Added multiline strings.

mparser.py

@@ -39,6 +39,7 @@ tokens = ['LPAREN',
           'COMMA',
           'DOT',
           'STRING',
+          'MULTILINE_STRING',
           'INT',
           'EOL_CONTINUE',
           'EOL',
@@ -66,6 +67,13 @@ def t_ATOM(t):
     t.type = reserved.get(t.value, 'ATOM')
     return t
 
+
+def t_MULTILINE_STRING(t):
+    r"'''(.|\n)*?'''"
+    t.value = t.value[3:-3]
+    t.lexer.lineno += t.value.count('\n')
+    return t
+
 def t_STRING(t):
     "'[^']*'"
     t.value = t.value[1:-1]
@@ -127,6 +135,10 @@ def p_expression_string(t):
     'expression : STRING'
     t[0] = nodes.StringExpression(t[1], t.lineno(1))
 
+def p_expression_multiline_string(t):
+    'expression : MULTILINE_STRING'
+    t[0] = nodes.StringExpression(t[1], t.lineno(1))
+
 def p_statement_assign(t):
     'statement : expression ASSIGN statement'
     t[0] = nodes.Assignment(t[1], t[3], t[1].lineno())

test cases/common/32 multiline string/meson.build

@@ -0,0 +1,9 @@
+project('multiline string', 'c')
+
+x = '''hello again'''
+y = '''hello
+again'''
+
+if x == y
+  error('Things are wrong.')
+endif