1. A syntax analyser reads an input source program and produces as output a sequence of tokens. 2. A syntax analyser generates intermediate code. 3. What is a context-free grammar? Illustrate with an...

1. A syntax analyser reads an input source program and produces as output a sequence of tokens.

2. A syntax analyser generates intermediate code.

3. What is a context-free grammar? Illustrate with an example the different components of a context-free grammar. What are the advantages of using context-free grammar to specify a language?