diff options
Diffstat (limited to 'doc/language')
34 files changed, 48 insertions, 196 deletions
diff --git a/doc/language/cpsc-language-overview.7.md b/doc/language/cpsc-language-overview.7.md index 7005fa0..a471854 100644 --- a/doc/language/cpsc-language-overview.7.md +++ b/doc/language/cpsc-language-overview.7.md @@ -6,26 +6,15 @@ cpsc-language-overview - supported cpsc pseudocode syntax # DESCRIPTION -Keywords and built-in function names are uppercase and case-sensitive. -Indentation is for readability; blocks use explicit closing keywords. -Identifiers begin with a letter and continue with letters, -digits, or underscores. +Keywords and built-in function names are uppercase and case-sensitive. Indentation is for readability; blocks use explicit closing keywords. Identifiers begin with a letter and continue with letters, digits, or underscores. -Assign with ASCII `<-`: `Count <- Count + 1`. Compare with `=`, `<>`, -`<`, `>`, `<=`, and `>=`. STRING comparisons compare contents, -case-sensitively. Use `+`, `-`, `*`, and `/` for arithmetic; -`/` always returns REAL. Use `&` to join strings. +Assign with ASCII `<-`: `Count <- Count + 1`. Compare with `=`, `<>`, `<`, `>`, `<=`, and `>=`. STRING comparisons compare contents, case-sensitively. Use `+`, `-`, `*`, and `/` for arithmetic; `/` always returns REAL. Use `&` to join strings. -Precedence, from highest to lowest: unary operators, `* / DIV MOD`, -`+ - &`, comparisons, AND, OR. Parentheses override precedence. +Precedence, from highest to lowest: unary operators, `* / DIV MOD`, `+ - &`, comparisons, AND, OR. Parentheses override precedence. -Literals include integers, decimal real numbers, TRUE/FALSE, strings in -double quotes, and single-byte characters in single quotes. Negative -numbers use unary minus. There are no string or character escape sequences. -Comments begin with `//` and continue to the end of the line. +Literals include integers, decimal real numbers, TRUE/FALSE, strings in double quotes, and single-byte characters in single quotes. Negative numbers use unary minus. There are no string or character escape sequences. Comments begin with `//` and continue to the end of the line. -Declare variables before use. See DECLARE for built-in types and arrays, -TYPE for records/enumerations/pointers, and CLASS for public/private fields. +Declare variables before use. See DECLARE for built-in types and arrays, TYPE for records/enumerations/pointers, and CLASS for public/private fields. # KEYWORDS @@ -51,13 +40,7 @@ TYPE for records/enumerations/pointers, and CLASS for public/private fields. - [cpsc-keyword-div(7)](keyword/cpsc-keyword-div.7.md): perform integer division. - [cpsc-keyword-mod(7)](keyword/cpsc-keyword-mod.7.md): find the integer division remainder. -Closing and auxiliary keywords are documented with their main constructs: -THEN/ELSE/ENDIF with IF; DO/ENDWHILE with WHILE; UNTIL with REPEAT; -TO/STEP/NEXT with FOR; RETURN/RETURNS/BYVAL/BYREF and function/procedure -closing keywords with FUNCTION/PROCEDURE; READ/WRITE/APPEND with OPENFILE; -ARRAY/OF and INTEGER/REAL/BOOLEAN/CHAR/STRING with DECLARE; -ENDTYPE with TYPE; PUBLIC/PRIVATE/ENDCLASS with CLASS. -TRUE/FALSE are BOOLEAN literals. +Closing and auxiliary keywords are documented with their main constructs: THEN/ELSE/ENDIF with IF; DO/ENDWHILE with WHILE; UNTIL with REPEAT; TO/STEP/NEXT with FOR; RETURN/RETURNS/BYVAL/BYREF and function/procedure closing keywords with FUNCTION/PROCEDURE; READ/WRITE/APPEND with OPENFILE; ARRAY/OF and INTEGER/REAL/BOOLEAN/CHAR/STRING with DECLARE; ENDTYPE with TYPE; PUBLIC/PRIVATE/ENDCLASS with CLASS. TRUE/FALSE are BOOLEAN literals. # BUILT-IN FUNCTIONS @@ -76,13 +59,9 @@ TRUE/FALSE are BOOLEAN literals. # UNSUPPORTED FEATURES -CASE OF, CONSTANT, DATE, SET types and DEFINE, random-file operations -(RANDOM/SEEK/GETRECORD/PUTRECORD), INT, RAND, INPUT into array elements or -fields, string escapes, whole-array assignment or return, array fields, -and class methods/constructors/destructors/inheritance (NEW/INHERITS/SUPER). +CASE OF, CONSTANT, DATE, SET types and DEFINE, random-file operations (RANDOM/SEEK/GETRECORD/PUTRECORD), INT, RAND, INPUT into array elements or fields, string escapes, whole-array assignment or return, array fields, and class methods/constructors/destructors/inheritance (NEW/INHERITS/SUPER). -The individual pages note relevant differences from the Cambridge 2026 -pseudocode guide. This manual describes the compiler's current support. +The individual pages note relevant differences from the Cambridge 2026 pseudocode guide. This manual describes the compiler's current support. # EXAMPLE @@ -97,4 +76,3 @@ ENDIF # SEE ALSO [cpsc(1)](../cpsc.1.md). - diff --git a/doc/language/function/cpsc-function-asc.7.md b/doc/language/function/cpsc-function-asc.7.md index 