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Diffstat (limited to 'doc/language/cpsc-language-overview.7.md')
| -rw-r--r-- | doc/language/cpsc-language-overview.7.md | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/language/cpsc-language-overview.7.md b/doc/language/cpsc-language-overview.7.md index 2e2a393..a66ce69 100644 --- a/doc/language/cpsc-language-overview.7.md +++ b/doc/language/cpsc-language-overview.7.md @@ -8,7 +8,9 @@ cpsc-language-overview - supported cpsc pseudocode syntax Keywords are uppercase and case-sensitive. Identifiers, including built-in function names, are case insensitive. 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 `>=`. Built-in STRING comparisons compare contents, case-sensitively. Use `+`, `-`, `*`, and `/` for arithmetic; built-in `/` always returns REAL. Use `&` to join strings. + +User-defined types can overload operators with OVERLOAD FUNCTION OPERATOR; expressions then use the declared result type. See [cpsc-keyword-operator(7)](keyword/cpsc-keyword-operator.7.md). STRING cannot be implicitly converted to BOOLEAN. Precedence, from highest to lowest: unary operators, `* / DIV MOD`, `+ - &`, comparisons, AND, OR. Parentheses override precedence. @@ -38,6 +40,7 @@ Multi-file builds use the compiler extensions INCLUDE and GLOBAL. Pass every sou - [cpsc-keyword-for(7)](keyword/cpsc-keyword-for.7.md): iterate over an integer range. - [cpsc-keyword-function(7)](keyword/cpsc-keyword-function.7.md): define a function that returns a value. - [cpsc-keyword-procedure(7)](keyword/cpsc-keyword-procedure.7.md): define a procedure and parameter modes. +- [cpsc-keyword-operator(7)](keyword/cpsc-keyword-operator.7.md): overload unary and binary operators. - [cpsc-keyword-overload(7)](keyword/cpsc-keyword-overload.7.md): explicitly overload functions, procedures and constructors. - [cpsc-keyword-call(7)](keyword/cpsc-keyword-call.7.md): invoke a procedure. - [cpsc-keyword-openfile(7)](keyword/cpsc-keyword-openfile.7.md): open a text file. |