Files
rgbds/test/asm/multi-line-strings.asm
Rangi d049ffc0f0 Handle string literals within macro arguments (#685)
Fixes #683 and #691

The lexer's raw mode for reading macro args already attempted
to handle semicolons inside string literals, versus outside ones
which start comments. This change reuses the same function for
reading string literals in normal and raw modes, also handling:

- Commas in strings versus between macro args
- Character escapes
- {Interpolations} and \1-\9 args inside vs. outside strings
- Multi-line string literals

Macro args now allow escaping '\', '"', and '\\'.

A consistent model for expanding macro args and interpolations,
within macro args, string literals, and normal context:

- "{S}" should always equal the contents of S
- "\1" should always act like quoting the value of \1
2021-02-16 22:44:25 -05:00

36 lines
556 B
NASM

S EQUS "Hello"
PRINT "\"\"\"\n"
PRINT """{S}
world
"""
PRINT """The multi-line string \ ; line continuations work
can contain:
- "single quotes"
- ""double quotes""
- even escaped \"""triple"\"" ""\"quotes\"\"\"
!"""
PRINT """\n"""
printarg: MACRO
PRINTLN "arg <\1>"
PRINTLN """arg (\1)"""
ENDM
printarg "
printarg """multi-line
string argument"""
EMPTY1 EQUS ""
EMPTY2 EQUS "\ ; comment
"
EMPTY3 EQUS """"""
EMPTY4 EQUS """\ ; comment
"""
PRINTLN STRCAT("(", "{EMPTY1}", "{EMPTY2}", "{EMPTY3}", "{EMPTY4}", ")")
warn "check the line number"