Echelon NodeBuilder Errors 3120 User Manual download pdf (Page 56)

5-36 Neuron C Compiler Errors (NCC)

NCC# Description

256

Attempt to #undef a name which is not a macro [NCC#256]

The preprocessor #undef command can only be applied to an

identifier which has previously been defined as a macro using the

#define command.

257 Cannot redefine typedef name at file scope [NCC#257]

The rules of ANSI C permit redefinition of a typedef inside a nested

scope (e.g. in a function), but not at file scope. For example:

typedef unsigned int ui;

// The following redefinition is not permitted

unsigned short ui;

void f (void) {

// The following defines ui as a variable,

// which hides the typedef inside the function

unsigned short ui;

}

// The typedef ui is now no longer hidden

ui x;

258

Conditional compilation directives nested too deeply

[NCC#258]

The maximum nesting level of the #ifdef/#ifndef/#if directives is 16.

Change your conditional compilation strategy if you are attempting

to use more than 16 levels of nested directives.

259 Misplaced #elif/#else directive [NCC#259]

The directive in question does not follow the appropriate #ifdef, or

#ifndef directive.

260 Too many arguments in macro being defined [NCC#260]

The maximum number of macro arguments that Neuron C supports

is 16.

261 Macro argument name cannot be repeated [NCC#261]

Function-style macros (those which have a parameter list) must use

a unique name for each parameter.

262 Incorrect number of arguments for macro [NCC#262]

The invocation of the macro in question does not supply the correct

number of arguments. The number of arguments must be the same

as the number of formal parameters in the definition of the macro.

263

Array is too large for fastaccess feature [NCC#263]

An array declared with the optional fastaccess feature cannot

exceed a total size of 254 bytes.

264 The fastaccess feature only applies to arrays [NCC#264]

The optional fastaccess feature should only be used in declarations

of array variable types. The feature does not apply to the indexing

operator applied to pointers.

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