Compiler/lexical analyzer: Difference between revisions
Content added Content deleted
(template "introheader" was renamed to "task heading") |
(Unfortunately, the <lang> tag treats the first and last newline as significant) |
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| style="vertical-align:top" | |
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<lang c> |
<lang c>/* |
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/* |
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Hello world |
Hello world |
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*/ |
*/ |
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print("Hello, World!\n"); |
print("Hello, World!\n");</lang> |
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| style="vertical-align:top" | |
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<lang c> |
<lang c>/* |
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/* |
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Show Ident and Integers |
Show Ident and Integers |
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*/ |
*/ |
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phoenix_number = 142857; |
phoenix_number = 142857; |
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print(phoenix_number, "\n"); |
print(phoenix_number, "\n");</lang> |
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| style="vertical-align:top" | |
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<lang c> |
<lang c>/* |
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/* |
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All lexical tokens - not syntactically correct, but that will |
All lexical tokens - not syntactically correct, but that will |
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have to wait until syntax analysis |
have to wait until syntax analysis |
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/* character literal */ '\n' |
/* character literal */ '\n' |
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/* character literal */ '\\' |
/* character literal */ '\\' |
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/* character literal */ ' ' |
/* character literal */ ' '</lang> |
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</lang> |
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=={{header|C}}== |
=={{header|C}}== |
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Tested with gcc 4.81 and later, compiles warning free with -Wall -Wextra |
Tested with gcc 4.81 and later, compiles warning free with -Wall -Wextra |
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<lang C> |
<lang C>#include <stdlib.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
#include <stdio.h> |
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#include <stdarg.h> |
#include <stdarg.h> |
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run(); |
run(); |
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return 0; |
return 0; |
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} |
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</lang> |
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Output from test case 3: |
Output from test case 3: |
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=={{header|Euphoria}}== |
=={{header|Euphoria}}== |
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Tested with Euphoria 4.05. |
Tested with Euphoria 4.05. |
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<lang euphoria> |
<lang euphoria>include std/io.e |
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include std/io.e |
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include std/map.e |
include std/map.e |
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include std/types.e |
include std/types.e |
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end procedure |
end procedure |
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main(command_line()) |
main(command_line())</lang> |
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</lang> |
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Output from test case 3: |
Output from test case 3: |
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=={{header|Flex}}== |
=={{header|Flex}}== |
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Tested with Flex 2.5.4. |
Tested with Flex 2.5.4. |
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<lang C> |
<lang C>%{ |
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%{ |
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#include <stdio.h> |
#include <stdio.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
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} while (tok != tk_EOI); |
} while (tok != tk_EOI); |
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return 0; |
return 0; |
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} |
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</lang> |
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Output from test case 3: |
Output from test case 3: |
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=={{header|FreeBASIC}}== |
=={{header|FreeBASIC}}== |
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Tested with FreeBASIC 1.05 |
Tested with FreeBASIC 1.05 |
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<lang FreeBASIC> |
<lang FreeBASIC>enum Token_type |
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enum Token_type |
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tk_EOI |
tk_EOI |
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tk_Mul |
tk_Mul |
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main() |
main() |
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system |
system</lang> |
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</lang> |
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Output from test case 3: |
Output from test case 3: |
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=={{header|Python}}== |
=={{header|Python}}== |
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Tested with Python 2.7 and 3.x |
Tested with Python 2.7 and 3.x |
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<lang Python> |
<lang Python>from __future__ import print_function |
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from __future__ import print_function |
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import sys |
import sys |
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if tok == tk_EOI: |
if tok == tk_EOI: |
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break |
break</lang> |
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</lang> |
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Output from test case 3: |
Output from test case 3: |
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