM) org.junit.runner.JUnitCore com.seaofnodes.simple.FuzzerWrap - -# Build a Simple jar -release: build/release/simple.jar - -# Build a Simple jar -build/release/simple.jar: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag - @echo "jarring " $@ " because " $? - @[ -d $(dir $@) ] || mkdir -p $(dir $@) - @jar cf build/release/simple.jar -C $(CLZDIR)/main . -C $(CLZDIR)/test . -C $(SRC)/$(SIMPLE) . -C $(TST)/$(SIMPLE) . - - -.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) - -spill-stats: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag - @[ -d build/objs ] || mkdir -p build/objs - @$(JVM) com.seaofnodes.simple.SpillStats - -.PHONY: spill-stats - -.PHONY: build -build: $(CLZDIR)/main/.mtag diff --git a/chapter-escape/README.ja.md b/chapter-escape/README.ja.md deleted file mode 100644 index c496df4c..00000000 --- a/chapter-escape/README.ja.md +++ /dev/null @@ -1,17 +0,0 @@ -# エスケープ解析と未知の呼び出し元 - -[English](README.md) | 日本語 - -[前章: オブジェクトの構築と非公開メモリ](../chapter-construction/README.ja.md) | -[次: モジュールと遅延クラス初期化](../chapter-modules/README.ja.md) - -この章では、オブジェクトや関数のアドレスが、解析できない外部コードに届くかを追跡します。 -関数のアドレスを既知の関数に渡すだけでは、未知の呼び出し元を残す必要はありません。 -戻り値、メモリ内の参照、ネイティブ呼び出しを通じて公開される場合は、保守的な呼び出し元を残します。 - -メモリの型に関数とフィールド別名の集合を加え、Stop から Start への情報の循環を -SCCP のワークリストで解きます。再帰するコールバックの例では、呼び出しを残したまま -引数の定数を推論できます。構築中のフィールドは、前章と同じローカルな SSA 値です。 - -詳しい説明と実行例は [英語版](README.md) を参照してください。 -このディレクトリで `make lib tests CTAGS=` を実行できます。 diff --git a/chapter-escape/README.md b/chapter-escape/README.md deleted file mode 100644 index a1fda17b..00000000 --- a/chapter-escape/README.md +++ /dev/null @@ -1,178 +0,0 @@ -# Escape Analysis and Unknown Callers - -English | [日本語](README.ja.md) - -[Previous: Construction and Private Memory](../chapter-construction/README.md) | -[Next: Modules and Lazy Class Initialization](../chapter-modules/README.md) - - -We run a simple form of escape analysis in this chapter, tracking both -functions and some aliases across all calls and memory updates. One of the -goals here is to discover when we've found *all* the callers of a function; at -this point we can drop the conservative "unknown caller" input and run -constant propagation through a function's arguments. - -The preceding compiler kept an unknown caller for every surviving function -address. That was safe, but it lost facts even when all uses stayed within the -program. Escape analysis makes that boundary more precise. - -## A callback that stays within known code - -```simple -val run = { int n -> - val power = { int base, int exponent -> - if (exponent <= 0) return 1; - int smaller = power(base, exponent - 1); - return base * smaller; - }; - val sumPowers = { int n, {int int -> int} f -> - if (n <= 0) return 0; - return f(2,n) + sumPowers(n-1,f); - }; - return sumPowers(n,power); -}; -return run(arg); -``` - -For `arg == 3`, this computes `2 + 4 + 8 == 14`. Both functions are recursive; -their calls remain in the graph. In the prior chapters, the address passed as -`f` keeps an unknown caller for `power`, so `base` stays `i64`. - -Here the compiler follows the address through the arguments and recursive -calls. Neither function returns it, stores it where unknown code can find it, -nor passes it to an unknown callee. Every call to `power` is accounted for. -SCCP can then infer `base == 2`, including in its recursive body. The multiply -by 2 can become a shift without inlining or cloning either recursive body - and -we open ourselves up to further optimizations. - -Passing `power` to an unknown callee, or passing it to a native function, -changes the answer. The external caller may choose another base. The compiler -must retain `power` and give its parameters their declared bounds. - - -## Publishing an object and exposing it to unknown code - -The construction chapter's `EscapeNode` publishes initialized fields into -ordinary public memory. That alone does not expose the completed object to -unknown code; exposure depends on what happens to the `self` pointer. - -Escape analysis starts at the boundary with unknown code. Returning an object -across that boundary exposes its field