72403a7..17ba8fe 100644 --- a/doc/language/function/cpsc-function-asc.7.md +++ b/doc/language/function/cpsc-function-asc.7.md @@ -13,8 +13,7 @@ ASC(text : STRING) RETURNS INTEGER # DESCRIPTION -Return the unsigned byte code of the character, or of the first byte of a -string. Use a nonempty string; for ASCII characters this is the ASCII code. +Return the unsigned byte code of the character, or of the first byte of a string. Use a nonempty string; for ASCII characters this is the ASCII code. # EXAMPLE @@ -25,4 +24,3 @@ OUTPUT ASC('A') # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-chr(7)](cpsc-function-chr.7.md). - diff --git a/doc/language/function/cpsc-function-chr.7.md b/doc/language/function/cpsc-function-chr.7.md index 59b3121..1eab413 100644 --- a/doc/language/function/cpsc-function-chr.7.md +++ b/doc/language/function/cpsc-function-chr.7.md @@ -12,9 +12,7 @@ CHR(code : INTEGER) RETURNS STRING # DESCRIPTION -Convert the low eight bits of code to a one-byte string. -The result is STRING, not CHAR. Use ASCII codes 1 to 127 for -ordinary text; code 0 produces an empty string. +Convert the low eight bits of code to a one-byte string. The result is STRING, not CHAR. Use ASCII codes 1 to 127 for ordinary text; code 0 produces an empty string. # EXAMPLE @@ -25,4 +23,3 @@ OUTPUT CHR(65) # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-asc(7)](cpsc-function-asc.7.md). - diff --git a/doc/language/function/cpsc-function-eof.7.md b/doc/language/function/cpsc-function-eof.7.md index 3ab2d31..397c713 100644 --- a/doc/language/function/cpsc-function-eof.7.md +++ b/doc/language/function/cpsc-function-eof.7.md @@ -12,9 +12,7 @@ EOF(filename : STRING) RETURNS BOOLEAN # DESCRIPTION -Return true when no further characters remain in a file opened FOR READ. -The test does not consume the next character. Testing an unopened file or -a file in the wrong mode terminates execution. +Return true when no further characters remain in a file opened FOR READ. The test does not consume the next character. Testing an unopened file or a file in the wrong mode terminates execution. # EXAMPLE @@ -31,4 +29,3 @@ CLOSEFILE "notes.txt" # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-openfile(7)](../keyword/cpsc-keyword-openfile.7.md), [cpsc-keyword-readfile(7)](../keyword/cpsc-keyword-readfile.7.md), [cpsc-keyword-closefile(7)](../keyword/cpsc-keyword-closefile.7.md). - diff --git a/doc/language/function/cpsc-function-is_num.7.md b/doc/language/function/cpsc-function-is_num.7.md index a85acfe..a1fe34e 100644 --- a/doc/language/function/cpsc-function-is_num.7.md +++ b/doc/language/function/cpsc-function-is_num.7.md @@ -12,9 +12,7 @@ IS_NUM(text : STRING) RETURNS BOOLEAN # DESCRIPTION -Return true for a nonempty string fully consumed by the runtime's -numeric conversion. Leading whitespace is accepted; trailing whitespace -or other trailing text is rejected. +Return true for a nonempty string fully consumed by the runtime's numeric conversion. Leading whitespace is accepted; trailing whitespace or other trailing text is rejected. # EXAMPLE @@ -25,4 +23,3 @@ OUTPUT IS_NUM("12.5") # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-str_to_num(7)](cpsc-function-str_to_num.7.md). - diff --git a/doc/language/function/cpsc-function-lcase.7.md b/doc/language/function/cpsc-function-lcase.7.md index c8c7db9..a2cbf44 100644 --- a/doc/language/function/cpsc-function-lcase.7.md +++ b/doc/language/function/cpsc-function-lcase.7.md @@ -12,9 +12,7 @@ LCASE(text : STRING) RETURNS STRING # DESCRIPTION -Return a copy with letters converted to lower case. Unlike guide section 5.5's -CHAR-to-CHAR signature, cpsc accepts text and returns STRING. Use ASCII -text for predictable character conversion. +Return a copy with letters converted to lower case. Unlike guide section 5.5's CHAR-to-CHAR signature, cpsc accepts text and returns STRING. Use ASCII text for predictable character conversion. # EXAMPLE @@ -25,4 +23,3 @@ OUTPUT LCASE("HELLO") # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-ucase(7)](cpsc-function-ucase.7.md). - diff --git a/doc/language/function/cpsc-function-left.7.md b/doc/language/function/cpsc-function-left.7.md index 38a703e..8f27e24 100644 --- a/doc/language/function/cpsc-function-left.7.md +++ b/doc/language/function/cpsc-function-left.7.md @@ -12,8 +12,7 @@ LEFT(text : STRING, count : INTEGER) RETURNS STRING # DESCRIPTION -Return up to count bytes from the beginning. Counts larger than the string -length return the whole string; negative counts return an empty string. +Return up to count bytes from the beginning. Counts larger than the string length return the whole string; negative counts return an empty string. # EXAMPLE @@ -24,4 +23,3 @@ OUTPUT LEFT("Hello", 2) # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-right(7)](cpsc-function-right.7.md), [cpsc-function-mid(7)](cpsc-function-mid.7.md). - diff --git a/doc/language/function/cpsc-function-length.7.md b/doc/language/function/cpsc-function-length.7.md index 9730798..fcdc47a 100644 --- a/doc/language/function/cpsc-function-length.7.md +++ b/doc/language/function/cpsc-function-length.7.md @@ -12,8 +12,7 @@ LENGTH(text : STRING) RETURNS INTEGER # DESCRIPTION -Return the number of bytes before the string terminator. String operations -are byte-based, so this is not a Unicode character count. +Return the number of bytes before the string terminator. String operations are byte-based, so this is not a Unicode character count. # EXAMPLE @@ -24,4 +23,3 @@ OUTPUT LENGTH("Hello") # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-mid(7)](cpsc-function-mid.7.md), [cpsc-function-left(7)](cpsc-function-left.7.md), [cpsc-function-right(7)](cpsc-function-right.7.md). - diff --git a/doc/language/function/cpsc-function-mid.7.md b/doc/language/function/cpsc-function-mid.7.md index 66f7294..0956b43 100644 --- a/doc/language/function/cpsc-function-mid.7.md +++ b/doc/language/function/cpsc-function-mid.7.md @@ -12,9 +12,7 @@ MID(text : STRING, start : INTEGER, count : INTEGER) RETURNS STRING # DESCRIPTION -Return up to count bytes starting at the one-based position start. -Positions below 1 clamp to 1; positions beyond the end return an empty string. -The count clamps to the available bytes; negative counts return an empty string. +Return up to count bytes starting at the one-based position start. Positions below 1 clamp to 1; positions beyond the end return an empty string. The count clamps to the available bytes; negative counts return an empty string. # EXAMPLE @@ -25,4 +23,3 @@ OUTPUT MID("ABCDEFGH", 2, 3) # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-left(7)](cpsc-function-left.7.md), [cpsc-function-right(7)](cpsc-function-right.7.md), [cpsc-function-length(7)](cpsc-function-length.7.md). - diff --git a/doc/language/function/cpsc-function-num_to_str.7.md b/doc/language/function/cpsc-function-num_to_str.7.md index fb4f6fc..fb8e6fd 100644 --- a/doc/language/function/cpsc-function-num_to_str.7.md +++ b/doc/language/function/cpsc-function-num_to_str.7.md @@ -12,8 +12,7 @@ NUM_TO_STR(number : INTEGER or REAL) RETURNS STRING # DESCRIPTION -Format INTEGER as signed decimal text and REAL with six digits after the -decimal point. +Format INTEGER as signed decimal text and REAL with six digits after the decimal point. # EXAMPLE @@ -24,4 +23,3 @@ OUTPUT NUM_TO_STR(42), " ", NUM_TO_STR(3.5) # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-str_to_num(7)](cpsc-function-str_to_num.7.md). - diff --git a/doc/language/function/cpsc-function-right.7.md b/doc/language/function/cpsc-function-right.7.md index 9aa10e6..2f70fbd 100644 --- a/doc/language/function/cpsc-function-right.7.md +++ b/doc/language/function/cpsc-function-right.7.md @@ -12,8 +12,7 @@ RIGHT(text : STRING, count : INTEGER) RETURNS STRING # DESCRIPTION -Return up to count bytes from the end. Use a nonnegative count. -Counts larger than the string length return the whole string. +Return up to count bytes from the end. Use a nonnegative count. Counts larger than the string length return the whole string. # EXAMPLE @@ -24,4 +23,3 @@ OUTPUT RIGHT("Hello", 2) # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-left(7)](cpsc-function-left.7.md), [cpsc-function-mid(7)](cpsc-function-mid.7.md). - diff --git a/doc/language/function/cpsc-function-str_to_num.7.md b/doc/language/function/cpsc-function-str_to_num.7.md index 341b757..b0ceef2 100644 --- a/doc/language/function/cpsc-function-str_to_num.7.md +++ b/doc/language/function/cpsc-function-str_to_num.7.md @@ -12,9 +12,7 @@ STR_TO_NUM(text : STRING) RETURNS REAL # DESCRIPTION -Return REAL, including for integer-looking text. Conversion can stop at -trailing text; invalid text returns zero. Use IS_NUM first when the whole -string must be a valid number. +Return REAL, including for integer-looking text. Conversion can stop at trailing text; invalid text returns zero. Use IS_NUM first when the whole string must be a valid number. # EXAMPLE @@ -25,4 +23,3 @@ OUTPUT STR_TO_NUM("12.5") # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-is_num(7)](cpsc-function-is_num.7.md), [cpsc-function-num_to_str(7)](cpsc-function-num_to_str.7.md). - diff --git a/doc/language/function/cpsc-function-ucase.7.md b/doc/language/function/cpsc-function-ucase.7.md index 6356f48..728ae14 100644 --- a/doc/language/function/cpsc-function-ucase.7.md +++ b/doc/language/function/cpsc-function-ucase.7.md @@ -12,9 +12,7 @@ UCASE(text : STRING) RETURNS STRING # DESCRIPTION -Return a copy with letters converted to upper case. Unlike guide section 5.5's -CHAR-to-CHAR signature, cpsc accepts text and returns STRING. Use ASCII -text for predictable character conversion. +Return a copy with letters converted to upper case. Unlike guide section 5.5's CHAR-to-CHAR signature, cpsc accepts text and returns STRING. Use ASCII text for predictable character conversion. # EXAMPLE @@ -25,4 +23,3 @@ OUTPUT UCASE("Hello") # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-lcase(7)](cpsc-function-lcase.