Disable EQUS expansion for raw symbols (by parsing them as strings) (#1648)

test/asm/raw-string-symbol-errors.asm

@@ -0,0 +1,29 @@
+def n equ 42
+def s equs "hello"
+macro m
+endm
+
+assert (#n) == 42
+assert (#s) == $656c6c6f
+assert (#m) == 0
+assert (#u) == 0
+
+assert strlen(#n) == 0
+assert strlen(#s) == 5
+assert strlen(#m) == 0
+assert strlen(#u) == 0
+
+def d_n = (#n)
+def d_s = (#s)
+def d_m = (#m)
+def d_u = (#u)
+
+def s_n equs #n
+def s_s equs #s
+def s_m equs #m
+def s_u equs #u
+
+purge #s
+purge #s
+assert (#s) == 0
+assert strlen(#s) == 0

test/asm/raw-string-symbol-errors.err

@@ -0,0 +1,27 @@
+warning: raw-string-symbol-errors.asm(7): [-Wobsolete]
+    Treating multi-unit strings as numbers is deprecated
+error: raw-string-symbol-errors.asm(8):
+    'm' is not a numeric symbol
+error: raw-string-symbol-errors.asm(11):
+    'n' is not a string symbol
+error: raw-string-symbol-errors.asm(13):
+    'm' is not a string symbol
+error: raw-string-symbol-errors.asm(14):
+    'u' is not a string symbol
+warning: raw-string-symbol-errors.asm(17): [-Wobsolete]
+    Treating multi-unit strings as numbers is deprecated
+error: raw-string-symbol-errors.asm(18):
+    'm' is not a numeric symbol
+error: raw-string-symbol-errors.asm(19):
+    Expected constant expression: 'u' is not constant at assembly time
+error: raw-string-symbol-errors.asm(21):
+    'n' is not a string symbol
+error: raw-string-symbol-errors.asm(23):
+    'm' is not a string symbol
+error: raw-string-symbol-errors.asm(24):
+    'u' is not a string symbol
+error: raw-string-symbol-errors.asm(27):
+    's' was already purged
+error: raw-string-symbol-errors.asm(29):
+    's' is not a string symbol
+error: Assembly aborted (11 errors)!

test/asm/raw-string-symbols.asm

@@ -0,0 +1,34 @@
+opt Wno-unmapped-char
+
+def hello equs "world"
+def name equs "hello"
+println "{name}"
+println #name
+assert !strcmp(strsub(#name, 1, 4), "hell")
+assert strlen(#hello) == charlen(#hello)
+assert strlen("{hello}") == 5
+
+def multi equs """the	quick
+brown	fox"""
+println #multi
+
+def char equs "A"
+def n = #char
+println n
+def n = (#char)
+println n
+def n = 1 + #char
+println n
+assert #char == $41
+
+def fmt equs "%s %s %d"
+println strfmt(#fmt, #name, #hello, (#char))
+
+purge #name
+assert !def(name) && !def(#name) && def(hello)
+
+section "test", rom0
+#label:
+db #hello
+dw #hello
+dw BANK(#label), #label

test/asm/raw-string-symbols.out

@@ -0,0 +1,8 @@
+hello
+hello
+the	quick
+brown	fox
+$41
+$41
+$42
+hello world 65