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Results tagged with lexical-analysis
Search options answers only
not deleted
user 507
Lexical analysis is the process of converting a sequence of characters into a sequence of tokens.
2
votes
Efficient C Tokenizer/Lexer in C++
I hate this:
buffer = (char*)malloc(file_size + 1);
assert(buffer != nullptr);
The trouble is that if you have a build system set up to build this it will probably define NDEBUG for productio …
- 96.6k
4
votes
Simple C99 Lexer
Same Lexer writtern in Lex.
Lexer.l
startsIdentifier [a-zA-Z_]
isInIdentifier {startsIdentifier}|[0-9]
isHexChar [0-9A-Fa-f]
isOctal [0- …
- 96.6k
1
vote
Simple C99 Lexer
Spotted a bug:
while (character == '/' && peekChar() == '/') {
skipLineComment();
character = skipWhitespace();
}
while (character == '/' && peekChar() == '*') {
skipBlockComment();
c …
- 96.6k
5
votes
Accepted
Tokenizer for my programming language
Issues with EBNF
string ::= '"' {(any_character | string_escape)} '"';
Here for "any_character" you probably meant any character except " but that is not made explicit.
number ::= [('+' | '-')] {digi …
- 96.6k
3
votes
Accepted
Tokenize and detect syntactic errors in simple math expressions
Observation
First observation use Flex/Bison. Learn it once it makes all this stuff trivial.
OK. Got that out the way. Looking at the current code.
Style
You treat tokenizing and analyzing as two …
- 96.6k