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-and.7.md b/doc/language/keyword/cpsc-keyword-and.7.md index 8df8c56..1577798 100644 --- a/doc/language/keyword/cpsc-keyword-and.7.md +++ b/doc/language/keyword/cpsc-keyword-and.7.md @@ -12,9 +12,7 @@ left AND right # DESCRIPTION -Return BOOLEAN: true when both operands are true. Both operands are -evaluated; AND does not short-circuit. AND binds more tightly than OR -and less tightly than comparisons. Use parentheses for clarity. +Return BOOLEAN: true when both operands are true. Both operands are evaluated; AND does not short-circuit. AND binds more tightly than OR and less tightly than comparisons. Use parentheses for clarity. # EXAMPLE @@ -25,4 +23,3 @@ OUTPUT (3 > 2) AND (4 > 1) # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-or(7)](cpsc-keyword-or.7.md), [cpsc-keyword-not(7)](cpsc-keyword-not.7.md), [cpsc-keyword-if(7)](cpsc-keyword-if.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-call.7.md b/doc/language/keyword/cpsc-keyword-call.7.md index e999a8b..0972e5e 100644 --- a/doc/language/keyword/cpsc-keyword-call.7.md +++ b/doc/language/keyword/cpsc-keyword-call.7.md @@ -12,9 +12,7 @@ CALL name(arguments) # DESCRIPTION -Invoke a previously declared procedure with its parameters. Empty argument -lists may be written `CALL name()` or `CALL name`. -Use function calls in expressions to obtain their results. +Invoke a previously declared procedure with its parameters. Empty argument lists may be written `CALL name()` or `CALL name`. Use function calls in expressions to obtain their results. # EXAMPLE @@ -28,4 +26,3 @@ CALL Hello() # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-procedure(7)](cpsc-keyword-procedure.7.md), [cpsc-keyword-function(7)](cpsc-keyword-function.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-class.7.md b/doc/language/keyword/cpsc-keyword-class.7.md index d7ec12f..7e8f6e3 100644 --- a/doc/language/keyword/cpsc-keyword-class.7.md +++ b/doc/language/keyword/cpsc-keyword-class.7.md @@ -15,15 +15,9 @@ ENDCLASS # DESCRIPTION -Declare a class at top level with at least one field. Every field explicitly -requires PUBLIC or PRIVATE, without DECLARE. This differs from guide -section 10's default-public rule. ENDCLASS closes the declaration. +Declare a class at top level with at least one field. Every field explicitly requires PUBLIC or PRIVATE, without DECLARE. This differs from guide section 10's default-public rule. ENDCLASS closes the declaration. -Classes use record value semantics: zero initialization, whole-value copying, -arrays, pointers, and ordinary function/procedure parameters. Only PUBLIC -fields can be accessed externally. PRIVATE fields still initialize and copy -with the whole value. Methods, constructors, destructors, NEW, INHERITS, -and array fields are unsupported. +Classes use record value semantics: zero initialization, whole-value copying, arrays, pointers, and ordinary function/procedure parameters. Only PUBLIC fields can be accessed externally. PRIVATE fields still initialize and copy with the whole value. Methods, constructors, destructors, NEW, INHERITS, and array fields are unsupported. # EXAMPLE @@ -40,4 +34,3 @@ OUTPUT PersonValue.Name # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-type(7)](cpsc-keyword-type.7.md), [cpsc-keyword-declare(7)](cpsc-keyword-declare.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-closefile.7.md b/doc/language/keyword/cpsc-keyword-closefile.7.md index 381ae56..2359b82 100644 --- a/doc/language/keyword/cpsc-keyword-closefile.7.md +++ b/doc/language/keyword/cpsc-keyword-closefile.7.md @@ -12,8 +12,7 @@ CLOSEFILE filename # DESCRIPTION -Close the file associated with this filename string and release its open-file -slot. Closing a filename that is not open terminates execution. +Close the file associated with this filename string and release its open-file slot. Closing a filename that is not open terminates execution. # EXAMPLE @@ -26,4 +25,3 @@ CLOSEFILE "notes.txt" # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-openfile(7)](cpsc-keyword-openfile.7.md), [cpsc-keyword-readfile(7)](cpsc-keyword-readfile.7.md), [cpsc-keyword-writefile(7)](cpsc-keyword-writefile.