Difference between revisions of "Bottom-Up Parsing/Exercise 11: LALR(1)"
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== Problema == | == Problema == | ||
| − | Consider the following grammar, where A is the initial symbol and { x, y, z } is the set of terminal symbols: | + | Consider the following grammar, where A is the initial symbol and '''{ x, y, z }''' is the set of terminal symbols: |
| − | <text> | + | <source lang="text"> |
| − | A | + | A → B y y | z z x | x B x |
| − | B | + | B → z | ε |
| − | </ | + | </source> |
# Compute the set of LALR(1) states for the grammar. Build the corresponding LALR(1) parse table. | # Compute the set of LALR(1) states for the grammar. Build the corresponding LALR(1) parse table. | ||
# Compact the parse table, eliminating and propagating reductions. | # Compact the parse table, eliminating and propagating reductions. | ||
| Line 11: | Line 11: | ||
== Solução == | == Solução == | ||
| + | |||
| + | {{CollapsedCode|Solução completa| | ||
| + | [[Image:Byy.jpg|768px]] | ||
| + | }} | ||
[[category:Compiladores]] | [[category:Compiladores]] | ||
[[category:Ensino]] | [[category:Ensino]] | ||
Latest revision as of 11:48, 2 May 2024
Problema
Consider the following grammar, where A is the initial symbol and { x, y, z } is the set of terminal symbols:
A → B y y | z z x | x B x
B → z | ε
- Compute the set of LALR(1) states for the grammar. Build the corresponding LALR(1) parse table.
- Compact the parse table, eliminating and propagating reductions.
- Show the parsing process for input xx (including the actions/gotos and the input and stack states). In case of conflict, assume YACC's behavior.
Solução
| Solução completa |
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