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Lecture Compiler construction: Lesson 33 - Sohail Aslam
Lecture Compiler construction: Lesson 33 - Sohail Aslam. The main topics covered in this chapter include: implementing ad-hoc scheme, struct and union, parser needs a mechanism to pass values of attributes from definitions in one snippet to uses in another,...
4/8/2023 7:06:48 AM +00:00
Lecture Compiler construction: Lesson 32 - Sohail Aslam
Lecture Compiler construction: Lesson 32 - Sohail Aslam. The main topics covered in this chapter include: evaluation methods, dynamic methods, rule-based (treewalk), attribute grammars have not achieved widespread use due to a myraid of problems, traversing parse tree, storage management for short-lived attributes,...
4/8/2023 7:06:36 AM +00:00
Lecture Compiler construction: Lesson 31 - Sohail Aslam
Lecture Compiler construction: Lesson 31 - Sohail Aslam. The main topics covered in this chapter include: beyond syntax, context-sensitive analysis, use ad-hoc techniques: symbol tables, ad-hoc code; attribute grammars, synthesized attributes, inherited attributes,...
4/8/2023 7:06:29 AM +00:00
Lecture Compiler construction: Lesson 30 - Sohail Aslam
Lecture Compiler construction: Lesson 30 - Sohail Aslam. The main topics covered in this chapter include: parser generators, YACC parser generator, YACC file for a calculator, flex input file for a calculator, building a parser with YACC and Lex, context sensitive analysis, beyond syntax,...
4/8/2023 7:06:23 AM +00:00
Lecture Compiler construction: Lesson 29 - Sohail Aslam
Lecture Compiler construction: Lesson 29 - Sohail Aslam. The main topics covered in this chapter include: Shift/Reduce conflicts, Consider of the ambiguous grammar, Reduce/Reduce conflicts, gross ambiguity in the grammar, LR(1) table size, LR(1) parsing table, LALR states,...
4/8/2023 7:06:16 AM +00:00
Lecture Compiler construction: Lesson 28 - Sohail Aslam
Lecture Compiler construction: Lesson 28 - Sohail Aslam. The main topics covered in this chapter include: LR(1) skeleton parser, Shift/Reduce conflicts, ambiguities in the grammar, typical action shift so that else matches with most recent, DFA state containing,...
4/8/2023 7:06:10 AM +00:00
Lecture Compiler construction: Lesson 27 - Sohail Aslam
Lecture Compiler construction: Lesson 27 - Sohail Aslam. The main topics covered in this chapter include: LR table construction, table construction example, the scanner will encode the input string,...
4/8/2023 7:06:03 AM +00:00
Lecture Compiler construction: Lesson 26 - Sohail Aslam
Lecture Compiler construction: Lesson 26 - Sohail Aslam. The main topics covered in this chapter include: finite automaton of items, construction of collection of canonical sets of LR(1) items, sets of LR(1) items and augmented grammar, NFA of LR(0) items, LR table construction,...
4/8/2023 7:05:57 AM +00:00
Lecture Compiler construction: Lesson 25 - Sohail Aslam
Lecture Compiler construction: Lesson 25 - Sohail Aslam. The main topics covered in this chapter include: sets of LR(1) items, the closure procedure, the goto procedure, finite automaton of items, nondeterministic finite automaton (NFA), the DFA can be constructed from this NFA using the subset construction, similar to one we used for lexical analysis,...
4/8/2023 7:05:47 AM +00:00
Lecture Compiler construction: Lesson 24 - Sohail Aslam
Lecture Compiler construction: Lesson 24 - Sohail Aslam. The main topics covered in this chapter include: LR(1) items, building LR(1) tables, canonical collection, the closure procedure, simplify the task of building this initial state, the construction requires that the grammar have a unique goal symbol,...
4/8/2023 7:05:36 AM +00:00
Lecture Compiler construction: Lesson 23 - Sohail Aslam
Lecture Compiler construction: Lesson 23 - Sohail Aslam. The main topics covered in this chapter include: the number of potential handles for the grammar simply the sum of the lengths of the right-hand side of all the productions; the number of complete handles is simply the number of productions;...
4/8/2023 7:05:30 AM +00:00
Lecture Compiler construction: Lesson 22 - Sohail Aslam
Lecture Compiler construction: Lesson 22 - Sohail Aslam. The main topics covered in this chapter include: expression grammar, handle-finding mechanism the key to effiecient bottom-up parsing, process an input string, the parser must find and track all potential handles,...
4/8/2023 7:05:20 AM +00:00
Lecture Compiler construction: Lesson 21 - Sohail Aslam
Lecture Compiler construction: Lesson 21 - Sohail Aslam. The main topics covered in this chapter include: Shift-Reduce the stack, shift pushes a terminal on the stack, reduce pops zero or more symbols from the stack (production rhs) and pushes a non-terminal on the stack (production lhs), discovering handles,...
4/8/2023 7:05:08 AM +00:00
Lecture Compiler construction: Lesson 20 - Sohail Aslam
Lecture Compiler construction: Lesson 20 - Sohail Aslam. The main topics covered in this chapter include: bottom-up parsing, bottom-up parsers handle a large class of grammars, preferred method in practice, LR parser traces a rightmost derivation in reverse,...
4/8/2023 7:04:58 AM +00:00
Lecture Compiler construction: Lesson 19 - Sohail Aslam
Lecture Compiler construction: Lesson 19 - Sohail Aslam. The main topics covered in this chapter include: LL(1) table construction, LL(1) parsing table, left factoring, a grammar must be left factored before use for predictive parsing, a graphical explanation,...