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-declare.7.md b/doc/language/keyword/cpsc-keyword-declare.7.md index 7fe1cf6..0c4ea28 100644 --- a/doc/language/keyword/cpsc-keyword-declare.7.md +++ b/doc/language/keyword/cpsc-keyword-declare.7.md @@ -13,16 +13,9 @@ DECLARE name : ARRAY[lower:upper, ...] OF type # DESCRIPTION -Declare one variable per statement. Built-in types are INTEGER (signed 64-bit), -REAL, BOOLEAN, CHAR (one byte), and STRING. User-defined TYPE and CLASS names -are also accepted. Variables start with zero, FALSE, an empty string, or a -zero-initialized user-defined value. +Declare one variable per statement. Built-in types are INTEGER (signed 64-bit), REAL, BOOLEAN, CHAR (one byte), and STRING. User-defined TYPE and CLASS names are also accepted. Variables start with zero, FALSE, an empty string, or a zero-initialized user-defined value. -ARRAY bounds are inclusive and may be expressions; multiple ranges create -multiple dimensions. Access elements with `name[index, ...]`. Bounds are -checked at run time. Whole-array assignment is unsupported. Declare arrays -before using them; arrays declared inside a control-flow block stay in that -block. +ARRAY bounds are inclusive and may be expressions; multiple ranges create multiple dimensions. Access elements with `name[index, ...]`. Bounds are checked at run time. Whole-array assignment is unsupported. Declare arrays before using them; arrays declared inside a control-flow block stay in that block. # EXAMPLE @@ -37,4 +30,3 @@ OUTPUT Names[Count] # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-type(7)](cpsc-keyword-type.7.md), [cpsc-keyword-class(7)](cpsc-keyword-class.7.md), [cpsc-keyword-output(7)](cpsc-keyword-output.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-div.7.md b/doc/language/keyword/cpsc-keyword-div.7.md index 6adb23d..f033633 100644 --- a/doc/language/keyword/cpsc-keyword-div.7.md +++ b/doc/language/keyword/cpsc-keyword-div.7.md @@ -12,9 +12,7 @@ left DIV right # DESCRIPTION -Both operands must be INTEGER. Return the quotient truncated toward zero. -A zero divisor terminates execution. DIV has the same precedence as -multiplication. Use `/` for division returning REAL. +Both operands must be INTEGER. Return the quotient truncated toward zero. A zero divisor terminates execution. DIV has the same precedence as multiplication. Use `/` for division returning REAL. # EXAMPLE @@ -25,4 +23,3 @@ OUTPUT 7 DIV 2 # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-mod(7)](cpsc-keyword-mod.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-for.7.md b/doc/language/keyword/cpsc-keyword-for.7.md index 57b5632..3906e18 100644 --- a/doc/language/keyword/cpsc-keyword-for.7.md +++ b/doc/language/keyword/cpsc-keyword-for.7.md @@ -14,11 +14,7 @@ NEXT variable # DESCRIPTION -The loop variable must already be declared INTEGER. Both endpoints are -inclusive. STEP defaults to 1; use a negative value to count down. -STEP is evaluated once, while the finish expression is evaluated each -iteration. NEXT must name the same variable. Use a nonzero STEP. -TO, STEP, and NEXT belong to this syntax. +The loop variable must already be declared INTEGER. Both endpoints are inclusive. STEP defaults to 1; use a negative value to count down. STEP is evaluated once, while the finish expression is evaluated each iteration. NEXT must name the same variable. Use a nonzero STEP. TO, STEP, and NEXT belong to this syntax. # EXAMPLE @@ -32,4 +28,3 @@ NEXT Index # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-declare(7)](cpsc-keyword-declare.7.md), [cpsc-keyword-while(7)](cpsc-keyword-while.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-function.7.md b/doc/language/keyword/cpsc-keyword-function.7.md index d687ba9..85347b1 100644 --- a/doc/language/keyword/cpsc-keyword-function.7.md +++ b/doc/language/keyword/cpsc-keyword-function.7.md @@ -15,16 +15,9 @@ ENDFUNCTION # DESCRIPTION -Call a function in an expression as `name(arguments)`. A call may precede its -top-level definition. RETURNS specifies the result type; omitting it defaults -to INTEGER. RETURN supplies a value of that type. Whole-array results are -unsupported. +Call a function in an expression as `name(arguments)`. A call may precede its top-level definition. RETURNS specifies the result type; omitting it defaults to INTEGER. RETURN supplies a value of that type. Whole-array results are unsupported. -Parameters use `name : type`, optionally prefixed by BYVAL. BYVAL is the -default; BYREF is forbidden for functions (guide section 8.3). -Array parameters accept `ARRAY OF type` (one dimension) or -`ARRAY[lower:upper, ...] OF type` (integer literal bounds). -BYVAL arrays are copied. RETURNS, RETURN, BYVAL, and ENDFUNCTION belong here. +Parameters use `name : type`, optionally prefixed by BYVAL. BYVAL is the default; BYREF is forbidden for functions (guide section 8.3). Array parameters accept `ARRAY OF type` (one dimension) or `ARRAY[lower:upper, ...] OF type` (integer literal bounds). BYVAL arrays are copied. RETURNS, RETURN, BYVAL, and ENDFUNCTION belong here. # EXAMPLE @@ -38,4 +31,3 @@ OUTPUT Double(4) # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-procedure(7)](cpsc-keyword-procedure.7.md), [cpsc-keyword-call(7)](cpsc-keyword-call.