aliases. An exposed field can contain -another object or a callback, so discovery continues through memory: - -```text -external result -> Wrap.child -> Holder.f -> callback -> unknown caller -``` - -The same rule applies to arguments passed to native code. Native code may keep -an address after the call returns, or use it on a path that never returns. -`Stop` therefore also collects exposure directly from reachable native calls. -A call to a known Simple function instead passes the values and memory to that -function's graph; SCCP follows those uses to determine what escapes. - -This is a conservative analysis by field alias. Two instances of the same -struct share their field aliases. Exposing one may therefore expose addresses -stored in the same fields of another. It does not identify each allocation -separately. - -Another way to think of this: this analysis is what we get "for free" from just -running SCCP. We extend and sharpen the lattice a little more, to allow more -precise tracking. - - -## Memory carries exposure sets - -`TypeMem` now carries two interned sets alongside its contents: - -* `_escFs`: function identities reachable through this memory. -* `_escAs`: field aliases reachable through this memory. - -`XInt`, already used for function sets, represents both. An empty set means no -address has been discovered; a full set is the conservative unknown case. -Meeting summaries unions the sets. Dual types complement them, so the existing -lattice operations and tests still apply. The `XInt` utilities operate directly -on shared, immutable `int[]` arrays; they add no wrapper object. Interning lets -these sets follow the same sharing rules as the rest of the Types. - -Stores record addresses carried by their values. Memory Phis combine those -facts over live paths. `MemMergeNode` gathers the slices whose aliases are -exposed, rather than making every locally stored callback externally callable. -If an exposed field reveals another alias, that slice participates as well. In -short, we follow escaping values through memory using the existing -`Node.compute` and `Type` machinery. - -The hidden constructor helpers still keep fields in local SSA values and use -ordinary Phis. Their private-memory arguments and results describe the object -being built; they are not external returns. Initializing Stores and -publication preserve the address facts when those fields enter ordinary memory. - - - -## Start and Stop close the cycle - -Start represents unknown callers. Stop collects what known code can expose to -them. The two form an analysis cycle: - -```text -Start -> callable functions -> returns and exposed memory -> Stop - ^ | - +---------------- newly exposed addresses ----------------+ -``` - -Before SCCP, parsing and pessimistic iteration keep conservative callers and -memory. During SCCP, functions other than the chosen entry points lose their -unknown-caller edges unless their function pointers escape. Concrete calls -rebuild the known call graph. - -Stop combines the results and memory visible to external callers. Those -callers already hold their object arguments, so writes through such arguments -also count. Start feeds the resulting alias set back into memory summaries. -If a function identity escapes, SCCP restores a Start edge and its conservative -parameter inputs. That function can reveal further addresses through its own -calls and returns. The ordinary worklist repeats until types, exposure sets, -and call edges agree - i.e. the normal SCCP reaches a fixed point. - -An explicit `main`, or one synthesized for a top-level return, starts discovery. -Without one, the code is treated as a library: ordinary named functions outside `sys` -seed the unknown entry points. Module privacy refines this rule in the next -chapter. - -Once SCCP finishes, you might have ordinary public functions callable from -anywhere, or functions called via their name (direct field load holding the -function pointer), or via a function pointer that's only used in a few locations, -or it might escape in a region and get mixed with other function pointers, or -you might never call a function at all. If a function is getting called, but -never from unknown code, its arguments can sharpen across the `meet` of all -call sites, perhaps proving an argument non-null and avoiding explicit tests. - -After optimization, `FinalizeIR` freezes the external summary from `Start/Stop` -and removes the `Stop->Start` edge SCCP uses to track escapes across external -calls. This summary says which functions need unknown callers; it does not -control ELF symbol visibility. The current ELF writer emits every retained -named function as a global symbol. - - -## Construction boundary to review - -The language still prevents a partially built object from escaping. Constructor -fields remain local values until helper exit. Exact local aliases of `self` -can access those values; passing `self` to ordinary code, storing it in an -object, or accessing fields through a merge that may choose another object -remains rejected in this snapshot. - -Discovering that a completed object stays private does not prove that an early -read of an uninitialized field is legal. These are separate checks. The runnable -construction and escape snapshots now make that border available for review. -Neither topic requires the other to be taught first. - -## Build and check - -From this directory, run `make lib tests CTAGS=`. From the repository root, run: - -```bash -make tests CHAPTERS=chapter-escape CTAGS= -``` - -`EscapeTest` checks the recursive callback, direct and indirect returned -addresses, and native exposure. The inherited construction, language, memory, -lattice, evaluator, and native/backend suites also run. diff --git a/chapter-escape/docs/24-grammar.ja.md b/chapter-escape/docs/24-grammar.ja.md deleted file mode 100644 index fd3fa232..00000000 --- a/chapter-escape/docs/24-grammar.ja.md +++ /dev/null @@ -1,168 +0,0 @@ -# 第24章の文法 - -[English](24-grammar.md) | 日本語 - -```antlrv4 -grammar SimpleLanguage; - -// Name lookup, assignable operands, type compatibility, and access permissions -// are checked by the compiler in addition to these syntax rules. -program : statement* EOF ; - -block : '{' statement* '}' ; - -statement - : block - | returnStatement - | ifStatement - | whileStatement - | forStatement - | breakStatement - | continueStatement - | structDeclaration - | declaration ';' - | assignment ';' - | ';' - ; - -returnStatement : 'return' assignment ';' ; -ifStatement : 'if' '(' assignment ')' statement ('else' statement)? ; -whileStatement : 'while' '(' assignment ')' statement ; -breakStatement : 'break' ';' ; -continueStatement : 'continue' ';' ; - -forStatement - : 'for' '(' (declaration | assignment)? ';' assignment? ';' assignment? ')' statement - ; - -structDeclaration : 'struct' IDENTIFIER '{' structMember* '}' ';' ; -structMember : methodDeclaration | statement ; - -// A method is an ordinary fixed function binding in a struct definition. -// The compiler supplies self; it is not written in parameterList. -// The general declaration rule also admits explicitly typed function fields. -methodDeclaration : 'val' bindingModifier? IDENTIFIER '=' functionExpression ';' ; - -declaration : declarationType binding (',' binding)* ; -declarationType : type | 'var' | 'val' ; -binding : bindingModifier? IDENTIFIER ('=' initializer)? ; -bindingModifier : '!' | '~' ; -// A declaration initializer consisting of the string "C" declares an extern -// symbol. Ordinary strings elsewhere are array-valued expressions. -initializer : assignment ; - -// The prefix qualifies the named struct reference, not an enclosing array. -// Each [] / [~] suffix qualifies its own array layer. ? requires a reference. -type - : functionType - | primitiveType typeSuffix* - | accessModifier? typeName typeSuffix* - ; -accessModifier : '!' | '~' ; -typeSuffix : '?' | '[]' | '[~]' ; -typeName : IDENTIFIER ('.' IDENTIFIER)* ; - -primitiveType - : 'int' | 'i8' | 'i16' | 'i32' | 'i64' - | 'u1' | 'u8' | 'u16' | 'u32' | 'byte' | 'bool' - | 'flt' | 'f32' | 'f64' - ; - -assignment : expression (assignmentOperator assignment)? ; -assignmentOperator - : '=' | '+=' | '-=' | '*=' | '/=' | '&=' | '|=' | '^=' - | '<<=' | '>>=' | '>>>=' - ; - -expression : logicalExpression ('?' assignment (':' assignment)?)