List in the spec common error cases that implementers should handle and test for:
STACK STATE ERRORS
100: Stack underflow on (which) stack.
110: Stack underflow popping (number) items from (which) stack.
150: Stack overflow pushing to (which) stack.
TOKEN PARSE ERRORS
200: No such verb exists.
210: No such predicate exists.
220: Token is not a valid number.
225: Token is not a valid floating point number.
250: Token must start with "\", "#", "'", or a stack identifier.
251: Missing "#" or "'" after stack identifier "(which)".
260: Token must not reference (which) stack in the root execution context.
TYPE ERRORS
300: Token is a number and cannot be executed.
PARAMETER TYPE ERRORS
400: Length (first parameter) must be an integer.
450: Name (first parameter) must be a string.
FATAL EXECUTION WARNINGS (optional)
500: \while has executed too many times (executed (number) times).
510: Too many execution contexts created ((number) contexts created).
520: Execution stack length exceeded sensible limit ((number) tokens).
550: Token too large ((number) characters long).
FATAL TIMEOUTS (optional)
600: Execution timeout (execution took more than (number) seconds).
INTERNAL INTERPRETER ERRORS (800-899)
OTHER
900: This feature is not yet supported.
910: Input file "(path)" not found.
911: Input file "(path)" could not be opened.
920: Module not found.
921: Module could not be loaded.
999: Execution was stopped using \die.
List in the spec common error cases that implementers should handle and test for:
STACK STATE ERRORS
100: Stack underflow on (which) stack. 110: Stack underflow popping (number) items from (which) stack. 150: Stack overflow pushing to (which) stack.
TOKEN PARSE ERRORS
200: No such verb exists. 210: No such predicate exists. 220: Token is not a valid number. 225: Token is not a valid floating point number. 250: Token must start with "\", "#", "'", or a stack identifier. 251: Missing "#" or "'" after stack identifier "(which)". 260: Token must not reference (which) stack in the root execution context.
TYPE ERRORS
300: Token is a number and cannot be executed.
PARAMETER TYPE ERRORS
400: Length (first parameter) must be an integer. 450: Name (first parameter) must be a string.
FATAL EXECUTION WARNINGS (optional)
500: \while has executed too many times (executed (number) times). 510: Too many execution contexts created ((number) contexts created). 520: Execution stack length exceeded sensible limit ((number) tokens). 550: Token too large ((number) characters long).
FATAL TIMEOUTS (optional)
600: Execution timeout (execution took more than (number) seconds).
INTERNAL INTERPRETER ERRORS (800-899)
OTHER
900: This feature is not yet supported. 910: Input file "(path)" not found. 911: Input file "(path)" could not be opened. 920: Module not found. 921: Module could not be loaded. 999: Execution was stopped using \die.