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-if.7.md b/doc/language/keyword/cpsc-keyword-if.7.md index a934922..a7d13ad 100644 --- a/doc/language/keyword/cpsc-keyword-if.7.md +++ b/doc/language/keyword/cpsc-keyword-if.7.md @@ -16,8 +16,7 @@ ENDIF # DESCRIPTION -Execute the THEN branch when the condition is true, otherwise the optional -ELSE branch. Blocks may be nested. THEN, ELSE, and ENDIF belong to this syntax. +Execute the THEN branch when the condition is true, otherwise the optional ELSE branch. Blocks may be nested. THEN, ELSE, and ENDIF belong to this syntax. # EXAMPLE @@ -32,4 +31,3 @@ ENDIF # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-and(7)](cpsc-keyword-and.7.md), [cpsc-keyword-or(7)](cpsc-keyword-or.7.md), [cpsc-keyword-not(7)](cpsc-keyword-not.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-input.7.md b/doc/language/keyword/cpsc-keyword-input.7.md index c14fac1..7bc1c73 100644 --- a/doc/language/keyword/cpsc-keyword-input.7.md +++ b/doc/language/keyword/cpsc-keyword-input.7.md @@ -12,10 +12,7 @@ INPUT variable # DESCRIPTION -Read into a previously declared INTEGER, REAL, BOOLEAN, CHAR, or STRING -variable. STRING input reads one whitespace-delimited word. The target must -be a plain variable; array elements and record/class fields are unsupported, -unlike the wider INPUT syntax in guide section 5.1. +Read into a previously declared INTEGER, REAL, BOOLEAN, CHAR, or STRING variable. STRING input reads one whitespace-delimited word. The target must be a plain variable; array elements and record/class fields are unsupported, unlike the wider INPUT syntax in guide section 5.1. # EXAMPLE @@ -28,4 +25,3 @@ OUTPUT Name # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-declare(7)](cpsc-keyword-declare.7.md), [cpsc-keyword-output(7)](cpsc-keyword-output.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-mod.7.md b/doc/language/keyword/cpsc-keyword-mod.7.md index 2eceeb5..ea1b431 100644 --- a/doc/language/keyword/cpsc-keyword-mod.7.md +++ b/doc/language/keyword/cpsc-keyword-mod.7.md @@ -12,10 +12,7 @@ left MOD right # DESCRIPTION -Both operands must be INTEGER. Return the remainder after division truncated -toward zero; a nonzero remainder has the dividend's sign. -A zero divisor terminates execution. MOD has the same precedence as -multiplication. +Both operands must be INTEGER. Return the remainder after division truncated toward zero; a nonzero remainder has the dividend's sign. A zero divisor terminates execution. MOD has the same precedence as multiplication. # EXAMPLE @@ -26,4 +23,3 @@ OUTPUT 7 MOD 2 # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-div(7)](cpsc-keyword-div.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-not.7.md b/doc/language/keyword/cpsc-keyword-not.7.md index 0ada425..36a051d 100644 --- a/doc/language/keyword/cpsc-keyword-not.7.md +++ b/doc/language/keyword/cpsc-keyword-not.7.md @@ -12,8 +12,7 @@ NOT expression # DESCRIPTION -Return BOOLEAN with the opposite truth value. NOT is a unary operator; -parenthesize comparisons, for example `NOT (Count = 0)`. +Return BOOLEAN with the opposite truth value. NOT is a unary operator; parenthesize comparisons, for example `NOT (Count = 0)`. # EXAMPLE @@ -24,4 +23,3 @@ OUTPUT NOT (3 = 2) # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-and(7)](cpsc-keyword-and.7.md), [cpsc-keyword-or(7)](cpsc-keyword-or.7.md), [cpsc-keyword-if(7)](cpsc-keyword-if.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-openfile.7.md b/doc/language/keyword/cpsc-keyword-openfile.7.md index 2aa2b44..c2c3743 100644 --- a/doc/language/keyword/cpsc-keyword-openfile.7.md +++ b/doc/language/keyword/cpsc-keyword-openfile.7.md @@ -14,14 +14,9 @@ OPENFILE filename FOR APPEND # DESCRIPTION -The filename is a STRING expression. READ opens an existing file for reading; -WRITE creates or truncates a file; APPEND writes at the end, creating the file -if needed. READ, WRITE, APPEND, and this use of FOR belong here. +The filename is a STRING expression. READ opens an existing file for reading; WRITE creates or truncates a file; APPEND writes at the end, creating the file if needed. READ, WRITE, APPEND, and this use of FOR belong here. -At most 16 files may be open at once. Use the same filename string for -subsequent operations. Reopening an open filename, failed opens, and wrong-mode -operations terminate execution with a fatal diagnostic. RANDOM is reserved -but unsupported. +At most 16 files may be open at once. Use the same filename string for subsequent operations. Reopening an open filename, failed opens, and wrong-mode operations terminate execution with a fatal diagnostic. RANDOM is reserved but unsupported. # EXAMPLE @@ -34,4 +29,3 @@ CLOSEFILE "notes.txt" # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-readfile(7)](cpsc-keyword-readfile.7.md), [cpsc-keyword-writefile(7)](cpsc-keyword-writefile.7.md), [cpsc-keyword-closefile(7)](cpsc-keyword-closefile.