? ; - -// Both logical operators short-circuit and associate to the right here. -logicalExpression : bitwiseExpression (('&&' | '||') logicalExpression)? ; - -bitwiseExpression - : equalityExpression (('&' | '|' | '^') equalityExpression)* - ; - -equalityExpression : comparisonExpression (('==' | '!=') comparisonExpression)* ; - -// Chained comparisons test adjacent operands and short-circuit. A chain must -// keep its direction; equality has lower precedence and does not join a chain. -comparisonExpression - : shiftExpression - ( (('<' | '<=') shiftExpression)+ | (('>' | '>=') shiftExpression)+ )? - ; - -shiftExpression - : additiveExpression (('<<' | '>>' | '>>>') additiveExpression)* - ; - -additiveExpression - : multiplicativeExpression (('+' | '-') multiplicativeExpression)* - ; - -multiplicativeExpression - : unaryExpression (('*' | '/') unaryExpression)* - ; - -unaryExpression - : ('-' | '!') unaryExpression - | updateOperator IDENTIFIER - | postfixExpression - ; - -// Prefix updates require a local name; postfix updates also allow fields -// and array elements. All updates require an assignable operand. -updateOperator : '++' | '--' ; -postfixExpression : primaryExpression postfixSuffix* updateOperator? ; -postfixSuffix : '.' IDENTIFIER | '[' assignment ']' | '#' | callSuffix | methodCallSuffix ; - -// For a fixed function-valued member, object.name(args) passes object as self. -// This overlaps ordinary field selection followed by a call syntactically; -// name/type resolution determines which call form applies. -methodCallSuffix : '.' IDENTIFIER callSuffix ; - -primaryExpression - : INTEGER_LITERAL - | FLOAT_LITERAL - | STRING_LITERAL - | CHARACTER_LITERAL - | 'true' - | 'false' - | 'null' - | IDENTIFIER - | '(' assignment ')' - | newExpression - | functionExpression - ; - -// A function is an expression bound with an ordinary declaration. -// Its last statement supplies the implicit result; return can exit earlier. -functionExpression : '{' parameterList? '->' statement* '}' ; -parameterList : (parameter ','?)+ ; -parameter : type bindingModifier? IDENTIFIER ; - -// Function types have unnamed, space-separated argument types. -// {int} is the zero-argument type; its function expression still uses ->. -functionType - : '{' type+ '->' type '}' '?'? - | '{' type '}' '?'? - ; - -callSuffix : '(' argumentList? ')' ; -argumentList : assignment (',' assignment)* ','? ; - -// Struct initialization uses a block; array allocation supplies a length. -newExpression : 'new' type ('[' assignment ']' | block)? ; - -INTEGER_LITERAL : '0' | [1-9] DIGIT* ; -FLOAT_LITERAL : DIGIT+ ('.' DIGIT* ('e' DIGIT+)? | 'e' '-'? DIGIT+) ; -STRING_LITERAL : '"' (ESCAPE | ~["\\])* '"' ; -CHARACTER_LITERAL : '\'' (ESCAPE | ~['\\]) '\'' ; -fragment ESCAPE : '\\' [0ntr\\'"] ; -IDENTIFIER : NON_DIGIT (NON_DIGIT | DIGIT)* ; -fragment NON_DIGIT : [a-zA-Z_] ; -fragment DIGIT : [0-9] ; -WHITESPACE : [ \t\r\n]+ -> skip ; -LINE_COMMENT : '//' ~[\r\n]* -> skip ; -BLOCK_COMMENT : '/*' .*? '*/' -> skip ; -``` diff --git a/chapter-escape/docs/24-grammar.md b/chapter-escape/docs/24-grammar.md deleted file mode 100644 index 22867355..00000000 --- a/chapter-escape/docs/24-grammar.md +++ /dev/null @@ -1,168 +0,0 @@ -# Grammar for Chapter 24 - -English | [日本語](24-grammar.ja.md) - -```antlrv4 -grammar SimpleLanguage; - -// Name lookup, assignable operands, type compatibility, and access permissions -// are checked by the compiler in addition to these syntax rules. -program : statement* EOF ; - -block : '{' statement* '}' ; - -statement - : block - | returnStatement - | ifStatement - | whileStatement - | forStatement - | breakStatement - | continueStatement - | structDeclaration - | declaration ';' - | assignment ';' - | ';' - ; - -returnStatement : 'return' assignment ';' ; -ifStatement : 'if' '(' assignment ')' statement ('else' statement)? ; -whileStatement : 'while' '(' assignment ')' statement ; -breakStatement : 'break' ';' ; -continueStatement : 