Changes

| accessdate = 2012-03-19}}</ref>

| accessdate = 2012-03-19}}</ref>

:'''Lexical analysis''': convert source code into sequence of tokens, such as variable names, keywords, numbers, and special symbols such as '+'.

:'''Lexical analysis''': convert the source code into a sequence of tokens, such as variable names, keywords, numbers, and special symbols such as '+'.

:'''Syntax analysis''' or '''parsing''': structure tokens into parse tree or syntax tree which represents the structure of the program.

:'''Syntax analysis''' or '''parsing''': arrange the tokens into a parse tree or syntax tree which represents the structure of the program.

:'''Semantic analysis''': annotate parse tree with semantic actions, and perform various consistency checks.

:'''Semantic analysis''': annotate the parse tree with semantic actions, and perform various consistency checks.

:'''Intermediate code generation''': use the annotated parse tree to generate code in some simple machine-independent intermediate language.

:'''Intermediate code generation''': use the annotated parse tree to generate code in some simple machine-independent intermediate language.