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authorGabe Black <gblack@eecs.umich.edu>2007-05-31 20:45:05 +0000
committerGabe Black <gblack@eecs.umich.edu>2007-05-31 20:45:05 +0000
commitace2890f9fd10fb8b19004b80befc1c9d0948246 (patch)
treebbd2b34bd7404d77eae87b68082c6b38db9cd7f3
parentc432588981c2903fda4b00bf03ada3c2c04063f7 (diff)
downloadgem5-ace2890f9fd10fb8b19004b80befc1c9d0948246.tar.xz
Handle comments
--HG-- extra : convert_revision : 3f93baaf250922eb40d8718e978273b0def1e4dd
-rw-r--r--src/arch/micro_asm.py32
-rwxr-xr-xsrc/arch/micro_asm_test.py11
2 files changed, 33 insertions, 10 deletions
diff --git a/src/arch/micro_asm.py b/src/arch/micro_asm.py
index 3d9e83648..1fb04c185 100644
--- a/src/arch/micro_asm.py
+++ b/src/arch/micro_asm.py
@@ -174,7 +174,6 @@ tokens = reserved + (
'LPAREN', 'RPAREN',
'LBRACE', 'RBRACE',
- #'COMMA',
'COLON', 'SEMI', 'DOT',
'NEWLINE'
)
@@ -190,62 +189,79 @@ reserved_map = { }
for r in reserved:
reserved_map[r.lower()] = r
+def t_ANY_COMMENT(t):
+ r'\#[^\n]*(?=\n)'
+ #print "t_ANY_COMMENT %s" % t.value
+
+def t_ANY_MULTILINECOMMENT(t):
+ r'/\*([^/]|((?<!\*)/))*\*/'
+ #print "t_ANY_MULTILINECOMMENT %s" % t.value
+
def t_params_COLON(t):
r':'
t.lexer.begin('asm')
+ #print "t_params_COLON %s" % t.value
return t
def t_asm_ID(t):
r'[A-Za-z_]\w*'
t.type = reserved_map.get(t.value, 'ID')
t.lexer.begin('params')
+ #print "t_asm_ID %s" % t.value
return t
def t_ANY_ID(t):
r'[A-Za-z_]\w*'
t.type = reserved_map.get(t.value, 'ID')
+ #print "t_ANY_ID %s" % t.value
return t
def t_params_PARAMS(t):
r'([^\n;]|((?<=\\)[\n;]))+'
t.lineno += t.value.count('\n')
t.lexer.begin('asm')
+ #print "t_params_PARAMS %s" % t.value
return t
def t_INITIAL_LBRACE(t):
r'\{'
t.lexer.begin('asm')
+ #print "t_INITIAL_LBRACE %s" % t.value
return t
def t_asm_RBRACE(t):
r'\}'
t.lexer.begin('INITIAL')
+ #print "t_asm_RBRACE %s" % t.value
return t
def t_INITIAL_NEWLINE(t):
r'\n+'
t.lineno += t.value.count('\n')
+ #print "t_INITIAL_NEWLINE %s" % t.value
def t_asm_NEWLINE(t):
r'\n+'
t.lineno += t.value.count('\n')
+ #print "t_asm_NEWLINE %s" % t.value
return t
def t_params_NEWLINE(t):
r'\n+'
t.lineno += t.value.count('\n')
t.lexer.begin('asm')
+ #print "t_params_NEWLINE %s" % t.value
return t
def t_params_SEMI(t):
r';'
t.lexer.begin('asm')
+ #print "t_params_SEMI %s" % t.value
return t
# Basic regular expressions to pick out simple tokens
t_ANY_LPAREN = r'\('
t_ANY_RPAREN = r'\)'
-#t_COMMA = r','
t_ANY_SEMI = r';'
t_ANY_DOT = r'\.'
@@ -300,7 +316,7 @@ def p_rom_block(t):
# Defines a macroop that jumps to an external label in the ROM
def p_macroop_def_0(t):
- 'macroop_def : DEF MACROOP LPAREN ID RPAREN SEMI'
+ 'macroop_def : DEF MACROOP ID LPAREN ID RPAREN SEMI'
t[0] = t[4]
# Defines a macroop that is combinationally generated
@@ -313,7 +329,7 @@ def p_macroop_def_1(t):
raise
for statement in t[4].statements:
handle_statement(t.parser, curop, statement)
- t.parser.macroops.append(curop)
+ t.parser.macroops[t[3]] = curop
def p_statements_0(t):
'statements : statement'
@@ -419,15 +435,17 @@ class MicroAssembler(object):
self.lexer = lex.lex()
self.parser = yacc.yacc()
self.parser.macro_type = macro_type
- self.parser.macroops = []
+ self.parser.macroops = {}
self.parser.microops = microops
self.parser.rom = rom
def assemble(self, asm):
self.parser.parse(asm, lexer=self.lexer)
- for macroop in self.parser.macroops:
+ # Begin debug printing
+ for macroop in self.parser.macroops.values():
print macroop
print self.parser.rom
+ # End debug printing
macroops = self.parser.macroops
- self.parser.macroops = []
+ self.parser.macroops = {}
return macroops
diff --git a/src/arch/micro_asm_test.py b/src/arch/micro_asm_test.py
index 4a643565c..816a74b71 100755
--- a/src/arch/micro_asm_test.py
+++ b/src/arch/micro_asm_test.py
@@ -68,17 +68,22 @@ class TestMacroop(Macroop):
assembler = MicroAssembler(TestMacroop, microops, Rom('main ROM'))
testAssembly = '''
+# Single line comment
+
def rom {
goo: bah
extern la: hoop 4*8, "a"
-};
+}; /* multiline comment on one line */
+
+/* multi line comment across lines
+ to make sure they work */
def macroop squishy {
.tweak
bah
.untweak
bah
- dah
+ dah # single line comment after something
.tweak
};
@@ -86,6 +91,6 @@ def macroop squashy {
bah
};
-def macroop (bar);
+def macroop jumper (bar);
'''
assembler.assemble(testAssembly)