'continue' ';' ; - -forStatement - : 'for' '(' (declaration | assignment)? ';' assignment? ';' assignment? ')' statement - ; - -structDeclaration : 'struct' IDENTIFIER '{' structMember* '}' ';' ; -structMember : methodDeclaration | statement ; - -// A method is an ordinary fixed function binding in a struct definition. -// The compiler supplies self; it is not written in parameterList. -// The general declaration rule also admits explicitly typed function fields. -methodDeclaration : 'val' bindingModifier? IDENTIFIER '=' functionExpression ';' ; - -declaration : declarationType binding (',' binding)* ; -declarationType : type | 'var' | 'val' ; -binding : bindingModifier? IDENTIFIER ('=' initializer)? ; -bindingModifier : '!' | '~' ; -// A declaration initializer consisting of the string "C" declares an extern -// symbol. Ordinary strings elsewhere are array-valued expressions. -initializer : assignment ; - -// The prefix qualifies the named struct reference, not an enclosing array. -// Each [] / [~] suffix qualifies its own array layer. ? requires a reference. -type - : functionType - | primitiveType typeSuffix* - | accessModifier? typeName typeSuffix* - ; -accessModifier : '!' | '~' ; -typeSuffix : '?' | '[]' | '[~]' ; -typeName : IDENTIFIER ('.' IDENTIFIER)* ; - -primitiveType - : 'int' | 'i8' | 'i16' | 'i32' | 'i64' - | 'u1' | 'u8' | 'u16' | 'u32' | 'byte' | 'bool' - | 'flt' | 'f32' | 'f64' - ; - -assignment : expression (assignmentOperator assignment)? ; -assignmentOperator - : '=' | '+=' | '-=' | '*=' | '/=' | '&=' | '|=' | '^=' - | '<<=' | '>>=' | '>>>=' - ; - -expression : logicalExpression ('?' assignment (':' assignment)?)? ; - -// Both logical operators short-circuit and associate to the right here. -logicalExpression : bitwiseExpression (('&&' | '||') logicalExpression)? ; - -bitwiseExpression - : equalityExpression (('&' | '|' | '^') equalityExpression)* - ; - -equalityExpression : comparisonExpression (('==' | '!=') comparisonExpression)* ; - -// Chained comparisons test adjacent operands and short-circuit. A chain must -// keep its direction; equality has lower precedence and does not join a chain. -comparisonExpression - : shiftExpression - ( (('<' | '<=') shiftExpression)+ | (('>' | '>=') shiftExpression)+ )? - ; - -shiftExpression - : additiveExpression (('<<' | '>>' | '>>>') additiveExpression)* - ; - -additiveExpression - : multiplicativeExpression (('+' | '-') multiplicativeExpression)* - ; - -multiplicativeExpression - : unaryExpression (('*' | '/') unaryExpression)* - ; - -unaryExpression - : ('-' | '!') unaryExpression - | updateOperator IDENTIFIER - | postfixExpression - ; - -// Prefix updates require a local name; postfix updates also allow fields -// and array elements. All updates require an assignable operand. -updateOperator : '++' | '--' ; -postfixExpression : primaryExpression postfixSuffix* updateOperator? ; -postfixSuffix : '.' IDENTIFIER | '[' assignment ']' | '#' | callSuffix | methodCallSuffix ; - -// For a fixed function-valued member, object.name(args) passes object as self. -// This overlaps ordinary field selection followed by a call syntactically; -// name/type resolution determines which call form applies. -methodCallSuffix : '.' IDENTIFIER callSuffix ; - -primaryExpression - : INTEGER_LITERAL - | FLOAT_LITERAL - | STRING_LITERAL - | CHARACTER_LITERAL - | 'true' - | 'false' - | 'null' - | IDENTIFIER - | '(' assignment ')' - | newExpression - | functionExpression - ; - -// A function is an expression bound with an ordinary declaration. -// Its last statement supplies the implicit result; return can exit earlier. -functionExpression : '{' parameterList? '->' statement* '}' ; -parameterList : (parameter ','?)+ ; -parameter : type bindingModifier? IDENTIFIER ; - -// Function types have unnamed, space-separated argument types. -// {int} is the zero-argument type; its function expression still uses ->. -functionType - : '{' type+ '->' type '}' '?'? - | '{' type '}' '?'