Texas Instruments TMS320C2x, User Manual

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Compiler Limits
5-17 TMS320C2x/C2xx/C5x C Language
Table 5 − 2. Absolute Compiler Limits
Description Limits
Filename length 512 characters
Source line length 16K characters (See Note 1)
Length of strings built from # or ## 512 characters (See Note 2)
Macros predefined with − d 64
Macro parameters 32 parms
Macro nesting 32 levels (See Note 3)
#include search paths 64 paths (See Note 4)
#include file nesting 64 levels
Conditional inclusion (#if) nesting 64 levels
Nesting of struct, union, or prototype
declarations 20 levels
Function parameters 48 parms
Array, function, or pointer derivations on
a type 12 derivations
Aggregate initialization nesting 32 levels
Static initializers 1500 per initialization (approximately)
Local initializers 150 levels (approximately)
Nesting of if statements, switch state-
ments, and loops 1500 per initialization (approximately)
Global symbols 2000 PCs
10000 All others
(See Note 5)
Block scope symbols visible at any point 500 PCs . . .
1000 All others . .
Notes: 1) This limit reflects the number of characters after splicing of \ lines. This limit also
applies to any single macro definition or invocation.
2) This limit reflects the number of characters before concatenation. All other charac-
ter strings are unrestricted.
3) This limit includes argument substitutions.
4) This limit includes
− i and C_DIR directories.
5) May be further limited by available system memory.