4/8/2023 7:04:51 AM +00:00
Lecture Compiler construction: Lesson 18 - Sohail Aslam
Lecture Compiler construction: Lesson 18 - Sohail Aslam. The main topics covered in this chapter include: computing FIRST sets, terminal symbols, computing FOLLOW sets, the algorithm to construct a predictive parsing table, table construction,...
4/8/2023 7:04:42 AM +00:00
Lecture Compiler construction: Lesson 17 - Sohail Aslam
Lecture Compiler construction: Lesson 17 - Sohail Aslam. The main topics covered in this chapter include: non-recursive predictive parsing, table-driven parsers, predictive parsing table, the predictive parser uses an explicit stack to keep track of pending non-terminals,...
4/8/2023 7:04:36 AM +00:00
Lecture Compiler construction: Lesson 15 - Sohail Aslam
Lecture Compiler construction: Lesson 15 - Sohail Aslam. The main topics covered in this chapter include: recusive descent parser, consider the implementation of the C++ classes for the non-terminal, start with Expr; recall the grammar,...
4/8/2023 7:04:29 AM +00:00
Lecture Compiler construction: Lesson 14 - Sohail Aslam
Lecture Compiler construction: Lesson 14 - Sohail Aslam. The main topics covered in this chapter include: predictive parsing, recursive descent parsing, mutually recursive routin, recursive descent in C++, each non-terminal symbol, non-terminal classes,...
4/8/2023 7:04:23 AM +00:00
Lecture Compiler construction: Lesson 13 - Sohail Aslam
Lecture Compiler construction: Lesson 13 - Sohail Aslam. The main topics covered in this chapter include: parsing techniques, top-down parsers, bottom-up parsers, top-down parsing algorithm, expression grammar, left recursion, pick a production and try to match the input,...
4/8/2023 7:04:14 AM +00:00
Lecture Compiler construction: Lesson 12 - Sohail Aslam
Lecture Compiler construction: Lesson 12 - Sohail Aslam. The main topics covered in this chapter include: Parse trees, precedence and these two derivations point out a problem with the grammar, xreate a non-terminal for each level of precedence, isolate corresponding part of grammar,...
4/8/2023 7:04:08 AM +00:00
Lecture Compiler construction: Lesson 11 - Sohail Aslam
Lecture Compiler construction: Lesson 11 - Sohail Aslam. The main topics covered in this chapter include: parsing, Front-End parser, checks the stream of words and their parts of speech for grammatical correctness, cetermines if the input syntactically well formed, natural language analogy,...
4/8/2023 7:04:02 AM +00:00
Lecture Compiler construction: Lesson 10 - Sohail Aslam
Lecture Compiler construction: Lesson 10 - Sohail Aslam. The main topics covered in this chapter include: using generated scanner, input tokenized, flex input for C++, ISO C++ lexical analyzer, Front-End parser, checks the stream of words and their parts of speech for grammatical correctness,...
4/8/2023 7:03:56 AM +00:00
Lecture Compiler construction: Lesson 9 - Sohail Aslam
Lecture Compiler construction: Lesson 9 - Sohail Aslam. The main topics covered in this chapter include: DFA minimization, the generated DFA may have a large number of states, hopcroft’s algorithm minimizes DFA states, equivalent states, construct the minimized DFA such that there is one state for each group of states from the initial DFA,...
4/8/2023 7:03:49 AM +00:00
Lecture Compiler construction: Lesson 8 - Sohail Aslam
Lecture Compiler construction: Lesson 8 - Sohail Aslam. The main topics covered in this chapter include: NFA to DFA construction, subset construction and subset construction example, the start state of equivalent DFA, resulting DFA, final transition table,...
4/8/2023 7:03:43 AM +00:00
Lecture Compiler construction: Lesson 7 - Sohail Aslam
Lecture Compiler construction: Lesson 7 - Sohail Aslam. The main topics covered in this chapter include: table encoding of FA, transition table, simulating FA, finite automata, nondeterministic finite automaton (NFA), epsilon moves, deterministic finite automata (DFA), NFAs and DFAs recognize the same set of languages,...
4/8/2023 7:03:37 AM +00:00
Lecture Compiler construction: Lesson 6 - Sohail Aslam
Lecture Compiler construction: Lesson 6 - Sohail Aslam. The main topics covered in this chapter include: regular languages, for lexical analysis we care about regular languages, regular languages can be described using regular expressions, finite automata (FA), state graphs,...
4/8/2023 7:03:30 AM +00:00
Lecture Compiler construction: Lesson 5 - Sohail Aslam
Lecture Compiler construction: Lesson 5 - Sohail Aslam. The main topics covered in this chapter include: lexical analysis, recall front-end, ad-hoc lexer, hand-write code to generate tokens, look-ahead required to decide where one token ends and the next token begins,...
4/8/2023 7:03:24 AM +00:00
Lecture Compiler construction: Lesson 4 - Sohail Aslam
Lecture Compiler construction: Lesson 4 - Sohail Aslam. The main topics covered in this chapter include: the back end, three-pass compiler, analyzes IR and rewrites (or transforms) IR, primary goal is to reduce running time of the compiled code, modern optimizers are structured as a series of passes,...
4/8/2023 7:03:18 AM +00:00
Lecture Compiler construction: Lesson 3 - Sohail Aslam
Lecture Compiler construction: Lesson 3 - Sohail Aslam. The main topics covered in this chapter include: syntax tree, abstract syntax tree (AST), translate IR into target machine code, choose machine (assembly) instructions to implement each IR operation, ensure conformance with system interfaces,...
4/8/2023 7:03:12 AM +00:00