? - ; - -callSuffix : '(' argumentList? ')' ; -argumentList : assignment (',' assignment)* ','? ; - -// Struct initialization uses a block; array allocation supplies a length. -newExpression : 'new' type ('[' assignment ']' | block)? ; - -INTEGER_LITERAL : '0' | [1-9] DIGIT* ; -FLOAT_LITERAL : DIGIT+ ('.' DIGIT* ('e' DIGIT+)? | 'e' '-'? DIGIT+) ; -STRING_LITERAL : '"' (ESCAPE | ~["\\])* '"' ; -CHARACTER_LITERAL : '\'' (ESCAPE | ~['\\]) '\'' ; -fragment ESCAPE : '\\' [0ntr\\'"] ; -IDENTIFIER : NON_DIGIT (NON_DIGIT | DIGIT)* ; -fragment NON_DIGIT : [a-zA-Z_] ; -fragment DIGIT : [0-9] ; -WHITESPACE : [ \t\r\n]+ -> skip ; -LINE_COMMENT : '//' ~[\r\n]* -> skip ; -BLOCK_COMMENT : '/*' .*? '*/' -> skip ; -``` diff --git a/chapter-escape/docs/Makefile b/chapter-escape/docs/Makefile deleted file mode 100644 index 12659b8f..00000000 --- a/chapter-escape/docs/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -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/chapter-escape/docs/examples/A_helloWorld.smp b/chapter-escape/docs/examples/A_helloWorld.smp deleted file mode 100644 index 07ff935f..00000000 --- a/chapter-escape/docs/examples/A_helloWorld.smp +++ /dev/null @@ -1,3 +0,0 @@ -// -*- mode: java; -*- -sys.io.p("Hello, World!"); -return 0; diff --git a/chapter-escape/docs/examples/BubbleSort.smp b/chapter-escape/docs/examples/BubbleSort.smp deleted file mode 100644 index 938e3181..00000000 --- a/chapter-escape/docs/examples/BubbleSort.smp +++ /dev/null @@ -1,37 +0,0 @@ -// -*- mode: java; -*- - -// An implementation of -// https://sampleprograms.io/projects/bubble-sort/ -// -// Bubble sort, with reading (parsing) and writing (formatting) the data. - -val sort = { !sys.aryi64 nums -> - var done = false; - while( !done ) { - done = true; - for( var i = 0; i < nums.len-1; i++ ) - if( nums.buf[i] > nums.buf[i+1] ) { - int tmp = nums.buf[i]; - nums.buf[i] = nums.buf[i+1]; - nums.buf[i+1] = tmp; // Swap - done = false; - } - } -}; - -// Read from stdin a line of the form "[ 4, 3, 2, 1]" and print it sorted. -val main = { -> - // Parse array of numbers from stdin - var nums = sys.parseAryI64( sys.io.stdin() ); - if( !nums ) { - sys.io.p("stdin must look like [4, 3, 2, 1]"); - return 1; - } - - // Bubble sort array of integers - sort(nums); - - // Print a list of numbers to stdout - nums.str().write(1); - return 0; -}; diff --git a/chapter-escape/docs/font-awesome-4.7.0.zip b/chapter-escape/docs/font-awesome-4.7.0.zip deleted file mode 100644 index b6bdb4bd..00000000 Binary files a/chapter-escape/docs/font-awesome-4.7.0.zip and /dev/null differ diff --git a/chapter-escape/docs/ifg_trim.pdf b/chapter-escape/docs/ifg_trim.pdf deleted file mode 100644 index d952fd4f..00000000 Binary files a/chapter-escape/docs/ifg_trim.pdf and /dev/null differ diff --git a/chapter-escape/docs/lattice.gv b/chapter-escape/docs/lattice.gv deleted file mode 100644 index 8661082d..00000000 --- a/chapter-escape/docs/lattice.gv +++ /dev/null @@ -1,203 +0,0 @@ -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/chapter-escape/docs/lattice.svg b/chapter-escape/docs/lattice.svg deleted file mode 100644 index e72b473b..00000000 --- a/chapter-escape/docs/lattice.svg +++ /dev/null @@ -1,691 +0,0 @@ - - - - - - -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/chapter-escape/docs/lattice2.gv b/chapter-escape/docs/lattice2.gv deleted file mode 100644 index 6aa37fa0..00000000 --- a/chapter-escape/docs/lattice2.gv +++ /dev/null @@ -1,85 +0,0 @@ -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/chapter-escape/docs/lattice2.svg b/chapter-escape/docs/lattice2.svg deleted file mode 100644 index 8b682aa7..00000000 --- a/chapter-escape/docs/lattice2.svg +++ /dev/null @@ -1,260 +0,0 @@ - - - - - - -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/chapter-escape/docs/pardoe.docx b/chapter-escape/docs/pardoe.docx deleted file mode 100644 index 24fde921..00000000 Binary files a/chapter-escape/docs/pardoe.docx and /dev/null differ diff --git a/chapter-escape/docs/webtcp.min.js b/chapter-escape/docs/webtcp.min.js deleted file mode 100644 index bf23ee5a..00000000 --- a/chapter-escape/docs/webtcp.min.js +++ /dev/null @@ -1,65 +0,0 @@ -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(" "); -c.probeProtocols=function(){for(var a={},b=0;b