debug

Set or clear debug flags.

Syntax

prevFlags = debug ( [ flags ] ) ;

Arguments

int flags (optional)

• 000x : turns off all debug flags
• 001x : display trace execution of tokens
• 002x : display varied diagnostics
• 004x : display tokens as they are parsed
• 008x : display the infix expression stack
• 00Fx : display postfix execution stack
• 010x : display the frame levels
• 020x : display the data stack
• 040x : display SECS data streams
• 080x : display parse state transitions
• 0F0x : display heap usage
• 100x : display SQL streams

Return Value

int prevFlags

• 0 - 1023

  The previous debug flags.

  The STATUS variable is set to $ACKNOWLEDGE

Warnings

%INVALID : The debug flags were invalid.

Exceptions

%ARGUMENT : Invalid arguments. Usage: prevFlags = debug ( [ flags ] ) ;

Description

The debug flags were created primarily to facilitate the creation on the HyperScript programming language by displaying the inner workings of the language as it parses and executes.

Examples

To execute the example below, press or modify the example to try different variations.
// Set all the debug levels and watch what happens with a simple statement. status = 1 ; debug 1023 ; a = 100 ; debug 0 ;

Related Links

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