'Expr expr expr' presentation slideshows

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??? ???????. ??? ?? wkchen@pchome.com.tw ??????. ???? ????? ????? ?????? B.N.F. ?? ???. ??????? ?? else ?? ??????????? ????? ????. ??. ????. ??? ?????????????? ? ?????? ASCII Code Set EBCDIC Code Set. ????. ASCII Code Set

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Een echte re stack-machine

PC. R0. SP. R1. MP. R2. R3. R4. Een echte re stack-machine. Memory Registers. Memory Program Stack Memory Registers Progr.counter Stack pointer Mark pointer. PC. R0. SP. R1. MP. R2. R3. R4. Instructies: load on stack. LDC Load from constant. LDC 17. 12. LDR R4.

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Compiler Construction Parsing II

Compiler Construction Parsing II. Ran Shaham and Ohad Shacham School of Computer Science Tel-Aviv University. Administration. Forum https://forums.cs.tau.ac.il/viewforum.php?f=64 Submit only source files Add +1 to yyline Please read IC Spec carefully No -- No ++

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CS 11 Ocaml track: lecture 7

CS 11 Ocaml track: lecture 7. Today: Writing a computer language, part 2 Evaluating the AST Environments and scoping. Where we're at. We've implemented the first part of a language interpreter source code ? tokens ( lexing ) tokens ? S-expressions ( parsing )

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Compiler Construction A bstract S yntax T ree

Compiler Construction A bstract S yntax T ree. Rina Zviel-Girshin and Ohad Shacham School of Computer Science Tel-Aviv University. x86 executable. exe. IC Program. ic. IC compiler. Compiler. Lexical Analysis. Syntax Analysis Parsing. AST. Symbol Table etc. Inter. Rep. (IR).

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Recursive Data Structures and Grammars

Recursive Data Structures and Grammars. Themes Recursive Description of Data Structures Grammars and Parsing Recursive Definitions of Properties of Data Structures Recursive Algorithms for Manipulating and Traversing Data Structures Examples Lists Trees Expressions and Expression Trees.

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Describing Syntax and Semantics Chapter 3

Describing Syntax and Semantics Chapter 3. Describing Syntax and Semantics. SYNTAX - the form of the expressions, statements and program units in a programming language. SEMANTICS - the meaning of those expressions, statements and program units. Describing Syntax.

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INHERENT LIMITATIONS OF COMPUTER PROGAMS

CSci 4011. INHERENT LIMITATIONS OF COMPUTER PROGAMS. string. pop. push. ? , ? ? $. 0, ? ? 0. 1,0 ? ?. ? ,$ ? ?. 1,0 ? ?. The language of P is the set of strings it accepts. CONTEXT-FREE GRAMMARS. A ? 0 A 1. A ? B. B ? #. A. ? 0A1. ? 00A11. ? 00B11. ? 00#11.

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Chapter 2-b

Chapter 2-b. Syntax, Semantics. Syntax, Semantics - Definition. The syntax of a programming language is the form of its expressions, statements and programming units. The semantics is the meaning of these expressions, statements and programming units.

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lambda calculus

lambda calculus. Jianguo Lu. H istory. A formal system designed to investigate function definition, function application, and recursion. Introduced by Alonzo Church in 1930s. The calculus can be used to cleanly define what a computable function is. Lambda calculus influenced Lisp.

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Parsers

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