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-or.7.md b/doc/language/keyword/cpsc-keyword-or.7.md index 4594215..df861de 100644 --- a/doc/language/keyword/cpsc-keyword-or.7.md +++ b/doc/language/keyword/cpsc-keyword-or.7.md @@ -12,9 +12,7 @@ left OR right # DESCRIPTION -Return BOOLEAN: true when either operand is true. Both operands are -evaluated; OR does not short-circuit. OR binds less tightly than AND -and comparisons. +Return BOOLEAN: true when either operand is true. Both operands are evaluated; OR does not short-circuit. OR binds less tightly than AND and comparisons. # EXAMPLE @@ -25,4 +23,3 @@ OUTPUT (3 < 2) OR (4 > 1) # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-and(7)](cpsc-keyword-and.7.md), [cpsc-keyword-not(7)](cpsc-keyword-not.7.md), [cpsc-keyword-if(7)](cpsc-keyword-if.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-output.7.md b/doc/language/keyword/cpsc-keyword-output.7.md index a1c2d2a..90d4e82 100644 --- a/doc/language/keyword/cpsc-keyword-output.7.md +++ b/doc/language/keyword/cpsc-keyword-output.7.md @@ -12,11 +12,7 @@ OUTPUT expression, ... # DESCRIPTION -Print expressions from left to right without automatic separators, then add -a newline. Strings print their contents; BOOLEAN prints TRUE or FALSE. -Whole arrays and partially indexed arrays print their elements one per line; -a final array adds no extra newline. Records, classes, and pointers cannot -be printed directly. +Print expressions from left to right without automatic separators, then add a newline. Strings print their contents; BOOLEAN prints TRUE or FALSE. Whole arrays and partially indexed arrays print their elements one per line; a final array adds no extra newline. Records, classes, and pointers cannot be printed directly. # EXAMPLE @@ -29,4 +25,3 @@ OUTPUT "Score: ", Score # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-input(7)](cpsc-keyword-input.7.md), [cpsc-keyword-declare(7)](cpsc-keyword-declare.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-procedure.7.md b/doc/language/keyword/cpsc-keyword-procedure.7.md index d8be9f4..2880f11 100644 --- a/doc/language/keyword/cpsc-keyword-procedure.7.md +++ b/doc/language/keyword/cpsc-keyword-procedure.7.md @@ -14,17 +14,9 @@ ENDPROCEDURE # DESCRIPTION -Invoke with CALL. Parameters use `name : type`, optionally prefixed by -BYVAL or BYREF. The default is BYVAL (copy); BYREF modifies the caller's -variable and requires an exact type match. Scalar BYREF arguments must be -plain variables. A mode remains in effect for following parameters until -another mode is specified. +Invoke with CALL. Parameters use `name : type`, optionally prefixed by BYVAL or BYREF. The default is BYVAL (copy); BYREF modifies the caller's variable and requires an exact type match. Scalar BYREF arguments must be plain variables. A mode remains in effect for following parameters until another mode is specified. -Arrays accept `ARRAY OF type` or `ARRAY[lower:upper, ...] OF type`; -explicit bounds must be integer literals. BYVAL copies the array; BYREF -shares it. Bare RETURN can exit a procedure before a block terminator; -RETURN with a value is invalid. BYVAL, BYREF, RETURN, and ENDPROCEDURE -belong here. Calls may precede top-level definitions. +Arrays accept `ARRAY OF type` or `ARRAY[lower:upper, ...] OF type`; explicit bounds must be integer literals. BYVAL copies the array; BYREF shares it. Bare RETURN can exit a procedure before a block terminator; RETURN with a value is invalid. BYVAL, BYREF, RETURN, and ENDPROCEDURE belong here. Calls may precede top-level definitions. # EXAMPLE @@ -40,4 +32,3 @@ OUTPUT Count # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-call(7)](cpsc-keyword-call.7.md), [cpsc-keyword-function(7)](cpsc-keyword-function.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-readfile.7.md b/doc/language/keyword/cpsc-keyword-readfile.7.md index 8260dd2..de0e849 100644 --- a/doc/language/keyword/cpsc-keyword-readfile.7.md +++ b/doc/language/keyword/cpsc-keyword-readfile.7.md @@ -12,9 +12,7 @@ READFILE filename, variable # DESCRIPTION -Read one line from a file opened FOR READ, removing the line ending. -The target must be a plain, previously declared STRING variable. -Guard reads with EOF; reading past the end terminates execution. +Read one line from a file opened FOR READ, removing the line ending. The target must be a plain, previously declared STRING variable. Guard reads with EOF; reading past the end terminates execution. # EXAMPLE @@ -31,4 +29,3 @@ CLOSEFILE "notes.txt" # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-openfile(7)](cpsc-keyword-openfile.7.md), [cpsc-keyword-closefile(7)](cpsc-keyword-closefile.7.md), [cpsc-function-eof(7)](../function/cpsc-function-eof.