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LEXICAL ANALYSIS, :robot_face:, :1234:, :symbols:, :ab:, :red_cross:, …
LEXICAL ANALYSIS
DIRECT IMPLEMENTATION
RECOGNISING INDIVIDUAL TOKENS
WHITE SPACE
SINGLE CHARACTER TOKENS
COMMENTS
INTEGER CONSTANTS
IDENTIFIERS AND RESERVED WORDS
OTHER SHORT TOKENS
ERRORS
PLANNING A LEXICAL ANALYSER
MORE GENERAL ISSUES
IDENTIFIERS AND RESERVED WORDS
NUMERICAL CONSTANTS
TESTING
DIFFICULT LANGUAGES
EVALUATION
REGULAR EXPRESSIONS
SPECIFYING AND USING REGULAR EXPRESSIONS
OPERATORS
ALTERNATION
REPETITION
CONCATENATION
RECOGNISING INSTANCE OF REGULAR EXPRESSIONS
FINITE-STATE MACHINES
TOOL-BASED IMPLEMENTATION
JFLEX
FLEX
LEXICAL ANALYSER FOR C
LEXICAL TOKENS
LIST OF TOKENS
Identifiers
Integer constants
Character constants
Floating constants
String constants
Operator tokens
Keywords and reserved words
Comments
ISSUES WITH PARTICULAR TOKENS
Identifiers
Upper and lower case letters
Lenght
Integer and Floating point constants
Syntax
Lenght
Limit of range of integer constants
Operator tokens
Keywords and reserved words
Start block and end block
:robot_face:
:1234:
:symbols:
:ab:
:red_cross:
:check:
:mag:
:check:
:heavy_plus_sign:
:white_circle:
:computer: