Group:
procedure and type-valued variables
Topic:
function application
Topic:
function call
Topic:
is a name a literal string or a symbol
Topic:
string transformation languages
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Summary
Normally, processing consists of syntactic analysis followed by execution, but execution may be interrupted by syntactic analysis and evaluation of literal strings. Evaluate operators are a form of indirection, delaying procedure execution. The evaluated string or object is interpreted code. With procedure valued variables, the evaluate operator is equivalent to procedure invocation. Function calls act as an evaluate operator on their arguments. In Trac, all evaluation is explicitly controlled by either single step evaluation or active string results. (cbb 5/80)
Subtopic: evaluate variables 
| QuoteRef: farbDJ1_1964 ;;27 indirect variable is as if wrote the contents of a variable
| | QuoteRef: sammJE_1969 ;;441 indirection eg $route is same as value of route
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Subtopic: evaluate expressions
| QuoteRef: sammJE_1969 ;;498 uses 'name' or 'function' to indicate evaluation
| | QuoteRef: morrJH8_1972 ;;757 evaluation of literals by T <>, function definition
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Subtopic: active vs. inactive results
| QuoteRef: hallJC5_1974 ;;47 can use value of expression as directive (indirection) by *
| | Quote: TRAC converts active strings to inactive ones; ##(...) has an inactive result and #(...) an active result [»mooeCN8_1965, OK]
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Subtopic: quoted data
| Quote: data objects in Boxer are unevaluated; like quote in Lisp but not stripped on evaluation [»diseAA_1986]
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Related Topics
Group: procedure and type-valued variables (4 topics, 95 quotes)
Topic: function application (18 items)
Topic: function call (28 items)
Topic: is a name a literal string or a symbol (23 items)
Topic: string transformation languages
(17 items)
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