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-repeat.7.md b/doc/language/keyword/cpsc-keyword-repeat.7.md index b1a73c2..222fd17 100644 --- a/doc/language/keyword/cpsc-keyword-repeat.7.md +++ b/doc/language/keyword/cpsc-keyword-repeat.7.md @@ -14,8 +14,7 @@ UNTIL condition # DESCRIPTION -Test after each iteration, so the body runs at least once. -Stop when the condition becomes true. UNTIL belongs to this syntax. +Test after each iteration, so the body runs at least once. Stop when the condition becomes true. UNTIL belongs to this syntax. # EXAMPLE @@ -31,4 +30,3 @@ UNTIL Count = 3 # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-while(7)](cpsc-keyword-while.7.md), [cpsc-keyword-for(7)](cpsc-keyword-for.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-type.7.md b/doc/language/keyword/cpsc-keyword-type.7.md index 9dd4c73..5159dd5 100644 --- a/doc/language/keyword/cpsc-keyword-type.7.md +++ b/doc/language/keyword/cpsc-keyword-type.7.md @@ -16,21 +16,11 @@ ENDTYPE # DESCRIPTION -Define types at top level. Enumeration values have globally reserved names; -OUTPUT prints their zero-based ordinals. Enumerations support comparisons -with the same type and addition/subtraction of INTEGER offsets; invalid -ordinals terminate execution. +Define types at top level. Enumeration values have globally reserved names; OUTPUT prints their zero-based ordinals. Enumerations support comparisons with the same type and addition/subtraction of INTEGER offsets; invalid ordinals terminate execution. -A prefix caret takes an address (`^variable`); a suffix caret dereferences -a pointer (`pointer^`). Pointee types must match exactly, even where guide -section 4.2's example mixes types. Pointers start null; dereferencing null -terminates execution. There is no NULL literal. Avoid pointers to local -variables after the function returns. +A prefix caret takes an address (`^variable`); a suffix caret dereferences a pointer (`pointer^`). Pointee types must match exactly, even where guide section 4.2's example mixes types. Pointers start null; dereferencing null terminates execution. There is no NULL literal. Avoid pointers to local variables after the function returns. -Records contain one or more DECLARE fields and end with ENDTYPE. Access -fields with a dot. Whole records copy by value; array fields are unsupported. -Distinct user-defined type names remain distinct types. SET/DEFINE are -reserved but unsupported. +Records contain one or more DECLARE fields and end with ENDTYPE. Access fields with a dot. Whole records copy by value; array fields are unsupported. Distinct user-defined type names remain distinct types. SET/DEFINE are reserved but unsupported. # EXAMPLE @@ -50,4 +40,3 @@ OUTPUT Position.X # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-declare(7)](cpsc-keyword-declare.7.md), [cpsc-keyword-class(7)](cpsc-keyword-class.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-while.7.md b/doc/language/keyword/cpsc-keyword-while.7.md index c6d8721..5e6656f 100644 --- a/doc/language/keyword/cpsc-keyword-while.7.md +++ b/doc/language/keyword/cpsc-keyword-while.7.md @@ -14,8 +14,7 @@ ENDWHILE # DESCRIPTION -Test before each iteration; the body may run zero times. -DO and ENDWHILE belong to this syntax. +Test before each iteration; the body may run zero times. DO and ENDWHILE belong to this syntax. # EXAMPLE @@ -31,4 +30,3 @@ ENDWHILE # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-repeat(7)](cpsc-keyword-repeat.7.md), [cpsc-keyword-for(7)](cpsc-keyword-for.7.md). - diff --git a/doc/language/keyword/cpsc-keyword-writefile.7.md b/doc/language/keyword/cpsc-keyword-writefile.7.md index caeafe7..d3ce2c4 100644 --- a/doc/language/keyword/cpsc-keyword-writefile.7.md +++ b/doc/language/keyword/cpsc-keyword-writefile.7.md @@ -12,9 +12,7 @@ WRITEFILE filename, expression # DESCRIPTION -Write one value as text followed by a newline. Open the file FOR WRITE or -APPEND first. Exactly one data expression is accepted; join strings with -`&` when needed. Records, classes, and pointers are unsupported as data. +Write one value as text followed by a newline. Open the file FOR WRITE or APPEND first. Exactly one data expression is accepted; join strings with `&` when needed. Records, classes, and pointers are unsupported as data. # EXAMPLE @@ -27,4 +25,3 @@ CLOSEFILE "notes.txt" # SEE ALSO [cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-keyword-openfile(7)](cpsc-keyword-openfile.7.md), [cpsc-keyword-closefile(7)](cpsc-keyword-closefile.7.md), [cpsc-function-num_to_str(7)](../function/cpsc-function-num_to_str.7.md). - |